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