1 /*
2 * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "awt.h"
27
28 #include <windowsx.h>
29 #include <zmouse.h>
30
31 #include "jlong.h"
32 #include "awt_AWTEvent.h"
33 #include "awt_BitmapUtil.h"
34 #include "awt_Component.h"
35 #include "awt_Cursor.h"
36 #include "awt_Dimension.h"
37 #include "awt_Frame.h"
38 #include "awt_InputEvent.h"
39 #include "awt_InputTextInfor.h"
40 #include "awt_Insets.h"
41 #include "awt_KeyEvent.h"
42 #include "awt_MenuItem.h"
43 #include "awt_MouseEvent.h"
44 #include "awt_Palette.h"
45 #include "awt_Toolkit.h"
46 #include "awt_Window.h"
47 #include "awt_Win32GraphicsDevice.h"
48 #include "Hashtable.h"
49 #include "ComCtl32Util.h"
50
51 #include <Region.h>
52
53 #include <jawt.h>
54
55 #include <java_awt_Toolkit.h>
56 #include <java_awt_FontMetrics.h>
57 #include <java_awt_Color.h>
58 #include <java_awt_Event.h>
59 #include <java_awt_event_KeyEvent.h>
60 #include <java_awt_Insets.h>
61 #include <sun_awt_windows_WPanelPeer.h>
62 #include <java_awt_event_InputEvent.h>
63 #include <java_awt_event_ActionEvent.h>
64 #include <java_awt_event_InputMethodEvent.h>
65 #include <sun_awt_windows_WInputMethod.h>
66 #include <java_awt_event_MouseEvent.h>
67 #include <java_awt_event_MouseWheelEvent.h>
68
69 // Begin -- Win32 SDK include files
70 #include <imm.h>
71 #include <ime.h>
72 // End -- Win32 SDK include files
73
74 #include <awt_DnDDT.h>
75
76 LPCTSTR szAwtComponentClassName = TEXT("SunAwtComponent");
77 // register a message that no other window in the process (even in a plugin
78 // scenario) will be using
79 const UINT AwtComponent::WmAwtIsComponent =
80 ::RegisterWindowMessage(szAwtComponentClassName);
81
82 static HWND g_hwndDown = NULL;
83 static DCList activeDCList;
84 static DCList passiveDCList;
85
86 extern void CheckFontSmoothingSettings(HWND);
87
88 extern "C" {
89 // Remember the input language has changed by some user's action
90 // (Alt+Shift or through the language icon on the Taskbar) to control the
91 // race condition between the toolkit thread and the AWT event thread.
92 // This flag remains TRUE until the next WInputMethod.getNativeLocale() is
93 // issued.
94 BOOL g_bUserHasChangedInputLang = FALSE;
95 }
96
97 BOOL AwtComponent::sm_suppressFocusAndActivation = FALSE;
98 BOOL AwtComponent::sm_restoreFocusAndActivation = FALSE;
99 HWND AwtComponent::sm_focusOwner = NULL;
100 HWND AwtComponent::sm_focusedWindow = NULL;
101 BOOL AwtComponent::sm_bMenuLoop = FALSE;
102 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE;
103
104 /************************************************************************/
105 // Struct for _Reshape() and ReshapeNoCheck() methods
106 struct ReshapeStruct {
107 jobject component;
108 jint x, y;
109 jint w, h;
110 };
111 // Struct for _NativeHandleEvent() method
112 struct NativeHandleEventStruct {
113 jobject component;
114 jobject event;
115 };
116 // Struct for _SetForeground() and _SetBackground() methods
117 struct SetColorStruct {
118 jobject component;
119 jint rgb;
120 };
121 // Struct for _SetFont() method
122 struct SetFontStruct {
123 jobject component;
124 jobject font;
125 };
126 // Struct for _CreatePrintedPixels() method
127 struct CreatePrintedPixelsStruct {
128 jobject component;
129 int srcx, srcy;
130 int srcw, srch;
131 jint alpha;
132 };
133 // Struct for _SetRectangularShape() method
134 struct SetRectangularShapeStruct {
135 jobject component;
136 jint x1, x2, y1, y2;
137 jobject region;
138 };
139 // Struct for _GetInsets function
140 struct GetInsetsStruct {
141 jobject window;
142 RECT *insets;
143 };
144 // Struct for _SetZOrder function
145 struct SetZOrderStruct {
146 jobject component;
147 jlong above;
148 };
149 // Struct for _SetFocus function
150 struct SetFocusStruct {
151 jobject component;
152 jboolean doSetFocus;
153 };
154 // Struct for _SetParent function
155 struct SetParentStruct {
156 jobject component;
157 jobject parentComp;
158 };
159 /************************************************************************/
160
161 //////////////////////////////////////////////////////////////////////////
162
163 /*************************************************************************
164 * AwtComponent fields
165 */
166
167
168 jfieldID AwtComponent::peerID;
169 jfieldID AwtComponent::xID;
170 jfieldID AwtComponent::yID;
171 jfieldID AwtComponent::widthID;
172 jfieldID AwtComponent::heightID;
173 jfieldID AwtComponent::visibleID;
174 jfieldID AwtComponent::backgroundID;
175 jfieldID AwtComponent::foregroundID;
176 jfieldID AwtComponent::enabledID;
177 jfieldID AwtComponent::parentID;
178 jfieldID AwtComponent::graphicsConfigID;
179 jfieldID AwtComponent::peerGCID;
180 jfieldID AwtComponent::focusableID;
181 jfieldID AwtComponent::appContextID;
182 jfieldID AwtComponent::cursorID;
183 jfieldID AwtComponent::hwndID;
184
185 jmethodID AwtComponent::getFontMID;
186 jmethodID AwtComponent::getToolkitMID;
187 jmethodID AwtComponent::isEnabledMID;
188 jmethodID AwtComponent::getLocationOnScreenMID;
189 jmethodID AwtComponent::replaceSurfaceDataMID;
190 jmethodID AwtComponent::replaceSurfaceDataLaterMID;
191 jmethodID AwtComponent::disposeLaterMID;
192
193 HKL AwtComponent::m_hkl = ::GetKeyboardLayout(0);
194 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0));
195 UINT AwtComponent::m_CodePage
196 = AwtComponent::LangToCodePage(m_idLang);
197
198 jint *AwtComponent::masks;
199
200 static BOOL bLeftShiftIsDown = false;
201 static BOOL bRightShiftIsDown = false;
202 static UINT lastShiftKeyPressed = 0; // init to safe value
203
204 // Added by waleed to initialize the RTL Flags
205 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC ||
206 PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW;
207 BOOL AwtComponent::sm_rtlReadingOrder =
208 PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC;
209
210 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE;
211
212 HWND AwtComponent::sm_cursorOn;
213 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE;
214
215 CriticalSection windowMoveLock;
216 BOOL windowMoveLockHeld = FALSE;
217
218 /************************************************************************
219 * AwtComponent methods
220 */
221
222 AwtComponent::AwtComponent()
223 {
224 m_mouseButtonClickAllowed = 0;
225 m_touchDownOccurred = FALSE;
226 m_touchUpOccurred = FALSE;
227 m_touchDownPoint.x = m_touchDownPoint.y = 0;
228 m_touchUpPoint.x = m_touchUpPoint.y = 0;
229 m_callbacksEnabled = FALSE;
230 m_hwnd = NULL;
231
232 m_colorForeground = 0;
233 m_colorBackground = 0;
234 m_backgroundColorSet = FALSE;
235 m_penForeground = NULL;
236 m_brushBackground = NULL;
237 m_DefWindowProc = NULL;
238 m_nextControlID = 1;
239 m_childList = NULL;
240 m_myControlID = 0;
241 m_hdwp = NULL;
242 m_validationNestCount = 0;
243
244 m_dropTarget = NULL;
245
246 m_InputMethod = NULL;
247 m_useNativeCompWindow = TRUE;
248 m_PendingLeadByte = 0;
249 m_bitsCandType = 0;
250
251 windowMoveLockPosX = 0;
252 windowMoveLockPosY = 0;
253 windowMoveLockPosCX = 0;
254 windowMoveLockPosCY = 0;
255
256 m_hCursorCache = NULL;
257
258 m_bSubclassed = FALSE;
259 m_bPauseDestroy = FALSE;
260
261 m_MessagesProcessing = 0;
262 m_wheelRotationAmountX = 0;
263 m_wheelRotationAmountY = 0;
264 if (!sm_PrimaryDynamicTableBuilt) {
265 // do it once.
266 AwtComponent::BuildPrimaryDynamicTable();
267 sm_PrimaryDynamicTableBuilt = TRUE;
268 }
269
270 deadKeyActive = FALSE;
271 }
272
273 AwtComponent::~AwtComponent()
274 {
275 DASSERT(AwtToolkit::IsMainThread());
276
277 /*
278 * All the messages for this component are processed, native
279 * resources are freed, and Java object is not connected to
280 * the native one anymore. So we can safely destroy component's
281 * handle.
282 */
283 DestroyHWnd();
284 }
285
286 void AwtComponent::Dispose()
287 {
288 DASSERT(AwtToolkit::IsMainThread());
289
290 // NOTE: in case the component/toplevel was focused, Java should
291 // have already taken care of proper transferring it or clearing.
292
293 if (m_hdwp != NULL) {
294 // end any deferred window positioning, regardless
295 // of m_validationNestCount
296 ::EndDeferWindowPos(m_hdwp);
297 }
298
299 // Send final message to release all DCs associated with this component
300 SendMessage(WM_AWT_RELEASE_ALL_DCS);
301
302 /* Stop message filtering. */
303 UnsubclassHWND();
304
305 /* Release global ref to input method */
306 SetInputMethod(NULL, TRUE);
307
308 if (m_childList != NULL) {
309 delete m_childList;
310 m_childList = NULL;
311 }
312
313 DestroyDropTarget();
314 ReleaseDragCapture(0);
315
316 if (m_myControlID != 0) {
317 AwtComponent* parent = GetParent();
318 if (parent != NULL)
319 parent->RemoveChild(m_myControlID);
320 }
321
322 ::RemoveProp(GetHWnd(), DrawingStateProp);
323
324 /* Release any allocated resources. */
325 if (m_penForeground != NULL) {
326 m_penForeground->Release();
327 m_penForeground = NULL;
328 }
329 if (m_brushBackground != NULL) {
330 m_brushBackground->Release();
331 m_brushBackground = NULL;
332 }
333
334 /* Disconnect all links. */
335 UnlinkObjects();
336
337 if (m_bPauseDestroy) {
338 // AwtComponent::WmNcDestroy could be released now
339 m_bPauseDestroy = FALSE;
340 m_hwnd = NULL;
341 }
342
343 // The component instance is deleted using AwtObject::Dispose() method
344 AwtObject::Dispose();
345 }
346
347 /* store component pointer in window extra bytes */
348 void AwtComponent::SetComponentInHWND() {
349 DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL);
350 ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this);
351 }
352
353 /*
354 * static function to get AwtComponent pointer from hWnd --
355 * you don't want to call this from inside a wndproc to avoid
356 * infinite recursion
357 */
358 AwtComponent* AwtComponent::GetComponent(HWND hWnd) {
359 // Requests for Toolkit hwnd resolution happen pretty often. Check first.
360 if (hWnd == AwtToolkit::GetInstance().GetHWnd()) {
361 return NULL;
362 }
363
364 // check that it's an AWT component from the same toolkit as the caller
365 if (::IsWindow(hWnd) &&
366 AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL))
367 {
368 DASSERT(WmAwtIsComponent != 0);
369 if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) {
370 return GetComponentImpl(hWnd);
371 }
372 }
373 return NULL;
374 }
375
376 /*
377 * static function to get AwtComponent pointer from hWnd--
378 * different from GetComponent because caller knows the
379 * hwnd is an AWT component hwnd
380 */
381 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) {
382 AwtComponent *component =
383 (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA);
384 DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) );
385 DASSERT(!component || component->GetHWnd() == hWnd );
386 return component;
387 }
388
389 /*
390 * Single window proc for all the components. Delegates real work to
391 * the component's WindowProc() member function.
392 */
393 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message,
394 WPARAM wParam, LPARAM lParam)
395 {
396 TRY;
397
398 AwtComponent * self = AwtComponent::GetComponentImpl(hWnd);
399 if (self == NULL || self->GetHWnd() != hWnd ||
400 message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully
401 {
402 return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam);
403 } else {
404 return self->WindowProc(message, wParam, lParam);
405 }
406
407 CATCH_BAD_ALLOC_RET(0);
408 }
409
410 BOOL AwtComponent::IsFocusable() {
411 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
412 jobject peer = GetPeer(env);
413 jobject target = env->GetObjectField(peer, AwtObject::targetID);
414 BOOL res = env->GetBooleanField(target, focusableID);
415 AwtWindow *pCont = GetContainer();
416 if (pCont) {
417 res &= pCont->IsFocusableWindow();
418 }
419 env->DeleteLocalRef(target);
420 return res;
421 }
422
423 /************************************************************************
424 * AwtComponent dynamic methods
425 *
426 * Window class registration routines
427 */
428
429 /*
430 * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon
431 */
432 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc)
433 {
434 lpwc->cbSize = sizeof(WNDCLASSEX);
435 lpwc->style = 0L;//CS_OWNDC;
436 lpwc->lpfnWndProc = (WNDPROC)::DefWindowProc;
437 lpwc->cbClsExtra = 0;
438 lpwc->cbWndExtra = 0;
439 lpwc->hInstance = AwtToolkit::GetInstance().GetModuleHandle(),
440 lpwc->hIcon = AwtToolkit::GetInstance().GetAwtIcon();
441 lpwc->hCursor = NULL;
442 lpwc->hbrBackground = NULL;
443 lpwc->lpszMenuName = NULL;
444 lpwc->lpszClassName = GetClassName();
445 //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32
446 lpwc->hIconSm = AwtToolkit::GetInstance().GetAwtIconSm();
447 }
448
449 void AwtComponent::RegisterClass()
450 {
451 WNDCLASSEX wc;
452 if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) {
453 FillClassInfo(&wc);
454 ATOM ret = ::RegisterClassEx(&wc);
455 DASSERT(ret != 0);
456 }
457 }
458
459 void AwtComponent::UnregisterClass()
460 {
461 ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle());
462 }
463
464 /*
465 * Copy the graphicsConfig reference from Component into WComponentPeer
466 */
467 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer)
468 {
469 jobject target = env->GetObjectField(peer, AwtObject::targetID);
470 //Get graphicsConfig object ref from Component
471 jobject compGC = env->GetObjectField(target,
472 AwtComponent::graphicsConfigID);
473
474 //Set peer's graphicsConfig to Component's graphicsConfig
475 if (compGC != NULL) {
476 jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig");
477 DASSERT(win32GCCls != NULL);
478 DASSERT(env->IsInstanceOf(compGC, win32GCCls));
479 if (win32GCCls == NULL) {
480 throw std::bad_alloc();
481 }
482 env->SetObjectField(peer, AwtComponent::peerGCID, compGC);
483 }
484 }
485
486 void
487 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title,
488 DWORD windowStyle,
489 DWORD windowExStyle,
490 int x, int y, int w, int h,
491 HWND hWndParent, HMENU hMenu,
492 COLORREF colorForeground,
493 COLORREF colorBackground,
494 jobject peer)
495 {
496 if (env->EnsureLocalCapacity(2) < 0) {
497 return;
498 }
499
500 /*
501 * The window class of multifont label must be "BUTTON" because
502 * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject
503 * member is referred in the GetClassName method of AwtLabel class.
504 * So m_peerObject member must be set here.
505 */
506 if (m_peerObject == NULL) {
507 m_peerObject = env->NewGlobalRef(peer);
508 } else {
509 assert(env->IsSameObject(m_peerObject, peer));
510 }
511
512 RegisterClass();
513
514 jobject target = env->GetObjectField(peer, AwtObject::targetID);
515 jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID);
516 m_visible = visible;
517
518 if (visible) {
519 windowStyle |= WS_VISIBLE;
520 } else {
521 windowStyle &= ~WS_VISIBLE;
522 }
523
524 InitPeerGraphicsConfig(env, peer);
525
526 SetLastError(0);
527 HWND hwnd = ::CreateWindowEx(windowExStyle,
528 GetClassName(),
529 title,
530 windowStyle,
531 x, y, w, h,
532 hWndParent,
533 hMenu,
534 AwtToolkit::GetInstance().GetModuleHandle(),
535 NULL);
536
537 // fix for 5088782
538 // check if CreateWindowsEx() returns not null value and if it does -
539 // create an InternalError or OutOfMemoryError based on GetLastError().
540 // This error is set to createError field of WObjectPeer and then
541 // checked and thrown in WComponentPeer constructor. We can't throw an
542 // error here because this code is invoked on Toolkit thread
543 if (hwnd == NULL)
544 {
545 DWORD dw = ::GetLastError();
546 jobject createError = NULL;
547 if (dw == ERROR_OUTOFMEMORY)
548 {
549 jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles");
550 if (errorMsg == NULL || env->ExceptionCheck()) {
551 env->ExceptionClear();
552 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V");
553 } else {
554 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError",
555 "(Ljava/lang/String;)V",
556 errorMsg);
557 env->DeleteLocalRef(errorMsg);
558 }
559 }
560 else
561 {
562 TCHAR *buf;
563 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
564 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
565 (LPTSTR)&buf, 0, NULL);
566 jstring s = JNU_NewStringPlatform(env, buf);
567 if (s == NULL || env->ExceptionCheck()) {
568 env->ExceptionClear();
569 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V");
570 } else {
571 createError = JNU_NewObjectByName(env, "java/lang/InternalError",
572 "(Ljava/lang/String;)V", s);
573 env->DeleteLocalRef(s);
574 }
575 LocalFree(buf);
576 }
577 if (createError != NULL) {
578 env->SetObjectField(peer, AwtObject::createErrorID, createError);
579 env->DeleteLocalRef(createError);
580 }
581 env->DeleteLocalRef(target);
582 return;
583 }
584
585 m_hwnd = hwnd;
586
587 ::ImmAssociateContext(m_hwnd, NULL);
588
589 SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED |
590 (jint)JAWT_LOCK_BOUNDS_CHANGED |
591 (jint)JAWT_LOCK_CLIP_CHANGED);
592
593 LinkObjects(env, peer);
594
595 /* Subclass the window now so that we can snoop on its messages */
596 SubclassHWND();
597
598 AwtToolkit& tk = AwtToolkit::GetInstance();
599 if (tk.IsWin8OrLater() && tk.IsTouchKeyboardAutoShowEnabled()) {
600 tk.TIRegisterTouchWindow(GetHWnd(), TWF_WANTPALM);
601 }
602
603 /*
604 * Fix for 4046446.
605 */
606 SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE);
607
608 /* Set default colors. */
609 m_colorForeground = colorForeground;
610 m_colorBackground = colorBackground;
611
612 /*
613 * Only set background color if the color is actually set on the
614 * target -- this avoids inheriting a parent's color unnecessarily,
615 * and has to be done here because there isn't an API to get the
616 * real background color from outside the AWT package.
617 */
618 jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ;
619 if (bkgrd != NULL) {
620 JNU_CallMethodByName(env, NULL, peer, "setBackground",
621 "(Ljava/awt/Color;)V", bkgrd);
622 DASSERT(!safe_ExceptionOccurred(env));
623 }
624 env->DeleteLocalRef(target);
625 env->DeleteLocalRef(bkgrd);
626 }
627
628 /*
629 * Destroy this window's HWND
630 */
631 void AwtComponent::DestroyHWnd() {
632 if (m_hwnd != NULL) {
633 AwtToolkit::DestroyComponentHWND(m_hwnd);
634 //AwtToolkit::DestroyComponent(this);
635 m_hwnd = NULL;
636 }
637 }
638
639 /*
640 * Returns hwnd for target on non Toolkit thread
641 */
642 HWND
643 AwtComponent::GetHWnd(JNIEnv* env, jobject target) {
644 if (JNU_IsNull(env, target)) {
645 return 0;
646 }
647 jobject peer = env->GetObjectField(target, AwtComponent::peerID);
648 if (JNU_IsNull(env, peer)) {
649 return 0;
650 }
651 HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> (
652 env->GetLongField(peer, AwtComponent::hwndID)));
653 env->DeleteLocalRef(peer);
654 return hwnd;
655 }
656 //
657 // Propagate the background color to synchronize Java field and peer's field.
658 // This is needed to fix 4148334
659 //
660 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target)
661 {
662 if (env->EnsureLocalCapacity(1) < 0) {
663 return;
664 }
665
666 jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID);
667
668 if (bkgrnd == NULL) {
669 bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V",
670 GetRValue(m_colorBackground),
671 GetGValue(m_colorBackground),
672 GetBValue(m_colorBackground));
673 if (bkgrnd != NULL) {
674 env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd);
675 }
676 }
677 env->DeleteLocalRef(bkgrnd);
678 }
679
680 /*
681 * Install our window proc as the proc for our HWND, and save off the
682 * previous proc as the default
683 */
684 void AwtComponent::SubclassHWND()
685 {
686 if (m_bSubclassed) {
687 return;
688 }
689 const WNDPROC wndproc = WndProc; // let compiler type check WndProc
690 m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc);
691 m_bSubclassed = TRUE;
692 }
693
694 /*
695 * Reinstall the original window proc as the proc for our HWND
696 */
697 void AwtComponent::UnsubclassHWND()
698 {
699 if (!m_bSubclassed) {
700 return;
701 }
702 ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc);
703 m_bSubclassed = FALSE;
704 }
705
706 /////////////////////////////////////
707 // (static method)
708 // Determines the top-level ancestor for a given window. If the given
709 // window is a top-level window, return itself.
710 //
711 // 'Top-level' includes dialogs as well.
712 //
713 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) {
714 if (hwndDescendant == NULL) {
715 return NULL;
716 }
717
718 DASSERT(IsWindow(hwndDescendant));
719 HWND hwnd = hwndDescendant;
720 for(;;) {
721 DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
722 // a) found a non-child window so terminate
723 // b) found real toplevel window (e.g. EmbeddedFrame
724 // that is child though)
725 if ( (style & WS_CHILD) == 0 ||
726 AwtComponent::IsTopLevelHWnd(hwnd) )
727 {
728 break;
729 }
730 hwnd = ::GetParent(hwnd);
731 }
732
733 return hwnd;
734 }
735 ////////////////////
736
737 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) {
738 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
739 if (env->EnsureLocalCapacity(1) < 0) {
740 return NULL;
741 }
742
743 HWND hit = NULL;
744 POINT p = { 0, 0 };
745 AwtComponent *comp = NULL;
746
747 if (useCache) {
748 if (sm_cursorOn == NULL) {
749 return NULL;
750 }
751
752
753 DASSERT(::IsWindow(sm_cursorOn));
754 VERIFY(::GetCursorPos(&p));
755 /*
756 * Fix for BugTraq ID 4304024.
757 * Allow a non-default cursor only for the client area.
758 */
759 comp = AwtComponent::GetComponent(sm_cursorOn);
760 if (comp != NULL &&
761 ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0,
762 MAKELPARAM(p.x, p.y)) == HTCLIENT) {
763 goto found;
764 }
765 }
766
767 ::GetCursorPos(&p);
768 hit = ::WindowFromPoint(p);
769 while (hit != NULL) {
770 comp = AwtComponent::GetComponent(hit);
771
772 if (comp != NULL) {
773 INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST,
774 0, MAKELPARAM(p.x, p.y));
775 /*
776 * Fix for BugTraq ID 4304024.
777 * Allow a non-default cursor only for the client area.
778 */
779 if (nHittest != HTCLIENT) {
780 /*
781 * When over the non-client area, send WM_SETCURSOR
782 * to revert the cursor to an arrow.
783 */
784 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit,
785 MAKELPARAM(nHittest, WM_MOUSEMOVE));
786 return NULL;
787 } else {
788 sm_cursorOn = hit;
789 goto found;
790 }
791 }
792
793 if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) {
794 return NULL;
795 }
796 hit = ::GetParent(hit);
797 }
798
799 return NULL;
800
801 found:
802 jobject localRef = comp->GetTarget(env);
803 jobject globalRef = env->NewGlobalRef(localRef);
804 env->DeleteLocalRef(localRef);
805 return globalRef;
806 }
807
808 void AwtComponent::SetColor(COLORREF c)
809 {
810 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
811 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
812 if (grayscale != GS_NOTGRAY) {
813 int g;
814
815 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
816 .114 * ((c >> 16) & 0xFF) + 0.5);
817 // c = g | (g << 8) | (g << 16);
818 c = PALETTERGB(g, g, g);
819 }
820
821 if (m_colorForeground == c) {
822 return;
823 }
824
825 m_colorForeground = c;
826 if (m_penForeground != NULL) {
827 m_penForeground->Release();
828 m_penForeground = NULL;
829 }
830 VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE));
831 }
832
833 void AwtComponent::SetBackgroundColor(COLORREF c)
834 {
835 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
836 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
837 if (grayscale != GS_NOTGRAY) {
838 int g;
839
840 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
841 .114 * ((c >> 16) & 0xFF) + 0.5);
842 // c = g | (g << 8) | (g << 16);
843 c = PALETTERGB(g, g, g);
844 }
845
846 if (m_colorBackground == c) {
847 return;
848 }
849 m_colorBackground = c;
850 m_backgroundColorSet = TRUE;
851 if (m_brushBackground != NULL) {
852 m_brushBackground->Release();
853 m_brushBackground = NULL;
854 }
855 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
856 }
857
858 HPEN AwtComponent::GetForegroundPen()
859 {
860 if (m_penForeground == NULL) {
861 m_penForeground = AwtPen::Get(m_colorForeground);
862 }
863 return (HPEN)m_penForeground->GetHandle();
864 }
865
866 COLORREF AwtComponent::GetBackgroundColor()
867 {
868 if (m_backgroundColorSet == FALSE) {
869 AwtComponent* c = this;
870 while ((c = c->GetParent()) != NULL) {
871 if (c->IsBackgroundColorSet()) {
872 return c->GetBackgroundColor();
873 }
874 }
875 }
876 return m_colorBackground;
877 }
878
879 HBRUSH AwtComponent::GetBackgroundBrush()
880 {
881 if (m_backgroundColorSet == FALSE) {
882 if (m_brushBackground != NULL) {
883 m_brushBackground->Release();
884 m_brushBackground = NULL;
885 }
886 AwtComponent* c = this;
887 while ((c = c->GetParent()) != NULL) {
888 if (c->IsBackgroundColorSet()) {
889 m_brushBackground =
890 AwtBrush::Get(c->GetBackgroundColor());
891 break;
892 }
893 }
894 }
895 if (m_brushBackground == NULL) {
896 m_brushBackground = AwtBrush::Get(m_colorBackground);
897 }
898 return (HBRUSH)m_brushBackground->GetHandle();
899 }
900
901 void AwtComponent::SetFont(AwtFont* font)
902 {
903 DASSERT(font != NULL);
904 if (font->GetAscent() < 0) {
905 AwtFont::SetupAscent(font);
906 }
907 SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0));
908 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
909 }
910
911 AwtComponent* AwtComponent::GetParent()
912 {
913 HWND hwnd = ::GetParent(GetHWnd());
914 if (hwnd == NULL) {
915 return NULL;
916 }
917 return GetComponent(hwnd);
918 }
919
920 AwtWindow* AwtComponent::GetContainer()
921 {
922 AwtComponent* comp = this;
923 while (comp != NULL) {
924 if (comp->IsContainer()) {
925 return (AwtWindow*)comp;
926 }
927 comp = comp->GetParent();
928 }
929 return NULL;
930 }
931
932 void AwtComponent::Show()
933 {
934 m_visible = true;
935 ::ShowWindow(GetHWnd(), SW_SHOWNA);
936 }
937
938 void AwtComponent::Hide()
939 {
940 m_visible = false;
941 ::ShowWindow(GetHWnd(), SW_HIDE);
942 }
943
944 BOOL
945 AwtComponent::SetWindowPos(HWND wnd, HWND after,
946 int x, int y, int w, int h, UINT flags)
947 {
948 // Conditions we shouldn't handle:
949 // z-order changes, correct window dimensions
950 if (after != NULL || (w < 32767 && h < 32767)
951 || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0))
952 {
953 return ::SetWindowPos(wnd, after, x, y, w, h, flags);
954 }
955 WINDOWPLACEMENT wp;
956 ::ZeroMemory(&wp, sizeof(wp));
957
958 wp.length = sizeof(wp);
959 ::GetWindowPlacement(wnd, &wp);
960 wp.rcNormalPosition.left = x;
961 wp.rcNormalPosition.top = y;
962 wp.rcNormalPosition.right = x + w;
963 wp.rcNormalPosition.bottom = y + h;
964 if ( flags & SWP_NOACTIVATE ) {
965 wp.showCmd = SW_SHOWNOACTIVATE;
966 }
967 ::SetWindowPlacement(wnd, &wp);
968 return 1;
969 }
970
971 void AwtComponent::Reshape(int x, int y, int w, int h) {
972 ReshapeNoScale(ScaleUpX(x), ScaleUpY(y), ScaleUpX(w), ScaleUpY(h));
973 }
974
975 void AwtComponent::ReshapeNoScale(int x, int y, int w, int h)
976 {
977 #if defined(DEBUG)
978 RECT rc;
979 ::GetWindowRect(GetHWnd(), &rc);
980 ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2);
981 DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top);
982 #endif
983
984 AwtWindow* container = GetContainer();
985 AwtComponent* parent = GetParent();
986 if (container != NULL && container == parent) {
987 container->SubtractInsetPoint(x, y);
988 }
989 DTRACE_PRINTLN4("AwtComponent::Reshape to %d, %d, %d, %d", x, y, w, h);
990 UINT flags = SWP_NOACTIVATE | SWP_NOZORDER;
991
992 RECT r;
993
994 ::GetWindowRect(GetHWnd(), &r);
995 // if the component size is changing , don't copy window bits
996 if (r.right - r.left != w || r.bottom - r.top != h) {
997 flags |= SWP_NOCOPYBITS;
998 }
999
1000 if (parent && _tcscmp(parent->GetClassName(), TEXT("SunAwtScrollPane")) == 0) {
1001 if (x > 0) {
1002 x = 0;
1003 }
1004 if (y > 0) {
1005 y = 0;
1006 }
1007 }
1008 if (m_hdwp != NULL) {
1009 m_hdwp = ::DeferWindowPos(m_hdwp, GetHWnd(), 0, x, y, w, h, flags);
1010 DASSERT(m_hdwp != NULL);
1011 } else {
1012 /*
1013 * Fox for 4046446
1014 * If window has dimensions above the short int limit, ::SetWindowPos doesn't work.
1015 * We should use SetWindowPlacement instead.
