1 /*
2 * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "awt.h"
27
28 #include <windowsx.h>
29 #include <zmouse.h>
30
31 #include "jlong.h"
32 #include "awt_AWTEvent.h"
33 #include "awt_BitmapUtil.h"
34 #include "awt_Component.h"
35 #include "awt_Cursor.h"
36 #include "awt_Dimension.h"
37 #include "awt_Frame.h"
38 #include "awt_InputEvent.h"
39 #include "awt_InputTextInfor.h"
40 #include "awt_Insets.h"
41 #include "awt_KeyEvent.h"
42 #include "awt_MenuItem.h"
43 #include "awt_MouseEvent.h"
44 #include "awt_Palette.h"
45 #include "awt_Toolkit.h"
46 #include "awt_Window.h"
47 #include "awt_Win32GraphicsDevice.h"
48 #include "Hashtable.h"
49 #include "ComCtl32Util.h"
50
51 #include <Region.h>
52
53 #include <jawt.h>
54
55 #include <java_awt_Toolkit.h>
56 #include <java_awt_FontMetrics.h>
57 #include <java_awt_Color.h>
58 #include <java_awt_Event.h>
59 #include <java_awt_event_KeyEvent.h>
60 #include <java_awt_Insets.h>
61 #include <sun_awt_windows_WPanelPeer.h>
62 #include <java_awt_event_InputEvent.h>
63 #include <java_awt_event_InputMethodEvent.h>
64 #include <sun_awt_windows_WInputMethod.h>
65 #include <java_awt_event_MouseEvent.h>
66 #include <java_awt_event_MouseWheelEvent.h>
67
68 // Begin -- Win32 SDK include files
69 #include <imm.h>
70 #include <ime.h>
71 // End -- Win32 SDK include files
72
73 #include <awt_DnDDT.h>
74
75 LPCTSTR szAwtComponentClassName = TEXT("SunAwtComponent");
76 // register a message that no other window in the process (even in a plugin
77 // scenario) will be using
78 const UINT AwtComponent::WmAwtIsComponent =
79 ::RegisterWindowMessage(szAwtComponentClassName);
80
81 static HWND g_hwndDown = NULL;
82 static DCList activeDCList;
83 static DCList passiveDCList;
84
85 extern void CheckFontSmoothingSettings(HWND);
86
87 extern "C" {
88 // Remember the input language has changed by some user's action
89 // (Alt+Shift or through the language icon on the Taskbar) to control the
90 // race condition between the toolkit thread and the AWT event thread.
91 // This flag remains TRUE until the next WInputMethod.getNativeLocale() is
92 // issued.
93 BOOL g_bUserHasChangedInputLang = FALSE;
94 }
95
96 BOOL AwtComponent::sm_suppressFocusAndActivation = FALSE;
97 BOOL AwtComponent::sm_restoreFocusAndActivation = FALSE;
98 HWND AwtComponent::sm_focusOwner = NULL;
99 HWND AwtComponent::sm_focusedWindow = NULL;
100 BOOL AwtComponent::sm_bMenuLoop = FALSE;
101 AwtComponent* AwtComponent::sm_getComponentCache = NULL;
102 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE;
103
104 /************************************************************************/
105 // Struct for _Reshape() and ReshapeNoCheck() methods
106 struct ReshapeStruct {
107 jobject component;
108 jint x, y;
109 jint w, h;
110 };
111 // Struct for _NativeHandleEvent() method
112 struct NativeHandleEventStruct {
113 jobject component;
114 jobject event;
115 };
116 // Struct for _SetForeground() and _SetBackground() methods
117 struct SetColorStruct {
118 jobject component;
119 jint rgb;
120 };
121 // Struct for _SetFont() method
122 struct SetFontStruct {
123 jobject component;
124 jobject font;
125 };
126 // Struct for _CreatePrintedPixels() method
127 struct CreatePrintedPixelsStruct {
128 jobject component;
129 int srcx, srcy;
130 int srcw, srch;
131 jint alpha;
132 };
133 // Struct for _SetRectangularShape() method
134 struct SetRectangularShapeStruct {
135 jobject component;
136 jint x1, x2, y1, y2;
137 jobject region;
138 };
139 // Struct for _GetInsets function
140 struct GetInsetsStruct {
141 jobject window;
142 RECT *insets;
143 };
144 // Struct for _SetZOrder function
145 struct SetZOrderStruct {
146 jobject component;
147 jlong above;
148 };
149 // Struct for _SetFocus function
150 struct SetFocusStruct {
151 jobject component;
152 jboolean doSetFocus;
153 };
154 /************************************************************************/
155
156 //////////////////////////////////////////////////////////////////////////
157
158 /*************************************************************************
159 * AwtComponent fields
160 */
161
162
163 jfieldID AwtComponent::peerID;
164 jfieldID AwtComponent::xID;
165 jfieldID AwtComponent::yID;
166 jfieldID AwtComponent::widthID;
167 jfieldID AwtComponent::heightID;
168 jfieldID AwtComponent::visibleID;
169 jfieldID AwtComponent::backgroundID;
170 jfieldID AwtComponent::foregroundID;
171 jfieldID AwtComponent::enabledID;
172 jfieldID AwtComponent::parentID;
173 jfieldID AwtComponent::graphicsConfigID;
174 jfieldID AwtComponent::peerGCID;
175 jfieldID AwtComponent::focusableID;
176 jfieldID AwtComponent::appContextID;
177 jfieldID AwtComponent::cursorID;
178 jfieldID AwtComponent::hwndID;
179
180 jmethodID AwtComponent::getFontMID;
181 jmethodID AwtComponent::getToolkitMID;
182 jmethodID AwtComponent::isEnabledMID;
183 jmethodID AwtComponent::getLocationOnScreenMID;
184 jmethodID AwtComponent::replaceSurfaceDataMID;
185 jmethodID AwtComponent::replaceSurfaceDataLaterMID;
186 jmethodID AwtComponent::disposeLaterMID;
187
188 HKL AwtComponent::m_hkl = ::GetKeyboardLayout(0);
189 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0));
190 UINT AwtComponent::m_CodePage
191 = AwtComponent::LangToCodePage(m_idLang);
192
193 jint *AwtComponent::masks;
194
195 static BOOL bLeftShiftIsDown = false;
196 static BOOL bRightShiftIsDown = false;
197 static UINT lastShiftKeyPressed = 0; // init to safe value
198
199 // Added by waleed to initialize the RTL Flags
200 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC ||
201 PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW;
202 BOOL AwtComponent::sm_rtlReadingOrder =
203 PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC;
204
205 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE;
206
207 HWND AwtComponent::sm_cursorOn;
208 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE;
209
210 CriticalSection windowMoveLock;
211 BOOL windowMoveLockHeld = FALSE;
212
213 /************************************************************************
214 * AwtComponent methods
215 */
216
217 AwtComponent::AwtComponent()
218 {
219 m_mouseButtonClickAllowed = 0;
220 m_callbacksEnabled = FALSE;
221 m_hwnd = NULL;
222
223 m_colorForeground = 0;
224 m_colorBackground = 0;
225 m_backgroundColorSet = FALSE;
226 m_penForeground = NULL;
227 m_brushBackground = NULL;
228 m_DefWindowProc = NULL;
229 m_nextControlID = 1;
230 m_childList = NULL;
231 m_myControlID = 0;
232 m_hdwp = NULL;
233 m_validationNestCount = 0;
234
235 m_dropTarget = NULL;
236
237 m_InputMethod = NULL;
238 m_useNativeCompWindow = TRUE;
239 m_PendingLeadByte = 0;
240 m_bitsCandType = 0;
241
242 windowMoveLockPosX = 0;
243 windowMoveLockPosY = 0;
244 windowMoveLockPosCX = 0;
245 windowMoveLockPosCY = 0;
246
247 m_hCursorCache = NULL;
248
249 m_bSubclassed = FALSE;
250 m_bPauseDestroy = FALSE;
251
252 m_MessagesProcessing = 0;
253 m_wheelRotationAmount = 0;
254 if (!sm_PrimaryDynamicTableBuilt) {
255 // do it once.
256 AwtComponent::BuildPrimaryDynamicTable();
257 sm_PrimaryDynamicTableBuilt = TRUE;
258 }
259 }
260
261 AwtComponent::~AwtComponent()
262 {
263 DASSERT(AwtToolkit::IsMainThread());
264
265 /* Disconnect all links. */
266 UnlinkObjects();
267
268 /*
269 * All the messages for this component are processed, native
270 * resources are freed, and Java object is not connected to
271 * the native one anymore. So we can safely destroy component's
272 * handle.
273 */
274 DestroyHWnd();
275
276 if (sm_getComponentCache == this) {
277 sm_getComponentCache = NULL;
278 }
279 }
280
281 void AwtComponent::Dispose()
282 {
283 // NOTE: in case the component/toplevel was focused, Java should
284 // have already taken care of proper transferring it or clearing.
285
286 if (m_hdwp != NULL) {
287 // end any deferred window positioning, regardless
288 // of m_validationNestCount
289 ::EndDeferWindowPos(m_hdwp);
290 }
291
292 // Send final message to release all DCs associated with this component
293 SendMessage(WM_AWT_RELEASE_ALL_DCS);
294
295 /* Stop message filtering. */
296 UnsubclassHWND();
297
298 /* Release global ref to input method */
299 SetInputMethod(NULL, TRUE);
300
301 if (m_childList != NULL)
302 delete m_childList;
303
304 DestroyDropTarget();
305 ReleaseDragCapture(0);
306
307 if (m_myControlID != 0) {
308 AwtComponent* parent = GetParent();
309 if (parent != NULL)
310 parent->RemoveChild(m_myControlID);
311 }
312
313 ::RemoveProp(GetHWnd(), DrawingStateProp);
314
315 /* Release any allocated resources. */
316 if (m_penForeground != NULL) {
317 m_penForeground->Release();
318 m_penForeground = NULL;
319 }
320 if (m_brushBackground != NULL) {
321 m_brushBackground->Release();
322 m_brushBackground = NULL;
323 }
324
325 if (m_bPauseDestroy) {
326 // AwtComponent::WmNcDestroy could be released now
327 m_bPauseDestroy = FALSE;
328 m_hwnd = NULL;
329 }
330
331 // The component instance is deleted using AwtObject::Dispose() method
332 AwtObject::Dispose();
333 }
334
335 /* store component pointer in window extra bytes */
336 void AwtComponent::SetComponentInHWND() {
337 DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL);
338 ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this);
339 }
340
341 /*
342 * static function to get AwtComponent pointer from hWnd --
343 * you don't want to call this from inside a wndproc to avoid
344 * infinite recursion
345 */
346 AwtComponent* AwtComponent::GetComponent(HWND hWnd) {
347 // Requests for Toolkit hwnd resolution happen pretty often. Check first.
348 if (hWnd == AwtToolkit::GetInstance().GetHWnd()) {
349 return NULL;
350 }
351 if (sm_getComponentCache && sm_getComponentCache->GetHWnd() == hWnd) {
352 return sm_getComponentCache;
353 }
354
355 // check that it's an AWT component from the same toolkit as the caller
356 if (::IsWindow(hWnd) &&
357 AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL))
358 {
359 DASSERT(WmAwtIsComponent != 0);
360 if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) {
361 return sm_getComponentCache = GetComponentImpl(hWnd);
362 }
363 }
364 return NULL;
365 }
366
367 /*
368 * static function to get AwtComponent pointer from hWnd--
369 * different from GetComponent because caller knows the
370 * hwnd is an AWT component hwnd
371 */
372 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) {
373 AwtComponent *component =
374 (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA);
375 DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) );
376 DASSERT(!component || component->GetHWnd() == hWnd );
377 return component;
378 }
379
380 /*
381 * Single window proc for all the components. Delegates real work to
382 * the component's WindowProc() member function.
383 */
384 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message,
385 WPARAM wParam, LPARAM lParam)
386 {
387 TRY;
388
389 AwtComponent * self = AwtComponent::GetComponentImpl(hWnd);
390 if (self == NULL || self->GetHWnd() != hWnd ||
391 message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully
392 {
393 return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam);
394 } else {
395 return self->WindowProc(message, wParam, lParam);
396 }
397
398 CATCH_BAD_ALLOC_RET(0);
399 }
400
401 BOOL AwtComponent::IsFocusable() {
402 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
403 jobject peer = GetPeer(env);
404 jobject target = env->GetObjectField(peer, AwtObject::targetID);
405 BOOL res = env->GetBooleanField(target, focusableID);
406 AwtWindow *pCont = GetContainer();
407 if (pCont) {
408 res &= pCont->IsFocusableWindow();
409 }
410 env->DeleteLocalRef(target);
411 return res;
412 }
413
414 /************************************************************************
415 * AwtComponent dynamic methods
416 *
417 * Window class registration routines
418 */
419
420 /*
421 * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon
422 */
423 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc)
424 {
425 lpwc->cbSize = sizeof(WNDCLASSEX);
426 lpwc->style = 0L;//CS_OWNDC;
427 lpwc->lpfnWndProc = (WNDPROC)::DefWindowProc;
428 lpwc->cbClsExtra = 0;
429 lpwc->cbWndExtra = 0;
430 lpwc->hInstance = AwtToolkit::GetInstance().GetModuleHandle(),
431 lpwc->hIcon = AwtToolkit::GetInstance().GetAwtIcon();
432 lpwc->hCursor = NULL;
433 lpwc->hbrBackground = NULL;
434 lpwc->lpszMenuName = NULL;
435 lpwc->lpszClassName = GetClassName();
436 //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32
437 lpwc->hIconSm = AwtToolkit::GetInstance().GetAwtIconSm();
438 }
439
440 void AwtComponent::RegisterClass()
441 {
442 WNDCLASSEX wc;
443 if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) {
444 FillClassInfo(&wc);
445 ATOM ret = ::RegisterClassEx(&wc);
446 DASSERT(ret != 0);
447 }
448 }
449
450 void AwtComponent::UnregisterClass()
451 {
452 ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle());
453 }
454
455 /*
456 * Copy the graphicsConfig reference from Component into WComponentPeer
457 */
458 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer)
459 {
460 jobject target = env->GetObjectField(peer, AwtObject::targetID);
461 //Get graphicsConfig object ref from Component
462 jobject compGC = env->GetObjectField(target,
463 AwtComponent::graphicsConfigID);
464
465 //Set peer's graphicsConfig to Component's graphicsConfig
466 if (compGC != NULL) {
467 jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig");
468 DASSERT(win32GCCls != NULL);
469 DASSERT(env->IsInstanceOf(compGC, win32GCCls));
470 if (win32GCCls == NULL) {
471 throw std::bad_alloc();
472 }
473 env->SetObjectField(peer, AwtComponent::peerGCID, compGC);
474 }
475 }
476
477 void
478 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title,
479 DWORD windowStyle,
480 DWORD windowExStyle,
481 int x, int y, int w, int h,
482 HWND hWndParent, HMENU hMenu,
483 COLORREF colorForeground,
484 COLORREF colorBackground,
485 jobject peer)
486 {
487 if (env->EnsureLocalCapacity(2) < 0) {
488 return;
489 }
490
491 /*
492 * The window class of multifont label must be "BUTTON" because
493 * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject
494 * member is referred in the GetClassName method of AwtLabel class.
495 * So m_peerObject member must be set here.
496 */
497 if (m_peerObject == NULL) {
498 m_peerObject = env->NewGlobalRef(peer);
499 } else {
500 assert(env->IsSameObject(m_peerObject, peer));
501 }
502
503 RegisterClass();
504
505 jobject target = env->GetObjectField(peer, AwtObject::targetID);
506 jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID);
507 m_visible = visible;
508
509 if (visible) {
510 windowStyle |= WS_VISIBLE;
511 } else {
512 windowStyle &= ~WS_VISIBLE;
513 }
514
515 InitPeerGraphicsConfig(env, peer);
516
517 SetLastError(0);
518 HWND hwnd = ::CreateWindowEx(windowExStyle,
519 GetClassName(),
520 title,
521 windowStyle,
522 x, y, w, h,
523 hWndParent,
524 hMenu,
525 AwtToolkit::GetInstance().GetModuleHandle(),
526 NULL);
527
528 // fix for 5088782
529 // check if CreateWindowsEx() returns not null value and if it does -
530 // create an InternalError or OutOfMemoryError based on GetLastError().
