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 CallProxyDefWindowProc(message, wParam, lParam, retValue, mr);
1832 // should return non-zero if we process this message
1833 retValue = 1;
1834 break;
1835
1836 case WM_AWT_FORWARD_CHAR:
1837 mr = WmForwardChar(LOWORD(wParam), lParam, HIWORD(wParam));
1838 break;
1839
1840 case WM_AWT_FORWARD_BYTE:
1841 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1842 break;
1843
1844 case WM_PASTE:
1845 mr = WmPaste();
1846 break;
1847 case WM_TIMER:
1848 mr = WmTimer(wParam);
1849 break;
1850
1851 case WM_COMMAND:
1852 mr = WmCommand(LOWORD(wParam), (HWND)lParam, HIWORD(wParam));
1853 break;
1854 case WM_COMPAREITEM:
1855 mr = WmCompareItem(static_cast<UINT>(wParam),
1856 *(COMPAREITEMSTRUCT*)lParam, retValue);
1857 break;
1858 case WM_DELETEITEM:
1859 mr = WmDeleteItem(static_cast<UINT>(wParam),
1860 *(DELETEITEMSTRUCT*)lParam);
1861 break;
1862 case WM_DRAWITEM:
1863 mr = WmDrawItem(static_cast<UINT>(wParam),
1864 *(DRAWITEMSTRUCT*)lParam);
1865 break;
1866 case WM_MEASUREITEM:
1867 mr = WmMeasureItem(static_cast<UINT>(wParam),
1868 *(MEASUREITEMSTRUCT*)lParam);
1869 break;
1870
1871 case WM_AWT_HANDLE_EVENT:
1872 mr = HandleEvent( (MSG *) lParam, (BOOL) wParam);
1873 break;
1874
1875 case WM_PRINT:
1876 mr = WmPrint((HDC)wParam, lParam);
1877 break;
1878 case WM_PRINTCLIENT:
1879 mr = WmPrintClient((HDC)wParam, lParam);
1880 break;
1881
1882 case WM_NCCALCSIZE:
1883 mr = WmNcCalcSize((BOOL)wParam, (LPNCCALCSIZE_PARAMS)lParam,
1884 retValue);
1885 break;
1886 case WM_NCPAINT:
1887 mr = WmNcPaint((HRGN)wParam);
1888 break;
1889 case WM_NCHITTEST:
1890 mr = WmNcHitTest(LOWORD(lParam), HIWORD(lParam), retValue);
1891 break;
1892
1893 case WM_AWT_RESHAPE_COMPONENT: {
1894 RECT* r = (RECT*)lParam;
1895 WPARAM checkEmbedded = wParam;
1896 if (checkEmbedded == CHECK_EMBEDDED && IsEmbeddedFrame()) {
1897 ::OffsetRect(r, -r->left, -r->top);
1898 }
1899 Reshape(r->left, r->top, r->right - r->left, r->bottom - r->top);
1900 delete r;
1901 mr = mrConsume;
1902 break;
1903 }
1904
1905 case WM_AWT_SETALWAYSONTOP: {
1906 AwtWindow* w = (AwtWindow*)lParam;
1907 BOOL value = (BOOL)wParam;
1908 UINT flags = SWP_NOMOVE | SWP_NOSIZE;
1909 // transient windows shouldn't change the owner window's position in the z-order
1910 if (w->IsRetainingHierarchyZOrder()) {
1911 flags |= SWP_NOOWNERZORDER;
1912 }
1913 ::SetWindowPos(w->GetHWnd(), (value != 0 ? HWND_TOPMOST : HWND_NOTOPMOST),
1914 0,0,0,0, flags);
1915 break;
1916 }
1917
1918 case WM_AWT_BEGIN_VALIDATE:
1919 BeginValidate();
1920 mr = mrConsume;
1921 break;
1922 case WM_AWT_END_VALIDATE:
1923 EndValidate();
1924 mr = mrConsume;
1925 break;
1926
1927 case WM_PALETTEISCHANGING:
1928 mr = WmPaletteIsChanging((HWND)wParam);
1929 mr = mrDoDefault;
1930 break;
1931 case WM_QUERYNEWPALETTE:
1932 mr = WmQueryNewPalette(retValue);
1933 break;
1934 case WM_PALETTECHANGED:
1935 mr = WmPaletteChanged((HWND)wParam);
1936 break;
1937 case WM_STYLECHANGED:
1938 mr = WmStyleChanged(static_cast<int>(wParam), (LPSTYLESTRUCT)lParam);
1939 break;
1940 case WM_SETTINGCHANGE:
1941 CheckFontSmoothingSettings(NULL);
1942 mr = WmSettingChange(static_cast<UINT>(wParam), (LPCTSTR)lParam);
1943 break;
1944 case WM_CONTEXTMENU:
1945 mr = WmContextMenu((HWND)wParam,
1946 GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1947 break;
1948
1949 /*
1950 * These messages are used to route Win32 calls to the
1951 * creating thread, since these calls fail unless executed
1952 * there.
1953 */
1954 case WM_AWT_COMPONENT_SHOW:
1955 Show();
1956 mr = mrConsume;
1957 break;
1958 case WM_AWT_COMPONENT_HIDE:
1959 Hide();
1960 mr = mrConsume;
1961 break;
1962
1963 case WM_AWT_COMPONENT_SETFOCUS:
1964 if ((BOOL)wParam) {
1965 retValue = SynthesizeWmSetFocus(GetHWnd(), NULL);
1966 } else {
1967 retValue = SynthesizeWmKillFocus(GetHWnd(), NULL);
1968 }
1969 mr = mrConsume;
1970 break;
1971 case WM_AWT_WINDOW_SETACTIVE:
1972 retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam);
1973 mr = mrConsume;
1974 break;
1975
1976 case WM_AWT_SET_SCROLL_INFO: {
1977 SCROLLINFO *si = (SCROLLINFO *) lParam;
1978 ::SetScrollInfo(GetHWnd(), (int) wParam, si, TRUE);
1979 delete si;
1980 mr = mrConsume;
1981 break;
1982 }
1983 case WM_AWT_CREATE_PRINTED_PIXELS: {
1984 CreatePrintedPixelsStruct* cpps = (CreatePrintedPixelsStruct*)wParam;
1985 SIZE loc = { cpps->srcx, cpps->srcy };
1986 SIZE size = { cpps->srcw, cpps->srch };
1987 retValue = (LRESULT)CreatePrintedPixels(loc, size, cpps->alpha);
1988 mr = mrConsume;
1989 break;
1990 }
1991 case WM_UNDOCUMENTED_CLICKMENUBAR:
1992 {
1993 if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) {
1994 mr = mrConsume;
1995 }
1996 }
1997 }
1998
1999 /*
2000 * If not a specific Consume, it was a specific DoDefault, or a
2001 * PassAlong (since the default is the next in chain), then call the
2002 * default proc.
2003 */
2004 if (mr != mrConsume) {
2005 retValue = DefWindowProc(message, wParam, lParam);
2006 }
2007
2008 return retValue;
2009 }
2010 /*
2011 * Call this instance's default window proc, or if none set, call the stock
2012 * Window's one.
2013 */
2014 LRESULT AwtComponent::DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam)
2015 {
2016 return ComCtl32Util::GetInstance().DefWindowProc(m_DefWindowProc, GetHWnd(), msg, wParam, lParam);
2017 }
2018
2019 /*
2020 * This message should only be received when a window is destroyed by
2021 * Windows, and not Java. Window termination has been reworked so
2022 * this method should never be called during termination.
2023 */
2024 MsgRouting AwtComponent::WmDestroy()
2025 {
2026 return mrConsume;
2027 }
2028
2029 /*
2030 * This message should only be received when a window is destroyed by
2031 * Windows, and not Java. It is sent only after child windows were destroyed.
2032 */
2033 MsgRouting AwtComponent::WmNcDestroy()
2034 {
2035 if (m_peerObject != NULL) { // is not being terminating
2036 // Stay in this handler until AwtComponent::Dispose is called.
