1 /* 2 * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include "awt.h" 27 28 #include <windowsx.h> 29 #include <zmouse.h> 30 31 #include "jlong.h" 32 #include "awt_AWTEvent.h" 33 #include "awt_BitmapUtil.h" 34 #include "awt_Component.h" 35 #include "awt_Cursor.h" 36 #include "awt_Dimension.h" 37 #include "awt_Frame.h" 38 #include "awt_InputEvent.h" 39 #include "awt_InputTextInfor.h" 40 #include "awt_Insets.h" 41 #include "awt_KeyEvent.h" 42 #include "awt_MenuItem.h" 43 #include "awt_MouseEvent.h" 44 #include "awt_Palette.h" 45 #include "awt_Toolkit.h" 46 #include "awt_Window.h" 47 #include "awt_Win32GraphicsDevice.h" 48 #include "Hashtable.h" 49 #include "ComCtl32Util.h" 50 51 #include <Region.h> 52 53 #include <jawt.h> 54 55 #include <java_awt_Toolkit.h> 56 #include <java_awt_FontMetrics.h> 57 #include <java_awt_Color.h> 58 #include <java_awt_Event.h> 59 #include <java_awt_event_KeyEvent.h> 60 #include <java_awt_Insets.h> 61 #include <sun_awt_windows_WPanelPeer.h> 62 #include <java_awt_event_InputEvent.h> 63 #include <java_awt_event_ActionEvent.h> 64 #include <java_awt_event_InputMethodEvent.h> 65 #include <sun_awt_windows_WInputMethod.h> 66 #include <java_awt_event_MouseEvent.h> 67 #include <java_awt_event_MouseWheelEvent.h> 68 69 // Begin -- Win32 SDK include files 70 #include <imm.h> 71 #include <ime.h> 72 // End -- Win32 SDK include files 73 74 #include <awt_DnDDT.h> 75 76 LPCTSTR szAwtComponentClassName = TEXT("SunAwtComponent"); 77 // register a message that no other window in the process (even in a plugin 78 // scenario) will be using 79 const UINT AwtComponent::WmAwtIsComponent = 80 ::RegisterWindowMessage(szAwtComponentClassName); 81 82 static HWND g_hwndDown = NULL; 83 static DCList activeDCList; 84 static DCList passiveDCList; 85 86 extern void CheckFontSmoothingSettings(HWND); 87 88 extern "C" { 89 // Remember the input language has changed by some user's action 90 // (Alt+Shift or through the language icon on the Taskbar) to control the 91 // race condition between the toolkit thread and the AWT event thread. 92 // This flag remains TRUE until the next WInputMethod.getNativeLocale() is 93 // issued. 94 BOOL g_bUserHasChangedInputLang = FALSE; 95 } 96 97 BOOL AwtComponent::sm_suppressFocusAndActivation = FALSE; 98 BOOL AwtComponent::sm_restoreFocusAndActivation = FALSE; 99 HWND AwtComponent::sm_focusOwner = NULL; 100 HWND AwtComponent::sm_focusedWindow = NULL; 101 BOOL AwtComponent::sm_bMenuLoop = FALSE; 102 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE; 103 104 /************************************************************************/ 105 // Struct for _Reshape() and ReshapeNoCheck() methods 106 struct ReshapeStruct { 107 jobject component; 108 jint x, y; 109 jint w, h; 110 }; 111 // Struct for _NativeHandleEvent() method 112 struct NativeHandleEventStruct { 113 jobject component; 114 jobject event; 115 }; 116 // Struct for _SetForeground() and _SetBackground() methods 117 struct SetColorStruct { 118 jobject component; 119 jint rgb; 120 }; 121 // Struct for _SetFont() method 122 struct SetFontStruct { 123 jobject component; 124 jobject font; 125 }; 126 // Struct for _CreatePrintedPixels() method 127 struct CreatePrintedPixelsStruct { 128 jobject component; 129 int srcx, srcy; 130 int srcw, srch; 131 jint alpha; 132 }; 133 // Struct for _SetRectangularShape() method 134 struct SetRectangularShapeStruct { 135 jobject component; 136 jint x1, x2, y1, y2; 137 jobject region; 138 }; 139 // Struct for _GetInsets function 140 struct GetInsetsStruct { 141 jobject window; 142 RECT *insets; 143 }; 144 // Struct for _SetZOrder function 145 struct SetZOrderStruct { 146 jobject component; 147 jlong above; 148 }; 149 // Struct for _SetFocus function 150 struct SetFocusStruct { 151 jobject component; 152 jboolean doSetFocus; 153 }; 154 // Struct for _SetParent function 155 struct SetParentStruct { 156 jobject component; 157 jobject parentComp; 158 }; 159 /************************************************************************/ 160 161 ////////////////////////////////////////////////////////////////////////// 162 163 /************************************************************************* 164 * AwtComponent fields 165 */ 166 167 168 jfieldID AwtComponent::peerID; 169 jfieldID AwtComponent::xID; 170 jfieldID AwtComponent::yID; 171 jfieldID AwtComponent::widthID; 172 jfieldID AwtComponent::heightID; 173 jfieldID AwtComponent::visibleID; 174 jfieldID AwtComponent::backgroundID; 175 jfieldID AwtComponent::foregroundID; 176 jfieldID AwtComponent::enabledID; 177 jfieldID AwtComponent::parentID; 178 jfieldID AwtComponent::graphicsConfigID; 179 jfieldID AwtComponent::peerGCID; 180 jfieldID AwtComponent::focusableID; 181 jfieldID AwtComponent::appContextID; 182 jfieldID AwtComponent::cursorID; 183 jfieldID AwtComponent::hwndID; 184 185 jmethodID AwtComponent::getFontMID; 186 jmethodID AwtComponent::getToolkitMID; 187 jmethodID AwtComponent::isEnabledMID; 188 jmethodID AwtComponent::getLocationOnScreenMID; 189 jmethodID AwtComponent::replaceSurfaceDataMID; 190 jmethodID AwtComponent::replaceSurfaceDataLaterMID; 191 jmethodID AwtComponent::disposeLaterMID; 192 193 HKL AwtComponent::m_hkl = ::GetKeyboardLayout(0); 194 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0)); 195 UINT AwtComponent::m_CodePage 196 = AwtComponent::LangToCodePage(m_idLang); 197 198 jint *AwtComponent::masks; 199 200 static BOOL bLeftShiftIsDown = false; 201 static BOOL bRightShiftIsDown = false; 202 static UINT lastShiftKeyPressed = 0; // init to safe value 203 204 // Added by waleed to initialize the RTL Flags 205 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC || 206 PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW; 207 BOOL AwtComponent::sm_rtlReadingOrder = 208 PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC; 209 210 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE; 211 212 HWND AwtComponent::sm_cursorOn; 213 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE; 214 215 CriticalSection windowMoveLock; 216 BOOL windowMoveLockHeld = FALSE; 217 218 /************************************************************************ 219 * AwtComponent methods 220 */ 221 222 AwtComponent::AwtComponent() 223 { 224 m_mouseButtonClickAllowed = 0; 225 m_touchDownOccurred = FALSE; 226 m_touchUpOccurred = FALSE; 227 m_touchDownPoint.x = m_touchDownPoint.y = 0; 228 m_touchUpPoint.x = m_touchUpPoint.y = 0; 229 m_callbacksEnabled = FALSE; 230 m_hwnd = NULL; 231 232 m_colorForeground = 0; 233 m_colorBackground = 0; 234 m_backgroundColorSet = FALSE; 235 m_penForeground = NULL; 236 m_brushBackground = NULL; 237 m_DefWindowProc = NULL; 238 m_nextControlID = 1; 239 m_childList = NULL; 240 m_myControlID = 0; 241 m_hdwp = NULL; 242 m_validationNestCount = 0; 243 244 m_dropTarget = NULL; 245 246 m_InputMethod = NULL; 247 m_useNativeCompWindow = TRUE; 248 m_PendingLeadByte = 0; 249 m_bitsCandType = 0; 250 251 windowMoveLockPosX = 0; 252 windowMoveLockPosY = 0; 253 windowMoveLockPosCX = 0; 254 windowMoveLockPosCY = 0; 255 256 m_hCursorCache = NULL; 257 258 m_bSubclassed = FALSE; 259 m_bPauseDestroy = FALSE; 260 261 m_MessagesProcessing = 0; 262 m_wheelRotationAmountX = 0; 263 m_wheelRotationAmountY = 0; 264 if (!sm_PrimaryDynamicTableBuilt) { 265 // do it once. 266 AwtComponent::BuildPrimaryDynamicTable(); 267 sm_PrimaryDynamicTableBuilt = TRUE; 268 } 269 270 deadKeyActive = FALSE; 271 } 272 273 AwtComponent::~AwtComponent() 274 { 275 DASSERT(AwtToolkit::IsMainThread()); 276 277 /* 278 * All the messages for this component are processed, native 279 * resources are freed, and Java object is not connected to 280 * the native one anymore. So we can safely destroy component's 281 * handle. 282 */ 283 DestroyHWnd(); 284 } 285 286 void AwtComponent::Dispose() 287 { 288 DASSERT(AwtToolkit::IsMainThread()); 289 290 // NOTE: in case the component/toplevel was focused, Java should 291 // have already taken care of proper transferring it or clearing. 292 293 if (m_hdwp != NULL) { 294 // end any deferred window positioning, regardless 295 // of m_validationNestCount 296 ::EndDeferWindowPos(m_hdwp); 297 } 298 299 // Send final message to release all DCs associated with this component 300 SendMessage(WM_AWT_RELEASE_ALL_DCS); 301 302 /* Stop message filtering. */ 303 UnsubclassHWND(); 304 305 /* Release global ref to input method */ 306 SetInputMethod(NULL, TRUE); 307 308 if (m_childList != NULL) { 309 delete m_childList; 310 m_childList = NULL; 311 } 312 313 DestroyDropTarget(); 314 ReleaseDragCapture(0); 315 316 if (m_myControlID != 0) { 317 AwtComponent* parent = GetParent(); 318 if (parent != NULL) 319 parent->RemoveChild(m_myControlID); 320 } 321 322 ::RemoveProp(GetHWnd(), DrawingStateProp); 323 324 /* Release any allocated resources. */ 325 if (m_penForeground != NULL) { 326 m_penForeground->Release(); 327 m_penForeground = NULL; 328 } 329 if (m_brushBackground != NULL) { 330 m_brushBackground->Release(); 331 m_brushBackground = NULL; 332 } 333 334 /* Disconnect all links. */ 335 UnlinkObjects(); 336 337 if (m_bPauseDestroy) { 338 // AwtComponent::WmNcDestroy could be released now 339 m_bPauseDestroy = FALSE; 340 m_hwnd = NULL; 341 } 342 343 // The component instance is deleted using AwtObject::Dispose() method 344 AwtObject::Dispose(); 345 } 346 347 /* store component pointer in window extra bytes */ 348 void AwtComponent::SetComponentInHWND() { 349 DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL); 350 ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this); 351 } 352 353 /* 354 * static function to get AwtComponent pointer from hWnd -- 355 * you don't want to call this from inside a wndproc to avoid 356 * infinite recursion 357 */ 358 AwtComponent* AwtComponent::GetComponent(HWND hWnd) { 359 // Requests for Toolkit hwnd resolution happen pretty often. Check first. 360 if (hWnd == AwtToolkit::GetInstance().GetHWnd()) { 361 return NULL; 362 } 363 364 // check that it's an AWT component from the same toolkit as the caller 365 if (::IsWindow(hWnd) && 366 AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL)) 367 { 368 DASSERT(WmAwtIsComponent != 0); 369 if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) { 370 return GetComponentImpl(hWnd); 371 } 372 } 373 return NULL; 374 } 375 376 /* 377 * static function to get AwtComponent pointer from hWnd-- 378 * different from GetComponent because caller knows the 379 * hwnd is an AWT component hwnd 380 */ 381 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) { 382 AwtComponent *component = 383 (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA); 384 DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) ); 385 DASSERT(!component || component->GetHWnd() == hWnd ); 386 return component; 387 } 388 389 /* 390 * Single window proc for all the components. Delegates real work to 391 * the component's WindowProc() member function. 392 */ 393 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message, 394 WPARAM wParam, LPARAM lParam) 395 { 396 TRY; 397 398 AwtComponent * self = AwtComponent::GetComponentImpl(hWnd); 399 if (self == NULL || self->GetHWnd() != hWnd || 400 message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully 401 { 402 return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam); 403 } else { 404 return self->WindowProc(message, wParam, lParam); 405 } 406 407 CATCH_BAD_ALLOC_RET(0); 408 } 409 410 BOOL AwtComponent::IsFocusable() { 411 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 412 jobject peer = GetPeer(env); 413 jobject target = env->GetObjectField(peer, AwtObject::targetID); 414 BOOL res = env->GetBooleanField(target, focusableID); 415 AwtWindow *pCont = GetContainer(); 416 if (pCont) { 417 res &= pCont->IsFocusableWindow(); 418 } 419 env->DeleteLocalRef(target); 420 return res; 421 } 422 423 /************************************************************************ 424 * AwtComponent dynamic methods 425 * 426 * Window class registration routines 427 */ 428 429 /* 430 * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon 431 */ 432 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc) 433 { 434 lpwc->cbSize = sizeof(WNDCLASSEX); 435 lpwc->style = 0L;//CS_OWNDC; 436 lpwc->lpfnWndProc = (WNDPROC)::DefWindowProc; 437 lpwc->cbClsExtra = 0; 438 lpwc->cbWndExtra = 0; 439 lpwc->hInstance = AwtToolkit::GetInstance().GetModuleHandle(), 440 lpwc->hIcon = AwtToolkit::GetInstance().GetAwtIcon(); 441 lpwc->hCursor = NULL; 442 lpwc->hbrBackground = NULL; 443 lpwc->lpszMenuName = NULL; 444 lpwc->lpszClassName = GetClassName(); 445 //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32 446 lpwc->hIconSm = AwtToolkit::GetInstance().GetAwtIconSm(); 447 } 448 449 void AwtComponent::RegisterClass() 450 { 451 WNDCLASSEX wc; 452 if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) { 453 FillClassInfo(&wc); 454 ATOM ret = ::RegisterClassEx(&wc); 455 DASSERT(ret != 0); 456 } 457 } 458 459 void AwtComponent::UnregisterClass() 460 { 461 ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle()); 462 } 463 464 /* 465 * Copy the graphicsConfig reference from Component into WComponentPeer 466 */ 467 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer) 468 { 469 jobject target = env->GetObjectField(peer, AwtObject::targetID); 470 //Get graphicsConfig object ref from Component 471 jobject compGC = env->GetObjectField(target, 472 AwtComponent::graphicsConfigID); 473 474 //Set peer's graphicsConfig to Component's graphicsConfig 475 if (compGC != NULL) { 476 jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig"); 477 DASSERT(win32GCCls != NULL); 478 DASSERT(env->IsInstanceOf(compGC, win32GCCls)); 479 if (win32GCCls == NULL) { 480 throw std::bad_alloc(); 481 } 482 env->SetObjectField(peer, AwtComponent::peerGCID, compGC); 483 } 484 } 485 486 void 487 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title, 488 DWORD windowStyle, 489 DWORD windowExStyle, 490 int x, int y, int w, int h, 491 HWND hWndParent, HMENU hMenu, 492 COLORREF colorForeground, 493 COLORREF colorBackground, 494 jobject peer) 495 { 496 if (env->EnsureLocalCapacity(2) < 0) { 497 return; 498 } 499 500 /* 501 * The window class of multifont label must be "BUTTON" because 502 * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject 503 * member is referred in the GetClassName method of AwtLabel class. 504 * So m_peerObject member must be set here. 505 */ 506 if (m_peerObject == NULL) { 507 m_peerObject = env->NewGlobalRef(peer); 508 } else { 509 assert(env->IsSameObject(m_peerObject, peer)); 510 } 511 512 RegisterClass(); 513 514 jobject target = env->GetObjectField(peer, AwtObject::targetID); 515 jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID); 516 m_visible = visible; 517 518 if (visible) { 519 windowStyle |= WS_VISIBLE; 520 } else { 521 windowStyle &= ~WS_VISIBLE; 522 } 523 524 InitPeerGraphicsConfig(env, peer); 525 526 SetLastError(0); 527 HWND hwnd = ::CreateWindowEx(windowExStyle, 528 GetClassName(), 529 title, 530 windowStyle, 531 x, y, w, h, 532 hWndParent, 533 hMenu, 534 AwtToolkit::GetInstance().GetModuleHandle(), 535 NULL); 536 537 // fix for 5088782 538 // check if CreateWindowsEx() returns not null value and if it does - 539 // create an InternalError or OutOfMemoryError based on GetLastError(). 540 // This error is set to createError field of WObjectPeer and then 541 // checked and thrown in WComponentPeer constructor. We can't throw an 542 // error here because this code is invoked on Toolkit thread 543 if (hwnd == NULL) 544 { 545 DWORD dw = ::GetLastError(); 546 jobject createError = NULL; 547 if (dw == ERROR_OUTOFMEMORY) 548 { 549 jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles"); 550 if (errorMsg == NULL || env->ExceptionCheck()) { 551 env->ExceptionClear(); 552 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V"); 553 } else { 554 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", 555 "(Ljava/lang/String;)V", 556 errorMsg); 557 env->DeleteLocalRef(errorMsg); 558 } 559 } 560 else 561 { 562 TCHAR *buf; 563 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 564 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 565 (LPTSTR)&buf, 0, NULL); 566 jstring s = JNU_NewStringPlatform(env, buf); 567 if (s == NULL || env->ExceptionCheck()) { 568 env->ExceptionClear(); 569 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V"); 570 } else { 571 createError = JNU_NewObjectByName(env, "java/lang/InternalError", 572 "(Ljava/lang/String;)V", s); 573 env->DeleteLocalRef(s); 574 } 575 LocalFree(buf); 576 } 577 if (createError != NULL) { 578 env->SetObjectField(peer, AwtObject::createErrorID, createError); 579 env->DeleteLocalRef(createError); 580 } 581 env->DeleteLocalRef(target); 582 return; 583 } 584 585 m_hwnd = hwnd; 586 587 ::ImmAssociateContext(m_hwnd, NULL); 588 589 SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED | 590 (jint)JAWT_LOCK_BOUNDS_CHANGED | 591 (jint)JAWT_LOCK_CLIP_CHANGED); 592 593 LinkObjects(env, peer); 594 595 /* Subclass the window now so that we can snoop on its messages */ 596 SubclassHWND(); 597 598 AwtToolkit& tk = AwtToolkit::GetInstance(); 599 if (tk.IsWin8OrLater() && tk.IsTouchKeyboardAutoShowEnabled()) { 600 tk.TIRegisterTouchWindow(GetHWnd(), TWF_WANTPALM); 601 } 602 603 /* 604 * Fix for 4046446. 605 */ 606 SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE); 607 608 /* Set default colors. */ 609 m_colorForeground = colorForeground; 610 m_colorBackground = colorBackground; 611 612 /* 613 * Only set background color if the color is actually set on the 614 * target -- this avoids inheriting a parent's color unnecessarily, 615 * and has to be done here because there isn't an API to get the 616 * real background color from outside the AWT package. 617 */ 618 jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ; 619 if (bkgrd != NULL) { 620 JNU_CallMethodByName(env, NULL, peer, "setBackground", 621 "(Ljava/awt/Color;)V", bkgrd); 622 DASSERT(!safe_ExceptionOccurred(env)); 623 } 624 env->DeleteLocalRef(target); 625 env->DeleteLocalRef(bkgrd); 626 } 627 628 /* 629 * Destroy this window's HWND 630 */ 631 void AwtComponent::DestroyHWnd() { 632 if (m_hwnd != NULL) { 633 AwtToolkit::DestroyComponentHWND(m_hwnd); 634 //AwtToolkit::DestroyComponent(this); 635 m_hwnd = NULL; 636 } 637 } 638 639 /* 640 * Returns hwnd for target on non Toolkit thread 641 */ 642 HWND 643 AwtComponent::GetHWnd(JNIEnv* env, jobject target) { 644 if (JNU_IsNull(env, target)) { 645 return 0; 646 } 647 jobject peer = env->GetObjectField(target, AwtComponent::peerID); 648 if (JNU_IsNull(env, peer)) { 649 return 0; 650 } 651 HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> ( 652 env->GetLongField(peer, AwtComponent::hwndID))); 653 env->DeleteLocalRef(peer); 654 return hwnd; 655 } 656 // 657 // Propagate the background color to synchronize Java field and peer's field. 658 // This is needed to fix 4148334 659 // 660 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target) 661 { 662 if (env->EnsureLocalCapacity(1) < 0) { 663 return; 664 } 665 666 jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID); 667 668 if (bkgrnd == NULL) { 669 bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V", 670 GetRValue(m_colorBackground), 671 GetGValue(m_colorBackground), 672 GetBValue(m_colorBackground)); 673 if (bkgrnd != NULL) { 674 env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd); 675 } 676 } 677 env->DeleteLocalRef(bkgrnd); 678 } 679 680 /* 681 * Install our window proc as the proc for our HWND, and save off the 682 * previous proc as the default 683 */ 684 void AwtComponent::SubclassHWND() 685 { 686 if (m_bSubclassed) { 687 return; 688 } 689 const WNDPROC wndproc = WndProc; // let compiler type check WndProc 690 m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc); 691 m_bSubclassed = TRUE; 692 } 693 694 /* 695 * Reinstall the original window proc as the proc for our HWND 696 */ 697 void AwtComponent::UnsubclassHWND() 698 { 699 if (!m_bSubclassed) { 700 return; 701 } 702 ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc); 703 m_bSubclassed = FALSE; 704 } 705 706 ///////////////////////////////////// 707 // (static method) 708 // Determines the top-level ancestor for a given window. If the given 709 // window is a top-level window, return itself. 710 // 711 // 'Top-level' includes dialogs as well. 712 // 713 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) { 714 if (hwndDescendant == NULL) { 715 return NULL; 716 } 717 718 DASSERT(IsWindow(hwndDescendant)); 719 HWND hwnd = hwndDescendant; 720 for(;;) { 721 DWORD style = ::GetWindowLong(hwnd, GWL_STYLE); 722 // a) found a non-child window so terminate 723 // b) found real toplevel window (e.g. EmbeddedFrame 724 // that is child though) 725 if ( (style & WS_CHILD) == 0 || 726 AwtComponent::IsTopLevelHWnd(hwnd) ) 727 { 728 break; 729 } 730 hwnd = ::GetParent(hwnd); 731 } 732 733 return hwnd; 734 } 735 //////////////////// 736 737 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) { 738 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 739 if (env->EnsureLocalCapacity(1) < 0) { 740 return NULL; 741 } 742 743 HWND hit = NULL; 744 POINT p = { 0, 0 }; 745 AwtComponent *comp = NULL; 746 747 if (useCache) { 748 if (sm_cursorOn == NULL) { 749 return NULL; 750 } 751 752 753 DASSERT(::IsWindow(sm_cursorOn)); 754 VERIFY(::GetCursorPos(&p)); 755 /* 756 * Fix for BugTraq ID 4304024. 757 * Allow a non-default cursor only for the client area. 758 */ 759 comp = AwtComponent::GetComponent(sm_cursorOn); 760 if (comp != NULL && 761 ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0, 762 MAKELPARAM(p.x, p.y)) == HTCLIENT) { 763 goto found; 764 } 765 } 766 767 ::GetCursorPos(&p); 768 hit = ::WindowFromPoint(p); 769 while (hit != NULL) { 770 comp = AwtComponent::GetComponent(hit); 771 772 if (comp != NULL) { 773 INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST, 774 0, MAKELPARAM(p.x, p.y)); 775 /* 776 * Fix for BugTraq ID 4304024. 777 * Allow a non-default cursor only for the client area. 778 */ 779 if (nHittest != HTCLIENT) { 780 /* 781 * When over the non-client area, send WM_SETCURSOR 782 * to revert the cursor to an arrow. 783 */ 784 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit, 785 MAKELPARAM(nHittest, WM_MOUSEMOVE)); 786 return NULL; 787 } else { 788 sm_cursorOn = hit; 789 goto found; 790 } 791 } 792 793 if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) { 794 return NULL; 795 } 796 hit = ::GetParent(hit); 797 } 798 799 return NULL; 800 801 found: 802 jobject localRef = comp->GetTarget(env); 803 jobject globalRef = env->NewGlobalRef(localRef); 804 env->DeleteLocalRef(localRef); 805 return globalRef; 806 } 807 808 void AwtComponent::SetColor(COLORREF c) 809 { 810 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 811 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen); 812 if (grayscale != GS_NOTGRAY) { 813 int g; 814 815 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) + 816 .114 * ((c >> 16) & 0xFF) + 0.5); 817 // c = g | (g << 8) | (g << 16); 818 c = PALETTERGB(g, g, g); 819 } 820 821 if (m_colorForeground == c) { 822 return; 823 } 824 825 m_colorForeground = c; 826 if (m_penForeground != NULL) { 827 m_penForeground->Release(); 828 m_penForeground = NULL; 829 } 830 VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE)); 831 } 832 833 void AwtComponent::SetBackgroundColor(COLORREF c) 834 { 835 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 836 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen); 837 if (grayscale != GS_NOTGRAY) { 838 int g; 839 840 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) + 841 .114 * ((c >> 16) & 0xFF) + 0.5); 842 // c = g | (g << 8) | (g << 16); 843 c = PALETTERGB(g, g, g); 844 } 845 846 if (m_colorBackground == c) { 847 return; 848 } 849 m_colorBackground = c; 850 m_backgroundColorSet = TRUE; 851 if (m_brushBackground != NULL) { 852 m_brushBackground->Release(); 853 m_brushBackground = NULL; 854 } 855 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE)); 856 } 857 858 HPEN AwtComponent::GetForegroundPen() 859 { 860 if (m_penForeground == NULL) { 861 m_penForeground = AwtPen::Get(m_colorForeground); 862 } 863 return (HPEN)m_penForeground->GetHandle(); 864 } 865 866 COLORREF AwtComponent::GetBackgroundColor() 867 { 868 if (m_backgroundColorSet == FALSE) { 869 AwtComponent* c = this; 870 while ((c = c->GetParent()) != NULL) { 871 if (c->IsBackgroundColorSet()) { 872 return c->GetBackgroundColor(); 873 } 874 } 875 } 876 return m_colorBackground; 877 } 878 879 HBRUSH AwtComponent::GetBackgroundBrush() 880 { 881 if (m_backgroundColorSet == FALSE) { 882 if (m_brushBackground != NULL) { 883 m_brushBackground->Release(); 884 m_brushBackground = NULL; 885 } 886 AwtComponent* c = this; 887 while ((c = c->GetParent()) != NULL) { 888 if (c->IsBackgroundColorSet()) { 889 m_brushBackground = 890 AwtBrush::Get(c->GetBackgroundColor()); 891 break; 892 } 893 } 894 } 895 if (m_brushBackground == NULL) { 896 m_brushBackground = AwtBrush::Get(m_colorBackground); 897 } 898 return (HBRUSH)m_brushBackground->GetHandle(); 899 } 900 901 void AwtComponent::SetFont(AwtFont* font) 902 { 903 DASSERT(font != NULL); 904 if (font->GetAscent() < 0) { 905 AwtFont::SetupAscent(font); 906 } 907 SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0)); 908 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE)); 909 } 910 911 AwtComponent* AwtComponent::GetParent() 912 { 913 HWND hwnd = ::GetParent(GetHWnd()); 914 if (hwnd == NULL) { 915 return NULL; 916 } 917 return GetComponent(hwnd); 918 } 919 920 AwtWindow* AwtComponent::GetContainer() 921 { 922 AwtComponent* comp = this; 923 while (comp != NULL) { 924 if (comp->IsContainer()) { 925 return (AwtWindow*)comp; 926 } 927 comp = comp->GetParent(); 928 } 929 return NULL; 930 } 931 932 void AwtComponent::Show() 933 { 934 m_visible = true; 935 ::ShowWindow(GetHWnd(), SW_SHOWNA); 936 } 937 938 void AwtComponent::Hide() 939 { 940 m_visible = false; 941 ::ShowWindow(GetHWnd(), SW_HIDE); 942 } 943 944 BOOL 945 AwtComponent::SetWindowPos(HWND wnd, HWND after, 946 int x, int y, int w, int h, UINT flags) 947 { 948 // Conditions we shouldn't handle: 949 // z-order changes, correct window dimensions 950 if (after != NULL || (w < 32767 && h < 32767) 951 || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0)) 952 { 953 return ::SetWindowPos(wnd, after, x, y, w, h, flags); 954 } 955 WINDOWPLACEMENT wp; 956 ::ZeroMemory(&wp, sizeof(wp)); 957 958 wp.length = sizeof(wp); 959 ::GetWindowPlacement(wnd, &wp); 960 wp.rcNormalPosition.left = x; 961 wp.rcNormalPosition.top = y; 962 wp.rcNormalPosition.right = x + w; 963 wp.rcNormalPosition.bottom = y + h; 964 if ( flags & SWP_NOACTIVATE ) { 965 wp.showCmd = SW_SHOWNOACTIVATE; 966 } 967 ::SetWindowPlacement(wnd, &wp); 968 return 1; 969 } 970 971 void AwtComponent::Reshape(int x, int y, int w, int h) { 972 ReshapeNoScale(ScaleUpX(x), ScaleUpY(y), ScaleUpX(w), ScaleUpY(h)); 973 } 974 975 void AwtComponent::ReshapeNoScale(int x, int y, int w, int h) 976 { 977 #if defined(DEBUG) 978 RECT rc; 979 ::GetWindowRect(GetHWnd(), &rc); 980 ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2); 981 DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top); 982 #endif 983 984 AwtWindow* container = GetContainer(); 985 AwtComponent* parent = GetParent(); 986 if (container != NULL && container == parent) { 987 container->SubtractInsetPoint(x, y); 988 } 989 DTRACE_PRINTLN4("AwtComponent::Reshape to %d, %d, %d, %d", x, y, w, h); 990 UINT flags = SWP_NOACTIVATE | SWP_NOZORDER; 991 992 RECT r; 993 994 ::GetWindowRect(GetHWnd(), &r); 995 // if the component size is changing , don't copy window bits 996 if (r.right - r.left != w || r.bottom - r.top != h) { 997 flags |= SWP_NOCOPYBITS; 998 } 999 1000 if (parent && _tcscmp(parent->GetClassName(), TEXT("SunAwtScrollPane")) == 0) { 1001 if (x > 0) { 1002 x = 0; 1003 } 1004 if (y > 0) { 1005 y = 0; 1006 } 1007 } 1008 if (m_hdwp != NULL) { 1009 m_hdwp = ::DeferWindowPos(m_hdwp, GetHWnd(), 0, x, y, w, h, flags); 1010 DASSERT(m_hdwp != NULL); 1011 } else { 1012 /* 1013 * Fox for 4046446 1014 * If window has dimensions above the short int limit, ::SetWindowPos doesn't work. 1015 * We should use SetWindowPlacement instead. 