531 // This error is set to createError field of WObjectPeer and then
532 // checked and thrown in WComponentPeer constructor. We can't throw an
533 // error here because this code is invoked on Toolkit thread
534 if (hwnd == NULL)
535 {
536 DWORD dw = ::GetLastError();
537 jobject createError = NULL;
538 if (dw == ERROR_OUTOFMEMORY)
539 {
540 jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles");
541 if (errorMsg == NULL || env->ExceptionCheck()) {
542 env->ExceptionClear();
543 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V");
544 } else {
545 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError",
546 "(Ljava/lang/String;)V",
547 errorMsg);
548 env->DeleteLocalRef(errorMsg);
549 }
550 }
551 else
552 {
553 TCHAR *buf;
554 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
555 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
556 (LPTSTR)&buf, 0, NULL);
557 jstring s = JNU_NewStringPlatform(env, buf);
558 if (s == NULL || env->ExceptionCheck()) {
559 env->ExceptionClear();
560 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V");
561 } else {
562 createError = JNU_NewObjectByName(env, "java/lang/InternalError",
563 "(Ljava/lang/String;)V", s);
564 env->DeleteLocalRef(s);
565 }
566 LocalFree(buf);
567 }
568 if (createError != NULL) {
569 env->SetObjectField(peer, AwtObject::createErrorID, createError);
570 env->DeleteLocalRef(createError);
571 }
572 env->DeleteLocalRef(target);
573 return;
574 }
575
576 m_hwnd = hwnd;
577
578 ::ImmAssociateContext(m_hwnd, NULL);
579
580 SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED |
581 (jint)JAWT_LOCK_BOUNDS_CHANGED |
582 (jint)JAWT_LOCK_CLIP_CHANGED);
583
584 LinkObjects(env, peer);
585
586 /* Subclass the window now so that we can snoop on its messages */
587 SubclassHWND();
588
589 /*
590 * Fix for 4046446.
591 */
592 SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE);
593
594 /* Set default colors. */
595 m_colorForeground = colorForeground;
596 m_colorBackground = colorBackground;
597
598 /*
599 * Only set background color if the color is actually set on the
600 * target -- this avoids inheriting a parent's color unnecessarily,
601 * and has to be done here because there isn't an API to get the
602 * real background color from outside the AWT package.
603 */
604 jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ;
605 if (bkgrd != NULL) {
606 JNU_CallMethodByName(env, NULL, peer, "setBackground",
607 "(Ljava/awt/Color;)V", bkgrd);
608 DASSERT(!safe_ExceptionOccurred(env));
609 }
610 env->DeleteLocalRef(target);
611 env->DeleteLocalRef(bkgrd);
612 }
613
614 /*
615 * Destroy this window's HWND
616 */
617 void AwtComponent::DestroyHWnd() {
618 if (m_hwnd != NULL) {
619 AwtToolkit::DestroyComponentHWND(m_hwnd);
620 //AwtToolkit::DestroyComponent(this);
621 m_hwnd = NULL;
622 }
623 }
624
625 /*
626 * Returns hwnd for target on non Toolkit thread
627 */
628 HWND
629 AwtComponent::GetHWnd(JNIEnv* env, jobject target) {
630 if (JNU_IsNull(env, target)) {
631 return 0;
632 }
633 jobject peer = env->GetObjectField(target, AwtComponent::peerID);
634 if (JNU_IsNull(env, peer)) {
635 return 0;
636 }
637 HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> (
638 env->GetLongField(peer, AwtComponent::hwndID)));
639 env->DeleteLocalRef(peer);
640 return hwnd;
641 }
642 //
643 // Propagate the background color to synchronize Java field and peer's field.
644 // This is needed to fix 4148334
645 //
646 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target)
647 {
648 if (env->EnsureLocalCapacity(1) < 0) {
649 return;
650 }
651
652 jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID);
653
654 if (bkgrnd == NULL) {
655 bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V",
656 GetRValue(m_colorBackground),
657 GetGValue(m_colorBackground),
658 GetBValue(m_colorBackground));
659 if (bkgrnd != NULL) {
660 env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd);
661 }
662 }
663 env->DeleteLocalRef(bkgrnd);
664 }
665
666 /*
667 * Install our window proc as the proc for our HWND, and save off the
668 * previous proc as the default
669 */
670 void AwtComponent::SubclassHWND()
671 {
672 if (m_bSubclassed) {
673 return;
674 }
675 const WNDPROC wndproc = WndProc; // let compiler type check WndProc
676 m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc);
677 m_bSubclassed = TRUE;
678 }
679
680 /*
681 * Reinstall the original window proc as the proc for our HWND
682 */
683 void AwtComponent::UnsubclassHWND()
684 {
685 if (!m_bSubclassed) {
686 return;
687 }
688 ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc);
689 m_bSubclassed = FALSE;
690 }
691
692 /////////////////////////////////////
693 // (static method)
694 // Determines the top-level ancestor for a given window. If the given
695 // window is a top-level window, return itself.
696 //
697 // 'Top-level' includes dialogs as well.
698 //
699 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) {
700 if (hwndDescendant == NULL) {
701 return NULL;
702 }
703
704 DASSERT(IsWindow(hwndDescendant));
705 HWND hwnd = hwndDescendant;
706 for(;;) {
707 DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
708 // a) found a non-child window so terminate
709 // b) found real toplevel window (e.g. EmbeddedFrame
710 // that is child though)
711 if ( (style & WS_CHILD) == 0 ||
712 AwtComponent::IsTopLevelHWnd(hwnd) )
713 {
714 break;
715 }
716 hwnd = ::GetParent(hwnd);
717 }
718
719 return hwnd;
720 }
721 ////////////////////
722
723 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) {
724 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
725 if (env->EnsureLocalCapacity(1) < 0) {
726 return NULL;
727 }
728
729 HWND hit = NULL;
730 POINT p = { 0, 0 };
731 AwtComponent *comp = NULL;
732
733 if (useCache) {
734 if (sm_cursorOn == NULL) {
735 return NULL;
736 }
737
738
739 DASSERT(::IsWindow(sm_cursorOn));
740 VERIFY(::GetCursorPos(&p));
741 /*
742 * Fix for BugTraq ID 4304024.
743 * Allow a non-default cursor only for the client area.
744 */
745 comp = AwtComponent::GetComponent(sm_cursorOn);
746 if (comp != NULL &&
747 ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0,
748 MAKELPARAM(p.x, p.y)) == HTCLIENT) {
749 goto found;
750 }
751 }
752
753 ::GetCursorPos(&p);
754 hit = ::WindowFromPoint(p);
755 while (hit != NULL) {
756 comp = AwtComponent::GetComponent(hit);
757
758 if (comp != NULL) {
759 INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST,
760 0, MAKELPARAM(p.x, p.y));
761 /*
762 * Fix for BugTraq ID 4304024.
763 * Allow a non-default cursor only for the client area.
764 */
765 if (nHittest != HTCLIENT) {
766 /*
767 * When over the non-client area, send WM_SETCURSOR
768 * to revert the cursor to an arrow.
769 */
770 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit,
771 MAKELPARAM(nHittest, WM_MOUSEMOVE));
772 return NULL;
773 } else {
774 sm_cursorOn = hit;
775 goto found;
776 }
777 }
778
779 if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) {
780 return NULL;
781 }
782 hit = ::GetParent(hit);
783 }
784
785 return NULL;
786
787 found:
788 jobject localRef = comp->GetTarget(env);
789 jobject globalRef = env->NewGlobalRef(localRef);
790 env->DeleteLocalRef(localRef);
791 return globalRef;
792 }
793
794 void AwtComponent::SetColor(COLORREF c)
795 {
796 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
797 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
798 if (grayscale != GS_NOTGRAY) {
799 int g;
800
801 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
802 .114 * ((c >> 16) & 0xFF) + 0.5);
803 // c = g | (g << 8) | (g << 16);
804 c = PALETTERGB(g, g, g);
805 }
806
807 if (m_colorForeground == c) {
808 return;
809 }
810
811 m_colorForeground = c;
812 if (m_penForeground != NULL) {
813 m_penForeground->Release();
814 m_penForeground = NULL;
815 }
816 VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE));
817 }
818
819 void AwtComponent::SetBackgroundColor(COLORREF c)
820 {
821 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
822 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
823 if (grayscale != GS_NOTGRAY) {
824 int g;
825
826 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
827 .114 * ((c >> 16) & 0xFF) + 0.5);
828 // c = g | (g << 8) | (g << 16);
829 c = PALETTERGB(g, g, g);
830 }
831
832 if (m_colorBackground == c) {
833 return;
834 }
835 m_colorBackground = c;
836 m_backgroundColorSet = TRUE;
837 if (m_brushBackground != NULL) {
838 m_brushBackground->Release();
839 m_brushBackground = NULL;
840 }
841 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
842 }
843
844 HPEN AwtComponent::GetForegroundPen()
845 {
846 if (m_penForeground == NULL) {
847 m_penForeground = AwtPen::Get(m_colorForeground);
848 }
849 return (HPEN)m_penForeground->GetHandle();
850 }
851
852 COLORREF AwtComponent::GetBackgroundColor()
853 {
854 if (m_backgroundColorSet == FALSE) {
855 AwtComponent* c = this;
856 while ((c = c->GetParent()) != NULL) {
857 if (c->IsBackgroundColorSet()) {
858 return c->GetBackgroundColor();
859 }
860 }
861 }
862 return m_colorBackground;
863 }
864
865 HBRUSH AwtComponent::GetBackgroundBrush()
866 {
867 if (m_backgroundColorSet == FALSE) {
868 if (m_brushBackground != NULL) {
869 m_brushBackground->Release();
870 m_brushBackground = NULL;
871 }
872 AwtComponent* c = this;
873 while ((c = c->GetParent()) != NULL) {
874 if (c->IsBackgroundColorSet()) {
875 m_brushBackground =
876 AwtBrush::Get(c->GetBackgroundColor());
877 break;
878 }
879 }
880 }
881 if (m_brushBackground == NULL) {
882 m_brushBackground = AwtBrush::Get(m_colorBackground);
883 }
884 return (HBRUSH)m_brushBackground->GetHandle();
885 }
886
887 void AwtComponent::SetFont(AwtFont* font)
888 {
889 DASSERT(font != NULL);
890 if (font->GetAscent() < 0) {
891 AwtFont::SetupAscent(font);
892 }
893 SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0));
894 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
895 }
896
897 AwtComponent* AwtComponent::GetParent()
898 {
899 HWND hwnd = ::GetParent(GetHWnd());
900 if (hwnd == NULL) {
901 return NULL;
902 }
903 return GetComponent(hwnd);
904 }
905
906 AwtWindow* AwtComponent::GetContainer()
907 {
908 AwtComponent* comp = this;
909 while (comp != NULL) {
910 if (comp->IsContainer()) {
911 return (AwtWindow*)comp;
912 }
913 comp = comp->GetParent();
914 }
915 return NULL;
916 }
917
918 void AwtComponent::Show()
919 {
920 m_visible = true;
921 ::ShowWindow(GetHWnd(), SW_SHOWNA);
922 }
923
924 void AwtComponent::Hide()
925 {
926 m_visible = false;
927 ::ShowWindow(GetHWnd(), SW_HIDE);
928 }
929
930 BOOL
931 AwtComponent::SetWindowPos(HWND wnd, HWND after,
932 int x, int y, int w, int h, UINT flags)
933 {
934 // Conditions we shouldn't handle:
935 // z-order changes, correct window dimensions
936 if (after != NULL || (w < 32767 && h < 32767)
937 || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0))
938 {
939 return ::SetWindowPos(wnd, after, x, y, w, h, flags);
940 }
941 WINDOWPLACEMENT wp;
942 ::ZeroMemory(&wp, sizeof(wp));
943
944 wp.length = sizeof(wp);
945 ::GetWindowPlacement(wnd, &wp);
946 wp.rcNormalPosition.left = x;
947 wp.rcNormalPosition.top = y;
948 wp.rcNormalPosition.right = x + w;
949 wp.rcNormalPosition.bottom = y + h;
950 if ( flags & SWP_NOACTIVATE ) {
951 wp.showCmd = SW_SHOWNOACTIVATE;
952 }
953 ::SetWindowPlacement(wnd, &wp);
954 return 1;
955 }
956
957
958 void AwtComponent::Reshape(int x, int y, int w, int h)
959 {
960 #if defined(DEBUG)
961 RECT rc;
962 ::GetWindowRect(GetHWnd(), &rc);
963 ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2);
964 DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top);
965 #endif
966 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 POINT p = {0, 0}; // upper left corner of the client area
3746 HWND hWnd = GetHWnd();
3747 HWND hTop = GetTopLevelParentForWindow(hWnd);
3748 ::ClientToScreen(hTop, &p);
3749
3750 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) {
3751 if ( m_bitsCandType & bits )
3752 SetCandidateWindow(iCandType, x - p.x, y - p.y);
3753 }
3754 if (m_bitsCandType != 0) {
3755 // REMIND: is there any chance GetProxyFocusOwner() returns NULL here?
3756 ::DefWindowProc(ImmGetHWnd(),
3757 WM_IME_NOTIFY, IMN_OPENCANDIDATE, m_bitsCandType);
3758 }
3759 }
3760
3761 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3762 {
3763 HWND hwnd = ImmGetHWnd();
3764 HIMC hIMC = ImmGetContext(hwnd);
3765 CANDIDATEFORM cf;
3766 cf.dwIndex = iCandType;
3767 cf.dwStyle = CFS_CANDIDATEPOS;
3768 cf.ptCurrentPos.x = x;
3769 cf.ptCurrentPos.y = y;
3770
3771 ImmSetCandidateWindow(hIMC, &cf);
3772 ImmReleaseContext(hwnd, hIMC);
3773 }
3774
3775 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3776 {
3777 // If the Windows input context is disabled, do not let Windows
3778 // display any UIs.
3779 HWND hwnd = ImmGetHWnd();
3780 HIMC hIMC = ImmGetContext(hwnd);
3781 if (hIMC == NULL) {
3782 *lplParam = 0;
3783 return mrDoDefault;
3784 }
3785 ImmReleaseContext(hwnd, hIMC);
3786
3787 if (fSet) {
3788 LPARAM lParam = *lplParam;
3789 if (!m_useNativeCompWindow) {
3790 // stop to draw native composing window.
3791 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3792 }
3793 }
3794 return mrDoDefault;
3795 }
3796
3797 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3798 {
3799 if (!m_useNativeCompWindow && subMsg == IMN_OPENCANDIDATE) {
3800 m_bitsCandType = bitsCandType;
3801 InquireCandidatePosition();
3802 return mrConsume;
3803 }
3804 return mrDoDefault;
3805 }
3806
3807 MsgRouting AwtComponent::WmImeStartComposition()
3808 {
3809 if (m_useNativeCompWindow) {
3810 RECT rc;
3811 ::GetClientRect(GetHWnd(), &rc);
3812 SetCompositionWindow(rc);
3813 return mrDoDefault;
3814 } else
3815 return mrConsume;
3816 }
3817
3818 MsgRouting AwtComponent::WmImeEndComposition()
3819 {
3820 if (m_useNativeCompWindow) return mrDoDefault;
3821
3822 SendInputMethodEvent(
3823 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3824 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3825 return mrConsume;
3826 }
3827
3828 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3829 {
3830 if (m_useNativeCompWindow) return mrDoDefault;
3831
3832 int* bndClauseW = NULL;
3833 jstring* readingClauseW = NULL;
3834 int* bndAttrW = NULL;
3835 BYTE* valAttrW = NULL;
3836 int cClauseW = 0;
3837 AwtInputTextInfor* textInfor = NULL;
3838
3839 try {
3840 HWND hwnd = ImmGetHWnd();
3841 HIMC hIMC = ImmGetContext(hwnd);
3842 DASSERT(hIMC!=0);
3843
3844 textInfor = new AwtInputTextInfor;
3845 textInfor->GetContextData(hIMC, flags);
3846 ImmReleaseContext(hwnd, hIMC);
3847
3848 jstring jtextString = textInfor->GetText();
3849 /* The conditions to send the input method event to AWT EDT are:
3850 1. Whenever there is a composition message sent regarding whether
3851 the composition text is NULL or not. See details at bug 6222692.
3852 2. When there is a committed message sent, in which case, we have to
3853 check whether the committed string is NULL or not. If the committed string
3854 is NULL, there is no need to send any input method event.
3855 (Minor note: 'jtextString' returned is the merged string in the case of
3856 partial commit.)
3857 */
3858 if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
3859 (flags & GCS_COMPSTR)) {
3860 int cursorPosW = textInfor->GetCursorPosition();
3861 // In order not to delete the readingClauseW in the catch clause,
3862 // calling GetAttributeInfor before GetClauseInfor.
3863 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
3864 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
3865
3866 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
3867 the event to AWT EDT.
3868
3869 The last two paremeters are set to equal since we don't have recommendations for
3870 the visible position within the current composed text. See details at
3871 java.awt.event.InputMethodEvent.