2037 m_bPauseDestroy = TRUE;
2038
2039 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
2040 // Post invocation event for WObjectPeer.dispose to EDT
2041 env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID);
2042 // Wait until AwtComponent::Dispose is called
2043 AwtToolkit::GetInstance().PumpToDestroy(this);
2044 }
2045
2046 return mrConsume;
2047 }
2048
2049 MsgRouting AwtComponent::WmGetMinMaxInfo(LPMINMAXINFO lpmmi)
2050 {
2051 return mrDoDefault;
2052 }
2053
2054 MsgRouting AwtComponent::WmMove(int x, int y)
2055 {
2056 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2057 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2058 return mrDoDefault;
2059 }
2060
2061 MsgRouting AwtComponent::WmSize(UINT type, int w, int h)
2062 {
2063 SetDrawState(GetDrawState() | static_cast<jint>(JAWT_LOCK_BOUNDS_CHANGED)
2064 | static_cast<jint>(JAWT_LOCK_CLIP_CHANGED));
2065 return mrDoDefault;
2066 }
2067
2068 MsgRouting AwtComponent::WmSizing()
2069 {
2070 return mrDoDefault;
2071 }
2072
2073 MsgRouting AwtComponent::WmSysCommand(UINT uCmdType, int xPos, int yPos)
2074 {
2075 return mrDoDefault;
2076 }
2077
2078 MsgRouting AwtComponent::WmEnterSizeMove()
2079 {
2080 return mrDoDefault;
2081 }
2082
2083 MsgRouting AwtComponent::WmExitSizeMove()
2084 {
2085 return mrDoDefault;
2086 }
2087
2088 MsgRouting AwtComponent::WmEnterMenuLoop(BOOL isTrackPopupMenu)
2089 {
2090 return mrDoDefault;
2091 }
2092
2093 MsgRouting AwtComponent::WmExitMenuLoop(BOOL isTrackPopupMenu)
2094 {
2095 return mrDoDefault;
2096 }
2097
2098 MsgRouting AwtComponent::WmShowWindow(BOOL show, UINT status)
2099 {
2100 return mrDoDefault;
2101 }
2102
2103 MsgRouting AwtComponent::WmSetFocus(HWND hWndLostFocus)
2104 {
2105 m_wheelRotationAmountX = 0;
2106 m_wheelRotationAmountY = 0;
2107 return mrDoDefault;
2108 }
2109
2110 MsgRouting AwtComponent::WmKillFocus(HWND hWndGotFocus)
2111 {
2112 m_wheelRotationAmountX = 0;
2113 m_wheelRotationAmountY = 0;
2114 return mrDoDefault;
2115 }
2116
2117 MsgRouting AwtComponent::WmCtlColor(HDC hDC, HWND hCtrl,
2118 UINT ctlColor, HBRUSH& retBrush)
2119 {
2120 AwtComponent* child = AwtComponent::GetComponent(hCtrl);
2121 if (child) {
2122 ::SetBkColor(hDC, child->GetBackgroundColor());
2123 ::SetTextColor(hDC, child->GetColor());
2124 retBrush = child->GetBackgroundBrush();
2125 return mrConsume;
2126 }
2127 return mrDoDefault;
2128 /*
2129 switch (ctlColor) {
2130 case CTLCOLOR_MSGBOX:
2131 case CTLCOLOR_EDIT:
2132 case CTLCOLOR_LISTBOX:
2133 case CTLCOLOR_BTN:
2134 case CTLCOLOR_DLG:
2135 case CTLCOLOR_SCROLLBAR:
2136 case CTLCOLOR_STATIC:
2137 }
2138 */
2139 }
2140
2141 MsgRouting AwtComponent::WmHScroll(UINT scrollCode, UINT pos,
2142 HWND hScrollbar) {
2143 if (hScrollbar && hScrollbar != GetHWnd()) {
2144 /* the last test should never happen */
2145 AwtComponent* sb = GetComponent(hScrollbar);
2146 if (sb) {
2147 sb->WmHScroll(scrollCode, pos, hScrollbar);
2148 }
2149 }
2150 return mrDoDefault;
2151 }
2152
2153 MsgRouting AwtComponent::WmVScroll(UINT scrollCode, UINT pos, HWND hScrollbar)
2154 {
2155 if (hScrollbar && hScrollbar != GetHWnd()) {
2156 /* the last test should never happen */
2157 AwtComponent* sb = GetComponent(hScrollbar);
2158 if (sb) {
2159 sb->WmVScroll(scrollCode, pos, hScrollbar);
2160 }
2161 }
2162 return mrDoDefault;
2163 }
2164
2165
2166 MsgRouting AwtComponent::WmPaint(HDC)
2167 {
2168 /* Get the rectangle that covers all update regions, if any exist. */
2169 RECT r;
2170 if (::GetUpdateRect(GetHWnd(), &r, FALSE)) {
2171 if ((r.right-r.left) > 0 && (r.bottom-r.top) > 0 &&
2172 m_peerObject != NULL && m_callbacksEnabled) {
2173 /*
2174 * Always call handlePaint, because the underlying control
2175 * will have painted itself (the "background") before any
2176 * paint method is called.
2177 */
2178 DoCallback("handlePaint", "(IIII)V",
2179 r.left, r.top, r.right-r.left, r.bottom-r.top);
2180 }
2181 }
2182 return mrDoDefault;
2183 }
2184
2185 void AwtComponent::PaintUpdateRgn(const RECT *insets)
2186 {
2187 // Fix 4530093: Don't Validate if can't actually paint
2188 if (m_peerObject == NULL || !m_callbacksEnabled) {
2189
2190 // Fix 4745222: If we don't ValidateRgn, windows will keep sending
2191 // WM_PAINT messages until we do. This causes java to go into
2192 // a tight loop that increases CPU to 100% and starves main
2193 // thread which needs to complete initialization, but cant.
2194 ::ValidateRgn(GetHWnd(), NULL);
2195
2196 return;
2197 }
2198
2199 HRGN rgn = ::CreateRectRgn(0,0,1,1);
2200 int updated = ::GetUpdateRgn(GetHWnd(), rgn, FALSE);
2201 /*
2202 * Now remove all update regions from this window -- do it
2203 * here instead of after the Java upcall, in case any new
2204 * updating is requested.
2205 */
2206 ::ValidateRgn(GetHWnd(), NULL);
2207
2208 if (updated == COMPLEXREGION || updated == SIMPLEREGION) {
2209 if (insets != NULL) {
2210 ::OffsetRgn(rgn, insets->left, insets->top);
2211 }
2212 DWORD size = ::GetRegionData(rgn, 0, NULL);
2213 if (size == 0) {
2214 ::DeleteObject((HGDIOBJ)rgn);
2215 return;
2216 }
2217 char* buffer = new char[size]; // safe because sizeof(char)==1
2218 memset(buffer, 0, size);
2219 LPRGNDATA rgndata = (LPRGNDATA)buffer;
2220 rgndata->rdh.dwSize = sizeof(RGNDATAHEADER);
2221 rgndata->rdh.iType = RDH_RECTANGLES;
2222 int retCode = ::GetRegionData(rgn, size, rgndata);
2223 VERIFY(retCode);
2224 if (retCode == 0) {
2225 delete [] buffer;
2226 ::DeleteObject((HGDIOBJ)rgn);
2227 return;
2228 }
2229 /*
2230 * Updating rects are divided into mostly vertical and mostly horizontal
2231 * Each group is united together and if not empty painted separately
2232 */
2233 RECT* r = (RECT*)(buffer + rgndata->rdh.dwSize);
2234 RECT* un[2] = {0, 0};
2235 DWORD i;
2236 for (i = 0; i < rgndata->rdh.nCount; i++, r++) {
2237 int width = r->right-r->left;
2238 int height = r->bottom-r->top;
2239 if (width > 0 && height > 0) {
2240 int toAdd = (width > height) ? 0: 1;
2241 if (un[toAdd] != 0) {
2242 ::UnionRect(un[toAdd], un[toAdd], r);
2243 } else {
2244 un[toAdd] = r;
2245 }
2246 }
2247 }
2248 for(i = 0; i < 2; i++) {
2249 if (un[i] != 0) {
2250 DoCallback("handleExpose", "(IIII)V",
2251 ScaleDownX(un[i]->left),
2252 ScaleDownY(un[i]->top),
2253 ScaleDownX(un[i]->right - un[i]->left),
2254 ScaleDownY(un[i]->bottom - un[i]->top));
2255 }
2256 }
2257 delete [] buffer;
2258 }
2259 ::DeleteObject((HGDIOBJ)rgn);
2260 }
2261
2262 MsgRouting AwtComponent::WmMouseEnter(UINT flags, int x, int y)
2263 {
2264 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_ENTERED,
2265 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(), 0, JNI_FALSE);
2266 if ((flags & ALL_MK_BUTTONS) == 0) {
2267 AwtCursor::UpdateCursor(this);
2268 }
2269 sm_cursorOn = GetHWnd();
2270 return mrConsume; /* Don't pass our synthetic event on! */
2271 }
2272
2273 MSG*
2274 AwtComponent::CreateMessage(UINT message, WPARAM wParam, LPARAM lParam,
2275 int x = 0, int y = 0)
