1 /*
2 * Copyright (c) 1996, 2016, 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_ActionEvent.h>
64 #include <java_awt_event_InputMethodEvent.h>
65 #include <sun_awt_windows_WInputMethod.h>
66 #include <java_awt_event_MouseEvent.h>
67 #include <java_awt_event_MouseWheelEvent.h>
68
69 // Begin -- Win32 SDK include files
70 #include <imm.h>
71 #include <ime.h>
72 // End -- Win32 SDK include files
73
74 #include <awt_DnDDT.h>
75
76 LPCTSTR szAwtComponentClassName = TEXT("SunAwtComponent");
77 // register a message that no other window in the process (even in a plugin
78 // scenario) will be using
79 const UINT AwtComponent::WmAwtIsComponent =
80 ::RegisterWindowMessage(szAwtComponentClassName);
81
82 static HWND g_hwndDown = NULL;
83 static DCList activeDCList;
84 static DCList passiveDCList;
85
86 extern void CheckFontSmoothingSettings(HWND);
87
88 extern "C" {
89 // Remember the input language has changed by some user's action
90 // (Alt+Shift or through the language icon on the Taskbar) to control the
91 // race condition between the toolkit thread and the AWT event thread.
92 // This flag remains TRUE until the next WInputMethod.getNativeLocale() is
93 // issued.
94 BOOL g_bUserHasChangedInputLang = FALSE;
95 }
96
97 BOOL AwtComponent::sm_suppressFocusAndActivation = FALSE;
98 BOOL AwtComponent::sm_restoreFocusAndActivation = FALSE;
99 HWND AwtComponent::sm_focusOwner = NULL;
100 HWND AwtComponent::sm_focusedWindow = NULL;
101 BOOL AwtComponent::sm_bMenuLoop = FALSE;
102 AwtComponent* AwtComponent::sm_getComponentCache = NULL;
103 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE;
104
105 /************************************************************************/
106 // Struct for _Reshape() and ReshapeNoCheck() methods
107 struct ReshapeStruct {
108 jobject component;
109 jint x, y;
110 jint w, h;
111 };
112 // Struct for _NativeHandleEvent() method
113 struct NativeHandleEventStruct {
114 jobject component;
115 jobject event;
116 };
117 // Struct for _SetForeground() and _SetBackground() methods
118 struct SetColorStruct {
119 jobject component;
120 jint rgb;
121 };
122 // Struct for _SetFont() method
123 struct SetFontStruct {
124 jobject component;
125 jobject font;
126 };
127 // Struct for _CreatePrintedPixels() method
128 struct CreatePrintedPixelsStruct {
129 jobject component;
130 int srcx, srcy;
131 int srcw, srch;
132 jint alpha;
133 };
134 // Struct for _SetRectangularShape() method
135 struct SetRectangularShapeStruct {
136 jobject component;
137 jint x1, x2, y1, y2;
138 jobject region;
139 };
140 // Struct for _GetInsets function
141 struct GetInsetsStruct {
142 jobject window;
143 RECT *insets;
144 };
145 // Struct for _SetZOrder function
146 struct SetZOrderStruct {
147 jobject component;
148 jlong above;
149 };
150 // Struct for _SetFocus function
151 struct SetFocusStruct {
152 jobject component;
153 jboolean doSetFocus;
154 };
155 /************************************************************************/
156
157 //////////////////////////////////////////////////////////////////////////
158
159 /*************************************************************************
160 * AwtComponent fields
161 */
162
163
164 jfieldID AwtComponent::peerID;
165 jfieldID AwtComponent::xID;
166 jfieldID AwtComponent::yID;
167 jfieldID AwtComponent::widthID;
168 jfieldID AwtComponent::heightID;
169 jfieldID AwtComponent::visibleID;
170 jfieldID AwtComponent::backgroundID;
171 jfieldID AwtComponent::foregroundID;
172 jfieldID AwtComponent::enabledID;
173 jfieldID AwtComponent::parentID;
174 jfieldID AwtComponent::graphicsConfigID;
175 jfieldID AwtComponent::peerGCID;
176 jfieldID AwtComponent::focusableID;
177 jfieldID AwtComponent::appContextID;
178 jfieldID AwtComponent::cursorID;
179 jfieldID AwtComponent::hwndID;
180
181 jmethodID AwtComponent::getFontMID;
182 jmethodID AwtComponent::getToolkitMID;
183 jmethodID AwtComponent::isEnabledMID;
184 jmethodID AwtComponent::getLocationOnScreenMID;
185 jmethodID AwtComponent::replaceSurfaceDataMID;
186 jmethodID AwtComponent::replaceSurfaceDataLaterMID;
187 jmethodID AwtComponent::disposeLaterMID;
188
189 HKL AwtComponent::m_hkl = ::GetKeyboardLayout(0);
190 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0));
191 UINT AwtComponent::m_CodePage
192 = AwtComponent::LangToCodePage(m_idLang);
193
194 jint *AwtComponent::masks;
195
196 static BOOL bLeftShiftIsDown = false;
197 static BOOL bRightShiftIsDown = false;
198 static UINT lastShiftKeyPressed = 0; // init to safe value
199
200 // Added by waleed to initialize the RTL Flags
201 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC ||
202 PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW;
203 BOOL AwtComponent::sm_rtlReadingOrder =
204 PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC;
205
206 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE;
207
208 HWND AwtComponent::sm_cursorOn;
209 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE;
210
211 CriticalSection windowMoveLock;
212 BOOL windowMoveLockHeld = FALSE;
213
214 /************************************************************************
215 * AwtComponent methods
216 */
217
218 AwtComponent::AwtComponent()
219 {
220 m_mouseButtonClickAllowed = 0;
221 m_callbacksEnabled = FALSE;
222 m_hwnd = NULL;
223
224 m_colorForeground = 0;
225 m_colorBackground = 0;
226 m_backgroundColorSet = FALSE;
227 m_penForeground = NULL;
228 m_brushBackground = NULL;
229 m_DefWindowProc = NULL;
230 m_nextControlID = 1;
231 m_childList = NULL;
232 m_myControlID = 0;
233 m_hdwp = NULL;
234 m_validationNestCount = 0;
235
236 m_dropTarget = NULL;
237
238 m_InputMethod = NULL;
239 m_useNativeCompWindow = TRUE;
240 m_PendingLeadByte = 0;
241 m_bitsCandType = 0;
242
243 windowMoveLockPosX = 0;
244 windowMoveLockPosY = 0;
245 windowMoveLockPosCX = 0;
246 windowMoveLockPosCY = 0;
247
248 m_hCursorCache = NULL;
249
250 m_bSubclassed = FALSE;
251 m_bPauseDestroy = FALSE;
252
253 m_MessagesProcessing = 0;
254 m_wheelRotationAmount = 0;
255 if (!sm_PrimaryDynamicTableBuilt) {
256 // do it once.
257 AwtComponent::BuildPrimaryDynamicTable();
258 sm_PrimaryDynamicTableBuilt = TRUE;
259 }
260
261 deadKeyActive = FALSE;
262 }
263
264 AwtComponent::~AwtComponent()
265 {
266 DASSERT(AwtToolkit::IsMainThread());
267
268 /* Disconnect all links. */
269 UnlinkObjects();
270
271 /*
272 * All the messages for this component are processed, native
273 * resources are freed, and Java object is not connected to
274 * the native one anymore. So we can safely destroy component's
275 * handle.
276 */
277 DestroyHWnd();
278
279 if (sm_getComponentCache == this) {
280 sm_getComponentCache = NULL;
281 }
282 }
283
284 void AwtComponent::Dispose()
285 {
286 // NOTE: in case the component/toplevel was focused, Java should
287 // have already taken care of proper transferring it or clearing.
288
289 if (m_hdwp != NULL) {
290 // end any deferred window positioning, regardless
291 // of m_validationNestCount
292 ::EndDeferWindowPos(m_hdwp);
293 }
294
295 // Send final message to release all DCs associated with this component
296 SendMessage(WM_AWT_RELEASE_ALL_DCS);
297
298 /* Stop message filtering. */
299 UnsubclassHWND();
300
301 /* Release global ref to input method */
302 SetInputMethod(NULL, TRUE);
303
304 if (m_childList != NULL)
305 delete m_childList;
306
307 DestroyDropTarget();
308 ReleaseDragCapture(0);
309
310 if (m_myControlID != 0) {
311 AwtComponent* parent = GetParent();
312 if (parent != NULL)
313 parent->RemoveChild(m_myControlID);
314 }
315
316 ::RemoveProp(GetHWnd(), DrawingStateProp);
317
318 /* Release any allocated resources. */
319 if (m_penForeground != NULL) {
320 m_penForeground->Release();
321 m_penForeground = NULL;
322 }
323 if (m_brushBackground != NULL) {
324 m_brushBackground->Release();
325 m_brushBackground = NULL;
326 }
327
328 if (m_bPauseDestroy) {
329 // AwtComponent::WmNcDestroy could be released now
330 m_bPauseDestroy = FALSE;
331 m_hwnd = NULL;
332 }
333
334 // The component instance is deleted using AwtObject::Dispose() method
335 AwtObject::Dispose();
336 }
337
338 /* store component pointer in window extra bytes */
339 void AwtComponent::SetComponentInHWND() {
340 DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL);
341 ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this);
342 }
343
344 /*
345 * static function to get AwtComponent pointer from hWnd --
346 * you don't want to call this from inside a wndproc to avoid
347 * infinite recursion
348 */
349 AwtComponent* AwtComponent::GetComponent(HWND hWnd) {
350 // Requests for Toolkit hwnd resolution happen pretty often. Check first.
351 if (hWnd == AwtToolkit::GetInstance().GetHWnd()) {
352 return NULL;
353 }
354 if (sm_getComponentCache && sm_getComponentCache->GetHWnd() == hWnd) {
355 return sm_getComponentCache;
356 }
357
358 // check that it's an AWT component from the same toolkit as the caller
359 if (::IsWindow(hWnd) &&
360 AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL))
361 {
362 DASSERT(WmAwtIsComponent != 0);
363 if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) {
364 return sm_getComponentCache = GetComponentImpl(hWnd);
365 }
366 }
367 return NULL;
368 }
369
370 /*
371 * static function to get AwtComponent pointer from hWnd--
372 * different from GetComponent because caller knows the
373 * hwnd is an AWT component hwnd
374 */
375 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) {
376 AwtComponent *component =
377 (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA);
378 DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) );
379 DASSERT(!component || component->GetHWnd() == hWnd );
380 return component;
381 }
382
383 /*
384 * Single window proc for all the components. Delegates real work to
385 * the component's WindowProc() member function.
386 */
387 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message,
388 WPARAM wParam, LPARAM lParam)
389 {
390 TRY;
391
392 AwtComponent * self = AwtComponent::GetComponentImpl(hWnd);
393 if (self == NULL || self->GetHWnd() != hWnd ||
394 message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully
395 {
396 return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam);
397 } else {
398 return self->WindowProc(message, wParam, lParam);
399 }
400
401 CATCH_BAD_ALLOC_RET(0);
402 }
403
404 BOOL AwtComponent::IsFocusable() {
405 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
406 jobject peer = GetPeer(env);
407 jobject target = env->GetObjectField(peer, AwtObject::targetID);
408 BOOL res = env->GetBooleanField(target, focusableID);
409 AwtWindow *pCont = GetContainer();
410 if (pCont) {
411 res &= pCont->IsFocusableWindow();
412 }
413 env->DeleteLocalRef(target);
414 return res;
415 }
416
417 /************************************************************************
418 * AwtComponent dynamic methods
419 *
420 * Window class registration routines
421 */
422
423 /*
424 * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon
425 */
426 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc)
427 {
428 lpwc->cbSize = sizeof(WNDCLASSEX);
429 lpwc->style = 0L;//CS_OWNDC;
430 lpwc->lpfnWndProc = (WNDPROC)::DefWindowProc;
431 lpwc->cbClsExtra = 0;
432 lpwc->cbWndExtra = 0;
433 lpwc->hInstance = AwtToolkit::GetInstance().GetModuleHandle(),
434 lpwc->hIcon = AwtToolkit::GetInstance().GetAwtIcon();
435 lpwc->hCursor = NULL;
436 lpwc->hbrBackground = NULL;
437 lpwc->lpszMenuName = NULL;
438 lpwc->lpszClassName = GetClassName();
439 //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32
440 lpwc->hIconSm = AwtToolkit::GetInstance().GetAwtIconSm();
441 }
442
443 void AwtComponent::RegisterClass()
444 {
445 WNDCLASSEX wc;
446 if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) {
447 FillClassInfo(&wc);
448 ATOM ret = ::RegisterClassEx(&wc);
449 DASSERT(ret != 0);
450 }
451 }
452
453 void AwtComponent::UnregisterClass()
454 {
455 ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle());
456 }
457
458 /*
459 * Copy the graphicsConfig reference from Component into WComponentPeer
460 */
461 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer)
462 {
463 jobject target = env->GetObjectField(peer, AwtObject::targetID);
464 //Get graphicsConfig object ref from Component
465 jobject compGC = env->GetObjectField(target,
466 AwtComponent::graphicsConfigID);
467
468 //Set peer's graphicsConfig to Component's graphicsConfig
469 if (compGC != NULL) {
470 jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig");
471 DASSERT(win32GCCls != NULL);
472 DASSERT(env->IsInstanceOf(compGC, win32GCCls));
473 if (win32GCCls == NULL) {
474 throw std::bad_alloc();
475 }
476 env->SetObjectField(peer, AwtComponent::peerGCID, compGC);
477 }
478 }
479
480 void
481 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title,
482 DWORD windowStyle,
483 DWORD windowExStyle,
484 int x, int y, int w, int h,
485 HWND hWndParent, HMENU hMenu,
486 COLORREF colorForeground,
487 COLORREF colorBackground,
488 jobject peer)
489 {
490 if (env->EnsureLocalCapacity(2) < 0) {
491 return;
492 }
493
494 /*
495 * The window class of multifont label must be "BUTTON" because
496 * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject
497 * member is referred in the GetClassName method of AwtLabel class.
498 * So m_peerObject member must be set here.
499 */
500 if (m_peerObject == NULL) {
501 m_peerObject = env->NewGlobalRef(peer);
502 } else {
503 assert(env->IsSameObject(m_peerObject, peer));
504 }
505
506 RegisterClass();
507
508 jobject target = env->GetObjectField(peer, AwtObject::targetID);
509 jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID);
510 m_visible = visible;
511
512 if (visible) {
513 windowStyle |= WS_VISIBLE;
514 } else {
515 windowStyle &= ~WS_VISIBLE;
516 }
517
518 InitPeerGraphicsConfig(env, peer);
519
520 SetLastError(0);
521 HWND hwnd = ::CreateWindowEx(windowExStyle,
522 GetClassName(),
523 title,
524 windowStyle,
525 x, y, w, h,
526 hWndParent,
527 hMenu,
528 AwtToolkit::GetInstance().GetModuleHandle(),
529 NULL);
530
531 // fix for 5088782
532 // check if CreateWindowsEx() returns not null value and if it does -
533 // create an InternalError or OutOfMemoryError based on GetLastError().
534 // This error is set to createError field of WObjectPeer and then
535 // checked and thrown in WComponentPeer constructor. We can't throw an
536 // error here because this code is invoked on Toolkit thread
537 if (hwnd == NULL)
538 {
539 DWORD dw = ::GetLastError();
540 jobject createError = NULL;
541 if (dw == ERROR_OUTOFMEMORY)
542 {
543 jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles");
544 if (errorMsg == NULL || env->ExceptionCheck()) {
545 env->ExceptionClear();
546 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V");
547 } else {
548 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError",
549 "(Ljava/lang/String;)V",
550 errorMsg);
551 env->DeleteLocalRef(errorMsg);
552 }
553 }
554 else
555 {
556 TCHAR *buf;
557 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
558 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
559 (LPTSTR)&buf, 0, NULL);
560 jstring s = JNU_NewStringPlatform(env, buf);
561 if (s == NULL || env->ExceptionCheck()) {
562 env->ExceptionClear();
563 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V");
564 } else {
565 createError = JNU_NewObjectByName(env, "java/lang/InternalError",
566 "(Ljava/lang/String;)V", s);
567 env->DeleteLocalRef(s);
568 }
569 LocalFree(buf);
570 }
571 if (createError != NULL) {
572 env->SetObjectField(peer, AwtObject::createErrorID, createError);
573 env->DeleteLocalRef(createError);
574 }
575 env->DeleteLocalRef(target);
576 return;
577 }
578
579 m_hwnd = hwnd;
580
581 ::ImmAssociateContext(m_hwnd, NULL);
582
583 SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED |
584 (jint)JAWT_LOCK_BOUNDS_CHANGED |
585 (jint)JAWT_LOCK_CLIP_CHANGED);
586
587 LinkObjects(env, peer);
588
589 /* Subclass the window now so that we can snoop on its messages */
590 SubclassHWND();
591
592 /*
593 * Fix for 4046446.
594 */
595 SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE);
596
597 /* Set default colors. */
598 m_colorForeground = colorForeground;
599 m_colorBackground = colorBackground;
600
601 /*
602 * Only set background color if the color is actually set on the
603 * target -- this avoids inheriting a parent's color unnecessarily,
604 * and has to be done here because there isn't an API to get the
605 * real background color from outside the AWT package.
606 */
607 jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ;
608 if (bkgrd != NULL) {
609 JNU_CallMethodByName(env, NULL, peer, "setBackground",
610 "(Ljava/awt/Color;)V", bkgrd);
611 DASSERT(!safe_ExceptionOccurred(env));
612 }
613 env->DeleteLocalRef(target);
614 env->DeleteLocalRef(bkgrd);
615 }
616
617 /*
618 * Destroy this window's HWND
619 */
620 void AwtComponent::DestroyHWnd() {
621 if (m_hwnd != NULL) {
622 AwtToolkit::DestroyComponentHWND(m_hwnd);
623 //AwtToolkit::DestroyComponent(this);
624 m_hwnd = NULL;
625 }
626 }
627
628 /*
629 * Returns hwnd for target on non Toolkit thread
630 */
631 HWND
632 AwtComponent::GetHWnd(JNIEnv* env, jobject target) {
633 if (JNU_IsNull(env, target)) {
634 return 0;
635 }
636 jobject peer = env->GetObjectField(target, AwtComponent::peerID);
637 if (JNU_IsNull(env, peer)) {
638 return 0;
639 }
640 HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> (
641 env->GetLongField(peer, AwtComponent::hwndID)));
642 env->DeleteLocalRef(peer);
643 return hwnd;
644 }
645 //
646 // Propagate the background color to synchronize Java field and peer's field.
647 // This is needed to fix 4148334
648 //
649 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target)
650 {
651 if (env->EnsureLocalCapacity(1) < 0) {
652 return;
653 }
654
655 jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID);
656
657 if (bkgrnd == NULL) {
658 bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V",
659 GetRValue(m_colorBackground),
660 GetGValue(m_colorBackground),
661 GetBValue(m_colorBackground));
662 if (bkgrnd != NULL) {
663 env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd);
664 }
665 }
666 env->DeleteLocalRef(bkgrnd);
667 }
668
669 /*
670 * Install our window proc as the proc for our HWND, and save off the
671 * previous proc as the default
672 */
673 void AwtComponent::SubclassHWND()
674 {
675 if (m_bSubclassed) {
676 return;
677 }
678 const WNDPROC wndproc = WndProc; // let compiler type check WndProc
679 m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc);
680 m_bSubclassed = TRUE;
681 }
682
683 /*
684 * Reinstall the original window proc as the proc for our HWND
685 */
686 void AwtComponent::UnsubclassHWND()
687 {
688 if (!m_bSubclassed) {
689 return;
690 }
691 ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc);
692 m_bSubclassed = FALSE;
693 }
694
695 /////////////////////////////////////
696 // (static method)
697 // Determines the top-level ancestor for a given window. If the given
698 // window is a top-level window, return itself.
699 //
700 // 'Top-level' includes dialogs as well.
701 //
702 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) {
703 if (hwndDescendant == NULL) {
704 return NULL;
705 }
706
707 DASSERT(IsWindow(hwndDescendant));
708 HWND hwnd = hwndDescendant;
709 for(;;) {
710 DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
711 // a) found a non-child window so terminate
712 // b) found real toplevel window (e.g. EmbeddedFrame
713 // that is child though)
714 if ( (style & WS_CHILD) == 0 ||
715 AwtComponent::IsTopLevelHWnd(hwnd) )
716 {
717 break;
718 }
719 hwnd = ::GetParent(hwnd);
720 }
721
722 return hwnd;
723 }
724 ////////////////////
725
726 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) {
727 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
728 if (env->EnsureLocalCapacity(1) < 0) {
729 return NULL;
730 }
731
732 HWND hit = NULL;
733 POINT p = { 0, 0 };
734 AwtComponent *comp = NULL;
735
736 if (useCache) {
737 if (sm_cursorOn == NULL) {
738 return NULL;
739 }
740
741
742 DASSERT(::IsWindow(sm_cursorOn));
743 VERIFY(::GetCursorPos(&p));
744 /*
745 * Fix for BugTraq ID 4304024.
746 * Allow a non-default cursor only for the client area.
747 */
748 comp = AwtComponent::GetComponent(sm_cursorOn);
749 if (comp != NULL &&
750 ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0,
751 MAKELPARAM(p.x, p.y)) == HTCLIENT) {
752 goto found;
753 }
754 }
755
756 ::GetCursorPos(&p);
757 hit = ::WindowFromPoint(p);
758 while (hit != NULL) {
759 comp = AwtComponent::GetComponent(hit);
760
761 if (comp != NULL) {
762 INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST,
763 0, MAKELPARAM(p.x, p.y));
764 /*
765 * Fix for BugTraq ID 4304024.
766 * Allow a non-default cursor only for the client area.
767 */
768 if (nHittest != HTCLIENT) {
769 /*
770 * When over the non-client area, send WM_SETCURSOR
771 * to revert the cursor to an arrow.
772 */
773 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit,
774 MAKELPARAM(nHittest, WM_MOUSEMOVE));
775 return NULL;
776 } else {
777 sm_cursorOn = hit;
778 goto found;
779 }
780 }
781
782 if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) {
783 return NULL;
784 }
785 hit = ::GetParent(hit);
786 }
787
788 return NULL;
789
790 found:
791 jobject localRef = comp->GetTarget(env);
792 jobject globalRef = env->NewGlobalRef(localRef);
793 env->DeleteLocalRef(localRef);
794 return globalRef;
795 }
796
797 void AwtComponent::SetColor(COLORREF c)
798 {
799 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
800 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
801 if (grayscale != GS_NOTGRAY) {
802 int g;
803
804 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
805 .114 * ((c >> 16) & 0xFF) + 0.5);
806 // c = g | (g << 8) | (g << 16);
807 c = PALETTERGB(g, g, g);
808 }
809
810 if (m_colorForeground == c) {
811 return;
812 }
813
814 m_colorForeground = c;
815 if (m_penForeground != NULL) {
816 m_penForeground->Release();
817 m_penForeground = NULL;
818 }
819 VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE));
820 }
821
822 void AwtComponent::SetBackgroundColor(COLORREF c)
823 {
824 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
825 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
826 if (grayscale != GS_NOTGRAY) {
827 int g;
828
829 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
830 .114 * ((c >> 16) & 0xFF) + 0.5);
831 // c = g | (g << 8) | (g << 16);
832 c = PALETTERGB(g, g, g);
833 }
834
835 if (m_colorBackground == c) {
836 return;
837 }
838 m_colorBackground = c;
839 m_backgroundColorSet = TRUE;
840 if (m_brushBackground != NULL) {
841 m_brushBackground->Release();
842 m_brushBackground = NULL;
843 }
844 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
845 }
846
847 HPEN AwtComponent::GetForegroundPen()
848 {
849 if (m_penForeground == NULL) {
850 m_penForeground = AwtPen::Get(m_colorForeground);
851 }
852 return (HPEN)m_penForeground->GetHandle();
853 }
854
855 COLORREF AwtComponent::GetBackgroundColor()
856 {
857 if (m_backgroundColorSet == FALSE) {
858 AwtComponent* c = this;
859 while ((c = c->GetParent()) != NULL) {
860 if (c->IsBackgroundColorSet()) {
861 return c->GetBackgroundColor();
862 }
863 }
864 }
865 return m_colorBackground;
866 }
867
868 HBRUSH AwtComponent::GetBackgroundBrush()
869 {
870 if (m_backgroundColorSet == FALSE) {
871 if (m_brushBackground != NULL) {
872 m_brushBackground->Release();
873 m_brushBackground = NULL;
874 }
875 AwtComponent* c = this;
876 while ((c = c->GetParent()) != NULL) {
877 if (c->IsBackgroundColorSet()) {
878 m_brushBackground =
879 AwtBrush::Get(c->GetBackgroundColor());
880 break;
881 }
882 }
883 }
884 if (m_brushBackground == NULL) {
885 m_brushBackground = AwtBrush::Get(m_colorBackground);
886 }
887 return (HBRUSH)m_brushBackground->GetHandle();
888 }
889
890 void AwtComponent::SetFont(AwtFont* font)
891 {
892 DASSERT(font != NULL);
893 if (font->GetAscent() < 0) {
894 AwtFont::SetupAscent(font);
895 }
896 SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0));
897 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
898 }
899
900 AwtComponent* AwtComponent::GetParent()
901 {
902 HWND hwnd = ::GetParent(GetHWnd());
903 if (hwnd == NULL) {
904 return NULL;
905 }
906 return GetComponent(hwnd);
907 }
908
909 AwtWindow* AwtComponent::GetContainer()
910 {
911 AwtComponent* comp = this;
912 while (comp != NULL) {
913 if (comp->IsContainer()) {
914 return (AwtWindow*)comp;
915 }
916 comp = comp->GetParent();
917 }
918 return NULL;
919 }
920
921 void AwtComponent::Show()
922 {
923 m_visible = true;
924 ::ShowWindow(GetHWnd(), SW_SHOWNA);
925 }
926
927 void AwtComponent::Hide()
928 {
929 m_visible = false;
930 ::ShowWindow(GetHWnd(), SW_HIDE);
931 }
932
933 BOOL
934 AwtComponent::SetWindowPos(HWND wnd, HWND after,
935 int x, int y, int w, int h, UINT flags)
936 {
937 // Conditions we shouldn't handle:
938 // z-order changes, correct window dimensions
939 if (after != NULL || (w < 32767 && h < 32767)
940 || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0))
941 {
942 return ::SetWindowPos(wnd, after, x, y, w, h, flags);
943 }
944 WINDOWPLACEMENT wp;
945 ::ZeroMemory(&wp, sizeof(wp));
946
947 wp.length = sizeof(wp);
948 ::GetWindowPlacement(wnd, &wp);
949 wp.rcNormalPosition.left = x;
950 wp.rcNormalPosition.top = y;
951 wp.rcNormalPosition.right = x + w;
952 wp.rcNormalPosition.bottom = y + h;
953 if ( flags & SWP_NOACTIVATE ) {
954 wp.showCmd = SW_SHOWNOACTIVATE;
955 }
956 ::SetWindowPlacement(wnd, &wp);
957 return 1;
958 }
959
960
961 void AwtComponent::Reshape(int x, int y, int w, int h)
962 {
963 #if defined(DEBUG)
964 RECT rc;
965 ::GetWindowRect(GetHWnd(), &rc);
966 ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2);
967 DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top);
968 #endif
969
970 x = ScaleUpX(x);
971 y = ScaleUpY(y);
972 w = ScaleUpX(w);
973 h = ScaleUpY(h);
974
975 AwtWindow* container = GetContainer();
976 AwtComponent* parent = GetParent();
977 if (container != NULL && container == parent) {
978 container->SubtractInsetPoint(x, y);
979 }
980 DTRACE_PRINTLN4("AwtComponent::Reshape to %d, %d, %d, %d", x, y, w, h);
981 UINT flags = SWP_NOACTIVATE | SWP_NOZORDER;
982
983 RECT r;
984
985 ::GetWindowRect(GetHWnd(), &r);
986 // if the component size is changing , don't copy window bits
987 if (r.right - r.left != w || r.bottom - r.top != h) {
988 flags |= SWP_NOCOPYBITS;
989 }
990
991 if (parent && _tcscmp(parent->GetClassName(), TEXT("SunAwtScrollPane")) == 0) {
992 if (x > 0) {
993 x = 0;
994 }
995 if (y > 0) {
996 y = 0;
997 }
998 }
999 if (m_hdwp != NULL) {
1000 m_hdwp = ::DeferWindowPos(m_hdwp, GetHWnd(), 0, x, y, w, h, flags);
1001 DASSERT(m_hdwp != NULL);
1002 } else {
1003 /*
1004 * Fox for 4046446
1005 * If window has dimensions above the short int limit, ::SetWindowPos doesn't work.
1006 * We should use SetWindowPlacement instead.