3872 */
3873 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3874 jtextString,
3875 cClauseW, bndClauseW, readingClauseW,
3876 cAttrW, bndAttrW, valAttrW,
3877 textInfor->GetCommittedTextLength(),
3878 cursorPosW, cursorPosW);
3879 }
3880 } catch (...) {
3881 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
3882 // the pointer here.
3883 delete [] bndClauseW;
3884 delete [] readingClauseW;
3885 delete [] bndAttrW;
3886 delete [] valAttrW;
3887 throw;
3888 }
3889
3890 /* Free the storage allocated. Since jtextString won't be passed from threads
3891 * to threads, we just use the local ref and it will be deleted within the destructor
3892 * of AwtInputTextInfor object.
3893 */
3894 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3895 if (cClauseW && readingClauseW) {
3896 for (int i = 0; i < cClauseW; i ++) {
3897 if (readingClauseW[i]) {
3898 env->DeleteLocalRef(readingClauseW[i]);
3899 }
3900 }
3901 }
3902 delete [] bndClauseW;
3903 delete [] readingClauseW;
3904 delete [] bndAttrW;
3905 delete [] valAttrW;
3906 delete textInfor;
3907
3908 return mrConsume;
3909 }
3910
3911 //
3912 // generate and post InputMethodEvent
3913 //
3914 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
3915 int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
3916 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
3917 int commitedTextLength, int caretPos, int visiblePos)
3918 {
3919 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3920
3921 // assumption for array type casting
3922 DASSERT(sizeof(int)==sizeof(jint));
3923 DASSERT(sizeof(BYTE)==sizeof(jbyte));
3924
3925 // caluse information
3926 jintArray clauseBoundary = NULL;
3927 jobjectArray clauseReading = NULL;
3928 if (cClause && rgClauseBoundary && rgClauseReading) {
3929 // convert clause boundary offset array to java array
3930 clauseBoundary = env->NewIntArray(cClause+1);
3931 DASSERT(clauseBoundary);
3932 CHECK_NULL(clauseBoundary);
3933 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
3934 DASSERT(!safe_ExceptionOccurred(env));
3935
3936 // convert clause reading string array to java array
3937 jclass stringCls = JNU_ClassString(env);
3938 DASSERT(stringCls);
3939 CHECK_NULL(stringCls);
3940 clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
3941 DASSERT(clauseReading);
3942 CHECK_NULL(clauseReading);
3943 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
3944 DASSERT(!safe_ExceptionOccurred(env));
3945 }
3946
3947
3948 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
3949 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
3950 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
3951 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
3952 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
3953 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
3954
3955 // attribute information
3956 jintArray attrBoundary = NULL;
3957 jbyteArray attrValue = NULL;
3958 if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
3959 // convert attribute boundary offset array to java array
3960 attrBoundary = env->NewIntArray(cAttrBlock+1);
3961 DASSERT(attrBoundary);
3962 CHECK_NULL(attrBoundary);
3963 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
3964 DASSERT(!safe_ExceptionOccurred(env));
3965
3966 // convert attribute value byte array to java array
3967 attrValue = env->NewByteArray(cAttrBlock);
3968 DASSERT(attrValue);
3969 CHECK_NULL(attrValue);
3970 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
3971 DASSERT(!safe_ExceptionOccurred(env));
3972 }
3973
3974
3975 // get global reference of WInputMethod class (run only once)
3976 static jclass wInputMethodCls = NULL;
3977 if (wInputMethodCls == NULL) {
3978 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
3979 DASSERT(wInputMethodClsLocal);
3980 CHECK_NULL(wInputMethodClsLocal);
3981 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
3982 env->DeleteLocalRef(wInputMethodClsLocal);
3983 }
3984
3985 // get method ID of sendInputMethodEvent() (run only once)
3986 static jmethodID sendIMEventMid = 0;
3987 if (sendIMEventMid == 0) {
3988 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
3989 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
3990 DASSERT(sendIMEventMid);
3991 CHECK_NULL(sendIMEventMid);
3992 }
3993
3994 // call m_InputMethod.sendInputMethod()
3995 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0),
3996 text, clauseBoundary, clauseReading, attrBoundary,
3997 attrValue, commitedTextLength, caretPos, visiblePos);
3998 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
3999 DASSERT(!safe_ExceptionOccurred(env));
4000
4001 }
4002
4003
4004
4005 //
4006 // Inquires candidate position according to the composed text
4007 //
4008 void AwtComponent::InquireCandidatePosition()
4009 {
4010 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4011
4012 // get global reference of WInputMethod class (run only once)
4013 static jclass wInputMethodCls = NULL;
4014 if (wInputMethodCls == NULL) {
4015 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4016 DASSERT(wInputMethodClsLocal);
4017 CHECK_NULL(wInputMethodClsLocal);
4018 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4019 env->DeleteLocalRef(wInputMethodClsLocal);
4020 }
4021
4022 // get method ID of sendInputMethodEvent() (run only once)
4023 static jmethodID inqCandPosMid = 0;
4024 if (inqCandPosMid == 0) {
4025 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4026 DASSERT(!safe_ExceptionOccurred(env));
4027 DASSERT(inqCandPosMid);
4028 CHECK_NULL(inqCandPosMid);
4029 }
4030
4031 // call m_InputMethod.sendInputMethod()
4032 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4033 DASSERT(!safe_ExceptionOccurred(env));
4034 }
4035
4036 HWND AwtComponent::ImmGetHWnd()
4037 {
4038 HWND proxy = GetProxyFocusOwner();
4039 return (proxy != NULL) ? proxy : GetHWnd();
4040 }
4041
4042 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4043 {
4044 return ::ImmAssociateContext(ImmGetHWnd(), himc);
4045 }
4046
4047 HWND AwtComponent::GetProxyFocusOwner()
4048 {
4049 AwtWindow *window = GetContainer();
4050 if (window != 0) {
4051 AwtFrame *owner = window->GetOwningFrameOrDialog();
4052 if (owner != 0) {
4053 return owner->GetProxyFocusOwner();
4054 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4055 return ((AwtFrame*)window)->GetProxyFocusOwner();
4056 }
4057 }
4058 return (HWND)NULL;
4059 }
4060
4061 /* Call DefWindowProc for the focus proxy, if any */
4062 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4063 LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4064 {
4065 if (mr != mrConsume) {
4066 HWND proxy = GetProxyFocusOwner();
4067 if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4068 retVal = ComCtl32Util::GetInstance().DefWindowProc(NULL, proxy, message, wParam, lParam);
4069 mr = mrConsume;
4070 }
4071 }
4072 }
4073
4074 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4075 {
4076 /* Menu/Accelerator */
4077 if (hWndChild == 0) {
4078 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4079 if (obj == NULL) {
4080 return mrConsume;
4081 }
4082 DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4083 obj->DoCommand();
4084 return mrConsume;
4085 }
4086 /* Child id notification */
4087 else {
4088 AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4089 if (child) {
4090 child->WmNotify(notifyCode);
4091 }
4092 }
4093 return mrDoDefault;
4094 }
4095
4096 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4097 {
4098 return mrDoDefault;
4099 }
4100
4101 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4102 COMPAREITEMSTRUCT &compareInfo,
4103 LRESULT &result)
4104 {
4105 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4106 if (child == this) {
4107 /* DoCallback("handleItemDelete", */
4108 }
4109 else if (child) {
4110 return child->WmCompareItem(ctrlId, compareInfo, result);
4111 }
4112 return mrConsume;
4113 }
4114
4115 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4116 DELETEITEMSTRUCT &deleteInfo)
4117 {
4118 /*
4119 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4120 * window, a WM_DELETEITEM message is sent to its parent with a window
4121 * handle of one of the list's child windows. The property lookup
4122 * succeeds, but the HWNDs don't match.
4123 */
4124 if (deleteInfo.hwndItem == NULL) {
4125 return mrConsume;
4126 }
4127 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4128
4129 if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4130 return mrConsume;
4131 }
4132
4133 if (child == this) {
4134 /*DoCallback("handleItemDelete", */
4135 }
4136 else if (child) {
4137 return child->WmDeleteItem(ctrlId, deleteInfo);
4138 }
4139 return mrConsume;
4140 }
4141
4142 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4143 {
4144 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4145
4146 if (drawInfo.CtlType == ODT_MENU) {
4147 if (drawInfo.itemData != 0) {
4148 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4149 menu->DrawItem(drawInfo);
4150 }
4151 } else {
4152 return OwnerDrawItem(ctrlId, drawInfo);
4153 }
4154 return mrConsume;
4155 }
4156
4157 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4158 MEASUREITEMSTRUCT &measureInfo)
4159 {
4160 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4161
4162 if (measureInfo.CtlType == ODT_MENU) {
4163 if (measureInfo.itemData != 0) {
4164 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4165 HDC hDC = ::GetDC(GetHWnd());
4166 /* menu->MeasureItem(env, hDC, measureInfo); */
4167 menu->MeasureItem(hDC, measureInfo);
4168 ::ReleaseDC(GetHWnd(), hDC);
4169 }
4170 } else {
4171 return OwnerMeasureItem(ctrlId, measureInfo);
4172 }
4173 return mrConsume;
4174 }
4175
4176 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4177 DRAWITEMSTRUCT &drawInfo)
4178 {
4179 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4180 if (child == this) {
4181 /* DoCallback("handleItemDelete", */
4182 } else if (child != NULL) {
4183 return child->WmDrawItem(ctrlId, drawInfo);
4184 }
4185 return mrConsume;
4186 }
4187
4188 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4189 MEASUREITEMSTRUCT &measureInfo)
4190 {
4191 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4192 AwtComponent* child = AwtComponent::GetComponent(hChild);
4193 /*
4194 * If the parent cannot find the child's instance from its handle,
4195 * maybe the child is in its creation. So the child must be searched
4196 * from the list linked before the child's creation.
4197 */
4198 if (child == NULL) {
4199 child = SearchChild((UINT)ctrlId);
4200 }
4201
4202 if (child == this) {
4203 /* DoCallback("handleItemDelete", */
4204 }
4205 else if (child) {
4206 return child->WmMeasureItem(ctrlId, measureInfo);
4207 }
4208 return mrConsume;
4209 }
4210
4211 /* for WmDrawItem method of Label, Button and Checkbox */
4212 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4213 int x, int y)
4214 {
4215 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4216 DASSERT(nOldBkMode != 0);
4217 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4218 VERIFY(::SetBkMode(hDC,nOldBkMode));
4219 }
4220
4221 /*
4222 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4223 * component is disabled. Used only for label, checkbox and button in
4224 * OWNER_DRAW. It draws the text in emboss.
4225 */
4226 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4227 int x, int y)
4228 {
4229 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4230 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4231 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4232 AwtComponent::DrawWindowText(hDC, font, text, x, y);
4233 }
4234
4235 /* for WmMeasureItem method of List and Choice */
4236 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4237 {
4238 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4239 "(I)Ljava/lang/String;",
4240 index).l;
4241 DASSERT(!safe_ExceptionOccurred(env));
4242 return str;
4243 }
4244
4245 /* for WmMeasureItem method of List and Choice */
4246 void AwtComponent::MeasureListItem(JNIEnv *env,
4247 MEASUREITEMSTRUCT &measureInfo)
4248 {
4249 if (env->EnsureLocalCapacity(1) < 0) {
4250 return;
4251 }
4252 jobject dimension = PreferredItemSize(env);
4253 DASSERT(dimension);
4254 measureInfo.itemWidth =
4255 env->GetIntField(dimension, AwtDimension::widthID);
4256 measureInfo.itemHeight =
4257 env->GetIntField(dimension, AwtDimension::heightID);
4258 env->DeleteLocalRef(dimension);
4259 }
4260
4261 /* for WmDrawItem method of List and Choice */
4262 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4263 {
4264 if (env->EnsureLocalCapacity(3) < 0) {
4265 return;
4266 }
4267 jobject peer = GetPeer(env);
4268 jobject target = env->GetObjectField(peer, AwtObject::targetID);
4269
4270 HDC hDC = drawInfo.hDC;
4271 RECT rect = drawInfo.rcItem;
4272
4273 BOOL bEnabled = isEnabled();
4274 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4275 DWORD crBack, crText;
4276 if (drawInfo.itemState & ODS_SELECTED){
4277 /* Set background and text colors for selected item */
4278 crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4279 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4280 } else {
4281 /* Set background and text colors for unselected item */
4282 crBack = GetBackgroundColor();
4283 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4284 }
4285 if (unfocusableChoice) {
4286 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4287 crBack = GetBackgroundColor();
4288 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4289 }
4290
4291 /* Fill item rectangle with background color */
4292 HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4293 DASSERT(hbrBack);
4294 /* 6190728. Shouldn't draw any kind of rectangle around selection field
4295 * (edit control) of an owner-drawn combo box while unfocusable
4296 */
4297 if (!unfocusableChoice){
4298 VERIFY(::FillRect (hDC, &rect, hbrBack));
4299 }
4300 VERIFY(::DeleteObject (hbrBack));
4301
4302 /* Set current background and text colors */
4303 ::SetBkColor (hDC, crBack);
4304 ::SetTextColor (hDC, crText);
4305
4306 /*draw string (with left margin of 1 point) */
4307 if ((int) (drawInfo.itemID) >= 0) {
4308 jobject font = GET_FONT(target, peer);
4309 jstring text = GetItemString(env, target, drawInfo.itemID);
4310 if (env->ExceptionCheck()) {
4311 env->DeleteLocalRef(font);
4312 env->DeleteLocalRef(target);
4313 return;
4314 }
4315 SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4316 AwtFont::drawMFString(hDC, font, text,
4317 (GetRTL()) ? rect.right - size.cx - 1
4318 : rect.left + 1,
4319 (rect.top + rect.bottom - size.cy) / 2,
4320 GetCodePage());
4321 env->DeleteLocalRef(font);
4322 env->DeleteLocalRef(text);
4323 }
4324 if ((drawInfo.itemState & ODS_FOCUS) &&
4325 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4326 if (!unfocusableChoice){
4327 if(::DrawFocusRect(hDC, &rect) == 0)
4328 VERIFY(::GetLastError() == 0);
4329 }
4330 }
4331 env->DeleteLocalRef(target);
4332 }
4333
4334 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4335 jint AwtComponent::GetFontHeight(JNIEnv *env)
4336 {
4337 if (env->EnsureLocalCapacity(4) < 0) {
4338 return NULL;
4339 }
4340 jobject self = GetPeer(env);
4341 jobject target = env->GetObjectField(self, AwtObject::targetID);
4342
4343 jobject font = GET_FONT(target, self);
4344 jobject toolkit = env->CallObjectMethod(target,
4345 AwtComponent::getToolkitMID);
4346
4347 DASSERT(!safe_ExceptionOccurred(env));
4348
4349 jobject fontMetrics =
4350 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4351
4352 DASSERT(!safe_ExceptionOccurred(env));
4353
4354 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4355 DASSERT(!safe_ExceptionOccurred(env));
4356
4357 env->DeleteLocalRef(target);
4358 env->DeleteLocalRef(font);
4359 env->DeleteLocalRef(toolkit);
4360 env->DeleteLocalRef(fontMetrics);
4361
4362 return height;
4363 }
4364
4365 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4366 // stack to be restored in WmPrintClient. Windows mangles the DC in
4367 // ::DefWindowProc.
4368 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4369 {
4370 /*
4371 * DefWindowProc for WM_PRINT changes DC parameters, so we have
4372 * to restore it ourselves. Otherwise it will cause problems
4373 * when several components are printed to the same DC.
4374 */
4375 int nOriginalDC = ::SaveDC(hDC);
4376 DASSERT(nOriginalDC != 0);
4377
4378 if (flags & PRF_NONCLIENT) {
4379
4380 VERIFY(::SaveDC(hDC));
4381
4382 DefWindowProc(WM_PRINT, (WPARAM)hDC,
4383 (flags & (PRF_NONCLIENT
4384 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4385
4386 VERIFY(::RestoreDC(hDC, -1));
4387
4388 // Special case for components with a sunken border. Windows does not
4389 // print the border correctly on PCL printers, so we have to do it ourselves.
4390 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4391 RECT r;
4392 VERIFY(::GetWindowRect(GetHWnd(), &r));
4393 VERIFY(::OffsetRect(&r, -r.left, -r.top));
4394 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4395 }
4396 }
4397
4398 if (flags & PRF_CLIENT) {
4399
4400 /*
4401 * Special case for components with a sunken border.
4402 * Windows prints a client area without offset to a border width.
4403 * We will first print the non-client area with the original offset,
4404 * then the client area with a corrected offset.