2276 {
2277 MSG* pMsg = new MSG;
2278 InitMessage(pMsg, message, wParam, lParam, x, y);
2279 return pMsg;
2280 }
2281
2282
2283 jint
2284 AwtComponent::GetDrawState(HWND hwnd) {
2285 return (jint)(INT_PTR)(::GetProp(hwnd, DrawingStateProp));
2286 }
2287
2288 void
2289 AwtComponent::SetDrawState(HWND hwnd, jint state) {
2290 ::SetProp(hwnd, DrawingStateProp, (HANDLE)(INT_PTR)state);
2291 }
2292
2293 void
2294 AwtComponent::InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam,
2295 int x = 0, int y = 0)
2296 {
2297 msg->message = message;
2298 msg->wParam = wParam;
2299 msg->lParam = lParam;
2300 msg->time = ::GetMessageTime();
2301 msg->pt.x = x;
2302 msg->pt.y = y;
2303 }
2304
2305 MsgRouting AwtComponent::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) {
2306 return mrDoDefault;
2307 }
2308 MsgRouting AwtComponent::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) {
2309 return mrDoDefault;
2310 }
2311
2312 MsgRouting AwtComponent::WmWindowPosChanging(LPARAM windowPos) {
2313 return mrDoDefault;
2314 }
2315 MsgRouting AwtComponent::WmWindowPosChanged(LPARAM windowPos) {
2316 return mrDoDefault;
2317 }
2318
2319 void AwtComponent::WmTouch(WPARAM wParam, LPARAM lParam) {
2320 AwtToolkit& tk = AwtToolkit::GetInstance();
2321 if (!tk.IsWin8OrLater() || !tk.IsTouchKeyboardAutoShowEnabled()) {
2322 return;
2323 }
2324
2325 UINT inputsCount = LOWORD(wParam);
2326 TOUCHINPUT* pInputs = new TOUCHINPUT[inputsCount];
2327 if (pInputs != NULL) {
2328 if (tk.TIGetTouchInputInfo((HTOUCHINPUT)lParam, inputsCount, pInputs,
2329 sizeof(TOUCHINPUT)) != 0) {
2330 for (UINT i = 0; i < inputsCount; i++) {
2331 TOUCHINPUT ti = pInputs[i];
2332 if (ti.dwFlags & TOUCHEVENTF_PRIMARY) {
2333 if (ti.dwFlags & TOUCHEVENTF_DOWN) {
2334 m_touchDownPoint.x = ti.x / 100;
2335 m_touchDownPoint.y = ti.y / 100;
2336 ::ScreenToClient(GetHWnd(), &m_touchDownPoint);
2337 m_touchDownOccurred = TRUE;
2338 } else if (ti.dwFlags & TOUCHEVENTF_UP) {
2339 m_touchUpPoint.x = ti.x / 100;
2340 m_touchUpPoint.y = ti.y / 100;
2341 ::ScreenToClient(GetHWnd(), &m_touchUpPoint);
2342 m_touchUpOccurred = TRUE;
2343 }
2344 }
2345 }
2346 }
2347 delete[] pInputs;
2348 }
2349 }
2350
2351 /* Double-click variables. */
2352 static jlong multiClickTime = ::GetDoubleClickTime();
2353 static int multiClickMaxX = ::GetSystemMetrics(SM_CXDOUBLECLK);
2354 static int multiClickMaxY = ::GetSystemMetrics(SM_CYDOUBLECLK);
2355 static AwtComponent* lastClickWnd = NULL;
2356 static jlong lastTime = 0;
2357 static int lastClickX = 0;
2358 static int lastClickY = 0;
2359 static int lastButton = 0;
2360 static int clickCount = 0;
2361
2362 // A static method that makes the clickCount available in the derived classes
2363 // overriding WmMouseDown().
2364 int AwtComponent::GetClickCount()
2365 {
2366 return clickCount;
2367 }
2368
2369 MsgRouting AwtComponent::WmMouseDown(UINT flags, int x, int y, int button)
2370 {
2371 jlong now = ::JVM_CurrentTimeMillis(NULL, 0);
2372
2373 if (lastClickWnd == this &&
2374 lastButton == button &&
2375 (now - lastTime) <= multiClickTime &&
2376 abs(x - lastClickX) <= multiClickMaxX &&
2377 abs(y - lastClickY) <= multiClickMaxY)
2378 {
2379 clickCount++;
2380 } else {
2381 clickCount = 1;
2382 lastClickWnd = this;
2383 lastButton = button;
2384 lastClickX = x;
2385 lastClickY = y;
2386 }
2387 /*
2388 *Set appropriate bit of the mask on WM_MOUSE_DOWN message.
2389 */
2390 m_mouseButtonClickAllowed |= GetButtonMK(button);
2391 lastTime = now;
2392
2393 BOOL causedByTouchEvent = FALSE;
2394 if (m_touchDownOccurred &&
2395 (abs(m_touchDownPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2396 (abs(m_touchDownPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2397 causedByTouchEvent = TRUE;
2398 m_touchDownOccurred = FALSE;
2399 }
2400
2401 MSG msg;
2402 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2403
2404 AwtWindow *toplevel = GetContainer();
2405 if (toplevel && !toplevel->IsSimpleWindow()) {
2406 /*
2407 * The frame should be focused by click in case it is
2408 * the active window but not the focused window. See 6886678.
2409 */
2410 if (toplevel->GetHWnd() == ::GetActiveWindow() &&
2411 toplevel->GetHWnd() != AwtComponent::GetFocusedWindow())
2412 {
2413 toplevel->AwtSetActiveWindow();
2414 }
2415 }
2416
2417 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_PRESSED, now, x, y,
2418 GetJavaModifiers(), clickCount, JNI_FALSE,
2419 GetButton(button), &msg, causedByTouchEvent);
2420 /*
2421 * NOTE: this call is intentionally placed after all other code,
2422 * since AwtComponent::WmMouseDown() assumes that the cached id of the
2423 * latest retrieved message (see lastMessage in awt_Component.cpp)
2424 * matches the mouse message being processed.
2425 * SetCapture() sends WM_CAPTURECHANGED and breaks that
2426 * assumption.
2427 */
2428 SetDragCapture(flags);
2429
2430 AwtWindow * owner = (AwtWindow*)GetComponent(GetTopLevelParentForWindow(GetHWnd()));
2431 if (AwtWindow::GetGrabbedWindow() != NULL && owner != NULL) {
2432 if (!AwtWindow::GetGrabbedWindow()->IsOneOfOwnersOf(owner)) {
2433 AwtWindow::GetGrabbedWindow()->Ungrab();
2434 }
2435 }
2436 return mrConsume;
2437 }
2438
2439 MsgRouting AwtComponent::WmMouseUp(UINT flags, int x, int y, int button)
2440 {
2441 BOOL causedByTouchEvent = FALSE;
2442 if (m_touchUpOccurred &&
2443 (abs(m_touchUpPoint.x - x) <= TOUCH_MOUSE_COORDS_DELTA) &&
2444 (abs(m_touchUpPoint.y - y) <= TOUCH_MOUSE_COORDS_DELTA)) {
2445 causedByTouchEvent = TRUE;
2446 m_touchUpOccurred = FALSE;
2447 }
2448
2449 MSG msg;
2450 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2451
2452 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_RELEASED, ::JVM_CurrentTimeMillis(NULL, 0),
2453 x, y, GetJavaModifiers(), clickCount,
2454 (GetButton(button) == java_awt_event_MouseEvent_BUTTON3 ?
2455 TRUE : FALSE), GetButton(button), &msg, causedByTouchEvent);
2456 /*
2457 * If no movement, then report a click following the button release.
2458 * When WM_MOUSEUP comes to a window without previous WM_MOUSEDOWN,
2459 * spurous MOUSE_CLICK is about to happen. See 6430553.
2460 */
2461 if ((m_mouseButtonClickAllowed & GetButtonMK(button)) != 0) { //CLICK allowed
2462 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_CLICKED,
2463 ::JVM_CurrentTimeMillis(NULL, 0), x, y, GetJavaModifiers(),
2464 clickCount, JNI_FALSE, GetButton(button));
2465 }
2466 // Exclude button from allowed to generate CLICK messages
2467 m_mouseButtonClickAllowed &= ~GetButtonMK(button);
2468
2469 if ((flags & ALL_MK_BUTTONS) == 0) {
2470 // only update if all buttons have been released
2471 AwtCursor::UpdateCursor(this);
2472 }
2473 /*
2474 * NOTE: this call is intentionally placed after all other code,
2475 * since AwtComponent::WmMouseUp() assumes that the cached id of the
2476 * latest retrieved message (see lastMessage in awt_Component.cpp)
2477 * matches the mouse message being processed.
