1 /*
2 * Copyright (c) 1996, 2017, 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 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE;
102
103 /************************************************************************/
104 // Struct for _Reshape() and ReshapeNoCheck() methods
105 struct ReshapeStruct {
106 jobject component;
107 jint x, y;
108 jint w, h;
109 };
110 // Struct for _NativeHandleEvent() method
111 struct NativeHandleEventStruct {
112 jobject component;
113 jobject event;
114 };
115 // Struct for _SetForeground() and _SetBackground() methods
116 struct SetColorStruct {
117 jobject component;
118 jint rgb;
119 };
120 // Struct for _SetFont() method
121 struct SetFontStruct {
122 jobject component;
123 jobject font;
124 };
125 // Struct for _CreatePrintedPixels() method
126 struct CreatePrintedPixelsStruct {
127 jobject component;
128 int srcx, srcy;
129 int srcw, srch;
130 jint alpha;
131 };
132 // Struct for _SetRectangularShape() method
133 struct SetRectangularShapeStruct {
134 jobject component;
135 jint x1, x2, y1, y2;
136 jobject region;
137 };
138 // Struct for _GetInsets function
139 struct GetInsetsStruct {
140 jobject window;
141 RECT *insets;
142 };
143 // Struct for _SetZOrder function
144 struct SetZOrderStruct {
145 jobject component;
146 jlong above;
147 };
148 // Struct for _SetFocus function
149 struct SetFocusStruct {
150 jobject component;
151 jboolean doSetFocus;
152 };
153 // Struct for _SetParent function
154 struct SetParentStruct {
155 jobject component;
156 jobject parentComp;
157 };
158 /************************************************************************/
159
160 //////////////////////////////////////////////////////////////////////////
161
162 /*************************************************************************
163 * AwtComponent fields
164 */
165
166
167 jfieldID AwtComponent::peerID;
168 jfieldID AwtComponent::xID;
169 jfieldID AwtComponent::yID;
170 jfieldID AwtComponent::widthID;
171 jfieldID AwtComponent::heightID;
172 jfieldID AwtComponent::visibleID;
173 jfieldID AwtComponent::backgroundID;
174 jfieldID AwtComponent::foregroundID;
175 jfieldID AwtComponent::enabledID;
176 jfieldID AwtComponent::parentID;
177 jfieldID AwtComponent::graphicsConfigID;
178 jfieldID AwtComponent::peerGCID;
179 jfieldID AwtComponent::focusableID;
180 jfieldID AwtComponent::appContextID;
181 jfieldID AwtComponent::cursorID;
182 jfieldID AwtComponent::hwndID;
183
184 jmethodID AwtComponent::getFontMID;
185 jmethodID AwtComponent::getToolkitMID;
186 jmethodID AwtComponent::isEnabledMID;
187 jmethodID AwtComponent::getLocationOnScreenMID;
188 jmethodID AwtComponent::replaceSurfaceDataMID;
189 jmethodID AwtComponent::replaceSurfaceDataLaterMID;
190 jmethodID AwtComponent::disposeLaterMID;
191
192 HKL AwtComponent::m_hkl = ::GetKeyboardLayout(0);
193 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0));
194 UINT AwtComponent::m_CodePage
195 = AwtComponent::LangToCodePage(m_idLang);
196
197 jint *AwtComponent::masks;
198
199 static BOOL bLeftShiftIsDown = false;
200 static BOOL bRightShiftIsDown = false;
201 static UINT lastShiftKeyPressed = 0; // init to safe value
202
203 // Added by waleed to initialize the RTL Flags
204 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC ||
205 PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW;
206 BOOL AwtComponent::sm_rtlReadingOrder =
207 PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC;
208
209 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE;
210
211 HWND AwtComponent::sm_cursorOn;
212 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE;
213
214 CriticalSection windowMoveLock;
215 BOOL windowMoveLockHeld = FALSE;
216
217 /************************************************************************
218 * AwtComponent methods
219 */
220
221 AwtComponent::AwtComponent()
222 {
223 m_mouseButtonClickAllowed = 0;
224 m_touchDownOccurred = FALSE;
225 m_touchUpOccurred = FALSE;
226 m_touchDownPoint.x = m_touchDownPoint.y = 0;
227 m_touchUpPoint.x = m_touchUpPoint.y = 0;
228 m_callbacksEnabled = FALSE;
229 m_hwnd = NULL;
230
231 m_colorForeground = 0;
232 m_colorBackground = 0;
233 m_backgroundColorSet = FALSE;
234 m_penForeground = NULL;
235 m_brushBackground = NULL;
236 m_DefWindowProc = NULL;
237 m_nextControlID = 1;
238 m_childList = NULL;
239 m_myControlID = 0;
240 m_hdwp = NULL;
241 m_validationNestCount = 0;
242
243 m_dropTarget = NULL;
244
245 m_InputMethod = NULL;
246 m_useNativeCompWindow = TRUE;
247 m_PendingLeadByte = 0;
248 m_bitsCandType = 0;
249
250 windowMoveLockPosX = 0;
251 windowMoveLockPosY = 0;
252 windowMoveLockPosCX = 0;
253 windowMoveLockPosCY = 0;
254
255 m_hCursorCache = NULL;
256
257 m_bSubclassed = FALSE;
258 m_bPauseDestroy = FALSE;
259
260 m_MessagesProcessing = 0;
261 m_wheelRotationAmount = 0;
262 if (!sm_PrimaryDynamicTableBuilt) {
263 // do it once.
264 AwtComponent::BuildPrimaryDynamicTable();
265 sm_PrimaryDynamicTableBuilt = TRUE;
266 }
267
268 deadKeyActive = FALSE;
269 }
270
271 AwtComponent::~AwtComponent()
272 {
273 DASSERT(AwtToolkit::IsMainThread());
274
275 /*
276 * All the messages for this component are processed, native
277 * resources are freed, and Java object is not connected to
278 * the native one anymore. So we can safely destroy component's
279 * handle.
280 */
281 DestroyHWnd();
282 }
283
284 void AwtComponent::Dispose()
285 {
286 DASSERT(AwtToolkit::IsMainThread());
287
288 // NOTE: in case the component/toplevel was focused, Java should
289 // have already taken care of proper transferring it or clearing.
290
291 if (m_hdwp != NULL) {
292 // end any deferred window positioning, regardless
293 // of m_validationNestCount
294 ::EndDeferWindowPos(m_hdwp);
295 }
296
297 // Send final message to release all DCs associated with this component
298 SendMessage(WM_AWT_RELEASE_ALL_DCS);
299
300 /* Stop message filtering. */
301 UnsubclassHWND();
302
303 /* Release global ref to input method */
304 SetInputMethod(NULL, TRUE);
305
306 if (m_childList != NULL) {
307 delete m_childList;
308 m_childList = NULL;
309 }
310
311 DestroyDropTarget();
312 ReleaseDragCapture(0);
313
314 if (m_myControlID != 0) {
315 AwtComponent* parent = GetParent();
316 if (parent != NULL)
317 parent->RemoveChild(m_myControlID);
318 }
319
320 ::RemoveProp(GetHWnd(), DrawingStateProp);
321
322 /* Release any allocated resources. */
323 if (m_penForeground != NULL) {
324 m_penForeground->Release();
325 m_penForeground = NULL;
326 }
327 if (m_brushBackground != NULL) {
328 m_brushBackground->Release();
329 m_brushBackground = NULL;
330 }
331
332 /* Disconnect all links. */
333 UnlinkObjects();
334
335 if (m_bPauseDestroy) {
336 // AwtComponent::WmNcDestroy could be released now
337 m_bPauseDestroy = FALSE;
338 m_hwnd = NULL;
339 }
340
341 // The component instance is deleted using AwtObject::Dispose() method
342 AwtObject::Dispose();
343 }
344
345 /* store component pointer in window extra bytes */
346 void AwtComponent::SetComponentInHWND() {
347 DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL);
348 ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this);
349 }
350
351 /*
352 * static function to get AwtComponent pointer from hWnd --
353 * you don't want to call this from inside a wndproc to avoid
354 * infinite recursion
355 */
356 AwtComponent* AwtComponent::GetComponent(HWND hWnd) {
357 // Requests for Toolkit hwnd resolution happen pretty often. Check first.
358 if (hWnd == AwtToolkit::GetInstance().GetHWnd()) {
359 return NULL;
360 }
361
362 // check that it's an AWT component from the same toolkit as the caller
363 if (::IsWindow(hWnd) &&
364 AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL))
365 {
366 DASSERT(WmAwtIsComponent != 0);
367 if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) {
368 return GetComponentImpl(hWnd);
369 }
370 }
371 return NULL;
372 }
373
374 /*
375 * static function to get AwtComponent pointer from hWnd--
376 * different from GetComponent because caller knows the
377 * hwnd is an AWT component hwnd
378 */
379 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) {
380 AwtComponent *component =
381 (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA);
382 DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) );
383 DASSERT(!component || component->GetHWnd() == hWnd );
384 return component;
385 }
386
387 /*
388 * Single window proc for all the components. Delegates real work to
389 * the component's WindowProc() member function.
390 */
391 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message,
392 WPARAM wParam, LPARAM lParam)
393 {
394 TRY;
395
396 AwtComponent * self = AwtComponent::GetComponentImpl(hWnd);
397 if (self == NULL || self->GetHWnd() != hWnd ||
398 message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully
399 {
400 return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam);
401 } else {
402 return self->WindowProc(message, wParam, lParam);
403 }
404
405 CATCH_BAD_ALLOC_RET(0);
406 }
407
408 BOOL AwtComponent::IsFocusable() {
409 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
410 jobject peer = GetPeer(env);
411 jobject target = env->GetObjectField(peer, AwtObject::targetID);
412 BOOL res = env->GetBooleanField(target, focusableID);
413 AwtWindow *pCont = GetContainer();
414 if (pCont) {
415 res &= pCont->IsFocusableWindow();
416 }
417 env->DeleteLocalRef(target);
418 return res;
419 }
420
421 /************************************************************************
422 * AwtComponent dynamic methods
423 *
424 * Window class registration routines
425 */
426
427 /*
428 * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon
429 */
430 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc)
431 {
432 lpwc->cbSize = sizeof(WNDCLASSEX);
433 lpwc->style = 0L;//CS_OWNDC;
434 lpwc->lpfnWndProc = (WNDPROC)::DefWindowProc;
435 lpwc->cbClsExtra = 0;
436 lpwc->cbWndExtra = 0;
437 lpwc->hInstance = AwtToolkit::GetInstance().GetModuleHandle(),
438 lpwc->hIcon = AwtToolkit::GetInstance().GetAwtIcon();
439 lpwc->hCursor = NULL;
440 lpwc->hbrBackground = NULL;
441 lpwc->lpszMenuName = NULL;
442 lpwc->lpszClassName = GetClassName();
443 //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32
444 lpwc->hIconSm = AwtToolkit::GetInstance().GetAwtIconSm();
445 }
446
447 void AwtComponent::RegisterClass()
448 {
449 WNDCLASSEX wc;
450 if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) {
451 FillClassInfo(&wc);
452 ATOM ret = ::RegisterClassEx(&wc);
453 DASSERT(ret != 0);
454 }
455 }
456
457 void AwtComponent::UnregisterClass()
458 {
459 ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle());
460 }
461
462 /*
463 * Copy the graphicsConfig reference from Component into WComponentPeer
464 */
465 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer)
466 {
467 jobject target = env->GetObjectField(peer, AwtObject::targetID);
468 //Get graphicsConfig object ref from Component
469 jobject compGC = env->GetObjectField(target,
470 AwtComponent::graphicsConfigID);
471
472 //Set peer's graphicsConfig to Component's graphicsConfig
473 if (compGC != NULL) {
474 jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig");
475 DASSERT(win32GCCls != NULL);
476 DASSERT(env->IsInstanceOf(compGC, win32GCCls));
477 if (win32GCCls == NULL) {
478 throw std::bad_alloc();
479 }
480 env->SetObjectField(peer, AwtComponent::peerGCID, compGC);
481 }
482 }
483
484 void
485 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title,
486 DWORD windowStyle,
487 DWORD windowExStyle,
488 int x, int y, int w, int h,
489 HWND hWndParent, HMENU hMenu,
490 COLORREF colorForeground,
491 COLORREF colorBackground,
492 jobject peer)
493 {
494 if (env->EnsureLocalCapacity(2) < 0) {
495 return;
496 }
497
498 /*
499 * The window class of multifont label must be "BUTTON" because
500 * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject
501 * member is referred in the GetClassName method of AwtLabel class.
502 * So m_peerObject member must be set here.
503 */
504 if (m_peerObject == NULL) {
505 m_peerObject = env->NewGlobalRef(peer);
506 } else {
507 assert(env->IsSameObject(m_peerObject, peer));
508 }
509
510 RegisterClass();
511
512 jobject target = env->GetObjectField(peer, AwtObject::targetID);
513 jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID);
514 m_visible = visible;
515
516 if (visible) {
517 windowStyle |= WS_VISIBLE;
518 } else {
519 windowStyle &= ~WS_VISIBLE;
520 }
521
522 InitPeerGraphicsConfig(env, peer);
523
524 SetLastError(0);
525 HWND hwnd = ::CreateWindowEx(windowExStyle,
526 GetClassName(),
527 title,
528 windowStyle,
529 x, y, w, h,
530 hWndParent,
531 hMenu,
532 AwtToolkit::GetInstance().GetModuleHandle(),
533 NULL);
534
535 // fix for 5088782
536 // check if CreateWindowsEx() returns not null value and if it does -
537 // create an InternalError or OutOfMemoryError based on GetLastError().
538 // This error is set to createError field of WObjectPeer and then
539 // checked and thrown in WComponentPeer constructor. We can't throw an
540 // error here because this code is invoked on Toolkit thread
541 if (hwnd == NULL)
542 {
543 DWORD dw = ::GetLastError();
544 jobject createError = NULL;
545 if (dw == ERROR_OUTOFMEMORY)
546 {
547 jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles");
548 if (errorMsg == NULL || env->ExceptionCheck()) {
549 env->ExceptionClear();
550 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V");
551 } else {
552 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError",
553 "(Ljava/lang/String;)V",
554 errorMsg);
555 env->DeleteLocalRef(errorMsg);
556 }
557 }
558 else
559 {
560 TCHAR *buf;
561 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
562 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
563 (LPTSTR)&buf, 0, NULL);
564 jstring s = JNU_NewStringPlatform(env, buf);
565 if (s == NULL || env->ExceptionCheck()) {
566 env->ExceptionClear();
567 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V");
568 } else {
569 createError = JNU_NewObjectByName(env, "java/lang/InternalError",
570 "(Ljava/lang/String;)V", s);
571 env->DeleteLocalRef(s);
572 }
573 LocalFree(buf);
574 }
575 if (createError != NULL) {
576 env->SetObjectField(peer, AwtObject::createErrorID, createError);
577 env->DeleteLocalRef(createError);
578 }
579 env->DeleteLocalRef(target);
580 return;
581 }
582
583 m_hwnd = hwnd;
584
585 ::ImmAssociateContext(m_hwnd, NULL);
586
587 SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED |
588 (jint)JAWT_LOCK_BOUNDS_CHANGED |
589 (jint)JAWT_LOCK_CLIP_CHANGED);
590
591 LinkObjects(env, peer);
592
593 /* Subclass the window now so that we can snoop on its messages */
594 SubclassHWND();
595
596 AwtToolkit& tk = AwtToolkit::GetInstance();
597 if (tk.IsWin8OrLater() && tk.IsTouchKeyboardAutoShowEnabled()) {
598 tk.TIRegisterTouchWindow(GetHWnd(), TWF_WANTPALM);
599 }
600
601 /*
602 * Fix for 4046446.
603 */
604 SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE);
605
606 /* Set default colors. */
607 m_colorForeground = colorForeground;
608 m_colorBackground = colorBackground;
609
610 /*
611 * Only set background color if the color is actually set on the
612 * target -- this avoids inheriting a parent's color unnecessarily,
613 * and has to be done here because there isn't an API to get the
614 * real background color from outside the AWT package.
615 */
616 jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ;
617 if (bkgrd != NULL) {
618 JNU_CallMethodByName(env, NULL, peer, "setBackground",
619 "(Ljava/awt/Color;)V", bkgrd);
620 DASSERT(!safe_ExceptionOccurred(env));
621 }
622 env->DeleteLocalRef(target);
623 env->DeleteLocalRef(bkgrd);
624 }
625
626 /*
627 * Destroy this window's HWND
628 */
629 void AwtComponent::DestroyHWnd() {
630 if (m_hwnd != NULL) {
631 AwtToolkit::DestroyComponentHWND(m_hwnd);
632 //AwtToolkit::DestroyComponent(this);
633 m_hwnd = NULL;
634 }
635 }
636
637 /*
638 * Returns hwnd for target on non Toolkit thread
639 */
640 HWND
641 AwtComponent::GetHWnd(JNIEnv* env, jobject target) {
642 if (JNU_IsNull(env, target)) {
643 return 0;
644 }
645 jobject peer = env->GetObjectField(target, AwtComponent::peerID);
646 if (JNU_IsNull(env, peer)) {
647 return 0;
648 }
649 HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> (
650 env->GetLongField(peer, AwtComponent::hwndID)));
651 env->DeleteLocalRef(peer);
652 return hwnd;
653 }
654 //
655 // Propagate the background color to synchronize Java field and peer's field.
656 // This is needed to fix 4148334
657 //
658 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target)
659 {
660 if (env->EnsureLocalCapacity(1) < 0) {
661 return;
662 }
663
664 jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID);
665
666 if (bkgrnd == NULL) {
667 bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V",
668 GetRValue(m_colorBackground),
669 GetGValue(m_colorBackground),
670 GetBValue(m_colorBackground));
671 if (bkgrnd != NULL) {
672 env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd);
673 }
674 }
675 env->DeleteLocalRef(bkgrnd);
676 }
677
678 /*
679 * Install our window proc as the proc for our HWND, and save off the
680 * previous proc as the default
681 */
682 void AwtComponent::SubclassHWND()
683 {
684 if (m_bSubclassed) {
685 return;
686 }
687 const WNDPROC wndproc = WndProc; // let compiler type check WndProc
688 m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc);
689 m_bSubclassed = TRUE;
690 }
691
692 /*
693 * Reinstall the original window proc as the proc for our HWND
694 */
695 void AwtComponent::UnsubclassHWND()
696 {
697 if (!m_bSubclassed) {
698 return;
699 }
700 ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc);
701 m_bSubclassed = FALSE;
702 }
703
704 /////////////////////////////////////
705 // (static method)
706 // Determines the top-level ancestor for a given window. If the given
707 // window is a top-level window, return itself.
708 //
709 // 'Top-level' includes dialogs as well.
710 //
711 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) {
712 if (hwndDescendant == NULL) {
713 return NULL;
714 }
715
716 DASSERT(IsWindow(hwndDescendant));
717 HWND hwnd = hwndDescendant;
718 for(;;) {
719 DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
720 // a) found a non-child window so terminate
721 // b) found real toplevel window (e.g. EmbeddedFrame
722 // that is child though)
723 if ( (style & WS_CHILD) == 0 ||
724 AwtComponent::IsTopLevelHWnd(hwnd) )
725 {
726 break;
727 }
728 hwnd = ::GetParent(hwnd);
729 }
730
731 return hwnd;
732 }
733 ////////////////////
734
735 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) {
736 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
737 if (env->EnsureLocalCapacity(1) < 0) {
738 return NULL;
739 }
740
741 HWND hit = NULL;
742 POINT p = { 0, 0 };
743 AwtComponent *comp = NULL;
744
745 if (useCache) {
746 if (sm_cursorOn == NULL) {
747 return NULL;
748 }
749
750
751 DASSERT(::IsWindow(sm_cursorOn));
752 VERIFY(::GetCursorPos(&p));
753 /*
754 * Fix for BugTraq ID 4304024.
755 * Allow a non-default cursor only for the client area.
756 */
757 comp = AwtComponent::GetComponent(sm_cursorOn);
758 if (comp != NULL &&
759 ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0,
760 MAKELPARAM(p.x, p.y)) == HTCLIENT) {
761 goto found;
762 }
763 }
764
765 ::GetCursorPos(&p);
766 hit = ::WindowFromPoint(p);
767 while (hit != NULL) {
768 comp = AwtComponent::GetComponent(hit);
769
770 if (comp != NULL) {
771 INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST,
772 0, MAKELPARAM(p.x, p.y));
773 /*
774 * Fix for BugTraq ID 4304024.
775 * Allow a non-default cursor only for the client area.
776 */
777 if (nHittest != HTCLIENT) {
778 /*
779 * When over the non-client area, send WM_SETCURSOR
780 * to revert the cursor to an arrow.
781 */
782 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit,
783 MAKELPARAM(nHittest, WM_MOUSEMOVE));
784 return NULL;
785 } else {
786 sm_cursorOn = hit;
787 goto found;
788 }
789 }
790
791 if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) {
792 return NULL;
793 }
794 hit = ::GetParent(hit);
795 }
796
797 return NULL;
798
799 found:
800 jobject localRef = comp->GetTarget(env);
801 jobject globalRef = env->NewGlobalRef(localRef);
802 env->DeleteLocalRef(localRef);
803 return globalRef;
804 }
805
806 void AwtComponent::SetColor(COLORREF c)
807 {
808 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
809 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
810 if (grayscale != GS_NOTGRAY) {
811 int g;
812
813 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
814 .114 * ((c >> 16) & 0xFF) + 0.5);
815 // c = g | (g << 8) | (g << 16);
816 c = PALETTERGB(g, g, g);
817 }
818
819 if (m_colorForeground == c) {
820 return;
821 }
822
823 m_colorForeground = c;
824 if (m_penForeground != NULL) {
825 m_penForeground->Release();
826 m_penForeground = NULL;
827 }
828 VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE));
829 }
830
831 void AwtComponent::SetBackgroundColor(COLORREF c)
832 {
833 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
834 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
835 if (grayscale != GS_NOTGRAY) {
836 int g;
837
838 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
839 .114 * ((c >> 16) & 0xFF) + 0.5);
840 // c = g | (g << 8) | (g << 16);
841 c = PALETTERGB(g, g, g);
842 }
843
844 if (m_colorBackground == c) {
845 return;
846 }
847 m_colorBackground = c;
848 m_backgroundColorSet = TRUE;
849 if (m_brushBackground != NULL) {
850 m_brushBackground->Release();
851 m_brushBackground = NULL;
852 }
853 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
854 }
855
856 HPEN AwtComponent::GetForegroundPen()
857 {
858 if (m_penForeground == NULL) {
859 m_penForeground = AwtPen::Get(m_colorForeground);
860 }
861 return (HPEN)m_penForeground->GetHandle();
862 }
863
864 COLORREF AwtComponent::GetBackgroundColor()
865 {
866 if (m_backgroundColorSet == FALSE) {
867 AwtComponent* c = this;
868 while ((c = c->GetParent()) != NULL) {
869 if (c->IsBackgroundColorSet()) {
870 return c->GetBackgroundColor();
871 }
872 }
873 }
874 return m_colorBackground;
875 }
876
877 HBRUSH AwtComponent::GetBackgroundBrush()
878 {
879 if (m_backgroundColorSet == FALSE) {
880 if (m_brushBackground != NULL) {
881 m_brushBackground->Release();
882 m_brushBackground = NULL;
883 }
884 AwtComponent* c = this;
885 while ((c = c->GetParent()) != NULL) {
886 if (c->IsBackgroundColorSet()) {
887 m_brushBackground =
888 AwtBrush::Get(c->GetBackgroundColor());
889 break;
890 }
891 }
892 }
893 if (m_brushBackground == NULL) {
894 m_brushBackground = AwtBrush::Get(m_colorBackground);
895 }
896 return (HBRUSH)m_brushBackground->GetHandle();
897 }
898
899 void AwtComponent::SetFont(AwtFont* font)
900 {
901 DASSERT(font != NULL);
902 if (font->GetAscent() < 0) {
903 AwtFont::SetupAscent(font);
904 }
905 SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0));
906 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
907 }
908
909 AwtComponent* AwtComponent::GetParent()
910 {
911 HWND hwnd = ::GetParent(GetHWnd());
912 if (hwnd == NULL) {
913 return NULL;
914 }
915 return GetComponent(hwnd);
916 }
917
918 AwtWindow* AwtComponent::GetContainer()
919 {
920 AwtComponent* comp = this;
921 while (comp != NULL) {
922 if (comp->IsContainer()) {
923 return (AwtWindow*)comp;
924 }
925 comp = comp->GetParent();
926 }
927 return NULL;
928 }
929
930 void AwtComponent::Show()
931 {
932 m_visible = true;
933 ::ShowWindow(GetHWnd(), SW_SHOWNA);
934 }
935
936 void AwtComponent::Hide()
937 {
938 m_visible = false;
939 ::ShowWindow(GetHWnd(), SW_HIDE);
940 }
941
942 BOOL
943 AwtComponent::SetWindowPos(HWND wnd, HWND after,
944 int x, int y, int w, int h, UINT flags)
945 {
946 // Conditions we shouldn't handle:
947 // z-order changes, correct window dimensions
948 if (after != NULL || (w < 32767 && h < 32767)
949 || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0))
950 {
951 return ::SetWindowPos(wnd, after, x, y, w, h, flags);
952 }
953 WINDOWPLACEMENT wp;
954 ::ZeroMemory(&wp, sizeof(wp));
955
956 wp.length = sizeof(wp);
957 ::GetWindowPlacement(wnd, &wp);
958 wp.rcNormalPosition.left = x;
959 wp.rcNormalPosition.top = y;
960 wp.rcNormalPosition.right = x + w;
961 wp.rcNormalPosition.bottom = y + h;
962 if ( flags & SWP_NOACTIVATE ) {
963 wp.showCmd = SW_SHOWNOACTIVATE;
964 }
965 ::SetWindowPlacement(wnd, &wp);
966 return 1;
967 }
968
969
970 void AwtComponent::Reshape(int x, int y, int w, int h)
971 {
972 #if defined(DEBUG)
973 RECT rc;
974 ::GetWindowRect(GetHWnd(), &rc);
975 ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2);
976 DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top);
977 #endif
978 AwtWindow* container = GetContainer();
979 AwtComponent* parent = GetParent();
980 if (container != NULL && container == parent) {
981 container->SubtractInsetPoint(x, y);
982 }
983 DTRACE_PRINTLN4("AwtComponent::Reshape to %d, %d, %d, %d", x, y, w, h);
984 UINT flags = SWP_NOACTIVATE | SWP_NOZORDER;
985
986 RECT r;
987
988 ::GetWindowRect(GetHWnd(), &r);
989 // if the component size is changing , don't copy window bits
990 if (r.right - r.left != w || r.bottom - r.top != h) {
991 flags |= SWP_NOCOPYBITS;
992 }
993
994 if (parent && _tcscmp(parent->GetClassName(), TEXT("SunAwtScrollPane")) == 0) {
995 if (x > 0) {
996 x = 0;
997 }
998 if (y > 0) {
999 y = 0;
1000 }
1001 }
1002 if (m_hdwp != NULL) {
1003 m_hdwp = ::DeferWindowPos(m_hdwp, GetHWnd(), 0, x, y, w, h, flags);
1004 DASSERT(m_hdwp != NULL);
1005 } else {
1006 /*
1007 * Fox for 4046446
1008 * If window has dimensions above the short int limit, ::SetWindowPos doesn't work.
1009 * We should use SetWindowPlacement instead.