4405 */
4406 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4407
4408 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4409 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4410
4411 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4412
4413 // Save a copy of the DC for WmPrintClient
4414 VERIFY(::SaveDC(hDC));
4415
4416 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4417 (flags & (PRF_CLIENT
4418 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4419
4420 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4421
4422 } else {
4423
4424 // Save a copy of the DC for WmPrintClient
4425 VERIFY(::SaveDC(hDC));
4426 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4427 (flags & (PRF_CLIENT
4428 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4429 }
4430 }
4431
4432 if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4433 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4434 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4435 }
4436
4437 VERIFY(::RestoreDC(hDC, nOriginalDC));
4438
4439 return mrConsume;
4440 }
4441
4442 // If you override WmPrintClient, make sure to obtain a valid copy of
4443 // the DC from the GDI stack. The copy of the DC should have been placed
4444 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4445 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4446 {
4447 // obtain valid DC from GDI stack
4448 ::RestoreDC(hDC, -1);
4449
4450 return mrDoDefault;
4451 }
4452
4453 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4454 LPNCCALCSIZE_PARAMS lpncsp,
4455 LRESULT &retVal)
4456 {
4457 return mrDoDefault;
4458 }
4459
4460 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4461 {
4462 return mrDoDefault;
4463 }
4464
4465 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4466 {
4467 return mrDoDefault;
4468 }
4469
4470 /**
4471 * WmQueryNewPalette is called whenever our component is coming to
4472 * the foreground; this gives us an opportunity to install our
4473 * custom palette. If this install actually changes entries in
4474 * the system palette, then we get a further call to WmPaletteChanged
4475 * (but note that we only need to realize our palette once).
4476 */
4477 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4478 {
4479 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4480 m_QueryNewPaletteCalled = TRUE;
4481 HDC hDC = ::GetDC(GetHWnd());
4482 DASSERT(hDC);
4483 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4484 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4485 ::ReleaseDC(GetHWnd(), hDC);
4486 // We must realize the palettes of all of our DC's
4487 // There is sometimes a problem where the realization of
4488 // our temporary hDC here does not actually do what
4489 // we want. Not clear why, but presumably fallout from
4490 // our use of several simultaneous hDC's.
4491 activeDCList.RealizePalettes(screen);
4492 // Do not invalidate here; if the palette
4493 // has not changed we will get an extra repaint
4494 retVal = TRUE;
4495
4496 return mrDoDefault;
4497 }
4498
4499 /**
4500 * We should not need to track this event since we handle our
4501 * palette management effectively in the WmQueryNewPalette and
4502 * WmPaletteChanged methods. However, there seems to be a bug
4503 * on some win32 systems (e.g., NT4) whereby the palette
4504 * immediately after a displayChange is not yet updated to its
4505 * final post-display-change values (hence we adjust our palette
4506 * using the wrong system palette entries), then the palette is
4507 * updated, but a WM_PALETTECHANGED message is never sent.
4508 * By tracking the ISCHANGING message as well (and by tracking
4509 * displayChange events in the AwtToolkit object), we can account
4510 * for this error by forcing our WmPaletteChanged method to be
4511 * called and thereby realizing our logical palette and updating
4512 * our dynamic colorModel object.
4513 */
4514 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4515 {
4516 if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4517 WmPaletteChanged(hwndPalChg);
4518 AwtToolkit::GetInstance().ResetDisplayChanged();
4519 }
4520 return mrDoDefault;
4521 }
4522
4523 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4524 {
4525 // We need to re-realize our palette here (unless we're the one
4526 // that was realizing it in the first place). That will let us match the
4527 // remaining colors in the system palette as best we can. We always
4528 // invalidate because the palette will have changed when we receive this
4529 // message.
4530
4531 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4532 if (hwndPalChg != GetHWnd()) {
4533 HDC hDC = ::GetDC(GetHWnd());
4534 DASSERT(hDC);
4535 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4536 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4537 ::ReleaseDC(GetHWnd(), hDC);
4538 // We must realize the palettes of all of our DC's
4539 activeDCList.RealizePalettes(screen);
4540 }
4541 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4542 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4543 }
4544 Invalidate(NULL);
4545 return mrDoDefault;
4546 }
4547
4548 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4549 {
4550 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4551 return mrDoDefault;
4552 }
4553
4554 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4555 {
4556 DASSERT(!IsBadStringPtr(pszSection, 20));
4557 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4558 return mrDoDefault;
4559 }
4560
4561 HDC AwtComponent::GetDCFromComponent()
4562 {
4563 GetDCReturnStruct *hdcStruct =
4564 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4565 HDC hdc;
4566 if (hdcStruct) {
4567 if (hdcStruct->gdiLimitReached) {
4568 if (jvm != NULL) {
4569 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4570 if (env != NULL && !safe_ExceptionOccurred(env)) {
4571 JNU_ThrowByName(env, "java/awt/AWTError",
4572 "HDC creation failure - " \
4573 "exceeded maximum GDI resources");
4574 }
4575 }
4576 }
4577 hdc = hdcStruct->hDC;
4578 delete hdcStruct;
4579 } else {
4580 hdc = NULL;
4581 }
4582 return hdc;
4583 }
4584
4585 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4586 {
4587 RECT eraseR = { 0, 0, size.cx, size.cy };
4588 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4589 }
4590
4591 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4592 {
4593 if (!bitmapBits) {
4594 return;
4595 }
4596
4597 DWORD* dest = (DWORD*)bitmapBits;
4598 //XXX: might be optimized to use one loop (cy*cx -> 0)
4599 for (int i = 0; i < size.cy; i++ ) {
4600 for (int j = 0; j < size.cx; j++ ) {
4601 ((BYTE*)(dest++))[3] = alpha;
4602 }
4603 }
4604 }
4605
4606 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4607 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4608
4609 if (!::IsWindowVisible(GetHWnd())) {
4610 return NULL;
4611 }
4612
4613 HDC hdc = GetDCFromComponent();
4614 if (!hdc) {
4615 return NULL;
4616 }
4617 HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4618 void *bitmapBits = NULL;
4619 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4620 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4621 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4622
4623 FillBackground(hMemoryDC, size);
4624
4625 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4626
4627 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4628 // above.
4629 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4630
4631 // First make sure the system completed any drawing to the bitmap.
4632 ::GdiFlush();
4633
4634 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4635 // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4636 // the pixels will be considered transparent when interpreting the data.
4637 FillAlpha(bitmapBits, size, alpha);
4638
4639 ::SelectObject(hMemoryDC, hOldBitmap);
4640
4641 BITMAPINFO bmi;
4642 memset(&bmi, 0, sizeof(BITMAPINFO));
4643 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4644 bmi.bmiHeader.biWidth = size.cx;
4645 bmi.bmiHeader.biHeight = -size.cy;
4646 bmi.bmiHeader.biPlanes = 1;
4647 bmi.bmiHeader.biBitCount = 32;
4648 bmi.bmiHeader.biCompression = BI_RGB;
4649
4650 jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4651 jintArray pixelArray = NULL;
4652 if (localPixelArray != NULL) {
4653 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4654 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4655
4656 jboolean isCopy;
4657 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4658
4659 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4660 DIB_RGB_COLORS);
4661
4662 env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4663 }
4664
4665 VERIFY(::DeleteObject(hBitmap));
4666 VERIFY(::DeleteDC(hMemoryDC));
4667
4668 return pixelArray;
4669 }
4670
4671 void* AwtComponent::SetNativeFocusOwner(void *self) {
4672 if (self == NULL) {
4673 // It means that the KFM wants to set focus to null
4674 sm_focusOwner = NULL;
4675 return NULL;
4676 }
4677
4678 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4679
4680 AwtComponent *c = NULL;
4681 jobject peer = (jobject)self;
4682
4683 PDATA pData;
4684 JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4685 pData = JNI_GET_PDATA(peer);
4686 if (pData == NULL) {
4687 goto ret;
4688 }
4689 c = (AwtComponent *)pData;
4690
4691 ret:
4692 if (c && ::IsWindow(c->GetHWnd())) {
4693 sm_focusOwner = c->GetHWnd();
4694 } else {
4695 sm_focusOwner = NULL;
4696 }
4697 env->DeleteGlobalRef(peer);
4698 return NULL;
4699 }
4700
4701 void* AwtComponent::GetNativeFocusedWindow() {
4702 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4703 AwtComponent *comp =
4704 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4705 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4706 }
4707
4708 void* AwtComponent::GetNativeFocusOwner() {
4709 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4710 AwtComponent *comp =
4711 AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4712 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4713 }
4714
4715 AwtComponent* AwtComponent::SearchChild(UINT id) {
4716 ChildListItem* child;
4717 for (child = m_childList; child != NULL;child = child->m_next) {
4718 if (child->m_ID == id)
4719 return child->m_Component;
4720 }
4721 /*
4722 * DASSERT(FALSE);
4723 * This should not be happend if all children are recorded
4724 */
4725 return NULL; /* make compiler happy */
4726 }
4727
4728 void AwtComponent::RemoveChild(UINT id) {
4729 ChildListItem* child = m_childList;
4730 ChildListItem* lastChild = NULL;
4731 while (child != NULL) {
4732 if (child->m_ID == id) {
4733 if (lastChild == NULL) {
4734 m_childList = child->m_next;
4735 } else {
4736 lastChild->m_next = child->m_next;
4737 }
4738 child->m_next = NULL;
4739 DASSERT(child != NULL);
4740 delete child;
4741 return;
4742 }
4743 lastChild = child;
4744 child = child->m_next;
4745 }
4746 }
4747
4748 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4749 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4750 {
4751 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4752 CriticalSection::Lock l(GetLock());
4753 if (GetPeer(env) == NULL) {
4754 /* event received during termination. */
4755 return;
4756 }
4757
4758 static jclass keyEventCls;
4759 if (keyEventCls == NULL) {
4760 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4761 DASSERT(keyEventClsLocal);
4762 if (keyEventClsLocal == NULL) {
4763 /* exception already thrown */
4764 return;
4765 }
4766 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4767 env->DeleteLocalRef(keyEventClsLocal);
4768 }
4769
4770 static jmethodID keyEventConst;
4771 if (keyEventConst == NULL) {
4772 keyEventConst = env->GetMethodID(keyEventCls, "<init>",
4773 "(Ljava/awt/Component;IJIICI)V");
4774 DASSERT(keyEventConst);
4775 CHECK_NULL(keyEventConst);
4776 }
4777 if (env->EnsureLocalCapacity(2) < 0) {
4778 return;
4779 }
4780 jobject target = GetTarget(env);
4781 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4782 id, when, modifiers, raw, cooked,
4783 keyLocation);
4784 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4785 DASSERT(!safe_ExceptionOccurred(env));
4786 DASSERT(keyEvent != NULL);
4787 if (keyEvent == NULL) {
4788 env->DeleteLocalRef(target);
4789 return;
4790 }
4791 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4792 if( nativeCode && nativeCode < 256 ) {
4793 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4794 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4795 if( nativeCode < 255 ) {
4796 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4797 }else if( pMsg != NULL ) {
4798 // unknown key with virtual keycode 0xFF.
4799 // Its scancode is not in the table, pickup it from the message.
4800 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4801 }
4802 }
4803 if (pMsg != NULL) {
4804 AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
4805 }
4806 SendEvent(keyEvent);
4807
4808 env->DeleteLocalRef(keyEvent);
4809 env->DeleteLocalRef(target);
4810 }
4811
4812 void
4813 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
4814 jint raw, jint cooked,
4815 jint modifiers, jint keyLocation,
4816 jlong nativeCode,
4817 MSG *msg)
4818 {
4819 /*
4820 * if focus owner is null, but focused window isn't
4821 * we will send key event to focused window
4822 */
4823 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
4824
4825 if (hwndTarget == GetHWnd()) {
4826 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
4827 } else {
4828 AwtComponent *target = NULL;
4829 if (hwndTarget != NULL) {
4830 target = AwtComponent::GetComponent(hwndTarget);
4831 if (target == NULL) {
4832 target = this;
4833 }
4834 }
4835 if (target != NULL) {
4836 target->SendKeyEvent(id, when, raw, cooked, modifiers,
4837 keyLocation, nativeCode, msg);
4838 }
4839 }
4840 }
4841
4842 void AwtComponent::SetDragCapture(UINT flags)
4843 {
4844 // don't want to interfere with other controls
4845 if (::GetCapture() == NULL) {
4846 ::SetCapture(GetHWnd());
4847 }
4848 }
4849
4850 void AwtComponent::ReleaseDragCapture(UINT flags)
4851 {
4852 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
4853 // user has released all buttons, so release the capture
4854 ::ReleaseCapture();
4855 }
4856 }
4857
4858 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
4859 jint modifiers, jint clickCount,
4860 jboolean popupTrigger, jint button,
4861 MSG *pMsg)
4862 {
4863 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4864 CriticalSection::Lock l(GetLock());
4865 if (GetPeer(env) == NULL) {
4866 /* event received during termination. */
4867 return;
4868 }
4869
4870 static jclass mouseEventCls;
4871 if (mouseEventCls == NULL) {
4872 jclass mouseEventClsLocal =
4873 env->FindClass("java/awt/event/MouseEvent");
4874 CHECK_NULL(mouseEventClsLocal);
4875 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
4876 env->DeleteLocalRef(mouseEventClsLocal);
4877 }
4878 RECT insets;
4879 GetInsets(&insets);
4880
4881 static jmethodID mouseEventConst;
4882 if (mouseEventConst == NULL) {
4883 mouseEventConst =
4884 env->GetMethodID(mouseEventCls, "<init>",
4885 "(Ljava/awt/Component;IJIIIIIIZI)V");
4886 DASSERT(mouseEventConst);
4887 CHECK_NULL(mouseEventConst);
4888 }
4889 if (env->EnsureLocalCapacity(2) < 0) {
4890 return;
4891 }
4892 jobject target = GetTarget(env);
4893 DWORD curMousePos = ::GetMessagePos();
4894 int xAbs = GET_X_LPARAM(curMousePos);
4895 int yAbs = GET_Y_LPARAM(curMousePos);
4896 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
4897 target,
4898 id, when, modifiers,
4899 x+insets.left, y+insets.top,
4900 xAbs, yAbs,
4901 clickCount, popupTrigger, button);
4902
4903 if (safe_ExceptionOccurred(env)) {
4904 env->ExceptionDescribe();
4905 env->ExceptionClear();
4906 }
4907
4908 DASSERT(mouseEvent != NULL);
4909 CHECK_NULL(mouseEvent);
4910 if (pMsg != 0) {
4911 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
4912 }
4913 SendEvent(mouseEvent);
4914
4915 env->DeleteLocalRef(mouseEvent);
4916 env->DeleteLocalRef(target);
4917 }
4918
4919 void
4920 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
4921 jint modifiers, jint clickCount,
4922 jboolean popupTrigger, jint scrollType,
4923 jint scrollAmount, jint roundedWheelRotation,
4924 jdouble preciseWheelRotation, MSG *pMsg)
4925 {
4926 /* Code based not so loosely on AwtComponent::SendMouseEvent */
4927 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4928 CriticalSection::Lock l(GetLock());
4929 if (GetPeer(env) == NULL) {
4930 /* event received during termination. */
4931 return;
4932 }
4933
4934 static jclass mouseWheelEventCls;
4935 if (mouseWheelEventCls == NULL) {
4936 jclass mouseWheelEventClsLocal =
4937 env->FindClass("java/awt/event/MouseWheelEvent");
4938 CHECK_NULL(mouseWheelEventClsLocal);
4939 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
4940 env->DeleteLocalRef(mouseWheelEventClsLocal);
4941 }
4942 RECT insets;
4943 GetInsets(&insets);
4944
4945 static jmethodID mouseWheelEventConst;
4946 if (mouseWheelEventConst == NULL) {
4947 mouseWheelEventConst =
4948 env->GetMethodID(mouseWheelEventCls, "<init>",
4949 "(Ljava/awt/Component;IJIIIIIIZIIID)V");
4950 DASSERT(mouseWheelEventConst);
4951 CHECK_NULL(mouseWheelEventConst);
4952 }
4953 if (env->EnsureLocalCapacity(2) < 0) {
4954 return;
4955 }
4956 jobject target = GetTarget(env);
4957 DWORD curMousePos = ::GetMessagePos();
4958 int xAbs = GET_X_LPARAM(curMousePos);
4959 int yAbs = GET_Y_LPARAM(curMousePos);
4960
4961 DTRACE_PRINTLN("creating MWE in JNI");
4962
4963 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
4964 mouseWheelEventConst,
4965 target,
4966 id, when, modifiers,
4967 x+insets.left, y+insets.top,
4968 xAbs, yAbs,
4969 clickCount, popupTrigger,
4970 scrollType, scrollAmount,
4971 roundedWheelRotation, preciseWheelRotation);
4972
4973 DASSERT(mouseWheelEvent != NULL);
4974 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
4975 env->ExceptionDescribe();
4976 env->ExceptionClear();
4977 env->DeleteLocalRef(target);
4978 return;
4979 }
4980 if (pMsg != NULL) {
4981 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
4982 }
4983 SendEvent(mouseWheelEvent);
4984
4985 env->DeleteLocalRef(mouseWheelEvent);
4986 env->DeleteLocalRef(target);
4987 }
4988
4989 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
4990 {
4991 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4992
4993 CriticalSection::Lock l(GetLock());
4994 if (GetPeer(env) == NULL) {
4995 /* event received during termination. */
4996 return;
4997 }
4998
4999 static jclass focusEventCls;
5000 if (focusEventCls == NULL) {
5001 jclass focusEventClsLocal
5002 = env->FindClass("java/awt/event/FocusEvent");
5003 DASSERT(focusEventClsLocal);
5004 CHECK_NULL(focusEventClsLocal);
5005 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5006 env->DeleteLocalRef(focusEventClsLocal);
5007 }
5008
5009 static jmethodID focusEventConst;
5010 if (focusEventConst == NULL) {
5011 focusEventConst =
5012 env->GetMethodID(focusEventCls, "<init>",
5013 "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5014 DASSERT(focusEventConst);
5015 CHECK_NULL(focusEventConst);
5016 }
5017
5018 static jclass sequencedEventCls;
5019 if (sequencedEventCls == NULL) {
5020 jclass sequencedEventClsLocal =
5021 env->FindClass("java/awt/SequencedEvent");
5022 DASSERT(sequencedEventClsLocal);
5023 CHECK_NULL(sequencedEventClsLocal);
5024 sequencedEventCls =
5025 (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5026 env->DeleteLocalRef(sequencedEventClsLocal);
5027 }
5028
5029 static jmethodID sequencedEventConst;
5030 if (sequencedEventConst == NULL) {
5031 sequencedEventConst =
5032 env->GetMethodID(sequencedEventCls, "<init>",
5033 "(Ljava/awt/AWTEvent;)V");
5034 DASSERT(sequencedEventConst);
5035 CHECK_NULL(sequencedEventConst);
5036 }
5037
5038 if (env->EnsureLocalCapacity(3) < 0) {
5039 return;
5040 }
5041
5042 jobject target = GetTarget(env);
5043 jobject jOpposite = NULL;
5044 if (opposite != NULL) {
5045 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5046 if (awtOpposite != NULL) {
5047 jOpposite = awtOpposite->GetTarget(env);
5048 }
5049 }
5050 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5051 target, id, JNI_FALSE, jOpposite);
5052 DASSERT(!safe_ExceptionOccurred(env));
5053 DASSERT(focusEvent != NULL);
5054 if (jOpposite != NULL) {
5055 env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5056 }
5057 env->DeleteLocalRef(target); target = NULL;
5058 CHECK_NULL(focusEvent);
5059
5060 jobject sequencedEvent = env->NewObject(sequencedEventCls,
5061 sequencedEventConst,
5062 focusEvent);
5063 DASSERT(!safe_ExceptionOccurred(env));
5064 DASSERT(sequencedEvent != NULL);
5065 env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5066 CHECK_NULL(sequencedEvent);
5067 SendEvent(sequencedEvent);
5068
5069 env->DeleteLocalRef(sequencedEvent);
5070 }
5071
5072 /*
5073 * Forward a filtered event directly to the subclassed window.
