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_ActionEvent.h>
64 #include <java_awt_event_InputMethodEvent.h>
65 #include <sun_awt_windows_WInputMethod.h>
66 #include <java_awt_event_MouseEvent.h>
67 #include <java_awt_event_MouseWheelEvent.h>
68
69 // Begin -- Win32 SDK include files
70 #include <imm.h>
71 #include <ime.h>
72 // End -- Win32 SDK include files
73
74 #include <awt_DnDDT.h>
75
76 LPCTSTR szAwtComponentClassName = TEXT("SunAwtComponent");
77 // register a message that no other window in the process (even in a plugin
78 // scenario) will be using
79 const UINT AwtComponent::WmAwtIsComponent =
80 ::RegisterWindowMessage(szAwtComponentClassName);
81
82 static HWND g_hwndDown = NULL;
83 static DCList activeDCList;
84 static DCList passiveDCList;
85
86 extern void CheckFontSmoothingSettings(HWND);
87
88 extern "C" {
89 // Remember the input language has changed by some user's action
90 // (Alt+Shift or through the language icon on the Taskbar) to control the
91 // race condition between the toolkit thread and the AWT event thread.
92 // This flag remains TRUE until the next WInputMethod.getNativeLocale() is
93 // issued.
94 BOOL g_bUserHasChangedInputLang = FALSE;
95 }
96
97 BOOL AwtComponent::sm_suppressFocusAndActivation = FALSE;
98 BOOL AwtComponent::sm_restoreFocusAndActivation = FALSE;
99 HWND AwtComponent::sm_focusOwner = NULL;
100 HWND AwtComponent::sm_focusedWindow = NULL;
101 BOOL AwtComponent::sm_bMenuLoop = FALSE;
102 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE;
103
104 /************************************************************************/
105 // Struct for _Reshape() and ReshapeNoCheck() methods
106 struct ReshapeStruct {
107 jobject component;
108 jint x, y;
109 jint w, h;
110 };
111 // Struct for _NativeHandleEvent() method
112 struct NativeHandleEventStruct {
113 jobject component;
114 jobject event;
115 };
116 // Struct for _SetForeground() and _SetBackground() methods
117 struct SetColorStruct {
118 jobject component;
119 jint rgb;
120 };
121 // Struct for _SetFont() method
122 struct SetFontStruct {
123 jobject component;
124 jobject font;
125 };
126 // Struct for _CreatePrintedPixels() method
127 struct CreatePrintedPixelsStruct {
128 jobject component;
129 int srcx, srcy;
130 int srcw, srch;
131 jint alpha;
132 };
133 // Struct for _SetRectangularShape() method
134 struct SetRectangularShapeStruct {
135 jobject component;
136 jint x1, x2, y1, y2;
137 jobject region;
138 };
139 // Struct for _GetInsets function
140 struct GetInsetsStruct {
141 jobject window;
142 RECT *insets;
143 };
144 // Struct for _SetZOrder function
145 struct SetZOrderStruct {
146 jobject component;
147 jlong above;
148 };
149 // Struct for _SetFocus function
150 struct SetFocusStruct {
151 jobject component;
152 jboolean doSetFocus;
153 };
154 // Struct for _SetParent function
155 struct SetParentStruct {
156 jobject component;
157 jobject parentComp;
158 };
159 /************************************************************************/
160
161 //////////////////////////////////////////////////////////////////////////
162
163 /*************************************************************************
164 * AwtComponent fields
165 */
166
167
168 jfieldID AwtComponent::peerID;
169 jfieldID AwtComponent::xID;
170 jfieldID AwtComponent::yID;
171 jfieldID AwtComponent::widthID;
172 jfieldID AwtComponent::heightID;
173 jfieldID AwtComponent::visibleID;
174 jfieldID AwtComponent::backgroundID;
175 jfieldID AwtComponent::foregroundID;
176 jfieldID AwtComponent::enabledID;
177 jfieldID AwtComponent::parentID;
178 jfieldID AwtComponent::graphicsConfigID;
179 jfieldID AwtComponent::peerGCID;
180 jfieldID AwtComponent::focusableID;
181 jfieldID AwtComponent::appContextID;
182 jfieldID AwtComponent::cursorID;
183 jfieldID AwtComponent::hwndID;
184
185 jmethodID AwtComponent::getFontMID;
186 jmethodID AwtComponent::getToolkitMID;
187 jmethodID AwtComponent::isEnabledMID;
188 jmethodID AwtComponent::getLocationOnScreenMID;
189 jmethodID AwtComponent::replaceSurfaceDataMID;
190 jmethodID AwtComponent::replaceSurfaceDataLaterMID;
191 jmethodID AwtComponent::disposeLaterMID;
192
193 HKL AwtComponent::m_hkl = ::GetKeyboardLayout(0);
194 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0));
195 UINT AwtComponent::m_CodePage
196 = AwtComponent::LangToCodePage(m_idLang);
197
198 jint *AwtComponent::masks;
199
200 static BOOL bLeftShiftIsDown = false;
201 static BOOL bRightShiftIsDown = false;
202 static UINT lastShiftKeyPressed = 0; // init to safe value
203
204 // Added by waleed to initialize the RTL Flags
205 BOOL AwtComponent::sm_rtl = PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC ||
206 PRIMARYLANGID(GetInputLanguage()) == LANG_HEBREW;
207 BOOL AwtComponent::sm_rtlReadingOrder =
208 PRIMARYLANGID(GetInputLanguage()) == LANG_ARABIC;
209
210 BOOL AwtComponent::sm_PrimaryDynamicTableBuilt = FALSE;
211
212 HWND AwtComponent::sm_cursorOn;
213 BOOL AwtComponent::m_QueryNewPaletteCalled = FALSE;
214
215 CriticalSection windowMoveLock;
216 BOOL windowMoveLockHeld = FALSE;
217
218 /************************************************************************
219 * AwtComponent methods
220 */
221
222 AwtComponent::AwtComponent()
223 {
224 m_mouseButtonClickAllowed = 0;
225 m_touchDownOccurred = FALSE;
226 m_touchUpOccurred = FALSE;
227 m_touchDownPoint.x = m_touchDownPoint.y = 0;
228 m_touchUpPoint.x = m_touchUpPoint.y = 0;
229 m_callbacksEnabled = FALSE;
230 m_hwnd = NULL;
231
232 m_colorForeground = 0;
233 m_colorBackground = 0;
234 m_backgroundColorSet = FALSE;
235 m_penForeground = NULL;
236 m_brushBackground = NULL;
237 m_DefWindowProc = NULL;
238 m_nextControlID = 1;
239 m_childList = NULL;
240 m_myControlID = 0;
241 m_hdwp = NULL;
242 m_validationNestCount = 0;
243
244 m_dropTarget = NULL;
245
246 m_InputMethod = NULL;
247 m_useNativeCompWindow = TRUE;
248 m_PendingLeadByte = 0;
249 m_bitsCandType = 0;
250
251 windowMoveLockPosX = 0;
252 windowMoveLockPosY = 0;
253 windowMoveLockPosCX = 0;
254 windowMoveLockPosCY = 0;
255
256 m_hCursorCache = NULL;
257
258 m_bSubclassed = FALSE;
259 m_bPauseDestroy = FALSE;
260
261 m_MessagesProcessing = 0;
262 m_wheelRotationAmountX = 0;
263 m_wheelRotationAmountY = 0;
264 if (!sm_PrimaryDynamicTableBuilt) {
265 // do it once.
266 AwtComponent::BuildPrimaryDynamicTable();
267 sm_PrimaryDynamicTableBuilt = TRUE;
268 }
269
270 deadKeyActive = FALSE;
271 }
272
273 AwtComponent::~AwtComponent()
274 {
275 DASSERT(AwtToolkit::IsMainThread());
276
277 /*
278 * All the messages for this component are processed, native
279 * resources are freed, and Java object is not connected to
280 * the native one anymore. So we can safely destroy component's
281 * handle.
282 */
283 DestroyHWnd();
284 }
285
286 void AwtComponent::Dispose()
287 {
288 DASSERT(AwtToolkit::IsMainThread());
289
290 // NOTE: in case the component/toplevel was focused, Java should
291 // have already taken care of proper transferring it or clearing.
292
293 if (m_hdwp != NULL) {
294 // end any deferred window positioning, regardless
295 // of m_validationNestCount
296 ::EndDeferWindowPos(m_hdwp);
297 }
298
299 // Send final message to release all DCs associated with this component
300 SendMessage(WM_AWT_RELEASE_ALL_DCS);
301
302 /* Stop message filtering. */
303 UnsubclassHWND();
304
305 /* Release global ref to input method */
306 SetInputMethod(NULL, TRUE);
307
308 if (m_childList != NULL) {
309 delete m_childList;
310 m_childList = NULL;
311 }
312
313 DestroyDropTarget();
314 ReleaseDragCapture(0);
315
316 if (m_myControlID != 0) {
317 AwtComponent* parent = GetParent();
318 if (parent != NULL)
319 parent->RemoveChild(m_myControlID);
320 }
321
322 ::RemoveProp(GetHWnd(), DrawingStateProp);
323
324 /* Release any allocated resources. */
325 if (m_penForeground != NULL) {
326 m_penForeground->Release();
327 m_penForeground = NULL;
328 }
329 if (m_brushBackground != NULL) {
330 m_brushBackground->Release();
331 m_brushBackground = NULL;
332 }
333
334 /* Disconnect all links. */
335 UnlinkObjects();
336
337 if (m_bPauseDestroy) {
338 // AwtComponent::WmNcDestroy could be released now
339 m_bPauseDestroy = FALSE;
340 m_hwnd = NULL;
341 }
342
343 // The component instance is deleted using AwtObject::Dispose() method
344 AwtObject::Dispose();
345 }
346
347 /* store component pointer in window extra bytes */
348 void AwtComponent::SetComponentInHWND() {
349 DASSERT(::GetWindowLongPtr(GetHWnd(), GWLP_USERDATA) == NULL);
350 ::SetWindowLongPtr(GetHWnd(), GWLP_USERDATA, (LONG_PTR)this);
351 }
352
353 /*
354 * static function to get AwtComponent pointer from hWnd --
355 * you don't want to call this from inside a wndproc to avoid
356 * infinite recursion
357 */
358 AwtComponent* AwtComponent::GetComponent(HWND hWnd) {
359 // Requests for Toolkit hwnd resolution happen pretty often. Check first.
360 if (hWnd == AwtToolkit::GetInstance().GetHWnd()) {
361 return NULL;
362 }
363
364 // check that it's an AWT component from the same toolkit as the caller
365 if (::IsWindow(hWnd) &&
366 AwtToolkit::MainThread() == ::GetWindowThreadProcessId(hWnd, NULL))
367 {
368 DASSERT(WmAwtIsComponent != 0);
369 if (::SendMessage(hWnd, WmAwtIsComponent, 0, 0L)) {
370 return GetComponentImpl(hWnd);
371 }
372 }
373 return NULL;
374 }
375
376 /*
377 * static function to get AwtComponent pointer from hWnd--
378 * different from GetComponent because caller knows the
379 * hwnd is an AWT component hwnd
380 */
381 AwtComponent* AwtComponent::GetComponentImpl(HWND hWnd) {
382 AwtComponent *component =
383 (AwtComponent *)::GetWindowLongPtr(hWnd, GWLP_USERDATA);
384 DASSERT(!component || !IsBadReadPtr(component, sizeof(AwtComponent)) );
385 DASSERT(!component || component->GetHWnd() == hWnd );
386 return component;
387 }
388
389 /*
390 * Single window proc for all the components. Delegates real work to
391 * the component's WindowProc() member function.
392 */
393 LRESULT CALLBACK AwtComponent::WndProc(HWND hWnd, UINT message,
394 WPARAM wParam, LPARAM lParam)
395 {
396 TRY;
397
398 AwtComponent * self = AwtComponent::GetComponentImpl(hWnd);
399 if (self == NULL || self->GetHWnd() != hWnd ||
400 message == WM_UNDOCUMENTED_CLIENTSHUTDOWN) // handle log-off gracefully
401 {
402 return ComCtl32Util::GetInstance().DefWindowProc(NULL, hWnd, message, wParam, lParam);
403 } else {
404 return self->WindowProc(message, wParam, lParam);
405 }
406
407 CATCH_BAD_ALLOC_RET(0);
408 }
409
410 BOOL AwtComponent::IsFocusable() {
411 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
412 jobject peer = GetPeer(env);
413 jobject target = env->GetObjectField(peer, AwtObject::targetID);
414 BOOL res = env->GetBooleanField(target, focusableID);
415 AwtWindow *pCont = GetContainer();
416 if (pCont) {
417 res &= pCont->IsFocusableWindow();
418 }
419 env->DeleteLocalRef(target);
420 return res;
421 }
422
423 /************************************************************************
424 * AwtComponent dynamic methods
425 *
426 * Window class registration routines
427 */
428
429 /*
430 * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon
431 */
432 void AwtComponent::FillClassInfo(WNDCLASSEX *lpwc)
433 {
434 lpwc->cbSize = sizeof(WNDCLASSEX);
435 lpwc->style = 0L;//CS_OWNDC;
436 lpwc->lpfnWndProc = (WNDPROC)::DefWindowProc;
437 lpwc->cbClsExtra = 0;
438 lpwc->cbWndExtra = 0;
439 lpwc->hInstance = AwtToolkit::GetInstance().GetModuleHandle(),
440 lpwc->hIcon = AwtToolkit::GetInstance().GetAwtIcon();
441 lpwc->hCursor = NULL;
442 lpwc->hbrBackground = NULL;
443 lpwc->lpszMenuName = NULL;
444 lpwc->lpszClassName = GetClassName();
445 //Fixed 6233560: PIT: Java Cup Logo on the title bar of top-level windows look blurred, Win32
446 lpwc->hIconSm = AwtToolkit::GetInstance().GetAwtIconSm();
447 }
448
449 void AwtComponent::RegisterClass()
450 {
451 WNDCLASSEX wc;
452 if (!::GetClassInfoEx(AwtToolkit::GetInstance().GetModuleHandle(), GetClassName(), &wc)) {
453 FillClassInfo(&wc);
454 ATOM ret = ::RegisterClassEx(&wc);
455 DASSERT(ret != 0);
456 }
457 }
458
459 void AwtComponent::UnregisterClass()
460 {
461 ::UnregisterClass(GetClassName(), AwtToolkit::GetInstance().GetModuleHandle());
462 }
463
464 /*
465 * Copy the graphicsConfig reference from Component into WComponentPeer
466 */
467 void AwtComponent::InitPeerGraphicsConfig(JNIEnv *env, jobject peer)
468 {
469 jobject target = env->GetObjectField(peer, AwtObject::targetID);
470 //Get graphicsConfig object ref from Component
471 jobject compGC = env->GetObjectField(target,
472 AwtComponent::graphicsConfigID);
473
474 //Set peer's graphicsConfig to Component's graphicsConfig
475 if (compGC != NULL) {
476 jclass win32GCCls = env->FindClass("sun/awt/Win32GraphicsConfig");
477 DASSERT(win32GCCls != NULL);
478 DASSERT(env->IsInstanceOf(compGC, win32GCCls));
479 if (win32GCCls == NULL) {
480 throw std::bad_alloc();
481 }
482 env->SetObjectField(peer, AwtComponent::peerGCID, compGC);
483 }
484 }
485
486 void
487 AwtComponent::CreateHWnd(JNIEnv *env, LPCWSTR title,
488 DWORD windowStyle,
489 DWORD windowExStyle,
490 int x, int y, int w, int h,
491 HWND hWndParent, HMENU hMenu,
492 COLORREF colorForeground,
493 COLORREF colorBackground,
494 jobject peer)
495 {
496 if (env->EnsureLocalCapacity(2) < 0) {
497 return;
498 }
499
500 /*
501 * The window class of multifont label must be "BUTTON" because
502 * "STATIC" class can't get WM_DRAWITEM message, and m_peerObject
503 * member is referred in the GetClassName method of AwtLabel class.
504 * So m_peerObject member must be set here.
505 */
506 if (m_peerObject == NULL) {
507 m_peerObject = env->NewGlobalRef(peer);
508 } else {
509 assert(env->IsSameObject(m_peerObject, peer));
510 }
511
512 RegisterClass();
513
514 jobject target = env->GetObjectField(peer, AwtObject::targetID);
515 jboolean visible = env->GetBooleanField(target, AwtComponent::visibleID);
516 m_visible = visible;
517
518 if (visible) {
519 windowStyle |= WS_VISIBLE;
520 } else {
521 windowStyle &= ~WS_VISIBLE;
522 }
523
524 InitPeerGraphicsConfig(env, peer);
525
526 SetLastError(0);
527 HWND hwnd = ::CreateWindowEx(windowExStyle,
528 GetClassName(),
529 title,
530 windowStyle,
531 x, y, w, h,
532 hWndParent,
533 hMenu,
534 AwtToolkit::GetInstance().GetModuleHandle(),
535 NULL);
536
537 // fix for 5088782
538 // check if CreateWindowsEx() returns not null value and if it does -
539 // create an InternalError or OutOfMemoryError based on GetLastError().
540 // This error is set to createError field of WObjectPeer and then
541 // checked and thrown in WComponentPeer constructor. We can't throw an
542 // error here because this code is invoked on Toolkit thread
543 if (hwnd == NULL)
544 {
545 DWORD dw = ::GetLastError();
546 jobject createError = NULL;
547 if (dw == ERROR_OUTOFMEMORY)
548 {
549 jstring errorMsg = JNU_NewStringPlatform(env, L"too many window handles");
550 if (errorMsg == NULL || env->ExceptionCheck()) {
551 env->ExceptionClear();
552 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError", "()V");
553 } else {
554 createError = JNU_NewObjectByName(env, "java/lang/OutOfMemoryError",
555 "(Ljava/lang/String;)V",
556 errorMsg);
557 env->DeleteLocalRef(errorMsg);
558 }
559 }
560 else
561 {
562 TCHAR *buf;
563 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
564 NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
565 (LPTSTR)&buf, 0, NULL);
566 jstring s = JNU_NewStringPlatform(env, buf);
567 if (s == NULL || env->ExceptionCheck()) {
568 env->ExceptionClear();
569 createError = JNU_NewObjectByName(env, "java/lang/InternalError", "()V");
570 } else {
571 createError = JNU_NewObjectByName(env, "java/lang/InternalError",
572 "(Ljava/lang/String;)V", s);
573 env->DeleteLocalRef(s);
574 }
575 LocalFree(buf);
576 }
577 if (createError != NULL) {
578 env->SetObjectField(peer, AwtObject::createErrorID, createError);
579 env->DeleteLocalRef(createError);
580 }
581 env->DeleteLocalRef(target);
582 return;
583 }
584
585 m_hwnd = hwnd;
586
587 ::ImmAssociateContext(m_hwnd, NULL);
588
589 SetDrawState((jint)JAWT_LOCK_SURFACE_CHANGED |
590 (jint)JAWT_LOCK_BOUNDS_CHANGED |
591 (jint)JAWT_LOCK_CLIP_CHANGED);
592
593 LinkObjects(env, peer);
594
595 /* Subclass the window now so that we can snoop on its messages */
596 SubclassHWND();
597
598 AwtToolkit& tk = AwtToolkit::GetInstance();
599 if (tk.IsWin8OrLater() && tk.IsTouchKeyboardAutoShowEnabled()) {
600 tk.TIRegisterTouchWindow(GetHWnd(), TWF_WANTPALM);
601 }
602
603 /*
604 * Fix for 4046446.
605 */
606 SetWindowPos(GetHWnd(), 0, x, y, w, h, SWP_NOZORDER | SWP_NOCOPYBITS | SWP_NOACTIVATE);
607
608 /* Set default colors. */
609 m_colorForeground = colorForeground;
610 m_colorBackground = colorBackground;
611
612 /*
613 * Only set background color if the color is actually set on the
614 * target -- this avoids inheriting a parent's color unnecessarily,
615 * and has to be done here because there isn't an API to get the
616 * real background color from outside the AWT package.
617 */
618 jobject bkgrd = env->GetObjectField(target, AwtComponent::backgroundID) ;
619 if (bkgrd != NULL) {
620 JNU_CallMethodByName(env, NULL, peer, "setBackground",
621 "(Ljava/awt/Color;)V", bkgrd);
622 DASSERT(!safe_ExceptionOccurred(env));
623 }
624 env->DeleteLocalRef(target);
625 env->DeleteLocalRef(bkgrd);
626 }
627
628 /*
629 * Destroy this window's HWND
630 */
631 void AwtComponent::DestroyHWnd() {
632 if (m_hwnd != NULL) {
633 AwtToolkit::DestroyComponentHWND(m_hwnd);
634 //AwtToolkit::DestroyComponent(this);
635 m_hwnd = NULL;
636 }
637 }
638
639 /*
640 * Returns hwnd for target on non Toolkit thread
641 */
642 HWND
643 AwtComponent::GetHWnd(JNIEnv* env, jobject target) {
644 if (JNU_IsNull(env, target)) {
645 return 0;
646 }
647 jobject peer = env->GetObjectField(target, AwtComponent::peerID);
648 if (JNU_IsNull(env, peer)) {
649 return 0;
650 }
651 HWND hwnd = reinterpret_cast<HWND>(static_cast<LONG_PTR> (
652 env->GetLongField(peer, AwtComponent::hwndID)));
653 env->DeleteLocalRef(peer);
654 return hwnd;
655 }
656 //
657 // Propagate the background color to synchronize Java field and peer's field.
658 // This is needed to fix 4148334
659 //
660 void AwtComponent::UpdateBackground(JNIEnv *env, jobject target)
661 {
662 if (env->EnsureLocalCapacity(1) < 0) {
663 return;
664 }
665
666 jobject bkgrnd = env->GetObjectField(target, AwtComponent::backgroundID);
667
668 if (bkgrnd == NULL) {
669 bkgrnd = JNU_NewObjectByName(env, "java/awt/Color", "(III)V",
670 GetRValue(m_colorBackground),
671 GetGValue(m_colorBackground),
672 GetBValue(m_colorBackground));
673 if (bkgrnd != NULL) {
674 env->SetObjectField(target, AwtComponent::backgroundID, bkgrnd);
675 }
676 }
677 env->DeleteLocalRef(bkgrnd);
678 }
679
680 /*
681 * Install our window proc as the proc for our HWND, and save off the
682 * previous proc as the default
683 */
684 void AwtComponent::SubclassHWND()
685 {
686 if (m_bSubclassed) {
687 return;
688 }
689 const WNDPROC wndproc = WndProc; // let compiler type check WndProc
690 m_DefWindowProc = ComCtl32Util::GetInstance().SubclassHWND(GetHWnd(), wndproc);
691 m_bSubclassed = TRUE;
692 }
693
694 /*
695 * Reinstall the original window proc as the proc for our HWND
696 */
697 void AwtComponent::UnsubclassHWND()
698 {
699 if (!m_bSubclassed) {
700 return;
701 }
702 ComCtl32Util::GetInstance().UnsubclassHWND(GetHWnd(), WndProc, m_DefWindowProc);
703 m_bSubclassed = FALSE;
704 }
705
706 /////////////////////////////////////
707 // (static method)
708 // Determines the top-level ancestor for a given window. If the given
709 // window is a top-level window, return itself.
710 //
711 // 'Top-level' includes dialogs as well.
712 //
713 HWND AwtComponent::GetTopLevelParentForWindow(HWND hwndDescendant) {
714 if (hwndDescendant == NULL) {
715 return NULL;
716 }
717
718 DASSERT(IsWindow(hwndDescendant));
719 HWND hwnd = hwndDescendant;
720 for(;;) {
721 DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
722 // a) found a non-child window so terminate
723 // b) found real toplevel window (e.g. EmbeddedFrame
724 // that is child though)
725 if ( (style & WS_CHILD) == 0 ||
726 AwtComponent::IsTopLevelHWnd(hwnd) )
727 {
728 break;
729 }
730 hwnd = ::GetParent(hwnd);
731 }
732
733 return hwnd;
734 }
735 ////////////////////
736
737 jobject AwtComponent::FindHeavyweightUnderCursor(BOOL useCache) {
738 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
739 if (env->EnsureLocalCapacity(1) < 0) {
740 return NULL;
741 }
742
743 HWND hit = NULL;
744 POINT p = { 0, 0 };
745 AwtComponent *comp = NULL;
746
747 if (useCache) {
748 if (sm_cursorOn == NULL) {
749 return NULL;
750 }
751
752
753 DASSERT(::IsWindow(sm_cursorOn));
754 VERIFY(::GetCursorPos(&p));
755 /*
756 * Fix for BugTraq ID 4304024.
757 * Allow a non-default cursor only for the client area.
758 */
759 comp = AwtComponent::GetComponent(sm_cursorOn);
760 if (comp != NULL &&
761 ::SendMessage(sm_cursorOn, WM_NCHITTEST, 0,
762 MAKELPARAM(p.x, p.y)) == HTCLIENT) {
763 goto found;
764 }
765 }
766
767 ::GetCursorPos(&p);
768 hit = ::WindowFromPoint(p);
769 while (hit != NULL) {
770 comp = AwtComponent::GetComponent(hit);
771
772 if (comp != NULL) {
773 INT nHittest = (INT)::SendMessage(hit, WM_NCHITTEST,
774 0, MAKELPARAM(p.x, p.y));
775 /*
776 * Fix for BugTraq ID 4304024.
777 * Allow a non-default cursor only for the client area.
778 */
779 if (nHittest != HTCLIENT) {
780 /*
781 * When over the non-client area, send WM_SETCURSOR
782 * to revert the cursor to an arrow.
783 */
784 ::SendMessage(hit, WM_SETCURSOR, (WPARAM)hit,
785 MAKELPARAM(nHittest, WM_MOUSEMOVE));
786 return NULL;
787 } else {
788 sm_cursorOn = hit;
789 goto found;
790 }
791 }
792
793 if ((::GetWindowLong(hit, GWL_STYLE) & WS_CHILD) == 0) {
794 return NULL;
795 }
796 hit = ::GetParent(hit);
797 }
798
799 return NULL;
800
801 found:
802 jobject localRef = comp->GetTarget(env);
803 jobject globalRef = env->NewGlobalRef(localRef);
804 env->DeleteLocalRef(localRef);
805 return globalRef;
806 }
807
808 void AwtComponent::SetColor(COLORREF c)
809 {
810 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
811 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
812 if (grayscale != GS_NOTGRAY) {
813 int g;
814
815 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
816 .114 * ((c >> 16) & 0xFF) + 0.5);
817 // c = g | (g << 8) | (g << 16);
818 c = PALETTERGB(g, g, g);
819 }
820
821 if (m_colorForeground == c) {
822 return;
823 }
824
825 m_colorForeground = c;
826 if (m_penForeground != NULL) {
827 m_penForeground->Release();
828 m_penForeground = NULL;
829 }
830 VERIFY(::InvalidateRect(GetHWnd(), NULL, FALSE));
831 }
832
833 void AwtComponent::SetBackgroundColor(COLORREF c)
834 {
835 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
836 int grayscale = AwtWin32GraphicsDevice::GetGrayness(screen);
837 if (grayscale != GS_NOTGRAY) {
838 int g;
839
840 g = (int) (.299 * (c & 0xFF) + .587 * ((c >> 8) & 0xFF) +
841 .114 * ((c >> 16) & 0xFF) + 0.5);
842 // c = g | (g << 8) | (g << 16);
843 c = PALETTERGB(g, g, g);
844 }
845
846 if (m_colorBackground == c) {
847 return;
848 }
849 m_colorBackground = c;
850 m_backgroundColorSet = TRUE;
851 if (m_brushBackground != NULL) {
852 m_brushBackground->Release();
853 m_brushBackground = NULL;
854 }
855 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
856 }
857
858 HPEN AwtComponent::GetForegroundPen()
859 {
860 if (m_penForeground == NULL) {
861 m_penForeground = AwtPen::Get(m_colorForeground);
862 }
863 return (HPEN)m_penForeground->GetHandle();
864 }
865
866 COLORREF AwtComponent::GetBackgroundColor()
867 {
868 if (m_backgroundColorSet == FALSE) {
869 AwtComponent* c = this;
870 while ((c = c->GetParent()) != NULL) {
871 if (c->IsBackgroundColorSet()) {
872 return c->GetBackgroundColor();
873 }
874 }
875 }
876 return m_colorBackground;
877 }
878
879 HBRUSH AwtComponent::GetBackgroundBrush()
880 {
881 if (m_backgroundColorSet == FALSE) {
882 if (m_brushBackground != NULL) {
883 m_brushBackground->Release();
884 m_brushBackground = NULL;
885 }
886 AwtComponent* c = this;
887 while ((c = c->GetParent()) != NULL) {
888 if (c->IsBackgroundColorSet()) {
889 m_brushBackground =
890 AwtBrush::Get(c->GetBackgroundColor());
891 break;
892 }
893 }
894 }
895 if (m_brushBackground == NULL) {
896 m_brushBackground = AwtBrush::Get(m_colorBackground);
897 }
898 return (HBRUSH)m_brushBackground->GetHandle();
899 }
900
901 void AwtComponent::SetFont(AwtFont* font)
902 {
903 DASSERT(font != NULL);
904 if (font->GetAscent() < 0) {
905 AwtFont::SetupAscent(font);
906 }
907 SendMessage(WM_SETFONT, (WPARAM)font->GetHFont(), MAKELPARAM(FALSE, 0));
908 VERIFY(::InvalidateRect(GetHWnd(), NULL, TRUE));
909 }
910
911 AwtComponent* AwtComponent::GetParent()
912 {
913 HWND hwnd = ::GetParent(GetHWnd());
914 if (hwnd == NULL) {
915 return NULL;
916 }
917 return GetComponent(hwnd);
918 }
919
920 AwtWindow* AwtComponent::GetContainer()
921 {
922 AwtComponent* comp = this;
923 while (comp != NULL) {
924 if (comp->IsContainer()) {
925 return (AwtWindow*)comp;
926 }
927 comp = comp->GetParent();
928 }
929 return NULL;
930 }
931
932 void AwtComponent::Show()
933 {
934 m_visible = true;
935 ::ShowWindow(GetHWnd(), SW_SHOWNA);
936 }
937
938 void AwtComponent::Hide()
939 {
940 m_visible = false;
941 ::ShowWindow(GetHWnd(), SW_HIDE);
942 }
943
944 BOOL
945 AwtComponent::SetWindowPos(HWND wnd, HWND after,
946 int x, int y, int w, int h, UINT flags)
947 {
948 // Conditions we shouldn't handle:
949 // z-order changes, correct window dimensions
950 if (after != NULL || (w < 32767 && h < 32767)
951 || ((::GetWindowLong(wnd, GWL_STYLE) & WS_CHILD) == 0))
952 {
953 return ::SetWindowPos(wnd, after, x, y, w, h, flags);
954 }
955 WINDOWPLACEMENT wp;
956 ::ZeroMemory(&wp, sizeof(wp));
957
958 wp.length = sizeof(wp);
959 ::GetWindowPlacement(wnd, &wp);
960 wp.rcNormalPosition.left = x;
961 wp.rcNormalPosition.top = y;
962 wp.rcNormalPosition.right = x + w;
963 wp.rcNormalPosition.bottom = y + h;
964 if ( flags & SWP_NOACTIVATE ) {
965 wp.showCmd = SW_SHOWNOACTIVATE;
966 }
967 ::SetWindowPlacement(wnd, &wp);
968 return 1;
969 }
970
971 void AwtComponent::Reshape(int x, int y, int w, int h) {
972 ReshapeNoScale(ScaleUpX(x), ScaleUpY(y), ScaleUpX(w), ScaleUpY(h));
973 }
974
975 void AwtComponent::ReshapeNoScale(int x, int y, int w, int h)
976 {
977 #if defined(DEBUG)
978 RECT rc;
979 ::GetWindowRect(GetHWnd(), &rc);
980 ::MapWindowPoints(HWND_DESKTOP, ::GetParent(GetHWnd()), (LPPOINT)&rc, 2);
981 DTRACE_PRINTLN4("AwtComponent::Reshape from %d, %d, %d, %d", rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top);
982 #endif
983
984 AwtWindow* container = GetContainer();
985 AwtComponent* parent = GetParent();
986 if (container != NULL && container == parent) {
987 container->SubtractInsetPoint(x, y);
988 }
989 DTRACE_PRINTLN4("AwtComponent::Reshape to %d, %d, %d, %d", x, y, w, h);
990 UINT flags = SWP_NOACTIVATE | SWP_NOZORDER;
991
992 RECT r;
993
994 ::GetWindowRect(GetHWnd(), &r);
995 // if the component size is changing , don't copy window bits
996 if (r.right - r.left != w || r.bottom - r.top != h) {
997 flags |= SWP_NOCOPYBITS;
998 }
999
1000 if (parent && _tcscmp(parent->GetClassName(), TEXT("SunAwtScrollPane")) == 0) {
1001 if (x > 0) {
1002 x = 0;
1003 }
1004 if (y > 0) {
1005 y = 0;
1006 }
1007 }
1008 if (m_hdwp != NULL) {
1009 m_hdwp = ::DeferWindowPos(m_hdwp, GetHWnd(), 0, x, y, w, h, flags);
1010 DASSERT(m_hdwp != NULL);
1011 } else {
1012 /*
1013 * Fox for 4046446
1014 * If window has dimensions above the short int limit, ::SetWindowPos doesn't work.
