1 /*
   2  * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "awt.h"
  27 
  28 #include <windowsx.h>
  29 #include <zmouse.h>
  30 
  31 #include "jlong.h"
  32 #include "awt_AWTEvent.h"
  33 #include "awt_BitmapUtil.h"
  34 #include "awt_Component.h"
  35 #include "awt_Cursor.h"
  36 #include "awt_Dimension.h"
  37 #include "awt_Frame.h"
  38 #include "awt_InputEvent.h"
  39 #include "awt_InputTextInfor.h"
  40 #include "awt_Insets.h"
  41 #include "awt_KeyEvent.h"
  42 #include "awt_MenuItem.h"
  43 #include "awt_MouseEvent.h"
  44 #include "awt_Palette.h"
  45 #include "awt_Toolkit.h"
  46 #include "awt_Window.h"
  47 #include "awt_Win32GraphicsDevice.h"
  48 #include "Hashtable.h"
  49 #include "ComCtl32Util.h"
  50 
  51 #include <Region.h>
  52 
  53 #include <jawt.h>
  54 
  55 #include <java_awt_Toolkit.h>
  56 #include <java_awt_FontMetrics.h>
  57 #include <java_awt_Color.h>
  58 #include <java_awt_Event.h>
  59 #include <java_awt_event_KeyEvent.h>
  60 #include <java_awt_Insets.h>
  61 #include <sun_awt_windows_WPanelPeer.h>
  62 #include <java_awt_event_InputEvent.h>
  63 #include <java_awt_event_ActionEvent.h>
  64 #include <java_awt_event_InputMethodEvent.h>
  65 #include <sun_awt_windows_WInputMethod.h>
  66 #include <java_awt_event_MouseEvent.h>
  67 #include <java_awt_event_MouseWheelEvent.h>
  68 
  69 // Begin -- Win32 SDK include files
  70 #include <imm.h>
  71 #include <ime.h>
  72 // End -- Win32 SDK include files
  73 
  74 #include <awt_DnDDT.h>
  75 
  76 LPCTSTR szAwtComponentClassName = TEXT("SunAwtComponent");
  77 // register a message that no other window in the process (even in a plugin
  78 // scenario) will be using
  79 const UINT AwtComponent::WmAwtIsComponent =
  80     ::RegisterWindowMessage(szAwtComponentClassName);
  81 
  82 static HWND g_hwndDown = NULL;
  83 static DCList activeDCList;
  84 static DCList passiveDCList;
  85 
  86 extern void CheckFontSmoothingSettings(HWND);
  87 
  88 extern "C" {
  89     // Remember the input language has changed by some user's action
  90     // (Alt+Shift or through the language icon on the Taskbar) to control the
  91     // race condition between the toolkit thread and the AWT event thread.
  92     // This flag remains TRUE until the next WInputMethod.getNativeLocale() is
  93     // issued.
  94     BOOL g_bUserHasChangedInputLang = FALSE;
  95 }
  96 
  97 BOOL AwtComponent::sm_suppressFocusAndActivation = FALSE;
  98 BOOL AwtComponent::sm_restoreFocusAndActivation = FALSE;
  99 HWND AwtComponent::sm_focusOwner = NULL;
 100 HWND AwtComponent::sm_focusedWindow = NULL;
 101 BOOL AwtComponent::sm_bMenuLoop = FALSE;
 102 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE;
 103 
 104 /************************************************************************/
 105 // Struct for _Reshape() and ReshapeNoCheck() methods
 106 struct ReshapeStruct {
 107     jobject component;
 108     jint x, y;
 109     jint w, h;
 110 };
 111 // Struct for _NativeHandleEvent() method
 112 struct NativeHandleEventStruct {
 113     jobject component;
 114     jobject event;
 115 };
 116 // Struct for _SetForeground() and _SetBackground() methods
 117 struct SetColorStruct {
 118     jobject component;
 119     jint rgb;
 120 };
 121 // Struct for _SetFont() method
 122 struct SetFontStruct {
 123     jobject component;
 124     jobject font;
 125 };
 126 // Struct for _CreatePrintedPixels() method
 127 struct CreatePrintedPixelsStruct {
 128     jobject component;
 129     int srcx, srcy;
 130     int srcw, srch;
 131     jint alpha;
 132 };
 133 // Struct for _SetRectangularShape() method
 134 struct SetRectangularShapeStruct {
 135     jobject component;
 136     jint x1, x2, y1, y2;
 137     jobject region;
 138 };
 139 // Struct for _GetInsets function
 140 struct GetInsetsStruct {
 141     jobject window;
 142     RECT *insets;
 143 };
 144 // Struct for _SetZOrder function
 145 struct SetZOrderStruct {
 146     jobject component;
 147     jlong above;
 148 };
 149 // Struct for _SetFocus function
 150 struct SetFocusStruct {
 151     jobject component;
 152     jboolean doSetFocus;
 153 };
 154 // Struct for _SetParent function
 155 struct SetParentStruct {
 156     jobject component;
 157     jobject parentComp;
 158 };
 159 /************************************************************************/
 160 
 161 //////////////////////////////////////////////////////////////////////////
 162 
 163 /*************************************************************************
 164  * AwtComponent fields
 165  */
 166 
 167 
 168 jfieldID AwtComponent::peerID;
 169 jfieldID AwtComponent::xID;
 170 jfieldID AwtComponent::yID;
 171 jfieldID AwtComponent::widthID;
 172 jfieldID AwtComponent::heightID;
 173 jfieldID AwtComponent::visibleID;
 174 jfieldID AwtComponent::backgroundID;
 175 jfieldID AwtComponent::foregroundID;
 176 jfieldID AwtComponent::enabledID;
 177 jfieldID AwtComponent::parentID;
 178 jfieldID AwtComponent::graphicsConfigID;
 179 jfieldID AwtComponent::peerGCID;
 180 jfieldID AwtComponent::focusableID;
 181 jfieldID AwtComponent::appContextID;
 182 jfieldID AwtComponent::cursorID;
 183 jfieldID AwtComponent::hwndID;
 184 
 185 jmethodID AwtComponent::getFontMID;
 186 jmethodID AwtComponent::getToolkitMID;
 187 jmethodID AwtComponent::isEnabledMID;
 188 jmethodID AwtComponent::getLocationOnScreenMID;
 189 jmethodID AwtComponent::replaceSurfaceDataMID;
 190 jmethodID AwtComponent::replaceSurfaceDataLaterMID;
 191 jmethodID AwtComponent::disposeLaterMID;
 192 
 193 HKL    AwtComponent::m_hkl = ::GetKeyboardLayout(0);
 194 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0));
 195 UINT   AwtComponent::m_CodePage
 196                        = AwtComponent::LangToCodePage(m_idLang);
 197 
 198 jint *AwtComponent::masks;
 199 
 200 static BOOL bLeftShiftIsDown = false;
 201 static BOOL bRightShiftIsDown = false;
 202 static UINT lastShiftKeyPressed = 0; // init to safe value
 203 
 204 // Added by waleed to initialize the RTL Flags
 205 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC ||
 206                             PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW;
 207 BOOL AwtComponent::sm_rtlReadingOrder =
 208     PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC;
 209 
 210 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE;
 211 
 212 HWND AwtComponent::sm_cursorOn;
 213 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE;
 214 
 215 CriticalSection windowMoveLock;
 216 BOOL windowMoveLockHeld = FALSE;
 217 
 218 /************************************************************************
 219  * AwtComponent methods
 220  */
 221 
 222 AwtComponent::AwtComponent()
 223 {
 224     m_mouseButtonClickAllowed = 0;
 225     m_touchDownOccurred = FALSE;
 226     m_touchUpOccurred = FALSE;
 227     m_touchDownPoint.x = m_touchDownPoint.y = 0;
 228     m_touchUpPoint.x = m_touchUpPoint.y = 0;
 229     m_callbacksEnabled = FALSE;
 230     m_hwnd = NULL;
 231 
 232     m_colorForeground = 0;
 233     m_colorBackground = 0;
 234     m_backgroundColorSet = FALSE;
 235     m_penForeground = NULL;
 236     m_brushBackground = NULL;
 237     m_DefWindowProc = NULL;
 238     m_nextControlID = 1;
 239     m_childList = NULL;
 240     m_myControlID = 0;
 241     m_hdwp = NULL;
 242     m_validationNestCount = 0;
 243 
 244     m_dropTarget = NULL;
 245 
 246     m_InputMethod = NULL;
 247     m_useNativeCompWindow = TRUE;
 248     m_PendingLeadByte = 0;
 249     m_bitsCandType = 0;
 250 
 251     windowMoveLockPosX = 0;
 252     windowMoveLockPosY = 0;
 253     windowMoveLockPosCX = 0;
 254     windowMoveLockPosCY = 0;
 255 
 256     m_hCursorCache = NULL;
 257 
 258     m_bSubclassed = FALSE;
 259     m_bPauseDestroy = FALSE;
 260 
 261     m_MessagesProcessing = 0;
 262     m_wheelRotationAmountX = 0;
 263     m_wheelRotationAmountY = 0;
 264     if (!sm_PrimaryDynamicTableBuilt) {
 265         // do it once.
 266         AwtComponent::BuildPrimaryDynamicTable();
 267         sm_PrimaryDynamicTableBuilt = TRUE;
 268     }
 269 
 270     deadKeyActive = FALSE;
 271 }
 272 
 273 AwtComponent::~AwtComponent()
 274 {
 275     DASSERT(AwtToolkit::IsMainThread());
 276 
 277     /*
 278      * All the messages for this component are processed, native
 279      * resources are freed, and Java object is not connected to
 280      * the native one anymore. So we can safely destroy component's
 281      * handle.
 282      */
 283     DestroyHWnd();
 284 }
 285 
 286 void AwtComponent::Dispose()
 287 {
 288     DASSERT(AwtToolkit::IsMainThread());
 289 
 290     // NOTE: in case the component/toplevel was focused, Java should
 291     // have already taken care of proper transferring it or clearing.
 292 
 293     if (m_hdwp != NULL) {
 294     // end any deferred window positioning, regardless
 295     // of m_validationNestCount
 296         ::EndDeferWindowPos(m_hdwp);
 297     }
 298 
 299     // Send final message to release all DCs associated with this component
 300     SendMessage(WM_AWT_RELEASE_ALL_DCS);
 301 
 302     /* Stop message filtering. */
 303     UnsubclassHWND();
 304 
 305     /* Release global ref to input method */
 306     SetInputMethod(NULL, TRUE);
 307 
 308     if (m_childList != NULL) {
 309         delete m_childList;
 310         m_childList = NULL;
 311     }
 312 
 313     DestroyDropTarget();
 314     ReleaseDragCapture(0);
 315 
 316     if (m_myControlID != 0) {
 317         AwtComponent* parent = GetParent();
 318         if (parent != NULL)
 319             parent->RemoveChild(m_myControlID);
 320     }
 321 
 322     ::RemoveProp(GetHWnd(), DrawingStateProp);
 323 
 324     /* Release any allocated resources. */
 325     if (m_penForeground != NULL) {
 326         m_penForeground->Release();
 327         m_penForeground = NULL;
 328     }
 329     if (m_brushBackground != NULL) {
 330         m_brushBackground->Release();
 331         m_brushBackground = NULL;
 332     }
 333 
 334     /* Disconnect all links. */
 335     UnlinkObjects();
 336 
 337     if (m_bPauseDestroy) {
 338         // AwtComponent::WmNcDestroy could be released now
 339         m_bPauseDestroy = FALSE;
 340         m_hwnd = NULL;
 341     }
 342 
 343     // The component instance is deleted using AwtObject::Dispose() method
 344     AwtObject::Dispose();
 345 }
 346 
 347 /* store component pointer in window extra bytes */
 348 void AwtComponent::SetComponentInHWND() {
 349     DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL);
 350     ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this);
 351 }
 352 
 353 /*
 354  * static function to get AwtComponent pointer from hWnd --
 355  * you don't want to call this from inside a wndproc to avoid
 356  * infinite recursion
 357  */
 358 AwtComponent* AwtComponent::GetComponent(HWND hWnd) {
 359     // Requests for Toolkit hwnd resolution happen pretty often. Check first.
 360     if (hWnd == AwtToolkit::GetInstance().GetHWnd()) {
 361         return NULL;
 362     }
 363 
 364     // check that it's an AWT component from the same toolkit as the caller
 365     if (::IsWindow(hWnd) &&
 366         AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL))
 367     {
 368         DASSERT(WmAwtIsComponent != 0);
 369         if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) {
 370             return GetComponentImpl(hWnd);
 371         }
 372     }
 373     return NULL;
 374 }
 375 
 376 /*
 377  * static function to get AwtComponent pointer from hWnd--
 378  * different from GetComponent because caller knows the
 379  * hwnd is an AWT component hwnd
 380  */
 381 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) {
 382     AwtComponent *component =
 383         (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA);
 384     DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) );
 385     DASSERT(!component || component->GetHWnd() == hWnd );
 386     return component;
 387 }
 388 
 389 /*
 390  * Single window proc for all the components. Delegates real work to
 391  * the component's WindowProc() member function.
 392  */
 393 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message,
 394                                        WPARAM wParam, LPARAM lParam)
 395 {
 396     TRY;
 397 
 398     AwtComponent * self = AwtComponent::GetComponentImpl(hWnd);
 399     if (self == NULL || self->GetHWnd() != hWnd ||
 400         message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully
 401     {
 402         return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam);
 403     } else {
 404         return self->WindowProc(message, wParam, lParam);
 405     }
 406 
 407     CATCH_BAD_ALLOC_RET(0);
 408 }
 409 
 410 BOOL AwtComponent::IsFocusable() {
 411     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
 412     jobject peer = GetPeer(env);
 413     jobject target = env->GetObjectField(peer, AwtObject::targetID);
 414     BOOL res = env->GetBooleanField(target, focusableID);
 415     AwtWindow *pCont = GetContainer();
 416     if (pCont) {
 417         res &= pCont->IsFocusableWindow();
 418     }
 419     env->DeleteLocalRef(target);
 420     return res;
 421 }
 422 
 423 /************************************************************************
 424  * AwtComponent dynamic methods
 425  *
 426  * Window class registration routines
 427  */
 428 
 429 /*
 430  * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon
 431  */
 432 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc)
 433 {
 434     lpwc->cbSize        = sizeof(WNDCLASSEX);
 435     lpwc->style         = 0L;//CS_OWNDC;
 436     lpwc->lpfnWndProc   = (WNDPROC)::DefWindowProc;
 437     lpwc->cbClsExtra    = 0;
 438     lpwc->cbWndExtra    = 0;
 439     lpwc->hInstance     = AwtToolkit::GetInstance().GetModuleHandle(),
 440     lpwc->hIcon         = AwtToolkit::GetInstance().GetAwtIcon();
 441     lpwc->hCursor       = NULL;
 442     lpwc->hbrBackground = NULL;
 443     lpwc->lpszMenuName  = NULL;
 444     lpwc->lpszClassName = GetClassName();
 445     //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32
 446     lpwc->hIconSm       = AwtToolkit::GetInstance().GetAwtIconSm();
 447 }
 448 
 449 void AwtComponent::RegisterClass()
 450 {
 451     WNDCLASSEX wc;
 452     if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) {
 453         FillClassInfo(&wc);
 454         ATOM ret = ::RegisterClassEx(&wc);
 455         DASSERT(ret != 0);
 456     }
 457 }
 458 
 459 void AwtComponent::UnregisterClass()
 460 {
 461     ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle());
 462 }
 463 
 464 /*
 465  * Copy the graphicsConfig reference from Component into WComponentPeer
 466  */
 467 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer)
 468 {
 469     jobject target = env->GetObjectField(peer, AwtObject::targetID);
 470     //Get graphicsConfig object ref from Component
 471     jobject compGC = env->GetObjectField(target,
 472                       AwtComponent::graphicsConfigID);
 473 
 474     //Set peer's graphicsConfig to Component's graphicsConfig
 475     if (compGC != NULL) {
 476         jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig");
 477         DASSERT(win32GCCls != NULL);
 478         DASSERT(env->IsInstanceOf(compGC, win32GCCls));
 479         if (win32GCCls == NULL) {
 480             throw std::bad_alloc();
 481         }
 482         env->SetObjectField(peer, AwtComponent::peerGCID, compGC);
 483     }
 484 }
 485 
 486 void
 487 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title,
 488                          DWORD windowStyle,
 489                          DWORD windowExStyle,
 490                          int x, int y, int w, int h,
 491                          HWND hWndParent, HMENU hMenu,
 492                          COLORREF colorForeground,
 493                          COLORREF colorBackground,
 494                          jobject peer)
 495 {
 496     if (env->EnsureLocalCapacity(2) < 0) {
 497         return;
 498     }
 499 
 500     /*
 501      * The window class of multifont label must be "BUTTON" because
 502      * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject
 503      * member is referred in the GetClassName method of AwtLabel class.
 504      * So m_peerObject member must be set here.
 505      */
 506     if (m_peerObject == NULL) {
 507         m_peerObject = env->NewGlobalRef(peer);
 508     } else {
 509         assert(env->IsSameObject(m_peerObject, peer));
 510     }
 511 
 512     RegisterClass();
 513 
 514     jobject target = env->GetObjectField(peer, AwtObject::targetID);
 515     jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID);
 516     m_visible = visible;
 517 
 518     if (visible) {
 519         windowStyle |= WS_VISIBLE;
 520     } else {
 521         windowStyle &= ~WS_VISIBLE;
 522     }
 523 
 524     InitPeerGraphicsConfig(env, peer);
 525 
 526     SetLastError(0);
 527     HWND hwnd = ::CreateWindowEx(windowExStyle,
 528                                  GetClassName(),
 529                                  title,
 530                                  windowStyle,
 531                                  x, y, w, h,
 532                                  hWndParent,
 533                                  hMenu,
 534                                  AwtToolkit::GetInstance().GetModuleHandle(),
 535                                  NULL);
 536 
 537     // fix for 5088782
 538     // check if CreateWindowsEx() returns not null value and if it does -
 539     //   create an InternalError or OutOfMemoryError based on GetLastError().
 540     //   This error is set to createError field of WObjectPeer and then
 541     //   checked and thrown in WComponentPeer constructor. We can't throw an
 542     //   error here because this code is invoked on Toolkit thread
 543     if (hwnd == NULL)
 544     {
 545         DWORD dw = ::GetLastError();
 546         jobject createError = NULL;
 547         if (dw == ERROR_OUTOFMEMORY)
 548         {
 549             jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles");
 550             if (errorMsg == NULL || env->ExceptionCheck()) {
 551                 env->ExceptionClear();
 552                 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V");
 553             } else {
 554                 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError",
 555                                                       "(Ljava/lang/String;)V",
 556                                                       errorMsg);
 557                 env->DeleteLocalRef(errorMsg);
 558             }
 559         }
 560         else
 561         {
 562             TCHAR *buf;
 563             FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
 564                 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
 565                 (LPTSTR)&buf, 0, NULL);
 566             jstring s = JNU_NewStringPlatform(env, buf);
 567             if (s == NULL || env->ExceptionCheck()) {
 568                 env->ExceptionClear();
 569                 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V");
 570             } else {
 571                 createError = JNU_NewObjectByName(env, "java/lang/InternalError",
 572                                                                   "(Ljava/lang/String;)V", s);
 573                 env->DeleteLocalRef(s);
 574             }
 575             LocalFree(buf);
 576         }
 577         if (createError != NULL) {
 578             env->SetObjectField(peer, AwtObject::createErrorID, createError);
 579             env->DeleteLocalRef(createError);
 580         }
 581         env->DeleteLocalRef(target);
 582         return;
 583     }
 584 
 585     m_hwnd = hwnd;
 586 
 587     ::ImmAssociateContext(m_hwnd, NULL);
 588 
 589     SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED |
 590         (jint)JAWT_LOCK_BOUNDS_CHANGED |
 591         (jint)JAWT_LOCK_CLIP_CHANGED);
 592 
 593     LinkObjects(env, peer);
 594 
 595     /* Subclass the window now so that we can snoop on its messages */
 596     SubclassHWND();
 597 
 598     AwtToolkit& tk = AwtToolkit::GetInstance();
 599     if (tk.IsWin8OrLater() && tk.IsTouchKeyboardAutoShowEnabled()) {
 600         tk.TIRegisterTouchWindow(GetHWnd(), TWF_WANTPALM);
 601     }
 602 
 603     /*
 604       * Fix for 4046446.
 605       */
 606     SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE);
 607 
 608     /* Set default colors. */
 609     m_colorForeground = colorForeground;
 610     m_colorBackground = colorBackground;
 611 
 612     /*
 613      * Only set background color if the color is actually set on the
 614      * target -- this avoids inheriting a parent's color unnecessarily,
 615      * and has to be done here because there isn't an API to get the
 616      * real background color from outside the AWT package.
 617      */
 618     jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ;
 619     if (bkgrd != NULL) {
 620         JNU_CallMethodByName(env, NULL, peer, "setBackground",
 621                              "(Ljava/awt/Color;)V", bkgrd);
 622         DASSERT(!safe_ExceptionOccurred(env));
 623     }
 624     env->DeleteLocalRef(target);
 625     env->DeleteLocalRef(bkgrd);
 626 }
 627 
 628 /*
 629  * Destroy this window's HWND
 630  */
 631 void AwtComponent::DestroyHWnd() {
 632     if (m_hwnd != NULL) {
 633         AwtToolkit::DestroyComponentHWND(m_hwnd);
 634         //AwtToolkit::DestroyComponent(this);
 635         m_hwnd = NULL;
 636     }
 637 }
 638 
 639 /*
 640  * Returns hwnd for target on non Toolkit thread
 641  */
 642 HWND
 643 AwtComponent::GetHWnd(JNIEnv* env, jobject target) {
 644     if (JNU_IsNull(env, target)) {
 645         return 0;
 646     }
 647     jobject peer = env->GetObjectField(target, AwtComponent::peerID);
 648     if (JNU_IsNull(env, peer)) {
 649         return 0;
 650     }
 651     HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> (
 652         env->GetLongField(peer, AwtComponent::hwndID)));
 653     env->DeleteLocalRef(peer);
 654     return hwnd;
 655 }
 656 //
 657 // Propagate the background color to synchronize Java field and peer's field.
 658 // This is needed to fix 4148334
 659 //
 660 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target)
 661 {
 662     if (env->EnsureLocalCapacity(1) < 0) {
 663         return;
 664     }
 665 
 666     jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID);
 667 
 668     if (bkgrnd == NULL) {
 669         bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V",
 670                                      GetRValue(m_colorBackground),
 671                                      GetGValue(m_colorBackground),
 672                                      GetBValue(m_colorBackground));
 673         if (bkgrnd != NULL) {
 674             env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd);
 675         }
 676     }
 677     env->DeleteLocalRef(bkgrnd);
 678 }
 679 
 680 /*
 681  * Install our window proc as the proc for our HWND, and save off the
 682  * previous proc as the default
 683  */
 684 void AwtComponent::SubclassHWND()
 685 {
 686     if (m_bSubclassed) {
 687         return;
 688     }
 689     const WNDPROC wndproc = WndProc; // let compiler type check WndProc
 690     m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc);
 691     m_bSubclassed = TRUE;
 692 }
 693 
 694 /*
 695  * Reinstall the original window proc as the proc for our HWND
 696  */
 697 void AwtComponent::UnsubclassHWND()
 698 {
 699     if (!m_bSubclassed) {
 700         return;
 701     }
 702     ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc);
 703     m_bSubclassed = FALSE;
 704 }
 705 
 706 /////////////////////////////////////
 707 // (static method)
 708 // Determines the top-level ancestor for a given window. If the given
 709 // window is a top-level window, return itself.
 710 //
 711 // 'Top-level' includes dialogs as well.
 712 //
 713 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) {
 714     if (hwndDescendant == NULL) {
 715         return NULL;
 716     }
 717 
 718     DASSERT(IsWindow(hwndDescendant));
 719     HWND hwnd = hwndDescendant;
 720     for(;;) {
 721         DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
 722         // a) found a non-child window so terminate
 723         // b) found real toplevel window (e.g. EmbeddedFrame
 724         //    that is child though)
 725         if ( (style & WS_CHILD) == 0 ||
 726              AwtComponent::IsTopLevelHWnd(hwnd) )
 727         {
 728             break;
 729         }
 730         hwnd = ::GetParent(hwnd);
 731     }
 732 
 733     return hwnd;
 734 }
 735 ////////////////////
 736 
 737 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) {
 738     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
 739     if (env->EnsureLocalCapacity(1) < 0) {
 740         return NULL;
 741     }
 742 
 743     HWND hit = NULL;
 744     POINT p = { 0, 0 };
 745     AwtComponent *comp = NULL;
 746 
 747     if (useCache) {
 748         if (sm_cursorOn == NULL) {
 749             return NULL;
 750         }
 751 
 752 
 753         DASSERT(::IsWindow(sm_cursorOn));
 754         VERIFY(::GetCursorPos(&p));
 755         /*
 756          * Fix for BugTraq ID 4304024.
 757          * Allow a non-default cursor only for the client area.
 758          */
 759         comp = AwtComponent::GetComponent(sm_cursorOn);
 760         if (comp != NULL &&
 761             ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0,
 762                           MAKELPARAM(p.x, p.y)) == HTCLIENT) {
 763             goto found;
 764         }
 765     }
 766 
 767     ::GetCursorPos(&p);
 768     hit = ::WindowFromPoint(p);
 769     while (hit != NULL) {
 770         comp = AwtComponent::GetComponent(hit);
 771 
 772         if (comp != NULL) {
 773             INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST,
 774                                           0, MAKELPARAM(p.x, p.y));
 775             /*
 776              * Fix for BugTraq ID 4304024.
 777              * Allow a non-default cursor only for the client area.
 778              */
 779             if (nHittest != HTCLIENT) {
 780                 /*
 781                  * When over the non-client area, send WM_SETCURSOR
 782                  * to revert the cursor to an arrow.
 783                  */
 784                 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit,
 785                               MAKELPARAM(nHittest, WM_MOUSEMOVE));
 786                 return NULL;
 787             } else {
 788               sm_cursorOn = hit;
 789               goto found;
 790             }
 791         }
 792 
 793         if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) {
 794             return NULL;
 795         }
 796         hit = ::GetParent(hit);
 797     }
 798 
 799     return NULL;
 800 
 801 found:
 802     jobject localRef = comp->GetTarget(env);
 803     jobject globalRef = env->NewGlobalRef(localRef);
 804     env->DeleteLocalRef(localRef);
 805     return globalRef;
 806 }
 807 
 808 void AwtComponent::SetColor(COLORREF c)
 809 {
 810     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
 811     int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
 812     if (grayscale != GS_NOTGRAY) {
 813         int g;
 814 
 815         g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
 816             .114 * ((c >> 16) & 0xFF) + 0.5);
 817         // c = g | (g << 8) | (g << 16);
 818         c = PALETTERGB(g, g, g);
 819     }
 820 
 821     if (m_colorForeground == c) {
 822         return;
 823     }
 824 
 825     m_colorForeground = c;
 826     if (m_penForeground != NULL) {
 827         m_penForeground->Release();
 828         m_penForeground = NULL;
 829     }
 830     VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE));
 831 }
 832 
 833 void AwtComponent::SetBackgroundColor(COLORREF c)
 834 {
 835     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
 836     int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
 837     if (grayscale != GS_NOTGRAY) {
 838         int g;
 839 
 840         g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
 841             .114 * ((c >> 16) & 0xFF) + 0.5);
 842         // c = g | (g << 8) | (g << 16);
 843         c = PALETTERGB(g, g, g);
 844     }
 845 
 846     if (m_colorBackground == c) {
 847         return;
 848     }
 849     m_colorBackground = c;
 850     m_backgroundColorSet = TRUE;
 851     if (m_brushBackground != NULL) {
 852         m_brushBackground->Release();
 853         m_brushBackground = NULL;
 854     }
 855     VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
 856 }
 857 
 858 HPEN AwtComponent::GetForegroundPen()
 859 {
 860     if (m_penForeground == NULL) {
 861         m_penForeground = AwtPen::Get(m_colorForeground);
 862     }
 863     return (HPEN)m_penForeground->GetHandle();
 864 }
 865 
 866 COLORREF AwtComponent::GetBackgroundColor()
 867 {
 868     if (m_backgroundColorSet == FALSE) {
 869         AwtComponent* c = this;
 870         while ((c = c->GetParent()) != NULL) {
 871             if (c->IsBackgroundColorSet()) {
 872                 return c->GetBackgroundColor();
 873             }
 874         }
 875     }
 876     return m_colorBackground;
 877 }
 878 
 879 HBRUSH AwtComponent::GetBackgroundBrush()
 880 {
 881     if (m_backgroundColorSet == FALSE) {
 882         if (m_brushBackground != NULL) {
 883             m_brushBackground->Release();
 884             m_brushBackground = NULL;
 885         }
 886           AwtComponent* c = this;
 887           while ((c = c->GetParent()) != NULL) {
 888               if (c->IsBackgroundColorSet()) {
 889                   m_brushBackground =
 890                       AwtBrush::Get(c->GetBackgroundColor());
 891                   break;
 892               }
 893           }
 894     }
 895     if (m_brushBackground == NULL) {
 896         m_brushBackground = AwtBrush::Get(m_colorBackground);
 897     }
 898     return (HBRUSH)m_brushBackground->GetHandle();
 899 }
 900 
 901 void AwtComponent::SetFont(AwtFont* font)
 902 {
 903     DASSERT(font != NULL);
 904     if (font->GetAscent() < 0) {
 905         AwtFont::SetupAscent(font);
 906     }
 907     SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0));
 908     VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
 909 }
 910 
 911 AwtComponent* AwtComponent::GetParent()
 912 {
 913     HWND hwnd = ::GetParent(GetHWnd());
 914     if (hwnd == NULL) {
 915         return NULL;
 916     }
 917     return GetComponent(hwnd);
 918 }
 919 
 920 AwtWindow* AwtComponent::GetContainer()
 921 {
 922     AwtComponent* comp = this;
 923     while (comp != NULL) {
 924         if (comp->IsContainer()) {
 925             return (AwtWindow*)comp;
 926         }
 927         comp = comp->GetParent();
 928     }
 929     return NULL;
 930 }
 931 
 932 void AwtComponent::Show()
 933 {
 934     m_visible = true;
 935     ::ShowWindow(GetHWnd(), SW_SHOWNA);
 936 }
 937 
 938 void AwtComponent::Hide()
 939 {
 940     m_visible = false;
 941     ::ShowWindow(GetHWnd(), SW_HIDE);
 942 }
 943 
 944 BOOL
 945 AwtComponent::SetWindowPos(HWND wnd, HWND after,
 946                            int x, int y, int w, int h, UINT flags)
 947 {
 948     // Conditions we shouldn't handle:
 949     // z-order changes, correct window dimensions
 950     if (after != NULL || (w < 32767 && h < 32767)
 951         || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0))
 952     {
 953         return ::SetWindowPos(wnd, after, x, y, w, h, flags);
 954     }
 955     WINDOWPLACEMENT wp;
 956     ::ZeroMemory(&wp, sizeof(wp));
 957 
 958     wp.length = sizeof(wp);
 959     ::GetWindowPlacement(wnd, &wp);
 960     wp.rcNormalPosition.left = x;
 961     wp.rcNormalPosition.top = y;
 962     wp.rcNormalPosition.right = x + w;
 963     wp.rcNormalPosition.bottom = y + h;
 964     if ( flags & SWP_NOACTIVATE ) {
 965         wp.showCmd = SW_SHOWNOACTIVATE;
 966     }
 967     ::SetWindowPlacement(wnd, &wp);
 968     return 1;
 969 }
 970 
 971 void AwtComponent::Reshape(int x, int y, int w, int h) {
 972     ReshapeNoScale(ScaleUpX(x), ScaleUpY(y), ScaleUpX(w), ScaleUpY(h));
 973 }
 974 
 975 void AwtComponent::ReshapeNoScale(int x, int y, int w, int h)
 976 {
 977 #if defined(DEBUG)
 978     RECT        rc;
 979     ::GetWindowRect(GetHWnd(), &rc);
 980     ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2);
 981     DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top);
 982 #endif
 983 
 984     AwtWindow* container = GetContainer();
 985     AwtComponent* parent = GetParent();
 986     if (container != NULL && container == parent) {
 987         container->SubtractInsetPoint(x, y);
 988     }
 989     DTRACE_PRINTLN4("AwtComponent::Reshape to %d, %d, %d, %d", x, y, w, h);
 990     UINT flags = SWP_NOACTIVATE | SWP_NOZORDER;
 991 
 992     RECT        r;
 993 
 994     ::GetWindowRect(GetHWnd(), &r);
 995     // if the component size is changing , don't copy window bits
 996     if (r.right - r.left != w || r.bottom - r.top != h) {
 997         flags |= SWP_NOCOPYBITS;
 998     }
 999 
1000     if (parent && _tcscmp(parent->GetClassName(), TEXT("SunAwtScrollPane")) == 0) {
1001         if (x > 0) {
1002             x = 0;
1003         }
1004         if (y > 0) {
1005             y = 0;
1006         }
1007     }
1008     if (m_hdwp != NULL) {
1009         m_hdwp = ::DeferWindowPos(m_hdwp, GetHWnd(), 0, x, y, w, h, flags);
1010         DASSERT(m_hdwp != NULL);
1011     } else {
1012         /*
1013          * Fox for 4046446
1014          * If window has dimensions above the short int limit, ::SetWindowPos doesn't work.