1016 */
1017 SetWindowPos(GetHWnd(), 0, x, y, w, h, flags);
1018 }
1019 }
1020
1021 void AwtComponent::SetScrollValues(UINT bar, int min, int value, int max)
1022 {
1023 int minTmp, maxTmp;
1024
1025 ::GetScrollRange(GetHWnd(), bar, &minTmp, &maxTmp);
1026 if (min == INT_MAX) {
1027 min = minTmp;
1028 }
1029 if (value == INT_MAX) {
1030 value = ::GetScrollPos(GetHWnd(), bar);
1031 }
1032 if (max == INT_MAX) {
1033 max = maxTmp;
1034 }
1035 if (min == max) {
1036 max++;
1037 }
1038 ::SetScrollRange(GetHWnd(), bar, min, max, FALSE);
1039 ::SetScrollPos(GetHWnd(), bar, value, TRUE);
1040 }
1041
1042 /*
1043 * Save Global Reference of sun.awt.windows.WInputMethod object
1044 */
1045 void AwtComponent::SetInputMethod(jobject im, BOOL useNativeCompWindow)
1046 {
1047 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1048
1049 if (m_InputMethod!=NULL)
1050 env->DeleteGlobalRef(m_InputMethod);
1051
1052 if (im!=NULL){
1053 m_InputMethod = env->NewGlobalRef(im);
1054 m_useNativeCompWindow = useNativeCompWindow;
1055 } else {
1056 m_InputMethod = NULL;
1057 m_useNativeCompWindow = TRUE;
1058 }
1059
1060 }
1061
1062 /*
1063 * Opportunity to process and/or eat a message before it is dispatched
1064 */
1065 MsgRouting AwtComponent::PreProcessMsg(MSG& msg)
1066 {
1067 return mrPassAlong;
1068 }
1069
1070 static UINT lastMessage = WM_NULL;
1071
1072 #ifndef SPY_MESSAGES
1073 #define SpyWinMessage(hwin,msg,str)
1074 #else
1075
1076 #define FMT_MSG(x,y) case x: _stprintf(szBuf, \
1077 "0x%8.8x(%s):%s\n", hwnd, szComment, y); break;
1078 #define WIN_MSG(x) FMT_MSG(x,#x)
1079
1080 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) {
1081
1082 TCHAR szBuf[256];
1083
1084 switch (message) {
1085 WIN_MSG(WM_NULL)
1086 WIN_MSG(WM_CREATE)
1087 WIN_MSG(WM_DESTROY)
1088 WIN_MSG(WM_MOVE)
1089 WIN_MSG(WM_SIZE)
1090 WIN_MSG(WM_ACTIVATE)
1091 WIN_MSG(WM_SETFOCUS)
1092 WIN_MSG(WM_KILLFOCUS)
1093 WIN_MSG(WM_ENABLE)
1094 WIN_MSG(WM_SETREDRAW)
1095 WIN_MSG(WM_SETTEXT)
1096 WIN_MSG(WM_GETTEXT)
1097 WIN_MSG(WM_GETTEXTLENGTH)
1098 WIN_MSG(WM_PAINT)
1099 WIN_MSG(WM_CLOSE)
1100 WIN_MSG(WM_QUERYENDSESSION)
1101 WIN_MSG(WM_QUIT)
1102 WIN_MSG(WM_QUERYOPEN)
1103 WIN_MSG(WM_ERASEBKGND)
1104 WIN_MSG(WM_SYSCOLORCHANGE)
1105 WIN_MSG(WM_ENDSESSION)
1106 WIN_MSG(WM_SHOWWINDOW)
1107 FMT_MSG(WM_WININICHANGE,"WM_WININICHANGE/WM_SETTINGCHANGE")
1108 WIN_MSG(WM_DEVMODECHANGE)
1109 WIN_MSG(WM_ACTIVATEAPP)
1110 WIN_MSG(WM_FONTCHANGE)
1111 WIN_MSG(WM_TIMECHANGE)
1112 WIN_MSG(WM_CANCELMODE)
1113 WIN_MSG(WM_SETCURSOR)
1114 WIN_MSG(WM_MOUSEACTIVATE)
1115 WIN_MSG(WM_CHILDACTIVATE)
1116 WIN_MSG(WM_QUEUESYNC)
1117 WIN_MSG(WM_GETMINMAXINFO)
1118 WIN_MSG(WM_PAINTICON)
1119 WIN_MSG(WM_ICONERASEBKGND)
1120 WIN_MSG(WM_NEXTDLGCTL)
1121 WIN_MSG(WM_SPOOLERSTATUS)
1122 WIN_MSG(WM_DRAWITEM)
1123 WIN_MSG(WM_MEASUREITEM)
1124 WIN_MSG(WM_DELETEITEM)
1125 WIN_MSG(WM_VKEYTOITEM)
1126 WIN_MSG(WM_CHARTOITEM)
1127 WIN_MSG(WM_SETFONT)
1128 WIN_MSG(WM_GETFONT)
1129 WIN_MSG(WM_SETHOTKEY)
1130 WIN_MSG(WM_GETHOTKEY)
1131 WIN_MSG(WM_QUERYDRAGICON)
1132 WIN_MSG(WM_COMPAREITEM)
1133 FMT_MSG(0x003D, "WM_GETOBJECT")
1134 WIN_MSG(WM_COMPACTING)
1135 WIN_MSG(WM_COMMNOTIFY)
1136 WIN_MSG(WM_WINDOWPOSCHANGING)
1137 WIN_MSG(WM_WINDOWPOSCHANGED)
1138 WIN_MSG(WM_POWER)
1139 WIN_MSG(WM_COPYDATA)
1140 WIN_MSG(WM_CANCELJOURNAL)
1141 WIN_MSG(WM_NOTIFY)
1142 WIN_MSG(WM_INPUTLANGCHANGEREQUEST)
1143 WIN_MSG(WM_INPUTLANGCHANGE)
1144 WIN_MSG(WM_TCARD)
1145 WIN_MSG(WM_HELP)
1146 WIN_MSG(WM_USERCHANGED)
1147 WIN_MSG(WM_NOTIFYFORMAT)
1148 WIN_MSG(WM_CONTEXTMENU)
1149 WIN_MSG(WM_STYLECHANGING)
1150 WIN_MSG(WM_STYLECHANGED)
1151 WIN_MSG(WM_DISPLAYCHANGE)
1152 WIN_MSG(WM_GETICON)
1153 WIN_MSG(WM_SETICON)
1154 WIN_MSG(WM_NCCREATE)
1155 WIN_MSG(WM_NCDESTROY)
1156 WIN_MSG(WM_NCCALCSIZE)
1157 WIN_MSG(WM_NCHITTEST)
1158 WIN_MSG(WM_NCPAINT)
1159 WIN_MSG(WM_NCACTIVATE)
1160 WIN_MSG(WM_GETDLGCODE)
1161 WIN_MSG(WM_SYNCPAINT)
1162 WIN_MSG(WM_NCMOUSEMOVE)
1163 WIN_MSG(WM_NCLBUTTONDOWN)
1164 WIN_MSG(WM_NCLBUTTONUP)
1165 WIN_MSG(WM_NCLBUTTONDBLCLK)
1166 WIN_MSG(WM_NCRBUTTONDOWN)
1167 WIN_MSG(WM_NCRBUTTONUP)
1168 WIN_MSG(WM_NCRBUTTONDBLCLK)
1169 WIN_MSG(WM_NCMBUTTONDOWN)
1170 WIN_MSG(WM_NCMBUTTONUP)
1171 WIN_MSG(WM_NCMBUTTONDBLCLK)
1172 WIN_MSG(WM_KEYDOWN)
1173 WIN_MSG(WM_KEYUP)
1174 WIN_MSG(WM_CHAR)
1175 WIN_MSG(WM_DEADCHAR)
1176 WIN_MSG(WM_SYSKEYDOWN)
1177 WIN_MSG(WM_SYSKEYUP)
1178 WIN_MSG(WM_SYSCHAR)
1179 WIN_MSG(WM_SYSDEADCHAR)
1180 WIN_MSG(WM_IME_STARTCOMPOSITION)
1181 WIN_MSG(WM_IME_ENDCOMPOSITION)
1182 WIN_MSG(WM_IME_COMPOSITION)
1183 WIN_MSG(WM_INITDIALOG)
1184 WIN_MSG(WM_COMMAND)
1185 WIN_MSG(WM_SYSCOMMAND)
1186 WIN_MSG(WM_TIMER)
1187 WIN_MSG(WM_HSCROLL)
1188 WIN_MSG(WM_VSCROLL)
1189 WIN_MSG(WM_INITMENU)
1190 WIN_MSG(WM_INITMENUPOPUP)
1191 WIN_MSG(WM_MENUSELECT)
1192 WIN_MSG(WM_MENUCHAR)
1193 WIN_MSG(WM_ENTERIDLE)
1194 FMT_MSG(0x0122, "WM_MENURBUTTONUP")
1195 FMT_MSG(0x0123, "WM_MENUDRAG")
1196 FMT_MSG(0x0124, "WM_MENUGETOBJECT")
1197 FMT_MSG(0x0125, "WM_UNINITMENUPOPUP")
1198 FMT_MSG(0x0126, "WM_MENUCOMMAND")
1199 WIN_MSG(WM_CTLCOLORMSGBOX)
1200 WIN_MSG(WM_CTLCOLOREDIT)
1201 WIN_MSG(WM_CTLCOLORLISTBOX)
1202 WIN_MSG(WM_CTLCOLORBTN)
1203 WIN_MSG(WM_CTLCOLORDLG)
1204 WIN_MSG(WM_CTLCOLORSCROLLBAR)
1205 WIN_MSG(WM_CTLCOLORSTATIC)
1206 WIN_MSG(WM_MOUSEMOVE)
1207 WIN_MSG(WM_LBUTTONDOWN)
1208 WIN_MSG(WM_LBUTTONUP)
1209 WIN_MSG(WM_LBUTTONDBLCLK)
1210 WIN_MSG(WM_RBUTTONDOWN)
1211 WIN_MSG(WM_RBUTTONUP)
1212 WIN_MSG(WM_RBUTTONDBLCLK)
1213 WIN_MSG(WM_MBUTTONDOWN)
1214 WIN_MSG(WM_MBUTTONUP)
1215 WIN_MSG(WM_MBUTTONDBLCLK)
1216 WIN_MSG(WM_XBUTTONDBLCLK)
1217 WIN_MSG(WM_XBUTTONDOWN)
1218 WIN_MSG(WM_XBUTTONUP)
1219 WIN_MSG(WM_MOUSEWHEEL)
1220 WIN_MSG(WM_MOUSEHWHEEL)
1221 WIN_MSG(WM_PARENTNOTIFY)
1222 WIN_MSG(WM_ENTERMENULOOP)
1223 WIN_MSG(WM_EXITMENULOOP)
1224 WIN_MSG(WM_NEXTMENU)
1225 WIN_MSG(WM_SIZING)
1226 WIN_MSG(WM_CAPTURECHANGED)
1227 WIN_MSG(WM_MOVING)
1228 WIN_MSG(WM_POWERBROADCAST)
1229 WIN_MSG(WM_DEVICECHANGE)
1230 WIN_MSG(WM_MDICREATE)
1231 WIN_MSG(WM_MDIDESTROY)
1232 WIN_MSG(WM_MDIACTIVATE)
1233 WIN_MSG(WM_MDIRESTORE)
1234 WIN_MSG(WM_MDINEXT)
1235 WIN_MSG(WM_MDIMAXIMIZE)
1236 WIN_MSG(WM_MDITILE)
1237 WIN_MSG(WM_MDICASCADE)
1238 WIN_MSG(WM_MDIICONARRANGE)
1239 WIN_MSG(WM_MDIGETACTIVE)
1240 WIN_MSG(WM_MDISETMENU)
1241 WIN_MSG(WM_ENTERSIZEMOVE)
1242 WIN_MSG(WM_EXITSIZEMOVE)
1243 WIN_MSG(WM_DROPFILES)
1244 WIN_MSG(WM_MDIREFRESHMENU)
1245 WIN_MSG(WM_IME_SETCONTEXT)
1246 WIN_MSG(WM_IME_NOTIFY)
1247 WIN_MSG(WM_IME_CONTROL)
1248 WIN_MSG(WM_IME_COMPOSITIONFULL)
1249 WIN_MSG(WM_IME_SELECT)
1250 WIN_MSG(WM_IME_CHAR)
1251 FMT_MSG(WM_IME_REQUEST)
1252 WIN_MSG(WM_IME_KEYDOWN)
1253 WIN_MSG(WM_IME_KEYUP)
1254 FMT_MSG(0x02A1, "WM_MOUSEHOVER")
1255 FMT_MSG(0x02A3, "WM_MOUSELEAVE")
1256 WIN_MSG(WM_CUT)
1257 WIN_MSG(WM_COPY)
1258 WIN_MSG(WM_PASTE)
1259 WIN_MSG(WM_CLEAR)
1260 WIN_MSG(WM_UNDO)
1261 WIN_MSG(WM_RENDERFORMAT)
1262 WIN_MSG(WM_RENDERALLFORMATS)
1263 WIN_MSG(WM_DESTROYCLIPBOARD)
1264 WIN_MSG(WM_DRAWCLIPBOARD)
1265 WIN_MSG(WM_PAINTCLIPBOARD)
1266 WIN_MSG(WM_VSCROLLCLIPBOARD)
1267 WIN_MSG(WM_SIZECLIPBOARD)
1268 WIN_MSG(WM_ASKCBFORMATNAME)
1269 WIN_MSG(WM_CHANGECBCHAIN)
1270 WIN_MSG(WM_HSCROLLCLIPBOARD)
1271 WIN_MSG(WM_QUERYNEWPALETTE)
1272 WIN_MSG(WM_PALETTEISCHANGING)
1273 WIN_MSG(WM_PALETTECHANGED)
1274 WIN_MSG(WM_HOTKEY)
1275 WIN_MSG(WM_PRINT)
1276 WIN_MSG(WM_PRINTCLIENT)
1277 WIN_MSG(WM_HANDHELDFIRST)
1278 WIN_MSG(WM_HANDHELDLAST)
1279 WIN_MSG(WM_AFXFIRST)
1280 WIN_MSG(WM_AFXLAST)
1281 WIN_MSG(WM_PENWINFIRST)
1282 WIN_MSG(WM_PENWINLAST)
1283 WIN_MSG(WM_AWT_COMPONENT_CREATE)
1284 WIN_MSG(WM_AWT_DESTROY_WINDOW)
1285 WIN_MSG(WM_AWT_MOUSEENTER)
1286 WIN_MSG(WM_AWT_MOUSEEXIT)
1287 WIN_MSG(WM_AWT_COMPONENT_SHOW)
1288 WIN_MSG(WM_AWT_COMPONENT_HIDE)
1289 WIN_MSG(WM_AWT_COMPONENT_SETFOCUS)
1290 WIN_MSG(WM_AWT_WINDOW_SETACTIVE)
1291 WIN_MSG(WM_AWT_LIST_SETMULTISELECT)
1292 WIN_MSG(WM_AWT_HANDLE_EVENT)
1293 WIN_MSG(WM_AWT_PRINT_COMPONENT)
1294 WIN_MSG(WM_AWT_RESHAPE_COMPONENT)
1295 WIN_MSG(WM_AWT_SETALWAYSONTOP)
1296 WIN_MSG(WM_AWT_BEGIN_VALIDATE)
1297 WIN_MSG(WM_AWT_END_VALIDATE)
1298 WIN_MSG(WM_AWT_FORWARD_CHAR)
1299 WIN_MSG(WM_AWT_FORWARD_BYTE)
1300 WIN_MSG(WM_AWT_SET_SCROLL_INFO)
1301 WIN_MSG(WM_AWT_CREATECONTEXT)
1302 WIN_MSG(WM_AWT_DESTROYCONTEXT)
1303 WIN_MSG(WM_AWT_ASSOCIATECONTEXT)
1304 WIN_MSG(WM_AWT_GET_DEFAULT_IME_HANDLER)
1305 WIN_MSG(WM_AWT_HANDLE_NATIVE_IME_EVENT)
1306 WIN_MSG(WM_AWT_PRE_KEYDOWN)
1307 WIN_MSG(WM_AWT_PRE_KEYUP)
1308 WIN_MSG(WM_AWT_PRE_SYSKEYDOWN)
1309 WIN_MSG(WM_AWT_PRE_SYSKEYUP)
1310 WIN_MSG(WM_AWT_ENDCOMPOSITION,)
1311 WIN_MSG(WM_AWT_DISPOSE,)
1312 WIN_MSG(WM_AWT_DELETEOBJECT,)
1313 WIN_MSG(WM_AWT_SETCONVERSIONSTATUS,)
1314 WIN_MSG(WM_AWT_GETCONVERSIONSTATUS,)
1315 WIN_MSG(WM_AWT_SETOPENSTATUS,)
1316 WIN_MSG(WM_AWT_GETOPENSTATUS)
1317 WIN_MSG(WM_AWT_ACTIVATEKEYBOARDLAYOUT)
1318 WIN_MSG(WM_AWT_OPENCANDIDATEWINDOW)
1319 WIN_MSG(WM_AWT_DLG_SHOWMODAL,)
1320 WIN_MSG(WM_AWT_DLG_ENDMODAL,)
1321 WIN_MSG(WM_AWT_SETCURSOR,)
1322 WIN_MSG(WM_AWT_WAIT_FOR_SINGLE_OBJECT,)
1323 WIN_MSG(WM_AWT_INVOKE_METHOD,)
1324 WIN_MSG(WM_AWT_INVOKE_VOID_METHOD,)
1325 WIN_MSG(WM_AWT_EXECUTE_SYNC,)
1326 WIN_MSG(WM_AWT_CURSOR_SYNC)
1327 WIN_MSG(WM_AWT_GETDC)
1328 WIN_MSG(WM_AWT_RELEASEDC)
1329 WIN_MSG(WM_AWT_RELEASE_ALL_DCS)
1330 WIN_MSG(WM_AWT_SHOWCURSOR)
1331 WIN_MSG(WM_AWT_HIDECURSOR)
1332 WIN_MSG(WM_AWT_CREATE_PRINTED_PIXELS)
1333 WIN_MSG(WM_AWT_OBJECTLISTCLEANUP)
1334 default:
1335 sprintf(szBuf, "0x%8.8x(%s):Unknown message 0x%8.8x\n",
1336 hwnd, szComment, message);
1337 break;
1338 }
1339 printf(szBuf);
1340 }
1341
1342 #endif /* SPY_MESSAGES */
1343
1344 /*
1345 * Dispatch messages for this window class--general component
1346 */
1347 LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
1348 {
1349 CounterHelper ch(&m_MessagesProcessing);
1350
1351 JNILocalFrame lframe(AwtToolkit::GetEnv(), 10);
1352 SpyWinMessage(GetHWnd(), message,
1353 (message == WM_AWT_RELEASE_ALL_DCS) ? TEXT("Disposed Component") : GetClassName());
1354
1355 LRESULT retValue = 0;
1356 MsgRouting mr = mrDoDefault;
1357 AwtToolkit::GetInstance().eventNumber++;
1358
1359 static BOOL ignoreNextLBTNUP = FALSE; //Ignore next LBUTTONUP msg?
1360
1361 lastMessage = message;
1362
1363 if (message == WmAwtIsComponent) {
1364 // special message to identify AWT HWND's without using
1365 // resource hogging ::SetProp
1366 return (LRESULT)TRUE;
1367 }
1368
1369 DWORD curPos = 0;
1370
1371 UINT switchMessage = message;
1372 switch (switchMessage) {
1373 case WM_AWT_GETDC:
1374 {
1375 HDC hDC;
1376 // First, release the DCs scheduled for deletion
1377 ReleaseDCList(GetHWnd(), passiveDCList);
1378
1379 GetDCReturnStruct *returnStruct = new GetDCReturnStruct;
1380 returnStruct->gdiLimitReached = FALSE;
1381 if (AwtGDIObject::IncrementIfAvailable()) {
1382 hDC = ::GetDCEx(GetHWnd(), NULL,
1383 DCX_CACHE | DCX_CLIPCHILDREN |
1384 DCX_CLIPSIBLINGS);
1385 if (hDC != NULL) {
1386 // Add new DC to list of DC's associated with this Component
1387 activeDCList.AddDC(hDC, GetHWnd());
1388 } else {
1389 // Creation failed; decrement counter in AwtGDIObject
1390 AwtGDIObject::Decrement();
1391 }
1392 } else {
1393 hDC = NULL;
1394 returnStruct->gdiLimitReached = TRUE;
1395 }
1396 returnStruct->hDC = hDC;
1397 retValue = (LRESULT)returnStruct;
1398 mr = mrConsume;
1399 break;
1400 }
1401 case WM_AWT_RELEASEDC:
1402 {
1403 HDC hDC = (HDC)wParam;
1404 MoveDCToPassiveList(hDC, GetHWnd());
1405 ReleaseDCList(GetHWnd(), passiveDCList);
1406 mr = mrConsume;
1407 break;
1408 }
1409 case WM_AWT_RELEASE_ALL_DCS:
1410 {
1411 // Called during Component destruction. Gets current list of
1412 // DC's associated with Component and releases each DC.
1413 ReleaseDCList(GetHWnd(), activeDCList);
1414 ReleaseDCList(GetHWnd(), passiveDCList);
1415 mr = mrConsume;
1416 break;
1417 }
1418 case WM_AWT_SHOWCURSOR:
1419 ::ShowCursor(TRUE);
1420 break;
1421 case WM_AWT_HIDECURSOR:
1422 ::ShowCursor(FALSE);
1423 break;
1424 case WM_CREATE: mr = WmCreate(); break;
1425 case WM_CLOSE: mr = WmClose(); break;
1426 case WM_DESTROY: mr = WmDestroy(); break;
1427 case WM_NCDESTROY: mr = WmNcDestroy(); break;
1428
1429 case WM_ERASEBKGND:
1430 mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break;
1431 case WM_PAINT:
1432 CheckFontSmoothingSettings(GetHWnd());
1433 /* Set draw state */
1434 SetDrawState(GetDrawState() | JAWT_LOCK_CLIP_CHANGED);
1435 mr = WmPaint((HDC)wParam);
1436 break;
1437
1438 case WM_GETMINMAXINFO:
1439 mr = WmGetMinMaxInfo((LPMINMAXINFO)lParam);
1440 break;
1441
1442 case WM_WINDOWPOSCHANGING:
1443 {
1444 // We process this message so that we can synchronize access to
1445 // a moving window. The Scale/Blt functions in Win32BlitLoops
1446 // take the same windowMoveLock to ensure that a window is not
1447 // moving while we are trying to copy pixels into it.
1448 WINDOWPOS *lpPosInfo = (WINDOWPOS *)lParam;
1449 if ((lpPosInfo->flags & (SWP_NOMOVE | SWP_NOSIZE)) !=
1450 (SWP_NOMOVE | SWP_NOSIZE))
1451 {
1452 // Move or Size command.
1453 // Windows tends to send erroneous events that the window
1454 // is about to move when the coordinates are exactly the
1455 // same as the last time. This can cause problems with
1456 // our windowMoveLock CriticalSection because we enter it
1457 // here and never get to WM_WINDOWPOSCHANGED to release it.
1458 // So make sure this is a real move/size event before bothering
1459 // to grab the critical section.
1460 BOOL takeLock = FALSE;
1461 if (!(lpPosInfo->flags & SWP_NOMOVE) &&
1462 ((windowMoveLockPosX != lpPosInfo->x) ||
1463 (windowMoveLockPosY != lpPosInfo->y)))
1464 {
1465 // Real move event
1466 takeLock = TRUE;
1467 windowMoveLockPosX = lpPosInfo->x;
1468 windowMoveLockPosY = lpPosInfo->y;
1469 }
1470 if (!(lpPosInfo->flags & SWP_NOSIZE) &&
1471 ((windowMoveLockPosCX != lpPosInfo->cx) ||
1472 (windowMoveLockPosCY != lpPosInfo->cy)))
1473 {
1474 // Real size event
1475 takeLock = TRUE;
1476 windowMoveLockPosCX = lpPosInfo->cx;
1477 windowMoveLockPosCY = lpPosInfo->cy;
1478 }
1479 if (takeLock) {
1480 if (!windowMoveLockHeld) {
1481 windowMoveLock.Enter();
1482 windowMoveLockHeld = TRUE;
1483 }
1484 }
1485 }
1486 mr = WmWindowPosChanging(lParam);
1487 break;
1488 }
1489 case WM_WINDOWPOSCHANGED:
1490 {
1491 // Release lock grabbed in the POSCHANGING message
1492 if (windowMoveLockHeld) {
1493 windowMoveLockHeld = FALSE;
1494 windowMoveLock.Leave();
1495 }
1496 mr = WmWindowPosChanged(lParam);
1497 break;
1498 }
1499 case WM_MOVE: {
1500 RECT r;
1501 ::GetWindowRect(GetHWnd(), &r);
1502 mr = WmMove(r.left, r.top);
1503 break;
1504 }
1505 case WM_SIZE:
1506 {
1507 RECT r;
1508 // fix 4128317 : use GetClientRect for full 32-bit int precision and
1509 // to avoid negative client area dimensions overflowing 16-bit params - robi
1510 ::GetClientRect( GetHWnd(), &r );
1511 mr = WmSize(static_cast<UINT>(wParam), r.right - r.left, r.bottom - r.top);
1512 //mr = WmSize(wParam, LOWORD(lParam), HIWORD(lParam));
1513 SetCompositionWindow(r);
1514 break;
1515 }
1516 case WM_SIZING:
1517 mr = WmSizing();
1518 break;
1519 case WM_SHOWWINDOW:
1520 mr = WmShowWindow(static_cast<BOOL>(wParam),
1521 static_cast<UINT>(lParam)); break;
1522 case WM_SYSCOMMAND:
1523 mr = WmSysCommand(static_cast<UINT>(wParam & 0xFFF0),
1524 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1525 break;
1526 case WM_ENTERSIZEMOVE:
1527 mr = WmEnterSizeMove();
1528 break;
1529 case WM_EXITSIZEMOVE:
1530 mr = WmExitSizeMove();
1531 break;
1532 // Bug #4039858 (Selecting menu item causes bogus mouse click event)
1533 case WM_ENTERMENULOOP:
1534 mr = WmEnterMenuLoop((BOOL)wParam);
1535 sm_bMenuLoop = TRUE;
1536 // we need to release grab if menu is shown
1537 if (AwtWindow::GetGrabbedWindow() != NULL) {
1538 AwtWindow::GetGrabbedWindow()->Ungrab();
1539 }
1540 break;
1541 case WM_EXITMENULOOP:
1542 mr = WmExitMenuLoop((BOOL)wParam);
1543 sm_bMenuLoop = FALSE;
1544 break;
1545
1546 // We don't expect any focus messages on non-proxy component,
1547 // except those that came from Java.
1548 case WM_SETFOCUS:
1549 if (sm_inSynthesizeFocus) {
1550 mr = WmSetFocus((HWND)wParam);
1551 } else {
1552 mr = mrConsume;
1553 }
1554 break;
1555 case WM_KILLFOCUS:
1556 if (sm_inSynthesizeFocus) {
1557 mr = WmKillFocus((HWND)wParam);
1558 } else {
1559 mr = mrConsume;
1560 }
1561 break;
1562 case WM_ACTIVATE: {
1563 UINT nState = LOWORD(wParam);
1564 BOOL fMinimized = (BOOL)HIWORD(wParam);
1565 mr = mrConsume;
1566
1567 if (!sm_suppressFocusAndActivation &&
1568 (!fMinimized || (nState == WA_INACTIVE)))
1569 {
1570 mr = WmActivate(nState, fMinimized, (HWND)lParam);
1571
1572 // When the window is deactivated, send WM_IME_ENDCOMPOSITION
1573 // message to deactivate the composition window so that
1574 // it won't receive keyboard input focus.
1575 HIMC hIMC;
1576 HWND hwnd = ImmGetHWnd();
1577 if ((hIMC = ImmGetContext(hwnd)) != NULL) {
1578 ImmReleaseContext(hwnd, hIMC);
1579 DefWindowProc(WM_IME_ENDCOMPOSITION, 0, 0);
1580 }
1581 }
1582 break;
1583 }
1584 case WM_MOUSEACTIVATE: {
1585 AwtWindow *window = GetContainer();
1586 if (window && window->IsFocusableWindow()) {
1587 // AWT/Swing will later request focus to a proper component
1588 // on handling the Java mouse event. Anyway, we have to
1589 // activate the window here as it works both for AWT & Swing.