2478 * ReleaseCapture() sends WM_CAPTURECHANGED and breaks that
2479 * assumption.
2480 */
2481 ReleaseDragCapture(flags);
2482
2483 return mrConsume;
2484 }
2485
2486 MsgRouting AwtComponent::WmMouseMove(UINT flags, int x, int y)
2487 {
2488 static AwtComponent* lastComp = NULL;
2489 static int lastX = 0;
2490 static int lastY = 0;
2491
2492 /*
2493 * Only report mouse move and drag events if a move or drag
2494 * actually happened -- Windows sends a WM_MOUSEMOVE in case the
2495 * app wants to modify the cursor.
2496 */
2497 if (lastComp != this || x != lastX || y != lastY) {
2498 lastComp = this;
2499 lastX = x;
2500 lastY = y;
2501 BOOL extraButtonsEnabled = AwtToolkit::GetInstance().areExtraMouseButtonsEnabled();
2502 if (((flags & (ALL_MK_BUTTONS)) != 0) ||
2503 (extraButtonsEnabled && (flags & (X_BUTTONS)) != 0))
2504 // if (( extraButtonsEnabled && ( (flags & (ALL_MK_BUTTONS | X_BUTTONS)) != 0 )) ||
2505 // ( !extraButtonsEnabled && (((flags & (ALL_MK_BUTTONS)) != 0 )) && ((flags & (X_BUTTONS)) == 0) ))
2506 {
2507 // 6404008 : if Dragged event fired we shouldn't fire
2508 // Clicked event: m_firstDragSent set to TRUE.
2509 // This is a partial backout of 5039416 fix.
2510 MSG msg;
2511 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2512 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_DRAGGED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2513 GetJavaModifiers(), 0, JNI_FALSE,
2514 java_awt_event_MouseEvent_NOBUTTON, &msg);
2515 //dragging means no more CLICKs until next WM_MOUSE_DOWN/WM_MOUSE_UP message sequence
2516 m_mouseButtonClickAllowed = 0;
2517 } else {
2518 MSG msg;
2519 InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
2520 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_MOVED, ::JVM_CurrentTimeMillis(NULL, 0), x, y,
2521 GetJavaModifiers(), 0, JNI_FALSE,
2522 java_awt_event_MouseEvent_NOBUTTON, &msg);
2523 }
2524 }
2525
2526 return mrConsume;
2527 }
2528
2529 MsgRouting AwtComponent::WmMouseExit(UINT flags, int x, int y)
2530 {
2531 SendMouseEvent(java_awt_event_MouseEvent_MOUSE_EXITED, ::JVM_CurrentTimeMillis(NULL, 0), x,
2532 y, GetJavaModifiers(), 0, JNI_FALSE);
2533 sm_cursorOn = NULL;
2534 return mrConsume; /* Don't pass our synthetic event on! */
2535 }
2536
2537 MsgRouting AwtComponent::WmMouseWheel(UINT flags, int x, int y,
2538 int wheelRotation, BOOL isHorizontal)
2539 {
2540 // convert coordinates to be Component-relative, not screen relative
2541 // for wheeling when outside the window, this works similar to
2542 // coordinates during a drag
2543 POINT eventPt;
2544 eventPt.x = x;
2545 eventPt.y = y;
2546 DTRACE_PRINT2(" original coords: %i,%i\n", x, y);
2547 ::ScreenToClient(GetHWnd(), &eventPt);
2548 DTRACE_PRINT2(" new coords: %i,%i\n\n", eventPt.x, eventPt.y);
2549
2550 // set some defaults
2551 jint scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2552 jint scrollUnits = 3;
2553
2554 BOOL result;
2555 UINT platformUnits;
2556 jint roundedWheelRotation;
2557 jdouble preciseWheelRotation;
2558
2559 // AWT interprets wheel rotation differently than win32, so we need to
2560 // decode wheel amount.
2561 jint modifiers = GetJavaModifiers();
2562 if (isHorizontal) {
2563 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2564 m_wheelRotationAmountX += wheelRotation;
2565 roundedWheelRotation = m_wheelRotationAmountX / (WHEEL_DELTA);
2566 preciseWheelRotation = (jdouble) wheelRotation / (WHEEL_DELTA);
2567 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0,
2568 &platformUnits, 0);
2569 } else {
2570 m_wheelRotationAmountY += wheelRotation;
2571 roundedWheelRotation = m_wheelRotationAmountY / (-1 * WHEEL_DELTA);
2572 preciseWheelRotation = (jdouble) wheelRotation / (-1 * WHEEL_DELTA);
2573 result = ::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
2574 &platformUnits, 0);
2575 }
2576
2577 MSG msg;
2578 InitMessage(&msg, lastMessage, MAKEWPARAM(flags, wheelRotation),
2579 MAKELPARAM(x, y));
2580
2581 if (result) {
2582 if (platformUnits == WHEEL_PAGESCROLL) {
2583 scrollType = java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL;
2584 scrollUnits = 1;
2585 }
2586 else {
2587 scrollType = java_awt_event_MouseWheelEvent_WHEEL_UNIT_SCROLL;
2588 scrollUnits = platformUnits;
2589 }
2590 }
2591
2592 DTRACE_PRINTLN("calling SendMouseWheelEvent");
2593
2594 SendMouseWheelEvent(java_awt_event_MouseEvent_MOUSE_WHEEL, ::JVM_CurrentTimeMillis(NULL, 0),
2595 eventPt.x, eventPt.y, modifiers, 0, 0, scrollType,
2596 scrollUnits, roundedWheelRotation, preciseWheelRotation, &msg);
2597
2598 m_wheelRotationAmountX %= WHEEL_DELTA;
2599 m_wheelRotationAmountY %= WHEEL_DELTA;
2600 // this message could be propagated up to the parent chain
2601 // by the mouse message post processors
2602 return mrConsume;
2603 }
2604
2605 jint AwtComponent::GetKeyLocation(UINT wkey, UINT flags) {
2606 // Rector+Newcomer page 413
2607 // The extended keys are the Alt and Control on the right of
2608 // the space bar, the non-Numpad arrow keys, the non-Numpad
2609 // Insert, PageUp, etc. keys, and the Numpad Divide and Enter keys.
2610 // Note that neither Shift key is extended.
2611 // Although not listed in Rector+Newcomer, both Windows keys
2612 // (91 and 92) are extended keys, the Context Menu key
2613 // (property key or application key - 93) is extended,
2614 // and so is the NumLock key.
2615
2616 // wkey is the wParam, flags is the HIWORD of the lParam
2617
2618 // "Extended" bit is 24th in lParam, so it's 8th in flags = HIWORD(lParam)
2619 BOOL extended = ((1<<8) & flags);
2620
2621 if (IsNumPadKey(wkey, extended)) {
2622 return java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD;
2623 }
2624
2625 switch (wkey) {
2626 case VK_SHIFT:
2627 return AwtComponent::GetShiftKeyLocation(wkey, flags);
2628 case VK_CONTROL: // fall through
2629 case VK_MENU:
2630 if (extended) {
2631 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2632 } else {
2633 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2634 }
2635 case VK_LWIN:
2636 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2637 case VK_RWIN:
2638 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2639 default:
2640 break;
2641 }
2642
2643 // REMIND: if we add keycodes for the windows keys, we'll have to
2644 // include left/right discrimination code for them.
2645
2646 return java_awt_event_KeyEvent_KEY_LOCATION_STANDARD;
2647 }
2648
2649 jint AwtComponent::GetShiftKeyLocation(UINT vkey, UINT flags)
2650 {
2651 // init scancodes to safe values
2652 UINT leftShiftScancode = 0;
2653 UINT rightShiftScancode = 0;
2654
2655 // First 8 bits of flags is the scancode
2656 UINT keyScanCode = flags & 0xFF;
2657
2658 DTRACE_PRINTLN3(
2659 "AwtComponent::GetShiftKeyLocation vkey = %d = 0x%x scan = %d",
2660 vkey, vkey, keyScanCode);
2661
2662 leftShiftScancode = ::MapVirtualKey(VK_LSHIFT, 0);
2663 rightShiftScancode = ::MapVirtualKey(VK_RSHIFT, 0);
2664
2665 if (keyScanCode == leftShiftScancode) {
2666 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2667 }
2668 if (keyScanCode == rightShiftScancode) {
2669 return java_awt_event_KeyEvent_KEY_LOCATION_RIGHT;
2670 }
2671
2672 DASSERT(false);
2673 // Note: the above should not fail on NT (or 2000)
2674
2675 // default value
2676 return java_awt_event_KeyEvent_KEY_LOCATION_LEFT;
2677 }
2678
2679 /* Returns Java ActionEvent modifieres.