5074 * This method is needed so that DefWindowProc is invoked on the
5075 * component's owning thread.
5076 */
5077 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5078 {
5079 DefWindowProc(msg->message, msg->wParam, msg->lParam);
5080 delete msg;
5081 return mrConsume;
5082 }
5083
5084 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5085 on the toolkit thread. This method may pre-filter the messages. */
5086 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5087 {
5088 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5089 // We should cut off keyboard events to disabled components
5090 // to avoid the components responding visually to keystrokes when disabled.
5091 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5092 // but to activate menus, close windows, etc
5093 switch(msg->message) {
5094 case WM_KEYDOWN:
5095 case WM_KEYUP:
5096 case WM_CHAR:
5097 case WM_DEADCHAR:
5098 {
5099 if (!isRecursivelyEnabled()) {
5100 goto quit;
5101 }
5102 break;
5103 }
5104 }
5105 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5106 (WPARAM) synthetic, (LPARAM) msg)) {
5107 return TRUE;
5108 } else {
5109 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5110 }
5111 quit:
5112 delete msg;
5113 return FALSE;
5114 }
5115
5116 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5117 {
5118 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5119 UINT message;
5120 switch (id) {
5121 case java_awt_event_KeyEvent_KEY_PRESSED:
5122 message = WM_KEYDOWN;
5123 break;
5124 case java_awt_event_KeyEvent_KEY_RELEASED:
5125 message = WM_KEYUP;
5126 break;
5127 case java_awt_event_KeyEvent_KEY_TYPED:
5128 message = WM_CHAR;
5129 break;
5130 default:
5131 return;
5132 }
5133
5134 /*
5135 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5136 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5137 */
5138 if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5139 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5140 // (for Edit control)
5141 jchar keyChar = (jchar)
5142 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5143
5144 // Bugid 4724007. If it is a Delete character, don't send the fake
5145 // KEY_TYPED we created back to the native window: Windows doesn't
5146 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5147 // character after deleting.
5148 if (keyChar == '\177') { // the Delete character
5149 return;
5150 }
5151
5152 // Disable forwarding WM_CHAR messages to disabled components
5153 if (isRecursivelyEnabled()) {
5154 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5155 MAKEWPARAM(keyChar, TRUE), 0)) {
5156 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5157 }
5158 }
5159 } else {
5160 jint keyCode =
5161 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5162 UINT key, modifiers;
5163 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5164 MSG* msg = CreateMessage(message, key, 0);
5165 PostHandleEventMessage(msg, TRUE);
5166 }
5167 }
5168
5169 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5170 {
5171 /* DebugBreak(); */
5172 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5173 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5174
5175 WPARAM wParam = 0;
5176 WORD wLow = 0;
5177 jint wheelAmt = 0;
5178 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5179 UINT message;
5180 switch (id) {
5181 case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5182 switch (button) {
5183 case java_awt_event_MouseEvent_BUTTON1:
5184 message = WM_LBUTTONDOWN; break;
5185 case java_awt_event_MouseEvent_BUTTON3:
5186 message = WM_MBUTTONDOWN; break;
5187 case java_awt_event_MouseEvent_BUTTON2:
5188 message = WM_RBUTTONDOWN; break;
5189 }
5190 break;
5191 }
5192 case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5193 switch (button) {
5194 case java_awt_event_MouseEvent_BUTTON1:
5195 message = WM_LBUTTONUP; break;
5196 case java_awt_event_MouseEvent_BUTTON3:
5197 message = WM_MBUTTONUP; break;
5198 case java_awt_event_MouseEvent_BUTTON2:
5199 message = WM_RBUTTONUP; break;
5200 }
5201 break;
5202 }
5203 case java_awt_event_MouseEvent_MOUSE_MOVED:
5204 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5205 case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5206 message = WM_MOUSEMOVE;
5207 break;
5208 case java_awt_event_MouseEvent_MOUSE_WHEEL:
5209 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5210 wLow |= MK_CONTROL;
5211 }
5212 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5213 wLow |= MK_SHIFT;
5214 }
5215 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5216 wLow |= MK_LBUTTON;
5217 }
5218 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5219 wLow |= MK_RBUTTON;
5220 }
5221 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5222 wLow |= MK_MBUTTON;
5223 }
5224 if (modifiers & X1_BUTTON) {
5225 wLow |= GetButtonMK(X1_BUTTON);
5226 }
5227 if (modifiers & X2_BUTTON) {
5228 wLow |= GetButtonMK(X2_BUTTON);
5229 }
5230
5231 wheelAmt = (jint)JNU_CallMethodByName(env,
5232 NULL,
5233 mouseEvent,
5234 "getWheelRotation",
5235 "()I").i;
5236 DASSERT(!safe_ExceptionOccurred(env));
5237 JNU_CHECK_EXCEPTION(env);
5238 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5239
5240 // convert Java wheel amount value to Win32
5241 wheelAmt *= -1 * WHEEL_DELTA;
5242
5243 message = WM_MOUSEWHEEL;
5244 wParam = MAKEWPARAM(wLow, wheelAmt);
5245
5246 break;
5247 default:
5248 return;
5249 }
5250 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5251 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5252 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5253 PostHandleEventMessage(msg, TRUE);
5254 }
5255
5256 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5257
5258 void AwtComponent::Invalidate(RECT* r)
5259 {
5260 ::InvalidateRect(GetHWnd(), r, FALSE);
5261 }
5262
5263 void AwtComponent::BeginValidate()
5264 {
5265 DASSERT(m_validationNestCount >= 0 &&
5266 m_validationNestCount < 1000); // sanity check
5267
5268 if (m_validationNestCount == 0) {
5269 // begin deferred window positioning if we're not inside
5270 // another Begin/EndValidate pair
5271 DASSERT(m_hdwp == NULL);
5272 m_hdwp = ::BeginDeferWindowPos(32);
5273 }
5274
5275 m_validationNestCount++;
5276 }
5277
5278 void AwtComponent::EndValidate()
5279 {
5280 DASSERT(m_validationNestCount > 0 &&
5281 m_validationNestCount < 1000); // sanity check
5282 DASSERT(m_hdwp != NULL);
5283
5284 m_validationNestCount--;
5285 if (m_validationNestCount == 0) {
5286 // if this call to EndValidate is not nested inside another
5287 // Begin/EndValidate pair, end deferred window positioning
5288 ::EndDeferWindowPos(m_hdwp);
5289 m_hdwp = NULL;
5290 }
5291 }
5292
5293 /**
5294 * HWND, AwtComponent and Java Peer interaction
5295 */
5296
5297 /*
5298 *Link the C++, Java peer, and HWNDs together.
5299 */
5300 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5301 {
5302 /*
5303 * Bind all three objects together thru this C++ object, two-way to each:
5304 * JavaPeer <-> C++ <-> HWND
5305 *
5306 * C++ -> JavaPeer
5307 */
5308 if (m_peerObject == NULL) {
5309 // This may have already been set up by CreateHWnd
5310 // And we don't want to create two references so we
5311 // will leave the prior one alone
5312 m_peerObject = env->NewGlobalRef(peer);
5313 }
5314 /* JavaPeer -> HWND */
5315 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5316
5317 /* JavaPeer -> C++ */
5318 JNI_SET_PDATA(peer, this);
5319
5320 /* HWND -> C++ */
5321 SetComponentInHWND();
5322 }
5323
5324 /* Cleanup above linking */
5325 void AwtComponent::UnlinkObjects()
5326 {
5327 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5328 if (m_peerObject) {
5329 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5330 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5331 JNI_SET_DESTROYED(m_peerObject);
5332 env->DeleteGlobalRef(m_peerObject);
5333 m_peerObject = NULL;
5334 }
5335 }
5336
5337 void AwtComponent::Enable(BOOL bEnable)
5338 {
5339 if (bEnable && IsTopLevel()) {
5340 // we should not enable blocked toplevels
5341 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5342 }
5343 // Shouldn't trigger native focus change
5344 // (only the proxy may be the native focus owner).
5345 ::EnableWindow(GetHWnd(), bEnable);
5346
5347 CriticalSection::Lock l(GetLock());
5348 VerifyState();
5349 }
5350
5351 /*
5352 * associate an AwtDropTarget with this AwtComponent
5353 */
5354
5355 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5356 m_dropTarget = new AwtDropTarget(env, this);
5357 m_dropTarget->RegisterTarget(TRUE);
5358 return m_dropTarget;
5359 }
5360
5361 /*
5362 * disassociate an AwtDropTarget with this AwtComponent
5363 */
5364
5365 void AwtComponent::DestroyDropTarget() {
5366 if (m_dropTarget != NULL) {
5367 m_dropTarget->RegisterTarget(FALSE);
5368 m_dropTarget->Release();
5369 m_dropTarget = NULL;
5370 }
5371 }
5372
5373 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5374 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5375 }
5376
5377 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5378 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5379 }
5380
5381 void AwtComponent::_Show(void *param)
5382 {
5383 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5384
5385 jobject self = (jobject)param;
5386
5387 AwtComponent *p;
5388
5389 PDATA pData;
5390 JNI_CHECK_PEER_GOTO(self, ret);
5391 p = (AwtComponent *)pData;
5392 if (::IsWindow(p->GetHWnd()))
5393 {
5394 p->SendMessage(WM_AWT_COMPONENT_SHOW);
5395 }
5396 ret:
5397 env->DeleteGlobalRef(self);
5398 }
5399
5400 void AwtComponent::_Hide(void *param)
5401 {
5402 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5403
5404 jobject self = (jobject)param;
5405
5406 AwtComponent *p;
5407
5408 PDATA pData;
5409 JNI_CHECK_PEER_GOTO(self, ret);
5410 p = (AwtComponent *)pData;
5411 if (::IsWindow(p->GetHWnd()))
5412 {
5413 p->SendMessage(WM_AWT_COMPONENT_HIDE);
5414 }
5415 ret:
5416 env->DeleteGlobalRef(self);
5417 }
5418
5419 void AwtComponent::_Enable(void *param)
5420 {
5421 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5422
5423 jobject self = (jobject)param;
5424
5425 AwtComponent *p;
5426
5427 PDATA pData;
5428 JNI_CHECK_PEER_GOTO(self, ret);
5429 p = (AwtComponent *)pData;
5430 if (::IsWindow(p->GetHWnd()))
5431 {
5432 p->Enable(TRUE);
5433 }
5434 ret:
5435 env->DeleteGlobalRef(self);
5436 }
5437
5438 void AwtComponent::_Disable(void *param)
5439 {
5440 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5441
5442 jobject self = (jobject)param;
5443
5444 AwtComponent *p;
5445
5446 PDATA pData;
5447 JNI_CHECK_PEER_GOTO(self, ret);
5448 p = (AwtComponent *)pData;
5449 if (::IsWindow(p->GetHWnd()))
5450 {
5451 p->Enable(FALSE);
5452 }
5453 ret:
5454 env->DeleteGlobalRef(self);
5455 }
5456
5457 jobject AwtComponent::_GetLocationOnScreen(void *param)
5458 {
5459 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5460
5461 jobject self = (jobject)param;
5462
5463 jobject result = NULL;
5464 AwtComponent *p;
5465
5466 PDATA pData;
5467 JNI_CHECK_PEER_GOTO(self, ret);
5468 p = (AwtComponent *)pData;
5469 if (::IsWindow(p->GetHWnd()))
5470 {
5471 RECT rect;
5472 VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5473 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5474 rect.left, rect.top);
5475 }
5476 ret:
5477 env->DeleteGlobalRef(self);
5478
5479 if (result != NULL)
5480 {
5481 jobject resultGlobalRef = env->NewGlobalRef(result);
5482 env->DeleteLocalRef(result);
5483 return resultGlobalRef;
5484 }
5485 else
5486 {
5487 return NULL;
5488 }
5489 }
5490
5491 void AwtComponent::_Reshape(void *param)
5492 {
5493 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5494
5495 ReshapeStruct *rs = (ReshapeStruct*)param;
5496 jobject self = rs->component;
5497 jint x = rs->x;
5498 jint y = rs->y;
5499 jint w = rs->w;
5500 jint h = rs->h;
5501
5502 AwtComponent *p;
5503
5504 PDATA pData;
5505 JNI_CHECK_PEER_GOTO(self, ret);
5506 p = (AwtComponent *)pData;
5507 if (::IsWindow(p->GetHWnd()))
5508 {
5509 RECT* r = new RECT;
5510 ::SetRect(r, x, y, x + w, y + h);
5511 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5512 }
5513 ret:
5514 env->DeleteGlobalRef(self);
5515
5516 delete rs;
5517 }
5518
5519 void AwtComponent::_ReshapeNoCheck(void *param)
5520 {
5521 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5522
5523 ReshapeStruct *rs = (ReshapeStruct*)param;
5524 jobject self = rs->component;
5525 jint x = rs->x;
5526 jint y = rs->y;
5527 jint w = rs->w;
5528 jint h = rs->h;
5529
5530 AwtComponent *p;
5531
5532 PDATA pData;
5533 JNI_CHECK_PEER_GOTO(self, ret);
5534 p = (AwtComponent *)pData;
5535 if (::IsWindow(p->GetHWnd()))
5536 {
5537 RECT* r = new RECT;
5538 ::SetRect(r, x, y, x + w, y + h);
5539 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5540 }
5541 ret:
5542 env->DeleteGlobalRef(self);
5543
5544 delete rs;
5545 }
5546
5547 void AwtComponent::_NativeHandleEvent(void *param)
5548 {
5549 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5550
5551 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5552 jobject self = nhes->component;
5553 jobject event = nhes->event;
5554
5555 AwtComponent *p;
5556
5557 PDATA pData;
5558 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5559 pData = JNI_GET_PDATA(self);
5560 if (pData == NULL) {
5561 env->DeleteGlobalRef(self);
5562 if (event != NULL) {
5563 env->DeleteGlobalRef(event);
5564 }
5565 delete nhes;
5566 return;
5567 }
5568 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5569
5570 p = (AwtComponent *)pData;
5571 if (::IsWindow(p->GetHWnd()))
5572 {
5573 if (env->EnsureLocalCapacity(1) < 0) {
5574 env->DeleteGlobalRef(self);
5575 env->DeleteGlobalRef(event);
5576 delete nhes;
5577 return;
5578 }
5579 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5580 int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5581 DASSERT(!safe_ExceptionOccurred(env));
5582 if (bdata != 0) {
5583 MSG msg;
5584 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5585 (env)->DeleteLocalRef(bdata);
5586 static BOOL keyDownConsumed = FALSE;
5587 static BOOL bCharChanged = FALSE;
5588 static WCHAR modifiedChar;
5589 WCHAR unicodeChar;
5590
5591 /* Remember if a KEY_PRESSED event is consumed, as an old model
5592 * program won't consume a subsequent KEY_TYPED event.
