1 /* 2 * Copyright (c) 1996, 2015, 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_InputMethodEvent.h> 64 #include <sun_awt_windows_WInputMethod.h> 65 #include <java_awt_event_MouseEvent.h> 66 #include <java_awt_event_MouseWheelEvent.h> 67 68 // Begin -- Win32 SDK include files 69 #include <imm.h> 70 #include <ime.h> 71 // End -- Win32 SDK include files 72 73 #include <awt_DnDDT.h> 74 75 LPCTSTR szAwtComponentClassName = TEXT("SunAwtComponent"); 76 // register a message that no other window in the process (even in a plugin 77 // scenario) will be using 78 const UINT AwtComponent::WmAwtIsComponent = 79 ::RegisterWindowMessage(szAwtComponentClassName); 80 81 static HWND g_hwndDown = NULL; 82 static DCList activeDCList; 83 static DCList passiveDCList; 84 85 extern void CheckFontSmoothingSettings(HWND); 86 87 extern "C" { 88 // Remember the input language has changed by some user's action 89 // (Alt+Shift or through the language icon on the Taskbar) to control the 90 // race condition between the toolkit thread and the AWT event thread. 91 // This flag remains TRUE until the next WInputMethod.getNativeLocale() is 92 // issued. 93 BOOL g_bUserHasChangedInputLang = FALSE; 94 } 95 96 BOOL AwtComponent::sm_suppressFocusAndActivation = FALSE; 97 BOOL AwtComponent::sm_restoreFocusAndActivation = FALSE; 98 HWND AwtComponent::sm_focusOwner = NULL; 99 HWND AwtComponent::sm_focusedWindow = NULL; 100 BOOL AwtComponent::sm_bMenuLoop = FALSE; 101 AwtComponent* AwtComponent::sm_getComponentCache = NULL; 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 /************************************************************************/ 155 156 ////////////////////////////////////////////////////////////////////////// 157 158 /************************************************************************* 159 * AwtComponent fields 160 */ 161 162 163 jfieldID AwtComponent::peerID; 164 jfieldID AwtComponent::xID; 165 jfieldID AwtComponent::yID; 166 jfieldID AwtComponent::widthID; 167 jfieldID AwtComponent::heightID; 168 jfieldID AwtComponent::visibleID; 169 jfieldID AwtComponent::backgroundID; 170 jfieldID AwtComponent::foregroundID; 171 jfieldID AwtComponent::enabledID; 172 jfieldID AwtComponent::parentID; 173 jfieldID AwtComponent::graphicsConfigID; 174 jfieldID AwtComponent::peerGCID; 175 jfieldID AwtComponent::focusableID; 176 jfieldID AwtComponent::appContextID; 177 jfieldID AwtComponent::cursorID; 178 jfieldID AwtComponent::hwndID; 179 180 jmethodID AwtComponent::getFontMID; 181 jmethodID AwtComponent::getToolkitMID; 182 jmethodID AwtComponent::isEnabledMID; 183 jmethodID AwtComponent::getLocationOnScreenMID; 184 jmethodID AwtComponent::replaceSurfaceDataMID; 185 jmethodID AwtComponent::replaceSurfaceDataLaterMID; 186 jmethodID AwtComponent::disposeLaterMID; 187 188 HKL AwtComponent::m_hkl = ::GetKeyboardLayout(0); 189 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0)); 190 UINT AwtComponent::m_CodePage 191 = AwtComponent::LangToCodePage(m_idLang); 192 193 jint *AwtComponent::masks; 194 195 static BOOL bLeftShiftIsDown = false; 196 static BOOL bRightShiftIsDown = false; 197 static UINT lastShiftKeyPressed = 0; // init to safe value 198 199 // Added by waleed to initialize the RTL Flags 200 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC || 201 PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW; 202 BOOL AwtComponent::sm_rtlReadingOrder = 203 PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC; 204 205 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE; 206 207 HWND AwtComponent::sm_cursorOn; 208 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE; 209 210 CriticalSection windowMoveLock; 211 BOOL windowMoveLockHeld = FALSE; 212 213 /************************************************************************ 214 * AwtComponent methods 215 */ 216 217 AwtComponent::AwtComponent() 218 { 219 m_mouseButtonClickAllowed = 0; 220 m_callbacksEnabled = FALSE; 221 m_hwnd = NULL; 222 223 m_colorForeground = 0; 224 m_colorBackground = 0; 225 m_backgroundColorSet = FALSE; 226 m_penForeground = NULL; 227 m_brushBackground = NULL; 228 m_DefWindowProc = NULL; 229 m_nextControlID = 1; 230 m_childList = NULL; 231 m_myControlID = 0; 232 m_hdwp = NULL; 233 m_validationNestCount = 0; 234 235 m_dropTarget = NULL; 236 237 m_InputMethod = NULL; 238 m_useNativeCompWindow = TRUE; 239 m_PendingLeadByte = 0; 240 m_bitsCandType = 0; 241 242 windowMoveLockPosX = 0; 243 windowMoveLockPosY = 0; 244 windowMoveLockPosCX = 0; 245 windowMoveLockPosCY = 0; 246 247 m_hCursorCache = NULL; 248 249 m_bSubclassed = FALSE; 250 m_bPauseDestroy = FALSE; 251 252 m_MessagesProcessing = 0; 253 m_wheelRotationAmount = 0; 254 if (!sm_PrimaryDynamicTableBuilt) { 255 // do it once. 256 AwtComponent::BuildPrimaryDynamicTable(); 257 sm_PrimaryDynamicTableBuilt = TRUE; 258 } 259 } 260 261 AwtComponent::~AwtComponent() 262 { 263 DASSERT(AwtToolkit::IsMainThread()); 264 265 /* Disconnect all links. */ 266 UnlinkObjects(); 267 268 /* 269 * All the messages for this component are processed, native 270 * resources are freed, and Java object is not connected to 271 * the native one anymore. So we can safely destroy component's 272 * handle. 273 */ 274 DestroyHWnd(); 275 276 if (sm_getComponentCache == this) { 277 sm_getComponentCache = NULL; 278 } 279 } 280 281 void AwtComponent::Dispose() 282 { 283 // NOTE: in case the component/toplevel was focused, Java should 284 // have already taken care of proper transferring it or clearing. 285 286 if (m_hdwp != NULL) { 287 // end any deferred window positioning, regardless 288 // of m_validationNestCount 289 ::EndDeferWindowPos(m_hdwp); 290 } 291 292 // Send final message to release all DCs associated with this component 293 SendMessage(WM_AWT_RELEASE_ALL_DCS); 294 295 /* Stop message filtering. */ 296 UnsubclassHWND(); 297 298 /* Release global ref to input method */ 299 SetInputMethod(NULL, TRUE); 300 301 if (m_childList != NULL) 302 delete m_childList; 303 304 DestroyDropTarget(); 305 ReleaseDragCapture(0); 306 307 if (m_myControlID != 0) { 308 AwtComponent* parent = GetParent(); 309 if (parent != NULL) 310 parent->RemoveChild(m_myControlID); 311 } 312 313 ::RemoveProp(GetHWnd(), DrawingStateProp); 314 315 /* Release any allocated resources. */ 316 if (m_penForeground != NULL) { 317 m_penForeground->Release(); 318 m_penForeground = NULL; 319 } 320 if (m_brushBackground != NULL) { 321 m_brushBackground->Release(); 322 m_brushBackground = NULL; 323 } 324 325 if (m_bPauseDestroy) { 326 // AwtComponent::WmNcDestroy could be released now 327 m_bPauseDestroy = FALSE; 328 m_hwnd = NULL; 329 } 330 331 // The component instance is deleted using AwtObject::Dispose() method 332 AwtObject::Dispose(); 333 } 334 335 /* store component pointer in window extra bytes */ 336 void AwtComponent::SetComponentInHWND() { 337 DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL); 338 ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this); 339 } 340 341 /* 342 * static function to get AwtComponent pointer from hWnd -- 343 * you don't want to call this from inside a wndproc to avoid 344 * infinite recursion 345 */ 346 AwtComponent* AwtComponent::GetComponent(HWND hWnd) { 347 // Requests for Toolkit hwnd resolution happen pretty often. Check first. 348 if (hWnd == AwtToolkit::GetInstance().GetHWnd()) { 349 return NULL; 350 } 351 if (sm_getComponentCache && sm_getComponentCache->GetHWnd() == hWnd) { 352 return sm_getComponentCache; 353 } 354 355 // check that it's an AWT component from the same toolkit as the caller 356 if (::IsWindow(hWnd) && 357 AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL)) 358 { 359 DASSERT(WmAwtIsComponent != 0); 360 if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) { 361 return sm_getComponentCache = GetComponentImpl(hWnd); 362 } 363 } 364 return NULL; 365 } 366 367 /* 368 * static function to get AwtComponent pointer from hWnd-- 369 * different from GetComponent because caller knows the 370 * hwnd is an AWT component hwnd 371 */ 372 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) { 373 AwtComponent *component = 374 (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA); 375 DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) ); 376 DASSERT(!component || component->GetHWnd() == hWnd ); 377 return component; 378 } 379 380 /* 381 * Single window proc for all the components. Delegates real work to 382 * the component's WindowProc() member function. 383 */ 384 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message, 385 WPARAM wParam, LPARAM lParam) 386 { 387 TRY; 388 389 AwtComponent * self = AwtComponent::GetComponentImpl(hWnd); 390 if (self == NULL || self->GetHWnd() != hWnd || 391 message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully 392 { 393 return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam); 394 } else { 395 return self->WindowProc(message, wParam, lParam); 396 } 397 398 CATCH_BAD_ALLOC_RET(0); 399 } 400 401 BOOL AwtComponent::IsFocusable() { 402 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 403 jobject peer = GetPeer(env); 404 jobject target = env->GetObjectField(peer, AwtObject::targetID); 405 BOOL res = env->GetBooleanField(target, focusableID); 406 AwtWindow *pCont = GetContainer(); 407 if (pCont) { 408 res &= pCont->IsFocusableWindow(); 409 } 410 env->DeleteLocalRef(target); 411 return res; 412 } 413 414 /************************************************************************ 415 * AwtComponent dynamic methods 416 * 417 * Window class registration routines 418 */ 419 420 /* 421 * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon 422 */ 423 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc) 424 { 425 lpwc->cbSize = sizeof(WNDCLASSEX); 426 lpwc->style = 0L;//CS_OWNDC; 427 lpwc->lpfnWndProc = (WNDPROC)::DefWindowProc; 428 lpwc->cbClsExtra = 0; 429 lpwc->cbWndExtra = 0; 430 lpwc->hInstance = AwtToolkit::GetInstance().GetModuleHandle(), 431 lpwc->hIcon = AwtToolkit::GetInstance().GetAwtIcon(); 432 lpwc->hCursor = NULL; 433 lpwc->hbrBackground = NULL; 434 lpwc->lpszMenuName = NULL; 435 lpwc->lpszClassName = GetClassName(); 436 //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32 437 lpwc->hIconSm = AwtToolkit::GetInstance().GetAwtIconSm(); 438 } 439 440 void AwtComponent::RegisterClass() 441 { 442 WNDCLASSEX wc; 443 if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) { 444 FillClassInfo(&wc); 445 ATOM ret = ::RegisterClassEx(&wc); 446 DASSERT(ret != 0); 447 } 448 } 449 450 void AwtComponent::UnregisterClass() 451 { 452 ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle()); 453 } 454 455 /* 456 * Copy the graphicsConfig reference from Component into WComponentPeer 457 */ 458 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer) 459 { 460 jobject target = env->GetObjectField(peer, AwtObject::targetID); 461 //Get graphicsConfig object ref from Component 462 jobject compGC = env->GetObjectField(target, 463 AwtComponent::graphicsConfigID); 464 465 //Set peer's graphicsConfig to Component's graphicsConfig 466 if (compGC != NULL) { 467 jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig"); 468 DASSERT(win32GCCls != NULL); 469 DASSERT(env->IsInstanceOf(compGC, win32GCCls)); 470 if (win32GCCls == NULL) { 471 throw std::bad_alloc(); 472 } 473 env->SetObjectField(peer, AwtComponent::peerGCID, compGC); 474 } 475 } 476 477 void 478 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title, 479 DWORD windowStyle, 480 DWORD windowExStyle, 481 int x, int y, int w, int h, 482 HWND hWndParent, HMENU hMenu, 483 COLORREF colorForeground, 484 COLORREF colorBackground, 485 jobject peer) 486 { 487 if (env->EnsureLocalCapacity(2) < 0) { 488 return; 489 } 490 491 /* 492 * The window class of multifont label must be "BUTTON" because 493 * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject 494 * member is referred in the GetClassName method of AwtLabel class. 495 * So m_peerObject member must be set here. 496 */ 497 if (m_peerObject == NULL) { 498 m_peerObject = env->NewGlobalRef(peer); 499 } else { 500 assert(env->IsSameObject(m_peerObject, peer)); 501 } 502 503 RegisterClass(); 504 505 jobject target = env->GetObjectField(peer, AwtObject::targetID); 506 jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID); 507 m_visible = visible; 508 509 if (visible) { 510 windowStyle |= WS_VISIBLE; 511 } else { 512 windowStyle &= ~WS_VISIBLE; 513 } 514 515 InitPeerGraphicsConfig(env, peer); 516 517 SetLastError(0); 518 HWND hwnd = ::CreateWindowEx(windowExStyle, 519 GetClassName(), 520 title, 521 windowStyle, 522 x, y, w, h, 523 hWndParent, 524 hMenu, 525 AwtToolkit::GetInstance().GetModuleHandle(), 526 NULL); 527 528 // fix for 5088782 529 // check if CreateWindowsEx() returns not null value and if it does - 530 // create an InternalError or OutOfMemoryError based on GetLastError(). 531 // This error is set to createError field of WObjectPeer and then 532 // checked and thrown in WComponentPeer constructor. We can't throw an 533 // error here because this code is invoked on Toolkit thread 534 if (hwnd == NULL) 535 { 536 DWORD dw = ::GetLastError(); 537 jobject createError = NULL; 538 if (dw == ERROR_OUTOFMEMORY) 539 { 540 jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles"); 541 if (errorMsg == NULL || env->ExceptionCheck()) { 542 env->ExceptionClear(); 543 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V"); 544 } else { 545 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", 546 "(Ljava/lang/String;)V", 547 errorMsg); 548 env->DeleteLocalRef(errorMsg); 549 } 550 } 551 else 552 { 553 TCHAR *buf; 554 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 555 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 556 (LPTSTR)&buf, 0, NULL); 557 jstring s = JNU_NewStringPlatform(env, buf); 558 if (s == NULL || env->ExceptionCheck()) { 559 env->ExceptionClear(); 560 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V"); 561 } else { 562 createError = JNU_NewObjectByName(env, "java/lang/InternalError", 563 "(Ljava/lang/String;)V", s); 564 env->DeleteLocalRef(s); 565 } 566 LocalFree(buf); 567 } 568 if (createError != NULL) { 569 env->SetObjectField(peer, AwtObject::createErrorID, createError); 570 env->DeleteLocalRef(createError); 571 } 572 env->DeleteLocalRef(target); 573 return; 574 } 575 576 m_hwnd = hwnd; 577 578 ::ImmAssociateContext(m_hwnd, NULL); 579 580 SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED | 581 (jint)JAWT_LOCK_BOUNDS_CHANGED | 582 (jint)JAWT_LOCK_CLIP_CHANGED); 583 584 LinkObjects(env, peer); 585 586 /* Subclass the window now so that we can snoop on its messages */ 587 SubclassHWND(); 588 589 /* 590 * Fix for 4046446. 591 */ 592 SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE); 593 594 /* Set default colors. */ 595 m_colorForeground = colorForeground; 596 m_colorBackground = colorBackground; 597 598 /* 599 * Only set background color if the color is actually set on the 600 * target -- this avoids inheriting a parent's color unnecessarily, 601 * and has to be done here because there isn't an API to get the 602 * real background color from outside the AWT package. 603 */ 604 jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ; 605 if (bkgrd != NULL) { 606 JNU_CallMethodByName(env, NULL, peer, "setBackground", 607 "(Ljava/awt/Color;)V", bkgrd); 608 DASSERT(!safe_ExceptionOccurred(env)); 609 } 610 env->DeleteLocalRef(target); 611 env->DeleteLocalRef(bkgrd); 612 } 613 614 /* 615 * Destroy this window's HWND 616 */ 617 void AwtComponent::DestroyHWnd() { 618 if (m_hwnd != NULL) { 619 AwtToolkit::DestroyComponentHWND(m_hwnd); 620 //AwtToolkit::DestroyComponent(this); 621 m_hwnd = NULL; 622 } 623 } 624 625 /* 626 * Returns hwnd for target on non Toolkit thread 627 */ 628 HWND 629 AwtComponent::GetHWnd(JNIEnv* env, jobject target) { 630 if (JNU_IsNull(env, target)) { 631 return 0; 632 } 633 jobject peer = env->GetObjectField(target, AwtComponent::peerID); 634 if (JNU_IsNull(env, peer)) { 635 return 0; 636 } 637 HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> ( 638 env->GetLongField(peer, AwtComponent::hwndID))); 639 env->DeleteLocalRef(peer); 640 return hwnd; 641 } 642 // 643 // Propagate the background color to synchronize Java field and peer's field. 644 // This is needed to fix 4148334 645 // 646 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target) 647 { 648 if (env->EnsureLocalCapacity(1) < 0) { 649 return; 650 } 651 652 jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID); 653 654 if (bkgrnd == NULL) { 655 bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V", 656 GetRValue(m_colorBackground), 657 GetGValue(m_colorBackground), 658 GetBValue(m_colorBackground)); 659 if (bkgrnd != NULL) { 660 env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd); 661 } 662 } 663 env->DeleteLocalRef(bkgrnd); 664 } 665 666 /* 667 * Install our window proc as the proc for our HWND, and save off the 668 * previous proc as the default 669 */ 670 void AwtComponent::SubclassHWND() 671 { 672 if (m_bSubclassed) { 673 return; 674 } 675 const WNDPROC wndproc = WndProc; // let compiler type check WndProc 676 m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc); 677 m_bSubclassed = TRUE; 678 } 679 680 /* 681 * Reinstall the original window proc as the proc for our HWND 682 */ 683 void AwtComponent::UnsubclassHWND() 684 { 685 if (!m_bSubclassed) { 686 return; 687 } 688 ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc); 689 m_bSubclassed = FALSE; 690 } 691 692 ///////////////////////////////////// 693 // (static method) 694 // Determines the top-level ancestor for a given window. If the given 695 // window is a top-level window, return itself. 696 // 697 // 'Top-level' includes dialogs as well. 698 // 699 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) { 700 if (hwndDescendant == NULL) { 701 return NULL; 702 } 703 704 DASSERT(IsWindow(hwndDescendant)); 705 HWND hwnd = hwndDescendant; 706 for(;;) { 707 DWORD style = ::GetWindowLong(hwnd, GWL_STYLE); 708 // a) found a non-child window so terminate 709 // b) found real toplevel window (e.g. EmbeddedFrame 710 // that is child though) 711 if ( (style & WS_CHILD) == 0 || 712 AwtComponent::IsTopLevelHWnd(hwnd) ) 713 { 714 break; 715 } 716 hwnd = ::GetParent(hwnd); 717 } 718 719 return hwnd; 720 } 721 //////////////////// 722 723 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) { 724 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 725 if (env->EnsureLocalCapacity(1) < 0) { 726 return NULL; 727 } 728 729 HWND hit = NULL; 730 POINT p = { 0, 0 }; 731 AwtComponent *comp = NULL; 732 733 if (useCache) { 734 if (sm_cursorOn == NULL) { 735 return NULL; 736 } 737 738 739 DASSERT(::IsWindow(sm_cursorOn)); 740 VERIFY(::GetCursorPos(&p)); 741 /* 742 * Fix for BugTraq ID 4304024. 743 * Allow a non-default cursor only for the client area. 744 */ 745 comp = AwtComponent::GetComponent(sm_cursorOn); 746 if (comp != NULL && 747 ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0, 748 MAKELPARAM(p.x, p.y)) == HTCLIENT) { 749 goto found; 750 } 751 } 752 753 ::GetCursorPos(&p); 754 hit = ::WindowFromPoint(p); 755 while (hit != NULL) { 756 comp = AwtComponent::GetComponent(hit); 757 758 if (comp != NULL) { 759 INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST, 760 0, MAKELPARAM(p.x, p.y)); 761 /* 762 * Fix for BugTraq ID 4304024. 763 * Allow a non-default cursor only for the client area. 764 */ 765 if (nHittest != HTCLIENT) { 766 /* 767 * When over the non-client area, send WM_SETCURSOR 768 * to revert the cursor to an arrow. 769 */ 770 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit, 771 MAKELPARAM(nHittest, WM_MOUSEMOVE)); 772 return NULL; 773 } else { 774 sm_cursorOn = hit; 775 goto found; 776 } 777 } 778 779 if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) { 780 return NULL; 781 } 782 hit = ::GetParent(hit); 783 } 784 785 return NULL; 786 787 found: 788 jobject localRef = comp->GetTarget(env); 789 jobject globalRef = env->NewGlobalRef(localRef); 790 env->DeleteLocalRef(localRef); 791 return globalRef; 792 } 793 794 void AwtComponent::SetColor(COLORREF c) 795 { 796 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 797 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen); 798 if (grayscale != GS_NOTGRAY) { 799 int g; 800 801 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) + 802 .114 * ((c >> 16) & 0xFF) + 0.5); 803 // c = g | (g << 8) | (g << 16); 804 c = PALETTERGB(g, g, g); 805 } 806 807 if (m_colorForeground == c) { 808 return; 809 } 810 811 m_colorForeground = c; 812 if (m_penForeground != NULL) { 813 m_penForeground->Release(); 814 m_penForeground = NULL; 815 } 816 VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE)); 817 } 818 819 void AwtComponent::SetBackgroundColor(COLORREF c) 820 { 821 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 822 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen); 823 if (grayscale != GS_NOTGRAY) { 824 int g; 825 826 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) + 827 .114 * ((c >> 16) & 0xFF) + 0.5); 828 // c = g | (g << 8) | (g << 16); 829 c = PALETTERGB(g, g, g); 830 } 831 832 if (m_colorBackground == c) { 833 return; 834 } 835 m_colorBackground = c; 836 m_backgroundColorSet = TRUE; 837 if (m_brushBackground != NULL) { 838 m_brushBackground->Release(); 839 m_brushBackground = NULL; 840 } 841 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE)); 842 } 843 844 HPEN AwtComponent::GetForegroundPen() 845 { 846 if (m_penForeground == NULL) { 847 m_penForeground = AwtPen::Get(m_colorForeground); 848 } 849 return (HPEN)m_penForeground->GetHandle(); 850 } 851 852 COLORREF AwtComponent::GetBackgroundColor() 853 { 854 if (m_backgroundColorSet == FALSE) { 855 AwtComponent* c = this; 856 while ((c = c->GetParent()) != NULL) { 857 if (c->IsBackgroundColorSet()) { 858 return c->GetBackgroundColor(); 859 } 860 } 861 } 862 return m_colorBackground; 863 } 864 865 HBRUSH AwtComponent::GetBackgroundBrush() 866 { 867 if (m_backgroundColorSet == FALSE) { 868 if (m_brushBackground != NULL) { 869 m_brushBackground->Release(); 870 m_brushBackground = NULL; 871 } 872 AwtComponent* c = this; 873 while ((c = c->GetParent()) != NULL) { 874 if (c->IsBackgroundColorSet()) { 875 m_brushBackground = 876 AwtBrush::Get(c->GetBackgroundColor()); 877 break; 878 } 879 } 880 } 881 if (m_brushBackground == NULL) { 882 m_brushBackground = AwtBrush::Get(m_colorBackground); 883 } 884 return (HBRUSH)m_brushBackground->GetHandle(); 885 } 886 887 void AwtComponent::SetFont(AwtFont* font) 888 { 889 DASSERT(font != NULL); 890 if (font->GetAscent() < 0) { 891 AwtFont::SetupAscent(font); 892 } 893 SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0)); 894 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE)); 895 } 896 897 AwtComponent* AwtComponent::GetParent() 898 { 899 HWND hwnd = ::GetParent(GetHWnd()); 900 if (hwnd == NULL) { 901 return NULL; 902 } 903 return GetComponent(hwnd); 904 } 905 906 AwtWindow* AwtComponent::GetContainer() 907 { 908 AwtComponent* comp = this; 909 while (comp != NULL) { 910 if (comp->IsContainer()) { 911 return (AwtWindow*)comp; 912 } 913 comp = comp->GetParent(); 914 } 915 return NULL; 916 } 917 918 void AwtComponent::Show() 919 { 920 m_visible = true; 921 ::ShowWindow(GetHWnd(), SW_SHOWNA); 922 } 923 924 void AwtComponent::Hide() 925 { 926 m_visible = false; 927 ::ShowWindow(GetHWnd(), SW_HIDE); 928 } 929 930 BOOL 931 AwtComponent::SetWindowPos(HWND wnd, HWND after, 932 int x, int y, int w, int h, UINT flags) 933 { 934 // Conditions we shouldn't handle: 935 // z-order changes, correct window dimensions 936 if (after != NULL || (w < 32767 && h < 32767) 937 || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0)) 938 { 939 return ::SetWindowPos(wnd, after, x, y, w, h, flags); 940 } 941 WINDOWPLACEMENT wp; 942 ::ZeroMemory(&wp, sizeof(wp)); 943 944 wp.length = sizeof(wp); 945 ::GetWindowPlacement(wnd, &wp); 946 wp.rcNormalPosition.left = x; 947 wp.rcNormalPosition.top = y; 948 wp.rcNormalPosition.right = x + w; 949 wp.rcNormalPosition.bottom = y + h; 950 if ( flags & SWP_NOACTIVATE ) { 951 wp.showCmd = SW_SHOWNOACTIVATE; 952 } 953 ::SetWindowPlacement(wnd, &wp); 954 return 1; 955 } 956 957 958 void AwtComponent::Reshape(int x, int y, int w, int h) 959 { 960 #if defined(DEBUG) 961 RECT rc; 962 ::GetWindowRect(GetHWnd(), &rc); 963 ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2); 964 DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top); 965 #endif 966 967 x = ScaleUpX(x); 968 y = ScaleUpY(y); 969 w = ScaleUpX(w); 970 h = ScaleUpY(h); 971 972 AwtWindow* container = GetContainer(); 973 AwtComponent* parent = GetParent(); 974 if (container != NULL && container == parent) { 975 container->SubtractInsetPoint(x, y); 976 } 977 DTRACE_PRINTLN4("AwtComponent::Reshape to %d, %d, %d, %d", x, y, w, h); 978 UINT flags = SWP_NOACTIVATE | SWP_NOZORDER; 979 980 RECT r; 981 982 ::GetWindowRect(GetHWnd(), &r); 983 // if the component size is changing , don't copy window bits 984 if (r.right - r.left != w || r.bottom - r.top != h) { 985 flags |= SWP_NOCOPYBITS; 986 } 987 988 if (parent && _tcscmp(parent->GetClassName(), TEXT("SunAwtScrollPane")) == 0) { 989 if (x > 0) { 990 x = 0; 991 } 992 if (y > 0) { 993 y = 0; 994 } 995 } 996 if (m_hdwp != NULL) { 997 m_hdwp = ::DeferWindowPos(m_hdwp, GetHWnd(), 0, x, y, w, h, flags); 998 DASSERT(m_hdwp != NULL); 999 } else { 1000 /* 1001 * Fox for 4046446 1002 * If window has dimensions above the short int limit, ::SetWindowPos doesn't work. 1003 * We should use SetWindowPlacement instead. 1004 */ 1005 SetWindowPos(GetHWnd(), 0, x, y, w, h, flags); 1006 } 1007 } 1008 1009 void AwtComponent::SetScrollValues(UINT bar, int min, int value, int max) 1010 { 1011 int minTmp, maxTmp; 1012 1013 ::GetScrollRange(GetHWnd(), bar, &minTmp, &maxTmp); 1014 if (min == INT_MAX) { 1015 min = minTmp; 1016 } 1017 if (value == INT_MAX) { 1018 value = ::GetScrollPos(GetHWnd(), bar); 1019 } 1020 if (max == INT_MAX) { 1021 max = maxTmp; 1022 } 1023 if (min == max) { 1024 max++; 1025 } 1026 ::SetScrollRange(GetHWnd(), bar, min, max, FALSE); 1027 ::SetScrollPos(GetHWnd(), bar, value, TRUE); 1028 } 1029 1030 /* 1031 * Save Global Reference of sun.awt.windows.WInputMethod object 1032 */ 1033 void AwtComponent::SetInputMethod(jobject im, BOOL useNativeCompWindow) 1034 { 1035 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 1036 1037 if (m_InputMethod!=NULL) 1038 env->DeleteGlobalRef(m_InputMethod); 1039 1040 if (im!