1015          * We should use SetWindowPlacement instead.
1016          */
1017         SetWindowPos(GetHWnd(), 0, x, y, w, h, flags);
1018     }
1019 }
1020 
1021 void AwtComponent::SetScrollValues(UINT bar, int min, int value, int max)
1022 {
1023     int minTmp, maxTmp;
1024 
1025     ::GetScrollRange(GetHWnd(), bar, &minTmp, &maxTmp);
1026     if (min == INT_MAX) {
1027         min = minTmp;
1028     }
1029     if (value == INT_MAX) {
1030         value = ::GetScrollPos(GetHWnd(), bar);
1031     }
1032     if (max == INT_MAX) {
1033         max = maxTmp;
1034     }
1035     if (min == max) {
1036         max++;
1037     }
1038     ::SetScrollRange(GetHWnd(), bar, min, max, FALSE);
1039     ::SetScrollPos(GetHWnd(), bar, value, TRUE);
1040 }
1041 
1042 /*
1043  * Save Global Reference of sun.awt.windows.WInputMethod object
1044  */
1045 void AwtComponent::SetInputMethod(jobject im, BOOL useNativeCompWindow)
1046 {
1047     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1048 
1049     if (m_InputMethod!=NULL)
1050         env->DeleteGlobalRef(m_InputMethod);
1051 
1052     if (im!=NULL){
1053         m_InputMethod = env->NewGlobalRef(im);
1054         m_useNativeCompWindow = useNativeCompWindow;
1055     } else {
1056         m_InputMethod = NULL;
1057         m_useNativeCompWindow = TRUE;
1058     }
1059 
1060 }
1061 
1062 /*
1063  * Opportunity to process and/or eat a message before it is dispatched
1064  */
1065 MsgRouting AwtComponent::PreProcessMsg(MSG& msg)
1066 {
1067     return mrPassAlong;
1068 }
1069 
1070 static UINT lastMessage = WM_NULL;
1071 
1072 #ifndef SPY_MESSAGES
1073 #define SpyWinMessage(hwin,msg,str)
1074 #else
1075 
1076 #define FMT_MSG(x,y) case x: _stprintf(szBuf, \
1077     "0x%8.8x(%s):%s\n", hwnd, szComment, y); break;
1078 #define WIN_MSG(x) FMT_MSG(x,#x)
1079 
1080 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) {
1081 
1082     TCHAR szBuf[256];
1083 
1084     switch (message) {
1085         WIN_MSG(WM_NULL)
1086         WIN_MSG(WM_CREATE)
1087         WIN_MSG(WM_DESTROY)
1088         WIN_MSG(WM_MOVE)
1089         WIN_MSG(WM_SIZE)
1090         WIN_MSG(WM_ACTIVATE)
1091         WIN_MSG(WM_SETFOCUS)
1092         WIN_MSG(WM_KILLFOCUS)
1093         WIN_MSG(WM_ENABLE)
1094         WIN_MSG(WM_SETREDRAW)
1095         WIN_MSG(WM_SETTEXT)
1096         WIN_MSG(WM_GETTEXT)
1097         WIN_MSG(WM_GETTEXTLENGTH)
1098         WIN_MSG(WM_PAINT)
1099         WIN_MSG(WM_CLOSE)
1100         WIN_MSG(WM_QUERYENDSESSION)
1101         WIN_MSG(WM_QUIT)
1102         WIN_MSG(WM_QUERYOPEN)
1103         WIN_MSG(WM_ERASEBKGND)
1104         WIN_MSG(WM_SYSCOLORCHANGE)
1105         WIN_MSG(WM_ENDSESSION)
1106         WIN_MSG(WM_SHOWWINDOW)
1107         FMT_MSG(WM_WININICHANGE,"WM_WININICHANGE/WM_SETTINGCHANGE")
1108         WIN_MSG(WM_DEVMODECHANGE)
1109         WIN_MSG(WM_ACTIVATEAPP)
1110         WIN_MSG(WM_FONTCHANGE)
1111         WIN_MSG(WM_TIMECHANGE)
1112         WIN_MSG(WM_CANCELMODE)
1113         WIN_MSG(WM_SETCURSOR)
1114         WIN_MSG(WM_MOUSEACTIVATE)
1115         WIN_MSG(WM_CHILDACTIVATE)
1116         WIN_MSG(WM_QUEUESYNC)
1117         WIN_MSG(WM_GETMINMAXINFO)
1118         WIN_MSG(WM_PAINTICON)
1119         WIN_MSG(WM_ICONERASEBKGND)
1120         WIN_MSG(WM_NEXTDLGCTL)
1121         WIN_MSG(WM_SPOOLERSTATUS)
1122         WIN_MSG(WM_DRAWITEM)
1123         WIN_MSG(WM_MEASUREITEM)
1124         WIN_MSG(WM_DELETEITEM)
1125         WIN_MSG(WM_VKEYTOITEM)
1126         WIN_MSG(WM_CHARTOITEM)
1127         WIN_MSG(WM_SETFONT)
1128         WIN_MSG(WM_GETFONT)
1129         WIN_MSG(WM_SETHOTKEY)
1130         WIN_MSG(WM_GETHOTKEY)
1131         WIN_MSG(WM_QUERYDRAGICON)
1132         WIN_MSG(WM_COMPAREITEM)
1133         FMT_MSG(0x003D, "WM_GETOBJECT")
1134         WIN_MSG(WM_COMPACTING)
1135         WIN_MSG(WM_COMMNOTIFY)
1136         WIN_MSG(WM_WINDOWPOSCHANGING)
1137         WIN_MSG(WM_WINDOWPOSCHANGED)
1138         WIN_MSG(WM_POWER)
1139         WIN_MSG(WM_COPYDATA)
1140         WIN_MSG(WM_CANCELJOURNAL)
1141         WIN_MSG(WM_NOTIFY)
1142         WIN_MSG(WM_INPUTLANGCHANGEREQUEST)
1143         WIN_MSG(WM_INPUTLANGCHANGE)
1144         WIN_MSG(WM_TCARD)
1145         WIN_MSG(WM_HELP)
1146         WIN_MSG(WM_USERCHANGED)
1147         WIN_MSG(WM_NOTIFYFORMAT)
1148         WIN_MSG(WM_CONTEXTMENU)
1149         WIN_MSG(WM_STYLECHANGING)
1150         WIN_MSG(WM_STYLECHANGED)
1151         WIN_MSG(WM_DISPLAYCHANGE)
1152         WIN_MSG(WM_GETICON)
1153         WIN_MSG(WM_SETICON)
1154         WIN_MSG(WM_NCCREATE)
1155         WIN_MSG(WM_NCDESTROY)
1156         WIN_MSG(WM_NCCALCSIZE)
1157         WIN_MSG(WM_NCHITTEST)
1158         WIN_MSG(WM_NCPAINT)
1159         WIN_MSG(WM_NCACTIVATE)
1160         WIN_MSG(WM_GETDLGCODE)
1161         WIN_MSG(WM_SYNCPAINT)
1162         WIN_MSG(WM_NCMOUSEMOVE)
1163         WIN_MSG(WM_NCLBUTTONDOWN)
1164         WIN_MSG(WM_NCLBUTTONUP)
1165         WIN_MSG(WM_NCLBUTTONDBLCLK)
1166         WIN_MSG(WM_NCRBUTTONDOWN)
1167         WIN_MSG(WM_NCRBUTTONUP)
1168         WIN_MSG(WM_NCRBUTTONDBLCLK)
1169         WIN_MSG(WM_NCMBUTTONDOWN)
1170         WIN_MSG(WM_NCMBUTTONUP)
1171         WIN_MSG(WM_NCMBUTTONDBLCLK)
1172         WIN_MSG(WM_KEYDOWN)
1173         WIN_MSG(WM_KEYUP)
1174         WIN_MSG(WM_CHAR)
1175         WIN_MSG(WM_DEADCHAR)
1176         WIN_MSG(WM_SYSKEYDOWN)
1177         WIN_MSG(WM_SYSKEYUP)
1178         WIN_MSG(WM_SYSCHAR)
1179         WIN_MSG(WM_SYSDEADCHAR)
1180         WIN_MSG(WM_IME_STARTCOMPOSITION)
1181         WIN_MSG(WM_IME_ENDCOMPOSITION)
1182         WIN_MSG(WM_IME_COMPOSITION)
1183         WIN_MSG(WM_INITDIALOG)
1184         WIN_MSG(WM_COMMAND)
1185         WIN_MSG(WM_SYSCOMMAND)
1186         WIN_MSG(WM_TIMER)
1187         WIN_MSG(WM_HSCROLL)
1188         WIN_MSG(WM_VSCROLL)
1189         WIN_MSG(WM_INITMENU)
1190         WIN_MSG(WM_INITMENUPOPUP)
1191         WIN_MSG(WM_MENUSELECT)
1192         WIN_MSG(WM_MENUCHAR)
1193         WIN_MSG(WM_ENTERIDLE)
1194         FMT_MSG(0x0122, "WM_MENURBUTTONUP")
1195         FMT_MSG(0x0123, "WM_MENUDRAG")
1196         FMT_MSG(0x0124, "WM_MENUGETOBJECT")
1197         FMT_MSG(0x0125, "WM_UNINITMENUPOPUP")
1198         FMT_MSG(0x0126, "WM_MENUCOMMAND")
1199         WIN_MSG(WM_CTLCOLORMSGBOX)
1200         WIN_MSG(WM_CTLCOLOREDIT)
1201         WIN_MSG(WM_CTLCOLORLISTBOX)
1202         WIN_MSG(WM_CTLCOLORBTN)
1203         WIN_MSG(WM_CTLCOLORDLG)
1204         WIN_MSG(WM_CTLCOLORSCROLLBAR)
1205         WIN_MSG(WM_CTLCOLORSTATIC)
1206         WIN_MSG(WM_MOUSEMOVE)
1207         WIN_MSG(WM_LBUTTONDOWN)
1208         WIN_MSG(WM_LBUTTONUP)
1209         WIN_MSG(WM_LBUTTONDBLCLK)
1210         WIN_MSG(WM_RBUTTONDOWN)
1211         WIN_MSG(WM_RBUTTONUP)
1212         WIN_MSG(WM_RBUTTONDBLCLK)
1213         WIN_MSG(WM_MBUTTONDOWN)
1214         WIN_MSG(WM_MBUTTONUP)
1215         WIN_MSG(WM_MBUTTONDBLCLK)
1216         WIN_MSG(WM_XBUTTONDBLCLK)
1217         WIN_MSG(WM_XBUTTONDOWN)
1218         WIN_MSG(WM_XBUTTONUP)
1219         WIN_MSG(WM_MOUSEWHEEL)
1220         WIN_MSG(WM_MOUSEHWHEEL)
1221         WIN_MSG(WM_PARENTNOTIFY)
1222         WIN_MSG(WM_ENTERMENULOOP)
1223         WIN_MSG(WM_EXITMENULOOP)
1224         WIN_MSG(WM_NEXTMENU)
1225         WIN_MSG(WM_SIZING)
1226         WIN_MSG(WM_CAPTURECHANGED)
1227         WIN_MSG(WM_MOVING)
1228         WIN_MSG(WM_POWERBROADCAST)
1229         WIN_MSG(WM_DEVICECHANGE)
1230         WIN_MSG(WM_MDICREATE)
1231         WIN_MSG(WM_MDIDESTROY)
1232         WIN_MSG(WM_MDIACTIVATE)
1233         WIN_MSG(WM_MDIRESTORE)
1234         WIN_MSG(WM_MDINEXT)
1235         WIN_MSG(WM_MDIMAXIMIZE)
1236         WIN_MSG(WM_MDITILE)
1237         WIN_MSG(WM_MDICASCADE)
1238         WIN_MSG(WM_MDIICONARRANGE)
1239         WIN_MSG(WM_MDIGETACTIVE)
1240         WIN_MSG(WM_MDISETMENU)
1241         WIN_MSG(WM_ENTERSIZEMOVE)
1242         WIN_MSG(WM_EXITSIZEMOVE)
1243         WIN_MSG(WM_DROPFILES)
1244         WIN_MSG(WM_MDIREFRESHMENU)
1245         WIN_MSG(WM_IME_SETCONTEXT)
1246         WIN_MSG(WM_IME_NOTIFY)
1247         WIN_MSG(WM_IME_CONTROL)
1248         WIN_MSG(WM_IME_COMPOSITIONFULL)
1249         WIN_MSG(WM_IME_SELECT)
1250         WIN_MSG(WM_IME_CHAR)
1251         FMT_MSG(WM_IME_REQUEST)
1252         WIN_MSG(WM_IME_KEYDOWN)
1253         WIN_MSG(WM_IME_KEYUP)
1254         FMT_MSG(0x02A1, "WM_MOUSEHOVER")
1255         FMT_MSG(0x02A3, "WM_MOUSELEAVE")
1256         WIN_MSG(WM_CUT)
1257         WIN_MSG(WM_COPY)
1258         WIN_MSG(WM_PASTE)
1259         WIN_MSG(WM_CLEAR)
1260         WIN_MSG(WM_UNDO)
1261         WIN_MSG(WM_RENDERFORMAT)
1262         WIN_MSG(WM_RENDERALLFORMATS)
1263         WIN_MSG(WM_DESTROYCLIPBOARD)
1264         WIN_MSG(WM_DRAWCLIPBOARD)
1265         WIN_MSG(WM_PAINTCLIPBOARD)
1266         WIN_MSG(WM_VSCROLLCLIPBOARD)
1267         WIN_MSG(WM_SIZECLIPBOARD)
1268         WIN_MSG(WM_ASKCBFORMATNAME)
1269         WIN_MSG(WM_CHANGECBCHAIN)
1270         WIN_MSG(WM_HSCROLLCLIPBOARD)
1271         WIN_MSG(WM_QUERYNEWPALETTE)
1272         WIN_MSG(WM_PALETTEISCHANGING)
1273         WIN_MSG(WM_PALETTECHANGED)
1274         WIN_MSG(WM_HOTKEY)
1275         WIN_MSG(WM_PRINT)
1276         WIN_MSG(WM_PRINTCLIENT)
1277         WIN_MSG(WM_HANDHELDFIRST)
1278         WIN_MSG(WM_HANDHELDLAST)
1279         WIN_MSG(WM_AFXFIRST)
1280         WIN_MSG(WM_AFXLAST)
1281         WIN_MSG(WM_PENWINFIRST)
1282         WIN_MSG(WM_PENWINLAST)
1283         WIN_MSG(WM_AWT_COMPONENT_CREATE)
1284         WIN_MSG(WM_AWT_DESTROY_WINDOW)
1285         WIN_MSG(WM_AWT_MOUSEENTER)
1286         WIN_MSG(WM_AWT_MOUSEEXIT)
1287         WIN_MSG(WM_AWT_COMPONENT_SHOW)
1288         WIN_MSG(WM_AWT_COMPONENT_HIDE)
1289         WIN_MSG(WM_AWT_COMPONENT_SETFOCUS)
1290         WIN_MSG(WM_AWT_WINDOW_SETACTIVE)
1291         WIN_MSG(WM_AWT_LIST_SETMULTISELECT)
1292         WIN_MSG(WM_AWT_HANDLE_EVENT)
1293         WIN_MSG(WM_AWT_PRINT_COMPONENT)
1294         WIN_MSG(WM_AWT_RESHAPE_COMPONENT)
1295         WIN_MSG(WM_AWT_SETALWAYSONTOP)
1296         WIN_MSG(WM_AWT_BEGIN_VALIDATE)
1297         WIN_MSG(WM_AWT_END_VALIDATE)
1298         WIN_MSG(WM_AWT_FORWARD_CHAR)
1299         WIN_MSG(WM_AWT_FORWARD_BYTE)
1300         WIN_MSG(WM_AWT_SET_SCROLL_INFO)
1301         WIN_MSG(WM_AWT_CREATECONTEXT)
1302         WIN_MSG(WM_AWT_DESTROYCONTEXT)
1303         WIN_MSG(WM_AWT_ASSOCIATECONTEXT)
1304         WIN_MSG(WM_AWT_GET_DEFAULT_IME_HANDLER)
1305         WIN_MSG(WM_AWT_HANDLE_NATIVE_IME_EVENT)
1306         WIN_MSG(WM_AWT_PRE_KEYDOWN)
1307         WIN_MSG(WM_AWT_PRE_KEYUP)
1308         WIN_MSG(WM_AWT_PRE_SYSKEYDOWN)
1309         WIN_MSG(WM_AWT_PRE_SYSKEYUP)
1310         WIN_MSG(WM_AWT_ENDCOMPOSITION,)
1311         WIN_MSG(WM_AWT_DISPOSE,)
1312         WIN_MSG(WM_AWT_DELETEOBJECT,)
1313         WIN_MSG(WM_AWT_SETCONVERSIONSTATUS,)
1314         WIN_MSG(WM_AWT_GETCONVERSIONSTATUS,)
1315         WIN_MSG(WM_AWT_SETOPENSTATUS,)
1316         WIN_MSG(WM_AWT_GETOPENSTATUS)
1317         WIN_MSG(WM_AWT_ACTIVATEKEYBOARDLAYOUT)
1318         WIN_MSG(WM_AWT_OPENCANDIDATEWINDOW)
1319         WIN_MSG(WM_AWT_DLG_SHOWMODAL,)
1320         WIN_MSG(WM_AWT_DLG_ENDMODAL,)
1321         WIN_MSG(WM_AWT_SETCURSOR,)
1322         WIN_MSG(WM_AWT_WAIT_FOR_SINGLE_OBJECT,)
1323         WIN_MSG(WM_AWT_INVOKE_METHOD,)
1324         WIN_MSG(WM_AWT_INVOKE_VOID_METHOD,)
1325         WIN_MSG(WM_AWT_EXECUTE_SYNC,)
1326         WIN_MSG(WM_AWT_CURSOR_SYNC)
1327         WIN_MSG(WM_AWT_GETDC)
1328         WIN_MSG(WM_AWT_RELEASEDC)
1329         WIN_MSG(WM_AWT_RELEASE_ALL_DCS)
1330         WIN_MSG(WM_AWT_SHOWCURSOR)
1331         WIN_MSG(WM_AWT_HIDECURSOR)
1332         WIN_MSG(WM_AWT_CREATE_PRINTED_PIXELS)
1333         WIN_MSG(WM_AWT_OBJECTLISTCLEANUP)
1334         default:
1335             sprintf(szBuf, "0x%8.8x(%s):Unknown message 0x%8.8x\n",
1336                 hwnd, szComment, message);
1337             break;
1338     }
1339     printf(szBuf);
1340 }
1341 
1342 #endif /* SPY_MESSAGES */
1343 
1344 /*
1345  * Dispatch messages for this window class--general component
1346  */
1347 LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
1348 {
1349     CounterHelper ch(&m_MessagesProcessing);
1350 
1351     JNILocalFrame lframe(AwtToolkit::GetEnv(), 10);
1352     SpyWinMessage(GetHWnd(), message,
1353         (message == WM_AWT_RELEASE_ALL_DCS) ? TEXT("Disposed Component") : GetClassName());
1354 
1355     LRESULT retValue = 0;
1356     MsgRouting mr = mrDoDefault;
1357     AwtToolkit::GetInstance().eventNumber++;
1358 
1359     static BOOL ignoreNextLBTNUP = FALSE; //Ignore next LBUTTONUP msg?
1360 
1361     lastMessage = message;
1362 
1363     if (message == WmAwtIsComponent) {
1364     // special message to identify AWT HWND's without using
1365     // resource hogging ::SetProp
1366         return (LRESULT)TRUE;
1367     }
1368 
1369     DWORD curPos = 0;
1370 
1371     UINT switchMessage = message;
1372     switch (switchMessage) {
1373       case WM_AWT_GETDC:
1374       {
1375             HDC hDC;
1376             // First, release the DCs scheduled for deletion
1377             ReleaseDCList(GetHWnd(), passiveDCList);
1378 
1379             GetDCReturnStruct *returnStruct = new GetDCReturnStruct;
1380             returnStruct->gdiLimitReached = FALSE;
1381             if (AwtGDIObject::IncrementIfAvailable()) {
1382                 hDC = ::GetDCEx(GetHWnd(), NULL,
1383                                 DCX_CACHE | DCX_CLIPCHILDREN |
1384                                 DCX_CLIPSIBLINGS);
1385                 if (hDC != NULL) {
1386                     // Add new DC to list of DC's associated with this Component
1387                     activeDCList.AddDC(hDC, GetHWnd());
1388                 } else {
1389                     // Creation failed; decrement counter in AwtGDIObject
1390                     AwtGDIObject::Decrement();
1391                 }
1392             } else {
1393                 hDC = NULL;
1394                 returnStruct->gdiLimitReached = TRUE;
1395             }
1396             returnStruct->hDC = hDC;
1397             retValue = (LRESULT)returnStruct;
1398             mr = mrConsume;
1399             break;
1400       }
1401       case WM_AWT_RELEASEDC:
1402       {
1403             HDC hDC = (HDC)wParam;
1404             MoveDCToPassiveList(hDC, GetHWnd());
1405             ReleaseDCList(GetHWnd(), passiveDCList);
1406             mr = mrConsume;
1407             break;
1408       }
1409       case WM_AWT_RELEASE_ALL_DCS:
1410       {
1411             // Called during Component destruction.  Gets current list of
1412             // DC's associated with Component and releases each DC.
1413             ReleaseDCList(GetHWnd(), activeDCList);
1414             ReleaseDCList(GetHWnd(), passiveDCList);
1415             mr = mrConsume;
1416             break;
1417       }
1418       case WM_AWT_SHOWCURSOR:
1419           ::ShowCursor(TRUE);
1420           break;
1421       case WM_AWT_HIDECURSOR:
1422           ::ShowCursor(FALSE);
1423           break;
1424       case WM_CREATE: mr = WmCreate(); break;
1425       case WM_CLOSE:      mr = WmClose(); break;
1426       case WM_DESTROY:    mr = WmDestroy(); break;
1427       case WM_NCDESTROY:  mr = WmNcDestroy(); break;
1428 
1429       case WM_ERASEBKGND:
1430           mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break;
1431       case WM_PAINT:
1432           CheckFontSmoothingSettings(GetHWnd());
1433           /* Set draw state */
1434           SetDrawState(GetDrawState() | JAWT_LOCK_CLIP_CHANGED);
1435           mr = WmPaint((HDC)wParam);
1436           break;
1437 
1438       case WM_GETMINMAXINFO:
1439           mr = WmGetMinMaxInfo((LPMINMAXINFO)lParam);
1440           break;
1441 
1442       case WM_WINDOWPOSCHANGING:
1443       {
1444           // We process this message so that we can synchronize access to
1445           // a moving window.  The Scale/Blt functions in Win32BlitLoops
1446           // take the same windowMoveLock to ensure that a window is not
1447           // moving while we are trying to copy pixels into it.
1448           WINDOWPOS *lpPosInfo = (WINDOWPOS *)lParam;
1449           if ((lpPosInfo->flags & (SWP_NOMOVE | SWP_NOSIZE)) !=
1450               (SWP_NOMOVE | SWP_NOSIZE))
1451           {
1452               // Move or Size command.
1453               // Windows tends to send erroneous events that the window
1454               // is about to move when the coordinates are exactly the
1455               // same as the last time.  This can cause problems with
1456               // our windowMoveLock CriticalSection because we enter it
1457               // here and never get to WM_WINDOWPOSCHANGED to release it.
1458               // So make sure this is a real move/size event before bothering
1459               // to grab the critical section.
1460               BOOL takeLock = FALSE;
1461               if (!(lpPosInfo->flags & SWP_NOMOVE) &&
1462                   ((windowMoveLockPosX != lpPosInfo->x) ||
1463                    (windowMoveLockPosY != lpPosInfo->y)))
1464               {
1465                   // Real move event
1466                   takeLock = TRUE;
1467                   windowMoveLockPosX = lpPosInfo->x;
1468                   windowMoveLockPosY = lpPosInfo->y;
1469               }
1470               if (!(lpPosInfo->flags & SWP_NOSIZE) &&
1471                   ((windowMoveLockPosCX != lpPosInfo->cx) ||
1472                    (windowMoveLockPosCY != lpPosInfo->cy)))
1473               {
1474                   // Real size event
1475                   takeLock = TRUE;
1476                   windowMoveLockPosCX = lpPosInfo->cx;
1477                   windowMoveLockPosCY = lpPosInfo->cy;
1478               }
1479               if (takeLock) {
1480                   if (!windowMoveLockHeld) {
1481                       windowMoveLock.Enter();
1482                       windowMoveLockHeld = TRUE;
1483                   }
1484               }
1485           }
1486           mr = WmWindowPosChanging(lParam);
1487           break;
1488       }
1489       case WM_WINDOWPOSCHANGED:
1490       {
1491           // Release lock grabbed in the POSCHANGING message
1492           if (windowMoveLockHeld) {
1493               windowMoveLockHeld = FALSE;
1494               windowMoveLock.Leave();
1495           }
1496           mr = WmWindowPosChanged(lParam);
1497           break;
1498       }
1499       case WM_MOVE: {
1500           RECT r;
1501           ::GetWindowRect(GetHWnd(), &r);
1502           mr = WmMove(r.left, r.top);
1503           break;
1504       }
1505       case WM_SIZE:
1506       {
1507           RECT r;
1508           // fix 4128317 : use GetClientRect for full 32-bit int precision and
1509           // to avoid negative client area dimensions overflowing 16-bit params - robi
1510           ::GetClientRect( GetHWnd(), &r );
1511           mr = WmSize(static_cast<UINT>(wParam), r.right - r.left, r.bottom - r.top);
1512           //mr = WmSize(wParam, LOWORD(lParam), HIWORD(lParam));
1513           SetCompositionWindow(r);
1514           break;
1515       }
1516       case WM_SIZING:
1517           mr = WmSizing();
1518           break;
1519       case WM_SHOWWINDOW:
1520           mr = WmShowWindow(static_cast<BOOL>(wParam),
1521                             static_cast<UINT>(lParam)); break;
1522       case WM_SYSCOMMAND:
1523           mr = WmSysCommand(static_cast<UINT>(wParam & 0xFFF0),
1524                             GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1525           break;
1526       case WM_ENTERSIZEMOVE:
1527           mr = WmEnterSizeMove();
1528           break;
1529       case WM_EXITSIZEMOVE:
1530           mr = WmExitSizeMove();
1531           break;
1532       // Bug #4039858 (Selecting menu item causes bogus mouse click event)
1533       case WM_ENTERMENULOOP:
1534           mr = WmEnterMenuLoop((BOOL)wParam);
1535           sm_bMenuLoop = TRUE;
1536           // we need to release grab if menu is shown
1537           if (AwtWindow::GetGrabbedWindow() != NULL) {
1538               AwtWindow::GetGrabbedWindow()->Ungrab();
1539           }
1540           break;
1541       case WM_EXITMENULOOP:
1542           mr = WmExitMenuLoop((BOOL)wParam);
1543           sm_bMenuLoop = FALSE;
1544           break;
1545 
1546       // We don't expect any focus messages on non-proxy component,
1547       // except those that came from Java.
1548       case WM_SETFOCUS:
1549           if (sm_inSynthesizeFocus) {
1550               mr = WmSetFocus((HWND)wParam);
1551           } else {
1552               mr = mrConsume;
1553           }
1554           break;
1555       case WM_KILLFOCUS:
1556           if (sm_inSynthesizeFocus) {
1557               mr = WmKillFocus((HWND)wParam);
1558           } else {
1559               mr = mrConsume;
1560           }
1561           break;
1562       case WM_ACTIVATE: {
1563           UINT nState = LOWORD(wParam);
1564           BOOL fMinimized = (BOOL)HIWORD(wParam);
1565           mr = mrConsume;
1566 
1567           if (!sm_suppressFocusAndActivation &&
1568               (!fMinimized || (nState == WA_INACTIVE)))
1569           {
1570               mr = WmActivate(nState, fMinimized, (HWND)lParam);
1571 
1572               // When the window is deactivated, send WM_IME_ENDCOMPOSITION
1573               // message to deactivate the composition window so that
1574               // it won't receive keyboard input focus.
1575               HIMC hIMC;
1576               HWND hwnd = ImmGetHWnd();
1577               if ((hIMC = ImmGetContext(hwnd)) != NULL) {
1578                   ImmReleaseContext(hwnd, hIMC);
1579                   DefWindowProc(WM_IME_ENDCOMPOSITION, 0, 0);
1580               }
1581           }
1582           break;
1583       }
1584       case WM_MOUSEACTIVATE: {
1585           AwtWindow *window = GetContainer();
1586           if (window && window->IsFocusableWindow()) {
1587               // AWT/Swing will later request focus to a proper component
1588               // on handling the Java mouse event. Anyway, we have to
1589               // activate the window here as it works both for AWT & Swing.