1590 // Do it in our own fassion,
1591 window->AwtSetActiveWindow(TRUE, LOWORD(lParam)/*hittest*/);
1592 }
1593 mr = mrConsume;
1594 retValue = MA_NOACTIVATE;
1595 break;
1596 }
1597 case WM_CTLCOLORMSGBOX:
1598 case WM_CTLCOLOREDIT:
1599 case WM_CTLCOLORLISTBOX:
1600 case WM_CTLCOLORBTN:
1601 case WM_CTLCOLORDLG:
1602 case WM_CTLCOLORSCROLLBAR:
1603 case WM_CTLCOLORSTATIC:
1604 mr = WmCtlColor((HDC)wParam, (HWND)lParam,
1605 message-WM_CTLCOLORMSGBOX+CTLCOLOR_MSGBOX,
1606 *(HBRUSH*)&retValue);
1607 break;
1608 case WM_HSCROLL:
1609 mr = WmHScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1610 break;
1611 case WM_VSCROLL:
1612 mr = WmVScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1613 break;
1614 // 4664415: We're seeing a WM_LBUTTONUP when the user releases the
1615 // mouse button after a WM_NCLBUTTONDBLCLK. We want to ignore this
1616 // WM_LBUTTONUP, so we set a flag in WM_NCLBUTTONDBLCLK and look for the
1617 // flag on a WM_LBUTTONUP. -bchristi
1618 case WM_NCLBUTTONDBLCLK:
1619 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON | DBL_CLICK);
1620 if (mr == mrDoDefault) {
1621 ignoreNextLBTNUP = TRUE;
1622 }
1623 break;
1624 case WM_NCLBUTTONDOWN:
1625 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1626 ignoreNextLBTNUP = FALSE;
1627 break;
1628 case WM_NCLBUTTONUP:
1629 mr = WmNcMouseUp(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1630 break;
1631 case WM_NCRBUTTONDOWN:
1632 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), RIGHT_BUTTON);
1633 break;
1634 case WM_LBUTTONUP:
1635 if (ignoreNextLBTNUP) {
1636 ignoreNextLBTNUP = FALSE;
1637 return mrDoDefault;
1638 }
1639 //fall-through
1640 case WM_LBUTTONDOWN:
1641 ignoreNextLBTNUP = FALSE;
1642 //fall-through
1643 case WM_LBUTTONDBLCLK:
1644 case WM_RBUTTONDOWN:
1645 case WM_RBUTTONDBLCLK:
1646 case WM_RBUTTONUP:
1647 case WM_MBUTTONDOWN:
1648 case WM_MBUTTONDBLCLK:
1649 case WM_MBUTTONUP:
1650 case WM_XBUTTONDBLCLK:
1651 case WM_XBUTTONDOWN:
1652 case WM_XBUTTONUP:
1653 case WM_MOUSEMOVE:
1654 case WM_MOUSEWHEEL:
1655 case WM_MOUSEHWHEEL:
1656 case WM_AWT_MOUSEENTER:
1657 case WM_AWT_MOUSEEXIT:
1658 curPos = ::GetMessagePos();
1659 POINT myPos;
1660 myPos.x = GET_X_LPARAM(curPos);
1661 myPos.y = GET_Y_LPARAM(curPos);
1662 ::ScreenToClient(GetHWnd(), &myPos);
1663 switch(switchMessage) {
1664 case WM_AWT_MOUSEENTER:
1665 mr = WmMouseEnter(static_cast<UINT>(wParam), myPos.x, myPos.y);
1666 break;
1667 case WM_LBUTTONDOWN:
1668 case WM_LBUTTONDBLCLK:
1669 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1670 LEFT_BUTTON);
1671 break;
1672 case WM_LBUTTONUP:
1673 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1674 LEFT_BUTTON);
1675 break;
1676 case WM_MOUSEMOVE:
1677 mr = WmMouseMove(static_cast<UINT>(wParam), myPos.x, myPos.y);
1678 break;
1679 case WM_MBUTTONDOWN:
1680 case WM_MBUTTONDBLCLK:
1681 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1682 MIDDLE_BUTTON);
1683 break;
1684 case WM_XBUTTONDOWN:
1685 case WM_XBUTTONDBLCLK:
1686 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1687 if (HIWORD(wParam) == 1) {
1688 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1689 X1_BUTTON);
1690 }
1691 if (HIWORD(wParam) == 2) {
1692 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1693 X2_BUTTON);
1694 }
1695 }
1696 break;
1697 case WM_XBUTTONUP:
1698 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1699 if (HIWORD(wParam) == 1) {
1700 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1701 X1_BUTTON);
1702 }
1703 if (HIWORD(wParam) == 2) {
1704 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1705 X2_BUTTON);
1706 }
1707 }
1708 break;
1709 case WM_RBUTTONDOWN:
1710 case WM_RBUTTONDBLCLK:
1711 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1712 RIGHT_BUTTON);
1713 break;
1714 case WM_RBUTTONUP:
1715 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1716 RIGHT_BUTTON);
1717 break;
1718 case WM_MBUTTONUP:
1719 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1720 MIDDLE_BUTTON);
1721 break;
1722 case WM_AWT_MOUSEEXIT:
1723 mr = WmMouseExit(static_cast<UINT>(wParam), myPos.x, myPos.y);
1724 break;
1725 case WM_MOUSEWHEEL:
1726 case WM_MOUSEHWHEEL:
1727 mr = WmMouseWheel(GET_KEYSTATE_WPARAM(wParam),
1728 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
1729 GET_WHEEL_DELTA_WPARAM(wParam),
1730 switchMessage == WM_MOUSEHWHEEL);
1731 break;
1732 }
1733 break;
1734 case WM_TOUCH:
1735 WmTouch(wParam, lParam);
1736 break;
1737 case WM_SETCURSOR:
1738 mr = mrDoDefault;
1739 if (LOWORD(lParam) == HTCLIENT) {
1740 if (AwtComponent* comp =
1741 AwtComponent::GetComponent((HWND)wParam)) {
1742 AwtCursor::UpdateCursor(comp);
1743 mr = mrConsume;
1744 }
1745 }
1746 break;
1747
1748 case WM_KEYDOWN:
1749 mr = WmKeyDown(static_cast<UINT>(wParam),
1750 LOWORD(lParam), HIWORD(lParam), FALSE);
1751 break;
1752 case WM_KEYUP:
1753 mr = WmKeyUp(static_cast<UINT>(wParam),
1754 LOWORD(lParam), HIWORD(lParam), FALSE);
1755 break;
1756 case WM_SYSKEYDOWN:
1757 mr = WmKeyDown(static_cast<UINT>(wParam),
1758 LOWORD(lParam), HIWORD(lParam), TRUE);
1759 break;
1760 case WM_SYSKEYUP:
1761 mr = WmKeyUp(static_cast<UINT>(wParam),
1762 LOWORD(lParam), HIWORD(lParam), TRUE);
1763 break;
1764 case WM_IME_SETCONTEXT:
1765 // lParam is passed as pointer and it can be modified.
1766 mr = WmImeSetContext(static_cast<BOOL>(wParam), &lParam);
1767 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1768 break;
1769 case WM_IME_NOTIFY:
1770 mr = WmImeNotify(wParam, lParam);
1771 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1772 break;
1773 case WM_IME_STARTCOMPOSITION:
1774 mr = WmImeStartComposition();
1775 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1776 break;
1777 case WM_IME_ENDCOMPOSITION:
1778 mr = WmImeEndComposition();
1779 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1780 break;
1781 case WM_IME_COMPOSITION: {
1782 WORD dbcschar = static_cast<WORD>(wParam);
1783 mr = WmImeComposition(dbcschar, lParam);
1784 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1785 break;
1786 }
1787 case WM_IME_CONTROL:
1788 case WM_IME_COMPOSITIONFULL:
1789 case WM_IME_SELECT:
1790 case WM_IME_KEYUP:
1791 case WM_IME_KEYDOWN:
1792 case WM_IME_REQUEST:
1793 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1794 break;
1795 case WM_CHAR:
1796 mr = WmChar(static_cast<UINT>(wParam),
1797 LOWORD(lParam), HIWORD(lParam), FALSE);
1798 break;
1799 case WM_SYSCHAR:
1800 mr = WmChar(static_cast<UINT>(wParam),
1801 LOWORD(lParam), HIWORD(lParam), TRUE);
1802 break;
1803 case WM_IME_CHAR:
1804 mr = WmIMEChar(static_cast<UINT>(wParam),
1805 LOWORD(lParam), HIWORD(lParam), FALSE);
1806 break;
1807
1808 case WM_INPUTLANGCHANGEREQUEST: {
1809 DTRACE_PRINTLN4("WM_INPUTLANGCHANGEREQUEST: hwnd = 0x%X (%s);"//
1810 "0x%08X -> 0x%08X",
1811 GetHWnd(), GetClassName(),
1812 (UINT_PTR)GetKeyboardLayout(), (UINT_PTR)lParam);
1813 // 4267428: make sure keyboard layout is turned undead.
1814 static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
1815 AwtToolkit::GetKeyboardState(keyboardState);
1816 WORD ignored;
1817 ::ToAsciiEx(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0),
1818 keyboardState, &ignored, 0, GetKeyboardLayout());
1819
1820 // Set this flag to block ActivateKeyboardLayout from
1821 // WInputMethod.activate()
1822 g_bUserHasChangedInputLang = TRUE;
1823 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1824 break;
1825 }
1826 case WM_INPUTLANGCHANGE:
1827 DTRACE_PRINTLN3("WM_INPUTLANGCHANGE: hwnd = 0x%X (%s);"//
1828 "new = 0x%08X",
1829 GetHWnd(), GetClassName(), (UINT)lParam);
1830 mr = WmInputLangChange(static_cast<UINT>(wParam), reinterpret_cast<HKL>(lParam));
1831 g_bUserHasChangedInputLang = TRUE;
1832 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1833 // should return non-zero if we process this message
1834 retValue = 1;
1835 break;
1836
1837 case WM_AWT_FORWARD_CHAR:
1838 mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam));
1839 break;
1840
1841 case WM_AWT_FORWARD_BYTE:
1842 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1843 break;
1844
1845 case WM_PASTE:
1846 mr = WmPaste();
1847 break;
1848 case WM_TIMER:
1849 mr = WmTimer(wParam);
1850 break;
1851
1852 case WM_COMMAND:
1853 mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam));
1854 break;
1855 case WM_COMPAREITEM:
1856 mr = WmCompareItem(static_cast<UINT>(wParam),
1857 *(COMPAREITEMSTRUCT*)lParam, retValue);
1858 break;
1859 case WM_DELETEITEM:
1860 mr = WmDeleteItem(static_cast<UINT>(wParam),
1861 *(DELETEITEMSTRUCT*)lParam);
1862 break;
1863 case WM_DRAWITEM:
1864 mr = WmDrawItem(static_cast<UINT>(wParam),
1865 *(DRAWITEMSTRUCT*)lParam);
1866 break;
1867 case WM_MEASUREITEM:
1868 mr = WmMeasureItem(static_cast<UINT>(wParam),
1869 *(MEASUREITEMSTRUCT*)lParam);
1870 break;
1871
1872 case WM_AWT_HANDLE_EVENT:
1873 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1874 break;
1875
1876 case WM_PRINT:
1877 mr = WmPrint((HDC)wParam, lParam);
1878 break;
1879 case WM_PRINTCLIENT:
1880 mr = WmPrintClient((HDC)wParam, lParam);
1881 break;
1882
1883 case WM_NCCALCSIZE:
1884 mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam,
1885 retValue);
1886 break;
1887 case WM_NCPAINT:
1888 mr = WmNcPaint((HRGN)wParam);
1889 break;
1890 case WM_NCHITTEST:
1891 mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue);
1892 break;
1893
1894 case WM_AWT_RESHAPE_COMPONENT: {
1895 RECT* r = (RECT*)lParam;
1896 WPARAM checkEmbedded = wParam;
1897 if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) {
1898 ::OffsetRect(r, -r->left, -r->top);
1899 }
1900 Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top);
1901 delete r;
1902 mr = mrConsume;
1903 break;
1904 }
1905
1906 case WM_AWT_SETALWAYSONTOP: {
1907 AwtWindow* w = (AwtWindow*)lParam;
1908 BOOL value = (BOOL)wParam;
1909 UINT flags = SWP_NOMOVE | SWP_NOSIZE;
1910 // transient windows shouldn't change the owner window's position in the z-order
1911 if (w->IsRetainingHierarchyZOrder()) {
1912 flags |= SWP_NOOWNERZORDER;
1913 }
1914 ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST),
1915 0,0,0,0, flags);
1916 break;
1917 }
1918
1919 case WM_AWT_BEGIN_VALIDATE:
1920 BeginValidate();
1921 mr = mrConsume;
1922 break;
1923 case WM_AWT_END_VALIDATE:
1924 EndValidate();
1925 mr = mrConsume;
1926 break;
1927
1928 case WM_PALETTEISCHANGING:
1929 mr = WmPaletteIsChanging((HWND)wParam);
1930 mr = mrDoDefault;
1931 break;
1932 case WM_QUERYNEWPALETTE:
1933 mr = WmQueryNewPalette(retValue);
1934 break;
1935 case WM_PALETTECHANGED:
1936 mr = WmPaletteChanged((HWND)wParam);
1937 break;
1938 case WM_STYLECHANGED:
1939 mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam);
1940 break;
1941 case WM_SETTINGCHANGE:
1942 CheckFontSmoothingSettings(NULL);
1943 mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam);
1944 break;
1945 case WM_CONTEXTMENU:
1946 mr = WmContextMenu((HWND)wParam,
1947 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1948 break;
1949
1950 /*
1951 * These messages are used to route Win32 calls to the
1952 * creating thread, since these calls fail unless executed
1953 * there.
1954 */
1955 case WM_AWT_COMPONENT_SHOW:
1956 Show();
1957 mr = mrConsume;
1958 break;
1959 case WM_AWT_COMPONENT_HIDE:
1960 Hide();
1961 mr = mrConsume;
1962 break;
1963
1964 case WM_AWT_COMPONENT_SETFOCUS:
1965 if ((BOOL)wParam) {
1966 retValue = SynthesizeWmSetFocus(GetHWnd(), NULL);
1967 } else {
1968 retValue = SynthesizeWmKillFocus(GetHWnd(), NULL);
1969 }
1970 mr = mrConsume;
1971 break;
1972 case WM_AWT_WINDOW_SETACTIVE:
1973 retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam);
1974 mr = mrConsume;
1975 break;
1976
1977 case WM_AWT_SET_SCROLL_INFO: {
1978 SCROLLINFO *si = (SCROLLINFO *) lParam;
1979 ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE);
1980 delete si;
1981 mr = mrConsume;
1982 break;
1983 }
1984 case WM_AWT_CREATE_PRINTED_PIXELS: {
1985 CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam;
1986 SIZE loc = { cpps->srcx, cpps->srcy };
1987 SIZE size = { cpps->srcw, cpps->srch };
1988 retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha);
1989 mr = mrConsume;
1990 break;
1991 }
1992 case WM_UNDOCUMENTED_CLICKMENUBAR:
1993 {
1994 if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) {
1995 mr = mrConsume;
1996 }
1997 }
1998 }
1999
2000 /*
2001 * If not a specific Consume, it was a specific DoDefault, or a
2002 * PassAlong (since the default is the next in chain), then call the
2003 * default proc.
2004 */
2005 if (mr != mrConsume) {
2006 retValue = DefWindowProc(message, wParam, lParam);
2007 }
2008
2009 return retValue;
2010 }
2011 /*
2012 * Call this instance's default window proc, or if none set, call the stock
2013 * Window's one.
2014 */
2015 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam)
2016 {
2017 return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam);
2018 }
2019
2020 /*
2021 * This message should only be received when a window is destroyed by
2022 * Windows, and not Java. Window termination has been reworked so
2023 * this method should never be called during termination.
2024 */
2025 MsgRouting AwtComponent::WmDestroy()
2026 {
2027 return mrConsume;
2028 }
2029
2030 /*
2031 * This message should only be received when a window is destroyed by
2032 * Windows, and not Java. It is sent only after child windows were destroyed.
2033 */
2034 MsgRouting AwtComponent::WmNcDestroy()
2035 {
2036 if (m_peerObject != NULL) { // is not being terminating
2037 // Stay in this handler until AwtComponent::Dispose is called.
2038 m_bPauseDestroy = TRUE;
2039
2040 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
2041 // Post invocation event for WObjectPeer.dispose to EDT
2042 env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID);
2043 // Wait until AwtComponent::Dispose is called
2044 AwtToolkit::GetInstance().PumpToDestroy(this);
2045 }
2046
2047 return mrConsume;
2048 }
2049
2050 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi)
2051 {
2052 return mrDoDefault;
2053 }
2054
2055 MsgRouting AwtComponent::WmMove(int x, int y)
2056 {
2057 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2058 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2059 return mrDoDefault;
2060 }
2061
2062 MsgRouting AwtComponent::WmSize(UINT type, int w, int h)
2063 {
2064 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2065 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2066 return mrDoDefault;
2067 }
2068
2069 MsgRouting AwtComponent::WmSizing()
2070 {
2071 return mrDoDefault;
2072 }
2073
2074 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos)
2075 {
2076 return mrDoDefault;
2077 }
2078
2079 MsgRouting AwtComponent::WmEnterSizeMove()
2080 {
2081 return mrDoDefault;
2082 }
2083
2084 MsgRouting AwtComponent::WmExitSizeMove()
2085 {
2086 return mrDoDefault;
2087 }
2088
2089 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu)
2090 {
2091 return mrDoDefault;
2092 }
2093
2094 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu)
2095 {
2096 return mrDoDefault;
2097 }
2098
2099 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status)
2100 {
2101 return mrDoDefault;
2102 }
2103
2104 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus)
2105 {
2106 m_wheelRotationAmountX = 0;
2107 m_wheelRotationAmountY = 0;
2108 return mrDoDefault;
2109 }
2110
2111 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus)
2112 {
2113 m_wheelRotationAmountX = 0;
2114 m_wheelRotationAmountY = 0;
2115 return mrDoDefault;
2116 }
2117
2118 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl,
2119 UINT ctlColor, HBRUSH& retBrush)
2120 {
2121 AwtComponent* child = AwtComponent::GetComponent(hCtrl);
2122 if (child) {
2123 ::SetBkColor(hDC, child->GetBackgroundColor());
2124 ::SetTextColor(hDC, child->GetColor());
2125 retBrush = child->GetBackgroundBrush();
2126 return mrConsume;
2127 }
2128 return mrDoDefault;
2129 /*
2130 switch (ctlColor) {
2131 case CTLCOLOR_MSGBOX:
2132 case CTLCOLOR_EDIT:
2133 case CTLCOLOR_LISTBOX:
2134 case CTLCOLOR_BTN:
2135 case CTLCOLOR_DLG:
2136 case CTLCOLOR_SCROLLBAR:
2137 case CTLCOLOR_STATIC:
2138 }
2139 */
2140 }
2141
2142 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos,
2143 HWND hScrollbar) {
2144 if (hScrollbar && hScrollbar != GetHWnd()) {
2145 /* the last test should never happen */
2146 AwtComponent* sb = GetComponent(hScrollbar);
2147 if (sb) {
2148 sb->WmHScroll(scrollCode, pos, hScrollbar);
2149 }
2150 }
2151 return mrDoDefault;
2152 }
2153
2154 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar)
2155 {
2156 if (hScrollbar && hScrollbar != GetHWnd()) {
2157 /* the last test should never happen */
2158 AwtComponent* sb = GetComponent(hScrollbar);
2159 if (sb) {
2160 sb->WmVScroll(scrollCode, pos, hScrollbar);
2161 }
2162 }
2163 return mrDoDefault;
2164 }
2165
2166
2167 MsgRouting AwtComponent::WmPaint(HDC)
2168 {
2169 /* Get the rectangle that covers all update regions, if any exist. */
2170 RECT r;
2171 if (::GetUpdateRect(GetHWnd(), &r, FALSE)) {
2172 if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 &&
2173 m_peerObject != NULL && m_callbacksEnabled) {
2174 /*
2175 * Always call handlePaint, because the underlying control
2176 * will have painted itself (the "background") before any
2177 * paint method is called.
2178 */
2179 DoCallback("handlePaint", "(IIII)V",
2180 r.left, r.top, r.right-r.left, r.bottom-r.top);
2181 }
2182 }
2183 return mrDoDefault;
2184 }
2185
2186 void AwtComponent::PaintUpdateRgn(const RECT *insets)
2187 {
2188 // Fix 4530093: Don't Validate if can't actually paint
2189 if (m_peerObject == NULL || !m_callbacksEnabled) {
2190
2191 // Fix 4745222: If we don't ValidateRgn, windows will keep sending
2192 // WM_PAINT messages until we do. This causes java to go into
2193 // a tight loop that increases CPU to 100% and starves main
2194 // thread which needs to complete initialization, but cant.
2195 ::ValidateRgn(GetHWnd(), NULL);
2196
2197 return;
2198 }
2199
2200 HRGN rgn = ::CreateRectRgn(0,0,1,1);
2201 int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE);
2202 /*
2203 * Now remove all update regions from this window -- do it
2204 * here instead of after the Java upcall, in case any new
2205 * updating is requested.
2206 */
2207 ::ValidateRgn(GetHWnd(), NULL);
2208
2209 if (updated == COMPLEXREGION || updated == SIMPLEREGION) {
2210 if (insets != NULL) {
2211 ::OffsetRgn(rgn, insets->left, insets->top);
2212 }
2213 DWORD size = ::GetRegionData(rgn, 0, NULL);
2214 if (size == 0) {
2215 ::DeleteObject((HGDIOBJ)rgn);
2216 return;
2217 }
2218 char* buffer = new char[size]; // safe because sizeof(char)==1
2219 memset(buffer, 0, size);
2220 LPRGNDATA rgndata = (LPRGNDATA)buffer;
2221 rgndata->rdh.dwSize = sizeof(RGNDATAHEADER);
2222 rgndata->rdh.iType = RDH_RECTANGLES;
2223 int retCode = ::GetRegionData(rgn, size, rgndata);
2224 VERIFY(retCode);
2225 if (retCode == 0) {
2226 delete [] buffer;
2227 ::DeleteObject((HGDIOBJ)rgn);
2228 return;
2229 }
2230 /*
2231 * Updating rects are divided into mostly vertical and mostly horizontal
2232 * Each group is united together and if not empty painted separately
2233 */
2234 RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize);
2235 RECT* un[2] = {0, 0};
2236 DWORD i;
2237 for (i = 0; i < rgndata->rdh.nCount; i++, r++) {
2238 int width = r->right-r->left;
2239 int height = r->bottom-r->top;
2240 if (width > 0 && height > 0) {
2241 int toAdd = (width > height) ? 0: 1;
2242 if (un[toAdd] != 0) {
2243 ::UnionRect(un[toAdd], un[toAdd], r);
2244 } else {
2245 un[toAdd] = r;
2246 }
2247 }
2248 }
2249 for(i = 0; i < 2; i++) {
2250 if (un[i] != 0) {
2251 DoCallback("handleExpose", "(IIII)V",
2252 ScaleDownX(un[i]->left),
2253 ScaleDownY(un[i]->top),
2254 ScaleDownX(un[i]->right - un[i]->left),
2255 ScaleDownY(un[i]->bottom - un[i]->top));
2256 }
2257 }
2258 delete [] buffer;
2259 }
2260 ::DeleteObject((HGDIOBJ)rgn);
2261 }
2262
2263 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y)
2264 {
2265 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED,
2266 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 0, JNI_FALSE);
2267 if ((flags & ALL_MK_BUTTONS) == 0) {
2268 AwtCursor::UpdateCursor(this);
2269 }
2270 sm_cursorOn = GetHWnd();
2271 return mrConsume; /* Don't pass our synthetic event on! */
2272 }
2273
2274 MSG*
2275 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam,
2276 int x = 0, int y = 0)
2277 {
2278 MSG* pMsg = new MSG;
2279 InitMessage(pMsg, message, wParam, lParam, x, y);
2280 return pMsg;
2281 }
2282
2283
2284 jint
2285 AwtComponent::GetDrawState(HWND hwnd) {
2286 return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp));
2287 }
2288
2289 void
2290 AwtComponent::SetDrawState(HWND hwnd, jint state) {
2291 ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state);
2292 }
2293
2294 void
2295 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam,
2296 int x = 0, int y = 0)
2297 {
2298 msg->message = message;
2299 msg->wParam = wParam;
2300 msg->lParam = lParam;
2301 msg->time = ::GetMessageTime();
2302 msg->pt.x = x;
2303 msg->pt.y = y;
2304 }
2305
2306 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) {
2307 return mrDoDefault;
2308 }
2309 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) {
2310 return mrDoDefault;
2311 }
2312
2313 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) {
2314 return mrDoDefault;
2315 }
2316 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) {
2317 return mrDoDefault;
2318 }
2319
2320 void AwtComponent::WmTouch(WPARAM wParam, LPARAM lParam) {
2321 AwtToolkit& tk = AwtToolkit::GetInstance();
2322 if (!tk.IsWin8OrLater() || !tk.IsTouchKeyboardAutoShowEnabled()) {
2323 return;
2324 }
2325
2326 UINT inputsCount = LOWORD(wParam);
2327 TOUCHINPUT* pInputs = new TOUCHINPUT[inputsCount];
2328 if (pInputs != NULL) {
2329 if (tk.TIGetTouchInputInfo((HTOUCHINPUT)lParam, inputsCount, pInputs,
2330 sizeof(TOUCHINPUT)) != 0) {
2331 for (UINT i = 0; i < inputsCount; i++) {
2332 TOUCHINPUT ti = pInputs[i];
2333 if (ti.dwFlags & TOUCHEVENTF_PRIMARY) {
2334 if (ti.dwFlags & TOUCHEVENTF_DOWN) {
2335 m_touchDownPoint.x = ti.x / 100;
2336 m_touchDownPoint.y = ti.y / 100;
2337 ::ScreenToClient(GetHWnd(), &m_touchDownPoint);
2338 m_touchDownOccurred = TRUE;
2339 } else if (ti.dwFlags & TOUCHEVENTF_UP) {
2340 m_touchUpPoint.x = ti.x / 100;
2341 m_touchUpPoint.y = ti.y / 100;
2342 ::ScreenToClient(GetHWnd(), &m_touchUpPoint);
2343 m_touchUpOccurred = TRUE;
2344 }
2345 }
2346 }
2347 }
2348 delete[] pInputs;
2349 }
2350 }
2351
2352 /* Double-click variables. */
2353 static jlong multiClickTime = ::GetDoubleClickTime();
2354 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK);
2355 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK);
2356 static AwtComponent* lastClickWnd = NULL;
2357 static jlong lastTime = 0;
2358 static int lastClickX = 0;
2359 static int lastClickY = 0;
2360 static int lastButton = 0;
2361 static int clickCount = 0;
2362
2363 // A static method that makes the clickCount available in the derived classes
2364 // overriding WmMouseDown().
2365 int AwtComponent::GetClickCount()
2366 {
2367 return clickCount;
2368 }
2369
2370 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button)
2371 {
2372 jlong now = ::JVM_CurrentTimeMillis(NULL, 0);
2373
2374 if (lastClickWnd == this &&
2375 lastButton == button &&
2376 (now - lastTime) <= multiClickTime &&
2377 abs(x - lastClickX) <= multiClickMaxX &&
2378 abs(y - lastClickY) <= multiClickMaxY)
2379 {
2380 clickCount++;
2381 } else {
2382 clickCount = 1;
2383 lastClickWnd = this;
2384 lastButton = button;
2385 lastClickX = x;
2386 lastClickY = y;
2387 }
2388 /*
2389 *Set appropriate bit of the mask on WM_MOUSE_DOWN message.
2390 */
2391 m_mouseButtonClickAllowed |= GetButtonMK(button);
2392 lastTime = now;
2393
2394 BOOL causedByTouchEvent = FALSE;
2395 if (m_touchDownOccurred &&
2396 (abs(m_touchDownPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2397 (abs(m_touchDownPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2398 causedByTouchEvent = TRUE;
2399 m_touchDownOccurred = FALSE;
2400 }
2401
2402 MSG msg;
2403 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2404
2405 AwtWindow *toplevel = GetContainer();
2406 if (toplevel && !toplevel->IsSimpleWindow()) {
2407 /*
2408 * The frame should be focused by click in case it is
2409 * the active window but not the focused window. See 6886678.
2410 */
2411 if (toplevel->GetHWnd() == ::GetActiveWindow() &&
2412 toplevel->GetHWnd() != AwtComponent::GetFocusedWindow())
2413 {
2414 toplevel->AwtSetActiveWindow();
2415 }
2416 }
2417
2418 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y,
2419 GetJavaModifiers(), clickCount, JNI_FALSE,
2420 GetButton(button), &msg, causedByTouchEvent);
2421 /*
2422 * NOTE: this call is intentionally placed after all other code,
2423 * since AwtComponent::WmMouseDown() assumes that the cached id of the
2424 * latest retrieved message (see lastMessage in awt_Component.cpp)
2425 * matches the mouse message being processed.
2426 * SetCapture() sends WM_CAPTURECHANGED and breaks that
2427 * assumption.
2428 */
2429 SetDragCapture(flags);
2430
2431 AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd()));
2432 if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) {
2433 if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) {
2434 AwtWindow::GetGrabbedWindow()->Ungrab();
2435 }
2436 }
2437 return mrConsume;
2438 }
2439
2440 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button)
2441 {
2442 BOOL causedByTouchEvent = FALSE;
2443 if (m_touchUpOccurred &&
2444 (abs(m_touchUpPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2445 (abs(m_touchUpPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2446 causedByTouchEvent = TRUE;
2447 m_touchUpOccurred = FALSE;
2448 }
2449
2450 MSG msg;
2451 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2452
2453 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, ::JVM_CurrentTimeMillis(NULL, 0),
2454 x, y, GetJavaModifiers(), clickCount,
2455 (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ?
2456 TRUE : FALSE), GetButton(button), &msg, causedByTouchEvent);
2457 /*
2458 * If no movement, then report a click following the button release.
2459 * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN,
2460 * spurous MOUSE_CLICK is about to happen. See 6430553.
2461 */
2462 if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed
2463 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED,
2464 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(),
2465 clickCount, JNI_FALSE, GetButton(button));
2466 }
2467 // Exclude button from allowed to generate CLICK messages
2468 m_mouseButtonClickAllowed &= ~GetButtonMK(button);
2469
2470 if ((flags & ALL_MK_BUTTONS) == 0) {
2471 // only update if all buttons have been released
2472 AwtCursor::UpdateCursor(this);
2473 }
2474 /*
2475 * NOTE: this call is intentionally placed after all other code,
2476 * since AwtComponent::WmMouseUp() assumes that the cached id of the
2477 * latest retrieved message (see lastMessage in awt_Component.cpp)
2478 * matches the mouse message being processed.
2479 * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that
2480 * assumption.
2481 */
2482 ReleaseDragCapture(flags);
2483
2484 return mrConsume;
2485 }
2486
2487 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y)
2488 {
2489 static AwtComponent* lastComp = NULL;
2490 static int lastX = 0;
2491 static int lastY = 0;
2492
2493 /*
2494 * Only report mouse move and drag events if a move or drag
2495 * actually happened -- Windows sends a WM_MOUSEMOVE in case the
2496 * app wants to modify the cursor.
2497 */
2498 if (lastComp != this || x != lastX || y != lastY) {
2499 lastComp = this;
2500 lastX = x;
2501 lastY = y;
2502 BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled();
2503 if (((flags & (ALL_MK_BUTTONS)) != 0) ||
2504 (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0))
2505 // if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) ||
2506 // ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) ))
2507 {
2508 // 6404008 : if Dragged event fired we shouldn't fire
2509 // Clicked event: m_firstDragSent set to TRUE.
2510 // This is a partial backout of 5039416 fix.
2511 MSG msg;
2512 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2513 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2514 GetJavaModifiers(), 0, JNI_FALSE,
2515 java_awt_event_MouseEvent_NOBUTTON, &msg);
2516 //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence
2517 m_mouseButtonClickAllowed = 0;
2518 } else {
2519 MSG msg;
2520 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2521 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2522 GetJavaModifiers(), 0, JNI_FALSE,
2523 java_awt_event_MouseEvent_NOBUTTON, &msg);
2524 }
2525 }
2526
2527 return mrConsume;
2528 }
2529
2530 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y)
2531 {
2532 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, ::JVM_CurrentTimeMillis(NULL, 0), x,
2533 y, GetJavaModifiers(), 0, JNI_FALSE);
2534 sm_cursorOn = NULL;
2535 return mrConsume; /* Don't pass our synthetic event on! */
2536 }
2537
2538 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y,
2539 int wheelRotation, BOOL isHorizontal)
2540 {
2541 // convert coordinates to be Component-relative, not screen relative
2542 // for wheeling when outside the window, this works similar to
2543 // coordinates during a drag
2544 POINT eventPt;
2545 eventPt.x = x;
2546 eventPt.y = y;
2547 DTRACE_PRINT2(" original coords: %i,%i\n", x, y);
2548 ::ScreenToClient(GetHWnd(), &eventPt);
2549 DTRACE_PRINT2(" new coords: %i,%i\n\n", eventPt.x, eventPt.y);
2550
2551 // set some defaults
2552 jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2553 jint scrollUnits = 3;
2554
2555 BOOL result;
2556 UINT platformUnits;
2557 jint roundedWheelRotation;
2558 jdouble preciseWheelRotation;
2559
2560 // AWT interprets wheel rotation differently than win32, so we need to
2561 // decode wheel amount.