=NULL){ 1041 m_InputMethod = env->NewGlobalRef(im); 1042 m_useNativeCompWindow = useNativeCompWindow; 1043 } else { 1044 m_InputMethod = NULL; 1045 m_useNativeCompWindow = TRUE; 1046 } 1047 1048 } 1049 1050 /* 1051 * Opportunity to process and/or eat a message before it is dispatched 1052 */ 1053 MsgRouting AwtComponent::PreProcessMsg(MSG& msg) 1054 { 1055 return mrPassAlong; 1056 } 1057 1058 static UINT lastMessage = WM_NULL; 1059 1060 #ifndef SPY_MESSAGES 1061 #define SpyWinMessage(hwin,msg,str) 1062 #else 1063 1064 #define FMT_MSG(x,y) case x: _stprintf(szBuf, \ 1065 "0x%8.8x(%s):%s\n", hwnd, szComment, y); break; 1066 #define WIN_MSG(x) FMT_MSG(x,#x) 1067 1068 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) { 1069 1070 TCHAR szBuf[256]; 1071 1072 switch (message) { 1073 WIN_MSG(WM_NULL) 1074 WIN_MSG(WM_CREATE) 1075 WIN_MSG(WM_DESTROY) 1076 WIN_MSG(WM_MOVE) 1077 WIN_MSG(WM_SIZE) 1078 WIN_MSG(WM_ACTIVATE) 1079 WIN_MSG(WM_SETFOCUS) 1080 WIN_MSG(WM_KILLFOCUS) 1081 WIN_MSG(WM_ENABLE) 1082 WIN_MSG(WM_SETREDRAW) 1083 WIN_MSG(WM_SETTEXT) 1084 WIN_MSG(WM_GETTEXT) 1085 WIN_MSG(WM_GETTEXTLENGTH) 1086 WIN_MSG(WM_PAINT) 1087 WIN_MSG(WM_CLOSE) 1088 WIN_MSG(WM_QUERYENDSESSION) 1089 WIN_MSG(WM_QUIT) 1090 WIN_MSG(WM_QUERYOPEN) 1091 WIN_MSG(WM_ERASEBKGND) 1092 WIN_MSG(WM_SYSCOLORCHANGE) 1093 WIN_MSG(WM_ENDSESSION) 1094 WIN_MSG(WM_SHOWWINDOW) 1095 FMT_MSG(WM_WININICHANGE,"WM_WININICHANGE/WM_SETTINGCHANGE") 1096 WIN_MSG(WM_DEVMODECHANGE) 1097 WIN_MSG(WM_ACTIVATEAPP) 1098 WIN_MSG(WM_FONTCHANGE) 1099 WIN_MSG(WM_TIMECHANGE) 1100 WIN_MSG(WM_CANCELMODE) 1101 WIN_MSG(WM_SETCURSOR) 1102 WIN_MSG(WM_MOUSEACTIVATE) 1103 WIN_MSG(WM_CHILDACTIVATE) 1104 WIN_MSG(WM_QUEUESYNC) 1105 WIN_MSG(WM_GETMINMAXINFO) 1106 WIN_MSG(WM_PAINTICON) 1107 WIN_MSG(WM_ICONERASEBKGND) 1108 WIN_MSG(WM_NEXTDLGCTL) 1109 WIN_MSG(WM_SPOOLERSTATUS) 1110 WIN_MSG(WM_DRAWITEM) 1111 WIN_MSG(WM_MEASUREITEM) 1112 WIN_MSG(WM_DELETEITEM) 1113 WIN_MSG(WM_VKEYTOITEM) 1114 WIN_MSG(WM_CHARTOITEM) 1115 WIN_MSG(WM_SETFONT) 1116 WIN_MSG(WM_GETFONT) 1117 WIN_MSG(WM_SETHOTKEY) 1118 WIN_MSG(WM_GETHOTKEY) 1119 WIN_MSG(WM_QUERYDRAGICON) 1120 WIN_MSG(WM_COMPAREITEM) 1121 FMT_MSG(0x003D, "WM_GETOBJECT") 1122 WIN_MSG(WM_COMPACTING) 1123 WIN_MSG(WM_COMMNOTIFY) 1124 WIN_MSG(WM_WINDOWPOSCHANGING) 1125 WIN_MSG(WM_WINDOWPOSCHANGED) 1126 WIN_MSG(WM_POWER) 1127 WIN_MSG(WM_COPYDATA) 1128 WIN_MSG(WM_CANCELJOURNAL) 1129 WIN_MSG(WM_NOTIFY) 1130 WIN_MSG(WM_INPUTLANGCHANGEREQUEST) 1131 WIN_MSG(WM_INPUTLANGCHANGE) 1132 WIN_MSG(WM_TCARD) 1133 WIN_MSG(WM_HELP) 1134 WIN_MSG(WM_USERCHANGED) 1135 WIN_MSG(WM_NOTIFYFORMAT) 1136 WIN_MSG(WM_CONTEXTMENU) 1137 WIN_MSG(WM_STYLECHANGING) 1138 WIN_MSG(WM_STYLECHANGED) 1139 WIN_MSG(WM_DISPLAYCHANGE) 1140 WIN_MSG(WM_GETICON) 1141 WIN_MSG(WM_SETICON) 1142 WIN_MSG(WM_NCCREATE) 1143 WIN_MSG(WM_NCDESTROY) 1144 WIN_MSG(WM_NCCALCSIZE) 1145 WIN_MSG(WM_NCHITTEST) 1146 WIN_MSG(WM_NCPAINT) 1147 WIN_MSG(WM_NCACTIVATE) 1148 WIN_MSG(WM_GETDLGCODE) 1149 WIN_MSG(WM_SYNCPAINT) 1150 WIN_MSG(WM_NCMOUSEMOVE) 1151 WIN_MSG(WM_NCLBUTTONDOWN) 1152 WIN_MSG(WM_NCLBUTTONUP) 1153 WIN_MSG(WM_NCLBUTTONDBLCLK) 1154 WIN_MSG(WM_NCRBUTTONDOWN) 1155 WIN_MSG(WM_NCRBUTTONUP) 1156 WIN_MSG(WM_NCRBUTTONDBLCLK) 1157 WIN_MSG(WM_NCMBUTTONDOWN) 1158 WIN_MSG(WM_NCMBUTTONUP) 1159 WIN_MSG(WM_NCMBUTTONDBLCLK) 1160 WIN_MSG(WM_KEYDOWN) 1161 WIN_MSG(WM_KEYUP) 1162 WIN_MSG(WM_CHAR) 1163 WIN_MSG(WM_DEADCHAR) 1164 WIN_MSG(WM_SYSKEYDOWN) 1165 WIN_MSG(WM_SYSKEYUP) 1166 WIN_MSG(WM_SYSCHAR) 1167 WIN_MSG(WM_SYSDEADCHAR) 1168 WIN_MSG(WM_IME_STARTCOMPOSITION) 1169 WIN_MSG(WM_IME_ENDCOMPOSITION) 1170 WIN_MSG(WM_IME_COMPOSITION) 1171 WIN_MSG(WM_INITDIALOG) 1172 WIN_MSG(WM_COMMAND) 1173 WIN_MSG(WM_SYSCOMMAND) 1174 WIN_MSG(WM_TIMER) 1175 WIN_MSG(WM_HSCROLL) 1176 WIN_MSG(WM_VSCROLL) 1177 WIN_MSG(WM_INITMENU) 1178 WIN_MSG(WM_INITMENUPOPUP) 1179 WIN_MSG(WM_MENUSELECT) 1180 WIN_MSG(WM_MENUCHAR) 1181 WIN_MSG(WM_ENTERIDLE) 1182 FMT_MSG(0x0122, "WM_MENURBUTTONUP") 1183 FMT_MSG(0x0123, "WM_MENUDRAG") 1184 FMT_MSG(0x0124, "WM_MENUGETOBJECT") 1185 FMT_MSG(0x0125, "WM_UNINITMENUPOPUP") 1186 FMT_MSG(0x0126, "WM_MENUCOMMAND") 1187 WIN_MSG(WM_CTLCOLORMSGBOX) 1188 WIN_MSG(WM_CTLCOLOREDIT) 1189 WIN_MSG(WM_CTLCOLORLISTBOX) 1190 WIN_MSG(WM_CTLCOLORBTN) 1191 WIN_MSG(WM_CTLCOLORDLG) 1192 WIN_MSG(WM_CTLCOLORSCROLLBAR) 1193 WIN_MSG(WM_CTLCOLORSTATIC) 1194 WIN_MSG(WM_MOUSEMOVE) 1195 WIN_MSG(WM_LBUTTONDOWN) 1196 WIN_MSG(WM_LBUTTONUP) 1197 WIN_MSG(WM_LBUTTONDBLCLK) 1198 WIN_MSG(WM_RBUTTONDOWN) 1199 WIN_MSG(WM_RBUTTONUP) 1200 WIN_MSG(WM_RBUTTONDBLCLK) 1201 WIN_MSG(WM_MBUTTONDOWN) 1202 WIN_MSG(WM_MBUTTONUP) 1203 WIN_MSG(WM_MBUTTONDBLCLK) 1204 WIN_MSG(WM_XBUTTONDBLCLK) 1205 WIN_MSG(WM_XBUTTONDOWN) 1206 WIN_MSG(WM_XBUTTONUP) 1207 WIN_MSG(WM_MOUSEWHEEL) 1208 WIN_MSG(WM_PARENTNOTIFY) 1209 WIN_MSG(WM_ENTERMENULOOP) 1210 WIN_MSG(WM_EXITMENULOOP) 1211 WIN_MSG(WM_NEXTMENU) 1212 WIN_MSG(WM_SIZING) 1213 WIN_MSG(WM_CAPTURECHANGED) 1214 WIN_MSG(WM_MOVING) 1215 WIN_MSG(WM_POWERBROADCAST) 1216 WIN_MSG(WM_DEVICECHANGE) 1217 WIN_MSG(WM_MDICREATE) 1218 WIN_MSG(WM_MDIDESTROY) 1219 WIN_MSG(WM_MDIACTIVATE) 1220 WIN_MSG(WM_MDIRESTORE) 1221 WIN_MSG(WM_MDINEXT) 1222 WIN_MSG(WM_MDIMAXIMIZE) 1223 WIN_MSG(WM_MDITILE) 1224 WIN_MSG(WM_MDICASCADE) 1225 WIN_MSG(WM_MDIICONARRANGE) 1226 WIN_MSG(WM_MDIGETACTIVE) 1227 WIN_MSG(WM_MDISETMENU) 1228 WIN_MSG(WM_ENTERSIZEMOVE) 1229 WIN_MSG(WM_EXITSIZEMOVE) 1230 WIN_MSG(WM_DROPFILES) 1231 WIN_MSG(WM_MDIREFRESHMENU) 1232 WIN_MSG(WM_IME_SETCONTEXT) 1233 WIN_MSG(WM_IME_NOTIFY) 1234 WIN_MSG(WM_IME_CONTROL) 1235 WIN_MSG(WM_IME_COMPOSITIONFULL) 1236 WIN_MSG(WM_IME_SELECT) 1237 WIN_MSG(WM_IME_CHAR) 1238 FMT_MSG(WM_IME_REQUEST) 1239 WIN_MSG(WM_IME_KEYDOWN) 1240 WIN_MSG(WM_IME_KEYUP) 1241 FMT_MSG(0x02A1, "WM_MOUSEHOVER") 1242 FMT_MSG(0x02A3, "WM_MOUSELEAVE") 1243 WIN_MSG(WM_CUT) 1244 WIN_MSG(WM_COPY) 1245 WIN_MSG(WM_PASTE) 1246 WIN_MSG(WM_CLEAR) 1247 WIN_MSG(WM_UNDO) 1248 WIN_MSG(WM_RENDERFORMAT) 1249 WIN_MSG(WM_RENDERALLFORMATS) 1250 WIN_MSG(WM_DESTROYCLIPBOARD) 1251 WIN_MSG(WM_DRAWCLIPBOARD) 1252 WIN_MSG(WM_PAINTCLIPBOARD) 1253 WIN_MSG(WM_VSCROLLCLIPBOARD) 1254 WIN_MSG(WM_SIZECLIPBOARD) 1255 WIN_MSG(WM_ASKCBFORMATNAME) 1256 WIN_MSG(WM_CHANGECBCHAIN) 1257 WIN_MSG(WM_HSCROLLCLIPBOARD) 1258 WIN_MSG(WM_QUERYNEWPALETTE) 1259 WIN_MSG(WM_PALETTEISCHANGING) 1260 WIN_MSG(WM_PALETTECHANGED) 1261 WIN_MSG(WM_HOTKEY) 1262 WIN_MSG(WM_PRINT) 1263 WIN_MSG(WM_PRINTCLIENT) 1264 WIN_MSG(WM_HANDHELDFIRST) 1265 WIN_MSG(WM_HANDHELDLAST) 1266 WIN_MSG(WM_AFXFIRST) 1267 WIN_MSG(WM_AFXLAST) 1268 WIN_MSG(WM_PENWINFIRST) 1269 WIN_MSG(WM_PENWINLAST) 1270 WIN_MSG(WM_AWT_COMPONENT_CREATE) 1271 WIN_MSG(WM_AWT_DESTROY_WINDOW) 1272 WIN_MSG(WM_AWT_MOUSEENTER) 1273 WIN_MSG(WM_AWT_MOUSEEXIT) 1274 WIN_MSG(WM_AWT_COMPONENT_SHOW) 1275 WIN_MSG(WM_AWT_COMPONENT_HIDE) 1276 WIN_MSG(WM_AWT_COMPONENT_SETFOCUS) 1277 WIN_MSG(WM_AWT_WINDOW_SETACTIVE) 1278 WIN_MSG(WM_AWT_LIST_SETMULTISELECT) 1279 WIN_MSG(WM_AWT_HANDLE_EVENT) 1280 WIN_MSG(WM_AWT_PRINT_COMPONENT) 1281 WIN_MSG(WM_AWT_RESHAPE_COMPONENT) 1282 WIN_MSG(WM_AWT_SETALWAYSONTOP) 1283 WIN_MSG(WM_AWT_BEGIN_VALIDATE) 1284 WIN_MSG(WM_AWT_END_VALIDATE) 1285 WIN_MSG(WM_AWT_FORWARD_CHAR) 1286 WIN_MSG(WM_AWT_FORWARD_BYTE) 1287 WIN_MSG(WM_AWT_SET_SCROLL_INFO) 1288 WIN_MSG(WM_AWT_CREATECONTEXT) 1289 WIN_MSG(WM_AWT_DESTROYCONTEXT) 1290 WIN_MSG(WM_AWT_ASSOCIATECONTEXT) 1291 WIN_MSG(WM_AWT_GET_DEFAULT_IME_HANDLER) 1292 WIN_MSG(WM_AWT_HANDLE_NATIVE_IME_EVENT) 1293 WIN_MSG(WM_AWT_PRE_KEYDOWN) 1294 WIN_MSG(WM_AWT_PRE_KEYUP) 1295 WIN_MSG(WM_AWT_PRE_SYSKEYDOWN) 1296 WIN_MSG(WM_AWT_PRE_SYSKEYUP) 1297 WIN_MSG(WM_AWT_ENDCOMPOSITION,) 1298 WIN_MSG(WM_AWT_DISPOSE,) 1299 WIN_MSG(WM_AWT_DELETEOBJECT,) 1300 WIN_MSG(WM_AWT_SETCONVERSIONSTATUS,) 1301 WIN_MSG(WM_AWT_GETCONVERSIONSTATUS,) 1302 WIN_MSG(WM_AWT_SETOPENSTATUS,) 1303 WIN_MSG(WM_AWT_GETOPENSTATUS) 1304 WIN_MSG(WM_AWT_ACTIVATEKEYBOARDLAYOUT) 1305 WIN_MSG(WM_AWT_OPENCANDIDATEWINDOW) 1306 WIN_MSG(WM_AWT_DLG_SHOWMODAL,) 1307 WIN_MSG(WM_AWT_DLG_ENDMODAL,) 1308 WIN_MSG(WM_AWT_SETCURSOR,) 1309 WIN_MSG(WM_AWT_WAIT_FOR_SINGLE_OBJECT,) 1310 WIN_MSG(WM_AWT_INVOKE_METHOD,) 1311 WIN_MSG(WM_AWT_INVOKE_VOID_METHOD,) 1312 WIN_MSG(WM_AWT_EXECUTE_SYNC,) 1313 WIN_MSG(WM_AWT_CURSOR_SYNC) 1314 WIN_MSG(WM_AWT_GETDC) 1315 WIN_MSG(WM_AWT_RELEASEDC) 1316 WIN_MSG(WM_AWT_RELEASE_ALL_DCS) 1317 WIN_MSG(WM_AWT_SHOWCURSOR) 1318 WIN_MSG(WM_AWT_HIDECURSOR) 1319 WIN_MSG(WM_AWT_CREATE_PRINTED_PIXELS) 1320 WIN_MSG(WM_AWT_OBJECTLISTCLEANUP) 1321 default: 1322 sprintf(szBuf, "0x%8.8x(%s):Unknown message 0x%8.8x\n", 1323 hwnd, szComment, message); 1324 break; 1325 } 1326 printf(szBuf); 1327 } 1328 1329 #endif /* SPY_MESSAGES */ 1330 1331 /* 1332 * Dispatch messages for this window class--general component 1333 */ 1334 LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) 1335 { 1336 CounterHelper ch(&m_MessagesProcessing); 1337 1338 JNILocalFrame lframe(AwtToolkit::GetEnv(), 10); 1339 SpyWinMessage(GetHWnd(), message, 1340 (message == WM_AWT_RELEASE_ALL_DCS) ? TEXT("Disposed Component") : GetClassName()); 1341 1342 LRESULT retValue = 0; 1343 MsgRouting mr = mrDoDefault; 1344 AwtToolkit::GetInstance().eventNumber++; 1345 1346 static BOOL ignoreNextLBTNUP = FALSE; //Ignore next LBUTTONUP msg? 1347 1348 lastMessage = message; 1349 1350 if (message == WmAwtIsComponent) { 1351 // special message to identify AWT HWND's without using 1352 // resource hogging ::SetProp 1353 return (LRESULT)TRUE; 1354 } 1355 1356 DWORD curPos = 0; 1357 1358 UINT switchMessage = message; 1359 switch (switchMessage) { 1360 case WM_AWT_GETDC: 1361 { 1362 HDC hDC; 1363 // First, release the DCs scheduled for deletion 1364 ReleaseDCList(GetHWnd(), passiveDCList); 1365 1366 GetDCReturnStruct *returnStruct = new GetDCReturnStruct; 1367 returnStruct->gdiLimitReached = FALSE; 1368 if (AwtGDIObject::IncrementIfAvailable()) { 1369 hDC = ::GetDCEx(GetHWnd(), NULL, 1370 DCX_CACHE | DCX_CLIPCHILDREN | 1371 DCX_CLIPSIBLINGS); 1372 if (hDC != NULL) { 1373 // Add new DC to list of DC's associated with this Component 1374 activeDCList.AddDC(hDC, GetHWnd()); 1375 } else { 1376 // Creation failed; decrement counter in AwtGDIObject 1377 AwtGDIObject::Decrement(); 1378 } 1379 } else { 1380 hDC = NULL; 1381 returnStruct->gdiLimitReached = TRUE; 1382 } 1383 returnStruct->hDC = hDC; 1384 retValue = (LRESULT)returnStruct; 1385 mr = mrConsume; 1386 break; 1387 } 1388 case WM_AWT_RELEASEDC: 1389 { 1390 HDC hDC = (HDC)wParam; 1391 MoveDCToPassiveList(hDC); 1392 ReleaseDCList(GetHWnd(), passiveDCList); 1393 mr = mrConsume; 1394 break; 1395 } 1396 case WM_AWT_RELEASE_ALL_DCS: 1397 { 1398 // Called during Component destruction. Gets current list of 1399 // DC's associated with Component and releases each DC. 1400 ReleaseDCList(GetHWnd(), activeDCList); 1401 ReleaseDCList(GetHWnd(), passiveDCList); 1402 mr = mrConsume; 1403 break; 1404 } 1405 case WM_AWT_SHOWCURSOR: 1406 ::ShowCursor(TRUE); 1407 break; 1408 case WM_AWT_HIDECURSOR: 1409 ::ShowCursor(FALSE); 1410 break; 1411 case WM_CREATE: mr = WmCreate(); break; 1412 case WM_CLOSE: mr = WmClose(); break; 1413 case WM_DESTROY: mr = WmDestroy(); break; 1414 case WM_NCDESTROY: mr = WmNcDestroy(); break; 1415 1416 case WM_ERASEBKGND: 1417 mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break; 1418 case WM_PAINT: 1419 CheckFontSmoothingSettings(GetHWnd()); 1420 /* Set draw state */ 1421 SetDrawState(GetDrawState() | JAWT_LOCK_CLIP_CHANGED); 1422 mr = WmPaint((HDC)wParam); 1423 break; 1424 1425 case WM_GETMINMAXINFO: 1426 mr = WmGetMinMaxInfo((LPMINMAXINFO)lParam); 1427 break; 1428 1429 case WM_WINDOWPOSCHANGING: 1430 { 1431 // We process this message so that we can synchronize access to 1432 // a moving window. The Scale/Blt functions in Win32BlitLoops 1433 // take the same windowMoveLock to ensure that a window is not 1434 // moving while we are trying to copy pixels into it. 1435 WINDOWPOS *lpPosInfo = (WINDOWPOS *)lParam; 1436 if ((lpPosInfo->flags & (SWP_NOMOVE | SWP_NOSIZE)) != 1437 (SWP_NOMOVE | SWP_NOSIZE)) 1438 { 1439 // Move or Size command. 1440 // Windows tends to send erroneous events that the window 1441 // is about to move when the coordinates are exactly the 1442 // same as the last time. This can cause problems with 1443 // our windowMoveLock CriticalSection because we enter it 1444 // here and never get to WM_WINDOWPOSCHANGED to release it. 1445 // So make sure this is a real move/size event before bothering 1446 // to grab the critical section. 1447 BOOL takeLock = FALSE; 1448 if (!(lpPosInfo->flags & SWP_NOMOVE) && 1449 ((windowMoveLockPosX != lpPosInfo->x) || 1450 (windowMoveLockPosY != lpPosInfo->y))) 1451 { 1452 // Real move event 1453 takeLock = TRUE; 1454 windowMoveLockPosX = lpPosInfo->x; 1455 windowMoveLockPosY = lpPosInfo->y; 1456 } 1457 if (!(lpPosInfo->flags & SWP_NOSIZE) && 1458 ((windowMoveLockPosCX != lpPosInfo->cx) || 1459 (windowMoveLockPosCY != lpPosInfo->cy))) 1460 { 1461 // Real size event 1462 takeLock = TRUE; 1463 windowMoveLockPosCX = lpPosInfo->cx; 1464 windowMoveLockPosCY = lpPosInfo->cy; 1465 } 1466 if (takeLock) { 1467 if (!windowMoveLockHeld) { 1468 windowMoveLock.Enter(); 1469 windowMoveLockHeld = TRUE; 1470 } 1471 } 1472 } 1473 mr = WmWindowPosChanging(lParam); 1474 break; 1475 } 1476 case WM_WINDOWPOSCHANGED: 1477 { 1478 // Release lock grabbed in the POSCHANGING message 1479 if (windowMoveLockHeld) { 1480 windowMoveLockHeld = FALSE; 1481 windowMoveLock.Leave(); 1482 } 1483 mr = WmWindowPosChanged(lParam); 1484 break; 1485 } 1486 case WM_MOVE: { 1487 RECT r; 1488 ::GetWindowRect(GetHWnd(), &r); 1489 mr = WmMove(r.left, r.top); 1490 break; 1491 } 1492 case WM_SIZE: 1493 { 1494 RECT r; 1495 // fix 4128317 : use GetClientRect for full 32-bit int precision and 1496 // to avoid negative client area dimensions overflowing 16-bit params - robi 1497 ::GetClientRect( GetHWnd(), &r ); 1498 mr = WmSize(static_cast<UINT>(wParam), r.right - r.left, r.bottom - r.top); 1499 //mr = WmSize(wParam, LOWORD(lParam), HIWORD(lParam)); 1500 SetCompositionWindow(r); 1501 break; 1502 } 1503 case WM_SIZING: 1504 mr = WmSizing(); 1505 break; 1506 case WM_SHOWWINDOW: 1507 mr = WmShowWindow(static_cast<BOOL>(wParam), 1508 static_cast<UINT>(lParam)); break; 1509 case WM_SYSCOMMAND: 1510 mr = WmSysCommand(static_cast<UINT>(wParam & 0xFFF0), 1511 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)); 1512 break; 1513 case WM_EXITSIZEMOVE: 1514 mr = WmExitSizeMove(); 1515 break; 1516 // Bug #4039858 (Selecting menu item causes bogus mouse click event) 1517 case WM_ENTERMENULOOP: 1518 mr = WmEnterMenuLoop((BOOL)wParam); 1519 sm_bMenuLoop = TRUE; 1520 // we need to release grab if menu is shown 1521 if (AwtWindow::GetGrabbedWindow() != NULL) { 1522 AwtWindow::GetGrabbedWindow()->Ungrab(); 1523 } 1524 break; 1525 case WM_EXITMENULOOP: 1526 mr = WmExitMenuLoop((BOOL)wParam); 1527 sm_bMenuLoop = FALSE; 1528 break; 1529 1530 // We don't expect any focus messages on non-proxy component, 1531 // except those that came from Java. 1532 case WM_SETFOCUS: 1533 if (sm_inSynthesizeFocus) { 1534 mr = WmSetFocus((HWND)wParam); 1535 } else { 1536 mr = mrConsume; 1537 } 1538 break; 1539 case WM_KILLFOCUS: 1540 if (sm_inSynthesizeFocus) { 1541 mr = WmKillFocus((HWND)wParam); 1542 } else { 1543 mr = mrConsume; 1544 } 1545 break; 1546 case WM_ACTIVATE: { 1547 UINT nState = LOWORD(wParam); 1548 BOOL fMinimized = (BOOL)HIWORD(wParam); 1549 mr = mrConsume; 1550 1551 if (!sm_suppressFocusAndActivation && 1552 (!fMinimized || (nState == WA_INACTIVE))) 1553 { 1554 mr = WmActivate(nState, fMinimized, (HWND)lParam); 1555 1556 // When the window is deactivated, send WM_IME_ENDCOMPOSITION 1557 // message to deactivate the composition window so that 1558 // it won't receive keyboard input focus. 1559 HIMC hIMC; 1560 HWND hwnd = ImmGetHWnd(); 1561 if ((hIMC = ImmGetContext(hwnd)) != NULL) { 1562 ImmReleaseContext(hwnd, hIMC); 1563 DefWindowProc(WM_IME_ENDCOMPOSITION, 0, 0); 1564 } 1565 } 1566 break; 1567 } 1568 case WM_MOUSEACTIVATE: { 1569 AwtWindow *window = GetContainer(); 1570 if (window && window->IsFocusableWindow()) { 1571 // AWT/Swing will later request focus to a proper component 1572 // on handling the Java mouse event. Anyway, we have to 1573 // activate the window here as it works both for AWT & Swing. 1574 // Do it in our own fassion, 1575 window->AwtSetActiveWindow(TRUE, LOWORD(lParam)/*hittest*/); 1576 } 1577 mr = mrConsume; 1578 retValue = MA_NOACTIVATE; 1579 break; 1580 } 1581 case WM_CTLCOLORMSGBOX: 1582 case WM_CTLCOLOREDIT: 1583 case WM_CTLCOLORLISTBOX: 1584 case WM_CTLCOLORBTN: 1585 case WM_CTLCOLORDLG: 1586 case WM_CTLCOLORSCROLLBAR: 1587 case WM_CTLCOLORSTATIC: 1588 mr = WmCtlColor((HDC)wParam, (HWND)lParam, 1589 message-WM_CTLCOLORMSGBOX+CTLCOLOR_MSGBOX, 1590 *(HBRUSH*)&retValue); 1591 break; 1592 case WM_HSCROLL: 1593 mr = WmHScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam); 1594 break; 1595 case WM_VSCROLL: 1596 mr = WmVScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam); 1597 break; 1598 // 4664415: We're seeing a WM_LBUTTONUP when the user releases the 1599 // mouse button after a WM_NCLBUTTONDBLCLK. We want to ignore this 1600 // WM_LBUTTONUP, so we set a flag in WM_NCLBUTTONDBLCLK and look for the 1601 // flag on a WM_LBUTTONUP. -bchristi 1602 case WM_NCLBUTTONDBLCLK: 1603 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON | DBL_CLICK); 1604 if (mr == mrDoDefault) { 1605 ignoreNextLBTNUP = TRUE; 1606 } 1607 break; 1608 case WM_NCLBUTTONDOWN: 1609 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON); 1610 ignoreNextLBTNUP = FALSE; 1611 break; 1612 case WM_NCLBUTTONUP: 1613 mr = WmNcMouseUp(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON); 1614 break; 1615 case WM_NCRBUTTONDOWN: 1616 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), RIGHT_BUTTON); 1617 break; 1618 case WM_LBUTTONUP: 1619 if (ignoreNextLBTNUP) { 1620 ignoreNextLBTNUP = FALSE; 1621 return mrDoDefault; 1622 } 1623 //fall-through 1624 case WM_LBUTTONDOWN: 1625 ignoreNextLBTNUP = FALSE; 1626 //fall-through 1627 case WM_LBUTTONDBLCLK: 1628 case WM_RBUTTONDOWN: 1629 case WM_RBUTTONDBLCLK: 1630 case WM_RBUTTONUP: 1631 case WM_MBUTTONDOWN: 1632 case WM_MBUTTONDBLCLK: 1633 case WM_MBUTTONUP: 1634 case WM_XBUTTONDBLCLK: 1635 case WM_XBUTTONDOWN: 1636 case WM_XBUTTONUP: 1637 case WM_MOUSEMOVE: 1638 case WM_MOUSEWHEEL: 1639 case WM_AWT_MOUSEENTER: 1640 case WM_AWT_MOUSEEXIT: 1641 curPos = ::GetMessagePos(); 1642 POINT myPos; 1643 myPos.x = GET_X_LPARAM(curPos); 1644 myPos.y = GET_Y_LPARAM(curPos); 1645 ::ScreenToClient(GetHWnd(), &myPos); 1646 switch(switchMessage) { 1647 case WM_AWT_MOUSEENTER: 1648 mr = WmMouseEnter(static_cast<UINT>(wParam), myPos.x, myPos.y); 1649 break; 1650 case WM_LBUTTONDOWN: 1651 case WM_LBUTTONDBLCLK: 1652 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1653 LEFT_BUTTON); 1654 break; 1655 case WM_LBUTTONUP: 1656 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1657 LEFT_BUTTON); 1658 break; 1659 case WM_MOUSEMOVE: 1660 mr = WmMouseMove(static_cast<UINT>(wParam), myPos.x, myPos.y); 1661 break; 1662 case WM_MBUTTONDOWN: 1663 case WM_MBUTTONDBLCLK: 1664 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1665 MIDDLE_BUTTON); 1666 break; 1667 case WM_XBUTTONDOWN: 1668 case WM_XBUTTONDBLCLK: 1669 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) { 1670 if (HIWORD(wParam) == 1) { 1671 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1672 X1_BUTTON); 1673 } 1674 if (HIWORD(wParam) == 2) { 1675 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1676 X2_BUTTON); 1677 } 1678 } 1679 break; 1680 case WM_XBUTTONUP: 1681 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) { 1682 if (HIWORD(wParam) == 1) { 1683 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1684 X1_BUTTON); 1685 } 1686 if (HIWORD(wParam) == 2) { 1687 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1688 X2_BUTTON); 1689 } 1690 } 1691 break; 1692 case WM_RBUTTONDOWN: 1693 case WM_RBUTTONDBLCLK: 1694 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1695 RIGHT_BUTTON); 1696 break; 1697 case WM_RBUTTONUP: 1698 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1699 RIGHT_BUTTON); 1700 break; 1701 case WM_MBUTTONUP: 1702 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1703 MIDDLE_BUTTON); 1704 break; 1705 case WM_AWT_MOUSEEXIT: 1706 mr = WmMouseExit(static_cast<UINT>(wParam), myPos.x, myPos.y); 1707 break; 1708 case WM_MOUSEWHEEL: 1709 mr = WmMouseWheel(GET_KEYSTATE_WPARAM(wParam), 1710 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), 1711 GET_WHEEL_DELTA_WPARAM(wParam)); 1712 break; 1713 } 1714 break; 1715 case WM_SETCURSOR: 1716 mr = mrDoDefault; 1717 if (LOWORD(lParam) == HTCLIENT) { 1718 if (AwtComponent* comp = 1719 AwtComponent::GetComponent((HWND)wParam)) { 1720 AwtCursor::UpdateCursor(comp); 1721 mr = mrConsume; 1722 } 1723 } 1724 break; 1725 1726 case WM_KEYDOWN: 1727 mr = WmKeyDown(static_cast<UINT>(wParam), 1728 LOWORD(lParam), HIWORD(lParam), FALSE); 1729 break; 1730 case WM_KEYUP: 1731 mr = WmKeyUp(static_cast<UINT>(wParam), 1732 LOWORD(lParam), HIWORD(lParam), FALSE); 1733 break; 1734 case WM_SYSKEYDOWN: 1735 mr = WmKeyDown(static_cast<UINT>(wParam), 1736 LOWORD(lParam), HIWORD(lParam), TRUE); 1737 break; 1738 case WM_SYSKEYUP: 1739 mr = WmKeyUp(static_cast<UINT>(wParam), 1740 LOWORD(lParam), HIWORD(lParam), TRUE); 1741 break; 1742 case WM_IME_SETCONTEXT: 1743 // lParam is passed as pointer and it can be modified. 1744 mr = WmImeSetContext(static_cast<BOOL>(wParam), &lParam); 1745 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1746 break; 1747 case WM_IME_NOTIFY: 1748 mr = WmImeNotify(wParam, lParam); 1749 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1750 break; 1751 case WM_IME_STARTCOMPOSITION: 1752 mr = WmImeStartComposition(); 1753 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1754 break; 1755 case WM_IME_ENDCOMPOSITION: 1756 mr = WmImeEndComposition(); 1757 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1758 break; 1759 case WM_IME_COMPOSITION: { 1760 WORD dbcschar = static_cast<WORD>(wParam); 1761 mr = WmImeComposition(dbcschar, lParam); 1762 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1763 break; 1764 } 1765 case WM_IME_CONTROL: 1766 case WM_IME_COMPOSITIONFULL: 1767 case WM_IME_SELECT: 1768 case WM_IME_KEYUP: 1769 case WM_IME_KEYDOWN: 1770 case WM_IME_REQUEST: 1771 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1772 break; 1773 case WM_CHAR: 1774 mr = WmChar(static_cast<UINT>(wParam), 1775 LOWORD(lParam), HIWORD(lParam), FALSE); 1776 break; 1777 case WM_SYSCHAR: 1778 mr = WmChar(static_cast<UINT>(wParam), 1779 LOWORD(lParam), HIWORD(lParam), TRUE); 1780 break; 1781 case WM_IME_CHAR: 1782 mr = WmIMEChar(static_cast<UINT>(wParam), 1783 LOWORD(lParam), HIWORD(lParam), FALSE); 1784 break; 1785 1786 case WM_INPUTLANGCHANGEREQUEST: { 1787 DTRACE_PRINTLN4("WM_INPUTLANGCHANGEREQUEST: hwnd = 0x%X (%s);"// 1788 "0x%08X -> 0x%08X", 1789 GetHWnd(), GetClassName(), 1790 (UINT_PTR)GetKeyboardLayout(), (UINT_PTR)lParam); 1791 // 4267428: make sure keyboard layout is turned undead. 1792 static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE]; 1793 AwtToolkit::GetKeyboardState(keyboardState); 1794 WORD ignored; 1795 ::ToAsciiEx(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0), 1796 keyboardState, &ignored, 0, GetKeyboardLayout()); 1797 1798 // Set this flag to block ActivateKeyboardLayout from 1799 // WInputMethod.activate() 1800 g_bUserHasChangedInputLang = TRUE; 1801 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1802 break; 1803 } 1804 case WM_INPUTLANGCHANGE: 1805 DTRACE_PRINTLN3("WM_INPUTLANGCHANGE: hwnd = 0x%X (%s);"// 1806 "new = 0x%08X", 1807 GetHWnd(), GetClassName(), (UINT)lParam); 1808 mr = WmInputLangChange(static_cast<UINT>(wParam), reinterpret_cast<HKL>(lParam)); 1809 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1810 // should return non-zero if we process this message 1811 retValue = 1; 1812 break; 1813 1814 case WM_AWT_FORWARD_CHAR: 1815 mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam)); 1816 break; 1817 1818 case WM_AWT_FORWARD_BYTE: 1819 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam); 1820 break; 1821 1822 case WM_PASTE: 1823 mr = WmPaste(); 1824 break; 1825 case WM_TIMER: 1826 mr = WmTimer(wParam); 1827 break; 1828 1829 case WM_COMMAND: 1830 mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam)); 1831 break; 1832 case WM_COMPAREITEM: 1833 mr = WmCompareItem(static_cast<UINT>(wParam), 1834 *(COMPAREITEMSTRUCT*)lParam, retValue); 1835 break; 1836 case WM_DELETEITEM: 1837 mr = WmDeleteItem(static_cast<UINT>(wParam), 1838 *(DELETEITEMSTRUCT*)lParam); 1839 break; 1840 case WM_DRAWITEM: 1841 mr = WmDrawItem(static_cast<UINT>(wParam), 1842 *(DRAWITEMSTRUCT*)lParam); 1843 break; 1844 case WM_MEASUREITEM: 1845 mr = WmMeasureItem(static_cast<UINT>(wParam), 1846 *(MEASUREITEMSTRUCT*)lParam); 1847 break; 1848 1849 case WM_AWT_HANDLE_EVENT: 1850 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam); 1851 break; 1852 1853 case WM_PRINT: 1854 mr = WmPrint((HDC)wParam, lParam); 1855 break; 1856 case WM_PRINTCLIENT: 1857 mr = WmPrintClient((HDC)wParam, lParam); 1858 break; 1859 1860 case WM_NCCALCSIZE: 1861 mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam, 1862 retValue); 1863 break; 1864 case WM_NCPAINT: 1865 mr = WmNcPaint((HRGN)wParam); 1866 break; 1867 case WM_NCHITTEST: 1868 mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue); 1869 break; 1870 1871 case WM_AWT_RESHAPE_COMPONENT: { 1872 RECT* r = (RECT*)lParam; 1873 WPARAM checkEmbedded = wParam; 1874 if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) { 1875 ::OffsetRect(r, -r->left, -r->top); 1876 } 1877 Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top); 1878 delete r; 1879 mr = mrConsume; 1880 break; 1881 } 1882 1883 case WM_AWT_SETALWAYSONTOP: { 1884 AwtWindow* w = (AwtWindow*)lParam; 1885 BOOL value = (BOOL)wParam; 1886 UINT flags = SWP_NOMOVE | SWP_NOSIZE; 1887 // transient windows shouldn't change the owner window's position in the z-order 1888 if (w->IsRetainingHierarchyZOrder()) { 1889 flags |= SWP_NOOWNERZORDER; 1890 } 1891 ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST), 1892 0,0,0,0, flags); 1893 break; 1894 } 1895 1896 case WM_AWT_BEGIN_VALIDATE: 1897 BeginValidate(); 1898 mr = mrConsume; 1899 break; 1900 case WM_AWT_END_VALIDATE: 1901 EndValidate(); 1902 mr = mrConsume; 1903 break; 1904 1905 case WM_PALETTEISCHANGING: 1906 mr = WmPaletteIsChanging((HWND)wParam); 1907 mr = mrDoDefault; 1908 break; 1909 case WM_QUERYNEWPALETTE: 1910 mr = WmQueryNewPalette(retValue); 1911 break; 1912 case WM_PALETTECHANGED: 1913 mr = WmPaletteChanged((HWND)wParam); 1914 break; 1915 case WM_STYLECHANGED: 1916 mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam); 1917 break; 1918 case WM_SETTINGCHANGE: 1919 CheckFontSmoothingSettings(NULL); 1920 mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam); 1921 break; 1922 case WM_CONTEXTMENU: 1923 mr = WmContextMenu((HWND)wParam, 1924 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)); 1925 break; 1926 1927 /* 1928 * These messages are used to route Win32 calls to the 1929 * creating thread, since these calls fail unless executed 1930 * there. 1931 */ 1932 case WM_AWT_COMPONENT_SHOW: 1933 Show(); 1934 mr = mrConsume; 1935 break; 1936 case WM_AWT_COMPONENT_HIDE: 1937 Hide(); 1938 mr = mrConsume; 1939 break; 1940 1941 case WM_AWT_COMPONENT_SETFOCUS: 1942 if ((BOOL)wParam) { 1943 retValue = SynthesizeWmSetFocus(GetHWnd(), NULL); 1944 } else { 1945 retValue = SynthesizeWmKillFocus(GetHWnd(), NULL); 1946 } 1947 mr = mrConsume; 1948 break; 1949 case WM_AWT_WINDOW_SETACTIVE: 1950 retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam); 1951 mr = mrConsume; 1952 break; 1953 1954 case WM_AWT_SET_SCROLL_INFO: { 1955 SCROLLINFO *si = (SCROLLINFO *) lParam; 1956 ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE); 1957 delete si; 1958 mr = mrConsume; 1959 break; 1960 } 1961 case WM_AWT_CREATE_PRINTED_PIXELS: { 1962 CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam; 1963 SIZE loc = { cpps->srcx, cpps->srcy }; 1964 SIZE size = { cpps->srcw, cpps->srch }; 1965 retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha); 1966 mr = mrConsume; 1967 break; 1968 } 1969 case WM_UNDOCUMENTED_CLICKMENUBAR: 1970 { 1971 if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) { 1972 mr = mrConsume; 1973 } 1974 } 1975 } 1976 1977 /* 1978 * If not a specific Consume, it was a specific DoDefault, or a 1979 * PassAlong (since the default is the next in chain), then call the 1980 * default proc. 1981 */ 1982 if (mr != mrConsume) { 1983 retValue = DefWindowProc(message, wParam, lParam); 1984 } 1985 1986 return retValue; 1987 } 1988 /* 1989 * Call this instance's default window proc, or if none set, call the stock 1990 * Window's one. 1991 */ 1992 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam) 1993 { 1994 return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam); 1995 } 1996 1997 /* 1998 * This message should only be received when a window is destroyed by 1999 * Windows, and not Java. Window termination has been reworked so 2000 * this method should never be called during termination. 