1007 */
1008 SetWindowPos(GetHWnd(), 0, x, y, w, h, flags);
1009 }
1010 }
1011
1012 void AwtComponent::SetScrollValues(UINT bar, int min, int value, int max)
1013 {
1014 int minTmp, maxTmp;
1015
1016 ::GetScrollRange(GetHWnd(), bar, &minTmp, &maxTmp);
1017 if (min == INT_MAX) {
1018 min = minTmp;
1019 }
1020 if (value == INT_MAX) {
1021 value = ::GetScrollPos(GetHWnd(), bar);
1022 }
1023 if (max == INT_MAX) {
1024 max = maxTmp;
1025 }
1026 if (min == max) {
1027 max++;
1028 }
1029 ::SetScrollRange(GetHWnd(), bar, min, max, FALSE);
1030 ::SetScrollPos(GetHWnd(), bar, value, TRUE);
1031 }
1032
1033 /*
1034 * Save Global Reference of sun.awt.windows.WInputMethod object
1035 */
1036 void AwtComponent::SetInputMethod(jobject im, BOOL useNativeCompWindow)
1037 {
1038 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1039
1040 if (m_InputMethod!=NULL)
1041 env->DeleteGlobalRef(m_InputMethod);
1042
1043 if (im!=NULL){
1044 m_InputMethod = env->NewGlobalRef(im);
1045 m_useNativeCompWindow = useNativeCompWindow;
1046 } else {
1047 m_InputMethod = NULL;
1048 m_useNativeCompWindow = TRUE;
1049 }
1050
1051 }
1052
1053 /*
1054 * Opportunity to process and/or eat a message before it is dispatched
1055 */
1056 MsgRouting AwtComponent::PreProcessMsg(MSG& msg)
1057 {
1058 return mrPassAlong;
1059 }
1060
1061 static UINT lastMessage = WM_NULL;
1062
1063 #ifndef SPY_MESSAGES
1064 #define SpyWinMessage(hwin,msg,str)
1065 #else
1066
1067 #define FMT_MSG(x,y) case x: _stprintf(szBuf, \
1068 "0x%8.8x(%s):%s\n", hwnd, szComment, y); break;
1069 #define WIN_MSG(x) FMT_MSG(x,#x)
1070
1071 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) {
1072
1073 TCHAR szBuf[256];
1074
1075 switch (message) {
1076 WIN_MSG(WM_NULL)
1077 WIN_MSG(WM_CREATE)
1078 WIN_MSG(WM_DESTROY)
1079 WIN_MSG(WM_MOVE)
1080 WIN_MSG(WM_SIZE)
1081 WIN_MSG(WM_ACTIVATE)
1082 WIN_MSG(WM_SETFOCUS)
1083 WIN_MSG(WM_KILLFOCUS)
1084 WIN_MSG(WM_ENABLE)
1085 WIN_MSG(WM_SETREDRAW)
1086 WIN_MSG(WM_SETTEXT)
1087 WIN_MSG(WM_GETTEXT)
1088 WIN_MSG(WM_GETTEXTLENGTH)
1089 WIN_MSG(WM_PAINT)
1090 WIN_MSG(WM_CLOSE)
1091 WIN_MSG(WM_QUERYENDSESSION)
1092 WIN_MSG(WM_QUIT)
1093 WIN_MSG(WM_QUERYOPEN)
1094 WIN_MSG(WM_ERASEBKGND)
1095 WIN_MSG(WM_SYSCOLORCHANGE)
1096 WIN_MSG(WM_ENDSESSION)
1097 WIN_MSG(WM_SHOWWINDOW)
1098 FMT_MSG(WM_WININICHANGE,"WM_WININICHANGE/WM_SETTINGCHANGE")
1099 WIN_MSG(WM_DEVMODECHANGE)
1100 WIN_MSG(WM_ACTIVATEAPP)
1101 WIN_MSG(WM_FONTCHANGE)
1102 WIN_MSG(WM_TIMECHANGE)
1103 WIN_MSG(WM_CANCELMODE)
1104 WIN_MSG(WM_SETCURSOR)
1105 WIN_MSG(WM_MOUSEACTIVATE)
1106 WIN_MSG(WM_CHILDACTIVATE)
1107 WIN_MSG(WM_QUEUESYNC)
1108 WIN_MSG(WM_GETMINMAXINFO)
1109 WIN_MSG(WM_PAINTICON)
1110 WIN_MSG(WM_ICONERASEBKGND)
1111 WIN_MSG(WM_NEXTDLGCTL)
1112 WIN_MSG(WM_SPOOLERSTATUS)
1113 WIN_MSG(WM_DRAWITEM)
1114 WIN_MSG(WM_MEASUREITEM)
1115 WIN_MSG(WM_DELETEITEM)
1116 WIN_MSG(WM_VKEYTOITEM)
1117 WIN_MSG(WM_CHARTOITEM)
1118 WIN_MSG(WM_SETFONT)
1119 WIN_MSG(WM_GETFONT)
1120 WIN_MSG(WM_SETHOTKEY)
1121 WIN_MSG(WM_GETHOTKEY)
1122 WIN_MSG(WM_QUERYDRAGICON)
1123 WIN_MSG(WM_COMPAREITEM)
1124 FMT_MSG(0x003D, "WM_GETOBJECT")
1125 WIN_MSG(WM_COMPACTING)
1126 WIN_MSG(WM_COMMNOTIFY)
1127 WIN_MSG(WM_WINDOWPOSCHANGING)
1128 WIN_MSG(WM_WINDOWPOSCHANGED)
1129 WIN_MSG(WM_POWER)
1130 WIN_MSG(WM_COPYDATA)
1131 WIN_MSG(WM_CANCELJOURNAL)
1132 WIN_MSG(WM_NOTIFY)
1133 WIN_MSG(WM_INPUTLANGCHANGEREQUEST)
1134 WIN_MSG(WM_INPUTLANGCHANGE)
1135 WIN_MSG(WM_TCARD)
1136 WIN_MSG(WM_HELP)
1137 WIN_MSG(WM_USERCHANGED)
1138 WIN_MSG(WM_NOTIFYFORMAT)
1139 WIN_MSG(WM_CONTEXTMENU)
1140 WIN_MSG(WM_STYLECHANGING)
1141 WIN_MSG(WM_STYLECHANGED)
1142 WIN_MSG(WM_DISPLAYCHANGE)
1143 WIN_MSG(WM_GETICON)
1144 WIN_MSG(WM_SETICON)
1145 WIN_MSG(WM_NCCREATE)
1146 WIN_MSG(WM_NCDESTROY)
1147 WIN_MSG(WM_NCCALCSIZE)
1148 WIN_MSG(WM_NCHITTEST)
1149 WIN_MSG(WM_NCPAINT)
1150 WIN_MSG(WM_NCACTIVATE)
1151 WIN_MSG(WM_GETDLGCODE)
1152 WIN_MSG(WM_SYNCPAINT)
1153 WIN_MSG(WM_NCMOUSEMOVE)
1154 WIN_MSG(WM_NCLBUTTONDOWN)
1155 WIN_MSG(WM_NCLBUTTONUP)
1156 WIN_MSG(WM_NCLBUTTONDBLCLK)
1157 WIN_MSG(WM_NCRBUTTONDOWN)
1158 WIN_MSG(WM_NCRBUTTONUP)
1159 WIN_MSG(WM_NCRBUTTONDBLCLK)
1160 WIN_MSG(WM_NCMBUTTONDOWN)
1161 WIN_MSG(WM_NCMBUTTONUP)
1162 WIN_MSG(WM_NCMBUTTONDBLCLK)
1163 WIN_MSG(WM_KEYDOWN)
1164 WIN_MSG(WM_KEYUP)
1165 WIN_MSG(WM_CHAR)
1166 WIN_MSG(WM_DEADCHAR)
1167 WIN_MSG(WM_SYSKEYDOWN)
1168 WIN_MSG(WM_SYSKEYUP)
1169 WIN_MSG(WM_SYSCHAR)
1170 WIN_MSG(WM_SYSDEADCHAR)
1171 WIN_MSG(WM_IME_STARTCOMPOSITION)
1172 WIN_MSG(WM_IME_ENDCOMPOSITION)
1173 WIN_MSG(WM_IME_COMPOSITION)
1174 WIN_MSG(WM_INITDIALOG)
1175 WIN_MSG(WM_COMMAND)
1176 WIN_MSG(WM_SYSCOMMAND)
1177 WIN_MSG(WM_TIMER)
1178 WIN_MSG(WM_HSCROLL)
1179 WIN_MSG(WM_VSCROLL)
1180 WIN_MSG(WM_INITMENU)
1181 WIN_MSG(WM_INITMENUPOPUP)
1182 WIN_MSG(WM_MENUSELECT)
1183 WIN_MSG(WM_MENUCHAR)
1184 WIN_MSG(WM_ENTERIDLE)
1185 FMT_MSG(0x0122, "WM_MENURBUTTONUP")
1186 FMT_MSG(0x0123, "WM_MENUDRAG")
1187 FMT_MSG(0x0124, "WM_MENUGETOBJECT")
1188 FMT_MSG(0x0125, "WM_UNINITMENUPOPUP")
1189 FMT_MSG(0x0126, "WM_MENUCOMMAND")
1190 WIN_MSG(WM_CTLCOLORMSGBOX)
1191 WIN_MSG(WM_CTLCOLOREDIT)
1192 WIN_MSG(WM_CTLCOLORLISTBOX)
1193 WIN_MSG(WM_CTLCOLORBTN)
1194 WIN_MSG(WM_CTLCOLORDLG)
1195 WIN_MSG(WM_CTLCOLORSCROLLBAR)
1196 WIN_MSG(WM_CTLCOLORSTATIC)
1197 WIN_MSG(WM_MOUSEMOVE)
1198 WIN_MSG(WM_LBUTTONDOWN)
1199 WIN_MSG(WM_LBUTTONUP)
1200 WIN_MSG(WM_LBUTTONDBLCLK)
1201 WIN_MSG(WM_RBUTTONDOWN)
1202 WIN_MSG(WM_RBUTTONUP)
1203 WIN_MSG(WM_RBUTTONDBLCLK)
1204 WIN_MSG(WM_MBUTTONDOWN)
1205 WIN_MSG(WM_MBUTTONUP)
1206 WIN_MSG(WM_MBUTTONDBLCLK)
1207 WIN_MSG(WM_XBUTTONDBLCLK)
1208 WIN_MSG(WM_XBUTTONDOWN)
1209 WIN_MSG(WM_XBUTTONUP)
1210 WIN_MSG(WM_MOUSEWHEEL)
1211 WIN_MSG(WM_PARENTNOTIFY)
1212 WIN_MSG(WM_ENTERMENULOOP)
1213 WIN_MSG(WM_EXITMENULOOP)
1214 WIN_MSG(WM_NEXTMENU)
1215 WIN_MSG(WM_SIZING)
1216 WIN_MSG(WM_CAPTURECHANGED)
1217 WIN_MSG(WM_MOVING)
1218 WIN_MSG(WM_POWERBROADCAST)
1219 WIN_MSG(WM_DEVICECHANGE)
1220 WIN_MSG(WM_MDICREATE)
1221 WIN_MSG(WM_MDIDESTROY)
1222 WIN_MSG(WM_MDIACTIVATE)
1223 WIN_MSG(WM_MDIRESTORE)
1224 WIN_MSG(WM_MDINEXT)
1225 WIN_MSG(WM_MDIMAXIMIZE)
1226 WIN_MSG(WM_MDITILE)
1227 WIN_MSG(WM_MDICASCADE)
1228 WIN_MSG(WM_MDIICONARRANGE)
1229 WIN_MSG(WM_MDIGETACTIVE)
1230 WIN_MSG(WM_MDISETMENU)
1231 WIN_MSG(WM_ENTERSIZEMOVE)
1232 WIN_MSG(WM_EXITSIZEMOVE)
1233 WIN_MSG(WM_DROPFILES)
1234 WIN_MSG(WM_MDIREFRESHMENU)
1235 WIN_MSG(WM_IME_SETCONTEXT)
1236 WIN_MSG(WM_IME_NOTIFY)
1237 WIN_MSG(WM_IME_CONTROL)
1238 WIN_MSG(WM_IME_COMPOSITIONFULL)
1239 WIN_MSG(WM_IME_SELECT)
1240 WIN_MSG(WM_IME_CHAR)
1241 FMT_MSG(WM_IME_REQUEST)
1242 WIN_MSG(WM_IME_KEYDOWN)
1243 WIN_MSG(WM_IME_KEYUP)
1244 FMT_MSG(0x02A1, "WM_MOUSEHOVER")
1245 FMT_MSG(0x02A3, "WM_MOUSELEAVE")
1246 WIN_MSG(WM_CUT)
1247 WIN_MSG(WM_COPY)
1248 WIN_MSG(WM_PASTE)
1249 WIN_MSG(WM_CLEAR)
1250 WIN_MSG(WM_UNDO)
1251 WIN_MSG(WM_RENDERFORMAT)
1252 WIN_MSG(WM_RENDERALLFORMATS)
1253 WIN_MSG(WM_DESTROYCLIPBOARD)
1254 WIN_MSG(WM_DRAWCLIPBOARD)
1255 WIN_MSG(WM_PAINTCLIPBOARD)
1256 WIN_MSG(WM_VSCROLLCLIPBOARD)
1257 WIN_MSG(WM_SIZECLIPBOARD)
1258 WIN_MSG(WM_ASKCBFORMATNAME)
1259 WIN_MSG(WM_CHANGECBCHAIN)
1260 WIN_MSG(WM_HSCROLLCLIPBOARD)
1261 WIN_MSG(WM_QUERYNEWPALETTE)
1262 WIN_MSG(WM_PALETTEISCHANGING)
1263 WIN_MSG(WM_PALETTECHANGED)
1264 WIN_MSG(WM_HOTKEY)
1265 WIN_MSG(WM_PRINT)
1266 WIN_MSG(WM_PRINTCLIENT)
1267 WIN_MSG(WM_HANDHELDFIRST)
1268 WIN_MSG(WM_HANDHELDLAST)
1269 WIN_MSG(WM_AFXFIRST)
1270 WIN_MSG(WM_AFXLAST)
1271 WIN_MSG(WM_PENWINFIRST)
1272 WIN_MSG(WM_PENWINLAST)
1273 WIN_MSG(WM_AWT_COMPONENT_CREATE)
1274 WIN_MSG(WM_AWT_DESTROY_WINDOW)
1275 WIN_MSG(WM_AWT_MOUSEENTER)
1276 WIN_MSG(WM_AWT_MOUSEEXIT)
1277 WIN_MSG(WM_AWT_COMPONENT_SHOW)
1278 WIN_MSG(WM_AWT_COMPONENT_HIDE)
1279 WIN_MSG(WM_AWT_COMPONENT_SETFOCUS)
1280 WIN_MSG(WM_AWT_WINDOW_SETACTIVE)
1281 WIN_MSG(WM_AWT_LIST_SETMULTISELECT)
1282 WIN_MSG(WM_AWT_HANDLE_EVENT)
1283 WIN_MSG(WM_AWT_PRINT_COMPONENT)
1284 WIN_MSG(WM_AWT_RESHAPE_COMPONENT)
1285 WIN_MSG(WM_AWT_SETALWAYSONTOP)
1286 WIN_MSG(WM_AWT_BEGIN_VALIDATE)
1287 WIN_MSG(WM_AWT_END_VALIDATE)
1288 WIN_MSG(WM_AWT_FORWARD_CHAR)
1289 WIN_MSG(WM_AWT_FORWARD_BYTE)
1290 WIN_MSG(WM_AWT_SET_SCROLL_INFO)
1291 WIN_MSG(WM_AWT_CREATECONTEXT)
1292 WIN_MSG(WM_AWT_DESTROYCONTEXT)
1293 WIN_MSG(WM_AWT_ASSOCIATECONTEXT)
1294 WIN_MSG(WM_AWT_GET_DEFAULT_IME_HANDLER)
1295 WIN_MSG(WM_AWT_HANDLE_NATIVE_IME_EVENT)
1296 WIN_MSG(WM_AWT_PRE_KEYDOWN)
1297 WIN_MSG(WM_AWT_PRE_KEYUP)
1298 WIN_MSG(WM_AWT_PRE_SYSKEYDOWN)
1299 WIN_MSG(WM_AWT_PRE_SYSKEYUP)
1300 WIN_MSG(WM_AWT_ENDCOMPOSITION,)
1301 WIN_MSG(WM_AWT_DISPOSE,)
1302 WIN_MSG(WM_AWT_DELETEOBJECT,)
1303 WIN_MSG(WM_AWT_SETCONVERSIONSTATUS,)
1304 WIN_MSG(WM_AWT_GETCONVERSIONSTATUS,)
1305 WIN_MSG(WM_AWT_SETOPENSTATUS,)
1306 WIN_MSG(WM_AWT_GETOPENSTATUS)
1307 WIN_MSG(WM_AWT_ACTIVATEKEYBOARDLAYOUT)
1308 WIN_MSG(WM_AWT_OPENCANDIDATEWINDOW)
1309 WIN_MSG(WM_AWT_DLG_SHOWMODAL,)
1310 WIN_MSG(WM_AWT_DLG_ENDMODAL,)
1311 WIN_MSG(WM_AWT_SETCURSOR,)
1312 WIN_MSG(WM_AWT_WAIT_FOR_SINGLE_OBJECT,)
1313 WIN_MSG(WM_AWT_INVOKE_METHOD,)
1314 WIN_MSG(WM_AWT_INVOKE_VOID_METHOD,)
1315 WIN_MSG(WM_AWT_EXECUTE_SYNC,)
1316 WIN_MSG(WM_AWT_CURSOR_SYNC)
1317 WIN_MSG(WM_AWT_GETDC)
1318 WIN_MSG(WM_AWT_RELEASEDC)
1319 WIN_MSG(WM_AWT_RELEASE_ALL_DCS)
1320 WIN_MSG(WM_AWT_SHOWCURSOR)
1321 WIN_MSG(WM_AWT_HIDECURSOR)
1322 WIN_MSG(WM_AWT_CREATE_PRINTED_PIXELS)
1323 WIN_MSG(WM_AWT_OBJECTLISTCLEANUP)
1324 default:
1325 sprintf(szBuf, "0x%8.8x(%s):Unknown message 0x%8.8x\n",
1326 hwnd, szComment, message);
1327 break;
1328 }
1329 printf(szBuf);
1330 }
1331
1332 #endif /* SPY_MESSAGES */
1333
1334 /*
1335 * Dispatch messages for this window class--general component
1336 */
1337 LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
1338 {
1339 CounterHelper ch(&m_MessagesProcessing);
1340
1341 JNILocalFrame lframe(AwtToolkit::GetEnv(), 10);
1342 SpyWinMessage(GetHWnd(), message,
1343 (message == WM_AWT_RELEASE_ALL_DCS) ? TEXT("Disposed Component") : GetClassName());
1344
1345 LRESULT retValue = 0;
1346 MsgRouting mr = mrDoDefault;
1347 AwtToolkit::GetInstance().eventNumber++;
1348
1349 static BOOL ignoreNextLBTNUP = FALSE; //Ignore next LBUTTONUP msg?
1350
1351 lastMessage = message;
1352
1353 if (message == WmAwtIsComponent) {
1354 // special message to identify AWT HWND's without using
1355 // resource hogging ::SetProp
1356 return (LRESULT)TRUE;
1357 }
1358
1359 DWORD curPos = 0;
1360
1361 UINT switchMessage = message;
1362 switch (switchMessage) {
1363 case WM_AWT_GETDC:
1364 {
1365 HDC hDC;
1366 // First, release the DCs scheduled for deletion
1367 ReleaseDCList(GetHWnd(), passiveDCList);
1368
1369 GetDCReturnStruct *returnStruct = new GetDCReturnStruct;
1370 returnStruct->gdiLimitReached = FALSE;
1371 if (AwtGDIObject::IncrementIfAvailable()) {
1372 hDC = ::GetDCEx(GetHWnd(), NULL,
1373 DCX_CACHE | DCX_CLIPCHILDREN |
1374 DCX_CLIPSIBLINGS);
1375 if (hDC != NULL) {
1376 // Add new DC to list of DC's associated with this Component
1377 activeDCList.AddDC(hDC, GetHWnd());
1378 } else {
1379 // Creation failed; decrement counter in AwtGDIObject
1380 AwtGDIObject::Decrement();
1381 }
1382 } else {
1383 hDC = NULL;
1384 returnStruct->gdiLimitReached = TRUE;
1385 }
1386 returnStruct->hDC = hDC;
1387 retValue = (LRESULT)returnStruct;
1388 mr = mrConsume;
1389 break;
1390 }
1391 case WM_AWT_RELEASEDC:
1392 {
1393 HDC hDC = (HDC)wParam;
1394 MoveDCToPassiveList(hDC, GetHWnd());
1395 ReleaseDCList(GetHWnd(), passiveDCList);
1396 mr = mrConsume;
1397 break;
1398 }
1399 case WM_AWT_RELEASE_ALL_DCS:
1400 {
1401 // Called during Component destruction. Gets current list of
1402 // DC's associated with Component and releases each DC.
1403 ReleaseDCList(GetHWnd(), activeDCList);
1404 ReleaseDCList(GetHWnd(), passiveDCList);
1405 mr = mrConsume;
1406 break;
1407 }
1408 case WM_AWT_SHOWCURSOR:
1409 ::ShowCursor(TRUE);
1410 break;
1411 case WM_AWT_HIDECURSOR:
1412 ::ShowCursor(FALSE);
1413 break;
1414 case WM_CREATE: mr = WmCreate(); break;
1415 case WM_CLOSE: mr = WmClose(); break;
1416 case WM_DESTROY: mr = WmDestroy(); break;
1417 case WM_NCDESTROY: mr = WmNcDestroy(); break;
1418
1419 case WM_ERASEBKGND:
1420 mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break;
1421 case WM_PAINT:
1422 CheckFontSmoothingSettings(GetHWnd());
1423 /* Set draw state */
1424 SetDrawState(GetDrawState() | JAWT_LOCK_CLIP_CHANGED);
1425 mr = WmPaint((HDC)wParam);
1426 break;
1427
1428 case WM_GETMINMAXINFO:
1429 mr = WmGetMinMaxInfo((LPMINMAXINFO)lParam);
1430 break;
1431
1432 case WM_WINDOWPOSCHANGING:
1433 {
1434 // We process this message so that we can synchronize access to
1435 // a moving window. The Scale/Blt functions in Win32BlitLoops
1436 // take the same windowMoveLock to ensure that a window is not
1437 // moving while we are trying to copy pixels into it.
1438 WINDOWPOS *lpPosInfo = (WINDOWPOS *)lParam;
1439 if ((lpPosInfo->flags & (SWP_NOMOVE | SWP_NOSIZE)) !=
1440 (SWP_NOMOVE | SWP_NOSIZE))
1441 {
1442 // Move or Size command.
1443 // Windows tends to send erroneous events that the window
1444 // is about to move when the coordinates are exactly the
1445 // same as the last time. This can cause problems with
1446 // our windowMoveLock CriticalSection because we enter it
1447 // here and never get to WM_WINDOWPOSCHANGED to release it.
1448 // So make sure this is a real move/size event before bothering
1449 // to grab the critical section.
1450 BOOL takeLock = FALSE;
1451 if (!(lpPosInfo->flags & SWP_NOMOVE) &&
1452 ((windowMoveLockPosX != lpPosInfo->x) ||
1453 (windowMoveLockPosY != lpPosInfo->y)))
1454 {
1455 // Real move event
1456 takeLock = TRUE;
1457 windowMoveLockPosX = lpPosInfo->x;
1458 windowMoveLockPosY = lpPosInfo->y;
1459 }
1460 if (!(lpPosInfo->flags & SWP_NOSIZE) &&
1461 ((windowMoveLockPosCX != lpPosInfo->cx) ||
1462 (windowMoveLockPosCY != lpPosInfo->cy)))
1463 {
1464 // Real size event
1465 takeLock = TRUE;
1466 windowMoveLockPosCX = lpPosInfo->cx;
1467 windowMoveLockPosCY = lpPosInfo->cy;
1468 }
1469 if (takeLock) {
1470 if (!windowMoveLockHeld) {
1471 windowMoveLock.Enter();
1472 windowMoveLockHeld = TRUE;
1473 }
1474 }
1475 }
1476 mr = WmWindowPosChanging(lParam);
1477 break;
1478 }
1479 case WM_WINDOWPOSCHANGED:
1480 {
1481 // Release lock grabbed in the POSCHANGING message
1482 if (windowMoveLockHeld) {
1483 windowMoveLockHeld = FALSE;
1484 windowMoveLock.Leave();
1485 }
1486 mr = WmWindowPosChanged(lParam);
1487 break;
1488 }
1489 case WM_MOVE: {
1490 RECT r;
1491 ::GetWindowRect(GetHWnd(), &r);
1492 mr = WmMove(r.left, r.top);
1493 break;
1494 }
1495 case WM_SIZE:
1496 {
1497 RECT r;
1498 // fix 4128317 : use GetClientRect for full 32-bit int precision and
1499 // to avoid negative client area dimensions overflowing 16-bit params - robi
1500 ::GetClientRect( GetHWnd(), &r );
1501 mr = WmSize(static_cast<UINT>(wParam), r.right - r.left, r.bottom - r.top);
1502 //mr = WmSize(wParam, LOWORD(lParam), HIWORD(lParam));
1503 SetCompositionWindow(r);
1504 break;
1505 }
1506 case WM_SIZING:
1507 mr = WmSizing();
1508 break;
1509 case WM_SHOWWINDOW:
1510 mr = WmShowWindow(static_cast<BOOL>(wParam),
1511 static_cast<UINT>(lParam)); break;
1512 case WM_SYSCOMMAND:
1513 mr = WmSysCommand(static_cast<UINT>(wParam & 0xFFF0),
1514 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1515 break;
1516 case WM_EXITSIZEMOVE:
1517 mr = WmExitSizeMove();
1518 break;
1519 // Bug #4039858 (Selecting menu item causes bogus mouse click event)
1520 case WM_ENTERMENULOOP:
1521 mr = WmEnterMenuLoop((BOOL)wParam);
1522 sm_bMenuLoop = TRUE;
1523 // we need to release grab if menu is shown
1524 if (AwtWindow::GetGrabbedWindow() != NULL) {
1525 AwtWindow::GetGrabbedWindow()->Ungrab();
1526 }
1527 break;
1528 case WM_EXITMENULOOP:
1529 mr = WmExitMenuLoop((BOOL)wParam);
1530 sm_bMenuLoop = FALSE;
1531 break;
1532
1533 // We don't expect any focus messages on non-proxy component,
1534 // except those that came from Java.
1535 case WM_SETFOCUS:
1536 if (sm_inSynthesizeFocus) {
1537 mr = WmSetFocus((HWND)wParam);
1538 } else {
1539 mr = mrConsume;
1540 }
1541 break;
1542 case WM_KILLFOCUS:
1543 if (sm_inSynthesizeFocus) {
1544 mr = WmKillFocus((HWND)wParam);
1545 } else {
1546 mr = mrConsume;
1547 }
1548 break;
1549 case WM_ACTIVATE: {
1550 UINT nState = LOWORD(wParam);
1551 BOOL fMinimized = (BOOL)HIWORD(wParam);
1552 mr = mrConsume;
1553
1554 if (!sm_suppressFocusAndActivation &&
1555 (!fMinimized || (nState == WA_INACTIVE)))
1556 {
1557 mr = WmActivate(nState, fMinimized, (HWND)lParam);
1558
1559 // When the window is deactivated, send WM_IME_ENDCOMPOSITION
1560 // message to deactivate the composition window so that
1561 // it won't receive keyboard input focus.
1562 HIMC hIMC;
1563 HWND hwnd = ImmGetHWnd();
1564 if ((hIMC = ImmGetContext(hwnd)) != NULL) {
1565 ImmReleaseContext(hwnd, hIMC);
1566 DefWindowProc(WM_IME_ENDCOMPOSITION, 0, 0);
1567 }
1568 }
1569 break;
1570 }
1571 case WM_MOUSEACTIVATE: {
1572 AwtWindow *window = GetContainer();
1573 if (window && window->IsFocusableWindow()) {
1574 // AWT/Swing will later request focus to a proper component
1575 // on handling the Java mouse event. Anyway, we have to
1576 // activate the window here as it works both for AWT & Swing.
1577 // Do it in our own fassion,
1578 window->AwtSetActiveWindow(TRUE, LOWORD(lParam)/*hittest*/);
1579 }
1580 mr = mrConsume;
1581 retValue = MA_NOACTIVATE;
1582 break;
1583 }
1584 case WM_CTLCOLORMSGBOX:
1585 case WM_CTLCOLOREDIT:
1586 case WM_CTLCOLORLISTBOX:
1587 case WM_CTLCOLORBTN:
1588 case WM_CTLCOLORDLG:
1589 case WM_CTLCOLORSCROLLBAR:
1590 case WM_CTLCOLORSTATIC:
1591 mr = WmCtlColor((HDC)wParam, (HWND)lParam,
1592 message-WM_CTLCOLORMSGBOX+CTLCOLOR_MSGBOX,
1593 *(HBRUSH*)&retValue);
1594 break;
1595 case WM_HSCROLL:
1596 mr = WmHScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1597 break;
1598 case WM_VSCROLL:
1599 mr = WmVScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1600 break;
1601 // 4664415: We're seeing a WM_LBUTTONUP when the user releases the
1602 // mouse button after a WM_NCLBUTTONDBLCLK. We want to ignore this
1603 // WM_LBUTTONUP, so we set a flag in WM_NCLBUTTONDBLCLK and look for the
1604 // flag on a WM_LBUTTONUP. -bchristi
1605 case WM_NCLBUTTONDBLCLK:
1606 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON | DBL_CLICK);
1607 if (mr == mrDoDefault) {
1608 ignoreNextLBTNUP = TRUE;
1609 }
1610 break;
1611 case WM_NCLBUTTONDOWN:
1612 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1613 ignoreNextLBTNUP = FALSE;
1614 break;
1615 case WM_NCLBUTTONUP:
1616 mr = WmNcMouseUp(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1617 break;
1618 case WM_NCRBUTTONDOWN:
1619 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), RIGHT_BUTTON);
1620 break;
1621 case WM_LBUTTONUP:
1622 if (ignoreNextLBTNUP) {
1623 ignoreNextLBTNUP = FALSE;
1624 return mrDoDefault;
1625 }
1626 //fall-through
1627 case WM_LBUTTONDOWN:
1628 ignoreNextLBTNUP = FALSE;
1629 //fall-through
1630 case WM_LBUTTONDBLCLK:
1631 case WM_RBUTTONDOWN:
1632 case WM_RBUTTONDBLCLK:
1633 case WM_RBUTTONUP:
1634 case WM_MBUTTONDOWN:
1635 case WM_MBUTTONDBLCLK:
1636 case WM_MBUTTONUP:
1637 case WM_XBUTTONDBLCLK:
1638 case WM_XBUTTONDOWN:
1639 case WM_XBUTTONUP:
1640 case WM_MOUSEMOVE:
1641 case WM_MOUSEWHEEL:
1642 case WM_AWT_MOUSEENTER:
1643 case WM_AWT_MOUSEEXIT:
1644 curPos = ::GetMessagePos();
1645 POINT myPos;
1646 myPos.x = GET_X_LPARAM(curPos);
1647 myPos.y = GET_Y_LPARAM(curPos);
1648 ::ScreenToClient(GetHWnd(), &myPos);
1649 switch(switchMessage) {
1650 case WM_AWT_MOUSEENTER:
1651 mr = WmMouseEnter(static_cast<UINT>(wParam), myPos.x, myPos.y);
1652 break;
1653 case WM_LBUTTONDOWN:
1654 case WM_LBUTTONDBLCLK:
1655 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1656 LEFT_BUTTON);
1657 break;
1658 case WM_LBUTTONUP:
1659 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1660 LEFT_BUTTON);
1661 break;
1662 case WM_MOUSEMOVE:
1663 mr = WmMouseMove(static_cast<UINT>(wParam), myPos.x, myPos.y);
1664 break;
1665 case WM_MBUTTONDOWN:
1666 case WM_MBUTTONDBLCLK:
1667 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1668 MIDDLE_BUTTON);
1669 break;
1670 case WM_XBUTTONDOWN:
1671 case WM_XBUTTONDBLCLK:
1672 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1673 if (HIWORD(wParam) == 1) {
1674 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1675 X1_BUTTON);
1676 }
1677 if (HIWORD(wParam) == 2) {
1678 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1679 X2_BUTTON);
1680 }
1681 }
1682 break;
1683 case WM_XBUTTONUP:
1684 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1685 if (HIWORD(wParam) == 1) {
1686 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1687 X1_BUTTON);
1688 }
1689 if (HIWORD(wParam) == 2) {
1690 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1691 X2_BUTTON);
1692 }
1693 }
1694 break;
1695 case WM_RBUTTONDOWN:
1696 case WM_RBUTTONDBLCLK:
1697 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1698 RIGHT_BUTTON);
1699 break;
1700 case WM_RBUTTONUP:
1701 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1702 RIGHT_BUTTON);
1703 break;
1704 case WM_MBUTTONUP:
1705 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1706 MIDDLE_BUTTON);
1707 break;
1708 case WM_AWT_MOUSEEXIT:
1709 mr = WmMouseExit(static_cast<UINT>(wParam), myPos.x, myPos.y);
1710 break;
1711 case WM_MOUSEWHEEL:
1712 mr = WmMouseWheel(GET_KEYSTATE_WPARAM(wParam),
1713 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
1714 GET_WHEEL_DELTA_WPARAM(wParam));
1715 break;
1716 }
1717 break;
1718 case WM_SETCURSOR:
1719 mr = mrDoDefault;
1720 if (LOWORD(lParam) == HTCLIENT) {
1721 if (AwtComponent* comp =
1722 AwtComponent::GetComponent((HWND)wParam)) {
1723 AwtCursor::UpdateCursor(comp);
1724 mr = mrConsume;
1725 }
1726 }
1727 break;
1728
1729 case WM_KEYDOWN:
1730 mr = WmKeyDown(static_cast<UINT>(wParam),
1731 LOWORD(lParam), HIWORD(lParam), FALSE);
1732 break;
1733 case WM_KEYUP:
1734 mr = WmKeyUp(static_cast<UINT>(wParam),
1735 LOWORD(lParam), HIWORD(lParam), FALSE);
1736 break;
1737 case WM_SYSKEYDOWN:
1738 mr = WmKeyDown(static_cast<UINT>(wParam),
1739 LOWORD(lParam), HIWORD(lParam), TRUE);
1740 break;
1741 case WM_SYSKEYUP:
1742 mr = WmKeyUp(static_cast<UINT>(wParam),
1743 LOWORD(lParam), HIWORD(lParam), TRUE);
1744 break;
1745 case WM_IME_SETCONTEXT:
1746 // lParam is passed as pointer and it can be modified.