1010 */
1011 SetWindowPos(GetHWnd(), 0, x, y, w, h, flags);
1012 }
1013 }
1014
1015 void AwtComponent::SetScrollValues(UINT bar, int min, int value, int max)
1016 {
1017 int minTmp, maxTmp;
1018
1019 ::GetScrollRange(GetHWnd(), bar, &minTmp, &maxTmp);
1020 if (min == INT_MAX) {
1021 min = minTmp;
1022 }
1023 if (value == INT_MAX) {
1024 value = ::GetScrollPos(GetHWnd(), bar);
1025 }
1026 if (max == INT_MAX) {
1027 max = maxTmp;
1028 }
1029 if (min == max) {
1030 max++;
1031 }
1032 ::SetScrollRange(GetHWnd(), bar, min, max, FALSE);
1033 ::SetScrollPos(GetHWnd(), bar, value, TRUE);
1034 }
1035
1036 /*
1037 * Save Global Reference of sun.awt.windows.WInputMethod object
1038 */
1039 void AwtComponent::SetInputMethod(jobject im, BOOL useNativeCompWindow)
1040 {
1041 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1042
1043 if (m_InputMethod!=NULL)
1044 env->DeleteGlobalRef(m_InputMethod);
1045
1046 if (im!=NULL){
1047 m_InputMethod = env->NewGlobalRef(im);
1048 m_useNativeCompWindow = useNativeCompWindow;
1049 } else {
1050 m_InputMethod = NULL;
1051 m_useNativeCompWindow = TRUE;
1052 }
1053
1054 }
1055
1056 /*
1057 * Opportunity to process and/or eat a message before it is dispatched
1058 */
1059 MsgRouting AwtComponent::PreProcessMsg(MSG& msg)
1060 {
1061 return mrPassAlong;
1062 }
1063
1064 static UINT lastMessage = WM_NULL;
1065
1066 #ifndef SPY_MESSAGES
1067 #define SpyWinMessage(hwin,msg,str)
1068 #else
1069
1070 #define FMT_MSG(x,y) case x: _stprintf(szBuf, \
1071 "0x%8.8x(%s):%s\n", hwnd, szComment, y); break;
1072 #define WIN_MSG(x) FMT_MSG(x,#x)
1073
1074 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) {
1075
1076 TCHAR szBuf[256];
1077
1078 switch (message) {
1079 WIN_MSG(WM_NULL)
1080 WIN_MSG(WM_CREATE)
1081 WIN_MSG(WM_DESTROY)
1082 WIN_MSG(WM_MOVE)
1083 WIN_MSG(WM_SIZE)
1084 WIN_MSG(WM_ACTIVATE)
1085 WIN_MSG(WM_SETFOCUS)
1086 WIN_MSG(WM_KILLFOCUS)
1087 WIN_MSG(WM_ENABLE)
1088 WIN_MSG(WM_SETREDRAW)
1089 WIN_MSG(WM_SETTEXT)
1090 WIN_MSG(WM_GETTEXT)
1091 WIN_MSG(WM_GETTEXTLENGTH)
1092 WIN_MSG(WM_PAINT)
1093 WIN_MSG(WM_CLOSE)
1094 WIN_MSG(WM_QUERYENDSESSION)
1095 WIN_MSG(WM_QUIT)
1096 WIN_MSG(WM_QUERYOPEN)
1097 WIN_MSG(WM_ERASEBKGND)
1098 WIN_MSG(WM_SYSCOLORCHANGE)
1099 WIN_MSG(WM_ENDSESSION)
1100 WIN_MSG(WM_SHOWWINDOW)
1101 FMT_MSG(WM_WININICHANGE,"WM_WININICHANGE/WM_SETTINGCHANGE")
1102 WIN_MSG(WM_DEVMODECHANGE)
1103 WIN_MSG(WM_ACTIVATEAPP)
1104 WIN_MSG(WM_FONTCHANGE)
1105 WIN_MSG(WM_TIMECHANGE)
1106 WIN_MSG(WM_CANCELMODE)
1107 WIN_MSG(WM_SETCURSOR)
1108 WIN_MSG(WM_MOUSEACTIVATE)
1109 WIN_MSG(WM_CHILDACTIVATE)
1110 WIN_MSG(WM_QUEUESYNC)
1111 WIN_MSG(WM_GETMINMAXINFO)
1112 WIN_MSG(WM_PAINTICON)
1113 WIN_MSG(WM_ICONERASEBKGND)
1114 WIN_MSG(WM_NEXTDLGCTL)
1115 WIN_MSG(WM_SPOOLERSTATUS)
1116 WIN_MSG(WM_DRAWITEM)
1117 WIN_MSG(WM_MEASUREITEM)
1118 WIN_MSG(WM_DELETEITEM)
1119 WIN_MSG(WM_VKEYTOITEM)
1120 WIN_MSG(WM_CHARTOITEM)
1121 WIN_MSG(WM_SETFONT)
1122 WIN_MSG(WM_GETFONT)
1123 WIN_MSG(WM_SETHOTKEY)
1124 WIN_MSG(WM_GETHOTKEY)
1125 WIN_MSG(WM_QUERYDRAGICON)
1126 WIN_MSG(WM_COMPAREITEM)
1127 FMT_MSG(0x003D, "WM_GETOBJECT")
1128 WIN_MSG(WM_COMPACTING)
1129 WIN_MSG(WM_COMMNOTIFY)
1130 WIN_MSG(WM_WINDOWPOSCHANGING)
1131 WIN_MSG(WM_WINDOWPOSCHANGED)
1132 WIN_MSG(WM_POWER)
1133 WIN_MSG(WM_COPYDATA)
1134 WIN_MSG(WM_CANCELJOURNAL)
1135 WIN_MSG(WM_NOTIFY)
1136 WIN_MSG(WM_INPUTLANGCHANGEREQUEST)
1137 WIN_MSG(WM_INPUTLANGCHANGE)
1138 WIN_MSG(WM_TCARD)
1139 WIN_MSG(WM_HELP)
1140 WIN_MSG(WM_USERCHANGED)
1141 WIN_MSG(WM_NOTIFYFORMAT)
1142 WIN_MSG(WM_CONTEXTMENU)
1143 WIN_MSG(WM_STYLECHANGING)
1144 WIN_MSG(WM_STYLECHANGED)
1145 WIN_MSG(WM_DISPLAYCHANGE)
1146 WIN_MSG(WM_GETICON)
1147 WIN_MSG(WM_SETICON)
1148 WIN_MSG(WM_NCCREATE)
1149 WIN_MSG(WM_NCDESTROY)
1150 WIN_MSG(WM_NCCALCSIZE)
1151 WIN_MSG(WM_NCHITTEST)
1152 WIN_MSG(WM_NCPAINT)
1153 WIN_MSG(WM_NCACTIVATE)
1154 WIN_MSG(WM_GETDLGCODE)
1155 WIN_MSG(WM_SYNCPAINT)
1156 WIN_MSG(WM_NCMOUSEMOVE)
1157 WIN_MSG(WM_NCLBUTTONDOWN)
1158 WIN_MSG(WM_NCLBUTTONUP)
1159 WIN_MSG(WM_NCLBUTTONDBLCLK)
1160 WIN_MSG(WM_NCRBUTTONDOWN)
1161 WIN_MSG(WM_NCRBUTTONUP)
1162 WIN_MSG(WM_NCRBUTTONDBLCLK)
1163 WIN_MSG(WM_NCMBUTTONDOWN)
1164 WIN_MSG(WM_NCMBUTTONUP)
1165 WIN_MSG(WM_NCMBUTTONDBLCLK)
1166 WIN_MSG(WM_KEYDOWN)
1167 WIN_MSG(WM_KEYUP)
1168 WIN_MSG(WM_CHAR)
1169 WIN_MSG(WM_DEADCHAR)
1170 WIN_MSG(WM_SYSKEYDOWN)
1171 WIN_MSG(WM_SYSKEYUP)
1172 WIN_MSG(WM_SYSCHAR)
1173 WIN_MSG(WM_SYSDEADCHAR)
1174 WIN_MSG(WM_IME_STARTCOMPOSITION)
1175 WIN_MSG(WM_IME_ENDCOMPOSITION)
1176 WIN_MSG(WM_IME_COMPOSITION)
1177 WIN_MSG(WM_INITDIALOG)
1178 WIN_MSG(WM_COMMAND)
1179 WIN_MSG(WM_SYSCOMMAND)
1180 WIN_MSG(WM_TIMER)
1181 WIN_MSG(WM_HSCROLL)
1182 WIN_MSG(WM_VSCROLL)
1183 WIN_MSG(WM_INITMENU)
1184 WIN_MSG(WM_INITMENUPOPUP)
1185 WIN_MSG(WM_MENUSELECT)
1186 WIN_MSG(WM_MENUCHAR)
1187 WIN_MSG(WM_ENTERIDLE)
1188 FMT_MSG(0x0122, "WM_MENURBUTTONUP")
1189 FMT_MSG(0x0123, "WM_MENUDRAG")
1190 FMT_MSG(0x0124, "WM_MENUGETOBJECT")
1191 FMT_MSG(0x0125, "WM_UNINITMENUPOPUP")
1192 FMT_MSG(0x0126, "WM_MENUCOMMAND")
1193 WIN_MSG(WM_CTLCOLORMSGBOX)
1194 WIN_MSG(WM_CTLCOLOREDIT)
1195 WIN_MSG(WM_CTLCOLORLISTBOX)
1196 WIN_MSG(WM_CTLCOLORBTN)
1197 WIN_MSG(WM_CTLCOLORDLG)
1198 WIN_MSG(WM_CTLCOLORSCROLLBAR)
1199 WIN_MSG(WM_CTLCOLORSTATIC)
1200 WIN_MSG(WM_MOUSEMOVE)
1201 WIN_MSG(WM_LBUTTONDOWN)
1202 WIN_MSG(WM_LBUTTONUP)
1203 WIN_MSG(WM_LBUTTONDBLCLK)
1204 WIN_MSG(WM_RBUTTONDOWN)
1205 WIN_MSG(WM_RBUTTONUP)
1206 WIN_MSG(WM_RBUTTONDBLCLK)
1207 WIN_MSG(WM_MBUTTONDOWN)
1208 WIN_MSG(WM_MBUTTONUP)
1209 WIN_MSG(WM_MBUTTONDBLCLK)
1210 WIN_MSG(WM_XBUTTONDBLCLK)
1211 WIN_MSG(WM_XBUTTONDOWN)
1212 WIN_MSG(WM_XBUTTONUP)
1213 WIN_MSG(WM_MOUSEWHEEL)
1214 WIN_MSG(WM_PARENTNOTIFY)
1215 WIN_MSG(WM_ENTERMENULOOP)
1216 WIN_MSG(WM_EXITMENULOOP)
1217 WIN_MSG(WM_NEXTMENU)
1218 WIN_MSG(WM_SIZING)
1219 WIN_MSG(WM_CAPTURECHANGED)
1220 WIN_MSG(WM_MOVING)
1221 WIN_MSG(WM_POWERBROADCAST)
1222 WIN_MSG(WM_DEVICECHANGE)
1223 WIN_MSG(WM_MDICREATE)
1224 WIN_MSG(WM_MDIDESTROY)
1225 WIN_MSG(WM_MDIACTIVATE)
1226 WIN_MSG(WM_MDIRESTORE)
1227 WIN_MSG(WM_MDINEXT)
1228 WIN_MSG(WM_MDIMAXIMIZE)
1229 WIN_MSG(WM_MDITILE)
1230 WIN_MSG(WM_MDICASCADE)
1231 WIN_MSG(WM_MDIICONARRANGE)
1232 WIN_MSG(WM_MDIGETACTIVE)
1233 WIN_MSG(WM_MDISETMENU)
1234 WIN_MSG(WM_ENTERSIZEMOVE)
1235 WIN_MSG(WM_EXITSIZEMOVE)
1236 WIN_MSG(WM_DROPFILES)
1237 WIN_MSG(WM_MDIREFRESHMENU)
1238 WIN_MSG(WM_IME_SETCONTEXT)
1239 WIN_MSG(WM_IME_NOTIFY)
1240 WIN_MSG(WM_IME_CONTROL)
1241 WIN_MSG(WM_IME_COMPOSITIONFULL)
1242 WIN_MSG(WM_IME_SELECT)
1243 WIN_MSG(WM_IME_CHAR)
1244 FMT_MSG(WM_IME_REQUEST)
1245 WIN_MSG(WM_IME_KEYDOWN)
1246 WIN_MSG(WM_IME_KEYUP)
1247 FMT_MSG(0x02A1, "WM_MOUSEHOVER")
1248 FMT_MSG(0x02A3, "WM_MOUSELEAVE")
1249 WIN_MSG(WM_CUT)
1250 WIN_MSG(WM_COPY)
1251 WIN_MSG(WM_PASTE)
1252 WIN_MSG(WM_CLEAR)
1253 WIN_MSG(WM_UNDO)
1254 WIN_MSG(WM_RENDERFORMAT)
1255 WIN_MSG(WM_RENDERALLFORMATS)
1256 WIN_MSG(WM_DESTROYCLIPBOARD)
1257 WIN_MSG(WM_DRAWCLIPBOARD)
1258 WIN_MSG(WM_PAINTCLIPBOARD)
1259 WIN_MSG(WM_VSCROLLCLIPBOARD)
1260 WIN_MSG(WM_SIZECLIPBOARD)
1261 WIN_MSG(WM_ASKCBFORMATNAME)
1262 WIN_MSG(WM_CHANGECBCHAIN)
1263 WIN_MSG(WM_HSCROLLCLIPBOARD)
1264 WIN_MSG(WM_QUERYNEWPALETTE)
1265 WIN_MSG(WM_PALETTEISCHANGING)
1266 WIN_MSG(WM_PALETTECHANGED)
1267 WIN_MSG(WM_HOTKEY)
1268 WIN_MSG(WM_PRINT)
1269 WIN_MSG(WM_PRINTCLIENT)
1270 WIN_MSG(WM_HANDHELDFIRST)
1271 WIN_MSG(WM_HANDHELDLAST)
1272 WIN_MSG(WM_AFXFIRST)
1273 WIN_MSG(WM_AFXLAST)
1274 WIN_MSG(WM_PENWINFIRST)
1275 WIN_MSG(WM_PENWINLAST)
1276 WIN_MSG(WM_AWT_COMPONENT_CREATE)
1277 WIN_MSG(WM_AWT_DESTROY_WINDOW)
1278 WIN_MSG(WM_AWT_MOUSEENTER)
1279 WIN_MSG(WM_AWT_MOUSEEXIT)
1280 WIN_MSG(WM_AWT_COMPONENT_SHOW)
1281 WIN_MSG(WM_AWT_COMPONENT_HIDE)
1282 WIN_MSG(WM_AWT_COMPONENT_SETFOCUS)
1283 WIN_MSG(WM_AWT_WINDOW_SETACTIVE)
1284 WIN_MSG(WM_AWT_LIST_SETMULTISELECT)
1285 WIN_MSG(WM_AWT_HANDLE_EVENT)
1286 WIN_MSG(WM_AWT_PRINT_COMPONENT)
1287 WIN_MSG(WM_AWT_RESHAPE_COMPONENT)
1288 WIN_MSG(WM_AWT_SETALWAYSONTOP)
1289 WIN_MSG(WM_AWT_BEGIN_VALIDATE)
1290 WIN_MSG(WM_AWT_END_VALIDATE)
1291 WIN_MSG(WM_AWT_FORWARD_CHAR)
1292 WIN_MSG(WM_AWT_FORWARD_BYTE)
1293 WIN_MSG(WM_AWT_SET_SCROLL_INFO)
1294 WIN_MSG(WM_AWT_CREATECONTEXT)
1295 WIN_MSG(WM_AWT_DESTROYCONTEXT)
1296 WIN_MSG(WM_AWT_ASSOCIATECONTEXT)
1297 WIN_MSG(WM_AWT_GET_DEFAULT_IME_HANDLER)
1298 WIN_MSG(WM_AWT_HANDLE_NATIVE_IME_EVENT)
1299 WIN_MSG(WM_AWT_PRE_KEYDOWN)
1300 WIN_MSG(WM_AWT_PRE_KEYUP)
1301 WIN_MSG(WM_AWT_PRE_SYSKEYDOWN)
1302 WIN_MSG(WM_AWT_PRE_SYSKEYUP)
1303 WIN_MSG(WM_AWT_ENDCOMPOSITION,)
1304 WIN_MSG(WM_AWT_DISPOSE,)
1305 WIN_MSG(WM_AWT_DELETEOBJECT,)
1306 WIN_MSG(WM_AWT_SETCONVERSIONSTATUS,)
1307 WIN_MSG(WM_AWT_GETCONVERSIONSTATUS,)
1308 WIN_MSG(WM_AWT_SETOPENSTATUS,)
1309 WIN_MSG(WM_AWT_GETOPENSTATUS)
1310 WIN_MSG(WM_AWT_ACTIVATEKEYBOARDLAYOUT)
1311 WIN_MSG(WM_AWT_OPENCANDIDATEWINDOW)
1312 WIN_MSG(WM_AWT_DLG_SHOWMODAL,)
1313 WIN_MSG(WM_AWT_DLG_ENDMODAL,)
1314 WIN_MSG(WM_AWT_SETCURSOR,)
1315 WIN_MSG(WM_AWT_WAIT_FOR_SINGLE_OBJECT,)
1316 WIN_MSG(WM_AWT_INVOKE_METHOD,)
1317 WIN_MSG(WM_AWT_INVOKE_VOID_METHOD,)
1318 WIN_MSG(WM_AWT_EXECUTE_SYNC,)
1319 WIN_MSG(WM_AWT_CURSOR_SYNC)
1320 WIN_MSG(WM_AWT_GETDC)
1321 WIN_MSG(WM_AWT_RELEASEDC)
1322 WIN_MSG(WM_AWT_RELEASE_ALL_DCS)
1323 WIN_MSG(WM_AWT_SHOWCURSOR)
1324 WIN_MSG(WM_AWT_HIDECURSOR)
1325 WIN_MSG(WM_AWT_CREATE_PRINTED_PIXELS)
1326 WIN_MSG(WM_AWT_OBJECTLISTCLEANUP)
1327 default:
1328 sprintf(szBuf, "0x%8.8x(%s):Unknown message 0x%8.8x\n",
1329 hwnd, szComment, message);
1330 break;
1331 }
1332 printf(szBuf);
1333 }
1334
1335 #endif /* SPY_MESSAGES */
1336
1337 /*
1338 * Dispatch messages for this window class--general component
1339 */
1340 LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
1341 {
1342 CounterHelper ch(&m_MessagesProcessing);
1343
1344 JNILocalFrame lframe(AwtToolkit::GetEnv(), 10);
1345 SpyWinMessage(GetHWnd(), message,
1346 (message == WM_AWT_RELEASE_ALL_DCS) ? TEXT("Disposed Component") : GetClassName());
1347
1348 LRESULT retValue = 0;
1349 MsgRouting mr = mrDoDefault;
1350 AwtToolkit::GetInstance().eventNumber++;
1351
1352 static BOOL ignoreNextLBTNUP = FALSE; //Ignore next LBUTTONUP msg?
1353
1354 lastMessage = message;
1355
1356 if (message == WmAwtIsComponent) {
1357 // special message to identify AWT HWND's without using
1358 // resource hogging ::SetProp
1359 return (LRESULT)TRUE;
1360 }
1361
1362 DWORD curPos = 0;
1363
1364 UINT switchMessage = message;
1365 switch (switchMessage) {
1366 case WM_AWT_GETDC:
1367 {
1368 HDC hDC;
1369 // First, release the DCs scheduled for deletion
1370 ReleaseDCList(GetHWnd(), passiveDCList);
1371
1372 GetDCReturnStruct *returnStruct = new GetDCReturnStruct;
1373 returnStruct->gdiLimitReached = FALSE;
1374 if (AwtGDIObject::IncrementIfAvailable()) {
1375 hDC = ::GetDCEx(GetHWnd(), NULL,
1376 DCX_CACHE | DCX_CLIPCHILDREN |
1377 DCX_CLIPSIBLINGS);
1378 if (hDC != NULL) {
1379 // Add new DC to list of DC's associated with this Component
1380 activeDCList.AddDC(hDC, GetHWnd());
1381 } else {
1382 // Creation failed; decrement counter in AwtGDIObject
1383 AwtGDIObject::Decrement();
1384 }
1385 } else {
1386 hDC = NULL;
1387 returnStruct->gdiLimitReached = TRUE;
1388 }
1389 returnStruct->hDC = hDC;
1390 retValue = (LRESULT)returnStruct;
1391 mr = mrConsume;
1392 break;
1393 }
1394 case WM_AWT_RELEASEDC:
1395 {
1396 HDC hDC = (HDC)wParam;
1397 MoveDCToPassiveList(hDC, GetHWnd());
1398 ReleaseDCList(GetHWnd(), passiveDCList);
1399 mr = mrConsume;
1400 break;
1401 }
1402 case WM_AWT_RELEASE_ALL_DCS:
1403 {
1404 // Called during Component destruction. Gets current list of
1405 // DC's associated with Component and releases each DC.
1406 ReleaseDCList(GetHWnd(), activeDCList);
1407 ReleaseDCList(GetHWnd(), passiveDCList);
1408 mr = mrConsume;
1409 break;
1410 }
1411 case WM_AWT_SHOWCURSOR:
1412 ::ShowCursor(TRUE);
1413 break;
1414 case WM_AWT_HIDECURSOR:
1415 ::ShowCursor(FALSE);
1416 break;
1417 case WM_CREATE: mr = WmCreate(); break;
1418 case WM_CLOSE: mr = WmClose(); break;
1419 case WM_DESTROY: mr = WmDestroy(); break;
1420 case WM_NCDESTROY: mr = WmNcDestroy(); break;
1421
1422 case WM_ERASEBKGND:
1423 mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break;
1424 case WM_PAINT:
1425 CheckFontSmoothingSettings(GetHWnd());
1426 /* Set draw state */
1427 SetDrawState(GetDrawState() | JAWT_LOCK_CLIP_CHANGED);
1428 mr = WmPaint((HDC)wParam);
1429 break;
1430
1431 case WM_GETMINMAXINFO:
1432 mr = WmGetMinMaxInfo((LPMINMAXINFO)lParam);
1433 break;
1434
1435 case WM_WINDOWPOSCHANGING:
1436 {
1437 // We process this message so that we can synchronize access to
1438 // a moving window. The Scale/Blt functions in Win32BlitLoops
1439 // take the same windowMoveLock to ensure that a window is not
1440 // moving while we are trying to copy pixels into it.
1441 WINDOWPOS *lpPosInfo = (WINDOWPOS *)lParam;
1442 if ((lpPosInfo->flags & (SWP_NOMOVE | SWP_NOSIZE)) !=
1443 (SWP_NOMOVE | SWP_NOSIZE))
1444 {
1445 // Move or Size command.
1446 // Windows tends to send erroneous events that the window
1447 // is about to move when the coordinates are exactly the
1448 // same as the last time. This can cause problems with
1449 // our windowMoveLock CriticalSection because we enter it
1450 // here and never get to WM_WINDOWPOSCHANGED to release it.
1451 // So make sure this is a real move/size event before bothering
1452 // to grab the critical section.
1453 BOOL takeLock = FALSE;
1454 if (!(lpPosInfo->flags & SWP_NOMOVE) &&
1455 ((windowMoveLockPosX != lpPosInfo->x) ||
1456 (windowMoveLockPosY != lpPosInfo->y)))
1457 {
1458 // Real move event
1459 takeLock = TRUE;
1460 windowMoveLockPosX = lpPosInfo->x;
1461 windowMoveLockPosY = lpPosInfo->y;
1462 }
1463 if (!(lpPosInfo->flags & SWP_NOSIZE) &&
1464 ((windowMoveLockPosCX != lpPosInfo->cx) ||
1465 (windowMoveLockPosCY != lpPosInfo->cy)))
1466 {
1467 // Real size event
1468 takeLock = TRUE;
1469 windowMoveLockPosCX = lpPosInfo->cx;
1470 windowMoveLockPosCY = lpPosInfo->cy;
1471 }
1472 if (takeLock) {
1473 if (!windowMoveLockHeld) {
1474 windowMoveLock.Enter();
1475 windowMoveLockHeld = TRUE;
1476 }
1477 }
1478 }
1479 mr = WmWindowPosChanging(lParam);
1480 break;
1481 }
1482 case WM_WINDOWPOSCHANGED:
1483 {
1484 // Release lock grabbed in the POSCHANGING message
1485 if (windowMoveLockHeld) {
1486 windowMoveLockHeld = FALSE;
1487 windowMoveLock.Leave();
1488 }
1489 mr = WmWindowPosChanged(lParam);
1490 break;
1491 }
1492 case WM_MOVE: {
1493 RECT r;
1494 ::GetWindowRect(GetHWnd(), &r);
1495 mr = WmMove(r.left, r.top);
1496 break;
1497 }
1498 case WM_SIZE:
1499 {
1500 RECT r;
1501 // fix 4128317 : use GetClientRect for full 32-bit int precision and
1502 // to avoid negative client area dimensions overflowing 16-bit params - robi
1503 ::GetClientRect( GetHWnd(), &r );
1504 mr = WmSize(static_cast<UINT>(wParam), r.right - r.left, r.bottom - r.top);
1505 //mr = WmSize(wParam, LOWORD(lParam), HIWORD(lParam));
1506 SetCompositionWindow(r);
1507 break;
1508 }
1509 case WM_SIZING:
1510 mr = WmSizing();
1511 break;
1512 case WM_SHOWWINDOW:
1513 mr = WmShowWindow(static_cast<BOOL>(wParam),
1514 static_cast<UINT>(lParam)); break;
1515 case WM_SYSCOMMAND:
1516 mr = WmSysCommand(static_cast<UINT>(wParam & 0xFFF0),
1517 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1518 break;
1519 case WM_EXITSIZEMOVE:
1520 mr = WmExitSizeMove();
1521 break;
1522 // Bug #4039858 (Selecting menu item causes bogus mouse click event)
1523 case WM_ENTERMENULOOP:
1524 mr = WmEnterMenuLoop((BOOL)wParam);
1525 sm_bMenuLoop = TRUE;
1526 // we need to release grab if menu is shown
1527 if (AwtWindow::GetGrabbedWindow() != NULL) {
1528 AwtWindow::GetGrabbedWindow()->Ungrab();
1529 }
1530 break;
1531 case WM_EXITMENULOOP:
1532 mr = WmExitMenuLoop((BOOL)wParam);
1533 sm_bMenuLoop = FALSE;
1534 break;
1535
1536 // We don't expect any focus messages on non-proxy component,
1537 // except those that came from Java.
1538 case WM_SETFOCUS:
1539 if (sm_inSynthesizeFocus) {
1540 mr = WmSetFocus((HWND)wParam);
1541 } else {
1542 mr = mrConsume;
1543 }
1544 break;
1545 case WM_KILLFOCUS:
1546 if (sm_inSynthesizeFocus) {
1547 mr = WmKillFocus((HWND)wParam);
1548 } else {
1549 mr = mrConsume;
1550 }
1551 break;
1552 case WM_ACTIVATE: {
1553 UINT nState = LOWORD(wParam);
1554 BOOL fMinimized = (BOOL)HIWORD(wParam);
1555 mr = mrConsume;
1556
1557 if (!sm_suppressFocusAndActivation &&
1558 (!fMinimized || (nState == WA_INACTIVE)))
1559 {
1560 mr = WmActivate(nState, fMinimized, (HWND)lParam);
1561
1562 // When the window is deactivated, send WM_IME_ENDCOMPOSITION
1563 // message to deactivate the composition window so that
1564 // it won't receive keyboard input focus.
1565 HIMC hIMC;
1566 HWND hwnd = ImmGetHWnd();
1567 if ((hIMC = ImmGetContext(hwnd)) != NULL) {
1568 ImmReleaseContext(hwnd, hIMC);
1569 DefWindowProc(WM_IME_ENDCOMPOSITION, 0, 0);
1570 }
1571 }
1572 break;
1573 }
1574 case WM_MOUSEACTIVATE: {
1575 AwtWindow *window = GetContainer();
1576 if (window && window->IsFocusableWindow()) {
1577 // AWT/Swing will later request focus to a proper component
1578 // on handling the Java mouse event. Anyway, we have to
1579 // activate the window here as it works both for AWT & Swing.
1580 // Do it in our own fassion,
1581 window->AwtSetActiveWindow(TRUE, LOWORD(lParam)/*hittest*/);
1582 }
1583 mr = mrConsume;
1584 retValue = MA_NOACTIVATE;
1585 break;
1586 }
1587 case WM_CTLCOLORMSGBOX:
1588 case WM_CTLCOLOREDIT:
1589 case WM_CTLCOLORLISTBOX:
1590 case WM_CTLCOLORBTN:
1591 case WM_CTLCOLORDLG:
1592 case WM_CTLCOLORSCROLLBAR:
1593 case WM_CTLCOLORSTATIC:
1594 mr = WmCtlColor((HDC)wParam, (HWND)lParam,
1595 message-WM_CTLCOLORMSGBOX+CTLCOLOR_MSGBOX,
1596 *(HBRUSH*)&retValue);
1597 break;
1598 case WM_HSCROLL:
1599 mr = WmHScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1600 break;
1601 case WM_VSCROLL:
1602 mr = WmVScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1603 break;
1604 // 4664415: We're seeing a WM_LBUTTONUP when the user releases the
1605 // mouse button after a WM_NCLBUTTONDBLCLK. We want to ignore this
1606 // WM_LBUTTONUP, so we set a flag in WM_NCLBUTTONDBLCLK and look for the
1607 // flag on a WM_LBUTTONUP. -bchristi
1608 case WM_NCLBUTTONDBLCLK:
1609 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON | DBL_CLICK);
1610 if (mr == mrDoDefault) {
1611 ignoreNextLBTNUP = TRUE;
1612 }
1613 break;
1614 case WM_NCLBUTTONDOWN:
1615 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1616 ignoreNextLBTNUP = FALSE;
1617 break;
1618 case WM_NCLBUTTONUP:
1619 mr = WmNcMouseUp(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1620 break;
1621 case WM_NCRBUTTONDOWN:
1622 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), RIGHT_BUTTON);
1623 break;
1624 case WM_LBUTTONUP:
1625 if (ignoreNextLBTNUP) {
1626 ignoreNextLBTNUP = FALSE;
1627 return mrDoDefault;
1628 }
1629 //fall-through
1630 case WM_LBUTTONDOWN:
1631 ignoreNextLBTNUP = FALSE;
1632 //fall-through
1633 case WM_LBUTTONDBLCLK:
1634 case WM_RBUTTONDOWN:
1635 case WM_RBUTTONDBLCLK:
1636 case WM_RBUTTONUP:
1637 case WM_MBUTTONDOWN:
1638 case WM_MBUTTONDBLCLK:
1639 case WM_MBUTTONUP:
1640 case WM_XBUTTONDBLCLK:
1641 case WM_XBUTTONDOWN:
1642 case WM_XBUTTONUP:
1643 case WM_MOUSEMOVE:
1644 case WM_MOUSEWHEEL:
1645 case WM_AWT_MOUSEENTER:
1646 case WM_AWT_MOUSEEXIT:
1647 curPos = ::GetMessagePos();
1648 POINT myPos;
1649 myPos.x = GET_X_LPARAM(curPos);
1650 myPos.y = GET_Y_LPARAM(curPos);
1651 ::ScreenToClient(GetHWnd(), &myPos);
1652 switch(switchMessage) {
1653 case WM_AWT_MOUSEENTER:
1654 mr = WmMouseEnter(static_cast<UINT>(wParam), myPos.x, myPos.y);
1655 break;
1656 case WM_LBUTTONDOWN:
1657 case WM_LBUTTONDBLCLK:
1658 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1659 LEFT_BUTTON);
1660 break;
1661 case WM_LBUTTONUP:
1662 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1663 LEFT_BUTTON);
1664 break;
1665 case WM_MOUSEMOVE:
1666 mr = WmMouseMove(static_cast<UINT>(wParam), myPos.x, myPos.y);
1667 break;
1668 case WM_MBUTTONDOWN:
1669 case WM_MBUTTONDBLCLK:
1670 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1671 MIDDLE_BUTTON);
1672 break;
1673 case WM_XBUTTONDOWN:
1674 case WM_XBUTTONDBLCLK:
1675 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1676 if (HIWORD(wParam) == 1) {
1677 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1678 X1_BUTTON);
1679 }
1680 if (HIWORD(wParam) == 2) {
1681 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1682 X2_BUTTON);
1683 }
1684 }
1685 break;
1686 case WM_XBUTTONUP:
1687 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1688 if (HIWORD(wParam) == 1) {
1689 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1690 X1_BUTTON);
1691 }
1692 if (HIWORD(wParam) == 2) {
1693 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1694 X2_BUTTON);
1695 }
1696 }
1697 break;
1698 case WM_RBUTTONDOWN:
1699 case WM_RBUTTONDBLCLK:
1700 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1701 RIGHT_BUTTON);
1702 break;
1703 case WM_RBUTTONUP:
1704 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1705 RIGHT_BUTTON);
1706 break;
1707 case WM_MBUTTONUP:
1708 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1709 MIDDLE_BUTTON);
1710 break;
1711 case WM_AWT_MOUSEEXIT:
1712 mr = WmMouseExit(static_cast<UINT>(wParam), myPos.x, myPos.y);
1713 break;
1714 case WM_MOUSEWHEEL:
1715 mr = WmMouseWheel(GET_KEYSTATE_WPARAM(wParam),
1716 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
1717 GET_WHEEL_DELTA_WPARAM(wParam));
1718 break;
1719 }
1720 break;
1721 case WM_TOUCH:
1722 WmTouch(wParam, lParam);
1723 break;
1724 case WM_SETCURSOR:
1725 mr = mrDoDefault;
1726 if (LOWORD(lParam) == HTCLIENT) {
1727 if (AwtComponent* comp =
1728 AwtComponent::GetComponent((HWND)wParam)) {
1729 AwtCursor::UpdateCursor(comp);
1730 mr = mrConsume;
1731 }
1732 }
1733 break;
1734
1735 case WM_KEYDOWN:
1736 mr = WmKeyDown(static_cast<UINT>(wParam),
1737 LOWORD(lParam), HIWORD(lParam), FALSE);
1738 break;
1739 case WM_KEYUP:
1740 mr = WmKeyUp(static_cast<UINT>(wParam),
1741 LOWORD(lParam), HIWORD(lParam), FALSE);
1742 break;
1743 case WM_SYSKEYDOWN:
1744 mr = WmKeyDown(static_cast<UINT>(wParam),
1745 LOWORD(lParam), HIWORD(lParam), TRUE);
1746 break;
1747 case WM_SYSKEYUP:
1748 mr = WmKeyUp(static_cast<UINT>(wParam),
1749 LOWORD(lParam), HIWORD(lParam), TRUE);
1750 break;
1751 case WM_IME_SETCONTEXT:
1752 // lParam is passed as pointer and it can be modified.