2562 jint modifiers = GetJavaModifiers();
2563 if (isHorizontal) {
2564 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2565 m_wheelRotationAmountX += wheelRotation;
2566 roundedWheelRotation = m_wheelRotationAmountX / (WHEEL_DELTA);
2567 preciseWheelRotation = (jdouble) wheelRotation / (WHEEL_DELTA);
2568 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0,
2569 &platformUnits, 0);
2570 } else {
2571 m_wheelRotationAmountY += wheelRotation;
2572 roundedWheelRotation = m_wheelRotationAmountY / (-1 * WHEEL_DELTA);
2573 preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA);
2574 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
2575 &platformUnits, 0);
2576 }
2577
2578 MSG msg;
2579 InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation),
2580 MAKELPARAM(x, y));
2581
2582 if (result) {
2583 if (platformUnits == WHEEL_PAGESCROLL) {
2584 scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL;
2585 scrollUnits = 1;
2586 }
2587 else {
2588 scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2589 scrollUnits = platformUnits;
2590 }
2591 }
2592
2593 DTRACE_PRINTLN("calling SendMouseWheelEvent");
2594
2595 SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, ::JVM_CurrentTimeMillis(NULL, 0),
2596 eventPt.x, eventPt.y, modifiers, 0, 0, scrollType,
2597 scrollUnits, roundedWheelRotation, preciseWheelRotation, &msg);
2598
2599 m_wheelRotationAmountX %= WHEEL_DELTA;
2600 m_wheelRotationAmountY %= WHEEL_DELTA;
2601 // this message could be propagated up to the parent chain
2602 // by the mouse message post processors
2603 return mrConsume;
2604 }
2605
2606 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) {
2607 // Rector+Newcomer page 413
2608 // The extended keys are the Alt and Control on the right of
2609 // the space bar, the non-Numpad arrow keys, the non-Numpad
2610 // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys.
2611 // Note that neither Shift key is extended.
2612 // Although not listed in Rector+Newcomer, both Windows keys
2613 // (91 and 92) are extended keys, the Context Menu key
2614 // (property key or application key - 93) is extended,
2615 // and so is the NumLock key.
2616
2617 // wkey is the wParam, flags is the HIWORD of the lParam
2618
2619 // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam)
2620 BOOL extended = ((1<<8) & flags);
2621
2622 if (IsNumPadKey(wkey, extended)) {
2623 return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD;
2624 }
2625
2626 switch (wkey) {
2627 case VK_SHIFT:
2628 return AwtComponent::GetShiftKeyLocation(wkey, flags);
2629 case VK_CONTROL: // fall through
2630 case VK_MENU:
2631 if (extended) {
2632 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2633 } else {
2634 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2635 }
2636 case VK_LWIN:
2637 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2638 case VK_RWIN:
2639 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2640 default:
2641 break;
2642 }
2643
2644 // REMIND: if we add keycodes for the windows keys, we'll have to
2645 // include left/right discrimination code for them.
2646
2647 return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
2648 }
2649
2650 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags)
2651 {
2652 // init scancodes to safe values
2653 UINT leftShiftScancode = 0;
2654 UINT rightShiftScancode = 0;
2655
2656 // First 8 bits of flags is the scancode
2657 UINT keyScanCode = flags & 0xFF;
2658
2659 DTRACE_PRINTLN3(
2660 "AwtComponent::GetShiftKeyLocation vkey = %d = 0x%x scan = %d",
2661 vkey, vkey, keyScanCode);
2662
2663 leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0);
2664 rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0);
2665
2666 if (keyScanCode == leftShiftScancode) {
2667 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2668 }
2669 if (keyScanCode == rightShiftScancode) {
2670 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2671 }
2672
2673 DASSERT(false);
2674 // Note: the above should not fail on NT (or 2000)
2675
2676 // default value
2677 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2678 }
2679
2680 /* Returns Java ActionEvent modifieres.
2681 * When creating ActionEvent, modifiers provided by ActionEvent
2682 * class should be set.
2683 */
2684 jint
2685 AwtComponent::GetActionModifiers()
2686 {
2687 jint modifiers = GetJavaModifiers();
2688
2689 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
2690 modifiers |= java_awt_event_ActionEvent_CTRL_MASK;
2691 }
2692 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
2693 modifiers |= java_awt_event_ActionEvent_SHIFT_MASK;
2694 }
2695 if (modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) {
2696 modifiers |= java_awt_event_ActionEvent_ALT_MASK;
2697 }
2698 return modifiers;
2699 }
2700
2701 /* Returns Java extended InputEvent modifieres.
2702 * Since ::GetKeyState returns current state and Java modifiers represent
2703 * state before event, modifier on changed key are inverted.
2704 */
2705 jint
2706 AwtComponent::GetJavaModifiers()
2707 {
2708 jint modifiers = 0;
2709
2710 if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) {
2711 modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK;
2712 }
2713 if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) {
2714 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2715 }
2716 if (HIBYTE(::GetKeyState(VK_MENU)) != 0) {
2717 modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK;
2718 }
2719 if (HIBYTE(::GetKeyState(VK_RMENU)) != 0) {
2720 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
2721 }
2722 if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) {
2723 modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK;
2724 }
2725 if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) {
2726 modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK;
2727 }
2728 if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) {
2729 modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK;
2730 }
2731
2732 if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) {
2733 modifiers |= masks[3];
2734 }
2735 if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) {
2736 modifiers |= masks[4];
2737 }
2738 return modifiers;
2739 }
2740
2741 jint
2742 AwtComponent::GetButton(int mouseButton)
2743 {
2744 /* Mouse buttons are already set correctly for left/right handedness */
2745 switch(mouseButton) {
2746 case LEFT_BUTTON:
2747 return java_awt_event_MouseEvent_BUTTON1;
2748 case MIDDLE_BUTTON:
2749 return java_awt_event_MouseEvent_BUTTON2;
2750 case RIGHT_BUTTON:
2751 return java_awt_event_MouseEvent_BUTTON3;
2752 case X1_BUTTON: //16 :
2753 //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now
2754 return 4;
2755 case X2_BUTTON: //32
2756 return 5;
2757 }
2758 return java_awt_event_MouseEvent_NOBUTTON;
2759 }
2760
2761 UINT
2762 AwtComponent::GetButtonMK(int mouseButton)
2763 {
2764 switch(mouseButton) {
2765 case LEFT_BUTTON:
2766 return MK_LBUTTON;
2767 case MIDDLE_BUTTON:
2768 return MK_MBUTTON;
2769 case RIGHT_BUTTON:
2770 return MK_RBUTTON;
2771 case X1_BUTTON:
2772 return MK_XBUTTON1;
2773 case X2_BUTTON:
2774 return MK_XBUTTON2;
2775 }
2776 return 0;
2777 }
2778
2779 // FIXME: Keyboard related stuff has grown so big and hairy that we
2780 // really need to move it into a class of its own. And, since
2781 // keyboard is a shared resource, AwtComponent is a bad place for it.
2782
2783 // These constants are defined in the Japanese version of VC++5.0,
2784 // but not the US version
2785 #ifndef VK_CONVERT
2786 #define VK_KANA 0x15
2787 #define VK_KANJI 0x19
2788 #define VK_CONVERT 0x1C
2789 #define VK_NONCONVERT 0x1D
2790 #endif
2791
2792 #ifndef VK_XBUTTON1
2793 #define VK_XBUTTON1 0x05
2794 #endif
2795
2796 #ifndef VK_XBUTTON2
2797 #define VK_XBUTTON2 0x06
2798 #endif
2799
2800 typedef struct {
2801 UINT javaKey;
2802 UINT windowsKey;
2803 } KeyMapEntry;
2804
2805 // Static table, arranged more or less spatially.
2806 KeyMapEntry keyMapTable[] = {
2807 // Modifier keys
2808 {java_awt_event_KeyEvent_VK_CAPS_LOCK, VK_CAPITAL},
2809 {java_awt_event_KeyEvent_VK_SHIFT, VK_SHIFT},
2810 {java_awt_event_KeyEvent_VK_CONTROL, VK_CONTROL},
2811 {java_awt_event_KeyEvent_VK_ALT, VK_MENU},
2812 {java_awt_event_KeyEvent_VK_ALT_GRAPH, VK_RMENU},
2813 {java_awt_event_KeyEvent_VK_NUM_LOCK, VK_NUMLOCK},
2814
2815 // Miscellaneous Windows keys
2816 {java_awt_event_KeyEvent_VK_WINDOWS, VK_LWIN},
2817 {java_awt_event_KeyEvent_VK_WINDOWS, VK_RWIN},
2818 {java_awt_event_KeyEvent_VK_CONTEXT_MENU, VK_APPS},
2819
2820 // Alphabet
2821 {java_awt_event_KeyEvent_VK_A, 'A'},
2822 {java_awt_event_KeyEvent_VK_B, 'B'},
2823 {java_awt_event_KeyEvent_VK_C, 'C'},
2824 {java_awt_event_KeyEvent_VK_D, 'D'},
2825 {java_awt_event_KeyEvent_VK_E, 'E'},
2826 {java_awt_event_KeyEvent_VK_F, 'F'},
2827 {java_awt_event_KeyEvent_VK_G, 'G'},
2828 {java_awt_event_KeyEvent_VK_H, 'H'},
2829 {java_awt_event_KeyEvent_VK_I, 'I'},
2830 {java_awt_event_KeyEvent_VK_J, 'J'},
2831 {java_awt_event_KeyEvent_VK_K, 'K'},
2832 {java_awt_event_KeyEvent_VK_L, 'L'},
2833 {java_awt_event_KeyEvent_VK_M, 'M'},
2834 {java_awt_event_KeyEvent_VK_N, 'N'},
2835 {java_awt_event_KeyEvent_VK_O, 'O'},
2836 {java_awt_event_KeyEvent_VK_P, 'P'},
2837 {java_awt_event_KeyEvent_VK_Q, 'Q'},
2838 {java_awt_event_KeyEvent_VK_R, 'R'},
2839 {java_awt_event_KeyEvent_VK_S, 'S'},
2840 {java_awt_event_KeyEvent_VK_T, 'T'},
2841 {java_awt_event_KeyEvent_VK_U, 'U'},
2842 {java_awt_event_KeyEvent_VK_V, 'V'},
2843 {java_awt_event_KeyEvent_VK_W, 'W'},
2844 {java_awt_event_KeyEvent_VK_X, 'X'},
2845 {java_awt_event_KeyEvent_VK_Y, 'Y'},
2846 {java_awt_event_KeyEvent_VK_Z, 'Z'},
2847
2848 // Standard numeric row
2849 {java_awt_event_KeyEvent_VK_0, '0'},
2850 {java_awt_event_KeyEvent_VK_1, '1'},
2851 {java_awt_event_KeyEvent_VK_2, '2'},
2852 {java_awt_event_KeyEvent_VK_3, '3'},
2853 {java_awt_event_KeyEvent_VK_4, '4'},
2854 {java_awt_event_KeyEvent_VK_5, '5'},
2855 {java_awt_event_KeyEvent_VK_6, '6'},
2856 {java_awt_event_KeyEvent_VK_7, '7'},
2857 {java_awt_event_KeyEvent_VK_8, '8'},
2858 {java_awt_event_KeyEvent_VK_9, '9'},
2859
2860 // Misc key from main block
2861 {java_awt_event_KeyEvent_VK_ENTER, VK_RETURN},
2862 {java_awt_event_KeyEvent_VK_SPACE, VK_SPACE},
2863 {java_awt_event_KeyEvent_VK_BACK_SPACE, VK_BACK},
2864 {java_awt_event_KeyEvent_VK_TAB, VK_TAB},
2865 {java_awt_event_KeyEvent_VK_ESCAPE, VK_ESCAPE},
2866
2867 // NumPad with NumLock off & extended block (rectangular)
2868 {java_awt_event_KeyEvent_VK_INSERT, VK_INSERT},
2869 {java_awt_event_KeyEvent_VK_DELETE, VK_DELETE},
2870 {java_awt_event_KeyEvent_VK_HOME, VK_HOME},
2871 {java_awt_event_KeyEvent_VK_END, VK_END},
2872 {java_awt_event_KeyEvent_VK_PAGE_UP, VK_PRIOR},
2873 {java_awt_event_KeyEvent_VK_PAGE_DOWN, VK_NEXT},
2874 {java_awt_event_KeyEvent_VK_CLEAR, VK_CLEAR}, // NumPad 5
2875
2876 // NumPad with NumLock off & extended arrows block (triangular)
2877 {java_awt_event_KeyEvent_VK_LEFT, VK_LEFT},
2878 {java_awt_event_KeyEvent_VK_RIGHT, VK_RIGHT},
2879 {java_awt_event_KeyEvent_VK_UP, VK_UP},
2880 {java_awt_event_KeyEvent_VK_DOWN, VK_DOWN},
2881
2882 // NumPad with NumLock on: numbers
2883 {java_awt_event_KeyEvent_VK_NUMPAD0, VK_NUMPAD0},
2884 {java_awt_event_KeyEvent_VK_NUMPAD1, VK_NUMPAD1},
2885 {java_awt_event_KeyEvent_VK_NUMPAD2, VK_NUMPAD2},
2886 {java_awt_event_KeyEvent_VK_NUMPAD3, VK_NUMPAD3},
2887 {java_awt_event_KeyEvent_VK_NUMPAD4, VK_NUMPAD4},
2888 {java_awt_event_KeyEvent_VK_NUMPAD5, VK_NUMPAD5},
2889 {java_awt_event_KeyEvent_VK_NUMPAD6, VK_NUMPAD6},
2890 {java_awt_event_KeyEvent_VK_NUMPAD7, VK_NUMPAD7},
2891 {java_awt_event_KeyEvent_VK_NUMPAD8, VK_NUMPAD8},
2892 {java_awt_event_KeyEvent_VK_NUMPAD9, VK_NUMPAD9},
2893
2894 // NumPad with NumLock on
2895 {java_awt_event_KeyEvent_VK_MULTIPLY, VK_MULTIPLY},
2896 {java_awt_event_KeyEvent_VK_ADD, VK_ADD},
2897 {java_awt_event_KeyEvent_VK_SEPARATOR, VK_SEPARATOR},
2898 {java_awt_event_KeyEvent_VK_SUBTRACT, VK_SUBTRACT},
2899 {java_awt_event_KeyEvent_VK_DECIMAL, VK_DECIMAL},
2900 {java_awt_event_KeyEvent_VK_DIVIDE, VK_DIVIDE},
2901
2902 // Functional keys
2903 {java_awt_event_KeyEvent_VK_F1, VK_F1},
2904 {java_awt_event_KeyEvent_VK_F2, VK_F2},
2905 {java_awt_event_KeyEvent_VK_F3, VK_F3},
2906 {java_awt_event_KeyEvent_VK_F4, VK_F4},
2907 {java_awt_event_KeyEvent_VK_F5, VK_F5},
2908 {java_awt_event_KeyEvent_VK_F6, VK_F6},
2909 {java_awt_event_KeyEvent_VK_F7, VK_F7},
2910 {java_awt_event_KeyEvent_VK_F8, VK_F8},
2911 {java_awt_event_KeyEvent_VK_F9, VK_F9},
2912 {java_awt_event_KeyEvent_VK_F10, VK_F10},
2913 {java_awt_event_KeyEvent_VK_F11, VK_F11},
2914 {java_awt_event_KeyEvent_VK_F12, VK_F12},
2915 {java_awt_event_KeyEvent_VK_F13, VK_F13},
2916 {java_awt_event_KeyEvent_VK_F14, VK_F14},
2917 {java_awt_event_KeyEvent_VK_F15, VK_F15},
2918 {java_awt_event_KeyEvent_VK_F16, VK_F16},
2919 {java_awt_event_KeyEvent_VK_F17, VK_F17},
2920 {java_awt_event_KeyEvent_VK_F18, VK_F18},
2921 {java_awt_event_KeyEvent_VK_F19, VK_F19},
2922 {java_awt_event_KeyEvent_VK_F20, VK_F20},
2923 {java_awt_event_KeyEvent_VK_F21, VK_F21},
2924 {java_awt_event_KeyEvent_VK_F22, VK_F22},
2925 {java_awt_event_KeyEvent_VK_F23, VK_F23},
2926 {java_awt_event_KeyEvent_VK_F24, VK_F24},
2927
2928 {java_awt_event_KeyEvent_VK_PRINTSCREEN, VK_SNAPSHOT},
2929 {java_awt_event_KeyEvent_VK_SCROLL_LOCK, VK_SCROLL},
2930 {java_awt_event_KeyEvent_VK_PAUSE, VK_PAUSE},
2931 {java_awt_event_KeyEvent_VK_CANCEL, VK_CANCEL},
2932 {java_awt_event_KeyEvent_VK_HELP, VK_HELP},
2933
2934 // Japanese
2935 {java_awt_event_KeyEvent_VK_CONVERT, VK_CONVERT},
2936 {java_awt_event_KeyEvent_VK_NONCONVERT, VK_NONCONVERT},
2937 {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI},
2938 {java_awt_event_KeyEvent_VK_ALPHANUMERIC, VK_DBE_ALPHANUMERIC},
2939 {java_awt_event_KeyEvent_VK_KATAKANA, VK_DBE_KATAKANA},
2940 {java_awt_event_KeyEvent_VK_HIRAGANA, VK_DBE_HIRAGANA},
2941 {java_awt_event_KeyEvent_VK_FULL_WIDTH, VK_DBE_DBCSCHAR},
2942 {java_awt_event_KeyEvent_VK_HALF_WIDTH, VK_DBE_SBCSCHAR},
2943 {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN},
2944
2945 {java_awt_event_KeyEvent_VK_UNDEFINED, 0}
2946 };
2947
2948
2949 // Dynamic mapping table for OEM VK codes. This table is refilled
2950 // by BuildDynamicKeyMapTable when keyboard layout is switched.
2951 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values).
2952 struct DynamicKeyMapEntry {
2953 UINT windowsKey; // OEM VK codes known in advance
2954 UINT javaKey; // depends on input langauge (kbd layout)
2955 };
2956
2957 static DynamicKeyMapEntry dynamicKeyMapTable[] = {
2958 {0x00BA, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1
2959 {0x00BB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS
2960 {0x00BC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA
2961 {0x00BD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS
2962 {0x00BE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD
2963 {0x00BF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2
2964 {0x00C0, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3
2965 {0x00DB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4
2966 {0x00DC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5
2967 {0x00DD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6
2968 {0x00DE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7
2969 {0x00DF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8
2970 {0x00E2, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102
2971 {0, 0}
2972 };
2973
2974
2975
2976 // Auxiliary tables used to fill the above dynamic table. We first
2977 // find the character for the OEM VK code using ::MapVirtualKey and
2978 // then go through these auxiliary tables to map it to Java VK code.
2979
2980 struct CharToVKEntry {
2981 WCHAR c;
2982 UINT javaKey;
2983 };
2984
2985 static const CharToVKEntry charToVKTable[] = {
2986 {L'!', java_awt_event_KeyEvent_VK_EXCLAMATION_MARK},
2987 {L'"', java_awt_event_KeyEvent_VK_QUOTEDBL},
2988 {L'#', java_awt_event_KeyEvent_VK_NUMBER_SIGN},
2989 {L'$', java_awt_event_KeyEvent_VK_DOLLAR},
2990 {L'&', java_awt_event_KeyEvent_VK_AMPERSAND},
2991 {L'\'', java_awt_event_KeyEvent_VK_QUOTE},
2992 {L'(', java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS},
2993 {L')', java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS},
2994 {L'*', java_awt_event_KeyEvent_VK_ASTERISK},
2995 {L'+', java_awt_event_KeyEvent_VK_PLUS},
2996 {L',', java_awt_event_KeyEvent_VK_COMMA},
2997 {L'-', java_awt_event_KeyEvent_VK_MINUS},
2998 {L'.', java_awt_event_KeyEvent_VK_PERIOD},
2999 {L'/', java_awt_event_KeyEvent_VK_SLASH},
3000 {L':', java_awt_event_KeyEvent_VK_COLON},
3001 {L';', java_awt_event_KeyEvent_VK_SEMICOLON},
3002 {L'<', java_awt_event_KeyEvent_VK_LESS},
3003 {L'=', java_awt_event_KeyEvent_VK_EQUALS},
3004 {L'>', java_awt_event_KeyEvent_VK_GREATER},
3005 {L'@', java_awt_event_KeyEvent_VK_AT},
3006 {L'[', java_awt_event_KeyEvent_VK_OPEN_BRACKET},
3007 {L'\\', java_awt_event_KeyEvent_VK_BACK_SLASH},
3008 {L']', java_awt_event_KeyEvent_VK_CLOSE_BRACKET},
3009 {L'^', java_awt_event_KeyEvent_VK_CIRCUMFLEX},
3010 {L'_', java_awt_event_KeyEvent_VK_UNDERSCORE},
3011 {L'`', java_awt_event_KeyEvent_VK_BACK_QUOTE},
3012 {L'{', java_awt_event_KeyEvent_VK_BRACELEFT},
3013 {L'}', java_awt_event_KeyEvent_VK_BRACERIGHT},
3014 {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK},
3015 {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ????
3016 {0,0}
3017 };
3018
3019 // For dead accents some layouts return ASCII punctuation, while some
3020 // return spacing accent chars, so both should be listed. NB: MS docs
3021 // say that conversion routings return spacing accent character, not
3022 // combining.
3023 static const CharToVKEntry charToDeadVKTable[] = {
3024 {L'`', java_awt_event_KeyEvent_VK_DEAD_GRAVE},
3025 {L'\'', java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3026 {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3027 {L'^', java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX},
3028 {L'~', java_awt_event_KeyEvent_VK_DEAD_TILDE},
3029 {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE},
3030 {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON},
3031 {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE},
3032 {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT},
3033 {L'"', java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3034 {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3035 {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING},
3036 {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE},
3037 {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON}, // aka hacek
3038 {L',', java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3039 {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3040 {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK},
3041 {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA}, // ASCII ???
3042 {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND},
3043 {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND},
3044 {0x0004, java_awt_event_KeyEvent_VK_COMPOSE},
3045 {0,0}
3046 };
3047
3048 // The full map of the current keyboard state including
3049 // windows virtual key, scancode, java virtual key, and unicode
3050 // for this key sans modifiers.
3051 // All but first element may be 0.
3052 // XXX in the update releases this is an addition to the unchanged existing code
3053 struct DynPrimaryKeymapEntry {
3054 UINT wkey;
3055 UINT scancode;
3056 UINT jkey;
3057 WCHAR unicode;
3058 };
3059
3060 static DynPrimaryKeymapEntry dynPrimaryKeymap[256];
3061
3062 void
3063 AwtComponent::InitDynamicKeyMapTable()
3064 {
3065 static BOOL kbdinited = FALSE;
3066
3067 if (!kbdinited) {
3068 AwtComponent::BuildDynamicKeyMapTable();
3069 // We cannot build it here since JNI is not available yet:
3070 //AwtComponent::BuildPrimaryDynamicTable();
3071 kbdinited = TRUE;
3072 }
3073 }
3074
3075 void
3076 AwtComponent::BuildDynamicKeyMapTable()
3077 {
3078 HKL hkl = GetKeyboardLayout();
3079
3080 DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)",
3081 hkl, AwtComponent::GetCodePage());
3082
3083 // Will need this to reset layout after dead keys.
3084 UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl);
3085
3086 // Entries in dynamic table that maps between Java VK and Windows
3087 // VK are built in three steps:
3088 // 1. Map windows VK to ANSI character (cannot map to unicode
3089 // directly, since ::ToUnicode is not implemented on win9x)
3090 // 2. Convert ANSI char to Unicode char
3091 // 3. Map Unicode char to Java VK via two auxilary tables.
3092
3093 for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable;
3094 dynamic->windowsKey != 0;
3095 ++dynamic)
3096 {
3097 // Defaults to VK_UNDEFINED
3098 dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED;
3099
3100 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3101 AwtToolkit::GetKeyboardState(kbdState);
3102
3103 kbdState[dynamic->windowsKey] |= 0x80; // Press the key.
3104
3105 // Unpress modifiers, since they are most likely pressed as
3106 // part of the keyboard switching shortcut.
3107 kbdState[VK_CONTROL] &= ~0x80;
3108 kbdState[VK_SHIFT] &= ~0x80;
3109 kbdState[VK_MENU] &= ~0x80;
3110
3111 char cbuf[2] = { '\0', '\0'};
3112 UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl);
3113 int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState,
3114 (WORD*)cbuf, 0, hkl);
3115
3116 // Auxiliary table used to map Unicode character to Java VK.
3117 // Will assign a different table for dead keys (below).
3118 const CharToVKEntry *charMap = charToVKTable;
3119
3120 if (nchars < 0) { // Dead key
3121 // Use a different table for dead chars since different layouts
3122 // return different characters for the same dead key.
3123 charMap = charToDeadVKTable;
3124
3125 // We also need to reset layout so that next translation
3126 // is unaffected by the dead status. We do this by
3127 // translating <SPACE> key.
3128 kbdState[dynamic->windowsKey] &= ~0x80;
3129 kbdState[VK_SPACE] |= 0x80;
3130
3131 char junkbuf[2] = { '\0', '\0'};
3132 ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState,
3133 (WORD*)junkbuf, 0, hkl);
3134 }
3135
3136 #ifdef DEBUG
3137 if (nchars == 0) {
3138 DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char",
3139 dynamic->windowsKey);
3140 continue;
3141 }
3142 else if (nchars > 1) { // can't happen, see reset code below
3143 DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>",
3144 dynamic->windowsKey,
3145 (UCHAR)cbuf[0], (UCHAR)cbuf[1]);
3146 continue;
3147 }
3148 #endif
3149
3150 WCHAR ucbuf[2] = { L'\0', L'\0' };
3151 int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0,
3152 cbuf, 1, ucbuf, 2);
3153 #ifdef DEBUG
3154 if (nconverted < 0) {
3155 DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)",
3156 dynamic->windowsKey, (UCHAR)cbuf[0],
3157 ::GetLastError());
3158 continue;
3159 }
3160 #endif
3161
3162 WCHAR uc = ucbuf[0];
3163 for (const CharToVKEntry *map = charMap; map->c != 0; ++map) {
3164 if (uc == map->c) {
3165 dynamic->javaKey = map->javaKey;
3166 break;
3167 }
3168 }
3169
3170 DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X",
3171 dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0],
3172 dynamic->javaKey);
3173 } // for each VK_OEM_*
3174 }
3175
3176
3177 static BOOL isKanaLockAvailable()
3178 {
3179 // This method is to determine whether the Kana Lock feature is
3180 // available on the attached keyboard. Kana Lock feature does not
3181 // necessarily require that the real KANA keytop is available on
3182 // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing.
3183 // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :-
3184 //
3185 // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL)
3186 // - the keyboard is Japanese keyboard (keyboard type == 7).
3187 return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT))
3188 && (GetKeyboardType(0) == 7);
3189 }
3190
3191 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey,
3192 UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey)
3193 {
3194 // Handle the few cases where a Java VK code corresponds to a Windows
3195 // key/modifier combination or applies only to specific keyboard layouts
3196 switch (javaKey) {
3197 case java_awt_event_KeyEvent_VK_ALL_CANDIDATES:
3198 *windowsKey = VK_CONVERT;
3199 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3200 return;
3201 case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE:
3202 *windowsKey = VK_CONVERT;
3203 *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3204 return;
3205 case java_awt_event_KeyEvent_VK_CODE_INPUT:
3206 *windowsKey = VK_DBE_ALPHANUMERIC;
3207 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3208 return;
3209 case java_awt_event_KeyEvent_VK_KANA_LOCK:
3210 if (isKanaLockAvailable()) {
3211 *windowsKey = VK_KANA;
3212 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK;
3213 return;
3214 }
3215 }
3216
3217 // for the general case, use a bi-directional table
3218 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3219 if (keyMapTable[i].javaKey == javaKey) {
3220 *windowsKey = keyMapTable[i].windowsKey;
3221 *modifiers = 0;
3222 return;
3223 }
3224 }
3225
3226 // Bug 4766655
3227 // Two Windows keys could map to the same Java key, so
3228 // give preference to the originalWindowsKey if it is
3229 // specified (not IGNORE_KEY).
3230 if (originalWindowsKey == IGNORE_KEY) {
3231 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3232 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3233 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3234 *modifiers = 0;
3235 return;
3236 }
3237 }
3238 } else {
3239 BOOL found = false;
3240 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3241 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3242 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3243 *modifiers = 0;
3244 found = true;
3245 if (*windowsKey == originalWindowsKey) {
3246 return; /* if ideal case found return, else keep looking */
3247 }
3248 }
3249 }
3250 if (found) {
3251 return;
3252 }
3253 }
3254
3255 *windowsKey = 0;
3256 *modifiers = 0;
3257 return;
3258 }
3259
3260 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey)
3261
3262 {
3263 // Handle the few cases where we need to take the modifier into
3264 // consideration for the Java VK code or where we have to take the keyboard
3265 // layout into consideration so that function keys can get
3266 // recognized in a platform-independent way.
3267 switch (windowsKey) {
3268 case VK_CONVERT:
3269 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3270 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES;
3271 }
3272 if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) {
3273 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE;
3274 }
3275 break;
3276 case VK_DBE_ALPHANUMERIC:
3277 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3278 return java_awt_event_KeyEvent_VK_CODE_INPUT;
3279 }
3280 break;
3281 case VK_KANA:
3282 if (isKanaLockAvailable()) {
3283 return java_awt_event_KeyEvent_VK_KANA_LOCK;
3284 }
3285 break;
3286 };
3287
3288 // check dead key
3289 if (isDeadKey) {
3290 for (int i = 0; charToDeadVKTable[i].c != 0; i++) {
3291 if (charToDeadVKTable[i].c == character) {
3292 return charToDeadVKTable[i].javaKey;
3293 }
3294 }
3295 }
3296
3297 // for the general case, use a bi-directional table
3298 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3299 if (keyMapTable[i].windowsKey == windowsKey) {
3300 return keyMapTable[i].javaKey;
3301 }
3302 }
3303
3304 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3305 if (dynamicKeyMapTable[j].windowsKey == windowsKey) {
3306 if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) {
3307 return dynamicKeyMapTable[j].javaKey;
3308 }else{
3309 break;
3310 }
3311 }
3312 }
3313
3314 return java_awt_event_KeyEvent_VK_UNDEFINED;
3315 }
3316
3317 BOOL AwtComponent::IsNavigationKey(UINT wkey) {
3318 switch (wkey) {
3319 case VK_END:
3320 case VK_PRIOR: // PageUp
3321 case VK_NEXT: // PageDown
3322 case VK_HOME:
3323 case VK_LEFT:
3324 case VK_UP:
3325 case VK_RIGHT:
3326 case VK_DOWN:
3327 return TRUE;
3328 }
3329 return FALSE;
3330 }
3331
3332 // determine if a key is a numpad key (distinguishes the numpad
3333 // arrow keys from the non-numpad arrow keys, for example).
3334 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended)
3335 {
3336 // Note: scancodes are the same for the numpad arrow keys and
3337 // the non-numpad arrow keys (also for PageUp, etc.).