1590               // Do it in our own fassion,
1591               window->AwtSetActiveWindow(TRUE, LOWORD(lParam)/*hittest*/);
1592           }
1593           mr = mrConsume;
1594           retValue = MA_NOACTIVATE;
1595           break;
1596       }
1597       case WM_CTLCOLORMSGBOX:
1598       case WM_CTLCOLOREDIT:
1599       case WM_CTLCOLORLISTBOX:
1600       case WM_CTLCOLORBTN:
1601       case WM_CTLCOLORDLG:
1602       case WM_CTLCOLORSCROLLBAR:
1603       case WM_CTLCOLORSTATIC:
1604           mr = WmCtlColor((HDC)wParam, (HWND)lParam,
1605                           message-WM_CTLCOLORMSGBOX+CTLCOLOR_MSGBOX,
1606                           *(HBRUSH*)&retValue);
1607           break;
1608       case WM_HSCROLL:
1609           mr = WmHScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1610           break;
1611       case WM_VSCROLL:
1612           mr = WmVScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1613           break;
1614       // 4664415: We're seeing a WM_LBUTTONUP when the user releases the
1615       // mouse button after a WM_NCLBUTTONDBLCLK.  We want to ignore this
1616       // WM_LBUTTONUP, so we set a flag in WM_NCLBUTTONDBLCLK and look for the
1617       // flag on a WM_LBUTTONUP.  -bchristi
1618       case WM_NCLBUTTONDBLCLK:
1619           mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON | DBL_CLICK);
1620           if (mr == mrDoDefault) {
1621               ignoreNextLBTNUP = TRUE;
1622           }
1623           break;
1624       case WM_NCLBUTTONDOWN:
1625           mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1626           ignoreNextLBTNUP = FALSE;
1627           break;
1628       case WM_NCLBUTTONUP:
1629           mr = WmNcMouseUp(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1630           break;
1631       case WM_NCRBUTTONDOWN:
1632            mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), RIGHT_BUTTON);
1633            break;
1634       case WM_LBUTTONUP:
1635           if (ignoreNextLBTNUP) {
1636               ignoreNextLBTNUP = FALSE;
1637               return mrDoDefault;
1638           }
1639           //fall-through
1640       case WM_LBUTTONDOWN:
1641           ignoreNextLBTNUP = FALSE;
1642           //fall-through
1643       case WM_LBUTTONDBLCLK:
1644       case WM_RBUTTONDOWN:
1645       case WM_RBUTTONDBLCLK:
1646       case WM_RBUTTONUP:
1647       case WM_MBUTTONDOWN:
1648       case WM_MBUTTONDBLCLK:
1649       case WM_MBUTTONUP:
1650       case WM_XBUTTONDBLCLK:
1651       case WM_XBUTTONDOWN:
1652       case WM_XBUTTONUP:
1653       case WM_MOUSEMOVE:
1654       case WM_MOUSEWHEEL:
1655       case WM_MOUSEHWHEEL:
1656       case WM_AWT_MOUSEENTER:
1657       case WM_AWT_MOUSEEXIT:
1658           curPos = ::GetMessagePos();
1659           POINT myPos;
1660           myPos.x = GET_X_LPARAM(curPos);
1661           myPos.y = GET_Y_LPARAM(curPos);
1662           ::ScreenToClient(GetHWnd(), &myPos);
1663           switch(switchMessage) {
1664           case WM_AWT_MOUSEENTER:
1665               mr = WmMouseEnter(static_cast<UINT>(wParam), myPos.x, myPos.y);
1666               break;
1667           case WM_LBUTTONDOWN:
1668           case WM_LBUTTONDBLCLK:
1669               mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1670                                LEFT_BUTTON);
1671               break;
1672           case WM_LBUTTONUP:
1673               mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1674                              LEFT_BUTTON);
1675               break;
1676           case WM_MOUSEMOVE:
1677               mr = WmMouseMove(static_cast<UINT>(wParam), myPos.x, myPos.y);
1678               break;
1679           case WM_MBUTTONDOWN:
1680           case WM_MBUTTONDBLCLK:
1681               mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1682                                MIDDLE_BUTTON);
1683               break;
1684           case WM_XBUTTONDOWN:
1685           case WM_XBUTTONDBLCLK:
1686               if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1687                   if (HIWORD(wParam) == 1) {
1688                       mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1689                                        X1_BUTTON);
1690                   }
1691                   if (HIWORD(wParam) == 2) {
1692                       mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1693                                        X2_BUTTON);
1694                   }
1695               }
1696               break;
1697           case WM_XBUTTONUP:
1698               if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1699                   if (HIWORD(wParam) == 1) {
1700                       mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1701                                      X1_BUTTON);
1702                   }
1703                   if (HIWORD(wParam) == 2) {
1704                       mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1705                                      X2_BUTTON);
1706                   }
1707               }
1708               break;
1709           case WM_RBUTTONDOWN:
1710           case WM_RBUTTONDBLCLK:
1711               mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1712                                RIGHT_BUTTON);
1713               break;
1714           case WM_RBUTTONUP:
1715               mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1716                              RIGHT_BUTTON);
1717               break;
1718           case WM_MBUTTONUP:
1719               mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1720                              MIDDLE_BUTTON);
1721               break;
1722           case WM_AWT_MOUSEEXIT:
1723               mr = WmMouseExit(static_cast<UINT>(wParam), myPos.x, myPos.y);
1724               break;
1725           case WM_MOUSEWHEEL:
1726           case WM_MOUSEHWHEEL:
1727               mr = WmMouseWheel(GET_KEYSTATE_WPARAM(wParam),
1728                                 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
1729                                 GET_WHEEL_DELTA_WPARAM(wParam),
1730                                 switchMessage == WM_MOUSEHWHEEL);
1731               break;
1732           }
1733           break;
1734       case WM_TOUCH:
1735           WmTouch(wParam, lParam);
1736           break;
1737       case WM_SETCURSOR:
1738           mr = mrDoDefault;
1739           if (LOWORD(lParam) == HTCLIENT) {
1740               if (AwtComponent* comp =
1741                                     AwtComponent::GetComponent((HWND)wParam)) {
1742                   AwtCursor::UpdateCursor(comp);
1743                   mr = mrConsume;
1744               }
1745           }
1746           break;
1747 
1748       case WM_KEYDOWN:
1749           mr = WmKeyDown(static_cast<UINT>(wParam),
1750                          LOWORD(lParam), HIWORD(lParam), FALSE);
1751           break;
1752       case WM_KEYUP:
1753           mr = WmKeyUp(static_cast<UINT>(wParam),
1754                        LOWORD(lParam), HIWORD(lParam), FALSE);
1755           break;
1756       case WM_SYSKEYDOWN:
1757           mr = WmKeyDown(static_cast<UINT>(wParam),
1758                          LOWORD(lParam), HIWORD(lParam), TRUE);
1759           break;
1760       case WM_SYSKEYUP:
1761           mr = WmKeyUp(static_cast<UINT>(wParam),
1762                        LOWORD(lParam), HIWORD(lParam), TRUE);
1763           break;
1764       case WM_IME_SETCONTEXT:
1765           // lParam is passed as pointer and it can be modified.
1766           mr = WmImeSetContext(static_cast<BOOL>(wParam), &lParam);
1767           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1768           break;
1769       case WM_IME_NOTIFY:
1770           mr = WmImeNotify(wParam, lParam);
1771           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1772           break;
1773       case WM_IME_STARTCOMPOSITION:
1774           mr = WmImeStartComposition();
1775           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1776           break;
1777       case WM_IME_ENDCOMPOSITION:
1778           mr = WmImeEndComposition();
1779           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1780           break;
1781       case WM_IME_COMPOSITION: {
1782           WORD dbcschar = static_cast<WORD>(wParam);
1783           mr = WmImeComposition(dbcschar, lParam);
1784           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1785           break;
1786       }
1787       case WM_IME_CONTROL:
1788       case WM_IME_COMPOSITIONFULL:
1789       case WM_IME_SELECT:
1790       case WM_IME_KEYUP:
1791       case WM_IME_KEYDOWN:
1792       case WM_IME_REQUEST:
1793           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1794           break;
1795       case WM_CHAR:
1796           mr = WmChar(static_cast<UINT>(wParam),
1797                       LOWORD(lParam), HIWORD(lParam), FALSE);
1798           break;
1799       case WM_SYSCHAR:
1800           mr = WmChar(static_cast<UINT>(wParam),
1801                       LOWORD(lParam), HIWORD(lParam), TRUE);
1802           break;
1803       case WM_IME_CHAR:
1804           mr = WmIMEChar(static_cast<UINT>(wParam),
1805                          LOWORD(lParam), HIWORD(lParam), FALSE);
1806           break;
1807 
1808       case WM_INPUTLANGCHANGEREQUEST: {
1809           DTRACE_PRINTLN4("WM_INPUTLANGCHANGEREQUEST: hwnd = 0x%X (%s);"//
1810                           "0x%08X -> 0x%08X",
1811                           GetHWnd(), GetClassName(),
1812                           (UINT_PTR)GetKeyboardLayout(), (UINT_PTR)lParam);
1813           // 4267428: make sure keyboard layout is turned undead.
1814           static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
1815           AwtToolkit::GetKeyboardState(keyboardState);
1816           WORD ignored;
1817           ::ToAsciiEx(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0),
1818                       keyboardState, &ignored, 0, GetKeyboardLayout());
1819 
1820           // Set this flag to block ActivateKeyboardLayout from
1821           // WInputMethod.activate()
1822           g_bUserHasChangedInputLang = TRUE;
1823           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1824           break;
1825       }
1826       case WM_INPUTLANGCHANGE:
1827           DTRACE_PRINTLN3("WM_INPUTLANGCHANGE: hwnd = 0x%X (%s);"//
1828                           "new = 0x%08X",
1829                           GetHWnd(), GetClassName(), (UINT)lParam);
1830           mr = WmInputLangChange(static_cast<UINT>(wParam), reinterpret_cast<HKL>(lParam));
1831           CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1832           // should return non-zero if we process this message
1833           retValue = 1;
1834           break;
1835 
1836       case WM_AWT_FORWARD_CHAR:
1837           mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam));
1838           break;
1839 
1840       case WM_AWT_FORWARD_BYTE:
1841           mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1842           break;
1843 
1844       case WM_PASTE:
1845           mr = WmPaste();
1846           break;
1847       case WM_TIMER:
1848           mr = WmTimer(wParam);
1849           break;
1850 
1851       case WM_COMMAND:
1852           mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam));
1853           break;
1854       case WM_COMPAREITEM:
1855           mr = WmCompareItem(static_cast<UINT>(wParam),
1856                              *(COMPAREITEMSTRUCT*)lParam, retValue);
1857           break;
1858       case WM_DELETEITEM:
1859           mr = WmDeleteItem(static_cast<UINT>(wParam),
1860                             *(DELETEITEMSTRUCT*)lParam);
1861           break;
1862       case WM_DRAWITEM:
1863           mr = WmDrawItem(static_cast<UINT>(wParam),
1864                           *(DRAWITEMSTRUCT*)lParam);
1865           break;
1866       case WM_MEASUREITEM:
1867           mr = WmMeasureItem(static_cast<UINT>(wParam),
1868                              *(MEASUREITEMSTRUCT*)lParam);
1869           break;
1870 
1871       case WM_AWT_HANDLE_EVENT:
1872           mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1873           break;
1874 
1875       case WM_PRINT:
1876           mr = WmPrint((HDC)wParam, lParam);
1877           break;
1878       case WM_PRINTCLIENT:
1879           mr = WmPrintClient((HDC)wParam, lParam);
1880           break;
1881 
1882       case WM_NCCALCSIZE:
1883           mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam,
1884                             retValue);
1885           break;
1886       case WM_NCPAINT:
1887           mr = WmNcPaint((HRGN)wParam);
1888           break;
1889       case WM_NCHITTEST:
1890           mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue);
1891           break;
1892 
1893       case WM_AWT_RESHAPE_COMPONENT: {
1894           RECT* r = (RECT*)lParam;
1895           WPARAM checkEmbedded = wParam;
1896           if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) {
1897               ::OffsetRect(r, -r->left, -r->top);
1898           }
1899           Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top);
1900           delete r;
1901           mr = mrConsume;
1902           break;
1903       }
1904 
1905       case WM_AWT_SETALWAYSONTOP: {
1906         AwtWindow* w = (AwtWindow*)lParam;
1907         BOOL value = (BOOL)wParam;
1908         UINT flags = SWP_NOMOVE | SWP_NOSIZE;
1909         // transient windows shouldn't change the owner window's position in the z-order
1910         if (w->IsRetainingHierarchyZOrder()) {
1911             flags |= SWP_NOOWNERZORDER;
1912         }
1913         ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST),
1914                        0,0,0,0, flags);
1915         break;
1916       }
1917 
1918       case WM_AWT_BEGIN_VALIDATE:
1919           BeginValidate();
1920           mr = mrConsume;
1921           break;
1922       case WM_AWT_END_VALIDATE:
1923           EndValidate();
1924           mr = mrConsume;
1925           break;
1926 
1927       case WM_PALETTEISCHANGING:
1928           mr = WmPaletteIsChanging((HWND)wParam);
1929           mr = mrDoDefault;
1930           break;
1931       case WM_QUERYNEWPALETTE:
1932           mr = WmQueryNewPalette(retValue);
1933           break;
1934       case WM_PALETTECHANGED:
1935           mr = WmPaletteChanged((HWND)wParam);
1936           break;
1937       case WM_STYLECHANGED:
1938           mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam);
1939           break;
1940       case WM_SETTINGCHANGE:
1941           CheckFontSmoothingSettings(NULL);
1942           mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam);
1943           break;
1944       case WM_CONTEXTMENU:
1945           mr = WmContextMenu((HWND)wParam,
1946                              GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1947           break;
1948 
1949           /*
1950            * These messages are used to route Win32 calls to the
1951            * creating thread, since these calls fail unless executed
1952            * there.
1953            */
1954       case WM_AWT_COMPONENT_SHOW:
1955           Show();
1956           mr = mrConsume;
1957           break;
1958       case WM_AWT_COMPONENT_HIDE:
1959           Hide();
1960           mr = mrConsume;
1961           break;
1962 
1963       case WM_AWT_COMPONENT_SETFOCUS:
1964           if ((BOOL)wParam) {
1965               retValue = SynthesizeWmSetFocus(GetHWnd(), NULL);
1966           } else {
1967               retValue = SynthesizeWmKillFocus(GetHWnd(), NULL);
1968           }
1969           mr = mrConsume;
1970           break;
1971       case WM_AWT_WINDOW_SETACTIVE:
1972           retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam);
1973           mr = mrConsume;
1974           break;
1975 
1976       case WM_AWT_SET_SCROLL_INFO: {
1977           SCROLLINFO *si = (SCROLLINFO *) lParam;
1978           ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE);
1979           delete si;
1980           mr = mrConsume;
1981           break;
1982       }
1983       case WM_AWT_CREATE_PRINTED_PIXELS: {
1984           CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam;
1985           SIZE loc = { cpps->srcx, cpps->srcy };
1986           SIZE size = { cpps->srcw, cpps->srch };
1987           retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha);
1988           mr = mrConsume;
1989           break;
1990       }
1991       case WM_UNDOCUMENTED_CLICKMENUBAR:
1992       {
1993           if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) {
1994               mr = mrConsume;
1995           }
1996       }
1997     }
1998 
1999     /*
2000      * If not a specific Consume, it was a specific DoDefault, or a
2001      * PassAlong (since the default is the next in chain), then call the
2002      * default proc.
2003      */
2004     if (mr != mrConsume) {
2005         retValue = DefWindowProc(message, wParam, lParam);
2006     }
2007 
2008     return retValue;
2009 }
2010 /*
2011  * Call this instance's default window proc, or if none set, call the stock
2012  * Window's one.
2013  */
2014 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam)
2015 {
2016     return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam);
2017 }
2018 
2019 /*
2020  * This message should only be received when a window is destroyed by
2021  * Windows, and not Java.  Window termination has been reworked so
2022  * this method should never be called during termination.
2023  */
2024 MsgRouting AwtComponent::WmDestroy()
2025 {
2026     return mrConsume;
2027 }
2028 
2029 /*
2030  * This message should only be received when a window is destroyed by
2031  * Windows, and not Java. It is sent only after child windows were destroyed.
2032  */
2033 MsgRouting AwtComponent::WmNcDestroy()
2034 {
2035     if (m_peerObject != NULL) { // is not being terminating
2036         // Stay in this handler until AwtComponent::Dispose is called.
2037         m_bPauseDestroy = TRUE;
2038 
2039         JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
2040         // Post invocation event for WObjectPeer.dispose to EDT
2041         env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID);
2042         // Wait until AwtComponent::Dispose is called
2043         AwtToolkit::GetInstance().PumpToDestroy(this);
2044     }
2045 
2046     return mrConsume;
2047 }
2048 
2049 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi)
2050 {
2051     return mrDoDefault;
2052 }
2053 
2054 MsgRouting AwtComponent::WmMove(int x, int y)
2055 {
2056     SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2057         | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2058     return mrDoDefault;
2059 }
2060 
2061 MsgRouting AwtComponent::WmSize(UINT type, int w, int h)
2062 {
2063     SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2064         | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2065     return mrDoDefault;
2066 }
2067 
2068 MsgRouting AwtComponent::WmSizing()
2069 {
2070     return mrDoDefault;
2071 }
2072 
2073 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos)
2074 {
2075     return mrDoDefault;
2076 }
2077 
2078 MsgRouting AwtComponent::WmEnterSizeMove()
2079 {
2080     return mrDoDefault;
2081 }
2082 
2083 MsgRouting AwtComponent::WmExitSizeMove()
2084 {
2085     return mrDoDefault;
2086 }
2087 
2088 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu)
2089 {
2090     return mrDoDefault;
2091 }
2092 
2093 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu)
2094 {
2095     return mrDoDefault;
2096 }
2097 
2098 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status)
2099 {
2100     return mrDoDefault;
2101 }
2102 
2103 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus)
2104 {
2105     m_wheelRotationAmountX = 0;
2106     m_wheelRotationAmountY = 0;
2107     return mrDoDefault;
2108 }
2109 
2110 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus)
2111 {
2112     m_wheelRotationAmountX = 0;
2113     m_wheelRotationAmountY = 0;
2114     return mrDoDefault;
2115 }
2116 
2117 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl,
2118                                     UINT ctlColor, HBRUSH& retBrush)
2119 {
2120     AwtComponent* child = AwtComponent::GetComponent(hCtrl);
2121     if (child) {
2122         ::SetBkColor(hDC, child->GetBackgroundColor());
2123         ::SetTextColor(hDC, child->GetColor());
2124         retBrush = child->GetBackgroundBrush();
2125         return mrConsume;
2126     }
2127     return mrDoDefault;
2128 /*
2129     switch (ctlColor) {
2130         case CTLCOLOR_MSGBOX:
2131         case CTLCOLOR_EDIT:
2132         case CTLCOLOR_LISTBOX:
2133         case CTLCOLOR_BTN:
2134         case CTLCOLOR_DLG:
2135         case CTLCOLOR_SCROLLBAR:
2136         case CTLCOLOR_STATIC:
2137     }
2138 */
2139 }
2140 
2141 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos,
2142                                    HWND hScrollbar) {
2143     if (hScrollbar && hScrollbar != GetHWnd()) {
2144         /* the last test should never happen */
2145         AwtComponent* sb = GetComponent(hScrollbar);
2146         if (sb) {
2147             sb->WmHScroll(scrollCode, pos, hScrollbar);
2148         }
2149     }
2150     return mrDoDefault;
2151 }
2152 
2153 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar)
2154 {
2155     if (hScrollbar && hScrollbar != GetHWnd()) {
2156         /* the last test should never happen */
2157         AwtComponent* sb = GetComponent(hScrollbar);
2158         if (sb) {
2159             sb->WmVScroll(scrollCode, pos, hScrollbar);
2160         }
2161     }
2162     return mrDoDefault;
2163 }
2164 
2165 
2166 MsgRouting AwtComponent::WmPaint(HDC)
2167 {
2168     /* Get the rectangle that covers all update regions, if any exist. */
2169     RECT r;
2170     if (::GetUpdateRect(GetHWnd(), &r, FALSE)) {
2171         if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 &&
2172             m_peerObject != NULL && m_callbacksEnabled) {
2173             /*
2174              * Always call handlePaint, because the underlying control
2175              * will have painted itself (the "background") before any
2176              * paint method is called.
2177              */
2178             DoCallback("handlePaint", "(IIII)V",
2179                        r.left, r.top, r.right-r.left, r.bottom-r.top);
2180         }
2181     }
2182     return mrDoDefault;
2183 }
2184 
2185 void AwtComponent::PaintUpdateRgn(const RECT *insets)
2186 {
2187     // Fix 4530093: Don't Validate if can't actually paint
2188     if (m_peerObject == NULL || !m_callbacksEnabled) {
2189 
2190         // Fix 4745222: If we don't ValidateRgn,  windows will keep sending
2191         // WM_PAINT messages until we do. This causes java to go into
2192         // a tight loop that increases CPU to 100% and starves main
2193         // thread which needs to complete initialization, but cant.
2194         ::ValidateRgn(GetHWnd(), NULL);
2195 
2196         return;
2197     }
2198 
2199     HRGN rgn = ::CreateRectRgn(0,0,1,1);
2200     int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE);
2201     /*
2202      * Now remove all update regions from this window -- do it
2203      * here instead of after the Java upcall, in case any new
2204      * updating is requested.
2205      */
2206     ::ValidateRgn(GetHWnd(), NULL);
2207 
2208     if (updated == COMPLEXREGION || updated == SIMPLEREGION) {
2209         if (insets != NULL) {
2210             ::OffsetRgn(rgn, insets->left, insets->top);
2211         }
2212         DWORD size = ::GetRegionData(rgn, 0, NULL);
2213         if (size == 0) {
2214             ::DeleteObject((HGDIOBJ)rgn);
2215             return;
2216         }
2217         char* buffer = new char[size]; // safe because sizeof(char)==1
2218         memset(buffer, 0, size);
2219         LPRGNDATA rgndata = (LPRGNDATA)buffer;
2220         rgndata->rdh.dwSize = sizeof(RGNDATAHEADER);
2221         rgndata->rdh.iType = RDH_RECTANGLES;
2222         int retCode = ::GetRegionData(rgn, size, rgndata);
2223         VERIFY(retCode);
2224         if (retCode == 0) {
2225             delete [] buffer;
2226             ::DeleteObject((HGDIOBJ)rgn);
2227             return;
2228         }
2229         /*
2230          * Updating rects are divided into mostly vertical and mostly horizontal
2231          * Each group is united together and if not empty painted separately
2232          */
2233         RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize);
2234         RECT* un[2] = {0, 0};
2235     DWORD i;
2236     for (i = 0; i < rgndata->rdh.nCount; i++, r++) {
2237             int width = r->right-r->left;
2238             int height = r->bottom-r->top;
2239             if (width > 0 && height > 0) {
2240                 int toAdd = (width > height) ? 0: 1;
2241                 if (un[toAdd] != 0) {
2242                     ::UnionRect(un[toAdd], un[toAdd], r);
2243                 } else {
2244                     un[toAdd] = r;
2245                 }
2246             }
2247         }
2248         for(i = 0; i < 2; i++) {
2249             if (un[i] != 0) {
2250                 DoCallback("handleExpose", "(IIII)V",
2251                            ScaleDownX(un[i]->left),
2252                            ScaleDownY(un[i]->top),
2253                            ScaleDownX(un[i]->right - un[i]->left),
2254                            ScaleDownY(un[i]->bottom - un[i]->top));
2255             }
2256         }
2257         delete [] buffer;
2258     }
2259     ::DeleteObject((HGDIOBJ)rgn);
2260 }
2261 
2262 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y)
2263 {
2264     SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED,
2265                    ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 0, JNI_FALSE);
2266     if ((flags & ALL_MK_BUTTONS) == 0) {
2267         AwtCursor::UpdateCursor(this);
2268     }
2269     sm_cursorOn = GetHWnd();
2270     return mrConsume;   /* Don't pass our synthetic event on! */
2271 }
2272 
2273 MSG*
2274 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam,
2275                             int x = 0, int y = 0)
2276 {
2277     MSG* pMsg = new MSG;
2278     InitMessage(pMsg, message, wParam, lParam, x, y);
2279     return pMsg;
2280 }
2281 
2282 
2283 jint
2284 AwtComponent::GetDrawState(HWND hwnd) {
2285     return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp));
2286 }
2287 
2288 void
2289 AwtComponent::SetDrawState(HWND hwnd, jint state) {
2290     ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state);
2291 }
2292 
2293 void
2294 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam,
2295                             int x = 0, int y = 0)
2296 {
2297     msg->message = message;
2298     msg->wParam = wParam;
2299     msg->lParam = lParam;
2300     msg->time = ::GetMessageTime();
2301     msg->pt.x = x;
2302     msg->pt.y = y;
2303 }
2304 
2305 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) {
2306     return mrDoDefault;
2307 }
2308 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) {
2309     return mrDoDefault;
2310 }
2311 
2312 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) {
2313     return mrDoDefault;
2314 }
2315 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) {
2316     return mrDoDefault;
2317 }
2318 
2319 void AwtComponent::WmTouch(WPARAM wParam, LPARAM lParam) {
2320     AwtToolkit& tk = AwtToolkit::GetInstance();
2321     if (!tk.IsWin8OrLater() || !tk.IsTouchKeyboardAutoShowEnabled()) {
2322         return;
2323     }
2324 
2325     UINT inputsCount = LOWORD(wParam);
2326     TOUCHINPUT* pInputs = new TOUCHINPUT[inputsCount];
2327     if (pInputs != NULL) {
2328         if (tk.TIGetTouchInputInfo((HTOUCHINPUT)lParam, inputsCount, pInputs,
2329                 sizeof(TOUCHINPUT)) != 0) {
2330             for (UINT i = 0; i < inputsCount; i++) {
2331                 TOUCHINPUT ti = pInputs[i];
2332                 if (ti.dwFlags & TOUCHEVENTF_PRIMARY) {
2333                     if (ti.dwFlags & TOUCHEVENTF_DOWN) {
2334                         m_touchDownPoint.x = ti.x / 100;
2335                         m_touchDownPoint.y = ti.y / 100;
2336                         ::ScreenToClient(GetHWnd(), &m_touchDownPoint);
2337                         m_touchDownOccurred = TRUE;
2338                     } else if (ti.dwFlags & TOUCHEVENTF_UP) {
2339                         m_touchUpPoint.x = ti.x / 100;
2340                         m_touchUpPoint.y = ti.y / 100;
2341                         ::ScreenToClient(GetHWnd(), &m_touchUpPoint);
2342                         m_touchUpOccurred = TRUE;
2343                     }
2344                 }
2345             }
2346         }
2347         delete[] pInputs;
2348     }
2349 }
2350 
2351 /* Double-click variables. */
2352 static jlong multiClickTime = ::GetDoubleClickTime();
2353 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK);
2354 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK);
2355 static AwtComponent* lastClickWnd = NULL;
2356 static jlong lastTime = 0;
2357 static int lastClickX = 0;
2358 static int lastClickY = 0;
2359 static int lastButton = 0;
2360 static int clickCount = 0;
2361 
2362 // A static method that makes the clickCount available in the derived classes
2363 // overriding WmMouseDown().
2364 int AwtComponent::GetClickCount()
2365 {
2366     return clickCount;
2367 }
2368 
2369 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button)
2370 {
2371     jlong now = ::JVM_CurrentTimeMillis(NULL, 0);
2372 
2373     if (lastClickWnd == this &&
2374         lastButton == button &&
2375         (now - lastTime) <= multiClickTime &&
2376         abs(x - lastClickX) <= multiClickMaxX &&
2377         abs(y - lastClickY) <= multiClickMaxY)
2378     {
2379         clickCount++;
2380     } else {
2381         clickCount = 1;
2382         lastClickWnd = this;
2383         lastButton = button;
2384         lastClickX = x;
2385         lastClickY = y;
2386     }
2387     /*
2388      *Set appropriate bit of the mask on WM_MOUSE_DOWN message.
2389      */
2390     m_mouseButtonClickAllowed |= GetButtonMK(button);
2391     lastTime = now;
2392 
2393     BOOL causedByTouchEvent = FALSE;
2394     if (m_touchDownOccurred &&
2395         (abs(m_touchDownPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2396         (abs(m_touchDownPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2397         causedByTouchEvent = TRUE;
2398         m_touchDownOccurred = FALSE;
2399     }
2400 
2401     MSG msg;
2402     InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2403 
2404     AwtWindow *toplevel = GetContainer();
2405     if (toplevel && !toplevel->IsSimpleWindow()) {
2406         /*
2407          * The frame should be focused by click in case it is
2408          * the active window but not the focused window. See 6886678.
2409          */
2410         if (toplevel->GetHWnd() == ::GetActiveWindow() &&
2411             toplevel->GetHWnd() != AwtComponent::GetFocusedWindow())
2412         {
2413             toplevel->AwtSetActiveWindow();
2414         }
2415     }
2416 
2417     SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y,
2418                    GetJavaModifiers(), clickCount, JNI_FALSE,
2419                    GetButton(button), &msg, causedByTouchEvent);
2420     /*
2421      * NOTE: this call is intentionally placed after all other code,
2422      * since AwtComponent::WmMouseDown() assumes that the cached id of the
2423      * latest retrieved message (see lastMessage in awt_Component.cpp)
2424      * matches the mouse message being processed.
2425      * SetCapture() sends WM_CAPTURECHANGED and breaks that
2426      * assumption.
2427      */
2428     SetDragCapture(flags);
2429 
2430     AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd()));
2431     if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) {
2432         if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) {
2433             AwtWindow::GetGrabbedWindow()->Ungrab();
2434         }
2435     }
2436     return mrConsume;
2437 }
2438 
2439 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button)
2440 {
2441     BOOL causedByTouchEvent = FALSE;
2442     if (m_touchUpOccurred &&
2443         (abs(m_touchUpPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2444         (abs(m_touchUpPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2445         causedByTouchEvent = TRUE;
2446         m_touchUpOccurred = FALSE;
2447     }
2448 
2449     MSG msg;
2450     InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2451 
2452     SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, ::JVM_CurrentTimeMillis(NULL, 0),
2453                    x, y, GetJavaModifiers(), clickCount,
2454                    (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ?
2455                     TRUE : FALSE), GetButton(button), &msg, causedByTouchEvent);
2456     /*
2457      * If no movement, then report a click following the button release.
2458      * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN,
2459      * spurous MOUSE_CLICK is about to happen. See 6430553.
2460      */
2461     if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed
2462         SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED,
2463                        ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(),
2464                        clickCount, JNI_FALSE, GetButton(button));
2465     }
2466     // Exclude button from allowed to generate CLICK messages
2467     m_mouseButtonClickAllowed &= ~GetButtonMK(button);
2468 
2469     if ((flags & ALL_MK_BUTTONS) == 0) {
2470         // only update if all buttons have been released
2471         AwtCursor::UpdateCursor(this);
2472     }
2473     /*
2474      * NOTE: this call is intentionally placed after all other code,
2475      * since AwtComponent::WmMouseUp() assumes that the cached id of the
2476      * latest retrieved message (see lastMessage in awt_Component.cpp)
2477      * matches the mouse message being processed.
2478      * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that
2479      * assumption.
2480      */
2481     ReleaseDragCapture(flags);
2482 
2483     return mrConsume;
2484 }
2485 
2486 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y)
2487 {
2488     static AwtComponent* lastComp = NULL;
2489     static int lastX = 0;
2490     static int lastY = 0;
2491 
2492     /*
2493      * Only report mouse move and drag events if a move or drag
2494      * actually happened -- Windows sends a WM_MOUSEMOVE in case the
2495      * app wants to modify the cursor.
2496      */
2497     if (lastComp != this || x != lastX || y != lastY) {
2498         lastComp = this;
2499         lastX = x;
2500         lastY = y;
2501         BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled();
2502         if (((flags & (ALL_MK_BUTTONS)) != 0) ||
2503             (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0))
2504 //        if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) ||
2505 //            ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) ))
2506         {
2507             // 6404008 : if Dragged event fired we shouldn't fire
2508             // Clicked event: m_firstDragSent set to TRUE.
2509             // This is a partial backout of 5039416 fix.
2510             MSG msg;
2511             InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2512             SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2513                            GetJavaModifiers(), 0, JNI_FALSE,
2514                            java_awt_event_MouseEvent_NOBUTTON, &msg);
2515             //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence
2516             m_mouseButtonClickAllowed = 0;
2517         } else {
2518             MSG msg;
2519             InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2520             SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2521                            GetJavaModifiers(), 0, JNI_FALSE,
2522                            java_awt_event_MouseEvent_NOBUTTON, &msg);
2523         }
2524     }
2525 
2526     return mrConsume;
2527 }
2528 
2529 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y)
2530 {
2531     SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, ::JVM_CurrentTimeMillis(NULL, 0), x,
2532                    y, GetJavaModifiers(), 0, JNI_FALSE);
2533     sm_cursorOn = NULL;
2534     return mrConsume;   /* Don't pass our synthetic event on! */
2535 }
2536 
2537 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y,
2538                                       int wheelRotation, BOOL isHorizontal)
2539 {
2540     // convert coordinates to be Component-relative, not screen relative
2541     // for wheeling when outside the window, this works similar to
2542     // coordinates during a drag
2543     POINT eventPt;
2544     eventPt.x = x;
2545     eventPt.y = y;
2546     DTRACE_PRINT2("  original coords: %i,%i\n", x, y);
2547     ::ScreenToClient(GetHWnd(), &eventPt);
2548     DTRACE_PRINT2("  new coords: %i,%i\n\n", eventPt.x, eventPt.y);
2549 
2550     // set some defaults
2551     jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2552     jint scrollUnits = 3;
2553 
2554     BOOL result;
2555     UINT platformUnits;
2556     jint roundedWheelRotation;
2557     jdouble preciseWheelRotation;
2558 
2559     // AWT interprets wheel rotation differently than win32, so we need to
2560     // decode wheel amount.