1747 mr = WmImeSetContext(static_cast<BOOL>(wParam), &lParam);
1748 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1749 break;
1750 case WM_IME_NOTIFY:
1751 mr = WmImeNotify(wParam, lParam);
1752 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1753 break;
1754 case WM_IME_STARTCOMPOSITION:
1755 mr = WmImeStartComposition();
1756 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1757 break;
1758 case WM_IME_ENDCOMPOSITION:
1759 mr = WmImeEndComposition();
1760 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1761 break;
1762 case WM_IME_COMPOSITION: {
1763 WORD dbcschar = static_cast<WORD>(wParam);
1764 mr = WmImeComposition(dbcschar, lParam);
1765 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1766 break;
1767 }
1768 case WM_IME_CONTROL:
1769 case WM_IME_COMPOSITIONFULL:
1770 case WM_IME_SELECT:
1771 case WM_IME_KEYUP:
1772 case WM_IME_KEYDOWN:
1773 case WM_IME_REQUEST:
1774 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1775 break;
1776 case WM_CHAR:
1777 mr = WmChar(static_cast<UINT>(wParam),
1778 LOWORD(lParam), HIWORD(lParam), FALSE);
1779 break;
1780 case WM_SYSCHAR:
1781 mr = WmChar(static_cast<UINT>(wParam),
1782 LOWORD(lParam), HIWORD(lParam), TRUE);
1783 break;
1784 case WM_IME_CHAR:
1785 mr = WmIMEChar(static_cast<UINT>(wParam),
1786 LOWORD(lParam), HIWORD(lParam), FALSE);
1787 break;
1788
1789 case WM_INPUTLANGCHANGEREQUEST: {
1790 DTRACE_PRINTLN4("WM_INPUTLANGCHANGEREQUEST: hwnd = 0x%X (%s);"//
1791 "0x%08X -> 0x%08X",
1792 GetHWnd(), GetClassName(),
1793 (UINT_PTR)GetKeyboardLayout(), (UINT_PTR)lParam);
1794 // 4267428: make sure keyboard layout is turned undead.
1795 static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
1796 AwtToolkit::GetKeyboardState(keyboardState);
1797 WORD ignored;
1798 ::ToAsciiEx(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0),
1799 keyboardState, &ignored, 0, GetKeyboardLayout());
1800
1801 // Set this flag to block ActivateKeyboardLayout from
1802 // WInputMethod.activate()
1803 g_bUserHasChangedInputLang = TRUE;
1804 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1805 break;
1806 }
1807 case WM_INPUTLANGCHANGE:
1808 DTRACE_PRINTLN3("WM_INPUTLANGCHANGE: hwnd = 0x%X (%s);"//
1809 "new = 0x%08X",
1810 GetHWnd(), GetClassName(), (UINT)lParam);
1811 mr = WmInputLangChange(static_cast<UINT>(wParam), reinterpret_cast<HKL>(lParam));
1812 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1813 // should return non-zero if we process this message
1814 retValue = 1;
1815 break;
1816
1817 case WM_AWT_FORWARD_CHAR:
1818 mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam));
1819 break;
1820
1821 case WM_AWT_FORWARD_BYTE:
1822 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1823 break;
1824
1825 case WM_PASTE:
1826 mr = WmPaste();
1827 break;
1828 case WM_TIMER:
1829 mr = WmTimer(wParam);
1830 break;
1831
1832 case WM_COMMAND:
1833 mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam));
1834 break;
1835 case WM_COMPAREITEM:
1836 mr = WmCompareItem(static_cast<UINT>(wParam),
1837 *(COMPAREITEMSTRUCT*)lParam, retValue);
1838 break;
1839 case WM_DELETEITEM:
1840 mr = WmDeleteItem(static_cast<UINT>(wParam),
1841 *(DELETEITEMSTRUCT*)lParam);
1842 break;
1843 case WM_DRAWITEM:
1844 mr = WmDrawItem(static_cast<UINT>(wParam),
1845 *(DRAWITEMSTRUCT*)lParam);
1846 break;
1847 case WM_MEASUREITEM:
1848 mr = WmMeasureItem(static_cast<UINT>(wParam),
1849 *(MEASUREITEMSTRUCT*)lParam);
1850 break;
1851
1852 case WM_AWT_HANDLE_EVENT:
1853 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1854 break;
1855
1856 case WM_PRINT:
1857 mr = WmPrint((HDC)wParam, lParam);
1858 break;
1859 case WM_PRINTCLIENT:
1860 mr = WmPrintClient((HDC)wParam, lParam);
1861 break;
1862
1863 case WM_NCCALCSIZE:
1864 mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam,
1865 retValue);
1866 break;
1867 case WM_NCPAINT:
1868 mr = WmNcPaint((HRGN)wParam);
1869 break;
1870 case WM_NCHITTEST:
1871 mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue);
1872 break;
1873
1874 case WM_AWT_RESHAPE_COMPONENT: {
1875 RECT* r = (RECT*)lParam;
1876 WPARAM checkEmbedded = wParam;
1877 if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) {
1878 ::OffsetRect(r, -r->left, -r->top);
1879 }
1880 Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top);
1881 delete r;
1882 mr = mrConsume;
1883 break;
1884 }
1885
1886 case WM_AWT_SETALWAYSONTOP: {
1887 AwtWindow* w = (AwtWindow*)lParam;
1888 BOOL value = (BOOL)wParam;
1889 UINT flags = SWP_NOMOVE | SWP_NOSIZE;
1890 // transient windows shouldn't change the owner window's position in the z-order
1891 if (w->IsRetainingHierarchyZOrder()) {
1892 flags |= SWP_NOOWNERZORDER;
1893 }
1894 ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST),
1895 0,0,0,0, flags);
1896 break;
1897 }
1898
1899 case WM_AWT_BEGIN_VALIDATE:
1900 BeginValidate();
1901 mr = mrConsume;
1902 break;
1903 case WM_AWT_END_VALIDATE:
1904 EndValidate();
1905 mr = mrConsume;
1906 break;
1907
1908 case WM_PALETTEISCHANGING:
1909 mr = WmPaletteIsChanging((HWND)wParam);
1910 mr = mrDoDefault;
1911 break;
1912 case WM_QUERYNEWPALETTE:
1913 mr = WmQueryNewPalette(retValue);
1914 break;
1915 case WM_PALETTECHANGED:
1916 mr = WmPaletteChanged((HWND)wParam);
1917 break;
1918 case WM_STYLECHANGED:
1919 mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam);
1920 break;
1921 case WM_SETTINGCHANGE:
1922 CheckFontSmoothingSettings(NULL);
1923 mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam);
1924 break;
1925 case WM_CONTEXTMENU:
1926 mr = WmContextMenu((HWND)wParam,
1927 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1928 break;
1929
1930 /*
1931 * These messages are used to route Win32 calls to the
1932 * creating thread, since these calls fail unless executed
1933 * there.
1934 */
1935 case WM_AWT_COMPONENT_SHOW:
1936 Show();
1937 mr = mrConsume;
1938 break;
1939 case WM_AWT_COMPONENT_HIDE:
1940 Hide();
1941 mr = mrConsume;
1942 break;
1943
1944 case WM_AWT_COMPONENT_SETFOCUS:
1945 if ((BOOL)wParam) {
1946 retValue = SynthesizeWmSetFocus(GetHWnd(), NULL);
1947 } else {
1948 retValue = SynthesizeWmKillFocus(GetHWnd(), NULL);
1949 }
1950 mr = mrConsume;
1951 break;
1952 case WM_AWT_WINDOW_SETACTIVE:
1953 retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam);
1954 mr = mrConsume;
1955 break;
1956
1957 case WM_AWT_SET_SCROLL_INFO: {
1958 SCROLLINFO *si = (SCROLLINFO *) lParam;
1959 ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE);
1960 delete si;
1961 mr = mrConsume;
1962 break;
1963 }
1964 case WM_AWT_CREATE_PRINTED_PIXELS: {
1965 CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam;
1966 SIZE loc = { cpps->srcx, cpps->srcy };
1967 SIZE size = { cpps->srcw, cpps->srch };
1968 retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha);
1969 mr = mrConsume;
1970 break;
1971 }
1972 case WM_UNDOCUMENTED_CLICKMENUBAR:
1973 {
1974 if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) {
1975 mr = mrConsume;
1976 }
1977 }
1978 }
1979
1980 /*
1981 * If not a specific Consume, it was a specific DoDefault, or a
1982 * PassAlong (since the default is the next in chain), then call the
1983 * default proc.
1984 */
1985 if (mr != mrConsume) {
1986 retValue = DefWindowProc(message, wParam, lParam);
1987 }
1988
1989 return retValue;
1990 }
1991 /*
1992 * Call this instance's default window proc, or if none set, call the stock
1993 * Window's one.
1994 */
1995 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam)
1996 {
1997 return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam);
1998 }
1999
2000 /*
2001 * This message should only be received when a window is destroyed by
2002 * Windows, and not Java. Window termination has been reworked so
2003 * this method should never be called during termination.
2004 */
2005 MsgRouting AwtComponent::WmDestroy()
2006 {
2007 return mrConsume;
2008 }
2009
2010 /*
2011 * This message should only be received when a window is destroyed by
2012 * Windows, and not Java. It is sent only after child windows were destroyed.
2013 */
2014 MsgRouting AwtComponent::WmNcDestroy()
2015 {
2016 if (m_peerObject != NULL) { // is not being terminating
2017 // Stay in this handler until AwtComponent::Dispose is called.
2018 m_bPauseDestroy = TRUE;
2019
2020 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
2021 // Post invocation event for WObjectPeer.dispose to EDT
2022 env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID);
2023 // Wait until AwtComponent::Dispose is called
2024 AwtToolkit::GetInstance().PumpToDestroy(this);
2025 }
2026
2027 return mrConsume;
2028 }
2029
2030 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi)
2031 {
2032 return mrDoDefault;
2033 }
2034
2035 MsgRouting AwtComponent::WmMove(int x, int y)
2036 {
2037 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2038 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2039 return mrDoDefault;
2040 }
2041
2042 MsgRouting AwtComponent::WmSize(UINT type, int w, int h)
2043 {
2044 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2045 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2046 return mrDoDefault;
2047 }
2048
2049 MsgRouting AwtComponent::WmSizing()
2050 {
2051 return mrDoDefault;
2052 }
2053
2054 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos)
2055 {
2056 return mrDoDefault;
2057 }
2058
2059 MsgRouting AwtComponent::WmExitSizeMove()
2060 {
2061 return mrDoDefault;
2062 }
2063
2064 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu)
2065 {
2066 return mrDoDefault;
2067 }
2068
2069 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu)
2070 {
2071 return mrDoDefault;
2072 }
2073
2074 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status)
2075 {
2076 return mrDoDefault;
2077 }
2078
2079 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus)
2080 {
2081 m_wheelRotationAmount = 0;
2082 return mrDoDefault;
2083 }
2084
2085 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus)
2086 {
2087 m_wheelRotationAmount = 0;
2088 return mrDoDefault;
2089 }
2090
2091 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl,
2092 UINT ctlColor, HBRUSH& retBrush)
2093 {
2094 AwtComponent* child = AwtComponent::GetComponent(hCtrl);
2095 if (child) {
2096 ::SetBkColor(hDC, child->GetBackgroundColor());
2097 ::SetTextColor(hDC, child->GetColor());
2098 retBrush = child->GetBackgroundBrush();
2099 return mrConsume;
2100 }
2101 return mrDoDefault;
2102 /*
2103 switch (ctlColor) {
2104 case CTLCOLOR_MSGBOX:
2105 case CTLCOLOR_EDIT:
2106 case CTLCOLOR_LISTBOX:
2107 case CTLCOLOR_BTN:
2108 case CTLCOLOR_DLG:
2109 case CTLCOLOR_SCROLLBAR:
2110 case CTLCOLOR_STATIC:
2111 }
2112 */
2113 }
2114
2115 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos,
2116 HWND hScrollbar) {
2117 if (hScrollbar && hScrollbar != GetHWnd()) {
2118 /* the last test should never happen */
2119 AwtComponent* sb = GetComponent(hScrollbar);
2120 if (sb) {
2121 sb->WmHScroll(scrollCode, pos, hScrollbar);
2122 }
2123 }
2124 return mrDoDefault;
2125 }
2126
2127 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar)
2128 {
2129 if (hScrollbar && hScrollbar != GetHWnd()) {
2130 /* the last test should never happen */
2131 AwtComponent* sb = GetComponent(hScrollbar);
2132 if (sb) {
2133 sb->WmVScroll(scrollCode, pos, hScrollbar);
2134 }
2135 }
2136 return mrDoDefault;
2137 }
2138
2139
2140 MsgRouting AwtComponent::WmPaint(HDC)
2141 {
2142 /* Get the rectangle that covers all update regions, if any exist. */
2143 RECT r;
2144 if (::GetUpdateRect(GetHWnd(), &r, FALSE)) {
2145 if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 &&
2146 m_peerObject != NULL && m_callbacksEnabled) {
2147 /*
2148 * Always call handlePaint, because the underlying control
2149 * will have painted itself (the "background") before any
2150 * paint method is called.
2151 */
2152 DoCallback("handlePaint", "(IIII)V",
2153 r.left, r.top, r.right-r.left, r.bottom-r.top);
2154 }
2155 }
2156 return mrDoDefault;
2157 }
2158
2159 void AwtComponent::PaintUpdateRgn(const RECT *insets)
2160 {
2161 // Fix 4530093: Don't Validate if can't actually paint
2162 if (m_peerObject == NULL || !m_callbacksEnabled) {
2163
2164 // Fix 4745222: If we don't ValidateRgn, windows will keep sending
2165 // WM_PAINT messages until we do. This causes java to go into
2166 // a tight loop that increases CPU to 100% and starves main
2167 // thread which needs to complete initialization, but cant.
2168 ::ValidateRgn(GetHWnd(), NULL);
2169
2170 return;
2171 }
2172
2173 HRGN rgn = ::CreateRectRgn(0,0,1,1);
2174 int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE);
2175 /*
2176 * Now remove all update regions from this window -- do it
2177 * here instead of after the Java upcall, in case any new
2178 * updating is requested.
2179 */
2180 ::ValidateRgn(GetHWnd(), NULL);
2181
2182 if (updated == COMPLEXREGION || updated == SIMPLEREGION) {
2183 if (insets != NULL) {
2184 ::OffsetRgn(rgn, insets->left, insets->top);
2185 }
2186 DWORD size = ::GetRegionData(rgn, 0, NULL);
2187 if (size == 0) {
2188 ::DeleteObject((HGDIOBJ)rgn);
2189 return;
2190 }
2191 char* buffer = new char[size]; // safe because sizeof(char)==1
2192 memset(buffer, 0, size);
2193 LPRGNDATA rgndata = (LPRGNDATA)buffer;
2194 rgndata->rdh.dwSize = sizeof(RGNDATAHEADER);
2195 rgndata->rdh.iType = RDH_RECTANGLES;
2196 int retCode = ::GetRegionData(rgn, size, rgndata);
2197 VERIFY(retCode);
2198 if (retCode == 0) {
2199 delete [] buffer;
2200 ::DeleteObject((HGDIOBJ)rgn);
2201 return;
2202 }
2203 /*
2204 * Updating rects are divided into mostly vertical and mostly horizontal
2205 * Each group is united together and if not empty painted separately
2206 */
2207 RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize);
2208 RECT* un[2] = {0, 0};
2209 DWORD i;
2210 for (i = 0; i < rgndata->rdh.nCount; i++, r++) {
2211 int width = r->right-r->left;
2212 int height = r->bottom-r->top;
2213 if (width > 0 && height > 0) {
2214 int toAdd = (width > height) ? 0: 1;
2215 if (un[toAdd] != 0) {
2216 ::UnionRect(un[toAdd], un[toAdd], r);
2217 } else {
2218 un[toAdd] = r;
2219 }
2220 }
2221 }
2222 for(i = 0; i < 2; i++) {
2223 if (un[i] != 0) {
2224 DoCallback("handleExpose", "(IIII)V",
2225 ScaleDownX(un[i]->left),
2226 ScaleDownY(un[i]->top),
2227 ScaleDownX(un[i]->right - un[i]->left),
2228 ScaleDownY(un[i]->bottom - un[i]->top));
2229 }
2230 }
2231 delete [] buffer;
2232 }
2233 ::DeleteObject((HGDIOBJ)rgn);
2234 }
2235
2236 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y)
2237 {
2238 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED,
2239 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 0, JNI_FALSE);
2240 if ((flags & ALL_MK_BUTTONS) == 0) {
2241 AwtCursor::UpdateCursor(this);
2242 }
2243 sm_cursorOn = GetHWnd();
2244 return mrConsume; /* Don't pass our synthetic event on! */
2245 }
2246
2247 MSG*
2248 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam,
2249 int x = 0, int y = 0)
2250 {
2251 MSG* pMsg = new MSG;
2252 InitMessage(pMsg, message, wParam, lParam, x, y);
2253 return pMsg;
2254 }
2255
2256
2257 jint
2258 AwtComponent::GetDrawState(HWND hwnd) {
2259 return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp));
2260 }
2261
2262 void
2263 AwtComponent::SetDrawState(HWND hwnd, jint state) {
2264 ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state);
2265 }
2266
2267 void
2268 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam,
2269 int x = 0, int y = 0)
2270 {
2271 msg->message = message;
2272 msg->wParam = wParam;
2273 msg->lParam = lParam;
2274 msg->time = ::GetMessageTime();
2275 msg->pt.x = x;
2276 msg->pt.y = y;
2277 }
2278
2279 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) {
2280 return mrDoDefault;
2281 }
2282 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) {
2283 return mrDoDefault;
2284 }
2285
2286 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) {
2287 return mrDoDefault;
2288 }
2289 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) {
2290 return mrDoDefault;
2291 }
2292
2293 /* Double-click variables. */
2294 static jlong multiClickTime = ::GetDoubleClickTime();
2295 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK);
2296 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK);
2297 static AwtComponent* lastClickWnd = NULL;
2298 static jlong lastTime = 0;
2299 static int lastClickX = 0;
2300 static int lastClickY = 0;
2301 static int lastButton = 0;
2302 static int clickCount = 0;
2303
2304 // A static method that makes the clickCount available in the derived classes
2305 // overriding WmMouseDown().
2306 int AwtComponent::GetClickCount()
2307 {
2308 return clickCount;
2309 }
2310
2311 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button)
2312 {
2313 jlong now = ::JVM_CurrentTimeMillis(NULL, 0);
2314
2315 if (lastClickWnd == this &&
2316 lastButton == button &&
2317 (now - lastTime) <= multiClickTime &&
2318 abs(x - lastClickX) <= multiClickMaxX &&
2319 abs(y - lastClickY) <= multiClickMaxY)
2320 {
2321 clickCount++;
2322 } else {
2323 clickCount = 1;
2324 lastClickWnd = this;
2325 lastButton = button;
2326 lastClickX = x;
2327 lastClickY = y;
2328 }
2329 /*
2330 *Set appropriate bit of the mask on WM_MOUSE_DOWN message.
2331 */
2332 m_mouseButtonClickAllowed |= GetButtonMK(button);
2333 lastTime = now;
2334
2335 MSG msg;
2336 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2337
2338 AwtWindow *toplevel = GetContainer();
2339 if (toplevel && !toplevel->IsSimpleWindow()) {
2340 /*
2341 * The frame should be focused by click in case it is
2342 * the active window but not the focused window. See 6886678.
2343 */
2344 if (toplevel->GetHWnd() == ::GetActiveWindow() &&
2345 toplevel->GetHWnd() != AwtComponent::GetFocusedWindow())
2346 {
2347 toplevel->AwtSetActiveWindow();
2348 }
2349 }
2350
2351 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y,
2352 GetJavaModifiers(), clickCount, JNI_FALSE,
2353 GetButton(button), &msg);
2354 /*
2355 * NOTE: this call is intentionally placed after all other code,
2356 * since AwtComponent::WmMouseDown() assumes that the cached id of the
2357 * latest retrieved message (see lastMessage in awt_Component.cpp)
2358 * matches the mouse message being processed.
2359 * SetCapture() sends WM_CAPTURECHANGED and breaks that
2360 * assumption.
2361 */
2362 SetDragCapture(flags);
2363
2364 AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd()));
2365 if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) {
2366 if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) {
2367 AwtWindow::GetGrabbedWindow()->Ungrab();
2368 }
2369 }
2370 return mrConsume;
2371 }
2372
2373 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button)
2374 {
2375 MSG msg;
2376 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2377
2378 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, ::JVM_CurrentTimeMillis(NULL, 0),
2379 x, y, GetJavaModifiers(), clickCount,
2380 (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ?
2381 TRUE : FALSE), GetButton(button), &msg);
2382 /*
2383 * If no movement, then report a click following the button release.
2384 * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN,
2385 * spurous MOUSE_CLICK is about to happen. See 6430553.
2386 */
2387 if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed
2388 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED,
2389 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(),
2390 clickCount, JNI_FALSE, GetButton(button));
2391 }
2392 // Exclude button from allowed to generate CLICK messages
2393 m_mouseButtonClickAllowed &= ~GetButtonMK(button);
2394
2395 if ((flags & ALL_MK_BUTTONS) == 0) {
2396 // only update if all buttons have been released
2397 AwtCursor::UpdateCursor(this);
2398 }
2399 /*
2400 * NOTE: this call is intentionally placed after all other code,
2401 * since AwtComponent::WmMouseUp() assumes that the cached id of the
2402 * latest retrieved message (see lastMessage in awt_Component.cpp)
2403 * matches the mouse message being processed.
2404 * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that
2405 * assumption.
2406 */
2407 ReleaseDragCapture(flags);
2408
2409 return mrConsume;
2410 }
2411
2412 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y)
2413 {
2414 static AwtComponent* lastComp = NULL;
2415 static int lastX = 0;
2416 static int lastY = 0;
2417
2418 /*
2419 * Only report mouse move and drag events if a move or drag
2420 * actually happened -- Windows sends a WM_MOUSEMOVE in case the
2421 * app wants to modify the cursor.
2422 */
2423 if (lastComp != this || x != lastX || y != lastY) {
2424 lastComp = this;
2425 lastX = x;
2426 lastY = y;
2427 BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled();
2428 if (((flags & (ALL_MK_BUTTONS)) != 0) ||
2429 (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0))
2430 // if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) ||
2431 // ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) ))
2432 {
2433 // 6404008 : if Dragged event fired we shouldn't fire
2434 // Clicked event: m_firstDragSent set to TRUE.
2435 // This is a partial backout of 5039416 fix.
2436 MSG msg;
2437 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2438 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2439 GetJavaModifiers(), 0, JNI_FALSE,
2440 java_awt_event_MouseEvent_NOBUTTON, &msg);
2441 //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence
2442 m_mouseButtonClickAllowed = 0;
2443 } else {
2444 MSG msg;
2445 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2446 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2447 GetJavaModifiers(), 0, JNI_FALSE,
2448 java_awt_event_MouseEvent_NOBUTTON, &msg);
2449 }
2450 }
2451
2452 return mrConsume;
2453 }
2454
2455 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y)
2456 {
2457 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, ::JVM_CurrentTimeMillis(NULL, 0), x,
2458 y, GetJavaModifiers(), 0, JNI_FALSE);
2459 sm_cursorOn = NULL;
2460 return mrConsume; /* Don't pass our synthetic event on! */
2461 }
2462
2463 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y,
2464 int wheelRotation)
2465 {
2466 // convert coordinates to be Component-relative, not screen relative
2467 // for wheeling when outside the window, this works similar to
2468 // coordinates during a drag
2469 POINT eventPt;
2470 eventPt.x = x;
2471 eventPt.y = y;
2472 DTRACE_PRINT2(" original coords: %i,%i\n", x, y);
2473 ::ScreenToClient(GetHWnd(), &eventPt);
2474 DTRACE_PRINT2(" new coords: %i,%i\n\n", eventPt.x, eventPt.y);
2475
2476 // set some defaults
2477 jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2478 jint scrollLines = 3;
2479
2480 BOOL result;
2481 UINT platformLines;
2482
2483 m_wheelRotationAmount += wheelRotation;
2484
2485 // AWT interprets wheel rotation differently than win32, so we need to
2486 // decode wheel amount.
2487 jint roundedWheelRotation = m_wheelRotationAmount / (-1 * WHEEL_DELTA);
2488 jdouble preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA);
2489
2490 MSG msg;
2491 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
2492 &platformLines, 0);
2493 InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation),
2494 MAKELPARAM(x, y));
2495
2496 if (result) {
2497 if (platformLines == WHEEL_PAGESCROLL) {
2498 scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL;
2499 scrollLines = 1;
2500 }
2501 else {
2502 scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2503 scrollLines = platformLines;
2504 }
2505 }
2506
2507 DTRACE_PRINTLN("calling SendMouseWheelEvent");
2508
2509 SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, ::JVM_CurrentTimeMillis(NULL, 0),
2510 eventPt.x, eventPt.y, GetJavaModifiers(), 0, 0, scrollType,
2511 scrollLines, roundedWheelRotation, preciseWheelRotation, &msg);
2512
2513 m_wheelRotationAmount %= WHEEL_DELTA;
2514 // this message could be propagated up to the parent chain
2515 // by the mouse message post processors
2516 return mrConsume;
2517 }
2518
2519 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) {
2520 // Rector+Newcomer page 413
2521 // The extended keys are the Alt and Control on the right of
2522 // the space bar, the non-Numpad arrow keys, the non-Numpad
2523 // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys.
2524 // Note that neither Shift key is extended.
2525 // Although not listed in Rector+Newcomer, both Windows keys
2526 // (91 and 92) are extended keys, the Context Menu key
2527 // (property key or application key - 93) is extended,
2528 // and so is the NumLock key.
2529
2530 // wkey is the wParam, flags is the HIWORD of the lParam
2531
2532 // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam)
2533 BOOL extended = ((1<<8) & flags);
2534
2535 if (IsNumPadKey(wkey, extended)) {
2536 return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD;
2537 }
2538
2539 switch (wkey) {
2540 case VK_SHIFT:
2541 return AwtComponent::GetShiftKeyLocation(wkey, flags);
2542 case VK_CONTROL: // fall through
2543 case VK_MENU:
2544 if (extended) {
2545 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2546 } else {
2547 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2548 }
2549 case VK_LWIN:
2550 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2551 case VK_RWIN:
2552 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2553 default:
2554 break;
2555 }
2556
2557 // REMIND: if we add keycodes for the windows keys, we'll have to
2558 // include left/right discrimination code for them.
2559
2560 return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
2561 }
2562
2563 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags)
2564 {
2565 // init scancodes to safe values
2566 UINT leftShiftScancode = 0;
2567 UINT rightShiftScancode = 0;
2568
2569 // First 8 bits of flags is the scancode
2570 UINT keyScanCode = flags & 0xFF;
2571
2572 DTRACE_PRINTLN3(
2573 "AwtComponent::GetShiftKeyLocation vkey = %d = 0x%x scan = %d",
2574 vkey, vkey, keyScanCode);
2575
2576 leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0);
2577 rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0);
2578
2579 if (keyScanCode == leftShiftScancode) {
2580 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2581 }
2582 if (keyScanCode == rightShiftScancode) {
2583 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2584 }
2585
2586 DASSERT(false);
2587 // Note: the above should not fail on NT (or 2000)
2588
2589 // default value
2590 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2591 }
2592
2593 /* Returns Java ActionEvent modifieres.