1016 */ 1017 SetWindowPos(GetHWnd(), 0, x, y, w, h, flags); 1018 } 1019 } 1020 1021 void AwtComponent::SetScrollValues(UINT bar, int min, int value, int max) 1022 { 1023 int minTmp, maxTmp; 1024 1025 ::GetScrollRange(GetHWnd(), bar, &minTmp, &maxTmp); 1026 if (min == INT_MAX) { 1027 min = minTmp; 1028 } 1029 if (value == INT_MAX) { 1030 value = ::GetScrollPos(GetHWnd(), bar); 1031 } 1032 if (max == INT_MAX) { 1033 max = maxTmp; 1034 } 1035 if (min == max) { 1036 max++; 1037 } 1038 ::SetScrollRange(GetHWnd(), bar, min, max, FALSE); 1039 ::SetScrollPos(GetHWnd(), bar, value, TRUE); 1040 } 1041 1042 /* 1043 * Save Global Reference of sun.awt.windows.WInputMethod object 1044 */ 1045 void AwtComponent::SetInputMethod(jobject im, BOOL useNativeCompWindow) 1046 { 1047 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 1048 1049 if (m_InputMethod!=NULL) 1050 env->DeleteGlobalRef(m_InputMethod); 1051 1052 if (im!=NULL){ 1053 m_InputMethod = env->NewGlobalRef(im); 1054 m_useNativeCompWindow = useNativeCompWindow; 1055 } else { 1056 m_InputMethod = NULL; 1057 m_useNativeCompWindow = TRUE; 1058 } 1059 1060 } 1061 1062 /* 1063 * Opportunity to process and/or eat a message before it is dispatched 1064 */ 1065 MsgRouting AwtComponent::PreProcessMsg(MSG& msg) 1066 { 1067 return mrPassAlong; 1068 } 1069 1070 static UINT lastMessage = WM_NULL; 1071 1072 #ifndef SPY_MESSAGES 1073 #define SpyWinMessage(hwin,msg,str) 1074 #else 1075 1076 #define FMT_MSG(x,y) case x: _stprintf(szBuf, \ 1077 "0x%8.8x(%s):%s\n", hwnd, szComment, y); break; 1078 #define WIN_MSG(x) FMT_MSG(x,#x) 1079 1080 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) { 1081 1082 TCHAR szBuf[256]; 1083 1084 switch (message) { 1085 WIN_MSG(WM_NULL) 1086 WIN_MSG(WM_CREATE) 1087 WIN_MSG(WM_DESTROY) 1088 WIN_MSG(WM_MOVE) 1089 WIN_MSG(WM_SIZE) 1090 WIN_MSG(WM_ACTIVATE) 1091 WIN_MSG(WM_SETFOCUS) 1092 WIN_MSG(WM_KILLFOCUS) 1093 WIN_MSG(WM_ENABLE) 1094 WIN_MSG(WM_SETREDRAW) 1095 WIN_MSG(WM_SETTEXT) 1096 WIN_MSG(WM_GETTEXT) 1097 WIN_MSG(WM_GETTEXTLENGTH) 1098 WIN_MSG(WM_PAINT) 1099 WIN_MSG(WM_CLOSE) 1100 WIN_MSG(WM_QUERYENDSESSION) 1101 WIN_MSG(WM_QUIT) 1102 WIN_MSG(WM_QUERYOPEN) 1103 WIN_MSG(WM_ERASEBKGND) 1104 WIN_MSG(WM_SYSCOLORCHANGE) 1105 WIN_MSG(WM_ENDSESSION) 1106 WIN_MSG(WM_SHOWWINDOW) 1107 FMT_MSG(WM_WININICHANGE,"WM_WININICHANGE/WM_SETTINGCHANGE") 1108 WIN_MSG(WM_DEVMODECHANGE) 1109 WIN_MSG(WM_ACTIVATEAPP) 1110 WIN_MSG(WM_FONTCHANGE) 1111 WIN_MSG(WM_TIMECHANGE) 1112 WIN_MSG(WM_CANCELMODE) 1113 WIN_MSG(WM_SETCURSOR) 1114 WIN_MSG(WM_MOUSEACTIVATE) 1115 WIN_MSG(WM_CHILDACTIVATE) 1116 WIN_MSG(WM_QUEUESYNC) 1117 WIN_MSG(WM_GETMINMAXINFO) 1118 WIN_MSG(WM_PAINTICON) 1119 WIN_MSG(WM_ICONERASEBKGND) 1120 WIN_MSG(WM_NEXTDLGCTL) 1121 WIN_MSG(WM_SPOOLERSTATUS) 1122 WIN_MSG(WM_DRAWITEM) 1123 WIN_MSG(WM_MEASUREITEM) 1124 WIN_MSG(WM_DELETEITEM) 1125 WIN_MSG(WM_VKEYTOITEM) 1126 WIN_MSG(WM_CHARTOITEM) 1127 WIN_MSG(WM_SETFONT) 1128 WIN_MSG(WM_GETFONT) 1129 WIN_MSG(WM_SETHOTKEY) 1130 WIN_MSG(WM_GETHOTKEY) 1131 WIN_MSG(WM_QUERYDRAGICON) 1132 WIN_MSG(WM_COMPAREITEM) 1133 FMT_MSG(0x003D, "WM_GETOBJECT") 1134 WIN_MSG(WM_COMPACTING) 1135 WIN_MSG(WM_COMMNOTIFY) 1136 WIN_MSG(WM_WINDOWPOSCHANGING) 1137 WIN_MSG(WM_WINDOWPOSCHANGED) 1138 WIN_MSG(WM_POWER) 1139 WIN_MSG(WM_COPYDATA) 1140 WIN_MSG(WM_CANCELJOURNAL) 1141 WIN_MSG(WM_NOTIFY) 1142 WIN_MSG(WM_INPUTLANGCHANGEREQUEST) 1143 WIN_MSG(WM_INPUTLANGCHANGE) 1144 WIN_MSG(WM_TCARD) 1145 WIN_MSG(WM_HELP) 1146 WIN_MSG(WM_USERCHANGED) 1147 WIN_MSG(WM_NOTIFYFORMAT) 1148 WIN_MSG(WM_CONTEXTMENU) 1149 WIN_MSG(WM_STYLECHANGING) 1150 WIN_MSG(WM_STYLECHANGED) 1151 WIN_MSG(WM_DISPLAYCHANGE) 1152 WIN_MSG(WM_GETICON) 1153 WIN_MSG(WM_SETICON) 1154 WIN_MSG(WM_NCCREATE) 1155 WIN_MSG(WM_NCDESTROY) 1156 WIN_MSG(WM_NCCALCSIZE) 1157 WIN_MSG(WM_NCHITTEST) 1158 WIN_MSG(WM_NCPAINT) 1159 WIN_MSG(WM_NCACTIVATE) 1160 WIN_MSG(WM_GETDLGCODE) 1161 WIN_MSG(WM_SYNCPAINT) 1162 WIN_MSG(WM_NCMOUSEMOVE) 1163 WIN_MSG(WM_NCLBUTTONDOWN) 1164 WIN_MSG(WM_NCLBUTTONUP) 1165 WIN_MSG(WM_NCLBUTTONDBLCLK) 1166 WIN_MSG(WM_NCRBUTTONDOWN) 1167 WIN_MSG(WM_NCRBUTTONUP) 1168 WIN_MSG(WM_NCRBUTTONDBLCLK) 1169 WIN_MSG(WM_NCMBUTTONDOWN) 1170 WIN_MSG(WM_NCMBUTTONUP) 1171 WIN_MSG(WM_NCMBUTTONDBLCLK) 1172 WIN_MSG(WM_KEYDOWN) 1173 WIN_MSG(WM_KEYUP) 1174 WIN_MSG(WM_CHAR) 1175 WIN_MSG(WM_DEADCHAR) 1176 WIN_MSG(WM_SYSKEYDOWN) 1177 WIN_MSG(WM_SYSKEYUP) 1178 WIN_MSG(WM_SYSCHAR) 1179 WIN_MSG(WM_SYSDEADCHAR) 1180 WIN_MSG(WM_IME_STARTCOMPOSITION) 1181 WIN_MSG(WM_IME_ENDCOMPOSITION) 1182 WIN_MSG(WM_IME_COMPOSITION) 1183 WIN_MSG(WM_INITDIALOG) 1184 WIN_MSG(WM_COMMAND) 1185 WIN_MSG(WM_SYSCOMMAND) 1186 WIN_MSG(WM_TIMER) 1187 WIN_MSG(WM_HSCROLL) 1188 WIN_MSG(WM_VSCROLL) 1189 WIN_MSG(WM_INITMENU) 1190 WIN_MSG(WM_INITMENUPOPUP) 1191 WIN_MSG(WM_MENUSELECT) 1192 WIN_MSG(WM_MENUCHAR) 1193 WIN_MSG(WM_ENTERIDLE) 1194 FMT_MSG(0x0122, "WM_MENURBUTTONUP") 1195 FMT_MSG(0x0123, "WM_MENUDRAG") 1196 FMT_MSG(0x0124, "WM_MENUGETOBJECT") 1197 FMT_MSG(0x0125, "WM_UNINITMENUPOPUP") 1198 FMT_MSG(0x0126, "WM_MENUCOMMAND") 1199 WIN_MSG(WM_CTLCOLORMSGBOX) 1200 WIN_MSG(WM_CTLCOLOREDIT) 1201 WIN_MSG(WM_CTLCOLORLISTBOX) 1202 WIN_MSG(WM_CTLCOLORBTN) 1203 WIN_MSG(WM_CTLCOLORDLG) 1204 WIN_MSG(WM_CTLCOLORSCROLLBAR) 1205 WIN_MSG(WM_CTLCOLORSTATIC) 1206 WIN_MSG(WM_MOUSEMOVE) 1207 WIN_MSG(WM_LBUTTONDOWN) 1208 WIN_MSG(WM_LBUTTONUP) 1209 WIN_MSG(WM_LBUTTONDBLCLK) 1210 WIN_MSG(WM_RBUTTONDOWN) 1211 WIN_MSG(WM_RBUTTONUP) 1212 WIN_MSG(WM_RBUTTONDBLCLK) 1213 WIN_MSG(WM_MBUTTONDOWN) 1214 WIN_MSG(WM_MBUTTONUP) 1215 WIN_MSG(WM_MBUTTONDBLCLK) 1216 WIN_MSG(WM_XBUTTONDBLCLK) 1217 WIN_MSG(WM_XBUTTONDOWN) 1218 WIN_MSG(WM_XBUTTONUP) 1219 WIN_MSG(WM_MOUSEWHEEL) 1220 WIN_MSG(WM_MOUSEHWHEEL) 1221 WIN_MSG(WM_PARENTNOTIFY) 1222 WIN_MSG(WM_ENTERMENULOOP) 1223 WIN_MSG(WM_EXITMENULOOP) 1224 WIN_MSG(WM_NEXTMENU) 1225 WIN_MSG(WM_SIZING) 1226 WIN_MSG(WM_CAPTURECHANGED) 1227 WIN_MSG(WM_MOVING) 1228 WIN_MSG(WM_POWERBROADCAST) 1229 WIN_MSG(WM_DEVICECHANGE) 1230 WIN_MSG(WM_MDICREATE) 1231 WIN_MSG(WM_MDIDESTROY) 1232 WIN_MSG(WM_MDIACTIVATE) 1233 WIN_MSG(WM_MDIRESTORE) 1234 WIN_MSG(WM_MDINEXT) 1235 WIN_MSG(WM_MDIMAXIMIZE) 1236 WIN_MSG(WM_MDITILE) 1237 WIN_MSG(WM_MDICASCADE) 1238 WIN_MSG(WM_MDIICONARRANGE) 1239 WIN_MSG(WM_MDIGETACTIVE) 1240 WIN_MSG(WM_MDISETMENU) 1241 WIN_MSG(WM_ENTERSIZEMOVE) 1242 WIN_MSG(WM_EXITSIZEMOVE) 1243 WIN_MSG(WM_DROPFILES) 1244 WIN_MSG(WM_MDIREFRESHMENU) 1245 WIN_MSG(WM_IME_SETCONTEXT) 1246 WIN_MSG(WM_IME_NOTIFY) 1247 WIN_MSG(WM_IME_CONTROL) 1248 WIN_MSG(WM_IME_COMPOSITIONFULL) 1249 WIN_MSG(WM_IME_SELECT) 1250 WIN_MSG(WM_IME_CHAR) 1251 FMT_MSG(WM_IME_REQUEST) 1252 WIN_MSG(WM_IME_KEYDOWN) 1253 WIN_MSG(WM_IME_KEYUP) 1254 FMT_MSG(0x02A1, "WM_MOUSEHOVER") 1255 FMT_MSG(0x02A3, "WM_MOUSELEAVE") 1256 WIN_MSG(WM_CUT) 1257 WIN_MSG(WM_COPY) 1258 WIN_MSG(WM_PASTE) 1259 WIN_MSG(WM_CLEAR) 1260 WIN_MSG(WM_UNDO) 1261 WIN_MSG(WM_RENDERFORMAT) 1262 WIN_MSG(WM_RENDERALLFORMATS) 1263 WIN_MSG(WM_DESTROYCLIPBOARD) 1264 WIN_MSG(WM_DRAWCLIPBOARD) 1265 WIN_MSG(WM_PAINTCLIPBOARD) 1266 WIN_MSG(WM_VSCROLLCLIPBOARD) 1267 WIN_MSG(WM_SIZECLIPBOARD) 1268 WIN_MSG(WM_ASKCBFORMATNAME) 1269 WIN_MSG(WM_CHANGECBCHAIN) 1270 WIN_MSG(WM_HSCROLLCLIPBOARD) 1271 WIN_MSG(WM_QUERYNEWPALETTE) 1272 WIN_MSG(WM_PALETTEISCHANGING) 1273 WIN_MSG(WM_PALETTECHANGED) 1274 WIN_MSG(WM_HOTKEY) 1275 WIN_MSG(WM_PRINT) 1276 WIN_MSG(WM_PRINTCLIENT) 1277 WIN_MSG(WM_HANDHELDFIRST) 1278 WIN_MSG(WM_HANDHELDLAST) 1279 WIN_MSG(WM_AFXFIRST) 1280 WIN_MSG(WM_AFXLAST) 1281 WIN_MSG(WM_PENWINFIRST) 1282 WIN_MSG(WM_PENWINLAST) 1283 WIN_MSG(WM_AWT_COMPONENT_CREATE) 1284 WIN_MSG(WM_AWT_DESTROY_WINDOW) 1285 WIN_MSG(WM_AWT_MOUSEENTER) 1286 WIN_MSG(WM_AWT_MOUSEEXIT) 1287 WIN_MSG(WM_AWT_COMPONENT_SHOW) 1288 WIN_MSG(WM_AWT_COMPONENT_HIDE) 1289 WIN_MSG(WM_AWT_COMPONENT_SETFOCUS) 1290 WIN_MSG(WM_AWT_WINDOW_SETACTIVE) 1291 WIN_MSG(WM_AWT_LIST_SETMULTISELECT) 1292 WIN_MSG(WM_AWT_HANDLE_EVENT) 1293 WIN_MSG(WM_AWT_PRINT_COMPONENT) 1294 WIN_MSG(WM_AWT_RESHAPE_COMPONENT) 1295 WIN_MSG(WM_AWT_SETALWAYSONTOP) 1296 WIN_MSG(WM_AWT_BEGIN_VALIDATE) 1297 WIN_MSG(WM_AWT_END_VALIDATE) 1298 WIN_MSG(WM_AWT_FORWARD_CHAR) 1299 WIN_MSG(WM_AWT_FORWARD_BYTE) 1300 WIN_MSG(WM_AWT_SET_SCROLL_INFO) 1301 WIN_MSG(WM_AWT_CREATECONTEXT) 1302 WIN_MSG(WM_AWT_DESTROYCONTEXT) 1303 WIN_MSG(WM_AWT_ASSOCIATECONTEXT) 1304 WIN_MSG(WM_AWT_GET_DEFAULT_IME_HANDLER) 1305 WIN_MSG(WM_AWT_HANDLE_NATIVE_IME_EVENT) 1306 WIN_MSG(WM_AWT_PRE_KEYDOWN) 1307 WIN_MSG(WM_AWT_PRE_KEYUP) 1308 WIN_MSG(WM_AWT_PRE_SYSKEYDOWN) 1309 WIN_MSG(WM_AWT_PRE_SYSKEYUP) 1310 WIN_MSG(WM_AWT_ENDCOMPOSITION,) 1311 WIN_MSG(WM_AWT_DISPOSE,) 1312 WIN_MSG(WM_AWT_DELETEOBJECT,) 1313 WIN_MSG(WM_AWT_SETCONVERSIONSTATUS,) 1314 WIN_MSG(WM_AWT_GETCONVERSIONSTATUS,) 1315 WIN_MSG(WM_AWT_SETOPENSTATUS,) 1316 WIN_MSG(WM_AWT_GETOPENSTATUS) 1317 WIN_MSG(WM_AWT_ACTIVATEKEYBOARDLAYOUT) 1318 WIN_MSG(WM_AWT_OPENCANDIDATEWINDOW) 1319 WIN_MSG(WM_AWT_DLG_SHOWMODAL,) 1320 WIN_MSG(WM_AWT_DLG_ENDMODAL,) 1321 WIN_MSG(WM_AWT_SETCURSOR,) 1322 WIN_MSG(WM_AWT_WAIT_FOR_SINGLE_OBJECT,) 1323 WIN_MSG(WM_AWT_INVOKE_METHOD,) 1324 WIN_MSG(WM_AWT_INVOKE_VOID_METHOD,) 1325 WIN_MSG(WM_AWT_EXECUTE_SYNC,) 1326 WIN_MSG(WM_AWT_CURSOR_SYNC) 1327 WIN_MSG(WM_AWT_GETDC) 1328 WIN_MSG(WM_AWT_RELEASEDC) 1329 WIN_MSG(WM_AWT_RELEASE_ALL_DCS) 1330 WIN_MSG(WM_AWT_SHOWCURSOR) 1331 WIN_MSG(WM_AWT_HIDECURSOR) 1332 WIN_MSG(WM_AWT_CREATE_PRINTED_PIXELS) 1333 WIN_MSG(WM_AWT_OBJECTLISTCLEANUP) 1334 default: 1335 sprintf(szBuf, "0x%8.8x(%s):Unknown message 0x%8.8x\n", 1336 hwnd, szComment, message); 1337 break; 1338 } 1339 printf(szBuf); 1340 } 1341 1342 #endif /* SPY_MESSAGES */ 1343 1344 /* 1345 * Dispatch messages for this window class--general component 1346 */ 1347 LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) 1348 { 1349 CounterHelper ch(&m_MessagesProcessing); 1350 1351 JNILocalFrame lframe(AwtToolkit::GetEnv(), 10); 1352 SpyWinMessage(GetHWnd(), message, 1353 (message == WM_AWT_RELEASE_ALL_DCS) ? TEXT("Disposed Component") : GetClassName()); 1354 1355 LRESULT retValue = 0; 1356 MsgRouting mr = mrDoDefault; 1357 AwtToolkit::GetInstance().eventNumber++; 1358 1359 static BOOL ignoreNextLBTNUP = FALSE; //Ignore next LBUTTONUP msg? 1360 1361 lastMessage = message; 1362 1363 if (message == WmAwtIsComponent) { 1364 // special message to identify AWT HWND's without using 1365 // resource hogging ::SetProp 1366 return (LRESULT)TRUE; 1367 } 1368 1369 DWORD curPos = 0; 1370 1371 UINT switchMessage = message; 1372 switch (switchMessage) { 1373 case WM_AWT_GETDC: 1374 { 1375 HDC hDC; 1376 // First, release the DCs scheduled for deletion 1377 ReleaseDCList(GetHWnd(), passiveDCList); 1378 1379 GetDCReturnStruct *returnStruct = new GetDCReturnStruct; 1380 returnStruct->gdiLimitReached = FALSE; 1381 if (AwtGDIObject::IncrementIfAvailable()) { 1382 hDC = ::GetDCEx(GetHWnd(), NULL, 1383 DCX_CACHE | DCX_CLIPCHILDREN | 1384 DCX_CLIPSIBLINGS); 1385 if (hDC != NULL) { 1386 // Add new DC to list of DC's associated with this Component 1387 activeDCList.AddDC(hDC, GetHWnd()); 1388 } else { 1389 // Creation failed; decrement counter in AwtGDIObject 1390 AwtGDIObject::Decrement(); 1391 } 1392 } else { 1393 hDC = NULL; 1394 returnStruct->gdiLimitReached = TRUE; 1395 } 1396 returnStruct->hDC = hDC; 1397 retValue = (LRESULT)returnStruct; 1398 mr = mrConsume; 1399 break; 1400 } 1401 case WM_AWT_RELEASEDC: 1402 { 1403 HDC hDC = (HDC)wParam; 1404 MoveDCToPassiveList(hDC, GetHWnd()); 1405 ReleaseDCList(GetHWnd(), passiveDCList); 1406 mr = mrConsume; 1407 break; 1408 } 1409 case WM_AWT_RELEASE_ALL_DCS: 1410 { 1411 // Called during Component destruction. Gets current list of 1412 // DC's associated with Component and releases each DC. 1413 ReleaseDCList(GetHWnd(), activeDCList); 1414 ReleaseDCList(GetHWnd(), passiveDCList); 1415 mr = mrConsume; 1416 break; 1417 } 1418 case WM_AWT_SHOWCURSOR: 1419 ::ShowCursor(TRUE); 1420 break; 1421 case WM_AWT_HIDECURSOR: 1422 ::ShowCursor(FALSE); 1423 break; 1424 case WM_CREATE: mr = WmCreate(); break; 1425 case WM_CLOSE: mr = WmClose(); break; 1426 case WM_DESTROY: mr = WmDestroy(); break; 1427 case WM_NCDESTROY: mr = WmNcDestroy(); break; 1428 1429 case WM_ERASEBKGND: 1430 mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break; 1431 case WM_PAINT: 1432 CheckFontSmoothingSettings(GetHWnd()); 1433 /* Set draw state */ 1434 SetDrawState(GetDrawState() | JAWT_LOCK_CLIP_CHANGED); 1435 mr = WmPaint((HDC)wParam); 1436 break; 1437 1438 case WM_GETMINMAXINFO: 1439 mr = WmGetMinMaxInfo((LPMINMAXINFO)lParam); 1440 break; 1441 1442 case WM_WINDOWPOSCHANGING: 1443 { 1444 // We process this message so that we can synchronize access to 1445 // a moving window. The Scale/Blt functions in Win32BlitLoops 1446 // take the same windowMoveLock to ensure that a window is not 1447 // moving while we are trying to copy pixels into it. 1448 WINDOWPOS *lpPosInfo = (WINDOWPOS *)lParam; 1449 if ((lpPosInfo->flags & (SWP_NOMOVE | SWP_NOSIZE)) != 1450 (SWP_NOMOVE | SWP_NOSIZE)) 1451 { 1452 // Move or Size command. 1453 // Windows tends to send erroneous events that the window 1454 // is about to move when the coordinates are exactly the 1455 // same as the last time. This can cause problems with 1456 // our windowMoveLock CriticalSection because we enter it 1457 // here and never get to WM_WINDOWPOSCHANGED to release it. 1458 // So make sure this is a real move/size event before bothering 1459 // to grab the critical section. 1460 BOOL takeLock = FALSE; 1461 if (!(lpPosInfo->flags & SWP_NOMOVE) && 1462 ((windowMoveLockPosX != lpPosInfo->x) || 1463 (windowMoveLockPosY != lpPosInfo->y))) 1464 { 1465 // Real move event 1466 takeLock = TRUE; 1467 windowMoveLockPosX = lpPosInfo->x; 1468 windowMoveLockPosY = lpPosInfo->y; 1469 } 1470 if (!(lpPosInfo->flags & SWP_NOSIZE) && 1471 ((windowMoveLockPosCX != lpPosInfo->cx) || 1472 (windowMoveLockPosCY != lpPosInfo->cy))) 1473 { 1474 // Real size event 1475 takeLock = TRUE; 1476 windowMoveLockPosCX = lpPosInfo->cx; 1477 windowMoveLockPosCY = lpPosInfo->cy; 1478 } 1479 if (takeLock) { 1480 if (!windowMoveLockHeld) { 1481 windowMoveLock.Enter(); 1482 windowMoveLockHeld = TRUE; 1483 } 1484 } 1485 } 1486 mr = WmWindowPosChanging(lParam); 1487 break; 1488 } 1489 case WM_WINDOWPOSCHANGED: 1490 { 1491 // Release lock grabbed in the POSCHANGING message 1492 if (windowMoveLockHeld) { 1493 windowMoveLockHeld = FALSE; 1494 windowMoveLock.Leave(); 1495 } 1496 mr = WmWindowPosChanged(lParam); 1497 break; 1498 } 1499 case WM_MOVE: { 1500 RECT r; 1501 ::GetWindowRect(GetHWnd(), &r); 1502 mr = WmMove(r.left, r.top); 1503 break; 1504 } 1505 case WM_SIZE: 1506 { 1507 RECT r; 1508 // fix 4128317 : use GetClientRect for full 32-bit int precision and 1509 // to avoid negative client area dimensions overflowing 16-bit params - robi 1510 ::GetClientRect( GetHWnd(), &r ); 1511 mr = WmSize(static_cast<UINT>(wParam), r.right - r.left, r.bottom - r.top); 1512 //mr = WmSize(wParam, LOWORD(lParam), HIWORD(lParam)); 1513 SetCompositionWindow(r); 1514 break; 1515 } 1516 case WM_SIZING: 1517 mr = WmSizing(); 1518 break; 1519 case WM_SHOWWINDOW: 1520 mr = WmShowWindow(static_cast<BOOL>(wParam), 1521 static_cast<UINT>(lParam)); break; 1522 case WM_SYSCOMMAND: 1523 mr = WmSysCommand(static_cast<UINT>(wParam & 0xFFF0), 1524 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)); 1525 break; 1526 case WM_ENTERSIZEMOVE: 1527 mr = WmEnterSizeMove(); 1528 break; 1529 case WM_EXITSIZEMOVE: 1530 mr = WmExitSizeMove(); 1531 break; 1532 // Bug #4039858 (Selecting menu item causes bogus mouse click event) 1533 case WM_ENTERMENULOOP: 1534 mr = WmEnterMenuLoop((BOOL)wParam); 1535 sm_bMenuLoop = TRUE; 1536 // we need to release grab if menu is shown 1537 if (AwtWindow::GetGrabbedWindow() != NULL) { 1538 AwtWindow::GetGrabbedWindow()->Ungrab(); 1539 } 1540 break; 1541 case WM_EXITMENULOOP: 1542 mr = WmExitMenuLoop((BOOL)wParam); 1543 sm_bMenuLoop = FALSE; 1544 break; 1545 1546 // We don't expect any focus messages on non-proxy component, 1547 // except those that came from Java. 1548 case WM_SETFOCUS: 1549 if (sm_inSynthesizeFocus) { 1550 mr = WmSetFocus((HWND)wParam); 1551 } else { 1552 mr = mrConsume; 1553 } 1554 break; 1555 case WM_KILLFOCUS: 1556 if (sm_inSynthesizeFocus) { 1557 mr = WmKillFocus((HWND)wParam); 1558 } else { 1559 mr = mrConsume; 1560 } 1561 break; 1562 case WM_ACTIVATE: { 1563 UINT nState = LOWORD(wParam); 1564 BOOL fMinimized = (BOOL)HIWORD(wParam); 1565 mr = mrConsume; 1566 1567 if (!sm_suppressFocusAndActivation && 1568 (!fMinimized || (nState == WA_INACTIVE))) 1569 { 1570 mr = WmActivate(nState, fMinimized, (HWND)lParam); 1571 1572 // When the window is deactivated, send WM_IME_ENDCOMPOSITION 1573 // message to deactivate the composition window so that 1574 // it won't receive keyboard input focus. 1575 HIMC hIMC; 1576 HWND hwnd = ImmGetHWnd(); 1577 if ((hIMC = ImmGetContext(hwnd)) != NULL) { 1578 ImmReleaseContext(hwnd, hIMC); 1579 DefWindowProc(WM_IME_ENDCOMPOSITION, 0, 0); 1580 } 1581 } 1582 break; 1583 } 1584 case WM_MOUSEACTIVATE: { 1585 AwtWindow *window = GetContainer(); 1586 if (window && window->IsFocusableWindow()) { 1587 // AWT/Swing will later request focus to a proper component 1588 // on handling the Java mouse event. Anyway, we have to 1589 // activate the window here as it works both for AWT & Swing. 1590 // Do it in our own fassion, 1591 window->AwtSetActiveWindow(TRUE, LOWORD(lParam)/*hittest*/); 1592 } 1593 mr = mrConsume; 1594 retValue = MA_NOACTIVATE; 1595 break; 1596 } 1597 case WM_CTLCOLORMSGBOX: 1598 case WM_CTLCOLOREDIT: 1599 case WM_CTLCOLORLISTBOX: 1600 case WM_CTLCOLORBTN: 1601 case WM_CTLCOLORDLG: 1602 case WM_CTLCOLORSCROLLBAR: 1603 case WM_CTLCOLORSTATIC: 1604 mr = WmCtlColor((HDC)wParam, (HWND)lParam, 1605 message-WM_CTLCOLORMSGBOX+CTLCOLOR_MSGBOX, 1606 *(HBRUSH*)&retValue); 1607 break; 1608 case WM_HSCROLL: 1609 mr = WmHScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam); 1610 break; 1611 case WM_VSCROLL: 1612 mr = WmVScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam); 1613 break; 1614 // 4664415: We're seeing a WM_LBUTTONUP when the user releases the 1615 // mouse button after a WM_NCLBUTTONDBLCLK. We want to ignore this 1616 // WM_LBUTTONUP, so we set a flag in WM_NCLBUTTONDBLCLK and look for the 1617 // flag on a WM_LBUTTONUP. -bchristi 1618 case WM_NCLBUTTONDBLCLK: 1619 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON | DBL_CLICK); 1620 if (mr == mrDoDefault) { 1621 ignoreNextLBTNUP = TRUE; 1622 } 1623 break; 1624 case WM_NCLBUTTONDOWN: 1625 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON); 1626 ignoreNextLBTNUP = FALSE; 1627 break; 1628 case WM_NCLBUTTONUP: 1629 mr = WmNcMouseUp(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON); 1630 break; 1631 case WM_NCRBUTTONDOWN: 1632 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), RIGHT_BUTTON); 1633 break; 1634 case WM_LBUTTONUP: 1635 if (ignoreNextLBTNUP) { 1636 ignoreNextLBTNUP = FALSE; 1637 return mrDoDefault; 1638 } 1639 //fall-through 1640 case WM_LBUTTONDOWN: 1641 ignoreNextLBTNUP = FALSE; 1642 //fall-through 1643 case WM_LBUTTONDBLCLK: 1644 case WM_RBUTTONDOWN: 1645 case WM_RBUTTONDBLCLK: 1646 case WM_RBUTTONUP: 1647 case WM_MBUTTONDOWN: 1648 case WM_MBUTTONDBLCLK: 1649 case WM_MBUTTONUP: 1650 case WM_XBUTTONDBLCLK: 1651 case WM_XBUTTONDOWN: 1652 case WM_XBUTTONUP: 1653 case WM_MOUSEMOVE: 1654 case WM_MOUSEWHEEL: 1655 case WM_MOUSEHWHEEL: 1656 case WM_AWT_MOUSEENTER: 1657 case WM_AWT_MOUSEEXIT: 1658 curPos = ::GetMessagePos(); 1659 POINT myPos; 1660 myPos.x = GET_X_LPARAM(curPos); 1661 myPos.y = GET_Y_LPARAM(curPos); 1662 ::ScreenToClient(GetHWnd(), &myPos); 1663 switch(switchMessage) { 1664 case WM_AWT_MOUSEENTER: 1665 mr = WmMouseEnter(static_cast<UINT>(wParam), myPos.x, myPos.y); 1666 break; 1667 case WM_LBUTTONDOWN: 1668 case WM_LBUTTONDBLCLK: 1669 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1670 LEFT_BUTTON); 1671 break; 1672 case WM_LBUTTONUP: 1673 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1674 LEFT_BUTTON); 1675 break; 1676 case WM_MOUSEMOVE: 1677 mr = WmMouseMove(static_cast<UINT>(wParam), myPos.x, myPos.y); 1678 break; 1679 case WM_MBUTTONDOWN: 1680 case WM_MBUTTONDBLCLK: 1681 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1682 MIDDLE_BUTTON); 1683 break; 1684 case WM_XBUTTONDOWN: 1685 case WM_XBUTTONDBLCLK: 1686 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) { 1687 if (HIWORD(wParam) == 1) { 1688 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1689 X1_BUTTON); 1690 } 1691 if (HIWORD(wParam) == 2) { 1692 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1693 X2_BUTTON); 1694 } 1695 } 1696 break; 1697 case WM_XBUTTONUP: 1698 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) { 1699 if (HIWORD(wParam) == 1) { 1700 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1701 X1_BUTTON); 1702 } 1703 if (HIWORD(wParam) == 2) { 1704 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1705 X2_BUTTON); 1706 } 1707 } 1708 break; 1709 case WM_RBUTTONDOWN: 1710 case WM_RBUTTONDBLCLK: 1711 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y, 1712 RIGHT_BUTTON); 1713 break; 1714 case WM_RBUTTONUP: 1715 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1716 RIGHT_BUTTON); 1717 break; 1718 case WM_MBUTTONUP: 1719 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y, 1720 MIDDLE_BUTTON); 1721 break; 1722 case WM_AWT_MOUSEEXIT: 1723 mr = WmMouseExit(static_cast<UINT>(wParam), myPos.x, myPos.y); 1724 break; 1725 case WM_MOUSEWHEEL: 1726 case WM_MOUSEHWHEEL: 1727 mr = WmMouseWheel(GET_KEYSTATE_WPARAM(wParam), 1728 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), 1729 GET_WHEEL_DELTA_WPARAM(wParam), 1730 switchMessage == WM_MOUSEHWHEEL); 1731 break; 1732 } 1733 break; 1734 case WM_TOUCH: 1735 WmTouch(wParam, lParam); 1736 break; 1737 case WM_SETCURSOR: 1738 mr = mrDoDefault; 1739 if (LOWORD(lParam) == HTCLIENT) { 1740 if (AwtComponent* comp = 1741 AwtComponent::GetComponent((HWND)wParam)) { 1742 AwtCursor::UpdateCursor(comp); 1743 mr = mrConsume; 1744 } 1745 } 1746 break; 1747 1748 case WM_KEYDOWN: 1749 mr = WmKeyDown(static_cast<UINT>(wParam), 1750 LOWORD(lParam), HIWORD(lParam), FALSE); 1751 break; 1752 case WM_KEYUP: 1753 mr = WmKeyUp(static_cast<UINT>(wParam), 1754 LOWORD(lParam), HIWORD(lParam), FALSE); 1755 break; 1756 case WM_SYSKEYDOWN: 1757 mr = WmKeyDown(static_cast<UINT>(wParam), 1758 LOWORD(lParam), HIWORD(lParam), TRUE); 1759 break; 1760 case WM_SYSKEYUP: 1761 mr = WmKeyUp(static_cast<UINT>(wParam), 1762 LOWORD(lParam), HIWORD(lParam), TRUE); 1763 break; 1764 case WM_IME_SETCONTEXT: 1765 // lParam is passed as pointer and it can be modified. 1766 mr = WmImeSetContext(static_cast<BOOL>(wParam), &lParam); 1767 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1768 break; 1769 case WM_IME_NOTIFY: 1770 mr = WmImeNotify(wParam, lParam); 1771 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1772 break; 1773 case WM_IME_STARTCOMPOSITION: 1774 mr = WmImeStartComposition(); 1775 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1776 break; 1777 case WM_IME_ENDCOMPOSITION: 1778 mr = WmImeEndComposition(); 1779 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1780 break; 1781 case WM_IME_COMPOSITION: { 1782 WORD dbcschar = static_cast<WORD>(wParam); 1783 mr = WmImeComposition(dbcschar, lParam); 1784 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1785 break; 1786 } 1787 case WM_IME_CONTROL: 1788 case WM_IME_COMPOSITIONFULL: 1789 case WM_IME_SELECT: 1790 case WM_IME_KEYUP: 1791 case WM_IME_KEYDOWN: 1792 case WM_IME_REQUEST: 1793 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1794 break; 1795 case WM_CHAR: 1796 mr = WmChar(static_cast<UINT>(wParam), 1797 LOWORD(lParam), HIWORD(lParam), FALSE); 1798 break; 1799 case WM_SYSCHAR: 1800 mr = WmChar(static_cast<UINT>(wParam), 1801 LOWORD(lParam), HIWORD(lParam), TRUE); 1802 break; 1803 case WM_IME_CHAR: 1804 mr = WmIMEChar(static_cast<UINT>(wParam), 1805 LOWORD(lParam), HIWORD(lParam), FALSE); 1806 break; 1807 1808 case WM_INPUTLANGCHANGEREQUEST: { 1809 DTRACE_PRINTLN4("WM_INPUTLANGCHANGEREQUEST: hwnd = 0x%X (%s);"// 1810 "0x%08X -> 0x%08X", 1811 GetHWnd(), GetClassName(), 1812 (UINT_PTR)GetKeyboardLayout(), (UINT_PTR)lParam); 1813 // 4267428: make sure keyboard layout is turned undead. 1814 static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE]; 1815 AwtToolkit::GetKeyboardState(keyboardState); 1816 WORD ignored; 1817 ::ToAsciiEx(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0), 1818 keyboardState, &ignored, 0, GetKeyboardLayout()); 1819 1820 // Set this flag to block ActivateKeyboardLayout from 1821 // WInputMethod.activate() 1822 g_bUserHasChangedInputLang = TRUE; 1823 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1824 break; 1825 } 1826 case WM_INPUTLANGCHANGE: 1827 DTRACE_PRINTLN3("WM_INPUTLANGCHANGE: hwnd = 0x%X (%s);"// 1828 "new = 0x%08X", 1829 GetHWnd(), GetClassName(), (UINT)lParam); 1830 mr = WmInputLangChange(static_cast<UINT>(wParam), reinterpret_cast<HKL>(lParam)); 1831 g_bUserHasChangedInputLang = TRUE; 1832 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr); 1833 // should return non-zero if we process this message 1834 retValue = 1; 1835 break; 1836 1837 case WM_AWT_FORWARD_CHAR: 1838 mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam)); 1839 break; 1840 1841 case WM_AWT_FORWARD_BYTE: 1842 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam); 1843 break; 1844 1845 case WM_PASTE: 1846 mr = WmPaste(); 1847 break; 1848 case WM_TIMER: 1849 mr = WmTimer(wParam); 1850 break; 1851 1852 case WM_COMMAND: 1853 mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam)); 1854 break; 1855 case WM_COMPAREITEM: 1856 mr = WmCompareItem(static_cast<UINT>(wParam), 1857 *(COMPAREITEMSTRUCT*)lParam, retValue); 1858 break; 1859 case WM_DELETEITEM: 1860 mr = WmDeleteItem(static_cast<UINT>(wParam), 1861 *(DELETEITEMSTRUCT*)lParam); 1862 break; 1863 case WM_DRAWITEM: 1864 mr = WmDrawItem(static_cast<UINT>(wParam), 1865 *(DRAWITEMSTRUCT*)lParam); 1866 break; 1867 case WM_MEASUREITEM: 1868 mr = WmMeasureItem(static_cast<UINT>(wParam), 1869 *(MEASUREITEMSTRUCT*)lParam); 1870 break; 1871 1872 case WM_AWT_HANDLE_EVENT: 1873 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam); 1874 break; 1875 1876 case WM_PRINT: 1877 mr = WmPrint((HDC)wParam, lParam); 1878 break; 1879 case WM_PRINTCLIENT: 1880 mr = WmPrintClient((HDC)wParam, lParam); 1881 break; 1882 1883 case WM_NCCALCSIZE: 1884 mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam, 1885 retValue); 1886 break; 1887 case WM_NCPAINT: 1888 mr = WmNcPaint((HRGN)wParam); 1889 break; 1890 case WM_NCHITTEST: 1891 mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue); 1892 break; 1893 1894 case WM_AWT_RESHAPE_COMPONENT: { 1895 RECT* r = (RECT*)lParam; 1896 WPARAM checkEmbedded = wParam; 1897 if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) { 1898 ::OffsetRect(r, -r->left, -r->top); 1899 } 1900 Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top); 1901 delete r; 1902 mr = mrConsume; 1903 break; 1904 } 1905 1906 case WM_AWT_SETALWAYSONTOP: { 1907 AwtWindow* w = (AwtWindow*)lParam; 1908 BOOL value = (BOOL)wParam; 1909 UINT flags = SWP_NOMOVE | SWP_NOSIZE; 1910 // transient windows shouldn't change the owner window's position in the z-order 1911 if (w->IsRetainingHierarchyZOrder()) { 1912 flags |= SWP_NOOWNERZORDER; 1913 } 1914 ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST), 1915 0,0,0,0, flags); 1916 break; 1917 } 1918 1919 case WM_AWT_BEGIN_VALIDATE: 1920 BeginValidate(); 1921 mr = mrConsume; 1922 break; 1923 case WM_AWT_END_VALIDATE: 1924 EndValidate(); 1925 mr = mrConsume; 1926 break; 1927 1928 case WM_PALETTEISCHANGING: 1929 mr = WmPaletteIsChanging((HWND)wParam); 1930 mr = mrDoDefault; 1931 break; 1932 case WM_QUERYNEWPALETTE: 1933 mr = WmQueryNewPalette(retValue); 1934 break; 1935 case WM_PALETTECHANGED: 1936 mr = WmPaletteChanged((HWND)wParam); 1937 break; 1938 case WM_STYLECHANGED: 1939 mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam); 1940 break; 1941 case WM_SETTINGCHANGE: 1942 CheckFontSmoothingSettings(NULL); 1943 mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam); 1944 break; 1945 case WM_CONTEXTMENU: 1946 mr = WmContextMenu((HWND)wParam, 1947 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)); 1948 break; 1949 1950 /* 1951 * These messages are used to route Win32 calls to the 1952 * creating thread, since these calls fail unless executed 1953 * there. 