2561     jint modifiers = GetJavaModifiers();
2562     if (isHorizontal) {
2563         modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2564         m_wheelRotationAmountX += wheelRotation;
2565         roundedWheelRotation = m_wheelRotationAmountX / (WHEEL_DELTA);
2566         preciseWheelRotation = (jdouble) wheelRotation / (WHEEL_DELTA);
2567         result = ::SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0,
2568                                         &platformUnits, 0);
2569     } else {
2570         m_wheelRotationAmountY += wheelRotation;
2571         roundedWheelRotation = m_wheelRotationAmountY / (-1 * WHEEL_DELTA);
2572         preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA);
2573         result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
2574                                         &platformUnits, 0);
2575     }
2576 
2577     MSG msg;
2578     InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation),
2579                 MAKELPARAM(x, y));
2580 
2581     if (result) {
2582         if (platformUnits == WHEEL_PAGESCROLL) {
2583             scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL;
2584             scrollUnits = 1;
2585         }
2586         else {
2587             scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2588             scrollUnits = platformUnits;
2589         }
2590     }
2591 
2592     DTRACE_PRINTLN("calling SendMouseWheelEvent");
2593 
2594     SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, ::JVM_CurrentTimeMillis(NULL, 0),
2595                         eventPt.x, eventPt.y, modifiers, 0, 0, scrollType,
2596                         scrollUnits, roundedWheelRotation, preciseWheelRotation, &msg);
2597 
2598     m_wheelRotationAmountX %= WHEEL_DELTA;
2599     m_wheelRotationAmountY %= WHEEL_DELTA;
2600     // this message could be propagated up to the parent chain
2601     // by the mouse message post processors
2602     return mrConsume;
2603 }
2604 
2605 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) {
2606     // Rector+Newcomer page 413
2607     // The extended keys are the Alt and Control on the right of
2608     // the space bar, the non-Numpad arrow keys, the non-Numpad
2609     // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys.
2610     // Note that neither Shift key is extended.
2611     // Although not listed in Rector+Newcomer, both Windows keys
2612     // (91 and 92) are extended keys, the Context Menu key
2613     // (property key or application key - 93) is extended,
2614     // and so is the NumLock key.
2615 
2616     // wkey is the wParam, flags is the HIWORD of the lParam
2617 
2618     // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam)
2619     BOOL extended = ((1<<8) & flags);
2620 
2621     if (IsNumPadKey(wkey, extended)) {
2622         return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD;
2623     }
2624 
2625     switch (wkey) {
2626       case VK_SHIFT:
2627         return AwtComponent::GetShiftKeyLocation(wkey, flags);
2628       case VK_CONTROL: // fall through
2629       case VK_MENU:
2630         if (extended) {
2631             return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2632         } else {
2633             return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2634         }
2635       case VK_LWIN:
2636         return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2637       case VK_RWIN:
2638         return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2639       default:
2640         break;
2641     }
2642 
2643     // REMIND: if we add keycodes for the windows keys, we'll have to
2644     // include left/right discrimination code for them.
2645 
2646     return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
2647 }
2648 
2649 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags)
2650 {
2651     // init scancodes to safe values
2652     UINT leftShiftScancode = 0;
2653     UINT rightShiftScancode = 0;
2654 
2655     // First 8 bits of flags is the scancode
2656     UINT keyScanCode = flags & 0xFF;
2657 
2658     DTRACE_PRINTLN3(
2659       "AwtComponent::GetShiftKeyLocation  vkey = %d = 0x%x  scan = %d",
2660       vkey, vkey, keyScanCode);
2661 
2662     leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0);
2663     rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0);
2664 
2665     if (keyScanCode == leftShiftScancode) {
2666         return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2667     }
2668     if (keyScanCode == rightShiftScancode) {
2669         return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2670     }
2671 
2672     DASSERT(false);
2673     // Note: the above should not fail on NT (or 2000)
2674 
2675     // default value
2676     return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2677 }
2678 
2679 /* Returns Java ActionEvent modifieres.
2680  * When creating ActionEvent, modifiers provided by ActionEvent
2681  * class should be set.
2682  */
2683 jint
2684 AwtComponent::GetActionModifiers()
2685 {
2686     jint modifiers = GetJavaModifiers();
2687 
2688     if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
2689         modifiers |= java_awt_event_ActionEvent_CTRL_MASK;
2690     }
2691     if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
2692         modifiers |= java_awt_event_ActionEvent_SHIFT_MASK;
2693     }
2694     if (modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) {
2695         modifiers |= java_awt_event_ActionEvent_ALT_MASK;
2696     }
2697     return modifiers;
2698 }
2699 
2700 /* Returns Java extended InputEvent modifieres.
2701  * Since ::GetKeyState returns current state and Java modifiers represent
2702  * state before event, modifier on changed key are inverted.
2703  */
2704 jint
2705 AwtComponent::GetJavaModifiers()
2706 {
2707     jint modifiers = 0;
2708 
2709     if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) {
2710         modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK;
2711     }
2712     if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) {
2713         modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2714     }
2715     if (HIBYTE(::GetKeyState(VK_MENU)) != 0) {
2716         modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK;
2717     }
2718     if (HIBYTE(::GetKeyState(VK_RMENU)) != 0) {
2719         modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
2720     }
2721     if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) {
2722        modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK;
2723     }
2724     if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) {
2725         modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK;
2726     }
2727     if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) {
2728         modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK;
2729     }
2730 
2731     if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) {
2732         modifiers |= masks[3];
2733     }
2734     if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) {
2735         modifiers |= masks[4];
2736     }
2737     return modifiers;
2738 }
2739 
2740 jint
2741 AwtComponent::GetButton(int mouseButton)
2742 {
2743     /* Mouse buttons are already set correctly for left/right handedness */
2744     switch(mouseButton) {
2745     case LEFT_BUTTON:
2746         return java_awt_event_MouseEvent_BUTTON1;
2747     case MIDDLE_BUTTON:
2748         return java_awt_event_MouseEvent_BUTTON2;
2749     case RIGHT_BUTTON:
2750         return java_awt_event_MouseEvent_BUTTON3;
2751     case X1_BUTTON: //16 :
2752         //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now
2753         return 4;
2754     case X2_BUTTON: //32
2755         return 5;
2756     }
2757     return java_awt_event_MouseEvent_NOBUTTON;
2758 }
2759 
2760 UINT
2761 AwtComponent::GetButtonMK(int mouseButton)
2762 {
2763     switch(mouseButton) {
2764     case LEFT_BUTTON:
2765         return MK_LBUTTON;
2766     case MIDDLE_BUTTON:
2767         return MK_MBUTTON;
2768     case RIGHT_BUTTON:
2769         return MK_RBUTTON;
2770     case X1_BUTTON:
2771         return MK_XBUTTON1;
2772     case X2_BUTTON:
2773         return MK_XBUTTON2;
2774     }
2775     return 0;
2776 }
2777 
2778 // FIXME: Keyboard related stuff has grown so big and hairy that we
2779 // really need to move it into a class of its own.  And, since
2780 // keyboard is a shared resource, AwtComponent is a bad place for it.
2781 
2782 // These constants are defined in the Japanese version of VC++5.0,
2783 // but not the US version
2784 #ifndef VK_CONVERT
2785 #define VK_KANA           0x15
2786 #define VK_KANJI          0x19
2787 #define VK_CONVERT        0x1C
2788 #define VK_NONCONVERT     0x1D
2789 #endif
2790 
2791 #ifndef VK_XBUTTON1
2792 #define VK_XBUTTON1      0x05
2793 #endif
2794 
2795 #ifndef VK_XBUTTON2
2796 #define VK_XBUTTON2      0x06
2797 #endif
2798 
2799 typedef struct {
2800     UINT javaKey;
2801     UINT windowsKey;
2802 } KeyMapEntry;
2803 
2804 // Static table, arranged more or less spatially.
2805 KeyMapEntry keyMapTable[] = {
2806     // Modifier keys
2807     {java_awt_event_KeyEvent_VK_CAPS_LOCK,        VK_CAPITAL},
2808     {java_awt_event_KeyEvent_VK_SHIFT,            VK_SHIFT},
2809     {java_awt_event_KeyEvent_VK_CONTROL,          VK_CONTROL},
2810     {java_awt_event_KeyEvent_VK_ALT,              VK_MENU},
2811     {java_awt_event_KeyEvent_VK_ALT_GRAPH,        VK_RMENU},
2812     {java_awt_event_KeyEvent_VK_NUM_LOCK,         VK_NUMLOCK},
2813 
2814     // Miscellaneous Windows keys
2815     {java_awt_event_KeyEvent_VK_WINDOWS,          VK_LWIN},
2816     {java_awt_event_KeyEvent_VK_WINDOWS,          VK_RWIN},
2817     {java_awt_event_KeyEvent_VK_CONTEXT_MENU,     VK_APPS},
2818 
2819     // Alphabet
2820     {java_awt_event_KeyEvent_VK_A,                'A'},
2821     {java_awt_event_KeyEvent_VK_B,                'B'},
2822     {java_awt_event_KeyEvent_VK_C,                'C'},
2823     {java_awt_event_KeyEvent_VK_D,                'D'},
2824     {java_awt_event_KeyEvent_VK_E,                'E'},
2825     {java_awt_event_KeyEvent_VK_F,                'F'},
2826     {java_awt_event_KeyEvent_VK_G,                'G'},
2827     {java_awt_event_KeyEvent_VK_H,                'H'},
2828     {java_awt_event_KeyEvent_VK_I,                'I'},
2829     {java_awt_event_KeyEvent_VK_J,                'J'},
2830     {java_awt_event_KeyEvent_VK_K,                'K'},
2831     {java_awt_event_KeyEvent_VK_L,                'L'},
2832     {java_awt_event_KeyEvent_VK_M,                'M'},
2833     {java_awt_event_KeyEvent_VK_N,                'N'},
2834     {java_awt_event_KeyEvent_VK_O,                'O'},
2835     {java_awt_event_KeyEvent_VK_P,                'P'},
2836     {java_awt_event_KeyEvent_VK_Q,                'Q'},
2837     {java_awt_event_KeyEvent_VK_R,                'R'},
2838     {java_awt_event_KeyEvent_VK_S,                'S'},
2839     {java_awt_event_KeyEvent_VK_T,                'T'},
2840     {java_awt_event_KeyEvent_VK_U,                'U'},
2841     {java_awt_event_KeyEvent_VK_V,                'V'},
2842     {java_awt_event_KeyEvent_VK_W,                'W'},
2843     {java_awt_event_KeyEvent_VK_X,                'X'},
2844     {java_awt_event_KeyEvent_VK_Y,                'Y'},
2845     {java_awt_event_KeyEvent_VK_Z,                'Z'},
2846 
2847     // Standard numeric row
2848     {java_awt_event_KeyEvent_VK_0,                '0'},
2849     {java_awt_event_KeyEvent_VK_1,                '1'},
2850     {java_awt_event_KeyEvent_VK_2,                '2'},
2851     {java_awt_event_KeyEvent_VK_3,                '3'},
2852     {java_awt_event_KeyEvent_VK_4,                '4'},
2853     {java_awt_event_KeyEvent_VK_5,                '5'},
2854     {java_awt_event_KeyEvent_VK_6,                '6'},
2855     {java_awt_event_KeyEvent_VK_7,                '7'},
2856     {java_awt_event_KeyEvent_VK_8,                '8'},
2857     {java_awt_event_KeyEvent_VK_9,                '9'},
2858 
2859     // Misc key from main block
2860     {java_awt_event_KeyEvent_VK_ENTER,            VK_RETURN},
2861     {java_awt_event_KeyEvent_VK_SPACE,            VK_SPACE},
2862     {java_awt_event_KeyEvent_VK_BACK_SPACE,       VK_BACK},
2863     {java_awt_event_KeyEvent_VK_TAB,              VK_TAB},
2864     {java_awt_event_KeyEvent_VK_ESCAPE,           VK_ESCAPE},
2865 
2866     // NumPad with NumLock off & extended block (rectangular)
2867     {java_awt_event_KeyEvent_VK_INSERT,           VK_INSERT},
2868     {java_awt_event_KeyEvent_VK_DELETE,           VK_DELETE},
2869     {java_awt_event_KeyEvent_VK_HOME,             VK_HOME},
2870     {java_awt_event_KeyEvent_VK_END,              VK_END},
2871     {java_awt_event_KeyEvent_VK_PAGE_UP,          VK_PRIOR},
2872     {java_awt_event_KeyEvent_VK_PAGE_DOWN,        VK_NEXT},
2873     {java_awt_event_KeyEvent_VK_CLEAR,            VK_CLEAR}, // NumPad 5
2874 
2875     // NumPad with NumLock off & extended arrows block (triangular)
2876     {java_awt_event_KeyEvent_VK_LEFT,             VK_LEFT},
2877     {java_awt_event_KeyEvent_VK_RIGHT,            VK_RIGHT},
2878     {java_awt_event_KeyEvent_VK_UP,               VK_UP},
2879     {java_awt_event_KeyEvent_VK_DOWN,             VK_DOWN},
2880 
2881     // NumPad with NumLock on: numbers
2882     {java_awt_event_KeyEvent_VK_NUMPAD0,          VK_NUMPAD0},
2883     {java_awt_event_KeyEvent_VK_NUMPAD1,          VK_NUMPAD1},
2884     {java_awt_event_KeyEvent_VK_NUMPAD2,          VK_NUMPAD2},
2885     {java_awt_event_KeyEvent_VK_NUMPAD3,          VK_NUMPAD3},
2886     {java_awt_event_KeyEvent_VK_NUMPAD4,          VK_NUMPAD4},
2887     {java_awt_event_KeyEvent_VK_NUMPAD5,          VK_NUMPAD5},
2888     {java_awt_event_KeyEvent_VK_NUMPAD6,          VK_NUMPAD6},
2889     {java_awt_event_KeyEvent_VK_NUMPAD7,          VK_NUMPAD7},
2890     {java_awt_event_KeyEvent_VK_NUMPAD8,          VK_NUMPAD8},
2891     {java_awt_event_KeyEvent_VK_NUMPAD9,          VK_NUMPAD9},
2892 
2893     // NumPad with NumLock on
2894     {java_awt_event_KeyEvent_VK_MULTIPLY,         VK_MULTIPLY},
2895     {java_awt_event_KeyEvent_VK_ADD,              VK_ADD},
2896     {java_awt_event_KeyEvent_VK_SEPARATOR,        VK_SEPARATOR},
2897     {java_awt_event_KeyEvent_VK_SUBTRACT,         VK_SUBTRACT},
2898     {java_awt_event_KeyEvent_VK_DECIMAL,          VK_DECIMAL},
2899     {java_awt_event_KeyEvent_VK_DIVIDE,           VK_DIVIDE},
2900 
2901     // Functional keys
2902     {java_awt_event_KeyEvent_VK_F1,               VK_F1},
2903     {java_awt_event_KeyEvent_VK_F2,               VK_F2},
2904     {java_awt_event_KeyEvent_VK_F3,               VK_F3},
2905     {java_awt_event_KeyEvent_VK_F4,               VK_F4},
2906     {java_awt_event_KeyEvent_VK_F5,               VK_F5},
2907     {java_awt_event_KeyEvent_VK_F6,               VK_F6},
2908     {java_awt_event_KeyEvent_VK_F7,               VK_F7},
2909     {java_awt_event_KeyEvent_VK_F8,               VK_F8},
2910     {java_awt_event_KeyEvent_VK_F9,               VK_F9},
2911     {java_awt_event_KeyEvent_VK_F10,              VK_F10},
2912     {java_awt_event_KeyEvent_VK_F11,              VK_F11},
2913     {java_awt_event_KeyEvent_VK_F12,              VK_F12},
2914     {java_awt_event_KeyEvent_VK_F13,              VK_F13},
2915     {java_awt_event_KeyEvent_VK_F14,              VK_F14},
2916     {java_awt_event_KeyEvent_VK_F15,              VK_F15},
2917     {java_awt_event_KeyEvent_VK_F16,              VK_F16},
2918     {java_awt_event_KeyEvent_VK_F17,              VK_F17},
2919     {java_awt_event_KeyEvent_VK_F18,              VK_F18},
2920     {java_awt_event_KeyEvent_VK_F19,              VK_F19},
2921     {java_awt_event_KeyEvent_VK_F20,              VK_F20},
2922     {java_awt_event_KeyEvent_VK_F21,              VK_F21},
2923     {java_awt_event_KeyEvent_VK_F22,              VK_F22},
2924     {java_awt_event_KeyEvent_VK_F23,              VK_F23},
2925     {java_awt_event_KeyEvent_VK_F24,              VK_F24},
2926 
2927     {java_awt_event_KeyEvent_VK_PRINTSCREEN,      VK_SNAPSHOT},
2928     {java_awt_event_KeyEvent_VK_SCROLL_LOCK,      VK_SCROLL},
2929     {java_awt_event_KeyEvent_VK_PAUSE,            VK_PAUSE},
2930     {java_awt_event_KeyEvent_VK_CANCEL,           VK_CANCEL},
2931     {java_awt_event_KeyEvent_VK_HELP,             VK_HELP},
2932 
2933     // Japanese
2934     {java_awt_event_KeyEvent_VK_CONVERT,          VK_CONVERT},
2935     {java_awt_event_KeyEvent_VK_NONCONVERT,       VK_NONCONVERT},
2936     {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI},
2937     {java_awt_event_KeyEvent_VK_ALPHANUMERIC,     VK_DBE_ALPHANUMERIC},
2938     {java_awt_event_KeyEvent_VK_KATAKANA,         VK_DBE_KATAKANA},
2939     {java_awt_event_KeyEvent_VK_HIRAGANA,         VK_DBE_HIRAGANA},
2940     {java_awt_event_KeyEvent_VK_FULL_WIDTH,       VK_DBE_DBCSCHAR},
2941     {java_awt_event_KeyEvent_VK_HALF_WIDTH,       VK_DBE_SBCSCHAR},
2942     {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN},
2943 
2944     {java_awt_event_KeyEvent_VK_UNDEFINED,        0}
2945 };
2946 
2947 
2948 // Dynamic mapping table for OEM VK codes.  This table is refilled
2949 // by BuildDynamicKeyMapTable when keyboard layout is switched.
2950 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values).
2951 struct DynamicKeyMapEntry {
2952     UINT windowsKey;            // OEM VK codes known in advance
2953     UINT javaKey;               // depends on input langauge (kbd layout)
2954 };
2955 
2956 static DynamicKeyMapEntry dynamicKeyMapTable[] = {
2957     {0x00BA,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1
2958     {0x00BB,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS
2959     {0x00BC,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA
2960     {0x00BD,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS
2961     {0x00BE,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD
2962     {0x00BF,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2
2963     {0x00C0,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3
2964     {0x00DB,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4
2965     {0x00DC,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5
2966     {0x00DD,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6
2967     {0x00DE,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7
2968     {0x00DF,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8
2969     {0x00E2,  java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102
2970     {0, 0}
2971 };
2972 
2973 
2974 
2975 // Auxiliary tables used to fill the above dynamic table.  We first
2976 // find the character for the OEM VK code using ::MapVirtualKey and
2977 // then go through these auxiliary tables to map it to Java VK code.
2978 
2979 struct CharToVKEntry {
2980     WCHAR c;
2981     UINT  javaKey;
2982 };
2983 
2984 static const CharToVKEntry charToVKTable[] = {
2985     {L'!',   java_awt_event_KeyEvent_VK_EXCLAMATION_MARK},
2986     {L'"',   java_awt_event_KeyEvent_VK_QUOTEDBL},
2987     {L'#',   java_awt_event_KeyEvent_VK_NUMBER_SIGN},
2988     {L'$',   java_awt_event_KeyEvent_VK_DOLLAR},
2989     {L'&',   java_awt_event_KeyEvent_VK_AMPERSAND},
2990     {L'\'',  java_awt_event_KeyEvent_VK_QUOTE},
2991     {L'(',   java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS},
2992     {L')',   java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS},
2993     {L'*',   java_awt_event_KeyEvent_VK_ASTERISK},
2994     {L'+',   java_awt_event_KeyEvent_VK_PLUS},
2995     {L',',   java_awt_event_KeyEvent_VK_COMMA},
2996     {L'-',   java_awt_event_KeyEvent_VK_MINUS},
2997     {L'.',   java_awt_event_KeyEvent_VK_PERIOD},
2998     {L'/',   java_awt_event_KeyEvent_VK_SLASH},
2999     {L':',   java_awt_event_KeyEvent_VK_COLON},
3000     {L';',   java_awt_event_KeyEvent_VK_SEMICOLON},
3001     {L'<',   java_awt_event_KeyEvent_VK_LESS},
3002     {L'=',   java_awt_event_KeyEvent_VK_EQUALS},
3003     {L'>',   java_awt_event_KeyEvent_VK_GREATER},
3004     {L'@',   java_awt_event_KeyEvent_VK_AT},
3005     {L'[',   java_awt_event_KeyEvent_VK_OPEN_BRACKET},
3006     {L'\\',  java_awt_event_KeyEvent_VK_BACK_SLASH},
3007     {L']',   java_awt_event_KeyEvent_VK_CLOSE_BRACKET},
3008     {L'^',   java_awt_event_KeyEvent_VK_CIRCUMFLEX},
3009     {L'_',   java_awt_event_KeyEvent_VK_UNDERSCORE},
3010     {L'`',   java_awt_event_KeyEvent_VK_BACK_QUOTE},
3011     {L'{',   java_awt_event_KeyEvent_VK_BRACELEFT},
3012     {L'}',   java_awt_event_KeyEvent_VK_BRACERIGHT},
3013     {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK},
3014     {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ????
3015     {0,0}
3016 };
3017 
3018 // For dead accents some layouts return ASCII punctuation, while some
3019 // return spacing accent chars, so both should be listed.  NB: MS docs
3020 // say that conversion routings return spacing accent character, not
3021 // combining.
3022 static const CharToVKEntry charToDeadVKTable[] = {
3023     {L'`',   java_awt_event_KeyEvent_VK_DEAD_GRAVE},
3024     {L'\'',  java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3025     {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3026     {L'^',   java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX},
3027     {L'~',   java_awt_event_KeyEvent_VK_DEAD_TILDE},
3028     {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE},
3029     {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON},
3030     {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE},
3031     {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT},
3032     {L'"',   java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3033     {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3034     {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING},
3035     {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE},
3036     {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON},            // aka hacek
3037     {L',',   java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3038     {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3039     {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK},
3040     {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA},             // ASCII ???
3041     {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND},
3042     {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND},
3043     {0x0004, java_awt_event_KeyEvent_VK_COMPOSE},
3044     {0,0}
3045 };
3046 
3047 // The full map of the current keyboard state including
3048 // windows virtual key, scancode, java virtual key, and unicode
3049 // for this key sans modifiers.
3050 // All but first element may be 0.
3051 // XXX in the update releases this is an addition to the unchanged existing code
3052 struct DynPrimaryKeymapEntry {
3053     UINT wkey;
3054     UINT scancode;
3055     UINT jkey;
3056     WCHAR unicode;
3057 };
3058 
3059 static DynPrimaryKeymapEntry dynPrimaryKeymap[256];
3060 
3061 void
3062 AwtComponent::InitDynamicKeyMapTable()
3063 {
3064     static BOOL kbdinited = FALSE;
3065 
3066     if (!kbdinited) {
3067         AwtComponent::BuildDynamicKeyMapTable();
3068         // We cannot build it here since JNI is not available yet:
3069         //AwtComponent::BuildPrimaryDynamicTable();
3070         kbdinited = TRUE;
3071     }
3072 }
3073 
3074 void
3075 AwtComponent::BuildDynamicKeyMapTable()
3076 {
3077     HKL hkl = GetKeyboardLayout();
3078 
3079     DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)",
3080                     hkl, AwtComponent::GetCodePage());
3081 
3082     // Will need this to reset layout after dead keys.
3083     UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl);
3084 
3085     // Entries in dynamic table that maps between Java VK and Windows
3086     // VK are built in three steps:
3087     //   1. Map windows VK to ANSI character (cannot map to unicode
3088     //      directly, since ::ToUnicode is not implemented on win9x)
3089     //   2. Convert ANSI char to Unicode char
3090     //   3. Map Unicode char to Java VK via two auxilary tables.
3091 
3092     for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable;
3093          dynamic->windowsKey != 0;
3094          ++dynamic)
3095     {
3096         // Defaults to VK_UNDEFINED
3097         dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED;
3098 
3099         BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3100         AwtToolkit::GetKeyboardState(kbdState);
3101 
3102         kbdState[dynamic->windowsKey] |=  0x80; // Press the key.
3103 
3104         // Unpress modifiers, since they are most likely pressed as
3105         // part of the keyboard switching shortcut.
3106         kbdState[VK_CONTROL] &= ~0x80;
3107         kbdState[VK_SHIFT]   &= ~0x80;
3108         kbdState[VK_MENU]    &= ~0x80;
3109 
3110         char cbuf[2] = { '\0', '\0'};
3111         UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl);
3112         int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState,
3113                                  (WORD*)cbuf, 0, hkl);
3114 
3115         // Auxiliary table used to map Unicode character to Java VK.
3116         // Will assign a different table for dead keys (below).
3117         const CharToVKEntry *charMap = charToVKTable;
3118 
3119         if (nchars < 0) { // Dead key
3120             // Use a different table for dead chars since different layouts
3121             // return different characters for the same dead key.
3122             charMap = charToDeadVKTable;
3123 
3124             // We also need to reset layout so that next translation
3125             // is unaffected by the dead status.  We do this by
3126             // translating <SPACE> key.
3127             kbdState[dynamic->windowsKey] &= ~0x80;
3128             kbdState[VK_SPACE] |= 0x80;
3129 
3130             char junkbuf[2] = { '\0', '\0'};
3131             ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState,
3132                         (WORD*)junkbuf, 0, hkl);
3133         }
3134 
3135 #ifdef DEBUG
3136         if (nchars == 0) {
3137             DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char",
3138                             dynamic->windowsKey);
3139             continue;
3140         }
3141         else if (nchars > 1) {  // can't happen, see reset code below
3142             DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>",
3143                             dynamic->windowsKey,
3144                             (UCHAR)cbuf[0], (UCHAR)cbuf[1]);
3145             continue;
3146         }
3147 #endif
3148 
3149         WCHAR ucbuf[2] = { L'\0', L'\0' };
3150         int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0,
3151                                                cbuf, 1, ucbuf, 2);
3152 #ifdef DEBUG
3153         if (nconverted < 0) {
3154             DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)",
3155                             dynamic->windowsKey, (UCHAR)cbuf[0],
3156                             ::GetLastError());
3157             continue;
3158         }
3159 #endif
3160 
3161         WCHAR uc = ucbuf[0];
3162         for (const CharToVKEntry *map = charMap;  map->c != 0;  ++map) {
3163             if (uc == map->c) {
3164                 dynamic->javaKey = map->javaKey;
3165                 break;
3166             }
3167         }
3168 
3169         DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X",
3170                         dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0],
3171                         dynamic->javaKey);
3172     } // for each VK_OEM_*
3173 }
3174 
3175 
3176 static BOOL isKanaLockAvailable()
3177 {
3178     // This method is to determine whether the Kana Lock feature is
3179     // available on the attached keyboard.  Kana Lock feature does not
3180     // necessarily require that the real KANA keytop is available on
3181     // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing.
3182     // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :-
3183     //
3184     // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL)
3185     // - the keyboard is Japanese keyboard (keyboard type == 7).
3186     return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT))
3187         && (GetKeyboardType(0) == 7);
3188 }
3189 
3190 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey,
3191                                        UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey)
3192 {
3193     // Handle the few cases where a Java VK code corresponds to a Windows
3194     // key/modifier combination or applies only to specific keyboard layouts
3195     switch (javaKey) {
3196         case java_awt_event_KeyEvent_VK_ALL_CANDIDATES:
3197             *windowsKey = VK_CONVERT;
3198             *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3199             return;
3200         case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE:
3201             *windowsKey = VK_CONVERT;
3202             *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3203             return;
3204         case java_awt_event_KeyEvent_VK_CODE_INPUT:
3205             *windowsKey = VK_DBE_ALPHANUMERIC;
3206             *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3207             return;
3208         case java_awt_event_KeyEvent_VK_KANA_LOCK:
3209             if (isKanaLockAvailable()) {
3210                 *windowsKey = VK_KANA;
3211                 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK;
3212                 return;
3213             }
3214     }
3215 
3216     // for the general case, use a bi-directional table
3217     for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3218         if (keyMapTable[i].javaKey == javaKey) {
3219             *windowsKey = keyMapTable[i].windowsKey;
3220             *modifiers = 0;
3221             return;
3222         }
3223     }
3224 
3225     // Bug 4766655
3226     // Two Windows keys could map to the same Java key, so
3227     // give preference to the originalWindowsKey if it is
3228     // specified (not IGNORE_KEY).
3229     if (originalWindowsKey == IGNORE_KEY) {
3230         for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3231             if (dynamicKeyMapTable[j].javaKey == javaKey) {
3232                 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3233                 *modifiers = 0;
3234                 return;
3235             }
3236         }
3237     } else {
3238         BOOL found = false;
3239         for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3240             if (dynamicKeyMapTable[j].javaKey == javaKey) {
3241                 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3242                 *modifiers = 0;
3243                 found = true;
3244                 if (*windowsKey == originalWindowsKey) {
3245                     return;   /* if ideal case found return, else keep looking */
3246                 }
3247             }
3248         }
3249         if (found) {
3250             return;
3251         }
3252     }
3253 
3254     *windowsKey = 0;
3255     *modifiers = 0;
3256     return;
3257 }
3258 
3259 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey)
3260 
3261 {
3262     // Handle the few cases where we need to take the modifier into
3263     // consideration for the Java VK code or where we have to take the keyboard
3264     // layout into consideration so that function keys can get
3265     // recognized in a platform-independent way.
3266     switch (windowsKey) {
3267         case VK_CONVERT:
3268             if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3269                 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES;
3270             }
3271             if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) {
3272                 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE;
3273             }
3274             break;
3275         case VK_DBE_ALPHANUMERIC:
3276             if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3277                 return java_awt_event_KeyEvent_VK_CODE_INPUT;
3278             }
3279             break;
3280         case VK_KANA:
3281             if (isKanaLockAvailable()) {
3282                 return java_awt_event_KeyEvent_VK_KANA_LOCK;
3283             }
3284             break;
3285     };
3286 
3287     // check dead key
3288     if (isDeadKey) {
3289       for (int i = 0; charToDeadVKTable[i].c != 0; i++) {
3290         if (charToDeadVKTable[i].c == character) {
3291             return charToDeadVKTable[i].javaKey;
3292         }
3293       }
3294     }
3295 
3296     // for the general case, use a bi-directional table
3297     for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3298         if (keyMapTable[i].windowsKey == windowsKey) {
3299             return keyMapTable[i].javaKey;
3300         }
3301     }
3302 
3303     for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3304         if (dynamicKeyMapTable[j].windowsKey == windowsKey) {
3305             if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) {
3306                 return dynamicKeyMapTable[j].javaKey;
3307             }else{
3308                 break;
3309             }
3310         }
3311     }
3312 
3313     return java_awt_event_KeyEvent_VK_UNDEFINED;
3314 }
3315 
3316 BOOL AwtComponent::IsNavigationKey(UINT wkey) {
3317     switch (wkey) {
3318       case VK_END:
3319       case VK_PRIOR:  // PageUp
3320       case VK_NEXT:  // PageDown
3321       case VK_HOME:
3322       case VK_LEFT:
3323       case VK_UP:
3324       case VK_RIGHT:
3325       case VK_DOWN:
3326           return TRUE;
3327     }
3328     return FALSE;
3329 }
3330 
3331 // determine if a key is a numpad key (distinguishes the numpad
3332 // arrow keys from the non-numpad arrow keys, for example).
3333 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended)
3334 {
3335     // Note: scancodes are the same for the numpad arrow keys and
3336     // the non-numpad arrow keys (also for PageUp, etc.).
