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