1954 */ 1955 case WM_AWT_COMPONENT_SHOW: 1956 Show(); 1957 mr = mrConsume; 1958 break; 1959 case WM_AWT_COMPONENT_HIDE: 1960 Hide(); 1961 mr = mrConsume; 1962 break; 1963 1964 case WM_AWT_COMPONENT_SETFOCUS: 1965 if ((BOOL)wParam) { 1966 retValue = SynthesizeWmSetFocus(GetHWnd(), NULL); 1967 } else { 1968 retValue = SynthesizeWmKillFocus(GetHWnd(), NULL); 1969 } 1970 mr = mrConsume; 1971 break; 1972 case WM_AWT_WINDOW_SETACTIVE: 1973 retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam); 1974 mr = mrConsume; 1975 break; 1976 1977 case WM_AWT_SET_SCROLL_INFO: { 1978 SCROLLINFO *si = (SCROLLINFO *) lParam; 1979 ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE); 1980 delete si; 1981 mr = mrConsume; 1982 break; 1983 } 1984 case WM_AWT_CREATE_PRINTED_PIXELS: { 1985 CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam; 1986 SIZE loc = { cpps->srcx, cpps->srcy }; 1987 SIZE size = { cpps->srcw, cpps->srch }; 1988 retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha); 1989 mr = mrConsume; 1990 break; 1991 } 1992 case WM_UNDOCUMENTED_CLICKMENUBAR: 1993 { 1994 if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) { 1995 mr = mrConsume; 1996 } 1997 } 1998 } 1999 2000 /* 2001 * If not a specific Consume, it was a specific DoDefault, or a 2002 * PassAlong (since the default is the next in chain), then call the 2003 * default proc. 2004 */ 2005 if (mr != mrConsume) { 2006 retValue = DefWindowProc(message, wParam, lParam); 2007 } 2008 2009 return retValue; 2010 } 2011 /* 2012 * Call this instance's default window proc, or if none set, call the stock 2013 * Window's one. 2014 */ 2015 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam) 2016 { 2017 return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam); 2018 } 2019 2020 /* 2021 * This message should only be received when a window is destroyed by 2022 * Windows, and not Java. Window termination has been reworked so 2023 * this method should never be called during termination. 2024 */ 2025 MsgRouting AwtComponent::WmDestroy() 2026 { 2027 return mrConsume; 2028 } 2029 2030 /* 2031 * This message should only be received when a window is destroyed by 2032 * Windows, and not Java. It is sent only after child windows were destroyed. 2033 */ 2034 MsgRouting AwtComponent::WmNcDestroy() 2035 { 2036 if (m_peerObject != NULL) { // is not being terminating 2037 // Stay in this handler until AwtComponent::Dispose is called. 2038 m_bPauseDestroy = TRUE; 2039 2040 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 2041 // Post invocation event for WObjectPeer.dispose to EDT 2042 env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID); 2043 // Wait until AwtComponent::Dispose is called 2044 AwtToolkit::GetInstance().PumpToDestroy(this); 2045 } 2046 2047 return mrConsume; 2048 } 2049 2050 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi) 2051 { 2052 return mrDoDefault; 2053 } 2054 2055 MsgRouting AwtComponent::WmMove(int x, int y) 2056 { 2057 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED) 2058 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED)); 2059 return mrDoDefault; 2060 } 2061 2062 MsgRouting AwtComponent::WmSize(UINT type, int w, int h) 2063 { 2064 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED) 2065 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED)); 2066 return mrDoDefault; 2067 } 2068 2069 MsgRouting AwtComponent::WmSizing() 2070 { 2071 return mrDoDefault; 2072 } 2073 2074 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos) 2075 { 2076 return mrDoDefault; 2077 } 2078 2079 MsgRouting AwtComponent::WmEnterSizeMove() 2080 { 2081 return mrDoDefault; 2082 } 2083 2084 MsgRouting AwtComponent::WmExitSizeMove() 2085 { 2086 return mrDoDefault; 2087 } 2088 2089 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu) 2090 { 2091 return mrDoDefault; 2092 } 2093 2094 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu) 2095 { 2096 return mrDoDefault; 2097 } 2098 2099 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status) 2100 { 2101 return mrDoDefault; 2102 } 2103 2104 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus) 2105 { 2106 m_wheelRotationAmountX = 0; 2107 m_wheelRotationAmountY = 0; 2108 return mrDoDefault; 2109 } 2110 2111 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus) 2112 { 2113 m_wheelRotationAmountX = 0; 2114 m_wheelRotationAmountY = 0; 2115 return mrDoDefault; 2116 } 2117 2118 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl, 2119 UINT ctlColor, HBRUSH& retBrush) 2120 { 2121 AwtComponent* child = AwtComponent::GetComponent(hCtrl); 2122 if (child) { 2123 ::SetBkColor(hDC, child->GetBackgroundColor()); 2124 ::SetTextColor(hDC, child->GetColor()); 2125 retBrush = child->GetBackgroundBrush(); 2126 return mrConsume; 2127 } 2128 return mrDoDefault; 2129 /* 2130 switch (ctlColor) { 2131 case CTLCOLOR_MSGBOX: 2132 case CTLCOLOR_EDIT: 2133 case CTLCOLOR_LISTBOX: 2134 case CTLCOLOR_BTN: 2135 case CTLCOLOR_DLG: 2136 case CTLCOLOR_SCROLLBAR: 2137 case CTLCOLOR_STATIC: 2138 } 2139 */ 2140 } 2141 2142 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos, 2143 HWND hScrollbar) { 2144 if (hScrollbar && hScrollbar != GetHWnd()) { 2145 /* the last test should never happen */ 2146 AwtComponent* sb = GetComponent(hScrollbar); 2147 if (sb) { 2148 sb->WmHScroll(scrollCode, pos, hScrollbar); 2149 } 2150 } 2151 return mrDoDefault; 2152 } 2153 2154 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar) 2155 { 2156 if (hScrollbar && hScrollbar != GetHWnd()) { 2157 /* the last test should never happen */ 2158 AwtComponent* sb = GetComponent(hScrollbar); 2159 if (sb) { 2160 sb->WmVScroll(scrollCode, pos, hScrollbar); 2161 } 2162 } 2163 return mrDoDefault; 2164 } 2165 2166 2167 MsgRouting AwtComponent::WmPaint(HDC) 2168 { 2169 /* Get the rectangle that covers all update regions, if any exist. */ 2170 RECT r; 2171 if (::GetUpdateRect(GetHWnd(), &r, FALSE)) { 2172 if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 && 2173 m_peerObject != NULL && m_callbacksEnabled) { 2174 /* 2175 * Always call handlePaint, because the underlying control 2176 * will have painted itself (the "background") before any 2177 * paint method is called. 2178 */ 2179 DoCallback("handlePaint", "(IIII)V", 2180 r.left, r.top, r.right-r.left, r.bottom-r.top); 2181 } 2182 } 2183 return mrDoDefault; 2184 } 2185 2186 void AwtComponent::PaintUpdateRgn(const RECT *insets) 2187 { 2188 // Fix 4530093: Don't Validate if can't actually paint 2189 if (m_peerObject == NULL || !m_callbacksEnabled) { 2190 2191 // Fix 4745222: If we don't ValidateRgn, windows will keep sending 2192 // WM_PAINT messages until we do. This causes java to go into 2193 // a tight loop that increases CPU to 100% and starves main 2194 // thread which needs to complete initialization, but cant. 2195 ::ValidateRgn(GetHWnd(), NULL); 2196 2197 return; 2198 } 2199 2200 HRGN rgn = ::CreateRectRgn(0,0,1,1); 2201 int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE); 2202 /* 2203 * Now remove all update regions from this window -- do it 2204 * here instead of after the Java upcall, in case any new 2205 * updating is requested. 2206 */ 2207 ::ValidateRgn(GetHWnd(), NULL); 2208 2209 if (updated == COMPLEXREGION || updated == SIMPLEREGION) { 2210 if (insets != NULL) { 2211 ::OffsetRgn(rgn, insets->left, insets->top); 2212 } 2213 DWORD size = ::GetRegionData(rgn, 0, NULL); 2214 if (size == 0) { 2215 ::DeleteObject((HGDIOBJ)rgn); 2216 return; 2217 } 2218 char* buffer = new char[size]; // safe because sizeof(char)==1 2219 memset(buffer, 0, size); 2220 LPRGNDATA rgndata = (LPRGNDATA)buffer; 2221 rgndata->rdh.dwSize = sizeof(RGNDATAHEADER); 2222 rgndata->rdh.iType = RDH_RECTANGLES; 2223 int retCode = ::GetRegionData(rgn, size, rgndata); 2224 VERIFY(retCode); 2225 if (retCode == 0) { 2226 delete [] buffer; 2227 ::DeleteObject((HGDIOBJ)rgn); 2228 return; 2229 } 2230 /* 2231 * Updating rects are divided into mostly vertical and mostly horizontal 2232 * Each group is united together and if not empty painted separately 2233 */ 2234 RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize); 2235 RECT* un[2] = {0, 0}; 2236 DWORD i; 2237 for (i = 0; i < rgndata->rdh.nCount; i++, r++) { 2238 int width = r->right-r->left; 2239 int height = r->bottom-r->top; 2240 if (width > 0 && height > 0) { 2241 int toAdd = (width > height) ? 0: 1; 2242 if (un[toAdd] != 0) { 2243 ::UnionRect(un[toAdd], un[toAdd], r); 2244 } else { 2245 un[toAdd] = r; 2246 } 2247 } 2248 } 2249 for(i = 0; i < 2; i++) { 2250 if (un[i] != 0) { 2251 DoCallback("handleExpose", "(IIII)V", 2252 ScaleDownX(un[i]->left), 2253 ScaleDownY(un[i]->top), 2254 ScaleDownX(un[i]->right - un[i]->left), 2255 ScaleDownY(un[i]->bottom - un[i]->top)); 2256 } 2257 } 2258 delete [] buffer; 2259 } 2260 ::DeleteObject((HGDIOBJ)rgn); 2261 } 2262 2263 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y) 2264 { 2265 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED, 2266 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 0, JNI_FALSE); 2267 if ((flags & ALL_MK_BUTTONS) == 0) { 2268 AwtCursor::UpdateCursor(this); 2269 } 2270 sm_cursorOn = GetHWnd(); 2271 return mrConsume; /* Don't pass our synthetic event on! */ 2272 } 2273 2274 MSG* 2275 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam, 2276 int x = 0, int y = 0) 2277 { 2278 MSG* pMsg = new MSG; 2279 InitMessage(pMsg, message, wParam, lParam, x, y); 2280 return pMsg; 2281 } 2282 2283 2284 jint 2285 AwtComponent::GetDrawState(HWND hwnd) { 2286 return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp)); 2287 } 2288 2289 void 2290 AwtComponent::SetDrawState(HWND hwnd, jint state) { 2291 ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state); 2292 } 2293 2294 void 2295 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam, 2296 int x = 0, int y = 0) 2297 { 2298 msg->message = message; 2299 msg->wParam = wParam; 2300 msg->lParam = lParam; 2301 msg->time = ::GetMessageTime(); 2302 msg->pt.x = x; 2303 msg->pt.y = y; 2304 } 2305 2306 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) { 2307 return mrDoDefault; 2308 } 2309 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) { 2310 return mrDoDefault; 2311 } 2312 2313 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) { 2314 return mrDoDefault; 2315 } 2316 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) { 2317 return mrDoDefault; 2318 } 2319 2320 void AwtComponent::WmTouch(WPARAM wParam, LPARAM lParam) { 2321 AwtToolkit& tk = AwtToolkit::GetInstance(); 2322 if (!tk.IsWin8OrLater() || !tk.IsTouchKeyboardAutoShowEnabled()) { 2323 return; 2324 } 2325 2326 UINT inputsCount = LOWORD(wParam); 2327 TOUCHINPUT* pInputs = new TOUCHINPUT[inputsCount]; 2328 if (pInputs != NULL) { 2329 if (tk.TIGetTouchInputInfo((HTOUCHINPUT)lParam, inputsCount, pInputs, 2330 sizeof(TOUCHINPUT)) != 0) { 2331 for (UINT i = 0; i < inputsCount; i++) { 2332 TOUCHINPUT ti = pInputs[i]; 2333 if (ti.dwFlags & TOUCHEVENTF_PRIMARY) { 2334 if (ti.dwFlags & TOUCHEVENTF_DOWN) { 2335 m_touchDownPoint.x = ti.x / 100; 2336 m_touchDownPoint.y = ti.y / 100; 2337 ::ScreenToClient(GetHWnd(), &m_touchDownPoint); 2338 m_touchDownOccurred = TRUE; 2339 } else if (ti.dwFlags & TOUCHEVENTF_UP) { 2340 m_touchUpPoint.x = ti.x / 100; 2341 m_touchUpPoint.y = ti.y / 100; 2342 ::ScreenToClient(GetHWnd(), &m_touchUpPoint); 2343 m_touchUpOccurred = TRUE; 2344 } 2345 } 2346 } 2347 } 2348 delete[] pInputs; 2349 } 2350 } 2351 2352 /* Double-click variables. */ 2353 static jlong multiClickTime = ::GetDoubleClickTime(); 2354 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK); 2355 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK); 2356 static AwtComponent* lastClickWnd = NULL; 2357 static jlong lastTime = 0; 2358 static int lastClickX = 0; 2359 static int lastClickY = 0; 2360 static int lastButton = 0; 2361 static int clickCount = 0; 2362 2363 // A static method that makes the clickCount available in the derived classes 2364 // overriding WmMouseDown(). 2365 int AwtComponent::GetClickCount() 2366 { 2367 return clickCount; 2368 } 2369 2370 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button) 2371 { 2372 jlong now = ::JVM_CurrentTimeMillis(NULL, 0); 2373 2374 if (lastClickWnd == this && 2375 lastButton == button && 2376 (now - lastTime) <= multiClickTime && 2377 abs(x - lastClickX) <= multiClickMaxX && 2378 abs(y - lastClickY) <= multiClickMaxY) 2379 { 2380 clickCount++; 2381 } else { 2382 clickCount = 1; 2383 lastClickWnd = this; 2384 lastButton = button; 2385 lastClickX = x; 2386 lastClickY = y; 2387 } 2388 /* 2389 *Set appropriate bit of the mask on WM_MOUSE_DOWN message. 2390 */ 2391 m_mouseButtonClickAllowed |= GetButtonMK(button); 2392 lastTime = now; 2393 2394 BOOL causedByTouchEvent = FALSE; 2395 if (m_touchDownOccurred && 2396 (abs(m_touchDownPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) && 2397 (abs(m_touchDownPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) { 2398 causedByTouchEvent = TRUE; 2399 m_touchDownOccurred = FALSE; 2400 } 2401 2402 MSG msg; 2403 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2404 2405 AwtWindow *toplevel = GetContainer(); 2406 if (toplevel && !toplevel->IsSimpleWindow()) { 2407 /* 2408 * The frame should be focused by click in case it is 2409 * the active window but not the focused window. See 6886678. 2410 */ 2411 if (toplevel->GetHWnd() == ::GetActiveWindow() && 2412 toplevel->GetHWnd() != AwtComponent::GetFocusedWindow()) 2413 { 2414 toplevel->AwtSetActiveWindow(); 2415 } 2416 } 2417 2418 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y, 2419 GetJavaModifiers(), clickCount, JNI_FALSE, 2420 GetButton(button), &msg, causedByTouchEvent); 2421 /* 2422 * NOTE: this call is intentionally placed after all other code, 2423 * since AwtComponent::WmMouseDown() assumes that the cached id of the 2424 * latest retrieved message (see lastMessage in awt_Component.cpp) 2425 * matches the mouse message being processed. 2426 * SetCapture() sends WM_CAPTURECHANGED and breaks that 2427 * assumption. 2428 */ 2429 SetDragCapture(flags); 2430 2431 AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd())); 2432 if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) { 2433 if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) { 2434 AwtWindow::GetGrabbedWindow()->Ungrab(); 2435 } 2436 } 2437 return mrConsume; 2438 } 2439 2440 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button) 2441 { 2442 BOOL causedByTouchEvent = FALSE; 2443 if (m_touchUpOccurred && 2444 (abs(m_touchUpPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) && 2445 (abs(m_touchUpPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) { 2446 causedByTouchEvent = TRUE; 2447 m_touchUpOccurred = FALSE; 2448 } 2449 2450 MSG msg; 2451 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2452 2453 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, ::JVM_CurrentTimeMillis(NULL, 0), 2454 x, y, GetJavaModifiers(), clickCount, 2455 (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ? 2456 TRUE : FALSE), GetButton(button), &msg, causedByTouchEvent); 2457 /* 2458 * If no movement, then report a click following the button release. 2459 * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN, 2460 * spurous MOUSE_CLICK is about to happen. See 6430553. 2461 */ 2462 if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed 2463 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED, 2464 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 2465 clickCount, JNI_FALSE, GetButton(button)); 2466 } 2467 // Exclude button from allowed to generate CLICK messages 2468 m_mouseButtonClickAllowed &= ~GetButtonMK(button); 2469 2470 if ((flags & ALL_MK_BUTTONS) == 0) { 2471 // only update if all buttons have been released 2472 AwtCursor::UpdateCursor(this); 2473 } 2474 /* 2475 * NOTE: this call is intentionally placed after all other code, 2476 * since AwtComponent::WmMouseUp() assumes that the cached id of the 2477 * latest retrieved message (see lastMessage in awt_Component.cpp) 2478 * matches the mouse message being processed. 2479 * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that 2480 * assumption. 2481 */ 2482 ReleaseDragCapture(flags); 2483 2484 return mrConsume; 2485 } 2486 2487 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y) 2488 { 2489 static AwtComponent* lastComp = NULL; 2490 static int lastX = 0; 2491 static int lastY = 0; 2492 2493 /* 2494 * Only report mouse move and drag events if a move or drag 2495 * actually happened -- Windows sends a WM_MOUSEMOVE in case the 2496 * app wants to modify the cursor. 2497 */ 2498 if (lastComp != this || x != lastX || y != lastY) { 2499 lastComp = this; 2500 lastX = x; 2501 lastY = y; 2502 BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled(); 2503 if (((flags & (ALL_MK_BUTTONS)) != 0) || 2504 (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0)) 2505 // if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) || 2506 // ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) )) 2507 { 2508 // 6404008 : if Dragged event fired we shouldn't fire 2509 // Clicked event: m_firstDragSent set to TRUE. 2510 // This is a partial backout of 5039416 fix. 2511 MSG msg; 2512 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2513 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, ::JVM_CurrentTimeMillis(NULL, 0), x, y, 2514 GetJavaModifiers(), 0, JNI_FALSE, 2515 java_awt_event_MouseEvent_NOBUTTON, &msg); 2516 //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence 2517 m_mouseButtonClickAllowed = 0; 2518 } else { 2519 MSG msg; 2520 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y); 2521 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, ::JVM_CurrentTimeMillis(NULL, 0), x, y, 2522 GetJavaModifiers(), 0, JNI_FALSE, 2523 java_awt_event_MouseEvent_NOBUTTON, &msg); 2524 } 2525 } 2526 2527 return mrConsume; 2528 } 2529 2530 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y) 2531 { 2532 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, ::JVM_CurrentTimeMillis(NULL, 0), x, 2533 y, GetJavaModifiers(), 0, JNI_FALSE); 2534 sm_cursorOn = NULL; 2535 return mrConsume; /* Don't pass our synthetic event on! */ 2536 } 2537 2538 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y, 2539 int wheelRotation, BOOL isHorizontal) 2540 { 2541 // convert coordinates to be Component-relative, not screen relative 2542 // for wheeling when outside the window, this works similar to 2543 // coordinates during a drag 2544 POINT eventPt; 2545 eventPt.x = x; 2546 eventPt.y = y; 2547 DTRACE_PRINT2(" original coords: %i,%i\n", x, y); 2548 ::ScreenToClient(GetHWnd(), &eventPt); 2549 DTRACE_PRINT2(" new coords: %i,%i\n\n", eventPt.x, eventPt.y); 2550 2551 // set some defaults 2552 jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL; 2553 jint scrollUnits = 3; 2554 2555 BOOL result; 2556 UINT platformUnits; 2557 jint roundedWheelRotation; 2558 jdouble preciseWheelRotation; 2559 2560 // AWT interprets wheel rotation differently than win32, so we need to 2561 // decode wheel amount. 2562 jint modifiers = GetJavaModifiers(); 2563 if (isHorizontal) { 2564 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK; 2565 m_wheelRotationAmountX += wheelRotation; 2566 roundedWheelRotation = m_wheelRotationAmountX / (WHEEL_DELTA); 2567 preciseWheelRotation = (jdouble) wheelRotation / (WHEEL_DELTA); 2568 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0, 2569 &platformUnits, 0); 2570 } else { 2571 m_wheelRotationAmountY += wheelRotation; 2572 roundedWheelRotation = m_wheelRotationAmountY / (-1 * WHEEL_DELTA); 2573 preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA); 2574 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, 2575 &platformUnits, 0); 2576 } 2577 2578 MSG msg; 2579 InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation), 2580 MAKELPARAM(x, y)); 2581 2582 if (result) { 2583 if (platformUnits == WHEEL_PAGESCROLL) { 2584 scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL; 2585 scrollUnits = 1; 2586 } 2587 else { 2588 scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL; 2589 scrollUnits = platformUnits; 2590 } 2591 } 2592 2593 DTRACE_PRINTLN("calling SendMouseWheelEvent"); 2594 2595 SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, ::JVM_CurrentTimeMillis(NULL, 0), 2596 eventPt.x, eventPt.y, modifiers, 0, 0, scrollType, 2597 scrollUnits, roundedWheelRotation, preciseWheelRotation, &msg); 2598 2599 m_wheelRotationAmountX %= WHEEL_DELTA; 2600 m_wheelRotationAmountY %= WHEEL_DELTA; 2601 // this message could be propagated up to the parent chain 2602 // by the mouse message post processors 2603 return mrConsume; 2604 } 2605 2606 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) { 2607 // Rector+Newcomer page 413 2608 // The extended keys are the Alt and Control on the right of 2609 // the space bar, the non-Numpad arrow keys, the non-Numpad 2610 // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys. 2611 // Note that neither Shift key is extended. 2612 // Although not listed in Rector+Newcomer, both Windows keys 2613 // (91 and 92) are extended keys, the Context Menu key 2614 // (property key or application key - 93) is extended, 2615 // and so is the NumLock key. 2616 2617 // wkey is the wParam, flags is the HIWORD of the lParam 2618 2619 // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam) 2620 BOOL extended = ((1<<8) & flags); 2621 2622 if (IsNumPadKey(wkey, extended)) { 2623 return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD; 2624 } 2625 2626 switch (wkey) { 2627 case VK_SHIFT: 2628 return AwtComponent::GetShiftKeyLocation(wkey, flags); 2629 case VK_CONTROL: // fall through 2630 case VK_MENU: 2631 if (extended) { 2632 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT; 2633 } else { 2634 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2635 } 2636 case VK_LWIN: 2637 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2638 case VK_RWIN: 2639 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT; 2640 default: 2641 break; 2642 } 2643 2644 // REMIND: if we add keycodes for the windows keys, we'll have to 2645 // include left/right discrimination code for them. 2646 2647 return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD; 2648 } 2649 2650 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags) 2651 { 2652 // init scancodes to safe values 2653 UINT leftShiftScancode = 0; 2654 UINT rightShiftScancode = 0; 2655 2656 // First 8 bits of flags is the scancode 2657 UINT keyScanCode = flags & 0xFF; 2658 2659 DTRACE_PRINTLN3( 2660 "AwtComponent::GetShiftKeyLocation vkey = %d = 0x%x scan = %d", 2661 vkey, vkey, keyScanCode); 2662 2663 leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0); 2664 rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0); 2665 2666 if (keyScanCode == leftShiftScancode) { 2667 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2668 } 2669 if (keyScanCode == rightShiftScancode) { 2670 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT; 2671 } 2672 2673 DASSERT(false); 2674 // Note: the above should not fail on NT (or 2000) 2675 2676 // default value 2677 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT; 2678 } 2679 2680 /* Returns Java ActionEvent modifieres. 2681 * When creating ActionEvent, modifiers provided by ActionEvent 2682 * class should be set. 2683 */ 2684 jint 2685 AwtComponent::GetActionModifiers() 2686 { 2687 jint modifiers = GetJavaModifiers(); 2688 2689 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) { 2690 modifiers |= java_awt_event_ActionEvent_CTRL_MASK; 2691 } 2692 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) { 2693 modifiers |= java_awt_event_ActionEvent_SHIFT_MASK; 2694 } 2695 if (modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) { 2696 modifiers |= java_awt_event_ActionEvent_ALT_MASK; 2697 } 2698 return modifiers; 2699 } 2700 2701 /* Returns Java extended InputEvent modifieres. 2702 * Since ::GetKeyState returns current state and Java modifiers represent 2703 * state before event, modifier on changed key are inverted. 2704 */ 2705 jint 2706 AwtComponent::GetJavaModifiers() 2707 { 2708 jint modifiers = 0; 2709 2710 if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) { 2711 modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK; 2712 } 2713 if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) { 2714 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK; 2715 } 2716 if (HIBYTE(::GetKeyState(VK_MENU)) != 0) { 2717 modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK; 2718 } 2719 if (HIBYTE(::GetKeyState(VK_RMENU)) != 0) { 2720 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK; 2721 } 2722 if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) { 2723 modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK; 2724 } 2725 if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) { 2726 modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK; 2727 } 2728 if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) { 2729 modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK; 2730 } 2731 2732 if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) { 2733 modifiers |= masks[3]; 2734 } 2735 if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) { 2736 modifiers |= masks[4]; 2737 } 2738 return modifiers; 2739 } 2740 2741 jint 2742 AwtComponent::GetButton(int mouseButton) 2743 { 2744 /* Mouse buttons are already set correctly for left/right handedness */ 2745 switch(mouseButton) { 2746 case LEFT_BUTTON: 2747 return java_awt_event_MouseEvent_BUTTON1; 2748 case MIDDLE_BUTTON: 2749 return java_awt_event_MouseEvent_BUTTON2; 2750 case RIGHT_BUTTON: 2751 return java_awt_event_MouseEvent_BUTTON3; 2752 case X1_BUTTON: //16 : 2753 //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now 2754 return 4; 2755 case X2_BUTTON: //32 2756 return 5; 2757 } 2758 return java_awt_event_MouseEvent_NOBUTTON; 2759 } 2760 2761 UINT 2762 AwtComponent::GetButtonMK(int mouseButton) 2763 { 2764 switch(mouseButton) { 2765 case LEFT_BUTTON: 2766 return MK_LBUTTON; 2767 case MIDDLE_BUTTON: 2768 return MK_MBUTTON; 2769 case RIGHT_BUTTON: 2770 return MK_RBUTTON; 2771 case X1_BUTTON: 2772 return MK_XBUTTON1; 2773 case X2_BUTTON: 2774 return MK_XBUTTON2; 2775 } 2776 return 0; 2777 } 2778 2779 // FIXME: Keyboard related stuff has grown so big and hairy that we 2780 // really need to move it into a class of its own. And, since 2781 // keyboard is a shared resource, AwtComponent is a bad place for it. 2782 2783 // These constants are defined in the Japanese version of VC++5.0, 2784 // but not the US version 2785 #ifndef VK_CONVERT 2786 #define VK_KANA 0x15 2787 #define VK_KANJI 0x19 2788 #define VK_CONVERT 0x1C 2789 #define VK_NONCONVERT 0x1D 2790 #endif 2791 2792 #ifndef VK_XBUTTON1 2793 #define VK_XBUTTON1 0x05 2794 #endif 2795 2796 #ifndef VK_XBUTTON2 2797 #define VK_XBUTTON2 0x06 2798 #endif 2799 2800 typedef struct { 2801 UINT javaKey; 2802 UINT windowsKey; 2803 } KeyMapEntry; 2804 2805 // Static table, arranged more or less spatially. 