3337     // The scancodes for the numpad divide and the non-numpad slash
3338     // are the same, but the wparams are different
3339 
3340     DTRACE_PRINTLN3("AwtComponent::IsNumPadKey  vkey = %d = 0x%x  extended = %d",
3341       vkey, vkey, extended);
3342 
3343     switch (vkey) {
3344       case VK_CLEAR:  // numpad 5 with numlock off
3345       case VK_NUMPAD0:
3346       case VK_NUMPAD1:
3347       case VK_NUMPAD2:
3348       case VK_NUMPAD3:
3349       case VK_NUMPAD4:
3350       case VK_NUMPAD5:
3351       case VK_NUMPAD6:
3352       case VK_NUMPAD7:
3353       case VK_NUMPAD8:
3354       case VK_NUMPAD9:
3355       case VK_MULTIPLY:
3356       case VK_ADD:
3357       case VK_SEPARATOR:  // numpad ,  not on US kbds
3358       case VK_SUBTRACT:
3359       case VK_DECIMAL:
3360       case VK_DIVIDE:
3361       case VK_NUMLOCK:
3362         return TRUE;
3363         break;
3364       case VK_END:
3365       case VK_PRIOR:  // PageUp
3366       case VK_NEXT:  // PageDown
3367       case VK_HOME:
3368       case VK_LEFT:
3369       case VK_UP:
3370       case VK_RIGHT:
3371       case VK_DOWN:
3372       case VK_INSERT:
3373       case VK_DELETE:
3374         // extended if non-numpad
3375         return (!extended);
3376         break;
3377       case VK_RETURN:  // extended if on numpad
3378         return (extended);
3379         break;
3380       default:
3381         break;
3382     }
3383 
3384     return FALSE;
3385 }
3386 static void
3387 resetKbdState( BYTE kstate[256]) {
3388     BYTE tmpState[256];
3389     WCHAR wc[2];
3390     memmove(tmpState, kstate, sizeof(kstate));
3391     tmpState[VK_SHIFT] = 0;
3392     tmpState[VK_CONTROL] = 0;
3393     tmpState[VK_MENU] = 0;
3394 
3395     ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0,  GetKeyboardLayout(0));
3396 }
3397 
3398 // XXX in the update releases this is an addition to the unchanged existing code
3399 // After the call, a table will have a unicode associated with a windows virtual keycode
3400 // sans modifiers. With some further simplification, one can
3401 // derive java keycode from it, and anyway we will pass this unicode value
3402 // all the way up in a comment to a KeyEvent.
3403 void
3404 AwtComponent::BuildPrimaryDynamicTable() {
3405     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3406     // XXX: how about that?
3407     //CriticalSection::Lock l(GetLock());
3408     //if (GetPeer(env) == NULL) {
3409     //    /* event received during termination. */
3410     //    return;
3411     //}
3412 
3413     HKL hkl = GetKeyboardLayout();
3414     UINT sc = 0;
3415     BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3416     memset(kbdState, 0, sizeof (kbdState));
3417 
3418     // Use JNI call to obtain java key code. We should keep a list
3419     // of currently available keycodes in a single place.
3420     static jclass extKeyCodesCls;
3421     if( extKeyCodesCls == NULL) {
3422         jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes");
3423         DASSERT(extKeyCodesClsLocal);
3424         CHECK_NULL(extKeyCodesClsLocal);
3425         extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal);
3426         env->DeleteLocalRef(extKeyCodesClsLocal);
3427     }
3428     static jmethodID getExtendedKeyCodeForChar;
3429     if (getExtendedKeyCodeForChar == NULL) {
3430         getExtendedKeyCodeForChar =
3431                   env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I");
3432         DASSERT(getExtendedKeyCodeForChar);
3433         CHECK_NULL(getExtendedKeyCodeForChar);
3434     }
3435     jint extJKC; //extended Java key code
3436 
3437     for (UINT i = 0; i < 256; i++) {
3438         dynPrimaryKeymap[i].wkey = i;
3439         dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED;
3440         dynPrimaryKeymap[i].unicode = 0;
3441 
3442         if ((sc = MapVirtualKey (i, 0)) == 0) {
3443             dynPrimaryKeymap[i].scancode = 0;
3444             continue;
3445         }
3446         dynPrimaryKeymap[i].scancode = sc;
3447 
3448         // XXX process cases like VK_SHIFT etc.
3449         kbdState[i] = 0x80; // "key pressed".
3450         WCHAR wc[16];
3451         int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl);
3452         if (k == 1) {
3453             // unicode
3454             dynPrimaryKeymap[i].unicode = wc[0];
3455             if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3456             // Convert unicode to java keycode.
3457                 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000);
3458                 //
3459                 //XXX If this key in on the keypad, we should force a special value equal to
3460                 //XXX an old java keycode: but how to say if it is a keypad key?
3461                 //XXX We'll do it in WmKeyUp/Down.
3462                 extJKC = env->CallStaticIntMethod(extKeyCodesCls,
3463                                                   getExtendedKeyCodeForChar, (jint)(wc[0]));
3464                 dynPrimaryKeymap[i].jkey = extJKC;
3465             }
3466         }else if (k == -1) {
3467             // dead key: use charToDeadVKTable
3468             dynPrimaryKeymap[i].unicode = wc[0];
3469             resetKbdState( kbdState );
3470             for (const CharToVKEntry *map = charToDeadVKTable;  map->c != 0;  ++map) {
3471                 if (wc[0] == map->c) {
3472                     dynPrimaryKeymap[i].jkey = map->javaKey;
3473                     break;
3474                 }
3475             }
3476         } else if (k == 0) {
3477             // reset
3478             resetKbdState( kbdState );
3479         }else {
3480             // k > 1: this key does generate multiple characters. Ignore it.
3481             // An example: Arabic Lam and Alef ligature.
3482             // There will be no extended keycode and thus shortcuts for this  key.
3483             // XXX shouldn't we reset the kbd state?
3484 #ifdef DEBUG
3485             DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i);
3486 #endif
3487         }
3488         kbdState[i] = 0; // "key unpressed"
3489     }
3490 }
3491 void
3492 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers)
3493 {
3494     if( wkey && wkey < 256 ) {
3495         if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) {
3496             // At the creation time,
3497             // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /"
3498             dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3499         }
3500         if(dynPrimaryKeymap[wkey].jkey ==  java_awt_event_KeyEvent_VK_UNDEFINED) {
3501             // E.g. it is non-unicode key
3502             dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3503         }
3504     }
3505 }
3506 
3507 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey)
3508 {
3509     static Hashtable transTable("VKEY translations");
3510     static Hashtable deadKeyFlagTable("Dead Key Flags");
3511     isDeadKey = FALSE;
3512 
3513     // Try to translate using last saved translation
3514     if (ops == LOAD) {
3515        void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3516        void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3517        if (value != NULL) {
3518            isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag));
3519            return static_cast<UINT>(reinterpret_cast<INT_PTR>(value));
3520        }
3521     }
3522 
3523     // If the windows key is a return, wkey will equal 13 ('\r')
3524     // In this case, we want to return 10 ('\n')
3525     // Since ToAscii would convert VK_RETURN to '\r', we need
3526     // to have a special case here.
3527     if (wkey == VK_RETURN)
3528         return '\n';
3529 
3530     // high order bit in keyboardState indicates whether the key is down
3531     static const BYTE KEY_STATE_DOWN = 0x80;
3532     BYTE    keyboardState[AwtToolkit::KB_STATE_SIZE];
3533     AwtToolkit::GetKeyboardState(keyboardState);
3534 
3535     // apply modifiers to keyboard state if necessary
3536     BOOL shiftIsDown = FALSE;
3537     if (modifiers) {
3538         shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3539         BOOL altIsDown = modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK;
3540         BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK;
3541 
3542         // Windows treats AltGr as Ctrl+Alt
3543         if (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK) {
3544             altIsDown = TRUE;
3545             ctrlIsDown = TRUE;
3546         }
3547 
3548         if (shiftIsDown) {
3549             keyboardState[VK_SHIFT] |= KEY_STATE_DOWN;
3550         }
3551 
3552         // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715)
3553         // Here we try to resolve a conflict with ::ToAsciiEx's translating
3554         // ALT+number key combinations. kdm@sarc.spb.su
3555         // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail.
3556         if( IsNavigationKey(wkey) ) {
3557             keyboardState[VK_MENU] &= ~KEY_STATE_DOWN;
3558         }
3559 
3560         if (ctrlIsDown)
3561         {
3562             if (altIsDown) {
3563                 // bugid 4215009: don't mess with AltGr == Ctrl + Alt
3564                 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3565             }
3566             else {
3567                 // bugid 4098210: old event model doesn't have KEY_TYPED
3568                 // events, so try to provide a meaningful character for
3569                 // Ctrl+<key>.  Take Ctrl into account only when we know
3570                 // that Ctrl+<key> will be an ASCII control.  Ignore by
3571                 // default.
3572                 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN;
3573 
3574                 // Letters have Ctrl+<letter> counterparts.  According to
3575                 // <winuser.h> VK_A through VK_Z are the same as ASCII
3576                 // 'A' through 'Z'.
3577                 if (wkey >= 'A' && wkey <= 'Z') {
3578                     keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3579                 }
3580                 else {
3581                     // Non-letter controls 033 to 037 are:
3582                     // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US)
3583 
3584                     // Shift state bits returned by ::VkKeyScan in HIBYTE
3585                     static const UINT _VKS_SHIFT_MASK = 0x01;
3586                     static const UINT _VKS_CTRL_MASK = 0x02;
3587                     static const UINT _VKS_ALT_MASK = 0x04;
3588 
3589                     // Check to see whether there is a meaningful translation
3590                     TCHAR ch;
3591                     short vk;
3592                     for (ch = _T('\033'); ch < _T('\040'); ch++) {
3593                         vk = ::VkKeyScan(ch);
3594                         if (wkey == LOBYTE(vk)) {
3595                             UINT shiftState = HIBYTE(vk);
3596                             if ((shiftState & _VKS_CTRL_MASK) ||
3597                                 (!(shiftState & _VKS_SHIFT_MASK)
3598                                 == !shiftIsDown))
3599                             {
3600                                 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3601                             }
3602                             break;
3603                         }
3604                     }
3605                 }
3606             } // ctrlIsDown && altIsDown
3607         } // ctrlIsDown
3608     } // modifiers
3609 
3610     WORD wChar[2];
3611     int converted = 1;
3612     UINT ch = ::MapVirtualKeyEx(wkey, 2, GetKeyboardLayout());
3613     if (ch & 0x80000000) {
3614         // Dead key which is handled as a normal key
3615         isDeadKey = deadKeyActive = TRUE;
3616     } else if (deadKeyActive) {
3617         // We cannot use ::ToUnicodeEx if dead key is active because this will
3618         // break dead key function
3619         wChar[0] = shiftIsDown ? ch : tolower(ch);
3620     } else {
3621         UINT scancode = ::MapVirtualKey(wkey, 0);
3622         converted = ::ToUnicodeEx(wkey, scancode, keyboardState,
3623                                               wChar, 2, 0, GetKeyboardLayout());
3624     }
3625 
3626     UINT translation;
3627     BOOL deadKeyFlag = (converted == 2);
3628 
3629     // Dead Key
3630     if (converted < 0 || isDeadKey) {
3631         translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3632     } else
3633     // No translation available -- try known conversions or else punt.
3634     if (converted == 0) {
3635         if (wkey == VK_DELETE) {
3636             translation = '\177';
3637         } else
3638         if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) {
3639             translation = '0' + wkey - VK_NUMPAD0;
3640         } else {
3641             translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3642         }
3643     } else
3644     // the caller expects a Unicode character.
3645     if (converted > 0) {
3646         translation = wChar[0];
3647     }
3648     if (ops == SAVE) {
3649         transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3650                        reinterpret_cast<void*>(static_cast<INT_PTR>(translation)));
3651         if (deadKeyFlag) {
3652             deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3653                          reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag)));
3654         } else {
3655             deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3656         }
3657     }
3658 
3659     isDeadKey = deadKeyFlag;
3660     return translation;
3661 }
3662 
3663 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt,
3664                                    UINT flags, BOOL system)
3665 {
3666     // VK_PROCESSKEY is a special value which means
3667     //          "Current IME wants to consume this KeyEvent"
3668     // Real key code is saved by IMM32.DLL and can be retrieved by
3669     // calling ImmGetVirtualKey();
3670     if (wkey == VK_PROCESSKEY) {
3671         return mrDoDefault;
3672     }
3673     MSG msg;
3674     InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN),
3675                              wkey, MAKELPARAM(repCnt, flags));
3676 
3677     UINT modifiers = GetJavaModifiers();
3678     jint keyLocation = GetKeyLocation(wkey, flags);
3679     BOOL isDeadKey = FALSE;
3680     UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey);
3681     UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3682     UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3683 
3684 
3685     SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED,
3686                              ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3687                              modifiers, keyLocation, (jlong)wkey, &msg);
3688 
3689     // bugid 4724007: Windows does not create a WM_CHAR for the Del key
3690     // for some reason, so we need to create the KEY_TYPED event on the
3691     // WM_KEYDOWN.  Use null msg so the character doesn't get sent back
3692     // to the native window for processing (this event is synthesized
3693     // for Java - we don't want Windows trying to process it).
3694     if (jkey == java_awt_event_KeyEvent_VK_DELETE) {
3695         SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3696                                  ::JVM_CurrentTimeMillis(NULL, 0),
3697                                  java_awt_event_KeyEvent_VK_UNDEFINED,
3698                                  character, modifiers,
3699                                  java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0);
3700     }
3701 
3702     return mrConsume;
3703 }
3704 
3705 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt,
3706                                  UINT flags, BOOL system)
3707 {
3708 
3709     // VK_PROCESSKEY is a special value which means
3710     //          "Current IME wants to consume this KeyEvent"
3711     // Real key code is saved by IMM32.DLL and can be retrieved by
3712     // calling ImmGetVirtualKey();
3713     if (wkey == VK_PROCESSKEY) {
3714         return mrDoDefault;
3715     }
3716     MSG msg;
3717     InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP),
3718                              wkey, MAKELPARAM(repCnt, flags));
3719 
3720     UINT modifiers = GetJavaModifiers();
3721     jint keyLocation = GetKeyLocation(wkey, flags);
3722     BOOL isDeadKey = FALSE;
3723     UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey);
3724     UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3725     UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3726 
3727     SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED,
3728                              ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3729                              modifiers, keyLocation, (jlong)wkey, &msg);
3730     return mrConsume;
3731 }
3732 
3733 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout)
3734 {
3735     // Normally we would be able to use charset and TranslateCharSetInfo
3736     // to get a code page that should be associated with this keyboard
3737     // layout change. However, there seems to be an NT 4.0 bug associated
3738     // with the WM_INPUTLANGCHANGE message, which makes the charset parameter
3739     // unreliable, especially on Asian systems. Our workaround uses the
3740     // keyboard layout handle instead.
3741     m_hkl = hKeyboardLayout;
3742     m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID
3743     m_CodePage = LangToCodePage(m_idLang);
3744     BuildDynamicKeyMapTable();  // compute new mappings for VK_OEM
3745     BuildPrimaryDynamicTable();
3746     return mrConsume;           // do not propagate to children
3747 }
3748 
3749 // Convert Language ID to CodePage
3750 UINT AwtComponent::LangToCodePage(LANGID idLang)
3751 {
3752     TCHAR strCodePage[MAX_ACP_STR_LEN];
3753     // use the LANGID to create a LCID
3754     LCID idLocale = MAKELCID(idLang, SORT_DEFAULT);
3755     // get the ANSI code page associated with this locale
3756     if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 )
3757         return _ttoi(strCodePage);
3758     else
3759         return GetACP();
3760 }
3761 
3762 
3763 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system)
3764 {
3765     // We will simply create Java events here.
3766     WCHAR unicodeChar = character;
3767     MSG msg;
3768     InitMessage(&msg, WM_IME_CHAR, character,
3769                               MAKELPARAM(repCnt, flags));
3770 
3771     jint modifiers = GetJavaModifiers();
3772     SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3773                              ::JVM_CurrentTimeMillis(NULL, 0),
3774                              java_awt_event_KeyEvent_VK_UNDEFINED,
3775                              unicodeChar, modifiers,
3776                              java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3777                              &msg);
3778     return mrConsume;
3779 }
3780 
3781 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags,
3782                                 BOOL system)
3783 {
3784     deadKeyActive = FALSE;
3785 
3786     // Will only get WmChar messages with DBCS if we create them for
3787     // an Edit class in the WmForwardChar method. These synthesized
3788     // DBCS chars are ok to pass on directly to the default window
3789     // procedure. They've already been filtered through the Java key
3790     // event queue. We will never get the trail byte since the edit
3791     // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR,
3792     // PM_REMOVE).  I would like to be able to pass this character off
3793     // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to
3794     // like that.
3795 
3796     // We will simply create Java events here.
3797     UINT message = system ? WM_SYSCHAR : WM_CHAR;
3798 
3799     // The Alt modifier is reported in the 29th bit of the lParam,
3800     // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)).
3801     bool alt_is_down = (flags & (1<<13)) != 0;
3802 
3803     // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu
3804     // We should not pass this particular combination to Java.
3805 
3806     if (system && alt_is_down) {
3807         if (character == VK_SPACE) {
3808             return mrDoDefault;
3809         }
3810     }
3811 
3812     // If this is a WM_CHAR (non-system) message, then the Alt flag
3813     // indicates that the character was typed using an AltGr key
3814     // (which Windows treats as Ctrl+Alt), so in this case we do NOT
3815     // pass the Ctrl and Alt modifiers to Java, but instead we
3816     // replace them with Java's AltGraph modifier.  Note: the AltGraph
3817     // modifier does not exist in 1.1.x releases.
3818     jint modifiers = GetJavaModifiers();
3819     if (!system && alt_is_down) {
3820         // character typed with AltGraph
3821         modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK
3822                        | java_awt_event_InputEvent_CTRL_DOWN_MASK);
3823         modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
3824     }
3825 
3826     WCHAR unicodeChar = character;
3827 
3828     // Kludge: Combine pending single byte with this char for some Chinese IMEs
3829     if (m_PendingLeadByte != 0) {
3830         character = (m_PendingLeadByte & 0x00ff) | (character << 8);
3831         m_PendingLeadByte = 0;
3832         ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2,
3833                           &unicodeChar, 1);
3834     }
3835 
3836     if (unicodeChar == VK_RETURN) {
3837         // Enter key generates \r in windows, but \n is required in java
3838         unicodeChar = java_awt_event_KeyEvent_VK_ENTER;
3839     }
3840     MSG msg;
3841     InitMessage(&msg, message, character,
3842                               MAKELPARAM(repCnt, flags));
3843     SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3844                              ::JVM_CurrentTimeMillis(NULL, 0),
3845                              java_awt_event_KeyEvent_VK_UNDEFINED,
3846                              unicodeChar, modifiers,
3847                              java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3848                              &msg);
3849     return mrConsume;
3850 }
3851 
3852 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam,
3853                                        BOOL synthetic)
3854 {
3855     // just post WM_CHAR with unicode key value
3856     DefWindowProc(WM_CHAR, (WPARAM)character, lParam);
3857     return mrConsume;
3858 }
3859 
3860 MsgRouting AwtComponent::WmPaste()
3861 {
3862     return mrDoDefault;
3863 }
3864 
3865 // support IME Composition messages
3866 void AwtComponent::SetCompositionWindow(RECT& r)
3867 {
3868     HWND hwnd = ImmGetHWnd();
3869     HIMC hIMC = ImmGetContext(hwnd);
3870     if (hIMC == NULL) {
3871         return;
3872     }
3873     COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}};
3874     ImmSetCompositionWindow(hIMC, &cf);
3875     ImmReleaseContext(hwnd, hIMC);
3876 }
3877 
3878 void AwtComponent::OpenCandidateWindow(int x, int y)
3879 {
3880     UINT bits = 1;
3881     POINT p = {0, 0}; // upper left corner of the client area
3882     HWND hWnd = GetHWnd();
3883     if (!::IsWindowVisible(hWnd)) {
3884         return;
3885     }
3886     HWND hTop = GetTopLevelParentForWindow(hWnd);
3887     ::ClientToScreen(hTop, &p);


3888     if (!m_bitsCandType) {
3889         SetCandidateWindow(m_bitsCandType, x - p.x, y - p.y);
3890         return;
3891     }
3892     for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) {
3893         if ( m_bitsCandType & bits )
3894             SetCandidateWindow(iCandType, x - p.x, y - p.y);
3895     }
3896 }
3897 
3898 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3899 {
3900     HWND hwnd = ImmGetHWnd();
3901     HIMC hIMC = ImmGetContext(hwnd);
3902     if (hIMC) {
3903         CANDIDATEFORM cf;
3904         cf.dwStyle = CFS_POINT;
3905         ImmGetCandidateWindow(hIMC, 0, &cf);
3906         if (x != cf.ptCurrentPos.x || y != cf.ptCurrentPos.y) {
3907             cf.dwIndex = iCandType;
3908             cf.dwStyle = CFS_POINT;
3909             cf.ptCurrentPos = {x, y};
3910             cf.rcArea = {0, 0, 0, 0};
3911             ImmSetCandidateWindow(hIMC, &cf);
3912         }
3913         COMPOSITIONFORM cfr;
3914         cfr.dwStyle = CFS_POINT;
3915         ImmGetCompositionWindow(hIMC, &cfr);
3916         if (x != cfr.ptCurrentPos.x || y != cfr.ptCurrentPos.y) {
3917             cfr.dwStyle = CFS_POINT;
3918             cfr.ptCurrentPos = {x, y};
3919             cfr.rcArea = {0, 0, 0, 0};
3920             ImmSetCompositionWindow(hIMC, &cfr);
3921         }
3922         ImmReleaseContext(hwnd, hIMC);
3923     }
3924 }
3925 
3926 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3927 {
3928     // If the Windows input context is disabled, do not let Windows
3929     // display any UIs.
3930     HWND hwnd = ImmGetHWnd();
3931     HIMC hIMC = ImmGetContext(hwnd);
3932     if (hIMC == NULL) {
3933         *lplParam = 0;
3934         return mrDoDefault;
3935     }
3936     ImmReleaseContext(hwnd, hIMC);
3937 
3938     if (fSet) {
3939         LPARAM lParam = *lplParam;
3940         if (!m_useNativeCompWindow) {
3941             // stop to draw native composing window.
3942             *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3943         }
3944     }
3945     return mrDoDefault;
3946 }
3947 
3948 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3949 {
3950     if (!m_useNativeCompWindow) {
3951         if (subMsg == IMN_OPENCANDIDATE || subMsg == IMN_CHANGECANDIDATE) {
3952             m_bitsCandType = bitsCandType;
3953             InquireCandidatePosition();
3954         } else if (subMsg == IMN_OPENSTATUSWINDOW ||
3955                    subMsg == WM_IME_STARTCOMPOSITION ||
3956                    subMsg == IMN_SETCANDIDATEPOS) {
3957             InquireCandidatePosition();
3958         }
3959     }
3960     return mrDoDefault;
3961 }
3962 
3963 MsgRouting AwtComponent::WmImeStartComposition()
3964 {
3965     if (m_useNativeCompWindow) {
3966         RECT rc;
3967         ::GetClientRect(GetHWnd(), &rc);
3968         SetCompositionWindow(rc);
3969         return mrDoDefault;
3970     } else
3971         return mrConsume;
3972 }
3973 
3974 MsgRouting AwtComponent::WmImeEndComposition()
3975 {
3976     if (m_useNativeCompWindow)   return mrDoDefault;
3977 
3978     SendInputMethodEvent(
3979         java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3980         NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3981     return mrConsume;
3982 }
3983 
3984 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3985 {
3986     if (m_useNativeCompWindow)   return mrDoDefault;
3987 
3988     int*      bndClauseW = NULL;
3989     jstring*  readingClauseW = NULL;
3990     int*      bndAttrW = NULL;
3991     BYTE*     valAttrW = NULL;
3992     int       cClauseW = 0;
3993     AwtInputTextInfor* textInfor = NULL;
3994 
3995     try {
3996         HWND hwnd = ImmGetHWnd();
3997         HIMC hIMC = ImmGetContext(hwnd);
3998         DASSERT(hIMC!=0);
3999 
4000         textInfor = new AwtInputTextInfor;
4001         textInfor->GetContextData(hIMC, flags);
4002         ImmReleaseContext(hwnd, hIMC);
4003 
4004         jstring jtextString = textInfor->GetText();
4005         /* The conditions to send the input method event to AWT EDT are:
4006            1. Whenever there is a composition message sent regarding whether
4007            the composition text is NULL or not. See details at bug 6222692.
4008            2. When there is a committed message sent, in which case, we have to
4009            check whether the committed string is NULL or not. If the committed string
4010            is NULL, there is no need to send any input method event.
4011            (Minor note: 'jtextString' returned is the merged string in the case of
4012            partial commit.)
4013         */
4014         if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
4015             (flags & GCS_COMPSTR)) {
4016             int       cursorPosW = textInfor->GetCursorPosition();
4017             // In order not to delete the readingClauseW in the catch clause,
4018             // calling GetAttributeInfor before GetClauseInfor.
4019             int       cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
4020             cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
4021 
4022             /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
4023                the event to AWT EDT.
4024 
4025                The last two paremeters are set to equal since we don't have recommendations for
4026                the visible position within the current composed text. See details at
4027                java.awt.event.InputMethodEvent.
4028             */
4029             SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
4030                                  jtextString,
4031                                  cClauseW, bndClauseW, readingClauseW,
4032                                  cAttrW, bndAttrW, valAttrW,
4033                                  textInfor->GetCommittedTextLength(),
4034                                  cursorPosW, cursorPosW);
4035         }
4036     } catch (...) {
4037         // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
4038         // the pointer here.
4039         delete [] bndClauseW;
4040         delete [] readingClauseW;
4041         delete [] bndAttrW;
4042         delete [] valAttrW;
4043         throw;
4044     }
4045 
4046     /* Free the storage allocated. Since jtextString won't be passed from threads
4047      *  to threads, we just use the local ref and it will be deleted within the destructor
4048      *  of AwtInputTextInfor object.
4049      */
4050     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4051     if (cClauseW && readingClauseW) {
4052         for (int i = 0; i < cClauseW; i ++) {
4053             if (readingClauseW[i]) {
4054                 env->DeleteLocalRef(readingClauseW[i]);
4055             }
4056         }
4057     }
4058     delete [] bndClauseW;
4059     delete [] readingClauseW;
4060     delete [] bndAttrW;
4061     delete [] valAttrW;
4062     delete textInfor;
4063 
4064     return mrConsume;
4065 }
4066 
4067 //
4068 // generate and post InputMethodEvent
4069 //
4070 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
4071                                         int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
4072                                         int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
4073                                         int commitedTextLength, int caretPos, int visiblePos)
4074 {
4075     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4076 
4077     // assumption for array type casting
4078     DASSERT(sizeof(int)==sizeof(jint));
4079     DASSERT(sizeof(BYTE)==sizeof(jbyte));
4080 
4081     // caluse information
4082     jintArray clauseBoundary = NULL;
4083     jobjectArray clauseReading = NULL;
4084     if (cClause && rgClauseBoundary && rgClauseReading) {
4085         // convert clause boundary offset array to java array
4086         clauseBoundary = env->NewIntArray(cClause+1);
4087         DASSERT(clauseBoundary);
4088         CHECK_NULL(clauseBoundary);
4089         env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
4090         DASSERT(!safe_ExceptionOccurred(env));
4091 
4092         // convert clause reading string array to java array
4093         jclass stringCls = JNU_ClassString(env);
4094         DASSERT(stringCls);
4095         CHECK_NULL(stringCls);
4096         clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
4097         DASSERT(clauseReading);
4098         CHECK_NULL(clauseReading);
4099         for (int i=0; i<cClause; i++)   env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
4100         DASSERT(!safe_ExceptionOccurred(env));
4101     }
4102 
4103 
4104     // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
4105     DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
4106     DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
4107     DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
4108     DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
4109     DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
4110 
4111     // attribute information
4112     jintArray attrBoundary = NULL;
4113     jbyteArray attrValue = NULL;
4114     if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
4115         // convert attribute boundary offset array to java array
4116         attrBoundary = env->NewIntArray(cAttrBlock+1);
4117         DASSERT(attrBoundary);
4118         CHECK_NULL(attrBoundary);
4119         env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
4120         DASSERT(!safe_ExceptionOccurred(env));
4121 
4122         // convert attribute value byte array to java array
4123         attrValue = env->NewByteArray(cAttrBlock);
4124         DASSERT(attrValue);
4125         CHECK_NULL(attrValue);
4126         env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
4127         DASSERT(!safe_ExceptionOccurred(env));
4128     }
4129 
4130 
4131     // get global reference of WInputMethod class (run only once)
4132     static jclass wInputMethodCls = NULL;
4133     if (wInputMethodCls == NULL) {
4134         jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4135         DASSERT(wInputMethodClsLocal);
4136         CHECK_NULL(wInputMethodClsLocal);
4137         wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4138         env->DeleteLocalRef(wInputMethodClsLocal);
4139     }
4140 
4141     // get method ID of sendInputMethodEvent() (run only once)
4142     static jmethodID sendIMEventMid = 0;
4143     if (sendIMEventMid == 0) {
4144         sendIMEventMid =  env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
4145                                            "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
4146         DASSERT(sendIMEventMid);
4147         CHECK_NULL(sendIMEventMid);
4148     }
4149 
4150     // call m_InputMethod.sendInputMethod()
4151     env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0),
4152                         text, clauseBoundary, clauseReading, attrBoundary,
4153                         attrValue, commitedTextLength, caretPos, visiblePos);
4154     if (safe_ExceptionOccurred(env))   env->ExceptionDescribe();
4155     DASSERT(!safe_ExceptionOccurred(env));
4156 
4157 }
4158 
4159 
4160 
4161 //
4162 // Inquires candidate position according to the composed text
4163 //
4164 void AwtComponent::InquireCandidatePosition()
4165 {
4166     if (!::IsWindowVisible(GetHWnd())) {
4167         return;
4168     }
4169     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4170 
4171     // get global reference of WInputMethod class (run only once)
4172     static jclass wInputMethodCls = NULL;
4173     if (wInputMethodCls == NULL) {
4174         jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4175         DASSERT(wInputMethodClsLocal);
4176         CHECK_NULL(wInputMethodClsLocal);
4177         wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4178         env->DeleteLocalRef(wInputMethodClsLocal);
4179     }
4180 
4181     // get method ID of sendInputMethodEvent() (run only once)
4182     static jmethodID inqCandPosMid = 0;
4183     if (inqCandPosMid == 0) {
4184         inqCandPosMid =  env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4185         DASSERT(!safe_ExceptionOccurred(env));
4186         DASSERT(inqCandPosMid);
4187         CHECK_NULL(inqCandPosMid);
4188     }
4189 
4190     // call m_InputMethod.sendInputMethod()
4191     jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4192     DASSERT(!safe_ExceptionOccurred(env));
4193 }
4194 
4195 HWND AwtComponent::ImmGetHWnd()
4196 {
4197     HWND proxy = GetProxyFocusOwner();
4198     return (proxy != NULL) ? proxy : GetHWnd();
4199 }
4200 
4201 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4202 {
4203     return ::ImmAssociateContext(ImmGetHWnd(), himc);
4204 }
4205 
4206 HWND AwtComponent::GetProxyFocusOwner()
4207 {
4208     AwtWindow *window = GetContainer();
4209     if (window != 0) {
4210         AwtFrame *owner = window->GetOwningFrameOrDialog();
4211         if (owner != 0) {
4212             return owner->GetProxyFocusOwner();
4213         } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4214             return ((AwtFrame*)window)->GetProxyFocusOwner();
4215         }
4216     }
4217     return (HWND)NULL;
4218 }
4219 
4220 /* Redirects message to the focus proxy, if any */
4221 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4222     LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4223 {
4224     if (mr != mrConsume)  {
4225         HWND proxy = GetProxyFocusOwner();
4226         if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4227             retVal = ::DefWindowProc(proxy, message, wParam, lParam);
4228             mr = mrConsume;
4229         }
4230     }
4231 }
4232 
4233 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4234 {
4235     /* Menu/Accelerator */
4236     if (hWndChild == 0) {
4237         AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4238         if (obj == NULL) {
4239             return mrConsume;
4240         }
4241         DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4242         obj->DoCommand();
4243         return mrConsume;
4244     }
4245     /* Child id notification */
4246     else {
4247         AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4248         if (child) {
4249             child->WmNotify(notifyCode);
4250         }
4251     }
4252     return mrDoDefault;
4253 }
4254 
4255 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4256 {
4257     return mrDoDefault;
4258 }
4259 
4260 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4261                                        COMPAREITEMSTRUCT &compareInfo,
4262                                        LRESULT &result)
4263 {
4264     AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4265     if (child == this) {
4266         /* DoCallback("handleItemDelete", */
4267     }
4268     else if (child) {
4269         return child->WmCompareItem(ctrlId, compareInfo, result);
4270     }
4271     return mrConsume;
4272 }
4273 
4274 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4275                                       DELETEITEMSTRUCT &deleteInfo)
4276 {
4277     /*
4278      * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4279      * window, a WM_DELETEITEM message is sent to its parent with a window
4280      * handle of one of the list's child windows.  The property lookup
4281      * succeeds, but the HWNDs don't match.