1753 mr = WmImeSetContext(static_cast<BOOL>(wParam), &lParam);
1754 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1755 break;
1756 case WM_IME_NOTIFY:
1757 mr = WmImeNotify(wParam, lParam);
1758 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1759 break;
1760 case WM_IME_STARTCOMPOSITION:
1761 mr = WmImeStartComposition();
1762 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1763 break;
1764 case WM_IME_ENDCOMPOSITION:
1765 mr = WmImeEndComposition();
1766 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1767 break;
1768 case WM_IME_COMPOSITION: {
1769 WORD dbcschar = static_cast<WORD>(wParam);
1770 mr = WmImeComposition(dbcschar, lParam);
1771 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1772 break;
1773 }
1774 case WM_IME_CONTROL:
1775 case WM_IME_COMPOSITIONFULL:
1776 case WM_IME_SELECT:
1777 case WM_IME_KEYUP:
1778 case WM_IME_KEYDOWN:
1779 case WM_IME_REQUEST:
1780 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1781 break;
1782 case WM_CHAR:
1783 mr = WmChar(static_cast<UINT>(wParam),
1784 LOWORD(lParam), HIWORD(lParam), FALSE);
1785 break;
1786 case WM_SYSCHAR:
1787 mr = WmChar(static_cast<UINT>(wParam),
1788 LOWORD(lParam), HIWORD(lParam), TRUE);
1789 break;
1790 case WM_IME_CHAR:
1791 mr = WmIMEChar(static_cast<UINT>(wParam),
1792 LOWORD(lParam), HIWORD(lParam), FALSE);
1793 break;
1794
1795 case WM_INPUTLANGCHANGEREQUEST: {
1796 DTRACE_PRINTLN4("WM_INPUTLANGCHANGEREQUEST: hwnd = 0x%X (%s);"//
1797 "0x%08X -> 0x%08X",
1798 GetHWnd(), GetClassName(),
1799 (UINT_PTR)GetKeyboardLayout(), (UINT_PTR)lParam);
1800 // 4267428: make sure keyboard layout is turned undead.
1801 static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
1802 AwtToolkit::GetKeyboardState(keyboardState);
1803 WORD ignored;
1804 ::ToAsciiEx(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0),
1805 keyboardState, &ignored, 0, GetKeyboardLayout());
1806
1807 // Set this flag to block ActivateKeyboardLayout from
1808 // WInputMethod.activate()
1809 g_bUserHasChangedInputLang = TRUE;
1810 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1811 break;
1812 }
1813 case WM_INPUTLANGCHANGE:
1814 DTRACE_PRINTLN3("WM_INPUTLANGCHANGE: hwnd = 0x%X (%s);"//
1815 "new = 0x%08X",
1816 GetHWnd(), GetClassName(), (UINT)lParam);
1817 mr = WmInputLangChange(static_cast<UINT>(wParam), reinterpret_cast<HKL>(lParam));
1818 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1819 // should return non-zero if we process this message
1820 retValue = 1;
1821 break;
1822
1823 case WM_AWT_FORWARD_CHAR:
1824 mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam));
1825 break;
1826
1827 case WM_AWT_FORWARD_BYTE:
1828 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1829 break;
1830
1831 case WM_PASTE:
1832 mr = WmPaste();
1833 break;
1834 case WM_TIMER:
1835 mr = WmTimer(wParam);
1836 break;
1837
1838 case WM_COMMAND:
1839 mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam));
1840 break;
1841 case WM_COMPAREITEM:
1842 mr = WmCompareItem(static_cast<UINT>(wParam),
1843 *(COMPAREITEMSTRUCT*)lParam, retValue);
1844 break;
1845 case WM_DELETEITEM:
1846 mr = WmDeleteItem(static_cast<UINT>(wParam),
1847 *(DELETEITEMSTRUCT*)lParam);
1848 break;
1849 case WM_DRAWITEM:
1850 mr = WmDrawItem(static_cast<UINT>(wParam),
1851 *(DRAWITEMSTRUCT*)lParam);
1852 break;
1853 case WM_MEASUREITEM:
1854 mr = WmMeasureItem(static_cast<UINT>(wParam),
1855 *(MEASUREITEMSTRUCT*)lParam);
1856 break;
1857
1858 case WM_AWT_HANDLE_EVENT:
1859 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1860 break;
1861
1862 case WM_PRINT:
1863 mr = WmPrint((HDC)wParam, lParam);
1864 break;
1865 case WM_PRINTCLIENT:
1866 mr = WmPrintClient((HDC)wParam, lParam);
1867 break;
1868
1869 case WM_NCCALCSIZE:
1870 mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam,
1871 retValue);
1872 break;
1873 case WM_NCPAINT:
1874 mr = WmNcPaint((HRGN)wParam);
1875 break;
1876 case WM_NCHITTEST:
1877 mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue);
1878 break;
1879
1880 case WM_AWT_RESHAPE_COMPONENT: {
1881 RECT* r = (RECT*)lParam;
1882 WPARAM checkEmbedded = wParam;
1883 if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) {
1884 ::OffsetRect(r, -r->left, -r->top);
1885 }
1886 Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top);
1887 delete r;
1888 mr = mrConsume;
1889 break;
1890 }
1891
1892 case WM_AWT_SETALWAYSONTOP: {
1893 AwtWindow* w = (AwtWindow*)lParam;
1894 BOOL value = (BOOL)wParam;
1895 UINT flags = SWP_NOMOVE | SWP_NOSIZE;
1896 // transient windows shouldn't change the owner window's position in the z-order
1897 if (w->IsRetainingHierarchyZOrder()) {
1898 flags |= SWP_NOOWNERZORDER;
1899 }
1900 ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST),
1901 0,0,0,0, flags);
1902 break;
1903 }
1904
1905 case WM_AWT_BEGIN_VALIDATE:
1906 BeginValidate();
1907 mr = mrConsume;
1908 break;
1909 case WM_AWT_END_VALIDATE:
1910 EndValidate();
1911 mr = mrConsume;
1912 break;
1913
1914 case WM_PALETTEISCHANGING:
1915 mr = WmPaletteIsChanging((HWND)wParam);
1916 mr = mrDoDefault;
1917 break;
1918 case WM_QUERYNEWPALETTE:
1919 mr = WmQueryNewPalette(retValue);
1920 break;
1921 case WM_PALETTECHANGED:
1922 mr = WmPaletteChanged((HWND)wParam);
1923 break;
1924 case WM_STYLECHANGED:
1925 mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam);
1926 break;
1927 case WM_SETTINGCHANGE:
1928 CheckFontSmoothingSettings(NULL);
1929 mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam);
1930 break;
1931 case WM_CONTEXTMENU:
1932 mr = WmContextMenu((HWND)wParam,
1933 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1934 break;
1935
1936 /*
1937 * These messages are used to route Win32 calls to the
1938 * creating thread, since these calls fail unless executed
1939 * there.
1940 */
1941 case WM_AWT_COMPONENT_SHOW:
1942 Show();
1943 mr = mrConsume;
1944 break;
1945 case WM_AWT_COMPONENT_HIDE:
1946 Hide();
1947 mr = mrConsume;
1948 break;
1949
1950 case WM_AWT_COMPONENT_SETFOCUS:
1951 if ((BOOL)wParam) {
1952 retValue = SynthesizeWmSetFocus(GetHWnd(), NULL);
1953 } else {
1954 retValue = SynthesizeWmKillFocus(GetHWnd(), NULL);
1955 }
1956 mr = mrConsume;
1957 break;
1958 case WM_AWT_WINDOW_SETACTIVE:
1959 retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam);
1960 mr = mrConsume;
1961 break;
1962
1963 case WM_AWT_SET_SCROLL_INFO: {
1964 SCROLLINFO *si = (SCROLLINFO *) lParam;
1965 ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE);
1966 delete si;
1967 mr = mrConsume;
1968 break;
1969 }
1970 case WM_AWT_CREATE_PRINTED_PIXELS: {
1971 CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam;
1972 SIZE loc = { cpps->srcx, cpps->srcy };
1973 SIZE size = { cpps->srcw, cpps->srch };
1974 retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha);
1975 mr = mrConsume;
1976 break;
1977 }
1978 case WM_UNDOCUMENTED_CLICKMENUBAR:
1979 {
1980 if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) {
1981 mr = mrConsume;
1982 }
1983 }
1984 }
1985
1986 /*
1987 * If not a specific Consume, it was a specific DoDefault, or a
1988 * PassAlong (since the default is the next in chain), then call the
1989 * default proc.
1990 */
1991 if (mr != mrConsume) {
1992 retValue = DefWindowProc(message, wParam, lParam);
1993 }
1994
1995 return retValue;
1996 }
1997 /*
1998 * Call this instance's default window proc, or if none set, call the stock
1999 * Window's one.
2000 */
2001 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam)
2002 {
2003 return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam);
2004 }
2005
2006 /*
2007 * This message should only be received when a window is destroyed by
2008 * Windows, and not Java. Window termination has been reworked so
2009 * this method should never be called during termination.
2010 */
2011 MsgRouting AwtComponent::WmDestroy()
2012 {
2013 return mrConsume;
2014 }
2015
2016 /*
2017 * This message should only be received when a window is destroyed by
2018 * Windows, and not Java. It is sent only after child windows were destroyed.
2019 */
2020 MsgRouting AwtComponent::WmNcDestroy()
2021 {
2022 if (m_peerObject != NULL) { // is not being terminating
2023 // Stay in this handler until AwtComponent::Dispose is called.
2024 m_bPauseDestroy = TRUE;
2025
2026 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
2027 // Post invocation event for WObjectPeer.dispose to EDT
2028 env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID);
2029 // Wait until AwtComponent::Dispose is called
2030 AwtToolkit::GetInstance().PumpToDestroy(this);
2031 }
2032
2033 return mrConsume;
2034 }
2035
2036 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi)
2037 {
2038 return mrDoDefault;
2039 }
2040
2041 MsgRouting AwtComponent::WmMove(int x, int y)
2042 {
2043 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2044 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2045 return mrDoDefault;
2046 }
2047
2048 MsgRouting AwtComponent::WmSize(UINT type, int w, int h)
2049 {
2050 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2051 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2052 return mrDoDefault;
2053 }
2054
2055 MsgRouting AwtComponent::WmSizing()
2056 {
2057 return mrDoDefault;
2058 }
2059
2060 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos)
2061 {
2062 return mrDoDefault;
2063 }
2064
2065 MsgRouting AwtComponent::WmExitSizeMove()
2066 {
2067 return mrDoDefault;
2068 }
2069
2070 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu)
2071 {
2072 return mrDoDefault;
2073 }
2074
2075 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu)
2076 {
2077 return mrDoDefault;
2078 }
2079
2080 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status)
2081 {
2082 return mrDoDefault;
2083 }
2084
2085 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus)
2086 {
2087 m_wheelRotationAmount = 0;
2088 return mrDoDefault;
2089 }
2090
2091 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus)
2092 {
2093 m_wheelRotationAmount = 0;
2094 return mrDoDefault;
2095 }
2096
2097 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl,
2098 UINT ctlColor, HBRUSH& retBrush)
2099 {
2100 AwtComponent* child = AwtComponent::GetComponent(hCtrl);
2101 if (child) {
2102 ::SetBkColor(hDC, child->GetBackgroundColor());
2103 ::SetTextColor(hDC, child->GetColor());
2104 retBrush = child->GetBackgroundBrush();
2105 return mrConsume;
2106 }
2107 return mrDoDefault;
2108 /*
2109 switch (ctlColor) {
2110 case CTLCOLOR_MSGBOX:
2111 case CTLCOLOR_EDIT:
2112 case CTLCOLOR_LISTBOX:
2113 case CTLCOLOR_BTN:
2114 case CTLCOLOR_DLG:
2115 case CTLCOLOR_SCROLLBAR:
2116 case CTLCOLOR_STATIC:
2117 }
2118 */
2119 }
2120
2121 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos,
2122 HWND hScrollbar) {
2123 if (hScrollbar && hScrollbar != GetHWnd()) {
2124 /* the last test should never happen */
2125 AwtComponent* sb = GetComponent(hScrollbar);
2126 if (sb) {
2127 sb->WmHScroll(scrollCode, pos, hScrollbar);
2128 }
2129 }
2130 return mrDoDefault;
2131 }
2132
2133 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar)
2134 {
2135 if (hScrollbar && hScrollbar != GetHWnd()) {
2136 /* the last test should never happen */
2137 AwtComponent* sb = GetComponent(hScrollbar);
2138 if (sb) {
2139 sb->WmVScroll(scrollCode, pos, hScrollbar);
2140 }
2141 }
2142 return mrDoDefault;
2143 }
2144
2145 namespace TimeHelper {
2146 // Sometimes the message belongs to another event queue and
2147 // GetMessageTime() may return wrong non-zero value (the case is
2148 // the TrayIcon peer). Using TimeHelper::windowsToUTC(::GetTickCount())
2149 // could help there.
2150 static DWORD getMessageTimeWindows(){
2151 DWORD time = ::GetMessageTime();
2152 // The following 'if' seems to be a unneeded hack.
2153 // Consider removing it.
2154 if (time == 0) {
2155 time = ::GetTickCount();
2156 }
2157 return time;
2158 }
2159
2160 jlong getMessageTimeUTC() {
2161 return ::JVM_CurrentTimeMillis(NULL, 0);
2162 }
2163 } //TimeHelper
2164
2165 MsgRouting AwtComponent::WmPaint(HDC)
2166 {
2167 /* Get the rectangle that covers all update regions, if any exist. */
2168 RECT r;
2169 if (::GetUpdateRect(GetHWnd(), &r, FALSE)) {
2170 if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 &&
2171 m_peerObject != NULL && m_callbacksEnabled) {
2172 /*
2173 * Always call handlePaint, because the underlying control
2174 * will have painted itself (the "background") before any
2175 * paint method is called.
2176 */
2177 DoCallback("handlePaint", "(IIII)V",
2178 r.left, r.top, r.right-r.left, r.bottom-r.top);
2179 }
2180 }
2181 return mrDoDefault;
2182 }
2183
2184 void AwtComponent::PaintUpdateRgn(const RECT *insets)
2185 {
2186 // Fix 4530093: Don't Validate if can't actually paint
2187 if (m_peerObject == NULL || !m_callbacksEnabled) {
2188
2189 // Fix 4745222: If we don't ValidateRgn, windows will keep sending
2190 // WM_PAINT messages until we do. This causes java to go into
2191 // a tight loop that increases CPU to 100% and starves main
2192 // thread which needs to complete initialization, but cant.
2193 ::ValidateRgn(GetHWnd(), NULL);
2194
2195 return;
2196 }
2197
2198 HRGN rgn = ::CreateRectRgn(0,0,1,1);
2199 int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE);
2200 /*
2201 * Now remove all update regions from this window -- do it
2202 * here instead of after the Java upcall, in case any new
2203 * updating is requested.
2204 */
2205 ::ValidateRgn(GetHWnd(), NULL);
2206
2207 if (updated == COMPLEXREGION || updated == SIMPLEREGION) {
2208 if (insets != NULL) {
2209 ::OffsetRgn(rgn, insets->left, insets->top);
2210 }
2211 DWORD size = ::GetRegionData(rgn, 0, NULL);
2212 if (size == 0) {
2213 ::DeleteObject((HGDIOBJ)rgn);
2214 return;
2215 }
2216 char* buffer = new char[size]; // safe because sizeof(char)==1
2217 memset(buffer, 0, size);
2218 LPRGNDATA rgndata = (LPRGNDATA)buffer;
2219 rgndata->rdh.dwSize = sizeof(RGNDATAHEADER);
2220 rgndata->rdh.iType = RDH_RECTANGLES;
2221 int retCode = ::GetRegionData(rgn, size, rgndata);
2222 VERIFY(retCode);
2223 if (retCode == 0) {
2224 delete [] buffer;
2225 ::DeleteObject((HGDIOBJ)rgn);
2226 return;
2227 }
2228 /*
2229 * Updating rects are divided into mostly vertical and mostly horizontal
2230 * Each group is united together and if not empty painted separately
2231 */
2232 RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize);
2233 RECT* un[2] = {0, 0};
2234 DWORD i;
2235 for (i = 0; i < rgndata->rdh.nCount; i++, r++) {
2236 int width = r->right-r->left;
2237 int height = r->bottom-r->top;
2238 if (width > 0 && height > 0) {
2239 int toAdd = (width > height) ? 0: 1;
2240 if (un[toAdd] != 0) {
2241 ::UnionRect(un[toAdd], un[toAdd], r);
2242 } else {
2243 un[toAdd] = r;
2244 }
2245 }
2246 }
2247 for(i = 0; i < 2; i++) {
2248 if (un[i] != 0) {
2249 DoCallback("handleExpose", "(IIII)V", un[i]->left, un[i]->top,
2250 un[i]->right-un[i]->left, un[i]->bottom-un[i]->top);
2251 }
2252 }
2253 delete [] buffer;
2254 }
2255 ::DeleteObject((HGDIOBJ)rgn);
2256 }
2257
2258 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y)
2259 {
2260 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED,
2261 TimeHelper::getMessageTimeUTC(), x, y, GetJavaModifiers(), 0, JNI_FALSE);
2262 if ((flags & ALL_MK_BUTTONS) == 0) {
2263 AwtCursor::UpdateCursor(this);
2264 }
2265 sm_cursorOn = GetHWnd();
2266 return mrConsume; /* Don't pass our synthetic event on! */
2267 }
2268
2269 MSG*
2270 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam,
2271 int x = 0, int y = 0)
2272 {
2273 MSG* pMsg = new MSG;
2274 InitMessage(pMsg, message, wParam, lParam, x, y);
2275 return pMsg;
2276 }
2277
2278
2279 jint
2280 AwtComponent::GetDrawState(HWND hwnd) {
2281 return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp));
2282 }
2283
2284 void
2285 AwtComponent::SetDrawState(HWND hwnd, jint state) {
2286 ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state);
2287 }
2288
2289 void
2290 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam,
2291 int x = 0, int y = 0)
2292 {
2293 msg->message = message;
2294 msg->wParam = wParam;
2295 msg->lParam = lParam;
2296 msg->time = TimeHelper::getMessageTimeWindows();
2297 msg->pt.x = x;
2298 msg->pt.y = y;
2299 }
2300
2301 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) {
2302 return mrDoDefault;
2303 }
2304 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) {
2305 return mrDoDefault;
2306 }
2307
2308 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) {
2309 return mrDoDefault;
2310 }
2311 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) {
2312 return mrDoDefault;
2313 }
2314
2315 void AwtComponent::WmTouch(WPARAM wParam, LPARAM lParam) {
2316 AwtToolkit& tk = AwtToolkit::GetInstance();
2317 if (!tk.IsWin8OrLater() || !tk.IsTouchKeyboardAutoShowEnabled()) {
2318 return;
2319 }
2320
2321 UINT inputsCount = LOWORD(wParam);
2322 TOUCHINPUT* pInputs = new TOUCHINPUT[inputsCount];
2323 if (pInputs != NULL) {
2324 if (tk.TIGetTouchInputInfo((HTOUCHINPUT)lParam, inputsCount, pInputs,
2325 sizeof(TOUCHINPUT)) != 0) {
2326 for (UINT i = 0; i < inputsCount; i++) {
2327 TOUCHINPUT ti = pInputs[i];
2328 if (ti.dwFlags & TOUCHEVENTF_PRIMARY) {
2329 if (ti.dwFlags & TOUCHEVENTF_DOWN) {
2330 m_touchDownPoint.x = ti.x / 100;
2331 m_touchDownPoint.y = ti.y / 100;
2332 ::ScreenToClient(GetHWnd(), &m_touchDownPoint);
2333 m_touchDownOccurred = TRUE;
2334 } else if (ti.dwFlags & TOUCHEVENTF_UP) {
2335 m_touchUpPoint.x = ti.x / 100;
2336 m_touchUpPoint.y = ti.y / 100;
2337 ::ScreenToClient(GetHWnd(), &m_touchUpPoint);
2338 m_touchUpOccurred = TRUE;
2339 }
2340 }
2341 }
2342 }
2343 delete[] pInputs;
2344 }
2345 }
2346
2347 /* Double-click variables. */
2348 static jlong multiClickTime = ::GetDoubleClickTime();
2349 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK);
2350 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK);
2351 static AwtComponent* lastClickWnd = NULL;
2352 static jlong lastTime = 0;
2353 static int lastClickX = 0;
2354 static int lastClickY = 0;
2355 static int lastButton = 0;
2356 static int clickCount = 0;
2357
2358 // A static method that makes the clickCount available in the derived classes
2359 // overriding WmMouseDown().
2360 int AwtComponent::GetClickCount()
2361 {
2362 return clickCount;
2363 }
2364
2365 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button)
2366 {
2367 jlong now = TimeHelper::getMessageTimeUTC();
2368
2369 if (lastClickWnd == this &&
2370 lastButton == button &&
2371 (now - lastTime) <= multiClickTime &&
2372 abs(x - lastClickX) <= multiClickMaxX &&
2373 abs(y - lastClickY) <= multiClickMaxY)
2374 {
2375 clickCount++;
2376 } else {
2377 clickCount = 1;
2378 lastClickWnd = this;
2379 lastButton = button;
2380 lastClickX = x;
2381 lastClickY = y;
2382 }
2383 /*
2384 *Set appropriate bit of the mask on WM_MOUSE_DOWN message.
2385 */
2386 m_mouseButtonClickAllowed |= GetButtonMK(button);
2387 lastTime = now;
2388
2389 BOOL causedByTouchEvent = FALSE;
2390 if (m_touchDownOccurred &&
2391 (abs(m_touchDownPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2392 (abs(m_touchDownPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2393 causedByTouchEvent = TRUE;
2394 m_touchDownOccurred = FALSE;
2395 }
2396
2397 MSG msg;
2398 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2399
2400 AwtWindow *toplevel = GetContainer();
2401 if (toplevel && !toplevel->IsSimpleWindow()) {
2402 /*
2403 * The frame should be focused by click in case it is
2404 * the active window but not the focused window. See 6886678.
2405 */
2406 if (toplevel->GetHWnd() == ::GetActiveWindow() &&
2407 toplevel->GetHWnd() != AwtComponent::GetFocusedWindow())
2408 {
2409 toplevel->AwtSetActiveWindow();
2410 }
2411 }
2412
2413 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y,
2414 GetJavaModifiers(), clickCount, JNI_FALSE,
2415 GetButton(button), &msg, causedByTouchEvent);
2416 /*
2417 * NOTE: this call is intentionally placed after all other code,
2418 * since AwtComponent::WmMouseDown() assumes that the cached id of the
2419 * latest retrieved message (see lastMessage in awt_Component.cpp)
2420 * matches the mouse message being processed.
2421 * SetCapture() sends WM_CAPTURECHANGED and breaks that
2422 * assumption.
2423 */
2424 SetDragCapture(flags);
2425
2426 AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd()));
2427 if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) {
2428 if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) {
2429 AwtWindow::GetGrabbedWindow()->Ungrab();
2430 }
2431 }
2432 return mrConsume;
2433 }
2434
2435 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button)
2436 {
2437 BOOL causedByTouchEvent = FALSE;
2438 if (m_touchUpOccurred &&
2439 (abs(m_touchUpPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2440 (abs(m_touchUpPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2441 causedByTouchEvent = TRUE;
2442 m_touchUpOccurred = FALSE;
2443 }
2444
2445 MSG msg;
2446 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2447
2448 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, TimeHelper::getMessageTimeUTC(),
2449 x, y, GetJavaModifiers(), clickCount,
2450 (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ?
2451 TRUE : FALSE), GetButton(button), &msg, causedByTouchEvent);
2452 /*
2453 * If no movement, then report a click following the button release.
2454 * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN,
2455 * spurous MOUSE_CLICK is about to happen. See 6430553.
2456 */
2457 if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed
2458 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED,
2459 TimeHelper::getMessageTimeUTC(), x, y, GetJavaModifiers(),
2460 clickCount, JNI_FALSE, GetButton(button));
2461 }
2462 // Exclude button from allowed to generate CLICK messages
2463 m_mouseButtonClickAllowed &= ~GetButtonMK(button);
2464
2465 if ((flags & ALL_MK_BUTTONS) == 0) {
2466 // only update if all buttons have been released
2467 AwtCursor::UpdateCursor(this);
2468 }
2469 /*
2470 * NOTE: this call is intentionally placed after all other code,
2471 * since AwtComponent::WmMouseUp() assumes that the cached id of the
2472 * latest retrieved message (see lastMessage in awt_Component.cpp)
2473 * matches the mouse message being processed.
2474 * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that
2475 * assumption.
2476 */
2477 ReleaseDragCapture(flags);
2478
2479 return mrConsume;
2480 }
2481
2482 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y)
2483 {
2484 static AwtComponent* lastComp = NULL;
2485 static int lastX = 0;
2486 static int lastY = 0;
2487
2488 /*
2489 * Only report mouse move and drag events if a move or drag
2490 * actually happened -- Windows sends a WM_MOUSEMOVE in case the
2491 * app wants to modify the cursor.
2492 */
2493 if (lastComp != this || x != lastX || y != lastY) {
2494 lastComp = this;
2495 lastX = x;
2496 lastY = y;
2497 BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled();
2498 if (((flags & (ALL_MK_BUTTONS)) != 0) ||
2499 (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0))
2500 // if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) ||
2501 // ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) ))
2502 {
2503 // 6404008 : if Dragged event fired we shouldn't fire
2504 // Clicked event: m_firstDragSent set to TRUE.
2505 // This is a partial backout of 5039416 fix.
2506 MSG msg;
2507 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2508 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, TimeHelper::getMessageTimeUTC(), x, y,
2509 GetJavaModifiers(), 0, JNI_FALSE,
2510 java_awt_event_MouseEvent_NOBUTTON, &msg);
2511 //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence
2512 m_mouseButtonClickAllowed = 0;
2513 } else {
2514 MSG msg;
2515 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2516 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, TimeHelper::getMessageTimeUTC(), x, y,
2517 GetJavaModifiers(), 0, JNI_FALSE,
2518 java_awt_event_MouseEvent_NOBUTTON, &msg);
2519 }
2520 }
2521
2522 return mrConsume;
2523 }
2524
2525 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y)
2526 {
2527 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, TimeHelper::getMessageTimeUTC(), x,
2528 y, GetJavaModifiers(), 0, JNI_FALSE);
2529 sm_cursorOn = NULL;
2530 return mrConsume; /* Don't pass our synthetic event on! */
2531 }
2532
2533 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y,
2534 int wheelRotation)
2535 {
2536 // convert coordinates to be Component-relative, not screen relative
2537 // for wheeling when outside the window, this works similar to
2538 // coordinates during a drag
2539 POINT eventPt;
2540 eventPt.x = x;
2541 eventPt.y = y;
2542 DTRACE_PRINT2(" original coords: %i,%i\n", x, y);
2543 ::ScreenToClient(GetHWnd(), &eventPt);
2544 DTRACE_PRINT2(" new coords: %i,%i\n\n", eventPt.x, eventPt.y);
2545
2546 // set some defaults
2547 jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2548 jint scrollLines = 3;
2549
2550 BOOL result;
2551 UINT platformLines;
2552
2553 m_wheelRotationAmount += wheelRotation;
2554
2555 // AWT interprets wheel rotation differently than win32, so we need to
2556 // decode wheel amount.
2557 jint roundedWheelRotation = m_wheelRotationAmount / (-1 * WHEEL_DELTA);
2558 jdouble preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA);
2559
2560 MSG msg;
2561 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
2562 &platformLines, 0);
2563 InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation),
2564 MAKELPARAM(x, y));
2565
2566 if (result) {
2567 if (platformLines == WHEEL_PAGESCROLL) {
2568 scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL;
2569 scrollLines = 1;
2570 }
2571 else {
2572 scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2573 scrollLines = platformLines;
2574 }
2575 }
2576
2577 DTRACE_PRINTLN("calling SendMouseWheelEvent");
2578
2579 SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, TimeHelper::getMessageTimeUTC(),
2580 eventPt.x, eventPt.y, GetJavaModifiers(), 0, 0, scrollType,
2581 scrollLines, roundedWheelRotation, preciseWheelRotation, &msg);
2582
2583 m_wheelRotationAmount %= WHEEL_DELTA;
2584 // this message could be propagated up to the parent chain
2585 // by the mouse message post processors
2586 return mrConsume;
2587 }
2588
2589 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) {
2590 // Rector+Newcomer page 413
2591 // The extended keys are the Alt and Control on the right of
2592 // the space bar, the non-Numpad arrow keys, the non-Numpad
2593 // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys.
2594 // Note that neither Shift key is extended.