2001 */ 2002 MsgRouting AwtComponent::WmDestroy() 2003 { 2004 return mrConsume; 2005 } 2006 2007 /* 2008 * This message should only be received when a window is destroyed by 2009 * Windows, and not Java. It is sent only after child windows were destroyed. 2010 */ 2011 MsgRouting AwtComponent::WmNcDestroy() 2012 { 2013 if (m_peerObject != NULL) { // is not being terminating 2014 // Stay in this handler until AwtComponent::Dispose is called. 2015 m_bPauseDestroy = TRUE; 2016 2017 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 2018 // Post invocation event for WObjectPeer.dispose to EDT 2019 env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID); 2020 // Wait until AwtComponent::Dispose is called 2021 AwtToolkit::GetInstance().PumpToDestroy(this); 2022 } 2023 2024 return mrConsume; 2025 } 2026 2027 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi) 2028 { 2029 return mrDoDefault; 2030 } 2031 2032 MsgRouting AwtComponent::WmMove(int x, int y) 2033 { 2034 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED) 2035 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED)); 2036 return mrDoDefault; 2037 } 2038 2039 MsgRouting AwtComponent::WmSize(UINT type, int w, int h) 2040 { 2041 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED) 2042 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED)); 2043 return mrDoDefault; 2044 } 2045 2046 MsgRouting AwtComponent::WmSizing() 2047 { 2048 return mrDoDefault; 2049 } 2050 2051 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos) 2052 { 2053 return mrDoDefault; 2054 } 2055 2056 MsgRouting AwtComponent::WmExitSizeMove() 2057 { 2058 return mrDoDefault; 2059 } 2060 2061 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu) 2062 { 2063 return mrDoDefault; 2064 } 2065 2066 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu) 2067 { 2068 return mrDoDefault; 2069 } 2070 2071 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status) 2072 { 2073 return mrDoDefault; 2074 } 2075 2076 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus) 2077 { 2078 m_wheelRotationAmount = 0; 2079 return mrDoDefault; 2080 } 2081 2082 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus) 2083 { 2084 m_wheelRotationAmount = 0; 2085 return mrDoDefault; 2086 } 2087 2088 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl, 2089 UINT ctlColor, HBRUSH& retBrush) 2090 { 2091 AwtComponent* child = AwtComponent::GetComponent(hCtrl); 2092 if (child) { 2093 ::SetBkColor(hDC, child->GetBackgroundColor()); 2094 ::SetTextColor(hDC, child->GetColor()); 2095 retBrush = child->GetBackgroundBrush(); 2096 return mrConsume; 2097 } 2098 return mrDoDefault; 2099 /* 2100 switch (ctlColor) { 2101 case CTLCOLOR_MSGBOX: 2102 case CTLCOLOR_EDIT: 2103 case CTLCOLOR_LISTBOX: 2104 case CTLCOLOR_BTN: 2105 case CTLCOLOR_DLG: 2106 case CTLCOLOR_SCROLLBAR: 2107 case CTLCOLOR_STATIC: 2108 } 2109 */ 2110 } 2111 2112 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos, 2113 HWND hScrollbar) { 2114 if (hScrollbar && hScrollbar != GetHWnd()) { 2115 /* the last test should never happen */ 2116 AwtComponent* sb = GetComponent(hScrollbar); 2117 if (sb) { 2118 sb->WmHScroll(scrollCode, pos, hScrollbar); 2119 } 2120 } 2121 return mrDoDefault; 2122 } 2123 2124 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar) 2125 { 2126 if (hScrollbar && hScrollbar != GetHWnd()) { 2127 /* the last test should never happen */ 2128 AwtComponent* sb = GetComponent(hScrollbar); 2129 if (sb) { 2130 sb->WmVScroll(scrollCode, pos, hScrollbar); 2131 } 2132 } 2133 return mrDoDefault; 2134 } 2135 2136 2137 MsgRouting AwtComponent::WmPaint(HDC) 2138 { 2139 /* Get the rectangle that covers all update regions, if any exist. */ 2140 RECT r; 2141 if (::GetUpdateRect(GetHWnd(), &r, FALSE)) { 2142 if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 && 2143 m_peerObject != NULL && m_callbacksEnabled) { 2144 /* 2145 * Always call handlePaint, because the underlying control 2146 * will have painted itself (the "background") before any 2147 * paint method is called. 2148 */ 2149 DoCallback("handlePaint", "(IIII)V", 2150 r.left, r.top, r.right-r.left, r.bottom-r.top); 2151 } 2152 } 2153 return mrDoDefault; 2154 } 2155 2156 void AwtComponent::PaintUpdateRgn(const RECT *insets) 2157 { 2158 // Fix 4530093: Don't Validate if can't actually paint 2159 if (m_peerObject == NULL || !m_callbacksEnabled) { 2160 2161 // Fix 4745222: If we don't ValidateRgn, windows will keep sending 2162 // WM_PAINT messages until we do. This causes java to go into 2163 // a tight loop that increases CPU to 100% and starves main 2164 // thread which needs to complete initialization, but cant. 2165 ::ValidateRgn(GetHWnd(), NULL); 2166 2167 return; 2168 } 2169 2170 HRGN rgn = ::CreateRectRgn(0,0,1,1); 2171 int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE); 2172 /* 2173 * Now remove all update regions from this window -- do it 2174 * here instead of after the Java upcall, in case any new 2175 * updating is requested. 2176 */ 2177 ::ValidateRgn(GetHWnd(), NULL); 2178 2179 if (updated == COMPLEXREGION || updated == SIMPLEREGION) { 2180 if (insets != NULL) { 2181 ::OffsetRgn(rgn, insets->left, insets->top); 2182 } 2183 DWORD size = ::GetRegionData(rgn, 0, NULL); 2184 if (size == 0) { 2185 ::DeleteObject((HGDIOBJ)rgn); 2186 return; 2187 } 2188 char* buffer = new char[size]; // safe because sizeof(char)==1 2189 memset(buffer, 0, size); 2190 LPRGNDATA rgndata = (LPRGNDATA)buffer; 2191 rgndata->rdh.dwSize = sizeof(RGNDATAHEADER); 2192 rgndata->rdh.iType = RDH_RECTANGLES; 2193 int retCode = ::GetRegionData(rgn, size, rgndata); 2194 VERIFY(retCode); 2195 if (retCode == 0) { 2196 delete [] buffer; 2197 ::DeleteObject((HGDIOBJ)rgn); 2198 return; 2199 } 2200 /* 2201 * Updating rects are divided into mostly vertical and mostly horizontal 2202 * Each group is united together and if not empty painted separately 2203 */ 2204 RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize); 2205 RECT* un[2] = {0, 0}; 2206 DWORD i; 2207 for (i = 0; i < rgndata->rdh.nCount; i++, r++) { 2208 int width = r->right-r->left; 2209 int height = r->bottom-r->top; 2210 if (width > 0 && height > 0) { 2211 int toAdd = (width > height) ? 0: 1; 2212 if (un[toAdd] != 0) { 2213 ::UnionRect(un[toAdd], un[toAdd], r); 2214 } else { 2215 un[toAdd] = r; 2216 } 2217 } 2218 } 2219 for(i = 0; i < 2; i++) { 2220 if (un[i] != 0) { 2221 DoCallback("handleExpose", "(IIII)V", 2222 ScaleDownX(un[i]->left), 2223 ScaleDownY(un[i]->top), 2224 ScaleDownX(un[i]->right - un[i]->left), 2225 ScaleDownY(un[i]->bottom - un[i]->top)); 2226 } 2227 } 2228 delete [] buffer; 2229 } 2230 ::DeleteObject((HGDIOBJ)rgn); 2231 } 2232 2233 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y) 2234 { 2235 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED, 2236 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 0, JNI_FALSE); 2237 if ((flags & ALL_MK_BUTTONS) == 0) { 2238 AwtCursor::UpdateCursor(this); 2239 } 2240 sm_cursorOn = GetHWnd(); 2241 return mrConsume; /* Don't pass our synthetic event on! */ 2242 } 2243 2244 MSG* 2245 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam, 2246 int x = 0, int y = 0) 2247 { 2248 MSG* pMsg = new MSG; 2249 InitMessage(pMsg, message, wParam, lParam, x, y); 2250 return pMsg; 2251 } 2252 2253 2254 jint 2255 AwtComponent::GetDrawState(HWND hwnd) { 2256 return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp)); 2257 } 2258 2259 void 2260 AwtComponent::SetDrawState(HWND hwnd, jint state) { 2261 ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state); 2262 } 2263 2264 void 2265 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam, 2266 int x = 0, int y = 0) 2267 { 2268 msg->message = message; 2269 msg->wParam = wParam; 2270 msg->lParam = lParam; 2271 msg->time = ::GetMessageTime(); 2272 msg->pt.x = x; 2273 msg->pt.y = y; 2274 } 2275 2276 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) { 2277 return mrDoDefault; 2278 } 2279 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) { 2280 return mrDoDefault; 2281 } 2282 2283 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) { 2284 return mrDoDefault; 2285 } 2286 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) { 2287 return mrDoDefault; 2288 } 2289 2290 /* Double-click variables. */ 2291 static jlong multiClickTime = ::GetDoubleClickTime(); 2292 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK); 2293 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK); 2294 static AwtComponent* lastClickWnd = NULL; 2295 static jlong lastTime = 0; 2296 static int lastClickX = 0; 2297 static int lastClickY = 0; 2298 static int lastButton = 0; 2299 static int clickCount = 0; 2300 2301 // A static method that makes the clickCount available in the derived classes 2302 // overriding WmMouseDown(). 2303 int AwtComponent::GetClickCount() 2304 { 2305 return clickCount; 2306 } 2307 2308 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button) 2309 { 2310 jlong now = ::JVM_CurrentTimeMillis(NULL, 0); 2311 2312 if (lastClickWnd == this && 2313 lastButton == button && 2314 (now - lastTime) <= multiClickTime && 2315 abs(x - lastClickX) <= multiClickMaxX && 2316 abs(y - lastClickY) <= multiClickMaxY) 2317 { 2318 clickCount++; 2319 } else { 2320 clickCount = 1; 2321 lastClickWnd = this; 2322 lastButton = button; 2323 lastClickX = x; 2324 lastClickY = y; 2325 } 2326 /* 2327 *Set appropriate bit of the mask on WM_MOUSE_DOWN message. 2328 */ 2329 m_mouseButtonClickAllowed |= GetButtonMK(button); 2330 lastTime = now; 2331 2332 MSG msg; 2333 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2334 2335 AwtWindow *toplevel = GetContainer(); 2336 if (toplevel && !toplevel->IsSimpleWindow()) { 2337 /* 2338 * The frame should be focused by click in case it is 2339 * the active window but not the focused window. See 6886678. 2340 */ 2341 if (toplevel->GetHWnd() == ::GetActiveWindow() && 2342 toplevel->GetHWnd() != AwtComponent::GetFocusedWindow()) 2343 { 2344 toplevel->AwtSetActiveWindow(); 2345 } 2346 } 2347 2348 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y, 2349 GetJavaModifiers(), clickCount, JNI_FALSE, 2350 GetButton(button), &msg); 2351 /* 2352 * NOTE: this call is intentionally placed after all other code, 2353 * since AwtComponent::WmMouseDown() assumes that the cached id of the 2354 * latest retrieved message (see lastMessage in awt_Component.cpp) 2355 * matches the mouse message being processed. 2356 * SetCapture() sends WM_CAPTURECHANGED and breaks that 2357 * assumption. 2358 */ 2359 SetDragCapture(flags); 2360 2361 AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd())); 2362 if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) { 2363 if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) { 2364 AwtWindow::GetGrabbedWindow()->Ungrab(); 2365 } 2366 } 2367 return mrConsume; 2368 } 2369 2370 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button) 2371 { 2372 MSG msg; 2373 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2374 2375 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, ::JVM_CurrentTimeMillis(NULL, 0), 2376 x, y, GetJavaModifiers(), clickCount, 2377 (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ? 2378 TRUE : FALSE), GetButton(button), &msg); 2379 /* 2380 * If no movement, then report a click following the button release. 2381 * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN, 2382 * spurous MOUSE_CLICK is about to happen. See 6430553. 2383 */ 2384 if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed 2385 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED, 2386 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 2387 clickCount, JNI_FALSE, GetButton(button)); 2388 } 2389 // Exclude button from allowed to generate CLICK messages 2390 m_mouseButtonClickAllowed &= ~GetButtonMK(button); 2391 2392 if ((flags & ALL_MK_BUTTONS) == 0) { 2393 // only update if all buttons have been released 2394 AwtCursor::UpdateCursor(this); 2395 } 2396 /* 2397 * NOTE: this call is intentionally placed after all other code, 2398 * since AwtComponent::WmMouseUp() assumes that the cached id of the 2399 * latest retrieved message (see lastMessage in awt_Component.cpp) 2400 * matches the mouse message being processed. 2401 * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that 2402 * assumption. 2403 */ 2404 ReleaseDragCapture(flags); 2405 2406 return mrConsume; 2407 } 2408 2409 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y) 2410 { 2411 static AwtComponent* lastComp = NULL; 2412 static int lastX = 0; 2413 static int lastY = 0; 2414 2415 /* 2416 * Only report mouse move and drag events if a move or drag 2417 * actually happened -- Windows sends a WM_MOUSEMOVE in case the 2418 * app wants to modify the cursor. 2419 */ 2420 if (lastComp != this || x != lastX || y != lastY) { 2421 lastComp = this; 2422 lastX = x; 2423 lastY = y; 2424 BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled(); 2425 if (((flags & (ALL_MK_BUTTONS)) != 0) || 2426 (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0)) 2427 // if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) || 2428 // ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) )) 2429 { 2430 // 6404008 : if Dragged event fired we shouldn't fire 2431 // Clicked event: m_firstDragSent set to TRUE. 2432 // This is a partial backout of 5039416 fix. 2433 MSG msg; 2434 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2435 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, ::JVM_CurrentTimeMillis(NULL, 0), x, y, 2436 GetJavaModifiers(), 0, JNI_FALSE, 2437 java_awt_event_MouseEvent_NOBUTTON, &msg); 2438 //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence 2439 m_mouseButtonClickAllowed = 0; 2440 } else { 2441 MSG msg; 2442 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2443 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, ::JVM_CurrentTimeMillis(NULL, 0), x, y, 2444 GetJavaModifiers(), 0, JNI_FALSE, 2445 java_awt_event_MouseEvent_NOBUTTON, &msg); 2446 } 2447 } 2448 2449 return mrConsume; 2450 } 2451 2452 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y) 2453 { 2454 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, ::JVM_CurrentTimeMillis(NULL, 0), x, 2455 y, GetJavaModifiers(), 0, JNI_FALSE); 2456 sm_cursorOn = NULL; 2457 return mrConsume; /* Don't pass our synthetic event on! */ 2458 } 2459 2460 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y, 2461 int wheelRotation) 2462 { 2463 // convert coordinates to be Component-relative, not screen relative 2464 // for wheeling when outside the window, this works similar to 2465 // coordinates during a drag 2466 POINT eventPt; 2467 eventPt.x = x; 2468 eventPt.y = y; 2469 DTRACE_PRINT2(" original coords: %i,%i\n", x, y); 2470 ::ScreenToClient(GetHWnd(), &eventPt); 2471 DTRACE_PRINT2(" new coords: %i,%i\n\n", eventPt.x, eventPt.y); 2472 2473 // set some defaults 2474 jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL; 2475 jint scrollLines = 3; 2476 2477 BOOL result; 2478 UINT platformLines; 2479 2480 m_wheelRotationAmount += wheelRotation; 2481 2482 // AWT interprets wheel rotation differently than win32, so we need to 2483 // decode wheel amount. 2484 jint roundedWheelRotation = m_wheelRotationAmount / (-1 * WHEEL_DELTA); 2485 jdouble preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA); 2486 2487 MSG msg; 2488 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, 2489 &platformLines, 0); 2490 InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation), 2491 MAKELPARAM(x, y)); 2492 2493 if (result) { 2494 if (platformLines == WHEEL_PAGESCROLL) { 2495 scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL; 2496 scrollLines = 1; 2497 } 2498 else { 2499 scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL; 2500 scrollLines = platformLines; 2501 } 2502 } 2503 2504 DTRACE_PRINTLN("calling SendMouseWheelEvent"); 2505 2506 SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, ::JVM_CurrentTimeMillis(NULL, 0), 2507 eventPt.x, eventPt.y, GetJavaModifiers(), 0, 0, scrollType, 2508 scrollLines, roundedWheelRotation, preciseWheelRotation, &msg); 2509 2510 m_wheelRotationAmount %= WHEEL_DELTA; 2511 // this message could be propagated up to the parent chain 2512 // by the mouse message post processors 2513 return mrConsume; 2514 } 2515 2516 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) { 2517 // Rector+Newcomer page 413 2518 // The extended keys are the Alt and Control on the right of 2519 // the space bar, the non-Numpad arrow keys, the non-Numpad 2520 // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys. 2521 // Note that neither Shift key is extended. 2522 // Although not listed in Rector+Newcomer, both Windows keys 2523 // (91 and 92) are extended keys, the Context Menu key 2524 // (property key or application key - 93) is extended, 2525 // and so is the NumLock key. 2526 2527 // wkey is the wParam, flags is the HIWORD of the lParam 2528 2529 // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam) 2530 BOOL extended = ((1<<8) & flags); 2531 2532 if (IsNumPadKey(wkey, extended)) { 2533 return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD; 2534 } 2535 2536 switch (wkey) { 2537 case VK_SHIFT: 2538 return AwtComponent::GetShiftKeyLocation(wkey, flags); 2539 case VK_CONTROL: // fall through 2540 case VK_MENU: 2541 if (extended) { 2542 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT; 2543 } else { 2544 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2545 } 2546 case VK_LWIN: 2547 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2548 case VK_RWIN: 2549 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT; 2550 default: 2551 break; 2552 } 2553 2554 // REMIND: if we add keycodes for the windows keys, we'll have to 2555 // include left/right discrimination code for them. 2556 2557 return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD; 2558 } 2559 2560 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags) 2561 { 2562 // init scancodes to safe values 2563 UINT leftShiftScancode = 0; 2564 UINT rightShiftScancode = 0; 2565 2566 // First 8 bits of flags is the scancode 2567 UINT keyScanCode = flags & 0xFF; 2568 2569 DTRACE_PRINTLN3( 2570 "AwtComponent::GetShiftKeyLocation vkey = %d = 0x%x scan = %d", 2571 vkey, vkey, keyScanCode); 2572 2573 leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0); 2574 rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0); 2575 2576 if (keyScanCode == leftShiftScancode) { 2577 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2578 } 2579 if (keyScanCode == rightShiftScancode) { 2580 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT; 2581 } 2582 2583 DASSERT(false); 2584 // Note: the above should not fail on NT (or 2000) 2585 2586 // default value 2587 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2588 } 2589 2590 /* Returns Java extended InputEvent modifieres. 2591 * Since ::GetKeyState returns current state and Java modifiers represent 2592 * state before event, modifier on changed key are inverted. 2593 */ 2594 jint 2595 AwtComponent::GetJavaModifiers() 2596 { 2597 jint modifiers = 0; 2598 2599 if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) { 2600 modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK; 2601 } 2602 if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) { 2603 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK; 2604 } 2605 if (HIBYTE(::GetKeyState(VK_MENU)) != 0) { 2606 modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK; 2607 } 2608 if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) { 2609 modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK; 2610 } 2611 if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) { 2612 modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK; 2613 } 2614 if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) { 2615 modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK; 2616 } 2617 2618 if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) { 2619 modifiers |= masks[3]; 2620 } 2621 if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) { 2622 modifiers |= masks[4]; 2623 } 2624 return modifiers; 2625 } 2626 2627 jint 2628 AwtComponent::GetButton(int mouseButton) 2629 { 2630 /* Mouse buttons are already set correctly for left/right handedness */ 2631 switch(mouseButton) { 2632 case LEFT_BUTTON: 2633 return java_awt_event_MouseEvent_BUTTON1; 2634 case MIDDLE_BUTTON: 2635 return java_awt_event_MouseEvent_BUTTON2; 2636 case RIGHT_BUTTON: 2637 return java_awt_event_MouseEvent_BUTTON3; 2638 case X1_BUTTON: //16 : 2639 //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now 2640 return 4; 2641 case X2_BUTTON: //32 2642 return 5; 2643 } 2644 return java_awt_event_MouseEvent_NOBUTTON; 2645 } 2646 2647 UINT 2648 AwtComponent::GetButtonMK(int mouseButton) 2649 { 2650 switch(mouseButton) { 2651 case LEFT_BUTTON: 2652 return MK_LBUTTON; 2653 case MIDDLE_BUTTON: 2654 return MK_MBUTTON; 2655 case RIGHT_BUTTON: 2656 return MK_RBUTTON; 2657 case X1_BUTTON: 2658 return MK_XBUTTON1; 2659 case X2_BUTTON: 2660 return MK_XBUTTON2; 2661 } 2662 return 0; 2663 } 2664 2665 // FIXME: Keyboard related stuff has grown so big and hairy that we 2666 // really need to move it into a class of its own. And, since 2667 // keyboard is a shared resource, AwtComponent is a bad place for it. 2668 2669 // These constants are defined in the Japanese version of VC++5.0, 2670 // but not the US version 2671 #ifndef VK_CONVERT 2672 #define VK_KANA 0x15 2673 #define VK_KANJI 0x19 2674 #define VK_CONVERT 0x1C 2675 #define VK_NONCONVERT 0x1D 2676 #endif 2677 2678 #ifndef VK_XBUTTON1 2679 #define VK_XBUTTON1 0x05 2680 #endif 2681 2682 #ifndef VK_XBUTTON2 2683 #define VK_XBUTTON2 0x06 2684 #endif 2685 2686 typedef struct { 2687 UINT javaKey; 2688 UINT windowsKey; 2689 } KeyMapEntry; 2690 2691 // Static table, arranged more or less spatially. 2692 KeyMapEntry keyMapTable[] = { 2693 // Modifier keys 2694 {java_awt_event_KeyEvent_VK_CAPS_LOCK, VK_CAPITAL}, 2695 {java_awt_event_KeyEvent_VK_SHIFT, VK_SHIFT}, 2696 {java_awt_event_KeyEvent_VK_CONTROL, VK_CONTROL}, 2697 {java_awt_event_KeyEvent_VK_ALT, VK_MENU}, 2698 {java_awt_event_KeyEvent_VK_NUM_LOCK, VK_NUMLOCK}, 2699 2700 // Miscellaneous Windows keys 2701 {java_awt_event_KeyEvent_VK_WINDOWS, VK_LWIN}, 2702 {java_awt_event_KeyEvent_VK_WINDOWS, VK_RWIN}, 2703 {java_awt_event_KeyEvent_VK_CONTEXT_MENU, VK_APPS}, 2704 2705 // Alphabet 2706 {java_awt_event_KeyEvent_VK_A, 'A'}, 2707 {java_awt_event_KeyEvent_VK_B, 'B'}, 2708 {java_awt_event_KeyEvent_VK_C, 'C'}, 2709 {java_awt_event_KeyEvent_VK_D, 'D'}, 2710 {java_awt_event_KeyEvent_VK_E, 'E'}, 2711 {java_awt_event_KeyEvent_VK_F, 'F'}, 2712 {java_awt_event_KeyEvent_VK_G, 'G'}, 2713 {java_awt_event_KeyEvent_VK_H, 'H'}, 2714 {java_awt_event_KeyEvent_VK_I, 'I'}, 2715 {java_awt_event_KeyEvent_VK_J, 'J'}, 2716 {java_awt_event_KeyEvent_VK_K, 'K'}, 2717 {java_awt_event_KeyEvent_VK_L, 'L'}, 2718 {java_awt_event_KeyEvent_VK_M, 'M'}, 2719 {java_awt_event_KeyEvent_VK_N, 'N'}, 2720 {java_awt_event_KeyEvent_VK_O, 'O'}, 2721 {java_awt_event_KeyEvent_VK_P, 'P'}, 2722 {java_awt_event_KeyEvent_VK_Q, 'Q'}, 2723 {java_awt_event_KeyEvent_VK_R, 'R'}, 2724 {java_awt_event_KeyEvent_VK_S, 'S'}, 2725 {java_awt_event_KeyEvent_VK_T, 'T'}, 2726 {java_awt_event_KeyEvent_VK_U, 'U'}, 2727 {java_awt_event_KeyEvent_VK_V, 'V'}, 2728 {java_awt_event_KeyEvent_VK_W, 'W'}, 2729 {java_awt_event_KeyEvent_VK_X, 'X'}, 2730 {java_awt_event_KeyEvent_VK_Y, 'Y'}, 2731 {java_awt_event_KeyEvent_VK_Z, 'Z'}, 2732 2733 // Standard numeric row 2734 {java_awt_event_KeyEvent_VK_0, '0'}, 2735 {java_awt_event_KeyEvent_VK_1, '1'}, 2736 {java_awt_event_KeyEvent_VK_2, '2'}, 2737 {java_awt_event_KeyEvent_VK_3, '3'}, 2738 {java_awt_event_KeyEvent_VK_4, '4'}, 2739 {java_awt_event_KeyEvent_VK_5, '5'}, 2740 {java_awt_event_KeyEvent_VK_6, '6'}, 2741 {java_awt_event_KeyEvent_VK_7, '7'}, 2742 {java_awt_event_KeyEvent_VK_8, '8'}, 2743 {java_awt_event_KeyEvent_VK_9, '9'}, 2744 2745 // Misc key from main block 2746 {java_awt_event_KeyEvent_VK_ENTER, VK_RETURN}, 2747 {java_awt_event_KeyEvent_VK_SPACE, VK_SPACE}, 2748 {java_awt_event_KeyEvent_VK_BACK_SPACE, VK_BACK}, 2749 {java_awt_event_KeyEvent_VK_TAB, VK_TAB}, 2750 {java_awt_event_KeyEvent_VK_ESCAPE, VK_ESCAPE}, 2751 2752 // NumPad with NumLock off & extended block (rectangular) 2753 {java_awt_event_KeyEvent_VK_INSERT, VK_INSERT}, 2754 {java_awt_event_KeyEvent_VK_DELETE, VK_DELETE}, 2755 {java_awt_event_KeyEvent_VK_HOME, VK_HOME}, 2756 {java_awt_event_KeyEvent_VK_END, VK_END}, 2757 {java_awt_event_KeyEvent_VK_PAGE_UP, VK_PRIOR}, 2758 {java_awt_event_KeyEvent_VK_PAGE_DOWN, VK_NEXT}, 2759 {java_awt_event_KeyEvent_VK_CLEAR, VK_CLEAR}, // NumPad 5 2760 2761 // NumPad with NumLock off & extended arrows block (triangular) 2762 {java_awt_event_KeyEvent_VK_LEFT, VK_LEFT}, 2763 {java_awt_event_KeyEvent_VK_RIGHT, VK_RIGHT}, 2764 {java_awt_event_KeyEvent_VK_UP, VK_UP}, 2765 {java_awt_event_KeyEvent_VK_DOWN, VK_DOWN}, 2766 2767 // NumPad with NumLock on: numbers 2768 {java_awt_event_KeyEvent_VK_NUMPAD0, VK_NUMPAD0}, 2769 {java_awt_event_KeyEvent_VK_NUMPAD1, VK_NUMPAD1}, 2770 {java_awt_event_KeyEvent_VK_NUMPAD2, VK_NUMPAD2}, 2771 {java_awt_event_KeyEvent_VK_NUMPAD3, VK_NUMPAD3}, 2772 {java_awt_event_KeyEvent_VK_NUMPAD4, VK_NUMPAD4}, 2773 {java_awt_event_KeyEvent_VK_NUMPAD5, VK_NUMPAD5}, 2774 {java_awt_event_KeyEvent_VK_NUMPAD6, VK_NUMPAD6}, 2775 {java_awt_event_KeyEvent_VK_NUMPAD7, VK_NUMPAD7}, 2776 {java_awt_event_KeyEvent_VK_NUMPAD8, VK_NUMPAD8}, 2777 {java_awt_event_KeyEvent_VK_NUMPAD9, VK_NUMPAD9}, 2778 2779 // NumPad with NumLock on 2780 {java_awt_event_KeyEvent_VK_MULTIPLY, VK_MULTIPLY}, 2781 {java_awt_event_KeyEvent_VK_ADD, VK_ADD}, 2782 {java_awt_event_KeyEvent_VK_SEPARATOR, VK_SEPARATOR}, 2783 {java_awt_event_KeyEvent_VK_SUBTRACT, VK_SUBTRACT}, 2784 {java_awt_event_KeyEvent_VK_DECIMAL, VK_DECIMAL}, 2785 {java_awt_event_KeyEvent_VK_DIVIDE, VK_DIVIDE}, 2786 2787 // Functional keys 2788 {java_awt_event_KeyEvent_VK_F1, VK_F1}, 2789 {java_awt_event_KeyEvent_VK_F2, VK_F2}, 2790 {java_awt_event_KeyEvent_VK_F3, VK_F3}, 2791 {java_awt_event_KeyEvent_VK_F4, VK_F4}, 2792 {java_awt_event_KeyEvent_VK_F5, VK_F5}, 2793 {java_awt_event_KeyEvent_VK_F6, VK_F6}, 2794 {java_awt_event_KeyEvent_VK_F7, VK_F7}, 2795 {java_awt_event_KeyEvent_VK_F8, VK_F8}, 2796 {java_awt_event_KeyEvent_VK_F9, VK_F9}, 2797 {java_awt_event_KeyEvent_VK_F10, VK_F10}, 2798 {java_awt_event_KeyEvent_VK_F11, VK_F11}, 2799 {java_awt_event_KeyEvent_VK_F12, VK_F12}, 2800 {java_awt_event_KeyEvent_VK_F13, VK_F13}, 2801 {java_awt_event_KeyEvent_VK_F14, VK_F14}, 2802 {java_awt_event_KeyEvent_VK_F15, VK_F15}, 2803 {java_awt_event_KeyEvent_VK_F16, VK_F16}, 2804 {java_awt_event_KeyEvent_VK_F17, VK_F17}, 2805 {java_awt_event_KeyEvent_VK_F18, VK_F18}, 2806 {java_awt_event_KeyEvent_VK_F19, VK_F19}, 2807 {java_awt_event_KeyEvent_VK_F20, VK_F20}, 2808 {java_awt_event_KeyEvent_VK_F21, VK_F21}, 2809 {java_awt_event_KeyEvent_VK_F22, VK_F22}, 2810 {java_awt_event_KeyEvent_VK_F23, VK_F23}, 2811 {java_awt_event_KeyEvent_VK_F24, VK_F24}, 2812 2813 {java_awt_event_KeyEvent_VK_PRINTSCREEN, VK_SNAPSHOT}, 2814 {java_awt_event_KeyEvent_VK_SCROLL_LOCK, VK_SCROLL}, 2815 {java_awt_event_KeyEvent_VK_PAUSE, VK_PAUSE}, 2816 {java_awt_event_KeyEvent_VK_CANCEL, VK_CANCEL}, 2817 {java_awt_event_KeyEvent_VK_HELP, VK_HELP}, 2818 2819 // Japanese 2820 {java_awt_event_KeyEvent_VK_CONVERT, VK_CONVERT}, 2821 {java_awt_event_KeyEvent_VK_NONCONVERT, VK_NONCONVERT}, 2822 {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI}, 2823 {java_awt_event_KeyEvent_VK_ALPHANUMERIC, VK_DBE_ALPHANUMERIC}, 2824 {java_awt_event_KeyEvent_VK_KATAKANA, VK_DBE_KATAKANA}, 2825 {java_awt_event_KeyEvent_VK_HIRAGANA, VK_DBE_HIRAGANA}, 2826 {java_awt_event_KeyEvent_VK_FULL_WIDTH, VK_DBE_DBCSCHAR}, 2827 {java_awt_event_KeyEvent_VK_HALF_WIDTH, VK_DBE_SBCSCHAR}, 2828 {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN}, 2829 2830 {java_awt_event_KeyEvent_VK_UNDEFINED, 0} 2831 }; 2832 2833 2834 // Dynamic mapping table for OEM VK codes. This table is refilled 2835 // by BuildDynamicKeyMapTable when keyboard layout is switched. 