2806 KeyMapEntry keyMapTable[] = { 2807 // Modifier keys 2808 {java_awt_event_KeyEvent_VK_CAPS_LOCK, VK_CAPITAL}, 2809 {java_awt_event_KeyEvent_VK_SHIFT, VK_SHIFT}, 2810 {java_awt_event_KeyEvent_VK_CONTROL, VK_CONTROL}, 2811 {java_awt_event_KeyEvent_VK_ALT, VK_MENU}, 2812 {java_awt_event_KeyEvent_VK_ALT_GRAPH, VK_RMENU}, 2813 {java_awt_event_KeyEvent_VK_NUM_LOCK, VK_NUMLOCK}, 2814 2815 // Miscellaneous Windows keys 2816 {java_awt_event_KeyEvent_VK_WINDOWS, VK_LWIN}, 2817 {java_awt_event_KeyEvent_VK_WINDOWS, VK_RWIN}, 2818 {java_awt_event_KeyEvent_VK_CONTEXT_MENU, VK_APPS}, 2819 2820 // Alphabet 2821 {java_awt_event_KeyEvent_VK_A, 'A'}, 2822 {java_awt_event_KeyEvent_VK_B, 'B'}, 2823 {java_awt_event_KeyEvent_VK_C, 'C'}, 2824 {java_awt_event_KeyEvent_VK_D, 'D'}, 2825 {java_awt_event_KeyEvent_VK_E, 'E'}, 2826 {java_awt_event_KeyEvent_VK_F, 'F'}, 2827 {java_awt_event_KeyEvent_VK_G, 'G'}, 2828 {java_awt_event_KeyEvent_VK_H, 'H'}, 2829 {java_awt_event_KeyEvent_VK_I, 'I'}, 2830 {java_awt_event_KeyEvent_VK_J, 'J'}, 2831 {java_awt_event_KeyEvent_VK_K, 'K'}, 2832 {java_awt_event_KeyEvent_VK_L, 'L'}, 2833 {java_awt_event_KeyEvent_VK_M, 'M'}, 2834 {java_awt_event_KeyEvent_VK_N, 'N'}, 2835 {java_awt_event_KeyEvent_VK_O, 'O'}, 2836 {java_awt_event_KeyEvent_VK_P, 'P'}, 2837 {java_awt_event_KeyEvent_VK_Q, 'Q'}, 2838 {java_awt_event_KeyEvent_VK_R, 'R'}, 2839 {java_awt_event_KeyEvent_VK_S, 'S'}, 2840 {java_awt_event_KeyEvent_VK_T, 'T'}, 2841 {java_awt_event_KeyEvent_VK_U, 'U'}, 2842 {java_awt_event_KeyEvent_VK_V, 'V'}, 2843 {java_awt_event_KeyEvent_VK_W, 'W'}, 2844 {java_awt_event_KeyEvent_VK_X, 'X'}, 2845 {java_awt_event_KeyEvent_VK_Y, 'Y'}, 2846 {java_awt_event_KeyEvent_VK_Z, 'Z'}, 2847 2848 // Standard numeric row 2849 {java_awt_event_KeyEvent_VK_0, '0'}, 2850 {java_awt_event_KeyEvent_VK_1, '1'}, 2851 {java_awt_event_KeyEvent_VK_2, '2'}, 2852 {java_awt_event_KeyEvent_VK_3, '3'}, 2853 {java_awt_event_KeyEvent_VK_4, '4'}, 2854 {java_awt_event_KeyEvent_VK_5, '5'}, 2855 {java_awt_event_KeyEvent_VK_6, '6'}, 2856 {java_awt_event_KeyEvent_VK_7, '7'}, 2857 {java_awt_event_KeyEvent_VK_8, '8'}, 2858 {java_awt_event_KeyEvent_VK_9, '9'}, 2859 2860 // Misc key from main block 2861 {java_awt_event_KeyEvent_VK_ENTER, VK_RETURN}, 2862 {java_awt_event_KeyEvent_VK_SPACE, VK_SPACE}, 2863 {java_awt_event_KeyEvent_VK_BACK_SPACE, VK_BACK}, 2864 {java_awt_event_KeyEvent_VK_TAB, VK_TAB}, 2865 {java_awt_event_KeyEvent_VK_ESCAPE, VK_ESCAPE}, 2866 2867 // NumPad with NumLock off & extended block (rectangular) 2868 {java_awt_event_KeyEvent_VK_INSERT, VK_INSERT}, 2869 {java_awt_event_KeyEvent_VK_DELETE, VK_DELETE}, 2870 {java_awt_event_KeyEvent_VK_HOME, VK_HOME}, 2871 {java_awt_event_KeyEvent_VK_END, VK_END}, 2872 {java_awt_event_KeyEvent_VK_PAGE_UP, VK_PRIOR}, 2873 {java_awt_event_KeyEvent_VK_PAGE_DOWN, VK_NEXT}, 2874 {java_awt_event_KeyEvent_VK_CLEAR, VK_CLEAR}, // NumPad 5 2875 2876 // NumPad with NumLock off & extended arrows block (triangular) 2877 {java_awt_event_KeyEvent_VK_LEFT, VK_LEFT}, 2878 {java_awt_event_KeyEvent_VK_RIGHT, VK_RIGHT}, 2879 {java_awt_event_KeyEvent_VK_UP, VK_UP}, 2880 {java_awt_event_KeyEvent_VK_DOWN, VK_DOWN}, 2881 2882 // NumPad with NumLock on: numbers 2883 {java_awt_event_KeyEvent_VK_NUMPAD0, VK_NUMPAD0}, 2884 {java_awt_event_KeyEvent_VK_NUMPAD1, VK_NUMPAD1}, 2885 {java_awt_event_KeyEvent_VK_NUMPAD2, VK_NUMPAD2}, 2886 {java_awt_event_KeyEvent_VK_NUMPAD3, VK_NUMPAD3}, 2887 {java_awt_event_KeyEvent_VK_NUMPAD4, VK_NUMPAD4}, 2888 {java_awt_event_KeyEvent_VK_NUMPAD5, VK_NUMPAD5}, 2889 {java_awt_event_KeyEvent_VK_NUMPAD6, VK_NUMPAD6}, 2890 {java_awt_event_KeyEvent_VK_NUMPAD7, VK_NUMPAD7}, 2891 {java_awt_event_KeyEvent_VK_NUMPAD8, VK_NUMPAD8}, 2892 {java_awt_event_KeyEvent_VK_NUMPAD9, VK_NUMPAD9}, 2893 2894 // NumPad with NumLock on 2895 {java_awt_event_KeyEvent_VK_MULTIPLY, VK_MULTIPLY}, 2896 {java_awt_event_KeyEvent_VK_ADD, VK_ADD}, 2897 {java_awt_event_KeyEvent_VK_SEPARATOR, VK_SEPARATOR}, 2898 {java_awt_event_KeyEvent_VK_SUBTRACT, VK_SUBTRACT}, 2899 {java_awt_event_KeyEvent_VK_DECIMAL, VK_DECIMAL}, 2900 {java_awt_event_KeyEvent_VK_DIVIDE, VK_DIVIDE}, 2901 2902 // Functional keys 2903 {java_awt_event_KeyEvent_VK_F1, VK_F1}, 2904 {java_awt_event_KeyEvent_VK_F2, VK_F2}, 2905 {java_awt_event_KeyEvent_VK_F3, VK_F3}, 2906 {java_awt_event_KeyEvent_VK_F4, VK_F4}, 2907 {java_awt_event_KeyEvent_VK_F5, VK_F5}, 2908 {java_awt_event_KeyEvent_VK_F6, VK_F6}, 2909 {java_awt_event_KeyEvent_VK_F7, VK_F7}, 2910 {java_awt_event_KeyEvent_VK_F8, VK_F8}, 2911 {java_awt_event_KeyEvent_VK_F9, VK_F9}, 2912 {java_awt_event_KeyEvent_VK_F10, VK_F10}, 2913 {java_awt_event_KeyEvent_VK_F11, VK_F11}, 2914 {java_awt_event_KeyEvent_VK_F12, VK_F12}, 2915 {java_awt_event_KeyEvent_VK_F13, VK_F13}, 2916 {java_awt_event_KeyEvent_VK_F14, VK_F14}, 2917 {java_awt_event_KeyEvent_VK_F15, VK_F15}, 2918 {java_awt_event_KeyEvent_VK_F16, VK_F16}, 2919 {java_awt_event_KeyEvent_VK_F17, VK_F17}, 2920 {java_awt_event_KeyEvent_VK_F18, VK_F18}, 2921 {java_awt_event_KeyEvent_VK_F19, VK_F19}, 2922 {java_awt_event_KeyEvent_VK_F20, VK_F20}, 2923 {java_awt_event_KeyEvent_VK_F21, VK_F21}, 2924 {java_awt_event_KeyEvent_VK_F22, VK_F22}, 2925 {java_awt_event_KeyEvent_VK_F23, VK_F23}, 2926 {java_awt_event_KeyEvent_VK_F24, VK_F24}, 2927 2928 {java_awt_event_KeyEvent_VK_PRINTSCREEN, VK_SNAPSHOT}, 2929 {java_awt_event_KeyEvent_VK_SCROLL_LOCK, VK_SCROLL}, 2930 {java_awt_event_KeyEvent_VK_PAUSE, VK_PAUSE}, 2931 {java_awt_event_KeyEvent_VK_CANCEL, VK_CANCEL}, 2932 {java_awt_event_KeyEvent_VK_HELP, VK_HELP}, 2933 2934 // Japanese 2935 {java_awt_event_KeyEvent_VK_CONVERT, VK_CONVERT}, 2936 {java_awt_event_KeyEvent_VK_NONCONVERT, VK_NONCONVERT}, 2937 {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI}, 2938 {java_awt_event_KeyEvent_VK_ALPHANUMERIC, VK_DBE_ALPHANUMERIC}, 2939 {java_awt_event_KeyEvent_VK_KATAKANA, VK_DBE_KATAKANA}, 2940 {java_awt_event_KeyEvent_VK_HIRAGANA, VK_DBE_HIRAGANA}, 2941 {java_awt_event_KeyEvent_VK_FULL_WIDTH, VK_DBE_DBCSCHAR}, 2942 {java_awt_event_KeyEvent_VK_HALF_WIDTH, VK_DBE_SBCSCHAR}, 2943 {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN}, 2944 2945 {java_awt_event_KeyEvent_VK_UNDEFINED, 0} 2946 }; 2947 2948 2949 // Dynamic mapping table for OEM VK codes. This table is refilled 2950 // by BuildDynamicKeyMapTable when keyboard layout is switched. 2951 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values). 2952 struct DynamicKeyMapEntry { 2953 UINT windowsKey; // OEM VK codes known in advance 2954 UINT javaKey; // depends on input langauge (kbd layout) 2955 }; 2956 2957 static DynamicKeyMapEntry dynamicKeyMapTable[] = { 2958 {0x00BA, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1 2959 {0x00BB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS 2960 {0x00BC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA 2961 {0x00BD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS 2962 {0x00BE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD 2963 {0x00BF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2 2964 {0x00C0, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3 2965 {0x00DB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4 2966 {0x00DC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5 2967 {0x00DD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6 2968 {0x00DE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7 2969 {0x00DF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8 2970 {0x00E2, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102 2971 {0, 0} 2972 }; 2973 2974 2975 2976 // Auxiliary tables used to fill the above dynamic table. We first 2977 // find the character for the OEM VK code using ::MapVirtualKey and 2978 // then go through these auxiliary tables to map it to Java VK code. 2979 2980 struct CharToVKEntry { 2981 WCHAR c; 2982 UINT javaKey; 2983 }; 2984 2985 static const CharToVKEntry charToVKTable[] = { 2986 {L'!', java_awt_event_KeyEvent_VK_EXCLAMATION_MARK}, 2987 {L'"', java_awt_event_KeyEvent_VK_QUOTEDBL}, 2988 {L'#', java_awt_event_KeyEvent_VK_NUMBER_SIGN}, 2989 {L'$', java_awt_event_KeyEvent_VK_DOLLAR}, 2990 {L'&', java_awt_event_KeyEvent_VK_AMPERSAND}, 2991 {L'\'', java_awt_event_KeyEvent_VK_QUOTE}, 2992 {L'(', java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS}, 2993 {L')', java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS}, 2994 {L'*', java_awt_event_KeyEvent_VK_ASTERISK}, 2995 {L'+', java_awt_event_KeyEvent_VK_PLUS}, 2996 {L',', java_awt_event_KeyEvent_VK_COMMA}, 2997 {L'-', java_awt_event_KeyEvent_VK_MINUS}, 2998 {L'.', java_awt_event_KeyEvent_VK_PERIOD}, 2999 {L'/', java_awt_event_KeyEvent_VK_SLASH}, 3000 {L':', java_awt_event_KeyEvent_VK_COLON}, 3001 {L';', java_awt_event_KeyEvent_VK_SEMICOLON}, 3002 {L'<', java_awt_event_KeyEvent_VK_LESS}, 3003 {L'=', java_awt_event_KeyEvent_VK_EQUALS}, 3004 {L'>', java_awt_event_KeyEvent_VK_GREATER}, 3005 {L'@', java_awt_event_KeyEvent_VK_AT}, 3006 {L'[', java_awt_event_KeyEvent_VK_OPEN_BRACKET}, 3007 {L'\\', java_awt_event_KeyEvent_VK_BACK_SLASH}, 3008 {L']', java_awt_event_KeyEvent_VK_CLOSE_BRACKET}, 3009 {L'^', java_awt_event_KeyEvent_VK_CIRCUMFLEX}, 3010 {L'_', java_awt_event_KeyEvent_VK_UNDERSCORE}, 3011 {L'`', java_awt_event_KeyEvent_VK_BACK_QUOTE}, 3012 {L'{', java_awt_event_KeyEvent_VK_BRACELEFT}, 3013 {L'}', java_awt_event_KeyEvent_VK_BRACERIGHT}, 3014 {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK}, 3015 {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ???? 3016 {0,0} 3017 }; 3018 3019 // For dead accents some layouts return ASCII punctuation, while some 3020 // return spacing accent chars, so both should be listed. NB: MS docs 3021 // say that conversion routings return spacing accent character, not 3022 // combining. 3023 static const CharToVKEntry charToDeadVKTable[] = { 3024 {L'`', java_awt_event_KeyEvent_VK_DEAD_GRAVE}, 3025 {L'\'', java_awt_event_KeyEvent_VK_DEAD_ACUTE}, 3026 {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE}, 3027 {L'^', java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX}, 3028 {L'~', java_awt_event_KeyEvent_VK_DEAD_TILDE}, 3029 {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE}, 3030 {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON}, 3031 {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE}, 3032 {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT}, 3033 {L'"', java_awt_event_KeyEvent_VK_DEAD_DIAERESIS}, 3034 {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS}, 3035 {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING}, 3036 {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE}, 3037 {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON}, // aka hacek 3038 {L',', java_awt_event_KeyEvent_VK_DEAD_CEDILLA}, 3039 {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA}, 3040 {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK}, 3041 {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA}, // ASCII ??? 3042 {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND}, 3043 {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND}, 3044 {0x0004, java_awt_event_KeyEvent_VK_COMPOSE}, 3045 {0,0} 3046 }; 3047 3048 // The full map of the current keyboard state including 3049 // windows virtual key, scancode, java virtual key, and unicode 3050 // for this key sans modifiers. 3051 // All but first element may be 0. 3052 // XXX in the update releases this is an addition to the unchanged existing code 3053 struct DynPrimaryKeymapEntry { 3054 UINT wkey; 3055 UINT scancode; 3056 UINT jkey; 3057 WCHAR unicode; 3058 }; 3059 3060 static DynPrimaryKeymapEntry dynPrimaryKeymap[256]; 3061 3062 void 3063 AwtComponent::InitDynamicKeyMapTable() 3064 { 3065 static BOOL kbdinited = FALSE; 3066 3067 if (!kbdinited) { 3068 AwtComponent::BuildDynamicKeyMapTable(); 3069 // We cannot build it here since JNI is not available yet: 3070 //AwtComponent::BuildPrimaryDynamicTable(); 3071 kbdinited = TRUE; 3072 } 3073 } 3074 3075 void 3076 AwtComponent::BuildDynamicKeyMapTable() 3077 { 3078 HKL hkl = GetKeyboardLayout(); 3079 3080 DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)", 3081 hkl, AwtComponent::GetCodePage()); 3082 3083 // Will need this to reset layout after dead keys. 3084 UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl); 3085 3086 // Entries in dynamic table that maps between Java VK and Windows 3087 // VK are built in three steps: 3088 // 1. Map windows VK to ANSI character (cannot map to unicode 3089 // directly, since ::ToUnicode is not implemented on win9x) 3090 // 2. Convert ANSI char to Unicode char 3091 // 3. Map Unicode char to Java VK via two auxilary tables. 3092 3093 for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable; 3094 dynamic->windowsKey != 0; 3095 ++dynamic) 3096 { 3097 // Defaults to VK_UNDEFINED 3098 dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED; 3099 3100 BYTE kbdState[AwtToolkit::KB_STATE_SIZE]; 3101 AwtToolkit::GetKeyboardState(kbdState); 3102 3103 kbdState[dynamic->windowsKey] |= 0x80; // Press the key. 3104 3105 // Unpress modifiers, since they are most likely pressed as 3106 // part of the keyboard switching shortcut. 3107 kbdState[VK_CONTROL] &= ~0x80; 3108 kbdState[VK_SHIFT] &= ~0x80; 3109 kbdState[VK_MENU] &= ~0x80; 3110 3111 char cbuf[2] = { '\0', '\0'}; 3112 UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl); 3113 int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState, 3114 (WORD*)cbuf, 0, hkl); 3115 3116 // Auxiliary table used to map Unicode character to Java VK. 3117 // Will assign a different table for dead keys (below). 3118 const CharToVKEntry *charMap = charToVKTable; 3119 3120 if (nchars < 0) { // Dead key 3121 // Use a different table for dead chars since different layouts 3122 // return different characters for the same dead key. 3123 charMap = charToDeadVKTable; 3124 3125 // We also need to reset layout so that next translation 3126 // is unaffected by the dead status. We do this by 3127 // translating <SPACE> key. 3128 kbdState[dynamic->windowsKey] &= ~0x80; 3129 kbdState[VK_SPACE] |= 0x80; 3130 3131 char junkbuf[2] = { '\0', '\0'}; 3132 ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState, 3133 (WORD*)junkbuf, 0, hkl); 3134 } 3135 3136 #ifdef DEBUG 3137 if (nchars == 0) { 3138 DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char", 3139 dynamic->windowsKey); 3140 continue; 3141 } 3142 else if (nchars > 1) { // can't happen, see reset code below 3143 DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>", 3144 dynamic->windowsKey, 3145 (UCHAR)cbuf[0], (UCHAR)cbuf[1]); 3146 continue; 3147 } 3148 #endif 3149 3150 WCHAR ucbuf[2] = { L'\0', L'\0' }; 3151 int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0, 3152 cbuf, 1, ucbuf, 2); 3153 #ifdef DEBUG 3154 if (nconverted < 0) { 3155 DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)", 3156 dynamic->windowsKey, (UCHAR)cbuf[0], 3157 ::GetLastError()); 3158 continue; 3159 } 3160 #endif 3161 3162 WCHAR uc = ucbuf[0]; 3163 for (const CharToVKEntry *map = charMap; map->c != 0; ++map) { 3164 if (uc == map->c) { 3165 dynamic->javaKey = map->javaKey; 3166 break; 3167 } 3168 } 3169 3170 DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X", 3171 dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0], 3172 dynamic->javaKey); 3173 } // for each VK_OEM_* 3174 } 3175 3176 3177 static BOOL isKanaLockAvailable() 3178 { 3179 // This method is to determine whether the Kana Lock feature is 3180 // available on the attached keyboard. Kana Lock feature does not 3181 // necessarily require that the real KANA keytop is available on 3182 // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing. 3183 // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :- 3184 // 3185 // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL) 3186 // - the keyboard is Japanese keyboard (keyboard type == 7). 3187 return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT)) 3188 && (GetKeyboardType(0) == 7); 3189 } 3190 3191 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey, 3192 UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey) 3193 { 3194 // Handle the few cases where a Java VK code corresponds to a Windows 3195 // key/modifier combination or applies only to specific keyboard layouts 3196 switch (javaKey) { 3197 case java_awt_event_KeyEvent_VK_ALL_CANDIDATES: 3198 *windowsKey = VK_CONVERT; 3199 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK; 3200 return; 3201 case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE: 3202 *windowsKey = VK_CONVERT; 3203 *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK; 3204 return; 3205 case java_awt_event_KeyEvent_VK_CODE_INPUT: 3206 *windowsKey = VK_DBE_ALPHANUMERIC; 3207 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK; 3208 return; 3209 case java_awt_event_KeyEvent_VK_KANA_LOCK: 3210 if (isKanaLockAvailable()) { 3211 *windowsKey = VK_KANA; 3212 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK; 3213 return; 3214 } 3215 } 3216 3217 // for the general case, use a bi-directional table 3218 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) { 3219 if (keyMapTable[i].javaKey == javaKey) { 3220 *windowsKey = keyMapTable[i].windowsKey; 3221 *modifiers = 0; 3222 return; 3223 } 3224 } 3225 3226 // Bug 4766655 3227 // Two Windows keys could map to the same Java key, so 3228 // give preference to the originalWindowsKey if it is 3229 // specified (not IGNORE_KEY). 3230 if (originalWindowsKey == IGNORE_KEY) { 3231 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) { 3232 if (dynamicKeyMapTable[j].javaKey == javaKey) { 3233 *windowsKey = dynamicKeyMapTable[j].windowsKey; 3234 *modifiers = 0; 3235 return; 3236 } 3237 } 3238 } else { 3239 BOOL found = false; 3240 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) { 3241 if (dynamicKeyMapTable[j].javaKey == javaKey) { 3242 *windowsKey = dynamicKeyMapTable[j].windowsKey; 3243 *modifiers = 0; 3244 found = true; 3245 if (*windowsKey == originalWindowsKey) { 3246 return; /* if ideal case found return, else keep looking */ 3247 } 3248 } 3249 } 3250 if (found) { 3251 return; 3252 } 3253 } 3254 3255 *windowsKey = 0; 3256 *modifiers = 0; 3257 return; 3258 } 3259 3260 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey) 3261 3262 { 3263 // Handle the few cases where we need to take the modifier into 3264 // consideration for the Java VK code or where we have to take the keyboard 3265 // layout into consideration so that function keys can get 3266 // recognized in a platform-independent way. 3267 switch (windowsKey) { 3268 case VK_CONVERT: 3269 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) { 3270 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES; 3271 } 3272 if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) { 3273 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE; 3274 } 3275 break; 3276 case VK_DBE_ALPHANUMERIC: 3277 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) { 3278 return java_awt_event_KeyEvent_VK_CODE_INPUT; 3279 } 3280 break; 3281 case VK_KANA: 3282 if (isKanaLockAvailable()) { 3283 return java_awt_event_KeyEvent_VK_KANA_LOCK; 3284 } 3285 break; 3286 }; 3287 3288 // check dead key 3289 if (isDeadKey) { 3290 for (int i = 0; charToDeadVKTable[i].c != 0; i++) { 3291 if (charToDeadVKTable[i].c == character) { 3292 return charToDeadVKTable[i].javaKey; 3293 } 3294 } 3295 } 3296 3297 // for the general case, use a bi-directional table 3298 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) { 3299 if (keyMapTable[i].windowsKey == windowsKey) { 3300 return keyMapTable[i].javaKey; 3301 } 3302 } 3303 3304 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) { 3305 if (dynamicKeyMapTable[j].windowsKey == windowsKey) { 3306 if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) { 3307 return dynamicKeyMapTable[j].javaKey; 3308 }else{ 3309 break; 3310 } 3311 } 3312 } 3313 3314 return java_awt_event_KeyEvent_VK_UNDEFINED; 3315 } 3316 3317 BOOL AwtComponent::IsNavigationKey(UINT wkey) { 3318 switch (wkey) { 3319 case VK_END: 3320 case VK_PRIOR: // PageUp 3321 case VK_NEXT: // PageDown 3322 case VK_HOME: 3323 case VK_LEFT: 3324 case VK_UP: 3325 case VK_RIGHT: 3326 case VK_DOWN: 3327 return TRUE; 3328 } 3329 return FALSE; 3330 } 3331 3332 // determine if a key is a numpad key (distinguishes the numpad 3333 // arrow keys from the non-numpad arrow keys, for example). 3334 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended) 3335 { 3336 // Note: scancodes are the same for the numpad arrow keys and 3337 // the non-numpad arrow keys (also for PageUp, etc.). 3338 // The scancodes for the numpad divide and the non-numpad slash 3339 // are the same, but the wparams are different 3340 3341 DTRACE_PRINTLN3("AwtComponent::IsNumPadKey vkey = %d = 0x%x extended = %d", 3342 vkey, vkey, extended); 3343 3344 switch (vkey) { 3345 case VK_CLEAR: // numpad 5 with numlock off 3346 case VK_NUMPAD0: 3347 case VK_NUMPAD1: 3348 case VK_NUMPAD2: 3349 case VK_NUMPAD3: 3350 case VK_NUMPAD4: 3351 case VK_NUMPAD5: 3352 case VK_NUMPAD6: 3353 case VK_NUMPAD7: 3354 case VK_NUMPAD8: 3355 case VK_NUMPAD9: 3356 case VK_MULTIPLY: 3357 case VK_ADD: 3358 case VK_SEPARATOR: // numpad , not on US kbds 3359 case VK_SUBTRACT: 3360 case VK_DECIMAL: 3361 case VK_DIVIDE: 3362 case VK_NUMLOCK: 3363 return TRUE; 3364 break; 3365 case VK_END: 3366 case VK_PRIOR: // PageUp 3367 case VK_NEXT: // PageDown 3368 case VK_HOME: 3369 case VK_LEFT: 3370 case VK_UP: 3371 case VK_RIGHT: 3372 case VK_DOWN: 3373 case VK_INSERT: 3374 case VK_DELETE: 3375 // extended if non-numpad 3376 return (!extended); 3377 break; 3378 case VK_RETURN: // extended if on numpad 3379 return (extended); 3380 break; 3381 default: 3382 break; 3383 } 3384 3385 return FALSE; 3386 } 3387 static void 3388 resetKbdState( BYTE kstate[256]) { 3389 BYTE tmpState[256]; 3390 WCHAR wc[2]; 3391 memmove(tmpState, kstate, sizeof(kstate)); 3392 tmpState[VK_SHIFT] = 0; 3393 tmpState[VK_CONTROL] = 0; 3394 tmpState[VK_MENU] = 0; 3395 3396 ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0, GetKeyboardLayout(0)); 3397 } 3398 3399 // XXX in the update releases this is an addition to the unchanged existing code 3400 // After the call, a table will have a unicode associated with a windows virtual keycode 3401 // sans modifiers. With some further simplification, one can 3402 // derive java keycode from it, and anyway we will pass this unicode value 3403 // all the way up in a comment to a KeyEvent. 3404 void 3405 AwtComponent::BuildPrimaryDynamicTable() { 3406 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 3407 // XXX: how about that? 3408 //CriticalSection::Lock l(GetLock()); 3409 //if (GetPeer(env) == NULL) { 3410 // /* event received during termination. */ 3411 // return; 3412 //} 3413 3414 HKL hkl = GetKeyboardLayout(); 3415 UINT sc = 0; 3416 BYTE kbdState[AwtToolkit::KB_STATE_SIZE]; 3417 memset(kbdState, 0, sizeof (kbdState)); 3418 3419 // Use JNI call to obtain java key code. We should keep a list 3420 // of currently available keycodes in a single place. 3421 static jclass extKeyCodesCls; 3422 if( extKeyCodesCls == NULL) { 3423 jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes"); 3424 DASSERT(extKeyCodesClsLocal); 3425 CHECK_NULL(extKeyCodesClsLocal); 3426 extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal); 3427 env->DeleteLocalRef(extKeyCodesClsLocal); 3428 } 3429 static jmethodID getExtendedKeyCodeForChar; 3430 if (getExtendedKeyCodeForChar == NULL) { 3431 getExtendedKeyCodeForChar = 3432 env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I"); 3433 DASSERT(getExtendedKeyCodeForChar); 3434 CHECK_NULL(getExtendedKeyCodeForChar); 3435 } 3436 jint extJKC; //extended Java key code 3437 3438 for (UINT i = 0; i < 256; i++) { 3439 dynPrimaryKeymap[i].wkey = i; 3440 dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED; 3441 dynPrimaryKeymap[i].unicode = 0; 3442 3443 if ((sc = MapVirtualKey (i, 0)) == 0) { 3444 dynPrimaryKeymap[i].scancode = 0; 3445 continue; 3446 } 3447 dynPrimaryKeymap[i].scancode = sc; 3448 3449 // XXX process cases like VK_SHIFT etc. 3450 kbdState[i] = 0x80; // "key pressed". 3451 WCHAR wc[16]; 3452 int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl); 3453 if (k == 1) { 3454 // unicode 3455 dynPrimaryKeymap[i].unicode = wc[0]; 3456 if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) { 3457 // Convert unicode to java keycode. 3458 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000); 3459 // 3460 //XXX If this key in on the keypad, we should force a special value equal to 3461 //XXX an old java keycode: but how to say if it is a keypad key? 3462 //XXX We'll do it in WmKeyUp/Down. 3463 extJKC = env->CallStaticIntMethod(extKeyCodesCls, 3464 getExtendedKeyCodeForChar, (jint)(wc[0])); 3465 dynPrimaryKeymap[i].jkey = extJKC; 3466 } 3467 }else if (k == -1) { 3468 // dead key: use charToDeadVKTable 3469 dynPrimaryKeymap[i].unicode = wc[0]; 3470 resetKbdState( kbdState ); 3471 for (const CharToVKEntry *map = charToDeadVKTable; map->c != 0; ++map) { 3472 if (wc[0] == map->c) { 3473 dynPrimaryKeymap[i].jkey = map->javaKey; 3474 break; 3475 } 3476 } 3477 } else if (k == 0) { 3478 // reset 3479 resetKbdState( kbdState ); 3480 }else { 3481 // k > 1: this key does generate multiple characters. Ignore it. 3482 // An example: Arabic Lam and Alef ligature. 3483 // There will be no extended keycode and thus shortcuts for this key. 3484 // XXX shouldn't we reset the kbd state? 3485 #ifdef DEBUG 3486 DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i); 3487 #endif 3488 } 3489 kbdState[i] = 0; // "key unpressed" 3490 } 3491 } 3492 void 3493 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers) 3494 { 3495 if( wkey && wkey < 256 ) { 3496 if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) { 3497 // At the creation time, 3498 // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /" 3499 dynPrimaryKeymap[wkey].jkey = jkeyLegacy; 3500 } 3501 if(dynPrimaryKeymap[wkey].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) { 3502 // E.g. it is non-unicode key 3503 dynPrimaryKeymap[wkey].jkey = jkeyLegacy; 3504 } 3505 } 3506 } 3507 3508 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey) 3509 { 3510 static Hashtable transTable("VKEY translations"); 3511 static Hashtable deadKeyFlagTable("Dead Key Flags"); 3512 isDeadKey = FALSE; 3513 3514 // Try to translate using last saved translation 3515 if (ops == LOAD) { 3516 void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey))); 3517 void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey))); 3518 if (value != NULL) { 3519 isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag)); 3520 return static_cast<UINT>(reinterpret_cast<INT_PTR>(value)); 3521 } 3522 } 3523 3524 // If the windows key is a return, wkey will equal 13 ('\r') 3525 // In this case, we want to return 10 ('\n') 3526 // Since ToAscii would convert VK_RETURN to '\r', we need 3527 // to have a special case here. 3528 if (wkey == VK_RETURN) 3529 return '\n'; 3530 3531 // high order bit in keyboardState indicates whether the key is down 3532 static const BYTE KEY_STATE_DOWN = 0x80; 3533 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE]; 3534 AwtToolkit::GetKeyboardState(keyboardState); 3535 3536 // apply modifiers to keyboard state if necessary 3537 BOOL shiftIsDown = FALSE; 3538 if (modifiers) { 3539 shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK; 3540 BOOL altIsDown = ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) || 3541 (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK)); 3542 BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK; 3543 3544 if (shiftIsDown) { 3545 keyboardState[VK_SHIFT] |= KEY_STATE_DOWN; 3546 } 3547 3548 // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715) 3549 // Here we try to resolve a conflict with ::ToAsciiEx's translating 3550 // ALT+number key combinations. kdm@sarc.spb.su 3551 // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail. 3552 if( IsNavigationKey(wkey) ) { 3553 keyboardState[VK_MENU] &= ~KEY_STATE_DOWN; 3554 } 3555 3556 if (ctrlIsDown) 3557 { 3558 if (altIsDown) { 3559 // bugid 4215009: don't mess with AltGr == Ctrl + Alt 3560 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN; 3561 } 3562 else { 3563 // bugid 4098210: old event model doesn't have KEY_TYPED 3564 // events, so try to provide a meaningful character for 3565 // Ctrl+<key>. Take Ctrl into account only when we know 3566 // that Ctrl+<key> will be an ASCII control. Ignore by 3567 // default. 3568 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN; 3569 3570 // Letters have Ctrl+<letter> counterparts. According to 3571 // <winuser.h> VK_A through VK_Z are the same as ASCII 3572 // 'A' through 'Z'. 3573 if (wkey >= 'A' && wkey <= 'Z') { 3574 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN; 3575 } 3576 else { 3577 // Non-letter controls 033 to 037 are: 3578 // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US) 3579 3580 // Shift state bits returned by ::VkKeyScan in HIBYTE 3581 static const UINT _VKS_SHIFT_MASK = 0x01; 3582 static const UINT _VKS_CTRL_MASK = 0x02; 3583 static const UINT _VKS_ALT_MASK = 0x04; 3584 3585 // Check to see whether there is a meaningful translation 3586 TCHAR ch; 3587 short vk; 3588 for (ch = _T('\033'); ch < _T('\040'); ch++) { 3589 vk = ::VkKeyScan(ch); 3590 if (wkey == LOBYTE(vk)) { 3591 UINT shiftState = HIBYTE(vk); 3592 if ((shiftState & _VKS_CTRL_MASK) || 3593 (!(shiftState & _VKS_SHIFT_MASK) 3594 == !shiftIsDown)) 3595 { 3596 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN; 3597 } 3598 break; 3599 } 3600 } 3601 } 3602 } // ctrlIsDown && altIsDown 3603 } // ctrlIsDown 3604 } // modifiers 3605 3606 WORD wChar[2]; 3607 int converted = 1; 3608 UINT ch = ::MapVirtualKeyEx(wkey, 2, GetKeyboardLayout()); 3609 if (ch & 0x80000000) { 3610 // Dead key which is handled as a normal key 3611 isDeadKey = deadKeyActive = TRUE; 3612 } else if (deadKeyActive) { 3613 // We cannot use ::ToUnicodeEx if dead key is active because this will 3614 // break dead key function 3615 wChar[0] = shiftIsDown ? ch : tolower(ch); 3616 } else { 3617 UINT scancode = ::MapVirtualKey(wkey, 0); 3618 converted = ::ToUnicodeEx(wkey, scancode, keyboardState, 3619 wChar, 2, 0, GetKeyboardLayout()); 3620 } 3621 3622 UINT translation; 3623 BOOL deadKeyFlag = (converted == 2); 3624 3625 // Dead Key 3626 if (converted < 0 || isDeadKey) { 3627 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED; 3628 } else 3629 // No translation available -- try known conversions or else punt. 3630 if (converted == 0) { 3631 if (wkey == VK_DELETE) { 3632 translation = '\177'; 3633 } else 3634 if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) { 3635 translation = '0' + wkey - VK_NUMPAD0; 3636 } else { 3637 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED; 3638 } 3639 } else 3640 // the caller expects a Unicode character. 