2595 // Although not listed in Rector+Newcomer, both Windows keys
2596 // (91 and 92) are extended keys, the Context Menu key
2597 // (property key or application key - 93) is extended,
2598 // and so is the NumLock key.
2599
2600 // wkey is the wParam, flags is the HIWORD of the lParam
2601
2602 // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam)
2603 BOOL extended = ((1<<8) & flags);
2604
2605 if (IsNumPadKey(wkey, extended)) {
2606 return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD;
2607 }
2608
2609 switch (wkey) {
2610 case VK_SHIFT:
2611 return AwtComponent::GetShiftKeyLocation(wkey, flags);
2612 case VK_CONTROL: // fall through
2613 case VK_MENU:
2614 if (extended) {
2615 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2616 } else {
2617 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2618 }
2619 case VK_LWIN:
2620 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2621 case VK_RWIN:
2622 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2623 default:
2624 break;
2625 }
2626
2627 // REMIND: if we add keycodes for the windows keys, we'll have to
2628 // include left/right discrimination code for them.
2629
2630 return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
2631 }
2632
2633 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags)
2634 {
2635 // init scancodes to safe values
2636 UINT leftShiftScancode = 0;
2637 UINT rightShiftScancode = 0;
2638
2639 // First 8 bits of flags is the scancode
2640 UINT keyScanCode = flags & 0xFF;
2641
2642 DTRACE_PRINTLN3(
2643 "AwtComponent::GetShiftKeyLocation vkey = %d = 0x%x scan = %d",
2644 vkey, vkey, keyScanCode);
2645
2646 leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0);
2647 rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0);
2648
2649 if (keyScanCode == leftShiftScancode) {
2650 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2651 }
2652 if (keyScanCode == rightShiftScancode) {
2653 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2654 }
2655
2656 DASSERT(false);
2657 // Note: the above should not fail on NT (or 2000)
2658
2659 // default value
2660 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2661 }
2662
2663 /* Returns Java extended InputEvent modifieres.
2664 * Since ::GetKeyState returns current state and Java modifiers represent
2665 * state before event, modifier on changed key are inverted.
2666 */
2667 jint
2668 AwtComponent::GetJavaModifiers()
2669 {
2670 jint modifiers = 0;
2671
2672 if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) {
2673 modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK;
2674 }
2675 if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) {
2676 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2677 }
2678 if (HIBYTE(::GetKeyState(VK_MENU)) != 0) {
2679 modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK;
2680 }
2681 if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) {
2682 modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK;
2683 }
2684 if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) {
2685 modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK;
2686 }
2687 if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) {
2688 modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK;
2689 }
2690
2691 if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) {
2692 modifiers |= masks[3];
2693 }
2694 if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) {
2695 modifiers |= masks[4];
2696 }
2697 return modifiers;
2698 }
2699
2700 jint
2701 AwtComponent::GetButton(int mouseButton)
2702 {
2703 /* Mouse buttons are already set correctly for left/right handedness */
2704 switch(mouseButton) {
2705 case LEFT_BUTTON:
2706 return java_awt_event_MouseEvent_BUTTON1;
2707 case MIDDLE_BUTTON:
2708 return java_awt_event_MouseEvent_BUTTON2;
2709 case RIGHT_BUTTON:
2710 return java_awt_event_MouseEvent_BUTTON3;
2711 case X1_BUTTON: //16 :
2712 //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now
2713 return 4;
2714 case X2_BUTTON: //32
2715 return 5;
2716 }
2717 return java_awt_event_MouseEvent_NOBUTTON;
2718 }
2719
2720 UINT
2721 AwtComponent::GetButtonMK(int mouseButton)
2722 {
2723 switch(mouseButton) {
2724 case LEFT_BUTTON:
2725 return MK_LBUTTON;
2726 case MIDDLE_BUTTON:
2727 return MK_MBUTTON;
2728 case RIGHT_BUTTON:
2729 return MK_RBUTTON;
2730 case X1_BUTTON:
2731 return MK_XBUTTON1;
2732 case X2_BUTTON:
2733 return MK_XBUTTON2;
2734 }
2735 return 0;
2736 }
2737
2738 // FIXME: Keyboard related stuff has grown so big and hairy that we
2739 // really need to move it into a class of its own. And, since
2740 // keyboard is a shared resource, AwtComponent is a bad place for it.
2741
2742 // These constants are defined in the Japanese version of VC++5.0,
2743 // but not the US version
2744 #ifndef VK_CONVERT
2745 #define VK_KANA 0x15
2746 #define VK_KANJI 0x19
2747 #define VK_CONVERT 0x1C
2748 #define VK_NONCONVERT 0x1D
2749 #endif
2750
2751 #ifndef VK_XBUTTON1
2752 #define VK_XBUTTON1 0x05
2753 #endif
2754
2755 #ifndef VK_XBUTTON2
2756 #define VK_XBUTTON2 0x06
2757 #endif
2758
2759 typedef struct {
2760 UINT javaKey;
2761 UINT windowsKey;
2762 } KeyMapEntry;
2763
2764 // Static table, arranged more or less spatially.
2765 KeyMapEntry keyMapTable[] = {
2766 // Modifier keys
2767 {java_awt_event_KeyEvent_VK_CAPS_LOCK, VK_CAPITAL},
2768 {java_awt_event_KeyEvent_VK_SHIFT, VK_SHIFT},
2769 {java_awt_event_KeyEvent_VK_CONTROL, VK_CONTROL},
2770 {java_awt_event_KeyEvent_VK_ALT, VK_MENU},
2771 {java_awt_event_KeyEvent_VK_NUM_LOCK, VK_NUMLOCK},
2772
2773 // Miscellaneous Windows keys
2774 {java_awt_event_KeyEvent_VK_WINDOWS, VK_LWIN},
2775 {java_awt_event_KeyEvent_VK_WINDOWS, VK_RWIN},
2776 {java_awt_event_KeyEvent_VK_CONTEXT_MENU, VK_APPS},
2777
2778 // Alphabet
2779 {java_awt_event_KeyEvent_VK_A, 'A'},
2780 {java_awt_event_KeyEvent_VK_B, 'B'},
2781 {java_awt_event_KeyEvent_VK_C, 'C'},
2782 {java_awt_event_KeyEvent_VK_D, 'D'},
2783 {java_awt_event_KeyEvent_VK_E, 'E'},
2784 {java_awt_event_KeyEvent_VK_F, 'F'},
2785 {java_awt_event_KeyEvent_VK_G, 'G'},
2786 {java_awt_event_KeyEvent_VK_H, 'H'},
2787 {java_awt_event_KeyEvent_VK_I, 'I'},
2788 {java_awt_event_KeyEvent_VK_J, 'J'},
2789 {java_awt_event_KeyEvent_VK_K, 'K'},
2790 {java_awt_event_KeyEvent_VK_L, 'L'},
2791 {java_awt_event_KeyEvent_VK_M, 'M'},
2792 {java_awt_event_KeyEvent_VK_N, 'N'},
2793 {java_awt_event_KeyEvent_VK_O, 'O'},
2794 {java_awt_event_KeyEvent_VK_P, 'P'},
2795 {java_awt_event_KeyEvent_VK_Q, 'Q'},
2796 {java_awt_event_KeyEvent_VK_R, 'R'},
2797 {java_awt_event_KeyEvent_VK_S, 'S'},
2798 {java_awt_event_KeyEvent_VK_T, 'T'},
2799 {java_awt_event_KeyEvent_VK_U, 'U'},
2800 {java_awt_event_KeyEvent_VK_V, 'V'},
2801 {java_awt_event_KeyEvent_VK_W, 'W'},
2802 {java_awt_event_KeyEvent_VK_X, 'X'},
2803 {java_awt_event_KeyEvent_VK_Y, 'Y'},
2804 {java_awt_event_KeyEvent_VK_Z, 'Z'},
2805
2806 // Standard numeric row
2807 {java_awt_event_KeyEvent_VK_0, '0'},
2808 {java_awt_event_KeyEvent_VK_1, '1'},
2809 {java_awt_event_KeyEvent_VK_2, '2'},
2810 {java_awt_event_KeyEvent_VK_3, '3'},
2811 {java_awt_event_KeyEvent_VK_4, '4'},
2812 {java_awt_event_KeyEvent_VK_5, '5'},
2813 {java_awt_event_KeyEvent_VK_6, '6'},
2814 {java_awt_event_KeyEvent_VK_7, '7'},
2815 {java_awt_event_KeyEvent_VK_8, '8'},
2816 {java_awt_event_KeyEvent_VK_9, '9'},
2817
2818 // Misc key from main block
2819 {java_awt_event_KeyEvent_VK_ENTER, VK_RETURN},
2820 {java_awt_event_KeyEvent_VK_SPACE, VK_SPACE},
2821 {java_awt_event_KeyEvent_VK_BACK_SPACE, VK_BACK},
2822 {java_awt_event_KeyEvent_VK_TAB, VK_TAB},
2823 {java_awt_event_KeyEvent_VK_ESCAPE, VK_ESCAPE},
2824
2825 // NumPad with NumLock off & extended block (rectangular)
2826 {java_awt_event_KeyEvent_VK_INSERT, VK_INSERT},
2827 {java_awt_event_KeyEvent_VK_DELETE, VK_DELETE},
2828 {java_awt_event_KeyEvent_VK_HOME, VK_HOME},
2829 {java_awt_event_KeyEvent_VK_END, VK_END},
2830 {java_awt_event_KeyEvent_VK_PAGE_UP, VK_PRIOR},
2831 {java_awt_event_KeyEvent_VK_PAGE_DOWN, VK_NEXT},
2832 {java_awt_event_KeyEvent_VK_CLEAR, VK_CLEAR}, // NumPad 5
2833
2834 // NumPad with NumLock off & extended arrows block (triangular)
2835 {java_awt_event_KeyEvent_VK_LEFT, VK_LEFT},
2836 {java_awt_event_KeyEvent_VK_RIGHT, VK_RIGHT},
2837 {java_awt_event_KeyEvent_VK_UP, VK_UP},
2838 {java_awt_event_KeyEvent_VK_DOWN, VK_DOWN},
2839
2840 // NumPad with NumLock on: numbers
2841 {java_awt_event_KeyEvent_VK_NUMPAD0, VK_NUMPAD0},
2842 {java_awt_event_KeyEvent_VK_NUMPAD1, VK_NUMPAD1},
2843 {java_awt_event_KeyEvent_VK_NUMPAD2, VK_NUMPAD2},
2844 {java_awt_event_KeyEvent_VK_NUMPAD3, VK_NUMPAD3},
2845 {java_awt_event_KeyEvent_VK_NUMPAD4, VK_NUMPAD4},
2846 {java_awt_event_KeyEvent_VK_NUMPAD5, VK_NUMPAD5},
2847 {java_awt_event_KeyEvent_VK_NUMPAD6, VK_NUMPAD6},
2848 {java_awt_event_KeyEvent_VK_NUMPAD7, VK_NUMPAD7},
2849 {java_awt_event_KeyEvent_VK_NUMPAD8, VK_NUMPAD8},
2850 {java_awt_event_KeyEvent_VK_NUMPAD9, VK_NUMPAD9},
2851
2852 // NumPad with NumLock on
2853 {java_awt_event_KeyEvent_VK_MULTIPLY, VK_MULTIPLY},
2854 {java_awt_event_KeyEvent_VK_ADD, VK_ADD},
2855 {java_awt_event_KeyEvent_VK_SEPARATOR, VK_SEPARATOR},
2856 {java_awt_event_KeyEvent_VK_SUBTRACT, VK_SUBTRACT},
2857 {java_awt_event_KeyEvent_VK_DECIMAL, VK_DECIMAL},
2858 {java_awt_event_KeyEvent_VK_DIVIDE, VK_DIVIDE},
2859
2860 // Functional keys
2861 {java_awt_event_KeyEvent_VK_F1, VK_F1},
2862 {java_awt_event_KeyEvent_VK_F2, VK_F2},
2863 {java_awt_event_KeyEvent_VK_F3, VK_F3},
2864 {java_awt_event_KeyEvent_VK_F4, VK_F4},
2865 {java_awt_event_KeyEvent_VK_F5, VK_F5},
2866 {java_awt_event_KeyEvent_VK_F6, VK_F6},
2867 {java_awt_event_KeyEvent_VK_F7, VK_F7},
2868 {java_awt_event_KeyEvent_VK_F8, VK_F8},
2869 {java_awt_event_KeyEvent_VK_F9, VK_F9},
2870 {java_awt_event_KeyEvent_VK_F10, VK_F10},
2871 {java_awt_event_KeyEvent_VK_F11, VK_F11},
2872 {java_awt_event_KeyEvent_VK_F12, VK_F12},
2873 {java_awt_event_KeyEvent_VK_F13, VK_F13},
2874 {java_awt_event_KeyEvent_VK_F14, VK_F14},
2875 {java_awt_event_KeyEvent_VK_F15, VK_F15},
2876 {java_awt_event_KeyEvent_VK_F16, VK_F16},
2877 {java_awt_event_KeyEvent_VK_F17, VK_F17},
2878 {java_awt_event_KeyEvent_VK_F18, VK_F18},
2879 {java_awt_event_KeyEvent_VK_F19, VK_F19},
2880 {java_awt_event_KeyEvent_VK_F20, VK_F20},
2881 {java_awt_event_KeyEvent_VK_F21, VK_F21},
2882 {java_awt_event_KeyEvent_VK_F22, VK_F22},
2883 {java_awt_event_KeyEvent_VK_F23, VK_F23},
2884 {java_awt_event_KeyEvent_VK_F24, VK_F24},
2885
2886 {java_awt_event_KeyEvent_VK_PRINTSCREEN, VK_SNAPSHOT},
2887 {java_awt_event_KeyEvent_VK_SCROLL_LOCK, VK_SCROLL},
2888 {java_awt_event_KeyEvent_VK_PAUSE, VK_PAUSE},
2889 {java_awt_event_KeyEvent_VK_CANCEL, VK_CANCEL},
2890 {java_awt_event_KeyEvent_VK_HELP, VK_HELP},
2891
2892 // Japanese
2893 {java_awt_event_KeyEvent_VK_CONVERT, VK_CONVERT},
2894 {java_awt_event_KeyEvent_VK_NONCONVERT, VK_NONCONVERT},
2895 {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI},
2896 {java_awt_event_KeyEvent_VK_ALPHANUMERIC, VK_DBE_ALPHANUMERIC},
2897 {java_awt_event_KeyEvent_VK_KATAKANA, VK_DBE_KATAKANA},
2898 {java_awt_event_KeyEvent_VK_HIRAGANA, VK_DBE_HIRAGANA},
2899 {java_awt_event_KeyEvent_VK_FULL_WIDTH, VK_DBE_DBCSCHAR},
2900 {java_awt_event_KeyEvent_VK_HALF_WIDTH, VK_DBE_SBCSCHAR},
2901 {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN},
2902
2903 {java_awt_event_KeyEvent_VK_UNDEFINED, 0}
2904 };
2905
2906
2907 // Dynamic mapping table for OEM VK codes. This table is refilled
2908 // by BuildDynamicKeyMapTable when keyboard layout is switched.
2909 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values).
2910 struct DynamicKeyMapEntry {
2911 UINT windowsKey; // OEM VK codes known in advance
2912 UINT javaKey; // depends on input langauge (kbd layout)
2913 };
2914
2915 static DynamicKeyMapEntry dynamicKeyMapTable[] = {
2916 {0x00BA, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1
2917 {0x00BB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS
2918 {0x00BC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA
2919 {0x00BD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS
2920 {0x00BE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD
2921 {0x00BF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2
2922 {0x00C0, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3
2923 {0x00DB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4
2924 {0x00DC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5
2925 {0x00DD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6
2926 {0x00DE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7
2927 {0x00DF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8
2928 {0x00E2, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102
2929 {0, 0}
2930 };
2931
2932
2933
2934 // Auxiliary tables used to fill the above dynamic table. We first
2935 // find the character for the OEM VK code using ::MapVirtualKey and
2936 // then go through these auxiliary tables to map it to Java VK code.
2937
2938 struct CharToVKEntry {
2939 WCHAR c;
2940 UINT javaKey;
2941 };
2942
2943 static const CharToVKEntry charToVKTable[] = {
2944 {L'!', java_awt_event_KeyEvent_VK_EXCLAMATION_MARK},
2945 {L'"', java_awt_event_KeyEvent_VK_QUOTEDBL},
2946 {L'#', java_awt_event_KeyEvent_VK_NUMBER_SIGN},
2947 {L'$', java_awt_event_KeyEvent_VK_DOLLAR},
2948 {L'&', java_awt_event_KeyEvent_VK_AMPERSAND},
2949 {L'\'', java_awt_event_KeyEvent_VK_QUOTE},
2950 {L'(', java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS},
2951 {L')', java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS},
2952 {L'*', java_awt_event_KeyEvent_VK_ASTERISK},
2953 {L'+', java_awt_event_KeyEvent_VK_PLUS},
2954 {L',', java_awt_event_KeyEvent_VK_COMMA},
2955 {L'-', java_awt_event_KeyEvent_VK_MINUS},
2956 {L'.', java_awt_event_KeyEvent_VK_PERIOD},
2957 {L'/', java_awt_event_KeyEvent_VK_SLASH},
2958 {L':', java_awt_event_KeyEvent_VK_COLON},
2959 {L';', java_awt_event_KeyEvent_VK_SEMICOLON},
2960 {L'<', java_awt_event_KeyEvent_VK_LESS},
2961 {L'=', java_awt_event_KeyEvent_VK_EQUALS},
2962 {L'>', java_awt_event_KeyEvent_VK_GREATER},
2963 {L'@', java_awt_event_KeyEvent_VK_AT},
2964 {L'[', java_awt_event_KeyEvent_VK_OPEN_BRACKET},
2965 {L'\\', java_awt_event_KeyEvent_VK_BACK_SLASH},
2966 {L']', java_awt_event_KeyEvent_VK_CLOSE_BRACKET},
2967 {L'^', java_awt_event_KeyEvent_VK_CIRCUMFLEX},
2968 {L'_', java_awt_event_KeyEvent_VK_UNDERSCORE},
2969 {L'`', java_awt_event_KeyEvent_VK_BACK_QUOTE},
2970 {L'{', java_awt_event_KeyEvent_VK_BRACELEFT},
2971 {L'}', java_awt_event_KeyEvent_VK_BRACERIGHT},
2972 {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK},
2973 {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ????
2974 {0,0}
2975 };
2976
2977 // For dead accents some layouts return ASCII punctuation, while some
2978 // return spacing accent chars, so both should be listed. NB: MS docs
2979 // say that conversion routings return spacing accent character, not
2980 // combining.
2981 static const CharToVKEntry charToDeadVKTable[] = {
2982 {L'`', java_awt_event_KeyEvent_VK_DEAD_GRAVE},
2983 {L'\'', java_awt_event_KeyEvent_VK_DEAD_ACUTE},
2984 {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE},
2985 {L'^', java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX},
2986 {L'~', java_awt_event_KeyEvent_VK_DEAD_TILDE},
2987 {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE},
2988 {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON},
2989 {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE},
2990 {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT},
2991 {L'"', java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
2992 {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
2993 {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING},
2994 {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE},
2995 {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON}, // aka hacek
2996 {L',', java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
2997 {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
2998 {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK},
2999 {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA}, // ASCII ???
3000 {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND},
3001 {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND},
3002 {0x0004, java_awt_event_KeyEvent_VK_COMPOSE},
3003 {0,0}
3004 };
3005
3006 // The full map of the current keyboard state including
3007 // windows virtual key, scancode, java virtual key, and unicode
3008 // for this key sans modifiers.
3009 // All but first element may be 0.
3010 // XXX in the update releases this is an addition to the unchanged existing code
3011 struct DynPrimaryKeymapEntry {
3012 UINT wkey;
3013 UINT scancode;
3014 UINT jkey;
3015 WCHAR unicode;
3016 };
3017
3018 static DynPrimaryKeymapEntry dynPrimaryKeymap[256];
3019
3020 void
3021 AwtComponent::InitDynamicKeyMapTable()
3022 {
3023 static BOOL kbdinited = FALSE;
3024
3025 if (!kbdinited) {
3026 AwtComponent::BuildDynamicKeyMapTable();
3027 // We cannot build it here since JNI is not available yet:
3028 //AwtComponent::BuildPrimaryDynamicTable();
3029 kbdinited = TRUE;
3030 }
3031 }
3032
3033 void
3034 AwtComponent::BuildDynamicKeyMapTable()
3035 {
3036 HKL hkl = GetKeyboardLayout();
3037
3038 DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)",
3039 hkl, AwtComponent::GetCodePage());
3040
3041 // Will need this to reset layout after dead keys.
3042 UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl);
3043
3044 // Entries in dynamic table that maps between Java VK and Windows
3045 // VK are built in three steps:
3046 // 1. Map windows VK to ANSI character (cannot map to unicode
3047 // directly, since ::ToUnicode is not implemented on win9x)
3048 // 2. Convert ANSI char to Unicode char
3049 // 3. Map Unicode char to Java VK via two auxilary tables.
3050
3051 for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable;
3052 dynamic->windowsKey != 0;
3053 ++dynamic)
3054 {
3055 // Defaults to VK_UNDEFINED
3056 dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED;
3057
3058 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3059 AwtToolkit::GetKeyboardState(kbdState);
3060
3061 kbdState[dynamic->windowsKey] |= 0x80; // Press the key.
3062
3063 // Unpress modifiers, since they are most likely pressed as
3064 // part of the keyboard switching shortcut.
3065 kbdState[VK_CONTROL] &= ~0x80;
3066 kbdState[VK_SHIFT] &= ~0x80;
3067 kbdState[VK_MENU] &= ~0x80;
3068
3069 char cbuf[2] = { '\0', '\0'};
3070 UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl);
3071 int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState,
3072 (WORD*)cbuf, 0, hkl);
3073
3074 // Auxiliary table used to map Unicode character to Java VK.
3075 // Will assign a different table for dead keys (below).
3076 const CharToVKEntry *charMap = charToVKTable;
3077
3078 if (nchars < 0) { // Dead key
3079 // Use a different table for dead chars since different layouts
3080 // return different characters for the same dead key.
3081 charMap = charToDeadVKTable;
3082
3083 // We also need to reset layout so that next translation
3084 // is unaffected by the dead status. We do this by
3085 // translating <SPACE> key.
3086 kbdState[dynamic->windowsKey] &= ~0x80;
3087 kbdState[VK_SPACE] |= 0x80;
3088
3089 char junkbuf[2] = { '\0', '\0'};
3090 ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState,
3091 (WORD*)junkbuf, 0, hkl);
3092 }
3093
3094 #ifdef DEBUG
3095 if (nchars == 0) {
3096 DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char",
3097 dynamic->windowsKey);
3098 continue;
3099 }
3100 else if (nchars > 1) { // can't happen, see reset code below
3101 DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>",
3102 dynamic->windowsKey,
3103 (UCHAR)cbuf[0], (UCHAR)cbuf[1]);
3104 continue;
3105 }
3106 #endif
3107
3108 WCHAR ucbuf[2] = { L'\0', L'\0' };
3109 int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0,
3110 cbuf, 1, ucbuf, 2);
3111 #ifdef DEBUG
3112 if (nconverted < 0) {
3113 DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)",
3114 dynamic->windowsKey, (UCHAR)cbuf[0],
3115 ::GetLastError());
3116 continue;
3117 }
3118 #endif
3119
3120 WCHAR uc = ucbuf[0];
3121 for (const CharToVKEntry *map = charMap; map->c != 0; ++map) {
3122 if (uc == map->c) {
3123 dynamic->javaKey = map->javaKey;
3124 break;
3125 }
3126 }
3127
3128 DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X",
3129 dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0],
3130 dynamic->javaKey);
3131 } // for each VK_OEM_*
3132 }
3133
3134
3135 static BOOL isKanaLockAvailable()
3136 {
3137 // This method is to determine whether the Kana Lock feature is
3138 // available on the attached keyboard. Kana Lock feature does not
3139 // necessarily require that the real KANA keytop is available on
3140 // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing.
3141 // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :-
3142 //
3143 // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL)
3144 // - the keyboard is Japanese keyboard (keyboard type == 7).
3145 return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT))
3146 && (GetKeyboardType(0) == 7);
3147 }
3148
3149 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey,
3150 UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey)
3151 {
3152 // Handle the few cases where a Java VK code corresponds to a Windows
3153 // key/modifier combination or applies only to specific keyboard layouts
3154 switch (javaKey) {
3155 case java_awt_event_KeyEvent_VK_ALL_CANDIDATES:
3156 *windowsKey = VK_CONVERT;
3157 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3158 return;
3159 case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE:
3160 *windowsKey = VK_CONVERT;
3161 *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3162 return;
3163 case java_awt_event_KeyEvent_VK_CODE_INPUT:
3164 *windowsKey = VK_DBE_ALPHANUMERIC;
3165 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3166 return;
3167 case java_awt_event_KeyEvent_VK_KANA_LOCK:
3168 if (isKanaLockAvailable()) {
3169 *windowsKey = VK_KANA;
3170 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK;
3171 return;
3172 }
3173 }
3174
3175 // for the general case, use a bi-directional table
3176 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3177 if (keyMapTable[i].javaKey == javaKey) {
3178 *windowsKey = keyMapTable[i].windowsKey;
3179 *modifiers = 0;
3180 return;
3181 }
3182 }
3183
3184 // Bug 4766655
3185 // Two Windows keys could map to the same Java key, so
3186 // give preference to the originalWindowsKey if it is
3187 // specified (not IGNORE_KEY).
3188 if (originalWindowsKey == IGNORE_KEY) {
3189 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3190 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3191 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3192 *modifiers = 0;
3193 return;
3194 }
3195 }
3196 } else {
3197 BOOL found = false;
3198 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3199 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3200 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3201 *modifiers = 0;
3202 found = true;
3203 if (*windowsKey == originalWindowsKey) {
3204 return; /* if ideal case found return, else keep looking */
3205 }
3206 }
3207 }
3208 if (found) {
3209 return;
3210 }
3211 }
3212
3213 *windowsKey = 0;
3214 *modifiers = 0;
3215 return;
3216 }
3217
3218 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey)
3219
3220 {
3221 // Handle the few cases where we need to take the modifier into
3222 // consideration for the Java VK code or where we have to take the keyboard
3223 // layout into consideration so that function keys can get
3224 // recognized in a platform-independent way.
3225 switch (windowsKey) {
3226 case VK_CONVERT:
3227 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3228 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES;
3229 }
3230 if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) {
3231 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE;
3232 }
3233 break;
3234 case VK_DBE_ALPHANUMERIC:
3235 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3236 return java_awt_event_KeyEvent_VK_CODE_INPUT;
3237 }
3238 break;
3239 case VK_KANA:
3240 if (isKanaLockAvailable()) {
3241 return java_awt_event_KeyEvent_VK_KANA_LOCK;
3242 }
3243 break;
3244 };
3245
3246 // check dead key
3247 if (isDeadKey) {
3248 for (int i = 0; charToDeadVKTable[i].c != 0; i++) {
3249 if (charToDeadVKTable[i].c == character) {
3250 return charToDeadVKTable[i].javaKey;
3251 }
3252 }
3253 }
3254
3255 // for the general case, use a bi-directional table
3256 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3257 if (keyMapTable[i].windowsKey == windowsKey) {
3258 return keyMapTable[i].javaKey;
3259 }
3260 }
3261
3262 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3263 if (dynamicKeyMapTable[j].windowsKey == windowsKey) {
3264 if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) {
3265 return dynamicKeyMapTable[j].javaKey;
3266 }else{
3267 break;
3268 }
3269 }
3270 }
3271
3272 return java_awt_event_KeyEvent_VK_UNDEFINED;
3273 }
3274
3275 BOOL AwtComponent::IsNavigationKey(UINT wkey) {
3276 switch (wkey) {
3277 case VK_END:
3278 case VK_PRIOR: // PageUp
3279 case VK_NEXT: // PageDown
3280 case VK_HOME:
3281 case VK_LEFT:
3282 case VK_UP:
3283 case VK_RIGHT:
3284 case VK_DOWN:
3285 return TRUE;
3286 }
3287 return FALSE;
3288 }
3289
3290 // determine if a key is a numpad key (distinguishes the numpad
3291 // arrow keys from the non-numpad arrow keys, for example).
3292 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended)
3293 {
3294 // Note: scancodes are the same for the numpad arrow keys and
3295 // the non-numpad arrow keys (also for PageUp, etc.).
3296 // The scancodes for the numpad divide and the non-numpad slash
3297 // are the same, but the wparams are different
3298
3299 DTRACE_PRINTLN3("AwtComponent::IsNumPadKey vkey = %d = 0x%x extended = %d",
3300 vkey, vkey, extended);
3301
3302 switch (vkey) {
3303 case VK_CLEAR: // numpad 5 with numlock off
3304 case VK_NUMPAD0:
3305 case VK_NUMPAD1:
3306 case VK_NUMPAD2:
3307 case VK_NUMPAD3:
3308 case VK_NUMPAD4:
3309 case VK_NUMPAD5:
3310 case VK_NUMPAD6:
3311 case VK_NUMPAD7:
3312 case VK_NUMPAD8:
3313 case VK_NUMPAD9:
3314 case VK_MULTIPLY:
3315 case VK_ADD:
3316 case VK_SEPARATOR: // numpad , not on US kbds
3317 case VK_SUBTRACT:
3318 case VK_DECIMAL:
3319 case VK_DIVIDE:
3320 case VK_NUMLOCK:
3321 return TRUE;
3322 break;
3323 case VK_END:
3324 case VK_PRIOR: // PageUp
3325 case VK_NEXT: // PageDown
3326 case VK_HOME:
3327 case VK_LEFT:
3328 case VK_UP:
3329 case VK_RIGHT:
3330 case VK_DOWN:
3331 case VK_INSERT:
3332 case VK_DELETE:
3333 // extended if non-numpad
3334 return (!extended);
3335 break;
3336 case VK_RETURN: // extended if on numpad
3337 return (extended);
3338 break;
3339 default:
3340 break;
3341 }
3342
3343 return FALSE;
3344 }
3345 static void
3346 resetKbdState( BYTE kstate[256]) {
3347 BYTE tmpState[256];
3348 WCHAR wc[2];
3349 memmove(tmpState, kstate, sizeof(kstate));
3350 tmpState[VK_SHIFT] = 0;
3351 tmpState[VK_CONTROL] = 0;
3352 tmpState[VK_MENU] = 0;
3353
3354 ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0, GetKeyboardLayout(0));
3355 }
3356
3357 // XXX in the update releases this is an addition to the unchanged existing code
3358 // After the call, a table will have a unicode associated with a windows virtual keycode
3359 // sans modifiers. With some further simplification, one can
3360 // derive java keycode from it, and anyway we will pass this unicode value
3361 // all the way up in a comment to a KeyEvent.
