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