1015 * We should use SetWindowPlacement instead.
1016 */
1017 SetWindowPos(GetHWnd(), 0, x, y, w, h, flags);
1018 }
1019 }
1020
1021 void AwtComponent::SetScrollValues(UINT bar, int min, int value, int max)
1022 {
1023 int minTmp, maxTmp;
1024
1025 ::GetScrollRange(GetHWnd(), bar, &minTmp, &maxTmp);
1026 if (min == INT_MAX) {
1027 min = minTmp;
1028 }
1029 if (value == INT_MAX) {
1030 value = ::GetScrollPos(GetHWnd(), bar);
1031 }
1032 if (max == INT_MAX) {
1033 max = maxTmp;
1034 }
1035 if (min == max) {
1036 max++;
1037 }
1038 ::SetScrollRange(GetHWnd(), bar, min, max, FALSE);
1039 ::SetScrollPos(GetHWnd(), bar, value, TRUE);
1040 }
1041
1042 /*
1043 * Save Global Reference of sun.awt.windows.WInputMethod object
1044 */
1045 void AwtComponent::SetInputMethod(jobject im, BOOL useNativeCompWindow)
1046 {
1047 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1048
1049 if (m_InputMethod!=NULL)
1050 env->DeleteGlobalRef(m_InputMethod);
1051
1052 if (im!=NULL){
1053 m_InputMethod = env->NewGlobalRef(im);
1054 m_useNativeCompWindow = useNativeCompWindow;
1055 } else {
1056 m_InputMethod = NULL;
1057 m_useNativeCompWindow = TRUE;
1058 }
1059
1060 }
1061
1062 /*
1063 * Opportunity to process and/or eat a message before it is dispatched
1064 */
1065 MsgRouting AwtComponent::PreProcessMsg(MSG& msg)
1066 {
1067 return mrPassAlong;
1068 }
1069
1070 static UINT lastMessage = WM_NULL;
1071
1072 #ifndef SPY_MESSAGES
1073 #define SpyWinMessage(hwin,msg,str)
1074 #else
1075
1076 #define FMT_MSG(x,y) case x: _stprintf(szBuf, \
1077 "0x%8.8x(%s):%s\n", hwnd, szComment, y); break;
1078 #define WIN_MSG(x) FMT_MSG(x,#x)
1079
1080 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) {
1081
1082 TCHAR szBuf[256];
1083
1084 switch (message) {
1085 WIN_MSG(WM_NULL)
1086 WIN_MSG(WM_CREATE)
1087 WIN_MSG(WM_DESTROY)
1088 WIN_MSG(WM_MOVE)
1089 WIN_MSG(WM_SIZE)
1090 WIN_MSG(WM_ACTIVATE)
1091 WIN_MSG(WM_SETFOCUS)
1092 WIN_MSG(WM_KILLFOCUS)
1093 WIN_MSG(WM_ENABLE)
1094 WIN_MSG(WM_SETREDRAW)
1095 WIN_MSG(WM_SETTEXT)
1096 WIN_MSG(WM_GETTEXT)
1097 WIN_MSG(WM_GETTEXTLENGTH)
1098 WIN_MSG(WM_PAINT)
1099 WIN_MSG(WM_CLOSE)
1100 WIN_MSG(WM_QUERYENDSESSION)
1101 WIN_MSG(WM_QUIT)
1102 WIN_MSG(WM_QUERYOPEN)
1103 WIN_MSG(WM_ERASEBKGND)
1104 WIN_MSG(WM_SYSCOLORCHANGE)
1105 WIN_MSG(WM_ENDSESSION)
1106 WIN_MSG(WM_SHOWWINDOW)
1107 FMT_MSG(WM_WININICHANGE,"WM_WININICHANGE/WM_SETTINGCHANGE")
1108 WIN_MSG(WM_DEVMODECHANGE)
1109 WIN_MSG(WM_ACTIVATEAPP)
1110 WIN_MSG(WM_FONTCHANGE)
1111 WIN_MSG(WM_TIMECHANGE)
1112 WIN_MSG(WM_CANCELMODE)
1113 WIN_MSG(WM_SETCURSOR)
1114 WIN_MSG(WM_MOUSEACTIVATE)
1115 WIN_MSG(WM_CHILDACTIVATE)
1116 WIN_MSG(WM_QUEUESYNC)
1117 WIN_MSG(WM_GETMINMAXINFO)
1118 WIN_MSG(WM_PAINTICON)
1119 WIN_MSG(WM_ICONERASEBKGND)
1120 WIN_MSG(WM_NEXTDLGCTL)
1121 WIN_MSG(WM_SPOOLERSTATUS)
1122 WIN_MSG(WM_DRAWITEM)
1123 WIN_MSG(WM_MEASUREITEM)
1124 WIN_MSG(WM_DELETEITEM)
1125 WIN_MSG(WM_VKEYTOITEM)
1126 WIN_MSG(WM_CHARTOITEM)
1127 WIN_MSG(WM_SETFONT)
1128 WIN_MSG(WM_GETFONT)
1129 WIN_MSG(WM_SETHOTKEY)
1130 WIN_MSG(WM_GETHOTKEY)
1131 WIN_MSG(WM_QUERYDRAGICON)
1132 WIN_MSG(WM_COMPAREITEM)
1133 FMT_MSG(0x003D, "WM_GETOBJECT")
1134 WIN_MSG(WM_COMPACTING)
1135 WIN_MSG(WM_COMMNOTIFY)
1136 WIN_MSG(WM_WINDOWPOSCHANGING)
1137 WIN_MSG(WM_WINDOWPOSCHANGED)
1138 WIN_MSG(WM_POWER)
1139 WIN_MSG(WM_COPYDATA)
1140 WIN_MSG(WM_CANCELJOURNAL)
1141 WIN_MSG(WM_NOTIFY)
1142 WIN_MSG(WM_INPUTLANGCHANGEREQUEST)
1143 WIN_MSG(WM_INPUTLANGCHANGE)
1144 WIN_MSG(WM_TCARD)
1145 WIN_MSG(WM_HELP)
1146 WIN_MSG(WM_USERCHANGED)
1147 WIN_MSG(WM_NOTIFYFORMAT)
1148 WIN_MSG(WM_CONTEXTMENU)
1149 WIN_MSG(WM_STYLECHANGING)
1150 WIN_MSG(WM_STYLECHANGED)
1151 WIN_MSG(WM_DISPLAYCHANGE)
1152 WIN_MSG(WM_GETICON)
1153 WIN_MSG(WM_SETICON)
1154 WIN_MSG(WM_NCCREATE)
1155 WIN_MSG(WM_NCDESTROY)
1156 WIN_MSG(WM_NCCALCSIZE)
1157 WIN_MSG(WM_NCHITTEST)
1158 WIN_MSG(WM_NCPAINT)
1159 WIN_MSG(WM_NCACTIVATE)
1160 WIN_MSG(WM_GETDLGCODE)
1161 WIN_MSG(WM_SYNCPAINT)
1162 WIN_MSG(WM_NCMOUSEMOVE)
1163 WIN_MSG(WM_NCLBUTTONDOWN)
1164 WIN_MSG(WM_NCLBUTTONUP)
1165 WIN_MSG(WM_NCLBUTTONDBLCLK)
1166 WIN_MSG(WM_NCRBUTTONDOWN)
1167 WIN_MSG(WM_NCRBUTTONUP)
1168 WIN_MSG(WM_NCRBUTTONDBLCLK)
1169 WIN_MSG(WM_NCMBUTTONDOWN)
1170 WIN_MSG(WM_NCMBUTTONUP)
1171 WIN_MSG(WM_NCMBUTTONDBLCLK)
1172 WIN_MSG(WM_KEYDOWN)
1173 WIN_MSG(WM_KEYUP)
1174 WIN_MSG(WM_CHAR)
1175 WIN_MSG(WM_DEADCHAR)
1176 WIN_MSG(WM_SYSKEYDOWN)
1177 WIN_MSG(WM_SYSKEYUP)
1178 WIN_MSG(WM_SYSCHAR)
1179 WIN_MSG(WM_SYSDEADCHAR)
1180 WIN_MSG(WM_IME_STARTCOMPOSITION)
1181 WIN_MSG(WM_IME_ENDCOMPOSITION)
1182 WIN_MSG(WM_IME_COMPOSITION)
1183 WIN_MSG(WM_INITDIALOG)
1184 WIN_MSG(WM_COMMAND)
1185 WIN_MSG(WM_SYSCOMMAND)
1186 WIN_MSG(WM_TIMER)
1187 WIN_MSG(WM_HSCROLL)
1188 WIN_MSG(WM_VSCROLL)
1189 WIN_MSG(WM_INITMENU)
1190 WIN_MSG(WM_INITMENUPOPUP)
1191 WIN_MSG(WM_MENUSELECT)
1192 WIN_MSG(WM_MENUCHAR)
1193 WIN_MSG(WM_ENTERIDLE)
1194 FMT_MSG(0x0122, "WM_MENURBUTTONUP")
1195 FMT_MSG(0x0123, "WM_MENUDRAG")
1196 FMT_MSG(0x0124, "WM_MENUGETOBJECT")
1197 FMT_MSG(0x0125, "WM_UNINITMENUPOPUP")
1198 FMT_MSG(0x0126, "WM_MENUCOMMAND")
1199 WIN_MSG(WM_CTLCOLORMSGBOX)
1200 WIN_MSG(WM_CTLCOLOREDIT)
1201 WIN_MSG(WM_CTLCOLORLISTBOX)
1202 WIN_MSG(WM_CTLCOLORBTN)
1203 WIN_MSG(WM_CTLCOLORDLG)
1204 WIN_MSG(WM_CTLCOLORSCROLLBAR)
1205 WIN_MSG(WM_CTLCOLORSTATIC)
1206 WIN_MSG(WM_MOUSEMOVE)
1207 WIN_MSG(WM_LBUTTONDOWN)
1208 WIN_MSG(WM_LBUTTONUP)
1209 WIN_MSG(WM_LBUTTONDBLCLK)
1210 WIN_MSG(WM_RBUTTONDOWN)
1211 WIN_MSG(WM_RBUTTONUP)
1212 WIN_MSG(WM_RBUTTONDBLCLK)
1213 WIN_MSG(WM_MBUTTONDOWN)
1214 WIN_MSG(WM_MBUTTONUP)
1215 WIN_MSG(WM_MBUTTONDBLCLK)
1216 WIN_MSG(WM_XBUTTONDBLCLK)
1217 WIN_MSG(WM_XBUTTONDOWN)
1218 WIN_MSG(WM_XBUTTONUP)
1219 WIN_MSG(WM_MOUSEWHEEL)
1220 WIN_MSG(WM_MOUSEHWHEEL)
1221 WIN_MSG(WM_PARENTNOTIFY)
1222 WIN_MSG(WM_ENTERMENULOOP)
1223 WIN_MSG(WM_EXITMENULOOP)
1224 WIN_MSG(WM_NEXTMENU)
1225 WIN_MSG(WM_SIZING)
1226 WIN_MSG(WM_CAPTURECHANGED)
1227 WIN_MSG(WM_MOVING)
1228 WIN_MSG(WM_POWERBROADCAST)
1229 WIN_MSG(WM_DEVICECHANGE)
1230 WIN_MSG(WM_MDICREATE)
1231 WIN_MSG(WM_MDIDESTROY)
1232 WIN_MSG(WM_MDIACTIVATE)
1233 WIN_MSG(WM_MDIRESTORE)
1234 WIN_MSG(WM_MDINEXT)
1235 WIN_MSG(WM_MDIMAXIMIZE)
1236 WIN_MSG(WM_MDITILE)
1237 WIN_MSG(WM_MDICASCADE)
1238 WIN_MSG(WM_MDIICONARRANGE)
1239 WIN_MSG(WM_MDIGETACTIVE)
1240 WIN_MSG(WM_MDISETMENU)
1241 WIN_MSG(WM_ENTERSIZEMOVE)
1242 WIN_MSG(WM_EXITSIZEMOVE)
1243 WIN_MSG(WM_DROPFILES)
1244 WIN_MSG(WM_MDIREFRESHMENU)
1245 WIN_MSG(WM_IME_SETCONTEXT)
1246 WIN_MSG(WM_IME_NOTIFY)
1247 WIN_MSG(WM_IME_CONTROL)
1248 WIN_MSG(WM_IME_COMPOSITIONFULL)
1249 WIN_MSG(WM_IME_SELECT)
1250 WIN_MSG(WM_IME_CHAR)
1251 FMT_MSG(WM_IME_REQUEST)
1252 WIN_MSG(WM_IME_KEYDOWN)
1253 WIN_MSG(WM_IME_KEYUP)
1254 FMT_MSG(0x02A1, "WM_MOUSEHOVER")
1255 FMT_MSG(0x02A3, "WM_MOUSELEAVE")
1256 WIN_MSG(WM_CUT)
1257 WIN_MSG(WM_COPY)
1258 WIN_MSG(WM_PASTE)
1259 WIN_MSG(WM_CLEAR)
1260 WIN_MSG(WM_UNDO)
1261 WIN_MSG(WM_RENDERFORMAT)
1262 WIN_MSG(WM_RENDERALLFORMATS)
1263 WIN_MSG(WM_DESTROYCLIPBOARD)
1264 WIN_MSG(WM_DRAWCLIPBOARD)
1265 WIN_MSG(WM_PAINTCLIPBOARD)
1266 WIN_MSG(WM_VSCROLLCLIPBOARD)
1267 WIN_MSG(WM_SIZECLIPBOARD)
1268 WIN_MSG(WM_ASKCBFORMATNAME)
1269 WIN_MSG(WM_CHANGECBCHAIN)
1270 WIN_MSG(WM_HSCROLLCLIPBOARD)
1271 WIN_MSG(WM_QUERYNEWPALETTE)
1272 WIN_MSG(WM_PALETTEISCHANGING)
1273 WIN_MSG(WM_PALETTECHANGED)
1274 WIN_MSG(WM_HOTKEY)
1275 WIN_MSG(WM_PRINT)
1276 WIN_MSG(WM_PRINTCLIENT)
1277 WIN_MSG(WM_HANDHELDFIRST)
1278 WIN_MSG(WM_HANDHELDLAST)
1279 WIN_MSG(WM_AFXFIRST)
1280 WIN_MSG(WM_AFXLAST)
1281 WIN_MSG(WM_PENWINFIRST)
1282 WIN_MSG(WM_PENWINLAST)
1283 WIN_MSG(WM_AWT_COMPONENT_CREATE)
1284 WIN_MSG(WM_AWT_DESTROY_WINDOW)
1285 WIN_MSG(WM_AWT_MOUSEENTER)
1286 WIN_MSG(WM_AWT_MOUSEEXIT)
1287 WIN_MSG(WM_AWT_COMPONENT_SHOW)
1288 WIN_MSG(WM_AWT_COMPONENT_HIDE)
1289 WIN_MSG(WM_AWT_COMPONENT_SETFOCUS)
1290 WIN_MSG(WM_AWT_WINDOW_SETACTIVE)
1291 WIN_MSG(WM_AWT_LIST_SETMULTISELECT)
1292 WIN_MSG(WM_AWT_HANDLE_EVENT)
1293 WIN_MSG(WM_AWT_PRINT_COMPONENT)
1294 WIN_MSG(WM_AWT_RESHAPE_COMPONENT)
1295 WIN_MSG(WM_AWT_SETALWAYSONTOP)
1296 WIN_MSG(WM_AWT_BEGIN_VALIDATE)
1297 WIN_MSG(WM_AWT_END_VALIDATE)
1298 WIN_MSG(WM_AWT_FORWARD_CHAR)
1299 WIN_MSG(WM_AWT_FORWARD_BYTE)
1300 WIN_MSG(WM_AWT_SET_SCROLL_INFO)
1301 WIN_MSG(WM_AWT_CREATECONTEXT)
1302 WIN_MSG(WM_AWT_DESTROYCONTEXT)
1303 WIN_MSG(WM_AWT_ASSOCIATECONTEXT)
1304 WIN_MSG(WM_AWT_GET_DEFAULT_IME_HANDLER)
1305 WIN_MSG(WM_AWT_HANDLE_NATIVE_IME_EVENT)
1306 WIN_MSG(WM_AWT_PRE_KEYDOWN)
1307 WIN_MSG(WM_AWT_PRE_KEYUP)
1308 WIN_MSG(WM_AWT_PRE_SYSKEYDOWN)
1309 WIN_MSG(WM_AWT_PRE_SYSKEYUP)
1310 WIN_MSG(WM_AWT_ENDCOMPOSITION,)
1311 WIN_MSG(WM_AWT_DISPOSE,)
1312 WIN_MSG(WM_AWT_DELETEOBJECT,)
1313 WIN_MSG(WM_AWT_SETCONVERSIONSTATUS,)
1314 WIN_MSG(WM_AWT_GETCONVERSIONSTATUS,)
1315 WIN_MSG(WM_AWT_SETOPENSTATUS,)
1316 WIN_MSG(WM_AWT_GETOPENSTATUS)
1317 WIN_MSG(WM_AWT_ACTIVATEKEYBOARDLAYOUT)
1318 WIN_MSG(WM_AWT_OPENCANDIDATEWINDOW)
1319 WIN_MSG(WM_AWT_DLG_SHOWMODAL,)
1320 WIN_MSG(WM_AWT_DLG_ENDMODAL,)
1321 WIN_MSG(WM_AWT_SETCURSOR,)
1322 WIN_MSG(WM_AWT_WAIT_FOR_SINGLE_OBJECT,)
1323 WIN_MSG(WM_AWT_INVOKE_METHOD,)
1324 WIN_MSG(WM_AWT_INVOKE_VOID_METHOD,)
1325 WIN_MSG(WM_AWT_EXECUTE_SYNC,)
1326 WIN_MSG(WM_AWT_CURSOR_SYNC)
1327 WIN_MSG(WM_AWT_GETDC)
1328 WIN_MSG(WM_AWT_RELEASEDC)
1329 WIN_MSG(WM_AWT_RELEASE_ALL_DCS)
1330 WIN_MSG(WM_AWT_SHOWCURSOR)
1331 WIN_MSG(WM_AWT_HIDECURSOR)
1332 WIN_MSG(WM_AWT_CREATE_PRINTED_PIXELS)
1333 WIN_MSG(WM_AWT_OBJECTLISTCLEANUP)
1334 default:
1335 sprintf(szBuf, "0x%8.8x(%s):Unknown message 0x%8.8x\n",
1336 hwnd, szComment, message);
1337 break;
1338 }
1339 printf(szBuf);
1340 }
1341
1342 #endif /* SPY_MESSAGES */
1343
1344 /*
1345 * Dispatch messages for this window class--general component
1346 */
1347 LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
1348 {
1349 CounterHelper ch(&m_MessagesProcessing);
1350
1351 JNILocalFrame lframe(AwtToolkit::GetEnv(), 10);
1352 SpyWinMessage(GetHWnd(), message,
1353 (message == WM_AWT_RELEASE_ALL_DCS) ? TEXT("Disposed Component") : GetClassName());
1354
1355 LRESULT retValue = 0;
1356 MsgRouting mr = mrDoDefault;
1357 AwtToolkit::GetInstance().eventNumber++;
1358
1359 static BOOL ignoreNextLBTNUP = FALSE; //Ignore next LBUTTONUP msg?
1360
1361 lastMessage = message;
1362
1363 if (message == WmAwtIsComponent) {
1364 // special message to identify AWT HWND's without using
1365 // resource hogging ::SetProp
1366 return (LRESULT)TRUE;
1367 }
1368
1369 DWORD curPos = 0;
1370
1371 UINT switchMessage = message;
1372 switch (switchMessage) {
1373 case WM_AWT_GETDC:
1374 {
1375 HDC hDC;
1376 // First, release the DCs scheduled for deletion
1377 ReleaseDCList(GetHWnd(), passiveDCList);
1378
1379 GetDCReturnStruct *returnStruct = new GetDCReturnStruct;
1380 returnStruct->gdiLimitReached = FALSE;
1381 if (AwtGDIObject::IncrementIfAvailable()) {
1382 hDC = ::GetDCEx(GetHWnd(), NULL,
1383 DCX_CACHE | DCX_CLIPCHILDREN |
1384 DCX_CLIPSIBLINGS);
1385 if (hDC != NULL) {
1386 // Add new DC to list of DC's associated with this Component
1387 activeDCList.AddDC(hDC, GetHWnd());
1388 } else {
1389 // Creation failed; decrement counter in AwtGDIObject
1390 AwtGDIObject::Decrement();
1391 }
1392 } else {
1393 hDC = NULL;
1394 returnStruct->gdiLimitReached = TRUE;
1395 }
1396 returnStruct->hDC = hDC;
1397 retValue = (LRESULT)returnStruct;
1398 mr = mrConsume;
1399 break;
1400 }
1401 case WM_AWT_RELEASEDC:
1402 {
1403 HDC hDC = (HDC)wParam;
1404 MoveDCToPassiveList(hDC, GetHWnd());
1405 ReleaseDCList(GetHWnd(), passiveDCList);
1406 mr = mrConsume;
1407 break;
1408 }
1409 case WM_AWT_RELEASE_ALL_DCS:
1410 {
1411 // Called during Component destruction. Gets current list of
1412 // DC's associated with Component and releases each DC.
1413 ReleaseDCList(GetHWnd(), activeDCList);
1414 ReleaseDCList(GetHWnd(), passiveDCList);
1415 mr = mrConsume;
1416 break;
1417 }
1418 case WM_AWT_SHOWCURSOR:
1419 ::ShowCursor(TRUE);
1420 break;
1421 case WM_AWT_HIDECURSOR:
1422 ::ShowCursor(FALSE);
1423 break;
1424 case WM_CREATE: mr = WmCreate(); break;
1425 case WM_CLOSE: mr = WmClose(); break;
1426 case WM_DESTROY: mr = WmDestroy(); break;
1427 case WM_NCDESTROY: mr = WmNcDestroy(); break;
1428
1429 case WM_ERASEBKGND:
1430 mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break;
1431 case WM_PAINT:
1432 CheckFontSmoothingSettings(GetHWnd());
1433 /* Set draw state */
1434 SetDrawState(GetDrawState() | JAWT_LOCK_CLIP_CHANGED);
1435 mr = WmPaint((HDC)wParam);
1436 break;
1437
1438 case WM_GETMINMAXINFO:
1439 mr = WmGetMinMaxInfo((LPMINMAXINFO)lParam);
1440 break;
1441
1442 case WM_WINDOWPOSCHANGING:
1443 {
1444 // We process this message so that we can synchronize access to
1445 // a moving window. The Scale/Blt functions in Win32BlitLoops
1446 // take the same windowMoveLock to ensure that a window is not
1447 // moving while we are trying to copy pixels into it.
1448 WINDOWPOS *lpPosInfo = (WINDOWPOS *)lParam;
1449 if ((lpPosInfo->flags & (SWP_NOMOVE | SWP_NOSIZE)) !=
1450 (SWP_NOMOVE | SWP_NOSIZE))
1451 {
1452 // Move or Size command.
1453 // Windows tends to send erroneous events that the window
1454 // is about to move when the coordinates are exactly the
1455 // same as the last time. This can cause problems with
1456 // our windowMoveLock CriticalSection because we enter it
1457 // here and never get to WM_WINDOWPOSCHANGED to release it.
1458 // So make sure this is a real move/size event before bothering
1459 // to grab the critical section.
1460 BOOL takeLock = FALSE;
1461 if (!(lpPosInfo->flags & SWP_NOMOVE) &&
1462 ((windowMoveLockPosX != lpPosInfo->x) ||
1463 (windowMoveLockPosY != lpPosInfo->y)))
1464 {
1465 // Real move event
1466 takeLock = TRUE;
1467 windowMoveLockPosX = lpPosInfo->x;
1468 windowMoveLockPosY = lpPosInfo->y;
1469 }
1470 if (!(lpPosInfo->flags & SWP_NOSIZE) &&
1471 ((windowMoveLockPosCX != lpPosInfo->cx) ||
1472 (windowMoveLockPosCY != lpPosInfo->cy)))
1473 {
1474 // Real size event
1475 takeLock = TRUE;
1476 windowMoveLockPosCX = lpPosInfo->cx;
1477 windowMoveLockPosCY = lpPosInfo->cy;
1478 }
1479 if (takeLock) {
1480 if (!windowMoveLockHeld) {
1481 windowMoveLock.Enter();
1482 windowMoveLockHeld = TRUE;
1483 }
1484 }
1485 }
1486 mr = WmWindowPosChanging(lParam);
1487 break;
1488 }
1489 case WM_WINDOWPOSCHANGED:
1490 {
1491 // Release lock grabbed in the POSCHANGING message
1492 if (windowMoveLockHeld) {
1493 windowMoveLockHeld = FALSE;
1494 windowMoveLock.Leave();
1495 }
1496 mr = WmWindowPosChanged(lParam);
1497 break;
1498 }
1499 case WM_MOVE: {
1500 RECT r;
1501 ::GetWindowRect(GetHWnd(), &r);
1502 mr = WmMove(r.left, r.top);
1503 break;
1504 }
1505 case WM_SIZE:
1506 {
1507 RECT r;
1508 // fix 4128317 : use GetClientRect for full 32-bit int precision and
1509 // to avoid negative client area dimensions overflowing 16-bit params - robi
1510 ::GetClientRect( GetHWnd(), &r );
1511 mr = WmSize(static_cast<UINT>(wParam), r.right - r.left, r.bottom - r.top);
1512 //mr = WmSize(wParam, LOWORD(lParam), HIWORD(lParam));
1513 SetCompositionWindow(r);
1514 break;
1515 }
1516 case WM_SIZING:
1517 mr = WmSizing();
1518 break;
1519 case WM_SHOWWINDOW:
1520 mr = WmShowWindow(static_cast<BOOL>(wParam),
1521 static_cast<UINT>(lParam)); break;
1522 case WM_SYSCOMMAND:
1523 mr = WmSysCommand(static_cast<UINT>(wParam & 0xFFF0),
1524 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1525 break;
1526 case WM_ENTERSIZEMOVE:
1527 mr = WmEnterSizeMove();
1528 break;
1529 case WM_EXITSIZEMOVE:
1530 mr = WmExitSizeMove();
1531 break;
1532 // Bug #4039858 (Selecting menu item causes bogus mouse click event)
1533 case WM_ENTERMENULOOP:
1534 mr = WmEnterMenuLoop((BOOL)wParam);
1535 sm_bMenuLoop = TRUE;
1536 // we need to release grab if menu is shown
1537 if (AwtWindow::GetGrabbedWindow() != NULL) {
1538 AwtWindow::GetGrabbedWindow()->Ungrab();
1539 }
1540 break;
1541 case WM_EXITMENULOOP:
1542 mr = WmExitMenuLoop((BOOL)wParam);
1543 sm_bMenuLoop = FALSE;
1544 break;
1545
1546 // We don't expect any focus messages on non-proxy component,
1547 // except those that came from Java.
1548 case WM_SETFOCUS:
1549 if (sm_inSynthesizeFocus) {
1550 mr = WmSetFocus((HWND)wParam);
1551 } else {
1552 mr = mrConsume;
1553 }
1554 break;
1555 case WM_KILLFOCUS:
1556 if (sm_inSynthesizeFocus) {
1557 mr = WmKillFocus((HWND)wParam);
1558 } else {
1559 mr = mrConsume;
1560 }
1561 break;
1562 case WM_ACTIVATE: {
1563 UINT nState = LOWORD(wParam);
1564 BOOL fMinimized = (BOOL)HIWORD(wParam);
1565 mr = mrConsume;
1566
1567 if (!sm_suppressFocusAndActivation &&
1568 (!fMinimized || (nState == WA_INACTIVE)))
1569 {
1570 mr = WmActivate(nState, fMinimized, (HWND)lParam);
1571
1572 // When the window is deactivated, send WM_IME_ENDCOMPOSITION
1573 // message to deactivate the composition window so that
1574 // it won't receive keyboard input focus.
1575 HIMC hIMC;
1576 HWND hwnd = ImmGetHWnd();
1577 if ((hIMC = ImmGetContext(hwnd)) != NULL) {
1578 ImmReleaseContext(hwnd, hIMC);
1579 DefWindowProc(WM_IME_ENDCOMPOSITION, 0, 0);
1580 }
1581 }
1582 break;
1583 }
1584 case WM_MOUSEACTIVATE: {
1585 AwtWindow *window = GetContainer();
1586 if (window && window->IsFocusableWindow()) {
1587 // AWT/Swing will later request focus to a proper component
1588 // on handling the Java mouse event. Anyway, we have to
1589 // activate the window here as it works both for AWT & Swing.