2594 * When creating ActionEvent, modifiers provided by ActionEvent
2595 * class should be set.
2596 */
2597 jint
2598 AwtComponent::GetActionModifiers()
2599 {
2600 jint modifiers = GetJavaModifiers();
2601
2602 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
2603 modifiers |= java_awt_event_ActionEvent_CTRL_MASK;
2604 }
2605 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
2606 modifiers |= java_awt_event_ActionEvent_SHIFT_MASK;
2607 }
2608 if (modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) {
2609 modifiers |= java_awt_event_ActionEvent_ALT_MASK;
2610 }
2611 return modifiers;
2612 }
2613
2614 /* Returns Java extended InputEvent modifieres.
2615 * Since ::GetKeyState returns current state and Java modifiers represent
2616 * state before event, modifier on changed key are inverted.
2617 */
2618 jint
2619 AwtComponent::GetJavaModifiers()
2620 {
2621 jint modifiers = 0;
2622
2623 if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) {
2624 modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK;
2625 }
2626 if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) {
2627 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2628 }
2629 if (HIBYTE(::GetKeyState(VK_MENU)) != 0) {
2630 modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK;
2631 }
2632 if (HIBYTE(::GetKeyState(VK_RMENU)) != 0) {
2633 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
2634 }
2635 if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) {
2636 modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK;
2637 }
2638 if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) {
2639 modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK;
2640 }
2641 if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) {
2642 modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK;
2643 }
2644
2645 if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) {
2646 modifiers |= masks[3];
2647 }
2648 if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) {
2649 modifiers |= masks[4];
2650 }
2651 return modifiers;
2652 }
2653
2654 jint
2655 AwtComponent::GetButton(int mouseButton)
2656 {
2657 /* Mouse buttons are already set correctly for left/right handedness */
2658 switch(mouseButton) {
2659 case LEFT_BUTTON:
2660 return java_awt_event_MouseEvent_BUTTON1;
2661 case MIDDLE_BUTTON:
2662 return java_awt_event_MouseEvent_BUTTON2;
2663 case RIGHT_BUTTON:
2664 return java_awt_event_MouseEvent_BUTTON3;
2665 case X1_BUTTON: //16 :
2666 //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now
2667 return 4;
2668 case X2_BUTTON: //32
2669 return 5;
2670 }
2671 return java_awt_event_MouseEvent_NOBUTTON;
2672 }
2673
2674 UINT
2675 AwtComponent::GetButtonMK(int mouseButton)
2676 {
2677 switch(mouseButton) {
2678 case LEFT_BUTTON:
2679 return MK_LBUTTON;
2680 case MIDDLE_BUTTON:
2681 return MK_MBUTTON;
2682 case RIGHT_BUTTON:
2683 return MK_RBUTTON;
2684 case X1_BUTTON:
2685 return MK_XBUTTON1;
2686 case X2_BUTTON:
2687 return MK_XBUTTON2;
2688 }
2689 return 0;
2690 }
2691
2692 // FIXME: Keyboard related stuff has grown so big and hairy that we
2693 // really need to move it into a class of its own. And, since
2694 // keyboard is a shared resource, AwtComponent is a bad place for it.
2695
2696 // These constants are defined in the Japanese version of VC++5.0,
2697 // but not the US version
2698 #ifndef VK_CONVERT
2699 #define VK_KANA 0x15
2700 #define VK_KANJI 0x19
2701 #define VK_CONVERT 0x1C
2702 #define VK_NONCONVERT 0x1D
2703 #endif
2704
2705 #ifndef VK_XBUTTON1
2706 #define VK_XBUTTON1 0x05
2707 #endif
2708
2709 #ifndef VK_XBUTTON2
2710 #define VK_XBUTTON2 0x06
2711 #endif
2712
2713 typedef struct {
2714 UINT javaKey;
2715 UINT windowsKey;
2716 } KeyMapEntry;
2717
2718 // Static table, arranged more or less spatially.
2719 KeyMapEntry keyMapTable[] = {
2720 // Modifier keys
2721 {java_awt_event_KeyEvent_VK_CAPS_LOCK, VK_CAPITAL},
2722 {java_awt_event_KeyEvent_VK_SHIFT, VK_SHIFT},
2723 {java_awt_event_KeyEvent_VK_CONTROL, VK_CONTROL},
2724 {java_awt_event_KeyEvent_VK_ALT, VK_MENU},
2725 {java_awt_event_KeyEvent_VK_ALT_GRAPH, VK_RMENU},
2726 {java_awt_event_KeyEvent_VK_NUM_LOCK, VK_NUMLOCK},
2727
2728 // Miscellaneous Windows keys
2729 {java_awt_event_KeyEvent_VK_WINDOWS, VK_LWIN},
2730 {java_awt_event_KeyEvent_VK_WINDOWS, VK_RWIN},
2731 {java_awt_event_KeyEvent_VK_CONTEXT_MENU, VK_APPS},
2732
2733 // Alphabet
2734 {java_awt_event_KeyEvent_VK_A, 'A'},
2735 {java_awt_event_KeyEvent_VK_B, 'B'},
2736 {java_awt_event_KeyEvent_VK_C, 'C'},
2737 {java_awt_event_KeyEvent_VK_D, 'D'},
2738 {java_awt_event_KeyEvent_VK_E, 'E'},
2739 {java_awt_event_KeyEvent_VK_F, 'F'},
2740 {java_awt_event_KeyEvent_VK_G, 'G'},
2741 {java_awt_event_KeyEvent_VK_H, 'H'},
2742 {java_awt_event_KeyEvent_VK_I, 'I'},
2743 {java_awt_event_KeyEvent_VK_J, 'J'},
2744 {java_awt_event_KeyEvent_VK_K, 'K'},
2745 {java_awt_event_KeyEvent_VK_L, 'L'},
2746 {java_awt_event_KeyEvent_VK_M, 'M'},
2747 {java_awt_event_KeyEvent_VK_N, 'N'},
2748 {java_awt_event_KeyEvent_VK_O, 'O'},
2749 {java_awt_event_KeyEvent_VK_P, 'P'},
2750 {java_awt_event_KeyEvent_VK_Q, 'Q'},
2751 {java_awt_event_KeyEvent_VK_R, 'R'},
2752 {java_awt_event_KeyEvent_VK_S, 'S'},
2753 {java_awt_event_KeyEvent_VK_T, 'T'},
2754 {java_awt_event_KeyEvent_VK_U, 'U'},
2755 {java_awt_event_KeyEvent_VK_V, 'V'},
2756 {java_awt_event_KeyEvent_VK_W, 'W'},
2757 {java_awt_event_KeyEvent_VK_X, 'X'},
2758 {java_awt_event_KeyEvent_VK_Y, 'Y'},
2759 {java_awt_event_KeyEvent_VK_Z, 'Z'},
2760
2761 // Standard numeric row
2762 {java_awt_event_KeyEvent_VK_0, '0'},
2763 {java_awt_event_KeyEvent_VK_1, '1'},
2764 {java_awt_event_KeyEvent_VK_2, '2'},
2765 {java_awt_event_KeyEvent_VK_3, '3'},
2766 {java_awt_event_KeyEvent_VK_4, '4'},
2767 {java_awt_event_KeyEvent_VK_5, '5'},
2768 {java_awt_event_KeyEvent_VK_6, '6'},
2769 {java_awt_event_KeyEvent_VK_7, '7'},
2770 {java_awt_event_KeyEvent_VK_8, '8'},
2771 {java_awt_event_KeyEvent_VK_9, '9'},
2772
2773 // Misc key from main block
2774 {java_awt_event_KeyEvent_VK_ENTER, VK_RETURN},
2775 {java_awt_event_KeyEvent_VK_SPACE, VK_SPACE},
2776 {java_awt_event_KeyEvent_VK_BACK_SPACE, VK_BACK},
2777 {java_awt_event_KeyEvent_VK_TAB, VK_TAB},
2778 {java_awt_event_KeyEvent_VK_ESCAPE, VK_ESCAPE},
2779
2780 // NumPad with NumLock off & extended block (rectangular)
2781 {java_awt_event_KeyEvent_VK_INSERT, VK_INSERT},
2782 {java_awt_event_KeyEvent_VK_DELETE, VK_DELETE},
2783 {java_awt_event_KeyEvent_VK_HOME, VK_HOME},
2784 {java_awt_event_KeyEvent_VK_END, VK_END},
2785 {java_awt_event_KeyEvent_VK_PAGE_UP, VK_PRIOR},
2786 {java_awt_event_KeyEvent_VK_PAGE_DOWN, VK_NEXT},
2787 {java_awt_event_KeyEvent_VK_CLEAR, VK_CLEAR}, // NumPad 5
2788
2789 // NumPad with NumLock off & extended arrows block (triangular)
2790 {java_awt_event_KeyEvent_VK_LEFT, VK_LEFT},
2791 {java_awt_event_KeyEvent_VK_RIGHT, VK_RIGHT},
2792 {java_awt_event_KeyEvent_VK_UP, VK_UP},
2793 {java_awt_event_KeyEvent_VK_DOWN, VK_DOWN},
2794
2795 // NumPad with NumLock on: numbers
2796 {java_awt_event_KeyEvent_VK_NUMPAD0, VK_NUMPAD0},
2797 {java_awt_event_KeyEvent_VK_NUMPAD1, VK_NUMPAD1},
2798 {java_awt_event_KeyEvent_VK_NUMPAD2, VK_NUMPAD2},
2799 {java_awt_event_KeyEvent_VK_NUMPAD3, VK_NUMPAD3},
2800 {java_awt_event_KeyEvent_VK_NUMPAD4, VK_NUMPAD4},
2801 {java_awt_event_KeyEvent_VK_NUMPAD5, VK_NUMPAD5},
2802 {java_awt_event_KeyEvent_VK_NUMPAD6, VK_NUMPAD6},
2803 {java_awt_event_KeyEvent_VK_NUMPAD7, VK_NUMPAD7},
2804 {java_awt_event_KeyEvent_VK_NUMPAD8, VK_NUMPAD8},
2805 {java_awt_event_KeyEvent_VK_NUMPAD9, VK_NUMPAD9},
2806
2807 // NumPad with NumLock on
2808 {java_awt_event_KeyEvent_VK_MULTIPLY, VK_MULTIPLY},
2809 {java_awt_event_KeyEvent_VK_ADD, VK_ADD},
2810 {java_awt_event_KeyEvent_VK_SEPARATOR, VK_SEPARATOR},
2811 {java_awt_event_KeyEvent_VK_SUBTRACT, VK_SUBTRACT},
2812 {java_awt_event_KeyEvent_VK_DECIMAL, VK_DECIMAL},
2813 {java_awt_event_KeyEvent_VK_DIVIDE, VK_DIVIDE},
2814
2815 // Functional keys
2816 {java_awt_event_KeyEvent_VK_F1, VK_F1},
2817 {java_awt_event_KeyEvent_VK_F2, VK_F2},
2818 {java_awt_event_KeyEvent_VK_F3, VK_F3},
2819 {java_awt_event_KeyEvent_VK_F4, VK_F4},
2820 {java_awt_event_KeyEvent_VK_F5, VK_F5},
2821 {java_awt_event_KeyEvent_VK_F6, VK_F6},
2822 {java_awt_event_KeyEvent_VK_F7, VK_F7},
2823 {java_awt_event_KeyEvent_VK_F8, VK_F8},
2824 {java_awt_event_KeyEvent_VK_F9, VK_F9},
2825 {java_awt_event_KeyEvent_VK_F10, VK_F10},
2826 {java_awt_event_KeyEvent_VK_F11, VK_F11},
2827 {java_awt_event_KeyEvent_VK_F12, VK_F12},
2828 {java_awt_event_KeyEvent_VK_F13, VK_F13},
2829 {java_awt_event_KeyEvent_VK_F14, VK_F14},
2830 {java_awt_event_KeyEvent_VK_F15, VK_F15},
2831 {java_awt_event_KeyEvent_VK_F16, VK_F16},
2832 {java_awt_event_KeyEvent_VK_F17, VK_F17},
2833 {java_awt_event_KeyEvent_VK_F18, VK_F18},
2834 {java_awt_event_KeyEvent_VK_F19, VK_F19},
2835 {java_awt_event_KeyEvent_VK_F20, VK_F20},
2836 {java_awt_event_KeyEvent_VK_F21, VK_F21},
2837 {java_awt_event_KeyEvent_VK_F22, VK_F22},
2838 {java_awt_event_KeyEvent_VK_F23, VK_F23},
2839 {java_awt_event_KeyEvent_VK_F24, VK_F24},
2840
2841 {java_awt_event_KeyEvent_VK_PRINTSCREEN, VK_SNAPSHOT},
2842 {java_awt_event_KeyEvent_VK_SCROLL_LOCK, VK_SCROLL},
2843 {java_awt_event_KeyEvent_VK_PAUSE, VK_PAUSE},
2844 {java_awt_event_KeyEvent_VK_CANCEL, VK_CANCEL},
2845 {java_awt_event_KeyEvent_VK_HELP, VK_HELP},
2846
2847 // Japanese
2848 {java_awt_event_KeyEvent_VK_CONVERT, VK_CONVERT},
2849 {java_awt_event_KeyEvent_VK_NONCONVERT, VK_NONCONVERT},
2850 {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI},
2851 {java_awt_event_KeyEvent_VK_ALPHANUMERIC, VK_DBE_ALPHANUMERIC},
2852 {java_awt_event_KeyEvent_VK_KATAKANA, VK_DBE_KATAKANA},
2853 {java_awt_event_KeyEvent_VK_HIRAGANA, VK_DBE_HIRAGANA},
2854 {java_awt_event_KeyEvent_VK_FULL_WIDTH, VK_DBE_DBCSCHAR},
2855 {java_awt_event_KeyEvent_VK_HALF_WIDTH, VK_DBE_SBCSCHAR},
2856 {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN},
2857
2858 {java_awt_event_KeyEvent_VK_UNDEFINED, 0}
2859 };
2860
2861
2862 // Dynamic mapping table for OEM VK codes. This table is refilled
2863 // by BuildDynamicKeyMapTable when keyboard layout is switched.
2864 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values).
2865 struct DynamicKeyMapEntry {
2866 UINT windowsKey; // OEM VK codes known in advance
2867 UINT javaKey; // depends on input langauge (kbd layout)
2868 };
2869
2870 static DynamicKeyMapEntry dynamicKeyMapTable[] = {
2871 {0x00BA, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1
2872 {0x00BB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS
2873 {0x00BC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA
2874 {0x00BD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS
2875 {0x00BE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD
2876 {0x00BF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2
2877 {0x00C0, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3
2878 {0x00DB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4
2879 {0x00DC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5
2880 {0x00DD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6
2881 {0x00DE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7
2882 {0x00DF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8
2883 {0x00E2, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102
2884 {0, 0}
2885 };
2886
2887
2888
2889 // Auxiliary tables used to fill the above dynamic table. We first
2890 // find the character for the OEM VK code using ::MapVirtualKey and
2891 // then go through these auxiliary tables to map it to Java VK code.
2892
2893 struct CharToVKEntry {
2894 WCHAR c;
2895 UINT javaKey;
2896 };
2897
2898 static const CharToVKEntry charToVKTable[] = {
2899 {L'!', java_awt_event_KeyEvent_VK_EXCLAMATION_MARK},
2900 {L'"', java_awt_event_KeyEvent_VK_QUOTEDBL},
2901 {L'#', java_awt_event_KeyEvent_VK_NUMBER_SIGN},
2902 {L'$', java_awt_event_KeyEvent_VK_DOLLAR},
2903 {L'&', java_awt_event_KeyEvent_VK_AMPERSAND},
2904 {L'\'', java_awt_event_KeyEvent_VK_QUOTE},
2905 {L'(', java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS},
2906 {L')', java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS},
2907 {L'*', java_awt_event_KeyEvent_VK_ASTERISK},
2908 {L'+', java_awt_event_KeyEvent_VK_PLUS},
2909 {L',', java_awt_event_KeyEvent_VK_COMMA},
2910 {L'-', java_awt_event_KeyEvent_VK_MINUS},
2911 {L'.', java_awt_event_KeyEvent_VK_PERIOD},
2912 {L'/', java_awt_event_KeyEvent_VK_SLASH},
2913 {L':', java_awt_event_KeyEvent_VK_COLON},
2914 {L';', java_awt_event_KeyEvent_VK_SEMICOLON},
2915 {L'<', java_awt_event_KeyEvent_VK_LESS},
2916 {L'=', java_awt_event_KeyEvent_VK_EQUALS},
2917 {L'>', java_awt_event_KeyEvent_VK_GREATER},
2918 {L'@', java_awt_event_KeyEvent_VK_AT},
2919 {L'[', java_awt_event_KeyEvent_VK_OPEN_BRACKET},
2920 {L'\\', java_awt_event_KeyEvent_VK_BACK_SLASH},
2921 {L']', java_awt_event_KeyEvent_VK_CLOSE_BRACKET},
2922 {L'^', java_awt_event_KeyEvent_VK_CIRCUMFLEX},
2923 {L'_', java_awt_event_KeyEvent_VK_UNDERSCORE},
2924 {L'`', java_awt_event_KeyEvent_VK_BACK_QUOTE},
2925 {L'{', java_awt_event_KeyEvent_VK_BRACELEFT},
2926 {L'}', java_awt_event_KeyEvent_VK_BRACERIGHT},
2927 {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK},
2928 {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ????
2929 {0,0}
2930 };
2931
2932 // For dead accents some layouts return ASCII punctuation, while some
2933 // return spacing accent chars, so both should be listed. NB: MS docs
2934 // say that conversion routings return spacing accent character, not
2935 // combining.
2936 static const CharToVKEntry charToDeadVKTable[] = {
2937 {L'`', java_awt_event_KeyEvent_VK_DEAD_GRAVE},
2938 {L'\'', java_awt_event_KeyEvent_VK_DEAD_ACUTE},
2939 {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE},
2940 {L'^', java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX},
2941 {L'~', java_awt_event_KeyEvent_VK_DEAD_TILDE},
2942 {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE},
2943 {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON},
2944 {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE},
2945 {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT},
2946 {L'"', java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
2947 {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
2948 {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING},
2949 {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE},
2950 {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON}, // aka hacek
2951 {L',', java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
2952 {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
2953 {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK},
2954 {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA}, // ASCII ???
2955 {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND},
2956 {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND},
2957 {0x0004, java_awt_event_KeyEvent_VK_COMPOSE},
2958 {0,0}
2959 };
2960
2961 // The full map of the current keyboard state including
2962 // windows virtual key, scancode, java virtual key, and unicode
2963 // for this key sans modifiers.
2964 // All but first element may be 0.
2965 // XXX in the update releases this is an addition to the unchanged existing code
2966 struct DynPrimaryKeymapEntry {
2967 UINT wkey;
2968 UINT scancode;
2969 UINT jkey;
2970 WCHAR unicode;
2971 };
2972
2973 static DynPrimaryKeymapEntry dynPrimaryKeymap[256];
2974
2975 void
2976 AwtComponent::InitDynamicKeyMapTable()
2977 {
2978 static BOOL kbdinited = FALSE;
2979
2980 if (!kbdinited) {
2981 AwtComponent::BuildDynamicKeyMapTable();
2982 // We cannot build it here since JNI is not available yet:
2983 //AwtComponent::BuildPrimaryDynamicTable();
2984 kbdinited = TRUE;
2985 }
2986 }
2987
2988 void
2989 AwtComponent::BuildDynamicKeyMapTable()
2990 {
2991 HKL hkl = GetKeyboardLayout();
2992
2993 DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)",
2994 hkl, AwtComponent::GetCodePage());
2995
2996 // Will need this to reset layout after dead keys.
2997 UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl);
2998
2999 // Entries in dynamic table that maps between Java VK and Windows
3000 // VK are built in three steps:
3001 // 1. Map windows VK to ANSI character (cannot map to unicode
3002 // directly, since ::ToUnicode is not implemented on win9x)
3003 // 2. Convert ANSI char to Unicode char
3004 // 3. Map Unicode char to Java VK via two auxilary tables.
3005
3006 for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable;
3007 dynamic->windowsKey != 0;
3008 ++dynamic)
3009 {
3010 // Defaults to VK_UNDEFINED
3011 dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED;
3012
3013 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3014 AwtToolkit::GetKeyboardState(kbdState);
3015
3016 kbdState[dynamic->windowsKey] |= 0x80; // Press the key.
3017
3018 // Unpress modifiers, since they are most likely pressed as
3019 // part of the keyboard switching shortcut.
3020 kbdState[VK_CONTROL] &= ~0x80;
3021 kbdState[VK_SHIFT] &= ~0x80;
3022 kbdState[VK_MENU] &= ~0x80;
3023
3024 char cbuf[2] = { '\0', '\0'};
3025 UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl);
3026 int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState,
3027 (WORD*)cbuf, 0, hkl);
3028
3029 // Auxiliary table used to map Unicode character to Java VK.
3030 // Will assign a different table for dead keys (below).
3031 const CharToVKEntry *charMap = charToVKTable;
3032
3033 if (nchars < 0) { // Dead key
3034 // Use a different table for dead chars since different layouts
3035 // return different characters for the same dead key.
3036 charMap = charToDeadVKTable;
3037
3038 // We also need to reset layout so that next translation
3039 // is unaffected by the dead status. We do this by
3040 // translating <SPACE> key.
3041 kbdState[dynamic->windowsKey] &= ~0x80;
3042 kbdState[VK_SPACE] |= 0x80;
3043
3044 char junkbuf[2] = { '\0', '\0'};
3045 ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState,
3046 (WORD*)junkbuf, 0, hkl);
3047 }
3048
3049 #ifdef DEBUG
3050 if (nchars == 0) {
3051 DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char",
3052 dynamic->windowsKey);
3053 continue;
3054 }
3055 else if (nchars > 1) { // can't happen, see reset code below
3056 DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>",
3057 dynamic->windowsKey,
3058 (UCHAR)cbuf[0], (UCHAR)cbuf[1]);
3059 continue;
3060 }
3061 #endif
3062
3063 WCHAR ucbuf[2] = { L'\0', L'\0' };
3064 int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0,
3065 cbuf, 1, ucbuf, 2);
3066 #ifdef DEBUG
3067 if (nconverted < 0) {
3068 DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)",
3069 dynamic->windowsKey, (UCHAR)cbuf[0],
3070 ::GetLastError());
3071 continue;
3072 }
3073 #endif
3074
3075 WCHAR uc = ucbuf[0];
3076 for (const CharToVKEntry *map = charMap; map->c != 0; ++map) {
3077 if (uc == map->c) {
3078 dynamic->javaKey = map->javaKey;
3079 break;
3080 }
3081 }
3082
3083 DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X",
3084 dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0],
3085 dynamic->javaKey);
3086 } // for each VK_OEM_*
3087 }
3088
3089
3090 static BOOL isKanaLockAvailable()
3091 {
3092 // This method is to determine whether the Kana Lock feature is
3093 // available on the attached keyboard. Kana Lock feature does not
3094 // necessarily require that the real KANA keytop is available on
3095 // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing.
3096 // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :-
3097 //
3098 // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL)
3099 // - the keyboard is Japanese keyboard (keyboard type == 7).
3100 return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT))
3101 && (GetKeyboardType(0) == 7);
3102 }
3103
3104 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey,
3105 UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey)
3106 {
3107 // Handle the few cases where a Java VK code corresponds to a Windows
3108 // key/modifier combination or applies only to specific keyboard layouts
3109 switch (javaKey) {
3110 case java_awt_event_KeyEvent_VK_ALL_CANDIDATES:
3111 *windowsKey = VK_CONVERT;
3112 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3113 return;
3114 case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE:
3115 *windowsKey = VK_CONVERT;
3116 *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3117 return;
3118 case java_awt_event_KeyEvent_VK_CODE_INPUT:
3119 *windowsKey = VK_DBE_ALPHANUMERIC;
3120 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3121 return;
3122 case java_awt_event_KeyEvent_VK_KANA_LOCK:
3123 if (isKanaLockAvailable()) {
3124 *windowsKey = VK_KANA;
3125 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK;
3126 return;
3127 }
3128 }
3129
3130 // for the general case, use a bi-directional table
3131 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3132 if (keyMapTable[i].javaKey == javaKey) {
3133 *windowsKey = keyMapTable[i].windowsKey;
3134 *modifiers = 0;
3135 return;
3136 }
3137 }
3138
3139 // Bug 4766655
3140 // Two Windows keys could map to the same Java key, so
3141 // give preference to the originalWindowsKey if it is
3142 // specified (not IGNORE_KEY).
3143 if (originalWindowsKey == IGNORE_KEY) {
3144 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3145 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3146 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3147 *modifiers = 0;
3148 return;
3149 }
3150 }
3151 } else {
3152 BOOL found = false;
3153 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3154 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3155 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3156 *modifiers = 0;
3157 found = true;
3158 if (*windowsKey == originalWindowsKey) {
3159 return; /* if ideal case found return, else keep looking */
3160 }
3161 }
3162 }
3163 if (found) {
3164 return;
3165 }
3166 }
3167
3168 *windowsKey = 0;
3169 *modifiers = 0;
3170 return;
3171 }
3172
3173 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey)
3174
3175 {
3176 // Handle the few cases where we need to take the modifier into
3177 // consideration for the Java VK code or where we have to take the keyboard
3178 // layout into consideration so that function keys can get
3179 // recognized in a platform-independent way.
3180 switch (windowsKey) {
3181 case VK_CONVERT:
3182 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3183 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES;
3184 }
3185 if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) {
3186 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE;
3187 }
3188 break;
3189 case VK_DBE_ALPHANUMERIC:
3190 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3191 return java_awt_event_KeyEvent_VK_CODE_INPUT;
3192 }
3193 break;
3194 case VK_KANA:
3195 if (isKanaLockAvailable()) {
3196 return java_awt_event_KeyEvent_VK_KANA_LOCK;
3197 }
3198 break;
3199 };
3200
3201 // check dead key
3202 if (isDeadKey) {
3203 for (int i = 0; charToDeadVKTable[i].c != 0; i++) {
3204 if (charToDeadVKTable[i].c == character) {
3205 return charToDeadVKTable[i].javaKey;
3206 }
3207 }
3208 }
3209
3210 // for the general case, use a bi-directional table
3211 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3212 if (keyMapTable[i].windowsKey == windowsKey) {
3213 return keyMapTable[i].javaKey;
3214 }
3215 }
3216
3217 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3218 if (dynamicKeyMapTable[j].windowsKey == windowsKey) {
3219 if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) {
3220 return dynamicKeyMapTable[j].javaKey;
3221 }else{
3222 break;
3223 }
3224 }
3225 }
3226
3227 return java_awt_event_KeyEvent_VK_UNDEFINED;
3228 }
3229
3230 BOOL AwtComponent::IsNavigationKey(UINT wkey) {
3231 switch (wkey) {
3232 case VK_END:
3233 case VK_PRIOR: // PageUp
3234 case VK_NEXT: // PageDown
3235 case VK_HOME:
3236 case VK_LEFT:
3237 case VK_UP:
3238 case VK_RIGHT:
3239 case VK_DOWN:
3240 return TRUE;
3241 }
3242 return FALSE;
3243 }
3244
3245 // determine if a key is a numpad key (distinguishes the numpad
3246 // arrow keys from the non-numpad arrow keys, for example).
3247 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended)
3248 {
3249 // Note: scancodes are the same for the numpad arrow keys and
3250 // the non-numpad arrow keys (also for PageUp, etc.).
3251 // The scancodes for the numpad divide and the non-numpad slash
3252 // are the same, but the wparams are different
3253
3254 DTRACE_PRINTLN3("AwtComponent::IsNumPadKey vkey = %d = 0x%x extended = %d",
3255 vkey, vkey, extended);
3256
3257 switch (vkey) {
3258 case VK_CLEAR: // numpad 5 with numlock off
3259 case VK_NUMPAD0:
3260 case VK_NUMPAD1:
3261 case VK_NUMPAD2:
3262 case VK_NUMPAD3:
3263 case VK_NUMPAD4:
3264 case VK_NUMPAD5:
3265 case VK_NUMPAD6:
3266 case VK_NUMPAD7:
3267 case VK_NUMPAD8:
3268 case VK_NUMPAD9:
3269 case VK_MULTIPLY:
3270 case VK_ADD:
3271 case VK_SEPARATOR: // numpad , not on US kbds
3272 case VK_SUBTRACT:
3273 case VK_DECIMAL:
3274 case VK_DIVIDE:
3275 case VK_NUMLOCK:
3276 return TRUE;
3277 break;
3278 case VK_END:
3279 case VK_PRIOR: // PageUp
3280 case VK_NEXT: // PageDown
3281 case VK_HOME:
3282 case VK_LEFT:
3283 case VK_UP:
3284 case VK_RIGHT:
3285 case VK_DOWN:
3286 case VK_INSERT:
3287 case VK_DELETE:
3288 // extended if non-numpad
3289 return (!extended);
3290 break;
3291 case VK_RETURN: // extended if on numpad
3292 return (extended);
3293 break;
3294 default:
3295 break;
3296 }
3297
3298 return FALSE;
3299 }
3300 static void
3301 resetKbdState( BYTE kstate[256]) {
3302 BYTE tmpState[256];
3303 WCHAR wc[2];
3304 memmove(tmpState, kstate, sizeof(kstate));
3305 tmpState[VK_SHIFT] = 0;
3306 tmpState[VK_CONTROL] = 0;
3307 tmpState[VK_MENU] = 0;
3308
3309 ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0, GetKeyboardLayout(0));
3310 }
3311
3312 // XXX in the update releases this is an addition to the unchanged existing code
3313 // After the call, a table will have a unicode associated with a windows virtual keycode
3314 // sans modifiers. With some further simplification, one can
3315 // derive java keycode from it, and anyway we will pass this unicode value
3316 // all the way up in a comment to a KeyEvent.
3317 void
3318 AwtComponent::BuildPrimaryDynamicTable() {
3319 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3320 // XXX: how about that?