3362 void
3363 AwtComponent::BuildPrimaryDynamicTable() {
3364 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3365 // XXX: how about that?
3366 //CriticalSection::Lock l(GetLock());
3367 //if (GetPeer(env) == NULL) {
3368 // /* event received during termination. */
3369 // return;
3370 //}
3371
3372 HKL hkl = GetKeyboardLayout();
3373 UINT sc = 0;
3374 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3375 memset(kbdState, 0, sizeof (kbdState));
3376
3377 // Use JNI call to obtain java key code. We should keep a list
3378 // of currently available keycodes in a single place.
3379 static jclass extKeyCodesCls;
3380 if( extKeyCodesCls == NULL) {
3381 jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes");
3382 DASSERT(extKeyCodesClsLocal);
3383 CHECK_NULL(extKeyCodesClsLocal);
3384 extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal);
3385 env->DeleteLocalRef(extKeyCodesClsLocal);
3386 }
3387 static jmethodID getExtendedKeyCodeForChar;
3388 if (getExtendedKeyCodeForChar == NULL) {
3389 getExtendedKeyCodeForChar =
3390 env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I");
3391 DASSERT(getExtendedKeyCodeForChar);
3392 CHECK_NULL(getExtendedKeyCodeForChar);
3393 }
3394 jint extJKC; //extended Java key code
3395
3396 for (UINT i = 0; i < 256; i++) {
3397 dynPrimaryKeymap[i].wkey = i;
3398 dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED;
3399 dynPrimaryKeymap[i].unicode = 0;
3400
3401 if ((sc = MapVirtualKey (i, 0)) == 0) {
3402 dynPrimaryKeymap[i].scancode = 0;
3403 continue;
3404 }
3405 dynPrimaryKeymap[i].scancode = sc;
3406
3407 // XXX process cases like VK_SHIFT etc.
3408 kbdState[i] = 0x80; // "key pressed".
3409 WCHAR wc[16];
3410 int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl);
3411 if (k == 1) {
3412 // unicode
3413 dynPrimaryKeymap[i].unicode = wc[0];
3414 if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3415 // Convert unicode to java keycode.
3416 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000);
3417 //
3418 //XXX If this key in on the keypad, we should force a special value equal to
3419 //XXX an old java keycode: but how to say if it is a keypad key?
3420 //XXX We'll do it in WmKeyUp/Down.
3421 extJKC = env->CallStaticIntMethod(extKeyCodesCls,
3422 getExtendedKeyCodeForChar, (jint)(wc[0]));
3423 dynPrimaryKeymap[i].jkey = extJKC;
3424 }
3425 }else if (k == -1) {
3426 // dead key: use charToDeadVKTable
3427 dynPrimaryKeymap[i].unicode = wc[0];
3428 resetKbdState( kbdState );
3429 for (const CharToVKEntry *map = charToDeadVKTable; map->c != 0; ++map) {
3430 if (wc[0] == map->c) {
3431 dynPrimaryKeymap[i].jkey = map->javaKey;
3432 break;
3433 }
3434 }
3435 } else if (k == 0) {
3436 // reset
3437 resetKbdState( kbdState );
3438 }else {
3439 // k > 1: this key does generate multiple characters. Ignore it.
3440 // An example: Arabic Lam and Alef ligature.
3441 // There will be no extended keycode and thus shortcuts for this key.
3442 // XXX shouldn't we reset the kbd state?
3443 #ifdef DEBUG
3444 DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i);
3445 #endif
3446 }
3447 kbdState[i] = 0; // "key unpressed"
3448 }
3449 }
3450 void
3451 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers)
3452 {
3453 if( wkey && wkey < 256 ) {
3454 if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) {
3455 // At the creation time,
3456 // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /"
3457 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3458 }
3459 if(dynPrimaryKeymap[wkey].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3460 // E.g. it is non-unicode key
3461 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3462 }
3463 }
3464 }
3465
3466 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey)
3467 {
3468 static Hashtable transTable("VKEY translations");
3469 static Hashtable deadKeyFlagTable("Dead Key Flags");
3470 isDeadKey = FALSE;
3471
3472 // Try to translate using last saved translation
3473 if (ops == LOAD) {
3474 void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3475 void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3476 if (value != NULL) {
3477 isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag));
3478 return static_cast<UINT>(reinterpret_cast<INT_PTR>(value));
3479 }
3480 }
3481
3482 // If the windows key is a return, wkey will equal 13 ('\r')
3483 // In this case, we want to return 10 ('\n')
3484 // Since ToAscii would convert VK_RETURN to '\r', we need
3485 // to have a special case here.
3486 if (wkey == VK_RETURN)
3487 return '\n';
3488
3489 // high order bit in keyboardState indicates whether the key is down
3490 static const BYTE KEY_STATE_DOWN = 0x80;
3491 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
3492 AwtToolkit::GetKeyboardState(keyboardState);
3493
3494 // apply modifiers to keyboard state if necessary
3495 BOOL shiftIsDown = FALSE;
3496 if (modifiers) {
3497 shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3498 BOOL altIsDown = modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK;
3499 BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK;
3500
3501 // Windows treats AltGr as Ctrl+Alt
3502 if (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK) {
3503 altIsDown = TRUE;
3504 ctrlIsDown = TRUE;
3505 }
3506
3507 if (shiftIsDown) {
3508 keyboardState[VK_SHIFT] |= KEY_STATE_DOWN;
3509 }
3510
3511 // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715)
3512 // Here we try to resolve a conflict with ::ToAsciiEx's translating
3513 // ALT+number key combinations. kdm@sarc.spb.su
3514 // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail.
3515 if( IsNavigationKey(wkey) ) {
3516 keyboardState[VK_MENU] &= ~KEY_STATE_DOWN;
3517 }
3518
3519 if (ctrlIsDown)
3520 {
3521 if (altIsDown) {
3522 // bugid 4215009: don't mess with AltGr == Ctrl + Alt
3523 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3524 }
3525 else {
3526 // bugid 4098210: old event model doesn't have KEY_TYPED
3527 // events, so try to provide a meaningful character for
3528 // Ctrl+<key>. Take Ctrl into account only when we know
3529 // that Ctrl+<key> will be an ASCII control. Ignore by
3530 // default.
3531 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN;
3532
3533 // Letters have Ctrl+<letter> counterparts. According to
3534 // <winuser.h> VK_A through VK_Z are the same as ASCII
3535 // 'A' through 'Z'.
3536 if (wkey >= 'A' && wkey <= 'Z') {
3537 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3538 }
3539 else {
3540 // Non-letter controls 033 to 037 are:
3541 // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US)
3542
3543 // Shift state bits returned by ::VkKeyScan in HIBYTE
3544 static const UINT _VKS_SHIFT_MASK = 0x01;
3545 static const UINT _VKS_CTRL_MASK = 0x02;
3546 static const UINT _VKS_ALT_MASK = 0x04;
3547
3548 // Check to see whether there is a meaningful translation
3549 TCHAR ch;
3550 short vk;
3551 for (ch = _T('\033'); ch < _T('\040'); ch++) {
3552 vk = ::VkKeyScan(ch);
3553 if (wkey == LOBYTE(vk)) {
3554 UINT shiftState = HIBYTE(vk);
3555 if ((shiftState & _VKS_CTRL_MASK) ||
3556 (!(shiftState & _VKS_SHIFT_MASK)
3557 == !shiftIsDown))
3558 {
3559 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3560 }
3561 break;
3562 }
3563 }
3564 }
3565 } // ctrlIsDown && altIsDown
3566 } // ctrlIsDown
3567 } // modifiers
3568
3569 WORD wChar[2];
3570 int converted = 1;
3571 UINT ch = ::MapVirtualKeyEx(wkey, 2, GetKeyboardLayout());
3572 if (ch & 0x80000000) {
3573 // Dead key which is handled as a normal key
3574 isDeadKey = deadKeyActive = TRUE;
3575 } else if (deadKeyActive) {
3576 // We cannot use ::ToUnicodeEx if dead key is active because this will
3577 // break dead key function
3578 wChar[0] = shiftIsDown ? ch : tolower(ch);
3579 } else {
3580 UINT scancode = ::MapVirtualKey(wkey, 0);
3581 converted = ::ToUnicodeEx(wkey, scancode, keyboardState,
3582 wChar, 2, 0, GetKeyboardLayout());
3583 }
3584
3585 UINT translation;
3586 BOOL deadKeyFlag = (converted == 2);
3587
3588 // Dead Key
3589 if (converted < 0 || isDeadKey) {
3590 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3591 } else
3592 // No translation available -- try known conversions or else punt.
3593 if (converted == 0) {
3594 if (wkey == VK_DELETE) {
3595 translation = '\177';
3596 } else
3597 if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) {
3598 translation = '0' + wkey - VK_NUMPAD0;
3599 } else {
3600 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3601 }
3602 } else
3603 // the caller expects a Unicode character.
3604 if (converted > 0) {
3605 translation = wChar[0];
3606 }
3607 if (ops == SAVE) {
3608 transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3609 reinterpret_cast<void*>(static_cast<INT_PTR>(translation)));
3610 if (deadKeyFlag) {
3611 deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3612 reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag)));
3613 } else {
3614 deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3615 }
3616 }
3617
3618 isDeadKey = deadKeyFlag;
3619 return translation;
3620 }
3621
3622 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt,
3623 UINT flags, BOOL system)
3624 {
3625 // VK_PROCESSKEY is a special value which means
3626 // "Current IME wants to consume this KeyEvent"
3627 // Real key code is saved by IMM32.DLL and can be retrieved by
3628 // calling ImmGetVirtualKey();
3629 if (wkey == VK_PROCESSKEY) {
3630 return mrDoDefault;
3631 }
3632 MSG msg;
3633 InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN),
3634 wkey, MAKELPARAM(repCnt, flags));
3635
3636 UINT modifiers = GetJavaModifiers();
3637 jint keyLocation = GetKeyLocation(wkey, flags);
3638 BOOL isDeadKey = FALSE;
3639 UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey);
3640 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3641 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3642
3643
3644 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED,
3645 TimeHelper::getMessageTimeUTC(), jkey, character,
3646 modifiers, keyLocation, (jlong)wkey, &msg);
3647
3648 // bugid 4724007: Windows does not create a WM_CHAR for the Del key
3649 // for some reason, so we need to create the KEY_TYPED event on the
3650 // WM_KEYDOWN. Use null msg so the character doesn't get sent back
3651 // to the native window for processing (this event is synthesized
3652 // for Java - we don't want Windows trying to process it).
3653 if (jkey == java_awt_event_KeyEvent_VK_DELETE) {
3654 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3655 TimeHelper::getMessageTimeUTC(),
3656 java_awt_event_KeyEvent_VK_UNDEFINED,
3657 character, modifiers,
3658 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0);
3659 }
3660
3661 return mrConsume;
3662 }
3663
3664 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt,
3665 UINT flags, BOOL system)
3666 {
3667
3668 // VK_PROCESSKEY is a special value which means
3669 // "Current IME wants to consume this KeyEvent"
3670 // Real key code is saved by IMM32.DLL and can be retrieved by
3671 // calling ImmGetVirtualKey();
3672 if (wkey == VK_PROCESSKEY) {
3673 return mrDoDefault;
3674 }
3675 MSG msg;
3676 InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP),
3677 wkey, MAKELPARAM(repCnt, flags));
3678
3679 UINT modifiers = GetJavaModifiers();
3680 jint keyLocation = GetKeyLocation(wkey, flags);
3681 BOOL isDeadKey = FALSE;
3682 UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey);
3683 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3684 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3685
3686 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED,
3687 TimeHelper::getMessageTimeUTC(), jkey, character,
3688 modifiers, keyLocation, (jlong)wkey, &msg);
3689 return mrConsume;
3690 }
3691
3692 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout)
3693 {
3694 // Normally we would be able to use charset and TranslateCharSetInfo
3695 // to get a code page that should be associated with this keyboard
3696 // layout change. However, there seems to be an NT 4.0 bug associated
3697 // with the WM_INPUTLANGCHANGE message, which makes the charset parameter
3698 // unreliable, especially on Asian systems. Our workaround uses the
3699 // keyboard layout handle instead.
3700 m_hkl = hKeyboardLayout;
3701 m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID
3702 m_CodePage = LangToCodePage(m_idLang);
3703 BuildDynamicKeyMapTable(); // compute new mappings for VK_OEM
3704 BuildPrimaryDynamicTable();
3705 return mrConsume; // do not propagate to children
3706 }
3707
3708 // Convert Language ID to CodePage
3709 UINT AwtComponent::LangToCodePage(LANGID idLang)
3710 {
3711 TCHAR strCodePage[MAX_ACP_STR_LEN];
3712 // use the LANGID to create a LCID
3713 LCID idLocale = MAKELCID(idLang, SORT_DEFAULT);
3714 // get the ANSI code page associated with this locale
3715 if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 )
3716 return _ttoi(strCodePage);
3717 else
3718 return GetACP();
3719 }
3720
3721
3722 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system)
3723 {
3724 // We will simply create Java events here.
3725 WCHAR unicodeChar = character;
3726 MSG msg;
3727 InitMessage(&msg, WM_IME_CHAR, character,
3728 MAKELPARAM(repCnt, flags));
3729
3730 jint modifiers = GetJavaModifiers();
3731 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3732 TimeHelper::getMessageTimeUTC(),
3733 java_awt_event_KeyEvent_VK_UNDEFINED,
3734 unicodeChar, modifiers,
3735 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3736 &msg);
3737 return mrConsume;
3738 }
3739
3740 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags,
3741 BOOL system)
3742 {
3743 deadKeyActive = FALSE;
3744
3745 // Will only get WmChar messages with DBCS if we create them for
3746 // an Edit class in the WmForwardChar method. These synthesized
3747 // DBCS chars are ok to pass on directly to the default window
3748 // procedure. They've already been filtered through the Java key
3749 // event queue. We will never get the trail byte since the edit
3750 // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR,
3751 // PM_REMOVE). I would like to be able to pass this character off
3752 // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to
3753 // like that.
3754
3755 // We will simply create Java events here.
3756 UINT message = system ? WM_SYSCHAR : WM_CHAR;
3757
3758 // The Alt modifier is reported in the 29th bit of the lParam,
3759 // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)).
3760 bool alt_is_down = (flags & (1<<13)) != 0;
3761
3762 // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu
3763 // We should not pass this particular combination to Java.
3764
3765 if (system && alt_is_down) {
3766 if (character == VK_SPACE) {
3767 return mrDoDefault;
3768 }
3769 }
3770
3771 // If this is a WM_CHAR (non-system) message, then the Alt flag
3772 // indicates that the character was typed using an AltGr key
3773 // (which Windows treats as Ctrl+Alt), so in this case we do NOT
3774 // pass the Ctrl and Alt modifiers to Java, but instead we
3775 // replace them with Java's AltGraph modifier. Note: the AltGraph
3776 // modifier does not exist in 1.1.x releases.
3777 jint modifiers = GetJavaModifiers();
3778 if (!system && alt_is_down) {
3779 // character typed with AltGraph
3780 modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK
3781 | java_awt_event_InputEvent_CTRL_DOWN_MASK);
3782 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
3783 }
3784
3785 WCHAR unicodeChar = character;
3786
3787 // Kludge: Combine pending single byte with this char for some Chinese IMEs
3788 if (m_PendingLeadByte != 0) {
3789 character = (m_PendingLeadByte & 0x00ff) | (character << 8);
3790 m_PendingLeadByte = 0;
3791 ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2,
3792 &unicodeChar, 1);
3793 }
3794
3795 if (unicodeChar == VK_RETURN) {
3796 // Enter key generates \r in windows, but \n is required in java
3797 unicodeChar = java_awt_event_KeyEvent_VK_ENTER;
3798 }
3799 MSG msg;
3800 InitMessage(&msg, message, character,
3801 MAKELPARAM(repCnt, flags));
3802 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3803 TimeHelper::getMessageTimeUTC(),
3804 java_awt_event_KeyEvent_VK_UNDEFINED,
3805 unicodeChar, modifiers,
3806 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3807 &msg);
3808 return mrConsume;
3809 }
3810
3811 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam,
3812 BOOL synthetic)
3813 {
3814 // just post WM_CHAR with unicode key value
3815 DefWindowProc(WM_CHAR, (WPARAM)character, lParam);
3816 return mrConsume;
3817 }
3818
3819 MsgRouting AwtComponent::WmPaste()
3820 {
3821 return mrDoDefault;
3822 }
3823
3824 // support IME Composition messages
3825 void AwtComponent::SetCompositionWindow(RECT& r)
3826 {
3827 HWND hwnd = ImmGetHWnd();
3828 HIMC hIMC = ImmGetContext(hwnd);
3829 if (hIMC == NULL) {
3830 return;
3831 }
3832 COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}};
3833 ImmSetCompositionWindow(hIMC, &cf);
3834 ImmReleaseContext(hwnd, hIMC);
3835 }
3836
3837 void AwtComponent::OpenCandidateWindow(int x, int y)
3838 {
3839 UINT bits = 1;
3840 POINT p = {0, 0}; // upper left corner of the client area
3841 HWND hWnd = GetHWnd();
3842 HWND hTop = GetTopLevelParentForWindow(hWnd);
3843 ::ClientToScreen(hTop, &p);
3844 if (!m_bitsCandType) {
3845 SetCandidateWindow(m_bitsCandType, x - p.x, y - p.y);
3846 return;
3847 }
3848 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) {
3849 if ( m_bitsCandType & bits )
3850 SetCandidateWindow(iCandType, x - p.x, y - p.y);
3851 }
3852 if (m_bitsCandType != 0) {
3853 // REMIND: is there any chance GetProxyFocusOwner() returns NULL here?
3854 ::DefWindowProc(ImmGetHWnd(),
3855 WM_IME_NOTIFY, IMN_OPENCANDIDATE, m_bitsCandType);
3856 }
3857 }
3858
3859 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3860 {
3861 HWND hwnd = ImmGetHWnd();
3862 HIMC hIMC = ImmGetContext(hwnd);
3863 CANDIDATEFORM cf;
3864 cf.dwIndex = iCandType;
3865 cf.dwStyle = CFS_POINT;
3866 cf.ptCurrentPos.x = x;
3867 cf.ptCurrentPos.y = y;
3868
3869 ImmSetCandidateWindow(hIMC, &cf);
3870 ImmReleaseContext(hwnd, hIMC);
3871 }
3872
3873 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3874 {
3875 // If the Windows input context is disabled, do not let Windows
3876 // display any UIs.
3877 HWND hwnd = ImmGetHWnd();
3878 HIMC hIMC = ImmGetContext(hwnd);
3879 if (hIMC == NULL) {
3880 *lplParam = 0;
3881 return mrDoDefault;
3882 }
3883 ImmReleaseContext(hwnd, hIMC);
3884
3885 if (fSet) {
3886 LPARAM lParam = *lplParam;
3887 if (!m_useNativeCompWindow) {
3888 // stop to draw native composing window.
3889 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3890 }
3891 }
3892 return mrDoDefault;
3893 }
3894
3895 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3896 {
3897 if (!m_useNativeCompWindow) {
3898 if (subMsg == IMN_OPENCANDIDATE) {
3899 m_bitsCandType = bitsCandType;
3900 InquireCandidatePosition();
3901 } else if (subMsg == IMN_OPENSTATUSWINDOW ||
3902 subMsg == WM_IME_STARTCOMPOSITION) {
3903 m_bitsCandType = 0;
3904 InquireCandidatePosition();
3905 } else if (subMsg == IMN_SETCANDIDATEPOS) {
3906 InquireCandidatePosition();
3907 }
3908 return mrConsume;
3909 }
3910 return mrDoDefault;
3911 }
3912
3913 MsgRouting AwtComponent::WmImeStartComposition()
3914 {
3915 if (m_useNativeCompWindow) {
3916 RECT rc;
3917 ::GetClientRect(GetHWnd(), &rc);
3918 SetCompositionWindow(rc);
3919 return mrDoDefault;
3920 } else
3921 return mrConsume;
3922 }
3923
3924 MsgRouting AwtComponent::WmImeEndComposition()
3925 {
3926 if (m_useNativeCompWindow) return mrDoDefault;
3927
3928 SendInputMethodEvent(
3929 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3930 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3931 return mrConsume;
3932 }
3933
3934 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3935 {
3936 if (m_useNativeCompWindow) return mrDoDefault;
3937
3938 int* bndClauseW = NULL;
3939 jstring* readingClauseW = NULL;
3940 int* bndAttrW = NULL;
3941 BYTE* valAttrW = NULL;
3942 int cClauseW = 0;
3943 AwtInputTextInfor* textInfor = NULL;
3944
3945 try {
3946 HWND hwnd = ImmGetHWnd();
3947 HIMC hIMC = ImmGetContext(hwnd);
3948 DASSERT(hIMC!=0);
3949
3950 textInfor = new AwtInputTextInfor;
3951 textInfor->GetContextData(hIMC, flags);
3952 ImmReleaseContext(hwnd, hIMC);
3953
3954 jstring jtextString = textInfor->GetText();
3955 /* The conditions to send the input method event to AWT EDT are:
3956 1. Whenever there is a composition message sent regarding whether
3957 the composition text is NULL or not. See details at bug 6222692.
3958 2. When there is a committed message sent, in which case, we have to
3959 check whether the committed string is NULL or not. If the committed string
3960 is NULL, there is no need to send any input method event.
3961 (Minor note: 'jtextString' returned is the merged string in the case of
3962 partial commit.)
3963 */
3964 if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
3965 (flags & GCS_COMPSTR)) {
3966 int cursorPosW = textInfor->GetCursorPosition();
3967 // In order not to delete the readingClauseW in the catch clause,
3968 // calling GetAttributeInfor before GetClauseInfor.
3969 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
3970 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
3971
3972 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
3973 the event to AWT EDT.
3974
3975 The last two paremeters are set to equal since we don't have recommendations for
3976 the visible position within the current composed text. See details at
3977 java.awt.event.InputMethodEvent.
3978 */
3979 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3980 jtextString,
3981 cClauseW, bndClauseW, readingClauseW,
3982 cAttrW, bndAttrW, valAttrW,
3983 textInfor->GetCommittedTextLength(),
3984 cursorPosW, cursorPosW);
3985 }
3986 } catch (...) {
3987 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
3988 // the pointer here.
3989 delete [] bndClauseW;
3990 delete [] readingClauseW;
3991 delete [] bndAttrW;
3992 delete [] valAttrW;
3993 throw;
3994 }
3995
3996 /* Free the storage allocated. Since jtextString won't be passed from threads
3997 * to threads, we just use the local ref and it will be deleted within the destructor
3998 * of AwtInputTextInfor object.
3999 */
4000 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4001 if (cClauseW && readingClauseW) {
4002 for (int i = 0; i < cClauseW; i ++) {
4003 if (readingClauseW[i]) {
4004 env->DeleteLocalRef(readingClauseW[i]);
4005 }
4006 }
4007 }
4008 delete [] bndClauseW;
4009 delete [] readingClauseW;
4010 delete [] bndAttrW;
4011 delete [] valAttrW;
4012 delete textInfor;
4013
4014 return mrConsume;
4015 }
4016
4017 //
4018 // generate and post InputMethodEvent
4019 //
4020 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
4021 int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
4022 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
4023 int commitedTextLength, int caretPos, int visiblePos)
4024 {
4025 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4026
4027 // assumption for array type casting
4028 DASSERT(sizeof(int)==sizeof(jint));
4029 DASSERT(sizeof(BYTE)==sizeof(jbyte));
4030
4031 // caluse information
4032 jintArray clauseBoundary = NULL;
4033 jobjectArray clauseReading = NULL;
4034 if (cClause && rgClauseBoundary && rgClauseReading) {
4035 // convert clause boundary offset array to java array
4036 clauseBoundary = env->NewIntArray(cClause+1);
4037 DASSERT(clauseBoundary);
4038 CHECK_NULL(clauseBoundary);
4039 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
4040 DASSERT(!safe_ExceptionOccurred(env));
4041
4042 // convert clause reading string array to java array
4043 jclass stringCls = JNU_ClassString(env);
4044 DASSERT(stringCls);
4045 CHECK_NULL(stringCls);
4046 clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
4047 DASSERT(clauseReading);
4048 CHECK_NULL(clauseReading);
4049 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
4050 DASSERT(!safe_ExceptionOccurred(env));
4051 }
4052
4053
4054 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
4055 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
4056 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
4057 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
4058 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
4059 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
4060
4061 // attribute information
4062 jintArray attrBoundary = NULL;
4063 jbyteArray attrValue = NULL;
4064 if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
4065 // convert attribute boundary offset array to java array
4066 attrBoundary = env->NewIntArray(cAttrBlock+1);
4067 DASSERT(attrBoundary);
4068 CHECK_NULL(attrBoundary);
4069 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
4070 DASSERT(!safe_ExceptionOccurred(env));
4071
4072 // convert attribute value byte array to java array
4073 attrValue = env->NewByteArray(cAttrBlock);
4074 DASSERT(attrValue);
4075 CHECK_NULL(attrValue);
4076 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
4077 DASSERT(!safe_ExceptionOccurred(env));
4078 }
4079
4080
4081 // get global reference of WInputMethod class (run only once)
4082 static jclass wInputMethodCls = NULL;
4083 if (wInputMethodCls == NULL) {
4084 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4085 DASSERT(wInputMethodClsLocal);
4086 CHECK_NULL(wInputMethodClsLocal);
4087 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4088 env->DeleteLocalRef(wInputMethodClsLocal);
4089 }
4090
4091 // get method ID of sendInputMethodEvent() (run only once)
4092 static jmethodID sendIMEventMid = 0;
4093 if (sendIMEventMid == 0) {
4094 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
4095 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
4096 DASSERT(sendIMEventMid);
4097 CHECK_NULL(sendIMEventMid);
4098 }
4099
4100 // call m_InputMethod.sendInputMethod()
4101 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, TimeHelper::getMessageTimeUTC(),
4102 text, clauseBoundary, clauseReading, attrBoundary,
4103 attrValue, commitedTextLength, caretPos, visiblePos);
4104 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4105 DASSERT(!safe_ExceptionOccurred(env));
4106
4107 }
4108
4109
4110
4111 //
4112 // Inquires candidate position according to the composed text
4113 //
4114 void AwtComponent::InquireCandidatePosition()
4115 {
4116 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4117
4118 // get global reference of WInputMethod class (run only once)
4119 static jclass wInputMethodCls = NULL;
4120 if (wInputMethodCls == NULL) {
4121 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4122 DASSERT(wInputMethodClsLocal);
4123 CHECK_NULL(wInputMethodClsLocal);
4124 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4125 env->DeleteLocalRef(wInputMethodClsLocal);
4126 }
4127
4128 // get method ID of sendInputMethodEvent() (run only once)
4129 static jmethodID inqCandPosMid = 0;
4130 if (inqCandPosMid == 0) {
4131 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4132 DASSERT(!safe_ExceptionOccurred(env));
4133 DASSERT(inqCandPosMid);
4134 CHECK_NULL(inqCandPosMid);
4135 }
4136
4137 // call m_InputMethod.sendInputMethod()
4138 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4139 DASSERT(!safe_ExceptionOccurred(env));
4140 }
4141
4142 HWND AwtComponent::ImmGetHWnd()
4143 {
4144 HWND proxy = GetProxyFocusOwner();
4145 return (proxy != NULL) ? proxy : GetHWnd();
4146 }
4147
4148 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4149 {
4150 return ::ImmAssociateContext(ImmGetHWnd(), himc);
4151 }
4152
4153 HWND AwtComponent::GetProxyFocusOwner()
4154 {
4155 AwtWindow *window = GetContainer();
4156 if (window != 0) {
4157 AwtFrame *owner = window->GetOwningFrameOrDialog();
4158 if (owner != 0) {
4159 return owner->GetProxyFocusOwner();
4160 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4161 return ((AwtFrame*)window)->GetProxyFocusOwner();
4162 }
4163 }
4164 return (HWND)NULL;
4165 }
4166
4167 /* Redirects message to the focus proxy, if any */
4168 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4169 LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4170 {
4171 if (mr != mrConsume) {
4172 HWND proxy = GetProxyFocusOwner();
4173 if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4174 retVal = ::DefWindowProc(proxy, message, wParam, lParam);
4175 mr = mrConsume;
4176 }
4177 }
4178 }
4179
4180 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4181 {
4182 /* Menu/Accelerator */
4183 if (hWndChild == 0) {
4184 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4185 if (obj == NULL) {
4186 return mrConsume;
4187 }
4188 DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4189 obj->DoCommand();
4190 return mrConsume;
4191 }
4192 /* Child id notification */
4193 else {
4194 AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4195 if (child) {
4196 child->WmNotify(notifyCode);
4197 }
4198 }
4199 return mrDoDefault;
4200 }
4201
4202 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4203 {
4204 return mrDoDefault;
4205 }
4206
4207 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4208 COMPAREITEMSTRUCT &compareInfo,
4209 LRESULT &result)
4210 {
4211 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4212 if (child == this) {
4213 /* DoCallback("handleItemDelete", */
4214 }
4215 else if (child) {
4216 return child->WmCompareItem(ctrlId, compareInfo, result);
4217 }
4218 return mrConsume;
4219 }
4220
4221 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4222 DELETEITEMSTRUCT &deleteInfo)
4223 {
4224 /*
4225 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4226 * window, a WM_DELETEITEM message is sent to its parent with a window
4227 * handle of one of the list's child windows. The property lookup
4228 * succeeds, but the HWNDs don't match.