1590 // Do it in our own fassion,
1591 window->AwtSetActiveWindow(TRUE, LOWORD(lParam)/*hittest*/);
1592 }
1593 mr = mrConsume;
1594 retValue = MA_NOACTIVATE;
1595 break;
1596 }
1597 case WM_CTLCOLORMSGBOX:
1598 case WM_CTLCOLOREDIT:
1599 case WM_CTLCOLORLISTBOX:
1600 case WM_CTLCOLORBTN:
1601 case WM_CTLCOLORDLG:
1602 case WM_CTLCOLORSCROLLBAR:
1603 case WM_CTLCOLORSTATIC:
1604 mr = WmCtlColor((HDC)wParam, (HWND)lParam,
1605 message-WM_CTLCOLORMSGBOX+CTLCOLOR_MSGBOX,
1606 *(HBRUSH*)&retValue);
1607 break;
1608 case WM_HSCROLL:
1609 mr = WmHScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1610 break;
1611 case WM_VSCROLL:
1612 mr = WmVScroll(LOWORD(wParam), HIWORD(wParam), (HWND)lParam);
1613 break;
1614 // 4664415: We're seeing a WM_LBUTTONUP when the user releases the
1615 // mouse button after a WM_NCLBUTTONDBLCLK. We want to ignore this
1616 // WM_LBUTTONUP, so we set a flag in WM_NCLBUTTONDBLCLK and look for the
1617 // flag on a WM_LBUTTONUP. -bchristi
1618 case WM_NCLBUTTONDBLCLK:
1619 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON | DBL_CLICK);
1620 if (mr == mrDoDefault) {
1621 ignoreNextLBTNUP = TRUE;
1622 }
1623 break;
1624 case WM_NCLBUTTONDOWN:
1625 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1626 ignoreNextLBTNUP = FALSE;
1627 break;
1628 case WM_NCLBUTTONUP:
1629 mr = WmNcMouseUp(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), LEFT_BUTTON);
1630 break;
1631 case WM_NCRBUTTONDOWN:
1632 mr = WmNcMouseDown(wParam, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), RIGHT_BUTTON);
1633 break;
1634 case WM_LBUTTONUP:
1635 if (ignoreNextLBTNUP) {
1636 ignoreNextLBTNUP = FALSE;
1637 return mrDoDefault;
1638 }
1639 //fall-through
1640 case WM_LBUTTONDOWN:
1641 ignoreNextLBTNUP = FALSE;
1642 //fall-through
1643 case WM_LBUTTONDBLCLK:
1644 case WM_RBUTTONDOWN:
1645 case WM_RBUTTONDBLCLK:
1646 case WM_RBUTTONUP:
1647 case WM_MBUTTONDOWN:
1648 case WM_MBUTTONDBLCLK:
1649 case WM_MBUTTONUP:
1650 case WM_XBUTTONDBLCLK:
1651 case WM_XBUTTONDOWN:
1652 case WM_XBUTTONUP:
1653 case WM_MOUSEMOVE:
1654 case WM_MOUSEWHEEL:
1655 case WM_MOUSEHWHEEL:
1656 case WM_AWT_MOUSEENTER:
1657 case WM_AWT_MOUSEEXIT:
1658 curPos = ::GetMessagePos();
1659 POINT myPos;
1660 myPos.x = GET_X_LPARAM(curPos);
1661 myPos.y = GET_Y_LPARAM(curPos);
1662 ::ScreenToClient(GetHWnd(), &myPos);
1663 switch(switchMessage) {
1664 case WM_AWT_MOUSEENTER:
1665 mr = WmMouseEnter(static_cast<UINT>(wParam), myPos.x, myPos.y);
1666 break;
1667 case WM_LBUTTONDOWN:
1668 case WM_LBUTTONDBLCLK:
1669 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1670 LEFT_BUTTON);
1671 break;
1672 case WM_LBUTTONUP:
1673 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1674 LEFT_BUTTON);
1675 break;
1676 case WM_MOUSEMOVE:
1677 mr = WmMouseMove(static_cast<UINT>(wParam), myPos.x, myPos.y);
1678 break;
1679 case WM_MBUTTONDOWN:
1680 case WM_MBUTTONDBLCLK:
1681 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1682 MIDDLE_BUTTON);
1683 break;
1684 case WM_XBUTTONDOWN:
1685 case WM_XBUTTONDBLCLK:
1686 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1687 if (HIWORD(wParam) == 1) {
1688 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1689 X1_BUTTON);
1690 }
1691 if (HIWORD(wParam) == 2) {
1692 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1693 X2_BUTTON);
1694 }
1695 }
1696 break;
1697 case WM_XBUTTONUP:
1698 if (AwtToolkit::GetInstance().areExtraMouseButtonsEnabled()) {
1699 if (HIWORD(wParam) == 1) {
1700 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1701 X1_BUTTON);
1702 }
1703 if (HIWORD(wParam) == 2) {
1704 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1705 X2_BUTTON);
1706 }
1707 }
1708 break;
1709 case WM_RBUTTONDOWN:
1710 case WM_RBUTTONDBLCLK:
1711 mr = WmMouseDown(static_cast<UINT>(wParam), myPos.x, myPos.y,
1712 RIGHT_BUTTON);
1713 break;
1714 case WM_RBUTTONUP:
1715 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1716 RIGHT_BUTTON);
1717 break;
1718 case WM_MBUTTONUP:
1719 mr = WmMouseUp(static_cast<UINT>(wParam), myPos.x, myPos.y,
1720 MIDDLE_BUTTON);
1721 break;
1722 case WM_AWT_MOUSEEXIT:
1723 mr = WmMouseExit(static_cast<UINT>(wParam), myPos.x, myPos.y);
1724 break;
1725 case WM_MOUSEWHEEL:
1726 case WM_MOUSEHWHEEL:
1727 mr = WmMouseWheel(GET_KEYSTATE_WPARAM(wParam),
1728 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
1729 GET_WHEEL_DELTA_WPARAM(wParam),
1730 switchMessage == WM_MOUSEHWHEEL);
1731 break;
1732 }
1733 break;
1734 case WM_TOUCH:
1735 WmTouch(wParam, lParam);
1736 break;
1737 case WM_SETCURSOR:
1738 mr = mrDoDefault;
1739 if (LOWORD(lParam) == HTCLIENT) {
1740 if (AwtComponent* comp =
1741 AwtComponent::GetComponent((HWND)wParam)) {
1742 AwtCursor::UpdateCursor(comp);
1743 mr = mrConsume;
1744 }
1745 }
1746 break;
1747
1748 case WM_KEYDOWN:
1749 mr = WmKeyDown(static_cast<UINT>(wParam),
1750 LOWORD(lParam), HIWORD(lParam), FALSE);
1751 break;
1752 case WM_KEYUP:
1753 mr = WmKeyUp(static_cast<UINT>(wParam),
1754 LOWORD(lParam), HIWORD(lParam), FALSE);
1755 break;
1756 case WM_SYSKEYDOWN:
1757 mr = WmKeyDown(static_cast<UINT>(wParam),
1758 LOWORD(lParam), HIWORD(lParam), TRUE);
1759 break;
1760 case WM_SYSKEYUP:
1761 mr = WmKeyUp(static_cast<UINT>(wParam),
1762 LOWORD(lParam), HIWORD(lParam), TRUE);
1763 break;
1764 case WM_IME_SETCONTEXT:
1765 // lParam is passed as pointer and it can be modified.
1766 mr = WmImeSetContext(static_cast<BOOL>(wParam), &lParam);
1767 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1768 break;
1769 case WM_IME_NOTIFY:
1770 mr = WmImeNotify(wParam, lParam);
1771 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1772 break;
1773 case WM_IME_STARTCOMPOSITION:
1774 mr = WmImeStartComposition();
1775 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1776 break;
1777 case WM_IME_ENDCOMPOSITION:
1778 mr = WmImeEndComposition();
1779 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1780 break;
1781 case WM_IME_COMPOSITION: {
1782 WORD dbcschar = static_cast<WORD>(wParam);
1783 mr = WmImeComposition(dbcschar, lParam);
1784 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1785 break;
1786 }
1787 case WM_IME_CONTROL:
1788 case WM_IME_COMPOSITIONFULL:
1789 case WM_IME_SELECT:
1790 case WM_IME_KEYUP:
1791 case WM_IME_KEYDOWN:
1792 case WM_IME_REQUEST:
1793 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1794 break;
1795 case WM_CHAR:
1796 mr = WmChar(static_cast<UINT>(wParam),
1797 LOWORD(lParam), HIWORD(lParam), FALSE);
1798 break;
1799 case WM_SYSCHAR:
1800 mr = WmChar(static_cast<UINT>(wParam),
1801 LOWORD(lParam), HIWORD(lParam), TRUE);
1802 break;
1803 case WM_IME_CHAR:
1804 mr = WmIMEChar(static_cast<UINT>(wParam),
1805 LOWORD(lParam), HIWORD(lParam), FALSE);
1806 break;
1807
1808 case WM_INPUTLANGCHANGEREQUEST: {
1809 DTRACE_PRINTLN4("WM_INPUTLANGCHANGEREQUEST: hwnd = 0x%X (%s);"//
1810 "0x%08X -> 0x%08X",
1811 GetHWnd(), GetClassName(),
1812 (UINT_PTR)GetKeyboardLayout(), (UINT_PTR)lParam);
1813 // 4267428: make sure keyboard layout is turned undead.
1814 static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
1815 AwtToolkit::GetKeyboardState(keyboardState);
1816 WORD ignored;
1817 ::ToAsciiEx(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0),
1818 keyboardState, &ignored, 0, GetKeyboardLayout());
1819
1820 // Set this flag to block ActivateKeyboardLayout from
1821 // WInputMethod.activate()
1822 g_bUserHasChangedInputLang = TRUE;
1823 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1824 break;
1825 }
1826 case WM_INPUTLANGCHANGE:
1827 DTRACE_PRINTLN3("WM_INPUTLANGCHANGE: hwnd = 0x%X (%s);"//
1828 "new = 0x%08X",
1829 GetHWnd(), GetClassName(), (UINT)lParam);
1830 mr = WmInputLangChange(static_cast<UINT>(wParam), reinterpret_cast<HKL>(lParam));
1831 g_bUserHasChangedInputLang = TRUE;
1832 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1833 // should return non-zero if we process this message
1834 retValue = 1;
1835 break;
1836
1837 case WM_AWT_FORWARD_CHAR:
1838 mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam));
1839 break;
1840
1841 case WM_AWT_FORWARD_BYTE:
1842 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1843 break;
1844
1845 case WM_PASTE:
1846 mr = WmPaste();
1847 break;
1848 case WM_TIMER:
1849 mr = WmTimer(wParam);
1850 break;
1851
1852 case WM_COMMAND:
1853 mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam));
1854 break;
1855 case WM_COMPAREITEM:
1856 mr = WmCompareItem(static_cast<UINT>(wParam),
1857 *(COMPAREITEMSTRUCT*)lParam, retValue);
1858 break;
1859 case WM_DELETEITEM:
1860 mr = WmDeleteItem(static_cast<UINT>(wParam),
1861 *(DELETEITEMSTRUCT*)lParam);
1862 break;
1863 case WM_DRAWITEM:
1864 mr = WmDrawItem(static_cast<UINT>(wParam),
1865 *(DRAWITEMSTRUCT*)lParam);
1866 break;
1867 case WM_MEASUREITEM:
1868 mr = WmMeasureItem(static_cast<UINT>(wParam),
1869 *(MEASUREITEMSTRUCT*)lParam);
1870 break;
1871
1872 case WM_AWT_HANDLE_EVENT:
1873 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1874 break;
1875
1876 case WM_PRINT:
1877 mr = WmPrint((HDC)wParam, lParam);
1878 break;
1879 case WM_PRINTCLIENT:
1880 mr = WmPrintClient((HDC)wParam, lParam);
1881 break;
1882
1883 case WM_NCCALCSIZE:
1884 mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam,
1885 retValue);
1886 break;
1887 case WM_NCPAINT:
1888 mr = WmNcPaint((HRGN)wParam);
1889 break;
1890 case WM_NCHITTEST:
1891 mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue);
1892 break;
1893
1894 case WM_AWT_RESHAPE_COMPONENT: {
1895 RECT* r = (RECT*)lParam;
1896 WPARAM checkEmbedded = wParam;
1897 if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) {
1898 ::OffsetRect(r, -r->left, -r->top);
1899 }
1900 Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top);
1901 delete r;
1902 mr = mrConsume;
1903 break;
1904 }
1905
1906 case WM_AWT_SETALWAYSONTOP: {
1907 AwtWindow* w = (AwtWindow*)lParam;
1908 BOOL value = (BOOL)wParam;
1909 UINT flags = SWP_NOMOVE | SWP_NOSIZE;
1910 // transient windows shouldn't change the owner window's position in the z-order
1911 if (w->IsRetainingHierarchyZOrder()) {
1912 flags |= SWP_NOOWNERZORDER;
1913 }
1914 ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST),
1915 0,0,0,0, flags);
1916 break;
1917 }
1918
1919 case WM_AWT_BEGIN_VALIDATE:
1920 BeginValidate();
1921 mr = mrConsume;
1922 break;
1923 case WM_AWT_END_VALIDATE:
1924 EndValidate();
1925 mr = mrConsume;
1926 break;
1927
1928 case WM_PALETTEISCHANGING:
1929 mr = WmPaletteIsChanging((HWND)wParam);
1930 mr = mrDoDefault;
1931 break;
1932 case WM_QUERYNEWPALETTE:
1933 mr = WmQueryNewPalette(retValue);
1934 break;
1935 case WM_PALETTECHANGED:
1936 mr = WmPaletteChanged((HWND)wParam);
1937 break;
1938 case WM_STYLECHANGED:
1939 mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam);
1940 break;
1941 case WM_SETTINGCHANGE:
1942 CheckFontSmoothingSettings(NULL);
1943 mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam);
1944 break;
1945 case WM_CONTEXTMENU:
1946 mr = WmContextMenu((HWND)wParam,
1947 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1948 break;
1949
1950 /*
1951 * These messages are used to route Win32 calls to the
1952 * creating thread, since these calls fail unless executed
1953 * there.
1954 */
1955 case WM_AWT_COMPONENT_SHOW:
1956 Show();
1957 mr = mrConsume;
1958 break;
1959 case WM_AWT_COMPONENT_HIDE:
1960 Hide();
1961 mr = mrConsume;
1962 break;
1963
1964 case WM_AWT_COMPONENT_SETFOCUS:
1965 if ((BOOL)wParam) {
1966 retValue = SynthesizeWmSetFocus(GetHWnd(), NULL);
1967 } else {
1968 retValue = SynthesizeWmKillFocus(GetHWnd(), NULL);
1969 }
1970 mr = mrConsume;
1971 break;
1972 case WM_AWT_WINDOW_SETACTIVE:
1973 retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam);
1974 mr = mrConsume;
1975 break;
1976
1977 case WM_AWT_SET_SCROLL_INFO: {
1978 SCROLLINFO *si = (SCROLLINFO *) lParam;
1979 ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE);
1980 delete si;
1981 mr = mrConsume;
1982 break;
1983 }
1984 case WM_AWT_CREATE_PRINTED_PIXELS: {
1985 CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam;
1986 SIZE loc = { cpps->srcx, cpps->srcy };
1987 SIZE size = { cpps->srcw, cpps->srch };
1988 retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha);
1989 mr = mrConsume;
1990 break;
1991 }
1992 case WM_UNDOCUMENTED_CLICKMENUBAR:
1993 {
1994 if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) {
1995 mr = mrConsume;
1996 }
1997 }
1998 }
1999
2000 /*
2001 * If not a specific Consume, it was a specific DoDefault, or a
2002 * PassAlong (since the default is the next in chain), then call the
2003 * default proc.
2004 */
2005 if (mr != mrConsume) {
2006 retValue = DefWindowProc(message, wParam, lParam);
2007 }
2008
2009 return retValue;
2010 }
2011 /*
2012 * Call this instance's default window proc, or if none set, call the stock
2013 * Window's one.
2014 */
2015 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam)
2016 {
2017 return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam);
2018 }
2019
2020 /*
2021 * This message should only be received when a window is destroyed by
2022 * Windows, and not Java. Window termination has been reworked so
2023 * this method should never be called during termination.
2024 */
2025 MsgRouting AwtComponent::WmDestroy()
2026 {
2027 return mrConsume;
2028 }
2029
2030 /*
2031 * This message should only be received when a window is destroyed by
2032 * Windows, and not Java. It is sent only after child windows were destroyed.
2033 */
2034 MsgRouting AwtComponent::WmNcDestroy()
2035 {
2036 if (m_peerObject != NULL) { // is not being terminating
2037 // Stay in this handler until AwtComponent::Dispose is called.
2038 m_bPauseDestroy = TRUE;
2039
2040 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
2041 // Post invocation event for WObjectPeer.dispose to EDT
2042 env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID);
2043 // Wait until AwtComponent::Dispose is called
2044 AwtToolkit::GetInstance().PumpToDestroy(this);
2045 }
2046
2047 return mrConsume;
2048 }
2049
2050 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi)
2051 {
2052 return mrDoDefault;
2053 }
2054
2055 MsgRouting AwtComponent::WmMove(int x, int y)
2056 {
2057 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2058 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2059 return mrDoDefault;
2060 }
2061
2062 MsgRouting AwtComponent::WmSize(UINT type, int w, int h)
2063 {
2064 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2065 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2066 return mrDoDefault;
2067 }
2068
2069 MsgRouting AwtComponent::WmSizing()
2070 {
2071 return mrDoDefault;
2072 }
2073
2074 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos)
2075 {
2076 return mrDoDefault;
2077 }
2078
2079 MsgRouting AwtComponent::WmEnterSizeMove()
2080 {
2081 return mrDoDefault;
2082 }
2083
2084 MsgRouting AwtComponent::WmExitSizeMove()
2085 {
2086 return mrDoDefault;
2087 }
2088
2089 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu)
2090 {
2091 return mrDoDefault;
2092 }
2093
2094 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu)
2095 {
2096 return mrDoDefault;
2097 }
2098
2099 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status)
2100 {
2101 return mrDoDefault;
2102 }
2103
2104 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus)
2105 {
2106 m_wheelRotationAmountX = 0;
2107 m_wheelRotationAmountY = 0;
2108 return mrDoDefault;
2109 }
2110
2111 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus)
2112 {
2113 m_wheelRotationAmountX = 0;
2114 m_wheelRotationAmountY = 0;
2115 return mrDoDefault;
2116 }
2117
2118 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl,
2119 UINT ctlColor, HBRUSH& retBrush)
2120 {
2121 AwtComponent* child = AwtComponent::GetComponent(hCtrl);
2122 if (child) {
2123 ::SetBkColor(hDC, child->GetBackgroundColor());
2124 ::SetTextColor(hDC, child->GetColor());
2125 retBrush = child->GetBackgroundBrush();
2126 return mrConsume;
2127 }
2128 return mrDoDefault;
2129 /*
2130 switch (ctlColor) {
2131 case CTLCOLOR_MSGBOX:
2132 case CTLCOLOR_EDIT:
2133 case CTLCOLOR_LISTBOX:
2134 case CTLCOLOR_BTN:
2135 case CTLCOLOR_DLG:
2136 case CTLCOLOR_SCROLLBAR:
2137 case CTLCOLOR_STATIC:
2138 }
2139 */
2140 }
2141
2142 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos,
2143 HWND hScrollbar) {
2144 if (hScrollbar && hScrollbar != GetHWnd()) {
2145 /* the last test should never happen */
2146 AwtComponent* sb = GetComponent(hScrollbar);
2147 if (sb) {
2148 sb->WmHScroll(scrollCode, pos, hScrollbar);
2149 }
2150 }
2151 return mrDoDefault;
2152 }
2153
2154 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar)
2155 {
2156 if (hScrollbar && hScrollbar != GetHWnd()) {
2157 /* the last test should never happen */
2158 AwtComponent* sb = GetComponent(hScrollbar);
2159 if (sb) {
2160 sb->WmVScroll(scrollCode, pos, hScrollbar);
2161 }
2162 }
2163 return mrDoDefault;
2164 }
2165
2166
2167 MsgRouting AwtComponent::WmPaint(HDC)
2168 {
2169 /* Get the rectangle that covers all update regions, if any exist. */
2170 RECT r;
2171 if (::GetUpdateRect(GetHWnd(), &r, FALSE)) {
2172 if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 &&
2173 m_peerObject != NULL && m_callbacksEnabled) {
2174 /*
2175 * Always call handlePaint, because the underlying control
2176 * will have painted itself (the "background") before any
2177 * paint method is called.
2178 */
2179 DoCallback("handlePaint", "(IIII)V",
2180 r.left, r.top, r.right-r.left, r.bottom-r.top);
2181 }
2182 }
2183 return mrDoDefault;
2184 }
2185
2186 void AwtComponent::PaintUpdateRgn(const RECT *insets)
2187 {
2188 // Fix 4530093: Don't Validate if can't actually paint
2189 if (m_peerObject == NULL || !m_callbacksEnabled) {
2190
2191 // Fix 4745222: If we don't ValidateRgn, windows will keep sending
2192 // WM_PAINT messages until we do. This causes java to go into
2193 // a tight loop that increases CPU to 100% and starves main
2194 // thread which needs to complete initialization, but cant.
2195 ::ValidateRgn(GetHWnd(), NULL);
2196
2197 return;
2198 }
2199
2200 HRGN rgn = ::CreateRectRgn(0,0,1,1);
2201 int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE);
2202 /*
2203 * Now remove all update regions from this window -- do it
2204 * here instead of after the Java upcall, in case any new
2205 * updating is requested.
2206 */
2207 ::ValidateRgn(GetHWnd(), NULL);
2208
2209 if (updated == COMPLEXREGION || updated == SIMPLEREGION) {
2210 if (insets != NULL) {
2211 ::OffsetRgn(rgn, insets->left, insets->top);
2212 }
2213 DWORD size = ::GetRegionData(rgn, 0, NULL);
2214 if (size == 0) {
2215 ::DeleteObject((HGDIOBJ)rgn);
2216 return;
2217 }
2218 char* buffer = new char[size]; // safe because sizeof(char)==1
2219 memset(buffer, 0, size);
2220 LPRGNDATA rgndata = (LPRGNDATA)buffer;
2221 rgndata->rdh.dwSize = sizeof(RGNDATAHEADER);
2222 rgndata->rdh.iType = RDH_RECTANGLES;
2223 int retCode = ::GetRegionData(rgn, size, rgndata);
2224 VERIFY(retCode);
2225 if (retCode == 0) {
2226 delete [] buffer;
2227 ::DeleteObject((HGDIOBJ)rgn);
2228 return;
2229 }
2230 /*
2231 * Updating rects are divided into mostly vertical and mostly horizontal
2232 * Each group is united together and if not empty painted separately
2233 */
2234 RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize);
2235 RECT* un[2] = {0, 0};
2236 DWORD i;
2237 for (i = 0; i < rgndata->rdh.nCount; i++, r++) {
2238 int width = r->right-r->left;
2239 int height = r->bottom-r->top;
2240 if (width > 0 && height > 0) {
2241 int toAdd = (width > height) ? 0: 1;
2242 if (un[toAdd] != 0) {
2243 ::UnionRect(un[toAdd], un[toAdd], r);
2244 } else {
2245 un[toAdd] = r;
2246 }
2247 }
2248 }
2249 for(i = 0; i < 2; i++) {
2250 if (un[i] != 0) {
2251 DoCallback("handleExpose", "(IIII)V",
2252 ScaleDownX(un[i]->left),
2253 ScaleDownY(un[i]->top),
2254 ScaleDownX(un[i]->right - un[i]->left),
2255 ScaleDownY(un[i]->bottom - un[i]->top));
2256 }
2257 }
2258 delete [] buffer;
2259 }
2260 ::DeleteObject((HGDIOBJ)rgn);
2261 }
2262
2263 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y)
2264 {
2265 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED,
2266 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 0, JNI_FALSE);
2267 if ((flags & ALL_MK_BUTTONS) == 0) {
2268 AwtCursor::UpdateCursor(this);
2269 }
2270 sm_cursorOn = GetHWnd();
2271 return mrConsume; /* Don't pass our synthetic event on! */
2272 }
2273
2274 MSG*
2275 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam,
2276 int x = 0, int y = 0)
2277 {
2278 MSG* pMsg = new MSG;
2279 InitMessage(pMsg, message, wParam, lParam, x, y);
2280 return pMsg;
2281 }
2282
2283
2284 jint
2285 AwtComponent::GetDrawState(HWND hwnd) {
2286 return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp));
2287 }
2288
2289 void
2290 AwtComponent::SetDrawState(HWND hwnd, jint state) {
2291 ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state);
2292 }
2293
2294 void
2295 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam,
2296 int x = 0, int y = 0)
2297 {
2298 msg->message = message;
2299 msg->wParam = wParam;
2300 msg->lParam = lParam;
2301 msg->time = ::GetMessageTime();
2302 msg->pt.x = x;
2303 msg->pt.y = y;
2304 }
2305
2306 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) {
2307 return mrDoDefault;
2308 }
2309 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) {
2310 return mrDoDefault;
2311 }
2312
2313 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) {
2314 return mrDoDefault;
2315 }
2316 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) {
2317 return mrDoDefault;
2318 }
2319
2320 void AwtComponent::WmTouch(WPARAM wParam, LPARAM lParam) {
2321 AwtToolkit& tk = AwtToolkit::GetInstance();
2322 if (!tk.IsWin8OrLater() || !tk.IsTouchKeyboardAutoShowEnabled()) {
2323 return;
2324 }
2325
2326 UINT inputsCount = LOWORD(wParam);
2327 TOUCHINPUT* pInputs = new TOUCHINPUT[inputsCount];
2328 if (pInputs != NULL) {
2329 if (tk.TIGetTouchInputInfo((HTOUCHINPUT)lParam, inputsCount, pInputs,
2330 sizeof(TOUCHINPUT)) != 0) {
2331 for (UINT i = 0; i < inputsCount; i++) {
2332 TOUCHINPUT ti = pInputs[i];
2333 if (ti.dwFlags & TOUCHEVENTF_PRIMARY) {
2334 if (ti.dwFlags & TOUCHEVENTF_DOWN) {
2335 m_touchDownPoint.x = ti.x / 100;
2336 m_touchDownPoint.y = ti.y / 100;
2337 ::ScreenToClient(GetHWnd(), &m_touchDownPoint);
2338 m_touchDownOccurred = TRUE;
2339 } else if (ti.dwFlags & TOUCHEVENTF_UP) {
2340 m_touchUpPoint.x = ti.x / 100;
2341 m_touchUpPoint.y = ti.y / 100;
2342 ::ScreenToClient(GetHWnd(), &m_touchUpPoint);
2343 m_touchUpOccurred = TRUE;
2344 }
2345 }
2346 }
2347 }
2348 delete[] pInputs;
2349 }
2350 }
2351
2352 /* Double-click variables. */
2353 static jlong multiClickTime = ::GetDoubleClickTime();
2354 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK);
2355 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK);
2356 static AwtComponent* lastClickWnd = NULL;
2357 static jlong lastTime = 0;
2358 static int lastClickX = 0;
2359 static int lastClickY = 0;
2360 static int lastButton = 0;
2361 static int clickCount = 0;
2362
2363 // A static method that makes the clickCount available in the derived classes
2364 // overriding WmMouseDown().
2365 int AwtComponent::GetClickCount()
2366 {
2367 return clickCount;
2368 }
2369
2370 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button)
2371 {
2372 jlong now = ::JVM_CurrentTimeMillis(NULL, 0);
2373
2374 if (lastClickWnd == this &&
2375 lastButton == button &&
2376 (now - lastTime) <= multiClickTime &&
2377 abs(x - lastClickX) <= multiClickMaxX &&
2378 abs(y - lastClickY) <= multiClickMaxY)
2379 {
2380 clickCount++;
2381 } else {
2382 clickCount = 1;
2383 lastClickWnd = this;
2384 lastButton = button;
2385 lastClickX = x;
2386 lastClickY = y;
2387 }
2388 /*
2389 *Set appropriate bit of the mask on WM_MOUSE_DOWN message.
2390 */
2391 m_mouseButtonClickAllowed |= GetButtonMK(button);
2392 lastTime = now;
2393
2394 BOOL causedByTouchEvent = FALSE;
2395 if (m_touchDownOccurred &&
2396 (abs(m_touchDownPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2397 (abs(m_touchDownPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2398 causedByTouchEvent = TRUE;
2399 m_touchDownOccurred = FALSE;
2400 }
2401
2402 MSG msg;
2403 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2404
2405 AwtWindow *toplevel = GetContainer();
2406 if (toplevel && !toplevel->IsSimpleWindow()) {
2407 /*
2408 * The frame should be focused by click in case it is
2409 * the active window but not the focused window. See 6886678.
2410 */
2411 if (toplevel->GetHWnd() == ::GetActiveWindow() &&
2412 toplevel->GetHWnd() != AwtComponent::GetFocusedWindow())
2413 {
2414 toplevel->AwtSetActiveWindow();
2415 }
2416 }
2417
2418 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y,
2419 GetJavaModifiers(), clickCount, JNI_FALSE,
2420 GetButton(button), &msg, causedByTouchEvent);
2421 /*
2422 * NOTE: this call is intentionally placed after all other code,
2423 * since AwtComponent::WmMouseDown() assumes that the cached id of the
2424 * latest retrieved message (see lastMessage in awt_Component.cpp)
2425 * matches the mouse message being processed.
2426 * SetCapture() sends WM_CAPTURECHANGED and breaks that
2427 * assumption.
2428 */
2429 SetDragCapture(flags);
2430
2431 AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd()));
2432 if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) {
2433 if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) {
2434 AwtWindow::GetGrabbedWindow()->Ungrab();
2435 }
2436 }
2437 return mrConsume;
2438 }
2439
2440 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button)
2441 {
2442 BOOL causedByTouchEvent = FALSE;
2443 if (m_touchUpOccurred &&
2444 (abs(m_touchUpPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2445 (abs(m_touchUpPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2446 causedByTouchEvent = TRUE;
2447 m_touchUpOccurred = FALSE;
2448 }
2449
2450 MSG msg;
2451 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2452
2453 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, ::JVM_CurrentTimeMillis(NULL, 0),
2454 x, y, GetJavaModifiers(), clickCount,
2455 (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ?
2456 TRUE : FALSE), GetButton(button), &msg, causedByTouchEvent);
2457 /*
2458 * If no movement, then report a click following the button release.
2459 * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN,
2460 * spurous MOUSE_CLICK is about to happen. See 6430553.
2461 */
2462 if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed
2463 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED,
2464 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(),
2465 clickCount, JNI_FALSE, GetButton(button));
2466 }
2467 // Exclude button from allowed to generate CLICK messages
2468 m_mouseButtonClickAllowed &= ~GetButtonMK(button);
2469
2470 if ((flags & ALL_MK_BUTTONS) == 0) {
2471 // only update if all buttons have been released
2472 AwtCursor::UpdateCursor(this);
2473 }
2474 /*
2475 * NOTE: this call is intentionally placed after all other code,
2476 * since AwtComponent::WmMouseUp() assumes that the cached id of the
2477 * latest retrieved message (see lastMessage in awt_Component.cpp)
2478 * matches the mouse message being processed.
2479 * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that
2480 * assumption.
2481 */
2482 ReleaseDragCapture(flags);
2483
2484 return mrConsume;
2485 }
2486
2487 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y)
2488 {
2489 static AwtComponent* lastComp = NULL;
2490 static int lastX = 0;
2491 static int lastY = 0;
2492
2493 /*
2494 * Only report mouse move and drag events if a move or drag
2495 * actually happened -- Windows sends a WM_MOUSEMOVE in case the
2496 * app wants to modify the cursor.
2497 */
2498 if (lastComp != this || x != lastX || y != lastY) {
2499 lastComp = this;
2500 lastX = x;
2501 lastY = y;
2502 BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled();
2503 if (((flags & (ALL_MK_BUTTONS)) != 0) ||
2504 (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0))
2505 // if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) ||
2506 // ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) ))
2507 {
2508 // 6404008 : if Dragged event fired we shouldn't fire
2509 // Clicked event: m_firstDragSent set to TRUE.
2510 // This is a partial backout of 5039416 fix.