4282      */
4283     if (deleteInfo.hwndItem == NULL) {
4284         return mrConsume;
4285     }
4286     AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4287 
4288     if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4289         return mrConsume;
4290     }
4291 
4292     if (child == this) {
4293         /*DoCallback("handleItemDelete", */
4294     }
4295     else if (child) {
4296         return child->WmDeleteItem(ctrlId, deleteInfo);
4297     }
4298     return mrConsume;
4299 }
4300 
4301 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4302 {
4303     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4304 
4305     if (drawInfo.CtlType == ODT_MENU) {
4306         if (IsMenu((HMENU)drawInfo.hwndItem) && drawInfo.itemData != 0) {
4307             AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4308             menu->DrawItem(drawInfo);
4309         }
4310     } else {
4311         return OwnerDrawItem(ctrlId, drawInfo);
4312     }
4313     return mrConsume;
4314 }
4315 
4316 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4317                                        MEASUREITEMSTRUCT &measureInfo)
4318 {
4319     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4320 
4321     if (measureInfo.CtlType == ODT_MENU) {
4322         if (measureInfo.itemData != 0) {
4323             AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4324             HDC hDC = ::GetDC(GetHWnd());
4325             /* menu->MeasureItem(env, hDC, measureInfo); */
4326             menu->MeasureItem(hDC, measureInfo);
4327             ::ReleaseDC(GetHWnd(), hDC);
4328         }
4329     } else {
4330         return OwnerMeasureItem(ctrlId, measureInfo);
4331     }
4332     return mrConsume;
4333 }
4334 
4335 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4336     DRAWITEMSTRUCT &drawInfo)
4337 {
4338     AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4339     if (child == this) {
4340         /* DoCallback("handleItemDelete", */
4341     } else if (child != NULL) {
4342         return child->WmDrawItem(ctrlId, drawInfo);
4343     }
4344     return mrConsume;
4345 }
4346 
4347 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4348     MEASUREITEMSTRUCT &measureInfo)
4349 {
4350     HWND  hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4351     AwtComponent* child = AwtComponent::GetComponent(hChild);
4352     /*
4353      * If the parent cannot find the child's instance from its handle,
4354      * maybe the child is in its creation.  So the child must be searched
4355      * from the list linked before the child's creation.
4356      */
4357     if (child == NULL) {
4358         child = SearchChild((UINT)ctrlId);
4359     }
4360 
4361     if (child == this) {
4362     /* DoCallback("handleItemDelete",  */
4363     }
4364     else if (child) {
4365         return child->WmMeasureItem(ctrlId, measureInfo);
4366     }
4367     return mrConsume;
4368 }
4369 
4370 /* for WmDrawItem method of Label, Button and Checkbox */
4371 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4372                                   int x, int y)
4373 {
4374     int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4375     DASSERT(nOldBkMode != 0);
4376     AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4377     VERIFY(::SetBkMode(hDC,nOldBkMode));
4378 }
4379 
4380 /*
4381  * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4382  * component is disabled.  Used only for label, checkbox and button in
4383  * OWNER_DRAW.  It draws the text in emboss.
4384  */
4385 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4386                                 int x, int y)
4387 {
4388     ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4389     AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4390     ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4391     AwtComponent::DrawWindowText(hDC, font, text, x, y);
4392 }
4393 
4394 /* for WmMeasureItem method of List and Choice */
4395 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4396 {
4397     jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4398                                                 "(I)Ljava/lang/String;",
4399                                                 index).l;
4400     DASSERT(!safe_ExceptionOccurred(env));
4401     return str;
4402 }
4403 
4404 /* for WmMeasureItem method of List and Choice */
4405 void AwtComponent::MeasureListItem(JNIEnv *env,
4406                                    MEASUREITEMSTRUCT &measureInfo)
4407 {
4408     if (env->EnsureLocalCapacity(1) < 0) {
4409         return;
4410     }
4411     jobject dimension = PreferredItemSize(env);
4412     DASSERT(dimension);
4413     measureInfo.itemWidth =
4414       env->GetIntField(dimension, AwtDimension::widthID);
4415     measureInfo.itemHeight =
4416       env->GetIntField(dimension, AwtDimension::heightID);
4417     env->DeleteLocalRef(dimension);
4418 }
4419 
4420 /* for WmDrawItem method of List and Choice */
4421 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4422 {
4423     if (env->EnsureLocalCapacity(3) < 0) {
4424         return;
4425     }
4426     jobject peer = GetPeer(env);
4427     jobject target = env->GetObjectField(peer, AwtObject::targetID);
4428 
4429     HDC hDC = drawInfo.hDC;
4430     RECT rect = drawInfo.rcItem;
4431 
4432     BOOL bEnabled = isEnabled();
4433     BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4434     DWORD crBack, crText;
4435     if (drawInfo.itemState & ODS_SELECTED){
4436         /* Set background and text colors for selected item */
4437         crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4438         crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4439     } else {
4440         /* Set background and text colors for unselected item */
4441         crBack = GetBackgroundColor();
4442         crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4443     }
4444     if (unfocusableChoice) {
4445         //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4446         crBack = GetBackgroundColor();
4447         crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4448     }
4449 
4450     /* Fill item rectangle with background color */
4451     HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4452     DASSERT(hbrBack);
4453     /* 6190728. Shouldn't draw any kind of rectangle around selection field
4454      * (edit control) of an owner-drawn combo box while unfocusable
4455      */
4456     if (!unfocusableChoice){
4457         VERIFY(::FillRect (hDC, &rect, hbrBack));
4458     }
4459     VERIFY(::DeleteObject (hbrBack));
4460 
4461     /* Set current background and text colors */
4462     ::SetBkColor (hDC, crBack);
4463     ::SetTextColor (hDC, crText);
4464 
4465     /*draw string (with left margin of 1 point) */
4466     if ((int) (drawInfo.itemID) >= 0) {
4467             jobject font = GET_FONT(target, peer);
4468             jstring text = GetItemString(env, target, drawInfo.itemID);
4469             if (env->ExceptionCheck()) {
4470                 env->DeleteLocalRef(font);
4471                 env->DeleteLocalRef(target);
4472                 return;
4473             }
4474             SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4475             AwtFont::drawMFString(hDC, font, text,
4476                                   (GetRTL()) ? rect.right - size.cx - 1
4477                                              : rect.left + 1,
4478                                   (rect.top + rect.bottom - size.cy) / 2,
4479                                   GetCodePage());
4480             env->DeleteLocalRef(font);
4481             env->DeleteLocalRef(text);
4482     }
4483     if ((drawInfo.itemState & ODS_FOCUS)  &&
4484         (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4485       if (!unfocusableChoice){
4486           if(::DrawFocusRect(hDC, &rect) == 0)
4487               VERIFY(::GetLastError() == 0);
4488       }
4489     }
4490     env->DeleteLocalRef(target);
4491 }
4492 
4493 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4494 jint AwtComponent::GetFontHeight(JNIEnv *env)
4495 {
4496     if (env->EnsureLocalCapacity(4) < 0) {
4497         return NULL;
4498     }
4499     jobject self = GetPeer(env);
4500     jobject target = env->GetObjectField(self, AwtObject::targetID);
4501 
4502     jobject font = GET_FONT(target, self);
4503     jobject toolkit = env->CallObjectMethod(target,
4504                                             AwtComponent::getToolkitMID);
4505 
4506     DASSERT(!safe_ExceptionOccurred(env));
4507 
4508     jobject fontMetrics =
4509         env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4510 
4511     DASSERT(!safe_ExceptionOccurred(env));
4512 
4513     jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4514     DASSERT(!safe_ExceptionOccurred(env));
4515 
4516     env->DeleteLocalRef(target);
4517     env->DeleteLocalRef(font);
4518     env->DeleteLocalRef(toolkit);
4519     env->DeleteLocalRef(fontMetrics);
4520 
4521     return height;
4522 }
4523 
4524 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4525 // stack to be restored in WmPrintClient. Windows mangles the DC in
4526 // ::DefWindowProc.
4527 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4528 {
4529     /*
4530      * DefWindowProc for WM_PRINT changes DC parameters, so we have
4531      * to restore it ourselves. Otherwise it will cause problems
4532      * when several components are printed to the same DC.
4533      */
4534     int nOriginalDC = ::SaveDC(hDC);
4535     DASSERT(nOriginalDC != 0);
4536 
4537     if (flags & PRF_NONCLIENT) {
4538 
4539         VERIFY(::SaveDC(hDC));
4540 
4541         DefWindowProc(WM_PRINT, (WPARAM)hDC,
4542                       (flags & (PRF_NONCLIENT
4543                                 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4544 
4545         VERIFY(::RestoreDC(hDC, -1));
4546 
4547         // Special case for components with a sunken border. Windows does not
4548         // print the border correctly on PCL printers, so we have to do it ourselves.
4549         if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4550             RECT r;
4551             VERIFY(::GetWindowRect(GetHWnd(), &r));
4552             VERIFY(::OffsetRect(&r, -r.left, -r.top));
4553             VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4554         }
4555     }
4556 
4557     if (flags & PRF_CLIENT) {
4558 
4559         /*
4560          * Special case for components with a sunken border.
4561          * Windows prints a client area without offset to a border width.
4562          * We will first print the non-client area with the original offset,
4563          * then the client area with a corrected offset.
4564          */
4565         if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4566 
4567             int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4568             int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4569 
4570             VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4571 
4572             // Save a copy of the DC for WmPrintClient
4573             VERIFY(::SaveDC(hDC));
4574 
4575             DefWindowProc(WM_PRINT, (WPARAM) hDC,
4576                           (flags & (PRF_CLIENT
4577                                     | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4578 
4579             VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4580 
4581         } else {
4582 
4583             // Save a copy of the DC for WmPrintClient
4584             VERIFY(::SaveDC(hDC));
4585             DefWindowProc(WM_PRINT, (WPARAM) hDC,
4586                           (flags & (PRF_CLIENT
4587                                     | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4588         }
4589     }
4590 
4591     if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4592         DefWindowProc(WM_PRINT, (WPARAM) hDC,
4593                       (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4594     }
4595 
4596     VERIFY(::RestoreDC(hDC, nOriginalDC));
4597 
4598     return mrConsume;
4599 }
4600 
4601 // If you override WmPrintClient, make sure to obtain a valid copy of
4602 // the DC from the GDI stack. The copy of the DC should have been placed
4603 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4604 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4605 {
4606     // obtain valid DC from GDI stack
4607     ::RestoreDC(hDC, -1);
4608 
4609     return mrDoDefault;
4610 }
4611 
4612 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4613                                       LPNCCALCSIZE_PARAMS lpncsp,
4614                                       LRESULT &retVal)
4615 {
4616     return mrDoDefault;
4617 }
4618 
4619 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4620 {
4621     return mrDoDefault;
4622 }
4623 
4624 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4625 {
4626     return mrDoDefault;
4627 }
4628 
4629 /**
4630  * WmQueryNewPalette is called whenever our component is coming to
4631  * the foreground; this gives us an opportunity to install our
4632  * custom palette.  If this install actually changes entries in
4633  * the system palette, then we get a further call to WmPaletteChanged
4634  * (but note that we only need to realize our palette once).
4635  */
4636 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4637 {
4638     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4639     m_QueryNewPaletteCalled = TRUE;
4640     HDC hDC = ::GetDC(GetHWnd());
4641     DASSERT(hDC);
4642     AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4643     AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4644     ::ReleaseDC(GetHWnd(), hDC);
4645     // We must realize the palettes of all of our DC's
4646     // There is sometimes a problem where the realization of
4647     // our temporary hDC here does not actually do what
4648     // we want.  Not clear why, but presumably fallout from
4649     // our use of several simultaneous hDC's.
4650     activeDCList.RealizePalettes(screen);
4651     // Do not invalidate here; if the palette
4652     // has not changed we will get an extra repaint
4653     retVal = TRUE;
4654 
4655     return mrDoDefault;
4656 }
4657 
4658 /**
4659  * We should not need to track this event since we handle our
4660  * palette management effectively in the WmQueryNewPalette and
4661  * WmPaletteChanged methods.  However, there seems to be a bug
4662  * on some win32 systems (e.g., NT4) whereby the palette
4663  * immediately after a displayChange is not yet updated to its
4664  * final post-display-change values (hence we adjust our palette
4665  * using the wrong system palette entries), then the palette is
4666  * updated, but a WM_PALETTECHANGED message is never sent.
4667  * By tracking the ISCHANGING message as well (and by tracking
4668  * displayChange events in the AwtToolkit object), we can account
4669  * for this error by forcing our WmPaletteChanged method to be
4670  * called and thereby realizing our logical palette and updating
4671  * our dynamic colorModel object.
4672  */
4673 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4674 {
4675     if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4676         WmPaletteChanged(hwndPalChg);
4677         AwtToolkit::GetInstance().ResetDisplayChanged();
4678     }
4679     return mrDoDefault;
4680 }
4681 
4682 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4683 {
4684     // We need to re-realize our palette here (unless we're the one
4685     // that was realizing it in the first place).  That will let us match the
4686     // remaining colors in the system palette as best we can.  We always
4687     // invalidate because the palette will have changed when we receive this
4688     // message.
4689 
4690     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4691     if (hwndPalChg != GetHWnd()) {
4692         HDC hDC = ::GetDC(GetHWnd());
4693         DASSERT(hDC);
4694         AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4695         AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4696         ::ReleaseDC(GetHWnd(), hDC);
4697         // We must realize the palettes of all of our DC's
4698         activeDCList.RealizePalettes(screen);
4699     }
4700     if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4701         AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4702     }
4703     Invalidate(NULL);
4704     return mrDoDefault;
4705 }
4706 
4707 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4708 {
4709     DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4710     return mrDoDefault;
4711 }
4712 
4713 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4714 {
4715     DASSERT(!IsBadStringPtr(pszSection, 20));
4716     DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4717     return mrDoDefault;
4718 }
4719 
4720 HDC AwtComponent::GetDCFromComponent()
4721 {
4722     GetDCReturnStruct *hdcStruct =
4723         (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4724     HDC hdc;
4725     if (hdcStruct) {
4726         if (hdcStruct->gdiLimitReached) {
4727             if (jvm != NULL) {
4728                 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4729                 if (env != NULL && !safe_ExceptionOccurred(env)) {
4730                     JNU_ThrowByName(env, "java/awt/AWTError",
4731                         "HDC creation failure - " \
4732                         "exceeded maximum GDI resources");
4733                 }
4734             }
4735         }
4736         hdc = hdcStruct->hDC;
4737         delete hdcStruct;
4738     } else {
4739         hdc = NULL;
4740     }
4741     return hdc;
4742 }
4743 
4744 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4745 {
4746     RECT eraseR = { 0, 0, size.cx, size.cy };
4747     VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4748 }
4749 
4750 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4751 {
4752     if (!bitmapBits) {
4753         return;
4754     }
4755 
4756     DWORD* dest = (DWORD*)bitmapBits;
4757     //XXX: might be optimized to use one loop (cy*cx -> 0)
4758     for (int i = 0; i < size.cy; i++ ) {
4759         for (int j = 0; j < size.cx; j++ ) {
4760             ((BYTE*)(dest++))[3] = alpha;
4761         }
4762     }
4763 }
4764 
4765 int AwtComponent::ScaleUpX(int x) {
4766     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4767     Devices::InstanceAccess devices;
4768     AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4769     return device == NULL ? x : device->ScaleUpX(x);
4770 }
4771 
4772 int AwtComponent::ScaleUpY(int y) {
4773     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4774     Devices::InstanceAccess devices;
4775     AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4776     return device == NULL ? y : device->ScaleUpY(y);
4777 }
4778 
4779 int AwtComponent::ScaleDownX(int x) {
4780     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4781     Devices::InstanceAccess devices;
4782     AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4783     return device == NULL ? x : device->ScaleDownX(x);
4784 }
4785 
4786 int AwtComponent::ScaleDownY(int y) {
4787     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4788     Devices::InstanceAccess devices;
4789     AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4790     return device == NULL ? y : device->ScaleDownY(y);
4791 }
4792 
4793 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4794     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4795 
4796     if (!::IsWindowVisible(GetHWnd())) {
4797         return NULL;
4798     }
4799 
4800     HDC hdc = GetDCFromComponent();
4801     if (!hdc) {
4802         return NULL;
4803     }
4804     HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4805     void *bitmapBits = NULL;
4806     HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4807     HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4808     SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4809 
4810     FillBackground(hMemoryDC, size);
4811 
4812     VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4813 
4814     // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4815     // above.
4816     SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4817 
4818     // First make sure the system completed any drawing to the bitmap.
4819     ::GdiFlush();
4820 
4821     // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4822     // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4823     // the pixels will be considered transparent when interpreting the data.
4824     FillAlpha(bitmapBits, size, alpha);
4825 
4826     ::SelectObject(hMemoryDC, hOldBitmap);
4827 
4828     BITMAPINFO bmi;
4829     memset(&bmi, 0, sizeof(BITMAPINFO));
4830     bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4831     bmi.bmiHeader.biWidth = size.cx;
4832     bmi.bmiHeader.biHeight = -size.cy;
4833     bmi.bmiHeader.biPlanes = 1;
4834     bmi.bmiHeader.biBitCount = 32;
4835     bmi.bmiHeader.biCompression = BI_RGB;
4836 
4837     jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4838     jintArray pixelArray = NULL;
4839     if (localPixelArray != NULL) {
4840         pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4841         env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4842 
4843         jboolean isCopy;
4844         jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4845 
4846         ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4847                     DIB_RGB_COLORS);
4848 
4849         env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4850     }
4851 
4852     VERIFY(::DeleteObject(hBitmap));
4853     VERIFY(::DeleteDC(hMemoryDC));
4854 
4855     return pixelArray;
4856 }
4857 
4858 void* AwtComponent::SetNativeFocusOwner(void *self) {
4859     if (self == NULL) {
4860         // It means that the KFM wants to set focus to null
4861         sm_focusOwner = NULL;
4862         return NULL;
4863     }
4864 
4865     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4866 
4867     AwtComponent *c = NULL;
4868     jobject peer = (jobject)self;
4869 
4870     PDATA pData;
4871     JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4872     pData = JNI_GET_PDATA(peer);
4873     if (pData == NULL) {
4874         goto ret;
4875     }
4876     c = (AwtComponent *)pData;
4877 
4878 ret:
4879     if (c && ::IsWindow(c->GetHWnd())) {
4880         sm_focusOwner = c->GetHWnd();
4881     } else {
4882         sm_focusOwner = NULL;
4883     }
4884     env->DeleteGlobalRef(peer);
4885     return NULL;
4886 }
4887 
4888 void* AwtComponent::GetNativeFocusedWindow() {
4889     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4890     AwtComponent *comp =
4891         AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4892     return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4893 }
4894 
4895 void* AwtComponent::GetNativeFocusOwner() {
4896     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4897     AwtComponent *comp =
4898         AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4899     return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4900 }
4901 
4902 AwtComponent* AwtComponent::SearchChild(UINT id) {
4903     ChildListItem* child;
4904     for (child = m_childList; child != NULL;child = child->m_next) {
4905         if (child->m_ID == id)
4906             return child->m_Component;
4907     }
4908     /*
4909      * DASSERT(FALSE);
4910      * This should not be happend if all children are recorded
4911      */
4912     return NULL;        /* make compiler happy */
4913 }
4914 
4915 void AwtComponent::RemoveChild(UINT id) {
4916     ChildListItem* child = m_childList;
4917     ChildListItem* lastChild = NULL;
4918     while (child != NULL) {
4919         if (child->m_ID == id) {
4920             if (lastChild == NULL) {
4921                 m_childList = child->m_next;
4922             } else {
4923                 lastChild->m_next = child->m_next;
4924             }
4925             child->m_next = NULL;
4926             DASSERT(child != NULL);
4927             delete child;
4928             return;
4929         }
4930         lastChild = child;
4931         child = child->m_next;
4932     }
4933 }
4934 
4935 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4936                                 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4937 {
4938     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4939     CriticalSection::Lock l(GetLock());
4940     if (GetPeer(env) == NULL) {
4941         /* event received during termination. */
4942         return;
4943     }
4944 
4945     static jclass keyEventCls;
4946     if (keyEventCls == NULL) {
4947         jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4948         DASSERT(keyEventClsLocal);
4949         if (keyEventClsLocal == NULL) {
4950             /* exception already thrown */
4951             return;
4952         }
4953         keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4954         env->DeleteLocalRef(keyEventClsLocal);
4955     }
4956 
4957     static jmethodID keyEventConst;
4958     if (keyEventConst == NULL) {
4959         keyEventConst =  env->GetMethodID(keyEventCls, "<init>",
4960                                           "(Ljava/awt/Component;IJIICI)V");
4961         DASSERT(keyEventConst);
4962         CHECK_NULL(keyEventConst);
4963     }
4964     if (env->EnsureLocalCapacity(2) < 0) {
4965         return;
4966     }
4967     jobject target = GetTarget(env);
4968     jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4969                                       id, when, modifiers, raw, cooked,
4970                                       keyLocation);
4971     if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4972     DASSERT(!safe_ExceptionOccurred(env));
4973     DASSERT(keyEvent != NULL);
4974     if (keyEvent == NULL) {
4975         env->DeleteLocalRef(target);
4976         return;
4977     }
4978     env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4979     if( nativeCode && nativeCode < 256 ) {
4980         env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4981         env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4982         if( nativeCode < 255 ) {
4983             env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4984         }else if( pMsg != NULL ) {
4985             // unknown key with virtual keycode 0xFF.
4986             // Its scancode is not in the table, pickup it from the message.
4987             env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4988         }
4989     }
4990     if (pMsg != NULL) {
4991         AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
4992     }
4993     SendEvent(keyEvent);
4994 
4995     env->DeleteLocalRef(keyEvent);
4996     env->DeleteLocalRef(target);
4997 }
4998 
4999 void
5000 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
5001                                        jint raw, jint cooked,
5002                                        jint modifiers, jint keyLocation,
5003                                        jlong nativeCode,
5004                                        MSG *msg)
5005 {
5006     /*
5007      * if focus owner is null, but focused window isn't
5008      * we will send key event to focused window
5009      */
5010     HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
5011 
5012     if (hwndTarget == GetHWnd()) {
5013         SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
5014     } else {
5015         AwtComponent *target = NULL;
5016         if (hwndTarget != NULL) {
5017             target = AwtComponent::GetComponent(hwndTarget);
5018             if (target == NULL) {
5019                 target = this;
5020             }
5021         }
5022         if (target != NULL) {
5023             target->SendKeyEvent(id, when, raw, cooked, modifiers,
5024               keyLocation, nativeCode, msg);
5025         }
5026     }
5027 }
5028 
5029 void AwtComponent::SetDragCapture(UINT flags)
5030 {
5031     // don't want to interfere with other controls
5032     if (::GetCapture() == NULL) {
5033         ::SetCapture(GetHWnd());
5034     }
5035 }
5036 
5037 void AwtComponent::ReleaseDragCapture(UINT flags)
5038 {
5039     if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
5040         // user has released all buttons, so release the capture
5041         ::ReleaseCapture();
5042     }
5043 }
5044 
5045 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
5046                                   jint modifiers, jint clickCount,
5047                                   jboolean popupTrigger, jint button,
5048                                   MSG *pMsg, BOOL causedByTouchEvent)
5049 {
5050     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5051     CriticalSection::Lock l(GetLock());
5052     if (GetPeer(env) == NULL) {
5053         /* event received during termination. */
5054         return;
5055     }
5056 
5057     static jclass mouseEventCls;
5058     if (mouseEventCls == NULL) {
5059         jclass mouseEventClsLocal =
5060             env->FindClass("java/awt/event/MouseEvent");
5061         CHECK_NULL(mouseEventClsLocal);
5062         mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
5063         env->DeleteLocalRef(mouseEventClsLocal);
5064     }
5065     RECT insets;
5066     GetInsets(&insets);
5067 
5068     static jmethodID mouseEventConst;
5069     if (mouseEventConst == NULL) {
5070         mouseEventConst =
5071             env->GetMethodID(mouseEventCls, "<init>",
5072                  "(Ljava/awt/Component;IJIIIIIIZI)V");
5073         DASSERT(mouseEventConst);
5074         CHECK_NULL(mouseEventConst);
5075     }
5076     if (env->EnsureLocalCapacity(2) < 0) {
5077         return;
5078     }
5079     jobject target = GetTarget(env);
5080     DWORD curMousePos = ::GetMessagePos();
5081     int xAbs = GET_X_LPARAM(curMousePos);
5082     int yAbs = GET_Y_LPARAM(curMousePos);
5083     jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
5084                                         target,
5085                                         id, when, modifiers,
5086                                         ScaleDownX(x + insets.left),
5087                                         ScaleDownY(y + insets.top),
5088                                         ScaleDownX(xAbs), ScaleDownY(yAbs),
5089                                         clickCount, popupTrigger, button);
5090 
5091     if (safe_ExceptionOccurred(env)) {
5092         env->ExceptionDescribe();
5093         env->ExceptionClear();
5094     }
5095 
5096     DASSERT(mouseEvent != NULL);
5097     CHECK_NULL(mouseEvent);
5098     if (causedByTouchEvent) {
5099         env->SetBooleanField(mouseEvent, AwtMouseEvent::causedByTouchEventID,
5100             JNI_TRUE);
5101     }
5102     if (pMsg != 0) {
5103         AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
5104     }
5105     SendEvent(mouseEvent);
5106 
5107     env->DeleteLocalRef(mouseEvent);
5108     env->DeleteLocalRef(target);
5109 }
5110 
5111 void
5112 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
5113                                   jint modifiers, jint clickCount,
5114                                   jboolean popupTrigger, jint scrollType,
5115                                   jint scrollAmount, jint roundedWheelRotation,
5116                                   jdouble preciseWheelRotation, MSG *pMsg)
5117 {
5118     /* Code based not so loosely on AwtComponent::SendMouseEvent */
5119     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5120     CriticalSection::Lock l(GetLock());
5121     if (GetPeer(env) == NULL) {
5122         /* event received during termination. */
5123         return;
5124     }
5125 
5126     static jclass mouseWheelEventCls;
5127     if (mouseWheelEventCls == NULL) {
5128         jclass mouseWheelEventClsLocal =
5129             env->FindClass("java/awt/event/MouseWheelEvent");
5130         CHECK_NULL(mouseWheelEventClsLocal);
5131         mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
5132         env->DeleteLocalRef(mouseWheelEventClsLocal);
5133     }
5134     RECT insets;
5135     GetInsets(&insets);
5136 
5137     static jmethodID mouseWheelEventConst;
5138     if (mouseWheelEventConst == NULL) {
5139         mouseWheelEventConst =
5140             env->GetMethodID(mouseWheelEventCls, "<init>",
5141                            "(Ljava/awt/Component;IJIIIIIIZIIID)V");
5142         DASSERT(mouseWheelEventConst);
5143         CHECK_NULL(mouseWheelEventConst);
5144     }
5145     if (env->EnsureLocalCapacity(2) < 0) {
5146         return;
5147     }
5148     jobject target = GetTarget(env);
5149     DWORD curMousePos = ::GetMessagePos();
5150     int xAbs = GET_X_LPARAM(curMousePos);
5151     int yAbs = GET_Y_LPARAM(curMousePos);
5152 
5153     DTRACE_PRINTLN("creating MWE in JNI");
5154 
5155     jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
5156                                              mouseWheelEventConst,
5157                                              target,
5158                                              id, when, modifiers,
5159                                              ScaleDownX(x + insets.left),
5160                                              ScaleDownY(y + insets.top),
5161                                              ScaleDownX(xAbs),
5162                                              ScaleDownY(yAbs),
5163                                              clickCount, popupTrigger,
5164                                              scrollType, scrollAmount,
5165                                              roundedWheelRotation, preciseWheelRotation);
5166 
5167     DASSERT(mouseWheelEvent != NULL);
5168     if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
5169         env->ExceptionDescribe();
5170         env->ExceptionClear();
5171         env->DeleteLocalRef(target);
5172         return;
5173     }
5174     if (pMsg != NULL) {
5175         AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
5176     }
5177     SendEvent(mouseWheelEvent);
5178 
5179     env->DeleteLocalRef(mouseWheelEvent);
5180     env->DeleteLocalRef(target);
5181 }
5182 
5183 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
5184 {
5185     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5186 
5187     CriticalSection::Lock l(GetLock());
5188     if (GetPeer(env) == NULL) {
5189         /* event received during termination. */
5190         return;
5191     }
5192 
5193     static jclass focusEventCls;
5194     if (focusEventCls == NULL) {
5195         jclass focusEventClsLocal
5196             = env->FindClass("java/awt/event/FocusEvent");
5197         DASSERT(focusEventClsLocal);
5198         CHECK_NULL(focusEventClsLocal);
5199         focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5200         env->DeleteLocalRef(focusEventClsLocal);
5201     }
5202 
5203     static jmethodID focusEventConst;
5204     if (focusEventConst == NULL) {
5205         focusEventConst =
5206             env->GetMethodID(focusEventCls, "<init>",
5207                              "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5208         DASSERT(focusEventConst);
5209         CHECK_NULL(focusEventConst);
5210     }
5211 
5212     static jclass sequencedEventCls;
5213     if (sequencedEventCls == NULL) {
5214         jclass sequencedEventClsLocal =
5215             env->FindClass("java/awt/SequencedEvent");
5216         DASSERT(sequencedEventClsLocal);
5217         CHECK_NULL(sequencedEventClsLocal);
5218         sequencedEventCls =
5219             (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5220         env->DeleteLocalRef(sequencedEventClsLocal);
5221     }
5222 
5223     static jmethodID sequencedEventConst;
5224     if (sequencedEventConst == NULL) {
5225         sequencedEventConst =
5226             env->GetMethodID(sequencedEventCls, "<init>",
5227                              "(Ljava/awt/AWTEvent;)V");
5228         DASSERT(sequencedEventConst);
5229         CHECK_NULL(sequencedEventConst);
5230     }
5231 
5232     if (env->EnsureLocalCapacity(3) < 0) {
5233         return;
5234     }
5235 
5236     jobject target = GetTarget(env);
5237     jobject jOpposite = NULL;
5238     if (opposite != NULL) {
5239         AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5240         if (awtOpposite != NULL) {
5241             jOpposite = awtOpposite->GetTarget(env);
5242         }
5243     }
5244     jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5245                                         target, id, JNI_FALSE, jOpposite);
5246     DASSERT(!safe_ExceptionOccurred(env));
5247     DASSERT(focusEvent != NULL);
5248     if (jOpposite != NULL) {
5249         env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5250     }
5251     env->DeleteLocalRef(target); target = NULL;
5252     CHECK_NULL(focusEvent);
5253 
5254     jobject sequencedEvent = env->NewObject(sequencedEventCls,
5255                                             sequencedEventConst,
5256                                             focusEvent);
5257     DASSERT(!safe_ExceptionOccurred(env));
5258     DASSERT(sequencedEvent != NULL);
5259     env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5260     CHECK_NULL(sequencedEvent);
5261     SendEvent(sequencedEvent);
5262 
5263     env->DeleteLocalRef(sequencedEvent);
5264 }
5265 
5266 /*
5267  * Forward a filtered event directly to the subclassed window.
5268  * This method is needed so that DefWindowProc is invoked on the
5269  * component's owning thread.
5270  */
5271 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5272 {
5273     DefWindowProc(msg->message, msg->wParam, msg->lParam);
5274     delete msg;
5275     return mrConsume;
5276 }
5277 
5278 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5279    on the toolkit thread. This method may pre-filter the messages. */
5280 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5281 {
5282     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5283     // We should cut off keyboard events to disabled components
5284     // to avoid the components responding visually to keystrokes when disabled.