4229 */
4230 if (deleteInfo.hwndItem == NULL) {
4231 return mrConsume;
4232 }
4233 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4234
4235 if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4236 return mrConsume;
4237 }
4238
4239 if (child == this) {
4240 /*DoCallback("handleItemDelete", */
4241 }
4242 else if (child) {
4243 return child->WmDeleteItem(ctrlId, deleteInfo);
4244 }
4245 return mrConsume;
4246 }
4247
4248 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4249 {
4250 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4251
4252 if (drawInfo.CtlType == ODT_MENU) {
4253 if (IsMenu((HMENU)drawInfo.hwndItem) && drawInfo.itemData != 0) {
4254 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4255 menu->DrawItem(drawInfo);
4256 }
4257 } else {
4258 return OwnerDrawItem(ctrlId, drawInfo);
4259 }
4260 return mrConsume;
4261 }
4262
4263 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4264 MEASUREITEMSTRUCT &measureInfo)
4265 {
4266 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4267
4268 if (measureInfo.CtlType == ODT_MENU) {
4269 if (measureInfo.itemData != 0) {
4270 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4271 HDC hDC = ::GetDC(GetHWnd());
4272 /* menu->MeasureItem(env, hDC, measureInfo); */
4273 menu->MeasureItem(hDC, measureInfo);
4274 ::ReleaseDC(GetHWnd(), hDC);
4275 }
4276 } else {
4277 return OwnerMeasureItem(ctrlId, measureInfo);
4278 }
4279 return mrConsume;
4280 }
4281
4282 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4283 DRAWITEMSTRUCT &drawInfo)
4284 {
4285 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4286 if (child == this) {
4287 /* DoCallback("handleItemDelete", */
4288 } else if (child != NULL) {
4289 return child->WmDrawItem(ctrlId, drawInfo);
4290 }
4291 return mrConsume;
4292 }
4293
4294 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4295 MEASUREITEMSTRUCT &measureInfo)
4296 {
4297 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4298 AwtComponent* child = AwtComponent::GetComponent(hChild);
4299 /*
4300 * If the parent cannot find the child's instance from its handle,
4301 * maybe the child is in its creation. So the child must be searched
4302 * from the list linked before the child's creation.
4303 */
4304 if (child == NULL) {
4305 child = SearchChild((UINT)ctrlId);
4306 }
4307
4308 if (child == this) {
4309 /* DoCallback("handleItemDelete", */
4310 }
4311 else if (child) {
4312 return child->WmMeasureItem(ctrlId, measureInfo);
4313 }
4314 return mrConsume;
4315 }
4316
4317 /* for WmDrawItem method of Label, Button and Checkbox */
4318 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4319 int x, int y)
4320 {
4321 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4322 DASSERT(nOldBkMode != 0);
4323 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4324 VERIFY(::SetBkMode(hDC,nOldBkMode));
4325 }
4326
4327 /*
4328 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4329 * component is disabled. Used only for label, checkbox and button in
4330 * OWNER_DRAW. It draws the text in emboss.
4331 */
4332 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4333 int x, int y)
4334 {
4335 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4336 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4337 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4338 AwtComponent::DrawWindowText(hDC, font, text, x, y);
4339 }
4340
4341 /* for WmMeasureItem method of List and Choice */
4342 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4343 {
4344 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4345 "(I)Ljava/lang/String;",
4346 index).l;
4347 DASSERT(!safe_ExceptionOccurred(env));
4348 return str;
4349 }
4350
4351 /* for WmMeasureItem method of List and Choice */
4352 void AwtComponent::MeasureListItem(JNIEnv *env,
4353 MEASUREITEMSTRUCT &measureInfo)
4354 {
4355 if (env->EnsureLocalCapacity(1) < 0) {
4356 return;
4357 }
4358 jobject dimension = PreferredItemSize(env);
4359 DASSERT(dimension);
4360 measureInfo.itemWidth =
4361 env->GetIntField(dimension, AwtDimension::widthID);
4362 measureInfo.itemHeight =
4363 env->GetIntField(dimension, AwtDimension::heightID);
4364 env->DeleteLocalRef(dimension);
4365 }
4366
4367 /* for WmDrawItem method of List and Choice */
4368 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4369 {
4370 if (env->EnsureLocalCapacity(3) < 0) {
4371 return;
4372 }
4373 jobject peer = GetPeer(env);
4374 jobject target = env->GetObjectField(peer, AwtObject::targetID);
4375
4376 HDC hDC = drawInfo.hDC;
4377 RECT rect = drawInfo.rcItem;
4378
4379 BOOL bEnabled = isEnabled();
4380 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4381 DWORD crBack, crText;
4382 if (drawInfo.itemState & ODS_SELECTED){
4383 /* Set background and text colors for selected item */
4384 crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4385 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4386 } else {
4387 /* Set background and text colors for unselected item */
4388 crBack = GetBackgroundColor();
4389 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4390 }
4391 if (unfocusableChoice) {
4392 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4393 crBack = GetBackgroundColor();
4394 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4395 }
4396
4397 /* Fill item rectangle with background color */
4398 HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4399 DASSERT(hbrBack);
4400 /* 6190728. Shouldn't draw any kind of rectangle around selection field
4401 * (edit control) of an owner-drawn combo box while unfocusable
4402 */
4403 if (!unfocusableChoice){
4404 VERIFY(::FillRect (hDC, &rect, hbrBack));
4405 }
4406 VERIFY(::DeleteObject (hbrBack));
4407
4408 /* Set current background and text colors */
4409 ::SetBkColor (hDC, crBack);
4410 ::SetTextColor (hDC, crText);
4411
4412 /*draw string (with left margin of 1 point) */
4413 if ((int) (drawInfo.itemID) >= 0) {
4414 jobject font = GET_FONT(target, peer);
4415 jstring text = GetItemString(env, target, drawInfo.itemID);
4416 if (env->ExceptionCheck()) {
4417 env->DeleteLocalRef(font);
4418 env->DeleteLocalRef(target);
4419 return;
4420 }
4421 SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4422 AwtFont::drawMFString(hDC, font, text,
4423 (GetRTL()) ? rect.right - size.cx - 1
4424 : rect.left + 1,
4425 (rect.top + rect.bottom - size.cy) / 2,
4426 GetCodePage());
4427 env->DeleteLocalRef(font);
4428 env->DeleteLocalRef(text);
4429 }
4430 if ((drawInfo.itemState & ODS_FOCUS) &&
4431 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4432 if (!unfocusableChoice){
4433 VERIFY(::DrawFocusRect(hDC, &rect));
4434 }
4435 }
4436 env->DeleteLocalRef(target);
4437 }
4438
4439 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4440 jint AwtComponent::GetFontHeight(JNIEnv *env)
4441 {
4442 if (env->EnsureLocalCapacity(4) < 0) {
4443 return NULL;
4444 }
4445 jobject self = GetPeer(env);
4446 jobject target = env->GetObjectField(self, AwtObject::targetID);
4447
4448 jobject font = GET_FONT(target, self);
4449 jobject toolkit = env->CallObjectMethod(target,
4450 AwtComponent::getToolkitMID);
4451
4452 DASSERT(!safe_ExceptionOccurred(env));
4453
4454 jobject fontMetrics =
4455 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4456
4457 DASSERT(!safe_ExceptionOccurred(env));
4458
4459 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4460 DASSERT(!safe_ExceptionOccurred(env));
4461
4462 env->DeleteLocalRef(target);
4463 env->DeleteLocalRef(font);
4464 env->DeleteLocalRef(toolkit);
4465 env->DeleteLocalRef(fontMetrics);
4466
4467 return height;
4468 }
4469
4470 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4471 // stack to be restored in WmPrintClient. Windows mangles the DC in
4472 // ::DefWindowProc.
4473 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4474 {
4475 /*
4476 * DefWindowProc for WM_PRINT changes DC parameters, so we have
4477 * to restore it ourselves. Otherwise it will cause problems
4478 * when several components are printed to the same DC.
4479 */
4480 int nOriginalDC = ::SaveDC(hDC);
4481 DASSERT(nOriginalDC != 0);
4482
4483 if (flags & PRF_NONCLIENT) {
4484
4485 VERIFY(::SaveDC(hDC));
4486
4487 DefWindowProc(WM_PRINT, (WPARAM)hDC,
4488 (flags & (PRF_NONCLIENT
4489 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4490
4491 VERIFY(::RestoreDC(hDC, -1));
4492
4493 // Special case for components with a sunken border. Windows does not
4494 // print the border correctly on PCL printers, so we have to do it ourselves.
4495 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4496 RECT r;
4497 VERIFY(::GetWindowRect(GetHWnd(), &r));
4498 VERIFY(::OffsetRect(&r, -r.left, -r.top));
4499 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4500 }
4501 }
4502
4503 if (flags & PRF_CLIENT) {
4504
4505 /*
4506 * Special case for components with a sunken border.
4507 * Windows prints a client area without offset to a border width.
4508 * We will first print the non-client area with the original offset,
4509 * then the client area with a corrected offset.
4510 */
4511 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4512
4513 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4514 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4515
4516 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4517
4518 // Save a copy of the DC for WmPrintClient
4519 VERIFY(::SaveDC(hDC));
4520
4521 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4522 (flags & (PRF_CLIENT
4523 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4524
4525 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4526
4527 } else {
4528
4529 // Save a copy of the DC for WmPrintClient
4530 VERIFY(::SaveDC(hDC));
4531 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4532 (flags & (PRF_CLIENT
4533 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4534 }
4535 }
4536
4537 if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4538 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4539 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4540 }
4541
4542 VERIFY(::RestoreDC(hDC, nOriginalDC));
4543
4544 return mrConsume;
4545 }
4546
4547 // If you override WmPrintClient, make sure to obtain a valid copy of
4548 // the DC from the GDI stack. The copy of the DC should have been placed
4549 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4550 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4551 {
4552 // obtain valid DC from GDI stack
4553 ::RestoreDC(hDC, -1);
4554
4555 return mrDoDefault;
4556 }
4557
4558 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4559 LPNCCALCSIZE_PARAMS lpncsp,
4560 LRESULT &retVal)
4561 {
4562 return mrDoDefault;
4563 }
4564
4565 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4566 {
4567 return mrDoDefault;
4568 }
4569
4570 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4571 {
4572 return mrDoDefault;
4573 }
4574
4575 /**
4576 * WmQueryNewPalette is called whenever our component is coming to
4577 * the foreground; this gives us an opportunity to install our
4578 * custom palette. If this install actually changes entries in
4579 * the system palette, then we get a further call to WmPaletteChanged
4580 * (but note that we only need to realize our palette once).
4581 */
4582 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4583 {
4584 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4585 m_QueryNewPaletteCalled = TRUE;
4586 HDC hDC = ::GetDC(GetHWnd());
4587 DASSERT(hDC);
4588 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4589 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4590 ::ReleaseDC(GetHWnd(), hDC);
4591 // We must realize the palettes of all of our DC's
4592 // There is sometimes a problem where the realization of
4593 // our temporary hDC here does not actually do what
4594 // we want. Not clear why, but presumably fallout from
4595 // our use of several simultaneous hDC's.
4596 activeDCList.RealizePalettes(screen);
4597 // Do not invalidate here; if the palette
4598 // has not changed we will get an extra repaint
4599 retVal = TRUE;
4600
4601 return mrDoDefault;
4602 }
4603
4604 /**
4605 * We should not need to track this event since we handle our
4606 * palette management effectively in the WmQueryNewPalette and
4607 * WmPaletteChanged methods. However, there seems to be a bug
4608 * on some win32 systems (e.g., NT4) whereby the palette
4609 * immediately after a displayChange is not yet updated to its
4610 * final post-display-change values (hence we adjust our palette
4611 * using the wrong system palette entries), then the palette is
4612 * updated, but a WM_PALETTECHANGED message is never sent.
4613 * By tracking the ISCHANGING message as well (and by tracking
4614 * displayChange events in the AwtToolkit object), we can account
4615 * for this error by forcing our WmPaletteChanged method to be
4616 * called and thereby realizing our logical palette and updating
4617 * our dynamic colorModel object.
4618 */
4619 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4620 {
4621 if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4622 WmPaletteChanged(hwndPalChg);
4623 AwtToolkit::GetInstance().ResetDisplayChanged();
4624 }
4625 return mrDoDefault;
4626 }
4627
4628 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4629 {
4630 // We need to re-realize our palette here (unless we're the one
4631 // that was realizing it in the first place). That will let us match the
4632 // remaining colors in the system palette as best we can. We always
4633 // invalidate because the palette will have changed when we receive this
4634 // message.
4635
4636 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4637 if (hwndPalChg != GetHWnd()) {
4638 HDC hDC = ::GetDC(GetHWnd());
4639 DASSERT(hDC);
4640 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4641 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4642 ::ReleaseDC(GetHWnd(), hDC);
4643 // We must realize the palettes of all of our DC's
4644 activeDCList.RealizePalettes(screen);
4645 }
4646 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4647 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4648 }
4649 Invalidate(NULL);
4650 return mrDoDefault;
4651 }
4652
4653 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4654 {
4655 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4656 return mrDoDefault;
4657 }
4658
4659 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4660 {
4661 DASSERT(!IsBadStringPtr(pszSection, 20));
4662 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4663 return mrDoDefault;
4664 }
4665
4666 HDC AwtComponent::GetDCFromComponent()
4667 {
4668 GetDCReturnStruct *hdcStruct =
4669 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4670 HDC hdc;
4671 if (hdcStruct) {
4672 if (hdcStruct->gdiLimitReached) {
4673 if (jvm != NULL) {
4674 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4675 if (env != NULL && !safe_ExceptionOccurred(env)) {
4676 JNU_ThrowByName(env, "java/awt/AWTError",
4677 "HDC creation failure - " \
4678 "exceeded maximum GDI resources");
4679 }
4680 }
4681 }
4682 hdc = hdcStruct->hDC;
4683 delete hdcStruct;
4684 } else {
4685 hdc = NULL;
4686 }
4687 return hdc;
4688 }
4689
4690 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4691 {
4692 RECT eraseR = { 0, 0, size.cx, size.cy };
4693 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4694 }
4695
4696 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4697 {
4698 if (!bitmapBits) {
4699 return;
4700 }
4701
4702 DWORD* dest = (DWORD*)bitmapBits;
4703 //XXX: might be optimized to use one loop (cy*cx -> 0)
4704 for (int i = 0; i < size.cy; i++ ) {
4705 for (int j = 0; j < size.cx; j++ ) {
4706 ((BYTE*)(dest++))[3] = alpha;
4707 }
4708 }
4709 }
4710
4711 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4712 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4713
4714 if (!::IsWindowVisible(GetHWnd())) {
4715 return NULL;
4716 }
4717
4718 HDC hdc = GetDCFromComponent();
4719 if (!hdc) {
4720 return NULL;
4721 }
4722 HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4723 void *bitmapBits = NULL;
4724 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4725 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4726 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4727
4728 FillBackground(hMemoryDC, size);
4729
4730 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4731
4732 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4733 // above.
4734 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4735
4736 // First make sure the system completed any drawing to the bitmap.
4737 ::GdiFlush();
4738
4739 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4740 // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4741 // the pixels will be considered transparent when interpreting the data.
4742 FillAlpha(bitmapBits, size, alpha);
4743
4744 ::SelectObject(hMemoryDC, hOldBitmap);
4745
4746 BITMAPINFO bmi;
4747 memset(&bmi, 0, sizeof(BITMAPINFO));
4748 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4749 bmi.bmiHeader.biWidth = size.cx;
4750 bmi.bmiHeader.biHeight = -size.cy;
4751 bmi.bmiHeader.biPlanes = 1;
4752 bmi.bmiHeader.biBitCount = 32;
4753 bmi.bmiHeader.biCompression = BI_RGB;
4754
4755 jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4756 jintArray pixelArray = NULL;
4757 if (localPixelArray != NULL) {
4758 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4759 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4760
4761 jboolean isCopy;
4762 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4763
4764 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4765 DIB_RGB_COLORS);
4766
4767 env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4768 }
4769
4770 VERIFY(::DeleteObject(hBitmap));
4771 VERIFY(::DeleteDC(hMemoryDC));
4772
4773 return pixelArray;
4774 }
4775
4776 void* AwtComponent::SetNativeFocusOwner(void *self) {
4777 if (self == NULL) {
4778 // It means that the KFM wants to set focus to null
4779 sm_focusOwner = NULL;
4780 return NULL;
4781 }
4782
4783 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4784
4785 AwtComponent *c = NULL;
4786 jobject peer = (jobject)self;
4787
4788 PDATA pData;
4789 JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4790 pData = JNI_GET_PDATA(peer);
4791 if (pData == NULL) {
4792 goto ret;
4793 }
4794 c = (AwtComponent *)pData;
4795
4796 ret:
4797 if (c && ::IsWindow(c->GetHWnd())) {
4798 sm_focusOwner = c->GetHWnd();
4799 } else {
4800 sm_focusOwner = NULL;
4801 }
4802 env->DeleteGlobalRef(peer);
4803 return NULL;
4804 }
4805
4806 void* AwtComponent::GetNativeFocusedWindow() {
4807 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4808 AwtComponent *comp =
4809 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4810 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4811 }
4812
4813 void* AwtComponent::GetNativeFocusOwner() {
4814 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4815 AwtComponent *comp =
4816 AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4817 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4818 }
4819
4820 AwtComponent* AwtComponent::SearchChild(UINT id) {
4821 ChildListItem* child;
4822 for (child = m_childList; child != NULL;child = child->m_next) {
4823 if (child->m_ID == id)
4824 return child->m_Component;
4825 }
4826 /*
4827 * DASSERT(FALSE);
4828 * This should not be happend if all children are recorded
4829 */
4830 return NULL; /* make compiler happy */
4831 }
4832
4833 void AwtComponent::RemoveChild(UINT id) {
4834 ChildListItem* child = m_childList;
4835 ChildListItem* lastChild = NULL;
4836 while (child != NULL) {
4837 if (child->m_ID == id) {
4838 if (lastChild == NULL) {
4839 m_childList = child->m_next;
4840 } else {
4841 lastChild->m_next = child->m_next;
4842 }
4843 child->m_next = NULL;
4844 DASSERT(child != NULL);
4845 delete child;
4846 return;
4847 }
4848 lastChild = child;
4849 child = child->m_next;
4850 }
4851 }
4852
4853 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4854 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4855 {
4856 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4857 CriticalSection::Lock l(GetLock());
4858 if (GetPeer(env) == NULL) {
4859 /* event received during termination. */
4860 return;
4861 }
4862
4863 static jclass keyEventCls;
4864 if (keyEventCls == NULL) {
4865 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4866 DASSERT(keyEventClsLocal);
4867 if (keyEventClsLocal == NULL) {
4868 /* exception already thrown */
4869 return;
4870 }
4871 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4872 env->DeleteLocalRef(keyEventClsLocal);
4873 }
4874
4875 static jmethodID keyEventConst;
4876 if (keyEventConst == NULL) {
4877 keyEventConst = env->GetMethodID(keyEventCls, "<init>",
4878 "(Ljava/awt/Component;IJIICI)V");
4879 DASSERT(keyEventConst);
4880 CHECK_NULL(keyEventConst);
4881 }
4882 if (env->EnsureLocalCapacity(2) < 0) {
4883 return;
4884 }
4885 jobject target = GetTarget(env);
4886 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4887 id, when, modifiers, raw, cooked,
4888 keyLocation);
4889 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4890 DASSERT(!safe_ExceptionOccurred(env));
4891 DASSERT(keyEvent != NULL);
4892 if (keyEvent == NULL) {
4893 env->DeleteLocalRef(target);
4894 return;
4895 }
4896 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4897 if( nativeCode && nativeCode < 256 ) {
4898 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4899 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4900 if( nativeCode < 255 ) {
4901 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4902 }else if( pMsg != NULL ) {
4903 // unknown key with virtual keycode 0xFF.
4904 // Its scancode is not in the table, pickup it from the message.
4905 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4906 }
4907 }
4908 if (pMsg != NULL) {
4909 AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
4910 }
4911 SendEvent(keyEvent);
4912
4913 env->DeleteLocalRef(keyEvent);
4914 env->DeleteLocalRef(target);
4915 }
4916
4917 void
4918 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
4919 jint raw, jint cooked,
4920 jint modifiers, jint keyLocation,
4921 jlong nativeCode,
4922 MSG *msg)
4923 {
4924 /*
4925 * if focus owner is null, but focused window isn't
4926 * we will send key event to focused window
4927 */
4928 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
4929
4930 if (hwndTarget == GetHWnd()) {
4931 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
4932 } else {
4933 AwtComponent *target = NULL;
4934 if (hwndTarget != NULL) {
4935 target = AwtComponent::GetComponent(hwndTarget);
4936 if (target == NULL) {
4937 target = this;
4938 }
4939 }
4940 if (target != NULL) {
4941 target->SendKeyEvent(id, when, raw, cooked, modifiers,
4942 keyLocation, nativeCode, msg);
4943 }
4944 }
4945 }
4946
4947 void AwtComponent::SetDragCapture(UINT flags)
4948 {
4949 // don't want to interfere with other controls
4950 if (::GetCapture() == NULL) {
4951 ::SetCapture(GetHWnd());
4952 }
4953 }
4954
4955 void AwtComponent::ReleaseDragCapture(UINT flags)
4956 {
4957 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
4958 // user has released all buttons, so release the capture
4959 ::ReleaseCapture();
4960 }
4961 }
4962
4963 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
4964 jint modifiers, jint clickCount,
4965 jboolean popupTrigger, jint button,
4966 MSG *pMsg, BOOL causedByTouchEvent)
4967 {
4968 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4969 CriticalSection::Lock l(GetLock());
4970 if (GetPeer(env) == NULL) {
4971 /* event received during termination. */
4972 return;
4973 }
4974
4975 static jclass mouseEventCls;
4976 if (mouseEventCls == NULL) {
4977 jclass mouseEventClsLocal =
4978 env->FindClass("java/awt/event/MouseEvent");
4979 CHECK_NULL(mouseEventClsLocal);
4980 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
4981 env->DeleteLocalRef(mouseEventClsLocal);
4982 }
4983 RECT insets;
4984 GetInsets(&insets);
4985
4986 static jmethodID mouseEventConst;
4987 if (mouseEventConst == NULL) {
4988 mouseEventConst =
4989 env->GetMethodID(mouseEventCls, "<init>",
4990 "(Ljava/awt/Component;IJIIIIIIZI)V");
4991 DASSERT(mouseEventConst);
4992 CHECK_NULL(mouseEventConst);
4993 }
4994 if (env->EnsureLocalCapacity(2) < 0) {
4995 return;
4996 }
4997 jobject target = GetTarget(env);
4998 DWORD curMousePos = ::GetMessagePos();
4999 int xAbs = GET_X_LPARAM(curMousePos);
5000 int yAbs = GET_Y_LPARAM(curMousePos);
5001 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
5002 target,
5003 id, when, modifiers,
5004 x+insets.left, y+insets.top,
5005 xAbs, yAbs,
5006 clickCount, popupTrigger, button);
5007
5008 if (safe_ExceptionOccurred(env)) {
5009 env->ExceptionDescribe();
5010 env->ExceptionClear();
5011 }
5012
5013 DASSERT(mouseEvent != NULL);
5014 CHECK_NULL(mouseEvent);
5015 if (causedByTouchEvent) {
5016 env->SetBooleanField(mouseEvent, AwtMouseEvent::causedByTouchEventID,
5017 JNI_TRUE);
5018 }
5019 if (pMsg != 0) {
5020 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
5021 }
5022 SendEvent(mouseEvent);
5023
5024 env->DeleteLocalRef(mouseEvent);
5025 env->DeleteLocalRef(target);
5026 }
5027
5028 void
5029 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
5030 jint modifiers, jint clickCount,
5031 jboolean popupTrigger, jint scrollType,
5032 jint scrollAmount, jint roundedWheelRotation,
5033 jdouble preciseWheelRotation, MSG *pMsg)
5034 {
5035 /* Code based not so loosely on AwtComponent::SendMouseEvent */
5036 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5037 CriticalSection::Lock l(GetLock());
5038 if (GetPeer(env) == NULL) {
5039 /* event received during termination. */
5040 return;
5041 }
5042
5043 static jclass mouseWheelEventCls;
5044 if (mouseWheelEventCls == NULL) {
5045 jclass mouseWheelEventClsLocal =
5046 env->FindClass("java/awt/event/MouseWheelEvent");
5047 CHECK_NULL(mouseWheelEventClsLocal);
5048 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
5049 env->DeleteLocalRef(mouseWheelEventClsLocal);
5050 }
5051 RECT insets;
5052 GetInsets(&insets);
5053
5054 static jmethodID mouseWheelEventConst;
5055 if (mouseWheelEventConst == NULL) {
5056 mouseWheelEventConst =
5057 env->GetMethodID(mouseWheelEventCls, "<init>",
5058 "(Ljava/awt/Component;IJIIIIIIZIIID)V");
5059 DASSERT(mouseWheelEventConst);
5060 CHECK_NULL(mouseWheelEventConst);
5061 }
5062 if (env->EnsureLocalCapacity(2) < 0) {
5063 return;
5064 }
5065 jobject target = GetTarget(env);
5066 DTRACE_PRINTLN("creating MWE in JNI");
5067
5068 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
5069 mouseWheelEventConst,
5070 target,
5071 id, when, modifiers,
5072 x+insets.left, y+insets.top,
5073 0, 0,
5074 clickCount, popupTrigger,
5075 scrollType, scrollAmount,
5076 roundedWheelRotation, preciseWheelRotation);
5077
5078 DASSERT(mouseWheelEvent != NULL);
5079 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
5080 env->ExceptionDescribe();
5081 env->ExceptionClear();
5082 env->DeleteLocalRef(target);
5083 return;
5084 }
5085 if (pMsg != NULL) {
5086 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
5087 }
5088 SendEvent(mouseWheelEvent);
5089
5090 env->DeleteLocalRef(mouseWheelEvent);
5091 env->DeleteLocalRef(target);
5092 }
5093
5094 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
5095 {
5096 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5097
5098 CriticalSection::Lock l(GetLock());
5099 if (GetPeer(env) == NULL) {
5100 /* event received during termination. */
5101 return;
5102 }
5103
5104 static jclass focusEventCls;
5105 if (focusEventCls == NULL) {
5106 jclass focusEventClsLocal
5107 = env->FindClass("java/awt/event/FocusEvent");
5108 DASSERT(focusEventClsLocal);
5109 CHECK_NULL(focusEventClsLocal);
5110 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5111 env->DeleteLocalRef(focusEventClsLocal);
5112 }
5113
5114 static jmethodID focusEventConst;
5115 if (focusEventConst == NULL) {
5116 focusEventConst =
5117 env->GetMethodID(focusEventCls, "<init>",
5118 "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5119 DASSERT(focusEventConst);
5120 CHECK_NULL(focusEventConst);
5121 }
5122
5123 static jclass sequencedEventCls;
5124 if (sequencedEventCls == NULL) {
5125 jclass sequencedEventClsLocal =
5126 env->FindClass("java/awt/SequencedEvent");
5127 DASSERT(sequencedEventClsLocal);
5128 CHECK_NULL(sequencedEventClsLocal);
5129 sequencedEventCls =
5130 (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5131 env->DeleteLocalRef(sequencedEventClsLocal);
5132 }
5133
5134 static jmethodID sequencedEventConst;
5135 if (sequencedEventConst == NULL) {
5136 sequencedEventConst =
5137 env->GetMethodID(sequencedEventCls, "<init>",
5138 "(Ljava/awt/AWTEvent;)V");
5139 DASSERT(sequencedEventConst);
5140 CHECK_NULL(sequencedEventConst);
5141 }
5142
5143 if (env->EnsureLocalCapacity(3) < 0) {
5144 return;
5145 }
5146
5147 jobject target = GetTarget(env);
5148 jobject jOpposite = NULL;
5149 if (opposite != NULL) {
5150 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5151 if (awtOpposite != NULL) {
5152 jOpposite = awtOpposite->GetTarget(env);
5153 }
5154 }
5155 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5156 target, id, JNI_FALSE, jOpposite);
5157 DASSERT(!safe_ExceptionOccurred(env));
5158 DASSERT(focusEvent != NULL);
5159 if (jOpposite != NULL) {
5160 env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5161 }
5162 env->DeleteLocalRef(target); target = NULL;
5163 CHECK_NULL(focusEvent);
5164
5165 jobject sequencedEvent = env->NewObject(sequencedEventCls,
5166 sequencedEventConst,
5167 focusEvent);
5168 DASSERT(!safe_ExceptionOccurred(env));
5169 DASSERT(sequencedEvent != NULL);
5170 env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5171 CHECK_NULL(sequencedEvent);
5172 SendEvent(sequencedEvent);
5173
5174 env->DeleteLocalRef(sequencedEvent);
5175 }
5176
5177 /*
5178 * Forward a filtered event directly to the subclassed window.
5179 * This method is needed so that DefWindowProc is invoked on the
5180 * component's owning thread.
5181 */
5182 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5183 {
5184 DefWindowProc(msg->message, msg->wParam, msg->lParam);
5185 delete msg;
5186 return mrConsume;
5187 }
5188
5189 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5190 on the toolkit thread. This method may pre-filter the messages. */
5191 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5192 {
5193 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5194 // We should cut off keyboard events to disabled components
5195 // to avoid the components responding visually to keystrokes when disabled.
5196 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5197 // but to activate menus, close windows, etc
5198 switch(msg->message) {
5199 case WM_KEYDOWN:
5200 case WM_KEYUP:
5201 case WM_CHAR:
5202 case WM_DEADCHAR:
5203 {
5204 if (!isRecursivelyEnabled()) {
5205 goto quit;
5206 }
5207 break;
5208 }
5209 }
5210 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5211 (WPARAM) synthetic, (LPARAM) msg)) {
5212 return TRUE;
5213 } else {
5214 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5215 }
5216 quit:
5217 delete msg;
5218 return FALSE;
5219 }
5220
5221 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5222 {
5223 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5224 UINT message;
5225 switch (id) {
5226 case java_awt_event_KeyEvent_KEY_PRESSED:
5227 message = WM_KEYDOWN;
5228 break;
5229 case java_awt_event_KeyEvent_KEY_RELEASED:
5230 message = WM_KEYUP;
5231 break;
5232 case java_awt_event_KeyEvent_KEY_TYPED:
5233 message = WM_CHAR;
5234 break;
5235 default:
5236 return;
5237 }
5238
5239 /*
5240 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5241 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5242 */
5243 if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5244 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5245 // (for Edit control)
5246 jchar keyChar = (jchar)
5247 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5248
5249 // Bugid 4724007. If it is a Delete character, don't send the fake
5250 // KEY_TYPED we created back to the native window: Windows doesn't
5251 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5252 // character after deleting.