2511 MSG msg;
2512 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2513 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2514 GetJavaModifiers(), 0, JNI_FALSE,
2515 java_awt_event_MouseEvent_NOBUTTON, &msg);
2516 //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence
2517 m_mouseButtonClickAllowed = 0;
2518 } else {
2519 MSG msg;
2520 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2521 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2522 GetJavaModifiers(), 0, JNI_FALSE,
2523 java_awt_event_MouseEvent_NOBUTTON, &msg);
2524 }
2525 }
2526
2527 return mrConsume;
2528 }
2529
2530 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y)
2531 {
2532 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, ::JVM_CurrentTimeMillis(NULL, 0), x,
2533 y, GetJavaModifiers(), 0, JNI_FALSE);
2534 sm_cursorOn = NULL;
2535 return mrConsume; /* Don't pass our synthetic event on! */
2536 }
2537
2538 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y,
2539 int wheelRotation, BOOL isHorizontal)
2540 {
2541 // convert coordinates to be Component-relative, not screen relative
2542 // for wheeling when outside the window, this works similar to
2543 // coordinates during a drag
2544 POINT eventPt;
2545 eventPt.x = x;
2546 eventPt.y = y;
2547 DTRACE_PRINT2(" original coords: %i,%i\n", x, y);
2548 ::ScreenToClient(GetHWnd(), &eventPt);
2549 DTRACE_PRINT2(" new coords: %i,%i\n\n", eventPt.x, eventPt.y);
2550
2551 // set some defaults
2552 jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2553 jint scrollUnits = 3;
2554
2555 BOOL result;
2556 UINT platformUnits;
2557 jint roundedWheelRotation;
2558 jdouble preciseWheelRotation;
2559
2560 // AWT interprets wheel rotation differently than win32, so we need to
2561 // decode wheel amount.
2562 jint modifiers = GetJavaModifiers();
2563 if (isHorizontal) {
2564 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2565 m_wheelRotationAmountX += wheelRotation;
2566 roundedWheelRotation = m_wheelRotationAmountX / (WHEEL_DELTA);
2567 preciseWheelRotation = (jdouble) wheelRotation / (WHEEL_DELTA);
2568 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0,
2569 &platformUnits, 0);
2570 } else {
2571 m_wheelRotationAmountY += wheelRotation;
2572 roundedWheelRotation = m_wheelRotationAmountY / (-1 * WHEEL_DELTA);
2573 preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA);
2574 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
2575 &platformUnits, 0);
2576 }
2577
2578 MSG msg;
2579 InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation),
2580 MAKELPARAM(x, y));
2581
2582 if (result) {
2583 if (platformUnits == WHEEL_PAGESCROLL) {
2584 scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL;
2585 scrollUnits = 1;
2586 }
2587 else {
2588 scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2589 scrollUnits = platformUnits;
2590 }
2591 }
2592
2593 DTRACE_PRINTLN("calling SendMouseWheelEvent");
2594
2595 SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, ::JVM_CurrentTimeMillis(NULL, 0),
2596 eventPt.x, eventPt.y, modifiers, 0, 0, scrollType,
2597 scrollUnits, roundedWheelRotation, preciseWheelRotation, &msg);
2598
2599 m_wheelRotationAmountX %= WHEEL_DELTA;
2600 m_wheelRotationAmountY %= WHEEL_DELTA;
2601 // this message could be propagated up to the parent chain
2602 // by the mouse message post processors
2603 return mrConsume;
2604 }
2605
2606 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) {
2607 // Rector+Newcomer page 413
2608 // The extended keys are the Alt and Control on the right of
2609 // the space bar, the non-Numpad arrow keys, the non-Numpad
2610 // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys.
2611 // Note that neither Shift key is extended.
2612 // Although not listed in Rector+Newcomer, both Windows keys
2613 // (91 and 92) are extended keys, the Context Menu key
2614 // (property key or application key - 93) is extended,
2615 // and so is the NumLock key.
2616
2617 // wkey is the wParam, flags is the HIWORD of the lParam
2618
2619 // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam)
2620 BOOL extended = ((1<<8) & flags);
2621
2622 if (IsNumPadKey(wkey, extended)) {
2623 return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD;
2624 }
2625
2626 switch (wkey) {
2627 case VK_SHIFT:
2628 return AwtComponent::GetShiftKeyLocation(wkey, flags);
2629 case VK_CONTROL: // fall through
2630 case VK_MENU:
2631 if (extended) {
2632 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2633 } else {
2634 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2635 }
2636 case VK_LWIN:
2637 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2638 case VK_RWIN:
2639 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2640 default:
2641 break;
2642 }
2643
2644 // REMIND: if we add keycodes for the windows keys, we'll have to
2645 // include left/right discrimination code for them.
2646
2647 return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
2648 }
2649
2650 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags)
2651 {
2652 // init scancodes to safe values
2653 UINT leftShiftScancode = 0;
2654 UINT rightShiftScancode = 0;
2655
2656 // First 8 bits of flags is the scancode
2657 UINT keyScanCode = flags & 0xFF;
2658
2659 DTRACE_PRINTLN3(
2660 "AwtComponent::GetShiftKeyLocation vkey = %d = 0x%x scan = %d",
2661 vkey, vkey, keyScanCode);
2662
2663 leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0);
2664 rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0);
2665
2666 if (keyScanCode == leftShiftScancode) {
2667 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2668 }
2669 if (keyScanCode == rightShiftScancode) {
2670 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2671 }
2672
2673 DASSERT(false);
2674 // Note: the above should not fail on NT (or 2000)
2675
2676 // default value
2677 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2678 }
2679
2680 /* Returns Java ActionEvent modifieres.
2681 * When creating ActionEvent, modifiers provided by ActionEvent
2682 * class should be set.
2683 */
2684 jint
2685 AwtComponent::GetActionModifiers()
2686 {
2687 jint modifiers = GetJavaModifiers();
2688
2689 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
2690 modifiers |= java_awt_event_ActionEvent_CTRL_MASK;
2691 }
2692 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
2693 modifiers |= java_awt_event_ActionEvent_SHIFT_MASK;
2694 }
2695 if (modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) {
2696 modifiers |= java_awt_event_ActionEvent_ALT_MASK;
2697 }
2698 return modifiers;
2699 }
2700
2701 /* Returns Java extended InputEvent modifieres.
2702 * Since ::GetKeyState returns current state and Java modifiers represent
2703 * state before event, modifier on changed key are inverted.
2704 */
2705 jint
2706 AwtComponent::GetJavaModifiers()
2707 {
2708 jint modifiers = 0;
2709
2710 if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) {
2711 modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK;
2712 }
2713 if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) {
2714 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2715 }
2716 if (HIBYTE(::GetKeyState(VK_MENU)) != 0) {
2717 modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK;
2718 }
2719 if (HIBYTE(::GetKeyState(VK_RMENU)) != 0) {
2720 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
2721 }
2722 if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) {
2723 modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK;
2724 }
2725 if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) {
2726 modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK;
2727 }
2728 if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) {
2729 modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK;
2730 }
2731
2732 if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) {
2733 modifiers |= masks[3];
2734 }
2735 if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) {
2736 modifiers |= masks[4];
2737 }
2738 return modifiers;
2739 }
2740
2741 jint
2742 AwtComponent::GetButton(int mouseButton)
2743 {
2744 /* Mouse buttons are already set correctly for left/right handedness */
2745 switch(mouseButton) {
2746 case LEFT_BUTTON:
2747 return java_awt_event_MouseEvent_BUTTON1;
2748 case MIDDLE_BUTTON:
2749 return java_awt_event_MouseEvent_BUTTON2;
2750 case RIGHT_BUTTON:
2751 return java_awt_event_MouseEvent_BUTTON3;
2752 case X1_BUTTON: //16 :
2753 //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now
2754 return 4;
2755 case X2_BUTTON: //32
2756 return 5;
2757 }
2758 return java_awt_event_MouseEvent_NOBUTTON;
2759 }
2760
2761 UINT
2762 AwtComponent::GetButtonMK(int mouseButton)
2763 {
2764 switch(mouseButton) {
2765 case LEFT_BUTTON:
2766 return MK_LBUTTON;
2767 case MIDDLE_BUTTON:
2768 return MK_MBUTTON;
2769 case RIGHT_BUTTON:
2770 return MK_RBUTTON;
2771 case X1_BUTTON:
2772 return MK_XBUTTON1;
2773 case X2_BUTTON:
2774 return MK_XBUTTON2;
2775 }
2776 return 0;
2777 }
2778
2779 // FIXME: Keyboard related stuff has grown so big and hairy that we
2780 // really need to move it into a class of its own. And, since
2781 // keyboard is a shared resource, AwtComponent is a bad place for it.
2782
2783 // These constants are defined in the Japanese version of VC++5.0,
2784 // but not the US version
2785 #ifndef VK_CONVERT
2786 #define VK_KANA 0x15
2787 #define VK_KANJI 0x19
2788 #define VK_CONVERT 0x1C
2789 #define VK_NONCONVERT 0x1D
2790 #endif
2791
2792 #ifndef VK_XBUTTON1
2793 #define VK_XBUTTON1 0x05
2794 #endif
2795
2796 #ifndef VK_XBUTTON2
2797 #define VK_XBUTTON2 0x06
2798 #endif
2799
2800 typedef struct {
2801 UINT javaKey;
2802 UINT windowsKey;
2803 } KeyMapEntry;
2804
2805 // Static table, arranged more or less spatially.
2806 KeyMapEntry keyMapTable[] = {
2807 // Modifier keys
2808 {java_awt_event_KeyEvent_VK_CAPS_LOCK, VK_CAPITAL},
2809 {java_awt_event_KeyEvent_VK_SHIFT, VK_SHIFT},
2810 {java_awt_event_KeyEvent_VK_CONTROL, VK_CONTROL},
2811 {java_awt_event_KeyEvent_VK_ALT, VK_MENU},
2812 {java_awt_event_KeyEvent_VK_ALT_GRAPH, VK_RMENU},
2813 {java_awt_event_KeyEvent_VK_NUM_LOCK, VK_NUMLOCK},
2814
2815 // Miscellaneous Windows keys
2816 {java_awt_event_KeyEvent_VK_WINDOWS, VK_LWIN},
2817 {java_awt_event_KeyEvent_VK_WINDOWS, VK_RWIN},
2818 {java_awt_event_KeyEvent_VK_CONTEXT_MENU, VK_APPS},
2819
2820 // Alphabet
2821 {java_awt_event_KeyEvent_VK_A, 'A'},
2822 {java_awt_event_KeyEvent_VK_B, 'B'},
2823 {java_awt_event_KeyEvent_VK_C, 'C'},
2824 {java_awt_event_KeyEvent_VK_D, 'D'},
2825 {java_awt_event_KeyEvent_VK_E, 'E'},
2826 {java_awt_event_KeyEvent_VK_F, 'F'},
2827 {java_awt_event_KeyEvent_VK_G, 'G'},
2828 {java_awt_event_KeyEvent_VK_H, 'H'},
2829 {java_awt_event_KeyEvent_VK_I, 'I'},
2830 {java_awt_event_KeyEvent_VK_J, 'J'},
2831 {java_awt_event_KeyEvent_VK_K, 'K'},
2832 {java_awt_event_KeyEvent_VK_L, 'L'},
2833 {java_awt_event_KeyEvent_VK_M, 'M'},
2834 {java_awt_event_KeyEvent_VK_N, 'N'},
2835 {java_awt_event_KeyEvent_VK_O, 'O'},
2836 {java_awt_event_KeyEvent_VK_P, 'P'},
2837 {java_awt_event_KeyEvent_VK_Q, 'Q'},
2838 {java_awt_event_KeyEvent_VK_R, 'R'},
2839 {java_awt_event_KeyEvent_VK_S, 'S'},
2840 {java_awt_event_KeyEvent_VK_T, 'T'},
2841 {java_awt_event_KeyEvent_VK_U, 'U'},
2842 {java_awt_event_KeyEvent_VK_V, 'V'},
2843 {java_awt_event_KeyEvent_VK_W, 'W'},
2844 {java_awt_event_KeyEvent_VK_X, 'X'},
2845 {java_awt_event_KeyEvent_VK_Y, 'Y'},
2846 {java_awt_event_KeyEvent_VK_Z, 'Z'},
2847
2848 // Standard numeric row
2849 {java_awt_event_KeyEvent_VK_0, '0'},
2850 {java_awt_event_KeyEvent_VK_1, '1'},
2851 {java_awt_event_KeyEvent_VK_2, '2'},
2852 {java_awt_event_KeyEvent_VK_3, '3'},
2853 {java_awt_event_KeyEvent_VK_4, '4'},
2854 {java_awt_event_KeyEvent_VK_5, '5'},
2855 {java_awt_event_KeyEvent_VK_6, '6'},
2856 {java_awt_event_KeyEvent_VK_7, '7'},
2857 {java_awt_event_KeyEvent_VK_8, '8'},
2858 {java_awt_event_KeyEvent_VK_9, '9'},
2859
2860 // Misc key from main block
2861 {java_awt_event_KeyEvent_VK_ENTER, VK_RETURN},
2862 {java_awt_event_KeyEvent_VK_SPACE, VK_SPACE},
2863 {java_awt_event_KeyEvent_VK_BACK_SPACE, VK_BACK},
2864 {java_awt_event_KeyEvent_VK_TAB, VK_TAB},
2865 {java_awt_event_KeyEvent_VK_ESCAPE, VK_ESCAPE},
2866
2867 // NumPad with NumLock off & extended block (rectangular)
2868 {java_awt_event_KeyEvent_VK_INSERT, VK_INSERT},
2869 {java_awt_event_KeyEvent_VK_DELETE, VK_DELETE},
2870 {java_awt_event_KeyEvent_VK_HOME, VK_HOME},
2871 {java_awt_event_KeyEvent_VK_END, VK_END},
2872 {java_awt_event_KeyEvent_VK_PAGE_UP, VK_PRIOR},
2873 {java_awt_event_KeyEvent_VK_PAGE_DOWN, VK_NEXT},
2874 {java_awt_event_KeyEvent_VK_CLEAR, VK_CLEAR}, // NumPad 5
2875
2876 // NumPad with NumLock off & extended arrows block (triangular)
2877 {java_awt_event_KeyEvent_VK_LEFT, VK_LEFT},
2878 {java_awt_event_KeyEvent_VK_RIGHT, VK_RIGHT},
2879 {java_awt_event_KeyEvent_VK_UP, VK_UP},
2880 {java_awt_event_KeyEvent_VK_DOWN, VK_DOWN},
2881
2882 // NumPad with NumLock on: numbers
2883 {java_awt_event_KeyEvent_VK_NUMPAD0, VK_NUMPAD0},
2884 {java_awt_event_KeyEvent_VK_NUMPAD1, VK_NUMPAD1},
2885 {java_awt_event_KeyEvent_VK_NUMPAD2, VK_NUMPAD2},
2886 {java_awt_event_KeyEvent_VK_NUMPAD3, VK_NUMPAD3},
2887 {java_awt_event_KeyEvent_VK_NUMPAD4, VK_NUMPAD4},
2888 {java_awt_event_KeyEvent_VK_NUMPAD5, VK_NUMPAD5},
2889 {java_awt_event_KeyEvent_VK_NUMPAD6, VK_NUMPAD6},
2890 {java_awt_event_KeyEvent_VK_NUMPAD7, VK_NUMPAD7},
2891 {java_awt_event_KeyEvent_VK_NUMPAD8, VK_NUMPAD8},
2892 {java_awt_event_KeyEvent_VK_NUMPAD9, VK_NUMPAD9},
2893
2894 // NumPad with NumLock on
2895 {java_awt_event_KeyEvent_VK_MULTIPLY, VK_MULTIPLY},
2896 {java_awt_event_KeyEvent_VK_ADD, VK_ADD},
2897 {java_awt_event_KeyEvent_VK_SEPARATOR, VK_SEPARATOR},
2898 {java_awt_event_KeyEvent_VK_SUBTRACT, VK_SUBTRACT},
2899 {java_awt_event_KeyEvent_VK_DECIMAL, VK_DECIMAL},
2900 {java_awt_event_KeyEvent_VK_DIVIDE, VK_DIVIDE},
2901
2902 // Functional keys
2903 {java_awt_event_KeyEvent_VK_F1, VK_F1},
2904 {java_awt_event_KeyEvent_VK_F2, VK_F2},
2905 {java_awt_event_KeyEvent_VK_F3, VK_F3},
2906 {java_awt_event_KeyEvent_VK_F4, VK_F4},
2907 {java_awt_event_KeyEvent_VK_F5, VK_F5},
2908 {java_awt_event_KeyEvent_VK_F6, VK_F6},
2909 {java_awt_event_KeyEvent_VK_F7, VK_F7},
2910 {java_awt_event_KeyEvent_VK_F8, VK_F8},
2911 {java_awt_event_KeyEvent_VK_F9, VK_F9},
2912 {java_awt_event_KeyEvent_VK_F10, VK_F10},
2913 {java_awt_event_KeyEvent_VK_F11, VK_F11},
2914 {java_awt_event_KeyEvent_VK_F12, VK_F12},
2915 {java_awt_event_KeyEvent_VK_F13, VK_F13},
2916 {java_awt_event_KeyEvent_VK_F14, VK_F14},
2917 {java_awt_event_KeyEvent_VK_F15, VK_F15},
2918 {java_awt_event_KeyEvent_VK_F16, VK_F16},
2919 {java_awt_event_KeyEvent_VK_F17, VK_F17},
2920 {java_awt_event_KeyEvent_VK_F18, VK_F18},
2921 {java_awt_event_KeyEvent_VK_F19, VK_F19},
2922 {java_awt_event_KeyEvent_VK_F20, VK_F20},
2923 {java_awt_event_KeyEvent_VK_F21, VK_F21},
2924 {java_awt_event_KeyEvent_VK_F22, VK_F22},
2925 {java_awt_event_KeyEvent_VK_F23, VK_F23},
2926 {java_awt_event_KeyEvent_VK_F24, VK_F24},
2927
2928 {java_awt_event_KeyEvent_VK_PRINTSCREEN, VK_SNAPSHOT},
2929 {java_awt_event_KeyEvent_VK_SCROLL_LOCK, VK_SCROLL},
2930 {java_awt_event_KeyEvent_VK_PAUSE, VK_PAUSE},
2931 {java_awt_event_KeyEvent_VK_CANCEL, VK_CANCEL},
2932 {java_awt_event_KeyEvent_VK_HELP, VK_HELP},
2933
2934 // Japanese
2935 {java_awt_event_KeyEvent_VK_CONVERT, VK_CONVERT},
2936 {java_awt_event_KeyEvent_VK_NONCONVERT, VK_NONCONVERT},
2937 {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI},
2938 {java_awt_event_KeyEvent_VK_ALPHANUMERIC, VK_DBE_ALPHANUMERIC},
2939 {java_awt_event_KeyEvent_VK_KATAKANA, VK_DBE_KATAKANA},
2940 {java_awt_event_KeyEvent_VK_HIRAGANA, VK_DBE_HIRAGANA},
2941 {java_awt_event_KeyEvent_VK_FULL_WIDTH, VK_DBE_DBCSCHAR},
2942 {java_awt_event_KeyEvent_VK_HALF_WIDTH, VK_DBE_SBCSCHAR},
2943 {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN},
2944
2945 {java_awt_event_KeyEvent_VK_UNDEFINED, 0}
2946 };
2947
2948
2949 // Dynamic mapping table for OEM VK codes. This table is refilled
2950 // by BuildDynamicKeyMapTable when keyboard layout is switched.
2951 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values).
2952 struct DynamicKeyMapEntry {
2953 UINT windowsKey; // OEM VK codes known in advance
2954 UINT javaKey; // depends on input langauge (kbd layout)
2955 };
2956
2957 static DynamicKeyMapEntry dynamicKeyMapTable[] = {
2958 {0x00BA, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1
2959 {0x00BB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS
2960 {0x00BC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA
2961 {0x00BD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS
2962 {0x00BE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD
2963 {0x00BF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2
2964 {0x00C0, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3
2965 {0x00DB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4
2966 {0x00DC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5
2967 {0x00DD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6
2968 {0x00DE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7
2969 {0x00DF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8
2970 {0x00E2, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102
2971 {0, 0}
2972 };
2973
2974
2975
2976 // Auxiliary tables used to fill the above dynamic table. We first
2977 // find the character for the OEM VK code using ::MapVirtualKey and
2978 // then go through these auxiliary tables to map it to Java VK code.
2979
2980 struct CharToVKEntry {
2981 WCHAR c;
2982 UINT javaKey;
2983 };
2984
2985 static const CharToVKEntry charToVKTable[] = {
2986 {L'!', java_awt_event_KeyEvent_VK_EXCLAMATION_MARK},
2987 {L'"', java_awt_event_KeyEvent_VK_QUOTEDBL},
2988 {L'#', java_awt_event_KeyEvent_VK_NUMBER_SIGN},
2989 {L'$', java_awt_event_KeyEvent_VK_DOLLAR},
2990 {L'&', java_awt_event_KeyEvent_VK_AMPERSAND},
2991 {L'\'', java_awt_event_KeyEvent_VK_QUOTE},
2992 {L'(', java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS},
2993 {L')', java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS},
2994 {L'*', java_awt_event_KeyEvent_VK_ASTERISK},
2995 {L'+', java_awt_event_KeyEvent_VK_PLUS},
2996 {L',', java_awt_event_KeyEvent_VK_COMMA},
2997 {L'-', java_awt_event_KeyEvent_VK_MINUS},
2998 {L'.', java_awt_event_KeyEvent_VK_PERIOD},
2999 {L'/', java_awt_event_KeyEvent_VK_SLASH},
3000 {L':', java_awt_event_KeyEvent_VK_COLON},
3001 {L';', java_awt_event_KeyEvent_VK_SEMICOLON},
3002 {L'<', java_awt_event_KeyEvent_VK_LESS},
3003 {L'=', java_awt_event_KeyEvent_VK_EQUALS},
3004 {L'>', java_awt_event_KeyEvent_VK_GREATER},
3005 {L'@', java_awt_event_KeyEvent_VK_AT},
3006 {L'[', java_awt_event_KeyEvent_VK_OPEN_BRACKET},
3007 {L'\\', java_awt_event_KeyEvent_VK_BACK_SLASH},
3008 {L']', java_awt_event_KeyEvent_VK_CLOSE_BRACKET},
3009 {L'^', java_awt_event_KeyEvent_VK_CIRCUMFLEX},
3010 {L'_', java_awt_event_KeyEvent_VK_UNDERSCORE},
3011 {L'`', java_awt_event_KeyEvent_VK_BACK_QUOTE},
3012 {L'{', java_awt_event_KeyEvent_VK_BRACELEFT},
3013 {L'}', java_awt_event_KeyEvent_VK_BRACERIGHT},
3014 {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK},
3015 {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ????
3016 {0,0}
3017 };
3018
3019 // For dead accents some layouts return ASCII punctuation, while some
3020 // return spacing accent chars, so both should be listed. NB: MS docs
3021 // say that conversion routings return spacing accent character, not
3022 // combining.
3023 static const CharToVKEntry charToDeadVKTable[] = {
3024 {L'`', java_awt_event_KeyEvent_VK_DEAD_GRAVE},
3025 {L'\'', java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3026 {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3027 {L'^', java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX},
3028 {L'~', java_awt_event_KeyEvent_VK_DEAD_TILDE},
3029 {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE},
3030 {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON},
3031 {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE},
3032 {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT},
3033 {L'"', java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3034 {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3035 {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING},
3036 {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE},
3037 {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON}, // aka hacek
3038 {L',', java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3039 {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3040 {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK},
3041 {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA}, // ASCII ???
3042 {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND},
3043 {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND},
3044 {0x0004, java_awt_event_KeyEvent_VK_COMPOSE},
3045 {0,0}
3046 };
3047
3048 // The full map of the current keyboard state including
3049 // windows virtual key, scancode, java virtual key, and unicode
3050 // for this key sans modifiers.
3051 // All but first element may be 0.
3052 // XXX in the update releases this is an addition to the unchanged existing code
3053 struct DynPrimaryKeymapEntry {
3054 UINT wkey;
3055 UINT scancode;
3056 UINT jkey;
3057 WCHAR unicode;
3058 };
3059
3060 static DynPrimaryKeymapEntry dynPrimaryKeymap[256];
3061
3062 void
3063 AwtComponent::InitDynamicKeyMapTable()
3064 {
3065 static BOOL kbdinited = FALSE;
3066
3067 if (!kbdinited) {
3068 AwtComponent::BuildDynamicKeyMapTable();
3069 // We cannot build it here since JNI is not available yet:
3070 //AwtComponent::BuildPrimaryDynamicTable();
3071 kbdinited = TRUE;
3072 }
3073 }
3074
3075 void
3076 AwtComponent::BuildDynamicKeyMapTable()
3077 {
3078 HKL hkl = GetKeyboardLayout();
3079
3080 DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)",
3081 hkl, AwtComponent::GetCodePage());
3082
3083 // Will need this to reset layout after dead keys.
3084 UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl);
3085
3086 // Entries in dynamic table that maps between Java VK and Windows
3087 // VK are built in three steps:
3088 // 1. Map windows VK to ANSI character (cannot map to unicode
3089 // directly, since ::ToUnicode is not implemented on win9x)
3090 // 2. Convert ANSI char to Unicode char
3091 // 3. Map Unicode char to Java VK via two auxilary tables.
3092
3093 for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable;
3094 dynamic->windowsKey != 0;
3095 ++dynamic)
3096 {
3097 // Defaults to VK_UNDEFINED
3098 dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED;
3099
3100 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3101 AwtToolkit::GetKeyboardState(kbdState);
3102
3103 kbdState[dynamic->windowsKey] |= 0x80; // Press the key.
3104
3105 // Unpress modifiers, since they are most likely pressed as
3106 // part of the keyboard switching shortcut.
3107 kbdState[VK_CONTROL] &= ~0x80;
3108 kbdState[VK_SHIFT] &= ~0x80;
3109 kbdState[VK_MENU] &= ~0x80;
3110
3111 char cbuf[2] = { '\0', '\0'};
3112 UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl);
3113 int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState,
3114 (WORD*)cbuf, 0, hkl);
3115
3116 // Auxiliary table used to map Unicode character to Java VK.
3117 // Will assign a different table for dead keys (below).
3118 const CharToVKEntry *charMap = charToVKTable;
3119
3120 if (nchars < 0) { // Dead key
3121 // Use a different table for dead chars since different layouts
3122 // return different characters for the same dead key.
3123 charMap = charToDeadVKTable;
3124
3125 // We also need to reset layout so that next translation
3126 // is unaffected by the dead status. We do this by
3127 // translating <SPACE> key.
3128 kbdState[dynamic->windowsKey] &= ~0x80;
3129 kbdState[VK_SPACE] |= 0x80;
3130
3131 char junkbuf[2] = { '\0', '\0'};
3132 ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState,
3133 (WORD*)junkbuf, 0, hkl);
3134 }
3135
3136 #ifdef DEBUG
3137 if (nchars == 0) {
3138 DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char",
3139 dynamic->windowsKey);
3140 continue;
3141 }
3142 else if (nchars > 1) { // can't happen, see reset code below
3143 DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>",
3144 dynamic->windowsKey,
3145 (UCHAR)cbuf[0], (UCHAR)cbuf[1]);
3146 continue;
3147 }
3148 #endif
3149
3150 WCHAR ucbuf[2] = { L'\0', L'\0' };
3151 int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0,
3152 cbuf, 1, ucbuf, 2);
3153 #ifdef DEBUG
3154 if (nconverted < 0) {
3155 DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)",
3156 dynamic->windowsKey, (UCHAR)cbuf[0],
3157 ::GetLastError());
3158 continue;
3159 }
3160 #endif
3161
3162 WCHAR uc = ucbuf[0];
3163 for (const CharToVKEntry *map = charMap; map->c != 0; ++map) {
3164 if (uc == map->c) {
3165 dynamic->javaKey = map->javaKey;
3166 break;
3167 }
3168 }
3169
3170 DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X",
3171 dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0],
3172 dynamic->javaKey);
3173 } // for each VK_OEM_*
3174 }
3175
3176
3177 static BOOL isKanaLockAvailable()
3178 {
3179 // This method is to determine whether the Kana Lock feature is
3180 // available on the attached keyboard. Kana Lock feature does not
3181 // necessarily require that the real KANA keytop is available on
3182 // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing.
3183 // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :-
3184 //
3185 // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL)
3186 // - the keyboard is Japanese keyboard (keyboard type == 7).
3187 return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT))
3188 && (GetKeyboardType(0) == 7);
3189 }
3190
3191 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey,
3192 UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey)
3193 {
3194 // Handle the few cases where a Java VK code corresponds to a Windows
3195 // key/modifier combination or applies only to specific keyboard layouts
3196 switch (javaKey) {
3197 case java_awt_event_KeyEvent_VK_ALL_CANDIDATES:
3198 *windowsKey = VK_CONVERT;
3199 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3200 return;
3201 case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE:
3202 *windowsKey = VK_CONVERT;
3203 *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3204 return;
3205 case java_awt_event_KeyEvent_VK_CODE_INPUT:
3206 *windowsKey = VK_DBE_ALPHANUMERIC;
3207 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3208 return;
3209 case java_awt_event_KeyEvent_VK_KANA_LOCK:
3210 if (isKanaLockAvailable()) {
3211 *windowsKey = VK_KANA;
3212 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK;
3213 return;
3214 }
3215 }
3216
3217 // for the general case, use a bi-directional table
3218 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3219 if (keyMapTable[i].javaKey == javaKey) {
3220 *windowsKey = keyMapTable[i].windowsKey;
3221 *modifiers = 0;
3222 return;
3223 }
3224 }
3225
3226 // Bug 4766655
3227 // Two Windows keys could map to the same Java key, so
3228 // give preference to the originalWindowsKey if it is
3229 // specified (not IGNORE_KEY).
3230 if (originalWindowsKey == IGNORE_KEY) {
3231 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3232 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3233 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3234 *modifiers = 0;
3235 return;
3236 }
3237 }
3238 } else {
3239 BOOL found = false;
3240 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3241 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3242 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3243 *modifiers = 0;
3244 found = true;
3245 if (*windowsKey == originalWindowsKey) {
3246 return; /* if ideal case found return, else keep looking */
3247 }
3248 }
3249 }
3250 if (found) {
3251 return;
3252 }
3253 }
3254
3255 *windowsKey = 0;
3256 *modifiers = 0;
3257 return;
3258 }
3259
3260 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey)
3261
3262 {
3263 // Handle the few cases where we need to take the modifier into
3264 // consideration for the Java VK code or where we have to take the keyboard
3265 // layout into consideration so that function keys can get
3266 // recognized in a platform-independent way.
3267 switch (windowsKey) {
3268 case VK_CONVERT:
3269 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3270 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES;
3271 }
3272 if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) {
3273 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE;
3274 }
3275 break;
3276 case VK_DBE_ALPHANUMERIC:
3277 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3278 return java_awt_event_KeyEvent_VK_CODE_INPUT;
3279 }
3280 break;
3281 case VK_KANA:
3282 if (isKanaLockAvailable()) {
3283 return java_awt_event_KeyEvent_VK_KANA_LOCK;
3284 }
3285 break;
3286 };
3287
3288 // check dead key
3289 if (isDeadKey) {
3290 for (int i = 0; charToDeadVKTable[i].c != 0; i++) {
3291 if (charToDeadVKTable[i].c == character) {
3292 return charToDeadVKTable[i].javaKey;
3293 }
3294 }
3295 }
3296
3297 // for the general case, use a bi-directional table
3298 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3299 if (keyMapTable[i].windowsKey == windowsKey) {
3300 return keyMapTable[i].javaKey;
3301 }
3302 }
3303
3304 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3305 if (dynamicKeyMapTable[j].windowsKey == windowsKey) {
3306 if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) {
3307 return dynamicKeyMapTable[j].javaKey;
3308 }else{
3309 break;
3310 }
3311 }
3312 }
3313
3314 return java_awt_event_KeyEvent_VK_UNDEFINED;
3315 }
3316
3317 BOOL AwtComponent::IsNavigationKey(UINT wkey) {
3318 switch (wkey) {
3319 case VK_END:
3320 case VK_PRIOR: // PageUp
3321 case VK_NEXT: // PageDown
3322 case VK_HOME:
3323 case VK_LEFT:
3324 case VK_UP:
3325 case VK_RIGHT:
3326 case VK_DOWN:
3327 return TRUE;
3328 }
3329 return FALSE;
3330 }
3331
3332 // determine if a key is a numpad key (distinguishes the numpad
3333 // arrow keys from the non-numpad arrow keys, for example).
