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