3321 //CriticalSection::Lock l(GetLock());
3322 //if (GetPeer(env) == NULL) {
3323 // /* event received during termination. */
3324 // return;
3325 //}
3326
3327 HKL hkl = GetKeyboardLayout();
3328 UINT sc = 0;
3329 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3330 memset(kbdState, 0, sizeof (kbdState));
3331
3332 // Use JNI call to obtain java key code. We should keep a list
3333 // of currently available keycodes in a single place.
3334 static jclass extKeyCodesCls;
3335 if( extKeyCodesCls == NULL) {
3336 jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes");
3337 DASSERT(extKeyCodesClsLocal);
3338 CHECK_NULL(extKeyCodesClsLocal);
3339 extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal);
3340 env->DeleteLocalRef(extKeyCodesClsLocal);
3341 }
3342 static jmethodID getExtendedKeyCodeForChar;
3343 if (getExtendedKeyCodeForChar == NULL) {
3344 getExtendedKeyCodeForChar =
3345 env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I");
3346 DASSERT(getExtendedKeyCodeForChar);
3347 CHECK_NULL(getExtendedKeyCodeForChar);
3348 }
3349 jint extJKC; //extended Java key code
3350
3351 for (UINT i = 0; i < 256; i++) {
3352 dynPrimaryKeymap[i].wkey = i;
3353 dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED;
3354 dynPrimaryKeymap[i].unicode = 0;
3355
3356 if ((sc = MapVirtualKey (i, 0)) == 0) {
3357 dynPrimaryKeymap[i].scancode = 0;
3358 continue;
3359 }
3360 dynPrimaryKeymap[i].scancode = sc;
3361
3362 // XXX process cases like VK_SHIFT etc.
3363 kbdState[i] = 0x80; // "key pressed".
3364 WCHAR wc[16];
3365 int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl);
3366 if (k == 1) {
3367 // unicode
3368 dynPrimaryKeymap[i].unicode = wc[0];
3369 if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3370 // Convert unicode to java keycode.
3371 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000);
3372 //
3373 //XXX If this key in on the keypad, we should force a special value equal to
3374 //XXX an old java keycode: but how to say if it is a keypad key?
3375 //XXX We'll do it in WmKeyUp/Down.
3376 extJKC = env->CallStaticIntMethod(extKeyCodesCls,
3377 getExtendedKeyCodeForChar, (jint)(wc[0]));
3378 dynPrimaryKeymap[i].jkey = extJKC;
3379 }
3380 }else if (k == -1) {
3381 // dead key: use charToDeadVKTable
3382 dynPrimaryKeymap[i].unicode = wc[0];
3383 resetKbdState( kbdState );
3384 for (const CharToVKEntry *map = charToDeadVKTable; map->c != 0; ++map) {
3385 if (wc[0] == map->c) {
3386 dynPrimaryKeymap[i].jkey = map->javaKey;
3387 break;
3388 }
3389 }
3390 } else if (k == 0) {
3391 // reset
3392 resetKbdState( kbdState );
3393 }else {
3394 // k > 1: this key does generate multiple characters. Ignore it.
3395 // An example: Arabic Lam and Alef ligature.
3396 // There will be no extended keycode and thus shortcuts for this key.
3397 // XXX shouldn't we reset the kbd state?
3398 #ifdef DEBUG
3399 DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i);
3400 #endif
3401 }
3402 kbdState[i] = 0; // "key unpressed"
3403 }
3404 }
3405 void
3406 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers)
3407 {
3408 if( wkey && wkey < 256 ) {
3409 if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) {
3410 // At the creation time,
3411 // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /"
3412 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3413 }
3414 if(dynPrimaryKeymap[wkey].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3415 // E.g. it is non-unicode key
3416 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3417 }
3418 }
3419 }
3420
3421 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey)
3422 {
3423 static Hashtable transTable("VKEY translations");
3424 static Hashtable deadKeyFlagTable("Dead Key Flags");
3425 isDeadKey = FALSE;
3426
3427 // Try to translate using last saved translation
3428 if (ops == LOAD) {
3429 void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3430 void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3431 if (value != NULL) {
3432 isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag));
3433 return static_cast<UINT>(reinterpret_cast<INT_PTR>(value));
3434 }
3435 }
3436
3437 // If the windows key is a return, wkey will equal 13 ('\r')
3438 // In this case, we want to return 10 ('\n')
3439 // Since ToAscii would convert VK_RETURN to '\r', we need
3440 // to have a special case here.
3441 if (wkey == VK_RETURN)
3442 return '\n';
3443
3444 // high order bit in keyboardState indicates whether the key is down
3445 static const BYTE KEY_STATE_DOWN = 0x80;
3446 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
3447 AwtToolkit::GetKeyboardState(keyboardState);
3448
3449 // apply modifiers to keyboard state if necessary
3450 BOOL shiftIsDown = FALSE;
3451 if (modifiers) {
3452 shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3453 BOOL altIsDown = modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK;
3454 BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK;
3455
3456 // Windows treats AltGr as Ctrl+Alt
3457 if (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK) {
3458 altIsDown = TRUE;
3459 ctrlIsDown = TRUE;
3460 }
3461
3462 if (shiftIsDown) {
3463 keyboardState[VK_SHIFT] |= KEY_STATE_DOWN;
3464 }
3465
3466 // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715)
3467 // Here we try to resolve a conflict with ::ToAsciiEx's translating
3468 // ALT+number key combinations. kdm@sarc.spb.su
3469 // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail.
3470 if( IsNavigationKey(wkey) ) {
3471 keyboardState[VK_MENU] &= ~KEY_STATE_DOWN;
3472 }
3473
3474 if (ctrlIsDown)
3475 {
3476 if (altIsDown) {
3477 // bugid 4215009: don't mess with AltGr == Ctrl + Alt
3478 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3479 }
3480 else {
3481 // bugid 4098210: old event model doesn't have KEY_TYPED
3482 // events, so try to provide a meaningful character for
3483 // Ctrl+<key>. Take Ctrl into account only when we know
3484 // that Ctrl+<key> will be an ASCII control. Ignore by
3485 // default.
3486 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN;
3487
3488 // Letters have Ctrl+<letter> counterparts. According to
3489 // <winuser.h> VK_A through VK_Z are the same as ASCII
3490 // 'A' through 'Z'.
3491 if (wkey >= 'A' && wkey <= 'Z') {
3492 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3493 }
3494 else {
3495 // Non-letter controls 033 to 037 are:
3496 // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US)
3497
3498 // Shift state bits returned by ::VkKeyScan in HIBYTE
3499 static const UINT _VKS_SHIFT_MASK = 0x01;
3500 static const UINT _VKS_CTRL_MASK = 0x02;
3501 static const UINT _VKS_ALT_MASK = 0x04;
3502
3503 // Check to see whether there is a meaningful translation
3504 TCHAR ch;
3505 short vk;
3506 for (ch = _T('\033'); ch < _T('\040'); ch++) {
3507 vk = ::VkKeyScan(ch);
3508 if (wkey == LOBYTE(vk)) {
3509 UINT shiftState = HIBYTE(vk);
3510 if ((shiftState & _VKS_CTRL_MASK) ||
3511 (!(shiftState & _VKS_SHIFT_MASK)
3512 == !shiftIsDown))
3513 {
3514 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3515 }
3516 break;
3517 }
3518 }
3519 }
3520 } // ctrlIsDown && altIsDown
3521 } // ctrlIsDown
3522 } // modifiers
3523
3524 WORD wChar[2];
3525 int converted = 1;
3526 UINT ch = ::MapVirtualKey(wkey, 2);
3527 if (ch & 0x80000000) {
3528 // Dead key which is handled as a normal key
3529 isDeadKey = deadKeyActive = TRUE;
3530 } else if (deadKeyActive) {
3531 // We cannot use ::ToUnicodeEx if dead key is active because this will
3532 // break dead key function
3533 wChar[0] = shiftIsDown ? ch : tolower(ch);
3534 } else {
3535 UINT scancode = ::MapVirtualKey(wkey, 0);
3536 converted = ::ToUnicodeEx(wkey, scancode, keyboardState,
3537 wChar, 2, 0, GetKeyboardLayout());
3538 }
3539
3540 UINT translation;
3541 BOOL deadKeyFlag = (converted == 2);
3542
3543 // Dead Key
3544 if (converted < 0 || wChar[0] == 0 || isDeadKey) {
3545 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3546 } else
3547 // No translation available -- try known conversions or else punt.
3548 if (converted == 0) {
3549 if (wkey == VK_DELETE) {
3550 translation = '\177';
3551 } else
3552 if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) {
3553 translation = '0' + wkey - VK_NUMPAD0;
3554 } else {
3555 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3556 }
3557 } else
3558 // the caller expects a Unicode character.
3559 if (converted > 0) {
3560 translation = wChar[0];
3561 }
3562 if (ops == SAVE) {
3563 transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3564 reinterpret_cast<void*>(static_cast<INT_PTR>(translation)));
3565 if (deadKeyFlag) {
3566 deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3567 reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag)));
3568 } else {
3569 deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3570 }
3571 }
3572
3573 isDeadKey = deadKeyFlag;
3574 return translation;
3575 }
3576
3577 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt,
3578 UINT flags, BOOL system)
3579 {
3580 // VK_PROCESSKEY is a special value which means
3581 // "Current IME wants to consume this KeyEvent"
3582 // Real key code is saved by IMM32.DLL and can be retrieved by
3583 // calling ImmGetVirtualKey();
3584 if (wkey == VK_PROCESSKEY) {
3585 return mrDoDefault;
3586 }
3587 MSG msg;
3588 InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN),
3589 wkey, MAKELPARAM(repCnt, flags));
3590
3591 UINT modifiers = GetJavaModifiers();
3592 jint keyLocation = GetKeyLocation(wkey, flags);
3593 BOOL isDeadKey = FALSE;
3594 UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey);
3595 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3596 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3597
3598
3599 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED,
3600 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3601 modifiers, keyLocation, (jlong)wkey, &msg);
3602
3603 // bugid 4724007: Windows does not create a WM_CHAR for the Del key
3604 // for some reason, so we need to create the KEY_TYPED event on the
3605 // WM_KEYDOWN. Use null msg so the character doesn't get sent back
3606 // to the native window for processing (this event is synthesized
3607 // for Java - we don't want Windows trying to process it).
3608 if (jkey == java_awt_event_KeyEvent_VK_DELETE) {
3609 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3610 ::JVM_CurrentTimeMillis(NULL, 0),
3611 java_awt_event_KeyEvent_VK_UNDEFINED,
3612 character, modifiers,
3613 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0);
3614 }
3615
3616 return mrConsume;
3617 }
3618
3619 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt,
3620 UINT flags, BOOL system)
3621 {
3622
3623 // VK_PROCESSKEY is a special value which means
3624 // "Current IME wants to consume this KeyEvent"
3625 // Real key code is saved by IMM32.DLL and can be retrieved by
3626 // calling ImmGetVirtualKey();
3627 if (wkey == VK_PROCESSKEY) {
3628 return mrDoDefault;
3629 }
3630 MSG msg;
3631 InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP),
3632 wkey, MAKELPARAM(repCnt, flags));
3633
3634 UINT modifiers = GetJavaModifiers();
3635 jint keyLocation = GetKeyLocation(wkey, flags);
3636 BOOL isDeadKey = FALSE;
3637 UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey);
3638 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3639 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3640
3641 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED,
3642 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3643 modifiers, keyLocation, (jlong)wkey, &msg);
3644 return mrConsume;
3645 }
3646
3647 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout)
3648 {
3649 // Normally we would be able to use charset and TranslateCharSetInfo
3650 // to get a code page that should be associated with this keyboard
3651 // layout change. However, there seems to be an NT 4.0 bug associated
3652 // with the WM_INPUTLANGCHANGE message, which makes the charset parameter
3653 // unreliable, especially on Asian systems. Our workaround uses the
3654 // keyboard layout handle instead.
3655 m_hkl = hKeyboardLayout;
3656 m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID
3657 m_CodePage = LangToCodePage(m_idLang);
3658 BuildDynamicKeyMapTable(); // compute new mappings for VK_OEM
3659 BuildPrimaryDynamicTable();
3660 return mrConsume; // do not propagate to children
3661 }
3662
3663 // Convert Language ID to CodePage
3664 UINT AwtComponent::LangToCodePage(LANGID idLang)
3665 {
3666 TCHAR strCodePage[MAX_ACP_STR_LEN];
3667 // use the LANGID to create a LCID
3668 LCID idLocale = MAKELCID(idLang, SORT_DEFAULT);
3669 // get the ANSI code page associated with this locale
3670 if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 )
3671 return _ttoi(strCodePage);
3672 else
3673 return GetACP();
3674 }
3675
3676
3677 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system)
3678 {
3679 // We will simply create Java events here.
3680 WCHAR unicodeChar = character;
3681 MSG msg;
3682 InitMessage(&msg, WM_IME_CHAR, character,
3683 MAKELPARAM(repCnt, flags));
3684
3685 jint modifiers = GetJavaModifiers();
3686 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3687 ::JVM_CurrentTimeMillis(NULL, 0),
3688 java_awt_event_KeyEvent_VK_UNDEFINED,
3689 unicodeChar, modifiers,
3690 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3691 &msg);
3692 return mrConsume;
3693 }
3694
3695 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags,
3696 BOOL system)
3697 {
3698 deadKeyActive = FALSE;
3699
3700 // Will only get WmChar messages with DBCS if we create them for
3701 // an Edit class in the WmForwardChar method. These synthesized
3702 // DBCS chars are ok to pass on directly to the default window
3703 // procedure. They've already been filtered through the Java key
3704 // event queue. We will never get the trail byte since the edit
3705 // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR,
3706 // PM_REMOVE). I would like to be able to pass this character off
3707 // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to
3708 // like that.
3709
3710 // We will simply create Java events here.
3711 UINT message = system ? WM_SYSCHAR : WM_CHAR;
3712
3713 // The Alt modifier is reported in the 29th bit of the lParam,
3714 // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)).
3715 bool alt_is_down = (flags & (1<<13)) != 0;
3716
3717 // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu
3718 // We should not pass this particular combination to Java.
3719
3720 if (system && alt_is_down) {
3721 if (character == VK_SPACE) {
3722 return mrDoDefault;
3723 }
3724 }
3725
3726 // If this is a WM_CHAR (non-system) message, then the Alt flag
3727 // indicates that the character was typed using an AltGr key
3728 // (which Windows treats as Ctrl+Alt), so in this case we do NOT
3729 // pass the Ctrl and Alt modifiers to Java, but instead we
3730 // replace them with Java's AltGraph modifier. Note: the AltGraph
3731 // modifier does not exist in 1.1.x releases.
3732 jint modifiers = GetJavaModifiers();
3733 if (!system && alt_is_down) {
3734 // character typed with AltGraph
3735 modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK
3736 | java_awt_event_InputEvent_CTRL_DOWN_MASK);
3737 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
3738 }
3739
3740 WCHAR unicodeChar = character;
3741
3742 // Kludge: Combine pending single byte with this char for some Chinese IMEs
3743 if (m_PendingLeadByte != 0) {
3744 character = (m_PendingLeadByte & 0x00ff) | (character << 8);
3745 m_PendingLeadByte = 0;
3746 ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2,
3747 &unicodeChar, 1);
3748 }
3749
3750 if (unicodeChar == VK_RETURN) {
3751 // Enter key generates \r in windows, but \n is required in java
3752 unicodeChar = java_awt_event_KeyEvent_VK_ENTER;
3753 }
3754 MSG msg;
3755 InitMessage(&msg, message, character,
3756 MAKELPARAM(repCnt, flags));
3757 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3758 ::JVM_CurrentTimeMillis(NULL, 0),
3759 java_awt_event_KeyEvent_VK_UNDEFINED,
3760 unicodeChar, modifiers,
3761 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3762 &msg);
3763 return mrConsume;
3764 }
3765
3766 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam,
3767 BOOL synthetic)
3768 {
3769 // just post WM_CHAR with unicode key value
3770 DefWindowProc(WM_CHAR, (WPARAM)character, lParam);
3771 return mrConsume;
3772 }
3773
3774 MsgRouting AwtComponent::WmPaste()
3775 {
3776 return mrDoDefault;
3777 }
3778
3779 // support IME Composition messages
3780 void AwtComponent::SetCompositionWindow(RECT& r)
3781 {
3782 HWND hwnd = ImmGetHWnd();
3783 HIMC hIMC = ImmGetContext(hwnd);
3784 if (hIMC == NULL) {
3785 return;
3786 }
3787 COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}};
3788 ImmSetCompositionWindow(hIMC, &cf);
3789 ImmReleaseContext(hwnd, hIMC);
3790 }
3791
3792 void AwtComponent::OpenCandidateWindow(int x, int y)
3793 {
3794 UINT bits = 1;
3795 POINT p = {0, 0}; // upper left corner of the client area
3796 HWND hWnd = GetHWnd();
3797 HWND hTop = GetTopLevelParentForWindow(hWnd);
3798 ::ClientToScreen(hTop, &p);
3799 if (!m_bitsCandType) {
3800 SetCandidateWindow(m_bitsCandType, x - p.x, y - p.y);
3801 return;
3802 }
3803 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) {
3804 if ( m_bitsCandType & bits )
3805 SetCandidateWindow(iCandType, x - p.x, y - p.y);
3806 }
3807 if (m_bitsCandType != 0) {
3808 // REMIND: is there any chance GetProxyFocusOwner() returns NULL here?
3809 ::DefWindowProc(ImmGetHWnd(),
3810 WM_IME_NOTIFY, IMN_OPENCANDIDATE, m_bitsCandType);
3811 }
3812 }
3813
3814 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3815 {
3816 HWND hwnd = ImmGetHWnd();
3817 HIMC hIMC = ImmGetContext(hwnd);
3818 CANDIDATEFORM cf;
3819 cf.dwIndex = iCandType;
3820 cf.dwStyle = CFS_POINT;
3821 cf.ptCurrentPos.x = x;
3822 cf.ptCurrentPos.y = y;
3823
3824 ImmSetCandidateWindow(hIMC, &cf);
3825 ImmReleaseContext(hwnd, hIMC);
3826 }
3827
3828 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3829 {
3830 // If the Windows input context is disabled, do not let Windows
3831 // display any UIs.
3832 HWND hwnd = ImmGetHWnd();
3833 HIMC hIMC = ImmGetContext(hwnd);
3834 if (hIMC == NULL) {
3835 *lplParam = 0;
3836 return mrDoDefault;
3837 }
3838 ImmReleaseContext(hwnd, hIMC);
3839
3840 if (fSet) {
3841 LPARAM lParam = *lplParam;
3842 if (!m_useNativeCompWindow) {
3843 // stop to draw native composing window.
3844 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3845 }
3846 }
3847 return mrDoDefault;
3848 }
3849
3850 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3851 {
3852 if (!m_useNativeCompWindow) {
3853 if (subMsg == IMN_OPENCANDIDATE) {
3854 m_bitsCandType = subMsg;
3855 } else if (subMsg != IMN_SETCANDIDATEPOS) {
3856 m_bitsCandType = 0;
3857 }
3858 InquireCandidatePosition();
3859 return mrConsume;
3860 }
3861 return mrDoDefault;
3862 }
3863
3864 MsgRouting AwtComponent::WmImeStartComposition()
3865 {
3866 if (m_useNativeCompWindow) {
3867 RECT rc;
3868 ::GetClientRect(GetHWnd(), &rc);
3869 SetCompositionWindow(rc);
3870 return mrDoDefault;
3871 } else
3872 return mrConsume;
3873 }
3874
3875 MsgRouting AwtComponent::WmImeEndComposition()
3876 {
3877 if (m_useNativeCompWindow) return mrDoDefault;
3878
3879 SendInputMethodEvent(
3880 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3881 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3882 return mrConsume;
3883 }
3884
3885 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3886 {
3887 if (m_useNativeCompWindow) return mrDoDefault;
3888
3889 int* bndClauseW = NULL;
3890 jstring* readingClauseW = NULL;
3891 int* bndAttrW = NULL;
3892 BYTE* valAttrW = NULL;
3893 int cClauseW = 0;
3894 AwtInputTextInfor* textInfor = NULL;
3895
3896 try {
3897 HWND hwnd = ImmGetHWnd();
3898 HIMC hIMC = ImmGetContext(hwnd);
3899 DASSERT(hIMC!=0);
3900
3901 textInfor = new AwtInputTextInfor;
3902 textInfor->GetContextData(hIMC, flags);
3903 ImmReleaseContext(hwnd, hIMC);
3904
3905 jstring jtextString = textInfor->GetText();
3906 /* The conditions to send the input method event to AWT EDT are:
3907 1. Whenever there is a composition message sent regarding whether
3908 the composition text is NULL or not. See details at bug 6222692.
3909 2. When there is a committed message sent, in which case, we have to
3910 check whether the committed string is NULL or not. If the committed string
3911 is NULL, there is no need to send any input method event.
3912 (Minor note: 'jtextString' returned is the merged string in the case of
3913 partial commit.)
3914 */
3915 if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
3916 (flags & GCS_COMPSTR)) {
3917 int cursorPosW = textInfor->GetCursorPosition();
3918 // In order not to delete the readingClauseW in the catch clause,
3919 // calling GetAttributeInfor before GetClauseInfor.
3920 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
3921 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
3922
3923 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
3924 the event to AWT EDT.
3925
3926 The last two paremeters are set to equal since we don't have recommendations for
3927 the visible position within the current composed text. See details at
3928 java.awt.event.InputMethodEvent.
3929 */
3930 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3931 jtextString,
3932 cClauseW, bndClauseW, readingClauseW,
3933 cAttrW, bndAttrW, valAttrW,
3934 textInfor->GetCommittedTextLength(),
3935 cursorPosW, cursorPosW);
3936 }
3937 } catch (...) {
3938 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
3939 // the pointer here.
3940 delete [] bndClauseW;
3941 delete [] readingClauseW;
3942 delete [] bndAttrW;
3943 delete [] valAttrW;
3944 throw;
3945 }
3946
3947 /* Free the storage allocated. Since jtextString won't be passed from threads
3948 * to threads, we just use the local ref and it will be deleted within the destructor
3949 * of AwtInputTextInfor object.
3950 */
3951 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3952 if (cClauseW && readingClauseW) {
3953 for (int i = 0; i < cClauseW; i ++) {
3954 if (readingClauseW[i]) {
3955 env->DeleteLocalRef(readingClauseW[i]);
3956 }
3957 }
3958 }
3959 delete [] bndClauseW;
3960 delete [] readingClauseW;
3961 delete [] bndAttrW;
3962 delete [] valAttrW;
3963 delete textInfor;
3964
3965 return mrConsume;
3966 }
3967
3968 //
3969 // generate and post InputMethodEvent
3970 //
3971 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
3972 int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
3973 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
3974 int commitedTextLength, int caretPos, int visiblePos)
3975 {
3976 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3977
3978 // assumption for array type casting
3979 DASSERT(sizeof(int)==sizeof(jint));
3980 DASSERT(sizeof(BYTE)==sizeof(jbyte));
3981
3982 // caluse information
3983 jintArray clauseBoundary = NULL;
3984 jobjectArray clauseReading = NULL;
3985 if (cClause && rgClauseBoundary && rgClauseReading) {
3986 // convert clause boundary offset array to java array
3987 clauseBoundary = env->NewIntArray(cClause+1);
3988 DASSERT(clauseBoundary);
3989 CHECK_NULL(clauseBoundary);
3990 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
3991 DASSERT(!safe_ExceptionOccurred(env));
3992
3993 // convert clause reading string array to java array
3994 jclass stringCls = JNU_ClassString(env);
3995 DASSERT(stringCls);
3996 CHECK_NULL(stringCls);
3997 clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
3998 DASSERT(clauseReading);
3999 CHECK_NULL(clauseReading);
4000 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
4001 DASSERT(!safe_ExceptionOccurred(env));
4002 }
4003
4004
4005 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
4006 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
4007 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
4008 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
4009 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
4010 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
4011
4012 // attribute information
4013 jintArray attrBoundary = NULL;
4014 jbyteArray attrValue = NULL;
4015 if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
4016 // convert attribute boundary offset array to java array
4017 attrBoundary = env->NewIntArray(cAttrBlock+1);
4018 DASSERT(attrBoundary);
4019 CHECK_NULL(attrBoundary);
4020 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
4021 DASSERT(!safe_ExceptionOccurred(env));
4022
4023 // convert attribute value byte array to java array
4024 attrValue = env->NewByteArray(cAttrBlock);
4025 DASSERT(attrValue);
4026 CHECK_NULL(attrValue);
4027 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
4028 DASSERT(!safe_ExceptionOccurred(env));
4029 }
4030
4031
4032 // get global reference of WInputMethod class (run only once)
4033 static jclass wInputMethodCls = NULL;
4034 if (wInputMethodCls == NULL) {
4035 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4036 DASSERT(wInputMethodClsLocal);
4037 CHECK_NULL(wInputMethodClsLocal);
4038 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4039 env->DeleteLocalRef(wInputMethodClsLocal);
4040 }
4041
4042 // get method ID of sendInputMethodEvent() (run only once)
4043 static jmethodID sendIMEventMid = 0;
4044 if (sendIMEventMid == 0) {
4045 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
4046 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
4047 DASSERT(sendIMEventMid);
4048 CHECK_NULL(sendIMEventMid);
4049 }
4050
4051 // call m_InputMethod.sendInputMethod()
4052 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0),
4053 text, clauseBoundary, clauseReading, attrBoundary,
4054 attrValue, commitedTextLength, caretPos, visiblePos);
4055 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4056 DASSERT(!safe_ExceptionOccurred(env));
4057
4058 }
4059
4060
4061
4062 //
4063 // Inquires candidate position according to the composed text
4064 //
4065 void AwtComponent::InquireCandidatePosition()
4066 {
4067 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4068
4069 // get global reference of WInputMethod class (run only once)
4070 static jclass wInputMethodCls = NULL;
4071 if (wInputMethodCls == NULL) {
4072 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4073 DASSERT(wInputMethodClsLocal);
4074 CHECK_NULL(wInputMethodClsLocal);
4075 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4076 env->DeleteLocalRef(wInputMethodClsLocal);
4077 }
4078
4079 // get method ID of sendInputMethodEvent() (run only once)
4080 static jmethodID inqCandPosMid = 0;
4081 if (inqCandPosMid == 0) {
4082 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4083 DASSERT(!safe_ExceptionOccurred(env));
4084 DASSERT(inqCandPosMid);
4085 CHECK_NULL(inqCandPosMid);
4086 }
4087
4088 // call m_InputMethod.sendInputMethod()
4089 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4090 DASSERT(!safe_ExceptionOccurred(env));
4091 }
4092
4093 HWND AwtComponent::ImmGetHWnd()
4094 {
4095 HWND proxy = GetProxyFocusOwner();
4096 return (proxy != NULL) ? proxy : GetHWnd();
4097 }
4098
4099 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4100 {
4101 return ::ImmAssociateContext(ImmGetHWnd(), himc);
4102 }
4103
4104 HWND AwtComponent::GetProxyFocusOwner()
4105 {
4106 AwtWindow *window = GetContainer();
4107 if (window != 0) {
4108 AwtFrame *owner = window->GetOwningFrameOrDialog();
4109 if (owner != 0) {
4110 return owner->GetProxyFocusOwner();
4111 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4112 return ((AwtFrame*)window)->GetProxyFocusOwner();
4113 }
4114 }
4115 return (HWND)NULL;
4116 }
4117
4118 /* Redirects message to the focus proxy, if any */
4119 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4120 LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4121 {
4122 if (mr != mrConsume) {
4123 HWND proxy = GetProxyFocusOwner();
4124 if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4125 retVal = ::DefWindowProc(proxy, message, wParam, lParam);
4126 mr = mrConsume;
4127 }
4128 }
4129 }
4130
4131 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4132 {
4133 /* Menu/Accelerator */
4134 if (hWndChild == 0) {
4135 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4136 if (obj == NULL) {
4137 return mrConsume;
4138 }
4139 DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4140 obj->DoCommand();
4141 return mrConsume;
4142 }
4143 /* Child id notification */
4144 else {
4145 AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4146 if (child) {
4147 child->WmNotify(notifyCode);
4148 }
4149 }
4150 return mrDoDefault;
4151 }
4152
4153 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4154 {
4155 return mrDoDefault;
4156 }
4157
4158 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4159 COMPAREITEMSTRUCT &compareInfo,
4160 LRESULT &result)
4161 {
4162 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4163 if (child == this) {
4164 /* DoCallback("handleItemDelete", */
4165 }
4166 else if (child) {
4167 return child->WmCompareItem(ctrlId, compareInfo, result);
4168 }
4169 return mrConsume;
4170 }
4171
4172 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4173 DELETEITEMSTRUCT &deleteInfo)
4174 {
4175 /*
4176 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4177 * window, a WM_DELETEITEM message is sent to its parent with a window
4178 * handle of one of the list's child windows. The property lookup
4179 * succeeds, but the HWNDs don't match.
4180 */
4181 if (deleteInfo.hwndItem == NULL) {
4182 return mrConsume;
4183 }
4184 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4185
4186 if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4187 return mrConsume;
4188 }
4189
4190 if (child == this) {
4191 /*DoCallback("handleItemDelete", */
4192 }
4193 else if (child) {
4194 return child->WmDeleteItem(ctrlId, deleteInfo);
4195 }
4196 return mrConsume;
4197 }
4198
4199 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4200 {
4201 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4202
4203 if (drawInfo.CtlType == ODT_MENU) {
4204 if (drawInfo.itemData != 0) {
4205 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4206 menu->DrawItem(drawInfo);
4207 }
4208 } else {
4209 return OwnerDrawItem(ctrlId, drawInfo);
4210 }
4211 return mrConsume;
4212 }
4213
4214 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4215 MEASUREITEMSTRUCT &measureInfo)
4216 {
4217 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4218
4219 if (measureInfo.CtlType == ODT_MENU) {
4220 if (measureInfo.itemData != 0) {
4221 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4222 HDC hDC = ::GetDC(GetHWnd());
4223 /* menu->MeasureItem(env, hDC, measureInfo); */
4224 menu->MeasureItem(hDC, measureInfo);
4225 ::ReleaseDC(GetHWnd(), hDC);
4226 }
4227 } else {
4228 return OwnerMeasureItem(ctrlId, measureInfo);
4229 }
4230 return mrConsume;
4231 }
4232
4233 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4234 DRAWITEMSTRUCT &drawInfo)
4235 {
4236 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4237 if (child == this) {
4238 /* DoCallback("handleItemDelete", */
4239 } else if (child != NULL) {
4240 return child->WmDrawItem(ctrlId, drawInfo);
4241 }
4242 return mrConsume;
4243 }
4244
4245 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4246 MEASUREITEMSTRUCT &measureInfo)
4247 {
4248 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4249 AwtComponent* child = AwtComponent::GetComponent(hChild);
4250 /*
4251 * If the parent cannot find the child's instance from its handle,
4252 * maybe the child is in its creation. So the child must be searched
4253 * from the list linked before the child's creation.