3641 if (converted > 0) { 3642 translation = wChar[0]; 3643 } 3644 if (ops == SAVE) { 3645 transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)), 3646 reinterpret_cast<void*>(static_cast<INT_PTR>(translation))); 3647 if (deadKeyFlag) { 3648 deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)), 3649 reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag))); 3650 } else { 3651 deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey))); 3652 } 3653 } 3654 3655 isDeadKey = deadKeyFlag; 3656 return translation; 3657 } 3658 3659 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt, 3660 UINT flags, BOOL system) 3661 { 3662 // VK_PROCESSKEY is a special value which means 3663 // "Current IME wants to consume this KeyEvent" 3664 // Real key code is saved by IMM32.DLL and can be retrieved by 3665 // calling ImmGetVirtualKey(); 3666 if (wkey == VK_PROCESSKEY) { 3667 return mrDoDefault; 3668 } 3669 MSG msg; 3670 InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN), 3671 wkey, MAKELPARAM(repCnt, flags)); 3672 3673 UINT modifiers = GetJavaModifiers(); 3674 jint keyLocation = GetKeyLocation(wkey, flags); 3675 BOOL isDeadKey = FALSE; 3676 UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey); 3677 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey); 3678 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers); 3679 3680 3681 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED, 3682 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character, 3683 modifiers, keyLocation, (jlong)wkey, &msg); 3684 3685 // bugid 4724007: Windows does not create a WM_CHAR for the Del key 3686 // for some reason, so we need to create the KEY_TYPED event on the 3687 // WM_KEYDOWN. Use null msg so the character doesn't get sent back 3688 // to the native window for processing (this event is synthesized 3689 // for Java - we don't want Windows trying to process it). 3690 if (jkey == java_awt_event_KeyEvent_VK_DELETE) { 3691 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED, 3692 ::JVM_CurrentTimeMillis(NULL, 0), 3693 java_awt_event_KeyEvent_VK_UNDEFINED, 3694 character, modifiers, 3695 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0); 3696 } 3697 3698 return mrConsume; 3699 } 3700 3701 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt, 3702 UINT flags, BOOL system) 3703 { 3704 3705 // VK_PROCESSKEY is a special value which means 3706 // "Current IME wants to consume this KeyEvent" 3707 // Real key code is saved by IMM32.DLL and can be retrieved by 3708 // calling ImmGetVirtualKey(); 3709 if (wkey == VK_PROCESSKEY) { 3710 return mrDoDefault; 3711 } 3712 MSG msg; 3713 InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP), 3714 wkey, MAKELPARAM(repCnt, flags)); 3715 3716 UINT modifiers = GetJavaModifiers(); 3717 jint keyLocation = GetKeyLocation(wkey, flags); 3718 BOOL isDeadKey = FALSE; 3719 UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey); 3720 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey); 3721 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers); 3722 3723 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED, 3724 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character, 3725 modifiers, keyLocation, (jlong)wkey, &msg); 3726 return mrConsume; 3727 } 3728 3729 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout) 3730 { 3731 // Normally we would be able to use charset and TranslateCharSetInfo 3732 // to get a code page that should be associated with this keyboard 3733 // layout change. However, there seems to be an NT 4.0 bug associated 3734 // with the WM_INPUTLANGCHANGE message, which makes the charset parameter 3735 // unreliable, especially on Asian systems. Our workaround uses the 3736 // keyboard layout handle instead. 3737 m_hkl = hKeyboardLayout; 3738 m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID 3739 m_CodePage = LangToCodePage(m_idLang); 3740 BuildDynamicKeyMapTable(); // compute new mappings for VK_OEM 3741 BuildPrimaryDynamicTable(); 3742 return mrConsume; // do not propagate to children 3743 } 3744 3745 // Convert Language ID to CodePage 3746 UINT AwtComponent::LangToCodePage(LANGID idLang) 3747 { 3748 TCHAR strCodePage[MAX_ACP_STR_LEN]; 3749 // use the LANGID to create a LCID 3750 LCID idLocale = MAKELCID(idLang, SORT_DEFAULT); 3751 // get the ANSI code page associated with this locale 3752 if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 ) 3753 return _ttoi(strCodePage); 3754 else 3755 return GetACP(); 3756 } 3757 3758 3759 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system) 3760 { 3761 // We will simply create Java events here. 3762 WCHAR unicodeChar = character; 3763 MSG msg; 3764 InitMessage(&msg, WM_IME_CHAR, character, 3765 MAKELPARAM(repCnt, flags)); 3766 3767 jint modifiers = GetJavaModifiers(); 3768 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED, 3769 ::JVM_CurrentTimeMillis(NULL, 0), 3770 java_awt_event_KeyEvent_VK_UNDEFINED, 3771 unicodeChar, modifiers, 3772 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0, 3773 &msg); 3774 return mrConsume; 3775 } 3776 3777 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags, 3778 BOOL system) 3779 { 3780 deadKeyActive = FALSE; 3781 3782 // Will only get WmChar messages with DBCS if we create them for 3783 // an Edit class in the WmForwardChar method. These synthesized 3784 // DBCS chars are ok to pass on directly to the default window 3785 // procedure. They've already been filtered through the Java key 3786 // event queue. We will never get the trail byte since the edit 3787 // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR, 3788 // PM_REMOVE). I would like to be able to pass this character off 3789 // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to 3790 // like that. 3791 3792 // We will simply create Java events here. 3793 UINT message = system ? WM_SYSCHAR : WM_CHAR; 3794 3795 // The Alt modifier is reported in the 29th bit of the lParam, 3796 // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)). 3797 bool alt_is_down = (flags & (1<<13)) != 0; 3798 3799 // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu 3800 // We should not pass this particular combination to Java. 3801 3802 if (system && alt_is_down) { 3803 if (character == VK_SPACE) { 3804 return mrDoDefault; 3805 } 3806 } 3807 3808 // If this is a WM_CHAR (non-system) message, then the Alt flag 3809 // indicates that the character was typed using an AltGr key 3810 // (which Windows treats as Ctrl+Alt), so in this case we do NOT 3811 // pass the Ctrl and Alt modifiers to Java, but instead we 3812 // replace them with Java's AltGraph modifier. Note: the AltGraph 3813 // modifier does not exist in 1.1.x releases. 3814 jint modifiers = GetJavaModifiers(); 3815 if (!system && alt_is_down) { 3816 // character typed with AltGraph 3817 modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK 3818 | java_awt_event_InputEvent_CTRL_DOWN_MASK); 3819 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK; 3820 } 3821 3822 WCHAR unicodeChar = character; 3823 3824 // Kludge: Combine pending single byte with this char for some Chinese IMEs 3825 if (m_PendingLeadByte != 0) { 3826 character = (m_PendingLeadByte & 0x00ff) | (character << 8); 3827 m_PendingLeadByte = 0; 3828 ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2, 3829 &unicodeChar, 1); 3830 } 3831 3832 if (unicodeChar == VK_RETURN) { 3833 // Enter key generates \r in windows, but \n is required in java 3834 unicodeChar = java_awt_event_KeyEvent_VK_ENTER; 3835 } 3836 MSG msg; 3837 InitMessage(&msg, message, character, 3838 MAKELPARAM(repCnt, flags)); 3839 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED, 3840 ::JVM_CurrentTimeMillis(NULL, 0), 3841 java_awt_event_KeyEvent_VK_UNDEFINED, 3842 unicodeChar, modifiers, 3843 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0, 3844 &msg); 3845 return mrConsume; 3846 } 3847 3848 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam, 3849 BOOL synthetic) 3850 { 3851 deadKeyActive = FALSE; 3852 3853 // just post WM_CHAR with unicode key value 3854 DefWindowProc(WM_CHAR, (WPARAM)character, lParam); 3855 return mrConsume; 3856 } 3857 3858 MsgRouting AwtComponent::WmPaste() 3859 { 3860 return mrDoDefault; 3861 } 3862 3863 // support IME Composition messages 3864 void AwtComponent::SetCompositionWindow(RECT& r) 3865 { 3866 HWND hwnd = ImmGetHWnd(); 3867 HIMC hIMC = ImmGetContext(hwnd); 3868 if (hIMC == NULL) { 3869 return; 3870 } 3871 COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}}; 3872 ImmSetCompositionWindow(hIMC, &cf); 3873 ImmReleaseContext(hwnd, hIMC); 3874 } 3875 3876 void AwtComponent::OpenCandidateWindow(int x, int y) 3877 { 3878 UINT bits = 1; 3879 POINT p = {0, 0}; // upper left corner of the client area 3880 HWND hWnd = ImmGetHWnd(); 3881 if (!::IsWindowVisible(hWnd)) { 3882 return; 3883 } 3884 HWND hTop = GetTopLevelParentForWindow(hWnd); 3885 ::ClientToScreen(hTop, &p); 3886 int sx = ScaleUpX(x) - p.x; 3887 int sy = ScaleUpY(y) - p.y; 3888 if (!m_bitsCandType) { 3889 SetCandidateWindow(m_bitsCandType, sx, sy); 3890 return; 3891 } 3892 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) { 3893 if ( m_bitsCandType & bits ) 3894 SetCandidateWindow(iCandType, sx, sy); 3895 } 3896 } 3897 3898 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y) 3899 { 3900 HWND hwnd = ImmGetHWnd(); 3901 HIMC hIMC = ImmGetContext(hwnd); 3902 if (hIMC) { 3903 CANDIDATEFORM cf; 3904 cf.dwStyle = CFS_POINT; 3905 ImmGetCandidateWindow(hIMC, 0, &cf); 3906 if (x != cf.ptCurrentPos.x || y != cf.ptCurrentPos.y) { 3907 cf.dwIndex = iCandType; 3908 cf.dwStyle = CFS_POINT; 3909 cf.ptCurrentPos = {x, y}; 3910 cf.rcArea = {0, 0, 0, 0}; 3911 ImmSetCandidateWindow(hIMC, &cf); 3912 } 3913 COMPOSITIONFORM cfr; 3914 cfr.dwStyle = CFS_POINT; 3915 ImmGetCompositionWindow(hIMC, &cfr); 3916 if (x != cfr.ptCurrentPos.x || y != cfr.ptCurrentPos.y) { 3917 cfr.dwStyle = CFS_POINT; 3918 cfr.ptCurrentPos = {x, y}; 3919 cfr.rcArea = {0, 0, 0, 0}; 3920 ImmSetCompositionWindow(hIMC, &cfr); 3921 } 3922 ImmReleaseContext(hwnd, hIMC); 3923 } 3924 } 3925 3926 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam) 3927 { 3928 // If the Windows input context is disabled, do not let Windows 3929 // display any UIs. 3930 HWND hwnd = ImmGetHWnd(); 3931 HIMC hIMC = ImmGetContext(hwnd); 3932 if (hIMC == NULL) { 3933 *lplParam = 0; 3934 return mrDoDefault; 3935 } 3936 ImmReleaseContext(hwnd, hIMC); 3937 3938 if (fSet) { 3939 LPARAM lParam = *lplParam; 3940 if (!m_useNativeCompWindow) { 3941 // stop to draw native composing window. 3942 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW; 3943 } 3944 } 3945 return mrDoDefault; 3946 } 3947 3948 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType) 3949 { 3950 if (!m_useNativeCompWindow) { 3951 if (subMsg == IMN_OPENCANDIDATE || subMsg == IMN_CHANGECANDIDATE) { 3952 m_bitsCandType = bitsCandType; 3953 InquireCandidatePosition(); 3954 } else if (subMsg == IMN_OPENSTATUSWINDOW || 3955 subMsg == WM_IME_STARTCOMPOSITION || 3956 subMsg == IMN_SETCANDIDATEPOS) { 3957 InquireCandidatePosition(); 3958 } 3959 } 3960 return mrDoDefault; 3961 } 3962 3963 MsgRouting AwtComponent::WmImeStartComposition() 3964 { 3965 if (m_useNativeCompWindow) { 3966 RECT rc; 3967 ::GetClientRect(GetHWnd(), &rc); 3968 SetCompositionWindow(rc); 3969 return mrDoDefault; 3970 } else 3971 return mrConsume; 3972 } 3973 3974 MsgRouting AwtComponent::WmImeEndComposition() 3975 { 3976 if (m_useNativeCompWindow) return mrDoDefault; 3977 3978 SendInputMethodEvent( 3979 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED, 3980 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 ); 3981 return mrConsume; 3982 } 3983 3984 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags) 3985 { 3986 if (m_useNativeCompWindow) return mrDoDefault; 3987 3988 int* bndClauseW = NULL; 3989 jstring* readingClauseW = NULL; 3990 int* bndAttrW = NULL; 3991 BYTE* valAttrW = NULL; 3992 int cClauseW = 0; 3993 AwtInputTextInfor* textInfor = NULL; 3994 3995 try { 3996 HWND hwnd = ImmGetHWnd(); 3997 HIMC hIMC = ImmGetContext(hwnd); 3998 DASSERT(hIMC!=0); 3999 4000 textInfor = new AwtInputTextInfor; 4001 textInfor->GetContextData(hIMC, flags); 4002 ImmReleaseContext(hwnd, hIMC); 4003 4004 jstring jtextString = textInfor->GetText(); 4005 /* The conditions to send the input method event to AWT EDT are: 4006 1. Whenever there is a composition message sent regarding whether 4007 the composition text is NULL or not. See details at bug 6222692. 4008 2. When there is a committed message sent, in which case, we have to 4009 check whether the committed string is NULL or not. If the committed string 4010 is NULL, there is no need to send any input method event. 4011 (Minor note: 'jtextString' returned is the merged string in the case of 4012 partial commit.) 4013 */ 4014 if ((flags & GCS_RESULTSTR && jtextString != NULL) || 4015 (flags & GCS_COMPSTR)) { 4016 int cursorPosW = textInfor->GetCursorPosition(); 4017 // In order not to delete the readingClauseW in the catch clause, 4018 // calling GetAttributeInfor before GetClauseInfor. 4019 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW); 4020 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW); 4021 4022 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends 4023 the event to AWT EDT. 4024 4025 The last two paremeters are set to equal since we don't have recommendations for 4026 the visible position within the current composed text. See details at 4027 java.awt.event.InputMethodEvent. 4028 */ 4029 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED, 4030 jtextString, 4031 cClauseW, bndClauseW, readingClauseW, 4032 cAttrW, bndAttrW, valAttrW, 4033 textInfor->GetCommittedTextLength(), 4034 cursorPosW, cursorPosW); 4035 } 4036 } catch (...) { 4037 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release 4038 // the pointer here. 4039 delete [] bndClauseW; 4040 delete [] readingClauseW; 4041 delete [] bndAttrW; 4042 delete [] valAttrW; 4043 throw; 4044 } 4045 4046 /* Free the storage allocated. Since jtextString won't be passed from threads 4047 * to threads, we just use the local ref and it will be deleted within the destructor 4048 * of AwtInputTextInfor object. 4049 */ 4050 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4051 if (cClauseW && readingClauseW) { 4052 for (int i = 0; i < cClauseW; i ++) { 4053 if (readingClauseW[i]) { 4054 env->DeleteLocalRef(readingClauseW[i]); 4055 } 4056 } 4057 } 4058 delete [] bndClauseW; 4059 delete [] readingClauseW; 4060 delete [] bndAttrW; 4061 delete [] valAttrW; 4062 delete textInfor; 4063 4064 return mrConsume; 4065 } 4066 4067 // 4068 // generate and post InputMethodEvent 4069 // 4070 void AwtComponent::SendInputMethodEvent(jint id, jstring text, 4071 int cClause, int* rgClauseBoundary, jstring* rgClauseReading, 4072 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue, 4073 int commitedTextLength, int caretPos, int visiblePos) 4074 { 4075 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4076 4077 // assumption for array type casting 4078 DASSERT(sizeof(int)==sizeof(jint)); 4079 DASSERT(sizeof(BYTE)==sizeof(jbyte)); 4080 4081 // caluse information 4082 jintArray clauseBoundary = NULL; 4083 jobjectArray clauseReading = NULL; 4084 if (cClause && rgClauseBoundary && rgClauseReading) { 4085 // convert clause boundary offset array to java array 4086 clauseBoundary = env->NewIntArray(cClause+1); 4087 DASSERT(clauseBoundary); 4088 CHECK_NULL(clauseBoundary); 4089 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary); 4090 DASSERT(!safe_ExceptionOccurred(env)); 4091 4092 // convert clause reading string array to java array 4093 jclass stringCls = JNU_ClassString(env); 4094 DASSERT(stringCls); 4095 CHECK_NULL(stringCls); 4096 clauseReading = env->NewObjectArray(cClause, stringCls, NULL); 4097 DASSERT(clauseReading); 4098 CHECK_NULL(clauseReading); 4099 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]); 4100 DASSERT(!safe_ExceptionOccurred(env)); 4101 } 4102 4103 4104 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H 4105 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT); 4106 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED); 4107 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED); 4108 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED); 4109 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR); 4110 4111 // attribute information 4112 jintArray attrBoundary = NULL; 4113 jbyteArray attrValue = NULL; 4114 if (cAttrBlock && rgAttrBoundary && rgAttrValue) { 4115 // convert attribute boundary offset array to java array 4116 attrBoundary = env->NewIntArray(cAttrBlock+1); 4117 DASSERT(attrBoundary); 4118 CHECK_NULL(attrBoundary); 4119 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary); 4120 DASSERT(!safe_ExceptionOccurred(env)); 4121 4122 // convert attribute value byte array to java array 4123 attrValue = env->NewByteArray(cAttrBlock); 4124 DASSERT(attrValue); 4125 CHECK_NULL(attrValue); 4126 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue); 4127 DASSERT(!safe_ExceptionOccurred(env)); 4128 } 4129 4130 4131 // get global reference of WInputMethod class (run only once) 4132 static jclass wInputMethodCls = NULL; 4133 if (wInputMethodCls == NULL) { 4134 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod"); 4135 DASSERT(wInputMethodClsLocal); 4136 CHECK_NULL(wInputMethodClsLocal); 4137 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal); 4138 env->DeleteLocalRef(wInputMethodClsLocal); 4139 } 4140 4141 // get method ID of sendInputMethodEvent() (run only once) 4142 static jmethodID sendIMEventMid = 0; 4143 if (sendIMEventMid == 0) { 4144 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent", 4145 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V"); 4146 DASSERT(sendIMEventMid); 4147 CHECK_NULL(sendIMEventMid); 4148 } 4149 4150 // call m_InputMethod.sendInputMethod() 4151 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0), 4152 text, clauseBoundary, clauseReading, attrBoundary, 4153 attrValue, commitedTextLength, caretPos, visiblePos); 4154 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe(); 4155 DASSERT(!safe_ExceptionOccurred(env)); 4156 4157 } 4158 4159 4160 4161 // 4162 // Inquires candidate position according to the composed text 4163 // 4164 void AwtComponent::InquireCandidatePosition() 4165 { 4166 if (!::IsWindowVisible(GetHWnd())) { 4167 return; 4168 } 4169 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4170 4171 // get global reference of WInputMethod class (run only once) 4172 static jclass wInputMethodCls = NULL; 4173 if (wInputMethodCls == NULL) { 4174 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod"); 4175 DASSERT(wInputMethodClsLocal); 4176 CHECK_NULL(wInputMethodClsLocal); 4177 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal); 4178 env->DeleteLocalRef(wInputMethodClsLocal); 4179 } 4180 4181 // get method ID of sendInputMethodEvent() (run only once) 4182 static jmethodID inqCandPosMid = 0; 4183 if (inqCandPosMid == 0) { 4184 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V"); 4185 DASSERT(!safe_ExceptionOccurred(env)); 4186 DASSERT(inqCandPosMid); 4187 CHECK_NULL(inqCandPosMid); 4188 } 4189 4190 // call m_InputMethod.sendInputMethod() 4191 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid); 4192 DASSERT(!safe_ExceptionOccurred(env)); 4193 } 4194 4195 HWND AwtComponent::ImmGetHWnd() 4196 { 4197 HWND proxy = GetProxyFocusOwner(); 4198 return (proxy != NULL) ? proxy : GetHWnd(); 4199 } 4200 4201 HIMC AwtComponent::ImmAssociateContext(HIMC himc) 4202 { 4203 return ::ImmAssociateContext(ImmGetHWnd(), himc); 4204 } 4205 4206 HWND AwtComponent::GetProxyFocusOwner() 4207 { 4208 AwtWindow *window = GetContainer(); 4209 if (window != 0) { 4210 AwtFrame *owner = window->GetOwningFrameOrDialog(); 4211 if (owner != 0) { 4212 return owner->GetProxyFocusOwner(); 4213 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window 4214 return ((AwtFrame*)window)->GetProxyFocusOwner(); 4215 } 4216 } 4217 return (HWND)NULL; 4218 } 4219 4220 /* Redirects message to the focus proxy, if any */ 4221 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam, 4222 LPARAM lParam, LRESULT &retVal, MsgRouting &mr) 4223 { 4224 if (mr != mrConsume) { 4225 HWND proxy = GetProxyFocusOwner(); 4226 if (proxy != NULL && ::IsWindowEnabled(proxy)) { 4227 retVal = ::DefWindowProc(proxy, message, wParam, lParam); 4228 mr = mrConsume; 4229 } 4230 } 4231 } 4232 4233 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode) 4234 { 4235 /* Menu/Accelerator */ 4236 if (hWndChild == 0) { 4237 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id); 4238 if (obj == NULL) { 4239 return mrConsume; 4240 } 4241 DASSERT(((AwtMenuItem*)obj)->GetID() == id); 4242 obj->DoCommand(); 4243 return mrConsume; 4244 } 4245 /* Child id notification */ 4246 else { 4247 AwtComponent* child = AwtComponent::GetComponent(hWndChild); 4248 if (child) { 4249 child->WmNotify(notifyCode); 4250 } 4251 } 4252 return mrDoDefault; 4253 } 4254 4255 MsgRouting AwtComponent::WmNotify(UINT notifyCode) 4256 { 4257 return mrDoDefault; 4258 } 4259 4260 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId, 4261 COMPAREITEMSTRUCT &compareInfo, 4262 LRESULT &result) 4263 { 4264 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem); 4265 if (child == this) { 4266 /* DoCallback("handleItemDelete", */ 4267 } 4268 else if (child) { 4269 return child->WmCompareItem(ctrlId, compareInfo, result); 4270 } 4271 return mrConsume; 4272 } 4273 4274 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId, 4275 DELETEITEMSTRUCT &deleteInfo) 4276 { 4277 /* 4278 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList 4279 * window, a WM_DELETEITEM message is sent to its parent with a window 4280 * handle of one of the list's child windows. The property lookup 4281 * succeeds, but the HWNDs don't match. 4282 */ 4283 if (deleteInfo.hwndItem == NULL) { 4284 return mrConsume; 4285 } 4286 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem); 4287 4288 if (child && child->GetHWnd() != deleteInfo.hwndItem) { 4289 return mrConsume; 4290 } 4291 4292 if (child == this) { 4293 /*DoCallback("handleItemDelete", */ 4294 } 4295 else if (child) { 4296 return child->WmDeleteItem(ctrlId, deleteInfo); 4297 } 4298 return mrConsume; 4299 } 4300 4301 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo) 4302 { 4303 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4304 4305 if (drawInfo.CtlType == ODT_MENU) { 4306 if (IsMenu((HMENU)drawInfo.hwndItem) && drawInfo.itemData != 0) { 4307 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData); 4308 menu->DrawItem(drawInfo); 4309 } 4310 } else { 4311 return OwnerDrawItem(ctrlId, drawInfo); 4312 } 4313 return mrConsume; 4314 } 4315 4316 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId, 4317 MEASUREITEMSTRUCT &measureInfo) 4318 { 4319 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4320 4321 if (measureInfo.CtlType == ODT_MENU) { 4322 if (measureInfo.itemData != 0) { 4323 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData); 4324 HDC hDC = ::GetDC(GetHWnd()); 4325 /* menu->MeasureItem(env, hDC, measureInfo); */ 4326 menu->MeasureItem(hDC, measureInfo); 4327 ::ReleaseDC(GetHWnd(), hDC); 4328 } 4329 } else { 4330 return OwnerMeasureItem(ctrlId, measureInfo); 4331 } 4332 return mrConsume; 4333 } 4334 4335 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId, 4336 DRAWITEMSTRUCT &drawInfo) 4337 { 4338 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem); 4339 if (child == this) { 4340 /* DoCallback("handleItemDelete", */ 4341 } else if (child != NULL) { 4342 return child->WmDrawItem(ctrlId, drawInfo); 4343 } 4344 return mrConsume; 4345 } 4346 4347 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId, 4348 MEASUREITEMSTRUCT &measureInfo) 4349 { 4350 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID); 4351 AwtComponent* child = AwtComponent::GetComponent(hChild); 4352 /* 4353 * If the parent cannot find the child's instance from its handle, 4354 * maybe the child is in its creation. So the child must be searched 4355 * from the list linked before the child's creation. 4356 */ 4357 if (child == NULL) { 4358 child = SearchChild((UINT)ctrlId); 4359 } 4360 4361 if (child == this) { 4362 /* DoCallback("handleItemDelete", */ 4363 } 4364 else if (child) { 4365 return child->WmMeasureItem(ctrlId, measureInfo); 4366 } 4367 return mrConsume; 4368 } 4369 4370 /* for WmDrawItem method of Label, Button and Checkbox */ 4371 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text, 4372 int x, int y) 4373 { 4374 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT); 4375 DASSERT(nOldBkMode != 0); 4376 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage()); 4377 VERIFY(::SetBkMode(hDC,nOldBkMode)); 4378 } 4379 4380 /* 4381 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the 4382 * component is disabled. Used only for label, checkbox and button in 4383 * OWNER_DRAW. It draws the text in emboss. 4384 */ 4385 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text, 4386 int x, int y) 4387 { 4388 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT)); 4389 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1); 4390 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW)); 4391 AwtComponent::DrawWindowText(hDC, font, text, x, y); 4392 } 4393 4394 /* for WmMeasureItem method of List and Choice */ 4395 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index) 4396 { 4397 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl", 4398 "(I)Ljava/lang/String;", 4399 index).l; 4400 DASSERT(!safe_ExceptionOccurred(env)); 4401 return str; 4402 } 4403 4404 /* for WmMeasureItem method of List and Choice */ 4405 void AwtComponent::MeasureListItem(JNIEnv *env, 4406 MEASUREITEMSTRUCT &measureInfo) 4407 { 4408 if (env->EnsureLocalCapacity(1) < 0) { 4409 return; 4410 } 4411 jobject dimension = PreferredItemSize(env); 4412 DASSERT(dimension); 4413 measureInfo.itemWidth = 4414 env->GetIntField(dimension, AwtDimension::widthID); 4415 measureInfo.itemHeight = 4416 env->GetIntField(dimension, AwtDimension::heightID); 4417 env->DeleteLocalRef(dimension); 4418 } 4419 4420 /* for WmDrawItem method of List and Choice */ 4421 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo) 4422 { 4423 if (env->EnsureLocalCapacity(3) < 0) { 4424 return; 4425 } 4426 jobject peer = GetPeer(env); 4427 jobject target = env->GetObjectField(peer, AwtObject::targetID); 4428 4429 HDC hDC = drawInfo.hDC; 4430 RECT rect = drawInfo.rcItem; 4431 4432 BOOL bEnabled = isEnabled(); 4433 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable(); 4434 DWORD crBack, crText; 4435 if (drawInfo.itemState & ODS_SELECTED){ 4436 /* Set background and text colors for selected item */ 4437 crBack = ::GetSysColor (COLOR_HIGHLIGHT); 4438 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT); 4439 } else { 4440 /* Set background and text colors for unselected item */ 4441 crBack = GetBackgroundColor(); 4442 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT); 4443 } 4444 if (unfocusableChoice) { 4445 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box. 4446 crBack = GetBackgroundColor(); 4447 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT); 4448 } 4449 4450 /* Fill item rectangle with background color */ 4451 HBRUSH hbrBack = ::CreateSolidBrush (crBack); 4452 DASSERT(hbrBack); 4453 /* 6190728. Shouldn't draw any kind of rectangle around selection field 4454 * (edit control) of an owner-drawn combo box while unfocusable 4455 */ 4456 if (!unfocusableChoice){ 4457 VERIFY(::FillRect (hDC, &rect, hbrBack)); 4458 } 4459 VERIFY(::DeleteObject (hbrBack)); 4460 4461 /* Set current background and text colors */ 4462 ::SetBkColor (hDC, crBack); 4463 ::SetTextColor (hDC, crText); 4464 4465 /*draw string (with left margin of 1 point) */ 4466 if ((int) (drawInfo.itemID) >= 0) { 4467 jobject font = GET_FONT(target, peer); 4468 jstring text = GetItemString(env, target, drawInfo.itemID); 4469 if (env->ExceptionCheck()) { 4470 env->DeleteLocalRef(font); 4471 env->DeleteLocalRef(target); 4472 return; 4473 } 4474 SIZE size = AwtFont::getMFStringSize(hDC, font, text); 4475 AwtFont::drawMFString(hDC, font, text, 4476 (GetRTL()) ? rect.right - size.cx - 1 4477 : rect.left + 1, 4478 (rect.top + rect.bottom - size.cy) / 2, 4479 GetCodePage()); 4480 env->DeleteLocalRef(font); 4481 env->DeleteLocalRef(text); 4482 } 4483 if ((drawInfo.itemState & ODS_FOCUS) && 4484 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) { 4485 if (!unfocusableChoice){ 4486 if(::DrawFocusRect(hDC, &rect) == 0) 4487 VERIFY(::GetLastError() == 0); 4488 } 4489 } 4490 env->DeleteLocalRef(target); 4491 } 4492 4493 /* for MeasureListItem method and WmDrawItem method of Checkbox */ 4494 jint AwtComponent::GetFontHeight(JNIEnv *env) 4495 { 4496 if (env->EnsureLocalCapacity(4) < 0) { 4497 return NULL; 4498 } 4499 jobject self = GetPeer(env); 4500 jobject target = env->GetObjectField(self, AwtObject::targetID); 4501 4502 jobject font = GET_FONT(target, self); 4503 jobject toolkit = env->CallObjectMethod(target, 4504 AwtComponent::getToolkitMID); 4505 4506 DASSERT(!safe_ExceptionOccurred(env)); 4507 4508 jobject fontMetrics = 4509 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font); 4510 4511 DASSERT(!safe_ExceptionOccurred(env)); 4512 4513 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID); 4514 DASSERT(!safe_ExceptionOccurred(env)); 4515 4516 env->DeleteLocalRef(target); 4517 env->DeleteLocalRef(font); 4518 env->DeleteLocalRef(toolkit); 4519 env->DeleteLocalRef(fontMetrics); 4520 4521 return height; 4522 } 4523 4524 // If you override WmPrint, make sure to save a copy of the DC on the GDI 4525 // stack to be restored in WmPrintClient. Windows mangles the DC in 4526 // ::DefWindowProc. 