2836 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values). 2837 struct DynamicKeyMapEntry { 2838 UINT windowsKey; // OEM VK codes known in advance 2839 UINT javaKey; // depends on input langauge (kbd layout) 2840 }; 2841 2842 static DynamicKeyMapEntry dynamicKeyMapTable[] = { 2843 {0x00BA, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1 2844 {0x00BB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS 2845 {0x00BC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA 2846 {0x00BD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS 2847 {0x00BE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD 2848 {0x00BF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2 2849 {0x00C0, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3 2850 {0x00DB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4 2851 {0x00DC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5 2852 {0x00DD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6 2853 {0x00DE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7 2854 {0x00DF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8 2855 {0x00E2, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102 2856 {0, 0} 2857 }; 2858 2859 2860 2861 // Auxiliary tables used to fill the above dynamic table. We first 2862 // find the character for the OEM VK code using ::MapVirtualKey and 2863 // then go through these auxiliary tables to map it to Java VK code. 2864 2865 struct CharToVKEntry { 2866 WCHAR c; 2867 UINT javaKey; 2868 }; 2869 2870 static const CharToVKEntry charToVKTable[] = { 2871 {L'!', java_awt_event_KeyEvent_VK_EXCLAMATION_MARK}, 2872 {L'"', java_awt_event_KeyEvent_VK_QUOTEDBL}, 2873 {L'#', java_awt_event_KeyEvent_VK_NUMBER_SIGN}, 2874 {L'$', java_awt_event_KeyEvent_VK_DOLLAR}, 2875 {L'&', java_awt_event_KeyEvent_VK_AMPERSAND}, 2876 {L'\'', java_awt_event_KeyEvent_VK_QUOTE}, 2877 {L'(', java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS}, 2878 {L')', java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS}, 2879 {L'*', java_awt_event_KeyEvent_VK_ASTERISK}, 2880 {L'+', java_awt_event_KeyEvent_VK_PLUS}, 2881 {L',', java_awt_event_KeyEvent_VK_COMMA}, 2882 {L'-', java_awt_event_KeyEvent_VK_MINUS}, 2883 {L'.', java_awt_event_KeyEvent_VK_PERIOD}, 2884 {L'/', java_awt_event_KeyEvent_VK_SLASH}, 2885 {L':', java_awt_event_KeyEvent_VK_COLON}, 2886 {L';', java_awt_event_KeyEvent_VK_SEMICOLON}, 2887 {L'<', java_awt_event_KeyEvent_VK_LESS}, 2888 {L'=', java_awt_event_KeyEvent_VK_EQUALS}, 2889 {L'>', java_awt_event_KeyEvent_VK_GREATER}, 2890 {L'@', java_awt_event_KeyEvent_VK_AT}, 2891 {L'[', java_awt_event_KeyEvent_VK_OPEN_BRACKET}, 2892 {L'\\', java_awt_event_KeyEvent_VK_BACK_SLASH}, 2893 {L']', java_awt_event_KeyEvent_VK_CLOSE_BRACKET}, 2894 {L'^', java_awt_event_KeyEvent_VK_CIRCUMFLEX}, 2895 {L'_', java_awt_event_KeyEvent_VK_UNDERSCORE}, 2896 {L'`', java_awt_event_KeyEvent_VK_BACK_QUOTE}, 2897 {L'{', java_awt_event_KeyEvent_VK_BRACELEFT}, 2898 {L'}', java_awt_event_KeyEvent_VK_BRACERIGHT}, 2899 {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK}, 2900 {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ???? 2901 {0,0} 2902 }; 2903 2904 // For dead accents some layouts return ASCII punctuation, while some 2905 // return spacing accent chars, so both should be listed. NB: MS docs 2906 // say that conversion routings return spacing accent character, not 2907 // combining. 2908 static const CharToVKEntry charToDeadVKTable[] = { 2909 {L'`', java_awt_event_KeyEvent_VK_DEAD_GRAVE}, 2910 {L'\'', java_awt_event_KeyEvent_VK_DEAD_ACUTE}, 2911 {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE}, 2912 {L'^', java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX}, 2913 {L'~', java_awt_event_KeyEvent_VK_DEAD_TILDE}, 2914 {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE}, 2915 {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON}, 2916 {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE}, 2917 {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT}, 2918 {L'"', java_awt_event_KeyEvent_VK_DEAD_DIAERESIS}, 2919 {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS}, 2920 {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING}, 2921 {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE}, 2922 {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON}, // aka hacek 2923 {L',', java_awt_event_KeyEvent_VK_DEAD_CEDILLA}, 2924 {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA}, 2925 {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK}, 2926 {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA}, // ASCII ??? 2927 {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND}, 2928 {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND}, 2929 {0,0} 2930 }; 2931 2932 // The full map of the current keyboard state including 2933 // windows virtual key, scancode, java virtual key, and unicode 2934 // for this key sans modifiers. 2935 // All but first element may be 0. 2936 // XXX in the update releases this is an addition to the unchanged existing code 2937 struct DynPrimaryKeymapEntry { 2938 UINT wkey; 2939 UINT scancode; 2940 UINT jkey; 2941 WCHAR unicode; 2942 }; 2943 2944 static DynPrimaryKeymapEntry dynPrimaryKeymap[256]; 2945 2946 void 2947 AwtComponent::InitDynamicKeyMapTable() 2948 { 2949 static BOOL kbdinited = FALSE; 2950 2951 if (!kbdinited) { 2952 AwtComponent::BuildDynamicKeyMapTable(); 2953 // We cannot build it here since JNI is not available yet: 2954 //AwtComponent::BuildPrimaryDynamicTable(); 2955 kbdinited = TRUE; 2956 } 2957 } 2958 2959 void 2960 AwtComponent::BuildDynamicKeyMapTable() 2961 { 2962 HKL hkl = GetKeyboardLayout(); 2963 2964 DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)", 2965 hkl, AwtComponent::GetCodePage()); 2966 2967 // Will need this to reset layout after dead keys. 2968 UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl); 2969 2970 // Entries in dynamic table that maps between Java VK and Windows 2971 // VK are built in three steps: 2972 // 1. Map windows VK to ANSI character (cannot map to unicode 2973 // directly, since ::ToUnicode is not implemented on win9x) 2974 // 2. Convert ANSI char to Unicode char 2975 // 3. Map Unicode char to Java VK via two auxilary tables. 2976 2977 for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable; 2978 dynamic->windowsKey != 0; 2979 ++dynamic) 2980 { 2981 // Defaults to VK_UNDEFINED 2982 dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED; 2983 2984 BYTE kbdState[AwtToolkit::KB_STATE_SIZE]; 2985 AwtToolkit::GetKeyboardState(kbdState); 2986 2987 kbdState[dynamic->windowsKey] |= 0x80; // Press the key. 2988 2989 // Unpress modifiers, since they are most likely pressed as 2990 // part of the keyboard switching shortcut. 2991 kbdState[VK_CONTROL] &= ~0x80; 2992 kbdState[VK_SHIFT] &= ~0x80; 2993 kbdState[VK_MENU] &= ~0x80; 2994 2995 char cbuf[2] = { '\0', '\0'}; 2996 UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl); 2997 int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState, 2998 (WORD*)cbuf, 0, hkl); 2999 3000 // Auxiliary table used to map Unicode character to Java VK. 3001 // Will assign a different table for dead keys (below). 3002 const CharToVKEntry *charMap = charToVKTable; 3003 3004 if (nchars < 0) { // Dead key 3005 // Use a different table for dead chars since different layouts 3006 // return different characters for the same dead key. 3007 charMap = charToDeadVKTable; 3008 3009 // We also need to reset layout so that next translation 3010 // is unaffected by the dead status. We do this by 3011 // translating <SPACE> key. 3012 kbdState[dynamic->windowsKey] &= ~0x80; 3013 kbdState[VK_SPACE] |= 0x80; 3014 3015 char junkbuf[2] = { '\0', '\0'}; 3016 ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState, 3017 (WORD*)junkbuf, 0, hkl); 3018 } 3019 3020 #ifdef DEBUG 3021 if (nchars == 0) { 3022 DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char", 3023 dynamic->windowsKey); 3024 continue; 3025 } 3026 else if (nchars > 1) { // can't happen, see reset code below 3027 DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>", 3028 dynamic->windowsKey, 3029 (UCHAR)cbuf[0], (UCHAR)cbuf[1]); 3030 continue; 3031 } 3032 #endif 3033 3034 WCHAR ucbuf[2] = { L'\0', L'\0' }; 3035 int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0, 3036 cbuf, 1, ucbuf, 2); 3037 #ifdef DEBUG 3038 if (nconverted < 0) { 3039 DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)", 3040 dynamic->windowsKey, (UCHAR)cbuf[0], 3041 ::GetLastError()); 3042 continue; 3043 } 3044 #endif 3045 3046 WCHAR uc = ucbuf[0]; 3047 for (const CharToVKEntry *map = charMap; map->c != 0; ++map) { 3048 if (uc == map->c) { 3049 dynamic->javaKey = map->javaKey; 3050 break; 3051 } 3052 } 3053 3054 DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X", 3055 dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0], 3056 dynamic->javaKey); 3057 } // for each VK_OEM_* 3058 } 3059 3060 3061 static BOOL isKanaLockAvailable() 3062 { 3063 // This method is to determine whether the Kana Lock feature is 3064 // available on the attached keyboard. Kana Lock feature does not 3065 // necessarily require that the real KANA keytop is available on 3066 // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing. 3067 // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :- 3068 // 3069 // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL) 3070 // - the keyboard is Japanese keyboard (keyboard type == 7). 3071 return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT)) 3072 && (GetKeyboardType(0) == 7); 3073 } 3074 3075 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey, 3076 UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey) 3077 { 3078 // Handle the few cases where a Java VK code corresponds to a Windows 3079 // key/modifier combination or applies only to specific keyboard layouts 3080 switch (javaKey) { 3081 case java_awt_event_KeyEvent_VK_ALL_CANDIDATES: 3082 *windowsKey = VK_CONVERT; 3083 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK; 3084 return; 3085 case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE: 3086 *windowsKey = VK_CONVERT; 3087 *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK; 3088 return; 3089 case java_awt_event_KeyEvent_VK_CODE_INPUT: 3090 *windowsKey = VK_DBE_ALPHANUMERIC; 3091 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK; 3092 return; 3093 case java_awt_event_KeyEvent_VK_KANA_LOCK: 3094 if (isKanaLockAvailable()) { 3095 *windowsKey = VK_KANA; 3096 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK; 3097 return; 3098 } 3099 } 3100 3101 // for the general case, use a bi-directional table 3102 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) { 3103 if (keyMapTable[i].javaKey == javaKey) { 3104 *windowsKey = keyMapTable[i].windowsKey; 3105 *modifiers = 0; 3106 return; 3107 } 3108 } 3109 3110 // Bug 4766655 3111 // Two Windows keys could map to the same Java key, so 3112 // give preference to the originalWindowsKey if it is 3113 // specified (not IGNORE_KEY). 3114 if (originalWindowsKey == IGNORE_KEY) { 3115 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) { 3116 if (dynamicKeyMapTable[j].javaKey == javaKey) { 3117 *windowsKey = dynamicKeyMapTable[j].windowsKey; 3118 *modifiers = 0; 3119 return; 3120 } 3121 } 3122 } else { 3123 BOOL found = false; 3124 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) { 3125 if (dynamicKeyMapTable[j].javaKey == javaKey) { 3126 *windowsKey = dynamicKeyMapTable[j].windowsKey; 3127 *modifiers = 0; 3128 found = true; 3129 if (*windowsKey == originalWindowsKey) { 3130 return; /* if ideal case found return, else keep looking */ 3131 } 3132 } 3133 } 3134 if (found) { 3135 return; 3136 } 3137 } 3138 3139 *windowsKey = 0; 3140 *modifiers = 0; 3141 return; 3142 } 3143 3144 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey) 3145 3146 { 3147 // Handle the few cases where we need to take the modifier into 3148 // consideration for the Java VK code or where we have to take the keyboard 3149 // layout into consideration so that function keys can get 3150 // recognized in a platform-independent way. 3151 switch (windowsKey) { 3152 case VK_CONVERT: 3153 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) { 3154 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES; 3155 } 3156 if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) { 3157 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE; 3158 } 3159 break; 3160 case VK_DBE_ALPHANUMERIC: 3161 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) { 3162 return java_awt_event_KeyEvent_VK_CODE_INPUT; 3163 } 3164 break; 3165 case VK_KANA: 3166 if (isKanaLockAvailable()) { 3167 return java_awt_event_KeyEvent_VK_KANA_LOCK; 3168 } 3169 break; 3170 }; 3171 3172 // check dead key 3173 if (isDeadKey) { 3174 for (int i = 0; charToDeadVKTable[i].c != 0; i++) { 3175 if (charToDeadVKTable[i].c == character) { 3176 return charToDeadVKTable[i].javaKey; 3177 } 3178 } 3179 } 3180 3181 // for the general case, use a bi-directional table 3182 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) { 3183 if (keyMapTable[i].windowsKey == windowsKey) { 3184 return keyMapTable[i].javaKey; 3185 } 3186 } 3187 3188 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) { 3189 if (dynamicKeyMapTable[j].windowsKey == windowsKey) { 3190 if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) { 3191 return dynamicKeyMapTable[j].javaKey; 3192 }else{ 3193 break; 3194 } 3195 } 3196 } 3197 3198 return java_awt_event_KeyEvent_VK_UNDEFINED; 3199 } 3200 3201 BOOL AwtComponent::IsNavigationKey(UINT wkey) { 3202 switch (wkey) { 3203 case VK_END: 3204 case VK_PRIOR: // PageUp 3205 case VK_NEXT: // PageDown 3206 case VK_HOME: 3207 case VK_LEFT: 3208 case VK_UP: 3209 case VK_RIGHT: 3210 case VK_DOWN: 3211 return TRUE; 3212 } 3213 return FALSE; 3214 } 3215 3216 // determine if a key is a numpad key (distinguishes the numpad 3217 // arrow keys from the non-numpad arrow keys, for example). 3218 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended) 3219 { 3220 // Note: scancodes are the same for the numpad arrow keys and 3221 // the non-numpad arrow keys (also for PageUp, etc.). 3222 // The scancodes for the numpad divide and the non-numpad slash 3223 // are the same, but the wparams are different 3224 3225 DTRACE_PRINTLN3("AwtComponent::IsNumPadKey vkey = %d = 0x%x extended = %d", 3226 vkey, vkey, extended); 3227 3228 switch (vkey) { 3229 case VK_CLEAR: // numpad 5 with numlock off 3230 case VK_NUMPAD0: 3231 case VK_NUMPAD1: 3232 case VK_NUMPAD2: 3233 case VK_NUMPAD3: 3234 case VK_NUMPAD4: 3235 case VK_NUMPAD5: 3236 case VK_NUMPAD6: 3237 case VK_NUMPAD7: 3238 case VK_NUMPAD8: 3239 case VK_NUMPAD9: 3240 case VK_MULTIPLY: 3241 case VK_ADD: 3242 case VK_SEPARATOR: // numpad , not on US kbds 3243 case VK_SUBTRACT: 3244 case VK_DECIMAL: 3245 case VK_DIVIDE: 3246 case VK_NUMLOCK: 3247 return TRUE; 3248 break; 3249 case VK_END: 3250 case VK_PRIOR: // PageUp 3251 case VK_NEXT: // PageDown 3252 case VK_HOME: 3253 case VK_LEFT: 3254 case VK_UP: 3255 case VK_RIGHT: 3256 case VK_DOWN: 3257 case VK_INSERT: 3258 case VK_DELETE: 3259 // extended if non-numpad 3260 return (!extended); 3261 break; 3262 case VK_RETURN: // extended if on numpad 3263 return (extended); 3264 break; 3265 default: 3266 break; 3267 } 3268 3269 return FALSE; 3270 } 3271 static void 3272 resetKbdState( BYTE kstate[256]) { 3273 BYTE tmpState[256]; 3274 WCHAR wc[2]; 3275 memmove(tmpState, kstate, sizeof(kstate)); 3276 tmpState[VK_SHIFT] = 0; 3277 tmpState[VK_CONTROL] = 0; 3278 tmpState[VK_MENU] = 0; 3279 3280 ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0, GetKeyboardLayout(0)); 3281 } 3282 3283 // XXX in the update releases this is an addition to the unchanged existing code 3284 // After the call, a table will have a unicode associated with a windows virtual keycode 3285 // sans modifiers. With some further simplification, one can 3286 // derive java keycode from it, and anyway we will pass this unicode value 3287 // all the way up in a comment to a KeyEvent. 3288 void 3289 AwtComponent::BuildPrimaryDynamicTable() { 3290 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 3291 // XXX: how about that? 3292 //CriticalSection::Lock l(GetLock()); 3293 //if (GetPeer(env) == NULL) { 3294 // /* event received during termination. */ 3295 // return; 3296 //} 3297 3298 HKL hkl = GetKeyboardLayout(); 3299 UINT sc = 0; 3300 BYTE kbdState[AwtToolkit::KB_STATE_SIZE]; 3301 memset(kbdState, 0, sizeof (kbdState)); 3302 3303 // Use JNI call to obtain java key code. We should keep a list 3304 // of currently available keycodes in a single place. 3305 static jclass extKeyCodesCls; 3306 if( extKeyCodesCls == NULL) { 3307 jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes"); 3308 DASSERT(extKeyCodesClsLocal); 3309 CHECK_NULL(extKeyCodesClsLocal); 3310 extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal); 3311 env->DeleteLocalRef(extKeyCodesClsLocal); 3312 } 3313 static jmethodID getExtendedKeyCodeForChar; 3314 if (getExtendedKeyCodeForChar == NULL) { 3315 getExtendedKeyCodeForChar = 3316 env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I"); 3317 DASSERT(getExtendedKeyCodeForChar); 3318 CHECK_NULL(getExtendedKeyCodeForChar); 3319 } 3320 jint extJKC; //extended Java key code 3321 3322 for (UINT i = 0; i < 256; i++) { 3323 dynPrimaryKeymap[i].wkey = i; 3324 dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED; 3325 dynPrimaryKeymap[i].unicode = 0; 3326 3327 if ((sc = MapVirtualKey (i, 0)) == 0) { 3328 dynPrimaryKeymap[i].scancode = 0; 3329 continue; 3330 } 3331 dynPrimaryKeymap[i].scancode = sc; 3332 3333 // XXX process cases like VK_SHIFT etc. 3334 kbdState[i] = 0x80; // "key pressed". 3335 WCHAR wc[16]; 3336 int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl); 3337 if (k == 1) { 3338 // unicode 3339 dynPrimaryKeymap[i].unicode = wc[0]; 3340 if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) { 3341 // Convert unicode to java keycode. 3342 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000); 3343 // 3344 //XXX If this key in on the keypad, we should force a special value equal to 3345 //XXX an old java keycode: but how to say if it is a keypad key? 3346 //XXX We'll do it in WmKeyUp/Down. 3347 extJKC = env->CallStaticIntMethod(extKeyCodesCls, 3348 getExtendedKeyCodeForChar, (jint)(wc[0])); 3349 dynPrimaryKeymap[i].jkey = extJKC; 3350 } 3351 }else if (k == -1) { 3352 // dead key: use charToDeadVKTable 3353 dynPrimaryKeymap[i].unicode = wc[0]; 3354 resetKbdState( kbdState ); 3355 for (const CharToVKEntry *map = charToDeadVKTable; map->c != 0; ++map) { 3356 if (wc[0] == map->c) { 3357 dynPrimaryKeymap[i].jkey = map->javaKey; 3358 break; 3359 } 3360 } 3361 } else if (k == 0) { 3362 // reset 3363 resetKbdState( kbdState ); 3364 }else { 3365 // k > 1: this key does generate multiple characters. Ignore it. 3366 // An example: Arabic Lam and Alef ligature. 3367 // There will be no extended keycode and thus shortcuts for this key. 3368 // XXX shouldn't we reset the kbd state? 3369 #ifdef DEBUG 3370 DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i); 3371 #endif 3372 } 3373 kbdState[i] = 0; // "key unpressed" 3374 } 3375 } 3376 void 3377 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers) 3378 { 3379 if( wkey && wkey < 256 ) { 3380 if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) { 3381 // At the creation time, 3382 // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /" 3383 dynPrimaryKeymap[wkey].jkey = jkeyLegacy; 3384 } 3385 if(dynPrimaryKeymap[wkey].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) { 3386 // E.g. it is non-unicode key 3387 dynPrimaryKeymap[wkey].jkey = jkeyLegacy; 3388 } 3389 } 3390 } 3391 3392 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey) 3393 { 3394 static Hashtable transTable("VKEY translations"); 3395 static Hashtable deadKeyFlagTable("Dead Key Flags"); 3396 isDeadKey = FALSE; 3397 3398 // Try to translate using last saved translation 3399 if (ops == LOAD) { 3400 void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey))); 3401 void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey))); 3402 if (value != NULL) { 3403 isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag)); 3404 return static_cast<UINT>(reinterpret_cast<INT_PTR>(value)); 3405 } 3406 } 3407 3408 // If the windows key is a return, wkey will equal 13 ('\r') 3409 // In this case, we want to return 10 ('\n') 3410 // Since ToAscii would convert VK_RETURN to '\r', we need 3411 // to have a special case here. 3412 if (wkey == VK_RETURN) 3413 return '\n'; 3414 3415 // high order bit in keyboardState indicates whether the key is down 3416 static const BYTE KEY_STATE_DOWN = 0x80; 3417 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE]; 3418 AwtToolkit::GetKeyboardState(keyboardState); 3419 3420 // apply modifiers to keyboard state if necessary 3421 if (modifiers) { 3422 BOOL shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK; 3423 BOOL altIsDown = modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK; 3424 BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK; 3425 3426 // Windows treats AltGr as Ctrl+Alt 3427 if (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK) { 3428 altIsDown = TRUE; 3429 ctrlIsDown = TRUE; 3430 } 3431 3432 if (shiftIsDown) { 3433 keyboardState[VK_SHIFT] |= KEY_STATE_DOWN; 3434 } 3435 3436 // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715) 3437 // Here we try to resolve a conflict with ::ToAsciiEx's translating 3438 // ALT+number key combinations. kdm@sarc.spb.su 3439 // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail. 3440 if( IsNavigationKey(wkey) ) { 3441 keyboardState[VK_MENU] &= ~KEY_STATE_DOWN; 3442 } 3443 3444 if (ctrlIsDown) 3445 { 3446 if (altIsDown) { 3447 // bugid 4215009: don't mess with AltGr == Ctrl + Alt 3448 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN; 3449 } 3450 else { 3451 // bugid 4098210: old event model doesn't have KEY_TYPED 3452 // events, so try to provide a meaningful character for 3453 // Ctrl+<key>. Take Ctrl into account only when we know 3454 // that Ctrl+<key> will be an ASCII control. Ignore by 3455 // default. 3456 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN; 3457 3458 // Letters have Ctrl+<letter> counterparts. According to 3459 // <winuser.h> VK_A through VK_Z are the same as ASCII 3460 // 'A' through 'Z'. 3461 if (wkey >= 'A' && wkey <= 'Z') { 3462 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN; 3463 } 3464 else { 3465 // Non-letter controls 033 to 037 are: 3466 // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US) 3467 3468 // Shift state bits returned by ::VkKeyScan in HIBYTE 3469 static const UINT _VKS_SHIFT_MASK = 0x01; 3470 static const UINT _VKS_CTRL_MASK = 0x02; 3471 static const UINT _VKS_ALT_MASK = 0x04; 3472 3473 // Check to see whether there is a meaningful translation 3474 TCHAR ch; 3475 short vk; 3476 for (ch = _T('\033'); ch < _T('\040'); ch++) { 3477 vk = ::VkKeyScan(ch); 3478 if (wkey == LOBYTE(vk)) { 3479 UINT shiftState = HIBYTE(vk); 3480 if ((shiftState & _VKS_CTRL_MASK) || 3481 (!(shiftState & _VKS_SHIFT_MASK) 3482 == !shiftIsDown)) 3483 { 3484 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN; 3485 } 3486 break; 3487 } 3488 } 3489 } 3490 } // ctrlIsDown && altIsDown 3491 } // ctrlIsDown 3492 } // modifiers 3493 3494 // instead of creating our own conversion tables, I'll let Win32 3495 // convert the character for me. 3496 WORD wChar[2]; 3497 UINT scancode = ::MapVirtualKey(wkey, 0); 3498 int converted = ::ToUnicodeEx(wkey, scancode, keyboardState, 3499 wChar, 2, 0, GetKeyboardLayout()); 3500 3501 UINT translation; 3502 BOOL deadKeyFlag = (converted == 2); 3503 3504 // Dead Key 3505 if (converted < 0) { 3506 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED; 3507 } else 3508 // No translation available -- try known conversions or else punt. 3509 if (converted == 0) { 3510 if (wkey == VK_DELETE) { 3511 translation = '\177'; 3512 } else 3513 if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) { 3514 translation = '0' + wkey - VK_NUMPAD0; 3515 } else { 3516 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED; 3517 } 3518 } else 3519 // the caller expects a Unicode character. 3520 if (converted > 0) { 3521 translation = wChar[0]; 3522 } 3523 if (ops == SAVE) { 3524 transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)), 3525 reinterpret_cast<void*>(static_cast<INT_PTR>(translation))); 3526 if (deadKeyFlag) { 3527 deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)), 3528 reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag))); 3529 } else { 3530 deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey))); 3531 } 3532 } 3533 3534 isDeadKey = deadKeyFlag; 3535 return translation; 3536 } 3537 3538 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt, 3539 UINT flags, BOOL system) 3540 { 3541 // VK_PROCESSKEY is a special value which means 3542 // "Current IME wants to consume this KeyEvent" 3543 // Real key code is saved by IMM32.DLL and can be retrieved by 3544 // calling ImmGetVirtualKey(); 3545 if (wkey == VK_PROCESSKEY) { 3546 return mrDoDefault; 3547 } 3548 MSG msg; 3549 InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN), 3550 wkey, MAKELPARAM(repCnt, flags)); 3551 3552 UINT modifiers = GetJavaModifiers(); 3553 jint keyLocation = GetKeyLocation(wkey, flags); 3554 BOOL isDeadKey = FALSE; 3555 UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey); 3556 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey); 3557 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers); 3558 3559 3560 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED, 3561 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character, 3562 modifiers, keyLocation, (jlong)wkey, &msg); 3563 3564 // bugid 4724007: Windows does not create a WM_CHAR for the Del key 3565 // for some reason, so we need to create the KEY_TYPED event on the 3566 // WM_KEYDOWN. Use null msg so the character doesn't get sent back 3567 // to the native window for processing (this event is synthesized 3568 // for Java - we don't want Windows trying to process it). 