5593 */
5594 jboolean consumed =
5595 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5596 DASSERT(!safe_ExceptionOccurred(env));
5597
5598 if (consumed) {
5599 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5600 env->DeleteGlobalRef(self);
5601 env->DeleteGlobalRef(event);
5602 delete nhes;
5603 return;
5604
5605 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5606 // Fix for 6637607: reset consuming
5607 keyDownConsumed = FALSE;
5608 }
5609
5610 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5611 * the old model.
5612 */
5613 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5614 keyDownConsumed = FALSE;
5615 env->DeleteGlobalRef(self);
5616 env->DeleteGlobalRef(event);
5617 delete nhes;
5618 return;
5619 }
5620
5621 /* Modify any event parameters, if necessary. */
5622 if (self && pData &&
5623 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5624 id <= java_awt_event_KeyEvent_KEY_LAST) {
5625
5626 AwtComponent* p = (AwtComponent*)pData;
5627
5628 jint keyCode =
5629 (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5630 jchar keyChar =
5631 (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5632 jint modifiers =
5633 (env)->GetIntField(event, AwtInputEvent::modifiersID);
5634
5635 DASSERT(!safe_ExceptionOccurred(env));
5636
5637 /* Check to see whether the keyCode or modifiers were changed
5638 on the keyPressed event, and tweak the following keyTyped
5639 event (if any) accodingly. */
5640 switch (id) {
5641 case java_awt_event_KeyEvent_KEY_PRESSED:
5642 {
5643 UINT winKey = (UINT)msg.wParam;
5644 bCharChanged = FALSE;
5645
5646 if (winKey == VK_PROCESSKEY) {
5647 // Leave it up to IME
5648 break;
5649 }
5650
5651 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5652 UINT newWinKey, ignored;
5653 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5654 if (newWinKey != 0) {
5655 winKey = newWinKey;
5656 }
5657 }
5658
5659 BOOL isDeadKey = FALSE;
5660 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5661 bCharChanged = (keyChar != modifiedChar);
5662 }
5663 break;
5664
5665 case java_awt_event_KeyEvent_KEY_RELEASED:
5666 {
5667 keyDownConsumed = FALSE;
5668 bCharChanged = FALSE;
5669 }
5670 break;
5671
5672 case java_awt_event_KeyEvent_KEY_TYPED:
5673 {
5674 if (bCharChanged)
5675 {
5676 unicodeChar = modifiedChar;
5677 }
5678 else
5679 {
5680 unicodeChar = keyChar;
5681 }
5682 bCharChanged = FALSE;
5683
5684 // Disable forwarding KEY_TYPED messages to peers of
5685 // disabled components
5686 if (p->isRecursivelyEnabled()) {
5687 // send the character back to the native window for
5688 // processing. The WM_AWT_FORWARD_CHAR handler will send
5689 // this character to DefWindowProc
5690 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5691 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5692 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5693 }
5694 }
5695 env->DeleteGlobalRef(self);
5696 env->DeleteGlobalRef(event);
5697 delete nhes;
5698 return;
5699 }
5700 break;
5701
5702 default:
5703 break;
5704 }
5705 }
5706
5707 // ignore all InputMethodEvents
5708 if (self && (pData = JNI_GET_PDATA(self)) &&
5709 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5710 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5711 env->DeleteGlobalRef(self);
5712 env->DeleteGlobalRef(event);
5713 delete nhes;
5714 return;
5715 }
5716
5717 // Create copy for local msg
5718 MSG* pCopiedMsg = new MSG;
5719 memmove(pCopiedMsg, &msg, sizeof(MSG));
5720 // Event handler deletes msg
5721 p->PostHandleEventMessage(pCopiedMsg, FALSE);
5722
5723 env->DeleteGlobalRef(self);
5724 env->DeleteGlobalRef(event);
5725 delete nhes;
5726 return;
5727 }
5728
5729 /* Forward any valid synthesized events. Currently only mouse and
5730 * key events are supported.
5731 */
5732 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5733 env->DeleteGlobalRef(self);
5734 env->DeleteGlobalRef(event);
5735 delete nhes;
5736 return;
5737 }
5738
5739 AwtComponent* p = (AwtComponent*)pData;
5740 if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5741 id <= java_awt_event_KeyEvent_KEY_LAST) {
5742 p->SynthesizeKeyMessage(env, event);
5743 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5744 id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5745 p->SynthesizeMouseMessage(env, event);
5746 }
5747 }
5748
5749 ret:
5750 if (self != NULL) {
5751 env->DeleteGlobalRef(self);
5752 }
5753 if (event != NULL) {
5754 env->DeleteGlobalRef(event);
5755 }
5756
5757 delete nhes;
5758 }
5759
5760 void AwtComponent::_SetForeground(void *param)
5761 {
5762 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5763
5764 SetColorStruct *scs = (SetColorStruct *)param;
5765 jobject self = scs->component;
5766 jint rgb = scs->rgb;
5767
5768 AwtComponent *c = NULL;
5769
5770 PDATA pData;
5771 JNI_CHECK_PEER_GOTO(self, ret);
5772 c = (AwtComponent *)pData;
5773 if (::IsWindow(c->GetHWnd()))
5774 {
5775 c->SetColor(PALETTERGB((rgb>>16)&0xff,
5776 (rgb>>8)&0xff,
5777 (rgb)&0xff));
5778 c->VerifyState();
5779 }
5780 ret:
5781 env->DeleteGlobalRef(self);
5782
5783 delete scs;
5784 }
5785
5786 void AwtComponent::_SetBackground(void *param)
5787 {
5788 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5789
5790 SetColorStruct *scs = (SetColorStruct *)param;
5791 jobject self = scs->component;
5792 jint rgb = scs->rgb;
5793
5794 AwtComponent *c = NULL;
5795
5796 PDATA pData;
5797 JNI_CHECK_PEER_GOTO(self, ret);
5798 c = (AwtComponent *)pData;
5799 if (::IsWindow(c->GetHWnd()))
5800 {
5801 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
5802 (rgb>>8)&0xff,
5803 (rgb)&0xff));
5804 c->VerifyState();
5805 }
5806 ret:
5807 env->DeleteGlobalRef(self);
5808
5809 delete scs;
5810 }
5811
5812 void AwtComponent::_SetFont(void *param)
5813 {
5814 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5815
5816 SetFontStruct *sfs = (SetFontStruct *)param;
5817 jobject self = sfs->component;
5818 jobject font = sfs->font;
5819
5820 AwtComponent *c = NULL;
5821
5822 PDATA pData;
5823 JNI_CHECK_PEER_GOTO(self, ret);
5824 JNI_CHECK_NULL_GOTO(font, "null font", ret);
5825 c = (AwtComponent *)pData;
5826 if (::IsWindow(c->GetHWnd()))
5827 {
5828 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
5829 if (awtFont == NULL) {
5830 /*arguments of AwtFont::Create are changed for multifont component */
5831 awtFont = AwtFont::Create(env, font);
5832 }
5833 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
5834
5835 c->SetFont(awtFont);
5836 }
5837 ret:
5838 env->DeleteGlobalRef(self);
5839 env->DeleteGlobalRef(font);
5840
5841 delete sfs;
5842 }
5843
5844 // Sets or kills focus for a component.
5845 void AwtComponent::_SetFocus(void *param)
5846 {
5847 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5848
5849 SetFocusStruct *sfs = (SetFocusStruct *)param;
5850 jobject self = sfs->component;
5851 jboolean doSetFocus = sfs->doSetFocus;
5852
5853 AwtComponent *c = NULL;
5854
5855 PDATA pData;
5856 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5857 pData = JNI_GET_PDATA(self);
5858 if (pData == NULL) {
5859 // do nothing just return false
5860 goto ret;
5861 }
5862
5863 c = (AwtComponent *)pData;
5864 if (::IsWindow(c->GetHWnd())) {
5865 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
5866 }
5867 ret:
5868 env->DeleteGlobalRef(self);
5869
5870 delete sfs;
5871 }
5872
5873 void AwtComponent::_Start(void *param)
5874 {
5875 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5876
5877 jobject self = (jobject)param;
5878
5879 AwtComponent *c = NULL;
5880
5881 PDATA pData;
5882 JNI_CHECK_PEER_GOTO(self, ret);
5883 c = (AwtComponent *)pData;
5884 if (::IsWindow(c->GetHWnd()))
5885 {
5886 jobject target = c->GetTarget(env);
5887
5888 /* Disable window if specified -- windows are enabled by default. */
5889 jboolean enabled = (jboolean)env->GetBooleanField(target,
5890 AwtComponent::enabledID);
5891 if (!enabled) {
5892 ::EnableWindow(c->GetHWnd(), FALSE);
5893 }
5894
5895 /* The peer is now ready for callbacks, since this is the last
5896 * initialization call
5897 */
5898 c->EnableCallbacks(TRUE);
5899
5900 // Fix 4745222: we need to invalidate region since we validated it before initialization.
5901 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
5902
5903 // Fix 4530093: WM_PAINT after EnableCallbacks
5904 ::UpdateWindow(c->GetHWnd());
5905
5906 env->DeleteLocalRef(target);
5907 }
5908 ret:
5909 env->DeleteGlobalRef(self);
5910 }
5911
5912 void AwtComponent::_BeginValidate(void *param)
5913 {
5914 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5915 if (AwtToolkit::IsMainThread()) {
5916 jobject self = (jobject)param;
5917 if (self != NULL) {
5918 PDATA pData = JNI_GET_PDATA(self);
5919 if (pData) {
5920 AwtComponent *c = (AwtComponent *)pData;
5921 if (::IsWindow(c->GetHWnd())) {
5922 c->SendMessage(WM_AWT_BEGIN_VALIDATE);
5923 }
5924 }
5925 env->DeleteGlobalRef(self);
5926 }
5927 } else {
5928 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
5929 }
5930 }
5931
5932 void AwtComponent::_EndValidate(void *param)
5933 {
5934 if (AwtToolkit::IsMainThread()) {
5935 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5936 jobject self = (jobject)param;
5937 if (self != NULL) {
5938 PDATA pData = JNI_GET_PDATA(self);
5939 if (pData) {
5940 AwtComponent *c = (AwtComponent *)pData;
5941 if (::IsWindow(c->GetHWnd())) {
5942 c->SendMessage(WM_AWT_END_VALIDATE);
5943 }
5944 }
5945 env->DeleteGlobalRef(self);
5946 }
5947 } else {
5948 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
5949 }
5950 }
5951
5952 void AwtComponent::_UpdateWindow(void *param)
5953 {
5954 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5955 if (AwtToolkit::IsMainThread()) {
5956 jobject self = (jobject)param;
5957 AwtComponent *c = NULL;
5958 PDATA pData;
5959 JNI_CHECK_PEER_GOTO(self, ret);
5960 c = (AwtComponent *)pData;
5961 if (::IsWindow(c->GetHWnd())) {
5962 ::UpdateWindow(c->GetHWnd());
5963 }
5964 ret:
5965 env->DeleteGlobalRef(self);
5966 } else {
5967 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
5968 }
5969 }
5970
5971 jlong AwtComponent::_AddNativeDropTarget(void *param)
5972 {
5973 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5974
5975 jobject self = (jobject)param;
5976
5977 jlong result = 0;
5978 AwtComponent *c = NULL;
5979
5980 PDATA pData;
5981 JNI_CHECK_PEER_GOTO(self, ret);
5982 c = (AwtComponent *)pData;
5983 if (::IsWindow(c->GetHWnd()))
5984 {
5985 result = (jlong)(c->CreateDropTarget(env));
5986 }
5987 ret:
5988 env->DeleteGlobalRef(self);
5989
5990 return result;
5991 }
5992
5993 void AwtComponent::_RemoveNativeDropTarget(void *param)
5994 {
5995 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5996
5997 jobject self = (jobject)param;
5998
5999 AwtComponent *c = NULL;
6000
6001 PDATA pData;
6002 JNI_CHECK_PEER_GOTO(self, ret);
6003 c = (AwtComponent *)pData;
6004 if (::IsWindow(c->GetHWnd()))
6005 {
6006 c->DestroyDropTarget();
6007 }
6008 ret:
6009 env->DeleteGlobalRef(self);
6010 }
6011
6012 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6013 {
6014 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6015
6016 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6017 jobject self = cpps->component;
6018
6019 jintArray result = NULL;
6020 AwtComponent *c = NULL;
6021
6022 PDATA pData;
6023 JNI_CHECK_PEER_GOTO(self, ret);
6024 c = (AwtComponent *)pData;
6025 if (::IsWindow(c->GetHWnd()))
6026 {
6027 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6028 }
6029 ret:
6030 env->DeleteGlobalRef(self);
6031
6032 delete cpps;
6033 return result; // this reference is global
6034 }
6035
6036 jboolean AwtComponent::_IsObscured(void *param)
6037 {
6038 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6039
6040 jobject self = (jobject)param;
6041
6042 jboolean result = JNI_FALSE;
6043 AwtComponent *c = NULL;
6044
6045 PDATA pData;
6046 JNI_CHECK_PEER_GOTO(self, ret);
6047
6048 c = (AwtComponent *)pData;
6049
6050 if (::IsWindow(c->GetHWnd()))
6051 {
6052 HWND hWnd = c->GetHWnd();
6053 HDC hDC = ::GetDC(hWnd);
6054 RECT clipbox;
6055 int callresult = ::GetClipBox(hDC, &clipbox);
6056 switch(callresult) {
6057 case NULLREGION :
6058 result = JNI_FALSE;
6059 break;
6060 case SIMPLEREGION : {
6061 RECT windowRect;
6062 if (!::GetClientRect(hWnd, &windowRect)) {
6063 result = JNI_TRUE;
6064 } else {
6065 result = (jboolean)((clipbox.bottom != windowRect.bottom)
6066 || (clipbox.left != windowRect.left)
6067 || (clipbox.right != windowRect.right)
6068 || (clipbox.top != windowRect.top));
6069 }
6070 break;
6071 }
6072 case COMPLEXREGION :
6073 default :
6074 result = JNI_TRUE;
6075 break;
6076 }
6077 ::ReleaseDC(hWnd, hDC);
6078 }
6079 ret:
6080 env->DeleteGlobalRef(self);
6081
6082 return result;
6083 }
6084
6085 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6086 {
6087 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6088
6089 jobject self = (jobject)param;
6090
6091 jboolean result = JNI_FALSE;
6092 AwtComponent *c = NULL;
6093
6094 PDATA pData;
6095 JNI_CHECK_PEER_GOTO(self, ret);
6096 c = (AwtComponent *)pData;
6097 if (::IsWindow(c->GetHWnd()))
6098 {
6099 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6100 }
6101 ret:
6102 env->DeleteGlobalRef(self);
6103
6104 return result;
6105 }
6106
6107 void AwtComponent::SetParent(void * param) {
6108 if (AwtToolkit::IsMainThread()) {
6109 AwtComponent** comps = (AwtComponent**)param;
6110 if ((comps[0] != NULL) && (comps[1] != NULL)) {
6111 HWND selfWnd = comps[0]->GetHWnd();
6112 HWND parentWnd = comps[1]->GetHWnd();
6113 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6114 // Shouldn't trigger native focus change
6115 // (only the proxy may be the native focus owner).