4527 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags) 4528 { 4529 /* 4530 * DefWindowProc for WM_PRINT changes DC parameters, so we have 4531 * to restore it ourselves. Otherwise it will cause problems 4532 * when several components are printed to the same DC. 4533 */ 4534 int nOriginalDC = ::SaveDC(hDC); 4535 DASSERT(nOriginalDC != 0); 4536 4537 if (flags & PRF_NONCLIENT) { 4538 4539 VERIFY(::SaveDC(hDC)); 4540 4541 DefWindowProc(WM_PRINT, (WPARAM)hDC, 4542 (flags & (PRF_NONCLIENT 4543 | PRF_CHECKVISIBLE | PRF_ERASEBKGND))); 4544 4545 VERIFY(::RestoreDC(hDC, -1)); 4546 4547 // Special case for components with a sunken border. Windows does not 4548 // print the border correctly on PCL printers, so we have to do it ourselves. 4549 if (GetStyleEx() & WS_EX_CLIENTEDGE) { 4550 RECT r; 4551 VERIFY(::GetWindowRect(GetHWnd(), &r)); 4552 VERIFY(::OffsetRect(&r, -r.left, -r.top)); 4553 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT)); 4554 } 4555 } 4556 4557 if (flags & PRF_CLIENT) { 4558 4559 /* 4560 * Special case for components with a sunken border. 4561 * Windows prints a client area without offset to a border width. 4562 * We will first print the non-client area with the original offset, 4563 * then the client area with a corrected offset. 4564 */ 4565 if (GetStyleEx() & WS_EX_CLIENTEDGE) { 4566 4567 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE); 4568 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE); 4569 4570 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL)); 4571 4572 // Save a copy of the DC for WmPrintClient 4573 VERIFY(::SaveDC(hDC)); 4574 4575 DefWindowProc(WM_PRINT, (WPARAM) hDC, 4576 (flags & (PRF_CLIENT 4577 | PRF_CHECKVISIBLE | PRF_ERASEBKGND))); 4578 4579 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL)); 4580 4581 } else { 4582 4583 // Save a copy of the DC for WmPrintClient 4584 VERIFY(::SaveDC(hDC)); 4585 DefWindowProc(WM_PRINT, (WPARAM) hDC, 4586 (flags & (PRF_CLIENT 4587 | PRF_CHECKVISIBLE | PRF_ERASEBKGND))); 4588 } 4589 } 4590 4591 if (flags & (PRF_CHILDREN | PRF_OWNED)) { 4592 DefWindowProc(WM_PRINT, (WPARAM) hDC, 4593 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT)); 4594 } 4595 4596 VERIFY(::RestoreDC(hDC, nOriginalDC)); 4597 4598 return mrConsume; 4599 } 4600 4601 // If you override WmPrintClient, make sure to obtain a valid copy of 4602 // the DC from the GDI stack. The copy of the DC should have been placed 4603 // there by WmPrint. Windows mangles the DC in ::DefWindowProc. 4604 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM) 4605 { 4606 // obtain valid DC from GDI stack 4607 ::RestoreDC(hDC, -1); 4608 4609 return mrDoDefault; 4610 } 4611 4612 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects, 4613 LPNCCALCSIZE_PARAMS lpncsp, 4614 LRESULT &retVal) 4615 { 4616 return mrDoDefault; 4617 } 4618 4619 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn) 4620 { 4621 return mrDoDefault; 4622 } 4623 4624 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal) 4625 { 4626 return mrDoDefault; 4627 } 4628 4629 /** 4630 * WmQueryNewPalette is called whenever our component is coming to 4631 * the foreground; this gives us an opportunity to install our 4632 * custom palette. If this install actually changes entries in 4633 * the system palette, then we get a further call to WmPaletteChanged 4634 * (but note that we only need to realize our palette once). 4635 */ 4636 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal) 4637 { 4638 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4639 m_QueryNewPaletteCalled = TRUE; 4640 HDC hDC = ::GetDC(GetHWnd()); 4641 DASSERT(hDC); 4642 AwtWin32GraphicsDevice::SelectPalette(hDC, screen); 4643 AwtWin32GraphicsDevice::RealizePalette(hDC, screen); 4644 ::ReleaseDC(GetHWnd(), hDC); 4645 // We must realize the palettes of all of our DC's 4646 // There is sometimes a problem where the realization of 4647 // our temporary hDC here does not actually do what 4648 // we want. Not clear why, but presumably fallout from 4649 // our use of several simultaneous hDC's. 4650 activeDCList.RealizePalettes(screen); 4651 // Do not invalidate here; if the palette 4652 // has not changed we will get an extra repaint 4653 retVal = TRUE; 4654 4655 return mrDoDefault; 4656 } 4657 4658 /** 4659 * We should not need to track this event since we handle our 4660 * palette management effectively in the WmQueryNewPalette and 4661 * WmPaletteChanged methods. However, there seems to be a bug 4662 * on some win32 systems (e.g., NT4) whereby the palette 4663 * immediately after a displayChange is not yet updated to its 4664 * final post-display-change values (hence we adjust our palette 4665 * using the wrong system palette entries), then the palette is 4666 * updated, but a WM_PALETTECHANGED message is never sent. 4667 * By tracking the ISCHANGING message as well (and by tracking 4668 * displayChange events in the AwtToolkit object), we can account 4669 * for this error by forcing our WmPaletteChanged method to be 4670 * called and thereby realizing our logical palette and updating 4671 * our dynamic colorModel object. 4672 */ 4673 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg) 4674 { 4675 if (AwtToolkit::GetInstance().HasDisplayChanged()) { 4676 WmPaletteChanged(hwndPalChg); 4677 AwtToolkit::GetInstance().ResetDisplayChanged(); 4678 } 4679 return mrDoDefault; 4680 } 4681 4682 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg) 4683 { 4684 // We need to re-realize our palette here (unless we're the one 4685 // that was realizing it in the first place). That will let us match the 4686 // remaining colors in the system palette as best we can. We always 4687 // invalidate because the palette will have changed when we receive this 4688 // message. 4689 4690 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4691 if (hwndPalChg != GetHWnd()) { 4692 HDC hDC = ::GetDC(GetHWnd()); 4693 DASSERT(hDC); 4694 AwtWin32GraphicsDevice::SelectPalette(hDC, screen); 4695 AwtWin32GraphicsDevice::RealizePalette(hDC, screen); 4696 ::ReleaseDC(GetHWnd(), hDC); 4697 // We must realize the palettes of all of our DC's 4698 activeDCList.RealizePalettes(screen); 4699 } 4700 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) { 4701 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen); 4702 } 4703 Invalidate(NULL); 4704 return mrDoDefault; 4705 } 4706 4707 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss) 4708 { 4709 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT))); 4710 return mrDoDefault; 4711 } 4712 4713 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection) 4714 { 4715 DASSERT(!IsBadStringPtr(pszSection, 20)); 4716 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection); 4717 return mrDoDefault; 4718 } 4719 4720 HDC AwtComponent::GetDCFromComponent() 4721 { 4722 GetDCReturnStruct *hdcStruct = 4723 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC); 4724 HDC hdc; 4725 if (hdcStruct) { 4726 if (hdcStruct->gdiLimitReached) { 4727 if (jvm != NULL) { 4728 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4729 if (env != NULL && !safe_ExceptionOccurred(env)) { 4730 JNU_ThrowByName(env, "java/awt/AWTError", 4731 "HDC creation failure - " \ 4732 "exceeded maximum GDI resources"); 4733 } 4734 } 4735 } 4736 hdc = hdcStruct->hDC; 4737 delete hdcStruct; 4738 } else { 4739 hdc = NULL; 4740 } 4741 return hdc; 4742 } 4743 4744 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size) 4745 { 4746 RECT eraseR = { 0, 0, size.cx, size.cy }; 4747 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush())); 4748 } 4749 4750 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha) 4751 { 4752 if (!bitmapBits) { 4753 return; 4754 } 4755 4756 DWORD* dest = (DWORD*)bitmapBits; 4757 //XXX: might be optimized to use one loop (cy*cx -> 0) 4758 for (int i = 0; i < size.cy; i++ ) { 4759 for (int j = 0; j < size.cx; j++ ) { 4760 ((BYTE*)(dest++))[3] = alpha; 4761 } 4762 } 4763 } 4764 4765 int AwtComponent::ScaleUpX(int x) { 4766 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4767 Devices::InstanceAccess devices; 4768 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4769 return device == NULL ? x : device->ScaleUpX(x); 4770 } 4771 4772 int AwtComponent::ScaleUpY(int y) { 4773 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4774 Devices::InstanceAccess devices; 4775 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4776 return device == NULL ? y : device->ScaleUpY(y); 4777 } 4778 4779 int AwtComponent::ScaleDownX(int x) { 4780 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4781 Devices::InstanceAccess devices; 4782 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4783 return device == NULL ? x : device->ScaleDownX(x); 4784 } 4785 4786 int AwtComponent::ScaleDownY(int y) { 4787 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd()); 4788 Devices::InstanceAccess devices; 4789 AwtWin32GraphicsDevice* device = devices->GetDevice(screen); 4790 return device == NULL ? y : device->ScaleDownY(y); 4791 } 4792 4793 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) { 4794 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4795 4796 if (!::IsWindowVisible(GetHWnd())) { 4797 return NULL; 4798 } 4799 4800 HDC hdc = GetDCFromComponent(); 4801 if (!hdc) { 4802 return NULL; 4803 } 4804 HDC hMemoryDC = ::CreateCompatibleDC(hdc); 4805 void *bitmapBits = NULL; 4806 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits); 4807 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap); 4808 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc); 4809 4810 FillBackground(hMemoryDC, size); 4811 4812 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL)); 4813 4814 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible 4815 // above. 4816 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT); 4817 4818 // First make sure the system completed any drawing to the bitmap. 4819 ::GdiFlush(); 4820 4821 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap 4822 // leaving it equal to zero. Hence we need to fill it manually. Otherwise 4823 // the pixels will be considered transparent when interpreting the data. 4824 FillAlpha(bitmapBits, size, alpha); 4825 4826 ::SelectObject(hMemoryDC, hOldBitmap); 4827 4828 BITMAPINFO bmi; 4829 memset(&bmi, 0, sizeof(BITMAPINFO)); 4830 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); 4831 bmi.bmiHeader.biWidth = size.cx; 4832 bmi.bmiHeader.biHeight = -size.cy; 4833 bmi.bmiHeader.biPlanes = 1; 4834 bmi.bmiHeader.biBitCount = 32; 4835 bmi.bmiHeader.biCompression = BI_RGB; 4836 4837 jobject localPixelArray = env->NewIntArray(size.cx * size.cy); 4838 jintArray pixelArray = NULL; 4839 if (localPixelArray != NULL) { 4840 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray); 4841 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL; 4842 4843 jboolean isCopy; 4844 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy); 4845 4846 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi, 4847 DIB_RGB_COLORS); 4848 4849 env->ReleaseIntArrayElements(pixelArray, pixels, 0); 4850 } 4851 4852 VERIFY(::DeleteObject(hBitmap)); 4853 VERIFY(::DeleteDC(hMemoryDC)); 4854 4855 return pixelArray; 4856 } 4857 4858 void* AwtComponent::SetNativeFocusOwner(void *self) { 4859 if (self == NULL) { 4860 // It means that the KFM wants to set focus to null 4861 sm_focusOwner = NULL; 4862 return NULL; 4863 } 4864 4865 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4866 4867 AwtComponent *c = NULL; 4868 jobject peer = (jobject)self; 4869 4870 PDATA pData; 4871 JNI_CHECK_NULL_GOTO(peer, "peer", ret); 4872 pData = JNI_GET_PDATA(peer); 4873 if (pData == NULL) { 4874 goto ret; 4875 } 4876 c = (AwtComponent *)pData; 4877 4878 ret: 4879 if (c && ::IsWindow(c->GetHWnd())) { 4880 sm_focusOwner = c->GetHWnd(); 4881 } else { 4882 sm_focusOwner = NULL; 4883 } 4884 env->DeleteGlobalRef(peer); 4885 return NULL; 4886 } 4887 4888 void* AwtComponent::GetNativeFocusedWindow() { 4889 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4890 AwtComponent *comp = 4891 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow()); 4892 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL; 4893 } 4894 4895 void* AwtComponent::GetNativeFocusOwner() { 4896 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4897 AwtComponent *comp = 4898 AwtComponent::GetComponent(AwtComponent::sm_focusOwner); 4899 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL; 4900 } 4901 4902 AwtComponent* AwtComponent::SearchChild(UINT id) { 4903 ChildListItem* child; 4904 for (child = m_childList; child != NULL;child = child->m_next) { 4905 if (child->m_ID == id) 4906 return child->m_Component; 4907 } 4908 /* 4909 * DASSERT(FALSE); 4910 * This should not be happend if all children are recorded 4911 */ 4912 return NULL; /* make compiler happy */ 4913 } 4914 4915 void AwtComponent::RemoveChild(UINT id) { 4916 ChildListItem* child = m_childList; 4917 ChildListItem* lastChild = NULL; 4918 while (child != NULL) { 4919 if (child->m_ID == id) { 4920 if (lastChild == NULL) { 4921 m_childList = child->m_next; 4922 } else { 4923 lastChild->m_next = child->m_next; 4924 } 4925 child->m_next = NULL; 4926 DASSERT(child != NULL); 4927 delete child; 4928 return; 4929 } 4930 lastChild = child; 4931 child = child->m_next; 4932 } 4933 } 4934 4935 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked, 4936 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg) 4937 { 4938 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 4939 CriticalSection::Lock l(GetLock()); 4940 if (GetPeer(env) == NULL) { 4941 /* event received during termination. */ 4942 return; 4943 } 4944 4945 static jclass keyEventCls; 4946 if (keyEventCls == NULL) { 4947 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent"); 4948 DASSERT(keyEventClsLocal); 4949 if (keyEventClsLocal == NULL) { 4950 /* exception already thrown */ 4951 return; 4952 } 4953 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal); 4954 env->DeleteLocalRef(keyEventClsLocal); 4955 } 4956 4957 static jmethodID keyEventConst; 4958 if (keyEventConst == NULL) { 4959 keyEventConst = env->GetMethodID(keyEventCls, "<init>", 4960 "(Ljava/awt/Component;IJIICI)V"); 4961 DASSERT(keyEventConst); 4962 CHECK_NULL(keyEventConst); 4963 } 4964 if (env->EnsureLocalCapacity(2) < 0) { 4965 return; 4966 } 4967 jobject target = GetTarget(env); 4968 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target, 4969 id, when, modifiers, raw, cooked, 4970 keyLocation); 4971 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe(); 4972 DASSERT(!safe_ExceptionOccurred(env)); 4973 DASSERT(keyEvent != NULL); 4974 if (keyEvent == NULL) { 4975 env->DeleteLocalRef(target); 4976 return; 4977 } 4978 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode); 4979 if( nativeCode && nativeCode < 256 ) { 4980 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode)); 4981 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey)); 4982 if( nativeCode < 255 ) { 4983 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode)); 4984 }else if( pMsg != NULL ) { 4985 // unknown key with virtual keycode 0xFF. 4986 // Its scancode is not in the table, pickup it from the message. 4987 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF)); 4988 } 4989 } 4990 if (pMsg != NULL) { 4991 AwtAWTEvent::saveMSG(env, pMsg, keyEvent); 4992 } 4993 SendEvent(keyEvent); 4994 4995 env->DeleteLocalRef(keyEvent); 4996 env->DeleteLocalRef(target); 4997 } 4998 4999 void 5000 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when, 5001 jint raw, jint cooked, 5002 jint modifiers, jint keyLocation, 5003 jlong nativeCode, 5004 MSG *msg) 5005 { 5006 /* 5007 * if focus owner is null, but focused window isn't 5008 * we will send key event to focused window 5009 */ 5010 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow()); 5011 5012 if (hwndTarget == GetHWnd()) { 5013 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg); 5014 } else { 5015 AwtComponent *target = NULL; 5016 if (hwndTarget != NULL) { 5017 target = AwtComponent::GetComponent(hwndTarget); 5018 if (target == NULL) { 5019 target = this; 5020 } 5021 } 5022 if (target != NULL) { 5023 target->SendKeyEvent(id, when, raw, cooked, modifiers, 5024 keyLocation, nativeCode, msg); 5025 } 5026 } 5027 } 5028 5029 void AwtComponent::SetDragCapture(UINT flags) 5030 { 5031 // don't want to interfere with other controls 5032 if (::GetCapture() == NULL) { 5033 ::SetCapture(GetHWnd()); 5034 } 5035 } 5036 5037 void AwtComponent::ReleaseDragCapture(UINT flags) 5038 { 5039 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) { 5040 // user has released all buttons, so release the capture 5041 ::ReleaseCapture(); 5042 } 5043 } 5044 5045 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y, 5046 jint modifiers, jint clickCount, 5047 jboolean popupTrigger, jint button, 5048 MSG *pMsg, BOOL causedByTouchEvent) 5049 { 5050 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5051 CriticalSection::Lock l(GetLock()); 5052 if (GetPeer(env) == NULL) { 5053 /* event received during termination. */ 5054 return; 5055 } 5056 5057 static jclass mouseEventCls; 5058 if (mouseEventCls == NULL) { 5059 jclass mouseEventClsLocal = 5060 env->FindClass("java/awt/event/MouseEvent"); 5061 CHECK_NULL(mouseEventClsLocal); 5062 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal); 5063 env->DeleteLocalRef(mouseEventClsLocal); 5064 } 5065 RECT insets; 5066 GetInsets(&insets); 5067 5068 static jmethodID mouseEventConst; 5069 if (mouseEventConst == NULL) { 5070 mouseEventConst = 5071 env->GetMethodID(mouseEventCls, "<init>", 5072 "(Ljava/awt/Component;IJIIIIIIZI)V"); 5073 DASSERT(mouseEventConst); 5074 CHECK_NULL(mouseEventConst); 5075 } 5076 if (env->EnsureLocalCapacity(2) < 0) { 5077 return; 5078 } 5079 jobject target = GetTarget(env); 5080 DWORD curMousePos = ::GetMessagePos(); 5081 int xAbs = GET_X_LPARAM(curMousePos); 5082 int yAbs = GET_Y_LPARAM(curMousePos); 5083 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst, 5084 target, 5085 id, when, modifiers, 5086 ScaleDownX(x + insets.left), 5087 ScaleDownY(y + insets.top), 5088 ScaleDownX(xAbs), ScaleDownY(yAbs), 5089 clickCount, popupTrigger, button); 5090 5091 if (safe_ExceptionOccurred(env)) { 5092 env->ExceptionDescribe(); 5093 env->ExceptionClear(); 5094 } 5095 5096 DASSERT(mouseEvent != NULL); 5097 CHECK_NULL(mouseEvent); 5098 if (causedByTouchEvent) { 5099 env->SetBooleanField(mouseEvent, AwtMouseEvent::causedByTouchEventID, 5100 JNI_TRUE); 5101 } 5102 if (pMsg != 0) { 5103 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent); 5104 } 5105 SendEvent(mouseEvent); 5106 5107 env->DeleteLocalRef(mouseEvent); 5108 env->DeleteLocalRef(target); 5109 } 5110 5111 void 5112 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y, 5113 jint modifiers, jint clickCount, 5114 jboolean popupTrigger, jint scrollType, 5115 jint scrollAmount, jint roundedWheelRotation, 5116 jdouble preciseWheelRotation, MSG *pMsg) 5117 { 5118 /* Code based not so loosely on AwtComponent::SendMouseEvent */ 5119 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5120 CriticalSection::Lock l(GetLock()); 5121 if (GetPeer(env) == NULL) { 5122 /* event received during termination. */ 5123 return; 5124 } 5125 5126 static jclass mouseWheelEventCls; 5127 if (mouseWheelEventCls == NULL) { 5128 jclass mouseWheelEventClsLocal = 5129 env->FindClass("java/awt/event/MouseWheelEvent"); 5130 CHECK_NULL(mouseWheelEventClsLocal); 5131 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal); 5132 env->DeleteLocalRef(mouseWheelEventClsLocal); 5133 } 5134 RECT insets; 5135 GetInsets(&insets); 5136 5137 static jmethodID mouseWheelEventConst; 5138 if (mouseWheelEventConst == NULL) { 5139 mouseWheelEventConst = 5140 env->GetMethodID(mouseWheelEventCls, "<init>", 5141 "(Ljava/awt/Component;IJIIIIIIZIIID)V"); 5142 DASSERT(mouseWheelEventConst); 5143 CHECK_NULL(mouseWheelEventConst); 5144 } 5145 if (env->EnsureLocalCapacity(2) < 0) { 5146 return; 5147 } 5148 jobject target = GetTarget(env); 5149 DWORD curMousePos = ::GetMessagePos(); 5150 int xAbs = GET_X_LPARAM(curMousePos); 5151 int yAbs = GET_Y_LPARAM(curMousePos); 5152 5153 DTRACE_PRINTLN("creating MWE in JNI"); 5154 5155 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls, 5156 mouseWheelEventConst, 5157 target, 5158 id, when, modifiers, 5159 ScaleDownX(x + insets.left), 5160 ScaleDownY(y + insets.top), 5161 ScaleDownX(xAbs), 5162 ScaleDownY(yAbs), 5163 clickCount, popupTrigger, 5164 scrollType, scrollAmount, 5165 roundedWheelRotation, preciseWheelRotation); 5166 5167 DASSERT(mouseWheelEvent != NULL); 5168 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) { 5169 env->ExceptionDescribe(); 5170 env->ExceptionClear(); 5171 env->DeleteLocalRef(target); 5172 return; 5173 } 5174 if (pMsg != NULL) { 5175 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent); 5176 } 5177 SendEvent(mouseWheelEvent); 5178 5179 env->DeleteLocalRef(mouseWheelEvent); 5180 env->DeleteLocalRef(target); 5181 } 5182 5183 void AwtComponent::SendFocusEvent(jint id, HWND opposite) 5184 { 5185 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5186 5187 CriticalSection::Lock l(GetLock()); 5188 if (GetPeer(env) == NULL) { 5189 /* event received during termination. */ 5190 return; 5191 } 5192 5193 static jclass focusEventCls; 5194 if (focusEventCls == NULL) { 5195 jclass focusEventClsLocal 5196 = env->FindClass("java/awt/event/FocusEvent"); 5197 DASSERT(focusEventClsLocal); 5198 CHECK_NULL(focusEventClsLocal); 5199 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal); 5200 env->DeleteLocalRef(focusEventClsLocal); 5201 } 5202 5203 static jmethodID focusEventConst; 5204 if (focusEventConst == NULL) { 5205 focusEventConst = 5206 env->GetMethodID(focusEventCls, "<init>", 5207 "(Ljava/awt/Component;IZLjava/awt/Component;)V"); 5208 DASSERT(focusEventConst); 5209 CHECK_NULL(focusEventConst); 5210 } 5211 5212 static jclass sequencedEventCls; 5213 if (sequencedEventCls == NULL) { 5214 jclass sequencedEventClsLocal = 5215 env->FindClass("java/awt/SequencedEvent"); 5216 DASSERT(sequencedEventClsLocal); 5217 CHECK_NULL(sequencedEventClsLocal); 5218 sequencedEventCls = 5219 (jclass)env->NewGlobalRef(sequencedEventClsLocal); 5220 env->DeleteLocalRef(sequencedEventClsLocal); 5221 } 5222 5223 static jmethodID sequencedEventConst; 5224 if (sequencedEventConst == NULL) { 5225 sequencedEventConst = 5226 env->GetMethodID(sequencedEventCls, "<init>", 5227 "(Ljava/awt/AWTEvent;)V"); 5228 DASSERT(sequencedEventConst); 5229 CHECK_NULL(sequencedEventConst); 5230 } 5231 5232 if (env->EnsureLocalCapacity(3) < 0) { 5233 return; 5234 } 5235 5236 jobject target = GetTarget(env); 5237 jobject jOpposite = NULL; 5238 if (opposite != NULL) { 5239 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite); 5240 if (awtOpposite != NULL) { 5241 jOpposite = awtOpposite->GetTarget(env); 5242 } 5243 } 5244 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst, 5245 target, id, JNI_FALSE, jOpposite); 5246 DASSERT(!safe_ExceptionOccurred(env)); 5247 DASSERT(focusEvent != NULL); 5248 if (jOpposite != NULL) { 5249 env->DeleteLocalRef(jOpposite); jOpposite = NULL; 5250 } 5251 env->DeleteLocalRef(target); target = NULL; 5252 CHECK_NULL(focusEvent); 5253 5254 jobject sequencedEvent = env->NewObject(sequencedEventCls, 5255 sequencedEventConst, 5256 focusEvent); 5257 DASSERT(!safe_ExceptionOccurred(env)); 5258 DASSERT(sequencedEvent != NULL); 5259 env->DeleteLocalRef(focusEvent); focusEvent = NULL; 5260 CHECK_NULL(sequencedEvent); 5261 SendEvent(sequencedEvent); 5262 5263 env->DeleteLocalRef(sequencedEvent); 5264 } 5265 5266 /* 5267 * Forward a filtered event directly to the subclassed window. 5268 * This method is needed so that DefWindowProc is invoked on the 5269 * component's owning thread. 5270 */ 5271 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL) 5272 { 5273 DefWindowProc(msg->message, msg->wParam, msg->lParam); 5274 delete msg; 5275 return mrConsume; 5276 } 5277 5278 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent 5279 on the toolkit thread. This method may pre-filter the messages. */ 5280 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic) 5281 { 5282 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5283 // We should cut off keyboard events to disabled components 5284 // to avoid the components responding visually to keystrokes when disabled. 5285 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity 5286 // but to activate menus, close windows, etc 5287 switch(msg->message) { 5288 case WM_KEYDOWN: 5289 case WM_KEYUP: 5290 case WM_CHAR: 5291 case WM_DEADCHAR: 5292 { 5293 if (!isRecursivelyEnabled()) { 5294 goto quit; 5295 } 5296 break; 5297 } 5298 } 5299 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT, 5300 (WPARAM) synthetic, (LPARAM) msg)) { 5301 return TRUE; 5302 } else { 5303 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full."); 5304 } 5305 quit: 5306 delete msg; 5307 return FALSE; 5308 } 5309 5310 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent) 5311 { 5312 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID); 5313 UINT message; 5314 switch (id) { 5315 case java_awt_event_KeyEvent_KEY_PRESSED: 5316 message = WM_KEYDOWN; 5317 break; 5318 case java_awt_event_KeyEvent_KEY_RELEASED: 5319 message = WM_KEYUP; 5320 break; 5321 case java_awt_event_KeyEvent_KEY_TYPED: 5322 message = WM_CHAR; 5323 break; 5324 default: 5325 return; 5326 } 5327 5328 /* 5329 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate 5330 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys. 5331 */ 5332 if (id == java_awt_event_KeyEvent_KEY_TYPED) { 5333 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR 5334 // (for Edit control) 5335 jchar keyChar = (jchar) 5336 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID); 5337 5338 // Bugid 4724007. If it is a Delete character, don't send the fake 5339 // KEY_TYPED we created back to the native window: Windows doesn't 5340 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a 5341 // character after deleting. 