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