3338 // The scancodes for the numpad divide and the non-numpad slash
3339 // are the same, but the wparams are different
3340
3341 DTRACE_PRINTLN3("AwtComponent::IsNumPadKey vkey = %d = 0x%x extended = %d",
3342 vkey, vkey, extended);
3343
3344 switch (vkey) {
3345 case VK_CLEAR: // numpad 5 with numlock off
3346 case VK_NUMPAD0:
3347 case VK_NUMPAD1:
3348 case VK_NUMPAD2:
3349 case VK_NUMPAD3:
3350 case VK_NUMPAD4:
3351 case VK_NUMPAD5:
3352 case VK_NUMPAD6:
3353 case VK_NUMPAD7:
3354 case VK_NUMPAD8:
3355 case VK_NUMPAD9:
3356 case VK_MULTIPLY:
3357 case VK_ADD:
3358 case VK_SEPARATOR: // numpad , not on US kbds
3359 case VK_SUBTRACT:
3360 case VK_DECIMAL:
3361 case VK_DIVIDE:
3362 case VK_NUMLOCK:
3363 return TRUE;
3364 break;
3365 case VK_END:
3366 case VK_PRIOR: // PageUp
3367 case VK_NEXT: // PageDown
3368 case VK_HOME:
3369 case VK_LEFT:
3370 case VK_UP:
3371 case VK_RIGHT:
3372 case VK_DOWN:
3373 case VK_INSERT:
3374 case VK_DELETE:
3375 // extended if non-numpad
3376 return (!extended);
3377 break;
3378 case VK_RETURN: // extended if on numpad
3379 return (extended);
3380 break;
3381 default:
3382 break;
3383 }
3384
3385 return FALSE;
3386 }
3387 static void
3388 resetKbdState( BYTE kstate[256]) {
3389 BYTE tmpState[256];
3390 WCHAR wc[2];
3391 memmove(tmpState, kstate, sizeof(kstate));
3392 tmpState[VK_SHIFT] = 0;
3393 tmpState[VK_CONTROL] = 0;
3394 tmpState[VK_MENU] = 0;
3395
3396 ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0, GetKeyboardLayout(0));
3397 }
3398
3399 // XXX in the update releases this is an addition to the unchanged existing code
3400 // After the call, a table will have a unicode associated with a windows virtual keycode
3401 // sans modifiers. With some further simplification, one can
3402 // derive java keycode from it, and anyway we will pass this unicode value
3403 // all the way up in a comment to a KeyEvent.
3404 void
3405 AwtComponent::BuildPrimaryDynamicTable() {
3406 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3407 // XXX: how about that?
3408 //CriticalSection::Lock l(GetLock());
3409 //if (GetPeer(env) == NULL) {
3410 // /* event received during termination. */
3411 // return;
3412 //}
3413
3414 HKL hkl = GetKeyboardLayout();
3415 UINT sc = 0;
3416 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3417 memset(kbdState, 0, sizeof (kbdState));
3418
3419 // Use JNI call to obtain java key code. We should keep a list
3420 // of currently available keycodes in a single place.
3421 static jclass extKeyCodesCls;
3422 if( extKeyCodesCls == NULL) {
3423 jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes");
3424 DASSERT(extKeyCodesClsLocal);
3425 CHECK_NULL(extKeyCodesClsLocal);
3426 extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal);
3427 env->DeleteLocalRef(extKeyCodesClsLocal);
3428 }
3429 static jmethodID getExtendedKeyCodeForChar;
3430 if (getExtendedKeyCodeForChar == NULL) {
3431 getExtendedKeyCodeForChar =
3432 env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I");
3433 DASSERT(getExtendedKeyCodeForChar);
3434 CHECK_NULL(getExtendedKeyCodeForChar);
3435 }
3436 jint extJKC; //extended Java key code
3437
3438 for (UINT i = 0; i < 256; i++) {
3439 dynPrimaryKeymap[i].wkey = i;
3440 dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED;
3441 dynPrimaryKeymap[i].unicode = 0;
3442
3443 if ((sc = MapVirtualKey (i, 0)) == 0) {
3444 dynPrimaryKeymap[i].scancode = 0;
3445 continue;
3446 }
3447 dynPrimaryKeymap[i].scancode = sc;
3448
3449 // XXX process cases like VK_SHIFT etc.
3450 kbdState[i] = 0x80; // "key pressed".
3451 WCHAR wc[16];
3452 int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl);
3453 if (k == 1) {
3454 // unicode
3455 dynPrimaryKeymap[i].unicode = wc[0];
3456 if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3457 // Convert unicode to java keycode.
3458 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000);
3459 //
3460 //XXX If this key in on the keypad, we should force a special value equal to
3461 //XXX an old java keycode: but how to say if it is a keypad key?
3462 //XXX We'll do it in WmKeyUp/Down.
3463 extJKC = env->CallStaticIntMethod(extKeyCodesCls,
3464 getExtendedKeyCodeForChar, (jint)(wc[0]));
3465 dynPrimaryKeymap[i].jkey = extJKC;
3466 }
3467 }else if (k == -1) {
3468 // dead key: use charToDeadVKTable
3469 dynPrimaryKeymap[i].unicode = wc[0];
3470 resetKbdState( kbdState );
3471 for (const CharToVKEntry *map = charToDeadVKTable; map->c != 0; ++map) {
3472 if (wc[0] == map->c) {
3473 dynPrimaryKeymap[i].jkey = map->javaKey;
3474 break;
3475 }
3476 }
3477 } else if (k == 0) {
3478 // reset
3479 resetKbdState( kbdState );
3480 }else {
3481 // k > 1: this key does generate multiple characters. Ignore it.
3482 // An example: Arabic Lam and Alef ligature.
3483 // There will be no extended keycode and thus shortcuts for this key.
3484 // XXX shouldn't we reset the kbd state?
3485 #ifdef DEBUG
3486 DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i);
3487 #endif
3488 }
3489 kbdState[i] = 0; // "key unpressed"
3490 }
3491 }
3492 void
3493 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers)
3494 {
3495 if( wkey && wkey < 256 ) {
3496 if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) {
3497 // At the creation time,
3498 // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /"
3499 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3500 }
3501 if(dynPrimaryKeymap[wkey].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3502 // E.g. it is non-unicode key
3503 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3504 }
3505 }
3506 }
3507
3508 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey)
3509 {
3510 static Hashtable transTable("VKEY translations");
3511 static Hashtable deadKeyFlagTable("Dead Key Flags");
3512 isDeadKey = FALSE;
3513
3514 // Try to translate using last saved translation
3515 if (ops == LOAD) {
3516 void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3517 void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3518 if (value != NULL) {
3519 isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag));
3520 return static_cast<UINT>(reinterpret_cast<INT_PTR>(value));
3521 }
3522 }
3523
3524 // If the windows key is a return, wkey will equal 13 ('\r')
3525 // In this case, we want to return 10 ('\n')
3526 // Since ToAscii would convert VK_RETURN to '\r', we need
3527 // to have a special case here.
3528 if (wkey == VK_RETURN)
3529 return '\n';
3530
3531 // high order bit in keyboardState indicates whether the key is down
3532 static const BYTE KEY_STATE_DOWN = 0x80;
3533 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
3534 AwtToolkit::GetKeyboardState(keyboardState);
3535
3536 // apply modifiers to keyboard state if necessary
3537 BOOL shiftIsDown = FALSE;
3538 if (modifiers) {
3539 shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3540 BOOL altIsDown = modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK;
3541 BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK;
3542
3543 // Windows treats AltGr as Ctrl+Alt
3544 if (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK) {
3545 altIsDown = TRUE;
3546 ctrlIsDown = TRUE;
3547 }
3548
3549 if (shiftIsDown) {
3550 keyboardState[VK_SHIFT] |= KEY_STATE_DOWN;
3551 }
3552
3553 // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715)
3554 // Here we try to resolve a conflict with ::ToAsciiEx's translating
3555 // ALT+number key combinations. kdm@sarc.spb.su
3556 // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail.
3557 if( IsNavigationKey(wkey) ) {
3558 keyboardState[VK_MENU] &= ~KEY_STATE_DOWN;
3559 }
3560
3561 if (ctrlIsDown)
3562 {
3563 if (altIsDown) {
3564 // bugid 4215009: don't mess with AltGr == Ctrl + Alt
3565 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3566 }
3567 else {
3568 // bugid 4098210: old event model doesn't have KEY_TYPED
3569 // events, so try to provide a meaningful character for
3570 // Ctrl+<key>. Take Ctrl into account only when we know
3571 // that Ctrl+<key> will be an ASCII control. Ignore by
3572 // default.
3573 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN;
3574
3575 // Letters have Ctrl+<letter> counterparts. According to
3576 // <winuser.h> VK_A through VK_Z are the same as ASCII
3577 // 'A' through 'Z'.
3578 if (wkey >= 'A' && wkey <= 'Z') {
3579 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3580 }
3581 else {
3582 // Non-letter controls 033 to 037 are:
3583 // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US)
3584
3585 // Shift state bits returned by ::VkKeyScan in HIBYTE
3586 static const UINT _VKS_SHIFT_MASK = 0x01;
3587 static const UINT _VKS_CTRL_MASK = 0x02;
3588 static const UINT _VKS_ALT_MASK = 0x04;
3589
3590 // Check to see whether there is a meaningful translation
3591 TCHAR ch;
3592 short vk;
3593 for (ch = _T('\033'); ch < _T('\040'); ch++) {
3594 vk = ::VkKeyScan(ch);
3595 if (wkey == LOBYTE(vk)) {
3596 UINT shiftState = HIBYTE(vk);
3597 if ((shiftState & _VKS_CTRL_MASK) ||
3598 (!(shiftState & _VKS_SHIFT_MASK)
3599 == !shiftIsDown))
3600 {
3601 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3602 }
3603 break;
3604 }
3605 }
3606 }
3607 } // ctrlIsDown && altIsDown
3608 } // ctrlIsDown
3609 } // modifiers
3610
3611 WORD wChar[2];
3612 int converted = 1;
3613 UINT ch = ::MapVirtualKeyEx(wkey, 2, GetKeyboardLayout());
3614 if (ch & 0x80000000) {
3615 // Dead key which is handled as a normal key
3616 isDeadKey = deadKeyActive = TRUE;
3617 } else if (deadKeyActive) {
3618 // We cannot use ::ToUnicodeEx if dead key is active because this will
3619 // break dead key function
3620 wChar[0] = shiftIsDown ? ch : tolower(ch);
3621 } else {
3622 UINT scancode = ::MapVirtualKey(wkey, 0);
3623 converted = ::ToUnicodeEx(wkey, scancode, keyboardState,
3624 wChar, 2, 0, GetKeyboardLayout());
3625 }
3626
3627 UINT translation;
3628 BOOL deadKeyFlag = (converted == 2);
3629
3630 // Dead Key
3631 if (converted < 0 || isDeadKey) {
3632 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3633 } else
3634 // No translation available -- try known conversions or else punt.
3635 if (converted == 0) {
3636 if (wkey == VK_DELETE) {
3637 translation = '\177';
3638 } else
3639 if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) {
3640 translation = '0' + wkey - VK_NUMPAD0;
3641 } else {
3642 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3643 }
3644 } else
3645 // the caller expects a Unicode character.
3646 if (converted > 0) {
3647 translation = wChar[0];
3648 }
3649 if (ops == SAVE) {
3650 transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3651 reinterpret_cast<void*>(static_cast<INT_PTR>(translation)));
3652 if (deadKeyFlag) {
3653 deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3654 reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag)));
3655 } else {
3656 deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3657 }
3658 }
3659
3660 isDeadKey = deadKeyFlag;
3661 return translation;
3662 }
3663
3664 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt,
3665 UINT flags, BOOL system)
3666 {
3667 // VK_PROCESSKEY is a special value which means
3668 // "Current IME wants to consume this KeyEvent"
3669 // Real key code is saved by IMM32.DLL and can be retrieved by
3670 // calling ImmGetVirtualKey();
3671 if (wkey == VK_PROCESSKEY) {
3672 return mrDoDefault;
3673 }
3674 MSG msg;
3675 InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN),
3676 wkey, MAKELPARAM(repCnt, flags));
3677
3678 UINT modifiers = GetJavaModifiers();
3679 jint keyLocation = GetKeyLocation(wkey, flags);
3680 BOOL isDeadKey = FALSE;
3681 UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey);
3682 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3683 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3684
3685
3686 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED,
3687 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3688 modifiers, keyLocation, (jlong)wkey, &msg);
3689
3690 // bugid 4724007: Windows does not create a WM_CHAR for the Del key
3691 // for some reason, so we need to create the KEY_TYPED event on the
3692 // WM_KEYDOWN. Use null msg so the character doesn't get sent back
3693 // to the native window for processing (this event is synthesized
3694 // for Java - we don't want Windows trying to process it).
3695 if (jkey == java_awt_event_KeyEvent_VK_DELETE) {
3696 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3697 ::JVM_CurrentTimeMillis(NULL, 0),
3698 java_awt_event_KeyEvent_VK_UNDEFINED,
3699 character, modifiers,
3700 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0);
3701 }
3702
3703 return mrConsume;
3704 }
3705
3706 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt,
3707 UINT flags, BOOL system)
3708 {
3709
3710 // VK_PROCESSKEY is a special value which means
3711 // "Current IME wants to consume this KeyEvent"
3712 // Real key code is saved by IMM32.DLL and can be retrieved by
3713 // calling ImmGetVirtualKey();
3714 if (wkey == VK_PROCESSKEY) {
3715 return mrDoDefault;
3716 }
3717 MSG msg;
3718 InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP),
3719 wkey, MAKELPARAM(repCnt, flags));
3720
3721 UINT modifiers = GetJavaModifiers();
3722 jint keyLocation = GetKeyLocation(wkey, flags);
3723 BOOL isDeadKey = FALSE;
3724 UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey);
3725 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3726 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3727
3728 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED,
3729 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3730 modifiers, keyLocation, (jlong)wkey, &msg);
3731 return mrConsume;
3732 }
3733
3734 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout)
3735 {
3736 // Normally we would be able to use charset and TranslateCharSetInfo
3737 // to get a code page that should be associated with this keyboard
3738 // layout change. However, there seems to be an NT 4.0 bug associated
3739 // with the WM_INPUTLANGCHANGE message, which makes the charset parameter
3740 // unreliable, especially on Asian systems. Our workaround uses the
3741 // keyboard layout handle instead.
3742 m_hkl = hKeyboardLayout;
3743 m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID
3744 m_CodePage = LangToCodePage(m_idLang);
3745 BuildDynamicKeyMapTable(); // compute new mappings for VK_OEM
3746 BuildPrimaryDynamicTable();
3747 return mrConsume; // do not propagate to children
3748 }
3749
3750 // Convert Language ID to CodePage
3751 UINT AwtComponent::LangToCodePage(LANGID idLang)
3752 {
3753 TCHAR strCodePage[MAX_ACP_STR_LEN];
3754 // use the LANGID to create a LCID
3755 LCID idLocale = MAKELCID(idLang, SORT_DEFAULT);
3756 // get the ANSI code page associated with this locale
3757 if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 )
3758 return _ttoi(strCodePage);
3759 else
3760 return GetACP();
3761 }
3762
3763
3764 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system)
3765 {
3766 // We will simply create Java events here.
3767 WCHAR unicodeChar = character;
3768 MSG msg;
3769 InitMessage(&msg, WM_IME_CHAR, character,
3770 MAKELPARAM(repCnt, flags));
3771
3772 jint modifiers = GetJavaModifiers();
3773 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3774 ::JVM_CurrentTimeMillis(NULL, 0),
3775 java_awt_event_KeyEvent_VK_UNDEFINED,
3776 unicodeChar, modifiers,
3777 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3778 &msg);
3779 return mrConsume;
3780 }
3781
3782 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags,
3783 BOOL system)
3784 {
3785 deadKeyActive = FALSE;
3786
3787 // Will only get WmChar messages with DBCS if we create them for
3788 // an Edit class in the WmForwardChar method. These synthesized
3789 // DBCS chars are ok to pass on directly to the default window
3790 // procedure. They've already been filtered through the Java key
3791 // event queue. We will never get the trail byte since the edit
3792 // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR,
3793 // PM_REMOVE). I would like to be able to pass this character off
3794 // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to
3795 // like that.
3796
3797 // We will simply create Java events here.
3798 UINT message = system ? WM_SYSCHAR : WM_CHAR;
3799
3800 // The Alt modifier is reported in the 29th bit of the lParam,
3801 // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)).
3802 bool alt_is_down = (flags & (1<<13)) != 0;
3803
3804 // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu
3805 // We should not pass this particular combination to Java.
3806
3807 if (system && alt_is_down) {
3808 if (character == VK_SPACE) {
3809 return mrDoDefault;
3810 }
3811 }
3812
3813 // If this is a WM_CHAR (non-system) message, then the Alt flag
3814 // indicates that the character was typed using an AltGr key
3815 // (which Windows treats as Ctrl+Alt), so in this case we do NOT
3816 // pass the Ctrl and Alt modifiers to Java, but instead we
3817 // replace them with Java's AltGraph modifier. Note: the AltGraph
3818 // modifier does not exist in 1.1.x releases.
3819 jint modifiers = GetJavaModifiers();
3820 if (!system && alt_is_down) {
3821 // character typed with AltGraph
3822 modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK
3823 | java_awt_event_InputEvent_CTRL_DOWN_MASK);
3824 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
3825 }
3826
3827 WCHAR unicodeChar = character;
3828
3829 // Kludge: Combine pending single byte with this char for some Chinese IMEs
3830 if (m_PendingLeadByte != 0) {
3831 character = (m_PendingLeadByte & 0x00ff) | (character << 8);
3832 m_PendingLeadByte = 0;
3833 ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2,
3834 &unicodeChar, 1);
3835 }
3836
3837 if (unicodeChar == VK_RETURN) {
3838 // Enter key generates \r in windows, but \n is required in java
3839 unicodeChar = java_awt_event_KeyEvent_VK_ENTER;
3840 }
3841 MSG msg;
3842 InitMessage(&msg, message, character,
3843 MAKELPARAM(repCnt, flags));
3844 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3845 ::JVM_CurrentTimeMillis(NULL, 0),
3846 java_awt_event_KeyEvent_VK_UNDEFINED,
3847 unicodeChar, modifiers,
3848 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3849 &msg);
3850 return mrConsume;
3851 }
3852
3853 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam,
3854 BOOL synthetic)
3855 {
3856 // just post WM_CHAR with unicode key value
3857 DefWindowProc(WM_CHAR, (WPARAM)character, lParam);
3858 return mrConsume;
3859 }
3860
3861 MsgRouting AwtComponent::WmPaste()
3862 {
3863 return mrDoDefault;
3864 }
3865
3866 // support IME Composition messages
3867 void AwtComponent::SetCompositionWindow(RECT& r)
3868 {
3869 HWND hwnd = ImmGetHWnd();
3870 HIMC hIMC = ImmGetContext(hwnd);
3871 if (hIMC == NULL) {
3872 return;
3873 }
3874 COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}};
3875 LOGFONT lf;
3876 HFONT hFont = (HFONT) GetStockObject(DEFAULT_GUI_FONT);
3877 if (GetObject(hFont, sizeof(lf), (LPVOID)&lf) == sizeof(lf)) {
3878 ImmSetCompositionFont(hIMC, &lf);
3879 }
3880 ImmSetCompositionWindow(hIMC, &cf);
3881 ImmReleaseContext(hwnd, hIMC);
3882 }
3883
3884 void AwtComponent::OpenCandidateWindow(int x, int y)
3885 {
3886 UINT bits = 1;
3887 POINT p = {0, 0}; // upper left corner of the client area
3888 HWND hWnd = ImmGetHWnd();
3889 if (!::IsWindowVisible(hWnd)) {
3890 return;
3891 }
3892 HWND hTop = GetTopLevelParentForWindow(hWnd);
3893 ::ClientToScreen(hTop, &p);
3894 int sx = ScaleUpX(x) - p.x;
3895 int sy = ScaleUpY(y) - p.y;
3896 if (!m_bitsCandType) {
3897 SetCandidateWindow(m_bitsCandType, sx, sy);
3898 return;
3899 }
3900 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) {
3901 if ( m_bitsCandType & bits )
3902 SetCandidateWindow(iCandType, sx, sy);
3903 }
3904 }
3905
3906 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3907 {
3908 HWND hwnd = ImmGetHWnd();
3909 HIMC hIMC = ImmGetContext(hwnd);
3910 if (hIMC) {
3911 CANDIDATEFORM cf;
3912 cf.dwStyle = CFS_POINT;
3913 ImmGetCandidateWindow(hIMC, 0, &cf);
3914 if (x != cf.ptCurrentPos.x || y != cf.ptCurrentPos.y) {
3915 cf.dwIndex = iCandType;
3916 cf.dwStyle = CFS_POINT;
3917 cf.ptCurrentPos = {x, y};
3918 cf.rcArea = {0, 0, 0, 0};
3919 ImmSetCandidateWindow(hIMC, &cf);
3920 }
3921 COMPOSITIONFORM cfr;
3922 cfr.dwStyle = CFS_POINT;
3923 ImmGetCompositionWindow(hIMC, &cfr);
3924 if (x != cfr.ptCurrentPos.x || y != cfr.ptCurrentPos.y) {
3925 cfr.dwStyle = CFS_POINT;
3926 cfr.ptCurrentPos = {x, y};
3927 cfr.rcArea = {0, 0, 0, 0};
3928 ImmSetCompositionWindow(hIMC, &cfr);
3929 }
3930 ImmReleaseContext(hwnd, hIMC);
3931 }
3932 }
3933
3934 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3935 {
3936 // If the Windows input context is disabled, do not let Windows
3937 // display any UIs.
3938 HWND hwnd = ImmGetHWnd();
3939 HIMC hIMC = ImmGetContext(hwnd);
3940 if (hIMC == NULL) {
3941 *lplParam = 0;
3942 return mrDoDefault;
3943 }
3944 ImmReleaseContext(hwnd, hIMC);
3945
3946 if (fSet) {
3947 LPARAM lParam = *lplParam;
3948 if (!m_useNativeCompWindow) {
3949 // stop to draw native composing window.
3950 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3951 }
3952 }
3953 return mrDoDefault;
3954 }
3955
3956 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3957 {
3958 if (!m_useNativeCompWindow) {
3959 if (subMsg == IMN_OPENCANDIDATE || subMsg == IMN_CHANGECANDIDATE) {
3960 m_bitsCandType = bitsCandType;
3961 InquireCandidatePosition();
3962 } else if (subMsg == IMN_OPENSTATUSWINDOW ||
3963 subMsg == WM_IME_STARTCOMPOSITION ||
3964 subMsg == IMN_SETCANDIDATEPOS) {
3965 InquireCandidatePosition();
3966 }
3967 }
3968 return mrDoDefault;
3969 }
3970
3971 MsgRouting AwtComponent::WmImeStartComposition()
3972 {
3973 if (m_useNativeCompWindow) {
3974 RECT rc;
3975 ::GetClientRect(GetHWnd(), &rc);
3976 SetCompositionWindow(rc);
3977 return mrDoDefault;
3978 } else
3979 return mrConsume;
3980 }
3981
3982 MsgRouting AwtComponent::WmImeEndComposition()
3983 {
3984 if (m_useNativeCompWindow) return mrDoDefault;
3985
3986 SendInputMethodEvent(
3987 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3988 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3989 return mrConsume;
3990 }
3991
3992 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3993 {
3994 if (m_useNativeCompWindow) return mrDoDefault;
3995
3996 int* bndClauseW = NULL;
3997 jstring* readingClauseW = NULL;
3998 int* bndAttrW = NULL;
3999 BYTE* valAttrW = NULL;
4000 int cClauseW = 0;
4001 AwtInputTextInfor* textInfor = NULL;
4002
4003 try {
4004 HWND hwnd = ImmGetHWnd();
4005 HIMC hIMC = ImmGetContext(hwnd);
4006 DASSERT(hIMC!=0);
4007
4008 textInfor = new AwtInputTextInfor;
4009 textInfor->GetContextData(hIMC, flags);
4010 ImmReleaseContext(hwnd, hIMC);
4011
4012 jstring jtextString = textInfor->GetText();
4013 /* The conditions to send the input method event to AWT EDT are:
4014 1. Whenever there is a composition message sent regarding whether
4015 the composition text is NULL or not. See details at bug 6222692.
4016 2. When there is a committed message sent, in which case, we have to
4017 check whether the committed string is NULL or not. If the committed string
4018 is NULL, there is no need to send any input method event.
4019 (Minor note: 'jtextString' returned is the merged string in the case of
4020 partial commit.)
4021 */
4022 if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
4023 (flags & GCS_COMPSTR)) {
4024 int cursorPosW = textInfor->GetCursorPosition();
4025 // In order not to delete the readingClauseW in the catch clause,
4026 // calling GetAttributeInfor before GetClauseInfor.
4027 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
4028 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
4029
4030 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
4031 the event to AWT EDT.
4032
4033 The last two paremeters are set to equal since we don't have recommendations for
4034 the visible position within the current composed text. See details at
4035 java.awt.event.InputMethodEvent.
4036 */
4037 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
4038 jtextString,
4039 cClauseW, bndClauseW, readingClauseW,
4040 cAttrW, bndAttrW, valAttrW,
4041 textInfor->GetCommittedTextLength(),
4042 cursorPosW, cursorPosW);
4043 }
4044 } catch (...) {
4045 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
4046 // the pointer here.
4047 delete [] bndClauseW;
4048 delete [] readingClauseW;
4049 delete [] bndAttrW;
4050 delete [] valAttrW;
4051 throw;
4052 }
4053
4054 /* Free the storage allocated. Since jtextString won't be passed from threads
4055 * to threads, we just use the local ref and it will be deleted within the destructor
4056 * of AwtInputTextInfor object.
4057 */
4058 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4059 if (cClauseW && readingClauseW) {
4060 for (int i = 0; i < cClauseW; i ++) {
4061 if (readingClauseW[i]) {
4062 env->DeleteLocalRef(readingClauseW[i]);
4063 }
4064 }
4065 }
4066 delete [] bndClauseW;
4067 delete [] readingClauseW;
4068 delete [] bndAttrW;
4069 delete [] valAttrW;
4070 delete textInfor;
4071
4072 return mrConsume;
4073 }
4074
4075 //
4076 // generate and post InputMethodEvent
4077 //
4078 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
4079 int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
4080 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
4081 int commitedTextLength, int caretPos, int visiblePos)
4082 {
4083 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4084
4085 // assumption for array type casting
4086 DASSERT(sizeof(int)==sizeof(jint));
4087 DASSERT(sizeof(BYTE)==sizeof(jbyte));
4088
4089 // caluse information
4090 jintArray clauseBoundary = NULL;
4091 jobjectArray clauseReading = NULL;
4092 if (cClause && rgClauseBoundary && rgClauseReading) {
4093 // convert clause boundary offset array to java array
4094 clauseBoundary = env->NewIntArray(cClause+1);
4095 DASSERT(clauseBoundary);
4096 CHECK_NULL(clauseBoundary);
4097 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
4098 DASSERT(!safe_ExceptionOccurred(env));
4099
4100 // convert clause reading string array to java array
4101 jclass stringCls = JNU_ClassString(env);
4102 DASSERT(stringCls);
4103 CHECK_NULL(stringCls);
4104 clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
4105 DASSERT(clauseReading);
4106 CHECK_NULL(clauseReading);
4107 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
4108 DASSERT(!safe_ExceptionOccurred(env));
4109 }
4110
4111
4112 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
4113 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
4114 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
4115 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
4116 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
4117 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
4118
4119 // attribute information
4120 jintArray attrBoundary = NULL;
4121 jbyteArray attrValue = NULL;
4122 if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
4123 // convert attribute boundary offset array to java array
4124 attrBoundary = env->NewIntArray(cAttrBlock+1);
4125 DASSERT(attrBoundary);
4126 CHECK_NULL(attrBoundary);
4127 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
4128 DASSERT(!safe_ExceptionOccurred(env));
4129
4130 // convert attribute value byte array to java array
4131 attrValue = env->NewByteArray(cAttrBlock);
4132 DASSERT(attrValue);
4133 CHECK_NULL(attrValue);
4134 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
4135 DASSERT(!safe_ExceptionOccurred(env));
4136 }
4137
4138
4139 // get global reference of WInputMethod class (run only once)
4140 static jclass wInputMethodCls = NULL;
4141 if (wInputMethodCls == NULL) {
4142 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4143 DASSERT(wInputMethodClsLocal);
4144 CHECK_NULL(wInputMethodClsLocal);
4145 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4146 env->DeleteLocalRef(wInputMethodClsLocal);
4147 }
4148
4149 // get method ID of sendInputMethodEvent() (run only once)
4150 static jmethodID sendIMEventMid = 0;
4151 if (sendIMEventMid == 0) {
4152 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
4153 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
4154 DASSERT(sendIMEventMid);
4155 CHECK_NULL(sendIMEventMid);
4156 }
4157
4158 // call m_InputMethod.sendInputMethod()
4159 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0),
4160 text, clauseBoundary, clauseReading, attrBoundary,
4161 attrValue, commitedTextLength, caretPos, visiblePos);
4162 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4163 DASSERT(!safe_ExceptionOccurred(env));
4164
4165 }
4166
4167
4168
4169 //
4170 // Inquires candidate position according to the composed text
4171 //
4172 void AwtComponent::InquireCandidatePosition()
4173 {
4174 if (!::IsWindowVisible(GetHWnd())) {
4175 return;
4176 }
4177 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4178
4179 // get global reference of WInputMethod class (run only once)
4180 static jclass wInputMethodCls = NULL;
4181 if (wInputMethodCls == NULL) {
4182 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4183 DASSERT(wInputMethodClsLocal);
4184 CHECK_NULL(wInputMethodClsLocal);
4185 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4186 env->DeleteLocalRef(wInputMethodClsLocal);
4187 }
4188
4189 // get method ID of sendInputMethodEvent() (run only once)
4190 static jmethodID inqCandPosMid = 0;
4191 if (inqCandPosMid == 0) {
4192 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4193 DASSERT(!safe_ExceptionOccurred(env));
4194 DASSERT(inqCandPosMid);
4195 CHECK_NULL(inqCandPosMid);
4196 }
4197
4198 // call m_InputMethod.sendInputMethod()
4199 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4200 DASSERT(!safe_ExceptionOccurred(env));
4201 }
4202
4203 HWND AwtComponent::ImmGetHWnd()
4204 {
4205 HWND proxy = GetProxyFocusOwner();
4206 return (proxy != NULL) ? proxy : GetHWnd();
4207 }
4208
4209 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4210 {
4211 return ::ImmAssociateContext(ImmGetHWnd(), himc);
4212 }
4213
4214 HWND AwtComponent::GetProxyFocusOwner()
4215 {
4216 AwtWindow *window = GetContainer();
4217 if (window != 0) {
4218 AwtFrame *owner = window->GetOwningFrameOrDialog();
4219 if (owner != 0) {
4220 return owner->GetProxyFocusOwner();
4221 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4222 return ((AwtFrame*)window)->GetProxyFocusOwner();
4223 }
4224 }
4225 return (HWND)NULL;
4226 }
4227
4228 /* Redirects message to the focus proxy, if any */
4229 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4230 LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4231 {
4232 if (mr != mrConsume) {
4233 HWND proxy = GetProxyFocusOwner();
4234 if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4235 retVal = ::DefWindowProc(proxy, message, wParam, lParam);
4236 mr = mrConsume;
4237 }
4238 }
4239 }
4240
4241 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4242 {
4243 /* Menu/Accelerator */
4244 if (hWndChild == 0) {
4245 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4246 if (obj == NULL) {
4247 return mrConsume;
4248 }
4249 DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4250 obj->DoCommand();
4251 return mrConsume;
4252 }
4253 /* Child id notification */
4254 else {
4255 AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4256 if (child) {
4257 child->WmNotify(notifyCode);
4258 }
4259 }
4260 return mrDoDefault;
4261 }
4262
4263 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4264 {
4265 return mrDoDefault;
4266 }
4267
4268 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4269 COMPAREITEMSTRUCT &compareInfo,
4270 LRESULT &result)
4271 {
4272 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4273 if (child == this) {
4274 /* DoCallback("handleItemDelete", */
4275 }
4276 else if (child) {
4277 return child->WmCompareItem(ctrlId, compareInfo, result);
4278 }
4279 return mrConsume;
4280 }
4281
4282 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4283 DELETEITEMSTRUCT &deleteInfo)
4284 {
4285 /*
4286 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4287 * window, a WM_DELETEITEM message is sent to its parent with a window
4288 * handle of one of the list's child windows. The property lookup
4289 * succeeds, but the HWNDs don't match.