2680 * When creating ActionEvent, modifiers provided by ActionEvent
2681 * class should be set.
2682 */
2683 jint
2684 AwtComponent::GetActionModifiers()
2685 {
2686 jint modifiers = GetJavaModifiers();
2687
2688 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
2689 modifiers |= java_awt_event_ActionEvent_CTRL_MASK;
2690 }
2691 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
2692 modifiers |= java_awt_event_ActionEvent_SHIFT_MASK;
2693 }
2694 if (modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) {
2695 modifiers |= java_awt_event_ActionEvent_ALT_MASK;
2696 }
2697 return modifiers;
2698 }
2699
2700 /* Returns Java extended InputEvent modifieres.
2701 * Since ::GetKeyState returns current state and Java modifiers represent
2702 * state before event, modifier on changed key are inverted.
2703 */
2704 jint
2705 AwtComponent::GetJavaModifiers()
2706 {
2707 jint modifiers = 0;
2708
2709 if (HIBYTE(::GetKeyState(VK_CONTROL)) != 0) {
2710 modifiers |= java_awt_event_InputEvent_CTRL_DOWN_MASK;
2711 }
2712 if (HIBYTE(::GetKeyState(VK_SHIFT)) != 0) {
2713 modifiers |= java_awt_event_InputEvent_SHIFT_DOWN_MASK;
2714 }
2715 if (HIBYTE(::GetKeyState(VK_MENU)) != 0) {
2716 modifiers |= java_awt_event_InputEvent_ALT_DOWN_MASK;
2717 }
2718 if (HIBYTE(::GetKeyState(VK_RMENU)) != 0) {
2719 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
2720 }
2721 if (HIBYTE(::GetKeyState(VK_MBUTTON)) != 0) {
2722 modifiers |= java_awt_event_InputEvent_BUTTON2_DOWN_MASK;
2723 }
2724 if (HIBYTE(::GetKeyState(VK_RBUTTON)) != 0) {
2725 modifiers |= java_awt_event_InputEvent_BUTTON3_DOWN_MASK;
2726 }
2727 if (HIBYTE(::GetKeyState(VK_LBUTTON)) != 0) {
2728 modifiers |= java_awt_event_InputEvent_BUTTON1_DOWN_MASK;
2729 }
2730
2731 if (HIBYTE(::GetKeyState(VK_XBUTTON1)) != 0) {
2732 modifiers |= masks[3];
2733 }
2734 if (HIBYTE(::GetKeyState(VK_XBUTTON2)) != 0) {
2735 modifiers |= masks[4];
2736 }
2737 return modifiers;
2738 }
2739
2740 jint
2741 AwtComponent::GetButton(int mouseButton)
2742 {
2743 /* Mouse buttons are already set correctly for left/right handedness */
2744 switch(mouseButton) {
2745 case LEFT_BUTTON:
2746 return java_awt_event_MouseEvent_BUTTON1;
2747 case MIDDLE_BUTTON:
2748 return java_awt_event_MouseEvent_BUTTON2;
2749 case RIGHT_BUTTON:
2750 return java_awt_event_MouseEvent_BUTTON3;
2751 case X1_BUTTON: //16 :
2752 //just assign 4 and 5 numbers because MouseEvent class doesn't contain const identifier for them now
2753 return 4;
2754 case X2_BUTTON: //32
2755 return 5;
2756 }
2757 return java_awt_event_MouseEvent_NOBUTTON;
2758 }
2759
2760 UINT
2761 AwtComponent::GetButtonMK(int mouseButton)
2762 {
2763 switch(mouseButton) {
2764 case LEFT_BUTTON:
2765 return MK_LBUTTON;
2766 case MIDDLE_BUTTON:
2767 return MK_MBUTTON;
2768 case RIGHT_BUTTON:
2769 return MK_RBUTTON;
2770 case X1_BUTTON:
2771 return MK_XBUTTON1;
2772 case X2_BUTTON:
2773 return MK_XBUTTON2;
2774 }
2775 return 0;
2776 }
2777
2778 // FIXME: Keyboard related stuff has grown so big and hairy that we
2779 // really need to move it into a class of its own. And, since
2780 // keyboard is a shared resource, AwtComponent is a bad place for it.
2781
2782 // These constants are defined in the Japanese version of VC++5.0,
2783 // but not the US version
2784 #ifndef VK_CONVERT
2785 #define VK_KANA 0x15
2786 #define VK_KANJI 0x19
2787 #define VK_CONVERT 0x1C
2788 #define VK_NONCONVERT 0x1D
2789 #endif
2790
2791 #ifndef VK_XBUTTON1
2792 #define VK_XBUTTON1 0x05
2793 #endif
2794
2795 #ifndef VK_XBUTTON2
2796 #define VK_XBUTTON2 0x06
2797 #endif
2798
2799 typedef struct {
2800 UINT javaKey;
2801 UINT windowsKey;
2802 } KeyMapEntry;
2803
2804 // Static table, arranged more or less spatially.
2805 KeyMapEntry keyMapTable[] = {
2806 // Modifier keys
2807 {java_awt_event_KeyEvent_VK_CAPS_LOCK, VK_CAPITAL},
2808 {java_awt_event_KeyEvent_VK_SHIFT, VK_SHIFT},
2809 {java_awt_event_KeyEvent_VK_CONTROL, VK_CONTROL},
2810 {java_awt_event_KeyEvent_VK_ALT, VK_MENU},
2811 {java_awt_event_KeyEvent_VK_ALT_GRAPH, VK_RMENU},
2812 {java_awt_event_KeyEvent_VK_NUM_LOCK, VK_NUMLOCK},
2813
2814 // Miscellaneous Windows keys
2815 {java_awt_event_KeyEvent_VK_WINDOWS, VK_LWIN},
2816 {java_awt_event_KeyEvent_VK_WINDOWS, VK_RWIN},
2817 {java_awt_event_KeyEvent_VK_CONTEXT_MENU, VK_APPS},
2818
2819 // Alphabet
2820 {java_awt_event_KeyEvent_VK_A, 'A'},
2821 {java_awt_event_KeyEvent_VK_B, 'B'},
2822 {java_awt_event_KeyEvent_VK_C, 'C'},
2823 {java_awt_event_KeyEvent_VK_D, 'D'},
2824 {java_awt_event_KeyEvent_VK_E, 'E'},
2825 {java_awt_event_KeyEvent_VK_F, 'F'},
2826 {java_awt_event_KeyEvent_VK_G, 'G'},
2827 {java_awt_event_KeyEvent_VK_H, 'H'},
2828 {java_awt_event_KeyEvent_VK_I, 'I'},
2829 {java_awt_event_KeyEvent_VK_J, 'J'},
2830 {java_awt_event_KeyEvent_VK_K, 'K'},
2831 {java_awt_event_KeyEvent_VK_L, 'L'},
2832 {java_awt_event_KeyEvent_VK_M, 'M'},
2833 {java_awt_event_KeyEvent_VK_N, 'N'},
2834 {java_awt_event_KeyEvent_VK_O, 'O'},
2835 {java_awt_event_KeyEvent_VK_P, 'P'},
2836 {java_awt_event_KeyEvent_VK_Q, 'Q'},
2837 {java_awt_event_KeyEvent_VK_R, 'R'},
2838 {java_awt_event_KeyEvent_VK_S, 'S'},
2839 {java_awt_event_KeyEvent_VK_T, 'T'},
2840 {java_awt_event_KeyEvent_VK_U, 'U'},
2841 {java_awt_event_KeyEvent_VK_V, 'V'},
2842 {java_awt_event_KeyEvent_VK_W, 'W'},
2843 {java_awt_event_KeyEvent_VK_X, 'X'},
2844 {java_awt_event_KeyEvent_VK_Y, 'Y'},
2845 {java_awt_event_KeyEvent_VK_Z, 'Z'},
2846
2847 // Standard numeric row
2848 {java_awt_event_KeyEvent_VK_0, '0'},
2849 {java_awt_event_KeyEvent_VK_1, '1'},
2850 {java_awt_event_KeyEvent_VK_2, '2'},
2851 {java_awt_event_KeyEvent_VK_3, '3'},
2852 {java_awt_event_KeyEvent_VK_4, '4'},
2853 {java_awt_event_KeyEvent_VK_5, '5'},
2854 {java_awt_event_KeyEvent_VK_6, '6'},