5253 if (keyChar == '\177') { // the Delete character
5254 return;
5255 }
5256
5257 // Disable forwarding WM_CHAR messages to disabled components
5258 if (isRecursivelyEnabled()) {
5259 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5260 MAKEWPARAM(keyChar, TRUE), 0)) {
5261 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5262 }
5263 }
5264 } else {
5265 jint keyCode =
5266 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5267 UINT key, modifiers;
5268 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5269 MSG* msg = CreateMessage(message, key, 0);
5270 PostHandleEventMessage(msg, TRUE);
5271 }
5272 }
5273
5274 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5275 {
5276 /* DebugBreak(); */
5277 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5278 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5279
5280 WPARAM wParam = 0;
5281 WORD wLow = 0;
5282 jint wheelAmt = 0;
5283 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5284 UINT message;
5285 switch (id) {
5286 case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5287 switch (button) {
5288 case java_awt_event_MouseEvent_BUTTON1:
5289 message = WM_LBUTTONDOWN; break;
5290 case java_awt_event_MouseEvent_BUTTON3:
5291 message = WM_MBUTTONDOWN; break;
5292 case java_awt_event_MouseEvent_BUTTON2:
5293 message = WM_RBUTTONDOWN; break;
5294 default:
5295 return;
5296 }
5297 break;
5298 }
5299 case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5300 switch (button) {
5301 case java_awt_event_MouseEvent_BUTTON1:
5302 message = WM_LBUTTONUP; break;
5303 case java_awt_event_MouseEvent_BUTTON3:
5304 message = WM_MBUTTONUP; break;
5305 case java_awt_event_MouseEvent_BUTTON2:
5306 message = WM_RBUTTONUP; break;
5307 default:
5308 return;
5309 }
5310 break;
5311 }
5312 case java_awt_event_MouseEvent_MOUSE_MOVED:
5313 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5314 case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5315 message = WM_MOUSEMOVE;
5316 break;
5317 case java_awt_event_MouseEvent_MOUSE_WHEEL:
5318 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5319 wLow |= MK_CONTROL;
5320 }
5321 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5322 wLow |= MK_SHIFT;
5323 }
5324 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5325 wLow |= MK_LBUTTON;
5326 }
5327 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5328 wLow |= MK_RBUTTON;
5329 }
5330 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5331 wLow |= MK_MBUTTON;
5332 }
5333 if (modifiers & X1_BUTTON) {
5334 wLow |= GetButtonMK(X1_BUTTON);
5335 }
5336 if (modifiers & X2_BUTTON) {
5337 wLow |= GetButtonMK(X2_BUTTON);
5338 }
5339
5340 wheelAmt = (jint)JNU_CallMethodByName(env,
5341 NULL,
5342 mouseEvent,
5343 "getWheelRotation",
5344 "()I").i;
5345 DASSERT(!safe_ExceptionOccurred(env));
5346 JNU_CHECK_EXCEPTION(env);
5347 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5348
5349 // convert Java wheel amount value to Win32
5350 wheelAmt *= -1 * WHEEL_DELTA;
5351
5352 message = WM_MOUSEWHEEL;
5353 wParam = MAKEWPARAM(wLow, wheelAmt);
5354
5355 break;
5356 default:
5357 return;
5358 }
5359 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5360 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5361 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5362 PostHandleEventMessage(msg, TRUE);
5363 }
5364
5365 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5366
5367 void AwtComponent::Invalidate(RECT* r)
5368 {
5369 ::InvalidateRect(GetHWnd(), r, FALSE);
5370 }
5371
5372 void AwtComponent::BeginValidate()
5373 {
5374 DASSERT(m_validationNestCount >= 0 &&
5375 m_validationNestCount < 1000); // sanity check
5376
5377 if (m_validationNestCount == 0) {
5378 // begin deferred window positioning if we're not inside
5379 // another Begin/EndValidate pair
5380 DASSERT(m_hdwp == NULL);
5381 m_hdwp = ::BeginDeferWindowPos(32);
5382 }
5383
5384 m_validationNestCount++;
5385 }
5386
5387 void AwtComponent::EndValidate()
5388 {
5389 DASSERT(m_validationNestCount > 0 &&
5390 m_validationNestCount < 1000); // sanity check
5391 DASSERT(m_hdwp != NULL);
5392
5393 m_validationNestCount--;
5394 if (m_validationNestCount == 0) {
5395 // if this call to EndValidate is not nested inside another
5396 // Begin/EndValidate pair, end deferred window positioning
5397 ::EndDeferWindowPos(m_hdwp);
5398 m_hdwp = NULL;
5399 }
5400 }
5401
5402 /**
5403 * HWND, AwtComponent and Java Peer interaction
5404 */
5405
5406 /*
5407 *Link the C++, Java peer, and HWNDs together.
5408 */
5409 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5410 {
5411 /*
5412 * Bind all three objects together thru this C++ object, two-way to each:
5413 * JavaPeer <-> C++ <-> HWND
5414 *
5415 * C++ -> JavaPeer
5416 */
5417 if (m_peerObject == NULL) {
5418 // This may have already been set up by CreateHWnd
5419 // And we don't want to create two references so we
5420 // will leave the prior one alone
5421 m_peerObject = env->NewGlobalRef(peer);
5422 }
5423 /* JavaPeer -> HWND */
5424 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5425
5426 /* JavaPeer -> C++ */
5427 JNI_SET_PDATA(peer, this);
5428
5429 /* HWND -> C++ */
5430 SetComponentInHWND();
5431 }
5432
5433 /* Cleanup above linking */
5434 void AwtComponent::UnlinkObjects()
5435 {
5436 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5437 if (m_peerObject) {
5438 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5439 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5440 JNI_SET_DESTROYED(m_peerObject);
5441 env->DeleteGlobalRef(m_peerObject);
5442 m_peerObject = NULL;
5443 }
5444 }
5445
5446 void AwtComponent::Enable(BOOL bEnable)
5447 {
5448 if (bEnable && IsTopLevel()) {
5449 // we should not enable blocked toplevels
5450 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5451 }
5452 // Shouldn't trigger native focus change
5453 // (only the proxy may be the native focus owner).
5454 ::EnableWindow(GetHWnd(), bEnable);
5455
5456 CriticalSection::Lock l(GetLock());
5457 VerifyState();
5458 }
5459
5460 /*
5461 * associate an AwtDropTarget with this AwtComponent
5462 */
5463
5464 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5465 m_dropTarget = new AwtDropTarget(env, this);
5466 m_dropTarget->RegisterTarget(TRUE);
5467 return m_dropTarget;
5468 }
5469
5470 /*
5471 * disassociate an AwtDropTarget with this AwtComponent
5472 */
5473
5474 void AwtComponent::DestroyDropTarget() {
5475 if (m_dropTarget != NULL) {
5476 m_dropTarget->RegisterTarget(FALSE);
5477 m_dropTarget->Release();
5478 m_dropTarget = NULL;
5479 }
5480 }
5481
5482 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5483 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5484 }
5485
5486 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5487 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5488 }
5489
5490 void AwtComponent::_Show(void *param)
5491 {
5492 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5493
5494 jobject self = (jobject)param;
5495
5496 AwtComponent *p;
5497
5498 PDATA pData;
5499 JNI_CHECK_PEER_GOTO(self, ret);
5500 p = (AwtComponent *)pData;
5501 if (::IsWindow(p->GetHWnd()))
5502 {
5503 p->SendMessage(WM_AWT_COMPONENT_SHOW);
5504 }
5505 ret:
5506 env->DeleteGlobalRef(self);
5507 }
5508
5509 void AwtComponent::_Hide(void *param)
5510 {
5511 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5512
5513 jobject self = (jobject)param;
5514
5515 AwtComponent *p;
5516
5517 PDATA pData;
5518 JNI_CHECK_PEER_GOTO(self, ret);
5519 p = (AwtComponent *)pData;
5520 if (::IsWindow(p->GetHWnd()))
5521 {
5522 p->SendMessage(WM_AWT_COMPONENT_HIDE);
5523 }
5524 ret:
5525 env->DeleteGlobalRef(self);
5526 }
5527
5528 void AwtComponent::_Enable(void *param)
5529 {
5530 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5531
5532 jobject self = (jobject)param;
5533
5534 AwtComponent *p;
5535
5536 PDATA pData;
5537 JNI_CHECK_PEER_GOTO(self, ret);
5538 p = (AwtComponent *)pData;
5539 if (::IsWindow(p->GetHWnd()))
5540 {
5541 p->Enable(TRUE);
5542 }
5543 ret:
5544 env->DeleteGlobalRef(self);
5545 }
5546
5547 void AwtComponent::_Disable(void *param)
5548 {
5549 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5550
5551 jobject self = (jobject)param;
5552
5553 AwtComponent *p;
5554
5555 PDATA pData;
5556 JNI_CHECK_PEER_GOTO(self, ret);
5557 p = (AwtComponent *)pData;
5558 if (::IsWindow(p->GetHWnd()))
5559 {
5560 p->Enable(FALSE);
5561 }
5562 ret:
5563 env->DeleteGlobalRef(self);
5564 }
5565
5566 jobject AwtComponent::_GetLocationOnScreen(void *param)
5567 {
5568 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5569
5570 jobject self = (jobject)param;
5571
5572 jobject result = NULL;
5573 AwtComponent *p;
5574
5575 PDATA pData;
5576 JNI_CHECK_PEER_GOTO(self, ret);
5577 p = (AwtComponent *)pData;
5578 if (::IsWindow(p->GetHWnd()))
5579 {
5580 RECT rect;
5581 VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5582 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5583 rect.left, rect.top);
5584 }
5585 ret:
5586 env->DeleteGlobalRef(self);
5587
5588 if (result != NULL)
5589 {
5590 jobject resultGlobalRef = env->NewGlobalRef(result);
5591 env->DeleteLocalRef(result);
5592 return resultGlobalRef;
5593 }
5594 else
5595 {
5596 return NULL;
5597 }
5598 }
5599
5600 void AwtComponent::_Reshape(void *param)
5601 {
5602 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5603
5604 ReshapeStruct *rs = (ReshapeStruct*)param;
5605 jobject self = rs->component;
5606 jint x = rs->x;
5607 jint y = rs->y;
5608 jint w = rs->w;
5609 jint h = rs->h;
5610
5611 AwtComponent *p;
5612
5613 PDATA pData;
5614 JNI_CHECK_PEER_GOTO(self, ret);
5615 p = (AwtComponent *)pData;
5616 if (::IsWindow(p->GetHWnd()))
5617 {
5618 RECT* r = new RECT;
5619 ::SetRect(r, x, y, x + w, y + h);
5620 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5621 }
5622 ret:
5623 env->DeleteGlobalRef(self);
5624
5625 delete rs;
5626 }
5627
5628 void AwtComponent::_ReshapeNoCheck(void *param)
5629 {
5630 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5631
5632 ReshapeStruct *rs = (ReshapeStruct*)param;
5633 jobject self = rs->component;
5634 jint x = rs->x;
5635 jint y = rs->y;
5636 jint w = rs->w;
5637 jint h = rs->h;
5638
5639 AwtComponent *p;
5640
5641 PDATA pData;
5642 JNI_CHECK_PEER_GOTO(self, ret);
5643 p = (AwtComponent *)pData;
5644 if (::IsWindow(p->GetHWnd()))
5645 {
5646 RECT* r = new RECT;
5647 ::SetRect(r, x, y, x + w, y + h);
5648 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5649 }
5650 ret:
5651 env->DeleteGlobalRef(self);
5652
5653 delete rs;
5654 }
5655
5656 void AwtComponent::_NativeHandleEvent(void *param)
5657 {
5658 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5659
5660 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5661 jobject self = nhes->component;
5662 jobject event = nhes->event;
5663
5664 AwtComponent *p;
5665
5666 PDATA pData;
5667 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5668 pData = JNI_GET_PDATA(self);
5669 if (pData == NULL) {
5670 env->DeleteGlobalRef(self);
5671 if (event != NULL) {
5672 env->DeleteGlobalRef(event);
5673 }
5674 delete nhes;
5675 return;
5676 }
5677 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5678
5679 p = (AwtComponent *)pData;
5680 if (::IsWindow(p->GetHWnd()))
5681 {
5682 if (env->EnsureLocalCapacity(1) < 0) {
5683 env->DeleteGlobalRef(self);
5684 env->DeleteGlobalRef(event);
5685 delete nhes;
5686 return;
5687 }
5688 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5689 int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5690 DASSERT(!safe_ExceptionOccurred(env));
5691 if (bdata != 0) {
5692 MSG msg;
5693 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5694 (env)->DeleteLocalRef(bdata);
5695 static BOOL keyDownConsumed = FALSE;
5696 static BOOL bCharChanged = FALSE;
5697 static WCHAR modifiedChar;
5698 WCHAR unicodeChar;
5699
5700 /* Remember if a KEY_PRESSED event is consumed, as an old model
5701 * program won't consume a subsequent KEY_TYPED event.
5702 */
5703 jboolean consumed =
5704 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5705 DASSERT(!safe_ExceptionOccurred(env));
5706
5707 if (consumed) {
5708 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5709 env->DeleteGlobalRef(self);
5710 env->DeleteGlobalRef(event);
5711 delete nhes;
5712 return;
5713
5714 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5715 // Fix for 6637607: reset consuming
5716 keyDownConsumed = FALSE;
5717 }
5718
5719 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5720 * the old model.
5721 */
5722 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5723 keyDownConsumed = FALSE;
5724 env->DeleteGlobalRef(self);
5725 env->DeleteGlobalRef(event);
5726 delete nhes;
5727 return;
5728 }
5729
5730 /* Modify any event parameters, if necessary. */
5731 if (self && pData &&
5732 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5733 id <= java_awt_event_KeyEvent_KEY_LAST) {
5734
5735 AwtComponent* p = (AwtComponent*)pData;
5736
5737 jint keyCode =
5738 (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5739 jchar keyChar =
5740 (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5741 jint modifiers =
5742 (env)->GetIntField(event, AwtInputEvent::modifiersID);
5743
5744 DASSERT(!safe_ExceptionOccurred(env));
5745
5746 /* Check to see whether the keyCode or modifiers were changed
5747 on the keyPressed event, and tweak the following keyTyped
5748 event (if any) accodingly. */
5749 switch (id) {
5750 case java_awt_event_KeyEvent_KEY_PRESSED:
5751 {
5752 UINT winKey = (UINT)msg.wParam;
5753 bCharChanged = FALSE;
5754
5755 if (winKey == VK_PROCESSKEY) {
5756 // Leave it up to IME
5757 break;
5758 }
5759
5760 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5761 UINT newWinKey, ignored;
5762 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5763 if (newWinKey != 0) {
5764 winKey = newWinKey;
5765 }
5766 }
5767
5768 BOOL isDeadKey = FALSE;
5769 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5770 bCharChanged = (keyChar != modifiedChar);
5771 }
5772 break;
5773
5774 case java_awt_event_KeyEvent_KEY_RELEASED:
5775 {
5776 keyDownConsumed = FALSE;
5777 bCharChanged = FALSE;
5778 }
5779 break;
5780
5781 case java_awt_event_KeyEvent_KEY_TYPED:
5782 {
5783 if (bCharChanged)
5784 {
5785 unicodeChar = modifiedChar;
5786 }
5787 else
5788 {
5789 unicodeChar = keyChar;
5790 }
5791 bCharChanged = FALSE;
5792
5793 // Disable forwarding KEY_TYPED messages to peers of
5794 // disabled components
5795 if (p->isRecursivelyEnabled()) {
5796 // send the character back to the native window for
5797 // processing. The WM_AWT_FORWARD_CHAR handler will send
5798 // this character to DefWindowProc
5799 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5800 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5801 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5802 }
5803 }
5804 env->DeleteGlobalRef(self);
5805 env->DeleteGlobalRef(event);
5806 delete nhes;
5807 return;
5808 }
5809 break;
5810
5811 default:
5812 break;
5813 }
5814 }
5815
5816 // ignore all InputMethodEvents
5817 if (self && (pData = JNI_GET_PDATA(self)) &&
5818 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5819 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5820 env->DeleteGlobalRef(self);
5821 env->DeleteGlobalRef(event);
5822 delete nhes;
5823 return;
5824 }
5825
5826 // Create copy for local msg
5827 MSG* pCopiedMsg = new MSG;
5828 memmove(pCopiedMsg, &msg, sizeof(MSG));
5829 // Event handler deletes msg
5830 p->PostHandleEventMessage(pCopiedMsg, FALSE);
5831
5832 env->DeleteGlobalRef(self);
5833 env->DeleteGlobalRef(event);
5834 delete nhes;
5835 return;
5836 }
5837
5838 /* Forward any valid synthesized events. Currently only mouse and
5839 * key events are supported.
5840 */
5841 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5842 env->DeleteGlobalRef(self);
5843 env->DeleteGlobalRef(event);
5844 delete nhes;
5845 return;
5846 }
5847
5848 AwtComponent* p = (AwtComponent*)pData;
5849 if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5850 id <= java_awt_event_KeyEvent_KEY_LAST) {
5851 p->SynthesizeKeyMessage(env, event);
5852 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5853 id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5854 p->SynthesizeMouseMessage(env, event);
5855 }
5856 }
5857
5858 ret:
5859 if (self != NULL) {
5860 env->DeleteGlobalRef(self);
5861 }
5862 if (event != NULL) {
5863 env->DeleteGlobalRef(event);
5864 }
5865
5866 delete nhes;
5867 }
5868
5869 void AwtComponent::_SetForeground(void *param)
5870 {
5871 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5872
5873 SetColorStruct *scs = (SetColorStruct *)param;
5874 jobject self = scs->component;
5875 jint rgb = scs->rgb;
5876
5877 AwtComponent *c = NULL;
5878
5879 PDATA pData;
5880 JNI_CHECK_PEER_GOTO(self, ret);
5881 c = (AwtComponent *)pData;
5882 if (::IsWindow(c->GetHWnd()))
5883 {
5884 c->SetColor(PALETTERGB((rgb>>16)&0xff,
5885 (rgb>>8)&0xff,
5886 (rgb)&0xff));
5887 c->VerifyState();
5888 }
5889 ret:
5890 env->DeleteGlobalRef(self);
5891
5892 delete scs;
5893 }
5894
5895 void AwtComponent::_SetBackground(void *param)
5896 {
5897 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5898
5899 SetColorStruct *scs = (SetColorStruct *)param;
5900 jobject self = scs->component;
5901 jint rgb = scs->rgb;
5902
5903 AwtComponent *c = NULL;
5904
5905 PDATA pData;
5906 JNI_CHECK_PEER_GOTO(self, ret);
5907 c = (AwtComponent *)pData;
5908 if (::IsWindow(c->GetHWnd()))
5909 {
5910 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
5911 (rgb>>8)&0xff,
5912 (rgb)&0xff));
5913 c->VerifyState();
5914 }
5915 ret:
5916 env->DeleteGlobalRef(self);
5917
5918 delete scs;
5919 }
5920
5921 void AwtComponent::_SetFont(void *param)
5922 {
5923 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5924
5925 SetFontStruct *sfs = (SetFontStruct *)param;
5926 jobject self = sfs->component;
5927 jobject font = sfs->font;
5928
5929 AwtComponent *c = NULL;
5930
5931 PDATA pData;
5932 JNI_CHECK_PEER_GOTO(self, ret);
5933 JNI_CHECK_NULL_GOTO(font, "null font", ret);
5934 c = (AwtComponent *)pData;
5935 if (::IsWindow(c->GetHWnd()))
5936 {
5937 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
5938 if (awtFont == NULL) {
5939 /*arguments of AwtFont::Create are changed for multifont component */
5940 awtFont = AwtFont::Create(env, font);
5941 }
5942 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
5943
5944 c->SetFont(awtFont);
5945 }
5946 ret:
5947 env->DeleteGlobalRef(self);
5948 env->DeleteGlobalRef(font);
5949
5950 delete sfs;
5951 }
5952
5953 // Sets or kills focus for a component.
5954 void AwtComponent::_SetFocus(void *param)
5955 {
5956 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5957
5958 SetFocusStruct *sfs = (SetFocusStruct *)param;
5959 jobject self = sfs->component;
5960 jboolean doSetFocus = sfs->doSetFocus;
5961
5962 AwtComponent *c = NULL;
5963
5964 PDATA pData;
5965 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5966 pData = JNI_GET_PDATA(self);
5967 if (pData == NULL) {
5968 // do nothing just return false
5969 goto ret;
5970 }
5971
5972 c = (AwtComponent *)pData;
5973 if (::IsWindow(c->GetHWnd())) {
5974 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
5975 }
5976 ret:
5977 env->DeleteGlobalRef(self);
5978
5979 delete sfs;
5980 }
5981
5982 void AwtComponent::_Start(void *param)
5983 {
5984 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5985
5986 jobject self = (jobject)param;
5987
5988 AwtComponent *c = NULL;
5989
5990 PDATA pData;
5991 JNI_CHECK_PEER_GOTO(self, ret);
5992 c = (AwtComponent *)pData;
5993 if (::IsWindow(c->GetHWnd()))
5994 {
5995 jobject target = c->GetTarget(env);
5996
5997 /* Disable window if specified -- windows are enabled by default. */
5998 jboolean enabled = (jboolean)env->GetBooleanField(target,
5999 AwtComponent::enabledID);
6000 if (!enabled) {
6001 ::EnableWindow(c->GetHWnd(), FALSE);
6002 }
6003
6004 /* The peer is now ready for callbacks, since this is the last
6005 * initialization call
6006 */
6007 c->EnableCallbacks(TRUE);
6008
6009 // Fix 4745222: we need to invalidate region since we validated it before initialization.
6010 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
6011
6012 // Fix 4530093: WM_PAINT after EnableCallbacks
6013 ::UpdateWindow(c->GetHWnd());
6014
6015 env->DeleteLocalRef(target);
6016 }
6017 ret:
6018 env->DeleteGlobalRef(self);
6019 }
6020
6021 void AwtComponent::_BeginValidate(void *param)
6022 {
6023 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6024 if (AwtToolkit::IsMainThread()) {
6025 jobject self = (jobject)param;
6026 if (self != NULL) {
6027 PDATA pData = JNI_GET_PDATA(self);
6028 if (pData) {
6029 AwtComponent *c = (AwtComponent *)pData;
6030 if (::IsWindow(c->GetHWnd())) {
6031 c->SendMessage(WM_AWT_BEGIN_VALIDATE);
6032 }
6033 }
6034 env->DeleteGlobalRef(self);
6035 }
6036 } else {
6037 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
6038 }
6039 }
6040
6041 void AwtComponent::_EndValidate(void *param)
6042 {
6043 if (AwtToolkit::IsMainThread()) {
6044 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6045 jobject self = (jobject)param;
6046 if (self != NULL) {
6047 PDATA pData = JNI_GET_PDATA(self);
6048 if (pData) {
6049 AwtComponent *c = (AwtComponent *)pData;
6050 if (::IsWindow(c->GetHWnd())) {
6051 c->SendMessage(WM_AWT_END_VALIDATE);
6052 }
6053 }
6054 env->DeleteGlobalRef(self);
6055 }
6056 } else {
6057 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
6058 }
6059 }
6060
6061 void AwtComponent::_UpdateWindow(void *param)
6062 {
6063 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6064 if (AwtToolkit::IsMainThread()) {
6065 jobject self = (jobject)param;
6066 AwtComponent *c = NULL;
6067 PDATA pData;
6068 JNI_CHECK_PEER_GOTO(self, ret);
6069 c = (AwtComponent *)pData;
6070 if (::IsWindow(c->GetHWnd())) {
6071 ::UpdateWindow(c->GetHWnd());
6072 }
6073 ret:
6074 env->DeleteGlobalRef(self);
6075 } else {
6076 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
6077 }
6078 }
6079
6080 jlong AwtComponent::_AddNativeDropTarget(void *param)
6081 {
6082 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6083
6084 jobject self = (jobject)param;
6085
6086 jlong result = 0;
6087 AwtComponent *c = NULL;
6088
6089 PDATA pData;
6090 JNI_CHECK_PEER_GOTO(self, ret);
6091 c = (AwtComponent *)pData;
6092 if (::IsWindow(c->GetHWnd()))
6093 {
6094 result = (jlong)(c->CreateDropTarget(env));
6095 }
6096 ret:
6097 env->DeleteGlobalRef(self);
6098
6099 return result;
6100 }
6101
6102 void AwtComponent::_RemoveNativeDropTarget(void *param)
6103 {
6104 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6105
6106 jobject self = (jobject)param;
6107
6108 AwtComponent *c = NULL;
6109
6110 PDATA pData;
6111 JNI_CHECK_PEER_GOTO(self, ret);
6112 c = (AwtComponent *)pData;
6113 if (::IsWindow(c->GetHWnd()))
6114 {
6115 c->DestroyDropTarget();
6116 }
6117 ret:
6118 env->DeleteGlobalRef(self);
6119 }
6120
6121 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6122 {
6123 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6124
6125 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6126 jobject self = cpps->component;
6127
6128 jintArray result = NULL;
6129 AwtComponent *c = NULL;
6130
6131 PDATA pData;
6132 JNI_CHECK_PEER_GOTO(self, ret);
6133 c = (AwtComponent *)pData;
6134 if (::IsWindow(c->GetHWnd()))
6135 {
6136 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6137 }
6138 ret:
6139 env->DeleteGlobalRef(self);
6140
6141 delete cpps;
6142 return result; // this reference is global
6143 }
6144
6145 jboolean AwtComponent::_IsObscured(void *param)
6146 {
6147 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6148
6149 jobject self = (jobject)param;
6150
6151 jboolean result = JNI_FALSE;
6152 AwtComponent *c = NULL;
6153
6154 PDATA pData;
6155 JNI_CHECK_PEER_GOTO(self, ret);
6156
6157 c = (AwtComponent *)pData;
6158
6159 if (::IsWindow(c->GetHWnd()))
6160 {
6161 HWND hWnd = c->GetHWnd();
6162 HDC hDC = ::GetDC(hWnd);
6163 RECT clipbox;
6164 int callresult = ::GetClipBox(hDC, &clipbox);
6165 switch(callresult) {
6166 case NULLREGION :
6167 result = JNI_FALSE;
6168 break;
6169 case SIMPLEREGION : {
6170 RECT windowRect;
6171 if (!::GetClientRect(hWnd, &windowRect)) {
6172 result = JNI_TRUE;
6173 } else {
6174 result = (jboolean)((clipbox.bottom != windowRect.bottom)
6175 || (clipbox.left != windowRect.left)
6176 || (clipbox.right != windowRect.right)
6177 || (clipbox.top != windowRect.top));
6178 }
6179 break;
6180 }
6181 case COMPLEXREGION :
6182 default :
6183 result = JNI_TRUE;
6184 break;
6185 }
6186 ::ReleaseDC(hWnd, hDC);
6187 }
6188 ret:
6189 env->DeleteGlobalRef(self);
6190
6191 return result;
6192 }
6193
6194 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6195 {
6196 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6197
6198 jobject self = (jobject)param;
6199
6200 jboolean result = JNI_FALSE;
6201 AwtComponent *c = NULL;
6202
6203 PDATA pData;
6204 JNI_CHECK_PEER_GOTO(self, ret);
6205 c = (AwtComponent *)pData;
6206 if (::IsWindow(c->GetHWnd()))
6207 {
6208 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6209 }
6210 ret:
6211 env->DeleteGlobalRef(self);
6212
6213 return result;
6214 }
6215
6216 void AwtComponent::_SetParent(void * param)
6217 {
6218 if (AwtToolkit::IsMainThread()) {
6219 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6220 SetParentStruct *data = (SetParentStruct*) param;
6221 jobject self = data->component;
6222 jobject parent = data->parentComp;
6223
6224 AwtComponent *awtComponent = NULL;
6225 AwtComponent *awtParent = NULL;
6226
6227 PDATA pData;
6228 JNI_CHECK_PEER_GOTO(self, ret);
6229 awtComponent = (AwtComponent *)pData;
6230 JNI_CHECK_PEER_GOTO(parent, ret);
6231 awtParent = (AwtComponent *)pData;
6232
6233 HWND selfWnd = awtComponent->GetHWnd();
6234 HWND parentWnd = awtParent->GetHWnd();
6235 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6236 // Shouldn't trigger native focus change
6237 // (only the proxy may be the native focus owner).
6238 ::SetParent(selfWnd, parentWnd);
6239 }
6240 ret:
6241 env->DeleteGlobalRef(self);
6242 env->DeleteGlobalRef(parent);
6243 delete data;
6244 } else {
6245 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetParent, param);
6246 }
6247 }
6248
6249 void AwtComponent::_SetRectangularShape(void *param)
6250 {
6251 if (!AwtToolkit::IsMainThread()) {
6252 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6253 } else {
6254 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6255
6256 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6257 jobject self = data->component;
6258 jint x1 = data->x1;
6259 jint x2 = data->x2;
6260 jint y1 = data->y1;
6261 jint y2 = data->y2;
6262 jobject region = data->region;
6263
6264 AwtComponent *c = NULL;
6265
6266 PDATA pData;
6267 JNI_CHECK_PEER_GOTO(self, ret);
6268
6269 c = (AwtComponent *)pData;
6270 if (::IsWindow(c->GetHWnd())) {
6271 HRGN hRgn = NULL;
6272
6273 // If all the params are zeros, the shape must be simply reset.
6274 // Otherwise, convert it into a region.