3569 if (jkey == java_awt_event_KeyEvent_VK_DELETE) { 3570 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED, 3571 ::JVM_CurrentTimeMillis(NULL, 0), 3572 java_awt_event_KeyEvent_VK_UNDEFINED, 3573 character, modifiers, 3574 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0); 3575 } 3576 3577 return mrConsume; 3578 } 3579 3580 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt, 3581 UINT flags, BOOL system) 3582 { 3583 3584 // VK_PROCESSKEY is a special value which means 3585 // "Current IME wants to consume this KeyEvent" 3586 // Real key code is saved by IMM32.DLL and can be retrieved by 3587 // calling ImmGetVirtualKey(); 3588 if (wkey == VK_PROCESSKEY) { 3589 return mrDoDefault; 3590 } 3591 MSG msg; 3592 InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP), 3593 wkey, MAKELPARAM(repCnt, flags)); 3594 3595 UINT modifiers = GetJavaModifiers(); 3596 jint keyLocation = GetKeyLocation(wkey, flags); 3597 BOOL isDeadKey = FALSE; 3598 UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey); 3599 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey); 3600 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers); 3601 3602 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED, 3603 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character, 3604 modifiers, keyLocation, (jlong)wkey, &msg); 3605 return mrConsume; 3606 } 3607 3608 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout) 3609 { 3610 // Normally we would be able to use charset and TranslateCharSetInfo 3611 // to get a code page that should be associated with this keyboard 3612 // layout change. However, there seems to be an NT 4.0 bug associated 3613 // with the WM_INPUTLANGCHANGE message, which makes the charset parameter 3614 // unreliable, especially on Asian systems. Our workaround uses the 3615 // keyboard layout handle instead. 3616 m_hkl = hKeyboardLayout; 3617 m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID 3618 m_CodePage = LangToCodePage(m_idLang); 3619 BuildDynamicKeyMapTable(); // compute new mappings for VK_OEM 3620 BuildPrimaryDynamicTable(); 3621 return mrConsume; // do not propagate to children 3622 } 3623 3624 // Convert Language ID to CodePage 3625 UINT AwtComponent::LangToCodePage(LANGID idLang) 3626 { 3627 TCHAR strCodePage[MAX_ACP_STR_LEN]; 3628 // use the LANGID to create a LCID 3629 LCID idLocale = MAKELCID(idLang, SORT_DEFAULT); 3630 // get the ANSI code page associated with this locale 3631 if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 ) 3632 return _ttoi(strCodePage); 3633 else 3634 return GetACP(); 3635 } 3636 3637 3638 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system) 3639 { 3640 // We will simply create Java events here. 3641 WCHAR unicodeChar = character; 3642 MSG msg; 3643 InitMessage(&msg, WM_IME_CHAR, character, 3644 MAKELPARAM(repCnt, flags)); 3645 3646 jint modifiers = GetJavaModifiers(); 3647 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED, 3648 ::JVM_CurrentTimeMillis(NULL, 0), 3649 java_awt_event_KeyEvent_VK_UNDEFINED, 3650 unicodeChar, modifiers, 3651 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0, 3652 &msg); 3653 return mrConsume; 3654 } 3655 3656 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags, 3657 BOOL system) 3658 { 3659 // Will only get WmChar messages with DBCS if we create them for 3660 // an Edit class in the WmForwardChar method. These synthesized 3661 // DBCS chars are ok to pass on directly to the default window 3662 // procedure. They've already been filtered through the Java key 3663 // event queue. We will never get the trail byte since the edit 3664 // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR, 3665 // PM_REMOVE). I would like to be able to pass this character off 3666 // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to 3667 // like that. 3668 3669 // We will simply create Java events here. 3670 UINT message = system ? WM_SYSCHAR : WM_CHAR; 3671 3672 // The Alt modifier is reported in the 29th bit of the lParam, 3673 // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)). 3674 bool alt_is_down = (flags & (1<<13)) != 0; 3675 3676 // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu 3677 // We should not pass this particular combination to Java. 3678 3679 if (system && alt_is_down) { 3680 if (character == VK_SPACE) { 3681 return mrDoDefault; 3682 } 3683 } 3684 3685 // If this is a WM_CHAR (non-system) message, then the Alt flag 3686 // indicates that the character was typed using an AltGr key 3687 // (which Windows treats as Ctrl+Alt), so in this case we do NOT 3688 // pass the Ctrl and Alt modifiers to Java, but instead we 3689 // replace them with Java's AltGraph modifier. Note: the AltGraph 3690 // modifier does not exist in 1.1.x releases. 3691 jint modifiers = GetJavaModifiers(); 3692 if (!system && alt_is_down) { 3693 // character typed with AltGraph 3694 modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK 3695 | java_awt_event_InputEvent_CTRL_DOWN_MASK); 3696 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK; 3697 } 3698 3699 WCHAR unicodeChar = character; 3700 3701 // Kludge: Combine pending single byte with this char for some Chinese IMEs 3702 if (m_PendingLeadByte != 0) { 3703 character = (m_PendingLeadByte & 0x00ff) | (character << 8); 3704 m_PendingLeadByte = 0; 3705 ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2, 3706 &unicodeChar, 1); 3707 } 3708 3709 if (unicodeChar == VK_RETURN) { 3710 // Enter key generates \r in windows, but \n is required in java 3711 unicodeChar = java_awt_event_KeyEvent_VK_ENTER; 3712 } 3713 MSG msg; 3714 InitMessage(&msg, message, character, 3715 MAKELPARAM(repCnt, flags)); 3716 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED, 3717 ::JVM_CurrentTimeMillis(NULL, 0), 3718 java_awt_event_KeyEvent_VK_UNDEFINED, 3719 unicodeChar, modifiers, 3720 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0, 3721 &msg); 3722 return mrConsume; 3723 } 3724 3725 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam, 3726 BOOL synthetic) 3727 { 3728 // just post WM_CHAR with unicode key value 3729 DefWindowProc(WM_CHAR, (WPARAM)character, lParam); 3730 return mrConsume; 3731 } 3732 3733 MsgRouting AwtComponent::WmPaste() 3734 { 3735 return mrDoDefault; 3736 } 3737 3738 // support IME Composition messages 3739 void AwtComponent::SetCompositionWindow(RECT& r) 3740 { 3741 HWND hwnd = ImmGetHWnd(); 3742 HIMC hIMC = ImmGetContext(hwnd); 3743 if (hIMC == NULL) { 3744 return; 3745 } 3746 COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}}; 3747 ImmSetCompositionWindow(hIMC, &cf); 3748 ImmReleaseContext(hwnd, hIMC); 3749 } 3750 3751 void AwtComponent::OpenCandidateWindow(int x, int y) 3752 { 3753 UINT bits = 1; 3754 POINT p = {0, 0}; // upper left corner of the client area 3755 HWND hWnd = GetHWnd(); 3756 HWND hTop = GetTopLevelParentForWindow(hWnd); 3757 ::ClientToScreen(hTop, &p); 3758 3759 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) { 3760 if ( m_bitsCandType & bits ) 3761 SetCandidateWindow(iCandType, x - p.x, y - p.y); 3762 } 3763 if (m_bitsCandType != 0) { 3764 // REMIND: is there any chance GetProxyFocusOwner() returns NULL here? 3765 ::DefWindowProc(ImmGetHWnd(), 3766 WM_IME_NOTIFY, IMN_OPENCANDIDATE, m_bitsCandType); 3767 } 3768 } 3769 3770 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y) 3771 { 3772 HWND hwnd = ImmGetHWnd(); 3773 HIMC hIMC = ImmGetContext(hwnd); 3774 CANDIDATEFORM cf; 3775 cf.dwIndex = iCandType; 3776 cf.dwStyle = CFS_CANDIDATEPOS; 3777 cf.ptCurrentPos.x = x; 3778 cf.ptCurrentPos.y = y; 3779 3780 ImmSetCandidateWindow(hIMC, &cf); 3781 ImmReleaseContext(hwnd, hIMC); 3782 } 3783 3784 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam) 3785 { 3786 // If the Windows input context is disabled, do not let Windows 3787 // display any UIs. 3788 HWND hwnd = ImmGetHWnd(); 3789 HIMC hIMC = ImmGetContext(hwnd); 3790 if (hIMC == NULL) { 3791 *lplParam = 0; 3792 return mrDoDefault; 3793 } 3794 ImmReleaseContext(hwnd, hIMC); 3795 3796 if (fSet) { 3797 LPARAM lParam = *lplParam; 3798 if (!m_useNativeCompWindow) { 3799 // stop to draw native composing window. 3800 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW; 3801 } 3802 } 3803 return mrDoDefault; 3804 } 3805 3806 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType) 3807 { 3808 if (!m_useNativeCompWindow && subMsg == IMN_OPENCANDIDATE) { 3809 m_bitsCandType = bitsCandType; 3810 InquireCandidatePosition(); 3811 return mrConsume; 3812 } 3813 return mrDoDefault; 3814 } 3815 3816 MsgRouting AwtComponent::WmImeStartComposition() 3817 { 3818 if (m_useNativeCompWindow) { 3819 RECT rc; 3820 ::GetClientRect(GetHWnd(), &rc); 3821 SetCompositionWindow(rc); 3822 return mrDoDefault; 3823 } else 3824 return mrConsume; 3825 } 3826 3827 MsgRouting AwtComponent::WmImeEndComposition() 3828 { 3829 if (m_useNativeCompWindow) return mrDoDefault; 3830 3831 SendInputMethodEvent( 3832 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED, 3833 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 ); 3834 return mrConsume; 3835 } 3836 3837 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags) 3838 { 3839 if (m_useNativeCompWindow) return mrDoDefault; 3840 3841 int* bndClauseW = NULL; 3842 jstring* readingClauseW = NULL; 3843 int* bndAttrW = NULL; 3844 BYTE* valAttrW = NULL; 3845 int cClauseW = 0; 3846 AwtInputTextInfor* textInfor = NULL; 3847 3848 try { 3849 HWND hwnd = ImmGetHWnd(); 3850 HIMC hIMC = ImmGetContext(hwnd); 3851 DASSERT(hIMC!=0); 3852 3853 textInfor = new AwtInputTextInfor; 3854 textInfor->GetContextData(hIMC, flags); 3855 ImmReleaseContext(hwnd, hIMC); 3856 3857 jstring jtextString = textInfor->GetText(); 3858 /* The conditions to send the input method event to AWT EDT are: 3859 1. Whenever there is a composition message sent regarding whether 3860 the composition text is NULL or not. See details at bug 6222692. 3861 2. When there is a committed message sent, in which case, we have to 3862 check whether the committed string is NULL or not. If the committed string 3863 is NULL, there is no need to send any input method event. 3864 (Minor note: 'jtextString' returned is the merged string in the case of 3865 partial commit.) 3866 */ 3867 if ((flags & GCS_RESULTSTR && jtextString != NULL) || 3868 (flags & GCS_COMPSTR)) { 3869 int cursorPosW = textInfor->GetCursorPosition(); 3870 // In order not to delete the readingClauseW in the catch clause, 3871 // calling GetAttributeInfor before GetClauseInfor. 3872 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW); 3873 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW); 3874 3875 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends 3876 the event to AWT EDT. 3877 3878 The last two paremeters are set to equal since we don't have recommendations for 3879 the visible position within the current composed text. See details at 3880 java.awt.event.InputMethodEvent. 3881 */ 3882 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED, 3883 jtextString, 3884 cClauseW, bndClauseW, readingClauseW, 3885 cAttrW, bndAttrW, valAttrW, 3886 textInfor->GetCommittedTextLength(), 3887 cursorPosW, cursorPosW); 3888 } 3889 } catch (...) { 3890 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release 3891 // the pointer here. 3892 delete [] bndClauseW; 3893 delete [] readingClauseW; 3894 delete [] bndAttrW; 3895 delete [] valAttrW; 3896 throw; 3897 } 3898 3899 /* Free the storage allocated. Since jtextString won't be passed from threads 3900 * to threads, we just use the local ref and it will be deleted within the destructor 3901 * of AwtInputTextInfor object. 3902 */ 3903 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 3904 if (cClauseW && readingClauseW) { 3905 for (int i = 0; i < cClauseW; i ++) { 3906 if (readingClauseW[i]) { 3907 env->DeleteLocalRef(readingClauseW[i]); 3908 } 3909 } 3910 } 3911 delete [] bndClauseW; 3912 delete [] readingClauseW; 3913 delete [] bndAttrW; 3914 delete [] valAttrW; 3915 delete textInfor; 3916 3917 return mrConsume; 3918 } 3919 3920 // 3921 // generate and post InputMethodEvent 3922 // 3923 void AwtComponent::SendInputMethodEvent(jint id, jstring text, 3924 int cClause, int* rgClauseBoundary, jstring* rgClauseReading, 3925 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue, 3926 int commitedTextLength, int caretPos, int visiblePos) 3927 { 3928 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 3929 3930 // assumption for array type casting 3931 DASSERT(sizeof(int)==sizeof(jint)); 3932 DASSERT(sizeof(BYTE)==sizeof(jbyte)); 3933 3934 // caluse information 3935 jintArray clauseBoundary = NULL; 3936 jobjectArray clauseReading = NULL; 3937 if (cClause && rgClauseBoundary && rgClauseReading) { 3938 // convert clause boundary offset array to java array 3939 clauseBoundary = env->NewIntArray(cClause+1); 3940 DASSERT(clauseBoundary); 3941 CHECK_NULL(clauseBoundary); 3942 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary); 3943 DASSERT(!safe_ExceptionOccurred(env)); 3944 3945 // convert clause reading string array to java array 3946 jclass stringCls = JNU_ClassString(env); 3947 DASSERT(stringCls); 3948 CHECK_NULL(stringCls); 3949 clauseReading = env->NewObjectArray(cClause, stringCls, NULL); 3950 DASSERT(clauseReading); 3951 CHECK_NULL(clauseReading); 3952 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]); 3953 DASSERT(!safe_ExceptionOccurred(env)); 3954 } 3955 3956 3957 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H 3958 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT); 3959 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED); 3960 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED); 3961 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED); 3962 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR); 3963 3964 // attribute information 3965 jintArray attrBoundary = NULL; 3966 jbyteArray attrValue = NULL; 3967 if (cAttrBlock && rgAttrBoundary && rgAttrValue) { 3968 // convert attribute boundary offset array to java array 3969 attrBoundary = env->NewIntArray(cAttrBlock+1); 3970 DASSERT(attrBoundary); 3971 CHECK_NULL(attrBoundary); 3972 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary); 3973 DASSERT(!safe_ExceptionOccurred(env)); 3974 3975 // convert attribute value byte array to java array 3976 attrValue = env->NewByteArray(cAttrBlock); 3977 DASSERT(attrValue); 3978 CHECK_NULL(attrValue); 3979 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue); 3980 DASSERT(!safe_ExceptionOccurred(env)); 3981 } 3982 3983 3984 // get global reference of WInputMethod class (run only once) 3985 static jclass wInputMethodCls = NULL; 3986 if (wInputMethodCls == NULL) { 3987 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod"); 3988 DASSERT(wInputMethodClsLocal); 3989 CHECK_NULL(wInputMethodClsLocal); 3990 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal); 3991 env->DeleteLocalRef(wInputMethodClsLocal); 3992 } 3993 3994 // get method ID of sendInputMethodEvent() (run only once) 3995 static jmethodID sendIMEventMid = 0; 3996 if (sendIMEventMid == 0) { 3997 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent", 3998 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V"); 3999 DASSERT(sendIMEventMid); 4000 CHECK_NULL(sendIMEventMid); 4001 } 4002 4003 // call m_InputMethod.sendInputMethod() 4004 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0), 4005 text, clauseBoundary, clauseReading, attrBoundary, 4006 attrValue, commitedTextLength, caretPos, visiblePos); 4007 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe(); 4008 DASSERT(!safe_ExceptionOccurred(env)); 4009 4010 } 4011 4012 4013 4014 // 4015 // Inquires candidate position according to the composed text 4016 // 4017 void AwtComponent::InquireCandidatePosition() 4018 { 4019 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4020 4021 // get global reference of WInputMethod class (run only once) 4022 static jclass wInputMethodCls = NULL; 4023 if (wInputMethodCls == NULL) { 4024 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod"); 4025 DASSERT(wInputMethodClsLocal); 4026 CHECK_NULL(wInputMethodClsLocal); 4027 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal); 4028 env->DeleteLocalRef(wInputMethodClsLocal); 4029 } 4030 4031 // get method ID of sendInputMethodEvent() (run only once) 4032 static jmethodID inqCandPosMid = 0; 4033 if (inqCandPosMid == 0) { 4034 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V"); 4035 DASSERT(!safe_ExceptionOccurred(env)); 4036 DASSERT(inqCandPosMid); 4037 CHECK_NULL(inqCandPosMid); 4038 } 4039 4040 // call m_InputMethod.sendInputMethod() 4041 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid); 4042 DASSERT(!safe_ExceptionOccurred(env)); 4043 } 4044 4045 HWND AwtComponent::ImmGetHWnd() 4046 { 4047 HWND proxy = GetProxyFocusOwner(); 4048 return (proxy != NULL) ? proxy : GetHWnd(); 4049 } 4050 4051 HIMC AwtComponent::ImmAssociateContext(HIMC himc) 4052 { 4053 return ::ImmAssociateContext(ImmGetHWnd(), himc); 4054 } 4055 4056 HWND AwtComponent::GetProxyFocusOwner() 4057 { 4058 AwtWindow *window = GetContainer(); 4059 if (window != 0) { 4060 AwtFrame *owner = window->GetOwningFrameOrDialog(); 4061 if (owner != 0) { 4062 return owner->GetProxyFocusOwner(); 4063 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window 4064 return ((AwtFrame*)window)->GetProxyFocusOwner(); 4065 } 4066 } 4067 return (HWND)NULL; 4068 } 4069 4070 /* Call DefWindowProc for the focus proxy, if any */ 4071 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam, 4072 LPARAM lParam, LRESULT &retVal, MsgRouting &mr) 4073 { 4074 if (mr != mrConsume) { 4075 HWND proxy = GetProxyFocusOwner(); 4076 if (proxy != NULL && ::IsWindowEnabled(proxy)) { 4077 retVal = ComCtl32Util::GetInstance().DefWindowProc(NULL, proxy, message, wParam, lParam); 4078 mr = mrConsume; 4079 } 4080 } 4081 } 4082 4083 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode) 4084 { 4085 /* Menu/Accelerator */ 4086 if (hWndChild == 0) { 4087 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id); 4088 if (obj == NULL) { 4089 return mrConsume; 4090 } 4091 DASSERT(((AwtMenuItem*)obj)->GetID() == id); 4092 obj->DoCommand(); 4093 return mrConsume; 4094 } 4095 /* Child id notification */ 4096 else { 4097 AwtComponent* child = AwtComponent::GetComponent(hWndChild); 4098 if (child) { 4099 child->WmNotify(notifyCode); 4100 } 4101 } 4102 return mrDoDefault; 4103 } 4104 4105 MsgRouting AwtComponent::WmNotify(UINT notifyCode) 4106 { 4107 return mrDoDefault; 4108 } 4109 4110 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId, 4111 COMPAREITEMSTRUCT &compareInfo, 4112 LRESULT &result) 4113 { 4114 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem); 4115 if (child == this) { 4116 /* DoCallback("handleItemDelete", */ 4117 } 4118 else if (child) { 4119 return child->WmCompareItem(ctrlId, compareInfo, result); 4120 } 4121 return mrConsume; 4122 } 4123 4124 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId, 4125 DELETEITEMSTRUCT &deleteInfo) 4126 { 4127 /* 4128 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList 4129 * window, a WM_DELETEITEM message is sent to its parent with a window 4130 * handle of one of the list's child windows. The property lookup 4131 * succeeds, but the HWNDs don't match. 4132 */ 4133 if (deleteInfo.hwndItem == NULL) { 4134 return mrConsume; 4135 } 4136 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem); 4137 4138 if (child && child->GetHWnd() != deleteInfo.hwndItem) { 4139 return mrConsume; 4140 } 4141 4142 if (child == this) { 4143 /*DoCallback("handleItemDelete", */ 4144 } 4145 else if (child) { 4146 return child->WmDeleteItem(ctrlId, deleteInfo); 4147 } 4148 return mrConsume; 4149 } 4150 4151 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo) 4152 { 4153 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4154 4155 if (drawInfo.CtlType == ODT_MENU) { 4156 if (drawInfo.itemData != 0) { 4157 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData); 4158 menu->DrawItem(drawInfo); 4159 } 4160 } else { 4161 return OwnerDrawItem(ctrlId, drawInfo); 4162 } 4163 return mrConsume; 4164 } 4165 4166 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId, 4167 MEASUREITEMSTRUCT &measureInfo) 4168 { 4169 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4170 4171 if (measureInfo.CtlType == ODT_MENU) { 4172 if (measureInfo.itemData != 0) { 4173 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData); 4174 HDC hDC = ::GetDC(GetHWnd()); 4175 /* menu->MeasureItem(env, hDC, measureInfo); */ 4176 menu->MeasureItem(hDC, measureInfo); 4177 ::ReleaseDC(GetHWnd(), hDC); 4178 } 4179 } else { 4180 return OwnerMeasureItem(ctrlId, measureInfo); 4181 } 4182 return mrConsume; 4183 } 4184 4185 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId, 4186 DRAWITEMSTRUCT &drawInfo) 4187 { 4188 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem); 4189 if (child == this) { 4190 /* DoCallback("handleItemDelete", */ 4191 } else if (child != NULL) { 4192 return child->WmDrawItem(ctrlId, drawInfo); 4193 } 4194 return mrConsume; 4195 } 4196 4197 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId, 4198 MEASUREITEMSTRUCT &measureInfo) 4199 { 4200 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID); 4201 AwtComponent* child = AwtComponent::GetComponent(hChild); 4202 /* 4203 * If the parent cannot find the child's instance from its handle, 4204 * maybe the child is in its creation. So the child must be searched 4205 * from the list linked before the child's creation. 4206 */ 4207 if (child == NULL) { 4208 child = SearchChild((UINT)ctrlId); 4209 } 4210 4211 if (child == this) { 4212 /* DoCallback("handleItemDelete", */ 4213 } 4214 else if (child) { 4215 return child->WmMeasureItem(ctrlId, measureInfo); 4216 } 4217 return mrConsume; 4218 } 4219 4220 /* for WmDrawItem method of Label, Button and Checkbox */ 4221 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text, 4222 int x, int y) 4223 { 4224 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT); 4225 DASSERT(nOldBkMode != 0); 4226 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage()); 4227 VERIFY(::SetBkMode(hDC,nOldBkMode)); 4228 } 4229 4230 /* 4231 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the 4232 * component is disabled. Used only for label, checkbox and button in 4233 * OWNER_DRAW. It draws the text in emboss. 4234 */ 4235 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text, 4236 int x, int y) 4237 { 4238 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT)); 4239 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1); 4240 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW)); 4241 AwtComponent::DrawWindowText(hDC, font, text, x, y); 4242 } 4243 4244 /* for WmMeasureItem method of List and Choice */ 4245 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index) 4246 { 4247 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl", 4248 "(I)Ljava/lang/String;", 4249 index).l; 4250 DASSERT(!safe_ExceptionOccurred(env)); 4251 return str; 4252 } 4253 4254 /* for WmMeasureItem method of List and Choice */ 4255 void AwtComponent::MeasureListItem(JNIEnv *env, 4256 MEASUREITEMSTRUCT &measureInfo) 4257 { 4258 if (env->EnsureLocalCapacity(1) < 0) { 4259 return; 4260 } 4261 jobject dimension = PreferredItemSize(env); 4262 DASSERT(dimension); 4263 measureInfo.itemWidth = 4264 env->GetIntField(dimension, AwtDimension::widthID); 4265 measureInfo.itemHeight = 4266 env->GetIntField(dimension, AwtDimension::heightID); 4267 env->DeleteLocalRef(dimension); 4268 } 4269 4270 /* for WmDrawItem method of List and Choice */ 4271 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo) 4272 { 4273 if (env->EnsureLocalCapacity(3) < 0) { 4274 return; 4275 } 4276 jobject peer = GetPeer(env); 4277 jobject target = env->GetObjectField(peer, AwtObject::targetID); 4278 4279 HDC hDC = drawInfo.hDC; 4280 RECT rect = drawInfo.rcItem; 4281 4282 BOOL bEnabled = isEnabled(); 4283 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable(); 4284 DWORD crBack, crText; 4285 if (drawInfo.itemState & ODS_SELECTED){ 4286 /* Set background and text colors for selected item */ 4287 crBack = ::GetSysColor (COLOR_HIGHLIGHT); 4288 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT); 4289 } else { 4290 /* Set background and text colors for unselected item */ 4291 crBack = GetBackgroundColor(); 4292 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT); 4293 } 4294 if (unfocusableChoice) { 4295 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box. 4296 crBack = GetBackgroundColor(); 4297 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT); 4298 } 4299 4300 /* Fill item rectangle with background color */ 4301 HBRUSH hbrBack = ::CreateSolidBrush (crBack); 4302 DASSERT(hbrBack); 4303 /* 6190728. Shouldn't draw any kind of rectangle around selection field 4304 * (edit control) of an owner-drawn combo box while unfocusable 4305 */ 4306 if (!unfocusableChoice){ 4307 VERIFY(::FillRect (hDC, &rect, hbrBack)); 4308 } 4309 VERIFY(::DeleteObject (hbrBack)); 4310 4311 /* Set current background and text colors */ 4312 ::SetBkColor (hDC, crBack); 4313 ::SetTextColor (hDC, crText); 4314 4315 /*draw string (with left margin of 1 point) */ 4316 if ((int) (drawInfo.itemID) >= 0) { 4317 jobject font = GET_FONT(target, peer); 4318 jstring text = GetItemString(env, target, drawInfo.itemID); 4319 if (env->ExceptionCheck()) { 4320 env->DeleteLocalRef(font); 4321 env->DeleteLocalRef(target); 4322 return; 4323 } 4324 SIZE size = AwtFont::getMFStringSize(hDC, font, text); 4325 AwtFont::drawMFString(hDC, font, text, 4326 (GetRTL()) ? rect.right - size.cx - 1 4327 : rect.left + 1, 4328 (rect.top + rect.bottom - size.cy) / 2, 4329 GetCodePage()); 4330 env->DeleteLocalRef(font); 4331 env->DeleteLocalRef(text); 4332 } 4333 if ((drawInfo.itemState & ODS_FOCUS) && 4334 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) { 4335 if (!unfocusableChoice){ 4336 if(::DrawFocusRect(hDC, &rect) == 0) 4337 VERIFY(::GetLastError() == 0); 4338 } 4339 } 4340 env->DeleteLocalRef(target); 4341 } 4342 4343 /* for MeasureListItem method and WmDrawItem method of Checkbox */ 4344 jint AwtComponent::GetFontHeight(JNIEnv *env) 4345 { 4346 if (env->EnsureLocalCapacity(4) < 0) { 4347 return NULL; 4348 } 4349 jobject self = GetPeer(env); 4350 jobject target = env->GetObjectField(self, AwtObject::targetID); 4351 4352 jobject font = GET_FONT(target, self); 4353 jobject toolkit = env->CallObjectMethod(target, 4354 AwtComponent::getToolkitMID); 4355 4356 DASSERT(!safe_ExceptionOccurred(env)); 4357 4358 jobject fontMetrics = 4359 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font); 4360 4361 DASSERT(!safe_ExceptionOccurred(env)); 4362 4363 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID); 4364 DASSERT(!safe_ExceptionOccurred(env)); 4365 4366 env->DeleteLocalRef(target); 4367 env->DeleteLocalRef(font); 4368 env->DeleteLocalRef(toolkit); 4369 env->DeleteLocalRef(fontMetrics); 4370 4371 return height; 4372 } 4373 4374 // If you override WmPrint, make sure to save a copy of the DC on the GDI 4375 // stack to be restored in WmPrintClient. Windows mangles the DC in 4376 // ::DefWindowProc. 4377 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags) 4378 { 4379 /* 4380 * DefWindowProc for WM_PRINT changes DC parameters, so we have 4381 * to restore it ourselves. Otherwise it will cause problems 4382 * when several components are printed to the same DC. 4383 */ 4384 int nOriginalDC = ::SaveDC(hDC); 4385 DASSERT(nOriginalDC != 0); 4386 4387 if (flags & PRF_NONCLIENT) { 4388 4389 VERIFY(::SaveDC(hDC)); 4390 4391 DefWindowProc(WM_PRINT, (WPARAM)hDC, 4392 (flags & (PRF_NONCLIENT 4393 | PRF_CHECKVISIBLE | PRF_ERASEBKGND))); 4394 4395 VERIFY(::RestoreDC(hDC, -1)); 4396 4397 // Special case for components with a sunken border. Windows does not 4398 // print the border correctly on PCL printers, so we have to do it ourselves. 4399 if (GetStyleEx() & WS_EX_CLIENTEDGE) { 4400 RECT r; 4401 VERIFY(::GetWindowRect(GetHWnd(), &r)); 4402 VERIFY(::OffsetRect(&r, -r.left, -r.top)); 4403 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT)); 4404 } 4405 } 4406 4407 if (flags & PRF_CLIENT) { 4408 4409 /* 4410 * Special case for components with a sunken border. 