3334 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended)
3335 {
3336 // Note: scancodes are the same for the numpad arrow keys and
3337 // the non-numpad arrow keys (also for PageUp, etc.).
3338 // The scancodes for the numpad divide and the non-numpad slash
3339 // are the same, but the wparams are different
3340
3341 DTRACE_PRINTLN3("AwtComponent::IsNumPadKey vkey = %d = 0x%x extended = %d",
3342 vkey, vkey, extended);
3343
3344 switch (vkey) {
3345 case VK_CLEAR: // numpad 5 with numlock off
3346 case VK_NUMPAD0:
3347 case VK_NUMPAD1:
3348 case VK_NUMPAD2:
3349 case VK_NUMPAD3:
3350 case VK_NUMPAD4:
3351 case VK_NUMPAD5:
3352 case VK_NUMPAD6:
3353 case VK_NUMPAD7:
3354 case VK_NUMPAD8:
3355 case VK_NUMPAD9:
3356 case VK_MULTIPLY:
3357 case VK_ADD:
3358 case VK_SEPARATOR: // numpad , not on US kbds
3359 case VK_SUBTRACT:
3360 case VK_DECIMAL:
3361 case VK_DIVIDE:
3362 case VK_NUMLOCK:
3363 return TRUE;
3364 break;
3365 case VK_END:
3366 case VK_PRIOR: // PageUp
3367 case VK_NEXT: // PageDown
3368 case VK_HOME:
3369 case VK_LEFT:
3370 case VK_UP:
3371 case VK_RIGHT:
3372 case VK_DOWN:
3373 case VK_INSERT:
3374 case VK_DELETE:
3375 // extended if non-numpad
3376 return (!extended);
3377 break;
3378 case VK_RETURN: // extended if on numpad
3379 return (extended);
3380 break;
3381 default:
3382 break;
3383 }
3384
3385 return FALSE;
3386 }
3387 static void
3388 resetKbdState( BYTE kstate[256]) {
3389 BYTE tmpState[256];
3390 WCHAR wc[2];
3391 memmove(tmpState, kstate, sizeof(kstate));
3392 tmpState[VK_SHIFT] = 0;
3393 tmpState[VK_CONTROL] = 0;
3394 tmpState[VK_MENU] = 0;
3395
3396 ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0, GetKeyboardLayout(0));
3397 }
3398
3399 // XXX in the update releases this is an addition to the unchanged existing code
3400 // After the call, a table will have a unicode associated with a windows virtual keycode
3401 // sans modifiers. With some further simplification, one can
3402 // derive java keycode from it, and anyway we will pass this unicode value
3403 // all the way up in a comment to a KeyEvent.
3404 void
3405 AwtComponent::BuildPrimaryDynamicTable() {
3406 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3407 // XXX: how about that?
3408 //CriticalSection::Lock l(GetLock());
3409 //if (GetPeer(env) == NULL) {
3410 // /* event received during termination. */
3411 // return;
3412 //}
3413
3414 HKL hkl = GetKeyboardLayout();
3415 UINT sc = 0;
3416 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3417 memset(kbdState, 0, sizeof (kbdState));
3418
3419 // Use JNI call to obtain java key code. We should keep a list
3420 // of currently available keycodes in a single place.
3421 static jclass extKeyCodesCls;
3422 if( extKeyCodesCls == NULL) {
3423 jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes");
3424 DASSERT(extKeyCodesClsLocal);
3425 CHECK_NULL(extKeyCodesClsLocal);
3426 extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal);
3427 env->DeleteLocalRef(extKeyCodesClsLocal);
3428 }
3429 static jmethodID getExtendedKeyCodeForChar;
3430 if (getExtendedKeyCodeForChar == NULL) {
3431 getExtendedKeyCodeForChar =
3432 env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I");
3433 DASSERT(getExtendedKeyCodeForChar);
3434 CHECK_NULL(getExtendedKeyCodeForChar);
3435 }
3436 jint extJKC; //extended Java key code
3437
3438 for (UINT i = 0; i < 256; i++) {
3439 dynPrimaryKeymap[i].wkey = i;
3440 dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED;
3441 dynPrimaryKeymap[i].unicode = 0;
3442
3443 if ((sc = MapVirtualKey (i, 0)) == 0) {
3444 dynPrimaryKeymap[i].scancode = 0;
3445 continue;
3446 }
3447 dynPrimaryKeymap[i].scancode = sc;
3448
3449 // XXX process cases like VK_SHIFT etc.
3450 kbdState[i] = 0x80; // "key pressed".
3451 WCHAR wc[16];
3452 int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl);
3453 if (k == 1) {
3454 // unicode
3455 dynPrimaryKeymap[i].unicode = wc[0];
3456 if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3457 // Convert unicode to java keycode.
3458 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000);
3459 //
3460 //XXX If this key in on the keypad, we should force a special value equal to
3461 //XXX an old java keycode: but how to say if it is a keypad key?
3462 //XXX We'll do it in WmKeyUp/Down.
3463 extJKC = env->CallStaticIntMethod(extKeyCodesCls,
3464 getExtendedKeyCodeForChar, (jint)(wc[0]));
3465 dynPrimaryKeymap[i].jkey = extJKC;
3466 }
3467 }else if (k == -1) {
3468 // dead key: use charToDeadVKTable
3469 dynPrimaryKeymap[i].unicode = wc[0];
3470 resetKbdState( kbdState );
3471 for (const CharToVKEntry *map = charToDeadVKTable; map->c != 0; ++map) {
3472 if (wc[0] == map->c) {
3473 dynPrimaryKeymap[i].jkey = map->javaKey;
3474 break;
3475 }
3476 }
3477 } else if (k == 0) {
3478 // reset
3479 resetKbdState( kbdState );
3480 }else {
3481 // k > 1: this key does generate multiple characters. Ignore it.
3482 // An example: Arabic Lam and Alef ligature.
3483 // There will be no extended keycode and thus shortcuts for this key.
3484 // XXX shouldn't we reset the kbd state?
3485 #ifdef DEBUG
3486 DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i);
3487 #endif
3488 }
3489 kbdState[i] = 0; // "key unpressed"
3490 }
3491 }
3492 void
3493 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers)
3494 {
3495 if( wkey && wkey < 256 ) {
3496 if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) {
3497 // At the creation time,
3498 // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /"
3499 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3500 }
3501 if(dynPrimaryKeymap[wkey].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3502 // E.g. it is non-unicode key
3503 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3504 }
3505 }
3506 }
3507
3508 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey)
3509 {
3510 static Hashtable transTable("VKEY translations");
3511 static Hashtable deadKeyFlagTable("Dead Key Flags");
3512 isDeadKey = FALSE;
3513
3514 // Try to translate using last saved translation
3515 if (ops == LOAD) {
3516 void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3517 void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3518 if (value != NULL) {
3519 isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag));
3520 return static_cast<UINT>(reinterpret_cast<INT_PTR>(value));
3521 }
3522 }
3523
3524 // If the windows key is a return, wkey will equal 13 ('\r')
3525 // In this case, we want to return 10 ('\n')
3526 // Since ToAscii would convert VK_RETURN to '\r', we need
3527 // to have a special case here.
3528 if (wkey == VK_RETURN)
3529 return '\n';
3530
3531 // high order bit in keyboardState indicates whether the key is down
3532 static const BYTE KEY_STATE_DOWN = 0x80;
3533 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
3534 AwtToolkit::GetKeyboardState(keyboardState);
3535
3536 // apply modifiers to keyboard state if necessary
3537 BOOL shiftIsDown = FALSE;
3538 if (modifiers) {
3539 shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3540 BOOL altIsDown = modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK;
3541 BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK;
3542
3543 // Windows treats AltGr as Ctrl+Alt
3544 if (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK) {
3545 altIsDown = TRUE;
3546 ctrlIsDown = TRUE;
3547 }
3548
3549 if (shiftIsDown) {
3550 keyboardState[VK_SHIFT] |= KEY_STATE_DOWN;
3551 }
3552
3553 // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715)
3554 // Here we try to resolve a conflict with ::ToAsciiEx's translating
3555 // ALT+number key combinations. kdm@sarc.spb.su
3556 // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail.
3557 if( IsNavigationKey(wkey) ) {
3558 keyboardState[VK_MENU] &= ~KEY_STATE_DOWN;
3559 }
3560
3561 if (ctrlIsDown)
3562 {
3563 if (altIsDown) {
3564 // bugid 4215009: don't mess with AltGr == Ctrl + Alt
3565 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3566 }
3567 else {
3568 // bugid 4098210: old event model doesn't have KEY_TYPED
3569 // events, so try to provide a meaningful character for
3570 // Ctrl+<key>. Take Ctrl into account only when we know
3571 // that Ctrl+<key> will be an ASCII control. Ignore by
3572 // default.
3573 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN;
3574
3575 // Letters have Ctrl+<letter> counterparts. According to
3576 // <winuser.h> VK_A through VK_Z are the same as ASCII
3577 // 'A' through 'Z'.
3578 if (wkey >= 'A' && wkey <= 'Z') {
3579 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3580 }
3581 else {
3582 // Non-letter controls 033 to 037 are:
3583 // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US)
3584
3585 // Shift state bits returned by ::VkKeyScan in HIBYTE
3586 static const UINT _VKS_SHIFT_MASK = 0x01;
3587 static const UINT _VKS_CTRL_MASK = 0x02;
3588 static const UINT _VKS_ALT_MASK = 0x04;
3589
3590 // Check to see whether there is a meaningful translation
3591 TCHAR ch;
3592 short vk;
3593 for (ch = _T('\033'); ch < _T('\040'); ch++) {
3594 vk = ::VkKeyScan(ch);
3595 if (wkey == LOBYTE(vk)) {
3596 UINT shiftState = HIBYTE(vk);
3597 if ((shiftState & _VKS_CTRL_MASK) ||
3598 (!(shiftState & _VKS_SHIFT_MASK)
3599 == !shiftIsDown))
3600 {
3601 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3602 }
3603 break;
3604 }
3605 }
3606 }
3607 } // ctrlIsDown && altIsDown
3608 } // ctrlIsDown
3609 } // modifiers
3610
3611 WORD wChar[2];
3612 int converted = 1;
3613 UINT ch = ::MapVirtualKeyEx(wkey, 2, GetKeyboardLayout());
3614 if (ch & 0x80000000) {
3615 // Dead key which is handled as a normal key
3616 isDeadKey = deadKeyActive = TRUE;
3617 } else if (deadKeyActive) {
3618 // We cannot use ::ToUnicodeEx if dead key is active because this will
3619 // break dead key function
3620 wChar[0] = shiftIsDown ? ch : tolower(ch);
3621 } else {
3622 UINT scancode = ::MapVirtualKey(wkey, 0);
3623 converted = ::ToUnicodeEx(wkey, scancode, keyboardState,
3624 wChar, 2, 0, GetKeyboardLayout());
3625 }
3626
3627 UINT translation;
3628 BOOL deadKeyFlag = (converted == 2);
3629
3630 // Dead Key
3631 if (converted < 0 || isDeadKey) {
3632 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3633 } else
3634 // No translation available -- try known conversions or else punt.
3635 if (converted == 0) {
3636 if (wkey == VK_DELETE) {
3637 translation = '\177';
3638 } else
3639 if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) {
3640 translation = '0' + wkey - VK_NUMPAD0;
3641 } else {
3642 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3643 }
3644 } else
3645 // the caller expects a Unicode character.
3646 if (converted > 0) {
3647 translation = wChar[0];
3648 }
3649 if (ops == SAVE) {
3650 transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3651 reinterpret_cast<void*>(static_cast<INT_PTR>(translation)));
3652 if (deadKeyFlag) {
3653 deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3654 reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag)));
3655 } else {
3656 deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3657 }
3658 }
3659
3660 isDeadKey = deadKeyFlag;
3661 return translation;
3662 }
3663
3664 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt,
3665 UINT flags, BOOL system)
3666 {
3667 // VK_PROCESSKEY is a special value which means
3668 // "Current IME wants to consume this KeyEvent"
3669 // Real key code is saved by IMM32.DLL and can be retrieved by
3670 // calling ImmGetVirtualKey();
3671 if (wkey == VK_PROCESSKEY) {
3672 return mrDoDefault;
3673 }
3674 MSG msg;
3675 InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN),
3676 wkey, MAKELPARAM(repCnt, flags));
3677
3678 UINT modifiers = GetJavaModifiers();
3679 jint keyLocation = GetKeyLocation(wkey, flags);
3680 BOOL isDeadKey = FALSE;
3681 UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey);
3682 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3683 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3684
3685
3686 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED,
3687 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3688 modifiers, keyLocation, (jlong)wkey, &msg);
3689
3690 // bugid 4724007: Windows does not create a WM_CHAR for the Del key
3691 // for some reason, so we need to create the KEY_TYPED event on the
3692 // WM_KEYDOWN. Use null msg so the character doesn't get sent back
3693 // to the native window for processing (this event is synthesized
3694 // for Java - we don't want Windows trying to process it).
3695 if (jkey == java_awt_event_KeyEvent_VK_DELETE) {
3696 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3697 ::JVM_CurrentTimeMillis(NULL, 0),
3698 java_awt_event_KeyEvent_VK_UNDEFINED,
3699 character, modifiers,
3700 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0);
3701 }
3702
3703 return mrConsume;
3704 }
3705
3706 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt,
3707 UINT flags, BOOL system)
3708 {
3709
3710 // VK_PROCESSKEY is a special value which means
3711 // "Current IME wants to consume this KeyEvent"
3712 // Real key code is saved by IMM32.DLL and can be retrieved by
3713 // calling ImmGetVirtualKey();
3714 if (wkey == VK_PROCESSKEY) {
3715 return mrDoDefault;
3716 }
3717 MSG msg;
3718 InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP),
3719 wkey, MAKELPARAM(repCnt, flags));
3720
3721 UINT modifiers = GetJavaModifiers();
3722 jint keyLocation = GetKeyLocation(wkey, flags);
3723 BOOL isDeadKey = FALSE;
3724 UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey);
3725 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3726 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3727
3728 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED,
3729 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3730 modifiers, keyLocation, (jlong)wkey, &msg);
3731 return mrConsume;
3732 }
3733
3734 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout)
3735 {
3736 // Normally we would be able to use charset and TranslateCharSetInfo
3737 // to get a code page that should be associated with this keyboard
3738 // layout change. However, there seems to be an NT 4.0 bug associated
3739 // with the WM_INPUTLANGCHANGE message, which makes the charset parameter
3740 // unreliable, especially on Asian systems. Our workaround uses the
3741 // keyboard layout handle instead.
3742 m_hkl = hKeyboardLayout;
3743 m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID
3744 m_CodePage = LangToCodePage(m_idLang);
3745 BuildDynamicKeyMapTable(); // compute new mappings for VK_OEM
3746 BuildPrimaryDynamicTable();
3747 return mrConsume; // do not propagate to children
3748 }
3749
3750 // Convert Language ID to CodePage
3751 UINT AwtComponent::LangToCodePage(LANGID idLang)
3752 {
3753 TCHAR strCodePage[MAX_ACP_STR_LEN];
3754 // use the LANGID to create a LCID
3755 LCID idLocale = MAKELCID(idLang, SORT_DEFAULT);
3756 // get the ANSI code page associated with this locale
3757 if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 )
3758 return _ttoi(strCodePage);
3759 else
3760 return GetACP();
3761 }
3762
3763
3764 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system)
3765 {
3766 // We will simply create Java events here.
3767 WCHAR unicodeChar = character;
3768 MSG msg;
3769 InitMessage(&msg, WM_IME_CHAR, character,
3770 MAKELPARAM(repCnt, flags));
3771
3772 jint modifiers = GetJavaModifiers();
3773 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3774 ::JVM_CurrentTimeMillis(NULL, 0),
3775 java_awt_event_KeyEvent_VK_UNDEFINED,
3776 unicodeChar, modifiers,
3777 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3778 &msg);
3779 return mrConsume;
3780 }
3781
3782 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags,
3783 BOOL system)
3784 {
3785 deadKeyActive = FALSE;
3786
3787 // Will only get WmChar messages with DBCS if we create them for
3788 // an Edit class in the WmForwardChar method. These synthesized
3789 // DBCS chars are ok to pass on directly to the default window
3790 // procedure. They've already been filtered through the Java key
3791 // event queue. We will never get the trail byte since the edit
3792 // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR,
3793 // PM_REMOVE). I would like to be able to pass this character off
3794 // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to
3795 // like that.
3796
3797 // We will simply create Java events here.
3798 UINT message = system ? WM_SYSCHAR : WM_CHAR;
3799
3800 // The Alt modifier is reported in the 29th bit of the lParam,
3801 // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)).
3802 bool alt_is_down = (flags & (1<<13)) != 0;
3803
3804 // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu
3805 // We should not pass this particular combination to Java.
3806
3807 if (system && alt_is_down) {
3808 if (character == VK_SPACE) {
3809 return mrDoDefault;
3810 }
3811 }
3812
3813 // If this is a WM_CHAR (non-system) message, then the Alt flag
3814 // indicates that the character was typed using an AltGr key
3815 // (which Windows treats as Ctrl+Alt), so in this case we do NOT
3816 // pass the Ctrl and Alt modifiers to Java, but instead we
3817 // replace them with Java's AltGraph modifier. Note: the AltGraph
3818 // modifier does not exist in 1.1.x releases.
3819 jint modifiers = GetJavaModifiers();
3820 if (!system && alt_is_down) {
3821 // character typed with AltGraph
3822 modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK
3823 | java_awt_event_InputEvent_CTRL_DOWN_MASK);
3824 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
3825 }
3826
3827 WCHAR unicodeChar = character;
3828
3829 // Kludge: Combine pending single byte with this char for some Chinese IMEs
3830 if (m_PendingLeadByte != 0) {
3831 character = (m_PendingLeadByte & 0x00ff) | (character << 8);
3832 m_PendingLeadByte = 0;
3833 ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2,
3834 &unicodeChar, 1);
3835 }
3836
3837 if (unicodeChar == VK_RETURN) {
3838 // Enter key generates \r in windows, but \n is required in java
3839 unicodeChar = java_awt_event_KeyEvent_VK_ENTER;
3840 }
3841 MSG msg;
3842 InitMessage(&msg, message, character,
3843 MAKELPARAM(repCnt, flags));
3844 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3845 ::JVM_CurrentTimeMillis(NULL, 0),
3846 java_awt_event_KeyEvent_VK_UNDEFINED,
3847 unicodeChar, modifiers,
3848 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3849 &msg);
3850 return mrConsume;
3851 }
3852
3853 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam,
3854 BOOL synthetic)
3855 {
3856 // just post WM_CHAR with unicode key value
3857 DefWindowProc(WM_CHAR, (WPARAM)character, lParam);
3858 return mrConsume;
3859 }
3860
3861 MsgRouting AwtComponent::WmPaste()
3862 {
3863 return mrDoDefault;
3864 }
3865
3866 // support IME Composition messages
3867 void AwtComponent::SetCompositionWindow(RECT& r)
3868 {
3869 HWND hwnd = ImmGetHWnd();
3870 HIMC hIMC = ImmGetContext(hwnd);
3871 if (hIMC == NULL) {
3872 return;
3873 }
3874 COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}};
3875 ImmSetCompositionWindow(hIMC, &cf);
3876 ImmReleaseContext(hwnd, hIMC);
3877 }
3878
3879 void AwtComponent::OpenCandidateWindow(int x, int y)
3880 {
3881 UINT bits = 1;
3882 POINT p = {0, 0}; // upper left corner of the client area
3883 HWND hWnd = GetHWnd();
3884 if (!::IsWindowVisible(hWnd)) {
3885 return;
3886 }
3887 HWND hTop = GetTopLevelParentForWindow(hWnd);
3888 ::ClientToScreen(hTop, &p);
3889 if (!m_bitsCandType) {
3890 SetCandidateWindow(m_bitsCandType, x - p.x, y - p.y);
3891 return;
3892 }
3893 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) {
3894 if ( m_bitsCandType & bits )
3895 SetCandidateWindow(iCandType, x - p.x, y - p.y);
3896 }
3897 }
3898
3899 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3900 {
3901 HWND hwnd = ImmGetHWnd();
3902 HIMC hIMC = ImmGetContext(hwnd);
3903 if (hIMC) {
3904 CANDIDATEFORM cf;
3905 cf.dwStyle = CFS_POINT;
3906 ImmGetCandidateWindow(hIMC, 0, &cf);
3907 if (x != cf.ptCurrentPos.x || y != cf.ptCurrentPos.y) {
3908 cf.dwIndex = iCandType;
3909 cf.dwStyle = CFS_POINT;
3910 cf.ptCurrentPos = {x, y};
3911 cf.rcArea = {0, 0, 0, 0};
3912 ImmSetCandidateWindow(hIMC, &cf);
3913 }
3914 COMPOSITIONFORM cfr;
3915 cfr.dwStyle = CFS_POINT;
3916 ImmGetCompositionWindow(hIMC, &cfr);
3917 if (x != cfr.ptCurrentPos.x || y != cfr.ptCurrentPos.y) {
3918 cfr.dwStyle = CFS_POINT;
3919 cfr.ptCurrentPos = {x, y};
3920 cfr.rcArea = {0, 0, 0, 0};
3921 ImmSetCompositionWindow(hIMC, &cfr);
3922 }
3923 ImmReleaseContext(hwnd, hIMC);
3924 }
3925 }
3926
3927 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3928 {
3929 // If the Windows input context is disabled, do not let Windows
3930 // display any UIs.
3931 HWND hwnd = ImmGetHWnd();
3932 HIMC hIMC = ImmGetContext(hwnd);
3933 if (hIMC == NULL) {
3934 *lplParam = 0;
3935 return mrDoDefault;
3936 }
3937 ImmReleaseContext(hwnd, hIMC);
3938
3939 if (fSet) {
3940 LPARAM lParam = *lplParam;
3941 if (!m_useNativeCompWindow) {
3942 // stop to draw native composing window.
3943 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3944 }
3945 }
3946 return mrDoDefault;
3947 }
3948
3949 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3950 {
3951 if (!m_useNativeCompWindow) {
3952 if (subMsg == IMN_OPENCANDIDATE || subMsg == IMN_CHANGECANDIDATE) {
3953 m_bitsCandType = bitsCandType;
3954 InquireCandidatePosition();
3955 } else if (subMsg == IMN_OPENSTATUSWINDOW ||
3956 subMsg == WM_IME_STARTCOMPOSITION ||
3957 subMsg == IMN_SETCANDIDATEPOS) {
3958 InquireCandidatePosition();
3959 }
3960 }
3961 return mrDoDefault;
3962 }
3963
3964 MsgRouting AwtComponent::WmImeStartComposition()
3965 {
3966 if (m_useNativeCompWindow) {
3967 RECT rc;
3968 ::GetClientRect(GetHWnd(), &rc);
3969 SetCompositionWindow(rc);
3970 return mrDoDefault;
3971 } else
3972 return mrConsume;
3973 }
3974
3975 MsgRouting AwtComponent::WmImeEndComposition()
3976 {
3977 if (m_useNativeCompWindow) return mrDoDefault;
3978
3979 SendInputMethodEvent(
3980 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3981 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3982 return mrConsume;
3983 }
3984
3985 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3986 {
3987 if (m_useNativeCompWindow) return mrDoDefault;
3988
3989 int* bndClauseW = NULL;
3990 jstring* readingClauseW = NULL;
3991 int* bndAttrW = NULL;
3992 BYTE* valAttrW = NULL;
3993 int cClauseW = 0;
3994 AwtInputTextInfor* textInfor = NULL;
3995
3996 try {
3997 HWND hwnd = ImmGetHWnd();
3998 HIMC hIMC = ImmGetContext(hwnd);
3999 DASSERT(hIMC!=0);
4000
4001 textInfor = new AwtInputTextInfor;
4002 textInfor->GetContextData(hIMC, flags);
4003 ImmReleaseContext(hwnd, hIMC);
4004
4005 jstring jtextString = textInfor->GetText();
4006 /* The conditions to send the input method event to AWT EDT are:
4007 1. Whenever there is a composition message sent regarding whether
4008 the composition text is NULL or not. See details at bug 6222692.
4009 2. When there is a committed message sent, in which case, we have to
4010 check whether the committed string is NULL or not. If the committed string
4011 is NULL, there is no need to send any input method event.
4012 (Minor note: 'jtextString' returned is the merged string in the case of
4013 partial commit.)
4014 */
4015 if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
4016 (flags & GCS_COMPSTR)) {
4017 int cursorPosW = textInfor->GetCursorPosition();
4018 // In order not to delete the readingClauseW in the catch clause,
4019 // calling GetAttributeInfor before GetClauseInfor.
4020 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
4021 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
4022
4023 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
4024 the event to AWT EDT.
4025
4026 The last two paremeters are set to equal since we don't have recommendations for
4027 the visible position within the current composed text. See details at
4028 java.awt.event.InputMethodEvent.
4029 */
4030 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
4031 jtextString,
4032 cClauseW, bndClauseW, readingClauseW,
4033 cAttrW, bndAttrW, valAttrW,
4034 textInfor->GetCommittedTextLength(),
4035 cursorPosW, cursorPosW);
4036 }
4037 } catch (...) {
4038 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
4039 // the pointer here.
4040 delete [] bndClauseW;
4041 delete [] readingClauseW;
4042 delete [] bndAttrW;
4043 delete [] valAttrW;
4044 throw;
4045 }
4046
4047 /* Free the storage allocated. Since jtextString won't be passed from threads
4048 * to threads, we just use the local ref and it will be deleted within the destructor
4049 * of AwtInputTextInfor object.
4050 */
4051 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4052 if (cClauseW && readingClauseW) {
4053 for (int i = 0; i < cClauseW; i ++) {
4054 if (readingClauseW[i]) {
4055 env->DeleteLocalRef(readingClauseW[i]);
4056 }
4057 }
4058 }
4059 delete [] bndClauseW;
4060 delete [] readingClauseW;
4061 delete [] bndAttrW;
4062 delete [] valAttrW;
4063 delete textInfor;
4064
4065 return mrConsume;
4066 }
4067
4068 //
4069 // generate and post InputMethodEvent
4070 //
4071 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
4072 int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
4073 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
4074 int commitedTextLength, int caretPos, int visiblePos)
4075 {
4076 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4077
4078 // assumption for array type casting
4079 DASSERT(sizeof(int)==sizeof(jint));
4080 DASSERT(sizeof(BYTE)==sizeof(jbyte));
4081
4082 // caluse information
4083 jintArray clauseBoundary = NULL;
4084 jobjectArray clauseReading = NULL;
4085 if (cClause && rgClauseBoundary && rgClauseReading) {
4086 // convert clause boundary offset array to java array
4087 clauseBoundary = env->NewIntArray(cClause+1);
4088 DASSERT(clauseBoundary);
4089 CHECK_NULL(clauseBoundary);
4090 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
4091 DASSERT(!safe_ExceptionOccurred(env));
4092
4093 // convert clause reading string array to java array
4094 jclass stringCls = JNU_ClassString(env);
4095 DASSERT(stringCls);
4096 CHECK_NULL(stringCls);
4097 clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
4098 DASSERT(clauseReading);
4099 CHECK_NULL(clauseReading);
4100 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
4101 DASSERT(!safe_ExceptionOccurred(env));
4102 }
4103
4104
4105 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
4106 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
4107 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
4108 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
4109 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
4110 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
4111
4112 // attribute information
4113 jintArray attrBoundary = NULL;
4114 jbyteArray attrValue = NULL;
4115 if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
4116 // convert attribute boundary offset array to java array
4117 attrBoundary = env->NewIntArray(cAttrBlock+1);
4118 DASSERT(attrBoundary);
4119 CHECK_NULL(attrBoundary);
4120 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
4121 DASSERT(!safe_ExceptionOccurred(env));
4122
4123 // convert attribute value byte array to java array
4124 attrValue = env->NewByteArray(cAttrBlock);
4125 DASSERT(attrValue);
4126 CHECK_NULL(attrValue);
4127 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
4128 DASSERT(!safe_ExceptionOccurred(env));
4129 }
4130
4131
4132 // get global reference of WInputMethod class (run only once)
4133 static jclass wInputMethodCls = NULL;
4134 if (wInputMethodCls == NULL) {
4135 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4136 DASSERT(wInputMethodClsLocal);
4137 CHECK_NULL(wInputMethodClsLocal);
4138 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4139 env->DeleteLocalRef(wInputMethodClsLocal);
4140 }
4141
4142 // get method ID of sendInputMethodEvent() (run only once)
4143 static jmethodID sendIMEventMid = 0;
4144 if (sendIMEventMid == 0) {
4145 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
4146 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
4147 DASSERT(sendIMEventMid);
4148 CHECK_NULL(sendIMEventMid);
4149 }
4150
4151 // call m_InputMethod.sendInputMethod()
4152 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0),
4153 text, clauseBoundary, clauseReading, attrBoundary,
4154 attrValue, commitedTextLength, caretPos, visiblePos);
4155 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4156 DASSERT(!safe_ExceptionOccurred(env));
4157
4158 }
4159
4160
4161
4162 //
4163 // Inquires candidate position according to the composed text
4164 //
4165 void AwtComponent::InquireCandidatePosition()
4166 {
4167 if (!::IsWindowVisible(GetHWnd())) {
4168 return;
4169 }
4170 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4171
4172 // get global reference of WInputMethod class (run only once)
4173 static jclass wInputMethodCls = NULL;
4174 if (wInputMethodCls == NULL) {
4175 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4176 DASSERT(wInputMethodClsLocal);
4177 CHECK_NULL(wInputMethodClsLocal);
4178 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4179 env->DeleteLocalRef(wInputMethodClsLocal);
4180 }
4181
4182 // get method ID of sendInputMethodEvent() (run only once)
4183 static jmethodID inqCandPosMid = 0;
4184 if (inqCandPosMid == 0) {
4185 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4186 DASSERT(!safe_ExceptionOccurred(env));
4187 DASSERT(inqCandPosMid);
4188 CHECK_NULL(inqCandPosMid);
4189 }
4190
4191 // call m_InputMethod.sendInputMethod()
4192 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4193 DASSERT(!safe_ExceptionOccurred(env));
4194 }
4195
4196 HWND AwtComponent::ImmGetHWnd()
4197 {
4198 HWND proxy = GetProxyFocusOwner();
4199 return (proxy != NULL) ? proxy : GetHWnd();
4200 }
4201
4202 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4203 {
4204 return ::ImmAssociateContext(ImmGetHWnd(), himc);
4205 }
4206
4207 HWND AwtComponent::GetProxyFocusOwner()
4208 {
4209 AwtWindow *window = GetContainer();
4210 if (window != 0) {
4211 AwtFrame *owner = window->GetOwningFrameOrDialog();
4212 if (owner != 0) {
4213 return owner->GetProxyFocusOwner();
4214 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4215 return ((AwtFrame*)window)->GetProxyFocusOwner();
4216 }
4217 }
4218 return (HWND)NULL;
4219 }
4220
4221 /* Redirects message to the focus proxy, if any */
4222 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4223 LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4224 {
4225 if (mr != mrConsume) {
4226 HWND proxy = GetProxyFocusOwner();
4227 if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4228 retVal = ::DefWindowProc(proxy, message, wParam, lParam);
4229 mr = mrConsume;
4230 }
4231 }
4232 }
4233
4234 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4235 {
4236 /* Menu/Accelerator */
4237 if (hWndChild == 0) {
4238 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4239 if (obj == NULL) {
4240 return mrConsume;
4241 }
4242 DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4243 obj->DoCommand();
4244 return mrConsume;
4245 }
4246 /* Child id notification */
4247 else {
4248 AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4249 if (child) {
4250 child->WmNotify(notifyCode);
4251 }
4252 }
4253 return mrDoDefault;
4254 }
4255
4256 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4257 {
4258 return mrDoDefault;
4259 }
4260
4261 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4262 COMPAREITEMSTRUCT &compareInfo,
4263 LRESULT &result)
4264 {
4265 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4266 if (child == this) {
4267 /* DoCallback("handleItemDelete", */
4268 }
4269 else if (child) {
4270 return child->WmCompareItem(ctrlId, compareInfo, result);
4271 }
4272 return mrConsume;
4273 }
4274
4275 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4276 DELETEITEMSTRUCT &deleteInfo)
4277 {
4278 /*
4279 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4280 * window, a WM_DELETEITEM message is sent to its parent with a window
4281 * handle of one of the list's child windows. The property lookup
4282 * succeeds, but the HWNDs don't match.