2855 {java_awt_event_KeyEvent_VK_7, '7'},
2856 {java_awt_event_KeyEvent_VK_8, '8'},
2857 {java_awt_event_KeyEvent_VK_9, '9'},
2858
2859 // Misc key from main block
2860 {java_awt_event_KeyEvent_VK_ENTER, VK_RETURN},
2861 {java_awt_event_KeyEvent_VK_SPACE, VK_SPACE},
2862 {java_awt_event_KeyEvent_VK_BACK_SPACE, VK_BACK},
2863 {java_awt_event_KeyEvent_VK_TAB, VK_TAB},
2864 {java_awt_event_KeyEvent_VK_ESCAPE, VK_ESCAPE},
2865
2866 // NumPad with NumLock off & extended block (rectangular)
2867 {java_awt_event_KeyEvent_VK_INSERT, VK_INSERT},
2868 {java_awt_event_KeyEvent_VK_DELETE, VK_DELETE},
2869 {java_awt_event_KeyEvent_VK_HOME, VK_HOME},
2870 {java_awt_event_KeyEvent_VK_END, VK_END},
2871 {java_awt_event_KeyEvent_VK_PAGE_UP, VK_PRIOR},
2872 {java_awt_event_KeyEvent_VK_PAGE_DOWN, VK_NEXT},
2873 {java_awt_event_KeyEvent_VK_CLEAR, VK_CLEAR}, // NumPad 5
2874
2875 // NumPad with NumLock off & extended arrows block (triangular)
2876 {java_awt_event_KeyEvent_VK_LEFT, VK_LEFT},
2877 {java_awt_event_KeyEvent_VK_RIGHT, VK_RIGHT},
2878 {java_awt_event_KeyEvent_VK_UP, VK_UP},
2879 {java_awt_event_KeyEvent_VK_DOWN, VK_DOWN},
2880
2881 // NumPad with NumLock on: numbers
2882 {java_awt_event_KeyEvent_VK_NUMPAD0, VK_NUMPAD0},
2883 {java_awt_event_KeyEvent_VK_NUMPAD1, VK_NUMPAD1},
2884 {java_awt_event_KeyEvent_VK_NUMPAD2, VK_NUMPAD2},
2885 {java_awt_event_KeyEvent_VK_NUMPAD3, VK_NUMPAD3},
2886 {java_awt_event_KeyEvent_VK_NUMPAD4, VK_NUMPAD4},
2887 {java_awt_event_KeyEvent_VK_NUMPAD5, VK_NUMPAD5},
2888 {java_awt_event_KeyEvent_VK_NUMPAD6, VK_NUMPAD6},
2889 {java_awt_event_KeyEvent_VK_NUMPAD7, VK_NUMPAD7},
2890 {java_awt_event_KeyEvent_VK_NUMPAD8, VK_NUMPAD8},
2891 {java_awt_event_KeyEvent_VK_NUMPAD9, VK_NUMPAD9},
2892
2893 // NumPad with NumLock on
2894 {java_awt_event_KeyEvent_VK_MULTIPLY, VK_MULTIPLY},
2895 {java_awt_event_KeyEvent_VK_ADD, VK_ADD},
2896 {java_awt_event_KeyEvent_VK_SEPARATOR, VK_SEPARATOR},
2897 {java_awt_event_KeyEvent_VK_SUBTRACT, VK_SUBTRACT},
2898 {java_awt_event_KeyEvent_VK_DECIMAL, VK_DECIMAL},
2899 {java_awt_event_KeyEvent_VK_DIVIDE, VK_DIVIDE},
2900
2901 // Functional keys
2902 {java_awt_event_KeyEvent_VK_F1, VK_F1},
2903 {java_awt_event_KeyEvent_VK_F2, VK_F2},
2904 {java_awt_event_KeyEvent_VK_F3, VK_F3},
2905 {java_awt_event_KeyEvent_VK_F4, VK_F4},
2906 {java_awt_event_KeyEvent_VK_F5, VK_F5},
2907 {java_awt_event_KeyEvent_VK_F6, VK_F6},
2908 {java_awt_event_KeyEvent_VK_F7, VK_F7},
2909 {java_awt_event_KeyEvent_VK_F8, VK_F8},
2910 {java_awt_event_KeyEvent_VK_F9, VK_F9},
2911 {java_awt_event_KeyEvent_VK_F10, VK_F10},
2912 {java_awt_event_KeyEvent_VK_F11, VK_F11},
2913 {java_awt_event_KeyEvent_VK_F12, VK_F12},
2914 {java_awt_event_KeyEvent_VK_F13, VK_F13},
2915 {java_awt_event_KeyEvent_VK_F14, VK_F14},
2916 {java_awt_event_KeyEvent_VK_F15, VK_F15},
2917 {java_awt_event_KeyEvent_VK_F16, VK_F16},
2918 {java_awt_event_KeyEvent_VK_F17, VK_F17},
2919 {java_awt_event_KeyEvent_VK_F18, VK_F18},
2920 {java_awt_event_KeyEvent_VK_F19, VK_F19},
2921 {java_awt_event_KeyEvent_VK_F20, VK_F20},
2922 {java_awt_event_KeyEvent_VK_F21, VK_F21},
2923 {java_awt_event_KeyEvent_VK_F22, VK_F22},
2924 {java_awt_event_KeyEvent_VK_F23, VK_F23},
2925 {java_awt_event_KeyEvent_VK_F24, VK_F24},
2926
2927 {java_awt_event_KeyEvent_VK_PRINTSCREEN, VK_SNAPSHOT},
2928 {java_awt_event_KeyEvent_VK_SCROLL_LOCK, VK_SCROLL},
2929 {java_awt_event_KeyEvent_VK_PAUSE, VK_PAUSE},
2930 {java_awt_event_KeyEvent_VK_CANCEL, VK_CANCEL},
2931 {java_awt_event_KeyEvent_VK_HELP, VK_HELP},
2932
2933 // Japanese
2934 {java_awt_event_KeyEvent_VK_CONVERT, VK_CONVERT},
2935 {java_awt_event_KeyEvent_VK_NONCONVERT, VK_NONCONVERT},
2936 {java_awt_event_KeyEvent_VK_INPUT_METHOD_ON_OFF, VK_KANJI},
2937 {java_awt_event_KeyEvent_VK_ALPHANUMERIC, VK_DBE_ALPHANUMERIC},
2938 {java_awt_event_KeyEvent_VK_KATAKANA, VK_DBE_KATAKANA},
2939 {java_awt_event_KeyEvent_VK_HIRAGANA, VK_DBE_HIRAGANA},
2940 {java_awt_event_KeyEvent_VK_FULL_WIDTH, VK_DBE_DBCSCHAR},
2941 {java_awt_event_KeyEvent_VK_HALF_WIDTH, VK_DBE_SBCSCHAR},
2942 {java_awt_event_KeyEvent_VK_ROMAN_CHARACTERS, VK_DBE_ROMAN},
2943
2944 {java_awt_event_KeyEvent_VK_UNDEFINED, 0}
2945 };
2946
2947
2948 // Dynamic mapping table for OEM VK codes. This table is refilled
2949 // by BuildDynamicKeyMapTable when keyboard layout is switched.
2950 // (see NT4 DDK src/input/inc/vkoem.h for OEM VK_ values).
2951 struct DynamicKeyMapEntry {
2952 UINT windowsKey; // OEM VK codes known in advance
2953 UINT javaKey; // depends on input langauge (kbd layout)
2954 };
2955
2956 static DynamicKeyMapEntry dynamicKeyMapTable[] = {
2957 {0x00BA, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_1
2958 {0x00BB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PLUS
2959 {0x00BC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_COMMA
2960 {0x00BD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_MINUS
2961 {0x00BE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_PERIOD
2962 {0x00BF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_2
2963 {0x00C0, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_3
2964 {0x00DB, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_4
2965 {0x00DC, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_5
2966 {0x00DD, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_6
2967 {0x00DE, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_7
2968 {0x00DF, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_8
2969 {0x00E2, java_awt_event_KeyEvent_VK_UNDEFINED}, // VK_OEM_102
2970 {0, 0}
2971 };
2972
2973
2974
2975 // Auxiliary tables used to fill the above dynamic table. We first
2976 // find the character for the OEM VK code using ::MapVirtualKey and
2977 // then go through these auxiliary tables to map it to Java VK code.