5342 if (keyChar == '\177') { // the Delete character 5343 return; 5344 } 5345 5346 // Disable forwarding WM_CHAR messages to disabled components 5347 if (isRecursivelyEnabled()) { 5348 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR, 5349 MAKEWPARAM(keyChar, TRUE), 0)) { 5350 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full."); 5351 } 5352 } 5353 } else { 5354 jint keyCode = 5355 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID); 5356 UINT key, modifiers; 5357 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers); 5358 MSG* msg = CreateMessage(message, key, 0); 5359 PostHandleEventMessage(msg, TRUE); 5360 } 5361 } 5362 5363 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent) 5364 { 5365 /* DebugBreak(); */ 5366 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID); 5367 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID); 5368 5369 WPARAM wParam = 0; 5370 WORD wLow = 0; 5371 jint wheelAmt = 0; 5372 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID); 5373 UINT message; 5374 switch (id) { 5375 case java_awt_event_MouseEvent_MOUSE_PRESSED: { 5376 switch (button) { 5377 case java_awt_event_MouseEvent_BUTTON1: 5378 message = WM_LBUTTONDOWN; break; 5379 case java_awt_event_MouseEvent_BUTTON3: 5380 message = WM_MBUTTONDOWN; break; 5381 case java_awt_event_MouseEvent_BUTTON2: 5382 message = WM_RBUTTONDOWN; break; 5383 default: 5384 return; 5385 } 5386 break; 5387 } 5388 case java_awt_event_MouseEvent_MOUSE_RELEASED: { 5389 switch (button) { 5390 case java_awt_event_MouseEvent_BUTTON1: 5391 message = WM_LBUTTONUP; break; 5392 case java_awt_event_MouseEvent_BUTTON3: 5393 message = WM_MBUTTONUP; break; 5394 case java_awt_event_MouseEvent_BUTTON2: 5395 message = WM_RBUTTONUP; break; 5396 default: 5397 return; 5398 } 5399 break; 5400 } 5401 case java_awt_event_MouseEvent_MOUSE_MOVED: 5402 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */ 5403 case java_awt_event_MouseEvent_MOUSE_DRAGGED: 5404 message = WM_MOUSEMOVE; 5405 break; 5406 case java_awt_event_MouseEvent_MOUSE_WHEEL: 5407 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) { 5408 wLow |= MK_CONTROL; 5409 } 5410 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) { 5411 wLow |= MK_SHIFT; 5412 } 5413 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) { 5414 wLow |= MK_LBUTTON; 5415 } 5416 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) { 5417 wLow |= MK_RBUTTON; 5418 } 5419 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) { 5420 wLow |= MK_MBUTTON; 5421 } 5422 if (modifiers & X1_BUTTON) { 5423 wLow |= GetButtonMK(X1_BUTTON); 5424 } 5425 if (modifiers & X2_BUTTON) { 5426 wLow |= GetButtonMK(X2_BUTTON); 5427 } 5428 5429 wheelAmt = (jint)JNU_CallMethodByName(env, 5430 NULL, 5431 mouseEvent, 5432 "getWheelRotation", 5433 "()I").i; 5434 DASSERT(!safe_ExceptionOccurred(env)); 5435 JNU_CHECK_EXCEPTION(env); 5436 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt); 5437 5438 // convert Java wheel amount value to Win32 5439 wheelAmt *= -1 * WHEEL_DELTA; 5440 5441 message = WM_MOUSEWHEEL; 5442 wParam = MAKEWPARAM(wLow, wheelAmt); 5443 5444 break; 5445 default: 5446 return; 5447 } 5448 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID); 5449 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID); 5450 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y); 5451 PostHandleEventMessage(msg, TRUE); 5452 } 5453 5454 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;} 5455 5456 void AwtComponent::Invalidate(RECT* r) 5457 { 5458 ::InvalidateRect(GetHWnd(), r, FALSE); 5459 } 5460 5461 void AwtComponent::BeginValidate() 5462 { 5463 DASSERT(m_validationNestCount >= 0 && 5464 m_validationNestCount < 1000); // sanity check 5465 5466 if (m_validationNestCount == 0) { 5467 // begin deferred window positioning if we're not inside 5468 // another Begin/EndValidate pair 5469 DASSERT(m_hdwp == NULL); 5470 m_hdwp = ::BeginDeferWindowPos(32); 5471 } 5472 5473 m_validationNestCount++; 5474 } 5475 5476 void AwtComponent::EndValidate() 5477 { 5478 DASSERT(m_validationNestCount > 0 && 5479 m_validationNestCount < 1000); // sanity check 5480 DASSERT(m_hdwp != NULL); 5481 5482 m_validationNestCount--; 5483 if (m_validationNestCount == 0) { 5484 // if this call to EndValidate is not nested inside another 5485 // Begin/EndValidate pair, end deferred window positioning 5486 ::EndDeferWindowPos(m_hdwp); 5487 m_hdwp = NULL; 5488 } 5489 } 5490 5491 /** 5492 * HWND, AwtComponent and Java Peer interaction 5493 */ 5494 5495 /* 5496 *Link the C++, Java peer, and HWNDs together. 5497 */ 5498 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer) 5499 { 5500 /* 5501 * Bind all three objects together thru this C++ object, two-way to each: 5502 * JavaPeer <-> C++ <-> HWND 5503 * 5504 * C++ -> JavaPeer 5505 */ 5506 if (m_peerObject == NULL) { 5507 // This may have already been set up by CreateHWnd 5508 // And we don't want to create two references so we 5509 // will leave the prior one alone 5510 m_peerObject = env->NewGlobalRef(peer); 5511 } 5512 /* JavaPeer -> HWND */ 5513 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd)); 5514 5515 /* JavaPeer -> C++ */ 5516 JNI_SET_PDATA(peer, this); 5517 5518 /* HWND -> C++ */ 5519 SetComponentInHWND(); 5520 } 5521 5522 /* Cleanup above linking */ 5523 void AwtComponent::UnlinkObjects() 5524 { 5525 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5526 if (m_peerObject) { 5527 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0); 5528 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL)); 5529 JNI_SET_DESTROYED(m_peerObject); 5530 env->DeleteGlobalRef(m_peerObject); 5531 m_peerObject = NULL; 5532 } 5533 } 5534 5535 void AwtComponent::Enable(BOOL bEnable) 5536 { 5537 if (bEnable && IsTopLevel()) { 5538 // we should not enable blocked toplevels 5539 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd())); 5540 } 5541 // Shouldn't trigger native focus change 5542 // (only the proxy may be the native focus owner). 5543 ::EnableWindow(GetHWnd(), bEnable); 5544 5545 CriticalSection::Lock l(GetLock()); 5546 VerifyState(); 5547 } 5548 5549 /* 5550 * associate an AwtDropTarget with this AwtComponent 5551 */ 5552 5553 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) { 5554 m_dropTarget = new AwtDropTarget(env, this); 5555 m_dropTarget->RegisterTarget(TRUE); 5556 return m_dropTarget; 5557 } 5558 5559 /* 5560 * disassociate an AwtDropTarget with this AwtComponent 5561 */ 5562 5563 void AwtComponent::DestroyDropTarget() { 5564 if (m_dropTarget != NULL) { 5565 m_dropTarget->RegisterTarget(FALSE); 5566 m_dropTarget->Release(); 5567 m_dropTarget = NULL; 5568 } 5569 } 5570 5571 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) { 5572 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK; 5573 } 5574 5575 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) { 5576 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE; 5577 } 5578 5579 void AwtComponent::_Show(void *param) 5580 { 5581 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5582 5583 jobject self = (jobject)param; 5584 5585 AwtComponent *p; 5586 5587 PDATA pData; 5588 JNI_CHECK_PEER_GOTO(self, ret); 5589 p = (AwtComponent *)pData; 5590 if (::IsWindow(p->GetHWnd())) 5591 { 5592 p->SendMessage(WM_AWT_COMPONENT_SHOW); 5593 } 5594 ret: 5595 env->DeleteGlobalRef(self); 5596 } 5597 5598 void AwtComponent::_Hide(void *param) 5599 { 5600 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5601 5602 jobject self = (jobject)param; 5603 5604 AwtComponent *p; 5605 5606 PDATA pData; 5607 JNI_CHECK_PEER_GOTO(self, ret); 5608 p = (AwtComponent *)pData; 5609 if (::IsWindow(p->GetHWnd())) 5610 { 5611 p->SendMessage(WM_AWT_COMPONENT_HIDE); 5612 } 5613 ret: 5614 env->DeleteGlobalRef(self); 5615 } 5616 5617 void AwtComponent::_Enable(void *param) 5618 { 5619 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5620 5621 jobject self = (jobject)param; 5622 5623 AwtComponent *p; 5624 5625 PDATA pData; 5626 JNI_CHECK_PEER_GOTO(self, ret); 5627 p = (AwtComponent *)pData; 5628 if (::IsWindow(p->GetHWnd())) 5629 { 5630 p->Enable(TRUE); 5631 } 5632 ret: 5633 env->DeleteGlobalRef(self); 5634 } 5635 5636 void AwtComponent::_Disable(void *param) 5637 { 5638 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5639 5640 jobject self = (jobject)param; 5641 5642 AwtComponent *p; 5643 5644 PDATA pData; 5645 JNI_CHECK_PEER_GOTO(self, ret); 5646 p = (AwtComponent *)pData; 5647 if (::IsWindow(p->GetHWnd())) 5648 { 5649 p->Enable(FALSE); 5650 } 5651 ret: 5652 env->DeleteGlobalRef(self); 5653 } 5654 5655 jobject AwtComponent::_GetLocationOnScreen(void *param) 5656 { 5657 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5658 5659 jobject self = (jobject)param; 5660 5661 jobject result = NULL; 5662 AwtComponent *p; 5663 5664 PDATA pData; 5665 JNI_CHECK_PEER_GOTO(self, ret); 5666 p = (AwtComponent *)pData; 5667 if (::IsWindow(p->GetHWnd())) 5668 { 5669 RECT rect; 5670 VERIFY(::GetWindowRect(p->GetHWnd(),&rect)); 5671 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V", 5672 p->ScaleDownX(rect.left), 5673 p->ScaleDownY(rect.top)); 5674 } 5675 ret: 5676 env->DeleteGlobalRef(self); 5677 5678 if (result != NULL) 5679 { 5680 jobject resultGlobalRef = env->NewGlobalRef(result); 5681 env->DeleteLocalRef(result); 5682 return resultGlobalRef; 5683 } 5684 else 5685 { 5686 return NULL; 5687 } 5688 } 5689 5690 void AwtComponent::_Reshape(void *param) 5691 { 5692 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5693 5694 ReshapeStruct *rs = (ReshapeStruct*)param; 5695 jobject self = rs->component; 5696 jint x = rs->x; 5697 jint y = rs->y; 5698 jint w = rs->w; 5699 jint h = rs->h; 5700 5701 AwtComponent *p; 5702 5703 PDATA pData; 5704 JNI_CHECK_PEER_GOTO(self, ret); 5705 p = (AwtComponent *)pData; 5706 if (::IsWindow(p->GetHWnd())) 5707 { 5708 RECT* r = new RECT; 5709 ::SetRect(r, x, y, x + w, y + h); 5710 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r); 5711 } 5712 ret: 5713 env->DeleteGlobalRef(self); 5714 5715 delete rs; 5716 } 5717 5718 void AwtComponent::_ReshapeNoCheck(void *param) 5719 { 5720 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5721 5722 ReshapeStruct *rs = (ReshapeStruct*)param; 5723 jobject self = rs->component; 5724 jint x = rs->x; 5725 jint y = rs->y; 5726 jint w = rs->w; 5727 jint h = rs->h; 5728 5729 AwtComponent *p; 5730 5731 PDATA pData; 5732 JNI_CHECK_PEER_GOTO(self, ret); 5733 p = (AwtComponent *)pData; 5734 if (::IsWindow(p->GetHWnd())) 5735 { 5736 RECT* r = new RECT; 5737 ::SetRect(r, x, y, x + w, y + h); 5738 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r); 5739 } 5740 ret: 5741 env->DeleteGlobalRef(self); 5742 5743 delete rs; 5744 } 5745 5746 void AwtComponent::_NativeHandleEvent(void *param) 5747 { 5748 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5749 5750 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param; 5751 jobject self = nhes->component; 5752 jobject event = nhes->event; 5753 5754 AwtComponent *p; 5755 5756 PDATA pData; 5757 JNI_CHECK_NULL_GOTO(self, "peer", ret); 5758 pData = JNI_GET_PDATA(self); 5759 if (pData == NULL) { 5760 env->DeleteGlobalRef(self); 5761 if (event != NULL) { 5762 env->DeleteGlobalRef(event); 5763 } 5764 delete nhes; 5765 return; 5766 } 5767 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret); 5768 5769 p = (AwtComponent *)pData; 5770 if (::IsWindow(p->GetHWnd())) 5771 { 5772 if (env->EnsureLocalCapacity(1) < 0) { 5773 env->DeleteGlobalRef(self); 5774 env->DeleteGlobalRef(event); 5775 delete nhes; 5776 return; 5777 } 5778 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID); 5779 int id = (env)->GetIntField(event, AwtAWTEvent::idID); 5780 DASSERT(!safe_ExceptionOccurred(env)); 5781 if (bdata != 0) { 5782 MSG msg; 5783 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg); 5784 (env)->DeleteLocalRef(bdata); 5785 static BOOL keyDownConsumed = FALSE; 5786 static BOOL bCharChanged = FALSE; 5787 static WCHAR modifiedChar; 5788 WCHAR unicodeChar; 5789 5790 /* Remember if a KEY_PRESSED event is consumed, as an old model 5791 * program won't consume a subsequent KEY_TYPED event. 5792 */ 5793 jboolean consumed = 5794 (env)->GetBooleanField(event, AwtAWTEvent::consumedID); 5795 DASSERT(!safe_ExceptionOccurred(env)); 5796 5797 if (consumed) { 5798 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED); 5799 env->DeleteGlobalRef(self); 5800 env->DeleteGlobalRef(event); 5801 delete nhes; 5802 return; 5803 5804 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) { 5805 // Fix for 6637607: reset consuming 5806 keyDownConsumed = FALSE; 5807 } 5808 5809 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support 5810 * the old model. 5811 */ 5812 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) { 5813 keyDownConsumed = FALSE; 5814 env->DeleteGlobalRef(self); 5815 env->DeleteGlobalRef(event); 5816 delete nhes; 5817 return; 5818 } 5819 5820 /* Modify any event parameters, if necessary. */ 5821 if (self && pData && 5822 id >= java_awt_event_KeyEvent_KEY_FIRST && 5823 id <= java_awt_event_KeyEvent_KEY_LAST) { 5824 5825 AwtComponent* p = (AwtComponent*)pData; 5826 5827 jint keyCode = 5828 (env)->GetIntField(event, AwtKeyEvent::keyCodeID); 5829 jchar keyChar = 5830 (env)->GetCharField(event, AwtKeyEvent::keyCharID); 5831 jint modifiers = 5832 (env)->GetIntField(event, AwtInputEvent::modifiersID); 5833 5834 DASSERT(!safe_ExceptionOccurred(env)); 5835 5836 /* Check to see whether the keyCode or modifiers were changed 5837 on the keyPressed event, and tweak the following keyTyped 5838 event (if any) accodingly. */ 5839 switch (id) { 5840 case java_awt_event_KeyEvent_KEY_PRESSED: 5841 { 5842 UINT winKey = (UINT)msg.wParam; 5843 bCharChanged = FALSE; 5844 5845 if (winKey == VK_PROCESSKEY) { 5846 // Leave it up to IME 5847 break; 5848 } 5849 5850 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) { 5851 UINT newWinKey, ignored; 5852 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey); 5853 if (newWinKey != 0) { 5854 winKey = newWinKey; 5855 } 5856 } 5857 5858 BOOL isDeadKey = FALSE; 5859 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey); 5860 bCharChanged = (keyChar != modifiedChar); 5861 } 5862 break; 5863 5864 case java_awt_event_KeyEvent_KEY_RELEASED: 5865 { 5866 keyDownConsumed = FALSE; 5867 bCharChanged = FALSE; 5868 } 5869 break; 5870 5871 case java_awt_event_KeyEvent_KEY_TYPED: 5872 { 5873 if (bCharChanged) 5874 { 5875 unicodeChar = modifiedChar; 5876 } 5877 else 5878 { 5879 unicodeChar = keyChar; 5880 } 5881 bCharChanged = FALSE; 5882 5883 // Disable forwarding KEY_TYPED messages to peers of 5884 // disabled components 5885 if (p->isRecursivelyEnabled()) { 5886 // send the character back to the native window for 5887 // processing. The WM_AWT_FORWARD_CHAR handler will send 5888 // this character to DefWindowProc 5889 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR, 5890 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) { 5891 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full."); 5892 } 5893 } 5894 env->DeleteGlobalRef(self); 5895 env->DeleteGlobalRef(event); 5896 delete nhes; 5897 return; 5898 } 5899 break; 5900 5901 default: 5902 break; 5903 } 5904 } 5905 5906 // ignore all InputMethodEvents 5907 if (self && (pData = JNI_GET_PDATA(self)) && 5908 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST && 5909 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) { 5910 env->DeleteGlobalRef(self); 5911 env->DeleteGlobalRef(event); 5912 delete nhes; 5913 return; 5914 } 5915 5916 // Create copy for local msg 5917 MSG* pCopiedMsg = new MSG; 5918 memmove(pCopiedMsg, &msg, sizeof(MSG)); 5919 // Event handler deletes msg 5920 p->PostHandleEventMessage(pCopiedMsg, FALSE); 5921 5922 env->DeleteGlobalRef(self); 5923 env->DeleteGlobalRef(event); 5924 delete nhes; 5925 return; 5926 } 5927 5928 /* Forward any valid synthesized events. Currently only mouse and 5929 * key events are supported. 5930 */ 5931 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) { 5932 env->DeleteGlobalRef(self); 5933 env->DeleteGlobalRef(event); 5934 delete nhes; 5935 return; 5936 } 5937 5938 AwtComponent* p = (AwtComponent*)pData; 5939 if (id >= java_awt_event_KeyEvent_KEY_FIRST && 5940 id <= java_awt_event_KeyEvent_KEY_LAST) { 5941 p->SynthesizeKeyMessage(env, event); 5942 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST && 5943 id <= java_awt_event_MouseEvent_MOUSE_LAST) { 5944 p->SynthesizeMouseMessage(env, event); 5945 } 5946 } 5947 5948 ret: 5949 if (self != NULL) { 5950 env->DeleteGlobalRef(self); 5951 } 5952 if (event != NULL) { 5953 env->DeleteGlobalRef(event); 5954 } 5955 5956 delete nhes; 5957 } 5958 5959 void AwtComponent::_SetForeground(void *param) 5960 { 5961 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5962 5963 SetColorStruct *scs = (SetColorStruct *)param; 5964 jobject self = scs->component; 5965 jint rgb = scs->rgb; 5966 5967 AwtComponent *c = NULL; 5968 5969 PDATA pData; 5970 JNI_CHECK_PEER_GOTO(self, ret); 5971 c = (AwtComponent *)pData; 5972 if (::IsWindow(c->GetHWnd())) 5973 { 5974 c->SetColor(PALETTERGB((rgb>>16)&0xff, 5975 (rgb>>8)&0xff, 5976 (rgb)&0xff)); 5977 c->VerifyState(); 5978 } 5979 ret: 5980 env->DeleteGlobalRef(self); 5981 5982 delete scs; 5983 } 5984 5985 void AwtComponent::_SetBackground(void *param) 5986 { 5987 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 5988 5989 SetColorStruct *scs = (SetColorStruct *)param; 5990 jobject self = scs->component; 5991 jint rgb = scs->rgb; 5992 5993 AwtComponent *c = NULL; 5994 5995 PDATA pData; 5996 JNI_CHECK_PEER_GOTO(self, ret); 5997 c = (AwtComponent *)pData; 5998 if (::IsWindow(c->GetHWnd())) 5999 { 6000 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff, 6001 (rgb>>8)&0xff, 6002 (rgb)&0xff)); 6003 c->VerifyState(); 6004 } 6005 ret: 6006 env->DeleteGlobalRef(self); 6007 6008 delete scs; 6009 } 6010 6011 void AwtComponent::_SetFont(void *param) 6012 { 6013 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6014 6015 SetFontStruct *sfs = (SetFontStruct *)param; 6016 jobject self = sfs->component; 6017 jobject font = sfs->font; 6018 6019 AwtComponent *c = NULL; 6020 6021 PDATA pData; 6022 JNI_CHECK_PEER_GOTO(self, ret); 6023 JNI_CHECK_NULL_GOTO(font, "null font", ret); 6024 c = (AwtComponent *)pData; 6025 if (::IsWindow(c->GetHWnd())) 6026 { 6027 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID); 6028 if (awtFont == NULL) { 6029 /*arguments of AwtFont::Create are changed for multifont component */ 6030 awtFont = AwtFont::Create(env, font); 6031 } 6032 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont); 6033 6034 c->SetFont(awtFont); 6035 } 6036 ret: 6037 env->DeleteGlobalRef(self); 6038 env->DeleteGlobalRef(font); 6039 6040 delete sfs; 6041 } 6042 6043 // Sets or kills focus for a component. 6044 void AwtComponent::_SetFocus(void *param) 6045 { 6046 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6047 6048 SetFocusStruct *sfs = (SetFocusStruct *)param; 6049 jobject self = sfs->component; 6050 jboolean doSetFocus = sfs->doSetFocus; 6051 6052 AwtComponent *c = NULL; 6053 6054 PDATA pData; 6055 JNI_CHECK_NULL_GOTO(self, "peer", ret); 6056 pData = JNI_GET_PDATA(self); 6057 if (pData == NULL) { 6058 // do nothing just return false 6059 goto ret; 6060 } 6061 6062 c = (AwtComponent *)pData; 6063 if (::IsWindow(c->GetHWnd())) { 6064 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0); 6065 } 6066 ret: 6067 env->DeleteGlobalRef(self); 6068 6069 delete sfs; 6070 } 6071 6072 void AwtComponent::_Start(void *param) 6073 { 6074 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6075 6076 jobject self = (jobject)param; 6077 6078 AwtComponent *c = NULL; 6079 6080 PDATA pData; 6081 JNI_CHECK_PEER_GOTO(self, ret); 6082 c = (AwtComponent *)pData; 6083 if (::IsWindow(c->GetHWnd())) 6084 { 6085 jobject target = c->GetTarget(env); 6086 6087 /* Disable window if specified -- windows are enabled by default. */ 6088 jboolean enabled = (jboolean)env->GetBooleanField(target, 6089 AwtComponent::enabledID); 6090 if (!enabled) { 6091 ::EnableWindow(c->GetHWnd(), FALSE); 6092 } 6093 6094 /* The peer is now ready for callbacks, since this is the last 6095 * initialization call 6096 */ 6097 c->EnableCallbacks(TRUE); 6098 6099 // Fix 4745222: we need to invalidate region since we validated it before initialization. 6100 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE); 6101 6102 // Fix 4530093: WM_PAINT after EnableCallbacks 6103 ::UpdateWindow(c->GetHWnd()); 6104 6105 env->DeleteLocalRef(target); 6106 } 6107 ret: 6108 env->DeleteGlobalRef(self); 6109 } 6110 6111 void AwtComponent::_BeginValidate(void *param) 6112 { 6113 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6114 if (AwtToolkit::IsMainThread()) { 6115 jobject self = (jobject)param; 6116 if (self != NULL) { 6117 PDATA pData = JNI_GET_PDATA(self); 6118 if (pData) { 6119 AwtComponent *c = (AwtComponent *)pData; 6120 if (::IsWindow(c->GetHWnd())) { 6121 c->SendMessage(WM_AWT_BEGIN_VALIDATE); 6122 } 6123 } 6124 env->DeleteGlobalRef(self); 6125 } 6126 } else { 6127 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param); 6128 } 6129 } 6130 6131 void AwtComponent::_EndValidate(void *param) 6132 { 6133 if (AwtToolkit::IsMainThread()) { 6134 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6135 jobject self = (jobject)param; 6136 if (self != NULL) { 6137 PDATA pData = JNI_GET_PDATA(self); 6138 if (pData) { 6139 AwtComponent *c = (AwtComponent *)pData; 6140 if (::IsWindow(c->GetHWnd())) { 6141 c->SendMessage(WM_AWT_END_VALIDATE); 6142 } 6143 } 6144 env->DeleteGlobalRef(self); 6145 } 6146 } else { 6147 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param); 6148 } 6149 } 6150 6151 void AwtComponent::_UpdateWindow(void *param) 6152 { 6153 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6154 if (AwtToolkit::IsMainThread()) { 6155 jobject self = (jobject)param; 6156 AwtComponent *c = NULL; 6157 PDATA pData; 6158 JNI_CHECK_PEER_GOTO(self, ret); 6159 c = (AwtComponent *)pData; 6160 if (::IsWindow(c->GetHWnd())) { 6161 ::UpdateWindow(c->GetHWnd()); 6162 } 6163 ret: 6164 env->DeleteGlobalRef(self); 6165 } else { 6166 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param); 6167 } 6168 } 6169 6170 jlong AwtComponent::_AddNativeDropTarget(void *param) 6171 { 6172 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6173 6174 jobject self = (jobject)param; 6175 6176 jlong result = 0; 6177 AwtComponent *c = NULL; 6178 6179 PDATA pData; 6180 JNI_CHECK_PEER_GOTO(self, ret); 6181 c = (AwtComponent *)pData; 6182 if (::IsWindow(c->GetHWnd())) 6183 { 6184 result = (jlong)(c->CreateDropTarget(env)); 6185 } 6186 ret: 6187 env->DeleteGlobalRef(self); 6188 6189 return result; 6190 } 6191 6192 void AwtComponent::_RemoveNativeDropTarget(void *param) 6193 { 6194 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6195 6196 jobject self = (jobject)param; 6197 6198 AwtComponent *c = NULL; 6199 6200 PDATA pData; 6201 JNI_CHECK_PEER_GOTO(self, ret); 6202 c = (AwtComponent *)pData; 6203 if (::IsWindow(c->GetHWnd())) 6204 { 6205 c->DestroyDropTarget(); 6206 } 6207 ret: 6208 env->DeleteGlobalRef(self); 6209 } 6210 6211 jintArray AwtComponent::_CreatePrintedPixels(void *param) 6212 { 6213 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6214 6215 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param; 6216 jobject self = cpps->component; 6217 6218 jintArray result = NULL; 6219 AwtComponent *c = NULL; 6220 6221 PDATA pData; 6222 JNI_CHECK_PEER_GOTO(self, ret); 6223 c = (AwtComponent *)pData; 6224 if (::IsWindow(c->GetHWnd())) 6225 { 6226 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0); 6227 } 6228 ret: 6229 env->DeleteGlobalRef(self); 6230 6231 delete cpps; 6232 return result; // this reference is global 6233 } 6234 6235 jboolean AwtComponent::_IsObscured(void *param) 6236 { 6237 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6238 6239 jobject self = (jobject)param; 6240 6241 jboolean result = JNI_FALSE; 6242 AwtComponent *c = NULL; 6243 6244 PDATA pData; 6245 JNI_CHECK_PEER_GOTO(self, ret); 6246 6247 c = (AwtComponent *)pData; 6248 6249 if (::IsWindow(c->GetHWnd())) 6250 { 6251 HWND hWnd = c->GetHWnd(); 6252 HDC hDC = ::GetDC(hWnd); 6253 RECT clipbox; 6254 int callresult = ::GetClipBox(hDC, &clipbox); 6255 switch(callresult) { 6256 case NULLREGION : 6257 result = JNI_FALSE; 6258 break; 6259 case SIMPLEREGION : { 6260 RECT windowRect; 6261 if (!::GetClientRect(hWnd, &windowRect)) { 6262 result = JNI_TRUE; 6263 } else { 6264 result = (jboolean)((clipbox.bottom != windowRect.bottom) 6265 || (clipbox.left != windowRect.left) 6266 || (clipbox.right != windowRect.right) 6267 || (clipbox.top != windowRect.top)); 6268 } 6269 break; 6270 } 6271 case COMPLEXREGION : 6272 default : 6273 result = JNI_TRUE; 6274 break; 6275 } 6276 ::ReleaseDC(hWnd, hDC); 6277 } 6278 ret: 6279 env->DeleteGlobalRef(self); 6280 6281 return result; 6282 } 6283 6284 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param) 6285 { 6286 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6287 6288 jobject self = (jobject)param; 6289 6290 jboolean result = JNI_FALSE; 6291 AwtComponent *c = NULL; 6292 6293 PDATA pData; 6294 JNI_CHECK_PEER_GOTO(self, ret); 6295 c = (AwtComponent *)pData; 6296 if (::IsWindow(c->GetHWnd())) 6297 { 6298 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior()); 6299 } 6300 ret: 6301 env->DeleteGlobalRef(self); 6302 6303 return result; 6304 } 6305 6306 void AwtComponent::_SetParent(void * param) 6307 { 6308 if (AwtToolkit::IsMainThread()) { 6309 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6310 SetParentStruct *data = (SetParentStruct*) param; 6311 jobject self = data->component; 6312 jobject parent = data->parentComp; 6313 6314 AwtComponent *awtComponent = NULL; 6315 AwtComponent *awtParent = NULL; 6316 6317 PDATA pData; 6318 JNI_CHECK_PEER_GOTO(self, ret); 6319 awtComponent = (AwtComponent *)pData; 6320 JNI_CHECK_PEER_GOTO(parent, ret); 6321 awtParent = (AwtComponent *)pData; 6322 6323 HWND selfWnd = awtComponent->GetHWnd(); 6324 HWND parentWnd = awtParent->GetHWnd(); 6325 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) { 6326 // Shouldn't trigger native focus change 6327 // (only the proxy may be the native focus owner). 6328 ::SetParent(selfWnd, parentWnd); 6329 } 6330 ret: 6331 env->DeleteGlobalRef(self); 6332 env->DeleteGlobalRef(parent); 6333 delete data; 6334 } else { 6335 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetParent, param); 6336 } 6337 } 6338 6339 void AwtComponent::_SetRectangularShape(void *param) 6340 { 6341 if (!AwtToolkit::IsMainThread()) { 6342 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param); 6343 } else { 6344 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6345 6346 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param; 6347 jobject self = data->component; 6348 jint x1 = data->x1; 6349 jint x2 = data->x2; 6350 jint y1 = data->y1; 6351 jint y2 = data->y2; 6352 jobject region = data->region; 6353 6354 AwtComponent *c = NULL; 6355 6356 PDATA pData; 6357 JNI_CHECK_PEER_GOTO(self, ret); 6358 6359 c = (AwtComponent *)pData; 6360 if (::IsWindow(c->GetHWnd())) { 6361 HRGN hRgn = NULL; 6362 6363 // If all the params are zeros, the shape must be simply reset. 6364 // Otherwise, convert it into a region. 6365 if (region || x1 || x2 || y1 || y2) { 6366 RECT_T rects[256]; 6367 RECT_T *pRect = rects; 6368 6369 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2, 6370 region, &pRect, sizeof(rects)/sizeof(rects[0])); 6371 if (!pRect) { 6372 // RegionToYXBandedRectangles doesn't use safe_Malloc(), 6373 // so throw the exception explicitly 6374 throw std::bad_alloc(); 6375 } 6376 6377 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc, 6378 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects); 6379 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects); 6380 if (pRect != rects) { 6381 free(pRect); 6382 } 6383 pRect = NULL; 6384 6385 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData; 6386 pRgnHdr->dwSize = sizeof(RGNDATAHEADER); 6387 pRgnHdr->iType = RDH_RECTANGLES; 6388 pRgnHdr->nRgnSize = 0; 6389 pRgnHdr->rcBound.top = 0; 6390 pRgnHdr->rcBound.left = 0; 6391 pRgnHdr->rcBound.bottom = LONG(y2 - y1); 6392 pRgnHdr->rcBound.right = LONG(x2 - x1); 6393 pRgnHdr->nCount = numrects; 6394 6395 hRgn = ::ExtCreateRegion(NULL, 6396 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData); 6397 6398 free(pRgnData); 6399 } 6400 6401 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE); 6402 } 6403 6404 ret: 6405 env->DeleteGlobalRef(self); 6406 if (region) { 6407 env->DeleteGlobalRef(region); 6408 } 6409 6410 delete data; 6411 } 6412 } 6413 6414 void AwtComponent::_SetZOrder(void *param) { 6415 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6416 6417 SetZOrderStruct *data = (SetZOrderStruct *)param; 6418 jobject self = data->component; 6419 HWND above = HWND_TOP; 6420 if (data->above != 0) { 6421 above = reinterpret_cast<HWND>(data->above); 6422 } 6423 6424 AwtComponent *c = NULL; 6425 6426 PDATA pData; 6427 JNI_CHECK_PEER_GOTO(self, ret); 6428 6429 c = (AwtComponent *)pData; 6430 if (::IsWindow(c->GetHWnd())) { 6431 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0, 6432 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS); 6433 } 6434 6435 ret: 6436 env->DeleteGlobalRef(self); 6437 6438 delete data; 6439 } 6440 6441 void AwtComponent::PostUngrabEvent() { 6442 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6443 jobject target = GetTarget(env); 6444 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V", 6445 target); 6446 if (safe_ExceptionOccurred(env)) { 6447 env->ExceptionDescribe(); 6448 env->ExceptionClear(); 6449 } 6450 env->DeleteLocalRef(target); 6451 if (event != NULL) { 6452 SendEvent(event); 6453 env->DeleteLocalRef(event); 6454 } 6455 } 6456 6457 void AwtComponent::SetFocusedWindow(HWND window) 6458 { 6459 HWND old = sm_focusedWindow; 6460 sm_focusedWindow = window; 6461 6462 AwtWindow::FocusedWindowChanged(old, window); 6463 } 6464 6465 /************************************************************************ 6466 * Component native methods 6467 */ 6468 6469 extern "C" { 6470 6471 /** 6472 * This method is called from the WGL pipeline when it needs to retrieve 6473 * the HWND associated with a ComponentPeer's C++ level object. 