4283 */
4284 if (deleteInfo.hwndItem == NULL) {
4285 return mrConsume;
4286 }
4287 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4288
4289 if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4290 return mrConsume;
4291 }
4292
4293 if (child == this) {
4294 /*DoCallback("handleItemDelete", */
4295 }
4296 else if (child) {
4297 return child->WmDeleteItem(ctrlId, deleteInfo);
4298 }
4299 return mrConsume;
4300 }
4301
4302 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4303 {
4304 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4305
4306 if (drawInfo.CtlType == ODT_MENU) {
4307 if (IsMenu((HMENU)drawInfo.hwndItem) && drawInfo.itemData != 0) {
4308 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4309 menu->DrawItem(drawInfo);
4310 }
4311 } else {
4312 return OwnerDrawItem(ctrlId, drawInfo);
4313 }
4314 return mrConsume;
4315 }
4316
4317 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4318 MEASUREITEMSTRUCT &measureInfo)
4319 {
4320 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4321
4322 if (measureInfo.CtlType == ODT_MENU) {
4323 if (measureInfo.itemData != 0) {
4324 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4325 HDC hDC = ::GetDC(GetHWnd());
4326 /* menu->MeasureItem(env, hDC, measureInfo); */
4327 menu->MeasureItem(hDC, measureInfo);
4328 ::ReleaseDC(GetHWnd(), hDC);
4329 }
4330 } else {
4331 return OwnerMeasureItem(ctrlId, measureInfo);
4332 }
4333 return mrConsume;
4334 }
4335
4336 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4337 DRAWITEMSTRUCT &drawInfo)
4338 {
4339 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4340 if (child == this) {
4341 /* DoCallback("handleItemDelete", */
4342 } else if (child != NULL) {
4343 return child->WmDrawItem(ctrlId, drawInfo);
4344 }
4345 return mrConsume;
4346 }
4347
4348 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4349 MEASUREITEMSTRUCT &measureInfo)
4350 {
4351 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4352 AwtComponent* child = AwtComponent::GetComponent(hChild);
4353 /*
4354 * If the parent cannot find the child's instance from its handle,
4355 * maybe the child is in its creation. So the child must be searched
4356 * from the list linked before the child's creation.
4357 */
4358 if (child == NULL) {
4359 child = SearchChild((UINT)ctrlId);
4360 }
4361
4362 if (child == this) {
4363 /* DoCallback("handleItemDelete", */
4364 }
4365 else if (child) {
4366 return child->WmMeasureItem(ctrlId, measureInfo);
4367 }
4368 return mrConsume;
4369 }
4370
4371 /* for WmDrawItem method of Label, Button and Checkbox */
4372 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4373 int x, int y)
4374 {
4375 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4376 DASSERT(nOldBkMode != 0);
4377 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4378 VERIFY(::SetBkMode(hDC,nOldBkMode));
4379 }
4380
4381 /*
4382 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4383 * component is disabled. Used only for label, checkbox and button in
4384 * OWNER_DRAW. It draws the text in emboss.
4385 */
4386 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4387 int x, int y)
4388 {
4389 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4390 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4391 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4392 AwtComponent::DrawWindowText(hDC, font, text, x, y);
4393 }
4394
4395 /* for WmMeasureItem method of List and Choice */
4396 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4397 {
4398 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4399 "(I)Ljava/lang/String;",
4400 index).l;
4401 DASSERT(!safe_ExceptionOccurred(env));
4402 return str;
4403 }
4404
4405 /* for WmMeasureItem method of List and Choice */
4406 void AwtComponent::MeasureListItem(JNIEnv *env,
4407 MEASUREITEMSTRUCT &measureInfo)
4408 {
4409 if (env->EnsureLocalCapacity(1) < 0) {
4410 return;
4411 }
4412 jobject dimension = PreferredItemSize(env);
4413 DASSERT(dimension);
4414 measureInfo.itemWidth =
4415 env->GetIntField(dimension, AwtDimension::widthID);
4416 measureInfo.itemHeight =
4417 env->GetIntField(dimension, AwtDimension::heightID);
4418 env->DeleteLocalRef(dimension);
4419 }
4420
4421 /* for WmDrawItem method of List and Choice */
4422 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4423 {
4424 if (env->EnsureLocalCapacity(3) < 0) {
4425 return;
4426 }
4427 jobject peer = GetPeer(env);
4428 jobject target = env->GetObjectField(peer, AwtObject::targetID);
4429
4430 HDC hDC = drawInfo.hDC;
4431 RECT rect = drawInfo.rcItem;
4432
4433 BOOL bEnabled = isEnabled();
4434 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4435 DWORD crBack, crText;
4436 if (drawInfo.itemState & ODS_SELECTED){
4437 /* Set background and text colors for selected item */
4438 crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4439 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4440 } else {
4441 /* Set background and text colors for unselected item */
4442 crBack = GetBackgroundColor();
4443 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4444 }
4445 if (unfocusableChoice) {
4446 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4447 crBack = GetBackgroundColor();
4448 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4449 }
4450
4451 /* Fill item rectangle with background color */
4452 HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4453 DASSERT(hbrBack);
4454 /* 6190728. Shouldn't draw any kind of rectangle around selection field
4455 * (edit control) of an owner-drawn combo box while unfocusable
4456 */
4457 if (!unfocusableChoice){
4458 VERIFY(::FillRect (hDC, &rect, hbrBack));
4459 }
4460 VERIFY(::DeleteObject (hbrBack));
4461
4462 /* Set current background and text colors */
4463 ::SetBkColor (hDC, crBack);
4464 ::SetTextColor (hDC, crText);
4465
4466 /*draw string (with left margin of 1 point) */
4467 if ((int) (drawInfo.itemID) >= 0) {
4468 jobject font = GET_FONT(target, peer);
4469 jstring text = GetItemString(env, target, drawInfo.itemID);
4470 if (env->ExceptionCheck()) {
4471 env->DeleteLocalRef(font);
4472 env->DeleteLocalRef(target);
4473 return;
4474 }
4475 SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4476 AwtFont::drawMFString(hDC, font, text,
4477 (GetRTL()) ? rect.right - size.cx - 1
4478 : rect.left + 1,
4479 (rect.top + rect.bottom - size.cy) / 2,
4480 GetCodePage());
4481 env->DeleteLocalRef(font);
4482 env->DeleteLocalRef(text);
4483 }
4484 if ((drawInfo.itemState & ODS_FOCUS) &&
4485 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4486 if (!unfocusableChoice){
4487 if(::DrawFocusRect(hDC, &rect) == 0)
4488 VERIFY(::GetLastError() == 0);
4489 }
4490 }
4491 env->DeleteLocalRef(target);
4492 }
4493
4494 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4495 jint AwtComponent::GetFontHeight(JNIEnv *env)
4496 {
4497 if (env->EnsureLocalCapacity(4) < 0) {
4498 return NULL;
4499 }
4500 jobject self = GetPeer(env);
4501 jobject target = env->GetObjectField(self, AwtObject::targetID);
4502
4503 jobject font = GET_FONT(target, self);
4504 jobject toolkit = env->CallObjectMethod(target,
4505 AwtComponent::getToolkitMID);
4506
4507 DASSERT(!safe_ExceptionOccurred(env));
4508
4509 jobject fontMetrics =
4510 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4511
4512 DASSERT(!safe_ExceptionOccurred(env));
4513
4514 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4515 DASSERT(!safe_ExceptionOccurred(env));
4516
4517 env->DeleteLocalRef(target);
4518 env->DeleteLocalRef(font);
4519 env->DeleteLocalRef(toolkit);
4520 env->DeleteLocalRef(fontMetrics);
4521
4522 return height;
4523 }
4524
4525 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4526 // stack to be restored in WmPrintClient. Windows mangles the DC in
4527 // ::DefWindowProc.
4528 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4529 {
4530 /*
4531 * DefWindowProc for WM_PRINT changes DC parameters, so we have
4532 * to restore it ourselves. Otherwise it will cause problems
4533 * when several components are printed to the same DC.
4534 */
4535 int nOriginalDC = ::SaveDC(hDC);
4536 DASSERT(nOriginalDC != 0);
4537
4538 if (flags & PRF_NONCLIENT) {
4539
4540 VERIFY(::SaveDC(hDC));
4541
4542 DefWindowProc(WM_PRINT, (WPARAM)hDC,
4543 (flags & (PRF_NONCLIENT
4544 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4545
4546 VERIFY(::RestoreDC(hDC, -1));
4547
4548 // Special case for components with a sunken border. Windows does not
4549 // print the border correctly on PCL printers, so we have to do it ourselves.
4550 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4551 RECT r;
4552 VERIFY(::GetWindowRect(GetHWnd(), &r));
4553 VERIFY(::OffsetRect(&r, -r.left, -r.top));
4554 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4555 }
4556 }
4557
4558 if (flags & PRF_CLIENT) {
4559
4560 /*
4561 * Special case for components with a sunken border.
4562 * Windows prints a client area without offset to a border width.
4563 * We will first print the non-client area with the original offset,
4564 * then the client area with a corrected offset.
4565 */
4566 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4567
4568 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4569 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4570
4571 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4572
4573 // Save a copy of the DC for WmPrintClient
4574 VERIFY(::SaveDC(hDC));
4575
4576 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4577 (flags & (PRF_CLIENT
4578 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4579
4580 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4581
4582 } else {
4583
4584 // Save a copy of the DC for WmPrintClient
4585 VERIFY(::SaveDC(hDC));
4586 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4587 (flags & (PRF_CLIENT
4588 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4589 }
4590 }
4591
4592 if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4593 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4594 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4595 }
4596
4597 VERIFY(::RestoreDC(hDC, nOriginalDC));
4598
4599 return mrConsume;
4600 }
4601
4602 // If you override WmPrintClient, make sure to obtain a valid copy of
4603 // the DC from the GDI stack. The copy of the DC should have been placed
4604 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4605 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4606 {
4607 // obtain valid DC from GDI stack
4608 ::RestoreDC(hDC, -1);
4609
4610 return mrDoDefault;
4611 }
4612
4613 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4614 LPNCCALCSIZE_PARAMS lpncsp,
4615 LRESULT &retVal)
4616 {
4617 return mrDoDefault;
4618 }
4619
4620 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4621 {
4622 return mrDoDefault;
4623 }
4624
4625 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4626 {
4627 return mrDoDefault;
4628 }
4629
4630 /**
4631 * WmQueryNewPalette is called whenever our component is coming to
4632 * the foreground; this gives us an opportunity to install our
4633 * custom palette. If this install actually changes entries in
4634 * the system palette, then we get a further call to WmPaletteChanged
4635 * (but note that we only need to realize our palette once).
4636 */
4637 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4638 {
4639 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4640 m_QueryNewPaletteCalled = TRUE;
4641 HDC hDC = ::GetDC(GetHWnd());
4642 DASSERT(hDC);
4643 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4644 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4645 ::ReleaseDC(GetHWnd(), hDC);
4646 // We must realize the palettes of all of our DC's
4647 // There is sometimes a problem where the realization of
4648 // our temporary hDC here does not actually do what
4649 // we want. Not clear why, but presumably fallout from
4650 // our use of several simultaneous hDC's.
4651 activeDCList.RealizePalettes(screen);
4652 // Do not invalidate here; if the palette
4653 // has not changed we will get an extra repaint
4654 retVal = TRUE;
4655
4656 return mrDoDefault;
4657 }
4658
4659 /**
4660 * We should not need to track this event since we handle our
4661 * palette management effectively in the WmQueryNewPalette and
4662 * WmPaletteChanged methods. However, there seems to be a bug
4663 * on some win32 systems (e.g., NT4) whereby the palette
4664 * immediately after a displayChange is not yet updated to its
4665 * final post-display-change values (hence we adjust our palette
4666 * using the wrong system palette entries), then the palette is
4667 * updated, but a WM_PALETTECHANGED message is never sent.
4668 * By tracking the ISCHANGING message as well (and by tracking
4669 * displayChange events in the AwtToolkit object), we can account
4670 * for this error by forcing our WmPaletteChanged method to be
4671 * called and thereby realizing our logical palette and updating
4672 * our dynamic colorModel object.
4673 */
4674 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4675 {
4676 if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4677 WmPaletteChanged(hwndPalChg);
4678 AwtToolkit::GetInstance().ResetDisplayChanged();
4679 }
4680 return mrDoDefault;
4681 }
4682
4683 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4684 {
4685 // We need to re-realize our palette here (unless we're the one
4686 // that was realizing it in the first place). That will let us match the
4687 // remaining colors in the system palette as best we can. We always
4688 // invalidate because the palette will have changed when we receive this
4689 // message.
4690
4691 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4692 if (hwndPalChg != GetHWnd()) {
4693 HDC hDC = ::GetDC(GetHWnd());
4694 DASSERT(hDC);
4695 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4696 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4697 ::ReleaseDC(GetHWnd(), hDC);
4698 // We must realize the palettes of all of our DC's
4699 activeDCList.RealizePalettes(screen);
4700 }
4701 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4702 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4703 }
4704 Invalidate(NULL);
4705 return mrDoDefault;
4706 }
4707
4708 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4709 {
4710 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4711 return mrDoDefault;
4712 }
4713
4714 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4715 {
4716 DASSERT(!IsBadStringPtr(pszSection, 20));
4717 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4718 return mrDoDefault;
4719 }
4720
4721 HDC AwtComponent::GetDCFromComponent()
4722 {
4723 GetDCReturnStruct *hdcStruct =
4724 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4725 HDC hdc;
4726 if (hdcStruct) {
4727 if (hdcStruct->gdiLimitReached) {
4728 if (jvm != NULL) {
4729 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4730 if (env != NULL && !safe_ExceptionOccurred(env)) {
4731 JNU_ThrowByName(env, "java/awt/AWTError",
4732 "HDC creation failure - " \
4733 "exceeded maximum GDI resources");
4734 }
4735 }
4736 }
4737 hdc = hdcStruct->hDC;
4738 delete hdcStruct;
4739 } else {
4740 hdc = NULL;
4741 }
4742 return hdc;
4743 }
4744
4745 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4746 {
4747 RECT eraseR = { 0, 0, size.cx, size.cy };
4748 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4749 }
4750
4751 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4752 {
4753 if (!bitmapBits) {
4754 return;
4755 }
4756
4757 DWORD* dest = (DWORD*)bitmapBits;
4758 //XXX: might be optimized to use one loop (cy*cx -> 0)
4759 for (int i = 0; i < size.cy; i++ ) {
4760 for (int j = 0; j < size.cx; j++ ) {
4761 ((BYTE*)(dest++))[3] = alpha;
4762 }
4763 }
4764 }
4765
4766 int AwtComponent::ScaleUpX(int x) {
4767 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4768 Devices::InstanceAccess devices;
4769 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4770 return device == NULL ? x : device->ScaleUpX(x);
4771 }
4772
4773 int AwtComponent::ScaleUpY(int y) {
4774 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4775 Devices::InstanceAccess devices;
4776 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4777 return device == NULL ? y : device->ScaleUpY(y);
4778 }
4779
4780 int AwtComponent::ScaleDownX(int x) {
4781 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4782 Devices::InstanceAccess devices;
4783 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4784 return device == NULL ? x : device->ScaleDownX(x);
4785 }
4786
4787 int AwtComponent::ScaleDownY(int y) {
4788 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4789 Devices::InstanceAccess devices;
4790 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4791 return device == NULL ? y : device->ScaleDownY(y);
4792 }
4793
4794 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4795 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4796
4797 if (!::IsWindowVisible(GetHWnd())) {
4798 return NULL;
4799 }
4800
4801 HDC hdc = GetDCFromComponent();
4802 if (!hdc) {
4803 return NULL;
4804 }
4805 HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4806 void *bitmapBits = NULL;
4807 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4808 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4809 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4810
4811 FillBackground(hMemoryDC, size);
4812
4813 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4814
4815 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4816 // above.
4817 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4818
4819 // First make sure the system completed any drawing to the bitmap.
4820 ::GdiFlush();
4821
4822 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4823 // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4824 // the pixels will be considered transparent when interpreting the data.
4825 FillAlpha(bitmapBits, size, alpha);
4826
4827 ::SelectObject(hMemoryDC, hOldBitmap);
4828
4829 BITMAPINFO bmi;
4830 memset(&bmi, 0, sizeof(BITMAPINFO));
4831 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4832 bmi.bmiHeader.biWidth = size.cx;
4833 bmi.bmiHeader.biHeight = -size.cy;
4834 bmi.bmiHeader.biPlanes = 1;
4835 bmi.bmiHeader.biBitCount = 32;
4836 bmi.bmiHeader.biCompression = BI_RGB;
4837
4838 jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4839 jintArray pixelArray = NULL;
4840 if (localPixelArray != NULL) {
4841 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4842 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4843
4844 jboolean isCopy;
4845 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4846
4847 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4848 DIB_RGB_COLORS);
4849
4850 env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4851 }
4852
4853 VERIFY(::DeleteObject(hBitmap));
4854 VERIFY(::DeleteDC(hMemoryDC));
4855
4856 return pixelArray;
4857 }
4858
4859 void* AwtComponent::SetNativeFocusOwner(void *self) {
4860 if (self == NULL) {
4861 // It means that the KFM wants to set focus to null
4862 sm_focusOwner = NULL;
4863 return NULL;
4864 }
4865
4866 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4867
4868 AwtComponent *c = NULL;
4869 jobject peer = (jobject)self;
4870
4871 PDATA pData;
4872 JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4873 pData = JNI_GET_PDATA(peer);
4874 if (pData == NULL) {
4875 goto ret;
4876 }
4877 c = (AwtComponent *)pData;
4878
4879 ret:
4880 if (c && ::IsWindow(c->GetHWnd())) {
4881 sm_focusOwner = c->GetHWnd();
4882 } else {
4883 sm_focusOwner = NULL;
4884 }
4885 env->DeleteGlobalRef(peer);
4886 return NULL;
4887 }
4888
4889 void* AwtComponent::GetNativeFocusedWindow() {
4890 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4891 AwtComponent *comp =
4892 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4893 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4894 }
4895
4896 void* AwtComponent::GetNativeFocusOwner() {
4897 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4898 AwtComponent *comp =
4899 AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4900 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4901 }
4902
4903 AwtComponent* AwtComponent::SearchChild(UINT id) {
4904 ChildListItem* child;
4905 for (child = m_childList; child != NULL;child = child->m_next) {
4906 if (child->m_ID == id)
4907 return child->m_Component;
4908 }
4909 /*
4910 * DASSERT(FALSE);
4911 * This should not be happend if all children are recorded
4912 */
4913 return NULL; /* make compiler happy */
4914 }
4915
4916 void AwtComponent::RemoveChild(UINT id) {
4917 ChildListItem* child = m_childList;
4918 ChildListItem* lastChild = NULL;
4919 while (child != NULL) {
4920 if (child->m_ID == id) {
4921 if (lastChild == NULL) {
4922 m_childList = child->m_next;
4923 } else {
4924 lastChild->m_next = child->m_next;
4925 }
4926 child->m_next = NULL;
4927 DASSERT(child != NULL);
4928 delete child;
4929 return;
4930 }
4931 lastChild = child;
4932 child = child->m_next;
4933 }
4934 }
4935
4936 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4937 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4938 {
4939 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4940 CriticalSection::Lock l(GetLock());
4941 if (GetPeer(env) == NULL) {
4942 /* event received during termination. */
4943 return;
4944 }
4945
4946 static jclass keyEventCls;
4947 if (keyEventCls == NULL) {
4948 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4949 DASSERT(keyEventClsLocal);
4950 if (keyEventClsLocal == NULL) {
4951 /* exception already thrown */
4952 return;
4953 }
4954 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4955 env->DeleteLocalRef(keyEventClsLocal);
4956 }
4957
4958 static jmethodID keyEventConst;
4959 if (keyEventConst == NULL) {
4960 keyEventConst = env->GetMethodID(keyEventCls, "<init>",
4961 "(Ljava/awt/Component;IJIICI)V");
4962 DASSERT(keyEventConst);
4963 CHECK_NULL(keyEventConst);
4964 }
4965 if (env->EnsureLocalCapacity(2) < 0) {
4966 return;
4967 }
4968 jobject target = GetTarget(env);
4969 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4970 id, when, modifiers, raw, cooked,
4971 keyLocation);
4972 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4973 DASSERT(!safe_ExceptionOccurred(env));
4974 DASSERT(keyEvent != NULL);
4975 if (keyEvent == NULL) {
4976 env->DeleteLocalRef(target);
4977 return;
4978 }
4979 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4980 if( nativeCode && nativeCode < 256 ) {
4981 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4982 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4983 if( nativeCode < 255 ) {
4984 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4985 }else if( pMsg != NULL ) {
4986 // unknown key with virtual keycode 0xFF.
4987 // Its scancode is not in the table, pickup it from the message.
4988 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4989 }
4990 }
4991 if (pMsg != NULL) {
4992 AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
4993 }
4994 SendEvent(keyEvent);
4995
4996 env->DeleteLocalRef(keyEvent);
4997 env->DeleteLocalRef(target);
4998 }
4999
5000 void
5001 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
5002 jint raw, jint cooked,
5003 jint modifiers, jint keyLocation,
5004 jlong nativeCode,
5005 MSG *msg)
5006 {
5007 /*
5008 * if focus owner is null, but focused window isn't
5009 * we will send key event to focused window
5010 */
5011 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
5012
5013 if (hwndTarget == GetHWnd()) {
5014 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
5015 } else {
5016 AwtComponent *target = NULL;
5017 if (hwndTarget != NULL) {
5018 target = AwtComponent::GetComponent(hwndTarget);
5019 if (target == NULL) {
5020 target = this;
5021 }
5022 }
5023 if (target != NULL) {
5024 target->SendKeyEvent(id, when, raw, cooked, modifiers,
5025 keyLocation, nativeCode, msg);
5026 }
5027 }
5028 }
5029
5030 void AwtComponent::SetDragCapture(UINT flags)
5031 {
5032 // don't want to interfere with other controls
5033 if (::GetCapture() == NULL) {
5034 ::SetCapture(GetHWnd());
5035 }
5036 }
5037
5038 void AwtComponent::ReleaseDragCapture(UINT flags)
5039 {
5040 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
5041 // user has released all buttons, so release the capture
5042 ::ReleaseCapture();
5043 }
5044 }
5045
5046 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
5047 jint modifiers, jint clickCount,
5048 jboolean popupTrigger, jint button,
5049 MSG *pMsg, BOOL causedByTouchEvent)
5050 {
5051 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5052 CriticalSection::Lock l(GetLock());
5053 if (GetPeer(env) == NULL) {
5054 /* event received during termination. */
5055 return;
5056 }
5057
5058 static jclass mouseEventCls;
5059 if (mouseEventCls == NULL) {
5060 jclass mouseEventClsLocal =
5061 env->FindClass("java/awt/event/MouseEvent");
5062 CHECK_NULL(mouseEventClsLocal);
5063 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
5064 env->DeleteLocalRef(mouseEventClsLocal);
5065 }
5066 RECT insets;
5067 GetInsets(&insets);
5068
5069 static jmethodID mouseEventConst;
5070 if (mouseEventConst == NULL) {
5071 mouseEventConst =
5072 env->GetMethodID(mouseEventCls, "<init>",
5073 "(Ljava/awt/Component;IJIIIIIIZI)V");
5074 DASSERT(mouseEventConst);
5075 CHECK_NULL(mouseEventConst);
5076 }
5077 if (env->EnsureLocalCapacity(2) < 0) {
5078 return;
5079 }
5080 jobject target = GetTarget(env);
5081 DWORD curMousePos = ::GetMessagePos();
5082 int xAbs = GET_X_LPARAM(curMousePos);
5083 int yAbs = GET_Y_LPARAM(curMousePos);
5084 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
5085 target,
5086 id, when, modifiers,
5087 ScaleDownX(x + insets.left),
5088 ScaleDownY(y + insets.top),
5089 ScaleDownX(xAbs), ScaleDownY(yAbs),
5090 clickCount, popupTrigger, button);
5091
5092 if (safe_ExceptionOccurred(env)) {
5093 env->ExceptionDescribe();
5094 env->ExceptionClear();
5095 }
5096
5097 DASSERT(mouseEvent != NULL);
5098 CHECK_NULL(mouseEvent);
5099 if (causedByTouchEvent) {
5100 env->SetBooleanField(mouseEvent, AwtMouseEvent::causedByTouchEventID,
5101 JNI_TRUE);
5102 }
5103 if (pMsg != 0) {
5104 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
5105 }
5106 SendEvent(mouseEvent);
5107
5108 env->DeleteLocalRef(mouseEvent);
5109 env->DeleteLocalRef(target);
5110 }
5111
5112 void
5113 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
5114 jint modifiers, jint clickCount,
5115 jboolean popupTrigger, jint scrollType,
5116 jint scrollAmount, jint roundedWheelRotation,
5117 jdouble preciseWheelRotation, MSG *pMsg)
5118 {
5119 /* Code based not so loosely on AwtComponent::SendMouseEvent */
5120 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5121 CriticalSection::Lock l(GetLock());
5122 if (GetPeer(env) == NULL) {
5123 /* event received during termination. */
5124 return;
5125 }
5126
5127 static jclass mouseWheelEventCls;
5128 if (mouseWheelEventCls == NULL) {
5129 jclass mouseWheelEventClsLocal =
5130 env->FindClass("java/awt/event/MouseWheelEvent");
5131 CHECK_NULL(mouseWheelEventClsLocal);
5132 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
5133 env->DeleteLocalRef(mouseWheelEventClsLocal);
5134 }
5135 RECT insets;
5136 GetInsets(&insets);
5137
5138 static jmethodID mouseWheelEventConst;
5139 if (mouseWheelEventConst == NULL) {
5140 mouseWheelEventConst =
5141 env->GetMethodID(mouseWheelEventCls, "<init>",
5142 "(Ljava/awt/Component;IJIIIIIIZIIID)V");
5143 DASSERT(mouseWheelEventConst);
5144 CHECK_NULL(mouseWheelEventConst);
5145 }
5146 if (env->EnsureLocalCapacity(2) < 0) {
5147 return;
5148 }
5149 jobject target = GetTarget(env);
5150 DWORD curMousePos = ::GetMessagePos();
5151 int xAbs = GET_X_LPARAM(curMousePos);
5152 int yAbs = GET_Y_LPARAM(curMousePos);
5153
5154 DTRACE_PRINTLN("creating MWE in JNI");
5155
5156 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
5157 mouseWheelEventConst,
5158 target,
5159 id, when, modifiers,
5160 ScaleDownX(x + insets.left),
5161 ScaleDownY(y + insets.top),
5162 ScaleDownX(xAbs),
5163 ScaleDownY(yAbs),
5164 clickCount, popupTrigger,
5165 scrollType, scrollAmount,
5166 roundedWheelRotation, preciseWheelRotation);
5167
5168 DASSERT(mouseWheelEvent != NULL);
5169 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
5170 env->ExceptionDescribe();
5171 env->ExceptionClear();
5172 env->DeleteLocalRef(target);
5173 return;
5174 }
5175 if (pMsg != NULL) {
5176 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
5177 }
5178 SendEvent(mouseWheelEvent);
5179
5180 env->DeleteLocalRef(mouseWheelEvent);
5181 env->DeleteLocalRef(target);
5182 }
5183
5184 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
5185 {
5186 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5187
5188 CriticalSection::Lock l(GetLock());
5189 if (GetPeer(env) == NULL) {
5190 /* event received during termination. */
5191 return;
5192 }
5193
5194 static jclass focusEventCls;
5195 if (focusEventCls == NULL) {
5196 jclass focusEventClsLocal
5197 = env->FindClass("java/awt/event/FocusEvent");
5198 DASSERT(focusEventClsLocal);
5199 CHECK_NULL(focusEventClsLocal);
5200 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5201 env->DeleteLocalRef(focusEventClsLocal);
5202 }
5203
5204 static jmethodID focusEventConst;
5205 if (focusEventConst == NULL) {
5206 focusEventConst =
5207 env->GetMethodID(focusEventCls, "<init>",
5208 "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5209 DASSERT(focusEventConst);
5210 CHECK_NULL(focusEventConst);
5211 }
5212
5213 static jclass sequencedEventCls;
5214 if (sequencedEventCls == NULL) {
5215 jclass sequencedEventClsLocal =
5216 env->FindClass("java/awt/SequencedEvent");
5217 DASSERT(sequencedEventClsLocal);
5218 CHECK_NULL(sequencedEventClsLocal);
5219 sequencedEventCls =
5220 (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5221 env->DeleteLocalRef(sequencedEventClsLocal);
5222 }
5223
5224 static jmethodID sequencedEventConst;
5225 if (sequencedEventConst == NULL) {
5226 sequencedEventConst =
5227 env->GetMethodID(sequencedEventCls, "<init>",
5228 "(Ljava/awt/AWTEvent;)V");
5229 DASSERT(sequencedEventConst);
5230 CHECK_NULL(sequencedEventConst);
5231 }
5232
5233 if (env->EnsureLocalCapacity(3) < 0) {
5234 return;
5235 }
5236
5237 jobject target = GetTarget(env);
5238 jobject jOpposite = NULL;
5239 if (opposite != NULL) {
5240 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5241 if (awtOpposite != NULL) {
5242 jOpposite = awtOpposite->GetTarget(env);
5243 }
5244 }
5245 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5246 target, id, JNI_FALSE, jOpposite);
5247 DASSERT(!safe_ExceptionOccurred(env));
5248 DASSERT(focusEvent != NULL);
5249 if (jOpposite != NULL) {
5250 env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5251 }
5252 env->DeleteLocalRef(target); target = NULL;
5253 CHECK_NULL(focusEvent);
5254
5255 jobject sequencedEvent = env->NewObject(sequencedEventCls,
5256 sequencedEventConst,
5257 focusEvent);
5258 DASSERT(!safe_ExceptionOccurred(env));
5259 DASSERT(sequencedEvent != NULL);
5260 env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5261 CHECK_NULL(sequencedEvent);
5262 SendEvent(sequencedEvent);
5263
5264 env->DeleteLocalRef(sequencedEvent);
5265 }
5266
5267 /*
5268 * Forward a filtered event directly to the subclassed window.