4290 */
4291 if (deleteInfo.hwndItem == NULL) {
4292 return mrConsume;
4293 }
4294 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4295
4296 if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4297 return mrConsume;
4298 }
4299
4300 if (child == this) {
4301 /*DoCallback("handleItemDelete", */
4302 }
4303 else if (child) {
4304 return child->WmDeleteItem(ctrlId, deleteInfo);
4305 }
4306 return mrConsume;
4307 }
4308
4309 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4310 {
4311 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4312
4313 if (drawInfo.CtlType == ODT_MENU) {
4314 if (IsMenu((HMENU)drawInfo.hwndItem) && drawInfo.itemData != 0) {
4315 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4316 menu->DrawItem(drawInfo);
4317 }
4318 } else {
4319 return OwnerDrawItem(ctrlId, drawInfo);
4320 }
4321 return mrConsume;
4322 }
4323
4324 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4325 MEASUREITEMSTRUCT &measureInfo)
4326 {
4327 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4328
4329 if (measureInfo.CtlType == ODT_MENU) {
4330 if (measureInfo.itemData != 0) {
4331 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4332 HDC hDC = ::GetDC(GetHWnd());
4333 /* menu->MeasureItem(env, hDC, measureInfo); */
4334 menu->MeasureItem(hDC, measureInfo);
4335 ::ReleaseDC(GetHWnd(), hDC);
4336 }
4337 } else {
4338 return OwnerMeasureItem(ctrlId, measureInfo);
4339 }
4340 return mrConsume;
4341 }
4342
4343 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4344 DRAWITEMSTRUCT &drawInfo)
4345 {
4346 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4347 if (child == this) {
4348 /* DoCallback("handleItemDelete", */
4349 } else if (child != NULL) {
4350 return child->WmDrawItem(ctrlId, drawInfo);
4351 }
4352 return mrConsume;
4353 }
4354
4355 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4356 MEASUREITEMSTRUCT &measureInfo)
4357 {
4358 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4359 AwtComponent* child = AwtComponent::GetComponent(hChild);
4360 /*
4361 * If the parent cannot find the child's instance from its handle,
4362 * maybe the child is in its creation. So the child must be searched
4363 * from the list linked before the child's creation.
4364 */
4365 if (child == NULL) {
4366 child = SearchChild((UINT)ctrlId);
4367 }
4368
4369 if (child == this) {
4370 /* DoCallback("handleItemDelete", */
4371 }
4372 else if (child) {
4373 return child->WmMeasureItem(ctrlId, measureInfo);
4374 }
4375 return mrConsume;
4376 }
4377
4378 /* for WmDrawItem method of Label, Button and Checkbox */
4379 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4380 int x, int y)
4381 {
4382 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4383 DASSERT(nOldBkMode != 0);
4384 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4385 VERIFY(::SetBkMode(hDC,nOldBkMode));
4386 }
4387
4388 /*
4389 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4390 * component is disabled. Used only for label, checkbox and button in
4391 * OWNER_DRAW. It draws the text in emboss.
4392 */
4393 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4394 int x, int y)
4395 {
4396 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4397 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4398 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4399 AwtComponent::DrawWindowText(hDC, font, text, x, y);
4400 }
4401
4402 /* for WmMeasureItem method of List and Choice */
4403 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4404 {
4405 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4406 "(I)Ljava/lang/String;",
4407 index).l;
4408 DASSERT(!safe_ExceptionOccurred(env));
4409 return str;
4410 }
4411
4412 /* for WmMeasureItem method of List and Choice */
4413 void AwtComponent::MeasureListItem(JNIEnv *env,
4414 MEASUREITEMSTRUCT &measureInfo)
4415 {
4416 if (env->EnsureLocalCapacity(1) < 0) {
4417 return;
4418 }
4419 jobject dimension = PreferredItemSize(env);
4420 DASSERT(dimension);
4421 measureInfo.itemWidth =
4422 env->GetIntField(dimension, AwtDimension::widthID);
4423 measureInfo.itemHeight =
4424 env->GetIntField(dimension, AwtDimension::heightID);
4425 env->DeleteLocalRef(dimension);
4426 }
4427
4428 /* for WmDrawItem method of List and Choice */
4429 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4430 {
4431 if (env->EnsureLocalCapacity(3) < 0) {
4432 return;
4433 }
4434 jobject peer = GetPeer(env);
4435 jobject target = env->GetObjectField(peer, AwtObject::targetID);
4436
4437 HDC hDC = drawInfo.hDC;
4438 RECT rect = drawInfo.rcItem;
4439
4440 BOOL bEnabled = isEnabled();
4441 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4442 DWORD crBack, crText;
4443 if (drawInfo.itemState & ODS_SELECTED){
4444 /* Set background and text colors for selected item */
4445 crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4446 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4447 } else {
4448 /* Set background and text colors for unselected item */
4449 crBack = GetBackgroundColor();
4450 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4451 }
4452 if (unfocusableChoice) {
4453 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4454 crBack = GetBackgroundColor();
4455 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4456 }
4457
4458 /* Fill item rectangle with background color */
4459 HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4460 DASSERT(hbrBack);
4461 /* 6190728. Shouldn't draw any kind of rectangle around selection field
4462 * (edit control) of an owner-drawn combo box while unfocusable
4463 */
4464 if (!unfocusableChoice){
4465 VERIFY(::FillRect (hDC, &rect, hbrBack));
4466 }
4467 VERIFY(::DeleteObject (hbrBack));
4468
4469 /* Set current background and text colors */
4470 ::SetBkColor (hDC, crBack);
4471 ::SetTextColor (hDC, crText);
4472
4473 /*draw string (with left margin of 1 point) */
4474 if ((int) (drawInfo.itemID) >= 0) {
4475 jobject font = GET_FONT(target, peer);
4476 jstring text = GetItemString(env, target, drawInfo.itemID);
4477 if (env->ExceptionCheck()) {
4478 env->DeleteLocalRef(font);
4479 env->DeleteLocalRef(target);
4480 return;
4481 }
4482 SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4483 AwtFont::drawMFString(hDC, font, text,
4484 (GetRTL()) ? rect.right - size.cx - 1
4485 : rect.left + 1,
4486 (rect.top + rect.bottom - size.cy) / 2,
4487 GetCodePage());
4488 env->DeleteLocalRef(font);
4489 env->DeleteLocalRef(text);
4490 }
4491 if ((drawInfo.itemState & ODS_FOCUS) &&
4492 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4493 if (!unfocusableChoice){
4494 if(::DrawFocusRect(hDC, &rect) == 0)
4495 VERIFY(::GetLastError() == 0);
4496 }
4497 }
4498 env->DeleteLocalRef(target);
4499 }
4500
4501 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4502 jint AwtComponent::GetFontHeight(JNIEnv *env)
4503 {
4504 if (env->EnsureLocalCapacity(4) < 0) {
4505 return NULL;
4506 }
4507 jobject self = GetPeer(env);
4508 jobject target = env->GetObjectField(self, AwtObject::targetID);
4509
4510 jobject font = GET_FONT(target, self);
4511 jobject toolkit = env->CallObjectMethod(target,
4512 AwtComponent::getToolkitMID);
4513
4514 DASSERT(!safe_ExceptionOccurred(env));
4515
4516 jobject fontMetrics =
4517 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4518
4519 DASSERT(!safe_ExceptionOccurred(env));
4520
4521 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4522 DASSERT(!safe_ExceptionOccurred(env));
4523
4524 env->DeleteLocalRef(target);
4525 env->DeleteLocalRef(font);
4526 env->DeleteLocalRef(toolkit);
4527 env->DeleteLocalRef(fontMetrics);
4528
4529 return height;
4530 }
4531
4532 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4533 // stack to be restored in WmPrintClient. Windows mangles the DC in
4534 // ::DefWindowProc.
4535 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4536 {
4537 /*
4538 * DefWindowProc for WM_PRINT changes DC parameters, so we have
4539 * to restore it ourselves. Otherwise it will cause problems
4540 * when several components are printed to the same DC.
4541 */
4542 int nOriginalDC = ::SaveDC(hDC);
4543 DASSERT(nOriginalDC != 0);
4544
4545 if (flags & PRF_NONCLIENT) {
4546
4547 VERIFY(::SaveDC(hDC));
4548
4549 DefWindowProc(WM_PRINT, (WPARAM)hDC,
4550 (flags & (PRF_NONCLIENT
4551 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4552
4553 VERIFY(::RestoreDC(hDC, -1));
4554
4555 // Special case for components with a sunken border. Windows does not
4556 // print the border correctly on PCL printers, so we have to do it ourselves.
4557 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4558 RECT r;
4559 VERIFY(::GetWindowRect(GetHWnd(), &r));
4560 VERIFY(::OffsetRect(&r, -r.left, -r.top));
4561 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4562 }
4563 }
4564
4565 if (flags & PRF_CLIENT) {
4566
4567 /*
4568 * Special case for components with a sunken border.
4569 * Windows prints a client area without offset to a border width.
4570 * We will first print the non-client area with the original offset,
4571 * then the client area with a corrected offset.
4572 */
4573 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4574
4575 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4576 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4577
4578 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4579
4580 // Save a copy of the DC for WmPrintClient
4581 VERIFY(::SaveDC(hDC));
4582
4583 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4584 (flags & (PRF_CLIENT
4585 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4586
4587 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4588
4589 } else {
4590
4591 // Save a copy of the DC for WmPrintClient
4592 VERIFY(::SaveDC(hDC));
4593 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4594 (flags & (PRF_CLIENT
4595 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4596 }
4597 }
4598
4599 if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4600 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4601 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4602 }
4603
4604 VERIFY(::RestoreDC(hDC, nOriginalDC));
4605
4606 return mrConsume;
4607 }
4608
4609 // If you override WmPrintClient, make sure to obtain a valid copy of
4610 // the DC from the GDI stack. The copy of the DC should have been placed
4611 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4612 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4613 {
4614 // obtain valid DC from GDI stack
4615 ::RestoreDC(hDC, -1);
4616
4617 return mrDoDefault;
4618 }
4619
4620 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4621 LPNCCALCSIZE_PARAMS lpncsp,
4622 LRESULT &retVal)
4623 {
4624 return mrDoDefault;
4625 }
4626
4627 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4628 {
4629 return mrDoDefault;
4630 }
4631
4632 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4633 {
4634 return mrDoDefault;
4635 }
4636
4637 /**
4638 * WmQueryNewPalette is called whenever our component is coming to
4639 * the foreground; this gives us an opportunity to install our
4640 * custom palette. If this install actually changes entries in
4641 * the system palette, then we get a further call to WmPaletteChanged
4642 * (but note that we only need to realize our palette once).
4643 */
4644 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4645 {
4646 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4647 m_QueryNewPaletteCalled = TRUE;
4648 HDC hDC = ::GetDC(GetHWnd());
4649 DASSERT(hDC);
4650 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4651 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4652 ::ReleaseDC(GetHWnd(), hDC);
4653 // We must realize the palettes of all of our DC's
4654 // There is sometimes a problem where the realization of
4655 // our temporary hDC here does not actually do what
4656 // we want. Not clear why, but presumably fallout from
4657 // our use of several simultaneous hDC's.
4658 activeDCList.RealizePalettes(screen);
4659 // Do not invalidate here; if the palette
4660 // has not changed we will get an extra repaint
4661 retVal = TRUE;
4662
4663 return mrDoDefault;
4664 }
4665
4666 /**
4667 * We should not need to track this event since we handle our
4668 * palette management effectively in the WmQueryNewPalette and
4669 * WmPaletteChanged methods. However, there seems to be a bug
4670 * on some win32 systems (e.g., NT4) whereby the palette
4671 * immediately after a displayChange is not yet updated to its
4672 * final post-display-change values (hence we adjust our palette
4673 * using the wrong system palette entries), then the palette is
4674 * updated, but a WM_PALETTECHANGED message is never sent.
4675 * By tracking the ISCHANGING message as well (and by tracking
4676 * displayChange events in the AwtToolkit object), we can account
4677 * for this error by forcing our WmPaletteChanged method to be
4678 * called and thereby realizing our logical palette and updating
4679 * our dynamic colorModel object.
4680 */
4681 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4682 {
4683 if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4684 WmPaletteChanged(hwndPalChg);
4685 AwtToolkit::GetInstance().ResetDisplayChanged();
4686 }
4687 return mrDoDefault;
4688 }
4689
4690 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4691 {
4692 // We need to re-realize our palette here (unless we're the one
4693 // that was realizing it in the first place). That will let us match the
4694 // remaining colors in the system palette as best we can. We always
4695 // invalidate because the palette will have changed when we receive this
4696 // message.
4697
4698 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4699 if (hwndPalChg != GetHWnd()) {
4700 HDC hDC = ::GetDC(GetHWnd());
4701 DASSERT(hDC);
4702 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4703 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4704 ::ReleaseDC(GetHWnd(), hDC);
4705 // We must realize the palettes of all of our DC's
4706 activeDCList.RealizePalettes(screen);
4707 }
4708 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4709 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4710 }
4711 Invalidate(NULL);
4712 return mrDoDefault;
4713 }
4714
4715 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4716 {
4717 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4718 return mrDoDefault;
4719 }
4720
4721 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4722 {
4723 DASSERT(!IsBadStringPtr(pszSection, 20));
4724 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4725 return mrDoDefault;
4726 }
4727
4728 HDC AwtComponent::GetDCFromComponent()
4729 {
4730 GetDCReturnStruct *hdcStruct =
4731 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4732 HDC hdc;
4733 if (hdcStruct) {
4734 if (hdcStruct->gdiLimitReached) {
4735 if (jvm != NULL) {
4736 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4737 if (env != NULL && !safe_ExceptionOccurred(env)) {
4738 JNU_ThrowByName(env, "java/awt/AWTError",
4739 "HDC creation failure - " \
4740 "exceeded maximum GDI resources");
4741 }
4742 }
4743 }
4744 hdc = hdcStruct->hDC;
4745 delete hdcStruct;
4746 } else {
4747 hdc = NULL;
4748 }
4749 return hdc;
4750 }
4751
4752 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4753 {
4754 RECT eraseR = { 0, 0, size.cx, size.cy };
4755 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4756 }
4757
4758 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4759 {
4760 if (!bitmapBits) {
4761 return;
4762 }
4763
4764 DWORD* dest = (DWORD*)bitmapBits;
4765 //XXX: might be optimized to use one loop (cy*cx -> 0)
4766 for (int i = 0; i < size.cy; i++ ) {
4767 for (int j = 0; j < size.cx; j++ ) {
4768 ((BYTE*)(dest++))[3] = alpha;
4769 }
4770 }
4771 }
4772
4773 int AwtComponent::ScaleUpX(int x) {
4774 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4775 Devices::InstanceAccess devices;
4776 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4777 return device == NULL ? x : device->ScaleUpX(x);
4778 }
4779
4780 int AwtComponent::ScaleUpY(int y) {
4781 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4782 Devices::InstanceAccess devices;
4783 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4784 return device == NULL ? y : device->ScaleUpY(y);
4785 }
4786
4787 int AwtComponent::ScaleDownX(int x) {
4788 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4789 Devices::InstanceAccess devices;
4790 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4791 return device == NULL ? x : device->ScaleDownX(x);
4792 }
4793
4794 int AwtComponent::ScaleDownY(int y) {
4795 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4796 Devices::InstanceAccess devices;
4797 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4798 return device == NULL ? y : device->ScaleDownY(y);
4799 }
4800
4801 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4802 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4803
4804 if (!::IsWindowVisible(GetHWnd())) {
4805 return NULL;
4806 }
4807
4808 HDC hdc = GetDCFromComponent();
4809 if (!hdc) {
4810 return NULL;
4811 }
4812 HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4813 void *bitmapBits = NULL;
4814 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4815 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4816 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4817
4818 FillBackground(hMemoryDC, size);
4819
4820 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4821
4822 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4823 // above.
4824 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4825
4826 // First make sure the system completed any drawing to the bitmap.
4827 ::GdiFlush();
4828
4829 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4830 // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4831 // the pixels will be considered transparent when interpreting the data.
4832 FillAlpha(bitmapBits, size, alpha);
4833
4834 ::SelectObject(hMemoryDC, hOldBitmap);
4835
4836 BITMAPINFO bmi;
4837 memset(&bmi, 0, sizeof(BITMAPINFO));
4838 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4839 bmi.bmiHeader.biWidth = size.cx;
4840 bmi.bmiHeader.biHeight = -size.cy;
4841 bmi.bmiHeader.biPlanes = 1;
4842 bmi.bmiHeader.biBitCount = 32;
4843 bmi.bmiHeader.biCompression = BI_RGB;
4844
4845 jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4846 jintArray pixelArray = NULL;
4847 if (localPixelArray != NULL) {
4848 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4849 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4850
4851 jboolean isCopy;
4852 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4853
4854 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4855 DIB_RGB_COLORS);
4856
4857 env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4858 }
4859
4860 VERIFY(::DeleteObject(hBitmap));
4861 VERIFY(::DeleteDC(hMemoryDC));
4862
4863 return pixelArray;
4864 }
4865
4866 void* AwtComponent::SetNativeFocusOwner(void *self) {
4867 if (self == NULL) {
4868 // It means that the KFM wants to set focus to null
4869 sm_focusOwner = NULL;
4870 return NULL;
4871 }
4872
4873 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4874
4875 AwtComponent *c = NULL;
4876 jobject peer = (jobject)self;
4877
4878 PDATA pData;
4879 JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4880 pData = JNI_GET_PDATA(peer);
4881 if (pData == NULL) {
4882 goto ret;
4883 }
4884 c = (AwtComponent *)pData;
4885
4886 ret:
4887 if (c && ::IsWindow(c->GetHWnd())) {
4888 sm_focusOwner = c->GetHWnd();
4889 } else {
4890 sm_focusOwner = NULL;
4891 }
4892 env->DeleteGlobalRef(peer);
4893 return NULL;
4894 }
4895
4896 void* AwtComponent::GetNativeFocusedWindow() {
4897 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4898 AwtComponent *comp =
4899 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4900 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4901 }
4902
4903 void* AwtComponent::GetNativeFocusOwner() {
4904 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4905 AwtComponent *comp =
4906 AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4907 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4908 }
4909
4910 AwtComponent* AwtComponent::SearchChild(UINT id) {
4911 ChildListItem* child;
4912 for (child = m_childList; child != NULL;child = child->m_next) {
4913 if (child->m_ID == id)
4914 return child->m_Component;
4915 }
4916 /*
4917 * DASSERT(FALSE);
4918 * This should not be happend if all children are recorded
4919 */
4920 return NULL; /* make compiler happy */
4921 }
4922
4923 void AwtComponent::RemoveChild(UINT id) {
4924 ChildListItem* child = m_childList;
4925 ChildListItem* lastChild = NULL;
4926 while (child != NULL) {
4927 if (child->m_ID == id) {
4928 if (lastChild == NULL) {
4929 m_childList = child->m_next;
4930 } else {
4931 lastChild->m_next = child->m_next;
4932 }
4933 child->m_next = NULL;
4934 DASSERT(child != NULL);
4935 delete child;
4936 return;
4937 }
4938 lastChild = child;
4939 child = child->m_next;
4940 }
4941 }
4942
4943 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4944 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4945 {
4946 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4947 CriticalSection::Lock l(GetLock());
4948 if (GetPeer(env) == NULL) {
4949 /* event received during termination. */
4950 return;
4951 }
4952
4953 static jclass keyEventCls;
4954 if (keyEventCls == NULL) {
4955 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4956 DASSERT(keyEventClsLocal);
4957 if (keyEventClsLocal == NULL) {
4958 /* exception already thrown */
4959 return;
4960 }
4961 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4962 env->DeleteLocalRef(keyEventClsLocal);
4963 }
4964
4965 static jmethodID keyEventConst;
4966 if (keyEventConst == NULL) {
4967 keyEventConst = env->GetMethodID(keyEventCls, "<init>",
4968 "(Ljava/awt/Component;IJIICI)V");
4969 DASSERT(keyEventConst);
4970 CHECK_NULL(keyEventConst);
4971 }
4972 if (env->EnsureLocalCapacity(2) < 0) {
4973 return;
4974 }
4975 jobject target = GetTarget(env);
4976 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4977 id, when, modifiers, raw, cooked,
4978 keyLocation);
4979 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4980 DASSERT(!safe_ExceptionOccurred(env));
4981 DASSERT(keyEvent != NULL);
4982 if (keyEvent == NULL) {
4983 env->DeleteLocalRef(target);
4984 return;
4985 }
4986 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4987 if( nativeCode && nativeCode < 256 ) {
4988 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4989 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4990 if( nativeCode < 255 ) {
4991 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4992 }else if( pMsg != NULL ) {
4993 // unknown key with virtual keycode 0xFF.
4994 // Its scancode is not in the table, pickup it from the message.
4995 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4996 }
4997 }
4998 if (pMsg != NULL) {
4999 AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
5000 }
5001 SendEvent(keyEvent);
5002
5003 env->DeleteLocalRef(keyEvent);
5004 env->DeleteLocalRef(target);
5005 }
5006
5007 void
5008 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
5009 jint raw, jint cooked,
5010 jint modifiers, jint keyLocation,
5011 jlong nativeCode,
5012 MSG *msg)
5013 {
5014 /*
5015 * if focus owner is null, but focused window isn't
5016 * we will send key event to focused window
5017 */
5018 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
5019
5020 if (hwndTarget == GetHWnd()) {
5021 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
5022 } else {
5023 AwtComponent *target = NULL;
5024 if (hwndTarget != NULL) {
5025 target = AwtComponent::GetComponent(hwndTarget);
5026 if (target == NULL) {
5027 target = this;
5028 }
5029 }
5030 if (target != NULL) {
5031 target->SendKeyEvent(id, when, raw, cooked, modifiers,
5032 keyLocation, nativeCode, msg);
5033 }
5034 }
5035 }
5036
5037 void AwtComponent::SetDragCapture(UINT flags)
5038 {
5039 // don't want to interfere with other controls
5040 if (::GetCapture() == NULL) {
5041 ::SetCapture(GetHWnd());
5042 }
5043 }
5044
5045 void AwtComponent::ReleaseDragCapture(UINT flags)
5046 {
5047 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
5048 // user has released all buttons, so release the capture
5049 ::ReleaseCapture();
5050 }
5051 }
5052
5053 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
5054 jint modifiers, jint clickCount,
5055 jboolean popupTrigger, jint button,
5056 MSG *pMsg, BOOL causedByTouchEvent)
5057 {
5058 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5059 CriticalSection::Lock l(GetLock());
5060 if (GetPeer(env) == NULL) {
5061 /* event received during termination. */
5062 return;
5063 }
5064
5065 static jclass mouseEventCls;
5066 if (mouseEventCls == NULL) {
5067 jclass mouseEventClsLocal =
5068 env->FindClass("java/awt/event/MouseEvent");
5069 CHECK_NULL(mouseEventClsLocal);
5070 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
5071 env->DeleteLocalRef(mouseEventClsLocal);
5072 }
5073 RECT insets;
5074 GetInsets(&insets);
5075
5076 static jmethodID mouseEventConst;
5077 if (mouseEventConst == NULL) {
5078 mouseEventConst =
5079 env->GetMethodID(mouseEventCls, "<init>",
5080 "(Ljava/awt/Component;IJIIIIIIZI)V");
5081 DASSERT(mouseEventConst);
5082 CHECK_NULL(mouseEventConst);
5083 }
5084 if (env->EnsureLocalCapacity(2) < 0) {
5085 return;
5086 }
5087 jobject target = GetTarget(env);
5088 DWORD curMousePos = ::GetMessagePos();
5089 int xAbs = GET_X_LPARAM(curMousePos);
5090 int yAbs = GET_Y_LPARAM(curMousePos);
5091 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
5092 target,
5093 id, when, modifiers,
5094 ScaleDownX(x + insets.left),
5095 ScaleDownY(y + insets.top),
5096 ScaleDownX(xAbs), ScaleDownY(yAbs),
5097 clickCount, popupTrigger, button);
5098
5099 if (safe_ExceptionOccurred(env)) {
5100 env->ExceptionDescribe();
5101 env->ExceptionClear();
5102 }
5103
5104 DASSERT(mouseEvent != NULL);
5105 CHECK_NULL(mouseEvent);
5106 if (causedByTouchEvent) {
5107 env->SetBooleanField(mouseEvent, AwtMouseEvent::causedByTouchEventID,
5108 JNI_TRUE);
5109 }
5110 if (pMsg != 0) {
5111 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
5112 }
5113 SendEvent(mouseEvent);
5114
5115 env->DeleteLocalRef(mouseEvent);
5116 env->DeleteLocalRef(target);
5117 }
5118
5119 void
5120 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
5121 jint modifiers, jint clickCount,
5122 jboolean popupTrigger, jint scrollType,
5123 jint scrollAmount, jint roundedWheelRotation,
5124 jdouble preciseWheelRotation, MSG *pMsg)
5125 {
5126 /* Code based not so loosely on AwtComponent::SendMouseEvent */
5127 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5128 CriticalSection::Lock l(GetLock());
5129 if (GetPeer(env) == NULL) {
5130 /* event received during termination. */
5131 return;
5132 }
5133
5134 static jclass mouseWheelEventCls;
5135 if (mouseWheelEventCls == NULL) {
5136 jclass mouseWheelEventClsLocal =
5137 env->FindClass("java/awt/event/MouseWheelEvent");
5138 CHECK_NULL(mouseWheelEventClsLocal);
5139 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
5140 env->DeleteLocalRef(mouseWheelEventClsLocal);
5141 }
5142 RECT insets;
5143 GetInsets(&insets);
5144
5145 static jmethodID mouseWheelEventConst;
5146 if (mouseWheelEventConst == NULL) {
5147 mouseWheelEventConst =
5148 env->GetMethodID(mouseWheelEventCls, "<init>",
5149 "(Ljava/awt/Component;IJIIIIIIZIIID)V");
5150 DASSERT(mouseWheelEventConst);
5151 CHECK_NULL(mouseWheelEventConst);
5152 }
5153 if (env->EnsureLocalCapacity(2) < 0) {
5154 return;
5155 }
5156 jobject target = GetTarget(env);
5157 DWORD curMousePos = ::GetMessagePos();
5158 int xAbs = GET_X_LPARAM(curMousePos);
5159 int yAbs = GET_Y_LPARAM(curMousePos);
5160
5161 DTRACE_PRINTLN("creating MWE in JNI");
5162
5163 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
5164 mouseWheelEventConst,
5165 target,
5166 id, when, modifiers,
5167 ScaleDownX(x + insets.left),
5168 ScaleDownY(y + insets.top),
5169 ScaleDownX(xAbs),
5170 ScaleDownY(yAbs),
5171 clickCount, popupTrigger,
5172 scrollType, scrollAmount,
5173 roundedWheelRotation, preciseWheelRotation);
5174
5175 DASSERT(mouseWheelEvent != NULL);
5176 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
5177 env->ExceptionDescribe();
5178 env->ExceptionClear();
5179 env->DeleteLocalRef(target);
5180 return;
5181 }
5182 if (pMsg != NULL) {
5183 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
5184 }
5185 SendEvent(mouseWheelEvent);
5186
5187 env->DeleteLocalRef(mouseWheelEvent);
5188 env->DeleteLocalRef(target);
5189 }
5190
5191 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
5192 {
5193 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5194
5195 CriticalSection::Lock l(GetLock());
5196 if (GetPeer(env) == NULL) {
5197 /* event received during termination. */
5198 return;
5199 }
5200
5201 static jclass focusEventCls;
5202 if (focusEventCls == NULL) {
5203 jclass focusEventClsLocal
5204 = env->FindClass("java/awt/event/FocusEvent");
5205 DASSERT(focusEventClsLocal);
5206 CHECK_NULL(focusEventClsLocal);
5207 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5208 env->DeleteLocalRef(focusEventClsLocal);
5209 }
5210
5211 static jmethodID focusEventConst;
5212 if (focusEventConst == NULL) {
5213 focusEventConst =
5214 env->GetMethodID(focusEventCls, "<init>",
5215 "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5216 DASSERT(focusEventConst);
5217 CHECK_NULL(focusEventConst);
5218 }
5219
5220 static jclass sequencedEventCls;
5221 if (sequencedEventCls == NULL) {
5222 jclass sequencedEventClsLocal =
5223 env->FindClass("java/awt/SequencedEvent");
5224 DASSERT(sequencedEventClsLocal);
5225 CHECK_NULL(sequencedEventClsLocal);
5226 sequencedEventCls =
5227 (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5228 env->DeleteLocalRef(sequencedEventClsLocal);
5229 }
5230
5231 static jmethodID sequencedEventConst;
5232 if (sequencedEventConst == NULL) {
5233 sequencedEventConst =
5234 env->GetMethodID(sequencedEventCls, "<init>",
5235 "(Ljava/awt/AWTEvent;)V");
5236 DASSERT(sequencedEventConst);
5237 CHECK_NULL(sequencedEventConst);
5238 }
5239
5240 if (env->EnsureLocalCapacity(3) < 0) {
5241 return;
5242 }
5243
5244 jobject target = GetTarget(env);
5245 jobject jOpposite = NULL;
5246 if (opposite != NULL) {
5247 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5248 if (awtOpposite != NULL) {
5249 jOpposite = awtOpposite->GetTarget(env);
5250 }
5251 }
5252 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5253 target, id, JNI_FALSE, jOpposite);
5254 DASSERT(!safe_ExceptionOccurred(env));
5255 DASSERT(focusEvent != NULL);
5256 if (jOpposite != NULL) {
5257 env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5258 }
5259 env->DeleteLocalRef(target); target = NULL;
5260 CHECK_NULL(focusEvent);
5261
5262 jobject sequencedEvent = env->NewObject(sequencedEventCls,
5263 sequencedEventConst,
5264 focusEvent);
5265 DASSERT(!safe_ExceptionOccurred(env));
5266 DASSERT(sequencedEvent != NULL);
5267 env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5268 CHECK_NULL(sequencedEvent);
5269 SendEvent(sequencedEvent);
5270
5271 env->DeleteLocalRef(sequencedEvent);
5272 }
5273
5274 /*
5275 * Forward a filtered event directly to the subclassed window.
5276 * This method is needed so that DefWindowProc is invoked on the
5277 * component's owning thread.
5278 */
5279 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5280 {
5281 DefWindowProc(msg->message, msg->wParam, msg->lParam);
5282 delete msg;
5283 return mrConsume;
5284 }
5285
5286 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5287 on the toolkit thread. This method may pre-filter the messages. */
5288 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5289 {
5290 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5291 // We should cut off keyboard events to disabled components
5292 // to avoid the components responding visually to keystrokes when disabled.