4411 * Windows prints a client area without offset to a border width. 4412 * We will first print the non-client area with the original offset, 4413 * then the client area with a corrected offset. 4414 */ 4415 if (GetStyleEx() & WS_EX_CLIENTEDGE) { 4416 4417 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE); 4418 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE); 4419 4420 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL)); 4421 4422 // Save a copy of the DC for WmPrintClient 4423 VERIFY(::SaveDC(hDC)); 4424 4425 DefWindowProc(WM_PRINT, (WPARAM) hDC, 4426 (flags & (PRF_CLIENT 4427 | PRF_CHECKVISIBLE | PRF_ERASEBKGND))); 4428 4429 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL)); 4430 4431 } else { 4432 4433 // Save a copy of the DC for WmPrintClient 4434 VERIFY(::SaveDC(hDC)); 4435 DefWindowProc(WM_PRINT, (WPARAM) hDC, 4436 (flags & (PRF_CLIENT 4437 | PRF_CHECKVISIBLE | PRF_ERASEBKGND))); 4438 } 4439 } 4440 4441 if (flags & (PRF_CHILDREN | PRF_OWNED)) { 4442 DefWindowProc(WM_PRINT, (WPARAM) hDC, 4443 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT)); 4444 } 4445 4446 VERIFY(::RestoreDC(hDC, nOriginalDC)); 4447 4448 return mrConsume; 4449 } 4450 4451 // If you override WmPrintClient, make sure to obtain a valid copy of 4452 // the DC from the GDI stack. The copy of the DC should have been placed 4453 // there by WmPrint. Windows mangles the DC in ::DefWindowProc. 4454 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM) 4455 { 4456 // obtain valid DC from GDI stack 4457 ::RestoreDC(hDC, -1); 4458 4459 return mrDoDefault; 4460 } 4461 4462 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects, 4463 LPNCCALCSIZE_PARAMS lpncsp, 4464 LRESULT &retVal) 4465 { 4466 return mrDoDefault; 4467 } 4468 4469 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn) 4470 { 4471 return mrDoDefault; 4472 } 4473 4474 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal) 4475 { 4476 return mrDoDefault; 4477 } 4478 4479 /** 4480 * WmQueryNewPalette is called whenever our component is coming to 4481 * the foreground; this gives us an opportunity to install our 4482 * custom palette. If this install actually changes entries in 4483 * the system palette, then we get a further call to WmPaletteChanged 4484 * (but note that we only need to realize our palette once). 4485 */ 4486 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal) 4487 { 4488 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4489 m_QueryNewPaletteCalled = TRUE; 4490 HDC hDC = ::GetDC(GetHWnd()); 4491 DASSERT(hDC); 4492 AwtWin32GraphicsDevice::SelectPalette(hDC, screen); 4493 AwtWin32GraphicsDevice::RealizePalette(hDC, screen); 4494 ::ReleaseDC(GetHWnd(), hDC); 4495 // We must realize the palettes of all of our DC's 4496 // There is sometimes a problem where the realization of 4497 // our temporary hDC here does not actually do what 4498 // we want. Not clear why, but presumably fallout from 4499 // our use of several simultaneous hDC's. 4500 activeDCList.RealizePalettes(screen); 4501 // Do not invalidate here; if the palette 4502 // has not changed we will get an extra repaint 4503 retVal = TRUE; 4504 4505 return mrDoDefault; 4506 } 4507 4508 /** 4509 * We should not need to track this event since we handle our 4510 * palette management effectively in the WmQueryNewPalette and 4511 * WmPaletteChanged methods. However, there seems to be a bug 4512 * on some win32 systems (e.g., NT4) whereby the palette 4513 * immediately after a displayChange is not yet updated to its 4514 * final post-display-change values (hence we adjust our palette 4515 * using the wrong system palette entries), then the palette is 4516 * updated, but a WM_PALETTECHANGED message is never sent. 4517 * By tracking the ISCHANGING message as well (and by tracking 4518 * displayChange events in the AwtToolkit object), we can account 4519 * for this error by forcing our WmPaletteChanged method to be 4520 * called and thereby realizing our logical palette and updating 4521 * our dynamic colorModel object. 4522 */ 4523 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg) 4524 { 4525 if (AwtToolkit::GetInstance().HasDisplayChanged()) { 4526 WmPaletteChanged(hwndPalChg); 4527 AwtToolkit::GetInstance().ResetDisplayChanged(); 4528 } 4529 return mrDoDefault; 4530 } 4531 4532 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg) 4533 { 4534 // We need to re-realize our palette here (unless we're the one 4535 // that was realizing it in the first place). That will let us match the 4536 // remaining colors in the system palette as best we can. We always 4537 // invalidate because the palette will have changed when we receive this 4538 // message. 4539 4540 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4541 if (hwndPalChg != GetHWnd()) { 4542 HDC hDC = ::GetDC(GetHWnd()); 4543 DASSERT(hDC); 4544 AwtWin32GraphicsDevice::SelectPalette(hDC, screen); 4545 AwtWin32GraphicsDevice::RealizePalette(hDC, screen); 4546 ::ReleaseDC(GetHWnd(), hDC); 4547 // We must realize the palettes of all of our DC's 4548 activeDCList.RealizePalettes(screen); 4549 } 4550 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) { 4551 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen); 4552 } 4553 Invalidate(NULL); 4554 return mrDoDefault; 4555 } 4556 4557 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss) 4558 { 4559 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT))); 4560 return mrDoDefault; 4561 } 4562 4563 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection) 4564 { 4565 DASSERT(!IsBadStringPtr(pszSection, 20)); 4566 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection); 4567 return mrDoDefault; 4568 } 4569 4570 HDC AwtComponent::GetDCFromComponent() 4571 { 4572 GetDCReturnStruct *hdcStruct = 4573 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC); 4574 HDC hdc; 4575 if (hdcStruct) { 4576 if (hdcStruct->gdiLimitReached) { 4577 if (jvm != NULL) { 4578 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4579 if (env != NULL && !safe_ExceptionOccurred(env)) { 4580 JNU_ThrowByName(env, "java/awt/AWTError", 4581 "HDC creation failure - " \ 4582 "exceeded maximum GDI resources"); 4583 } 4584 } 4585 } 4586 hdc = hdcStruct->hDC; 4587 delete hdcStruct; 4588 } else { 4589 hdc = NULL; 4590 } 4591 return hdc; 4592 } 4593 4594 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size) 4595 { 4596 RECT eraseR = { 0, 0, size.cx, size.cy }; 4597 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush())); 4598 } 4599 4600 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha) 4601 { 4602 if (!bitmapBits) { 4603 return; 4604 } 4605 4606 DWORD* dest = (DWORD*)bitmapBits; 4607 //XXX: might be optimized to use one loop (cy*cx -> 0) 4608 for (int i = 0; i < size.cy; i++ ) { 4609 for (int j = 0; j < size.cx; j++ ) { 4610 ((BYTE*)(dest++))[3] = alpha; 4611 } 4612 } 4613 } 4614 4615 int AwtComponent::ScaleUpX(int x) { 4616 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4617 Devices::InstanceAccess devices; 4618 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4619 return device == NULL ? x : device->ScaleUpX(x); 4620 } 4621 4622 int AwtComponent::ScaleUpY(int y) { 4623 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4624 Devices::InstanceAccess devices; 4625 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4626 return device == NULL ? y : device->ScaleUpY(y); 4627 } 4628 4629 int AwtComponent::ScaleDownX(int x) { 4630 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4631 Devices::InstanceAccess devices; 4632 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4633 return device == NULL ? x : device->ScaleDownX(x); 4634 } 4635 4636 int AwtComponent::ScaleDownY(int y) { 4637 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4638 Devices::InstanceAccess devices; 4639 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4640 return device == NULL ? y : device->ScaleDownY(y); 4641 } 4642 4643 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) { 4644 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4645 4646 if (!::IsWindowVisible(GetHWnd())) { 4647 return NULL; 4648 } 4649 4650 HDC hdc = GetDCFromComponent(); 4651 if (!hdc) { 4652 return NULL; 4653 } 4654 HDC hMemoryDC = ::CreateCompatibleDC(hdc); 4655 void *bitmapBits = NULL; 4656 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits); 4657 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap); 4658 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc); 4659 4660 FillBackground(hMemoryDC, size); 4661 4662 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL)); 4663 4664 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible 4665 // above. 4666 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT); 4667 4668 // First make sure the system completed any drawing to the bitmap. 4669 ::GdiFlush(); 4670 4671 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap 4672 // leaving it equal to zero. Hence we need to fill it manually. Otherwise 4673 // the pixels will be considered transparent when interpreting the data. 4674 FillAlpha(bitmapBits, size, alpha); 4675 4676 ::SelectObject(hMemoryDC, hOldBitmap); 4677 4678 BITMAPINFO bmi; 4679 memset(&bmi, 0, sizeof(BITMAPINFO)); 4680 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); 4681 bmi.bmiHeader.biWidth = size.cx; 4682 bmi.bmiHeader.biHeight = -size.cy; 4683 bmi.bmiHeader.biPlanes = 1; 4684 bmi.bmiHeader.biBitCount = 32; 4685 bmi.bmiHeader.biCompression = BI_RGB; 4686 4687 jobject localPixelArray = env->NewIntArray(size.cx * size.cy); 4688 jintArray pixelArray = NULL; 4689 if (localPixelArray != NULL) { 4690 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray); 4691 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL; 4692 4693 jboolean isCopy; 4694 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy); 4695 4696 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi, 4697 DIB_RGB_COLORS); 4698 4699 env->ReleaseIntArrayElements(pixelArray, pixels, 0); 4700 } 4701 4702 VERIFY(::DeleteObject(hBitmap)); 4703 VERIFY(::DeleteDC(hMemoryDC)); 4704 4705 return pixelArray; 4706 } 4707 4708 void* AwtComponent::SetNativeFocusOwner(void *self) { 4709 if (self == NULL) { 4710 // It means that the KFM wants to set focus to null 4711 sm_focusOwner = NULL; 4712 return NULL; 4713 } 4714 4715 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4716 4717 AwtComponent *c = NULL; 4718 jobject peer = (jobject)self; 4719 4720 PDATA pData; 4721 JNI_CHECK_NULL_GOTO(peer, "peer", ret); 4722 pData = JNI_GET_PDATA(peer); 4723 if (pData == NULL) { 4724 goto ret; 4725 } 4726 c = (AwtComponent *)pData; 4727 4728 ret: 4729 if (c && ::IsWindow(c->GetHWnd())) { 4730 sm_focusOwner = c->GetHWnd(); 4731 } else { 4732 sm_focusOwner = NULL; 4733 } 4734 env->DeleteGlobalRef(peer); 4735 return NULL; 4736 } 4737 4738 void* AwtComponent::GetNativeFocusedWindow() { 4739 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4740 AwtComponent *comp = 4741 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow()); 4742 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL; 4743 } 4744 4745 void* AwtComponent::GetNativeFocusOwner() { 4746 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4747 AwtComponent *comp = 4748 AwtComponent::GetComponent(AwtComponent::sm_focusOwner); 4749 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL; 4750 } 4751 4752 AwtComponent* AwtComponent::SearchChild(UINT id) { 4753 ChildListItem* child; 4754 for (child = m_childList; child != NULL;child = child->m_next) { 4755 if (child->m_ID == id) 4756 return child->m_Component; 4757 } 4758 /* 4759 * DASSERT(FALSE); 4760 * This should not be happend if all children are recorded 4761 */ 4762 return NULL; /* make compiler happy */ 4763 } 4764 4765 void AwtComponent::RemoveChild(UINT id) { 4766 ChildListItem* child = m_childList; 4767 ChildListItem* lastChild = NULL; 4768 while (child != NULL) { 4769 if (child->m_ID == id) { 4770 if (lastChild == NULL) { 4771 m_childList = child->m_next; 4772 } else { 4773 lastChild->m_next = child->m_next; 4774 } 4775 child->m_next = NULL; 4776 DASSERT(child != NULL); 4777 delete child; 4778 return; 4779 } 4780 lastChild = child; 4781 child = child->m_next; 4782 } 4783 } 4784 4785 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked, 4786 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg) 4787 { 4788 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4789 CriticalSection::Lock l(GetLock()); 4790 if (GetPeer(env) == NULL) { 4791 /* event received during termination. */ 4792 return; 4793 } 4794 4795 static jclass keyEventCls; 4796 if (keyEventCls == NULL) { 4797 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent"); 4798 DASSERT(keyEventClsLocal); 4799 if (keyEventClsLocal == NULL) { 4800 /* exception already thrown */ 4801 return; 4802 } 4803 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal); 4804 env->DeleteLocalRef(keyEventClsLocal); 4805 } 4806 4807 static jmethodID keyEventConst; 4808 if (keyEventConst == NULL) { 4809 keyEventConst = env->GetMethodID(keyEventCls, "<init>", 4810 "(Ljava/awt/Component;IJIICI)V"); 4811 DASSERT(keyEventConst); 4812 CHECK_NULL(keyEventConst); 4813 } 4814 if (env->EnsureLocalCapacity(2) < 0) { 4815 return; 4816 } 4817 jobject target = GetTarget(env); 4818 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target, 4819 id, when, modifiers, raw, cooked, 4820 keyLocation); 4821 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe(); 4822 DASSERT(!safe_ExceptionOccurred(env)); 4823 DASSERT(keyEvent != NULL); 4824 if (keyEvent == NULL) { 4825 env->DeleteLocalRef(target); 4826 return; 4827 } 4828 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode); 4829 if( nativeCode && nativeCode < 256 ) { 4830 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode)); 4831 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey)); 4832 if( nativeCode < 255 ) { 4833 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode)); 4834 }else if( pMsg != NULL ) { 4835 // unknown key with virtual keycode 0xFF. 4836 // Its scancode is not in the table, pickup it from the message. 4837 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF)); 4838 } 4839 } 4840 if (pMsg != NULL) { 4841 AwtAWTEvent::saveMSG(env, pMsg, keyEvent); 4842 } 4843 SendEvent(keyEvent); 4844 4845 env->DeleteLocalRef(keyEvent); 4846 env->DeleteLocalRef(target); 4847 } 4848 4849 void 4850 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when, 4851 jint raw, jint cooked, 4852 jint modifiers, jint keyLocation, 4853 jlong nativeCode, 4854 MSG *msg) 4855 { 4856 /* 4857 * if focus owner is null, but focused window isn't 4858 * we will send key event to focused window 4859 */ 4860 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow()); 4861 4862 if (hwndTarget == GetHWnd()) { 4863 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg); 4864 } else { 4865 AwtComponent *target = NULL; 4866 if (hwndTarget != NULL) { 4867 target = AwtComponent::GetComponent(hwndTarget); 4868 if (target == NULL) { 4869 target = this; 4870 } 4871 } 4872 if (target != NULL) { 4873 target->SendKeyEvent(id, when, raw, cooked, modifiers, 4874 keyLocation, nativeCode, msg); 4875 } 4876 } 4877 } 4878 4879 void AwtComponent::SetDragCapture(UINT flags) 4880 { 4881 // don't want to interfere with other controls 4882 if (::GetCapture() == NULL) { 4883 ::SetCapture(GetHWnd()); 4884 } 4885 } 4886 4887 void AwtComponent::ReleaseDragCapture(UINT flags) 4888 { 4889 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) { 4890 // user has released all buttons, so release the capture 4891 ::ReleaseCapture(); 4892 } 4893 } 4894 4895 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y, 4896 jint modifiers, jint clickCount, 4897 jboolean popupTrigger, jint button, 4898 MSG *pMsg) 4899 { 4900 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4901 CriticalSection::Lock l(GetLock()); 4902 if (GetPeer(env) == NULL) { 4903 /* event received during termination. */ 4904 return; 4905 } 4906 4907 static jclass mouseEventCls; 4908 if (mouseEventCls == NULL) { 4909 jclass mouseEventClsLocal = 4910 env->FindClass("java/awt/event/MouseEvent"); 4911 CHECK_NULL(mouseEventClsLocal); 4912 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal); 4913 env->DeleteLocalRef(mouseEventClsLocal); 4914 } 4915 RECT insets; 4916 GetInsets(&insets); 4917 4918 static jmethodID mouseEventConst; 4919 if (mouseEventConst == NULL) { 4920 mouseEventConst = 4921 env->GetMethodID(mouseEventCls, "<init>", 4922 "(Ljava/awt/Component;IJIIIIIIZI)V"); 4923 DASSERT(mouseEventConst); 4924 CHECK_NULL(mouseEventConst); 4925 } 4926 if (env->EnsureLocalCapacity(2) < 0) { 4927 return; 4928 } 4929 jobject target = GetTarget(env); 4930 DWORD curMousePos = ::GetMessagePos(); 4931 int xAbs = GET_X_LPARAM(curMousePos); 4932 int yAbs = GET_Y_LPARAM(curMousePos); 4933 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst, 4934 target, 4935 id, when, modifiers, 4936 ScaleDownX(x + insets.left), 4937 ScaleDownY(y + insets.top), 4938 ScaleDownX(xAbs), ScaleDownY(yAbs), 4939 clickCount, popupTrigger, button); 4940 4941 if (safe_ExceptionOccurred(env)) { 4942 env->ExceptionDescribe(); 4943 env->ExceptionClear(); 4944 } 4945 4946 DASSERT(mouseEvent != NULL); 4947 CHECK_NULL(mouseEvent); 4948 if (pMsg != 0) { 4949 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent); 4950 } 4951 SendEvent(mouseEvent); 4952 4953 env->DeleteLocalRef(mouseEvent); 4954 env->DeleteLocalRef(target); 4955 } 4956 4957 void 4958 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y, 4959 jint modifiers, jint clickCount, 4960 jboolean popupTrigger, jint scrollType, 4961 jint scrollAmount, jint roundedWheelRotation, 4962 jdouble preciseWheelRotation, MSG *pMsg) 4963 { 4964 /* Code based not so loosely on AwtComponent::SendMouseEvent */ 4965 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4966 CriticalSection::Lock l(GetLock()); 4967 if (GetPeer(env) == NULL) { 4968 /* event received during termination. */ 4969 return; 4970 } 4971 4972 static jclass mouseWheelEventCls; 4973 if (mouseWheelEventCls == NULL) { 4974 jclass mouseWheelEventClsLocal = 4975 env->FindClass("java/awt/event/MouseWheelEvent"); 4976 CHECK_NULL(mouseWheelEventClsLocal); 4977 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal); 4978 env->DeleteLocalRef(mouseWheelEventClsLocal); 4979 } 4980 RECT insets; 4981 GetInsets(&insets); 4982 4983 static jmethodID mouseWheelEventConst; 4984 if (mouseWheelEventConst == NULL) { 4985 mouseWheelEventConst = 4986 env->GetMethodID(mouseWheelEventCls, "<init>", 4987 "(Ljava/awt/Component;IJIIIIIIZIIID)V"); 4988 DASSERT(mouseWheelEventConst); 4989 CHECK_NULL(mouseWheelEventConst); 4990 } 4991 if (env->EnsureLocalCapacity(2) < 0) { 4992 return; 4993 } 4994 jobject target = GetTarget(env); 4995 DWORD curMousePos = ::GetMessagePos(); 4996 int xAbs = GET_X_LPARAM(curMousePos); 4997 int yAbs = GET_Y_LPARAM(curMousePos); 4998 4999 DTRACE_PRINTLN("creating MWE in JNI"); 5000 5001 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls, 5002 mouseWheelEventConst, 5003 target, 5004 id, when, modifiers, 5005 ScaleDownX(x + insets.left), 5006 ScaleDownY(y + insets.top), 5007 ScaleDownX(xAbs), 5008 ScaleDownY(yAbs), 5009 clickCount, popupTrigger, 5010 scrollType, scrollAmount, 5011 roundedWheelRotation, preciseWheelRotation); 5012 5013 DASSERT(mouseWheelEvent != NULL); 5014 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) { 5015 env->ExceptionDescribe(); 5016 env->ExceptionClear(); 5017 env->DeleteLocalRef(target); 5018 return; 5019 } 5020 if (pMsg != NULL) { 5021 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent); 5022 } 5023 SendEvent(mouseWheelEvent); 5024 5025 env->DeleteLocalRef(mouseWheelEvent); 5026 env->DeleteLocalRef(target); 5027 } 5028 5029 void AwtComponent::SendFocusEvent(jint id, HWND opposite) 5030 { 5031 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5032 5033 CriticalSection::Lock l(GetLock()); 5034 if (GetPeer(env) == NULL) { 5035 /* event received during termination. */ 5036 return; 5037 } 5038 5039 static jclass focusEventCls; 5040 if (focusEventCls == NULL) { 5041 jclass focusEventClsLocal 5042 = env->FindClass("java/awt/event/FocusEvent"); 5043 DASSERT(focusEventClsLocal); 5044 CHECK_NULL(focusEventClsLocal); 5045 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal); 5046 env->DeleteLocalRef(focusEventClsLocal); 5047 } 5048 5049 static jmethodID focusEventConst; 5050 if (focusEventConst == NULL) { 5051 focusEventConst = 5052 env->GetMethodID(focusEventCls, "<init>", 5053 "(Ljava/awt/Component;IZLjava/awt/Component;)V"); 5054 DASSERT(focusEventConst); 5055 CHECK_NULL(focusEventConst); 5056 } 5057 5058 static jclass sequencedEventCls; 5059 if (sequencedEventCls == NULL) { 5060 jclass sequencedEventClsLocal = 5061 env->FindClass("java/awt/SequencedEvent"); 5062 DASSERT(sequencedEventClsLocal); 5063 CHECK_NULL(sequencedEventClsLocal); 5064 sequencedEventCls = 5065 (jclass)env->NewGlobalRef(sequencedEventClsLocal); 5066 env->DeleteLocalRef(sequencedEventClsLocal); 5067 } 5068 5069 static jmethodID sequencedEventConst; 5070 if (sequencedEventConst == NULL) { 5071 sequencedEventConst = 5072 env->GetMethodID(sequencedEventCls, "<init>", 5073 "(Ljava/awt/AWTEvent;)V"); 5074 DASSERT(sequencedEventConst); 5075 CHECK_NULL(sequencedEventConst); 5076 } 5077 5078 if (env->EnsureLocalCapacity(3) < 0) { 5079 return; 5080 } 5081 5082 jobject target = GetTarget(env); 5083 jobject jOpposite = NULL; 5084 if (opposite != NULL) { 5085 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite); 5086 if (awtOpposite != NULL) { 5087 jOpposite = awtOpposite->GetTarget(env); 5088 } 5089 } 5090 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst, 5091 target, id, JNI_FALSE, jOpposite); 5092 DASSERT(!safe_ExceptionOccurred(env)); 5093 DASSERT(focusEvent != NULL); 5094 if (jOpposite != NULL) { 5095 env->DeleteLocalRef(jOpposite); jOpposite = NULL; 5096 } 5097 env->DeleteLocalRef(target); target = NULL; 5098 CHECK_NULL(focusEvent); 5099 5100 jobject sequencedEvent = env->NewObject(sequencedEventCls, 5101 sequencedEventConst, 5102 focusEvent); 5103 DASSERT(!safe_ExceptionOccurred(env)); 5104 DASSERT(sequencedEvent != NULL); 5105 env->DeleteLocalRef(focusEvent); focusEvent = NULL; 5106 CHECK_NULL(sequencedEvent); 5107 SendEvent(sequencedEvent); 5108 5109 env->DeleteLocalRef(sequencedEvent); 5110 } 5111 5112 /* 5113 * Forward a filtered event directly to the subclassed window. 5114 * This method is needed so that DefWindowProc is invoked on the 5115 * component's owning thread. 5116 */ 5117 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL) 5118 { 5119 DefWindowProc(msg->message, msg->wParam, msg->lParam); 5120 delete msg; 5121 return mrConsume; 5122 } 5123 5124 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent 5125 on the toolkit thread. This method may pre-filter the messages. */ 5126 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic) 5127 { 5128 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5129 // We should cut off keyboard events to disabled components 5130 // to avoid the components responding visually to keystrokes when disabled. 5131 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity 5132 // but to activate menus, close windows, etc 5133 switch(msg->message) { 5134 case WM_KEYDOWN: 5135 case WM_KEYUP: 5136 case WM_CHAR: 5137 case WM_DEADCHAR: 5138 { 5139 if (!isRecursivelyEnabled()) { 5140 goto quit; 5141 } 5142 break; 5143 } 5144 } 5145 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT, 5146 (WPARAM) synthetic, (LPARAM) msg)) { 5147 return TRUE; 5148 } else { 5149 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full."); 5150 } 5151 quit: 5152 delete msg; 5153 return FALSE; 5154 } 5155 5156 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent) 5157 { 5158 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID); 5159 UINT message; 5160 switch (id) { 5161 case java_awt_event_KeyEvent_KEY_PRESSED: 5162 message = WM_KEYDOWN; 5163 break; 5164 case java_awt_event_KeyEvent_KEY_RELEASED: 5165 message = WM_KEYUP; 5166 break; 5167 case java_awt_event_KeyEvent_KEY_TYPED: 5168 message = WM_CHAR; 5169 break; 5170 default: 5171 return; 5172 } 5173 5174 /* 5175 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate 5176 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys. 5177 */ 5178 if (id == java_awt_event_KeyEvent_KEY_TYPED) { 5179 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR 5180 // (for Edit control) 5181 jchar keyChar = (jchar) 5182 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID); 5183 5184 // Bugid 4724007. If it is a Delete character, don't send the fake 5185 // KEY_TYPED we created back to the native window: Windows doesn't 5186 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a 5187 // character after deleting. 5188 if (keyChar == '\177') { // the Delete character 5189 return; 5190 } 5191 5192 // Disable forwarding WM_CHAR messages to disabled components 5193 if (isRecursivelyEnabled()) { 5194 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR, 5195 MAKEWPARAM(keyChar, TRUE), 0)) { 5196 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full."); 5197 } 5198 } 5199 } else { 5200 jint keyCode = 5201 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID); 5202 UINT key, modifiers; 5203 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers); 5204 MSG* msg = CreateMessage(message, key, 0); 5205 PostHandleEventMessage(msg, TRUE); 5206 } 5207 } 5208 5209 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent) 5210 { 5211 /* DebugBreak(); */ 5212 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID); 5213 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID); 5214 5215 WPARAM wParam = 0; 5216 WORD wLow = 0; 5217 jint wheelAmt = 0; 5218 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID); 5219 UINT message; 5220 switch (id) { 5221 case java_awt_event_MouseEvent_MOUSE_PRESSED: { 5222 switch (button) { 5223 case java_awt_event_MouseEvent_BUTTON1: 5224 message = WM_LBUTTONDOWN; break; 5225 case java_awt_event_MouseEvent_BUTTON3: 5226 message = WM_MBUTTONDOWN; break; 5227 case java_awt_event_MouseEvent_BUTTON2: 5228 message = WM_RBUTTONDOWN; break; 5229 } 5230 break; 5231 } 5232 case java_awt_event_MouseEvent_MOUSE_RELEASED: { 5233 switch (button) { 5234 case java_awt_event_MouseEvent_BUTTON1: 5235 message = WM_LBUTTONUP; break; 5236 case java_awt_event_MouseEvent_BUTTON3: 5237 message = WM_MBUTTONUP; break; 5238 case java_awt_event_MouseEvent_BUTTON2: 5239 message = WM_RBUTTONUP; break; 5240 } 5241 break; 5242 } 5243 case java_awt_event_MouseEvent_MOUSE_MOVED: 5244 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */ 5245 case java_awt_event_MouseEvent_MOUSE_DRAGGED: 5246 message = WM_MOUSEMOVE; 5247 break; 5248 case java_awt_event_MouseEvent_MOUSE_WHEEL: 5249 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) { 5250 wLow |= MK_CONTROL; 5251 } 5252 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) { 5253 wLow |= MK_SHIFT; 5254 } 5255 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) { 5256 wLow |= MK_LBUTTON; 5257 } 5258 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) { 5259 wLow |= MK_RBUTTON; 5260 } 5261 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) { 5262 wLow |= MK_MBUTTON; 5263 } 5264 if (modifiers & X1_BUTTON) { 5265 wLow |= GetButtonMK(X1_BUTTON); 5266 } 5267 if (modifiers & X2_BUTTON) { 5268 wLow |= GetButtonMK(X2_BUTTON); 5269 } 5270 5271 wheelAmt = (jint)JNU_CallMethodByName(env, 5272 NULL, 5273 mouseEvent, 5274 "getWheelRotation", 5275 "()I").i; 5276 DASSERT(!safe_ExceptionOccurred(env)); 5277 JNU_CHECK_EXCEPTION(env); 5278 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt); 5279 5280 // convert Java wheel amount value to Win32 5281 wheelAmt *= -1 * WHEEL_DELTA; 5282 5283 message = WM_MOUSEWHEEL; 5284 wParam = MAKEWPARAM(wLow, wheelAmt); 5285 5286 break; 5287 default: 5288 return; 5289 } 5290 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID); 5291 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID); 5292 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y); 5293 PostHandleEventMessage(msg, TRUE); 5294 } 5295 5296 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;} 5297 5298 void AwtComponent::Invalidate(RECT* r) 5299 { 5300 ::InvalidateRect(GetHWnd(), r, FALSE); 5301 } 5302 5303 void AwtComponent::BeginValidate() 5304 { 5305 DASSERT(m_validationNestCount >= 0 && 5306 m_validationNestCount < 1000); // sanity check 5307 5308 if (m_validationNestCount == 0) { 5309 // begin deferred window positioning if we're not inside 5310 // another Begin/EndValidate pair 5311 DASSERT(m_hdwp == NULL); 5312 m_hdwp = ::BeginDeferWindowPos(32); 5313 } 5314 5315 m_validationNestCount++; 5316 } 5317 5318 void AwtComponent::EndValidate() 5319 { 5320 DASSERT(m_validationNestCount > 0 && 5321 m_validationNestCount < 1000); // sanity check 5322 DASSERT(m_hdwp != NULL); 5323 5324 m_validationNestCount--; 5325 if (m_validationNestCount == 0) { 5326 // if this call to EndValidate is not nested inside another 5327 // Begin/EndValidate pair, end deferred window positioning 5328 ::EndDeferWindowPos(m_hdwp); 5329 m_hdwp = NULL; 5330 } 5331 } 5332 5333 /** 5334 * HWND, AwtComponent and Java Peer interaction 5335 */ 5336 5337 /* 5338 *Link the C++, Java peer, and HWNDs together. 