4254 */
4255 if (child == NULL) {
4256 child = SearchChild((UINT)ctrlId);
4257 }
4258
4259 if (child == this) {
4260 /* DoCallback("handleItemDelete", */
4261 }
4262 else if (child) {
4263 return child->WmMeasureItem(ctrlId, measureInfo);
4264 }
4265 return mrConsume;
4266 }
4267
4268 /* for WmDrawItem method of Label, Button and Checkbox */
4269 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4270 int x, int y)
4271 {
4272 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4273 DASSERT(nOldBkMode != 0);
4274 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4275 VERIFY(::SetBkMode(hDC,nOldBkMode));
4276 }
4277
4278 /*
4279 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4280 * component is disabled. Used only for label, checkbox and button in
4281 * OWNER_DRAW. It draws the text in emboss.
4282 */
4283 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4284 int x, int y)
4285 {
4286 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4287 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4288 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4289 AwtComponent::DrawWindowText(hDC, font, text, x, y);
4290 }
4291
4292 /* for WmMeasureItem method of List and Choice */
4293 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4294 {
4295 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4296 "(I)Ljava/lang/String;",
4297 index).l;
4298 DASSERT(!safe_ExceptionOccurred(env));
4299 return str;
4300 }
4301
4302 /* for WmMeasureItem method of List and Choice */
4303 void AwtComponent::MeasureListItem(JNIEnv *env,
4304 MEASUREITEMSTRUCT &measureInfo)
4305 {
4306 if (env->EnsureLocalCapacity(1) < 0) {
4307 return;
4308 }
4309 jobject dimension = PreferredItemSize(env);
4310 DASSERT(dimension);
4311 measureInfo.itemWidth =
4312 env->GetIntField(dimension, AwtDimension::widthID);
4313 measureInfo.itemHeight =
4314 env->GetIntField(dimension, AwtDimension::heightID);
4315 env->DeleteLocalRef(dimension);
4316 }
4317
4318 /* for WmDrawItem method of List and Choice */
4319 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4320 {
4321 if (env->EnsureLocalCapacity(3) < 0) {
4322 return;
4323 }
4324 jobject peer = GetPeer(env);
4325 jobject target = env->GetObjectField(peer, AwtObject::targetID);
4326
4327 HDC hDC = drawInfo.hDC;
4328 RECT rect = drawInfo.rcItem;
4329
4330 BOOL bEnabled = isEnabled();
4331 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4332 DWORD crBack, crText;
4333 if (drawInfo.itemState & ODS_SELECTED){
4334 /* Set background and text colors for selected item */
4335 crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4336 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4337 } else {
4338 /* Set background and text colors for unselected item */
4339 crBack = GetBackgroundColor();
4340 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4341 }
4342 if (unfocusableChoice) {
4343 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4344 crBack = GetBackgroundColor();
4345 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4346 }
4347
4348 /* Fill item rectangle with background color */
4349 HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4350 DASSERT(hbrBack);
4351 /* 6190728. Shouldn't draw any kind of rectangle around selection field
4352 * (edit control) of an owner-drawn combo box while unfocusable
4353 */
4354 if (!unfocusableChoice){
4355 VERIFY(::FillRect (hDC, &rect, hbrBack));
4356 }
4357 VERIFY(::DeleteObject (hbrBack));
4358
4359 /* Set current background and text colors */
4360 ::SetBkColor (hDC, crBack);
4361 ::SetTextColor (hDC, crText);
4362
4363 /*draw string (with left margin of 1 point) */
4364 if ((int) (drawInfo.itemID) >= 0) {
4365 jobject font = GET_FONT(target, peer);
4366 jstring text = GetItemString(env, target, drawInfo.itemID);
4367 if (env->ExceptionCheck()) {
4368 env->DeleteLocalRef(font);
4369 env->DeleteLocalRef(target);
4370 return;
4371 }
4372 SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4373 AwtFont::drawMFString(hDC, font, text,
4374 (GetRTL()) ? rect.right - size.cx - 1
4375 : rect.left + 1,
4376 (rect.top + rect.bottom - size.cy) / 2,
4377 GetCodePage());
4378 env->DeleteLocalRef(font);
4379 env->DeleteLocalRef(text);
4380 }
4381 if ((drawInfo.itemState & ODS_FOCUS) &&
4382 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4383 if (!unfocusableChoice){
4384 if(::DrawFocusRect(hDC, &rect) == 0)
4385 VERIFY(::GetLastError() == 0);
4386 }
4387 }
4388 env->DeleteLocalRef(target);
4389 }
4390
4391 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4392 jint AwtComponent::GetFontHeight(JNIEnv *env)
4393 {
4394 if (env->EnsureLocalCapacity(4) < 0) {
4395 return NULL;
4396 }
4397 jobject self = GetPeer(env);
4398 jobject target = env->GetObjectField(self, AwtObject::targetID);
4399
4400 jobject font = GET_FONT(target, self);
4401 jobject toolkit = env->CallObjectMethod(target,
4402 AwtComponent::getToolkitMID);
4403
4404 DASSERT(!safe_ExceptionOccurred(env));
4405
4406 jobject fontMetrics =
4407 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4408
4409 DASSERT(!safe_ExceptionOccurred(env));
4410
4411 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4412 DASSERT(!safe_ExceptionOccurred(env));
4413
4414 env->DeleteLocalRef(target);
4415 env->DeleteLocalRef(font);
4416 env->DeleteLocalRef(toolkit);
4417 env->DeleteLocalRef(fontMetrics);
4418
4419 return height;
4420 }
4421
4422 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4423 // stack to be restored in WmPrintClient. Windows mangles the DC in
4424 // ::DefWindowProc.
4425 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4426 {
4427 /*
4428 * DefWindowProc for WM_PRINT changes DC parameters, so we have
4429 * to restore it ourselves. Otherwise it will cause problems
4430 * when several components are printed to the same DC.
4431 */
4432 int nOriginalDC = ::SaveDC(hDC);
4433 DASSERT(nOriginalDC != 0);
4434
4435 if (flags & PRF_NONCLIENT) {
4436
4437 VERIFY(::SaveDC(hDC));
4438
4439 DefWindowProc(WM_PRINT, (WPARAM)hDC,
4440 (flags & (PRF_NONCLIENT
4441 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4442
4443 VERIFY(::RestoreDC(hDC, -1));
4444
4445 // Special case for components with a sunken border. Windows does not
4446 // print the border correctly on PCL printers, so we have to do it ourselves.
4447 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4448 RECT r;
4449 VERIFY(::GetWindowRect(GetHWnd(), &r));
4450 VERIFY(::OffsetRect(&r, -r.left, -r.top));
4451 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4452 }
4453 }
4454
4455 if (flags & PRF_CLIENT) {
4456
4457 /*
4458 * Special case for components with a sunken border.
4459 * Windows prints a client area without offset to a border width.
4460 * We will first print the non-client area with the original offset,
4461 * then the client area with a corrected offset.
4462 */
4463 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4464
4465 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4466 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4467
4468 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4469
4470 // Save a copy of the DC for WmPrintClient
4471 VERIFY(::SaveDC(hDC));
4472
4473 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4474 (flags & (PRF_CLIENT
4475 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4476
4477 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4478
4479 } else {
4480
4481 // Save a copy of the DC for WmPrintClient
4482 VERIFY(::SaveDC(hDC));
4483 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4484 (flags & (PRF_CLIENT
4485 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4486 }
4487 }
4488
4489 if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4490 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4491 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4492 }
4493
4494 VERIFY(::RestoreDC(hDC, nOriginalDC));
4495
4496 return mrConsume;
4497 }
4498
4499 // If you override WmPrintClient, make sure to obtain a valid copy of
4500 // the DC from the GDI stack. The copy of the DC should have been placed
4501 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4502 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4503 {
4504 // obtain valid DC from GDI stack
4505 ::RestoreDC(hDC, -1);
4506
4507 return mrDoDefault;
4508 }
4509
4510 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4511 LPNCCALCSIZE_PARAMS lpncsp,
4512 LRESULT &retVal)
4513 {
4514 return mrDoDefault;
4515 }
4516
4517 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4518 {
4519 return mrDoDefault;
4520 }
4521
4522 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4523 {
4524 return mrDoDefault;
4525 }
4526
4527 /**
4528 * WmQueryNewPalette is called whenever our component is coming to
4529 * the foreground; this gives us an opportunity to install our
4530 * custom palette. If this install actually changes entries in
4531 * the system palette, then we get a further call to WmPaletteChanged
4532 * (but note that we only need to realize our palette once).
4533 */
4534 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4535 {
4536 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4537 m_QueryNewPaletteCalled = TRUE;
4538 HDC hDC = ::GetDC(GetHWnd());
4539 DASSERT(hDC);
4540 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4541 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4542 ::ReleaseDC(GetHWnd(), hDC);
4543 // We must realize the palettes of all of our DC's
4544 // There is sometimes a problem where the realization of
4545 // our temporary hDC here does not actually do what
4546 // we want. Not clear why, but presumably fallout from
4547 // our use of several simultaneous hDC's.
4548 activeDCList.RealizePalettes(screen);
4549 // Do not invalidate here; if the palette
4550 // has not changed we will get an extra repaint
4551 retVal = TRUE;
4552
4553 return mrDoDefault;
4554 }
4555
4556 /**
4557 * We should not need to track this event since we handle our
4558 * palette management effectively in the WmQueryNewPalette and
4559 * WmPaletteChanged methods. However, there seems to be a bug
4560 * on some win32 systems (e.g., NT4) whereby the palette
4561 * immediately after a displayChange is not yet updated to its
4562 * final post-display-change values (hence we adjust our palette
4563 * using the wrong system palette entries), then the palette is
4564 * updated, but a WM_PALETTECHANGED message is never sent.
4565 * By tracking the ISCHANGING message as well (and by tracking
4566 * displayChange events in the AwtToolkit object), we can account
4567 * for this error by forcing our WmPaletteChanged method to be
4568 * called and thereby realizing our logical palette and updating
4569 * our dynamic colorModel object.
4570 */
4571 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4572 {
4573 if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4574 WmPaletteChanged(hwndPalChg);
4575 AwtToolkit::GetInstance().ResetDisplayChanged();
4576 }
4577 return mrDoDefault;
4578 }
4579
4580 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4581 {
4582 // We need to re-realize our palette here (unless we're the one
4583 // that was realizing it in the first place). That will let us match the
4584 // remaining colors in the system palette as best we can. We always
4585 // invalidate because the palette will have changed when we receive this
4586 // message.
4587
4588 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4589 if (hwndPalChg != GetHWnd()) {
4590 HDC hDC = ::GetDC(GetHWnd());
4591 DASSERT(hDC);
4592 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4593 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4594 ::ReleaseDC(GetHWnd(), hDC);
4595 // We must realize the palettes of all of our DC's
4596 activeDCList.RealizePalettes(screen);
4597 }
4598 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4599 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4600 }
4601 Invalidate(NULL);
4602 return mrDoDefault;
4603 }
4604
4605 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4606 {
4607 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4608 return mrDoDefault;
4609 }
4610
4611 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4612 {
4613 DASSERT(!IsBadStringPtr(pszSection, 20));
4614 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4615 return mrDoDefault;
4616 }
4617
4618 HDC AwtComponent::GetDCFromComponent()
4619 {
4620 GetDCReturnStruct *hdcStruct =
4621 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4622 HDC hdc;
4623 if (hdcStruct) {
4624 if (hdcStruct->gdiLimitReached) {
4625 if (jvm != NULL) {
4626 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4627 if (env != NULL && !safe_ExceptionOccurred(env)) {
4628 JNU_ThrowByName(env, "java/awt/AWTError",
4629 "HDC creation failure - " \
4630 "exceeded maximum GDI resources");
4631 }
4632 }
4633 }
4634 hdc = hdcStruct->hDC;
4635 delete hdcStruct;
4636 } else {
4637 hdc = NULL;
4638 }
4639 return hdc;
4640 }
4641
4642 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4643 {
4644 RECT eraseR = { 0, 0, size.cx, size.cy };
4645 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4646 }
4647
4648 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4649 {
4650 if (!bitmapBits) {
4651 return;
4652 }
4653
4654 DWORD* dest = (DWORD*)bitmapBits;
4655 //XXX: might be optimized to use one loop (cy*cx -> 0)
4656 for (int i = 0; i < size.cy; i++ ) {
4657 for (int j = 0; j < size.cx; j++ ) {
4658 ((BYTE*)(dest++))[3] = alpha;
4659 }
4660 }
4661 }
4662
4663 int AwtComponent::ScaleUpX(int x) {
4664 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4665 Devices::InstanceAccess devices;
4666 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4667 return device == NULL ? x : device->ScaleUpX(x);
4668 }
4669
4670 int AwtComponent::ScaleUpY(int y) {
4671 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4672 Devices::InstanceAccess devices;
4673 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4674 return device == NULL ? y : device->ScaleUpY(y);
4675 }
4676
4677 int AwtComponent::ScaleDownX(int x) {
4678 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4679 Devices::InstanceAccess devices;
4680 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4681 return device == NULL ? x : device->ScaleDownX(x);
4682 }
4683
4684 int AwtComponent::ScaleDownY(int y) {
4685 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4686 Devices::InstanceAccess devices;
4687 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4688 return device == NULL ? y : device->ScaleDownY(y);
4689 }
4690
4691 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4692 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4693
4694 if (!::IsWindowVisible(GetHWnd())) {
4695 return NULL;
4696 }
4697
4698 HDC hdc = GetDCFromComponent();
4699 if (!hdc) {
4700 return NULL;
4701 }
4702 HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4703 void *bitmapBits = NULL;
4704 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4705 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4706 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4707
4708 FillBackground(hMemoryDC, size);
4709
4710 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4711
4712 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4713 // above.
4714 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4715
4716 // First make sure the system completed any drawing to the bitmap.
4717 ::GdiFlush();
4718
4719 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4720 // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4721 // the pixels will be considered transparent when interpreting the data.
4722 FillAlpha(bitmapBits, size, alpha);
4723
4724 ::SelectObject(hMemoryDC, hOldBitmap);
4725
4726 BITMAPINFO bmi;
4727 memset(&bmi, 0, sizeof(BITMAPINFO));
4728 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4729 bmi.bmiHeader.biWidth = size.cx;
4730 bmi.bmiHeader.biHeight = -size.cy;
4731 bmi.bmiHeader.biPlanes = 1;
4732 bmi.bmiHeader.biBitCount = 32;
4733 bmi.bmiHeader.biCompression = BI_RGB;
4734
4735 jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4736 jintArray pixelArray = NULL;
4737 if (localPixelArray != NULL) {
4738 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4739 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4740
4741 jboolean isCopy;
4742 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4743
4744 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4745 DIB_RGB_COLORS);
4746
4747 env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4748 }
4749
4750 VERIFY(::DeleteObject(hBitmap));
4751 VERIFY(::DeleteDC(hMemoryDC));
4752
4753 return pixelArray;
4754 }
4755
4756 void* AwtComponent::SetNativeFocusOwner(void *self) {
4757 if (self == NULL) {
4758 // It means that the KFM wants to set focus to null
4759 sm_focusOwner = NULL;
4760 return NULL;
4761 }
4762
4763 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4764
4765 AwtComponent *c = NULL;
4766 jobject peer = (jobject)self;
4767
4768 PDATA pData;
4769 JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4770 pData = JNI_GET_PDATA(peer);
4771 if (pData == NULL) {
4772 goto ret;
4773 }
4774 c = (AwtComponent *)pData;
4775
4776 ret:
4777 if (c && ::IsWindow(c->GetHWnd())) {
4778 sm_focusOwner = c->GetHWnd();
4779 } else {
4780 sm_focusOwner = NULL;
4781 }
4782 env->DeleteGlobalRef(peer);
4783 return NULL;
4784 }
4785
4786 void* AwtComponent::GetNativeFocusedWindow() {
4787 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4788 AwtComponent *comp =
4789 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4790 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4791 }
4792
4793 void* AwtComponent::GetNativeFocusOwner() {
4794 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4795 AwtComponent *comp =
4796 AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4797 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4798 }
4799
4800 AwtComponent* AwtComponent::SearchChild(UINT id) {
4801 ChildListItem* child;
4802 for (child = m_childList; child != NULL;child = child->m_next) {
4803 if (child->m_ID == id)
4804 return child->m_Component;
4805 }
4806 /*
4807 * DASSERT(FALSE);
4808 * This should not be happend if all children are recorded
4809 */
4810 return NULL; /* make compiler happy */
4811 }
4812
4813 void AwtComponent::RemoveChild(UINT id) {
4814 ChildListItem* child = m_childList;
4815 ChildListItem* lastChild = NULL;
4816 while (child != NULL) {
4817 if (child->m_ID == id) {
4818 if (lastChild == NULL) {
4819 m_childList = child->m_next;
4820 } else {
4821 lastChild->m_next = child->m_next;
4822 }
4823 child->m_next = NULL;
4824 DASSERT(child != NULL);
4825 delete child;
4826 return;
4827 }
4828 lastChild = child;
4829 child = child->m_next;
4830 }
4831 }
4832
4833 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4834 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4835 {
4836 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4837 CriticalSection::Lock l(GetLock());
4838 if (GetPeer(env) == NULL) {
4839 /* event received during termination. */
4840 return;
4841 }
4842
4843 static jclass keyEventCls;
4844 if (keyEventCls == NULL) {
4845 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4846 DASSERT(keyEventClsLocal);
4847 if (keyEventClsLocal == NULL) {
4848 /* exception already thrown */
4849 return;
4850 }
4851 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4852 env->DeleteLocalRef(keyEventClsLocal);
4853 }
4854
4855 static jmethodID keyEventConst;
4856 if (keyEventConst == NULL) {
4857 keyEventConst = env->GetMethodID(keyEventCls, "<init>",
4858 "(Ljava/awt/Component;IJIICI)V");
4859 DASSERT(keyEventConst);
4860 CHECK_NULL(keyEventConst);
4861 }
4862 if (env->EnsureLocalCapacity(2) < 0) {
4863 return;
4864 }
4865 jobject target = GetTarget(env);
4866 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4867 id, when, modifiers, raw, cooked,
4868 keyLocation);
4869 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4870 DASSERT(!safe_ExceptionOccurred(env));
4871 DASSERT(keyEvent != NULL);
4872 if (keyEvent == NULL) {
4873 env->DeleteLocalRef(target);
4874 return;
4875 }
4876 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4877 if( nativeCode && nativeCode < 256 ) {
4878 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4879 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4880 if( nativeCode < 255 ) {
4881 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4882 }else if( pMsg != NULL ) {
4883 // unknown key with virtual keycode 0xFF.
4884 // Its scancode is not in the table, pickup it from the message.
4885 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4886 }
4887 }
4888 if (pMsg != NULL) {
4889 AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
4890 }
4891 SendEvent(keyEvent);
4892
4893 env->DeleteLocalRef(keyEvent);
4894 env->DeleteLocalRef(target);
4895 }
4896
4897 void
4898 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
4899 jint raw, jint cooked,
4900 jint modifiers, jint keyLocation,
4901 jlong nativeCode,
4902 MSG *msg)
4903 {
4904 /*
4905 * if focus owner is null, but focused window isn't
4906 * we will send key event to focused window
4907 */
4908 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
4909
4910 if (hwndTarget == GetHWnd()) {
4911 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
4912 } else {
4913 AwtComponent *target = NULL;
4914 if (hwndTarget != NULL) {
4915 target = AwtComponent::GetComponent(hwndTarget);
4916 if (target == NULL) {
4917 target = this;
4918 }
4919 }
4920 if (target != NULL) {
4921 target->SendKeyEvent(id, when, raw, cooked, modifiers,
4922 keyLocation, nativeCode, msg);
4923 }
4924 }
4925 }
4926
4927 void AwtComponent::SetDragCapture(UINT flags)
4928 {
4929 // don't want to interfere with other controls
4930 if (::GetCapture() == NULL) {
4931 ::SetCapture(GetHWnd());
4932 }
4933 }
4934
4935 void AwtComponent::ReleaseDragCapture(UINT flags)
4936 {
4937 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
4938 // user has released all buttons, so release the capture
4939 ::ReleaseCapture();
4940 }
4941 }
4942
4943 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
4944 jint modifiers, jint clickCount,
4945 jboolean popupTrigger, jint button,
4946 MSG *pMsg)
4947 {
4948 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4949 CriticalSection::Lock l(GetLock());
4950 if (GetPeer(env) == NULL) {
4951 /* event received during termination. */
4952 return;
4953 }
4954
4955 static jclass mouseEventCls;
4956 if (mouseEventCls == NULL) {
4957 jclass mouseEventClsLocal =
4958 env->FindClass("java/awt/event/MouseEvent");
4959 CHECK_NULL(mouseEventClsLocal);
4960 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
4961 env->DeleteLocalRef(mouseEventClsLocal);
4962 }
4963 RECT insets;
4964 GetInsets(&insets);
4965
4966 static jmethodID mouseEventConst;
4967 if (mouseEventConst == NULL) {
4968 mouseEventConst =
4969 env->GetMethodID(mouseEventCls, "<init>",
4970 "(Ljava/awt/Component;IJIIIIIIZI)V");
4971 DASSERT(mouseEventConst);
4972 CHECK_NULL(mouseEventConst);
4973 }
4974 if (env->EnsureLocalCapacity(2) < 0) {
4975 return;
4976 }
4977 jobject target = GetTarget(env);
4978 DWORD curMousePos = ::GetMessagePos();
4979 int xAbs = GET_X_LPARAM(curMousePos);
4980 int yAbs = GET_Y_LPARAM(curMousePos);
4981 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
4982 target,
4983 id, when, modifiers,
4984 ScaleDownX(x + insets.left),
4985 ScaleDownY(y + insets.top),
4986 ScaleDownX(xAbs), ScaleDownY(yAbs),
4987 clickCount, popupTrigger, button);
4988
4989 if (safe_ExceptionOccurred(env)) {
4990 env->ExceptionDescribe();
4991 env->ExceptionClear();
4992 }
4993
4994 DASSERT(mouseEvent != NULL);
4995 CHECK_NULL(mouseEvent);
4996 if (pMsg != 0) {
4997 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
4998 }
4999 SendEvent(mouseEvent);
5000
5001 env->DeleteLocalRef(mouseEvent);
5002 env->DeleteLocalRef(target);
5003 }
5004
5005 void
5006 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
5007 jint modifiers, jint clickCount,
5008 jboolean popupTrigger, jint scrollType,
5009 jint scrollAmount, jint roundedWheelRotation,
5010 jdouble preciseWheelRotation, MSG *pMsg)
5011 {
5012 /* Code based not so loosely on AwtComponent::SendMouseEvent */
5013 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5014 CriticalSection::Lock l(GetLock());
5015 if (GetPeer(env) == NULL) {
5016 /* event received during termination. */
5017 return;
5018 }
5019
5020 static jclass mouseWheelEventCls;
5021 if (mouseWheelEventCls == NULL) {
5022 jclass mouseWheelEventClsLocal =
5023 env->FindClass("java/awt/event/MouseWheelEvent");
5024 CHECK_NULL(mouseWheelEventClsLocal);
5025 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
5026 env->DeleteLocalRef(mouseWheelEventClsLocal);
5027 }
5028 RECT insets;
5029 GetInsets(&insets);
5030
5031 static jmethodID mouseWheelEventConst;
5032 if (mouseWheelEventConst == NULL) {
5033 mouseWheelEventConst =
5034 env->GetMethodID(mouseWheelEventCls, "<init>",
5035 "(Ljava/awt/Component;IJIIIIIIZIIID)V");
5036 DASSERT(mouseWheelEventConst);
5037 CHECK_NULL(mouseWheelEventConst);
5038 }
5039 if (env->EnsureLocalCapacity(2) < 0) {
5040 return;
5041 }
5042 jobject target = GetTarget(env);
5043 DWORD curMousePos = ::GetMessagePos();
5044 int xAbs = GET_X_LPARAM(curMousePos);
5045 int yAbs = GET_Y_LPARAM(curMousePos);
5046
5047 DTRACE_PRINTLN("creating MWE in JNI");
5048
5049 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
5050 mouseWheelEventConst,
5051 target,
5052 id, when, modifiers,
5053 ScaleDownX(x + insets.left),
5054 ScaleDownY(y + insets.top),
5055 ScaleDownX(xAbs),
5056 ScaleDownY(yAbs),
5057 clickCount, popupTrigger,
5058 scrollType, scrollAmount,
5059 roundedWheelRotation, preciseWheelRotation);
5060
5061 DASSERT(mouseWheelEvent != NULL);
5062 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
5063 env->ExceptionDescribe();
5064 env->ExceptionClear();
5065 env->DeleteLocalRef(target);
5066 return;
5067 }
5068 if (pMsg != NULL) {
5069 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
5070 }
5071 SendEvent(mouseWheelEvent);
5072
5073 env->DeleteLocalRef(mouseWheelEvent);
5074 env->DeleteLocalRef(target);
5075 }
5076
5077 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
5078 {
5079 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5080
5081 CriticalSection::Lock l(GetLock());
5082 if (GetPeer(env) == NULL) {
5083 /* event received during termination. */
5084 return;
5085 }
5086
5087 static jclass focusEventCls;
5088 if (focusEventCls == NULL) {
5089 jclass focusEventClsLocal
5090 = env->FindClass("java/awt/event/FocusEvent");
5091 DASSERT(focusEventClsLocal);
5092 CHECK_NULL(focusEventClsLocal);
5093 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5094 env->DeleteLocalRef(focusEventClsLocal);
5095 }
5096
5097 static jmethodID focusEventConst;
5098 if (focusEventConst == NULL) {
5099 focusEventConst =
5100 env->GetMethodID(focusEventCls, "<init>",
5101 "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5102 DASSERT(focusEventConst);
5103 CHECK_NULL(focusEventConst);
5104 }
5105
5106 static jclass sequencedEventCls;
5107 if (sequencedEventCls == NULL) {
5108 jclass sequencedEventClsLocal =
5109 env->FindClass("java/awt/SequencedEvent");
5110 DASSERT(sequencedEventClsLocal);
5111 CHECK_NULL(sequencedEventClsLocal);
5112 sequencedEventCls =
5113 (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5114 env->DeleteLocalRef(sequencedEventClsLocal);
5115 }
5116
5117 static jmethodID sequencedEventConst;
5118 if (sequencedEventConst == NULL) {
5119 sequencedEventConst =
5120 env->GetMethodID(sequencedEventCls, "<init>",
5121 "(Ljava/awt/AWTEvent;)V");
5122 DASSERT(sequencedEventConst);
5123 CHECK_NULL(sequencedEventConst);
5124 }
5125
5126 if (env->EnsureLocalCapacity(3) < 0) {
5127 return;
5128 }
5129
5130 jobject target = GetTarget(env);
5131 jobject jOpposite = NULL;
5132 if (opposite != NULL) {
5133 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5134 if (awtOpposite != NULL) {
5135 jOpposite = awtOpposite->GetTarget(env);
5136 }
5137 }
5138 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5139 target, id, JNI_FALSE, jOpposite);
5140 DASSERT(!safe_ExceptionOccurred(env));
5141 DASSERT(focusEvent != NULL);
5142 if (jOpposite != NULL) {
5143 env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5144 }
5145 env->DeleteLocalRef(target); target = NULL;
5146 CHECK_NULL(focusEvent);
5147
5148 jobject sequencedEvent = env->NewObject(sequencedEventCls,
5149 sequencedEventConst,
5150 focusEvent);
5151 DASSERT(!safe_ExceptionOccurred(env));
5152 DASSERT(sequencedEvent != NULL);
5153 env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5154 CHECK_NULL(sequencedEvent);
5155 SendEvent(sequencedEvent);
5156
5157 env->DeleteLocalRef(sequencedEvent);
5158 }
5159
5160 /*
5161 * Forward a filtered event directly to the subclassed window.
5162 * This method is needed so that DefWindowProc is invoked on the
5163 * component's owning thread.
5164 */
5165 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5166 {
5167 DefWindowProc(msg->message, msg->wParam, msg->lParam);
5168 delete msg;
5169 return mrConsume;
5170 }
5171
5172 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5173 on the toolkit thread. This method may pre-filter the messages. */
5174 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5175 {
5176 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5177 // We should cut off keyboard events to disabled components
5178 // to avoid the components responding visually to keystrokes when disabled.
5179 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5180 // but to activate menus, close windows, etc
5181 switch(msg->message) {
5182 case WM_KEYDOWN:
5183 case WM_KEYUP:
5184 case WM_CHAR:
5185 case WM_DEADCHAR:
5186 {
5187 if (!isRecursivelyEnabled()) {
5188 goto quit;
5189 }
5190 break;
5191 }
5192 }
5193 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5194 (WPARAM) synthetic, (LPARAM) msg)) {
5195 return TRUE;
5196 } else {
5197 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5198 }
5199 quit:
5200 delete msg;
5201 return FALSE;
5202 }
5203
5204 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5205 {
5206 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5207 UINT message;
5208 switch (id) {
5209 case java_awt_event_KeyEvent_KEY_PRESSED:
5210 message = WM_KEYDOWN;
5211 break;
5212 case java_awt_event_KeyEvent_KEY_RELEASED:
5213 message = WM_KEYUP;
5214 break;
5215 case java_awt_event_KeyEvent_KEY_TYPED:
5216 message = WM_CHAR;
5217 break;
5218 default:
5219 return;
5220 }
5221
5222 /*
5223 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5224 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5225 */
5226 if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5227 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5228 // (for Edit control)
5229 jchar keyChar = (jchar)
5230 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5231
5232 // Bugid 4724007. If it is a Delete character, don't send the fake
5233 // KEY_TYPED we created back to the native window: Windows doesn't
5234 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5235 // character after deleting.