5293 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5294 // but to activate menus, close windows, etc
5295 switch(msg->message) {
5296 case WM_KEYDOWN:
5297 case WM_KEYUP:
5298 case WM_CHAR:
5299 case WM_DEADCHAR:
5300 {
5301 if (!isRecursivelyEnabled()) {
5302 goto quit;
5303 }
5304 break;
5305 }
5306 }
5307 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5308 (WPARAM) synthetic, (LPARAM) msg)) {
5309 return TRUE;
5310 } else {
5311 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5312 }
5313 quit:
5314 delete msg;
5315 return FALSE;
5316 }
5317
5318 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5319 {
5320 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5321 UINT message;
5322 switch (id) {
5323 case java_awt_event_KeyEvent_KEY_PRESSED:
5324 message = WM_KEYDOWN;
5325 break;
5326 case java_awt_event_KeyEvent_KEY_RELEASED:
5327 message = WM_KEYUP;
5328 break;
5329 case java_awt_event_KeyEvent_KEY_TYPED:
5330 message = WM_CHAR;
5331 break;
5332 default:
5333 return;
5334 }
5335
5336 /*
5337 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5338 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5339 */
5340 if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5341 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5342 // (for Edit control)
5343 jchar keyChar = (jchar)
5344 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5345
5346 // Bugid 4724007. If it is a Delete character, don't send the fake
5347 // KEY_TYPED we created back to the native window: Windows doesn't
5348 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5349 // character after deleting.
5350 if (keyChar == '\177') { // the Delete character
5351 return;
5352 }
5353
5354 // Disable forwarding WM_CHAR messages to disabled components
5355 if (isRecursivelyEnabled()) {
5356 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5357 MAKEWPARAM(keyChar, TRUE), 0)) {
5358 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5359 }
5360 }
5361 } else {
5362 jint keyCode =
5363 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5364 UINT key, modifiers;
5365 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5366 MSG* msg = CreateMessage(message, key, 0);
5367 PostHandleEventMessage(msg, TRUE);
5368 }
5369 }
5370
5371 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5372 {
5373 /* DebugBreak(); */
5374 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5375 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5376
5377 WPARAM wParam = 0;
5378 WORD wLow = 0;
5379 jint wheelAmt = 0;
5380 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5381 UINT message;
5382 switch (id) {
5383 case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5384 switch (button) {
5385 case java_awt_event_MouseEvent_BUTTON1:
5386 message = WM_LBUTTONDOWN; break;
5387 case java_awt_event_MouseEvent_BUTTON3:
5388 message = WM_MBUTTONDOWN; break;
5389 case java_awt_event_MouseEvent_BUTTON2:
5390 message = WM_RBUTTONDOWN; break;
5391 default:
5392 return;
5393 }
5394 break;
5395 }
5396 case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5397 switch (button) {
5398 case java_awt_event_MouseEvent_BUTTON1:
5399 message = WM_LBUTTONUP; break;
5400 case java_awt_event_MouseEvent_BUTTON3:
5401 message = WM_MBUTTONUP; break;
5402 case java_awt_event_MouseEvent_BUTTON2:
5403 message = WM_RBUTTONUP; break;
5404 default:
5405 return;
5406 }
5407 break;
5408 }
5409 case java_awt_event_MouseEvent_MOUSE_MOVED:
5410 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5411 case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5412 message = WM_MOUSEMOVE;
5413 break;
5414 case java_awt_event_MouseEvent_MOUSE_WHEEL:
5415 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5416 wLow |= MK_CONTROL;
5417 }
5418 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5419 wLow |= MK_SHIFT;
5420 }
5421 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5422 wLow |= MK_LBUTTON;
5423 }
5424 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5425 wLow |= MK_RBUTTON;
5426 }
5427 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5428 wLow |= MK_MBUTTON;
5429 }
5430 if (modifiers & X1_BUTTON) {
5431 wLow |= GetButtonMK(X1_BUTTON);
5432 }
5433 if (modifiers & X2_BUTTON) {
5434 wLow |= GetButtonMK(X2_BUTTON);
5435 }
5436
5437 wheelAmt = (jint)JNU_CallMethodByName(env,
5438 NULL,
5439 mouseEvent,
5440 "getWheelRotation",
5441 "()I").i;
5442 DASSERT(!safe_ExceptionOccurred(env));
5443 JNU_CHECK_EXCEPTION(env);
5444 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5445
5446 // convert Java wheel amount value to Win32
5447 wheelAmt *= -1 * WHEEL_DELTA;
5448
5449 message = WM_MOUSEWHEEL;
5450 wParam = MAKEWPARAM(wLow, wheelAmt);
5451
5452 break;
5453 default:
5454 return;
5455 }
5456 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5457 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5458 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5459 PostHandleEventMessage(msg, TRUE);
5460 }
5461
5462 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5463
5464 void AwtComponent::Invalidate(RECT* r)
5465 {
5466 ::InvalidateRect(GetHWnd(), r, FALSE);
5467 }
5468
5469 void AwtComponent::BeginValidate()
5470 {
5471 DASSERT(m_validationNestCount >= 0 &&
5472 m_validationNestCount < 1000); // sanity check
5473
5474 if (m_validationNestCount == 0) {
5475 // begin deferred window positioning if we're not inside
5476 // another Begin/EndValidate pair
5477 DASSERT(m_hdwp == NULL);
5478 m_hdwp = ::BeginDeferWindowPos(32);
5479 }
5480
5481 m_validationNestCount++;
5482 }
5483
5484 void AwtComponent::EndValidate()
5485 {
5486 DASSERT(m_validationNestCount > 0 &&
5487 m_validationNestCount < 1000); // sanity check
5488 DASSERT(m_hdwp != NULL);
5489
5490 m_validationNestCount--;
5491 if (m_validationNestCount == 0) {
5492 // if this call to EndValidate is not nested inside another
5493 // Begin/EndValidate pair, end deferred window positioning
5494 ::EndDeferWindowPos(m_hdwp);
5495 m_hdwp = NULL;
5496 }
5497 }
5498
5499 /**
5500 * HWND, AwtComponent and Java Peer interaction
5501 */
5502
5503 /*
5504 *Link the C++, Java peer, and HWNDs together.
5505 */
5506 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5507 {
5508 /*
5509 * Bind all three objects together thru this C++ object, two-way to each:
5510 * JavaPeer <-> C++ <-> HWND
5511 *
5512 * C++ -> JavaPeer
5513 */
5514 if (m_peerObject == NULL) {
5515 // This may have already been set up by CreateHWnd
5516 // And we don't want to create two references so we
5517 // will leave the prior one alone
5518 m_peerObject = env->NewGlobalRef(peer);
5519 }
5520 /* JavaPeer -> HWND */
5521 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5522
5523 /* JavaPeer -> C++ */
5524 JNI_SET_PDATA(peer, this);
5525
5526 /* HWND -> C++ */
5527 SetComponentInHWND();
5528 }
5529
5530 /* Cleanup above linking */
5531 void AwtComponent::UnlinkObjects()
5532 {
5533 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5534 if (m_peerObject) {
5535 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5536 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5537 JNI_SET_DESTROYED(m_peerObject);
5538 env->DeleteGlobalRef(m_peerObject);
5539 m_peerObject = NULL;
5540 }
5541 }
5542
5543 void AwtComponent::Enable(BOOL bEnable)
5544 {
5545 if (bEnable && IsTopLevel()) {
5546 // we should not enable blocked toplevels
5547 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5548 }
5549 // Shouldn't trigger native focus change
5550 // (only the proxy may be the native focus owner).
5551 ::EnableWindow(GetHWnd(), bEnable);
5552
5553 CriticalSection::Lock l(GetLock());
5554 VerifyState();
5555 }
5556
5557 /*
5558 * associate an AwtDropTarget with this AwtComponent
5559 */
5560
5561 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5562 m_dropTarget = new AwtDropTarget(env, this);
5563 m_dropTarget->RegisterTarget(TRUE);
5564 return m_dropTarget;
5565 }
5566
5567 /*
5568 * disassociate an AwtDropTarget with this AwtComponent
5569 */
5570
5571 void AwtComponent::DestroyDropTarget() {
5572 if (m_dropTarget != NULL) {
5573 m_dropTarget->RegisterTarget(FALSE);
5574 m_dropTarget->Release();
5575 m_dropTarget = NULL;
5576 }
5577 }
5578
5579 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5580 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5581 }
5582
5583 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5584 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5585 }
5586
5587 void AwtComponent::_Show(void *param)
5588 {
5589 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5590
5591 jobject self = (jobject)param;
5592
5593 AwtComponent *p;
5594
5595 PDATA pData;
5596 JNI_CHECK_PEER_GOTO(self, ret);
5597 p = (AwtComponent *)pData;
5598 if (::IsWindow(p->GetHWnd()))
5599 {
5600 p->SendMessage(WM_AWT_COMPONENT_SHOW);
5601 }
5602 ret:
5603 env->DeleteGlobalRef(self);
5604 }
5605
5606 void AwtComponent::_Hide(void *param)
5607 {
5608 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5609
5610 jobject self = (jobject)param;
5611
5612 AwtComponent *p;
5613
5614 PDATA pData;
5615 JNI_CHECK_PEER_GOTO(self, ret);
5616 p = (AwtComponent *)pData;
5617 if (::IsWindow(p->GetHWnd()))
5618 {
5619 p->SendMessage(WM_AWT_COMPONENT_HIDE);
5620 }
5621 ret:
5622 env->DeleteGlobalRef(self);
5623 }
5624
5625 void AwtComponent::_Enable(void *param)
5626 {
5627 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5628
5629 jobject self = (jobject)param;
5630
5631 AwtComponent *p;
5632
5633 PDATA pData;
5634 JNI_CHECK_PEER_GOTO(self, ret);
5635 p = (AwtComponent *)pData;
5636 if (::IsWindow(p->GetHWnd()))
5637 {
5638 p->Enable(TRUE);
5639 }
5640 ret:
5641 env->DeleteGlobalRef(self);
5642 }
5643
5644 void AwtComponent::_Disable(void *param)
5645 {
5646 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5647
5648 jobject self = (jobject)param;
5649
5650 AwtComponent *p;
5651
5652 PDATA pData;
5653 JNI_CHECK_PEER_GOTO(self, ret);
5654 p = (AwtComponent *)pData;
5655 if (::IsWindow(p->GetHWnd()))
5656 {
5657 p->Enable(FALSE);
5658 }
5659 ret:
5660 env->DeleteGlobalRef(self);
5661 }
5662
5663 jobject AwtComponent::_GetLocationOnScreen(void *param)
5664 {
5665 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5666
5667 jobject self = (jobject)param;
5668
5669 jobject result = NULL;
5670 AwtComponent *p;
5671
5672 PDATA pData;
5673 JNI_CHECK_PEER_GOTO(self, ret);
5674 p = (AwtComponent *)pData;
5675 if (::IsWindow(p->GetHWnd()))
5676 {
5677 RECT rect;
5678 VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5679 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5680 p->ScaleDownX(rect.left),
5681 p->ScaleDownY(rect.top));
5682 }
5683 ret:
5684 env->DeleteGlobalRef(self);
5685
5686 if (result != NULL)
5687 {
5688 jobject resultGlobalRef = env->NewGlobalRef(result);
5689 env->DeleteLocalRef(result);
5690 return resultGlobalRef;
5691 }
5692 else
5693 {
5694 return NULL;
5695 }
5696 }
5697
5698 void AwtComponent::_Reshape(void *param)
5699 {
5700 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5701
5702 ReshapeStruct *rs = (ReshapeStruct*)param;
5703 jobject self = rs->component;
5704 jint x = rs->x;
5705 jint y = rs->y;
5706 jint w = rs->w;
5707 jint h = rs->h;
5708
5709 AwtComponent *p;
5710
5711 PDATA pData;
5712 JNI_CHECK_PEER_GOTO(self, ret);
5713 p = (AwtComponent *)pData;
5714 if (::IsWindow(p->GetHWnd()))
5715 {
5716 RECT* r = new RECT;
5717 ::SetRect(r, x, y, x + w, y + h);
5718 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5719 }
5720 ret:
5721 env->DeleteGlobalRef(self);
5722
5723 delete rs;
5724 }
5725
5726 void AwtComponent::_ReshapeNoCheck(void *param)
5727 {
5728 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5729
5730 ReshapeStruct *rs = (ReshapeStruct*)param;
5731 jobject self = rs->component;
5732 jint x = rs->x;
5733 jint y = rs->y;
5734 jint w = rs->w;
5735 jint h = rs->h;
5736
5737 AwtComponent *p;
5738
5739 PDATA pData;
5740 JNI_CHECK_PEER_GOTO(self, ret);
5741 p = (AwtComponent *)pData;
5742 if (::IsWindow(p->GetHWnd()))
5743 {
5744 RECT* r = new RECT;
5745 ::SetRect(r, x, y, x + w, y + h);
5746 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5747 }
5748 ret:
5749 env->DeleteGlobalRef(self);
5750
5751 delete rs;
5752 }
5753
5754 void AwtComponent::_NativeHandleEvent(void *param)
5755 {
5756 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5757
5758 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5759 jobject self = nhes->component;
5760 jobject event = nhes->event;
5761
5762 AwtComponent *p;
5763
5764 PDATA pData;
5765 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5766 pData = JNI_GET_PDATA(self);
5767 if (pData == NULL) {
5768 env->DeleteGlobalRef(self);
5769 if (event != NULL) {
5770 env->DeleteGlobalRef(event);
5771 }
5772 delete nhes;
5773 return;
5774 }
5775 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5776
5777 p = (AwtComponent *)pData;
5778 if (::IsWindow(p->GetHWnd()))
5779 {
5780 if (env->EnsureLocalCapacity(1) < 0) {
5781 env->DeleteGlobalRef(self);
5782 env->DeleteGlobalRef(event);
5783 delete nhes;
5784 return;
5785 }
5786 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5787 int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5788 DASSERT(!safe_ExceptionOccurred(env));
5789 if (bdata != 0) {
5790 MSG msg;
5791 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5792 (env)->DeleteLocalRef(bdata);
5793 static BOOL keyDownConsumed = FALSE;
5794 static BOOL bCharChanged = FALSE;
5795 static WCHAR modifiedChar;
5796 WCHAR unicodeChar;
5797
5798 /* Remember if a KEY_PRESSED event is consumed, as an old model
5799 * program won't consume a subsequent KEY_TYPED event.
5800 */
5801 jboolean consumed =
5802 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5803 DASSERT(!safe_ExceptionOccurred(env));
5804
5805 if (consumed) {
5806 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5807 env->DeleteGlobalRef(self);
5808 env->DeleteGlobalRef(event);
5809 delete nhes;
5810 return;
5811
5812 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5813 // Fix for 6637607: reset consuming
5814 keyDownConsumed = FALSE;
5815 }
5816
5817 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5818 * the old model.
5819 */
5820 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5821 keyDownConsumed = FALSE;
5822 env->DeleteGlobalRef(self);
5823 env->DeleteGlobalRef(event);
5824 delete nhes;
5825 return;
5826 }
5827
5828 /* Modify any event parameters, if necessary. */
5829 if (self && pData &&
5830 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5831 id <= java_awt_event_KeyEvent_KEY_LAST) {
5832
5833 AwtComponent* p = (AwtComponent*)pData;
5834
5835 jint keyCode =
5836 (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5837 jchar keyChar =
5838 (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5839 jint modifiers =
5840 (env)->GetIntField(event, AwtInputEvent::modifiersID);
5841
5842 DASSERT(!safe_ExceptionOccurred(env));
5843
5844 /* Check to see whether the keyCode or modifiers were changed
5845 on the keyPressed event, and tweak the following keyTyped
5846 event (if any) accodingly. */
5847 switch (id) {
5848 case java_awt_event_KeyEvent_KEY_PRESSED:
5849 {
5850 UINT winKey = (UINT)msg.wParam;
5851 bCharChanged = FALSE;
5852
5853 if (winKey == VK_PROCESSKEY) {
5854 // Leave it up to IME
5855 break;
5856 }
5857
5858 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5859 UINT newWinKey, ignored;
5860 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5861 if (newWinKey != 0) {
5862 winKey = newWinKey;
5863 }
5864 }
5865
5866 BOOL isDeadKey = FALSE;
5867 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5868 bCharChanged = (keyChar != modifiedChar);
5869 }
5870 break;
5871
5872 case java_awt_event_KeyEvent_KEY_RELEASED:
5873 {
5874 keyDownConsumed = FALSE;
5875 bCharChanged = FALSE;
5876 }
5877 break;
5878
5879 case java_awt_event_KeyEvent_KEY_TYPED:
5880 {
5881 if (bCharChanged)
5882 {
5883 unicodeChar = modifiedChar;
5884 }
5885 else
5886 {
5887 unicodeChar = keyChar;
5888 }
5889 bCharChanged = FALSE;
5890
5891 // Disable forwarding KEY_TYPED messages to peers of
5892 // disabled components
5893 if (p->isRecursivelyEnabled()) {
5894 // send the character back to the native window for
5895 // processing. The WM_AWT_FORWARD_CHAR handler will send
5896 // this character to DefWindowProc
5897 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5898 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5899 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5900 }
5901 }
5902 env->DeleteGlobalRef(self);
5903 env->DeleteGlobalRef(event);
5904 delete nhes;
5905 return;
5906 }
5907 break;
5908
5909 default:
5910 break;
5911 }
5912 }
5913
5914 // ignore all InputMethodEvents
5915 if (self && (pData = JNI_GET_PDATA(self)) &&
5916 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5917 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5918 env->DeleteGlobalRef(self);
5919 env->DeleteGlobalRef(event);
5920 delete nhes;
5921 return;
5922 }
5923
5924 // Create copy for local msg
5925 MSG* pCopiedMsg = new MSG;
5926 memmove(pCopiedMsg, &msg, sizeof(MSG));
5927 // Event handler deletes msg
5928 p->PostHandleEventMessage(pCopiedMsg, FALSE);
5929
5930 env->DeleteGlobalRef(self);
5931 env->DeleteGlobalRef(event);
5932 delete nhes;
5933 return;
5934 }
5935
5936 /* Forward any valid synthesized events. Currently only mouse and
5937 * key events are supported.
5938 */
5939 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5940 env->DeleteGlobalRef(self);
5941 env->DeleteGlobalRef(event);
5942 delete nhes;
5943 return;
5944 }
5945
5946 AwtComponent* p = (AwtComponent*)pData;
5947 if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5948 id <= java_awt_event_KeyEvent_KEY_LAST) {
5949 p->SynthesizeKeyMessage(env, event);
5950 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5951 id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5952 p->SynthesizeMouseMessage(env, event);
5953 }
5954 }
5955
5956 ret:
5957 if (self != NULL) {
5958 env->DeleteGlobalRef(self);
5959 }
5960 if (event != NULL) {
5961 env->DeleteGlobalRef(event);
5962 }
5963
5964 delete nhes;
5965 }
5966
5967 void AwtComponent::_SetForeground(void *param)
5968 {
5969 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5970
5971 SetColorStruct *scs = (SetColorStruct *)param;
5972 jobject self = scs->component;
5973 jint rgb = scs->rgb;
5974
5975 AwtComponent *c = NULL;
5976
5977 PDATA pData;
5978 JNI_CHECK_PEER_GOTO(self, ret);
5979 c = (AwtComponent *)pData;
5980 if (::IsWindow(c->GetHWnd()))
5981 {
5982 c->SetColor(PALETTERGB((rgb>>16)&0xff,
5983 (rgb>>8)&0xff,
5984 (rgb)&0xff));
5985 c->VerifyState();
5986 }
5987 ret:
5988 env->DeleteGlobalRef(self);
5989
5990 delete scs;
5991 }
5992
5993 void AwtComponent::_SetBackground(void *param)
5994 {
5995 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5996
5997 SetColorStruct *scs = (SetColorStruct *)param;
5998 jobject self = scs->component;
5999 jint rgb = scs->rgb;
6000
6001 AwtComponent *c = NULL;
6002
6003 PDATA pData;
6004 JNI_CHECK_PEER_GOTO(self, ret);
6005 c = (AwtComponent *)pData;
6006 if (::IsWindow(c->GetHWnd()))
6007 {
6008 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
6009 (rgb>>8)&0xff,
6010 (rgb)&0xff));
6011 c->VerifyState();
6012 }
6013 ret:
6014 env->DeleteGlobalRef(self);
6015
6016 delete scs;
6017 }
6018
6019 void AwtComponent::_SetFont(void *param)
6020 {
6021 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6022
6023 SetFontStruct *sfs = (SetFontStruct *)param;
6024 jobject self = sfs->component;
6025 jobject font = sfs->font;
6026
6027 AwtComponent *c = NULL;
6028
6029 PDATA pData;
6030 JNI_CHECK_PEER_GOTO(self, ret);
6031 JNI_CHECK_NULL_GOTO(font, "null font", ret);
6032 c = (AwtComponent *)pData;
6033 if (::IsWindow(c->GetHWnd()))
6034 {
6035 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
6036 if (awtFont == NULL) {
6037 /*arguments of AwtFont::Create are changed for multifont component */
6038 awtFont = AwtFont::Create(env, font);
6039 }
6040 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
6041
6042 c->SetFont(awtFont);
6043 }
6044 ret:
6045 env->DeleteGlobalRef(self);
6046 env->DeleteGlobalRef(font);
6047
6048 delete sfs;
6049 }
6050
6051 // Sets or kills focus for a component.
6052 void AwtComponent::_SetFocus(void *param)
6053 {
6054 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6055
6056 SetFocusStruct *sfs = (SetFocusStruct *)param;
6057 jobject self = sfs->component;
6058 jboolean doSetFocus = sfs->doSetFocus;
6059
6060 AwtComponent *c = NULL;
6061
6062 PDATA pData;
6063 JNI_CHECK_NULL_GOTO(self, "peer", ret);
6064 pData = JNI_GET_PDATA(self);
6065 if (pData == NULL) {
6066 // do nothing just return false
6067 goto ret;
6068 }
6069
6070 c = (AwtComponent *)pData;
6071 if (::IsWindow(c->GetHWnd())) {
6072 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
6073 }
6074 ret:
6075 env->DeleteGlobalRef(self);
6076
6077 delete sfs;
6078 }
6079
6080 void AwtComponent::_Start(void *param)
6081 {
6082 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6083
6084 jobject self = (jobject)param;
6085
6086 AwtComponent *c = NULL;
6087
6088 PDATA pData;
6089 JNI_CHECK_PEER_GOTO(self, ret);
6090 c = (AwtComponent *)pData;
6091 if (::IsWindow(c->GetHWnd()))
6092 {
6093 jobject target = c->GetTarget(env);
6094
6095 /* Disable window if specified -- windows are enabled by default. */
6096 jboolean enabled = (jboolean)env->GetBooleanField(target,
6097 AwtComponent::enabledID);
6098 if (!enabled) {
6099 ::EnableWindow(c->GetHWnd(), FALSE);
6100 }
6101
6102 /* The peer is now ready for callbacks, since this is the last
6103 * initialization call
6104 */
6105 c->EnableCallbacks(TRUE);
6106
6107 // Fix 4745222: we need to invalidate region since we validated it before initialization.
6108 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
6109
6110 // Fix 4530093: WM_PAINT after EnableCallbacks
6111 ::UpdateWindow(c->GetHWnd());
6112
6113 env->DeleteLocalRef(target);
6114 }
6115 ret:
6116 env->DeleteGlobalRef(self);
6117 }
6118
6119 void AwtComponent::_BeginValidate(void *param)
6120 {
6121 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6122 if (AwtToolkit::IsMainThread()) {
6123 jobject self = (jobject)param;
6124 if (self != NULL) {
6125 PDATA pData = JNI_GET_PDATA(self);
6126 if (pData) {
6127 AwtComponent *c = (AwtComponent *)pData;
6128 if (::IsWindow(c->GetHWnd())) {
6129 c->SendMessage(WM_AWT_BEGIN_VALIDATE);
6130 }
6131 }
6132 env->DeleteGlobalRef(self);
6133 }
6134 } else {
6135 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
6136 }
6137 }
6138
6139 void AwtComponent::_EndValidate(void *param)
6140 {
6141 if (AwtToolkit::IsMainThread()) {
6142 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6143 jobject self = (jobject)param;
6144 if (self != NULL) {
6145 PDATA pData = JNI_GET_PDATA(self);
6146 if (pData) {
6147 AwtComponent *c = (AwtComponent *)pData;
6148 if (::IsWindow(c->GetHWnd())) {
6149 c->SendMessage(WM_AWT_END_VALIDATE);
6150 }
6151 }
6152 env->DeleteGlobalRef(self);
6153 }
6154 } else {
6155 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
6156 }
6157 }
6158
6159 void AwtComponent::_UpdateWindow(void *param)
6160 {
6161 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6162 if (AwtToolkit::IsMainThread()) {
6163 jobject self = (jobject)param;
6164 AwtComponent *c = NULL;
6165 PDATA pData;
6166 JNI_CHECK_PEER_GOTO(self, ret);
6167 c = (AwtComponent *)pData;
6168 if (::IsWindow(c->GetHWnd())) {
6169 ::UpdateWindow(c->GetHWnd());
6170 }
6171 ret:
6172 env->DeleteGlobalRef(self);
6173 } else {
6174 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
6175 }
6176 }
6177
6178 jlong AwtComponent::_AddNativeDropTarget(void *param)
6179 {
6180 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6181
6182 jobject self = (jobject)param;
6183
6184 jlong result = 0;
6185 AwtComponent *c = NULL;
6186
6187 PDATA pData;
6188 JNI_CHECK_PEER_GOTO(self, ret);
6189 c = (AwtComponent *)pData;
6190 if (::IsWindow(c->GetHWnd()))
6191 {
6192 result = (jlong)(c->CreateDropTarget(env));
6193 }
6194 ret:
6195 env->DeleteGlobalRef(self);
6196
6197 return result;
6198 }
6199
6200 void AwtComponent::_RemoveNativeDropTarget(void *param)
6201 {
6202 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6203
6204 jobject self = (jobject)param;
6205
6206 AwtComponent *c = NULL;
6207
6208 PDATA pData;
6209 JNI_CHECK_PEER_GOTO(self, ret);
6210 c = (AwtComponent *)pData;
6211 if (::IsWindow(c->GetHWnd()))
6212 {
6213 c->DestroyDropTarget();
6214 }
6215 ret:
6216 env->DeleteGlobalRef(self);
6217 }
6218
6219 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6220 {
6221 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6222
6223 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6224 jobject self = cpps->component;
6225
6226 jintArray result = NULL;
6227 AwtComponent *c = NULL;
6228
6229 PDATA pData;
6230 JNI_CHECK_PEER_GOTO(self, ret);
6231 c = (AwtComponent *)pData;
6232 if (::IsWindow(c->GetHWnd()))
6233 {
6234 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6235 }
6236 ret:
6237 env->DeleteGlobalRef(self);
6238
6239 delete cpps;
6240 return result; // this reference is global
6241 }
6242
6243 jboolean AwtComponent::_IsObscured(void *param)
6244 {
6245 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6246
6247 jobject self = (jobject)param;
6248
6249 jboolean result = JNI_FALSE;
6250 AwtComponent *c = NULL;
6251
6252 PDATA pData;
6253 JNI_CHECK_PEER_GOTO(self, ret);
6254
6255 c = (AwtComponent *)pData;
6256
6257 if (::IsWindow(c->GetHWnd()))
6258 {
6259 HWND hWnd = c->GetHWnd();
6260 HDC hDC = ::GetDC(hWnd);
6261 RECT clipbox;
6262 int callresult = ::GetClipBox(hDC, &clipbox);
6263 switch(callresult) {
6264 case NULLREGION :
6265 result = JNI_FALSE;
6266 break;
6267 case SIMPLEREGION : {
6268 RECT windowRect;
6269 if (!::GetClientRect(hWnd, &windowRect)) {
6270 result = JNI_TRUE;
6271 } else {
6272 result = (jboolean)((clipbox.bottom != windowRect.bottom)
6273 || (clipbox.left != windowRect.left)
6274 || (clipbox.right != windowRect.right)
6275 || (clipbox.top != windowRect.top));
6276 }
6277 break;
6278 }
6279 case COMPLEXREGION :
6280 default :
6281 result = JNI_TRUE;
6282 break;
6283 }
6284 ::ReleaseDC(hWnd, hDC);
6285 }
6286 ret:
6287 env->DeleteGlobalRef(self);
6288
6289 return result;
6290 }
6291
6292 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6293 {
6294 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6295
6296 jobject self = (jobject)param;
6297
6298 jboolean result = JNI_FALSE;
6299 AwtComponent *c = NULL;
6300
6301 PDATA pData;
6302 JNI_CHECK_PEER_GOTO(self, ret);
6303 c = (AwtComponent *)pData;
6304 if (::IsWindow(c->GetHWnd()))
6305 {
6306 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6307 }
6308 ret:
6309 env->DeleteGlobalRef(self);
6310
6311 return result;
6312 }
6313
6314 void AwtComponent::_SetParent(void * param)
6315 {
6316 if (AwtToolkit::IsMainThread()) {
6317 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6318 SetParentStruct *data = (SetParentStruct*) param;
6319 jobject self = data->component;
6320 jobject parent = data->parentComp;
6321
6322 AwtComponent *awtComponent = NULL;
6323 AwtComponent *awtParent = NULL;
6324
6325 PDATA pData;
6326 JNI_CHECK_PEER_GOTO(self, ret);
6327 awtComponent = (AwtComponent *)pData;
6328 JNI_CHECK_PEER_GOTO(parent, ret);
6329 awtParent = (AwtComponent *)pData;
6330
6331 HWND selfWnd = awtComponent->GetHWnd();
6332 HWND parentWnd = awtParent->GetHWnd();
6333 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6334 // Shouldn't trigger native focus change
6335 // (only the proxy may be the native focus owner).
6336 ::SetParent(selfWnd, parentWnd);
6337 }
6338 ret:
6339 env->DeleteGlobalRef(self);
6340 env->DeleteGlobalRef(parent);
6341 delete data;
6342 } else {
6343 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetParent, param);
6344 }
6345 }
6346
6347 void AwtComponent::_SetRectangularShape(void *param)
6348 {
6349 if (!AwtToolkit::IsMainThread()) {
6350 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6351 } else {
6352 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6353
6354 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6355 jobject self = data->component;
6356 jint x1 = data->x1;
6357 jint x2 = data->x2;
6358 jint y1 = data->y1;
6359 jint y2 = data->y2;
6360 jobject region = data->region;
6361
6362 AwtComponent *c = NULL;
6363
6364 PDATA pData;
6365 JNI_CHECK_PEER_GOTO(self, ret);
6366
6367 c = (AwtComponent *)pData;
6368 if (::IsWindow(c->GetHWnd())) {
6369 HRGN hRgn = NULL;
6370
6371 // If all the params are zeros, the shape must be simply reset.
6372 // Otherwise, convert it into a region.