5339 */ 5340 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer) 5341 { 5342 /* 5343 * Bind all three objects together thru this C++ object, two-way to each: 5344 * JavaPeer <-> C++ <-> HWND 5345 * 5346 * C++ -> JavaPeer 5347 */ 5348 if (m_peerObject == NULL) { 5349 // This may have already been set up by CreateHWnd 5350 // And we don't want to create two references so we 5351 // will leave the prior one alone 5352 m_peerObject = env->NewGlobalRef(peer); 5353 } 5354 /* JavaPeer -> HWND */ 5355 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd)); 5356 5357 /* JavaPeer -> C++ */ 5358 JNI_SET_PDATA(peer, this); 5359 5360 /* HWND -> C++ */ 5361 SetComponentInHWND(); 5362 } 5363 5364 /* Cleanup above linking */ 5365 void AwtComponent::UnlinkObjects() 5366 { 5367 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5368 if (m_peerObject) { 5369 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0); 5370 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL)); 5371 JNI_SET_DESTROYED(m_peerObject); 5372 env->DeleteGlobalRef(m_peerObject); 5373 m_peerObject = NULL; 5374 } 5375 } 5376 5377 void AwtComponent::Enable(BOOL bEnable) 5378 { 5379 if (bEnable && IsTopLevel()) { 5380 // we should not enable blocked toplevels 5381 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd())); 5382 } 5383 // Shouldn't trigger native focus change 5384 // (only the proxy may be the native focus owner). 5385 ::EnableWindow(GetHWnd(), bEnable); 5386 5387 CriticalSection::Lock l(GetLock()); 5388 VerifyState(); 5389 } 5390 5391 /* 5392 * associate an AwtDropTarget with this AwtComponent 5393 */ 5394 5395 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) { 5396 m_dropTarget = new AwtDropTarget(env, this); 5397 m_dropTarget->RegisterTarget(TRUE); 5398 return m_dropTarget; 5399 } 5400 5401 /* 5402 * disassociate an AwtDropTarget with this AwtComponent 5403 */ 5404 5405 void AwtComponent::DestroyDropTarget() { 5406 if (m_dropTarget != NULL) { 5407 m_dropTarget->RegisterTarget(FALSE); 5408 m_dropTarget->Release(); 5409 m_dropTarget = NULL; 5410 } 5411 } 5412 5413 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) { 5414 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK; 5415 } 5416 5417 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) { 5418 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE; 5419 } 5420 5421 void AwtComponent::_Show(void *param) 5422 { 5423 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5424 5425 jobject self = (jobject)param; 5426 5427 AwtComponent *p; 5428 5429 PDATA pData; 5430 JNI_CHECK_PEER_GOTO(self, ret); 5431 p = (AwtComponent *)pData; 5432 if (::IsWindow(p->GetHWnd())) 5433 { 5434 p->SendMessage(WM_AWT_COMPONENT_SHOW); 5435 } 5436 ret: 5437 env->DeleteGlobalRef(self); 5438 } 5439 5440 void AwtComponent::_Hide(void *param) 5441 { 5442 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5443 5444 jobject self = (jobject)param; 5445 5446 AwtComponent *p; 5447 5448 PDATA pData; 5449 JNI_CHECK_PEER_GOTO(self, ret); 5450 p = (AwtComponent *)pData; 5451 if (::IsWindow(p->GetHWnd())) 5452 { 5453 p->SendMessage(WM_AWT_COMPONENT_HIDE); 5454 } 5455 ret: 5456 env->DeleteGlobalRef(self); 5457 } 5458 5459 void AwtComponent::_Enable(void *param) 5460 { 5461 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5462 5463 jobject self = (jobject)param; 5464 5465 AwtComponent *p; 5466 5467 PDATA pData; 5468 JNI_CHECK_PEER_GOTO(self, ret); 5469 p = (AwtComponent *)pData; 5470 if (::IsWindow(p->GetHWnd())) 5471 { 5472 p->Enable(TRUE); 5473 } 5474 ret: 5475 env->DeleteGlobalRef(self); 5476 } 5477 5478 void AwtComponent::_Disable(void *param) 5479 { 5480 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5481 5482 jobject self = (jobject)param; 5483 5484 AwtComponent *p; 5485 5486 PDATA pData; 5487 JNI_CHECK_PEER_GOTO(self, ret); 5488 p = (AwtComponent *)pData; 5489 if (::IsWindow(p->GetHWnd())) 5490 { 5491 p->Enable(FALSE); 5492 } 5493 ret: 5494 env->DeleteGlobalRef(self); 5495 } 5496 5497 jobject AwtComponent::_GetLocationOnScreen(void *param) 5498 { 5499 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5500 5501 jobject self = (jobject)param; 5502 5503 jobject result = NULL; 5504 AwtComponent *p; 5505 5506 PDATA pData; 5507 JNI_CHECK_PEER_GOTO(self, ret); 5508 p = (AwtComponent *)pData; 5509 if (::IsWindow(p->GetHWnd())) 5510 { 5511 RECT rect; 5512 VERIFY(::GetWindowRect(p->GetHWnd(),&rect)); 5513 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V", 5514 p->ScaleDownX(rect.left), 5515 p->ScaleDownY(rect.top)); 5516 } 5517 ret: 5518 env->DeleteGlobalRef(self); 5519 5520 if (result != NULL) 5521 { 5522 jobject resultGlobalRef = env->NewGlobalRef(result); 5523 env->DeleteLocalRef(result); 5524 return resultGlobalRef; 5525 } 5526 else 5527 { 5528 return NULL; 5529 } 5530 } 5531 5532 void AwtComponent::_Reshape(void *param) 5533 { 5534 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5535 5536 ReshapeStruct *rs = (ReshapeStruct*)param; 5537 jobject self = rs->component; 5538 jint x = rs->x; 5539 jint y = rs->y; 5540 jint w = rs->w; 5541 jint h = rs->h; 5542 5543 AwtComponent *p; 5544 5545 PDATA pData; 5546 JNI_CHECK_PEER_GOTO(self, ret); 5547 p = (AwtComponent *)pData; 5548 if (::IsWindow(p->GetHWnd())) 5549 { 5550 RECT* r = new RECT; 5551 ::SetRect(r, x, y, x + w, y + h); 5552 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r); 5553 } 5554 ret: 5555 env->DeleteGlobalRef(self); 5556 5557 delete rs; 5558 } 5559 5560 void AwtComponent::_ReshapeNoCheck(void *param) 5561 { 5562 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5563 5564 ReshapeStruct *rs = (ReshapeStruct*)param; 5565 jobject self = rs->component; 5566 jint x = rs->x; 5567 jint y = rs->y; 5568 jint w = rs->w; 5569 jint h = rs->h; 5570 5571 AwtComponent *p; 5572 5573 PDATA pData; 5574 JNI_CHECK_PEER_GOTO(self, ret); 5575 p = (AwtComponent *)pData; 5576 if (::IsWindow(p->GetHWnd())) 5577 { 5578 RECT* r = new RECT; 5579 ::SetRect(r, x, y, x + w, y + h); 5580 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r); 5581 } 5582 ret: 5583 env->DeleteGlobalRef(self); 5584 5585 delete rs; 5586 } 5587 5588 void AwtComponent::_NativeHandleEvent(void *param) 5589 { 5590 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5591 5592 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param; 5593 jobject self = nhes->component; 5594 jobject event = nhes->event; 5595 5596 AwtComponent *p; 5597 5598 PDATA pData; 5599 JNI_CHECK_NULL_GOTO(self, "peer", ret); 5600 pData = JNI_GET_PDATA(self); 5601 if (pData == NULL) { 5602 env->DeleteGlobalRef(self); 5603 if (event != NULL) { 5604 env->DeleteGlobalRef(event); 5605 } 5606 delete nhes; 5607 return; 5608 } 5609 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret); 5610 5611 p = (AwtComponent *)pData; 5612 if (::IsWindow(p->GetHWnd())) 5613 { 5614 if (env->EnsureLocalCapacity(1) < 0) { 5615 env->DeleteGlobalRef(self); 5616 env->DeleteGlobalRef(event); 5617 delete nhes; 5618 return; 5619 } 5620 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID); 5621 int id = (env)->GetIntField(event, AwtAWTEvent::idID); 5622 DASSERT(!safe_ExceptionOccurred(env)); 5623 if (bdata != 0) { 5624 MSG msg; 5625 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg); 5626 (env)->DeleteLocalRef(bdata); 5627 static BOOL keyDownConsumed = FALSE; 5628 static BOOL bCharChanged = FALSE; 5629 static WCHAR modifiedChar; 5630 WCHAR unicodeChar; 5631 5632 /* Remember if a KEY_PRESSED event is consumed, as an old model 5633 * program won't consume a subsequent KEY_TYPED event. 5634 */ 5635 jboolean consumed = 5636 (env)->GetBooleanField(event, AwtAWTEvent::consumedID); 5637 DASSERT(!safe_ExceptionOccurred(env)); 5638 5639 if (consumed) { 5640 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED); 5641 env->DeleteGlobalRef(self); 5642 env->DeleteGlobalRef(event); 5643 delete nhes; 5644 return; 5645 5646 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) { 5647 // Fix for 6637607: reset consuming 5648 keyDownConsumed = FALSE; 5649 } 5650 5651 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support 5652 * the old model. 5653 */ 5654 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) { 5655 keyDownConsumed = FALSE; 5656 env->DeleteGlobalRef(self); 5657 env->DeleteGlobalRef(event); 5658 delete nhes; 5659 return; 5660 } 5661 5662 /* Modify any event parameters, if necessary. */ 5663 if (self && pData && 5664 id >= java_awt_event_KeyEvent_KEY_FIRST && 5665 id <= java_awt_event_KeyEvent_KEY_LAST) { 5666 5667 AwtComponent* p = (AwtComponent*)pData; 5668 5669 jint keyCode = 5670 (env)->GetIntField(event, AwtKeyEvent::keyCodeID); 5671 jchar keyChar = 5672 (env)->GetCharField(event, AwtKeyEvent::keyCharID); 5673 jint modifiers = 5674 (env)->GetIntField(event, AwtInputEvent::modifiersID); 5675 5676 DASSERT(!safe_ExceptionOccurred(env)); 5677 5678 /* Check to see whether the keyCode or modifiers were changed 5679 on the keyPressed event, and tweak the following keyTyped 5680 event (if any) accodingly. */ 5681 switch (id) { 5682 case java_awt_event_KeyEvent_KEY_PRESSED: 5683 { 5684 UINT winKey = (UINT)msg.wParam; 5685 bCharChanged = FALSE; 5686 5687 if (winKey == VK_PROCESSKEY) { 5688 // Leave it up to IME 5689 break; 5690 } 5691 5692 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) { 5693 UINT newWinKey, ignored; 5694 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey); 5695 if (newWinKey != 0) { 5696 winKey = newWinKey; 5697 } 5698 } 5699 5700 BOOL isDeadKey = FALSE; 5701 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey); 5702 bCharChanged = (keyChar != modifiedChar); 5703 } 5704 break; 5705 5706 case java_awt_event_KeyEvent_KEY_RELEASED: 5707 { 5708 keyDownConsumed = FALSE; 5709 bCharChanged = FALSE; 5710 } 5711 break; 5712 5713 case java_awt_event_KeyEvent_KEY_TYPED: 5714 { 5715 if (bCharChanged) 5716 { 5717 unicodeChar = modifiedChar; 5718 } 5719 else 5720 { 5721 unicodeChar = keyChar; 5722 } 5723 bCharChanged = FALSE; 5724 5725 // Disable forwarding KEY_TYPED messages to peers of 5726 // disabled components 5727 if (p->isRecursivelyEnabled()) { 5728 // send the character back to the native window for 5729 // processing. The WM_AWT_FORWARD_CHAR handler will send 5730 // this character to DefWindowProc 5731 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR, 5732 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) { 5733 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full."); 5734 } 5735 } 5736 env->DeleteGlobalRef(self); 5737 env->DeleteGlobalRef(event); 5738 delete nhes; 5739 return; 5740 } 5741 break; 5742 5743 default: 5744 break; 5745 } 5746 } 5747 5748 // ignore all InputMethodEvents 5749 if (self && (pData = JNI_GET_PDATA(self)) && 5750 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST && 5751 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) { 5752 env->DeleteGlobalRef(self); 5753 env->DeleteGlobalRef(event); 5754 delete nhes; 5755 return; 5756 } 5757 5758 // Create copy for local msg 5759 MSG* pCopiedMsg = new MSG; 5760 memmove(pCopiedMsg, &msg, sizeof(MSG)); 5761 // Event handler deletes msg 5762 p->PostHandleEventMessage(pCopiedMsg, FALSE); 5763 5764 env->DeleteGlobalRef(self); 5765 env->DeleteGlobalRef(event); 5766 delete nhes; 5767 return; 5768 } 5769 5770 /* Forward any valid synthesized events. Currently only mouse and 5771 * key events are supported. 5772 */ 5773 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) { 5774 env->DeleteGlobalRef(self); 5775 env->DeleteGlobalRef(event); 5776 delete nhes; 5777 return; 5778 } 5779 5780 AwtComponent* p = (AwtComponent*)pData; 5781 if (id >= java_awt_event_KeyEvent_KEY_FIRST && 5782 id <= java_awt_event_KeyEvent_KEY_LAST) { 5783 p->SynthesizeKeyMessage(env, event); 5784 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST && 5785 id <= java_awt_event_MouseEvent_MOUSE_LAST) { 5786 p->SynthesizeMouseMessage(env, event); 5787 } 5788 } 5789 5790 ret: 5791 if (self != NULL) { 5792 env->DeleteGlobalRef(self); 5793 } 5794 if (event != NULL) { 5795 env->DeleteGlobalRef(event); 5796 } 5797 5798 delete nhes; 5799 } 5800 5801 void AwtComponent::_SetForeground(void *param) 5802 { 5803 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5804 5805 SetColorStruct *scs = (SetColorStruct *)param; 5806 jobject self = scs->component; 5807 jint rgb = scs->rgb; 5808 5809 AwtComponent *c = NULL; 5810 5811 PDATA pData; 5812 JNI_CHECK_PEER_GOTO(self, ret); 5813 c = (AwtComponent *)pData; 5814 if (::IsWindow(c->GetHWnd())) 5815 { 5816 c->SetColor(PALETTERGB((rgb>>16)&0xff, 5817 (rgb>>8)&0xff, 5818 (rgb)&0xff)); 5819 c->VerifyState(); 5820 } 5821 ret: 5822 env->DeleteGlobalRef(self); 5823 5824 delete scs; 5825 } 5826 5827 void AwtComponent::_SetBackground(void *param) 5828 { 5829 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5830 5831 SetColorStruct *scs = (SetColorStruct *)param; 5832 jobject self = scs->component; 5833 jint rgb = scs->rgb; 5834 5835 AwtComponent *c = NULL; 5836 5837 PDATA pData; 5838 JNI_CHECK_PEER_GOTO(self, ret); 5839 c = (AwtComponent *)pData; 5840 if (::IsWindow(c->GetHWnd())) 5841 { 5842 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff, 5843 (rgb>>8)&0xff, 5844 (rgb)&0xff)); 5845 c->VerifyState(); 5846 } 5847 ret: 5848 env->DeleteGlobalRef(self); 5849 5850 delete scs; 5851 } 5852 5853 void AwtComponent::_SetFont(void *param) 5854 { 5855 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5856 5857 SetFontStruct *sfs = (SetFontStruct *)param; 5858 jobject self = sfs->component; 5859 jobject font = sfs->font; 5860 5861 AwtComponent *c = NULL; 5862 5863 PDATA pData; 5864 JNI_CHECK_PEER_GOTO(self, ret); 5865 JNI_CHECK_NULL_GOTO(font, "null font", ret); 5866 c = (AwtComponent *)pData; 5867 if (::IsWindow(c->GetHWnd())) 5868 { 5869 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID); 5870 if (awtFont == NULL) { 5871 /*arguments of AwtFont::Create are changed for multifont component */ 5872 awtFont = AwtFont::Create(env, font); 5873 } 5874 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont); 5875 5876 c->SetFont(awtFont); 5877 } 5878 ret: 5879 env->DeleteGlobalRef(self); 5880 env->DeleteGlobalRef(font); 5881 5882 delete sfs; 5883 } 5884 5885 // Sets or kills focus for a component. 5886 void AwtComponent::_SetFocus(void *param) 5887 { 5888 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5889 5890 SetFocusStruct *sfs = (SetFocusStruct *)param; 5891 jobject self = sfs->component; 5892 jboolean doSetFocus = sfs->doSetFocus; 5893 5894 AwtComponent *c = NULL; 5895 5896 PDATA pData; 5897 JNI_CHECK_NULL_GOTO(self, "peer", ret); 5898 pData = JNI_GET_PDATA(self); 5899 if (pData == NULL) { 5900 // do nothing just return false 5901 goto ret; 5902 } 5903 5904 c = (AwtComponent *)pData; 5905 if (::IsWindow(c->GetHWnd())) { 5906 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0); 5907 } 5908 ret: 5909 env->DeleteGlobalRef(self); 5910 5911 delete sfs; 5912 } 5913 5914 void AwtComponent::_Start(void *param) 5915 { 5916 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5917 5918 jobject self = (jobject)param; 5919 5920 AwtComponent *c = NULL; 5921 5922 PDATA pData; 5923 JNI_CHECK_PEER_GOTO(self, ret); 5924 c = (AwtComponent *)pData; 5925 if (::IsWindow(c->GetHWnd())) 5926 { 5927 jobject target = c->GetTarget(env); 5928 5929 /* Disable window if specified -- windows are enabled by default. */ 5930 jboolean enabled = (jboolean)env->GetBooleanField(target, 5931 AwtComponent::enabledID); 5932 if (!enabled) { 5933 ::EnableWindow(c->GetHWnd(), FALSE); 5934 } 5935 5936 /* The peer is now ready for callbacks, since this is the last 5937 * initialization call 5938 */ 5939 c->EnableCallbacks(TRUE); 5940 5941 // Fix 4745222: we need to invalidate region since we validated it before initialization. 5942 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE); 5943 5944 // Fix 4530093: WM_PAINT after EnableCallbacks 5945 ::UpdateWindow(c->GetHWnd()); 5946 5947 env->DeleteLocalRef(target); 5948 } 5949 ret: 5950 env->DeleteGlobalRef(self); 5951 } 5952 5953 void AwtComponent::_BeginValidate(void *param) 5954 { 5955 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5956 if (AwtToolkit::IsMainThread()) { 5957 jobject self = (jobject)param; 5958 if (self != NULL) { 5959 PDATA pData = JNI_GET_PDATA(self); 5960 if (pData) { 5961 AwtComponent *c = (AwtComponent *)pData; 5962 if (::IsWindow(c->GetHWnd())) { 5963 c->SendMessage(WM_AWT_BEGIN_VALIDATE); 5964 } 5965 } 5966 env->DeleteGlobalRef(self); 5967 } 5968 } else { 5969 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param); 5970 } 5971 } 5972 5973 void AwtComponent::_EndValidate(void *param) 5974 { 5975 if (AwtToolkit::IsMainThread()) { 5976 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5977 jobject self = (jobject)param; 5978 if (self != NULL) { 5979 PDATA pData = JNI_GET_PDATA(self); 5980 if (pData) { 5981 AwtComponent *c = (AwtComponent *)pData; 5982 if (::IsWindow(c->GetHWnd())) { 5983 c->SendMessage(WM_AWT_END_VALIDATE); 5984 } 5985 } 5986 env->DeleteGlobalRef(self); 5987 } 5988 } else { 5989 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param); 5990 } 5991 } 5992 5993 void AwtComponent::_UpdateWindow(void *param) 5994 { 5995 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5996 if (AwtToolkit::IsMainThread()) { 5997 jobject self = (jobject)param; 5998 AwtComponent *c = NULL; 5999 PDATA pData; 6000 JNI_CHECK_PEER_GOTO(self, ret); 6001 c = (AwtComponent *)pData; 6002 if (::IsWindow(c->GetHWnd())) { 6003 ::UpdateWindow(c->GetHWnd()); 6004 } 6005 ret: 6006 env->DeleteGlobalRef(self); 6007 } else { 6008 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param); 6009 } 6010 } 6011 6012 jlong AwtComponent::_AddNativeDropTarget(void *param) 6013 { 6014 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6015 6016 jobject self = (jobject)param; 6017 6018 jlong result = 0; 6019 AwtComponent *c = NULL; 6020 6021 PDATA pData; 6022 JNI_CHECK_PEER_GOTO(self, ret); 6023 c = (AwtComponent *)pData; 6024 if (::IsWindow(c->GetHWnd())) 6025 { 6026 result = (jlong)(c->CreateDropTarget(env)); 6027 } 6028 ret: 6029 env->DeleteGlobalRef(self); 6030 6031 return result; 6032 } 6033 6034 void AwtComponent::_RemoveNativeDropTarget(void *param) 6035 { 6036 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6037 6038 jobject self = (jobject)param; 6039 6040 AwtComponent *c = NULL; 6041 6042 PDATA pData; 6043 JNI_CHECK_PEER_GOTO(self, ret); 6044 c = (AwtComponent *)pData; 6045 if (::IsWindow(c->GetHWnd())) 6046 { 6047 c->DestroyDropTarget(); 6048 } 6049 ret: 6050 env->DeleteGlobalRef(self); 6051 } 6052 6053 jintArray AwtComponent::_CreatePrintedPixels(void *param) 6054 { 6055 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6056 6057 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param; 6058 jobject self = cpps->component; 6059 6060 jintArray result = NULL; 6061 AwtComponent *c = NULL; 6062 6063 PDATA pData; 6064 JNI_CHECK_PEER_GOTO(self, ret); 6065 c = (AwtComponent *)pData; 6066 if (::IsWindow(c->GetHWnd())) 6067 { 6068 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0); 6069 } 6070 ret: 6071 env->DeleteGlobalRef(self); 6072 6073 delete cpps; 6074 return result; // this reference is global 6075 } 6076 6077 jboolean AwtComponent::_IsObscured(void *param) 6078 { 6079 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6080 6081 jobject self = (jobject)param; 6082 6083 jboolean result = JNI_FALSE; 6084 AwtComponent *c = NULL; 6085 6086 PDATA pData; 6087 JNI_CHECK_PEER_GOTO(self, ret); 6088 6089 c = (AwtComponent *)pData; 6090 6091 if (::IsWindow(c->GetHWnd())) 6092 { 6093 HWND hWnd = c->GetHWnd(); 6094 HDC hDC = ::GetDC(hWnd); 6095 RECT clipbox; 6096 int callresult = ::GetClipBox(hDC, &clipbox); 6097 switch(callresult) { 6098 case NULLREGION : 6099 result = JNI_FALSE; 6100 break; 6101 case SIMPLEREGION : { 6102 RECT windowRect; 6103 if (!::GetClientRect(hWnd, &windowRect)) { 6104 result = JNI_TRUE; 6105 } else { 6106 result = (jboolean)((clipbox.bottom != windowRect.bottom) 6107 || (clipbox.left != windowRect.left) 6108 || (clipbox.right != windowRect.right) 6109 || (clipbox.top != windowRect.top)); 6110 } 6111 break; 6112 } 6113 case COMPLEXREGION : 6114 default : 6115 result = JNI_TRUE; 6116 break; 6117 } 6118 ::ReleaseDC(hWnd, hDC); 6119 } 6120 ret: 6121 env->DeleteGlobalRef(self); 6122 6123 return result; 6124 } 6125 6126 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param) 6127 { 6128 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6129 6130 jobject self = (jobject)param; 6131 6132 jboolean result = JNI_FALSE; 6133 AwtComponent *c = NULL; 6134 6135 PDATA pData; 6136 JNI_CHECK_PEER_GOTO(self, ret); 6137 c = (AwtComponent *)pData; 6138 if (::IsWindow(c->GetHWnd())) 6139 { 6140 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior()); 6141 } 6142 ret: 6143 env->DeleteGlobalRef(self); 6144 6145 return result; 6146 } 6147 6148 void AwtComponent::SetParent(void * param) { 6149 if (AwtToolkit::IsMainThread()) { 6150 AwtComponent** comps = (AwtComponent**)param; 6151 if ((comps[0] != NULL) && (comps[1] != NULL)) { 6152 HWND selfWnd = comps[0]->GetHWnd(); 6153 HWND parentWnd = comps[1]->GetHWnd(); 6154 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) { 6155 // Shouldn't trigger native focus change 6156 // (only the proxy may be the native focus owner). 6157 ::SetParent(selfWnd, parentWnd); 6158 } 6159 } 6160 delete[] comps; 6161 } else { 6162 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::SetParent, param); 6163 } 6164 } 6165 6166 void AwtComponent::_SetRectangularShape(void *param) 6167 { 6168 if (!AwtToolkit::IsMainThread()) { 6169 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param); 6170 } else { 6171 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6172 6173 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param; 6174 jobject self = data->component; 6175 jint x1 = data->x1; 6176 jint x2 = data->x2; 6177 jint y1 = data->y1; 6178 jint y2 = data->y2; 6179 jobject region = data->region; 6180 6181 AwtComponent *c = NULL; 6182 6183 PDATA pData; 6184 JNI_CHECK_PEER_GOTO(self, ret); 6185 6186 c = (AwtComponent *)pData; 6187 if (::IsWindow(c->GetHWnd())) { 6188 HRGN hRgn = NULL; 6189 6190 // If all the params are zeros, the shape must be simply reset. 6191 // Otherwise, convert it into a region. 6192 if (region || x1 || x2 || y1 || y2) { 6193 RECT_T rects[256]; 6194 RECT_T *pRect = rects; 6195 6196 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2, 6197 region, &pRect, sizeof(rects)/sizeof(rects[0])); 6198 if (!pRect) { 6199 // RegionToYXBandedRectangles doesn't use safe_Malloc(), 6200 // so throw the exception explicitly 6201 throw std::bad_alloc(); 6202 } 6203 6204 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc, 6205 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects); 6206 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects); 6207 if (pRect != rects) { 6208 free(pRect); 6209 } 6210 pRect = NULL; 6211 6212 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData; 6213 pRgnHdr->dwSize = sizeof(RGNDATAHEADER); 6214 pRgnHdr->iType = RDH_RECTANGLES; 6215 pRgnHdr->nRgnSize = 0; 6216 pRgnHdr->rcBound.top = 0; 6217 pRgnHdr->rcBound.left = 0; 6218 pRgnHdr->rcBound.bottom = LONG(y2 - y1); 6219 pRgnHdr->rcBound.right = LONG(x2 - x1); 6220 pRgnHdr->nCount = numrects; 6221 6222 hRgn = ::ExtCreateRegion(NULL, 6223 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData); 6224 6225 free(pRgnData); 6226 } 6227 6228 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE); 6229 } 6230 6231 ret: 6232 env->DeleteGlobalRef(self); 6233 if (region) { 6234 env->DeleteGlobalRef(region); 6235 } 6236 6237 delete data; 6238 } 6239 } 6240 6241 void AwtComponent::_SetZOrder(void *param) { 6242 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6243 6244 SetZOrderStruct *data = (SetZOrderStruct *)param; 6245 jobject self = data->component; 6246 HWND above = HWND_TOP; 6247 if (data->above != 0) { 6248 above = reinterpret_cast<HWND>(data->above); 6249 } 6250 6251 AwtComponent *c = NULL; 6252 6253 PDATA pData; 6254 JNI_CHECK_PEER_GOTO(self, ret); 6255 6256 c = (AwtComponent *)pData; 6257 if (::IsWindow(c->GetHWnd())) { 6258 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0, 6259 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS); 6260 } 6261 6262 ret: 6263 env->DeleteGlobalRef(self); 6264 6265 delete data; 6266 } 6267 6268 void AwtComponent::PostUngrabEvent() { 6269 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6270 jobject target = GetTarget(env); 6271 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V", 6272 target); 6273 if (safe_ExceptionOccurred(env)) { 6274 env->ExceptionDescribe(); 6275 env->ExceptionClear(); 6276 } 6277 env->DeleteLocalRef(target); 6278 if (event != NULL) { 6279 SendEvent(event); 6280 env->DeleteLocalRef(event); 6281 } 6282 } 6283 6284 void AwtComponent::SetFocusedWindow(HWND window) 6285 { 6286 HWND old = sm_focusedWindow; 6287 sm_focusedWindow = window; 6288 6289 AwtWindow::FocusedWindowChanged(old, window); 6290 } 6291 6292 /************************************************************************ 6293 * Component native methods 6294 */ 6295 6296 extern "C" { 6297 6298 /** 6299 * This method is called from the WGL pipeline when it needs to retrieve 6300 * the HWND associated with a ComponentPeer's C++ level object. 6301 */ 6302 HWND 6303 AwtComponent_GetHWnd(JNIEnv *env, jlong pData) 6304 { 6305 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData); 6306 if (p == NULL) { 6307 return (HWND)0; 6308 } 6309 return p->GetHWnd(); 6310 } 6311 6312 static void _GetInsets(void* param) 6313 { 6314 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6315 6316 GetInsetsStruct *gis = (GetInsetsStruct *)param; 6317 jobject self = gis->window; 6318 6319 gis->insets->left = gis->insets->top = 6320 gis->insets->right = gis->insets->bottom = 0; 6321 6322 PDATA pData; 6323 JNI_CHECK_PEER_GOTO(self, ret); 6324 AwtComponent *component = (AwtComponent *)pData; 6325 6326 component->GetInsets(gis->insets); 6327 6328 ret: 6329 env->DeleteGlobalRef(self); 6330 delete gis; 6331 } 6332 6333 /** 6334 * This method is called from the WGL pipeline when it needs to retrieve 6335 * the insets associated with a ComponentPeer's C++ level object. 