2978
2979 struct CharToVKEntry {
2980 WCHAR c;
2981 UINT javaKey;
2982 };
2983
2984 static const CharToVKEntry charToVKTable[] = {
2985 {L'!', java_awt_event_KeyEvent_VK_EXCLAMATION_MARK},
2986 {L'"', java_awt_event_KeyEvent_VK_QUOTEDBL},
2987 {L'#', java_awt_event_KeyEvent_VK_NUMBER_SIGN},
2988 {L'$', java_awt_event_KeyEvent_VK_DOLLAR},
2989 {L'&', java_awt_event_KeyEvent_VK_AMPERSAND},
2990 {L'\'', java_awt_event_KeyEvent_VK_QUOTE},
2991 {L'(', java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS},
2992 {L')', java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS},
2993 {L'*', java_awt_event_KeyEvent_VK_ASTERISK},
2994 {L'+', java_awt_event_KeyEvent_VK_PLUS},
2995 {L',', java_awt_event_KeyEvent_VK_COMMA},
2996 {L'-', java_awt_event_KeyEvent_VK_MINUS},
2997 {L'.', java_awt_event_KeyEvent_VK_PERIOD},
2998 {L'/', java_awt_event_KeyEvent_VK_SLASH},
2999 {L':', java_awt_event_KeyEvent_VK_COLON},
3000 {L';', java_awt_event_KeyEvent_VK_SEMICOLON},
3001 {L'<', java_awt_event_KeyEvent_VK_LESS},
3002 {L'=', java_awt_event_KeyEvent_VK_EQUALS},
3003 {L'>', java_awt_event_KeyEvent_VK_GREATER},
3004 {L'@', java_awt_event_KeyEvent_VK_AT},
3005 {L'[', java_awt_event_KeyEvent_VK_OPEN_BRACKET},
3006 {L'\\', java_awt_event_KeyEvent_VK_BACK_SLASH},
3007 {L']', java_awt_event_KeyEvent_VK_CLOSE_BRACKET},
3008 {L'^', java_awt_event_KeyEvent_VK_CIRCUMFLEX},
3009 {L'_', java_awt_event_KeyEvent_VK_UNDERSCORE},
3010 {L'`', java_awt_event_KeyEvent_VK_BACK_QUOTE},
3011 {L'{', java_awt_event_KeyEvent_VK_BRACELEFT},
3012 {L'}', java_awt_event_KeyEvent_VK_BRACERIGHT},
3013 {0x00A1, java_awt_event_KeyEvent_VK_INVERTED_EXCLAMATION_MARK},
3014 {0x20A0, java_awt_event_KeyEvent_VK_EURO_SIGN}, // ????
3015 {0,0}
3016 };
3017
3018 // For dead accents some layouts return ASCII punctuation, while some
3019 // return spacing accent chars, so both should be listed. NB: MS docs
3020 // say that conversion routings return spacing accent character, not
3021 // combining.
3022 static const CharToVKEntry charToDeadVKTable[] = {
3023 {L'`', java_awt_event_KeyEvent_VK_DEAD_GRAVE},
3024 {L'\'', java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3025 {0x00B4, java_awt_event_KeyEvent_VK_DEAD_ACUTE},
3026 {L'^', java_awt_event_KeyEvent_VK_DEAD_CIRCUMFLEX},
3027 {L'~', java_awt_event_KeyEvent_VK_DEAD_TILDE},
3028 {0x02DC, java_awt_event_KeyEvent_VK_DEAD_TILDE},
3029 {0x00AF, java_awt_event_KeyEvent_VK_DEAD_MACRON},
3030 {0x02D8, java_awt_event_KeyEvent_VK_DEAD_BREVE},
3031 {0x02D9, java_awt_event_KeyEvent_VK_DEAD_ABOVEDOT},
3032 {L'"', java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3033 {0x00A8, java_awt_event_KeyEvent_VK_DEAD_DIAERESIS},
3034 {0x02DA, java_awt_event_KeyEvent_VK_DEAD_ABOVERING},
3035 {0x02DD, java_awt_event_KeyEvent_VK_DEAD_DOUBLEACUTE},
3036 {0x02C7, java_awt_event_KeyEvent_VK_DEAD_CARON}, // aka hacek
3037 {L',', java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3038 {0x00B8, java_awt_event_KeyEvent_VK_DEAD_CEDILLA},
3039 {0x02DB, java_awt_event_KeyEvent_VK_DEAD_OGONEK},
3040 {0x037A, java_awt_event_KeyEvent_VK_DEAD_IOTA}, // ASCII ???
3041 {0x309B, java_awt_event_KeyEvent_VK_DEAD_VOICED_SOUND},
3042 {0x309C, java_awt_event_KeyEvent_VK_DEAD_SEMIVOICED_SOUND},
3043 {0x0004, java_awt_event_KeyEvent_VK_COMPOSE},
3044 {0,0}
3045 };
3046
3047 // The full map of the current keyboard state including
3048 // windows virtual key, scancode, java virtual key, and unicode
3049 // for this key sans modifiers.
3050 // All but first element may be 0.
3051 // XXX in the update releases this is an addition to the unchanged existing code
3052 struct DynPrimaryKeymapEntry {
3053 UINT wkey;
3054 UINT scancode;
3055 UINT jkey;
3056 WCHAR unicode;
3057 };
3058
3059 static DynPrimaryKeymapEntry dynPrimaryKeymap[256];
3060
3061 void
3062 AwtComponent::InitDynamicKeyMapTable()
3063 {
3064 static BOOL kbdinited = FALSE;
3065
3066 if (!kbdinited) {
3067 AwtComponent::BuildDynamicKeyMapTable();
3068 // We cannot build it here since JNI is not available yet:
3069 //AwtComponent::BuildPrimaryDynamicTable();
3070 kbdinited = TRUE;
3071 }
3072 }
3073
3074 void
3075 AwtComponent::BuildDynamicKeyMapTable()
3076 {
3077 HKL hkl = GetKeyboardLayout();
3078
3079 DTRACE_PRINTLN2("Building dynamic VK mapping tables: HKL = %08X (CP%d)",
3080 hkl, AwtComponent::GetCodePage());
3081
3082 // Will need this to reset layout after dead keys.
3083 UINT spaceScanCode = ::MapVirtualKeyEx(VK_SPACE, 0, hkl);
3084
3085 // Entries in dynamic table that maps between Java VK and Windows
3086 // VK are built in three steps:
3087 // 1. Map windows VK to ANSI character (cannot map to unicode
3088 // directly, since ::ToUnicode is not implemented on win9x)
3089 // 2. Convert ANSI char to Unicode char
3090 // 3. Map Unicode char to Java VK via two auxilary tables.
3091
3092 for (DynamicKeyMapEntry *dynamic = dynamicKeyMapTable;
3093 dynamic->windowsKey != 0;
3094 ++dynamic)
3095 {
3096 // Defaults to VK_UNDEFINED
3097 dynamic->javaKey = java_awt_event_KeyEvent_VK_UNDEFINED;
3098
3099 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3100 AwtToolkit::GetKeyboardState(kbdState);
3101
3102 kbdState[dynamic->windowsKey] |= 0x80; // Press the key.
3103
3104 // Unpress modifiers, since they are most likely pressed as
3105 // part of the keyboard switching shortcut.
3106 kbdState[VK_CONTROL] &= ~0x80;
3107 kbdState[VK_SHIFT] &= ~0x80;
3108 kbdState[VK_MENU] &= ~0x80;
3109
3110 char cbuf[2] = { '\0', '\0'};
3111 UINT scancode = ::MapVirtualKeyEx(dynamic->windowsKey, 0, hkl);
3112 int nchars = ::ToAsciiEx(dynamic->windowsKey, scancode, kbdState,
3113 (WORD*)cbuf, 0, hkl);
3114
3115 // Auxiliary table used to map Unicode character to Java VK.
3116 // Will assign a different table for dead keys (below).
3117 const CharToVKEntry *charMap = charToVKTable;
3118
3119 if (nchars < 0) { // Dead key
3120 // Use a different table for dead chars since different layouts
3121 // return different characters for the same dead key.
3122 charMap = charToDeadVKTable;
3123
3124 // We also need to reset layout so that next translation
3125 // is unaffected by the dead status. We do this by
3126 // translating <SPACE> key.