5285     // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5286     // but to activate menus, close windows, etc
5287     switch(msg->message) {
5288         case WM_KEYDOWN:
5289         case WM_KEYUP:
5290         case WM_CHAR:
5291         case WM_DEADCHAR:
5292             {
5293                 if (!isRecursivelyEnabled()) {
5294                     goto quit;
5295                 }
5296                 break;
5297             }
5298     }
5299     if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5300         (WPARAM) synthetic, (LPARAM) msg)) {
5301             return TRUE;
5302     } else {
5303         JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5304     }
5305 quit:
5306     delete msg;
5307     return FALSE;
5308 }
5309 
5310 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5311 {
5312     jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5313     UINT message;
5314     switch (id) {
5315       case java_awt_event_KeyEvent_KEY_PRESSED:
5316           message = WM_KEYDOWN;
5317           break;
5318       case java_awt_event_KeyEvent_KEY_RELEASED:
5319           message = WM_KEYUP;
5320           break;
5321       case java_awt_event_KeyEvent_KEY_TYPED:
5322           message = WM_CHAR;
5323           break;
5324       default:
5325           return;
5326     }
5327 
5328     /*
5329      * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5330      * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5331      */
5332     if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5333         // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5334         // (for Edit control)
5335         jchar keyChar = (jchar)
5336           (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5337 
5338         // Bugid 4724007.  If it is a Delete character, don't send the fake
5339         // KEY_TYPED we created back to the native window: Windows doesn't
5340         // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5341         // character after deleting.
5342         if (keyChar == '\177') { // the Delete character
5343             return;
5344         }
5345 
5346         // Disable forwarding WM_CHAR messages to disabled components
5347         if (isRecursivelyEnabled()) {
5348             if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5349                 MAKEWPARAM(keyChar, TRUE), 0)) {
5350                 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5351             }
5352         }
5353     } else {
5354         jint keyCode =
5355           (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5356         UINT key, modifiers;
5357         AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5358         MSG* msg = CreateMessage(message, key, 0);
5359         PostHandleEventMessage(msg, TRUE);
5360     }
5361 }
5362 
5363 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5364 {
5365     /*    DebugBreak(); */
5366     jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5367     jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5368 
5369     WPARAM wParam = 0;
5370     WORD wLow = 0;
5371     jint wheelAmt = 0;
5372     jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5373     UINT message;
5374     switch (id) {
5375       case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5376           switch (button) {
5377             case java_awt_event_MouseEvent_BUTTON1:
5378                 message = WM_LBUTTONDOWN; break;
5379             case java_awt_event_MouseEvent_BUTTON3:
5380                 message = WM_MBUTTONDOWN; break;
5381             case java_awt_event_MouseEvent_BUTTON2:
5382                 message = WM_RBUTTONDOWN; break;
5383             default:
5384                 return;
5385           }
5386           break;
5387       }
5388       case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5389           switch (button) {
5390             case java_awt_event_MouseEvent_BUTTON1:
5391                 message = WM_LBUTTONUP; break;
5392             case java_awt_event_MouseEvent_BUTTON3:
5393                 message = WM_MBUTTONUP; break;
5394             case java_awt_event_MouseEvent_BUTTON2:
5395                 message = WM_RBUTTONUP; break;
5396             default:
5397                 return;
5398           }
5399           break;
5400       }
5401       case java_awt_event_MouseEvent_MOUSE_MOVED:
5402           /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5403       case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5404           message = WM_MOUSEMOVE;
5405           break;
5406       case java_awt_event_MouseEvent_MOUSE_WHEEL:
5407           if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5408               wLow |= MK_CONTROL;
5409           }
5410           if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5411               wLow |= MK_SHIFT;
5412           }
5413           if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5414               wLow |= MK_LBUTTON;
5415           }
5416           if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5417               wLow |= MK_RBUTTON;
5418           }
5419           if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5420               wLow |= MK_MBUTTON;
5421           }
5422           if (modifiers & X1_BUTTON) {
5423               wLow |= GetButtonMK(X1_BUTTON);
5424           }
5425           if (modifiers & X2_BUTTON) {
5426               wLow |= GetButtonMK(X2_BUTTON);
5427           }
5428 
5429           wheelAmt = (jint)JNU_CallMethodByName(env,
5430                                                NULL,
5431                                                mouseEvent,
5432                                                "getWheelRotation",
5433                                                "()I").i;
5434           DASSERT(!safe_ExceptionOccurred(env));
5435           JNU_CHECK_EXCEPTION(env);
5436           DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5437 
5438           // convert Java wheel amount value to Win32
5439           wheelAmt *= -1 * WHEEL_DELTA;
5440 
5441           message = WM_MOUSEWHEEL;
5442           wParam = MAKEWPARAM(wLow, wheelAmt);
5443 
5444           break;
5445       default:
5446           return;
5447     }
5448     jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5449     jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5450     MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5451     PostHandleEventMessage(msg, TRUE);
5452 }
5453 
5454 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5455 
5456 void AwtComponent::Invalidate(RECT* r)
5457 {
5458     ::InvalidateRect(GetHWnd(), r, FALSE);
5459 }
5460 
5461 void AwtComponent::BeginValidate()
5462 {
5463     DASSERT(m_validationNestCount >= 0 &&
5464            m_validationNestCount < 1000); // sanity check
5465 
5466     if (m_validationNestCount == 0) {
5467     // begin deferred window positioning if we're not inside
5468     // another Begin/EndValidate pair
5469         DASSERT(m_hdwp == NULL);
5470         m_hdwp = ::BeginDeferWindowPos(32);
5471     }
5472 
5473     m_validationNestCount++;
5474 }
5475 
5476 void AwtComponent::EndValidate()
5477 {
5478     DASSERT(m_validationNestCount > 0 &&
5479            m_validationNestCount < 1000); // sanity check
5480     DASSERT(m_hdwp != NULL);
5481 
5482     m_validationNestCount--;
5483     if (m_validationNestCount == 0) {
5484     // if this call to EndValidate is not nested inside another
5485     // Begin/EndValidate pair, end deferred window positioning
5486         ::EndDeferWindowPos(m_hdwp);
5487         m_hdwp = NULL;
5488     }
5489 }
5490 
5491 /**
5492  * HWND, AwtComponent and Java Peer interaction
5493  */
5494 
5495 /*
5496  *Link the C++, Java peer, and HWNDs together.
5497  */
5498 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5499 {
5500     /*
5501      * Bind all three objects together thru this C++ object, two-way to each:
5502      *     JavaPeer <-> C++ <-> HWND
5503      *
5504      * C++ -> JavaPeer
5505      */
5506     if (m_peerObject == NULL) {
5507         // This may have already been set up by CreateHWnd
5508         // And we don't want to create two references so we
5509         // will leave the prior one alone
5510         m_peerObject = env->NewGlobalRef(peer);
5511     }
5512     /* JavaPeer -> HWND */
5513     env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5514 
5515     /* JavaPeer -> C++ */
5516     JNI_SET_PDATA(peer, this);
5517 
5518     /* HWND -> C++ */
5519     SetComponentInHWND();
5520 }
5521 
5522 /* Cleanup above linking */
5523 void AwtComponent::UnlinkObjects()
5524 {
5525     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5526     if (m_peerObject) {
5527         env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5528         JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5529         JNI_SET_DESTROYED(m_peerObject);
5530         env->DeleteGlobalRef(m_peerObject);
5531         m_peerObject = NULL;
5532     }
5533 }
5534 
5535 void AwtComponent::Enable(BOOL bEnable)
5536 {
5537     if (bEnable && IsTopLevel()) {
5538         // we should not enable blocked toplevels
5539         bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5540     }
5541     // Shouldn't trigger native focus change
5542     // (only the proxy may be the native focus owner).
5543     ::EnableWindow(GetHWnd(), bEnable);
5544 
5545     CriticalSection::Lock l(GetLock());
5546     VerifyState();
5547 }
5548 
5549 /*
5550  * associate an AwtDropTarget with this AwtComponent
5551  */
5552 
5553 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5554     m_dropTarget = new AwtDropTarget(env, this);
5555     m_dropTarget->RegisterTarget(TRUE);
5556     return m_dropTarget;
5557 }
5558 
5559 /*
5560  * disassociate an AwtDropTarget with this AwtComponent
5561  */
5562 
5563 void AwtComponent::DestroyDropTarget() {
5564     if (m_dropTarget != NULL) {
5565         m_dropTarget->RegisterTarget(FALSE);
5566         m_dropTarget->Release();
5567         m_dropTarget = NULL;
5568     }
5569 }
5570 
5571 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5572     return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5573 }
5574 
5575 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5576     return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5577 }
5578 
5579 void AwtComponent::_Show(void *param)
5580 {
5581     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5582 
5583     jobject self = (jobject)param;
5584 
5585     AwtComponent *p;
5586 
5587     PDATA pData;
5588     JNI_CHECK_PEER_GOTO(self, ret);
5589     p = (AwtComponent *)pData;
5590     if (::IsWindow(p->GetHWnd()))
5591     {
5592         p->SendMessage(WM_AWT_COMPONENT_SHOW);
5593     }
5594 ret:
5595     env->DeleteGlobalRef(self);
5596 }
5597 
5598 void AwtComponent::_Hide(void *param)
5599 {
5600     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5601 
5602     jobject self = (jobject)param;
5603 
5604     AwtComponent *p;
5605 
5606     PDATA pData;
5607     JNI_CHECK_PEER_GOTO(self, ret);
5608     p = (AwtComponent *)pData;
5609     if (::IsWindow(p->GetHWnd()))
5610     {
5611         p->SendMessage(WM_AWT_COMPONENT_HIDE);
5612     }
5613 ret:
5614     env->DeleteGlobalRef(self);
5615 }
5616 
5617 void AwtComponent::_Enable(void *param)
5618 {
5619     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5620 
5621     jobject self = (jobject)param;
5622 
5623     AwtComponent *p;
5624 
5625     PDATA pData;
5626     JNI_CHECK_PEER_GOTO(self, ret);
5627     p = (AwtComponent *)pData;
5628     if (::IsWindow(p->GetHWnd()))
5629     {
5630         p->Enable(TRUE);
5631     }
5632 ret:
5633     env->DeleteGlobalRef(self);
5634 }
5635 
5636 void AwtComponent::_Disable(void *param)
5637 {
5638     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5639 
5640     jobject self = (jobject)param;
5641 
5642     AwtComponent *p;
5643 
5644     PDATA pData;
5645     JNI_CHECK_PEER_GOTO(self, ret);
5646     p = (AwtComponent *)pData;
5647     if (::IsWindow(p->GetHWnd()))
5648     {
5649         p->Enable(FALSE);
5650     }
5651 ret:
5652     env->DeleteGlobalRef(self);
5653 }
5654 
5655 jobject AwtComponent::_GetLocationOnScreen(void *param)
5656 {
5657     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5658 
5659     jobject self = (jobject)param;
5660 
5661     jobject result = NULL;
5662     AwtComponent *p;
5663 
5664     PDATA pData;
5665     JNI_CHECK_PEER_GOTO(self, ret);
5666     p = (AwtComponent *)pData;
5667     if (::IsWindow(p->GetHWnd()))
5668     {
5669         RECT rect;
5670         VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5671         result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5672                                      p->ScaleDownX(rect.left),
5673                                      p->ScaleDownY(rect.top));
5674     }
5675 ret:
5676     env->DeleteGlobalRef(self);
5677 
5678     if (result != NULL)
5679     {
5680         jobject resultGlobalRef = env->NewGlobalRef(result);
5681         env->DeleteLocalRef(result);
5682         return resultGlobalRef;
5683     }
5684     else
5685     {
5686         return NULL;
5687     }
5688 }
5689 
5690 void AwtComponent::_Reshape(void *param)
5691 {
5692     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5693 
5694     ReshapeStruct *rs = (ReshapeStruct*)param;
5695     jobject self = rs->component;
5696     jint x = rs->x;
5697     jint y = rs->y;
5698     jint w = rs->w;
5699     jint h = rs->h;
5700 
5701     AwtComponent *p;
5702 
5703     PDATA pData;
5704     JNI_CHECK_PEER_GOTO(self, ret);
5705     p = (AwtComponent *)pData;
5706     if (::IsWindow(p->GetHWnd()))
5707     {
5708         RECT* r = new RECT;
5709         ::SetRect(r, x, y, x + w, y + h);
5710         p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5711     }
5712 ret:
5713     env->DeleteGlobalRef(self);
5714 
5715     delete rs;
5716 }
5717 
5718 void AwtComponent::_ReshapeNoCheck(void *param)
5719 {
5720     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5721 
5722     ReshapeStruct *rs = (ReshapeStruct*)param;
5723     jobject self = rs->component;
5724     jint x = rs->x;
5725     jint y = rs->y;
5726     jint w = rs->w;
5727     jint h = rs->h;
5728 
5729     AwtComponent *p;
5730 
5731     PDATA pData;
5732     JNI_CHECK_PEER_GOTO(self, ret);
5733     p = (AwtComponent *)pData;
5734     if (::IsWindow(p->GetHWnd()))
5735     {
5736         RECT* r = new RECT;
5737         ::SetRect(r, x, y, x + w, y + h);
5738         p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5739     }
5740 ret:
5741     env->DeleteGlobalRef(self);
5742 
5743     delete rs;
5744 }
5745 
5746 void AwtComponent::_NativeHandleEvent(void *param)
5747 {
5748     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5749 
5750     NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5751     jobject self = nhes->component;
5752     jobject event = nhes->event;
5753 
5754     AwtComponent *p;
5755 
5756     PDATA pData;
5757     JNI_CHECK_NULL_GOTO(self, "peer", ret);
5758     pData = JNI_GET_PDATA(self);
5759     if (pData == NULL) {
5760         env->DeleteGlobalRef(self);
5761         if (event != NULL) {
5762             env->DeleteGlobalRef(event);
5763         }
5764         delete nhes;
5765         return;
5766     }
5767     JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5768 
5769     p = (AwtComponent *)pData;
5770     if (::IsWindow(p->GetHWnd()))
5771     {
5772         if (env->EnsureLocalCapacity(1) < 0) {
5773             env->DeleteGlobalRef(self);
5774             env->DeleteGlobalRef(event);
5775             delete nhes;
5776             return;
5777         }
5778         jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5779         int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5780         DASSERT(!safe_ExceptionOccurred(env));
5781         if (bdata != 0) {
5782             MSG msg;
5783             (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5784             (env)->DeleteLocalRef(bdata);
5785             static BOOL keyDownConsumed = FALSE;
5786             static BOOL bCharChanged = FALSE;
5787             static WCHAR modifiedChar;
5788             WCHAR unicodeChar;
5789 
5790             /* Remember if a KEY_PRESSED event is consumed, as an old model
5791              * program won't consume a subsequent KEY_TYPED event.
5792              */
5793             jboolean consumed =
5794                 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5795             DASSERT(!safe_ExceptionOccurred(env));
5796 
5797             if (consumed) {
5798                 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5799                 env->DeleteGlobalRef(self);
5800                 env->DeleteGlobalRef(event);
5801                 delete nhes;
5802                 return;
5803 
5804             } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5805                 // Fix for 6637607: reset consuming
5806                 keyDownConsumed = FALSE;
5807             }
5808 
5809             /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5810              * the old model.
5811              */
5812             if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5813                 keyDownConsumed = FALSE;
5814                 env->DeleteGlobalRef(self);
5815                 env->DeleteGlobalRef(event);
5816                 delete nhes;
5817                 return;
5818             }
5819 
5820             /* Modify any event parameters, if necessary. */
5821             if (self && pData &&
5822                 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5823                 id <= java_awt_event_KeyEvent_KEY_LAST) {
5824 
5825                     AwtComponent* p = (AwtComponent*)pData;
5826 
5827                     jint keyCode =
5828                       (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5829                     jchar keyChar =
5830                       (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5831                     jint modifiers =
5832                       (env)->GetIntField(event, AwtInputEvent::modifiersID);
5833 
5834                     DASSERT(!safe_ExceptionOccurred(env));
5835 
5836                 /* Check to see whether the keyCode or modifiers were changed
5837                    on the keyPressed event, and tweak the following keyTyped
5838                    event (if any) accodingly.  */
5839                 switch (id) {
5840                 case java_awt_event_KeyEvent_KEY_PRESSED:
5841                 {
5842                     UINT winKey = (UINT)msg.wParam;
5843                     bCharChanged = FALSE;
5844 
5845                     if (winKey == VK_PROCESSKEY) {
5846                         // Leave it up to IME
5847                         break;
5848                     }
5849 
5850                     if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5851                         UINT newWinKey, ignored;
5852                         p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5853                         if (newWinKey != 0) {
5854                             winKey = newWinKey;
5855                         }
5856                     }
5857 
5858                     BOOL isDeadKey = FALSE;
5859                     modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5860                     bCharChanged = (keyChar != modifiedChar);
5861                 }
5862                 break;
5863 
5864                 case java_awt_event_KeyEvent_KEY_RELEASED:
5865                 {
5866                     keyDownConsumed = FALSE;
5867                     bCharChanged = FALSE;
5868                 }
5869                 break;
5870 
5871                 case java_awt_event_KeyEvent_KEY_TYPED:
5872                 {
5873                     if (bCharChanged)
5874                     {
5875                         unicodeChar = modifiedChar;
5876                     }
5877                     else
5878                     {
5879                         unicodeChar = keyChar;
5880                     }
5881                     bCharChanged = FALSE;
5882 
5883                     // Disable forwarding KEY_TYPED messages to peers of
5884                     // disabled components
5885                     if (p->isRecursivelyEnabled()) {
5886                         // send the character back to the native window for
5887                         // processing. The WM_AWT_FORWARD_CHAR handler will send
5888                         // this character to DefWindowProc
5889                         if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5890                             MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5891                             JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5892                         }
5893                     }
5894                     env->DeleteGlobalRef(self);
5895                     env->DeleteGlobalRef(event);
5896                     delete nhes;
5897                     return;
5898                 }
5899                 break;
5900 
5901                 default:
5902                     break;
5903                 }
5904             }
5905 
5906             // ignore all InputMethodEvents
5907             if (self && (pData = JNI_GET_PDATA(self)) &&
5908                 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5909                 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5910                 env->DeleteGlobalRef(self);
5911                 env->DeleteGlobalRef(event);
5912                 delete nhes;
5913                 return;
5914             }
5915 
5916             // Create copy for local msg
5917             MSG* pCopiedMsg = new MSG;
5918             memmove(pCopiedMsg, &msg, sizeof(MSG));
5919             // Event handler deletes msg
5920             p->PostHandleEventMessage(pCopiedMsg, FALSE);
5921 
5922             env->DeleteGlobalRef(self);
5923             env->DeleteGlobalRef(event);
5924             delete nhes;
5925             return;
5926         }
5927 
5928         /* Forward any valid synthesized events.  Currently only mouse and
5929          * key events are supported.
5930          */
5931         if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5932             env->DeleteGlobalRef(self);
5933             env->DeleteGlobalRef(event);
5934             delete nhes;
5935             return;
5936         }
5937 
5938         AwtComponent* p = (AwtComponent*)pData;
5939         if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5940             id <= java_awt_event_KeyEvent_KEY_LAST) {
5941             p->SynthesizeKeyMessage(env, event);
5942         } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5943                    id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5944             p->SynthesizeMouseMessage(env, event);
5945         }
5946     }
5947 
5948 ret:
5949     if (self != NULL) {
5950         env->DeleteGlobalRef(self);
5951     }
5952     if (event != NULL) {
5953         env->DeleteGlobalRef(event);
5954     }
5955 
5956     delete nhes;
5957 }
5958 
5959 void AwtComponent::_SetForeground(void *param)
5960 {
5961     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5962 
5963     SetColorStruct *scs = (SetColorStruct *)param;
5964     jobject self = scs->component;
5965     jint rgb = scs->rgb;
5966 
5967     AwtComponent *c = NULL;
5968 
5969     PDATA pData;
5970     JNI_CHECK_PEER_GOTO(self, ret);
5971     c = (AwtComponent *)pData;
5972     if (::IsWindow(c->GetHWnd()))
5973     {
5974         c->SetColor(PALETTERGB((rgb>>16)&0xff,
5975                                (rgb>>8)&0xff,
5976                                (rgb)&0xff));
5977         c->VerifyState();
5978     }
5979 ret:
5980     env->DeleteGlobalRef(self);
5981 
5982     delete scs;
5983 }
5984 
5985 void AwtComponent::_SetBackground(void *param)
5986 {
5987     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5988 
5989     SetColorStruct *scs = (SetColorStruct *)param;
5990     jobject self = scs->component;
5991     jint rgb = scs->rgb;
5992 
5993     AwtComponent *c = NULL;
5994 
5995     PDATA pData;
5996     JNI_CHECK_PEER_GOTO(self, ret);
5997     c = (AwtComponent *)pData;
5998     if (::IsWindow(c->GetHWnd()))
5999     {
6000         c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
6001                                          (rgb>>8)&0xff,
6002                                          (rgb)&0xff));
6003         c->VerifyState();
6004     }
6005 ret:
6006     env->DeleteGlobalRef(self);
6007 
6008     delete scs;
6009 }
6010 
6011 void AwtComponent::_SetFont(void *param)
6012 {
6013     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6014 
6015     SetFontStruct *sfs = (SetFontStruct *)param;
6016     jobject self = sfs->component;
6017     jobject font = sfs->font;
6018 
6019     AwtComponent *c = NULL;
6020 
6021     PDATA pData;
6022     JNI_CHECK_PEER_GOTO(self, ret);
6023     JNI_CHECK_NULL_GOTO(font, "null font", ret);
6024     c = (AwtComponent *)pData;
6025     if (::IsWindow(c->GetHWnd()))
6026     {
6027         AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
6028         if (awtFont == NULL) {
6029             /*arguments of AwtFont::Create are changed for multifont component */
6030             awtFont = AwtFont::Create(env, font);
6031         }
6032         env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
6033 
6034         c->SetFont(awtFont);
6035     }
6036 ret:
6037     env->DeleteGlobalRef(self);
6038     env->DeleteGlobalRef(font);
6039 
6040     delete sfs;
6041 }
6042 
6043 // Sets or kills focus for a component.
6044 void AwtComponent::_SetFocus(void *param)
6045 {
6046     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6047 
6048     SetFocusStruct *sfs = (SetFocusStruct *)param;
6049     jobject self = sfs->component;
6050     jboolean doSetFocus = sfs->doSetFocus;
6051 
6052     AwtComponent *c = NULL;
6053 
6054     PDATA pData;
6055     JNI_CHECK_NULL_GOTO(self, "peer", ret);
6056     pData = JNI_GET_PDATA(self);
6057     if (pData == NULL) {
6058         // do nothing just return false
6059         goto ret;
6060     }
6061 
6062     c = (AwtComponent *)pData;
6063     if (::IsWindow(c->GetHWnd())) {
6064         c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
6065     }
6066 ret:
6067     env->DeleteGlobalRef(self);
6068 
6069     delete sfs;
6070 }
6071 
6072 void AwtComponent::_Start(void *param)
6073 {
6074     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6075 
6076     jobject self = (jobject)param;
6077 
6078     AwtComponent *c = NULL;
6079 
6080     PDATA pData;
6081     JNI_CHECK_PEER_GOTO(self, ret);
6082     c = (AwtComponent *)pData;
6083     if (::IsWindow(c->GetHWnd()))
6084     {
6085         jobject target = c->GetTarget(env);
6086 
6087         /* Disable window if specified -- windows are enabled by default. */
6088         jboolean enabled = (jboolean)env->GetBooleanField(target,
6089                                                           AwtComponent::enabledID);
6090         if (!enabled) {
6091             ::EnableWindow(c->GetHWnd(), FALSE);
6092         }
6093 
6094         /* The peer is now ready for callbacks, since this is the last
6095          * initialization call
6096          */
6097         c->EnableCallbacks(TRUE);
6098 
6099         // Fix 4745222: we need to invalidate region since we validated it before initialization.
6100         ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
6101 
6102         // Fix 4530093: WM_PAINT after EnableCallbacks
6103         ::UpdateWindow(c->GetHWnd());
6104 
6105         env->DeleteLocalRef(target);
6106     }
6107 ret:
6108     env->DeleteGlobalRef(self);
6109 }
6110 
6111 void AwtComponent::_BeginValidate(void *param)
6112 {
6113     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6114     if (AwtToolkit::IsMainThread()) {
6115         jobject self = (jobject)param;
6116         if (self != NULL) {
6117             PDATA pData = JNI_GET_PDATA(self);
6118             if (pData) {
6119                 AwtComponent *c = (AwtComponent *)pData;
6120                 if (::IsWindow(c->GetHWnd())) {
6121                     c->SendMessage(WM_AWT_BEGIN_VALIDATE);
6122                 }
6123             }
6124             env->DeleteGlobalRef(self);
6125         }
6126     } else {
6127         AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
6128     }
6129 }
6130 
6131 void AwtComponent::_EndValidate(void *param)
6132 {
6133     if (AwtToolkit::IsMainThread()) {
6134         JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6135         jobject self = (jobject)param;
6136         if (self != NULL) {
6137             PDATA pData = JNI_GET_PDATA(self);
6138             if (pData) {
6139                 AwtComponent *c = (AwtComponent *)pData;
6140                 if (::IsWindow(c->GetHWnd())) {
6141                     c->SendMessage(WM_AWT_END_VALIDATE);
6142                 }
6143             }
6144             env->DeleteGlobalRef(self);
6145         }
6146     } else {
6147         AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
6148     }
6149 }
6150 
6151 void AwtComponent::_UpdateWindow(void *param)
6152 {
6153     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6154     if (AwtToolkit::IsMainThread()) {
6155         jobject self = (jobject)param;
6156         AwtComponent *c = NULL;
6157         PDATA pData;
6158         JNI_CHECK_PEER_GOTO(self, ret);
6159         c = (AwtComponent *)pData;
6160         if (::IsWindow(c->GetHWnd())) {
6161             ::UpdateWindow(c->GetHWnd());
6162         }
6163 ret:
6164         env->DeleteGlobalRef(self);
6165     } else {
6166         AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
6167     }
6168 }
6169 
6170 jlong AwtComponent::_AddNativeDropTarget(void *param)
6171 {
6172     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6173 
6174     jobject self = (jobject)param;
6175 
6176     jlong result = 0;
6177     AwtComponent *c = NULL;
6178 
6179     PDATA pData;
6180     JNI_CHECK_PEER_GOTO(self, ret);
6181     c = (AwtComponent *)pData;
6182     if (::IsWindow(c->GetHWnd()))
6183     {
6184         result = (jlong)(c->CreateDropTarget(env));
6185     }
6186 ret:
6187     env->DeleteGlobalRef(self);
6188 
6189     return result;
6190 }
6191 
6192 void AwtComponent::_RemoveNativeDropTarget(void *param)
6193 {
6194     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6195 
6196     jobject self = (jobject)param;
6197 
6198     AwtComponent *c = NULL;
6199 
6200     PDATA pData;
6201     JNI_CHECK_PEER_GOTO(self, ret);
6202     c = (AwtComponent *)pData;
6203     if (::IsWindow(c->GetHWnd()))
6204     {
6205         c->DestroyDropTarget();
6206     }
6207 ret:
6208     env->DeleteGlobalRef(self);
6209 }
6210 
6211 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6212 {
6213     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6214 
6215     CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6216     jobject self = cpps->component;
6217 
6218     jintArray result = NULL;
6219     AwtComponent *c = NULL;
6220 
6221     PDATA pData;
6222     JNI_CHECK_PEER_GOTO(self, ret);
6223     c = (AwtComponent *)pData;
6224     if (::IsWindow(c->GetHWnd()))
6225     {
6226         result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6227     }
6228 ret:
6229     env->DeleteGlobalRef(self);
6230 
6231     delete cpps;
6232     return result; // this reference is global
6233 }
6234 
6235 jboolean AwtComponent::_IsObscured(void *param)
6236 {
6237     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6238 
6239     jobject self = (jobject)param;
6240 
6241     jboolean result = JNI_FALSE;
6242     AwtComponent *c = NULL;
6243 
6244     PDATA pData;
6245     JNI_CHECK_PEER_GOTO(self, ret);
6246 
6247     c = (AwtComponent *)pData;
6248 
6249     if (::IsWindow(c->GetHWnd()))
6250     {
6251         HWND hWnd = c->GetHWnd();
6252         HDC hDC = ::GetDC(hWnd);
6253         RECT clipbox;
6254         int callresult = ::GetClipBox(hDC, &clipbox);
6255         switch(callresult) {
6256             case NULLREGION :
6257                 result = JNI_FALSE;
6258                 break;
6259             case SIMPLEREGION : {
6260                 RECT windowRect;
6261                 if (!::GetClientRect(hWnd, &windowRect)) {
6262                     result = JNI_TRUE;
6263                 } else {
6264                     result  = (jboolean)((clipbox.bottom != windowRect.bottom)
6265                         || (clipbox.left != windowRect.left)
6266                         || (clipbox.right != windowRect.right)
6267                         || (clipbox.top != windowRect.top));
6268                 }
6269                 break;
6270             }
6271             case COMPLEXREGION :
6272             default :
6273                 result = JNI_TRUE;
6274                 break;
6275         }
6276         ::ReleaseDC(hWnd, hDC);
6277     }
6278 ret:
6279     env->DeleteGlobalRef(self);
6280 
6281     return result;
6282 }
6283 
6284 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6285 {
6286     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6287 
6288     jobject self = (jobject)param;
6289 
6290     jboolean result = JNI_FALSE;
6291     AwtComponent *c = NULL;
6292 
6293     PDATA pData;
6294     JNI_CHECK_PEER_GOTO(self, ret);
6295     c = (AwtComponent *)pData;
6296     if (::IsWindow(c->GetHWnd()))
6297     {
6298         result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6299     }
6300 ret:
6301     env->DeleteGlobalRef(self);
6302 
6303     return result;
6304 }
6305 
6306 void AwtComponent::_SetParent(void * param)
6307 {
6308     if (AwtToolkit::IsMainThread()) {
6309         JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6310         SetParentStruct *data = (SetParentStruct*) param;
6311         jobject self = data->component;
6312         jobject parent = data->parentComp;
6313 
6314         AwtComponent *awtComponent = NULL;
6315         AwtComponent *awtParent = NULL;
6316 
6317         PDATA pData;
6318         JNI_CHECK_PEER_GOTO(self, ret);
6319         awtComponent = (AwtComponent *)pData;
6320         JNI_CHECK_PEER_GOTO(parent, ret);
6321         awtParent = (AwtComponent *)pData;
6322 
6323         HWND selfWnd = awtComponent->GetHWnd();
6324         HWND parentWnd = awtParent->GetHWnd();
6325         if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6326             // Shouldn't trigger native focus change
6327             // (only the proxy may be the native focus owner).
6328             ::SetParent(selfWnd, parentWnd);
6329         }
6330 ret:
6331         env->DeleteGlobalRef(self);
6332         env->DeleteGlobalRef(parent);
6333         delete data;
6334     } else {
6335         AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetParent, param);
6336     }
6337 }
6338 
6339 void AwtComponent::_SetRectangularShape(void *param)
6340 {
6341     if (!AwtToolkit::IsMainThread()) {
6342         AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6343     } else {
6344         JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6345 
6346         SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6347         jobject self = data->component;
6348         jint x1 = data->x1;
6349         jint x2 = data->x2;
6350         jint y1 = data->y1;
6351         jint y2 = data->y2;
6352         jobject region = data->region;
6353 
6354         AwtComponent *c = NULL;
6355 
6356         PDATA pData;
6357         JNI_CHECK_PEER_GOTO(self, ret);
6358 
6359         c = (AwtComponent *)pData;
6360         if (::IsWindow(c->GetHWnd())) {
6361             HRGN hRgn = NULL;
6362 
6363             // If all the params are zeros, the shape must be simply reset.
6364             // Otherwise, convert it into a region.