6336 */ 6337 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets) 6338 { 6339 TRY; 6340 6341 GetInsetsStruct *gis = new GetInsetsStruct; 6342 gis->window = env->NewGlobalRef(peer); 6343 gis->insets = insets; 6344 6345 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis); 6346 // global refs and mds are deleted in _UpdateWindow 6347 6348 CATCH_BAD_ALLOC; 6349 6350 } 6351 6352 JNIEXPORT void JNICALL 6353 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls) 6354 { 6355 TRY; 6356 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent"); 6357 CHECK_NULL(inputEventClazz); 6358 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I"); 6359 CHECK_NULL(getButtonDownMasksID); 6360 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID); 6361 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE); 6362 CHECK_NULL(tmp); 6363 jsize len = env->GetArrayLength(obj); 6364 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len); 6365 for (int i = 0; i < len; i++) { 6366 AwtComponent::masks[i] = tmp[i]; 6367 } 6368 env->ReleaseIntArrayElements(obj, tmp, 0); 6369 env->DeleteLocalRef(obj); 6370 6371 /* class ids */ 6372 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer"); 6373 6374 DASSERT(peerCls); 6375 CHECK_NULL(peerCls); 6376 6377 /* field ids */ 6378 AwtComponent::peerID = 6379 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;"); 6380 DASSERT(AwtComponent::peerID); 6381 CHECK_NULL(AwtComponent::peerID); 6382 6383 AwtComponent::xID = env->GetFieldID(cls, "x", "I"); 6384 DASSERT(AwtComponent::xID); 6385 CHECK_NULL(AwtComponent::xID); 6386 6387 AwtComponent::yID = env->GetFieldID(cls, "y", "I"); 6388 DASSERT(AwtComponent::yID); 6389 CHECK_NULL(AwtComponent::yID); 6390 6391 AwtComponent::heightID = env->GetFieldID(cls, "height", "I"); 6392 DASSERT(AwtComponent::heightID); 6393 CHECK_NULL(AwtComponent::heightID); 6394 6395 AwtComponent::widthID = env->GetFieldID(cls, "width", "I"); 6396 DASSERT(AwtComponent::widthID); 6397 CHECK_NULL(AwtComponent::widthID); 6398 6399 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z"); 6400 DASSERT(AwtComponent::visibleID); 6401 CHECK_NULL(AwtComponent::visibleID); 6402 6403 AwtComponent::backgroundID = 6404 env->GetFieldID(cls, "background", "Ljava/awt/Color;"); 6405 DASSERT(AwtComponent::backgroundID); 6406 CHECK_NULL(AwtComponent::backgroundID); 6407 6408 AwtComponent::foregroundID = 6409 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;"); 6410 DASSERT(AwtComponent::foregroundID); 6411 CHECK_NULL(AwtComponent::foregroundID); 6412 6413 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z"); 6414 DASSERT(AwtComponent::enabledID); 6415 CHECK_NULL(AwtComponent::enabledID); 6416 6417 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;"); 6418 DASSERT(AwtComponent::parentID); 6419 CHECK_NULL(AwtComponent::parentID); 6420 6421 AwtComponent::graphicsConfigID = 6422 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;"); 6423 DASSERT(AwtComponent::graphicsConfigID); 6424 CHECK_NULL(AwtComponent::graphicsConfigID); 6425 6426 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z"); 6427 DASSERT(AwtComponent::focusableID); 6428 CHECK_NULL(AwtComponent::focusableID); 6429 6430 AwtComponent::appContextID = env->GetFieldID(cls, "appContext", 6431 "Lsun/awt/AppContext;"); 6432 DASSERT(AwtComponent::appContextID); 6433 CHECK_NULL(AwtComponent::appContextID); 6434 6435 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig", 6436 "Lsun/awt/Win32GraphicsConfig;"); 6437 DASSERT(AwtComponent::peerGCID); 6438 CHECK_NULL(AwtComponent::peerGCID); 6439 6440 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J"); 6441 DASSERT(AwtComponent::hwndID); 6442 CHECK_NULL(AwtComponent::hwndID); 6443 6444 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;"); 6445 DASSERT(AwtComponent::cursorID); 6446 CHECK_NULL(AwtComponent::cursorID); 6447 6448 /* method ids */ 6449 AwtComponent::getFontMID = 6450 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;"); 6451 DASSERT(AwtComponent::getFontMID); 6452 CHECK_NULL(AwtComponent::getFontMID); 6453 6454 AwtComponent::getToolkitMID = 6455 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;"); 6456 DASSERT(AwtComponent::getToolkitMID); 6457 CHECK_NULL(AwtComponent::getToolkitMID); 6458 6459 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z"); 6460 DASSERT(AwtComponent::isEnabledMID); 6461 CHECK_NULL(AwtComponent::isEnabledMID); 6462 6463 AwtComponent::getLocationOnScreenMID = 6464 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;"); 6465 DASSERT(AwtComponent::getLocationOnScreenMID); 6466 CHECK_NULL(AwtComponent::getLocationOnScreenMID); 6467 6468 AwtComponent::replaceSurfaceDataMID = 6469 env->GetMethodID(peerCls, "replaceSurfaceData", "()V"); 6470 DASSERT(AwtComponent::replaceSurfaceDataMID); 6471 CHECK_NULL(AwtComponent::replaceSurfaceDataMID); 6472 6473 AwtComponent::replaceSurfaceDataLaterMID = 6474 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V"); 6475 DASSERT(AwtComponent::replaceSurfaceDataLaterMID); 6476 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID); 6477 6478 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V"); 6479 DASSERT(AwtComponent::disposeLaterMID); 6480 CHECK_NULL(AwtComponent::disposeLaterMID); 6481 6482 CATCH_BAD_ALLOC; 6483 } 6484 6485 } /* extern "C" */ 6486 6487 6488 /************************************************************************ 6489 * ComponentPeer native methods 6490 */ 6491 6492 extern "C" { 6493 6494 /* 6495 * Class: sun_awt_windows_WComponentPeer 6496 * Method: pShow 6497 * Signature: ()V 6498 */ 6499 JNIEXPORT void JNICALL 6500 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self) 6501 { 6502 TRY; 6503 6504 jobject selfGlobalRef = env->NewGlobalRef(self); 6505 6506 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef); 6507 // selfGlobalRef is deleted in _Show 6508 6509 CATCH_BAD_ALLOC; 6510 } 6511 6512 /* 6513 * Class: sun_awt_windows_WComponentPeer 6514 * Method: hide 6515 * Signature: ()V 6516 */ 6517 JNIEXPORT void JNICALL 6518 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self) 6519 { 6520 TRY; 6521 6522 jobject selfGlobalRef = env->NewGlobalRef(self); 6523 6524 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef); 6525 // selfGlobalRef is deleted in _Hide 6526 6527 CATCH_BAD_ALLOC; 6528 } 6529 6530 /* 6531 * Class: sun_awt_windows_WComponentPeer 6532 * Method: enable 6533 * Signature: ()V 6534 */ 6535 JNIEXPORT void JNICALL 6536 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self) 6537 { 6538 TRY; 6539 6540 jobject selfGlobalRef = env->NewGlobalRef(self); 6541 6542 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef); 6543 // selfGlobalRef is deleted in _Enable 6544 6545 CATCH_BAD_ALLOC; 6546 } 6547 6548 /* 6549 * Class: sun_awt_windows_WComponentPeer 6550 * Method: disable 6551 * Signature: ()V 6552 */ 6553 JNIEXPORT void JNICALL 6554 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self) 6555 { 6556 TRY; 6557 6558 jobject selfGlobalRef = env->NewGlobalRef(self); 6559 6560 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef); 6561 // selfGlobalRef is deleted in _Disable 6562 6563 CATCH_BAD_ALLOC; 6564 } 6565 6566 /* 6567 * Class: sun_awt_windows_WComponentPeer 6568 * Method: getLocationOnScreen 6569 * Signature: ()Ljava/awt/Point; 6570 */ 6571 JNIEXPORT jobject JNICALL 6572 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self) 6573 { 6574 TRY; 6575 6576 jobject selfGlobalRef = env->NewGlobalRef(self); 6577 6578 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall( 6579 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef); 6580 // selfGlobalRef is deleted in _GetLocationOnScreen 6581 if (resultGlobalRef != NULL) 6582 { 6583 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef); 6584 env->DeleteGlobalRef(resultGlobalRef); 6585 return resultLocalRef; 6586 } 6587 6588 return NULL; 6589 6590 CATCH_BAD_ALLOC_RET(NULL); 6591 } 6592 6593 /* 6594 * Class: sun_awt_windows_WComponentPeer 6595 * Method: reshape 6596 * Signature: (IIII)V 6597 */ 6598 JNIEXPORT void JNICALL 6599 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self, 6600 jint x, jint y, jint w, jint h) 6601 { 6602 TRY; 6603 6604 ReshapeStruct *rs = new ReshapeStruct; 6605 rs->component = env->NewGlobalRef(self); 6606 rs->x = x; 6607 rs->y = y; 6608 rs->w = w; 6609 rs->h = h; 6610 6611 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs); 6612 // global ref and rs are deleted in _Reshape 6613 6614 CATCH_BAD_ALLOC; 6615 } 6616 6617 /* 6618 * Class: sun_awt_windows_WComponentPeer 6619 * Method: reshape 6620 * Signature: (IIII)V 6621 */ 6622 JNIEXPORT void JNICALL 6623 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self, 6624 jint x, jint y, jint w, jint h) 6625 { 6626 TRY; 6627 6628 ReshapeStruct *rs = new ReshapeStruct; 6629 rs->component = env->NewGlobalRef(self); 6630 rs->x = x; 6631 rs->y = y; 6632 rs->w = w; 6633 rs->h = h; 6634 6635 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs); 6636 // global ref and rs are deleted in _ReshapeNoCheck 6637 6638 CATCH_BAD_ALLOC; 6639 } 6640 6641 6642 /* 6643 * Class: sun_awt_windows_WComponentPeer 6644 * Method: nativeHandleEvent 6645 * Signature: (Ljava/awt/AWTEvent;)V 6646 */ 6647 JNIEXPORT void JNICALL 6648 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env, 6649 jobject self, 6650 jobject event) 6651 { 6652 TRY; 6653 6654 jobject selfGlobalRef = env->NewGlobalRef(self); 6655 jobject eventGlobalRef = env->NewGlobalRef(event); 6656 6657 NativeHandleEventStruct *nhes = new NativeHandleEventStruct; 6658 nhes->component = selfGlobalRef; 6659 nhes->event = eventGlobalRef; 6660 6661 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes); 6662 // global refs and nhes are deleted in _NativeHandleEvent 6663 6664 CATCH_BAD_ALLOC; 6665 } 6666 6667 /* 6668 * Class: sun_awt_windows_WComponentPeer 6669 * Method: _dispose 6670 * Signature: ()V 6671 */ 6672 JNIEXPORT void JNICALL 6673 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self) 6674 { 6675 TRY_NO_HANG; 6676 6677 AwtObject::_Dispose(self); 6678 6679 CATCH_BAD_ALLOC; 6680 } 6681 6682 /* 6683 * Class: sun_awt_windows_WComponentPeer 6684 * Method: _setForeground 6685 * Signature: (I)V 6686 */ 6687 JNIEXPORT void JNICALL 6688 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self, 6689 jint rgb) 6690 { 6691 TRY; 6692 6693 jobject selfGlobalRef = env->NewGlobalRef(self); 6694 6695 SetColorStruct *scs = new SetColorStruct; 6696 scs->component = selfGlobalRef; 6697 scs->rgb = rgb; 6698 6699 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs); 6700 // selfGlobalRef and scs are deleted in _SetForeground() 6701 6702 CATCH_BAD_ALLOC; 6703 } 6704 6705 /* 6706 * Class: sun_awt_windows_WComponentPeer 6707 * Method: _setBackground 6708 * Signature: (I)V 6709 */ 6710 JNIEXPORT void JNICALL 6711 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self, 6712 jint rgb) 6713 { 6714 TRY; 6715 6716 jobject selfGlobalRef = env->NewGlobalRef(self); 6717 6718 SetColorStruct *scs = new SetColorStruct; 6719 scs->component = selfGlobalRef; 6720 scs->rgb = rgb; 6721 6722 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs); 6723 // selfGlobalRef and scs are deleted in _SetBackground() 6724 6725 CATCH_BAD_ALLOC; 6726 } 6727 6728 /* 6729 * Class: sun_awt_windows_WComponentPeer 6730 * Method: _setFont 6731 * Signature: (Ljava/awt/Font;)V 6732 */ 6733 JNIEXPORT void JNICALL 6734 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self, 6735 jobject font) 6736 { 6737 TRY; 6738 6739 jobject selfGlobalRef = env->NewGlobalRef(self); 6740 jobject fontGlobalRef = env->NewGlobalRef(font); 6741 6742 SetFontStruct *sfs = new SetFontStruct; 6743 sfs->component = selfGlobalRef; 6744 sfs->font = fontGlobalRef; 6745 6746 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs); 6747 // global refs and sfs are deleted in _SetFont() 6748 6749 CATCH_BAD_ALLOC; 6750 } 6751 6752 /* 6753 * Class: sun_awt_windows_WComponentPeer 6754 * Method: focusGained 6755 * Signature: (Z) 6756 */ 6757 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus 6758 (JNIEnv *env, jobject self, jboolean doSetFocus) 6759 { 6760 TRY; 6761 6762 jobject selfGlobalRef = env->NewGlobalRef(self); 6763 6764 SetFocusStruct *sfs = new SetFocusStruct; 6765 sfs->component = selfGlobalRef; 6766 sfs->doSetFocus = doSetFocus; 6767 6768 AwtToolkit::GetInstance().SyncCall( 6769 (void*(*)(void*))AwtComponent::_SetFocus, sfs); 6770 // global refs and self are deleted in _SetFocus 6771 6772 CATCH_BAD_ALLOC; 6773 } 6774 6775 /* 6776 * Class: sun_awt_windows_WComponentPeer 6777 * Method: start 6778 * Signature: ()V 6779 */ 6780 JNIEXPORT void JNICALL 6781 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self) 6782 { 6783 TRY; 6784 6785 jobject selfGlobalRef = env->NewGlobalRef(self); 6786 6787 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef); 6788 // selfGlobalRef is deleted in _Start 6789 6790 CATCH_BAD_ALLOC; 6791 } 6792 6793 /* 6794 * Class: sun_awt_windows_WComponentPeer 6795 * Method: beginValidate 6796 * Signature: ()V 6797 */ 6798 JNIEXPORT void JNICALL 6799 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self) 6800 { 6801 TRY; 6802 6803 jobject selfGlobalRef = env->NewGlobalRef(self); 6804 6805 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef); 6806 // selfGlobalRef is deleted in _BeginValidate 6807 6808 CATCH_BAD_ALLOC; 6809 } 6810 6811 /* 6812 * Class: sun_awt_windows_WComponentPeer 6813 * Method: endValidate 6814 * Signature: ()V 6815 */ 6816 JNIEXPORT void JNICALL 6817 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self) 6818 { 6819 TRY; 6820 6821 jobject selfGlobalRef = env->NewGlobalRef(self); 6822 6823 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef); 6824 // selfGlobalRef is deleted in _EndValidate 6825 6826 CATCH_BAD_ALLOC; 6827 } 6828 6829 JNIEXPORT void JNICALL 6830 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self) 6831 { 6832 TRY; 6833 6834 jobject selfGlobalRef = env->NewGlobalRef(self); 6835 6836 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef); 6837 // selfGlobalRef is deleted in _UpdateWindow 6838 6839 CATCH_BAD_ALLOC; 6840 } 6841 6842 /* 6843 * Class: sun_awt_windows_WComponentPeer 6844 * Method: addNativeDropTarget 6845 * Signature: ()L 6846 */ 6847 6848 JNIEXPORT jlong JNICALL 6849 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env, 6850 jobject self) 6851 { 6852 TRY; 6853 6854 jobject selfGlobalRef = env->NewGlobalRef(self); 6855 6856 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall( 6857 (void*(*)(void*))AwtComponent::_AddNativeDropTarget, 6858 (void *)selfGlobalRef)); 6859 // selfGlobalRef is deleted in _AddNativeDropTarget 6860 6861 CATCH_BAD_ALLOC_RET(0); 6862 } 6863 6864 /* 6865 * Class: sun_awt_windows_WComponentPeer 6866 * Method: removeNativeDropTarget 6867 * Signature: ()V 6868 */ 6869 6870 JNIEXPORT void JNICALL 6871 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env, 6872 jobject self) 6873 { 6874 TRY; 6875 6876 jobject selfGlobalRef = env->NewGlobalRef(self); 6877 6878 AwtToolkit::GetInstance().SyncCall( 6879 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef); 6880 // selfGlobalRef is deleted in _RemoveNativeDropTarget 6881 6882 CATCH_BAD_ALLOC; 6883 } 6884 6885 /* 6886 * Class: sun_awt_windows_WComponentPeer 6887 * Method: getTargetGC 6888 * Signature: ()Ljava/awt/GraphicsConfiguration; 6889 */ 6890 JNIEXPORT jobject JNICALL 6891 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis) 6892 { 6893 TRY; 6894 6895 jobject targetObj; 6896 jobject gc = 0; 6897 6898 targetObj = env->GetObjectField(theThis, AwtObject::targetID); 6899 DASSERT(targetObj); 6900 6901 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID); 6902 return gc; 6903 6904 CATCH_BAD_ALLOC_RET(NULL); 6905 } 6906 6907 /* 6908 * Class: sun_awt_windows_WComponentPeer 6909 * Method: createPrintedPixels 6910 * Signature: (IIIIII)I[ 6911 */ 6912 JNIEXPORT jintArray JNICALL 6913 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env, 6914 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha) 6915 { 6916 TRY; 6917 6918 jobject selfGlobalRef = env->NewGlobalRef(self); 6919 6920 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct; 6921 cpps->component = selfGlobalRef; 6922 cpps->srcx = srcX; 6923 cpps->srcy = srcY; 6924 cpps->srcw = srcW; 6925 cpps->srch = srcH; 6926 cpps->alpha = alpha; 6927 6928 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall( 6929 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps); 6930 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels 6931 if (globalRef != NULL) 6932 { 6933 jintArray localRef = (jintArray)env->NewLocalRef(globalRef); 6934 env->DeleteGlobalRef(globalRef); 6935 return localRef; 6936 } 6937 else 6938 { 6939 return NULL; 6940 } 6941 6942 CATCH_BAD_ALLOC_RET(NULL); 6943 } 6944 6945 /* 6946 * Class: sun_awt_windows_WComponentPeer 6947 * Method: nativeHandlesWheelScrolling 6948 * Signature: ()Z 6949 */ 6950 JNIEXPORT jboolean JNICALL 6951 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env, 6952 jobject self) 6953 { 6954 TRY; 6955 6956 return (jboolean)AwtToolkit::GetInstance().SyncCall( 6957 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling, 6958 env->NewGlobalRef(self)); 6959 // global ref is deleted in _NativeHandlesWheelScrolling 6960 6961 CATCH_BAD_ALLOC_RET(NULL); 6962 } 6963 6964 /* 6965 * Class: sun_awt_windows_WComponentPeer 6966 * Method: isObscured 6967 * Signature: ()Z 6968 */ 6969 JNIEXPORT jboolean JNICALL 6970 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env, 6971 jobject self) 6972 { 6973 TRY; 6974 6975 jobject selfGlobalRef = env->NewGlobalRef(self); 6976 6977 return (jboolean)AwtToolkit::GetInstance().SyncCall( 6978 (void*(*)(void*))AwtComponent::_IsObscured, 6979 (void *)selfGlobalRef); 6980 // selfGlobalRef is deleted in _IsObscured 6981 6982 CATCH_BAD_ALLOC_RET(NULL); 6983 } 6984 6985 JNIEXPORT void JNICALL 6986 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) { 6987 TRY; 6988 6989 typedef AwtComponent* PComponent; 6990 AwtComponent** comps = new PComponent[2]; 6991 AwtComponent* comp = (AwtComponent*)JNI_GET_PDATA(self); 6992 AwtComponent* parentComp = (AwtComponent*)JNI_GET_PDATA(parent); 6993 comps[0] = comp; 6994 comps[1] = parentComp; 6995 6996 AwtToolkit::GetInstance().SyncCall(AwtComponent::SetParent, comps); 6997 // comps is deleted in SetParent 6998 6999 CATCH_BAD_ALLOC; 7000 } 7001 7002 JNIEXPORT void JNICALL 7003 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self, 7004 jint x1, jint y1, jint x2, jint y2, jobject region) 7005 { 7006 TRY; 7007 7008 SetRectangularShapeStruct * data = new SetRectangularShapeStruct; 7009 data->component = env->NewGlobalRef(self); 7010 data->x1 = x1; 7011 data->x2 = x2; 7012 data->y1 = y1; 7013 data->y2 = y2; 7014 if (region) { 7015 data->region = env->NewGlobalRef(region); 7016 } else { 7017 data->region = NULL; 7018 } 7019 7020 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data); 7021 // global refs and data are deleted in _SetRectangularShape 7022 7023 CATCH_BAD_ALLOC; 7024 } 7025 7026 JNIEXPORT void JNICALL 7027 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above) 7028 { 7029 TRY; 7030 7031 SetZOrderStruct * data = new SetZOrderStruct; 7032 data->component = env->NewGlobalRef(self); 7033 data->above = above; 7034 7035 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data); 7036 // global refs and data are deleted in _SetLower 7037 7038 CATCH_BAD_ALLOC; 7039 } 7040 7041 } /* extern "C" */ 7042 7043 7044 /************************************************************************ 7045 * Diagnostic routines 7046 */ 7047 7048 #ifdef DEBUG 7049 7050 void AwtComponent::VerifyState() 7051 { 7052 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) { 7053 return; 7054 } 7055 7056 if (m_callbacksEnabled == FALSE) { 7057 /* Component is not fully setup yet. */ 7058 return; 7059 } 7060 7061 /* Get target bounds. */ 7062 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 7063 if (env->PushLocalFrame(10) < 0) 7064 return; 7065 7066 jobject target = GetTarget(env); 7067 7068 jint x = env->GetIntField(target, AwtComponent::xID); 7069 jint y = env->GetIntField(target, AwtComponent::yID); 7070 jint width = env->GetIntField(target, AwtComponent::widthID); 7071 jint height = env->GetIntField(target, AwtComponent::heightID); 7072 7073 /* Convert target origin to absolute coordinates */ 7074 while (TRUE) { 7075 7076 jobject parent = env->GetObjectField(target, AwtComponent::parentID); 7077 if (parent == NULL) { 7078 break; 7079 } 7080 x += env->GetIntField(parent, AwtComponent::xID); 7081 y += env->GetIntField(parent, AwtComponent::yID); 7082 7083 /* If this component has insets, factor them in, but ignore 7084 * top-level windows. 7085 */ 7086 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID); 7087 if (parent2 != NULL) { 7088 jobject peer = GetPeerForTarget(env, parent); 7089 if (peer != NULL && 7090 JNU_IsInstanceOfByName(env, peer, 7091 "sun/awt/windows/WPanelPeer") > 0) { 7092 jobject insets = 7093 JNU_CallMethodByName(env, NULL, peer,"insets", 7094 "()Ljava/awt/Insets;").l; 7095 x += (env)->GetIntField(insets, AwtInsets::leftID); 7096 y += (env)->GetIntField(insets, AwtInsets::topID); 7097 } 7098 } 7099 env->DeleteLocalRef(target); 7100 target = parent; 7101 } 7102 7103 x = ScaleUpX(x); 7104 y = ScaleUpY(y); 7105 width = ScaleUpX(width); 7106 height = ScaleUpY(height); 7107 7108 // Test whether component's bounds match the native window's 7109 RECT rect; 7110 VERIFY(::GetWindowRect(GetHWnd(), &rect)); 7111 #if 0 7112 DASSERT( (x == rect.left) && 7113 (y == rect.top) && 7114 (width == (rect.right-rect.left)) && 7115 (height == (rect.bottom-rect.top)) ); 7116 #else 7117 BOOL fSizeValid = ( (x == rect.left) && 7118 (y == rect.top) && 7119 (width == (rect.right-rect.left)) && 7120 (height == (rect.bottom-rect.top)) ); 7121 #endif 7122 7123 // See if visible state matches 7124 BOOL wndVisible = ::IsWindowVisible(GetHWnd()); 7125 jboolean targetVisible; 7126 // To avoid possibly running client code on the toolkit thread, don't 7127 // do the following check if we're running on the toolkit thread. 7128 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) { 7129 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env), 7130 "isShowing", "()Z").z; 7131 DASSERT(!safe_ExceptionOccurred(env)); 7132 } else { 7133 targetVisible = wndVisible ? 1 : 0; 7134 } 7135 #if 0 7136 DASSERT( (targetVisible && wndVisible) || 7137 (!targetVisible && !wndVisible) ); 7138 #else 7139 BOOL fVisibleValid = ( (targetVisible && wndVisible) || 7140 (!targetVisible && !wndVisible) ); 7141 #endif 7142 7143 // Check enabled state 7144 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd()); 7145 jboolean enabled = (jboolean)env->GetBooleanField(target, 7146 AwtComponent::enabledID); 7147 #if 0 7148 DASSERT( (enabled && wndEnabled) || 7149 (!enabled && !wndEnabled) ); 7150 #else 7151 BOOL fEnabledValid = ((enabled && wndEnabled) || 7152 (!(enabled && !wndEnabled) )); 7153 7154 if (!fSizeValid || !fVisibleValid || !fEnabledValid) { 7155 printf("AwtComponent::ValidateState() failed:\n"); 7156 // To avoid possibly running client code on the toolkit thread, don't 7157 // do the following call if we're running on the toolkit thread. 7158 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) { 7159 jstring targetStr = 7160 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env), 7161 "getName", 7162 "()Ljava/lang/String;").l; 7163 DASSERT(!safe_ExceptionOccurred(env)); 7164 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL); 7165 printf("\t%S\n", targetStrW); 7166 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW); 7167 } 7168 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height); 7169 if (!fSizeValid) { 7170 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top, 7171 rect.right-rect.left, rect.bottom-rect.top); 7172 } 7173 if (!fVisibleValid) { 7174 printf("\tshould be: %s\n", 7175 (targetVisible) ? "visible" : "hidden"); 7176 } 7177 if (!fEnabledValid) { 7178 printf("\tshould be: %s\n", 7179 enabled ? "enabled" : "disabled"); 7180 } 7181 } 7182 #endif 7183 env->PopLocalFrame(0); 7184 } 7185 #endif //DEBUG 7186 7187 // Methods for globally managed DC list 7188 7189 /** 7190 * Add a new DC to the DC list for this component. 7191 */ 7192 void DCList::AddDC(HDC hDC, HWND hWnd) 7193 { 7194 DCItem *newItem = new DCItem; 7195 newItem->hDC = hDC; 7196 newItem->hWnd = hWnd; 7197 AddDCItem(newItem); 7198 } 7199 7200 void DCList::AddDCItem(DCItem *newItem) 7201 { 7202 listLock.Enter(); 7203 newItem->next = head; 7204 head = newItem; 7205 listLock.Leave(); 7206 } 7207 7208 /** 7209 * Given a DC, remove it from the DC list and return 7210 * TRUE if it exists on the current list. Otherwise 7211 * return FALSE. 7212 * A DC may not exist on the list because it has already 7213 * been released elsewhere (for example, the window 7214 * destruction process may release a DC while a rendering 7215 * thread may also want to release a DC when it notices that 7216 * its DC is obsolete for the current window). 7217 */ 7218 DCItem *DCList::RemoveDC(HDC hDC) 7219 { 7220 listLock.Enter(); 7221 DCItem **prevPtrPtr = &head; 7222 DCItem *listPtr = head; 7223 while (listPtr) { 7224 DCItem *nextPtr = listPtr->next; 7225 if (listPtr->hDC == hDC) { 7226 *prevPtrPtr = nextPtr; 7227 break; 7228 } 7229 prevPtrPtr = &listPtr->next; 7230 listPtr = nextPtr; 7231 } 7232 listLock.Leave(); 7233 return listPtr; 7234 } 7235 7236 /** 7237 * Remove all DCs from the DC list which are associated with 7238 * the same window as hWnd. Return the list of those 7239 * DC's to the caller (which will then probably want to 7240 * call ReleaseDC() for the returned DCs). 7241 */ 7242 DCItem *DCList::RemoveAllDCs(HWND hWnd) 7243 { 7244 listLock.Enter(); 7245 DCItem **prevPtrPtr = &head; 7246 DCItem *listPtr = head; 7247 DCItem *newListPtr = NULL; 7248 BOOL ret = FALSE; 7249 while (listPtr) { 7250 DCItem *nextPtr = listPtr->next; 7251 if (listPtr->hWnd == hWnd) { 7252 *prevPtrPtr = nextPtr; 7253 listPtr->next = newListPtr; 7254 newListPtr = listPtr; 7255 } else { 7256 prevPtrPtr = &listPtr->next; 7257 } 7258 listPtr = nextPtr; 7259 } 7260 listLock.Leave(); 7261 return newListPtr; 7262 } 7263 7264 7265 /** 7266 * Realize palettes of all existing HDC objects 7267 */ 7268 void DCList::RealizePalettes(int screen) 7269 { 7270 listLock.Enter(); 7271 DCItem *listPtr = head; 7272 while (listPtr) { 7273 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen); 7274 listPtr = listPtr->next; 7275 } 7276 listLock.Leave(); 7277 } 7278 7279 void MoveDCToPassiveList(HDC hDC) { 7280 DCItem *removedDC; 7281 if ((removedDC = activeDCList.RemoveDC(hDC)) != NULL) { 7282 passiveDCList.AddDCItem(removedDC); 7283 } 7284 } 7285 7286 void ReleaseDCList(HWND hwnd, DCList &list) { 7287 DCItem *removedDCs = list.RemoveAllDCs(hwnd); 7288 while (removedDCs) { 7289 DCItem *tmpDCList = removedDCs; 7290 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC); 7291 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC); 7292 VERIFY(retValue != 0); 7293 if (retValue != 0) { 7294 // Valid ReleaseDC call; need to decrement GDI object counter 7295 AwtGDIObject::Decrement(); 7296 } 7297 removedDCs = removedDCs->next; 7298 delete tmpDCList; 7299 } 7300 }