5236 if (keyChar == '\177') { // the Delete character
5237 return;
5238 }
5239
5240 // Disable forwarding WM_CHAR messages to disabled components
5241 if (isRecursivelyEnabled()) {
5242 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5243 MAKEWPARAM(keyChar, TRUE), 0)) {
5244 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5245 }
5246 }
5247 } else {
5248 jint keyCode =
5249 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5250 UINT key, modifiers;
5251 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5252 MSG* msg = CreateMessage(message, key, 0);
5253 PostHandleEventMessage(msg, TRUE);
5254 }
5255 }
5256
5257 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5258 {
5259 /* DebugBreak(); */
5260 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5261 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5262
5263 WPARAM wParam = 0;
5264 WORD wLow = 0;
5265 jint wheelAmt = 0;
5266 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5267 UINT message;
5268 switch (id) {
5269 case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5270 switch (button) {
5271 case java_awt_event_MouseEvent_BUTTON1:
5272 message = WM_LBUTTONDOWN; break;
5273 case java_awt_event_MouseEvent_BUTTON3:
5274 message = WM_MBUTTONDOWN; break;
5275 case java_awt_event_MouseEvent_BUTTON2:
5276 message = WM_RBUTTONDOWN; break;
5277 default:
5278 return;
5279 }
5280 break;
5281 }
5282 case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5283 switch (button) {
5284 case java_awt_event_MouseEvent_BUTTON1:
5285 message = WM_LBUTTONUP; break;
5286 case java_awt_event_MouseEvent_BUTTON3:
5287 message = WM_MBUTTONUP; break;
5288 case java_awt_event_MouseEvent_BUTTON2:
5289 message = WM_RBUTTONUP; break;
5290 default:
5291 return;
5292 }
5293 break;
5294 }
5295 case java_awt_event_MouseEvent_MOUSE_MOVED:
5296 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5297 case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5298 message = WM_MOUSEMOVE;
5299 break;
5300 case java_awt_event_MouseEvent_MOUSE_WHEEL:
5301 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5302 wLow |= MK_CONTROL;
5303 }
5304 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5305 wLow |= MK_SHIFT;
5306 }
5307 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5308 wLow |= MK_LBUTTON;
5309 }
5310 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5311 wLow |= MK_RBUTTON;
5312 }
5313 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5314 wLow |= MK_MBUTTON;
5315 }
5316 if (modifiers & X1_BUTTON) {
5317 wLow |= GetButtonMK(X1_BUTTON);
5318 }
5319 if (modifiers & X2_BUTTON) {
5320 wLow |= GetButtonMK(X2_BUTTON);
5321 }
5322
5323 wheelAmt = (jint)JNU_CallMethodByName(env,
5324 NULL,
5325 mouseEvent,
5326 "getWheelRotation",
5327 "()I").i;
5328 DASSERT(!safe_ExceptionOccurred(env));
5329 JNU_CHECK_EXCEPTION(env);
5330 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5331
5332 // convert Java wheel amount value to Win32
5333 wheelAmt *= -1 * WHEEL_DELTA;
5334
5335 message = WM_MOUSEWHEEL;
5336 wParam = MAKEWPARAM(wLow, wheelAmt);
5337
5338 break;
5339 default:
5340 return;
5341 }
5342 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5343 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5344 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5345 PostHandleEventMessage(msg, TRUE);
5346 }
5347
5348 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5349
5350 void AwtComponent::Invalidate(RECT* r)
5351 {
5352 ::InvalidateRect(GetHWnd(), r, FALSE);
5353 }
5354
5355 void AwtComponent::BeginValidate()
5356 {
5357 DASSERT(m_validationNestCount >= 0 &&
5358 m_validationNestCount < 1000); // sanity check
5359
5360 if (m_validationNestCount == 0) {
5361 // begin deferred window positioning if we're not inside
5362 // another Begin/EndValidate pair
5363 DASSERT(m_hdwp == NULL);
5364 m_hdwp = ::BeginDeferWindowPos(32);
5365 }
5366
5367 m_validationNestCount++;
5368 }
5369
5370 void AwtComponent::EndValidate()
5371 {
5372 DASSERT(m_validationNestCount > 0 &&
5373 m_validationNestCount < 1000); // sanity check
5374 DASSERT(m_hdwp != NULL);
5375
5376 m_validationNestCount--;
5377 if (m_validationNestCount == 0) {
5378 // if this call to EndValidate is not nested inside another
5379 // Begin/EndValidate pair, end deferred window positioning
5380 ::EndDeferWindowPos(m_hdwp);
5381 m_hdwp = NULL;
5382 }
5383 }
5384
5385 /**
5386 * HWND, AwtComponent and Java Peer interaction
5387 */
5388
5389 /*
5390 *Link the C++, Java peer, and HWNDs together.
5391 */
5392 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5393 {
5394 /*
5395 * Bind all three objects together thru this C++ object, two-way to each:
5396 * JavaPeer <-> C++ <-> HWND
5397 *
5398 * C++ -> JavaPeer
5399 */
5400 if (m_peerObject == NULL) {
5401 // This may have already been set up by CreateHWnd
5402 // And we don't want to create two references so we
5403 // will leave the prior one alone
5404 m_peerObject = env->NewGlobalRef(peer);
5405 }
5406 /* JavaPeer -> HWND */
5407 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5408
5409 /* JavaPeer -> C++ */
5410 JNI_SET_PDATA(peer, this);
5411
5412 /* HWND -> C++ */
5413 SetComponentInHWND();
5414 }
5415
5416 /* Cleanup above linking */
5417 void AwtComponent::UnlinkObjects()
5418 {
5419 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5420 if (m_peerObject) {
5421 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5422 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5423 JNI_SET_DESTROYED(m_peerObject);
5424 env->DeleteGlobalRef(m_peerObject);
5425 m_peerObject = NULL;
5426 }
5427 }
5428
5429 void AwtComponent::Enable(BOOL bEnable)
5430 {
5431 if (bEnable && IsTopLevel()) {
5432 // we should not enable blocked toplevels
5433 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5434 }
5435 // Shouldn't trigger native focus change
5436 // (only the proxy may be the native focus owner).
5437 ::EnableWindow(GetHWnd(), bEnable);
5438
5439 CriticalSection::Lock l(GetLock());
5440 VerifyState();
5441 }
5442
5443 /*
5444 * associate an AwtDropTarget with this AwtComponent
5445 */
5446
5447 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5448 m_dropTarget = new AwtDropTarget(env, this);
5449 m_dropTarget->RegisterTarget(TRUE);
5450 return m_dropTarget;
5451 }
5452
5453 /*
5454 * disassociate an AwtDropTarget with this AwtComponent
5455 */
5456
5457 void AwtComponent::DestroyDropTarget() {
5458 if (m_dropTarget != NULL) {
5459 m_dropTarget->RegisterTarget(FALSE);
5460 m_dropTarget->Release();
5461 m_dropTarget = NULL;
5462 }
5463 }
5464
5465 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5466 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5467 }
5468
5469 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5470 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5471 }
5472
5473 void AwtComponent::_Show(void *param)
5474 {
5475 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5476
5477 jobject self = (jobject)param;
5478
5479 AwtComponent *p;
5480
5481 PDATA pData;
5482 JNI_CHECK_PEER_GOTO(self, ret);
5483 p = (AwtComponent *)pData;
5484 if (::IsWindow(p->GetHWnd()))
5485 {
5486 p->SendMessage(WM_AWT_COMPONENT_SHOW);
5487 }
5488 ret:
5489 env->DeleteGlobalRef(self);
5490 }
5491
5492 void AwtComponent::_Hide(void *param)
5493 {
5494 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5495
5496 jobject self = (jobject)param;
5497
5498 AwtComponent *p;
5499
5500 PDATA pData;
5501 JNI_CHECK_PEER_GOTO(self, ret);
5502 p = (AwtComponent *)pData;
5503 if (::IsWindow(p->GetHWnd()))
5504 {
5505 p->SendMessage(WM_AWT_COMPONENT_HIDE);
5506 }
5507 ret:
5508 env->DeleteGlobalRef(self);
5509 }
5510
5511 void AwtComponent::_Enable(void *param)
5512 {
5513 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5514
5515 jobject self = (jobject)param;
5516
5517 AwtComponent *p;
5518
5519 PDATA pData;
5520 JNI_CHECK_PEER_GOTO(self, ret);
5521 p = (AwtComponent *)pData;
5522 if (::IsWindow(p->GetHWnd()))
5523 {
5524 p->Enable(TRUE);
5525 }
5526 ret:
5527 env->DeleteGlobalRef(self);
5528 }
5529
5530 void AwtComponent::_Disable(void *param)
5531 {
5532 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5533
5534 jobject self = (jobject)param;
5535
5536 AwtComponent *p;
5537
5538 PDATA pData;
5539 JNI_CHECK_PEER_GOTO(self, ret);
5540 p = (AwtComponent *)pData;
5541 if (::IsWindow(p->GetHWnd()))
5542 {
5543 p->Enable(FALSE);
5544 }
5545 ret:
5546 env->DeleteGlobalRef(self);
5547 }
5548
5549 jobject AwtComponent::_GetLocationOnScreen(void *param)
5550 {
5551 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5552
5553 jobject self = (jobject)param;
5554
5555 jobject result = NULL;
5556 AwtComponent *p;
5557
5558 PDATA pData;
5559 JNI_CHECK_PEER_GOTO(self, ret);
5560 p = (AwtComponent *)pData;
5561 if (::IsWindow(p->GetHWnd()))
5562 {
5563 RECT rect;
5564 VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5565 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5566 p->ScaleDownX(rect.left),
5567 p->ScaleDownY(rect.top));
5568 }
5569 ret:
5570 env->DeleteGlobalRef(self);
5571
5572 if (result != NULL)
5573 {
5574 jobject resultGlobalRef = env->NewGlobalRef(result);
5575 env->DeleteLocalRef(result);
5576 return resultGlobalRef;
5577 }
5578 else
5579 {
5580 return NULL;
5581 }
5582 }
5583
5584 void AwtComponent::_Reshape(void *param)
5585 {
5586 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5587
5588 ReshapeStruct *rs = (ReshapeStruct*)param;
5589 jobject self = rs->component;
5590 jint x = rs->x;
5591 jint y = rs->y;
5592 jint w = rs->w;
5593 jint h = rs->h;
5594
5595 AwtComponent *p;
5596
5597 PDATA pData;
5598 JNI_CHECK_PEER_GOTO(self, ret);
5599 p = (AwtComponent *)pData;
5600 if (::IsWindow(p->GetHWnd()))
5601 {
5602 RECT* r = new RECT;
5603 ::SetRect(r, x, y, x + w, y + h);
5604 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5605 }
5606 ret:
5607 env->DeleteGlobalRef(self);
5608
5609 delete rs;
5610 }
5611
5612 void AwtComponent::_ReshapeNoCheck(void *param)
5613 {
5614 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5615
5616 ReshapeStruct *rs = (ReshapeStruct*)param;
5617 jobject self = rs->component;
5618 jint x = rs->x;
5619 jint y = rs->y;
5620 jint w = rs->w;
5621 jint h = rs->h;
5622
5623 AwtComponent *p;
5624
5625 PDATA pData;
5626 JNI_CHECK_PEER_GOTO(self, ret);
5627 p = (AwtComponent *)pData;
5628 if (::IsWindow(p->GetHWnd()))
5629 {
5630 RECT* r = new RECT;
5631 ::SetRect(r, x, y, x + w, y + h);
5632 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5633 }
5634 ret:
5635 env->DeleteGlobalRef(self);
5636
5637 delete rs;
5638 }
5639
5640 void AwtComponent::_NativeHandleEvent(void *param)
5641 {
5642 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5643
5644 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5645 jobject self = nhes->component;
5646 jobject event = nhes->event;
5647
5648 AwtComponent *p;
5649
5650 PDATA pData;
5651 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5652 pData = JNI_GET_PDATA(self);
5653 if (pData == NULL) {
5654 env->DeleteGlobalRef(self);
5655 if (event != NULL) {
5656 env->DeleteGlobalRef(event);
5657 }
5658 delete nhes;
5659 return;
5660 }
5661 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5662
5663 p = (AwtComponent *)pData;
5664 if (::IsWindow(p->GetHWnd()))
5665 {
5666 if (env->EnsureLocalCapacity(1) < 0) {
5667 env->DeleteGlobalRef(self);
5668 env->DeleteGlobalRef(event);
5669 delete nhes;
5670 return;
5671 }
5672 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5673 int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5674 DASSERT(!safe_ExceptionOccurred(env));
5675 if (bdata != 0) {
5676 MSG msg;
5677 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5678 (env)->DeleteLocalRef(bdata);
5679 static BOOL keyDownConsumed = FALSE;
5680 static BOOL bCharChanged = FALSE;
5681 static WCHAR modifiedChar;
5682 WCHAR unicodeChar;
5683
5684 /* Remember if a KEY_PRESSED event is consumed, as an old model
5685 * program won't consume a subsequent KEY_TYPED event.
5686 */
5687 jboolean consumed =
5688 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5689 DASSERT(!safe_ExceptionOccurred(env));
5690
5691 if (consumed) {
5692 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5693 env->DeleteGlobalRef(self);
5694 env->DeleteGlobalRef(event);
5695 delete nhes;
5696 return;
5697
5698 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5699 // Fix for 6637607: reset consuming
5700 keyDownConsumed = FALSE;
5701 }
5702
5703 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5704 * the old model.
5705 */
5706 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5707 keyDownConsumed = FALSE;
5708 env->DeleteGlobalRef(self);
5709 env->DeleteGlobalRef(event);
5710 delete nhes;
5711 return;
5712 }
5713
5714 /* Modify any event parameters, if necessary. */
5715 if (self && pData &&
5716 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5717 id <= java_awt_event_KeyEvent_KEY_LAST) {
5718
5719 AwtComponent* p = (AwtComponent*)pData;
5720
5721 jint keyCode =
5722 (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5723 jchar keyChar =
5724 (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5725 jint modifiers =
5726 (env)->GetIntField(event, AwtInputEvent::modifiersID);
5727
5728 DASSERT(!safe_ExceptionOccurred(env));
5729
5730 /* Check to see whether the keyCode or modifiers were changed
5731 on the keyPressed event, and tweak the following keyTyped
5732 event (if any) accodingly. */
5733 switch (id) {
5734 case java_awt_event_KeyEvent_KEY_PRESSED:
5735 {
5736 UINT winKey = (UINT)msg.wParam;
5737 bCharChanged = FALSE;
5738
5739 if (winKey == VK_PROCESSKEY) {
5740 // Leave it up to IME
5741 break;
5742 }
5743
5744 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5745 UINT newWinKey, ignored;
5746 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5747 if (newWinKey != 0) {
5748 winKey = newWinKey;
5749 }
5750 }
5751
5752 BOOL isDeadKey = FALSE;
5753 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5754 bCharChanged = (keyChar != modifiedChar);
5755 }
5756 break;
5757
5758 case java_awt_event_KeyEvent_KEY_RELEASED:
5759 {
5760 keyDownConsumed = FALSE;
5761 bCharChanged = FALSE;
5762 }
5763 break;
5764
5765 case java_awt_event_KeyEvent_KEY_TYPED:
5766 {
5767 if (bCharChanged)
5768 {
5769 unicodeChar = modifiedChar;
5770 }
5771 else
5772 {
5773 unicodeChar = keyChar;
5774 }
5775 bCharChanged = FALSE;
5776
5777 // Disable forwarding KEY_TYPED messages to peers of
5778 // disabled components
5779 if (p->isRecursivelyEnabled()) {
5780 // send the character back to the native window for
5781 // processing. The WM_AWT_FORWARD_CHAR handler will send
5782 // this character to DefWindowProc
5783 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5784 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5785 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5786 }
5787 }
5788 env->DeleteGlobalRef(self);
5789 env->DeleteGlobalRef(event);
5790 delete nhes;
5791 return;
5792 }
5793 break;
5794
5795 default:
5796 break;
5797 }
5798 }
5799
5800 // ignore all InputMethodEvents
5801 if (self && (pData = JNI_GET_PDATA(self)) &&
5802 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5803 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5804 env->DeleteGlobalRef(self);
5805 env->DeleteGlobalRef(event);
5806 delete nhes;
5807 return;
5808 }
5809
5810 // Create copy for local msg
5811 MSG* pCopiedMsg = new MSG;
5812 memmove(pCopiedMsg, &msg, sizeof(MSG));
5813 // Event handler deletes msg
5814 p->PostHandleEventMessage(pCopiedMsg, FALSE);
5815
5816 env->DeleteGlobalRef(self);
5817 env->DeleteGlobalRef(event);
5818 delete nhes;
5819 return;
5820 }
5821
5822 /* Forward any valid synthesized events. Currently only mouse and
5823 * key events are supported.
5824 */
5825 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5826 env->DeleteGlobalRef(self);
5827 env->DeleteGlobalRef(event);
5828 delete nhes;
5829 return;
5830 }
5831
5832 AwtComponent* p = (AwtComponent*)pData;
5833 if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5834 id <= java_awt_event_KeyEvent_KEY_LAST) {
5835 p->SynthesizeKeyMessage(env, event);
5836 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5837 id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5838 p->SynthesizeMouseMessage(env, event);
5839 }
5840 }
5841
5842 ret:
5843 if (self != NULL) {
5844 env->DeleteGlobalRef(self);
5845 }
5846 if (event != NULL) {
5847 env->DeleteGlobalRef(event);
5848 }
5849
5850 delete nhes;
5851 }
5852
5853 void AwtComponent::_SetForeground(void *param)
5854 {
5855 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5856
5857 SetColorStruct *scs = (SetColorStruct *)param;
5858 jobject self = scs->component;
5859 jint rgb = scs->rgb;
5860
5861 AwtComponent *c = NULL;
5862
5863 PDATA pData;
5864 JNI_CHECK_PEER_GOTO(self, ret);
5865 c = (AwtComponent *)pData;
5866 if (::IsWindow(c->GetHWnd()))
5867 {
5868 c->SetColor(PALETTERGB((rgb>>16)&0xff,
5869 (rgb>>8)&0xff,
5870 (rgb)&0xff));
5871 c->VerifyState();
5872 }
5873 ret:
5874 env->DeleteGlobalRef(self);
5875
5876 delete scs;
5877 }
5878
5879 void AwtComponent::_SetBackground(void *param)
5880 {
5881 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5882
5883 SetColorStruct *scs = (SetColorStruct *)param;
5884 jobject self = scs->component;
5885 jint rgb = scs->rgb;
5886
5887 AwtComponent *c = NULL;
5888
5889 PDATA pData;
5890 JNI_CHECK_PEER_GOTO(self, ret);
5891 c = (AwtComponent *)pData;
5892 if (::IsWindow(c->GetHWnd()))
5893 {
5894 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
5895 (rgb>>8)&0xff,
5896 (rgb)&0xff));
5897 c->VerifyState();
5898 }
5899 ret:
5900 env->DeleteGlobalRef(self);
5901
5902 delete scs;
5903 }
5904
5905 void AwtComponent::_SetFont(void *param)
5906 {
5907 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5908
5909 SetFontStruct *sfs = (SetFontStruct *)param;
5910 jobject self = sfs->component;
5911 jobject font = sfs->font;
5912
5913 AwtComponent *c = NULL;
5914
5915 PDATA pData;
5916 JNI_CHECK_PEER_GOTO(self, ret);
5917 JNI_CHECK_NULL_GOTO(font, "null font", ret);
5918 c = (AwtComponent *)pData;
5919 if (::IsWindow(c->GetHWnd()))
5920 {
5921 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
5922 if (awtFont == NULL) {
5923 /*arguments of AwtFont::Create are changed for multifont component */
5924 awtFont = AwtFont::Create(env, font);
5925 }
5926 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
5927
5928 c->SetFont(awtFont);
5929 }
5930 ret:
5931 env->DeleteGlobalRef(self);
5932 env->DeleteGlobalRef(font);
5933
5934 delete sfs;
5935 }
5936
5937 // Sets or kills focus for a component.
5938 void AwtComponent::_SetFocus(void *param)
5939 {
5940 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5941
5942 SetFocusStruct *sfs = (SetFocusStruct *)param;
5943 jobject self = sfs->component;
5944 jboolean doSetFocus = sfs->doSetFocus;
5945
5946 AwtComponent *c = NULL;
5947
5948 PDATA pData;
5949 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5950 pData = JNI_GET_PDATA(self);
5951 if (pData == NULL) {
5952 // do nothing just return false
5953 goto ret;
5954 }
5955
5956 c = (AwtComponent *)pData;
5957 if (::IsWindow(c->GetHWnd())) {
5958 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
5959 }
5960 ret:
5961 env->DeleteGlobalRef(self);
5962
5963 delete sfs;
5964 }
5965
5966 void AwtComponent::_Start(void *param)
5967 {
5968 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5969
5970 jobject self = (jobject)param;
5971
5972 AwtComponent *c = NULL;
5973
5974 PDATA pData;
5975 JNI_CHECK_PEER_GOTO(self, ret);
5976 c = (AwtComponent *)pData;
5977 if (::IsWindow(c->GetHWnd()))
5978 {
5979 jobject target = c->GetTarget(env);
5980
5981 /* Disable window if specified -- windows are enabled by default. */
5982 jboolean enabled = (jboolean)env->GetBooleanField(target,
5983 AwtComponent::enabledID);
5984 if (!enabled) {
5985 ::EnableWindow(c->GetHWnd(), FALSE);
5986 }
5987
5988 /* The peer is now ready for callbacks, since this is the last
5989 * initialization call
5990 */
5991 c->EnableCallbacks(TRUE);
5992
5993 // Fix 4745222: we need to invalidate region since we validated it before initialization.
5994 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
5995
5996 // Fix 4530093: WM_PAINT after EnableCallbacks
5997 ::UpdateWindow(c->GetHWnd());
5998
5999 env->DeleteLocalRef(target);
6000 }
6001 ret:
6002 env->DeleteGlobalRef(self);
6003 }
6004
6005 void AwtComponent::_BeginValidate(void *param)
6006 {
6007 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6008 if (AwtToolkit::IsMainThread()) {
6009 jobject self = (jobject)param;
6010 if (self != NULL) {
6011 PDATA pData = JNI_GET_PDATA(self);
6012 if (pData) {
6013 AwtComponent *c = (AwtComponent *)pData;
6014 if (::IsWindow(c->GetHWnd())) {
6015 c->SendMessage(WM_AWT_BEGIN_VALIDATE);
6016 }
6017 }
6018 env->DeleteGlobalRef(self);
6019 }
6020 } else {
6021 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
6022 }
6023 }
6024
6025 void AwtComponent::_EndValidate(void *param)
6026 {
6027 if (AwtToolkit::IsMainThread()) {
6028 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6029 jobject self = (jobject)param;
6030 if (self != NULL) {
6031 PDATA pData = JNI_GET_PDATA(self);
6032 if (pData) {
6033 AwtComponent *c = (AwtComponent *)pData;
6034 if (::IsWindow(c->GetHWnd())) {
6035 c->SendMessage(WM_AWT_END_VALIDATE);
6036 }
6037 }
6038 env->DeleteGlobalRef(self);
6039 }
6040 } else {
6041 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
6042 }
6043 }
6044
6045 void AwtComponent::_UpdateWindow(void *param)
6046 {
6047 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6048 if (AwtToolkit::IsMainThread()) {
6049 jobject self = (jobject)param;
6050 AwtComponent *c = NULL;
6051 PDATA pData;
6052 JNI_CHECK_PEER_GOTO(self, ret);
6053 c = (AwtComponent *)pData;
6054 if (::IsWindow(c->GetHWnd())) {
6055 ::UpdateWindow(c->GetHWnd());
6056 }
6057 ret:
6058 env->DeleteGlobalRef(self);
6059 } else {
6060 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
6061 }
6062 }
6063
6064 jlong AwtComponent::_AddNativeDropTarget(void *param)
6065 {
6066 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6067
6068 jobject self = (jobject)param;
6069
6070 jlong result = 0;
6071 AwtComponent *c = NULL;
6072
6073 PDATA pData;
6074 JNI_CHECK_PEER_GOTO(self, ret);
6075 c = (AwtComponent *)pData;
6076 if (::IsWindow(c->GetHWnd()))
6077 {
6078 result = (jlong)(c->CreateDropTarget(env));
6079 }
6080 ret:
6081 env->DeleteGlobalRef(self);
6082
6083 return result;
6084 }
6085
6086 void AwtComponent::_RemoveNativeDropTarget(void *param)
6087 {
6088 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6089
6090 jobject self = (jobject)param;
6091
6092 AwtComponent *c = NULL;
6093
6094 PDATA pData;
6095 JNI_CHECK_PEER_GOTO(self, ret);
6096 c = (AwtComponent *)pData;
6097 if (::IsWindow(c->GetHWnd()))
6098 {
6099 c->DestroyDropTarget();
6100 }
6101 ret:
6102 env->DeleteGlobalRef(self);
6103 }
6104
6105 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6106 {
6107 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6108
6109 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6110 jobject self = cpps->component;
6111
6112 jintArray result = NULL;
6113 AwtComponent *c = NULL;
6114
6115 PDATA pData;
6116 JNI_CHECK_PEER_GOTO(self, ret);
6117 c = (AwtComponent *)pData;
6118 if (::IsWindow(c->GetHWnd()))
6119 {
6120 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6121 }
6122 ret:
6123 env->DeleteGlobalRef(self);
6124
6125 delete cpps;
6126 return result; // this reference is global
6127 }
6128
6129 jboolean AwtComponent::_IsObscured(void *param)
6130 {
6131 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6132
6133 jobject self = (jobject)param;
6134
6135 jboolean result = JNI_FALSE;
6136 AwtComponent *c = NULL;
6137
6138 PDATA pData;
6139 JNI_CHECK_PEER_GOTO(self, ret);
6140
6141 c = (AwtComponent *)pData;
6142
6143 if (::IsWindow(c->GetHWnd()))
6144 {
6145 HWND hWnd = c->GetHWnd();
6146 HDC hDC = ::GetDC(hWnd);
6147 RECT clipbox;
6148 int callresult = ::GetClipBox(hDC, &clipbox);
6149 switch(callresult) {
6150 case NULLREGION :
6151 result = JNI_FALSE;
6152 break;
6153 case SIMPLEREGION : {
6154 RECT windowRect;
6155 if (!::GetClientRect(hWnd, &windowRect)) {
6156 result = JNI_TRUE;
6157 } else {
6158 result = (jboolean)((clipbox.bottom != windowRect.bottom)
6159 || (clipbox.left != windowRect.left)
6160 || (clipbox.right != windowRect.right)
6161 || (clipbox.top != windowRect.top));
6162 }
6163 break;
6164 }
6165 case COMPLEXREGION :
6166 default :
6167 result = JNI_TRUE;
6168 break;
6169 }
6170 ::ReleaseDC(hWnd, hDC);
6171 }
6172 ret:
6173 env->DeleteGlobalRef(self);
6174
6175 return result;
6176 }
6177
6178 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6179 {
6180 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6181
6182 jobject self = (jobject)param;
6183
6184 jboolean result = JNI_FALSE;
6185 AwtComponent *c = NULL;
6186
6187 PDATA pData;
6188 JNI_CHECK_PEER_GOTO(self, ret);
6189 c = (AwtComponent *)pData;
6190 if (::IsWindow(c->GetHWnd()))
6191 {
6192 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6193 }
6194 ret:
6195 env->DeleteGlobalRef(self);
6196
6197 return result;
6198 }
6199
6200 void AwtComponent::SetParent(void * param) {
6201 if (AwtToolkit::IsMainThread()) {
6202 AwtComponent** comps = (AwtComponent**)param;
6203 if ((comps[0] != NULL) && (comps[1] != NULL)) {
6204 HWND selfWnd = comps[0]->GetHWnd();
6205 HWND parentWnd = comps[1]->GetHWnd();
6206 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6207 // Shouldn't trigger native focus change
6208 // (only the proxy may be the native focus owner).
6209 ::SetParent(selfWnd, parentWnd);
6210 }
6211 }
6212 delete[] comps;
6213 } else {
6214 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::SetParent, param);
6215 }
6216 }
6217
6218 void AwtComponent::_SetRectangularShape(void *param)
6219 {
6220 if (!AwtToolkit::IsMainThread()) {
6221 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6222 } else {
6223 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6224
6225 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6226 jobject self = data->component;
6227 jint x1 = data->x1;
6228 jint x2 = data->x2;
6229 jint y1 = data->y1;
6230 jint y2 = data->y2;
6231 jobject region = data->region;
6232
6233 AwtComponent *c = NULL;
6234
6235 PDATA pData;
6236 JNI_CHECK_PEER_GOTO(self, ret);
6237
6238 c = (AwtComponent *)pData;
6239 if (::IsWindow(c->GetHWnd())) {
6240 HRGN hRgn = NULL;
6241
6242 // If all the params are zeros, the shape must be simply reset.
6243 // Otherwise, convert it into a region.