5269 * This method is needed so that DefWindowProc is invoked on the
5270 * component's owning thread.
5271 */
5272 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5273 {
5274 DefWindowProc(msg->message, msg->wParam, msg->lParam);
5275 delete msg;
5276 return mrConsume;
5277 }
5278
5279 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5280 on the toolkit thread. This method may pre-filter the messages. */
5281 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5282 {
5283 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5284 // We should cut off keyboard events to disabled components
5285 // to avoid the components responding visually to keystrokes when disabled.
5286 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5287 // but to activate menus, close windows, etc
5288 switch(msg->message) {
5289 case WM_KEYDOWN:
5290 case WM_KEYUP:
5291 case WM_CHAR:
5292 case WM_DEADCHAR:
5293 {
5294 if (!isRecursivelyEnabled()) {
5295 goto quit;
5296 }
5297 break;
5298 }
5299 }
5300 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5301 (WPARAM) synthetic, (LPARAM) msg)) {
5302 return TRUE;
5303 } else {
5304 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5305 }
5306 quit:
5307 delete msg;
5308 return FALSE;
5309 }
5310
5311 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5312 {
5313 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5314 UINT message;
5315 switch (id) {
5316 case java_awt_event_KeyEvent_KEY_PRESSED:
5317 message = WM_KEYDOWN;
5318 break;
5319 case java_awt_event_KeyEvent_KEY_RELEASED:
5320 message = WM_KEYUP;
5321 break;
5322 case java_awt_event_KeyEvent_KEY_TYPED:
5323 message = WM_CHAR;
5324 break;
5325 default:
5326 return;
5327 }
5328
5329 /*
5330 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5331 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5332 */
5333 if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5334 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5335 // (for Edit control)
5336 jchar keyChar = (jchar)
5337 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5338
5339 // Bugid 4724007. If it is a Delete character, don't send the fake
5340 // KEY_TYPED we created back to the native window: Windows doesn't
5341 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5342 // character after deleting.
5343 if (keyChar == '\177') { // the Delete character
5344 return;
5345 }
5346
5347 // Disable forwarding WM_CHAR messages to disabled components
5348 if (isRecursivelyEnabled()) {
5349 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5350 MAKEWPARAM(keyChar, TRUE), 0)) {
5351 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5352 }
5353 }
5354 } else {
5355 jint keyCode =
5356 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5357 UINT key, modifiers;
5358 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5359 MSG* msg = CreateMessage(message, key, 0);
5360 PostHandleEventMessage(msg, TRUE);
5361 }
5362 }
5363
5364 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5365 {
5366 /* DebugBreak(); */
5367 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5368 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5369
5370 WPARAM wParam = 0;
5371 WORD wLow = 0;
5372 jint wheelAmt = 0;
5373 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5374 UINT message;
5375 switch (id) {
5376 case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5377 switch (button) {
5378 case java_awt_event_MouseEvent_BUTTON1:
5379 message = WM_LBUTTONDOWN; break;
5380 case java_awt_event_MouseEvent_BUTTON3:
5381 message = WM_MBUTTONDOWN; break;
5382 case java_awt_event_MouseEvent_BUTTON2:
5383 message = WM_RBUTTONDOWN; break;
5384 default:
5385 return;
5386 }
5387 break;
5388 }
5389 case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5390 switch (button) {
5391 case java_awt_event_MouseEvent_BUTTON1:
5392 message = WM_LBUTTONUP; break;
5393 case java_awt_event_MouseEvent_BUTTON3:
5394 message = WM_MBUTTONUP; break;
5395 case java_awt_event_MouseEvent_BUTTON2:
5396 message = WM_RBUTTONUP; break;
5397 default:
5398 return;
5399 }
5400 break;
5401 }
5402 case java_awt_event_MouseEvent_MOUSE_MOVED:
5403 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5404 case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5405 message = WM_MOUSEMOVE;
5406 break;
5407 case java_awt_event_MouseEvent_MOUSE_WHEEL:
5408 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5409 wLow |= MK_CONTROL;
5410 }
5411 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5412 wLow |= MK_SHIFT;
5413 }
5414 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5415 wLow |= MK_LBUTTON;
5416 }
5417 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5418 wLow |= MK_RBUTTON;
5419 }
5420 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5421 wLow |= MK_MBUTTON;
5422 }
5423 if (modifiers & X1_BUTTON) {
5424 wLow |= GetButtonMK(X1_BUTTON);
5425 }
5426 if (modifiers & X2_BUTTON) {
5427 wLow |= GetButtonMK(X2_BUTTON);
5428 }
5429
5430 wheelAmt = (jint)JNU_CallMethodByName(env,
5431 NULL,
5432 mouseEvent,
5433 "getWheelRotation",
5434 "()I").i;
5435 DASSERT(!safe_ExceptionOccurred(env));
5436 JNU_CHECK_EXCEPTION(env);
5437 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5438
5439 // convert Java wheel amount value to Win32
5440 wheelAmt *= -1 * WHEEL_DELTA;
5441
5442 message = WM_MOUSEWHEEL;
5443 wParam = MAKEWPARAM(wLow, wheelAmt);
5444
5445 break;
5446 default:
5447 return;
5448 }
5449 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5450 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5451 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5452 PostHandleEventMessage(msg, TRUE);
5453 }
5454
5455 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5456
5457 void AwtComponent::Invalidate(RECT* r)
5458 {
5459 ::InvalidateRect(GetHWnd(), r, FALSE);
5460 }
5461
5462 void AwtComponent::BeginValidate()
5463 {
5464 DASSERT(m_validationNestCount >= 0 &&
5465 m_validationNestCount < 1000); // sanity check
5466
5467 if (m_validationNestCount == 0) {
5468 // begin deferred window positioning if we're not inside
5469 // another Begin/EndValidate pair
5470 DASSERT(m_hdwp == NULL);
5471 m_hdwp = ::BeginDeferWindowPos(32);
5472 }
5473
5474 m_validationNestCount++;
5475 }
5476
5477 void AwtComponent::EndValidate()
5478 {
5479 DASSERT(m_validationNestCount > 0 &&
5480 m_validationNestCount < 1000); // sanity check
5481 DASSERT(m_hdwp != NULL);
5482
5483 m_validationNestCount--;
5484 if (m_validationNestCount == 0) {
5485 // if this call to EndValidate is not nested inside another
5486 // Begin/EndValidate pair, end deferred window positioning
5487 ::EndDeferWindowPos(m_hdwp);
5488 m_hdwp = NULL;
5489 }
5490 }
5491
5492 /**
5493 * HWND, AwtComponent and Java Peer interaction
5494 */
5495
5496 /*
5497 *Link the C++, Java peer, and HWNDs together.
5498 */
5499 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5500 {
5501 /*
5502 * Bind all three objects together thru this C++ object, two-way to each:
5503 * JavaPeer <-> C++ <-> HWND
5504 *
5505 * C++ -> JavaPeer
5506 */
5507 if (m_peerObject == NULL) {
5508 // This may have already been set up by CreateHWnd
5509 // And we don't want to create two references so we
5510 // will leave the prior one alone
5511 m_peerObject = env->NewGlobalRef(peer);
5512 }
5513 /* JavaPeer -> HWND */
5514 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5515
5516 /* JavaPeer -> C++ */
5517 JNI_SET_PDATA(peer, this);
5518
5519 /* HWND -> C++ */
5520 SetComponentInHWND();
5521 }
5522
5523 /* Cleanup above linking */
5524 void AwtComponent::UnlinkObjects()
5525 {
5526 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5527 if (m_peerObject) {
5528 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5529 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5530 JNI_SET_DESTROYED(m_peerObject);
5531 env->DeleteGlobalRef(m_peerObject);
5532 m_peerObject = NULL;
5533 }
5534 }
5535
5536 void AwtComponent::Enable(BOOL bEnable)
5537 {
5538 if (bEnable && IsTopLevel()) {
5539 // we should not enable blocked toplevels
5540 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5541 }
5542 // Shouldn't trigger native focus change
5543 // (only the proxy may be the native focus owner).
5544 ::EnableWindow(GetHWnd(), bEnable);
5545
5546 CriticalSection::Lock l(GetLock());
5547 VerifyState();
5548 }
5549
5550 /*
5551 * associate an AwtDropTarget with this AwtComponent
5552 */
5553
5554 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5555 m_dropTarget = new AwtDropTarget(env, this);
5556 m_dropTarget->RegisterTarget(TRUE);
5557 return m_dropTarget;
5558 }
5559
5560 /*
5561 * disassociate an AwtDropTarget with this AwtComponent
5562 */
5563
5564 void AwtComponent::DestroyDropTarget() {
5565 if (m_dropTarget != NULL) {
5566 m_dropTarget->RegisterTarget(FALSE);
5567 m_dropTarget->Release();
5568 m_dropTarget = NULL;
5569 }
5570 }
5571
5572 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5573 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5574 }
5575
5576 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5577 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5578 }
5579
5580 void AwtComponent::_Show(void *param)
5581 {
5582 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5583
5584 jobject self = (jobject)param;
5585
5586 AwtComponent *p;
5587
5588 PDATA pData;
5589 JNI_CHECK_PEER_GOTO(self, ret);
5590 p = (AwtComponent *)pData;
5591 if (::IsWindow(p->GetHWnd()))
5592 {
5593 p->SendMessage(WM_AWT_COMPONENT_SHOW);
5594 }
5595 ret:
5596 env->DeleteGlobalRef(self);
5597 }
5598
5599 void AwtComponent::_Hide(void *param)
5600 {
5601 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5602
5603 jobject self = (jobject)param;
5604
5605 AwtComponent *p;
5606
5607 PDATA pData;
5608 JNI_CHECK_PEER_GOTO(self, ret);
5609 p = (AwtComponent *)pData;
5610 if (::IsWindow(p->GetHWnd()))
5611 {
5612 p->SendMessage(WM_AWT_COMPONENT_HIDE);
5613 }
5614 ret:
5615 env->DeleteGlobalRef(self);
5616 }
5617
5618 void AwtComponent::_Enable(void *param)
5619 {
5620 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5621
5622 jobject self = (jobject)param;
5623
5624 AwtComponent *p;
5625
5626 PDATA pData;
5627 JNI_CHECK_PEER_GOTO(self, ret);
5628 p = (AwtComponent *)pData;
5629 if (::IsWindow(p->GetHWnd()))
5630 {
5631 p->Enable(TRUE);
5632 }
5633 ret:
5634 env->DeleteGlobalRef(self);
5635 }
5636
5637 void AwtComponent::_Disable(void *param)
5638 {
5639 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5640
5641 jobject self = (jobject)param;
5642
5643 AwtComponent *p;
5644
5645 PDATA pData;
5646 JNI_CHECK_PEER_GOTO(self, ret);
5647 p = (AwtComponent *)pData;
5648 if (::IsWindow(p->GetHWnd()))
5649 {
5650 p->Enable(FALSE);
5651 }
5652 ret:
5653 env->DeleteGlobalRef(self);
5654 }
5655
5656 jobject AwtComponent::_GetLocationOnScreen(void *param)
5657 {
5658 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5659
5660 jobject self = (jobject)param;
5661
5662 jobject result = NULL;
5663 AwtComponent *p;
5664
5665 PDATA pData;
5666 JNI_CHECK_PEER_GOTO(self, ret);
5667 p = (AwtComponent *)pData;
5668 if (::IsWindow(p->GetHWnd()))
5669 {
5670 RECT rect;
5671 VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5672 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5673 p->ScaleDownX(rect.left),
5674 p->ScaleDownY(rect.top));
5675 }
5676 ret:
5677 env->DeleteGlobalRef(self);
5678
5679 if (result != NULL)
5680 {
5681 jobject resultGlobalRef = env->NewGlobalRef(result);
5682 env->DeleteLocalRef(result);
5683 return resultGlobalRef;
5684 }
5685 else
5686 {
5687 return NULL;
5688 }
5689 }
5690
5691 void AwtComponent::_Reshape(void *param)
5692 {
5693 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5694
5695 ReshapeStruct *rs = (ReshapeStruct*)param;
5696 jobject self = rs->component;
5697 jint x = rs->x;
5698 jint y = rs->y;
5699 jint w = rs->w;
5700 jint h = rs->h;
5701
5702 AwtComponent *p;
5703
5704 PDATA pData;
5705 JNI_CHECK_PEER_GOTO(self, ret);
5706 p = (AwtComponent *)pData;
5707 if (::IsWindow(p->GetHWnd()))
5708 {
5709 RECT* r = new RECT;
5710 ::SetRect(r, x, y, x + w, y + h);
5711 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5712 }
5713 ret:
5714 env->DeleteGlobalRef(self);
5715
5716 delete rs;
5717 }
5718
5719 void AwtComponent::_ReshapeNoCheck(void *param)
5720 {
5721 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5722
5723 ReshapeStruct *rs = (ReshapeStruct*)param;
5724 jobject self = rs->component;
5725 jint x = rs->x;
5726 jint y = rs->y;
5727 jint w = rs->w;
5728 jint h = rs->h;
5729
5730 AwtComponent *p;
5731
5732 PDATA pData;
5733 JNI_CHECK_PEER_GOTO(self, ret);
5734 p = (AwtComponent *)pData;
5735 if (::IsWindow(p->GetHWnd()))
5736 {
5737 RECT* r = new RECT;
5738 ::SetRect(r, x, y, x + w, y + h);
5739 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5740 }
5741 ret:
5742 env->DeleteGlobalRef(self);
5743
5744 delete rs;
5745 }
5746
5747 void AwtComponent::_NativeHandleEvent(void *param)
5748 {
5749 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5750
5751 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5752 jobject self = nhes->component;
5753 jobject event = nhes->event;
5754
5755 AwtComponent *p;
5756
5757 PDATA pData;
5758 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5759 pData = JNI_GET_PDATA(self);
5760 if (pData == NULL) {
5761 env->DeleteGlobalRef(self);
5762 if (event != NULL) {
5763 env->DeleteGlobalRef(event);
5764 }
5765 delete nhes;
5766 return;
5767 }
5768 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5769
5770 p = (AwtComponent *)pData;
5771 if (::IsWindow(p->GetHWnd()))
5772 {
5773 if (env->EnsureLocalCapacity(1) < 0) {
5774 env->DeleteGlobalRef(self);
5775 env->DeleteGlobalRef(event);
5776 delete nhes;
5777 return;
5778 }
5779 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5780 int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5781 DASSERT(!safe_ExceptionOccurred(env));
5782 if (bdata != 0) {
5783 MSG msg;
5784 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5785 (env)->DeleteLocalRef(bdata);
5786 static BOOL keyDownConsumed = FALSE;
5787 static BOOL bCharChanged = FALSE;
5788 static WCHAR modifiedChar;
5789 WCHAR unicodeChar;
5790
5791 /* Remember if a KEY_PRESSED event is consumed, as an old model
5792 * program won't consume a subsequent KEY_TYPED event.
5793 */
5794 jboolean consumed =
5795 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5796 DASSERT(!safe_ExceptionOccurred(env));
5797
5798 if (consumed) {
5799 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5800 env->DeleteGlobalRef(self);
5801 env->DeleteGlobalRef(event);
5802 delete nhes;
5803 return;
5804
5805 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5806 // Fix for 6637607: reset consuming
5807 keyDownConsumed = FALSE;
5808 }
5809
5810 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5811 * the old model.
5812 */
5813 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5814 keyDownConsumed = FALSE;
5815 env->DeleteGlobalRef(self);
5816 env->DeleteGlobalRef(event);
5817 delete nhes;
5818 return;
5819 }
5820
5821 /* Modify any event parameters, if necessary. */
5822 if (self && pData &&
5823 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5824 id <= java_awt_event_KeyEvent_KEY_LAST) {
5825
5826 AwtComponent* p = (AwtComponent*)pData;
5827
5828 jint keyCode =
5829 (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5830 jchar keyChar =
5831 (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5832 jint modifiers =
5833 (env)->GetIntField(event, AwtInputEvent::modifiersID);
5834
5835 DASSERT(!safe_ExceptionOccurred(env));
5836
5837 /* Check to see whether the keyCode or modifiers were changed
5838 on the keyPressed event, and tweak the following keyTyped
5839 event (if any) accodingly. */
5840 switch (id) {
5841 case java_awt_event_KeyEvent_KEY_PRESSED:
5842 {
5843 UINT winKey = (UINT)msg.wParam;
5844 bCharChanged = FALSE;
5845
5846 if (winKey == VK_PROCESSKEY) {
5847 // Leave it up to IME
5848 break;
5849 }
5850
5851 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5852 UINT newWinKey, ignored;
5853 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5854 if (newWinKey != 0) {
5855 winKey = newWinKey;
5856 }
5857 }
5858
5859 BOOL isDeadKey = FALSE;
5860 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5861 bCharChanged = (keyChar != modifiedChar);
5862 }
5863 break;
5864
5865 case java_awt_event_KeyEvent_KEY_RELEASED:
5866 {
5867 keyDownConsumed = FALSE;
5868 bCharChanged = FALSE;
5869 }
5870 break;
5871
5872 case java_awt_event_KeyEvent_KEY_TYPED:
5873 {
5874 if (bCharChanged)
5875 {
5876 unicodeChar = modifiedChar;
5877 }
5878 else
5879 {
5880 unicodeChar = keyChar;
5881 }
5882 bCharChanged = FALSE;
5883
5884 // Disable forwarding KEY_TYPED messages to peers of
5885 // disabled components
5886 if (p->isRecursivelyEnabled()) {
5887 // send the character back to the native window for
5888 // processing. The WM_AWT_FORWARD_CHAR handler will send
5889 // this character to DefWindowProc
5890 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5891 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5892 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5893 }
5894 }
5895 env->DeleteGlobalRef(self);
5896 env->DeleteGlobalRef(event);
5897 delete nhes;
5898 return;
5899 }
5900 break;
5901
5902 default:
5903 break;
5904 }
5905 }
5906
5907 // ignore all InputMethodEvents
5908 if (self && (pData = JNI_GET_PDATA(self)) &&
5909 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5910 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5911 env->DeleteGlobalRef(self);
5912 env->DeleteGlobalRef(event);
5913 delete nhes;
5914 return;
5915 }
5916
5917 // Create copy for local msg
5918 MSG* pCopiedMsg = new MSG;
5919 memmove(pCopiedMsg, &msg, sizeof(MSG));
5920 // Event handler deletes msg
5921 p->PostHandleEventMessage(pCopiedMsg, FALSE);
5922
5923 env->DeleteGlobalRef(self);
5924 env->DeleteGlobalRef(event);
5925 delete nhes;
5926 return;
5927 }
5928
5929 /* Forward any valid synthesized events. Currently only mouse and
5930 * key events are supported.
5931 */
5932 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5933 env->DeleteGlobalRef(self);
5934 env->DeleteGlobalRef(event);
5935 delete nhes;
5936 return;
5937 }
5938
5939 AwtComponent* p = (AwtComponent*)pData;
5940 if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5941 id <= java_awt_event_KeyEvent_KEY_LAST) {
5942 p->SynthesizeKeyMessage(env, event);
5943 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5944 id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5945 p->SynthesizeMouseMessage(env, event);
5946 }
5947 }
5948
5949 ret:
5950 if (self != NULL) {
5951 env->DeleteGlobalRef(self);
5952 }
5953 if (event != NULL) {
5954 env->DeleteGlobalRef(event);
5955 }
5956
5957 delete nhes;
5958 }
5959
5960 void AwtComponent::_SetForeground(void *param)
5961 {
5962 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5963
5964 SetColorStruct *scs = (SetColorStruct *)param;
5965 jobject self = scs->component;
5966 jint rgb = scs->rgb;
5967
5968 AwtComponent *c = NULL;
5969
5970 PDATA pData;
5971 JNI_CHECK_PEER_GOTO(self, ret);
5972 c = (AwtComponent *)pData;
5973 if (::IsWindow(c->GetHWnd()))
5974 {
5975 c->SetColor(PALETTERGB((rgb>>16)&0xff,
5976 (rgb>>8)&0xff,
5977 (rgb)&0xff));
5978 c->VerifyState();
5979 }
5980 ret:
5981 env->DeleteGlobalRef(self);
5982
5983 delete scs;
5984 }
5985
5986 void AwtComponent::_SetBackground(void *param)
5987 {
5988 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5989
5990 SetColorStruct *scs = (SetColorStruct *)param;
5991 jobject self = scs->component;
5992 jint rgb = scs->rgb;
5993
5994 AwtComponent *c = NULL;
5995
5996 PDATA pData;
5997 JNI_CHECK_PEER_GOTO(self, ret);
5998 c = (AwtComponent *)pData;
5999 if (::IsWindow(c->GetHWnd()))
6000 {
6001 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
6002 (rgb>>8)&0xff,
6003 (rgb)&0xff));
6004 c->VerifyState();
6005 }
6006 ret:
6007 env->DeleteGlobalRef(self);
6008
6009 delete scs;
6010 }
6011
6012 void AwtComponent::_SetFont(void *param)
6013 {
6014 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6015
6016 SetFontStruct *sfs = (SetFontStruct *)param;
6017 jobject self = sfs->component;
6018 jobject font = sfs->font;
6019
6020 AwtComponent *c = NULL;
6021
6022 PDATA pData;
6023 JNI_CHECK_PEER_GOTO(self, ret);
6024 JNI_CHECK_NULL_GOTO(font, "null font", ret);
6025 c = (AwtComponent *)pData;
6026 if (::IsWindow(c->GetHWnd()))
6027 {
6028 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
6029 if (awtFont == NULL) {
6030 /*arguments of AwtFont::Create are changed for multifont component */
6031 awtFont = AwtFont::Create(env, font);
6032 }
6033 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
6034
6035 c->SetFont(awtFont);
6036 }
6037 ret:
6038 env->DeleteGlobalRef(self);
6039 env->DeleteGlobalRef(font);
6040
6041 delete sfs;
6042 }
6043
6044 // Sets or kills focus for a component.
6045 void AwtComponent::_SetFocus(void *param)
6046 {
6047 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6048
6049 SetFocusStruct *sfs = (SetFocusStruct *)param;
6050 jobject self = sfs->component;
6051 jboolean doSetFocus = sfs->doSetFocus;
6052
6053 AwtComponent *c = NULL;
6054
6055 PDATA pData;
6056 JNI_CHECK_NULL_GOTO(self, "peer", ret);
6057 pData = JNI_GET_PDATA(self);
6058 if (pData == NULL) {
6059 // do nothing just return false
6060 goto ret;
6061 }
6062
6063 c = (AwtComponent *)pData;
6064 if (::IsWindow(c->GetHWnd())) {
6065 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
6066 }
6067 ret:
6068 env->DeleteGlobalRef(self);
6069
6070 delete sfs;
6071 }
6072
6073 void AwtComponent::_Start(void *param)
6074 {
6075 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6076
6077 jobject self = (jobject)param;
6078
6079 AwtComponent *c = NULL;
6080
6081 PDATA pData;
6082 JNI_CHECK_PEER_GOTO(self, ret);
6083 c = (AwtComponent *)pData;
6084 if (::IsWindow(c->GetHWnd()))
6085 {
6086 jobject target = c->GetTarget(env);
6087
6088 /* Disable window if specified -- windows are enabled by default. */
6089 jboolean enabled = (jboolean)env->GetBooleanField(target,
6090 AwtComponent::enabledID);
6091 if (!enabled) {
6092 ::EnableWindow(c->GetHWnd(), FALSE);
6093 }
6094
6095 /* The peer is now ready for callbacks, since this is the last
6096 * initialization call
6097 */
6098 c->EnableCallbacks(TRUE);
6099
6100 // Fix 4745222: we need to invalidate region since we validated it before initialization.
6101 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
6102
6103 // Fix 4530093: WM_PAINT after EnableCallbacks
6104 ::UpdateWindow(c->GetHWnd());
6105
6106 env->DeleteLocalRef(target);
6107 }
6108 ret:
6109 env->DeleteGlobalRef(self);
6110 }
6111
6112 void AwtComponent::_BeginValidate(void *param)
6113 {
6114 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6115 if (AwtToolkit::IsMainThread()) {
6116 jobject self = (jobject)param;
6117 if (self != NULL) {
6118 PDATA pData = JNI_GET_PDATA(self);
6119 if (pData) {
6120 AwtComponent *c = (AwtComponent *)pData;
6121 if (::IsWindow(c->GetHWnd())) {
6122 c->SendMessage(WM_AWT_BEGIN_VALIDATE);
6123 }
6124 }
6125 env->DeleteGlobalRef(self);
6126 }
6127 } else {
6128 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
6129 }
6130 }
6131
6132 void AwtComponent::_EndValidate(void *param)
6133 {
6134 if (AwtToolkit::IsMainThread()) {
6135 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6136 jobject self = (jobject)param;
6137 if (self != NULL) {
6138 PDATA pData = JNI_GET_PDATA(self);
6139 if (pData) {
6140 AwtComponent *c = (AwtComponent *)pData;
6141 if (::IsWindow(c->GetHWnd())) {
6142 c->SendMessage(WM_AWT_END_VALIDATE);
6143 }
6144 }
6145 env->DeleteGlobalRef(self);
6146 }
6147 } else {
6148 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
6149 }
6150 }
6151
6152 void AwtComponent::_UpdateWindow(void *param)
6153 {
6154 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6155 if (AwtToolkit::IsMainThread()) {
6156 jobject self = (jobject)param;
6157 AwtComponent *c = NULL;
6158 PDATA pData;
6159 JNI_CHECK_PEER_GOTO(self, ret);
6160 c = (AwtComponent *)pData;
6161 if (::IsWindow(c->GetHWnd())) {
6162 ::UpdateWindow(c->GetHWnd());
6163 }
6164 ret:
6165 env->DeleteGlobalRef(self);
6166 } else {
6167 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
6168 }
6169 }
6170
6171 jlong AwtComponent::_AddNativeDropTarget(void *param)
6172 {
6173 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6174
6175 jobject self = (jobject)param;
6176
6177 jlong result = 0;
6178 AwtComponent *c = NULL;
6179
6180 PDATA pData;
6181 JNI_CHECK_PEER_GOTO(self, ret);
6182 c = (AwtComponent *)pData;
6183 if (::IsWindow(c->GetHWnd()))
6184 {
6185 result = (jlong)(c->CreateDropTarget(env));
6186 }
6187 ret:
6188 env->DeleteGlobalRef(self);
6189
6190 return result;
6191 }
6192
6193 void AwtComponent::_RemoveNativeDropTarget(void *param)
6194 {
6195 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6196
6197 jobject self = (jobject)param;
6198
6199 AwtComponent *c = NULL;
6200
6201 PDATA pData;
6202 JNI_CHECK_PEER_GOTO(self, ret);
6203 c = (AwtComponent *)pData;
6204 if (::IsWindow(c->GetHWnd()))
6205 {
6206 c->DestroyDropTarget();
6207 }
6208 ret:
6209 env->DeleteGlobalRef(self);
6210 }
6211
6212 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6213 {
6214 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6215
6216 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6217 jobject self = cpps->component;
6218
6219 jintArray result = NULL;
6220 AwtComponent *c = NULL;
6221
6222 PDATA pData;
6223 JNI_CHECK_PEER_GOTO(self, ret);
6224 c = (AwtComponent *)pData;
6225 if (::IsWindow(c->GetHWnd()))
6226 {
6227 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6228 }
6229 ret:
6230 env->DeleteGlobalRef(self);
6231
6232 delete cpps;
6233 return result; // this reference is global
6234 }
6235
6236 jboolean AwtComponent::_IsObscured(void *param)
6237 {
6238 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6239
6240 jobject self = (jobject)param;
6241
6242 jboolean result = JNI_FALSE;
6243 AwtComponent *c = NULL;
6244
6245 PDATA pData;
6246 JNI_CHECK_PEER_GOTO(self, ret);
6247
6248 c = (AwtComponent *)pData;
6249
6250 if (::IsWindow(c->GetHWnd()))
6251 {
6252 HWND hWnd = c->GetHWnd();
6253 HDC hDC = ::GetDC(hWnd);
6254 RECT clipbox;
6255 int callresult = ::GetClipBox(hDC, &clipbox);
6256 switch(callresult) {
6257 case NULLREGION :
6258 result = JNI_FALSE;
6259 break;
6260 case SIMPLEREGION : {
6261 RECT windowRect;
6262 if (!::GetClientRect(hWnd, &windowRect)) {
6263 result = JNI_TRUE;
6264 } else {
6265 result = (jboolean)((clipbox.bottom != windowRect.bottom)
6266 || (clipbox.left != windowRect.left)
6267 || (clipbox.right != windowRect.right)
6268 || (clipbox.top != windowRect.top));
6269 }
6270 break;
6271 }
6272 case COMPLEXREGION :
6273 default :
6274 result = JNI_TRUE;
6275 break;
6276 }
6277 ::ReleaseDC(hWnd, hDC);
6278 }
6279 ret:
6280 env->DeleteGlobalRef(self);
6281
6282 return result;
6283 }
6284
6285 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6286 {
6287 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6288
6289 jobject self = (jobject)param;
6290
6291 jboolean result = JNI_FALSE;
6292 AwtComponent *c = NULL;
6293
6294 PDATA pData;
6295 JNI_CHECK_PEER_GOTO(self, ret);
6296 c = (AwtComponent *)pData;
6297 if (::IsWindow(c->GetHWnd()))
6298 {
6299 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6300 }
6301 ret:
6302 env->DeleteGlobalRef(self);
6303
6304 return result;
6305 }
6306
6307 void AwtComponent::_SetParent(void * param)
6308 {
6309 if (AwtToolkit::IsMainThread()) {
6310 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6311 SetParentStruct *data = (SetParentStruct*) param;
6312 jobject self = data->component;
6313 jobject parent = data->parentComp;
6314
6315 AwtComponent *awtComponent = NULL;
6316 AwtComponent *awtParent = NULL;
6317
6318 PDATA pData;
6319 JNI_CHECK_PEER_GOTO(self, ret);
6320 awtComponent = (AwtComponent *)pData;
6321 JNI_CHECK_PEER_GOTO(parent, ret);
6322 awtParent = (AwtComponent *)pData;
6323
6324 HWND selfWnd = awtComponent->GetHWnd();
6325 HWND parentWnd = awtParent->GetHWnd();
6326 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6327 // Shouldn't trigger native focus change
6328 // (only the proxy may be the native focus owner).
6329 ::SetParent(selfWnd, parentWnd);
6330 }
6331 ret:
6332 env->DeleteGlobalRef(self);
6333 env->DeleteGlobalRef(parent);
6334 delete data;
6335 } else {
6336 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetParent, param);
6337 }
6338 }
6339
6340 void AwtComponent::_SetRectangularShape(void *param)
6341 {
6342 if (!AwtToolkit::IsMainThread()) {
6343 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6344 } else {
6345 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6346
6347 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6348 jobject self = data->component;
6349 jint x1 = data->x1;
6350 jint x2 = data->x2;
6351 jint y1 = data->y1;
6352 jint y2 = data->y2;
6353 jobject region = data->region;
6354
6355 AwtComponent *c = NULL;
6356
6357 PDATA pData;
6358 JNI_CHECK_PEER_GOTO(self, ret);
6359
6360 c = (AwtComponent *)pData;
6361 if (::IsWindow(c->GetHWnd())) {
6362 HRGN hRgn = NULL;
6363
6364 // If all the params are zeros, the shape must be simply reset.
6365 // Otherwise, convert it into a region.