6116 ::SetParent(selfWnd, parentWnd);
6117 }
6118 }
6119 delete[] comps;
6120 } else {
6121 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::SetParent, param);
6122 }
6123 }
6124
6125 void AwtComponent::_SetRectangularShape(void *param)
6126 {
6127 if (!AwtToolkit::IsMainThread()) {
6128 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6129 } else {
6130 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6131
6132 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6133 jobject self = data->component;
6134 jint x1 = data->x1;
6135 jint x2 = data->x2;
6136 jint y1 = data->y1;
6137 jint y2 = data->y2;
6138 jobject region = data->region;
6139
6140 AwtComponent *c = NULL;
6141
6142 PDATA pData;
6143 JNI_CHECK_PEER_GOTO(self, ret);
6144
6145 c = (AwtComponent *)pData;
6146 if (::IsWindow(c->GetHWnd())) {
6147 HRGN hRgn = NULL;
6148
6149 // If all the params are zeros, the shape must be simply reset.
6150 // Otherwise, convert it into a region.
6151 if (region || x1 || x2 || y1 || y2) {
6152 RECT_T rects[256];
6153 RECT_T *pRect = rects;
6154
6155 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6156 region, &pRect, sizeof(rects)/sizeof(rects[0]));
6157 if (!pRect) {
6158 // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6159 // so throw the exception explicitly
6160 throw std::bad_alloc();
6161 }
6162
6163 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6164 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6165 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6166 if (pRect != rects) {
6167 free(pRect);
6168 }
6169 pRect = NULL;
6170
6171 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6172 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6173 pRgnHdr->iType = RDH_RECTANGLES;
6174 pRgnHdr->nRgnSize = 0;
6175 pRgnHdr->rcBound.top = 0;
6176 pRgnHdr->rcBound.left = 0;
6177 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6178 pRgnHdr->rcBound.right = LONG(x2 - x1);
6179 pRgnHdr->nCount = numrects;
6180
6181 hRgn = ::ExtCreateRegion(NULL,
6182 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6183
6184 free(pRgnData);
6185 }
6186
6187 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6188 }
6189
6190 ret:
6191 env->DeleteGlobalRef(self);
6192 if (region) {
6193 env->DeleteGlobalRef(region);
6194 }
6195
6196 delete data;
6197 }
6198 }
6199
6200 void AwtComponent::_SetZOrder(void *param) {
6201 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6202
6203 SetZOrderStruct *data = (SetZOrderStruct *)param;
6204 jobject self = data->component;
6205 HWND above = HWND_TOP;
6206 if (data->above != 0) {
6207 above = reinterpret_cast<HWND>(data->above);
6208 }
6209
6210 AwtComponent *c = NULL;
6211
6212 PDATA pData;
6213 JNI_CHECK_PEER_GOTO(self, ret);
6214
6215 c = (AwtComponent *)pData;
6216 if (::IsWindow(c->GetHWnd())) {
6217 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6218 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6219 }
6220
6221 ret:
6222 env->DeleteGlobalRef(self);
6223
6224 delete data;
6225 }
6226
6227 void AwtComponent::PostUngrabEvent() {
6228 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6229 jobject target = GetTarget(env);
6230 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6231 target);
6232 if (safe_ExceptionOccurred(env)) {
6233 env->ExceptionDescribe();
6234 env->ExceptionClear();
6235 }
6236 env->DeleteLocalRef(target);
6237 if (event != NULL) {
6238 SendEvent(event);
6239 env->DeleteLocalRef(event);
6240 }
6241 }
6242
6243 void AwtComponent::SetFocusedWindow(HWND window)
6244 {
6245 HWND old = sm_focusedWindow;
6246 sm_focusedWindow = window;
6247
6248 AwtWindow::FocusedWindowChanged(old, window);
6249 }
6250
6251 /************************************************************************
6252 * Component native methods
6253 */
6254
6255 extern "C" {
6256
6257 /**
6258 * This method is called from the WGL pipeline when it needs to retrieve
6259 * the HWND associated with a ComponentPeer's C++ level object.
6260 */
6261 HWND
6262 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6263 {
6264 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6265 if (p == NULL) {
6266 return (HWND)0;
6267 }
6268 return p->GetHWnd();
6269 }
6270
6271 static void _GetInsets(void* param)
6272 {
6273 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6274
6275 GetInsetsStruct *gis = (GetInsetsStruct *)param;
6276 jobject self = gis->window;
6277
6278 gis->insets->left = gis->insets->top =
6279 gis->insets->right = gis->insets->bottom = 0;
6280
6281 PDATA pData;
6282 JNI_CHECK_PEER_GOTO(self, ret);
6283 AwtComponent *component = (AwtComponent *)pData;
6284
6285 component->GetInsets(gis->insets);
6286
6287 ret:
6288 env->DeleteGlobalRef(self);
6289 delete gis;
6290 }
6291
6292 /**
6293 * This method is called from the WGL pipeline when it needs to retrieve
6294 * the insets associated with a ComponentPeer's C++ level object.
6295 */
6296 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6297 {
6298 TRY;
6299
6300 GetInsetsStruct *gis = new GetInsetsStruct;
6301 gis->window = env->NewGlobalRef(peer);
6302 gis->insets = insets;
6303
6304 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6305 // global refs and mds are deleted in _UpdateWindow
6306
6307 CATCH_BAD_ALLOC;
6308
6309 }
6310
6311 JNIEXPORT void JNICALL
6312 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6313 {
6314 TRY;
6315 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6316 CHECK_NULL(inputEventClazz);
6317 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6318 CHECK_NULL(getButtonDownMasksID);
6319 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6320 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6321 CHECK_NULL(tmp);
6322 jsize len = env->GetArrayLength(obj);
6323 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6324 for (int i = 0; i < len; i++) {
6325 AwtComponent::masks[i] = tmp[i];
6326 }
6327 env->ReleaseIntArrayElements(obj, tmp, 0);
6328 env->DeleteLocalRef(obj);
6329
6330 /* class ids */
6331 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6332
6333 DASSERT(peerCls);
6334 CHECK_NULL(peerCls);
6335
6336 /* field ids */
6337 AwtComponent::peerID =
6338 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6339 DASSERT(AwtComponent::peerID);
6340 CHECK_NULL(AwtComponent::peerID);
6341
6342 AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6343 DASSERT(AwtComponent::xID);
6344 CHECK_NULL(AwtComponent::xID);
6345
6346 AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6347 DASSERT(AwtComponent::yID);
6348 CHECK_NULL(AwtComponent::yID);
6349
6350 AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6351 DASSERT(AwtComponent::heightID);
6352 CHECK_NULL(AwtComponent::heightID);
6353
6354 AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6355 DASSERT(AwtComponent::widthID);
6356 CHECK_NULL(AwtComponent::widthID);
6357
6358 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6359 DASSERT(AwtComponent::visibleID);
6360 CHECK_NULL(AwtComponent::visibleID);
6361
6362 AwtComponent::backgroundID =
6363 env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6364 DASSERT(AwtComponent::backgroundID);
6365 CHECK_NULL(AwtComponent::backgroundID);
6366
6367 AwtComponent::foregroundID =
6368 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6369 DASSERT(AwtComponent::foregroundID);
6370 CHECK_NULL(AwtComponent::foregroundID);
6371
6372 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6373 DASSERT(AwtComponent::enabledID);
6374 CHECK_NULL(AwtComponent::enabledID);
6375
6376 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6377 DASSERT(AwtComponent::parentID);
6378 CHECK_NULL(AwtComponent::parentID);
6379
6380 AwtComponent::graphicsConfigID =
6381 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6382 DASSERT(AwtComponent::graphicsConfigID);
6383 CHECK_NULL(AwtComponent::graphicsConfigID);
6384
6385 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6386 DASSERT(AwtComponent::focusableID);
6387 CHECK_NULL(AwtComponent::focusableID);
6388
6389 AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6390 "Lsun/awt/AppContext;");
6391 DASSERT(AwtComponent::appContextID);
6392 CHECK_NULL(AwtComponent::appContextID);
6393
6394 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6395 "Lsun/awt/Win32GraphicsConfig;");
6396 DASSERT(AwtComponent::peerGCID);
6397 CHECK_NULL(AwtComponent::peerGCID);
6398
6399 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6400 DASSERT(AwtComponent::hwndID);
6401 CHECK_NULL(AwtComponent::hwndID);
6402
6403 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6404 DASSERT(AwtComponent::cursorID);
6405 CHECK_NULL(AwtComponent::cursorID);
6406
6407 /* method ids */
6408 AwtComponent::getFontMID =
6409 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6410 DASSERT(AwtComponent::getFontMID);
6411 CHECK_NULL(AwtComponent::getFontMID);
6412
6413 AwtComponent::getToolkitMID =
6414 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6415 DASSERT(AwtComponent::getToolkitMID);
6416 CHECK_NULL(AwtComponent::getToolkitMID);
6417
6418 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6419 DASSERT(AwtComponent::isEnabledMID);
6420 CHECK_NULL(AwtComponent::isEnabledMID);
6421
6422 AwtComponent::getLocationOnScreenMID =
6423 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6424 DASSERT(AwtComponent::getLocationOnScreenMID);
6425 CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6426
6427 AwtComponent::replaceSurfaceDataMID =
6428 env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6429 DASSERT(AwtComponent::replaceSurfaceDataMID);
6430 CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6431
6432 AwtComponent::replaceSurfaceDataLaterMID =
6433 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6434 DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6435 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6436
6437 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6438 DASSERT(AwtComponent::disposeLaterMID);
6439 CHECK_NULL(AwtComponent::disposeLaterMID);
6440
6441 CATCH_BAD_ALLOC;
6442 }
6443
6444 } /* extern "C" */
6445
6446
6447 /************************************************************************
6448 * ComponentPeer native methods
6449 */
6450
6451 extern "C" {
6452
6453 /*
6454 * Class: sun_awt_windows_WComponentPeer
6455 * Method: pShow
6456 * Signature: ()V
6457 */
6458 JNIEXPORT void JNICALL
6459 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6460 {
6461 TRY;
6462
6463 jobject selfGlobalRef = env->NewGlobalRef(self);
6464
6465 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6466 // selfGlobalRef is deleted in _Show
6467
6468 CATCH_BAD_ALLOC;
6469 }
6470
6471 /*
6472 * Class: sun_awt_windows_WComponentPeer
6473 * Method: hide
6474 * Signature: ()V
6475 */
6476 JNIEXPORT void JNICALL
6477 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6478 {
6479 TRY;
6480
6481 jobject selfGlobalRef = env->NewGlobalRef(self);
6482
6483 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6484 // selfGlobalRef is deleted in _Hide
6485
6486 CATCH_BAD_ALLOC;
6487 }
6488
6489 /*
6490 * Class: sun_awt_windows_WComponentPeer
6491 * Method: enable
6492 * Signature: ()V
6493 */
6494 JNIEXPORT void JNICALL
6495 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6496 {
6497 TRY;
6498
6499 jobject selfGlobalRef = env->NewGlobalRef(self);
6500
6501 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6502 // selfGlobalRef is deleted in _Enable
6503
6504 CATCH_BAD_ALLOC;
6505 }
6506
6507 /*
6508 * Class: sun_awt_windows_WComponentPeer
6509 * Method: disable
6510 * Signature: ()V
6511 */
6512 JNIEXPORT void JNICALL
6513 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6514 {
6515 TRY;
6516
6517 jobject selfGlobalRef = env->NewGlobalRef(self);
6518
6519 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6520 // selfGlobalRef is deleted in _Disable
6521
6522 CATCH_BAD_ALLOC;
6523 }
6524
6525 /*
6526 * Class: sun_awt_windows_WComponentPeer
6527 * Method: getLocationOnScreen
6528 * Signature: ()Ljava/awt/Point;
6529 */
6530 JNIEXPORT jobject JNICALL
6531 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6532 {
6533 TRY;
6534
6535 jobject selfGlobalRef = env->NewGlobalRef(self);
6536
6537 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6538 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6539 // selfGlobalRef is deleted in _GetLocationOnScreen
6540 if (resultGlobalRef != NULL)
6541 {
6542 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6543 env->DeleteGlobalRef(resultGlobalRef);
6544 return resultLocalRef;
6545 }
6546
6547 return NULL;
6548
6549 CATCH_BAD_ALLOC_RET(NULL);
6550 }
6551
6552 /*
6553 * Class: sun_awt_windows_WComponentPeer
6554 * Method: reshape
6555 * Signature: (IIII)V
6556 */
6557 JNIEXPORT void JNICALL
6558 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6559 jint x, jint y, jint w, jint h)
6560 {
6561 TRY;
6562
6563 ReshapeStruct *rs = new ReshapeStruct;
6564 rs->component = env->NewGlobalRef(self);
6565 rs->x = x;
6566 rs->y = y;
6567 rs->w = w;
6568 rs->h = h;
6569
6570 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6571 // global ref and rs are deleted in _Reshape
6572
6573 CATCH_BAD_ALLOC;
6574 }
6575
6576 /*
6577 * Class: sun_awt_windows_WComponentPeer
6578 * Method: reshape
6579 * Signature: (IIII)V
6580 */
6581 JNIEXPORT void JNICALL
6582 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6583 jint x, jint y, jint w, jint h)
6584 {
6585 TRY;
6586
6587 ReshapeStruct *rs = new ReshapeStruct;
6588 rs->component = env->NewGlobalRef(self);
6589 rs->x = x;
6590 rs->y = y;
6591 rs->w = w;
6592 rs->h = h;
6593
6594 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6595 // global ref and rs are deleted in _ReshapeNoCheck
6596
6597 CATCH_BAD_ALLOC;
6598 }
6599
6600
6601 /*
6602 * Class: sun_awt_windows_WComponentPeer
6603 * Method: nativeHandleEvent
6604 * Signature: (Ljava/awt/AWTEvent;)V
6605 */
6606 JNIEXPORT void JNICALL
6607 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6608 jobject self,
6609 jobject event)
6610 {
6611 TRY;
6612
6613 jobject selfGlobalRef = env->NewGlobalRef(self);
6614 jobject eventGlobalRef = env->NewGlobalRef(event);
6615
6616 NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6617 nhes->component = selfGlobalRef;
6618 nhes->event = eventGlobalRef;
6619
6620 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6621 // global refs and nhes are deleted in _NativeHandleEvent
6622
6623 CATCH_BAD_ALLOC;
6624 }
6625
6626 /*
6627 * Class: sun_awt_windows_WComponentPeer
6628 * Method: _dispose
6629 * Signature: ()V
6630 */
6631 JNIEXPORT void JNICALL
6632 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6633 {
6634 TRY_NO_HANG;
6635
6636 AwtObject::_Dispose(self);
6637
6638 CATCH_BAD_ALLOC;
6639 }
6640
6641 /*
6642 * Class: sun_awt_windows_WComponentPeer
6643 * Method: _setForeground
6644 * Signature: (I)V
6645 */
6646 JNIEXPORT void JNICALL
6647 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6648 jint rgb)
6649 {
6650 TRY;
6651
6652 jobject selfGlobalRef = env->NewGlobalRef(self);
6653
6654 SetColorStruct *scs = new SetColorStruct;
6655 scs->component = selfGlobalRef;
6656 scs->rgb = rgb;
6657
6658 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6659 // selfGlobalRef and scs are deleted in _SetForeground()
6660
6661 CATCH_BAD_ALLOC;
6662 }
6663
6664 /*
6665 * Class: sun_awt_windows_WComponentPeer
6666 * Method: _setBackground
6667 * Signature: (I)V
6668 */
6669 JNIEXPORT void JNICALL
6670 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6671 jint rgb)
6672 {
6673 TRY;
6674
6675 jobject selfGlobalRef = env->NewGlobalRef(self);
6676
6677 SetColorStruct *scs = new SetColorStruct;
6678 scs->component = selfGlobalRef;
6679 scs->rgb = rgb;
6680
6681 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6682 // selfGlobalRef and scs are deleted in _SetBackground()