6365             if (region || x1 || x2 || y1 || y2) {
6366                 RECT_T rects[256];
6367                 RECT_T *pRect = rects;
6368 
6369                 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6370                         region, &pRect, sizeof(rects)/sizeof(rects[0]));
6371                 if (!pRect) {
6372                     // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6373                     // so throw the exception explicitly
6374                     throw std::bad_alloc();
6375                 }
6376 
6377                 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6378                         sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6379                 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6380                 if (pRect != rects) {
6381                     free(pRect);
6382                 }
6383                 pRect = NULL;
6384 
6385                 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6386                 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6387                 pRgnHdr->iType = RDH_RECTANGLES;
6388                 pRgnHdr->nRgnSize = 0;
6389                 pRgnHdr->rcBound.top = 0;
6390                 pRgnHdr->rcBound.left = 0;
6391                 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6392                 pRgnHdr->rcBound.right = LONG(x2 - x1);
6393                 pRgnHdr->nCount = numrects;
6394 
6395                 hRgn = ::ExtCreateRegion(NULL,
6396                         sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6397 
6398                 free(pRgnData);
6399             }
6400 
6401             ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6402         }
6403 
6404 ret:
6405         env->DeleteGlobalRef(self);
6406         if (region) {
6407             env->DeleteGlobalRef(region);
6408         }
6409 
6410         delete data;
6411     }
6412 }
6413 
6414 void AwtComponent::_SetZOrder(void *param) {
6415     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6416 
6417     SetZOrderStruct *data = (SetZOrderStruct *)param;
6418     jobject self = data->component;
6419     HWND above = HWND_TOP;
6420     if (data->above != 0) {
6421         above = reinterpret_cast<HWND>(data->above);
6422     }
6423 
6424     AwtComponent *c = NULL;
6425 
6426     PDATA pData;
6427     JNI_CHECK_PEER_GOTO(self, ret);
6428 
6429     c = (AwtComponent *)pData;
6430     if (::IsWindow(c->GetHWnd())) {
6431         ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6432                        SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6433     }
6434 
6435 ret:
6436     env->DeleteGlobalRef(self);
6437 
6438     delete data;
6439 }
6440 
6441 void AwtComponent::PostUngrabEvent() {
6442     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6443     jobject target = GetTarget(env);
6444     jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6445                                         target);
6446     if (safe_ExceptionOccurred(env)) {
6447         env->ExceptionDescribe();
6448         env->ExceptionClear();
6449     }
6450     env->DeleteLocalRef(target);
6451     if (event != NULL) {
6452         SendEvent(event);
6453         env->DeleteLocalRef(event);
6454     }
6455 }
6456 
6457 void AwtComponent::SetFocusedWindow(HWND window)
6458 {
6459     HWND old = sm_focusedWindow;
6460     sm_focusedWindow = window;
6461 
6462     AwtWindow::FocusedWindowChanged(old, window);
6463 }
6464 
6465 /************************************************************************
6466  * Component native methods
6467  */
6468 
6469 extern "C" {
6470 
6471 /**
6472  * This method is called from the WGL pipeline when it needs to retrieve
6473  * the HWND associated with a ComponentPeer's C++ level object.
6474  */
6475 HWND
6476 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6477 {
6478     AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6479     if (p == NULL) {
6480         return (HWND)0;
6481     }
6482     return p->GetHWnd();
6483 }
6484 
6485 static void _GetInsets(void* param)
6486 {
6487     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6488 
6489     GetInsetsStruct *gis = (GetInsetsStruct *)param;
6490     jobject self = gis->window;
6491 
6492     gis->insets->left = gis->insets->top =
6493         gis->insets->right = gis->insets->bottom = 0;
6494 
6495     PDATA pData;
6496     JNI_CHECK_PEER_GOTO(self, ret);
6497     AwtComponent *component = (AwtComponent *)pData;
6498 
6499     component->GetInsets(gis->insets);
6500 
6501   ret:
6502     env->DeleteGlobalRef(self);
6503     delete gis;
6504 }
6505 
6506 /**
6507  * This method is called from the WGL pipeline when it needs to retrieve
6508  * the insets associated with a ComponentPeer's C++ level object.
6509  */
6510 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6511 {
6512     TRY;
6513 
6514     GetInsetsStruct *gis = new GetInsetsStruct;
6515     gis->window = env->NewGlobalRef(peer);
6516     gis->insets = insets;
6517 
6518     AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6519     // global refs and mds are deleted in _UpdateWindow
6520 
6521     CATCH_BAD_ALLOC;
6522 
6523 }
6524 
6525 JNIEXPORT void JNICALL
6526 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6527 {
6528     TRY;
6529     jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6530     CHECK_NULL(inputEventClazz);
6531     jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6532     CHECK_NULL(getButtonDownMasksID);
6533     jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6534     jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6535     CHECK_NULL(tmp);
6536     jsize len = env->GetArrayLength(obj);
6537     AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6538     for (int i = 0; i < len; i++) {
6539         AwtComponent::masks[i] = tmp[i];
6540     }
6541     env->ReleaseIntArrayElements(obj, tmp, 0);
6542     env->DeleteLocalRef(obj);
6543 
6544     /* class ids */
6545     jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6546 
6547     DASSERT(peerCls);
6548     CHECK_NULL(peerCls);
6549 
6550     /* field ids */
6551     AwtComponent::peerID =
6552       env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6553     DASSERT(AwtComponent::peerID);
6554     CHECK_NULL(AwtComponent::peerID);
6555 
6556     AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6557     DASSERT(AwtComponent::xID);
6558     CHECK_NULL(AwtComponent::xID);
6559 
6560     AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6561     DASSERT(AwtComponent::yID);
6562     CHECK_NULL(AwtComponent::yID);
6563 
6564     AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6565     DASSERT(AwtComponent::heightID);
6566     CHECK_NULL(AwtComponent::heightID);
6567 
6568     AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6569     DASSERT(AwtComponent::widthID);
6570     CHECK_NULL(AwtComponent::widthID);
6571 
6572     AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6573     DASSERT(AwtComponent::visibleID);
6574     CHECK_NULL(AwtComponent::visibleID);
6575 
6576     AwtComponent::backgroundID =
6577         env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6578     DASSERT(AwtComponent::backgroundID);
6579     CHECK_NULL(AwtComponent::backgroundID);
6580 
6581     AwtComponent::foregroundID =
6582         env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6583     DASSERT(AwtComponent::foregroundID);
6584     CHECK_NULL(AwtComponent::foregroundID);
6585 
6586     AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6587     DASSERT(AwtComponent::enabledID);
6588     CHECK_NULL(AwtComponent::enabledID);
6589 
6590     AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6591     DASSERT(AwtComponent::parentID);
6592     CHECK_NULL(AwtComponent::parentID);
6593 
6594     AwtComponent::graphicsConfigID =
6595      env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6596     DASSERT(AwtComponent::graphicsConfigID);
6597     CHECK_NULL(AwtComponent::graphicsConfigID);
6598 
6599     AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6600     DASSERT(AwtComponent::focusableID);
6601     CHECK_NULL(AwtComponent::focusableID);
6602 
6603     AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6604                                                  "Lsun/awt/AppContext;");
6605     DASSERT(AwtComponent::appContextID);
6606     CHECK_NULL(AwtComponent::appContextID);
6607 
6608     AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6609                                         "Lsun/awt/Win32GraphicsConfig;");
6610     DASSERT(AwtComponent::peerGCID);
6611     CHECK_NULL(AwtComponent::peerGCID);
6612 
6613     AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6614     DASSERT(AwtComponent::hwndID);
6615     CHECK_NULL(AwtComponent::hwndID);
6616 
6617     AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6618     DASSERT(AwtComponent::cursorID);
6619     CHECK_NULL(AwtComponent::cursorID);
6620 
6621     /* method ids */
6622     AwtComponent::getFontMID =
6623         env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6624     DASSERT(AwtComponent::getFontMID);
6625     CHECK_NULL(AwtComponent::getFontMID);
6626 
6627     AwtComponent::getToolkitMID =
6628         env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6629     DASSERT(AwtComponent::getToolkitMID);
6630     CHECK_NULL(AwtComponent::getToolkitMID);
6631 
6632     AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6633     DASSERT(AwtComponent::isEnabledMID);
6634     CHECK_NULL(AwtComponent::isEnabledMID);
6635 
6636     AwtComponent::getLocationOnScreenMID =
6637         env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6638     DASSERT(AwtComponent::getLocationOnScreenMID);
6639     CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6640 
6641     AwtComponent::replaceSurfaceDataMID =
6642         env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6643     DASSERT(AwtComponent::replaceSurfaceDataMID);
6644     CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6645 
6646     AwtComponent::replaceSurfaceDataLaterMID =
6647         env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6648     DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6649     CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6650 
6651     AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6652     DASSERT(AwtComponent::disposeLaterMID);
6653     CHECK_NULL(AwtComponent::disposeLaterMID);
6654 
6655     CATCH_BAD_ALLOC;
6656 }
6657 
6658 } /* extern "C" */
6659 
6660 
6661 /************************************************************************
6662  * ComponentPeer native methods
6663  */
6664 
6665 extern "C" {
6666 
6667 /*
6668  * Class:     sun_awt_windows_WComponentPeer
6669  * Method:    pShow
6670  * Signature: ()V
6671  */
6672 JNIEXPORT void JNICALL
6673 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6674 {
6675     TRY;
6676 
6677     jobject selfGlobalRef = env->NewGlobalRef(self);
6678 
6679     AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6680     // selfGlobalRef is deleted in _Show
6681 
6682     CATCH_BAD_ALLOC;
6683 }
6684 
6685 /*
6686  * Class:     sun_awt_windows_WComponentPeer
6687  * Method:    hide
6688  * Signature: ()V
6689  */
6690 JNIEXPORT void JNICALL
6691 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6692 {
6693     TRY;
6694 
6695     jobject selfGlobalRef = env->NewGlobalRef(self);
6696 
6697     AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6698     // selfGlobalRef is deleted in _Hide
6699 
6700     CATCH_BAD_ALLOC;
6701 }
6702 
6703 /*
6704  * Class:     sun_awt_windows_WComponentPeer
6705  * Method:    enable
6706  * Signature: ()V
6707  */
6708 JNIEXPORT void JNICALL
6709 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6710 {
6711     TRY;
6712 
6713     jobject selfGlobalRef = env->NewGlobalRef(self);
6714 
6715     AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6716     // selfGlobalRef is deleted in _Enable
6717 
6718     CATCH_BAD_ALLOC;
6719 }
6720 
6721 /*
6722  * Class:     sun_awt_windows_WComponentPeer
6723  * Method:    disable
6724  * Signature: ()V
6725  */
6726 JNIEXPORT void JNICALL
6727 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6728 {
6729     TRY;
6730 
6731     jobject selfGlobalRef = env->NewGlobalRef(self);
6732 
6733     AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6734     // selfGlobalRef is deleted in _Disable
6735 
6736     CATCH_BAD_ALLOC;
6737 }
6738 
6739 /*
6740  * Class:     sun_awt_windows_WComponentPeer
6741  * Method:    getLocationOnScreen
6742  * Signature: ()Ljava/awt/Point;
6743  */
6744 JNIEXPORT jobject JNICALL
6745 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6746 {
6747     TRY;
6748 
6749     jobject selfGlobalRef = env->NewGlobalRef(self);
6750 
6751     jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6752         (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6753     // selfGlobalRef is deleted in _GetLocationOnScreen
6754     if (resultGlobalRef != NULL)
6755     {
6756         jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6757         env->DeleteGlobalRef(resultGlobalRef);
6758         return resultLocalRef;
6759     }
6760 
6761     return NULL;
6762 
6763     CATCH_BAD_ALLOC_RET(NULL);
6764 }
6765 
6766 /*
6767  * Class:     sun_awt_windows_WComponentPeer
6768  * Method:    reshape
6769  * Signature: (IIII)V
6770  */
6771 JNIEXPORT void JNICALL
6772 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6773                                             jint x, jint y, jint w, jint h)
6774 {
6775     TRY;
6776 
6777     ReshapeStruct *rs = new ReshapeStruct;
6778     rs->component = env->NewGlobalRef(self);
6779     rs->x = x;
6780     rs->y = y;
6781     rs->w = w;
6782     rs->h = h;
6783 
6784     AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6785     // global ref and rs are deleted in _Reshape
6786 
6787     CATCH_BAD_ALLOC;
6788 }
6789 
6790 /*
6791  * Class:     sun_awt_windows_WComponentPeer
6792  * Method:    reshape
6793  * Signature: (IIII)V
6794  */
6795 JNIEXPORT void JNICALL
6796 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6797                                             jint x, jint y, jint w, jint h)
6798 {
6799     TRY;
6800 
6801     ReshapeStruct *rs = new ReshapeStruct;
6802     rs->component = env->NewGlobalRef(self);
6803     rs->x = x;
6804     rs->y = y;
6805     rs->w = w;
6806     rs->h = h;
6807 
6808     AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6809     // global ref and rs are deleted in _ReshapeNoCheck
6810 
6811     CATCH_BAD_ALLOC;
6812 }
6813 
6814 
6815 /*
6816  * Class:     sun_awt_windows_WComponentPeer
6817  * Method:    nativeHandleEvent
6818  * Signature: (Ljava/awt/AWTEvent;)V
6819  */
6820 JNIEXPORT void JNICALL
6821 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6822                                                       jobject self,
6823                                                       jobject event)
6824 {
6825     TRY;
6826 
6827     jobject selfGlobalRef = env->NewGlobalRef(self);
6828     jobject eventGlobalRef = env->NewGlobalRef(event);
6829 
6830     NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6831     nhes->component = selfGlobalRef;
6832     nhes->event = eventGlobalRef;
6833 
6834     AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6835     // global refs and nhes are deleted in _NativeHandleEvent
6836 
6837     CATCH_BAD_ALLOC;
6838 }
6839 
6840 /*
6841  * Class:     sun_awt_windows_WComponentPeer
6842  * Method:    _dispose
6843  * Signature: ()V
6844  */
6845 JNIEXPORT void JNICALL
6846 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6847 {
6848     TRY_NO_HANG;
6849 
6850     AwtObject::_Dispose(self);
6851 
6852     CATCH_BAD_ALLOC;
6853 }
6854 
6855 /*
6856  * Class:     sun_awt_windows_WComponentPeer
6857  * Method:    _setForeground
6858  * Signature: (I)V
6859  */
6860 JNIEXPORT void JNICALL
6861 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6862                                                     jint rgb)
6863 {
6864     TRY;
6865 
6866     jobject selfGlobalRef = env->NewGlobalRef(self);
6867 
6868     SetColorStruct *scs = new SetColorStruct;
6869     scs->component = selfGlobalRef;
6870     scs->rgb = rgb;
6871 
6872     AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6873     // selfGlobalRef and scs are deleted in _SetForeground()
6874 
6875     CATCH_BAD_ALLOC;
6876 }
6877 
6878 /*
6879  * Class:     sun_awt_windows_WComponentPeer
6880  * Method:    _setBackground
6881  * Signature: (I)V
6882  */
6883 JNIEXPORT void JNICALL
6884 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6885                                                     jint rgb)
6886 {
6887     TRY;
6888 
6889     jobject selfGlobalRef = env->NewGlobalRef(self);
6890 
6891     SetColorStruct *scs = new SetColorStruct;
6892     scs->component = selfGlobalRef;
6893     scs->rgb = rgb;
6894 
6895     AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6896     // selfGlobalRef and scs are deleted in _SetBackground()
6897 
6898     CATCH_BAD_ALLOC;
6899 }
6900 
6901 /*
6902  * Class:     sun_awt_windows_WComponentPeer
6903  * Method:    _setFont
6904  * Signature: (Ljava/awt/Font;)V
6905  */
6906 JNIEXPORT void JNICALL
6907 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6908                         jobject font)
6909 {
6910     TRY;
6911 
6912     jobject selfGlobalRef = env->NewGlobalRef(self);
6913     jobject fontGlobalRef = env->NewGlobalRef(font);
6914 
6915     SetFontStruct *sfs = new SetFontStruct;
6916     sfs->component = selfGlobalRef;
6917     sfs->font = fontGlobalRef;
6918 
6919     AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6920     // global refs and sfs are deleted in _SetFont()
6921 
6922     CATCH_BAD_ALLOC;
6923 }
6924 
6925 /*
6926  * Class:     sun_awt_windows_WComponentPeer
6927  * Method:    focusGained
6928  * Signature: (Z)
6929  */
6930 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6931     (JNIEnv *env, jobject self, jboolean doSetFocus)
6932 {
6933     TRY;
6934 
6935     jobject selfGlobalRef = env->NewGlobalRef(self);
6936 
6937     SetFocusStruct *sfs = new SetFocusStruct;
6938     sfs->component = selfGlobalRef;
6939     sfs->doSetFocus = doSetFocus;
6940 
6941     AwtToolkit::GetInstance().SyncCall(
6942         (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6943     // global refs and self are deleted in _SetFocus
6944 
6945     CATCH_BAD_ALLOC;
6946 }
6947 
6948 /*
6949  * Class:     sun_awt_windows_WComponentPeer
6950  * Method:    start
6951  * Signature: ()V
6952  */
6953 JNIEXPORT void JNICALL
6954 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6955 {
6956     TRY;
6957 
6958     jobject selfGlobalRef = env->NewGlobalRef(self);
6959 
6960     AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6961     // selfGlobalRef is deleted in _Start
6962 
6963     CATCH_BAD_ALLOC;
6964 }
6965 
6966 /*
6967  * Class:     sun_awt_windows_WComponentPeer
6968  * Method:    beginValidate
6969  * Signature: ()V
6970  */
6971 JNIEXPORT void JNICALL
6972 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6973 {
6974     TRY;
6975 
6976     jobject selfGlobalRef = env->NewGlobalRef(self);
6977 
6978     AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6979     // selfGlobalRef is deleted in _BeginValidate
6980 
6981     CATCH_BAD_ALLOC;
6982 }
6983 
6984 /*
6985  * Class:     sun_awt_windows_WComponentPeer
6986  * Method:    endValidate
6987  * Signature: ()V
6988  */
6989 JNIEXPORT void JNICALL
6990 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6991 {
6992     TRY;
6993 
6994     jobject selfGlobalRef = env->NewGlobalRef(self);
6995 
6996     AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
6997     // selfGlobalRef is deleted in _EndValidate
6998 
6999     CATCH_BAD_ALLOC;
7000 }
7001 
7002 JNIEXPORT void JNICALL
7003 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
7004 {
7005     TRY;
7006 
7007     jobject selfGlobalRef = env->NewGlobalRef(self);
7008 
7009     AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
7010     // selfGlobalRef is deleted in _UpdateWindow
7011 
7012     CATCH_BAD_ALLOC;
7013 }
7014 
7015 /*
7016  * Class:     sun_awt_windows_WComponentPeer
7017  * Method:    addNativeDropTarget
7018  * Signature: ()L
7019  */
7020 
7021 JNIEXPORT jlong JNICALL
7022 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
7023                                                         jobject self)
7024 {
7025     TRY;
7026 
7027     jobject selfGlobalRef = env->NewGlobalRef(self);
7028 
7029     return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
7030         (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
7031         (void *)selfGlobalRef));
7032     // selfGlobalRef is deleted in _AddNativeDropTarget
7033 
7034     CATCH_BAD_ALLOC_RET(0);
7035 }
7036 
7037 /*
7038  * Class:     sun_awt_windows_WComponentPeer
7039  * Method:    removeNativeDropTarget
7040  * Signature: ()V
7041  */
7042 
7043 JNIEXPORT void JNICALL
7044 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
7045                                                            jobject self)
7046 {
7047     TRY;
7048 
7049     jobject selfGlobalRef = env->NewGlobalRef(self);
7050 
7051     AwtToolkit::GetInstance().SyncCall(
7052         AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
7053     // selfGlobalRef is deleted in _RemoveNativeDropTarget
7054 
7055     CATCH_BAD_ALLOC;
7056 }
7057 
7058 /*
7059  * Class:     sun_awt_windows_WComponentPeer
7060  * Method:    getTargetGC
7061  * Signature: ()Ljava/awt/GraphicsConfiguration;
7062  */
7063 JNIEXPORT jobject JNICALL
7064 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
7065 {
7066     TRY;
7067 
7068     jobject targetObj;
7069     jobject gc = 0;
7070 
7071     targetObj = env->GetObjectField(theThis, AwtObject::targetID);
7072     DASSERT(targetObj);
7073 
7074     gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
7075     return gc;
7076 
7077     CATCH_BAD_ALLOC_RET(NULL);
7078 }
7079 
7080 /*
7081  * Class:     sun_awt_windows_WComponentPeer
7082  * Method:    createPrintedPixels
7083  * Signature: (IIIIII)I[
7084  */
7085 JNIEXPORT jintArray JNICALL
7086 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
7087     jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
7088 {
7089     TRY;
7090 
7091     jobject selfGlobalRef = env->NewGlobalRef(self);
7092 
7093     CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
7094     cpps->component = selfGlobalRef;
7095     cpps->srcx = srcX;
7096     cpps->srcy = srcY;
7097     cpps->srcw = srcW;
7098     cpps->srch = srcH;
7099     cpps->alpha = alpha;
7100 
7101     jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
7102         (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
7103     // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
7104     if (globalRef != NULL)
7105     {
7106         jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
7107         env->DeleteGlobalRef(globalRef);
7108         return localRef;
7109     }
7110     else
7111     {
7112         return NULL;
7113     }
7114 
7115     CATCH_BAD_ALLOC_RET(NULL);
7116 }
7117 
7118 /*
7119  * Class:     sun_awt_windows_WComponentPeer
7120  * Method:    nativeHandlesWheelScrolling
7121  * Signature: ()Z
7122  */
7123 JNIEXPORT jboolean JNICALL
7124 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
7125     jobject self)
7126 {
7127     TRY;
7128 
7129     return (jboolean)AwtToolkit::GetInstance().SyncCall(
7130         (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
7131         env->NewGlobalRef(self));
7132     // global ref is deleted in _NativeHandlesWheelScrolling
7133 
7134     CATCH_BAD_ALLOC_RET(NULL);
7135 }
7136 
7137 /*
7138  * Class:     sun_awt_windows_WComponentPeer
7139  * Method:    isObscured
7140  * Signature: ()Z
7141  */
7142 JNIEXPORT jboolean JNICALL
7143 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
7144     jobject self)
7145 {
7146     TRY;
7147 
7148     jobject selfGlobalRef = env->NewGlobalRef(self);
7149 
7150     return (jboolean)AwtToolkit::GetInstance().SyncCall(
7151         (void*(*)(void*))AwtComponent::_IsObscured,
7152         (void *)selfGlobalRef);
7153     // selfGlobalRef is deleted in _IsObscured
7154 
7155     CATCH_BAD_ALLOC_RET(NULL);
7156 }
7157 
7158 JNIEXPORT void JNICALL
7159 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
7160     TRY;
7161 
7162     SetParentStruct * data = new SetParentStruct;
7163     data->component = env->NewGlobalRef(self);
7164     data->parentComp = env->NewGlobalRef(parent);
7165 
7166     AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetParent, data);
7167     // global refs and data are deleted in SetParent
7168 
7169     CATCH_BAD_ALLOC;
7170 }
7171 
7172 JNIEXPORT void JNICALL
7173 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
7174         jint x1, jint y1, jint x2, jint y2, jobject region)
7175 {
7176     TRY;
7177 
7178     SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
7179     data->component = env->NewGlobalRef(self);
7180     data->x1 = x1;
7181     data->x2 = x2;
7182     data->y1 = y1;
7183     data->y2 = y2;
7184     if (region) {
7185         data->region = env->NewGlobalRef(region);
7186     } else {
7187         data->region = NULL;
7188     }
7189 
7190     AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
7191     // global refs and data are deleted in _SetRectangularShape
7192 
7193     CATCH_BAD_ALLOC;
7194 }
7195 
7196 JNIEXPORT void JNICALL
7197 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
7198 {
7199     TRY;
7200 
7201     SetZOrderStruct * data = new SetZOrderStruct;
7202     data->component = env->NewGlobalRef(self);
7203     data->above = above;
7204 
7205     AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
7206     // global refs and data are deleted in _SetLower
7207 
7208     CATCH_BAD_ALLOC;
7209 }
7210 
7211 } /* extern "C" */
7212 
7213 
7214 /************************************************************************
7215  * Diagnostic routines
7216  */
7217 
7218 #ifdef DEBUG
7219 
7220 void AwtComponent::VerifyState()
7221 {
7222     if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7223         return;
7224     }
7225 
7226     if (m_callbacksEnabled == FALSE) {
7227         /* Component is not fully setup yet. */
7228         return;
7229     }
7230 
7231     /* Get target bounds. */
7232     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7233     if (env->PushLocalFrame(10) < 0)
7234         return;
7235 
7236     jobject target = GetTarget(env);
7237 
7238     jint x = env->GetIntField(target, AwtComponent::xID);
7239     jint y = env->GetIntField(target, AwtComponent::yID);
7240     jint width = env->GetIntField(target, AwtComponent::widthID);
7241     jint height = env->GetIntField(target, AwtComponent::heightID);
7242 
7243     /* Convert target origin to absolute coordinates */
7244     while (TRUE) {
7245 
7246         jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7247         if (parent == NULL) {
7248             break;
7249         }
7250         x += env->GetIntField(parent, AwtComponent::xID);
7251         y += env->GetIntField(parent, AwtComponent::yID);
7252 
7253         /* If this component has insets, factor them in, but ignore
7254          * top-level windows.
7255          */
7256         jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7257         if (parent2 != NULL) {
7258             jobject peer = GetPeerForTarget(env, parent);
7259             if (peer != NULL &&
7260                 JNU_IsInstanceOfByName(env, peer,
7261                                        "sun/awt/windows/WPanelPeer") > 0) {
7262                 jobject insets =
7263                     JNU_CallMethodByName(env, NULL, peer,"insets",
7264                                          "()Ljava/awt/Insets;").l;
7265                 x += (env)->GetIntField(insets, AwtInsets::leftID);
7266                 y += (env)->GetIntField(insets, AwtInsets::topID);
7267             }
7268         }
7269         env->DeleteLocalRef(target);
7270         target = parent;
7271     }
7272 
7273     x = ScaleUpX(x);
7274     y = ScaleUpY(y);
7275     width = ScaleUpX(width);
7276     height = ScaleUpY(height);
7277 
7278     // Test whether component's bounds match the native window's
7279     RECT rect;
7280     VERIFY(::GetWindowRect(GetHWnd(), &rect));
7281 #if 0
7282     DASSERT( (x == rect.left) &&
7283             (y == rect.top) &&
7284             (width == (rect.right-rect.left)) &&
7285             (height == (rect.bottom-rect.top)) );
7286 #else
7287     BOOL fSizeValid = ( (x == rect.left) &&
7288             (y == rect.top) &&
7289             (width == (rect.right-rect.left)) &&
7290             (height == (rect.bottom-rect.top)) );
7291 #endif
7292 
7293     // See if visible state matches
7294     BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7295     jboolean targetVisible;
7296     // To avoid possibly running client code on the toolkit thread, don't
7297     // do the following check if we're running on the toolkit thread.
7298     if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7299         targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7300                                                   "isShowing", "()Z").z;
7301         DASSERT(!safe_ExceptionOccurred(env));
7302     } else {
7303         targetVisible = wndVisible ? 1 : 0;
7304     }
7305 #if 0
7306     DASSERT( (targetVisible && wndVisible) ||
7307             (!targetVisible && !wndVisible) );
7308 #else
7309     BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7310             (!targetVisible && !wndVisible) );
7311 #endif
7312 
7313     // Check enabled state
7314     BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7315     jboolean enabled = (jboolean)env->GetBooleanField(target,
7316                                                       AwtComponent::enabledID);
7317 #if 0
7318     DASSERT( (enabled && wndEnabled) ||
7319             (!enabled && !wndEnabled) );
7320 #else
7321     BOOL fEnabledValid = ((enabled && wndEnabled) ||
7322                           (!(enabled && !wndEnabled) ));
7323 
7324     if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7325         printf("AwtComponent::ValidateState() failed:\n");
7326         // To avoid possibly running client code on the toolkit thread, don't
7327         // do the following call if we're running on the toolkit thread.
7328         if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7329             jstring targetStr =
7330                 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7331                                               "getName",
7332                                               "()Ljava/lang/String;").l;
7333             DASSERT(!safe_ExceptionOccurred(env));
7334             LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7335             printf("\t%S\n", targetStrW);
7336             JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7337         }
7338         printf("\twas:       [%d,%d,%dx%d]\n", x, y, width, height);
7339         if (!fSizeValid) {
7340             printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7341                    rect.right-rect.left, rect.bottom-rect.top);
7342         }
7343         if (!fVisibleValid) {
7344             printf("\tshould be: %s\n",
7345                    (targetVisible) ? "visible" : "hidden");
7346         }
7347         if (!fEnabledValid) {
7348             printf("\tshould be: %s\n",
7349                    enabled ? "enabled" : "disabled");
7350         }
7351     }
7352 #endif
7353     env->PopLocalFrame(0);
7354 }
7355 #endif //DEBUG
7356 
7357 // Methods for globally managed DC list
7358 
7359 /**
7360  * Add a new DC to the DC list for this component.
7361  */
7362 void DCList::AddDC(HDC hDC, HWND hWnd)
7363 {
7364     DCItem *newItem = new DCItem;
7365     newItem->hDC = hDC;
7366     newItem->hWnd = hWnd;
7367     AddDCItem(newItem);
7368 }
7369 
7370 void DCList::AddDCItem(DCItem *newItem)
7371 {
7372     listLock.Enter();
7373     newItem->next = head;
7374     head = newItem;
7375     listLock.Leave();
7376 }
7377 
7378 /**
7379  * Given a DC and window handle, remove the DC from the DC list
7380  * and return TRUE if it exists on the current list.  Otherwise
7381  * return FALSE.
7382  * A DC may not exist on the list because it has already
7383  * been released elsewhere (for example, the window
7384  * destruction process may release a DC while a rendering
7385  * thread may also want to release a DC when it notices that
7386  * its DC is obsolete for the current window).
7387  */
7388 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd)
7389 {
7390     listLock.Enter();
7391     DCItem **prevPtrPtr = &head;
7392     DCItem *listPtr = head;
7393     while (listPtr) {
7394         DCItem *nextPtr = listPtr->next;
7395         if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) {
7396             *prevPtrPtr = nextPtr;
7397             break;
7398         }
7399         prevPtrPtr = &listPtr->next;
7400         listPtr = nextPtr;
7401     }
7402     listLock.Leave();
7403     return listPtr;
7404 }
7405 
7406 /**
7407  * Remove all DCs from the DC list which are associated with
7408  * the same window as hWnd.  Return the list of those
7409  * DC's to the caller (which will then probably want to
7410  * call ReleaseDC() for the returned DCs).
7411  */
7412 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7413 {
7414     listLock.Enter();
7415     DCItem **prevPtrPtr = &head;
7416     DCItem *listPtr = head;
7417     DCItem *newListPtr = NULL;
7418     BOOL ret = FALSE;
7419     while (listPtr) {
7420         DCItem *nextPtr = listPtr->next;
7421         if (listPtr->hWnd == hWnd) {
7422             *prevPtrPtr = nextPtr;
7423             listPtr->next = newListPtr;
7424             newListPtr = listPtr;
7425         } else {
7426             prevPtrPtr = &listPtr->next;
7427         }
7428         listPtr = nextPtr;
7429     }
7430     listLock.Leave();
7431     return newListPtr;
7432 }
7433 
7434 
7435 /**
7436  * Realize palettes of all existing HDC objects
7437  */
7438 void DCList::RealizePalettes(int screen)
7439 {
7440     listLock.Enter();
7441     DCItem *listPtr = head;
7442     while (listPtr) {
7443         AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7444         listPtr = listPtr->next;
7445     }
7446     listLock.Leave();
7447 }
7448 
7449 void MoveDCToPassiveList(HDC hDC, HWND hWnd) {
7450     DCItem *removedDC;
7451     if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) {
7452         passiveDCList.AddDCItem(removedDC);
7453     }
7454 }
7455 
7456 void ReleaseDCList(HWND hwnd, DCList &list) {
7457     DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7458     while (removedDCs) {
7459         DCItem *tmpDCList = removedDCs;
7460         DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7461         int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7462         VERIFY(retValue != 0);
7463         if (retValue != 0) {
7464             // Valid ReleaseDC call; need to decrement GDI object counter
7465             AwtGDIObject::Decrement();
7466         }
7467         removedDCs = removedDCs->next;
7468         delete tmpDCList;
7469     }
7470 }
--- EOF ---