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