6244 if (region || x1 || x2 || y1 || y2) {
6245 RECT_T rects[256];
6246 RECT_T *pRect = rects;
6247
6248 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6249 region, &pRect, sizeof(rects)/sizeof(rects[0]));
6250 if (!pRect) {
6251 // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6252 // so throw the exception explicitly
6253 throw std::bad_alloc();
6254 }
6255
6256 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6257 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6258 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6259 if (pRect != rects) {
6260 free(pRect);
6261 }
6262 pRect = NULL;
6263
6264 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6265 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6266 pRgnHdr->iType = RDH_RECTANGLES;
6267 pRgnHdr->nRgnSize = 0;
6268 pRgnHdr->rcBound.top = 0;
6269 pRgnHdr->rcBound.left = 0;
6270 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6271 pRgnHdr->rcBound.right = LONG(x2 - x1);
6272 pRgnHdr->nCount = numrects;
6273
6274 hRgn = ::ExtCreateRegion(NULL,
6275 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6276
6277 free(pRgnData);
6278 }
6279
6280 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6281 }
6282
6283 ret:
6284 env->DeleteGlobalRef(self);
6285 if (region) {
6286 env->DeleteGlobalRef(region);
6287 }
6288
6289 delete data;
6290 }
6291 }
6292
6293 void AwtComponent::_SetZOrder(void *param) {
6294 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6295
6296 SetZOrderStruct *data = (SetZOrderStruct *)param;
6297 jobject self = data->component;
6298 HWND above = HWND_TOP;
6299 if (data->above != 0) {
6300 above = reinterpret_cast<HWND>(data->above);
6301 }
6302
6303 AwtComponent *c = NULL;
6304
6305 PDATA pData;
6306 JNI_CHECK_PEER_GOTO(self, ret);
6307
6308 c = (AwtComponent *)pData;
6309 if (::IsWindow(c->GetHWnd())) {
6310 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6311 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6312 }
6313
6314 ret:
6315 env->DeleteGlobalRef(self);
6316
6317 delete data;
6318 }
6319
6320 void AwtComponent::PostUngrabEvent() {
6321 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6322 jobject target = GetTarget(env);
6323 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6324 target);
6325 if (safe_ExceptionOccurred(env)) {
6326 env->ExceptionDescribe();
6327 env->ExceptionClear();
6328 }
6329 env->DeleteLocalRef(target);
6330 if (event != NULL) {
6331 SendEvent(event);
6332 env->DeleteLocalRef(event);
6333 }
6334 }
6335
6336 void AwtComponent::SetFocusedWindow(HWND window)
6337 {
6338 HWND old = sm_focusedWindow;
6339 sm_focusedWindow = window;
6340
6341 AwtWindow::FocusedWindowChanged(old, window);
6342 }
6343
6344 /************************************************************************
6345 * Component native methods
6346 */
6347
6348 extern "C" {
6349
6350 /**
6351 * This method is called from the WGL pipeline when it needs to retrieve
6352 * the HWND associated with a ComponentPeer's C++ level object.
6353 */
6354 HWND
6355 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6356 {
6357 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6358 if (p == NULL) {
6359 return (HWND)0;
6360 }
6361 return p->GetHWnd();
6362 }
6363
6364 static void _GetInsets(void* param)
6365 {
6366 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6367
6368 GetInsetsStruct *gis = (GetInsetsStruct *)param;
6369 jobject self = gis->window;
6370
6371 gis->insets->left = gis->insets->top =
6372 gis->insets->right = gis->insets->bottom = 0;
6373
6374 PDATA pData;
6375 JNI_CHECK_PEER_GOTO(self, ret);
6376 AwtComponent *component = (AwtComponent *)pData;
6377
6378 component->GetInsets(gis->insets);
6379
6380 ret:
6381 env->DeleteGlobalRef(self);
6382 delete gis;
6383 }
6384
6385 /**
6386 * This method is called from the WGL pipeline when it needs to retrieve
6387 * the insets associated with a ComponentPeer's C++ level object.
6388 */
6389 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6390 {
6391 TRY;
6392
6393 GetInsetsStruct *gis = new GetInsetsStruct;
6394 gis->window = env->NewGlobalRef(peer);
6395 gis->insets = insets;
6396
6397 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6398 // global refs and mds are deleted in _UpdateWindow
6399
6400 CATCH_BAD_ALLOC;
6401
6402 }
6403
6404 JNIEXPORT void JNICALL
6405 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6406 {
6407 TRY;
6408 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6409 CHECK_NULL(inputEventClazz);
6410 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6411 CHECK_NULL(getButtonDownMasksID);
6412 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6413 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6414 CHECK_NULL(tmp);
6415 jsize len = env->GetArrayLength(obj);
6416 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6417 for (int i = 0; i < len; i++) {
6418 AwtComponent::masks[i] = tmp[i];
6419 }
6420 env->ReleaseIntArrayElements(obj, tmp, 0);
6421 env->DeleteLocalRef(obj);
6422
6423 /* class ids */
6424 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6425
6426 DASSERT(peerCls);
6427 CHECK_NULL(peerCls);
6428
6429 /* field ids */
6430 AwtComponent::peerID =
6431 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6432 DASSERT(AwtComponent::peerID);
6433 CHECK_NULL(AwtComponent::peerID);
6434
6435 AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6436 DASSERT(AwtComponent::xID);
6437 CHECK_NULL(AwtComponent::xID);
6438
6439 AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6440 DASSERT(AwtComponent::yID);
6441 CHECK_NULL(AwtComponent::yID);
6442
6443 AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6444 DASSERT(AwtComponent::heightID);
6445 CHECK_NULL(AwtComponent::heightID);
6446
6447 AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6448 DASSERT(AwtComponent::widthID);
6449 CHECK_NULL(AwtComponent::widthID);
6450
6451 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6452 DASSERT(AwtComponent::visibleID);
6453 CHECK_NULL(AwtComponent::visibleID);
6454
6455 AwtComponent::backgroundID =
6456 env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6457 DASSERT(AwtComponent::backgroundID);
6458 CHECK_NULL(AwtComponent::backgroundID);
6459
6460 AwtComponent::foregroundID =
6461 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6462 DASSERT(AwtComponent::foregroundID);
6463 CHECK_NULL(AwtComponent::foregroundID);
6464
6465 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6466 DASSERT(AwtComponent::enabledID);
6467 CHECK_NULL(AwtComponent::enabledID);
6468
6469 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6470 DASSERT(AwtComponent::parentID);
6471 CHECK_NULL(AwtComponent::parentID);
6472
6473 AwtComponent::graphicsConfigID =
6474 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6475 DASSERT(AwtComponent::graphicsConfigID);
6476 CHECK_NULL(AwtComponent::graphicsConfigID);
6477
6478 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6479 DASSERT(AwtComponent::focusableID);
6480 CHECK_NULL(AwtComponent::focusableID);
6481
6482 AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6483 "Lsun/awt/AppContext;");
6484 DASSERT(AwtComponent::appContextID);
6485 CHECK_NULL(AwtComponent::appContextID);
6486
6487 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6488 "Lsun/awt/Win32GraphicsConfig;");
6489 DASSERT(AwtComponent::peerGCID);
6490 CHECK_NULL(AwtComponent::peerGCID);
6491
6492 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6493 DASSERT(AwtComponent::hwndID);
6494 CHECK_NULL(AwtComponent::hwndID);
6495
6496 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6497 DASSERT(AwtComponent::cursorID);
6498 CHECK_NULL(AwtComponent::cursorID);
6499
6500 /* method ids */
6501 AwtComponent::getFontMID =
6502 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6503 DASSERT(AwtComponent::getFontMID);
6504 CHECK_NULL(AwtComponent::getFontMID);
6505
6506 AwtComponent::getToolkitMID =
6507 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6508 DASSERT(AwtComponent::getToolkitMID);
6509 CHECK_NULL(AwtComponent::getToolkitMID);
6510
6511 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6512 DASSERT(AwtComponent::isEnabledMID);
6513 CHECK_NULL(AwtComponent::isEnabledMID);
6514
6515 AwtComponent::getLocationOnScreenMID =
6516 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6517 DASSERT(AwtComponent::getLocationOnScreenMID);
6518 CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6519
6520 AwtComponent::replaceSurfaceDataMID =
6521 env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6522 DASSERT(AwtComponent::replaceSurfaceDataMID);
6523 CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6524
6525 AwtComponent::replaceSurfaceDataLaterMID =
6526 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6527 DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6528 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6529
6530 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6531 DASSERT(AwtComponent::disposeLaterMID);
6532 CHECK_NULL(AwtComponent::disposeLaterMID);
6533
6534 CATCH_BAD_ALLOC;
6535 }
6536
6537 } /* extern "C" */
6538
6539
6540 /************************************************************************
6541 * ComponentPeer native methods
6542 */
6543
6544 extern "C" {
6545
6546 /*
6547 * Class: sun_awt_windows_WComponentPeer
6548 * Method: pShow
6549 * Signature: ()V
6550 */
6551 JNIEXPORT void JNICALL
6552 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6553 {
6554 TRY;
6555
6556 jobject selfGlobalRef = env->NewGlobalRef(self);
6557
6558 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6559 // selfGlobalRef is deleted in _Show
6560
6561 CATCH_BAD_ALLOC;
6562 }
6563
6564 /*
6565 * Class: sun_awt_windows_WComponentPeer
6566 * Method: hide
6567 * Signature: ()V
6568 */
6569 JNIEXPORT void JNICALL
6570 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6571 {
6572 TRY;
6573
6574 jobject selfGlobalRef = env->NewGlobalRef(self);
6575
6576 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6577 // selfGlobalRef is deleted in _Hide
6578
6579 CATCH_BAD_ALLOC;
6580 }
6581
6582 /*
6583 * Class: sun_awt_windows_WComponentPeer
6584 * Method: enable
6585 * Signature: ()V
6586 */
6587 JNIEXPORT void JNICALL
6588 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6589 {
6590 TRY;
6591
6592 jobject selfGlobalRef = env->NewGlobalRef(self);
6593
6594 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6595 // selfGlobalRef is deleted in _Enable
6596
6597 CATCH_BAD_ALLOC;
6598 }
6599
6600 /*
6601 * Class: sun_awt_windows_WComponentPeer
6602 * Method: disable
6603 * Signature: ()V
6604 */
6605 JNIEXPORT void JNICALL
6606 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6607 {
6608 TRY;
6609
6610 jobject selfGlobalRef = env->NewGlobalRef(self);
6611
6612 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6613 // selfGlobalRef is deleted in _Disable
6614
6615 CATCH_BAD_ALLOC;
6616 }
6617
6618 /*
6619 * Class: sun_awt_windows_WComponentPeer
6620 * Method: getLocationOnScreen
6621 * Signature: ()Ljava/awt/Point;
6622 */
6623 JNIEXPORT jobject JNICALL
6624 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6625 {
6626 TRY;
6627
6628 jobject selfGlobalRef = env->NewGlobalRef(self);
6629
6630 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6631 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6632 // selfGlobalRef is deleted in _GetLocationOnScreen
6633 if (resultGlobalRef != NULL)
6634 {
6635 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6636 env->DeleteGlobalRef(resultGlobalRef);
6637 return resultLocalRef;
6638 }
6639
6640 return NULL;
6641
6642 CATCH_BAD_ALLOC_RET(NULL);
6643 }
6644
6645 /*
6646 * Class: sun_awt_windows_WComponentPeer
6647 * Method: reshape
6648 * Signature: (IIII)V
6649 */
6650 JNIEXPORT void JNICALL
6651 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6652 jint x, jint y, jint w, jint h)
6653 {
6654 TRY;
6655
6656 ReshapeStruct *rs = new ReshapeStruct;
6657 rs->component = env->NewGlobalRef(self);
6658 rs->x = x;
6659 rs->y = y;
6660 rs->w = w;
6661 rs->h = h;
6662
6663 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6664 // global ref and rs are deleted in _Reshape
6665
6666 CATCH_BAD_ALLOC;
6667 }
6668
6669 /*
6670 * Class: sun_awt_windows_WComponentPeer
6671 * Method: reshape
6672 * Signature: (IIII)V
6673 */
6674 JNIEXPORT void JNICALL
6675 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6676 jint x, jint y, jint w, jint h)
6677 {
6678 TRY;
6679
6680 ReshapeStruct *rs = new ReshapeStruct;
6681 rs->component = env->NewGlobalRef(self);
6682 rs->x = x;
6683 rs->y = y;
6684 rs->w = w;
6685 rs->h = h;
6686
6687 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6688 // global ref and rs are deleted in _ReshapeNoCheck
6689
6690 CATCH_BAD_ALLOC;
6691 }
6692
6693
6694 /*
6695 * Class: sun_awt_windows_WComponentPeer
6696 * Method: nativeHandleEvent
6697 * Signature: (Ljava/awt/AWTEvent;)V
6698 */
6699 JNIEXPORT void JNICALL
6700 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6701 jobject self,
6702 jobject event)
6703 {
6704 TRY;
6705
6706 jobject selfGlobalRef = env->NewGlobalRef(self);
6707 jobject eventGlobalRef = env->NewGlobalRef(event);
6708
6709 NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6710 nhes->component = selfGlobalRef;
6711 nhes->event = eventGlobalRef;
6712
6713 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6714 // global refs and nhes are deleted in _NativeHandleEvent
6715
6716 CATCH_BAD_ALLOC;
6717 }
6718
6719 /*
6720 * Class: sun_awt_windows_WComponentPeer
6721 * Method: _dispose
6722 * Signature: ()V
6723 */
6724 JNIEXPORT void JNICALL
6725 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6726 {
6727 TRY_NO_HANG;
6728
6729 AwtObject::_Dispose(self);
6730
6731 CATCH_BAD_ALLOC;
6732 }
6733
6734 /*
6735 * Class: sun_awt_windows_WComponentPeer
6736 * Method: _setForeground
6737 * Signature: (I)V
6738 */
6739 JNIEXPORT void JNICALL
6740 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6741 jint rgb)
6742 {
6743 TRY;
6744
6745 jobject selfGlobalRef = env->NewGlobalRef(self);
6746
6747 SetColorStruct *scs = new SetColorStruct;
6748 scs->component = selfGlobalRef;
6749 scs->rgb = rgb;
6750
6751 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6752 // selfGlobalRef and scs are deleted in _SetForeground()
6753
6754 CATCH_BAD_ALLOC;
6755 }
6756
6757 /*
6758 * Class: sun_awt_windows_WComponentPeer
6759 * Method: _setBackground
6760 * Signature: (I)V
6761 */
6762 JNIEXPORT void JNICALL
6763 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6764 jint rgb)
6765 {
6766 TRY;
6767
6768 jobject selfGlobalRef = env->NewGlobalRef(self);
6769
6770 SetColorStruct *scs = new SetColorStruct;
6771 scs->component = selfGlobalRef;
6772 scs->rgb = rgb;
6773
6774 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6775 // selfGlobalRef and scs are deleted in _SetBackground()
6776
6777 CATCH_BAD_ALLOC;
6778 }
6779
6780 /*
6781 * Class: sun_awt_windows_WComponentPeer
6782 * Method: _setFont
6783 * Signature: (Ljava/awt/Font;)V
6784 */
6785 JNIEXPORT void JNICALL
6786 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6787 jobject font)
6788 {
6789 TRY;
6790
6791 jobject selfGlobalRef = env->NewGlobalRef(self);
6792 jobject fontGlobalRef = env->NewGlobalRef(font);
6793
6794 SetFontStruct *sfs = new SetFontStruct;
6795 sfs->component = selfGlobalRef;
6796 sfs->font = fontGlobalRef;
6797
6798 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6799 // global refs and sfs are deleted in _SetFont()
6800
6801 CATCH_BAD_ALLOC;
6802 }
6803
6804 /*
6805 * Class: sun_awt_windows_WComponentPeer
6806 * Method: focusGained
6807 * Signature: (Z)
6808 */
6809 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6810 (JNIEnv *env, jobject self, jboolean doSetFocus)
6811 {
6812 TRY;
6813
6814 jobject selfGlobalRef = env->NewGlobalRef(self);
6815
6816 SetFocusStruct *sfs = new SetFocusStruct;
6817 sfs->component = selfGlobalRef;
6818 sfs->doSetFocus = doSetFocus;
6819
6820 AwtToolkit::GetInstance().SyncCall(
6821 (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6822 // global refs and self are deleted in _SetFocus
6823
6824 CATCH_BAD_ALLOC;
6825 }
6826
6827 /*
6828 * Class: sun_awt_windows_WComponentPeer
6829 * Method: start
6830 * Signature: ()V
6831 */
6832 JNIEXPORT void JNICALL
6833 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6834 {
6835 TRY;
6836
6837 jobject selfGlobalRef = env->NewGlobalRef(self);
6838
6839 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6840 // selfGlobalRef is deleted in _Start
6841
6842 CATCH_BAD_ALLOC;
6843 }
6844
6845 /*
6846 * Class: sun_awt_windows_WComponentPeer
6847 * Method: beginValidate
6848 * Signature: ()V
6849 */
6850 JNIEXPORT void JNICALL
6851 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6852 {
6853 TRY;
6854
6855 jobject selfGlobalRef = env->NewGlobalRef(self);
6856
6857 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6858 // selfGlobalRef is deleted in _BeginValidate
6859
6860 CATCH_BAD_ALLOC;
6861 }
6862
6863 /*
6864 * Class: sun_awt_windows_WComponentPeer
6865 * Method: endValidate
6866 * Signature: ()V
6867 */
6868 JNIEXPORT void JNICALL
6869 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6870 {
6871 TRY;
6872
6873 jobject selfGlobalRef = env->NewGlobalRef(self);
6874
6875 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
6876 // selfGlobalRef is deleted in _EndValidate
6877
6878 CATCH_BAD_ALLOC;
6879 }
6880
6881 JNIEXPORT void JNICALL
6882 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
6883 {
6884 TRY;
6885
6886 jobject selfGlobalRef = env->NewGlobalRef(self);
6887
6888 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
6889 // selfGlobalRef is deleted in _UpdateWindow
6890
6891 CATCH_BAD_ALLOC;
6892 }
6893
6894 /*
6895 * Class: sun_awt_windows_WComponentPeer
6896 * Method: addNativeDropTarget
6897 * Signature: ()L
6898 */
6899
6900 JNIEXPORT jlong JNICALL
6901 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
6902 jobject self)
6903 {
6904 TRY;
6905
6906 jobject selfGlobalRef = env->NewGlobalRef(self);
6907
6908 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
6909 (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
6910 (void *)selfGlobalRef));
6911 // selfGlobalRef is deleted in _AddNativeDropTarget
6912
6913 CATCH_BAD_ALLOC_RET(0);
6914 }
6915
6916 /*
6917 * Class: sun_awt_windows_WComponentPeer
6918 * Method: removeNativeDropTarget
6919 * Signature: ()V
6920 */
6921
6922 JNIEXPORT void JNICALL
6923 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
6924 jobject self)
6925 {
6926 TRY;
6927
6928 jobject selfGlobalRef = env->NewGlobalRef(self);
6929
6930 AwtToolkit::GetInstance().SyncCall(
6931 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
6932 // selfGlobalRef is deleted in _RemoveNativeDropTarget
6933
6934 CATCH_BAD_ALLOC;
6935 }
6936
6937 /*
6938 * Class: sun_awt_windows_WComponentPeer
6939 * Method: getTargetGC
6940 * Signature: ()Ljava/awt/GraphicsConfiguration;
6941 */
6942 JNIEXPORT jobject JNICALL
6943 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
6944 {
6945 TRY;
6946
6947 jobject targetObj;
6948 jobject gc = 0;
6949
6950 targetObj = env->GetObjectField(theThis, AwtObject::targetID);
6951 DASSERT(targetObj);
6952
6953 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
6954 return gc;
6955
6956 CATCH_BAD_ALLOC_RET(NULL);
6957 }
6958
6959 /*
6960 * Class: sun_awt_windows_WComponentPeer
6961 * Method: createPrintedPixels
6962 * Signature: (IIIIII)I[
6963 */
6964 JNIEXPORT jintArray JNICALL
6965 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
6966 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
6967 {
6968 TRY;
6969
6970 jobject selfGlobalRef = env->NewGlobalRef(self);
6971
6972 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
6973 cpps->component = selfGlobalRef;
6974 cpps->srcx = srcX;
6975 cpps->srcy = srcY;
6976 cpps->srcw = srcW;
6977 cpps->srch = srcH;
6978 cpps->alpha = alpha;
6979
6980 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
6981 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
6982 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
6983 if (globalRef != NULL)
6984 {
6985 jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
6986 env->DeleteGlobalRef(globalRef);
6987 return localRef;
6988 }
6989 else
6990 {
6991 return NULL;
6992 }
6993
6994 CATCH_BAD_ALLOC_RET(NULL);
6995 }
6996
6997 /*
6998 * Class: sun_awt_windows_WComponentPeer
6999 * Method: nativeHandlesWheelScrolling
7000 * Signature: ()Z
7001 */
7002 JNIEXPORT jboolean JNICALL
7003 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
7004 jobject self)
7005 {
7006 TRY;
7007
7008 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7009 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
7010 env->NewGlobalRef(self));
7011 // global ref is deleted in _NativeHandlesWheelScrolling
7012
7013 CATCH_BAD_ALLOC_RET(NULL);
7014 }
7015
7016 /*
7017 * Class: sun_awt_windows_WComponentPeer
7018 * Method: isObscured
7019 * Signature: ()Z
7020 */
7021 JNIEXPORT jboolean JNICALL
7022 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
7023 jobject self)
7024 {
7025 TRY;
7026
7027 jobject selfGlobalRef = env->NewGlobalRef(self);
7028
7029 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7030 (void*(*)(void*))AwtComponent::_IsObscured,
7031 (void *)selfGlobalRef);
7032 // selfGlobalRef is deleted in _IsObscured
7033
7034 CATCH_BAD_ALLOC_RET(NULL);
7035 }
7036
7037 JNIEXPORT void JNICALL
7038 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
7039 TRY;
7040
7041 typedef AwtComponent* PComponent;
7042 AwtComponent** comps = new PComponent[2];
7043 AwtComponent* comp = (AwtComponent*)JNI_GET_PDATA(self);
7044 AwtComponent* parentComp = (AwtComponent*)JNI_GET_PDATA(parent);
7045 comps[0] = comp;
7046 comps[1] = parentComp;
7047
7048 AwtToolkit::GetInstance().SyncCall(AwtComponent::SetParent, comps);
7049 // comps is deleted in SetParent
7050
7051 CATCH_BAD_ALLOC;
7052 }
7053
7054 JNIEXPORT void JNICALL
7055 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
7056 jint x1, jint y1, jint x2, jint y2, jobject region)
7057 {
7058 TRY;
7059
7060 SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
7061 data->component = env->NewGlobalRef(self);
7062 data->x1 = x1;
7063 data->x2 = x2;
7064 data->y1 = y1;
7065 data->y2 = y2;
7066 if (region) {
7067 data->region = env->NewGlobalRef(region);
7068 } else {
7069 data->region = NULL;
7070 }
7071
7072 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
7073 // global refs and data are deleted in _SetRectangularShape
7074
7075 CATCH_BAD_ALLOC;
7076 }
7077
7078 JNIEXPORT void JNICALL
7079 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
7080 {
7081 TRY;
7082
7083 SetZOrderStruct * data = new SetZOrderStruct;
7084 data->component = env->NewGlobalRef(self);
7085 data->above = above;
7086
7087 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
7088 // global refs and data are deleted in _SetLower
7089
7090 CATCH_BAD_ALLOC;
7091 }
7092
7093 } /* extern "C" */
7094
7095
7096 /************************************************************************
7097 * Diagnostic routines
7098 */
7099
7100 #ifdef DEBUG
7101
7102 void AwtComponent::VerifyState()
7103 {
7104 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7105 return;
7106 }
7107
7108 if (m_callbacksEnabled == FALSE) {
7109 /* Component is not fully setup yet. */
7110 return;
7111 }
7112
7113 /* Get target bounds. */
7114 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7115 if (env->PushLocalFrame(10) < 0)
7116 return;
7117
7118 jobject target = GetTarget(env);
7119
7120 jint x = env->GetIntField(target, AwtComponent::xID);
7121 jint y = env->GetIntField(target, AwtComponent::yID);
7122 jint width = env->GetIntField(target, AwtComponent::widthID);
7123 jint height = env->GetIntField(target, AwtComponent::heightID);
7124
7125 /* Convert target origin to absolute coordinates */
7126 while (TRUE) {
7127
7128 jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7129 if (parent == NULL) {
7130 break;
7131 }
7132 x += env->GetIntField(parent, AwtComponent::xID);
7133 y += env->GetIntField(parent, AwtComponent::yID);
7134
7135 /* If this component has insets, factor them in, but ignore
7136 * top-level windows.
7137 */
7138 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7139 if (parent2 != NULL) {
7140 jobject peer = GetPeerForTarget(env, parent);
7141 if (peer != NULL &&
7142 JNU_IsInstanceOfByName(env, peer,
7143 "sun/awt/windows/WPanelPeer") > 0) {
7144 jobject insets =
7145 JNU_CallMethodByName(env, NULL, peer,"insets",
7146 "()Ljava/awt/Insets;").l;
7147 x += (env)->GetIntField(insets, AwtInsets::leftID);
7148 y += (env)->GetIntField(insets, AwtInsets::topID);
7149 }
7150 }
7151 env->DeleteLocalRef(target);
7152 target = parent;
7153 }
7154
7155 x = ScaleUpX(x);
7156 y = ScaleUpY(y);
7157 width = ScaleUpX(width);
7158 height = ScaleUpY(height);
7159
7160 // Test whether component's bounds match the native window's
7161 RECT rect;
7162 VERIFY(::GetWindowRect(GetHWnd(), &rect));
7163 #if 0
7164 DASSERT( (x == rect.left) &&
7165 (y == rect.top) &&
7166 (width == (rect.right-rect.left)) &&
7167 (height == (rect.bottom-rect.top)) );
7168 #else
7169 BOOL fSizeValid = ( (x == rect.left) &&
7170 (y == rect.top) &&
7171 (width == (rect.right-rect.left)) &&
7172 (height == (rect.bottom-rect.top)) );
7173 #endif
7174
7175 // See if visible state matches
7176 BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7177 jboolean targetVisible;
7178 // To avoid possibly running client code on the toolkit thread, don't
7179 // do the following check if we're running on the toolkit thread.
7180 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7181 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7182 "isShowing", "()Z").z;
7183 DASSERT(!safe_ExceptionOccurred(env));
7184 } else {
7185 targetVisible = wndVisible ? 1 : 0;
7186 }
7187 #if 0
7188 DASSERT( (targetVisible && wndVisible) ||
7189 (!targetVisible && !wndVisible) );
7190 #else
7191 BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7192 (!targetVisible && !wndVisible) );
7193 #endif
7194
7195 // Check enabled state
7196 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7197 jboolean enabled = (jboolean)env->GetBooleanField(target,
7198 AwtComponent::enabledID);
7199 #if 0
7200 DASSERT( (enabled && wndEnabled) ||
7201 (!enabled && !wndEnabled) );
7202 #else
7203 BOOL fEnabledValid = ((enabled && wndEnabled) ||
7204 (!(enabled && !wndEnabled) ));
7205
7206 if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7207 printf("AwtComponent::ValidateState() failed:\n");
7208 // To avoid possibly running client code on the toolkit thread, don't
7209 // do the following call if we're running on the toolkit thread.
7210 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7211 jstring targetStr =
7212 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7213 "getName",
7214 "()Ljava/lang/String;").l;
7215 DASSERT(!safe_ExceptionOccurred(env));
7216 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7217 printf("\t%S\n", targetStrW);
7218 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7219 }
7220 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height);
7221 if (!fSizeValid) {
7222 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7223 rect.right-rect.left, rect.bottom-rect.top);
7224 }
7225 if (!fVisibleValid) {
7226 printf("\tshould be: %s\n",
7227 (targetVisible) ? "visible" : "hidden");
7228 }
7229 if (!fEnabledValid) {
7230 printf("\tshould be: %s\n",
7231 enabled ? "enabled" : "disabled");
7232 }
7233 }
7234 #endif
7235 env->PopLocalFrame(0);
7236 }
7237 #endif //DEBUG
7238
7239 // Methods for globally managed DC list
7240
7241 /**
7242 * Add a new DC to the DC list for this component.
7243 */
7244 void DCList::AddDC(HDC hDC, HWND hWnd)
7245 {
7246 DCItem *newItem = new DCItem;
7247 newItem->hDC = hDC;
7248 newItem->hWnd = hWnd;
7249 AddDCItem(newItem);
7250 }
7251
7252 void DCList::AddDCItem(DCItem *newItem)
7253 {
7254 listLock.Enter();
7255 newItem->next = head;
7256 head = newItem;
7257 listLock.Leave();
7258 }
7259
7260 /**
7261 * Given a DC and window handle, remove the DC from the DC list
7262 * and return TRUE if it exists on the current list. Otherwise
7263 * return FALSE.
7264 * A DC may not exist on the list because it has already
7265 * been released elsewhere (for example, the window
7266 * destruction process may release a DC while a rendering
7267 * thread may also want to release a DC when it notices that
7268 * its DC is obsolete for the current window).
7269 */
7270 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd)
7271 {
7272 listLock.Enter();
7273 DCItem **prevPtrPtr = &head;
7274 DCItem *listPtr = head;
7275 while (listPtr) {
7276 DCItem *nextPtr = listPtr->next;
7277 if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) {
7278 *prevPtrPtr = nextPtr;
7279 break;
7280 }
7281 prevPtrPtr = &listPtr->next;
7282 listPtr = nextPtr;
7283 }
7284 listLock.Leave();
7285 return listPtr;
7286 }
7287
7288 /**
7289 * Remove all DCs from the DC list which are associated with
7290 * the same window as hWnd. Return the list of those
7291 * DC's to the caller (which will then probably want to
7292 * call ReleaseDC() for the returned DCs).
7293 */
7294 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7295 {
7296 listLock.Enter();
7297 DCItem **prevPtrPtr = &head;
7298 DCItem *listPtr = head;
7299 DCItem *newListPtr = NULL;
7300 BOOL ret = FALSE;
7301 while (listPtr) {
7302 DCItem *nextPtr = listPtr->next;
7303 if (listPtr->hWnd == hWnd) {
7304 *prevPtrPtr = nextPtr;
7305 listPtr->next = newListPtr;
7306 newListPtr = listPtr;
7307 } else {
7308 prevPtrPtr = &listPtr->next;
7309 }
7310 listPtr = nextPtr;
7311 }
7312 listLock.Leave();
7313 return newListPtr;
7314 }
7315
7316
7317 /**
7318 * Realize palettes of all existing HDC objects
7319 */
7320 void DCList::RealizePalettes(int screen)
7321 {
7322 listLock.Enter();
7323 DCItem *listPtr = head;
7324 while (listPtr) {
7325 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7326 listPtr = listPtr->next;
7327 }
7328 listLock.Leave();
7329 }
7330
7331 void MoveDCToPassiveList(HDC hDC, HWND hWnd) {
7332 DCItem *removedDC;
7333 if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) {
7334 passiveDCList.AddDCItem(removedDC);
7335 }
7336 }
7337
7338 void ReleaseDCList(HWND hwnd, DCList &list) {
7339 DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7340 while (removedDCs) {
7341 DCItem *tmpDCList = removedDCs;
7342 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7343 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7344 VERIFY(retValue != 0);
7345 if (retValue != 0) {
7346 // Valid ReleaseDC call; need to decrement GDI object counter
7347 AwtGDIObject::Decrement();
7348 }
7349 removedDCs = removedDCs->next;
7350 delete tmpDCList;
7351 }
7352 }