6275 if (region || x1 || x2 || y1 || y2) {
6276 RECT_T rects[256];
6277 RECT_T *pRect = rects;
6278
6279 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6280 region, &pRect, sizeof(rects)/sizeof(rects[0]));
6281 if (!pRect) {
6282 // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6283 // so throw the exception explicitly
6284 throw std::bad_alloc();
6285 }
6286
6287 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6288 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6289 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6290 if (pRect != rects) {
6291 free(pRect);
6292 }
6293 pRect = NULL;
6294
6295 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6296 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6297 pRgnHdr->iType = RDH_RECTANGLES;
6298 pRgnHdr->nRgnSize = 0;
6299 pRgnHdr->rcBound.top = 0;
6300 pRgnHdr->rcBound.left = 0;
6301 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6302 pRgnHdr->rcBound.right = LONG(x2 - x1);
6303 pRgnHdr->nCount = numrects;
6304
6305 hRgn = ::ExtCreateRegion(NULL,
6306 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6307
6308 free(pRgnData);
6309 }
6310
6311 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6312 }
6313
6314 ret:
6315 env->DeleteGlobalRef(self);
6316 if (region) {
6317 env->DeleteGlobalRef(region);
6318 }
6319
6320 delete data;
6321 }
6322 }
6323
6324 void AwtComponent::_SetZOrder(void *param) {
6325 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6326
6327 SetZOrderStruct *data = (SetZOrderStruct *)param;
6328 jobject self = data->component;
6329 HWND above = HWND_TOP;
6330 if (data->above != 0) {
6331 above = reinterpret_cast<HWND>(data->above);
6332 }
6333
6334 AwtComponent *c = NULL;
6335
6336 PDATA pData;
6337 JNI_CHECK_PEER_GOTO(self, ret);
6338
6339 c = (AwtComponent *)pData;
6340 if (::IsWindow(c->GetHWnd())) {
6341 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6342 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6343 }
6344
6345 ret:
6346 env->DeleteGlobalRef(self);
6347
6348 delete data;
6349 }
6350
6351 void AwtComponent::PostUngrabEvent() {
6352 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6353 jobject target = GetTarget(env);
6354 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6355 target);
6356 if (safe_ExceptionOccurred(env)) {
6357 env->ExceptionDescribe();
6358 env->ExceptionClear();
6359 }
6360 env->DeleteLocalRef(target);
6361 if (event != NULL) {
6362 SendEvent(event);
6363 env->DeleteLocalRef(event);
6364 }
6365 }
6366
6367 void AwtComponent::SetFocusedWindow(HWND window)
6368 {
6369 HWND old = sm_focusedWindow;
6370 sm_focusedWindow = window;
6371
6372 AwtWindow::FocusedWindowChanged(old, window);
6373 }
6374
6375 /************************************************************************
6376 * Component native methods
6377 */
6378
6379 extern "C" {
6380
6381 /**
6382 * This method is called from the WGL pipeline when it needs to retrieve
6383 * the HWND associated with a ComponentPeer's C++ level object.
6384 */
6385 HWND
6386 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6387 {
6388 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6389 if (p == NULL) {
6390 return (HWND)0;
6391 }
6392 return p->GetHWnd();
6393 }
6394
6395 static void _GetInsets(void* param)
6396 {
6397 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6398
6399 GetInsetsStruct *gis = (GetInsetsStruct *)param;
6400 jobject self = gis->window;
6401
6402 gis->insets->left = gis->insets->top =
6403 gis->insets->right = gis->insets->bottom = 0;
6404
6405 PDATA pData;
6406 JNI_CHECK_PEER_GOTO(self, ret);
6407 AwtComponent *component = (AwtComponent *)pData;
6408
6409 component->GetInsets(gis->insets);
6410
6411 ret:
6412 env->DeleteGlobalRef(self);
6413 delete gis;
6414 }
6415
6416 /**
6417 * This method is called from the WGL pipeline when it needs to retrieve
6418 * the insets associated with a ComponentPeer's C++ level object.
6419 */
6420 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6421 {
6422 TRY;
6423
6424 GetInsetsStruct *gis = new GetInsetsStruct;
6425 gis->window = env->NewGlobalRef(peer);
6426 gis->insets = insets;
6427
6428 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6429 // global refs and mds are deleted in _UpdateWindow
6430
6431 CATCH_BAD_ALLOC;
6432
6433 }
6434
6435 JNIEXPORT void JNICALL
6436 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6437 {
6438 TRY;
6439 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6440 CHECK_NULL(inputEventClazz);
6441 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6442 CHECK_NULL(getButtonDownMasksID);
6443 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6444 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6445 CHECK_NULL(tmp);
6446 jsize len = env->GetArrayLength(obj);
6447 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6448 for (int i = 0; i < len; i++) {
6449 AwtComponent::masks[i] = tmp[i];
6450 }
6451 env->ReleaseIntArrayElements(obj, tmp, 0);
6452 env->DeleteLocalRef(obj);
6453
6454 /* class ids */
6455 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6456
6457 DASSERT(peerCls);
6458 CHECK_NULL(peerCls);
6459
6460 /* field ids */
6461 AwtComponent::peerID =
6462 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6463 DASSERT(AwtComponent::peerID);
6464 CHECK_NULL(AwtComponent::peerID);
6465
6466 AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6467 DASSERT(AwtComponent::xID);
6468 CHECK_NULL(AwtComponent::xID);
6469
6470 AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6471 DASSERT(AwtComponent::yID);
6472 CHECK_NULL(AwtComponent::yID);
6473
6474 AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6475 DASSERT(AwtComponent::heightID);
6476 CHECK_NULL(AwtComponent::heightID);
6477
6478 AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6479 DASSERT(AwtComponent::widthID);
6480 CHECK_NULL(AwtComponent::widthID);
6481
6482 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6483 DASSERT(AwtComponent::visibleID);
6484 CHECK_NULL(AwtComponent::visibleID);
6485
6486 AwtComponent::backgroundID =
6487 env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6488 DASSERT(AwtComponent::backgroundID);
6489 CHECK_NULL(AwtComponent::backgroundID);
6490
6491 AwtComponent::foregroundID =
6492 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6493 DASSERT(AwtComponent::foregroundID);
6494 CHECK_NULL(AwtComponent::foregroundID);
6495
6496 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6497 DASSERT(AwtComponent::enabledID);
6498 CHECK_NULL(AwtComponent::enabledID);
6499
6500 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6501 DASSERT(AwtComponent::parentID);
6502 CHECK_NULL(AwtComponent::parentID);
6503
6504 AwtComponent::graphicsConfigID =
6505 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6506 DASSERT(AwtComponent::graphicsConfigID);
6507 CHECK_NULL(AwtComponent::graphicsConfigID);
6508
6509 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6510 DASSERT(AwtComponent::focusableID);
6511 CHECK_NULL(AwtComponent::focusableID);
6512
6513 AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6514 "Lsun/awt/AppContext;");
6515 DASSERT(AwtComponent::appContextID);
6516 CHECK_NULL(AwtComponent::appContextID);
6517
6518 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6519 "Lsun/awt/Win32GraphicsConfig;");
6520 DASSERT(AwtComponent::peerGCID);
6521 CHECK_NULL(AwtComponent::peerGCID);
6522
6523 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6524 DASSERT(AwtComponent::hwndID);
6525 CHECK_NULL(AwtComponent::hwndID);
6526
6527 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6528 DASSERT(AwtComponent::cursorID);
6529 CHECK_NULL(AwtComponent::cursorID);
6530
6531 /* method ids */
6532 AwtComponent::getFontMID =
6533 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6534 DASSERT(AwtComponent::getFontMID);
6535 CHECK_NULL(AwtComponent::getFontMID);
6536
6537 AwtComponent::getToolkitMID =
6538 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6539 DASSERT(AwtComponent::getToolkitMID);
6540 CHECK_NULL(AwtComponent::getToolkitMID);
6541
6542 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6543 DASSERT(AwtComponent::isEnabledMID);
6544 CHECK_NULL(AwtComponent::isEnabledMID);
6545
6546 AwtComponent::getLocationOnScreenMID =
6547 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6548 DASSERT(AwtComponent::getLocationOnScreenMID);
6549 CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6550
6551 AwtComponent::replaceSurfaceDataMID =
6552 env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6553 DASSERT(AwtComponent::replaceSurfaceDataMID);
6554 CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6555
6556 AwtComponent::replaceSurfaceDataLaterMID =
6557 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6558 DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6559 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6560
6561 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6562 DASSERT(AwtComponent::disposeLaterMID);
6563 CHECK_NULL(AwtComponent::disposeLaterMID);
6564
6565 CATCH_BAD_ALLOC;
6566 }
6567
6568 } /* extern "C" */
6569
6570
6571 /************************************************************************
6572 * ComponentPeer native methods
6573 */
6574
6575 extern "C" {
6576
6577 /*
6578 * Class: sun_awt_windows_WComponentPeer
6579 * Method: pShow
6580 * Signature: ()V
6581 */
6582 JNIEXPORT void JNICALL
6583 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6584 {
6585 TRY;
6586
6587 jobject selfGlobalRef = env->NewGlobalRef(self);
6588
6589 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6590 // selfGlobalRef is deleted in _Show
6591
6592 CATCH_BAD_ALLOC;
6593 }
6594
6595 /*
6596 * Class: sun_awt_windows_WComponentPeer
6597 * Method: hide
6598 * Signature: ()V
6599 */
6600 JNIEXPORT void JNICALL
6601 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6602 {
6603 TRY;
6604
6605 jobject selfGlobalRef = env->NewGlobalRef(self);
6606
6607 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6608 // selfGlobalRef is deleted in _Hide
6609
6610 CATCH_BAD_ALLOC;
6611 }
6612
6613 /*
6614 * Class: sun_awt_windows_WComponentPeer
6615 * Method: enable
6616 * Signature: ()V
6617 */
6618 JNIEXPORT void JNICALL
6619 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6620 {
6621 TRY;
6622
6623 jobject selfGlobalRef = env->NewGlobalRef(self);
6624
6625 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6626 // selfGlobalRef is deleted in _Enable
6627
6628 CATCH_BAD_ALLOC;
6629 }
6630
6631 /*
6632 * Class: sun_awt_windows_WComponentPeer
6633 * Method: disable
6634 * Signature: ()V
6635 */
6636 JNIEXPORT void JNICALL
6637 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6638 {
6639 TRY;
6640
6641 jobject selfGlobalRef = env->NewGlobalRef(self);
6642
6643 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6644 // selfGlobalRef is deleted in _Disable
6645
6646 CATCH_BAD_ALLOC;
6647 }
6648
6649 /*
6650 * Class: sun_awt_windows_WComponentPeer
6651 * Method: getLocationOnScreen
6652 * Signature: ()Ljava/awt/Point;
6653 */
6654 JNIEXPORT jobject JNICALL
6655 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6656 {
6657 TRY;
6658
6659 jobject selfGlobalRef = env->NewGlobalRef(self);
6660
6661 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6662 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6663 // selfGlobalRef is deleted in _GetLocationOnScreen
6664 if (resultGlobalRef != NULL)
6665 {
6666 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6667 env->DeleteGlobalRef(resultGlobalRef);
6668 return resultLocalRef;
6669 }
6670
6671 return NULL;
6672
6673 CATCH_BAD_ALLOC_RET(NULL);
6674 }
6675
6676 /*
6677 * Class: sun_awt_windows_WComponentPeer
6678 * Method: reshape
6679 * Signature: (IIII)V
6680 */
6681 JNIEXPORT void JNICALL
6682 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6683 jint x, jint y, jint w, jint h)
6684 {
6685 TRY;
6686
6687 ReshapeStruct *rs = new ReshapeStruct;
6688 rs->component = env->NewGlobalRef(self);
6689 rs->x = x;
6690 rs->y = y;
6691 rs->w = w;
6692 rs->h = h;
6693
6694 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6695 // global ref and rs are deleted in _Reshape
6696
6697 CATCH_BAD_ALLOC;
6698 }
6699
6700 /*
6701 * Class: sun_awt_windows_WComponentPeer
6702 * Method: reshape
6703 * Signature: (IIII)V
6704 */
6705 JNIEXPORT void JNICALL
6706 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6707 jint x, jint y, jint w, jint h)
6708 {
6709 TRY;
6710
6711 ReshapeStruct *rs = new ReshapeStruct;
6712 rs->component = env->NewGlobalRef(self);
6713 rs->x = x;
6714 rs->y = y;
6715 rs->w = w;
6716 rs->h = h;
6717
6718 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6719 // global ref and rs are deleted in _ReshapeNoCheck
6720
6721 CATCH_BAD_ALLOC;
6722 }
6723
6724
6725 /*
6726 * Class: sun_awt_windows_WComponentPeer
6727 * Method: nativeHandleEvent
6728 * Signature: (Ljava/awt/AWTEvent;)V
6729 */
6730 JNIEXPORT void JNICALL
6731 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6732 jobject self,
6733 jobject event)
6734 {
6735 TRY;
6736
6737 jobject selfGlobalRef = env->NewGlobalRef(self);
6738 jobject eventGlobalRef = env->NewGlobalRef(event);
6739
6740 NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6741 nhes->component = selfGlobalRef;
6742 nhes->event = eventGlobalRef;
6743
6744 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6745 // global refs and nhes are deleted in _NativeHandleEvent
6746
6747 CATCH_BAD_ALLOC;
6748 }
6749
6750 /*
6751 * Class: sun_awt_windows_WComponentPeer
6752 * Method: _dispose
6753 * Signature: ()V
6754 */
6755 JNIEXPORT void JNICALL
6756 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6757 {
6758 TRY_NO_HANG;
6759
6760 AwtObject::_Dispose(self);
6761
6762 CATCH_BAD_ALLOC;
6763 }
6764
6765 /*
6766 * Class: sun_awt_windows_WComponentPeer
6767 * Method: _setForeground
6768 * Signature: (I)V
6769 */
6770 JNIEXPORT void JNICALL
6771 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6772 jint rgb)
6773 {
6774 TRY;
6775
6776 jobject selfGlobalRef = env->NewGlobalRef(self);
6777
6778 SetColorStruct *scs = new SetColorStruct;
6779 scs->component = selfGlobalRef;
6780 scs->rgb = rgb;
6781
6782 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6783 // selfGlobalRef and scs are deleted in _SetForeground()
6784
6785 CATCH_BAD_ALLOC;
6786 }
6787
6788 /*
6789 * Class: sun_awt_windows_WComponentPeer
6790 * Method: _setBackground
6791 * Signature: (I)V
6792 */
6793 JNIEXPORT void JNICALL
6794 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6795 jint rgb)
6796 {
6797 TRY;
6798
6799 jobject selfGlobalRef = env->NewGlobalRef(self);
6800
6801 SetColorStruct *scs = new SetColorStruct;
6802 scs->component = selfGlobalRef;
6803 scs->rgb = rgb;
6804
6805 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6806 // selfGlobalRef and scs are deleted in _SetBackground()
6807
6808 CATCH_BAD_ALLOC;
6809 }
6810
6811 /*
6812 * Class: sun_awt_windows_WComponentPeer
6813 * Method: _setFont
6814 * Signature: (Ljava/awt/Font;)V
6815 */
6816 JNIEXPORT void JNICALL
6817 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6818 jobject font)
6819 {
6820 TRY;
6821
6822 jobject selfGlobalRef = env->NewGlobalRef(self);
6823 jobject fontGlobalRef = env->NewGlobalRef(font);
6824
6825 SetFontStruct *sfs = new SetFontStruct;
6826 sfs->component = selfGlobalRef;
6827 sfs->font = fontGlobalRef;
6828
6829 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6830 // global refs and sfs are deleted in _SetFont()
6831
6832 CATCH_BAD_ALLOC;
6833 }
6834
6835 /*
6836 * Class: sun_awt_windows_WComponentPeer
6837 * Method: focusGained
6838 * Signature: (Z)
6839 */
6840 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6841 (JNIEnv *env, jobject self, jboolean doSetFocus)
6842 {
6843 TRY;
6844
6845 jobject selfGlobalRef = env->NewGlobalRef(self);
6846
6847 SetFocusStruct *sfs = new SetFocusStruct;
6848 sfs->component = selfGlobalRef;
6849 sfs->doSetFocus = doSetFocus;
6850
6851 AwtToolkit::GetInstance().SyncCall(
6852 (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6853 // global refs and self are deleted in _SetFocus
6854
6855 CATCH_BAD_ALLOC;
6856 }
6857
6858 /*
6859 * Class: sun_awt_windows_WComponentPeer
6860 * Method: start
6861 * Signature: ()V
6862 */
6863 JNIEXPORT void JNICALL
6864 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6865 {
6866 TRY;
6867
6868 jobject selfGlobalRef = env->NewGlobalRef(self);
6869
6870 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6871 // selfGlobalRef is deleted in _Start
6872
6873 CATCH_BAD_ALLOC;
6874 }
6875
6876 /*
6877 * Class: sun_awt_windows_WComponentPeer
6878 * Method: beginValidate
6879 * Signature: ()V
6880 */
6881 JNIEXPORT void JNICALL
6882 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6883 {
6884 TRY;
6885
6886 jobject selfGlobalRef = env->NewGlobalRef(self);
6887
6888 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6889 // selfGlobalRef is deleted in _BeginValidate
6890
6891 CATCH_BAD_ALLOC;
6892 }
6893
6894 /*
6895 * Class: sun_awt_windows_WComponentPeer
6896 * Method: endValidate
6897 * Signature: ()V
6898 */
6899 JNIEXPORT void JNICALL
6900 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6901 {
6902 TRY;
6903
6904 jobject selfGlobalRef = env->NewGlobalRef(self);
6905
6906 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
6907 // selfGlobalRef is deleted in _EndValidate
6908
6909 CATCH_BAD_ALLOC;
6910 }
6911
6912 JNIEXPORT void JNICALL
6913 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
6914 {
6915 TRY;
6916
6917 jobject selfGlobalRef = env->NewGlobalRef(self);
6918
6919 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
6920 // selfGlobalRef is deleted in _UpdateWindow
6921
6922 CATCH_BAD_ALLOC;
6923 }
6924
6925 /*
6926 * Class: sun_awt_windows_WComponentPeer
6927 * Method: addNativeDropTarget
6928 * Signature: ()L
6929 */
6930
6931 JNIEXPORT jlong JNICALL
6932 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
6933 jobject self)
6934 {
6935 TRY;
6936
6937 jobject selfGlobalRef = env->NewGlobalRef(self);
6938
6939 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
6940 (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
6941 (void *)selfGlobalRef));
6942 // selfGlobalRef is deleted in _AddNativeDropTarget
6943
6944 CATCH_BAD_ALLOC_RET(0);
6945 }
6946
6947 /*
6948 * Class: sun_awt_windows_WComponentPeer
6949 * Method: removeNativeDropTarget
6950 * Signature: ()V
6951 */
6952
6953 JNIEXPORT void JNICALL
6954 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
6955 jobject self)
6956 {
6957 TRY;
6958
6959 jobject selfGlobalRef = env->NewGlobalRef(self);
6960
6961 AwtToolkit::GetInstance().SyncCall(
6962 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
6963 // selfGlobalRef is deleted in _RemoveNativeDropTarget
6964
6965 CATCH_BAD_ALLOC;
6966 }
6967
6968 /*
6969 * Class: sun_awt_windows_WComponentPeer
6970 * Method: getTargetGC
6971 * Signature: ()Ljava/awt/GraphicsConfiguration;
6972 */
6973 JNIEXPORT jobject JNICALL
6974 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
6975 {
6976 TRY;
6977
6978 jobject targetObj;
6979 jobject gc = 0;
6980
6981 targetObj = env->GetObjectField(theThis, AwtObject::targetID);
6982 DASSERT(targetObj);
6983
6984 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
6985 return gc;
6986
6987 CATCH_BAD_ALLOC_RET(NULL);
6988 }
6989
6990 /*
6991 * Class: sun_awt_windows_WComponentPeer
6992 * Method: createPrintedPixels
6993 * Signature: (IIIIII)I[
6994 */
6995 JNIEXPORT jintArray JNICALL
6996 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
6997 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
6998 {
6999 TRY;
7000
7001 jobject selfGlobalRef = env->NewGlobalRef(self);
7002
7003 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
7004 cpps->component = selfGlobalRef;
7005 cpps->srcx = srcX;
7006 cpps->srcy = srcY;
7007 cpps->srcw = srcW;
7008 cpps->srch = srcH;
7009 cpps->alpha = alpha;
7010
7011 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
7012 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
7013 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
7014 if (globalRef != NULL)
7015 {
7016 jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
7017 env->DeleteGlobalRef(globalRef);
7018 return localRef;
7019 }
7020 else
7021 {
7022 return NULL;
7023 }
7024
7025 CATCH_BAD_ALLOC_RET(NULL);
7026 }
7027
7028 /*
7029 * Class: sun_awt_windows_WComponentPeer
7030 * Method: nativeHandlesWheelScrolling
7031 * Signature: ()Z
7032 */
7033 JNIEXPORT jboolean JNICALL
7034 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
7035 jobject self)
7036 {
7037 TRY;
7038
7039 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7040 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
7041 env->NewGlobalRef(self));
7042 // global ref is deleted in _NativeHandlesWheelScrolling
7043
7044 CATCH_BAD_ALLOC_RET(NULL);
7045 }
7046
7047 /*
7048 * Class: sun_awt_windows_WComponentPeer
7049 * Method: isObscured
7050 * Signature: ()Z
7051 */
7052 JNIEXPORT jboolean JNICALL
7053 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
7054 jobject self)
7055 {
7056 TRY;
7057
7058 jobject selfGlobalRef = env->NewGlobalRef(self);
7059
7060 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7061 (void*(*)(void*))AwtComponent::_IsObscured,
7062 (void *)selfGlobalRef);
7063 // selfGlobalRef is deleted in _IsObscured
7064
7065 CATCH_BAD_ALLOC_RET(NULL);
7066 }
7067
7068 JNIEXPORT void JNICALL
7069 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
7070 TRY;
7071
7072 SetParentStruct * data = new SetParentStruct;
7073 data->component = env->NewGlobalRef(self);
7074 data->parentComp = env->NewGlobalRef(parent);
7075
7076 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetParent, data);
7077 // global refs and data are deleted in SetParent
7078
7079 CATCH_BAD_ALLOC;
7080 }
7081
7082 JNIEXPORT void JNICALL
7083 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
7084 jint x1, jint y1, jint x2, jint y2, jobject region)
7085 {
7086 TRY;
7087
7088 SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
7089 data->component = env->NewGlobalRef(self);
7090 data->x1 = x1;
7091 data->x2 = x2;
7092 data->y1 = y1;
7093 data->y2 = y2;
7094 if (region) {
7095 data->region = env->NewGlobalRef(region);
7096 } else {
7097 data->region = NULL;
7098 }
7099
7100 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
7101 // global refs and data are deleted in _SetRectangularShape
7102
7103 CATCH_BAD_ALLOC;
7104 }
7105
7106 JNIEXPORT void JNICALL
7107 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
7108 {
7109 TRY;
7110
7111 SetZOrderStruct * data = new SetZOrderStruct;
7112 data->component = env->NewGlobalRef(self);
7113 data->above = above;
7114
7115 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
7116 // global refs and data are deleted in _SetLower
7117
7118 CATCH_BAD_ALLOC;
7119 }
7120
7121 } /* extern "C" */
7122
7123
7124 /************************************************************************
7125 * Diagnostic routines
7126 */
7127
7128 #ifdef DEBUG
7129
7130 void AwtComponent::VerifyState()
7131 {
7132 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7133 return;
7134 }
7135
7136 if (m_callbacksEnabled == FALSE) {
7137 /* Component is not fully setup yet. */
7138 return;
7139 }
7140
7141 /* Get target bounds. */
7142 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7143 if (env->PushLocalFrame(10) < 0)
7144 return;
7145
7146 jobject target = GetTarget(env);
7147
7148 jint x = env->GetIntField(target, AwtComponent::xID);
7149 jint y = env->GetIntField(target, AwtComponent::yID);
7150 jint width = env->GetIntField(target, AwtComponent::widthID);
7151 jint height = env->GetIntField(target, AwtComponent::heightID);
7152
7153 /* Convert target origin to absolute coordinates */
7154 while (TRUE) {
7155
7156 jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7157 if (parent == NULL) {
7158 break;
7159 }
7160 x += env->GetIntField(parent, AwtComponent::xID);
7161 y += env->GetIntField(parent, AwtComponent::yID);
7162
7163 /* If this component has insets, factor them in, but ignore
7164 * top-level windows.
7165 */
7166 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7167 if (parent2 != NULL) {
7168 jobject peer = GetPeerForTarget(env, parent);
7169 if (peer != NULL &&
7170 JNU_IsInstanceOfByName(env, peer,
7171 "sun/awt/windows/WPanelPeer") > 0) {
7172 jobject insets =
7173 JNU_CallMethodByName(env, NULL, peer,"insets",
7174 "()Ljava/awt/Insets;").l;
7175 x += (env)->GetIntField(insets, AwtInsets::leftID);
7176 y += (env)->GetIntField(insets, AwtInsets::topID);
7177 }
7178 }
7179 env->DeleteLocalRef(target);
7180 target = parent;
7181 }
7182
7183 // Test whether component's bounds match the native window's
7184 RECT rect;
7185 VERIFY(::GetWindowRect(GetHWnd(), &rect));
7186 #if 0
7187 DASSERT( (x == rect.left) &&
7188 (y == rect.top) &&
7189 (width == (rect.right-rect.left)) &&
7190 (height == (rect.bottom-rect.top)) );
7191 #else
7192 BOOL fSizeValid = ( (x == rect.left) &&
7193 (y == rect.top) &&
7194 (width == (rect.right-rect.left)) &&
7195 (height == (rect.bottom-rect.top)) );
7196 #endif
7197
7198 // See if visible state matches
7199 BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7200 jboolean targetVisible;
7201 // To avoid possibly running client code on the toolkit thread, don't
7202 // do the following check if we're running on the toolkit thread.
7203 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7204 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7205 "isShowing", "()Z").z;
7206 DASSERT(!safe_ExceptionOccurred(env));
7207 } else {
7208 targetVisible = wndVisible ? 1 : 0;
7209 }
7210 #if 0
7211 DASSERT( (targetVisible && wndVisible) ||
7212 (!targetVisible && !wndVisible) );
7213 #else
7214 BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7215 (!targetVisible && !wndVisible) );
7216 #endif
7217
7218 // Check enabled state
7219 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7220 jboolean enabled = (jboolean)env->GetBooleanField(target,
7221 AwtComponent::enabledID);
7222 #if 0
7223 DASSERT( (enabled && wndEnabled) ||
7224 (!enabled && !wndEnabled) );
7225 #else
7226 BOOL fEnabledValid = ((enabled && wndEnabled) ||
7227 (!(enabled && !wndEnabled) ));
7228
7229 if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7230 printf("AwtComponent::ValidateState() failed:\n");
7231 // To avoid possibly running client code on the toolkit thread, don't
7232 // do the following call if we're running on the toolkit thread.
7233 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7234 jstring targetStr =
7235 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7236 "getName",
7237 "()Ljava/lang/String;").l;
7238 DASSERT(!safe_ExceptionOccurred(env));
7239 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7240 printf("\t%S\n", targetStrW);
7241 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7242 }
7243 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height);
7244 if (!fSizeValid) {
7245 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7246 rect.right-rect.left, rect.bottom-rect.top);
7247 }
7248 if (!fVisibleValid) {
7249 printf("\tshould be: %s\n",
7250 (targetVisible) ? "visible" : "hidden");
7251 }
7252 if (!fEnabledValid) {
7253 printf("\tshould be: %s\n",
7254 enabled ? "enabled" : "disabled");
7255 }
7256 }
7257 #endif
7258 env->PopLocalFrame(0);
7259 }
7260 #endif //DEBUG
7261
7262 // Methods for globally managed DC list
7263
7264 /**
7265 * Add a new DC to the DC list for this component.
7266 */
7267 void DCList::AddDC(HDC hDC, HWND hWnd)
7268 {
7269 DCItem *newItem = new DCItem;
7270 newItem->hDC = hDC;
7271 newItem->hWnd = hWnd;
7272 AddDCItem(newItem);
7273 }
7274
7275 void DCList::AddDCItem(DCItem *newItem)
7276 {
7277 listLock.Enter();
7278 newItem->next = head;
7279 head = newItem;
7280 listLock.Leave();
7281 }
7282
7283 /**
7284 * Given a DC and window handle, remove the DC from the DC list
7285 * and return TRUE if it exists on the current list. Otherwise
7286 * return FALSE.
7287 * A DC may not exist on the list because it has already
7288 * been released elsewhere (for example, the window
7289 * destruction process may release a DC while a rendering
7290 * thread may also want to release a DC when it notices that
7291 * its DC is obsolete for the current window).
7292 */
7293 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd)
7294 {
7295 listLock.Enter();
7296 DCItem **prevPtrPtr = &head;
7297 DCItem *listPtr = head;
7298 while (listPtr) {
7299 DCItem *nextPtr = listPtr->next;
7300 if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) {
7301 *prevPtrPtr = nextPtr;
7302 break;
7303 }
7304 prevPtrPtr = &listPtr->next;
7305 listPtr = nextPtr;
7306 }
7307 listLock.Leave();
7308 return listPtr;
7309 }
7310
7311 /**
7312 * Remove all DCs from the DC list which are associated with
7313 * the same window as hWnd. Return the list of those
7314 * DC's to the caller (which will then probably want to
7315 * call ReleaseDC() for the returned DCs).
7316 */
7317 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7318 {
7319 listLock.Enter();
7320 DCItem **prevPtrPtr = &head;
7321 DCItem *listPtr = head;
7322 DCItem *newListPtr = NULL;
7323 BOOL ret = FALSE;
7324 while (listPtr) {
7325 DCItem *nextPtr = listPtr->next;
7326 if (listPtr->hWnd == hWnd) {
7327 *prevPtrPtr = nextPtr;
7328 listPtr->next = newListPtr;
7329 newListPtr = listPtr;
7330 } else {
7331 prevPtrPtr = &listPtr->next;
7332 }
7333 listPtr = nextPtr;
7334 }
7335 listLock.Leave();
7336 return newListPtr;
7337 }
7338
7339
7340 /**
7341 * Realize palettes of all existing HDC objects
7342 */
7343 void DCList::RealizePalettes(int screen)
7344 {
7345 listLock.Enter();
7346 DCItem *listPtr = head;
7347 while (listPtr) {
7348 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7349 listPtr = listPtr->next;
7350 }
7351 listLock.Leave();
7352 }
7353
7354 void MoveDCToPassiveList(HDC hDC, HWND hWnd) {
7355 DCItem *removedDC;
7356 if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) {
7357 passiveDCList.AddDCItem(removedDC);
7358 }
7359 }
7360
7361 void ReleaseDCList(HWND hwnd, DCList &list) {
7362 DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7363 while (removedDCs) {
7364 DCItem *tmpDCList = removedDCs;
7365 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7366 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7367 VERIFY(retValue != 0);
7368 if (retValue != 0) {
7369 // Valid ReleaseDC call; need to decrement GDI object counter
7370 AwtGDIObject::Decrement();
7371 }
7372 removedDCs = removedDCs->next;
7373 delete tmpDCList;
7374 }
7375 }
7376