6474 */ 6475 HWND 6476 AwtComponent_GetHWnd(JNIEnv *env, jlong pData) 6477 { 6478 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData); 6479 if (p == NULL) { 6480 return (HWND)0; 6481 } 6482 return p->GetHWnd(); 6483 } 6484 6485 static void _GetInsets(void* param) 6486 { 6487 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 6488 6489 GetInsetsStruct *gis = (GetInsetsStruct *)param; 6490 jobject self = gis->window; 6491 6492 gis->insets->left = gis->insets->top = 6493 gis->insets->right = gis->insets->bottom = 0; 6494 6495 PDATA pData; 6496 JNI_CHECK_PEER_GOTO(self, ret); 6497 AwtComponent *component = (AwtComponent *)pData; 6498 6499 component->GetInsets(gis->insets); 6500 6501 ret: 6502 env->DeleteGlobalRef(self); 6503 delete gis; 6504 } 6505 6506 /** 6507 * This method is called from the WGL pipeline when it needs to retrieve 6508 * the insets associated with a ComponentPeer's C++ level object. 6509 */ 6510 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets) 6511 { 6512 TRY; 6513 6514 GetInsetsStruct *gis = new GetInsetsStruct; 6515 gis->window = env->NewGlobalRef(peer); 6516 gis->insets = insets; 6517 6518 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis); 6519 // global refs and mds are deleted in _UpdateWindow 6520 6521 CATCH_BAD_ALLOC; 6522 6523 } 6524 6525 JNIEXPORT void JNICALL 6526 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls) 6527 { 6528 TRY; 6529 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent"); 6530 CHECK_NULL(inputEventClazz); 6531 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I"); 6532 CHECK_NULL(getButtonDownMasksID); 6533 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID); 6534 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE); 6535 CHECK_NULL(tmp); 6536 jsize len = env->GetArrayLength(obj); 6537 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len); 6538 for (int i = 0; i < len; i++) { 6539 AwtComponent::masks[i] = tmp[i]; 6540 } 6541 env->ReleaseIntArrayElements(obj, tmp, 0); 6542 env->DeleteLocalRef(obj); 6543 6544 /* class ids */ 6545 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer"); 6546 6547 DASSERT(peerCls); 6548 CHECK_NULL(peerCls); 6549 6550 /* field ids */ 6551 AwtComponent::peerID = 6552 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;"); 6553 DASSERT(AwtComponent::peerID); 6554 CHECK_NULL(AwtComponent::peerID); 6555 6556 AwtComponent::xID = env->GetFieldID(cls, "x", "I"); 6557 DASSERT(AwtComponent::xID); 6558 CHECK_NULL(AwtComponent::xID); 6559 6560 AwtComponent::yID = env->GetFieldID(cls, "y", "I"); 6561 DASSERT(AwtComponent::yID); 6562 CHECK_NULL(AwtComponent::yID); 6563 6564 AwtComponent::heightID = env->GetFieldID(cls, "height", "I"); 6565 DASSERT(AwtComponent::heightID); 6566 CHECK_NULL(AwtComponent::heightID); 6567 6568 AwtComponent::widthID = env->GetFieldID(cls, "width", "I"); 6569 DASSERT(AwtComponent::widthID); 6570 CHECK_NULL(AwtComponent::widthID); 6571 6572 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z"); 6573 DASSERT(AwtComponent::visibleID); 6574 CHECK_NULL(AwtComponent::visibleID); 6575 6576 AwtComponent::backgroundID = 6577 env->GetFieldID(cls, "background", "Ljava/awt/Color;"); 6578 DASSERT(AwtComponent::backgroundID); 6579 CHECK_NULL(AwtComponent::backgroundID); 6580 6581 AwtComponent::foregroundID = 6582 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;"); 6583 DASSERT(AwtComponent::foregroundID); 6584 CHECK_NULL(AwtComponent::foregroundID); 6585 6586 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z"); 6587 DASSERT(AwtComponent::enabledID); 6588 CHECK_NULL(AwtComponent::enabledID); 6589 6590 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;"); 6591 DASSERT(AwtComponent::parentID); 6592 CHECK_NULL(AwtComponent::parentID); 6593 6594 AwtComponent::graphicsConfigID = 6595 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;"); 6596 DASSERT(AwtComponent::graphicsConfigID); 6597 CHECK_NULL(AwtComponent::graphicsConfigID); 6598 6599 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z"); 6600 DASSERT(AwtComponent::focusableID); 6601 CHECK_NULL(AwtComponent::focusableID); 6602 6603 AwtComponent::appContextID = env->GetFieldID(cls, "appContext", 6604 "Lsun/awt/AppContext;"); 6605 DASSERT(AwtComponent::appContextID); 6606 CHECK_NULL(AwtComponent::appContextID); 6607 6608 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig", 6609 "Lsun/awt/Win32GraphicsConfig;"); 6610 DASSERT(AwtComponent::peerGCID); 6611 CHECK_NULL(AwtComponent::peerGCID); 6612 6613 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J"); 6614 DASSERT(AwtComponent::hwndID); 6615 CHECK_NULL(AwtComponent::hwndID); 6616 6617 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;"); 6618 DASSERT(AwtComponent::cursorID); 6619 CHECK_NULL(AwtComponent::cursorID); 6620 6621 /* method ids */ 6622 AwtComponent::getFontMID = 6623 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;"); 6624 DASSERT(AwtComponent::getFontMID); 6625 CHECK_NULL(AwtComponent::getFontMID); 6626 6627 AwtComponent::getToolkitMID = 6628 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;"); 6629 DASSERT(AwtComponent::getToolkitMID); 6630 CHECK_NULL(AwtComponent::getToolkitMID); 6631 6632 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z"); 6633 DASSERT(AwtComponent::isEnabledMID); 6634 CHECK_NULL(AwtComponent::isEnabledMID); 6635 6636 AwtComponent::getLocationOnScreenMID = 6637 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;"); 6638 DASSERT(AwtComponent::getLocationOnScreenMID); 6639 CHECK_NULL(AwtComponent::getLocationOnScreenMID); 6640 6641 AwtComponent::replaceSurfaceDataMID = 6642 env->GetMethodID(peerCls, "replaceSurfaceData", "()V"); 6643 DASSERT(AwtComponent::replaceSurfaceDataMID); 6644 CHECK_NULL(AwtComponent::replaceSurfaceDataMID); 6645 6646 AwtComponent::replaceSurfaceDataLaterMID = 6647 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V"); 6648 DASSERT(AwtComponent::replaceSurfaceDataLaterMID); 6649 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID); 6650 6651 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V"); 6652 DASSERT(AwtComponent::disposeLaterMID); 6653 CHECK_NULL(AwtComponent::disposeLaterMID); 6654 6655 CATCH_BAD_ALLOC; 6656 } 6657 6658 } /* extern "C" */ 6659 6660 6661 /************************************************************************ 6662 * ComponentPeer native methods 6663 */ 6664 6665 extern "C" { 6666 6667 /* 6668 * Class: sun_awt_windows_WComponentPeer 6669 * Method: pShow 6670 * Signature: ()V 6671 */ 6672 JNIEXPORT void JNICALL 6673 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self) 6674 { 6675 TRY; 6676 6677 jobject selfGlobalRef = env->NewGlobalRef(self); 6678 6679 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef); 6680 // selfGlobalRef is deleted in _Show 6681 6682 CATCH_BAD_ALLOC; 6683 } 6684 6685 /* 6686 * Class: sun_awt_windows_WComponentPeer 6687 * Method: hide 6688 * Signature: ()V 6689 */ 6690 JNIEXPORT void JNICALL 6691 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self) 6692 { 6693 TRY; 6694 6695 jobject selfGlobalRef = env->NewGlobalRef(self); 6696 6697 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef); 6698 // selfGlobalRef is deleted in _Hide 6699 6700 CATCH_BAD_ALLOC; 6701 } 6702 6703 /* 6704 * Class: sun_awt_windows_WComponentPeer 6705 * Method: enable 6706 * Signature: ()V 6707 */ 6708 JNIEXPORT void JNICALL 6709 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self) 6710 { 6711 TRY; 6712 6713 jobject selfGlobalRef = env->NewGlobalRef(self); 6714 6715 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef); 6716 // selfGlobalRef is deleted in _Enable 6717 6718 CATCH_BAD_ALLOC; 6719 } 6720 6721 /* 6722 * Class: sun_awt_windows_WComponentPeer 6723 * Method: disable 6724 * Signature: ()V 6725 */ 6726 JNIEXPORT void JNICALL 6727 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self) 6728 { 6729 TRY; 6730 6731 jobject selfGlobalRef = env->NewGlobalRef(self); 6732 6733 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef); 6734 // selfGlobalRef is deleted in _Disable 6735 6736 CATCH_BAD_ALLOC; 6737 } 6738 6739 /* 6740 * Class: sun_awt_windows_WComponentPeer 6741 * Method: getLocationOnScreen 6742 * Signature: ()Ljava/awt/Point; 6743 */ 6744 JNIEXPORT jobject JNICALL 6745 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self) 6746 { 6747 TRY; 6748 6749 jobject selfGlobalRef = env->NewGlobalRef(self); 6750 6751 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall( 6752 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef); 6753 // selfGlobalRef is deleted in _GetLocationOnScreen 6754 if (resultGlobalRef != NULL) 6755 { 6756 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef); 6757 env->DeleteGlobalRef(resultGlobalRef); 6758 return resultLocalRef; 6759 } 6760 6761 return NULL; 6762 6763 CATCH_BAD_ALLOC_RET(NULL); 6764 } 6765 6766 /* 6767 * Class: sun_awt_windows_WComponentPeer 6768 * Method: reshape 6769 * Signature: (IIII)V 6770 */ 6771 JNIEXPORT void JNICALL 6772 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self, 6773 jint x, jint y, jint w, jint h) 6774 { 6775 TRY; 6776 6777 ReshapeStruct *rs = new ReshapeStruct; 6778 rs->component = env->NewGlobalRef(self); 6779 rs->x = x; 6780 rs->y = y; 6781 rs->w = w; 6782 rs->h = h; 6783 6784 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs); 6785 // global ref and rs are deleted in _Reshape 6786 6787 CATCH_BAD_ALLOC; 6788 } 6789 6790 /* 6791 * Class: sun_awt_windows_WComponentPeer 6792 * Method: reshape 6793 * Signature: (IIII)V 6794 */ 6795 JNIEXPORT void JNICALL 6796 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self, 6797 jint x, jint y, jint w, jint h) 6798 { 6799 TRY; 6800 6801 ReshapeStruct *rs = new ReshapeStruct; 6802 rs->component = env->NewGlobalRef(self); 6803 rs->x = x; 6804 rs->y = y; 6805 rs->w = w; 6806 rs->h = h; 6807 6808 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs); 6809 // global ref and rs are deleted in _ReshapeNoCheck 6810 6811 CATCH_BAD_ALLOC; 6812 } 6813 6814 6815 /* 6816 * Class: sun_awt_windows_WComponentPeer 6817 * Method: nativeHandleEvent 6818 * Signature: (Ljava/awt/AWTEvent;)V 6819 */ 6820 JNIEXPORT void JNICALL 6821 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env, 6822 jobject self, 6823 jobject event) 6824 { 6825 TRY; 6826 6827 jobject selfGlobalRef = env->NewGlobalRef(self); 6828 jobject eventGlobalRef = env->NewGlobalRef(event); 6829 6830 NativeHandleEventStruct *nhes = new NativeHandleEventStruct; 6831 nhes->component = selfGlobalRef; 6832 nhes->event = eventGlobalRef; 6833 6834 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes); 6835 // global refs and nhes are deleted in _NativeHandleEvent 6836 6837 CATCH_BAD_ALLOC; 6838 } 6839 6840 /* 6841 * Class: sun_awt_windows_WComponentPeer 6842 * Method: _dispose 6843 * Signature: ()V 6844 */ 6845 JNIEXPORT void JNICALL 6846 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self) 6847 { 6848 TRY_NO_HANG; 6849 6850 AwtObject::_Dispose(self); 6851 6852 CATCH_BAD_ALLOC; 6853 } 6854 6855 /* 6856 * Class: sun_awt_windows_WComponentPeer 6857 * Method: _setForeground 6858 * Signature: (I)V 6859 */ 6860 JNIEXPORT void JNICALL 6861 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self, 6862 jint rgb) 6863 { 6864 TRY; 6865 6866 jobject selfGlobalRef = env->NewGlobalRef(self); 6867 6868 SetColorStruct *scs = new SetColorStruct; 6869 scs->component = selfGlobalRef; 6870 scs->rgb = rgb; 6871 6872 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs); 6873 // selfGlobalRef and scs are deleted in _SetForeground() 6874 6875 CATCH_BAD_ALLOC; 6876 } 6877 6878 /* 6879 * Class: sun_awt_windows_WComponentPeer 6880 * Method: _setBackground 6881 * Signature: (I)V 6882 */ 6883 JNIEXPORT void JNICALL 6884 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self, 6885 jint rgb) 6886 { 6887 TRY; 6888 6889 jobject selfGlobalRef = env->NewGlobalRef(self); 6890 6891 SetColorStruct *scs = new SetColorStruct; 6892 scs->component = selfGlobalRef; 6893 scs->rgb = rgb; 6894 6895 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs); 6896 // selfGlobalRef and scs are deleted in _SetBackground() 6897 6898 CATCH_BAD_ALLOC; 6899 } 6900 6901 /* 6902 * Class: sun_awt_windows_WComponentPeer 6903 * Method: _setFont 6904 * Signature: (Ljava/awt/Font;)V 6905 */ 6906 JNIEXPORT void JNICALL 6907 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self, 6908 jobject font) 6909 { 6910 TRY; 6911 6912 jobject selfGlobalRef = env->NewGlobalRef(self); 6913 jobject fontGlobalRef = env->NewGlobalRef(font); 6914 6915 SetFontStruct *sfs = new SetFontStruct; 6916 sfs->component = selfGlobalRef; 6917 sfs->font = fontGlobalRef; 6918 6919 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs); 6920 // global refs and sfs are deleted in _SetFont() 6921 6922 CATCH_BAD_ALLOC; 6923 } 6924 6925 /* 6926 * Class: sun_awt_windows_WComponentPeer 6927 * Method: focusGained 6928 * Signature: (Z) 6929 */ 6930 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus 6931 (JNIEnv *env, jobject self, jboolean doSetFocus) 6932 { 6933 TRY; 6934 6935 jobject selfGlobalRef = env->NewGlobalRef(self); 6936 6937 SetFocusStruct *sfs = new SetFocusStruct; 6938 sfs->component = selfGlobalRef; 6939 sfs->doSetFocus = doSetFocus; 6940 6941 AwtToolkit::GetInstance().SyncCall( 6942 (void*(*)(void*))AwtComponent::_SetFocus, sfs); 6943 // global refs and self are deleted in _SetFocus 6944 6945 CATCH_BAD_ALLOC; 6946 } 6947 6948 /* 6949 * Class: sun_awt_windows_WComponentPeer 6950 * Method: start 6951 * Signature: ()V 6952 */ 6953 JNIEXPORT void JNICALL 6954 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self) 6955 { 6956 TRY; 6957 6958 jobject selfGlobalRef = env->NewGlobalRef(self); 6959 6960 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef); 6961 // selfGlobalRef is deleted in _Start 6962 6963 CATCH_BAD_ALLOC; 6964 } 6965 6966 /* 6967 * Class: sun_awt_windows_WComponentPeer 6968 * Method: beginValidate 6969 * Signature: ()V 6970 */ 6971 JNIEXPORT void JNICALL 6972 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self) 6973 { 6974 TRY; 6975 6976 jobject selfGlobalRef = env->NewGlobalRef(self); 6977 6978 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef); 6979 // selfGlobalRef is deleted in _BeginValidate 6980 6981 CATCH_BAD_ALLOC; 6982 } 6983 6984 /* 6985 * Class: sun_awt_windows_WComponentPeer 6986 * Method: endValidate 6987 * Signature: ()V 6988 */ 6989 JNIEXPORT void JNICALL 6990 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self) 6991 { 6992 TRY; 6993 6994 jobject selfGlobalRef = env->NewGlobalRef(self); 6995 6996 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef); 6997 // selfGlobalRef is deleted in _EndValidate 6998 6999 CATCH_BAD_ALLOC; 7000 } 7001 7002 JNIEXPORT void JNICALL 7003 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self) 7004 { 7005 TRY; 7006 7007 jobject selfGlobalRef = env->NewGlobalRef(self); 7008 7009 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef); 7010 // selfGlobalRef is deleted in _UpdateWindow 7011 7012 CATCH_BAD_ALLOC; 7013 } 7014 7015 /* 7016 * Class: sun_awt_windows_WComponentPeer 7017 * Method: addNativeDropTarget 7018 * Signature: ()L 7019 */ 7020 7021 JNIEXPORT jlong JNICALL 7022 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env, 7023 jobject self) 7024 { 7025 TRY; 7026 7027 jobject selfGlobalRef = env->NewGlobalRef(self); 7028 7029 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall( 7030 (void*(*)(void*))AwtComponent::_AddNativeDropTarget, 7031 (void *)selfGlobalRef)); 7032 // selfGlobalRef is deleted in _AddNativeDropTarget 7033 7034 CATCH_BAD_ALLOC_RET(0); 7035 } 7036 7037 /* 7038 * Class: sun_awt_windows_WComponentPeer 7039 * Method: removeNativeDropTarget 7040 * Signature: ()V 7041 */ 7042 7043 JNIEXPORT void JNICALL 7044 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env, 7045 jobject self) 7046 { 7047 TRY; 7048 7049 jobject selfGlobalRef = env->NewGlobalRef(self); 7050 7051 AwtToolkit::GetInstance().SyncCall( 7052 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef); 7053 // selfGlobalRef is deleted in _RemoveNativeDropTarget 7054 7055 CATCH_BAD_ALLOC; 7056 } 7057 7058 /* 7059 * Class: sun_awt_windows_WComponentPeer 7060 * Method: getTargetGC 7061 * Signature: ()Ljava/awt/GraphicsConfiguration; 7062 */ 7063 JNIEXPORT jobject JNICALL 7064 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis) 7065 { 7066 TRY; 7067 7068 jobject targetObj; 7069 jobject gc = 0; 7070 7071 targetObj = env->GetObjectField(theThis, AwtObject::targetID); 7072 DASSERT(targetObj); 7073 7074 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID); 7075 return gc; 7076 7077 CATCH_BAD_ALLOC_RET(NULL); 7078 } 7079 7080 /* 7081 * Class: sun_awt_windows_WComponentPeer 7082 * Method: createPrintedPixels 7083 * Signature: (IIIIII)I[ 7084 */ 7085 JNIEXPORT jintArray JNICALL 7086 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env, 7087 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha) 7088 { 7089 TRY; 7090 7091 jobject selfGlobalRef = env->NewGlobalRef(self); 7092 7093 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct; 7094 cpps->component = selfGlobalRef; 7095 cpps->srcx = srcX; 7096 cpps->srcy = srcY; 7097 cpps->srcw = srcW; 7098 cpps->srch = srcH; 7099 cpps->alpha = alpha; 7100 7101 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall( 7102 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps); 7103 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels 7104 if (globalRef != NULL) 7105 { 7106 jintArray localRef = (jintArray)env->NewLocalRef(globalRef); 7107 env->DeleteGlobalRef(globalRef); 7108 return localRef; 7109 } 7110 else 7111 { 7112 return NULL; 7113 } 7114 7115 CATCH_BAD_ALLOC_RET(NULL); 7116 } 7117 7118 /* 7119 * Class: sun_awt_windows_WComponentPeer 7120 * Method: nativeHandlesWheelScrolling 7121 * Signature: ()Z 7122 */ 7123 JNIEXPORT jboolean JNICALL 7124 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env, 7125 jobject self) 7126 { 7127 TRY; 7128 7129 return (jboolean)((intptr_t)AwtToolkit::GetInstance().SyncCall( 7130 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling, 7131 env->NewGlobalRef(self))); 7132 // global ref is deleted in _NativeHandlesWheelScrolling 7133 7134 CATCH_BAD_ALLOC_RET(NULL); 7135 } 7136 7137 /* 7138 * Class: sun_awt_windows_WComponentPeer 7139 * Method: isObscured 7140 * Signature: ()Z 7141 */ 7142 JNIEXPORT jboolean JNICALL 7143 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env, 7144 jobject self) 7145 { 7146 TRY; 7147 7148 jobject selfGlobalRef = env->NewGlobalRef(self); 7149 7150 return (jboolean)((intptr_t)AwtToolkit::GetInstance().SyncCall( 7151 (void*(*)(void*))AwtComponent::_IsObscured, 7152 (void *)selfGlobalRef)); 7153 // selfGlobalRef is deleted in _IsObscured 7154 7155 CATCH_BAD_ALLOC_RET(NULL); 7156 } 7157 7158 JNIEXPORT void JNICALL 7159 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) { 7160 TRY; 7161 7162 SetParentStruct * data = new SetParentStruct; 7163 data->component = env->NewGlobalRef(self); 7164 data->parentComp = env->NewGlobalRef(parent); 7165 7166 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetParent, data); 7167 // global refs and data are deleted in SetParent 7168 7169 CATCH_BAD_ALLOC; 7170 } 7171 7172 JNIEXPORT void JNICALL 7173 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self, 7174 jint x1, jint y1, jint x2, jint y2, jobject region) 7175 { 7176 TRY; 7177 7178 SetRectangularShapeStruct * data = new SetRectangularShapeStruct; 7179 data->component = env->NewGlobalRef(self); 7180 data->x1 = x1; 7181 data->x2 = x2; 7182 data->y1 = y1; 7183 data->y2 = y2; 7184 if (region) { 7185 data->region = env->NewGlobalRef(region); 7186 } else { 7187 data->region = NULL; 7188 } 7189 7190 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data); 7191 // global refs and data are deleted in _SetRectangularShape 7192 7193 CATCH_BAD_ALLOC; 7194 } 7195 7196 JNIEXPORT void JNICALL 7197 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above) 7198 { 7199 TRY; 7200 7201 SetZOrderStruct * data = new SetZOrderStruct; 7202 data->component = env->NewGlobalRef(self); 7203 data->above = above; 7204 7205 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data); 7206 // global refs and data are deleted in _SetLower 7207 7208 CATCH_BAD_ALLOC; 7209 } 7210 7211 } /* extern "C" */ 7212 7213 7214 /************************************************************************ 7215 * Diagnostic routines 7216 */ 7217 7218 #ifdef DEBUG 7219 7220 void AwtComponent::VerifyState() 7221 { 7222 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) { 7223 return; 7224 } 7225 7226 if (m_callbacksEnabled == FALSE) { 7227 /* Component is not fully setup yet. */ 7228 return; 7229 } 7230 7231 /* Get target bounds. */ 7232 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); 7233 if (env->PushLocalFrame(10) < 0) 7234 return; 7235 7236 jobject target = GetTarget(env); 7237 7238 jint x = env->GetIntField(target, AwtComponent::xID); 7239 jint y = env->GetIntField(target, AwtComponent::yID); 7240 jint width = env->GetIntField(target, AwtComponent::widthID); 7241 jint height = env->GetIntField(target, AwtComponent::heightID); 7242 7243 /* Convert target origin to absolute coordinates */ 7244 while (TRUE) { 7245 7246 jobject parent = env->GetObjectField(target, AwtComponent::parentID); 7247 if (parent == NULL) { 7248 break; 7249 } 7250 x += env->GetIntField(parent, AwtComponent::xID); 7251 y += env->GetIntField(parent, AwtComponent::yID); 7252 7253 /* If this component has insets, factor them in, but ignore 7254 * top-level windows. 7255 */ 7256 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID); 7257 if (parent2 != NULL) { 7258 jobject peer = GetPeerForTarget(env, parent); 7259 if (peer != NULL && 7260 JNU_IsInstanceOfByName(env, peer, 7261 "sun/awt/windows/WPanelPeer") > 0) { 7262 jobject insets = 7263 JNU_CallMethodByName(env, NULL, peer,"insets", 7264 "()Ljava/awt/Insets;").l; 7265 x += (env)->GetIntField(insets, AwtInsets::leftID); 7266 y += (env)->GetIntField(insets, AwtInsets::topID); 7267 } 7268 } 7269 env->DeleteLocalRef(target); 7270 target = parent; 7271 } 7272 7273 x = ScaleUpX(x); 7274 y = ScaleUpY(y); 7275 width = ScaleUpX(width); 7276 height = ScaleUpY(height); 7277 7278 // Test whether component's bounds match the native window's 7279 RECT rect; 7280 VERIFY(::GetWindowRect(GetHWnd(), &rect)); 7281 #if 0 7282 DASSERT( (x == rect.left) && 7283 (y == rect.top) && 7284 (width == (rect.right-rect.left)) && 7285 (height == (rect.bottom-rect.top)) ); 7286 #else 7287 BOOL fSizeValid = ( (x == rect.left) && 7288 (y == rect.top) && 7289 (width == (rect.right-rect.left)) && 7290 (height == (rect.bottom-rect.top)) ); 7291 #endif 7292 7293 // See if visible state matches 7294 BOOL wndVisible = ::IsWindowVisible(GetHWnd()); 7295 jboolean targetVisible; 7296 // To avoid possibly running client code on the toolkit thread, don't 7297 // do the following check if we're running on the toolkit thread. 7298 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) { 7299 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env), 7300 "isShowing", "()Z").z; 7301 DASSERT(!safe_ExceptionOccurred(env)); 7302 } else { 7303 targetVisible = wndVisible ? 1 : 0; 7304 } 7305 #if 0 7306 DASSERT( (targetVisible && wndVisible) || 7307 (!targetVisible && !wndVisible) ); 7308 #else 7309 BOOL fVisibleValid = ( (targetVisible && wndVisible) || 7310 (!targetVisible && !wndVisible) ); 7311 #endif 7312 7313 // Check enabled state 7314 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd()); 7315 jboolean enabled = (jboolean)env->GetBooleanField(target, 7316 AwtComponent::enabledID); 7317 #if 0 7318 DASSERT( (enabled && wndEnabled) || 7319 (!enabled && !wndEnabled) ); 7320 #else 7321 BOOL fEnabledValid = ((enabled && wndEnabled) || 7322 (!(enabled && !wndEnabled) )); 7323 7324 if (!fSizeValid || !fVisibleValid || !fEnabledValid) { 7325 printf("AwtComponent::ValidateState() failed:\n"); 7326 // To avoid possibly running client code on the toolkit thread, don't 7327 // do the following call if we're running on the toolkit thread. 7328 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) { 7329 jstring targetStr = 7330 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env), 7331 "getName", 7332 "()Ljava/lang/String;").l; 7333 DASSERT(!safe_ExceptionOccurred(env)); 7334 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL); 7335 printf("\t%S\n", targetStrW); 7336 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW); 7337 } 7338 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height); 7339 if (!fSizeValid) { 7340 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top, 7341 rect.right-rect.left, rect.bottom-rect.top); 7342 } 7343 if (!fVisibleValid) { 7344 printf("\tshould be: %s\n", 7345 (targetVisible) ? "visible" : "hidden"); 7346 } 7347 if (!fEnabledValid) { 7348 printf("\tshould be: %s\n", 7349 enabled ? "enabled" : "disabled"); 7350 } 7351 } 7352 #endif 7353 env->PopLocalFrame(0); 7354 } 7355 #endif //DEBUG 7356 7357 // Methods for globally managed DC list 7358 7359 /** 7360 * Add a new DC to the DC list for this component. 7361 */ 7362 void DCList::AddDC(HDC hDC, HWND hWnd) 7363 { 7364 DCItem *newItem = new DCItem; 7365 newItem->hDC = hDC; 7366 newItem->hWnd = hWnd; 7367 AddDCItem(newItem); 7368 } 7369 7370 void DCList::AddDCItem(DCItem *newItem) 7371 { 7372 listLock.Enter(); 7373 newItem->next = head; 7374 head = newItem; 7375 listLock.Leave(); 7376 } 7377 7378 /** 7379 * Given a DC and window handle, remove the DC from the DC list 7380 * and return TRUE if it exists on the current list. Otherwise 7381 * return FALSE. 7382 * A DC may not exist on the list because it has already 7383 * been released elsewhere (for example, the window 7384 * destruction process may release a DC while a rendering 7385 * thread may also want to release a DC when it notices that 7386 * its DC is obsolete for the current window). 7387 */ 7388 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd) 7389 { 7390 listLock.Enter(); 7391 DCItem **prevPtrPtr = &head; 7392 DCItem *listPtr = head; 7393 while (listPtr) { 7394 DCItem *nextPtr = listPtr->next; 7395 if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) { 7396 *prevPtrPtr = nextPtr; 7397 break; 7398 } 7399 prevPtrPtr = &listPtr->next; 7400 listPtr = nextPtr; 7401 } 7402 listLock.Leave(); 7403 return listPtr; 7404 } 7405 7406 /** 7407 * Remove all DCs from the DC list which are associated with 7408 * the same window as hWnd. Return the list of those 7409 * DC's to the caller (which will then probably want to 7410 * call ReleaseDC() for the returned DCs). 7411 */ 7412 DCItem *DCList::RemoveAllDCs(HWND hWnd) 7413 { 7414 listLock.Enter(); 7415 DCItem **prevPtrPtr = &head; 7416 DCItem *listPtr = head; 7417 DCItem *newListPtr = NULL; 7418 BOOL ret = FALSE; 7419 while (listPtr) { 7420 DCItem *nextPtr = listPtr->next; 7421 if (listPtr->hWnd == hWnd) { 7422 *prevPtrPtr = nextPtr; 7423 listPtr->next = newListPtr; 7424 newListPtr = listPtr; 7425 } else { 7426 prevPtrPtr = &listPtr->next; 7427 } 7428 listPtr = nextPtr; 7429 } 7430 listLock.Leave(); 7431 return newListPtr; 7432 } 7433 7434 7435 /** 7436 * Realize palettes of all existing HDC objects 7437 */ 7438 void DCList::RealizePalettes(int screen) 7439 { 7440 listLock.Enter(); 7441 DCItem *listPtr = head; 7442 while (listPtr) { 7443 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen); 7444 listPtr = listPtr->next; 7445 } 7446 listLock.Leave(); 7447 } 7448 7449 void MoveDCToPassiveList(HDC hDC, HWND hWnd) { 7450 DCItem *removedDC; 7451 if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) { 7452 passiveDCList.AddDCItem(removedDC); 7453 } 7454 } 7455 7456 void ReleaseDCList(HWND hwnd, DCList &list) { 7457 DCItem *removedDCs = list.RemoveAllDCs(hwnd); 7458 while (removedDCs) { 7459 DCItem *tmpDCList = removedDCs; 7460 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC); 7461 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC); 7462 VERIFY(retValue != 0); 7463 if (retValue != 0) { 7464 // Valid ReleaseDC call; need to decrement GDI object counter 7465 AwtGDIObject::Decrement(); 7466 } 7467 removedDCs = removedDCs->next; 7468 delete tmpDCList; 7469 } 7470 }