6683
6684 CATCH_BAD_ALLOC;
6685 }
6686
6687 /*
6688 * Class: sun_awt_windows_WComponentPeer
6689 * Method: _setFont
6690 * Signature: (Ljava/awt/Font;)V
6691 */
6692 JNIEXPORT void JNICALL
6693 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6694 jobject font)
6695 {
6696 TRY;
6697
6698 jobject selfGlobalRef = env->NewGlobalRef(self);
6699 jobject fontGlobalRef = env->NewGlobalRef(font);
6700
6701 SetFontStruct *sfs = new SetFontStruct;
6702 sfs->component = selfGlobalRef;
6703 sfs->font = fontGlobalRef;
6704
6705 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6706 // global refs and sfs are deleted in _SetFont()
6707
6708 CATCH_BAD_ALLOC;
6709 }
6710
6711 /*
6712 * Class: sun_awt_windows_WComponentPeer
6713 * Method: focusGained
6714 * Signature: (Z)
6715 */
6716 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6717 (JNIEnv *env, jobject self, jboolean doSetFocus)
6718 {
6719 TRY;
6720
6721 jobject selfGlobalRef = env->NewGlobalRef(self);
6722
6723 SetFocusStruct *sfs = new SetFocusStruct;
6724 sfs->component = selfGlobalRef;
6725 sfs->doSetFocus = doSetFocus;
6726
6727 AwtToolkit::GetInstance().SyncCall(
6728 (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6729 // global refs and self are deleted in _SetFocus
6730
6731 CATCH_BAD_ALLOC;
6732 }
6733
6734 /*
6735 * Class: sun_awt_windows_WComponentPeer
6736 * Method: start
6737 * Signature: ()V
6738 */
6739 JNIEXPORT void JNICALL
6740 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6741 {
6742 TRY;
6743
6744 jobject selfGlobalRef = env->NewGlobalRef(self);
6745
6746 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6747 // selfGlobalRef is deleted in _Start
6748
6749 CATCH_BAD_ALLOC;
6750 }
6751
6752 /*
6753 * Class: sun_awt_windows_WComponentPeer
6754 * Method: beginValidate
6755 * Signature: ()V
6756 */
6757 JNIEXPORT void JNICALL
6758 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6759 {
6760 TRY;
6761
6762 jobject selfGlobalRef = env->NewGlobalRef(self);
6763
6764 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6765 // selfGlobalRef is deleted in _BeginValidate
6766
6767 CATCH_BAD_ALLOC;
6768 }
6769
6770 /*
6771 * Class: sun_awt_windows_WComponentPeer
6772 * Method: endValidate
6773 * Signature: ()V
6774 */
6775 JNIEXPORT void JNICALL
6776 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6777 {
6778 TRY;
6779
6780 jobject selfGlobalRef = env->NewGlobalRef(self);
6781
6782 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
6783 // selfGlobalRef is deleted in _EndValidate
6784
6785 CATCH_BAD_ALLOC;
6786 }
6787
6788 JNIEXPORT void JNICALL
6789 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
6790 {
6791 TRY;
6792
6793 jobject selfGlobalRef = env->NewGlobalRef(self);
6794
6795 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
6796 // selfGlobalRef is deleted in _UpdateWindow
6797
6798 CATCH_BAD_ALLOC;
6799 }
6800
6801 /*
6802 * Class: sun_awt_windows_WComponentPeer
6803 * Method: addNativeDropTarget
6804 * Signature: ()L
6805 */
6806
6807 JNIEXPORT jlong JNICALL
6808 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
6809 jobject self)
6810 {
6811 TRY;
6812
6813 jobject selfGlobalRef = env->NewGlobalRef(self);
6814
6815 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
6816 (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
6817 (void *)selfGlobalRef));
6818 // selfGlobalRef is deleted in _AddNativeDropTarget
6819
6820 CATCH_BAD_ALLOC_RET(0);
6821 }
6822
6823 /*
6824 * Class: sun_awt_windows_WComponentPeer
6825 * Method: removeNativeDropTarget
6826 * Signature: ()V
6827 */
6828
6829 JNIEXPORT void JNICALL
6830 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
6831 jobject self)
6832 {
6833 TRY;
6834
6835 jobject selfGlobalRef = env->NewGlobalRef(self);
6836
6837 AwtToolkit::GetInstance().SyncCall(
6838 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
6839 // selfGlobalRef is deleted in _RemoveNativeDropTarget
6840
6841 CATCH_BAD_ALLOC;
6842 }
6843
6844 /*
6845 * Class: sun_awt_windows_WComponentPeer
6846 * Method: getTargetGC
6847 * Signature: ()Ljava/awt/GraphicsConfiguration;
6848 */
6849 JNIEXPORT jobject JNICALL
6850 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
6851 {
6852 TRY;
6853
6854 jobject targetObj;
6855 jobject gc = 0;
6856
6857 targetObj = env->GetObjectField(theThis, AwtObject::targetID);
6858 DASSERT(targetObj);
6859
6860 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
6861 return gc;
6862
6863 CATCH_BAD_ALLOC_RET(NULL);
6864 }
6865
6866 /*
6867 * Class: sun_awt_windows_WComponentPeer
6868 * Method: createPrintedPixels
6869 * Signature: (IIIIII)I[
6870 */
6871 JNIEXPORT jintArray JNICALL
6872 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
6873 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
6874 {
6875 TRY;
6876
6877 jobject selfGlobalRef = env->NewGlobalRef(self);
6878
6879 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
6880 cpps->component = selfGlobalRef;
6881 cpps->srcx = srcX;
6882 cpps->srcy = srcY;
6883 cpps->srcw = srcW;
6884 cpps->srch = srcH;
6885 cpps->alpha = alpha;
6886
6887 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
6888 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
6889 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
6890 if (globalRef != NULL)
6891 {
6892 jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
6893 env->DeleteGlobalRef(globalRef);
6894 return localRef;
6895 }
6896 else
6897 {
6898 return NULL;
6899 }
6900
6901 CATCH_BAD_ALLOC_RET(NULL);
6902 }
6903
6904 /*
6905 * Class: sun_awt_windows_WComponentPeer
6906 * Method: nativeHandlesWheelScrolling
6907 * Signature: ()Z
6908 */
6909 JNIEXPORT jboolean JNICALL
6910 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
6911 jobject self)
6912 {
6913 TRY;
6914
6915 return (jboolean)AwtToolkit::GetInstance().SyncCall(
6916 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
6917 env->NewGlobalRef(self));
6918 // global ref is deleted in _NativeHandlesWheelScrolling
6919
6920 CATCH_BAD_ALLOC_RET(NULL);
6921 }
6922
6923 /*
6924 * Class: sun_awt_windows_WComponentPeer
6925 * Method: isObscured
6926 * Signature: ()Z
6927 */
6928 JNIEXPORT jboolean JNICALL
6929 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
6930 jobject self)
6931 {
6932 TRY;
6933
6934 jobject selfGlobalRef = env->NewGlobalRef(self);
6935
6936 return (jboolean)AwtToolkit::GetInstance().SyncCall(
6937 (void*(*)(void*))AwtComponent::_IsObscured,
6938 (void *)selfGlobalRef);
6939 // selfGlobalRef is deleted in _IsObscured
6940
6941 CATCH_BAD_ALLOC_RET(NULL);
6942 }
6943
6944 JNIEXPORT void JNICALL
6945 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
6946 TRY;
6947
6948 typedef AwtComponent* PComponent;
6949 AwtComponent** comps = new PComponent[2];
6950 AwtComponent* comp = (AwtComponent*)JNI_GET_PDATA(self);
6951 AwtComponent* parentComp = (AwtComponent*)JNI_GET_PDATA(parent);
6952 comps[0] = comp;
6953 comps[1] = parentComp;
6954
6955 AwtToolkit::GetInstance().SyncCall(AwtComponent::SetParent, comps);
6956 // comps is deleted in SetParent
6957
6958 CATCH_BAD_ALLOC;
6959 }
6960
6961 JNIEXPORT void JNICALL
6962 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
6963 jint x1, jint y1, jint x2, jint y2, jobject region)
6964 {
6965 TRY;
6966
6967 SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
6968 data->component = env->NewGlobalRef(self);
6969 data->x1 = x1;
6970 data->x2 = x2;
6971 data->y1 = y1;
6972 data->y2 = y2;
6973 if (region) {
6974 data->region = env->NewGlobalRef(region);
6975 } else {
6976 data->region = NULL;
6977 }
6978
6979 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
6980 // global refs and data are deleted in _SetRectangularShape
6981
6982 CATCH_BAD_ALLOC;
6983 }
6984
6985 JNIEXPORT void JNICALL
6986 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
6987 {
6988 TRY;
6989
6990 SetZOrderStruct * data = new SetZOrderStruct;
6991 data->component = env->NewGlobalRef(self);
6992 data->above = above;
6993
6994 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
6995 // global refs and data are deleted in _SetLower
6996
6997 CATCH_BAD_ALLOC;
6998 }
6999
7000 } /* extern "C" */
7001
7002
7003 /************************************************************************
7004 * Diagnostic routines
7005 */
7006
7007 #ifdef DEBUG
7008
7009 void AwtComponent::VerifyState()
7010 {
7011 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7012 return;
7013 }
7014
7015 if (m_callbacksEnabled == FALSE) {
7016 /* Component is not fully setup yet. */
7017 return;
7018 }
7019
7020 /* Get target bounds. */
7021 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7022 if (env->PushLocalFrame(10) < 0)
7023 return;
7024
7025 jobject target = GetTarget(env);
7026
7027 jint x = env->GetIntField(target, AwtComponent::xID);
7028 jint y = env->GetIntField(target, AwtComponent::yID);
7029 jint width = env->GetIntField(target, AwtComponent::widthID);
7030 jint height = env->GetIntField(target, AwtComponent::heightID);
7031
7032 /* Convert target origin to absolute coordinates */
7033 while (TRUE) {
7034
7035 jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7036 if (parent == NULL) {
7037 break;
7038 }
7039 x += env->GetIntField(parent, AwtComponent::xID);
7040 y += env->GetIntField(parent, AwtComponent::yID);
7041
7042 /* If this component has insets, factor them in, but ignore
7043 * top-level windows.
7044 */
7045 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7046 if (parent2 != NULL) {
7047 jobject peer = GetPeerForTarget(env, parent);
7048 if (peer != NULL &&
7049 JNU_IsInstanceOfByName(env, peer,
7050 "sun/awt/windows/WPanelPeer") > 0) {
7051 jobject insets =
7052 JNU_CallMethodByName(env, NULL, peer,"insets",
7053 "()Ljava/awt/Insets;").l;
7054 x += (env)->GetIntField(insets, AwtInsets::leftID);
7055 y += (env)->GetIntField(insets, AwtInsets::topID);
7056 }
7057 }
7058 env->DeleteLocalRef(target);
7059 target = parent;
7060 }
7061
7062 // Test whether component's bounds match the native window's
7063 RECT rect;
7064 VERIFY(::GetWindowRect(GetHWnd(), &rect));
7065 #if 0
7066 DASSERT( (x == rect.left) &&
7067 (y == rect.top) &&
7068 (width == (rect.right-rect.left)) &&
7069 (height == (rect.bottom-rect.top)) );
7070 #else
7071 BOOL fSizeValid = ( (x == rect.left) &&
7072 (y == rect.top) &&
7073 (width == (rect.right-rect.left)) &&
7074 (height == (rect.bottom-rect.top)) );
7075 #endif
7076
7077 // See if visible state matches
7078 BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7079 jboolean targetVisible;
7080 // To avoid possibly running client code on the toolkit thread, don't
7081 // do the following check if we're running on the toolkit thread.
7082 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7083 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7084 "isShowing", "()Z").z;
7085 DASSERT(!safe_ExceptionOccurred(env));
7086 } else {
7087 targetVisible = wndVisible ? 1 : 0;
7088 }
7089 #if 0
7090 DASSERT( (targetVisible && wndVisible) ||
7091 (!targetVisible && !wndVisible) );
7092 #else
7093 BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7094 (!targetVisible && !wndVisible) );
7095 #endif
7096
7097 // Check enabled state
7098 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7099 jboolean enabled = (jboolean)env->GetBooleanField(target,
7100 AwtComponent::enabledID);
7101 #if 0
7102 DASSERT( (enabled && wndEnabled) ||
7103 (!enabled && !wndEnabled) );
7104 #else
7105 BOOL fEnabledValid = ((enabled && wndEnabled) ||
7106 (!(enabled && !wndEnabled) ));
7107
7108 if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7109 printf("AwtComponent::ValidateState() failed:\n");
7110 // To avoid possibly running client code on the toolkit thread, don't
7111 // do the following call if we're running on the toolkit thread.
7112 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7113 jstring targetStr =
7114 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7115 "getName",
7116 "()Ljava/lang/String;").l;
7117 DASSERT(!safe_ExceptionOccurred(env));
7118 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7119 printf("\t%S\n", targetStrW);
7120 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7121 }
7122 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height);
7123 if (!fSizeValid) {
7124 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7125 rect.right-rect.left, rect.bottom-rect.top);
7126 }
7127 if (!fVisibleValid) {
7128 printf("\tshould be: %s\n",
7129 (targetVisible) ? "visible" : "hidden");
7130 }
7131 if (!fEnabledValid) {
7132 printf("\tshould be: %s\n",
7133 enabled ? "enabled" : "disabled");
7134 }
7135 }
7136 #endif
7137 env->PopLocalFrame(0);
7138 }
7139 #endif //DEBUG
7140
7141 // Methods for globally managed DC list
7142
7143 /**
7144 * Add a new DC to the DC list for this component.
7145 */
7146 void DCList::AddDC(HDC hDC, HWND hWnd)
7147 {
7148 DCItem *newItem = new DCItem;
7149 newItem->hDC = hDC;
7150 newItem->hWnd = hWnd;
7151 AddDCItem(newItem);
7152 }
7153
7154 void DCList::AddDCItem(DCItem *newItem)
7155 {
7156 listLock.Enter();
7157 newItem->next = head;
7158 head = newItem;
7159 listLock.Leave();
7160 }
7161
7162 /**
7163 * Given a DC, remove it from the DC list and return
7164 * TRUE if it exists on the current list. Otherwise
7165 * return FALSE.
7166 * A DC may not exist on the list because it has already
7167 * been released elsewhere (for example, the window
7168 * destruction process may release a DC while a rendering
7169 * thread may also want to release a DC when it notices that
7170 * its DC is obsolete for the current window).
7171 */
7172 DCItem *DCList::RemoveDC(HDC hDC)
7173 {
7174 listLock.Enter();
7175 DCItem **prevPtrPtr = &head;
7176 DCItem *listPtr = head;
7177 while (listPtr) {
7178 DCItem *nextPtr = listPtr->next;
7179 if (listPtr->hDC == hDC) {
7180 *prevPtrPtr = nextPtr;
7181 break;
7182 }
7183 prevPtrPtr = &listPtr->next;
7184 listPtr = nextPtr;
7185 }
7186 listLock.Leave();
7187 return listPtr;
7188 }
7189
7190 /**
7191 * Remove all DCs from the DC list which are associated with
7192 * the same window as hWnd. Return the list of those
7193 * DC's to the caller (which will then probably want to
7194 * call ReleaseDC() for the returned DCs).
7195 */
7196 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7197 {
7198 listLock.Enter();
7199 DCItem **prevPtrPtr = &head;
7200 DCItem *listPtr = head;
7201 DCItem *newListPtr = NULL;
7202 BOOL ret = FALSE;
7203 while (listPtr) {
7204 DCItem *nextPtr = listPtr->next;
7205 if (listPtr->hWnd == hWnd) {
7206 *prevPtrPtr = nextPtr;
7207 listPtr->next = newListPtr;
7208 newListPtr = listPtr;
7209 } else {
7210 prevPtrPtr = &listPtr->next;
7211 }
7212 listPtr = nextPtr;
7213 }
7214 listLock.Leave();
7215 return newListPtr;
7216 }
7217
7218
7219 /**
7220 * Realize palettes of all existing HDC objects
7221 */
7222 void DCList::RealizePalettes(int screen)
7223 {
7224 listLock.Enter();
7225 DCItem *listPtr = head;
7226 while (listPtr) {
7227 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7228 listPtr = listPtr->next;
7229 }
7230 listLock.Leave();
7231 }
7232
7233 void MoveDCToPassiveList(HDC hDC) {
7234 DCItem *removedDC;
7235 if ((removedDC = activeDCList.RemoveDC(hDC)) != NULL) {
7236 passiveDCList.AddDCItem(removedDC);
7237 }
7238 }
7239
7240 void ReleaseDCList(HWND hwnd, DCList &list) {
7241 DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7242 while (removedDCs) {
7243 DCItem *tmpDCList = removedDCs;
7244 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7245 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7246 VERIFY(retValue != 0);
7247 if (retValue != 0) {
7248 // Valid ReleaseDC call; need to decrement GDI object counter
7249 AwtGDIObject::Decrement();
7250 }
7251 removedDCs = removedDCs->next;
7252 delete tmpDCList;
7253 }
7254 }
7255