6366 if (region || x1 || x2 || y1 || y2) {
6367 RECT_T rects[256];
6368 RECT_T *pRect = rects;
6369
6370 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6371 region, &pRect, sizeof(rects)/sizeof(rects[0]));
6372 if (!pRect) {
6373 // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6374 // so throw the exception explicitly
6375 throw std::bad_alloc();
6376 }
6377
6378 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6379 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6380 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6381 if (pRect != rects) {
6382 free(pRect);
6383 }
6384 pRect = NULL;
6385
6386 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6387 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6388 pRgnHdr->iType = RDH_RECTANGLES;
6389 pRgnHdr->nRgnSize = 0;
6390 pRgnHdr->rcBound.top = 0;
6391 pRgnHdr->rcBound.left = 0;
6392 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6393 pRgnHdr->rcBound.right = LONG(x2 - x1);
6394 pRgnHdr->nCount = numrects;
6395
6396 hRgn = ::ExtCreateRegion(NULL,
6397 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6398
6399 free(pRgnData);
6400 }
6401
6402 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6403 }
6404
6405 ret:
6406 env->DeleteGlobalRef(self);
6407 if (region) {
6408 env->DeleteGlobalRef(region);
6409 }
6410
6411 delete data;
6412 }
6413 }
6414
6415 void AwtComponent::_SetZOrder(void *param) {
6416 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6417
6418 SetZOrderStruct *data = (SetZOrderStruct *)param;
6419 jobject self = data->component;
6420 HWND above = HWND_TOP;
6421 if (data->above != 0) {
6422 above = reinterpret_cast<HWND>(data->above);
6423 }
6424
6425 AwtComponent *c = NULL;
6426
6427 PDATA pData;
6428 JNI_CHECK_PEER_GOTO(self, ret);
6429
6430 c = (AwtComponent *)pData;
6431 if (::IsWindow(c->GetHWnd())) {
6432 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6433 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6434 }
6435
6436 ret:
6437 env->DeleteGlobalRef(self);
6438
6439 delete data;
6440 }
6441
6442 void AwtComponent::PostUngrabEvent() {
6443 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6444 jobject target = GetTarget(env);
6445 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6446 target);
6447 if (safe_ExceptionOccurred(env)) {
6448 env->ExceptionDescribe();
6449 env->ExceptionClear();
6450 }
6451 env->DeleteLocalRef(target);
6452 if (event != NULL) {
6453 SendEvent(event);
6454 env->DeleteLocalRef(event);
6455 }
6456 }
6457
6458 void AwtComponent::SetFocusedWindow(HWND window)
6459 {
6460 HWND old = sm_focusedWindow;
6461 sm_focusedWindow = window;
6462
6463 AwtWindow::FocusedWindowChanged(old, window);
6464 }
6465
6466 /************************************************************************
6467 * Component native methods
6468 */
6469
6470 extern "C" {
6471
6472 /**
6473 * This method is called from the WGL pipeline when it needs to retrieve
6474 * the HWND associated with a ComponentPeer's C++ level object.
6475 */
6476 HWND
6477 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6478 {
6479 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6480 if (p == NULL) {
6481 return (HWND)0;
6482 }
6483 return p->GetHWnd();
6484 }
6485
6486 static void _GetInsets(void* param)
6487 {
6488 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6489
6490 GetInsetsStruct *gis = (GetInsetsStruct *)param;
6491 jobject self = gis->window;
6492
6493 gis->insets->left = gis->insets->top =
6494 gis->insets->right = gis->insets->bottom = 0;
6495
6496 PDATA pData;
6497 JNI_CHECK_PEER_GOTO(self, ret);
6498 AwtComponent *component = (AwtComponent *)pData;
6499
6500 component->GetInsets(gis->insets);
6501
6502 ret:
6503 env->DeleteGlobalRef(self);
6504 delete gis;
6505 }
6506
6507 /**
6508 * This method is called from the WGL pipeline when it needs to retrieve
6509 * the insets associated with a ComponentPeer's C++ level object.
6510 */
6511 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6512 {
6513 TRY;
6514
6515 GetInsetsStruct *gis = new GetInsetsStruct;
6516 gis->window = env->NewGlobalRef(peer);
6517 gis->insets = insets;
6518
6519 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6520 // global refs and mds are deleted in _UpdateWindow
6521
6522 CATCH_BAD_ALLOC;
6523
6524 }
6525
6526 JNIEXPORT void JNICALL
6527 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6528 {
6529 TRY;
6530 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6531 CHECK_NULL(inputEventClazz);
6532 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6533 CHECK_NULL(getButtonDownMasksID);
6534 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6535 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6536 CHECK_NULL(tmp);
6537 jsize len = env->GetArrayLength(obj);
6538 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6539 for (int i = 0; i < len; i++) {
6540 AwtComponent::masks[i] = tmp[i];
6541 }
6542 env->ReleaseIntArrayElements(obj, tmp, 0);
6543 env->DeleteLocalRef(obj);
6544
6545 /* class ids */
6546 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6547
6548 DASSERT(peerCls);
6549 CHECK_NULL(peerCls);
6550
6551 /* field ids */
6552 AwtComponent::peerID =
6553 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6554 DASSERT(AwtComponent::peerID);
6555 CHECK_NULL(AwtComponent::peerID);
6556
6557 AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6558 DASSERT(AwtComponent::xID);
6559 CHECK_NULL(AwtComponent::xID);
6560
6561 AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6562 DASSERT(AwtComponent::yID);
6563 CHECK_NULL(AwtComponent::yID);
6564
6565 AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6566 DASSERT(AwtComponent::heightID);
6567 CHECK_NULL(AwtComponent::heightID);
6568
6569 AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6570 DASSERT(AwtComponent::widthID);
6571 CHECK_NULL(AwtComponent::widthID);
6572
6573 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6574 DASSERT(AwtComponent::visibleID);
6575 CHECK_NULL(AwtComponent::visibleID);
6576
6577 AwtComponent::backgroundID =
6578 env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6579 DASSERT(AwtComponent::backgroundID);
6580 CHECK_NULL(AwtComponent::backgroundID);
6581
6582 AwtComponent::foregroundID =
6583 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6584 DASSERT(AwtComponent::foregroundID);
6585 CHECK_NULL(AwtComponent::foregroundID);
6586
6587 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6588 DASSERT(AwtComponent::enabledID);
6589 CHECK_NULL(AwtComponent::enabledID);
6590
6591 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6592 DASSERT(AwtComponent::parentID);
6593 CHECK_NULL(AwtComponent::parentID);
6594
6595 AwtComponent::graphicsConfigID =
6596 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6597 DASSERT(AwtComponent::graphicsConfigID);
6598 CHECK_NULL(AwtComponent::graphicsConfigID);
6599
6600 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6601 DASSERT(AwtComponent::focusableID);
6602 CHECK_NULL(AwtComponent::focusableID);
6603
6604 AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6605 "Lsun/awt/AppContext;");
6606 DASSERT(AwtComponent::appContextID);
6607 CHECK_NULL(AwtComponent::appContextID);
6608
6609 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6610 "Lsun/awt/Win32GraphicsConfig;");
6611 DASSERT(AwtComponent::peerGCID);
6612 CHECK_NULL(AwtComponent::peerGCID);
6613
6614 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6615 DASSERT(AwtComponent::hwndID);
6616 CHECK_NULL(AwtComponent::hwndID);
6617
6618 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6619 DASSERT(AwtComponent::cursorID);
6620 CHECK_NULL(AwtComponent::cursorID);
6621
6622 /* method ids */
6623 AwtComponent::getFontMID =
6624 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6625 DASSERT(AwtComponent::getFontMID);
6626 CHECK_NULL(AwtComponent::getFontMID);
6627
6628 AwtComponent::getToolkitMID =
6629 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6630 DASSERT(AwtComponent::getToolkitMID);
6631 CHECK_NULL(AwtComponent::getToolkitMID);
6632
6633 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6634 DASSERT(AwtComponent::isEnabledMID);
6635 CHECK_NULL(AwtComponent::isEnabledMID);
6636
6637 AwtComponent::getLocationOnScreenMID =
6638 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6639 DASSERT(AwtComponent::getLocationOnScreenMID);
6640 CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6641
6642 AwtComponent::replaceSurfaceDataMID =
6643 env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6644 DASSERT(AwtComponent::replaceSurfaceDataMID);
6645 CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6646
6647 AwtComponent::replaceSurfaceDataLaterMID =
6648 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6649 DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6650 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6651
6652 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6653 DASSERT(AwtComponent::disposeLaterMID);
6654 CHECK_NULL(AwtComponent::disposeLaterMID);
6655
6656 CATCH_BAD_ALLOC;
6657 }
6658
6659 } /* extern "C" */
6660
6661
6662 /************************************************************************
6663 * ComponentPeer native methods
6664 */
6665
6666 extern "C" {
6667
6668 /*
6669 * Class: sun_awt_windows_WComponentPeer
6670 * Method: pShow
6671 * Signature: ()V
6672 */
6673 JNIEXPORT void JNICALL
6674 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6675 {
6676 TRY;
6677
6678 jobject selfGlobalRef = env->NewGlobalRef(self);
6679
6680 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6681 // selfGlobalRef is deleted in _Show
6682
6683 CATCH_BAD_ALLOC;
6684 }
6685
6686 /*
6687 * Class: sun_awt_windows_WComponentPeer
6688 * Method: hide
6689 * Signature: ()V
6690 */
6691 JNIEXPORT void JNICALL
6692 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6693 {
6694 TRY;
6695
6696 jobject selfGlobalRef = env->NewGlobalRef(self);
6697
6698 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6699 // selfGlobalRef is deleted in _Hide
6700
6701 CATCH_BAD_ALLOC;
6702 }
6703
6704 /*
6705 * Class: sun_awt_windows_WComponentPeer
6706 * Method: enable
6707 * Signature: ()V
6708 */
6709 JNIEXPORT void JNICALL
6710 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6711 {
6712 TRY;
6713
6714 jobject selfGlobalRef = env->NewGlobalRef(self);
6715
6716 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6717 // selfGlobalRef is deleted in _Enable
6718
6719 CATCH_BAD_ALLOC;
6720 }
6721
6722 /*
6723 * Class: sun_awt_windows_WComponentPeer
6724 * Method: disable
6725 * Signature: ()V
6726 */
6727 JNIEXPORT void JNICALL
6728 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6729 {
6730 TRY;
6731
6732 jobject selfGlobalRef = env->NewGlobalRef(self);
6733
6734 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6735 // selfGlobalRef is deleted in _Disable
6736
6737 CATCH_BAD_ALLOC;
6738 }
6739
6740 /*
6741 * Class: sun_awt_windows_WComponentPeer
6742 * Method: getLocationOnScreen
6743 * Signature: ()Ljava/awt/Point;
6744 */
6745 JNIEXPORT jobject JNICALL
6746 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6747 {
6748 TRY;
6749
6750 jobject selfGlobalRef = env->NewGlobalRef(self);
6751
6752 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6753 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6754 // selfGlobalRef is deleted in _GetLocationOnScreen
6755 if (resultGlobalRef != NULL)
6756 {
6757 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6758 env->DeleteGlobalRef(resultGlobalRef);
6759 return resultLocalRef;
6760 }
6761
6762 return NULL;
6763
6764 CATCH_BAD_ALLOC_RET(NULL);
6765 }
6766
6767 /*
6768 * Class: sun_awt_windows_WComponentPeer
6769 * Method: reshape
6770 * Signature: (IIII)V
6771 */
6772 JNIEXPORT void JNICALL
6773 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6774 jint x, jint y, jint w, jint h)
6775 {
6776 TRY;
6777
6778 ReshapeStruct *rs = new ReshapeStruct;
6779 rs->component = env->NewGlobalRef(self);
6780 rs->x = x;
6781 rs->y = y;
6782 rs->w = w;
6783 rs->h = h;
6784
6785 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6786 // global ref and rs are deleted in _Reshape
6787
6788 CATCH_BAD_ALLOC;
6789 }
6790
6791 /*
6792 * Class: sun_awt_windows_WComponentPeer
6793 * Method: reshape
6794 * Signature: (IIII)V
6795 */
6796 JNIEXPORT void JNICALL
6797 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6798 jint x, jint y, jint w, jint h)
6799 {
6800 TRY;
6801
6802 ReshapeStruct *rs = new ReshapeStruct;
6803 rs->component = env->NewGlobalRef(self);
6804 rs->x = x;
6805 rs->y = y;
6806 rs->w = w;
6807 rs->h = h;
6808
6809 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6810 // global ref and rs are deleted in _ReshapeNoCheck
6811
6812 CATCH_BAD_ALLOC;
6813 }
6814
6815
6816 /*
6817 * Class: sun_awt_windows_WComponentPeer
6818 * Method: nativeHandleEvent
6819 * Signature: (Ljava/awt/AWTEvent;)V
6820 */
6821 JNIEXPORT void JNICALL
6822 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6823 jobject self,
6824 jobject event)
6825 {
6826 TRY;
6827
6828 jobject selfGlobalRef = env->NewGlobalRef(self);
6829 jobject eventGlobalRef = env->NewGlobalRef(event);
6830
6831 NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6832 nhes->component = selfGlobalRef;
6833 nhes->event = eventGlobalRef;
6834
6835 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6836 // global refs and nhes are deleted in _NativeHandleEvent
6837
6838 CATCH_BAD_ALLOC;
6839 }
6840
6841 /*
6842 * Class: sun_awt_windows_WComponentPeer
6843 * Method: _dispose
6844 * Signature: ()V
6845 */
6846 JNIEXPORT void JNICALL
6847 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6848 {
6849 TRY_NO_HANG;
6850
6851 AwtObject::_Dispose(self);
6852
6853 CATCH_BAD_ALLOC;
6854 }
6855
6856 /*
6857 * Class: sun_awt_windows_WComponentPeer
6858 * Method: _setForeground
6859 * Signature: (I)V
6860 */
6861 JNIEXPORT void JNICALL
6862 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6863 jint rgb)
6864 {
6865 TRY;
6866
6867 jobject selfGlobalRef = env->NewGlobalRef(self);
6868
6869 SetColorStruct *scs = new SetColorStruct;
6870 scs->component = selfGlobalRef;
6871 scs->rgb = rgb;
6872
6873 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6874 // selfGlobalRef and scs are deleted in _SetForeground()
6875
6876 CATCH_BAD_ALLOC;
6877 }
6878
6879 /*
6880 * Class: sun_awt_windows_WComponentPeer
6881 * Method: _setBackground
6882 * Signature: (I)V
6883 */
6884 JNIEXPORT void JNICALL
6885 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6886 jint rgb)
6887 {
6888 TRY;
6889
6890 jobject selfGlobalRef = env->NewGlobalRef(self);
6891
6892 SetColorStruct *scs = new SetColorStruct;
6893 scs->component = selfGlobalRef;
6894 scs->rgb = rgb;
6895
6896 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6897 // selfGlobalRef and scs are deleted in _SetBackground()
6898
6899 CATCH_BAD_ALLOC;
6900 }
6901
6902 /*
6903 * Class: sun_awt_windows_WComponentPeer
6904 * Method: _setFont
6905 * Signature: (Ljava/awt/Font;)V
6906 */
6907 JNIEXPORT void JNICALL
6908 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6909 jobject font)
6910 {
6911 TRY;
6912
6913 jobject selfGlobalRef = env->NewGlobalRef(self);
6914 jobject fontGlobalRef = env->NewGlobalRef(font);
6915
6916 SetFontStruct *sfs = new SetFontStruct;
6917 sfs->component = selfGlobalRef;
6918 sfs->font = fontGlobalRef;
6919
6920 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6921 // global refs and sfs are deleted in _SetFont()
6922
6923 CATCH_BAD_ALLOC;
6924 }
6925
6926 /*
6927 * Class: sun_awt_windows_WComponentPeer
6928 * Method: focusGained
6929 * Signature: (Z)
6930 */
6931 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6932 (JNIEnv *env, jobject self, jboolean doSetFocus)
6933 {
6934 TRY;
6935
6936 jobject selfGlobalRef = env->NewGlobalRef(self);
6937
6938 SetFocusStruct *sfs = new SetFocusStruct;
6939 sfs->component = selfGlobalRef;
6940 sfs->doSetFocus = doSetFocus;
6941
6942 AwtToolkit::GetInstance().SyncCall(
6943 (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6944 // global refs and self are deleted in _SetFocus
6945
6946 CATCH_BAD_ALLOC;
6947 }
6948
6949 /*
6950 * Class: sun_awt_windows_WComponentPeer
6951 * Method: start
6952 * Signature: ()V
6953 */
6954 JNIEXPORT void JNICALL
6955 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6956 {
6957 TRY;
6958
6959 jobject selfGlobalRef = env->NewGlobalRef(self);
6960
6961 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6962 // selfGlobalRef is deleted in _Start
6963
6964 CATCH_BAD_ALLOC;
6965 }
6966
6967 /*
6968 * Class: sun_awt_windows_WComponentPeer
6969 * Method: beginValidate
6970 * Signature: ()V
6971 */
6972 JNIEXPORT void JNICALL
6973 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6974 {
6975 TRY;
6976
6977 jobject selfGlobalRef = env->NewGlobalRef(self);
6978
6979 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6980 // selfGlobalRef is deleted in _BeginValidate
6981
6982 CATCH_BAD_ALLOC;
6983 }
6984
6985 /*
6986 * Class: sun_awt_windows_WComponentPeer
6987 * Method: endValidate
6988 * Signature: ()V
6989 */
6990 JNIEXPORT void JNICALL
6991 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6992 {
6993 TRY;
6994
6995 jobject selfGlobalRef = env->NewGlobalRef(self);
6996
6997 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
6998 // selfGlobalRef is deleted in _EndValidate
6999
7000 CATCH_BAD_ALLOC;
7001 }
7002
7003 JNIEXPORT void JNICALL
7004 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
7005 {
7006 TRY;
7007
7008 jobject selfGlobalRef = env->NewGlobalRef(self);
7009
7010 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
7011 // selfGlobalRef is deleted in _UpdateWindow
7012
7013 CATCH_BAD_ALLOC;
7014 }
7015
7016 /*
7017 * Class: sun_awt_windows_WComponentPeer
7018 * Method: addNativeDropTarget
7019 * Signature: ()L
7020 */
7021
7022 JNIEXPORT jlong JNICALL
7023 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
7024 jobject self)
7025 {
7026 TRY;
7027
7028 jobject selfGlobalRef = env->NewGlobalRef(self);
7029
7030 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
7031 (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
7032 (void *)selfGlobalRef));
7033 // selfGlobalRef is deleted in _AddNativeDropTarget
7034
7035 CATCH_BAD_ALLOC_RET(0);
7036 }
7037
7038 /*
7039 * Class: sun_awt_windows_WComponentPeer
7040 * Method: removeNativeDropTarget
7041 * Signature: ()V
7042 */
7043
7044 JNIEXPORT void JNICALL
7045 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
7046 jobject self)
7047 {
7048 TRY;
7049
7050 jobject selfGlobalRef = env->NewGlobalRef(self);
7051
7052 AwtToolkit::GetInstance().SyncCall(
7053 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
7054 // selfGlobalRef is deleted in _RemoveNativeDropTarget
7055
7056 CATCH_BAD_ALLOC;
7057 }
7058
7059 /*
7060 * Class: sun_awt_windows_WComponentPeer
7061 * Method: getTargetGC
7062 * Signature: ()Ljava/awt/GraphicsConfiguration;
7063 */
7064 JNIEXPORT jobject JNICALL
7065 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
7066 {
7067 TRY;
7068
7069 jobject targetObj;
7070 jobject gc = 0;
7071
7072 targetObj = env->GetObjectField(theThis, AwtObject::targetID);
7073 DASSERT(targetObj);
7074
7075 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
7076 return gc;
7077
7078 CATCH_BAD_ALLOC_RET(NULL);
7079 }
7080
7081 /*
7082 * Class: sun_awt_windows_WComponentPeer
7083 * Method: createPrintedPixels
7084 * Signature: (IIIIII)I[
7085 */
7086 JNIEXPORT jintArray JNICALL
7087 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
7088 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
7089 {
7090 TRY;
7091
7092 jobject selfGlobalRef = env->NewGlobalRef(self);
7093
7094 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
7095 cpps->component = selfGlobalRef;
7096 cpps->srcx = srcX;
7097 cpps->srcy = srcY;
7098 cpps->srcw = srcW;
7099 cpps->srch = srcH;
7100 cpps->alpha = alpha;
7101
7102 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
7103 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
7104 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
7105 if (globalRef != NULL)
7106 {
7107 jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
7108 env->DeleteGlobalRef(globalRef);
7109 return localRef;
7110 }
7111 else
7112 {
7113 return NULL;
7114 }
7115
7116 CATCH_BAD_ALLOC_RET(NULL);
7117 }
7118
7119 /*
7120 * Class: sun_awt_windows_WComponentPeer
7121 * Method: nativeHandlesWheelScrolling
7122 * Signature: ()Z
7123 */
7124 JNIEXPORT jboolean JNICALL
7125 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
7126 jobject self)
7127 {
7128 TRY;
7129
7130 return (jboolean)((intptr_t)AwtToolkit::GetInstance().SyncCall(
7131 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
7132 env->NewGlobalRef(self)));
7133 // global ref is deleted in _NativeHandlesWheelScrolling
7134
7135 CATCH_BAD_ALLOC_RET(NULL);
7136 }
7137
7138 /*
7139 * Class: sun_awt_windows_WComponentPeer
7140 * Method: isObscured
7141 * Signature: ()Z
7142 */
7143 JNIEXPORT jboolean JNICALL
7144 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
7145 jobject self)
7146 {
7147 TRY;
7148
7149 jobject selfGlobalRef = env->NewGlobalRef(self);
7150
7151 return (jboolean)((intptr_t)AwtToolkit::GetInstance().SyncCall(
7152 (void*(*)(void*))AwtComponent::_IsObscured,
7153 (void *)selfGlobalRef));
7154 // selfGlobalRef is deleted in _IsObscured
7155
7156 CATCH_BAD_ALLOC_RET(NULL);
7157 }
7158
7159 JNIEXPORT void JNICALL
7160 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
7161 TRY;
7162
7163 SetParentStruct * data = new SetParentStruct;
7164 data->component = env->NewGlobalRef(self);
7165 data->parentComp = env->NewGlobalRef(parent);
7166
7167 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetParent, data);
7168 // global refs and data are deleted in SetParent
7169
7170 CATCH_BAD_ALLOC;
7171 }
7172
7173 JNIEXPORT void JNICALL
7174 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
7175 jint x1, jint y1, jint x2, jint y2, jobject region)
7176 {
7177 TRY;
7178
7179 SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
7180 data->component = env->NewGlobalRef(self);
7181 data->x1 = x1;
7182 data->x2 = x2;
7183 data->y1 = y1;
7184 data->y2 = y2;
7185 if (region) {
7186 data->region = env->NewGlobalRef(region);
7187 } else {
7188 data->region = NULL;
7189 }
7190
7191 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
7192 // global refs and data are deleted in _SetRectangularShape
7193
7194 CATCH_BAD_ALLOC;
7195 }
7196
7197 JNIEXPORT void JNICALL
7198 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
7199 {
7200 TRY;
7201
7202 SetZOrderStruct * data = new SetZOrderStruct;
7203 data->component = env->NewGlobalRef(self);
7204 data->above = above;
7205
7206 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
7207 // global refs and data are deleted in _SetLower
7208
7209 CATCH_BAD_ALLOC;
7210 }
7211
7212 } /* extern "C" */
7213
7214
7215 /************************************************************************
7216 * Diagnostic routines
7217 */
7218
7219 #ifdef DEBUG
7220
7221 void AwtComponent::VerifyState()
7222 {
7223 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7224 return;
7225 }
7226
7227 if (m_callbacksEnabled == FALSE) {
7228 /* Component is not fully setup yet. */
7229 return;
7230 }
7231
7232 /* Get target bounds. */
7233 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7234 if (env->PushLocalFrame(10) < 0)
7235 return;
7236
7237 jobject target = GetTarget(env);
7238
7239 jint x = env->GetIntField(target, AwtComponent::xID);
7240 jint y = env->GetIntField(target, AwtComponent::yID);
7241 jint width = env->GetIntField(target, AwtComponent::widthID);
7242 jint height = env->GetIntField(target, AwtComponent::heightID);
7243
7244 /* Convert target origin to absolute coordinates */
7245 while (TRUE) {
7246
7247 jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7248 if (parent == NULL) {
7249 break;
7250 }
7251 x += env->GetIntField(parent, AwtComponent::xID);
7252 y += env->GetIntField(parent, AwtComponent::yID);
7253
7254 /* If this component has insets, factor them in, but ignore
7255 * top-level windows.
7256 */
7257 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7258 if (parent2 != NULL) {
7259 jobject peer = GetPeerForTarget(env, parent);
7260 if (peer != NULL &&
7261 JNU_IsInstanceOfByName(env, peer,
7262 "sun/awt/windows/WPanelPeer") > 0) {
7263 jobject insets =
7264 JNU_CallMethodByName(env, NULL, peer,"insets",
7265 "()Ljava/awt/Insets;").l;
7266 x += (env)->GetIntField(insets, AwtInsets::leftID);
7267 y += (env)->GetIntField(insets, AwtInsets::topID);
7268 }
7269 }
7270 env->DeleteLocalRef(target);
7271 target = parent;
7272 }
7273
7274 x = ScaleUpX(x);
7275 y = ScaleUpY(y);
7276 width = ScaleUpX(width);
7277 height = ScaleUpY(height);
7278
7279 // Test whether component's bounds match the native window's
7280 RECT rect;
7281 VERIFY(::GetWindowRect(GetHWnd(), &rect));
7282 #if 0
7283 DASSERT( (x == rect.left) &&
7284 (y == rect.top) &&
7285 (width == (rect.right-rect.left)) &&
7286 (height == (rect.bottom-rect.top)) );
7287 #else
7288 BOOL fSizeValid = ( (x == rect.left) &&
7289 (y == rect.top) &&
7290 (width == (rect.right-rect.left)) &&
7291 (height == (rect.bottom-rect.top)) );
7292 #endif
7293
7294 // See if visible state matches
7295 BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7296 jboolean targetVisible;
7297 // To avoid possibly running client code on the toolkit thread, don't
7298 // do the following check if we're running on the toolkit thread.
7299 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7300 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7301 "isShowing", "()Z").z;
7302 DASSERT(!safe_ExceptionOccurred(env));
7303 } else {
7304 targetVisible = wndVisible ? 1 : 0;
7305 }
7306 #if 0
7307 DASSERT( (targetVisible && wndVisible) ||
7308 (!targetVisible && !wndVisible) );
7309 #else
7310 BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7311 (!targetVisible && !wndVisible) );
7312 #endif
7313
7314 // Check enabled state
7315 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7316 jboolean enabled = (jboolean)env->GetBooleanField(target,
7317 AwtComponent::enabledID);
7318 #if 0
7319 DASSERT( (enabled && wndEnabled) ||
7320 (!enabled && !wndEnabled) );
7321 #else
7322 BOOL fEnabledValid = ((enabled && wndEnabled) ||
7323 (!(enabled && !wndEnabled) ));
7324
7325 if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7326 printf("AwtComponent::ValidateState() failed:\n");
7327 // To avoid possibly running client code on the toolkit thread, don't
7328 // do the following call if we're running on the toolkit thread.
7329 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7330 jstring targetStr =
7331 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7332 "getName",
7333 "()Ljava/lang/String;").l;
7334 DASSERT(!safe_ExceptionOccurred(env));
7335 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7336 printf("\t%S\n", targetStrW);
7337 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7338 }
7339 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height);
7340 if (!fSizeValid) {
7341 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7342 rect.right-rect.left, rect.bottom-rect.top);
7343 }
7344 if (!fVisibleValid) {
7345 printf("\tshould be: %s\n",
7346 (targetVisible) ? "visible" : "hidden");
7347 }
7348 if (!fEnabledValid) {
7349 printf("\tshould be: %s\n",
7350 enabled ? "enabled" : "disabled");
7351 }
7352 }
7353 #endif
7354 env->PopLocalFrame(0);
7355 }
7356 #endif //DEBUG
7357
7358 // Methods for globally managed DC list
7359
7360 /**
7361 * Add a new DC to the DC list for this component.
7362 */
7363 void DCList::AddDC(HDC hDC, HWND hWnd)
7364 {
7365 DCItem *newItem = new DCItem;
7366 newItem->hDC = hDC;
7367 newItem->hWnd = hWnd;
7368 AddDCItem(newItem);
7369 }
7370
7371 void DCList::AddDCItem(DCItem *newItem)
7372 {
7373 listLock.Enter();
7374 newItem->next = head;
7375 head = newItem;
7376 listLock.Leave();
7377 }
7378
7379 /**
7380 * Given a DC and window handle, remove the DC from the DC list
7381 * and return TRUE if it exists on the current list. Otherwise
7382 * return FALSE.
7383 * A DC may not exist on the list because it has already
7384 * been released elsewhere (for example, the window
7385 * destruction process may release a DC while a rendering
7386 * thread may also want to release a DC when it notices that
7387 * its DC is obsolete for the current window).
7388 */
7389 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd)
7390 {
7391 listLock.Enter();
7392 DCItem **prevPtrPtr = &head;
7393 DCItem *listPtr = head;
7394 while (listPtr) {
7395 DCItem *nextPtr = listPtr->next;
7396 if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) {
7397 *prevPtrPtr = nextPtr;
7398 break;
7399 }
7400 prevPtrPtr = &listPtr->next;
7401 listPtr = nextPtr;
7402 }
7403 listLock.Leave();
7404 return listPtr;
7405 }
7406
7407 /**
7408 * Remove all DCs from the DC list which are associated with
7409 * the same window as hWnd. Return the list of those
7410 * DC's to the caller (which will then probably want to
7411 * call ReleaseDC() for the returned DCs).
7412 */
7413 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7414 {
7415 listLock.Enter();
7416 DCItem **prevPtrPtr = &head;
7417 DCItem *listPtr = head;
7418 DCItem *newListPtr = NULL;
7419 BOOL ret = FALSE;
7420 while (listPtr) {
7421 DCItem *nextPtr = listPtr->next;
7422 if (listPtr->hWnd == hWnd) {
7423 *prevPtrPtr = nextPtr;
7424 listPtr->next = newListPtr;
7425 newListPtr = listPtr;
7426 } else {
7427 prevPtrPtr = &listPtr->next;
7428 }
7429 listPtr = nextPtr;
7430 }
7431 listLock.Leave();
7432 return newListPtr;
7433 }
7434
7435
7436 /**
7437 * Realize palettes of all existing HDC objects
7438 */
7439 void DCList::RealizePalettes(int screen)
7440 {
7441 listLock.Enter();
7442 DCItem *listPtr = head;
7443 while (listPtr) {
7444 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7445 listPtr = listPtr->next;
7446 }
7447 listLock.Leave();
7448 }
7449
7450 void MoveDCToPassiveList(HDC hDC, HWND hWnd) {
7451 DCItem *removedDC;
7452 if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) {
7453 passiveDCList.AddDCItem(removedDC);
7454 }
7455 }
7456
7457 void ReleaseDCList(HWND hwnd, DCList &list) {
7458 DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7459 while (removedDCs) {
7460 DCItem *tmpDCList = removedDCs;
7461 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7462 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7463 VERIFY(retValue != 0);
7464 if (retValue != 0) {
7465 // Valid ReleaseDC call; need to decrement GDI object counter
7466 AwtGDIObject::Decrement();
7467 }
7468 removedDCs = removedDCs->next;
7469 delete tmpDCList;
7470 }
7471 }