6373 if (region || x1 || x2 || y1 || y2) {
6374 RECT_T rects[256];
6375 RECT_T *pRect = rects;
6376
6377 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6378 region, &pRect, sizeof(rects)/sizeof(rects[0]));
6379 if (!pRect) {
6380 // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6381 // so throw the exception explicitly
6382 throw std::bad_alloc();
6383 }
6384
6385 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6386 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6387 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6388 if (pRect != rects) {
6389 free(pRect);
6390 }
6391 pRect = NULL;
6392
6393 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6394 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6395 pRgnHdr->iType = RDH_RECTANGLES;
6396 pRgnHdr->nRgnSize = 0;
6397 pRgnHdr->rcBound.top = 0;
6398 pRgnHdr->rcBound.left = 0;
6399 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6400 pRgnHdr->rcBound.right = LONG(x2 - x1);
6401 pRgnHdr->nCount = numrects;
6402
6403 hRgn = ::ExtCreateRegion(NULL,
6404 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6405
6406 free(pRgnData);
6407 }
6408
6409 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6410 }
6411
6412 ret:
6413 env->DeleteGlobalRef(self);
6414 if (region) {
6415 env->DeleteGlobalRef(region);
6416 }
6417
6418 delete data;
6419 }
6420 }
6421
6422 void AwtComponent::_SetZOrder(void *param) {
6423 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6424
6425 SetZOrderStruct *data = (SetZOrderStruct *)param;
6426 jobject self = data->component;
6427 HWND above = HWND_TOP;
6428 if (data->above != 0) {
6429 above = reinterpret_cast<HWND>(data->above);
6430 }
6431
6432 AwtComponent *c = NULL;
6433
6434 PDATA pData;
6435 JNI_CHECK_PEER_GOTO(self, ret);
6436
6437 c = (AwtComponent *)pData;
6438 if (::IsWindow(c->GetHWnd())) {
6439 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6440 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6441 }
6442
6443 ret:
6444 env->DeleteGlobalRef(self);
6445
6446 delete data;
6447 }
6448
6449 void AwtComponent::PostUngrabEvent() {
6450 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6451 jobject target = GetTarget(env);
6452 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6453 target);
6454 if (safe_ExceptionOccurred(env)) {
6455 env->ExceptionDescribe();
6456 env->ExceptionClear();
6457 }
6458 env->DeleteLocalRef(target);
6459 if (event != NULL) {
6460 SendEvent(event);
6461 env->DeleteLocalRef(event);
6462 }
6463 }
6464
6465 void AwtComponent::SetFocusedWindow(HWND window)
6466 {
6467 HWND old = sm_focusedWindow;
6468 sm_focusedWindow = window;
6469
6470 AwtWindow::FocusedWindowChanged(old, window);
6471 }
6472
6473 /************************************************************************
6474 * Component native methods
6475 */
6476
6477 extern "C" {
6478
6479 /**
6480 * This method is called from the WGL pipeline when it needs to retrieve
6481 * the HWND associated with a ComponentPeer's C++ level object.
6482 */
6483 HWND
6484 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6485 {
6486 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6487 if (p == NULL) {
6488 return (HWND)0;
6489 }
6490 return p->GetHWnd();
6491 }
6492
6493 static void _GetInsets(void* param)
6494 {
6495 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6496
6497 GetInsetsStruct *gis = (GetInsetsStruct *)param;
6498 jobject self = gis->window;
6499
6500 gis->insets->left = gis->insets->top =
6501 gis->insets->right = gis->insets->bottom = 0;
6502
6503 PDATA pData;
6504 JNI_CHECK_PEER_GOTO(self, ret);
6505 AwtComponent *component = (AwtComponent *)pData;
6506
6507 component->GetInsets(gis->insets);
6508
6509 ret:
6510 env->DeleteGlobalRef(self);
6511 delete gis;
6512 }
6513
6514 /**
6515 * This method is called from the WGL pipeline when it needs to retrieve
6516 * the insets associated with a ComponentPeer's C++ level object.
6517 */
6518 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6519 {
6520 TRY;
6521
6522 GetInsetsStruct *gis = new GetInsetsStruct;
6523 gis->window = env->NewGlobalRef(peer);
6524 gis->insets = insets;
6525
6526 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6527 // global refs and mds are deleted in _UpdateWindow
6528
6529 CATCH_BAD_ALLOC;
6530
6531 }
6532
6533 JNIEXPORT void JNICALL
6534 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6535 {
6536 TRY;
6537 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6538 CHECK_NULL(inputEventClazz);
6539 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6540 CHECK_NULL(getButtonDownMasksID);
6541 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6542 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6543 CHECK_NULL(tmp);
6544 jsize len = env->GetArrayLength(obj);
6545 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6546 for (int i = 0; i < len; i++) {
6547 AwtComponent::masks[i] = tmp[i];
6548 }
6549 env->ReleaseIntArrayElements(obj, tmp, 0);
6550 env->DeleteLocalRef(obj);
6551
6552 /* class ids */
6553 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6554
6555 DASSERT(peerCls);
6556 CHECK_NULL(peerCls);
6557
6558 /* field ids */
6559 AwtComponent::peerID =
6560 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6561 DASSERT(AwtComponent::peerID);
6562 CHECK_NULL(AwtComponent::peerID);
6563
6564 AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6565 DASSERT(AwtComponent::xID);
6566 CHECK_NULL(AwtComponent::xID);
6567
6568 AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6569 DASSERT(AwtComponent::yID);
6570 CHECK_NULL(AwtComponent::yID);
6571
6572 AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6573 DASSERT(AwtComponent::heightID);
6574 CHECK_NULL(AwtComponent::heightID);
6575
6576 AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6577 DASSERT(AwtComponent::widthID);
6578 CHECK_NULL(AwtComponent::widthID);
6579
6580 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6581 DASSERT(AwtComponent::visibleID);
6582 CHECK_NULL(AwtComponent::visibleID);
6583
6584 AwtComponent::backgroundID =
6585 env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6586 DASSERT(AwtComponent::backgroundID);
6587 CHECK_NULL(AwtComponent::backgroundID);
6588
6589 AwtComponent::foregroundID =
6590 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6591 DASSERT(AwtComponent::foregroundID);
6592 CHECK_NULL(AwtComponent::foregroundID);
6593
6594 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6595 DASSERT(AwtComponent::enabledID);
6596 CHECK_NULL(AwtComponent::enabledID);
6597
6598 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6599 DASSERT(AwtComponent::parentID);
6600 CHECK_NULL(AwtComponent::parentID);
6601
6602 AwtComponent::graphicsConfigID =
6603 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6604 DASSERT(AwtComponent::graphicsConfigID);
6605 CHECK_NULL(AwtComponent::graphicsConfigID);
6606
6607 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6608 DASSERT(AwtComponent::focusableID);
6609 CHECK_NULL(AwtComponent::focusableID);
6610
6611 AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6612 "Lsun/awt/AppContext;");
6613 DASSERT(AwtComponent::appContextID);
6614 CHECK_NULL(AwtComponent::appContextID);
6615
6616 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6617 "Lsun/awt/Win32GraphicsConfig;");
6618 DASSERT(AwtComponent::peerGCID);
6619 CHECK_NULL(AwtComponent::peerGCID);
6620
6621 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6622 DASSERT(AwtComponent::hwndID);
6623 CHECK_NULL(AwtComponent::hwndID);
6624
6625 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6626 DASSERT(AwtComponent::cursorID);
6627 CHECK_NULL(AwtComponent::cursorID);
6628
6629 /* method ids */
6630 AwtComponent::getFontMID =
6631 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6632 DASSERT(AwtComponent::getFontMID);
6633 CHECK_NULL(AwtComponent::getFontMID);
6634
6635 AwtComponent::getToolkitMID =
6636 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6637 DASSERT(AwtComponent::getToolkitMID);
6638 CHECK_NULL(AwtComponent::getToolkitMID);
6639
6640 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6641 DASSERT(AwtComponent::isEnabledMID);
6642 CHECK_NULL(AwtComponent::isEnabledMID);
6643
6644 AwtComponent::getLocationOnScreenMID =
6645 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6646 DASSERT(AwtComponent::getLocationOnScreenMID);
6647 CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6648
6649 AwtComponent::replaceSurfaceDataMID =
6650 env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6651 DASSERT(AwtComponent::replaceSurfaceDataMID);
6652 CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6653
6654 AwtComponent::replaceSurfaceDataLaterMID =
6655 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6656 DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6657 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6658
6659 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6660 DASSERT(AwtComponent::disposeLaterMID);
6661 CHECK_NULL(AwtComponent::disposeLaterMID);
6662
6663 CATCH_BAD_ALLOC;
6664 }
6665
6666 } /* extern "C" */
6667
6668
6669 /************************************************************************
6670 * ComponentPeer native methods
6671 */
6672
6673 extern "C" {
6674
6675 /*
6676 * Class: sun_awt_windows_WComponentPeer
6677 * Method: pShow
6678 * Signature: ()V
6679 */
6680 JNIEXPORT void JNICALL
6681 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6682 {
6683 TRY;
6684
6685 jobject selfGlobalRef = env->NewGlobalRef(self);
6686
6687 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6688 // selfGlobalRef is deleted in _Show
6689
6690 CATCH_BAD_ALLOC;
6691 }
6692
6693 /*
6694 * Class: sun_awt_windows_WComponentPeer
6695 * Method: hide
6696 * Signature: ()V
6697 */
6698 JNIEXPORT void JNICALL
6699 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6700 {
6701 TRY;
6702
6703 jobject selfGlobalRef = env->NewGlobalRef(self);
6704
6705 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6706 // selfGlobalRef is deleted in _Hide
6707
6708 CATCH_BAD_ALLOC;
6709 }
6710
6711 /*
6712 * Class: sun_awt_windows_WComponentPeer
6713 * Method: enable
6714 * Signature: ()V
6715 */
6716 JNIEXPORT void JNICALL
6717 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6718 {
6719 TRY;
6720
6721 jobject selfGlobalRef = env->NewGlobalRef(self);
6722
6723 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6724 // selfGlobalRef is deleted in _Enable
6725
6726 CATCH_BAD_ALLOC;
6727 }
6728
6729 /*
6730 * Class: sun_awt_windows_WComponentPeer
6731 * Method: disable
6732 * Signature: ()V
6733 */
6734 JNIEXPORT void JNICALL
6735 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6736 {
6737 TRY;
6738
6739 jobject selfGlobalRef = env->NewGlobalRef(self);
6740
6741 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6742 // selfGlobalRef is deleted in _Disable
6743
6744 CATCH_BAD_ALLOC;
6745 }
6746
6747 /*
6748 * Class: sun_awt_windows_WComponentPeer
6749 * Method: getLocationOnScreen
6750 * Signature: ()Ljava/awt/Point;
6751 */
6752 JNIEXPORT jobject JNICALL
6753 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6754 {
6755 TRY;
6756
6757 jobject selfGlobalRef = env->NewGlobalRef(self);
6758
6759 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6760 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6761 // selfGlobalRef is deleted in _GetLocationOnScreen
6762 if (resultGlobalRef != NULL)
6763 {
6764 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6765 env->DeleteGlobalRef(resultGlobalRef);
6766 return resultLocalRef;
6767 }
6768
6769 return NULL;
6770
6771 CATCH_BAD_ALLOC_RET(NULL);
6772 }
6773
6774 /*
6775 * Class: sun_awt_windows_WComponentPeer
6776 * Method: reshape
6777 * Signature: (IIII)V
6778 */
6779 JNIEXPORT void JNICALL
6780 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6781 jint x, jint y, jint w, jint h)
6782 {
6783 TRY;
6784
6785 ReshapeStruct *rs = new ReshapeStruct;
6786 rs->component = env->NewGlobalRef(self);
6787 rs->x = x;
6788 rs->y = y;
6789 rs->w = w;
6790 rs->h = h;
6791
6792 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6793 // global ref and rs are deleted in _Reshape
6794
6795 CATCH_BAD_ALLOC;
6796 }
6797
6798 /*
6799 * Class: sun_awt_windows_WComponentPeer
6800 * Method: reshape
6801 * Signature: (IIII)V
6802 */
6803 JNIEXPORT void JNICALL
6804 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6805 jint x, jint y, jint w, jint h)
6806 {
6807 TRY;
6808
6809 ReshapeStruct *rs = new ReshapeStruct;
6810 rs->component = env->NewGlobalRef(self);
6811 rs->x = x;
6812 rs->y = y;
6813 rs->w = w;
6814 rs->h = h;
6815
6816 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6817 // global ref and rs are deleted in _ReshapeNoCheck
6818
6819 CATCH_BAD_ALLOC;
6820 }
6821
6822
6823 /*
6824 * Class: sun_awt_windows_WComponentPeer
6825 * Method: nativeHandleEvent
6826 * Signature: (Ljava/awt/AWTEvent;)V
6827 */
6828 JNIEXPORT void JNICALL
6829 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6830 jobject self,
6831 jobject event)
6832 {
6833 TRY;
6834
6835 jobject selfGlobalRef = env->NewGlobalRef(self);
6836 jobject eventGlobalRef = env->NewGlobalRef(event);
6837
6838 NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6839 nhes->component = selfGlobalRef;
6840 nhes->event = eventGlobalRef;
6841
6842 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6843 // global refs and nhes are deleted in _NativeHandleEvent
6844
6845 CATCH_BAD_ALLOC;
6846 }
6847
6848 /*
6849 * Class: sun_awt_windows_WComponentPeer
6850 * Method: _dispose
6851 * Signature: ()V
6852 */
6853 JNIEXPORT void JNICALL
6854 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6855 {
6856 TRY_NO_HANG;
6857
6858 AwtObject::_Dispose(self);
6859
6860 CATCH_BAD_ALLOC;
6861 }
6862
6863 /*
6864 * Class: sun_awt_windows_WComponentPeer
6865 * Method: _setForeground
6866 * Signature: (I)V
6867 */
6868 JNIEXPORT void JNICALL
6869 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6870 jint rgb)
6871 {
6872 TRY;
6873
6874 jobject selfGlobalRef = env->NewGlobalRef(self);
6875
6876 SetColorStruct *scs = new SetColorStruct;
6877 scs->component = selfGlobalRef;
6878 scs->rgb = rgb;
6879
6880 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6881 // selfGlobalRef and scs are deleted in _SetForeground()
6882
6883 CATCH_BAD_ALLOC;
6884 }
6885
6886 /*
6887 * Class: sun_awt_windows_WComponentPeer
6888 * Method: _setBackground
6889 * Signature: (I)V
6890 */
6891 JNIEXPORT void JNICALL
6892 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6893 jint rgb)
6894 {
6895 TRY;
6896
6897 jobject selfGlobalRef = env->NewGlobalRef(self);
6898
6899 SetColorStruct *scs = new SetColorStruct;
6900 scs->component = selfGlobalRef;
6901 scs->rgb = rgb;
6902
6903 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6904 // selfGlobalRef and scs are deleted in _SetBackground()
6905
6906 CATCH_BAD_ALLOC;
6907 }
6908
6909 /*
6910 * Class: sun_awt_windows_WComponentPeer
6911 * Method: _setFont
6912 * Signature: (Ljava/awt/Font;)V
6913 */
6914 JNIEXPORT void JNICALL
6915 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6916 jobject font)
6917 {
6918 TRY;
6919
6920 jobject selfGlobalRef = env->NewGlobalRef(self);
6921 jobject fontGlobalRef = env->NewGlobalRef(font);
6922
6923 SetFontStruct *sfs = new SetFontStruct;
6924 sfs->component = selfGlobalRef;
6925 sfs->font = fontGlobalRef;
6926
6927 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6928 // global refs and sfs are deleted in _SetFont()
6929
6930 CATCH_BAD_ALLOC;
6931 }
6932
6933 /*
6934 * Class: sun_awt_windows_WComponentPeer
6935 * Method: focusGained
6936 * Signature: (Z)
6937 */
6938 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6939 (JNIEnv *env, jobject self, jboolean doSetFocus)
6940 {
6941 TRY;
6942
6943 jobject selfGlobalRef = env->NewGlobalRef(self);
6944
6945 SetFocusStruct *sfs = new SetFocusStruct;
6946 sfs->component = selfGlobalRef;
6947 sfs->doSetFocus = doSetFocus;
6948
6949 AwtToolkit::GetInstance().SyncCall(
6950 (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6951 // global refs and self are deleted in _SetFocus
6952
6953 CATCH_BAD_ALLOC;
6954 }
6955
6956 /*
6957 * Class: sun_awt_windows_WComponentPeer
6958 * Method: start
6959 * Signature: ()V
6960 */
6961 JNIEXPORT void JNICALL
6962 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6963 {
6964 TRY;
6965
6966 jobject selfGlobalRef = env->NewGlobalRef(self);
6967
6968 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6969 // selfGlobalRef is deleted in _Start
6970
6971 CATCH_BAD_ALLOC;
6972 }
6973
6974 /*
6975 * Class: sun_awt_windows_WComponentPeer
6976 * Method: beginValidate
6977 * Signature: ()V
6978 */
6979 JNIEXPORT void JNICALL
6980 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6981 {
6982 TRY;
6983
6984 jobject selfGlobalRef = env->NewGlobalRef(self);
6985
6986 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6987 // selfGlobalRef is deleted in _BeginValidate
6988
6989 CATCH_BAD_ALLOC;
6990 }
6991
6992 /*
6993 * Class: sun_awt_windows_WComponentPeer
6994 * Method: endValidate
6995 * Signature: ()V
6996 */
6997 JNIEXPORT void JNICALL
6998 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6999 {
7000 TRY;
7001
7002 jobject selfGlobalRef = env->NewGlobalRef(self);
7003
7004 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
7005 // selfGlobalRef is deleted in _EndValidate
7006
7007 CATCH_BAD_ALLOC;
7008 }
7009
7010 JNIEXPORT void JNICALL
7011 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
7012 {
7013 TRY;
7014
7015 jobject selfGlobalRef = env->NewGlobalRef(self);
7016
7017 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
7018 // selfGlobalRef is deleted in _UpdateWindow
7019
7020 CATCH_BAD_ALLOC;
7021 }
7022
7023 /*
7024 * Class: sun_awt_windows_WComponentPeer
7025 * Method: addNativeDropTarget
7026 * Signature: ()L
7027 */
7028
7029 JNIEXPORT jlong JNICALL
7030 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
7031 jobject self)
7032 {
7033 TRY;
7034
7035 jobject selfGlobalRef = env->NewGlobalRef(self);
7036
7037 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
7038 (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
7039 (void *)selfGlobalRef));
7040 // selfGlobalRef is deleted in _AddNativeDropTarget
7041
7042 CATCH_BAD_ALLOC_RET(0);
7043 }
7044
7045 /*
7046 * Class: sun_awt_windows_WComponentPeer
7047 * Method: removeNativeDropTarget
7048 * Signature: ()V
7049 */
7050
7051 JNIEXPORT void JNICALL
7052 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
7053 jobject self)
7054 {
7055 TRY;
7056
7057 jobject selfGlobalRef = env->NewGlobalRef(self);
7058
7059 AwtToolkit::GetInstance().SyncCall(
7060 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
7061 // selfGlobalRef is deleted in _RemoveNativeDropTarget
7062
7063 CATCH_BAD_ALLOC;
7064 }
7065
7066 /*
7067 * Class: sun_awt_windows_WComponentPeer
7068 * Method: getTargetGC
7069 * Signature: ()Ljava/awt/GraphicsConfiguration;
7070 */
7071 JNIEXPORT jobject JNICALL
7072 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
7073 {
7074 TRY;
7075
7076 jobject targetObj;
7077 jobject gc = 0;
7078
7079 targetObj = env->GetObjectField(theThis, AwtObject::targetID);
7080 DASSERT(targetObj);
7081
7082 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
7083 return gc;
7084
7085 CATCH_BAD_ALLOC_RET(NULL);
7086 }
7087
7088 /*
7089 * Class: sun_awt_windows_WComponentPeer
7090 * Method: createPrintedPixels
7091 * Signature: (IIIIII)I[
7092 */
7093 JNIEXPORT jintArray JNICALL
7094 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
7095 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
7096 {
7097 TRY;
7098
7099 jobject selfGlobalRef = env->NewGlobalRef(self);
7100
7101 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
7102 cpps->component = selfGlobalRef;
7103 cpps->srcx = srcX;
7104 cpps->srcy = srcY;
7105 cpps->srcw = srcW;
7106 cpps->srch = srcH;
7107 cpps->alpha = alpha;
7108
7109 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
7110 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
7111 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
7112 if (globalRef != NULL)
7113 {
7114 jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
7115 env->DeleteGlobalRef(globalRef);
7116 return localRef;
7117 }
7118 else
7119 {
7120 return NULL;
7121 }
7122
7123 CATCH_BAD_ALLOC_RET(NULL);
7124 }
7125
7126 /*
7127 * Class: sun_awt_windows_WComponentPeer
7128 * Method: nativeHandlesWheelScrolling
7129 * Signature: ()Z
7130 */
7131 JNIEXPORT jboolean JNICALL
7132 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
7133 jobject self)
7134 {
7135 TRY;
7136
7137 return (jboolean)((intptr_t)AwtToolkit::GetInstance().SyncCall(
7138 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
7139 env->NewGlobalRef(self)));
7140 // global ref is deleted in _NativeHandlesWheelScrolling
7141
7142 CATCH_BAD_ALLOC_RET(NULL);
7143 }
7144
7145 /*
7146 * Class: sun_awt_windows_WComponentPeer
7147 * Method: isObscured
7148 * Signature: ()Z
7149 */
7150 JNIEXPORT jboolean JNICALL
7151 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
7152 jobject self)
7153 {
7154 TRY;
7155
7156 jobject selfGlobalRef = env->NewGlobalRef(self);
7157
7158 return (jboolean)((intptr_t)AwtToolkit::GetInstance().SyncCall(
7159 (void*(*)(void*))AwtComponent::_IsObscured,
7160 (void *)selfGlobalRef));
7161 // selfGlobalRef is deleted in _IsObscured
7162
7163 CATCH_BAD_ALLOC_RET(NULL);
7164 }
7165
7166 JNIEXPORT void JNICALL
7167 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
7168 TRY;
7169
7170 SetParentStruct * data = new SetParentStruct;
7171 data->component = env->NewGlobalRef(self);
7172 data->parentComp = env->NewGlobalRef(parent);
7173
7174 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetParent, data);
7175 // global refs and data are deleted in SetParent
7176
7177 CATCH_BAD_ALLOC;
7178 }
7179
7180 JNIEXPORT void JNICALL
7181 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
7182 jint x1, jint y1, jint x2, jint y2, jobject region)
7183 {
7184 TRY;
7185
7186 SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
7187 data->component = env->NewGlobalRef(self);
7188 data->x1 = x1;
7189 data->x2 = x2;
7190 data->y1 = y1;
7191 data->y2 = y2;
7192 if (region) {
7193 data->region = env->NewGlobalRef(region);
7194 } else {
7195 data->region = NULL;
7196 }
7197
7198 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
7199 // global refs and data are deleted in _SetRectangularShape
7200
7201 CATCH_BAD_ALLOC;
7202 }
7203
7204 JNIEXPORT void JNICALL
7205 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
7206 {
7207 TRY;
7208
7209 SetZOrderStruct * data = new SetZOrderStruct;
7210 data->component = env->NewGlobalRef(self);
7211 data->above = above;
7212
7213 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
7214 // global refs and data are deleted in _SetLower
7215
7216 CATCH_BAD_ALLOC;
7217 }
7218
7219 } /* extern "C" */
7220
7221
7222 /************************************************************************
7223 * Diagnostic routines
7224 */
7225
7226 #ifdef DEBUG
7227
7228 void AwtComponent::VerifyState()
7229 {
7230 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7231 return;
7232 }
7233
7234 if (m_callbacksEnabled == FALSE) {
7235 /* Component is not fully setup yet. */
7236 return;
7237 }
7238
7239 /* Get target bounds. */
7240 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7241 if (env->PushLocalFrame(10) < 0)
7242 return;
7243
7244 jobject target = GetTarget(env);
7245
7246 jint x = env->GetIntField(target, AwtComponent::xID);
7247 jint y = env->GetIntField(target, AwtComponent::yID);
7248 jint width = env->GetIntField(target, AwtComponent::widthID);
7249 jint height = env->GetIntField(target, AwtComponent::heightID);
7250
7251 /* Convert target origin to absolute coordinates */
7252 while (TRUE) {
7253
7254 jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7255 if (parent == NULL) {
7256 break;
7257 }
7258 x += env->GetIntField(parent, AwtComponent::xID);
7259 y += env->GetIntField(parent, AwtComponent::yID);
7260
7261 /* If this component has insets, factor them in, but ignore
7262 * top-level windows.
7263 */
7264 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7265 if (parent2 != NULL) {
7266 jobject peer = GetPeerForTarget(env, parent);
7267 if (peer != NULL &&
7268 JNU_IsInstanceOfByName(env, peer,
7269 "sun/awt/windows/WPanelPeer") > 0) {
7270 jobject insets =
7271 JNU_CallMethodByName(env, NULL, peer,"insets",
7272 "()Ljava/awt/Insets;").l;
7273 x += (env)->GetIntField(insets, AwtInsets::leftID);
7274 y += (env)->GetIntField(insets, AwtInsets::topID);
7275 }
7276 }
7277 env->DeleteLocalRef(target);
7278 target = parent;
7279 }
7280
7281 x = ScaleUpX(x);
7282 y = ScaleUpY(y);
7283 width = ScaleUpX(width);
7284 height = ScaleUpY(height);
7285
7286 // Test whether component's bounds match the native window's
7287 RECT rect;
7288 VERIFY(::GetWindowRect(GetHWnd(), &rect));
7289 #if 0
7290 DASSERT( (x == rect.left) &&
7291 (y == rect.top) &&
7292 (width == (rect.right-rect.left)) &&
7293 (height == (rect.bottom-rect.top)) );
7294 #else
7295 BOOL fSizeValid = ( (x == rect.left) &&
7296 (y == rect.top) &&
7297 (width == (rect.right-rect.left)) &&
7298 (height == (rect.bottom-rect.top)) );
7299 #endif
7300
7301 // See if visible state matches
7302 BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7303 jboolean targetVisible;
7304 // To avoid possibly running client code on the toolkit thread, don't
7305 // do the following check if we're running on the toolkit thread.
7306 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7307 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7308 "isShowing", "()Z").z;
7309 DASSERT(!safe_ExceptionOccurred(env));
7310 } else {
7311 targetVisible = wndVisible ? 1 : 0;
7312 }
7313 #if 0
7314 DASSERT( (targetVisible && wndVisible) ||
7315 (!targetVisible && !wndVisible) );
7316 #else
7317 BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7318 (!targetVisible && !wndVisible) );
7319 #endif
7320
7321 // Check enabled state
7322 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7323 jboolean enabled = (jboolean)env->GetBooleanField(target,
7324 AwtComponent::enabledID);
7325 #if 0
7326 DASSERT( (enabled && wndEnabled) ||
7327 (!enabled && !wndEnabled) );
7328 #else
7329 BOOL fEnabledValid = ((enabled && wndEnabled) ||
7330 (!(enabled && !wndEnabled) ));
7331
7332 if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7333 printf("AwtComponent::ValidateState() failed:\n");
7334 // To avoid possibly running client code on the toolkit thread, don't
7335 // do the following call if we're running on the toolkit thread.
7336 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7337 jstring targetStr =
7338 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7339 "getName",
7340 "()Ljava/lang/String;").l;
7341 DASSERT(!safe_ExceptionOccurred(env));
7342 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7343 printf("\t%S\n", targetStrW);
7344 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7345 }
7346 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height);
7347 if (!fSizeValid) {
7348 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7349 rect.right-rect.left, rect.bottom-rect.top);
7350 }
7351 if (!fVisibleValid) {
7352 printf("\tshould be: %s\n",
7353 (targetVisible) ? "visible" : "hidden");
7354 }
7355 if (!fEnabledValid) {
7356 printf("\tshould be: %s\n",
7357 enabled ? "enabled" : "disabled");
7358 }
7359 }
7360 #endif
7361 env->PopLocalFrame(0);
7362 }
7363 #endif //DEBUG
7364
7365 // Methods for globally managed DC list
7366
7367 /**
7368 * Add a new DC to the DC list for this component.
7369 */
7370 void DCList::AddDC(HDC hDC, HWND hWnd)
7371 {
7372 DCItem *newItem = new DCItem;
7373 newItem->hDC = hDC;
7374 newItem->hWnd = hWnd;
7375 AddDCItem(newItem);
7376 }
7377
7378 void DCList::AddDCItem(DCItem *newItem)
7379 {
7380 listLock.Enter();
7381 newItem->next = head;
7382 head = newItem;
7383 listLock.Leave();
7384 }
7385
7386 /**
7387 * Given a DC and window handle, remove the DC from the DC list
7388 * and return TRUE if it exists on the current list. Otherwise
7389 * return FALSE.
7390 * A DC may not exist on the list because it has already
7391 * been released elsewhere (for example, the window
7392 * destruction process may release a DC while a rendering
7393 * thread may also want to release a DC when it notices that
7394 * its DC is obsolete for the current window).
7395 */
7396 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd)
7397 {
7398 listLock.Enter();
7399 DCItem **prevPtrPtr = &head;
7400 DCItem *listPtr = head;
7401 while (listPtr) {
7402 DCItem *nextPtr = listPtr->next;
7403 if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) {
7404 *prevPtrPtr = nextPtr;
7405 break;
7406 }
7407 prevPtrPtr = &listPtr->next;
7408 listPtr = nextPtr;
7409 }
7410 listLock.Leave();
7411 return listPtr;
7412 }
7413
7414 /**
7415 * Remove all DCs from the DC list which are associated with
7416 * the same window as hWnd. Return the list of those
7417 * DC's to the caller (which will then probably want to
7418 * call ReleaseDC() for the returned DCs).
7419 */
7420 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7421 {
7422 listLock.Enter();
7423 DCItem **prevPtrPtr = &head;
7424 DCItem *listPtr = head;
7425 DCItem *newListPtr = NULL;
7426 BOOL ret = FALSE;
7427 while (listPtr) {
7428 DCItem *nextPtr = listPtr->next;
7429 if (listPtr->hWnd == hWnd) {
7430 *prevPtrPtr = nextPtr;
7431 listPtr->next = newListPtr;
7432 newListPtr = listPtr;
7433 } else {
7434 prevPtrPtr = &listPtr->next;
7435 }
7436 listPtr = nextPtr;
7437 }
7438 listLock.Leave();
7439 return newListPtr;
7440 }
7441
7442
7443 /**
7444 * Realize palettes of all existing HDC objects
7445 */
7446 void DCList::RealizePalettes(int screen)
7447 {
7448 listLock.Enter();
7449 DCItem *listPtr = head;
7450 while (listPtr) {
7451 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7452 listPtr = listPtr->next;
7453 }
7454 listLock.Leave();
7455 }
7456
7457 void MoveDCToPassiveList(HDC hDC, HWND hWnd) {
7458 DCItem *removedDC;
7459 if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) {
7460 passiveDCList.AddDCItem(removedDC);
7461 }
7462 }
7463
7464 void ReleaseDCList(HWND hwnd, DCList &list) {
7465 DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7466 while (removedDCs) {
7467 DCItem *tmpDCList = removedDCs;
7468 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7469 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7470 VERIFY(retValue != 0);
7471 if (retValue != 0) {
7472 // Valid ReleaseDC call; need to decrement GDI object counter
7473 AwtGDIObject::Decrement();
7474 }
7475 removedDCs = removedDCs->next;
7476 delete tmpDCList;
7477 }
7478 }