3127 kbdState[dynamic->windowsKey] &= ~0x80;
3128 kbdState[VK_SPACE] |= 0x80;
3129
3130 char junkbuf[2] = { '\0', '\0'};
3131 ::ToAsciiEx(VK_SPACE, spaceScanCode, kbdState,
3132 (WORD*)junkbuf, 0, hkl);
3133 }
3134
3135 #ifdef DEBUG
3136 if (nchars == 0) {
3137 DTRACE_PRINTLN1("VK 0x%02X -> cannot convert to ANSI char",
3138 dynamic->windowsKey);
3139 continue;
3140 }
3141 else if (nchars > 1) { // can't happen, see reset code below
3142 DTRACE_PRINTLN3("VK 0x%02X -> converted to <0x%02X,0x%02X>",
3143 dynamic->windowsKey,
3144 (UCHAR)cbuf[0], (UCHAR)cbuf[1]);
3145 continue;
3146 }
3147 #endif
3148
3149 WCHAR ucbuf[2] = { L'\0', L'\0' };
3150 int nconverted = ::MultiByteToWideChar(AwtComponent::GetCodePage(), 0,
3151 cbuf, 1, ucbuf, 2);
3152 #ifdef DEBUG
3153 if (nconverted < 0) {
3154 DTRACE_PRINTLN3("VK 0x%02X -> ANSI 0x%02X -> MultiByteToWideChar failed (0x%X)",
3155 dynamic->windowsKey, (UCHAR)cbuf[0],
3156 ::GetLastError());
3157 continue;
3158 }
3159 #endif
3160
3161 WCHAR uc = ucbuf[0];
3162 for (const CharToVKEntry *map = charMap; map->c != 0; ++map) {
3163 if (uc == map->c) {
3164 dynamic->javaKey = map->javaKey;
3165 break;
3166 }
3167 }
3168
3169 DTRACE_PRINTLN4("VK 0x%02X -> ANSI 0x%02X -> U+%04X -> Java VK 0x%X",
3170 dynamic->windowsKey, (UCHAR)cbuf[0], (UINT)ucbuf[0],
3171 dynamic->javaKey);
3172 } // for each VK_OEM_*
3173 }
3174
3175
3176 static BOOL isKanaLockAvailable()
3177 {
3178 // This method is to determine whether the Kana Lock feature is
3179 // available on the attached keyboard. Kana Lock feature does not
3180 // necessarily require that the real KANA keytop is available on
3181 // keyboard, so using MapVirtualKey(VK_KANA) is not sufficient for testing.
3182 // Instead of that we regard it as Japanese keyboard (w/ Kana Lock) if :-
3183 //
3184 // - the keyboard layout is Japanese (VK_KANA has the same value as VK_HANGUL)
3185 // - the keyboard is Japanese keyboard (keyboard type == 7).
3186 return (LOWORD(GetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_DEFAULT))
3187 && (GetKeyboardType(0) == 7);
3188 }
3189
3190 void AwtComponent::JavaKeyToWindowsKey(UINT javaKey,
3191 UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey)
3192 {
3193 // Handle the few cases where a Java VK code corresponds to a Windows
3194 // key/modifier combination or applies only to specific keyboard layouts
3195 switch (javaKey) {
3196 case java_awt_event_KeyEvent_VK_ALL_CANDIDATES:
3197 *windowsKey = VK_CONVERT;
3198 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3199 return;
3200 case java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE:
3201 *windowsKey = VK_CONVERT;
3202 *modifiers = java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3203 return;
3204 case java_awt_event_KeyEvent_VK_CODE_INPUT:
3205 *windowsKey = VK_DBE_ALPHANUMERIC;
3206 *modifiers = java_awt_event_InputEvent_ALT_DOWN_MASK;
3207 return;
3208 case java_awt_event_KeyEvent_VK_KANA_LOCK:
3209 if (isKanaLockAvailable()) {
3210 *windowsKey = VK_KANA;
3211 *modifiers = java_awt_event_InputEvent_CTRL_DOWN_MASK;
3212 return;
3213 }
3214 }
3215
3216 // for the general case, use a bi-directional table
3217 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3218 if (keyMapTable[i].javaKey == javaKey) {
3219 *windowsKey = keyMapTable[i].windowsKey;
3220 *modifiers = 0;
3221 return;
3222 }
3223 }
3224
3225 // Bug 4766655
3226 // Two Windows keys could map to the same Java key, so
3227 // give preference to the originalWindowsKey if it is
3228 // specified (not IGNORE_KEY).
3229 if (originalWindowsKey == IGNORE_KEY) {
3230 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3231 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3232 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3233 *modifiers = 0;
3234 return;
3235 }
3236 }
3237 } else {
3238 BOOL found = false;
3239 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3240 if (dynamicKeyMapTable[j].javaKey == javaKey) {
3241 *windowsKey = dynamicKeyMapTable[j].windowsKey;
3242 *modifiers = 0;
3243 found = true;
3244 if (*windowsKey == originalWindowsKey) {
3245 return; /* if ideal case found return, else keep looking */
3246 }
3247 }
3248 }
3249 if (found) {
3250 return;
3251 }
3252 }
3253
3254 *windowsKey = 0;
3255 *modifiers = 0;
3256 return;
3257 }
3258
3259 UINT AwtComponent::WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey)
3260
3261 {
3262 // Handle the few cases where we need to take the modifier into
3263 // consideration for the Java VK code or where we have to take the keyboard
3264 // layout into consideration so that function keys can get
3265 // recognized in a platform-independent way.
3266 switch (windowsKey) {
3267 case VK_CONVERT:
3268 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3269 return java_awt_event_KeyEvent_VK_ALL_CANDIDATES;
3270 }
3271 if ((modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) != 0) {
3272 return java_awt_event_KeyEvent_VK_PREVIOUS_CANDIDATE;
3273 }
3274 break;
3275 case VK_DBE_ALPHANUMERIC:
3276 if ((modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK) != 0) {
3277 return java_awt_event_KeyEvent_VK_CODE_INPUT;
3278 }
3279 break;
3280 case VK_KANA:
3281 if (isKanaLockAvailable()) {
3282 return java_awt_event_KeyEvent_VK_KANA_LOCK;
3283 }
3284 break;
3285 };
3286
3287 // check dead key
3288 if (isDeadKey) {
3289 for (int i = 0; charToDeadVKTable[i].c != 0; i++) {
3290 if (charToDeadVKTable[i].c == character) {
3291 return charToDeadVKTable[i].javaKey;
3292 }
3293 }
3294 }
3295
3296 // for the general case, use a bi-directional table
3297 for (int i = 0; keyMapTable[i].windowsKey != 0; i++) {
3298 if (keyMapTable[i].windowsKey == windowsKey) {
3299 return keyMapTable[i].javaKey;
3300 }
3301 }
3302
3303 for (int j = 0; dynamicKeyMapTable[j].windowsKey != 0; j++) {
3304 if (dynamicKeyMapTable[j].windowsKey == windowsKey) {
3305 if (dynamicKeyMapTable[j].javaKey != java_awt_event_KeyEvent_VK_UNDEFINED) {
3306 return dynamicKeyMapTable[j].javaKey;
3307 }else{
3308 break;
3309 }
3310 }
3311 }
3312
3313 return java_awt_event_KeyEvent_VK_UNDEFINED;
3314 }
3315
3316 BOOL AwtComponent::IsNavigationKey(UINT wkey) {
3317 switch (wkey) {
3318 case VK_END:
3319 case VK_PRIOR: // PageUp
3320 case VK_NEXT: // PageDown
3321 case VK_HOME:
3322 case VK_LEFT:
3323 case VK_UP:
3324 case VK_RIGHT:
3325 case VK_DOWN:
3326 return TRUE;
3327 }
3328 return FALSE;
3329 }
3330
3331 // determine if a key is a numpad key (distinguishes the numpad
3332 // arrow keys from the non-numpad arrow keys, for example).
3333 BOOL AwtComponent::IsNumPadKey(UINT vkey, BOOL extended)
3334 {
3335 // Note: scancodes are the same for the numpad arrow keys and
3336 // the non-numpad arrow keys (also for PageUp, etc.).
3337 // The scancodes for the numpad divide and the non-numpad slash
3338 // are the same, but the wparams are different
3339
3340 DTRACE_PRINTLN3("AwtComponent::IsNumPadKey vkey = %d = 0x%x extended = %d",
3341 vkey, vkey, extended);
3342
3343 switch (vkey) {
3344 case VK_CLEAR: // numpad 5 with numlock off
3345 case VK_NUMPAD0:
3346 case VK_NUMPAD1:
3347 case VK_NUMPAD2:
3348 case VK_NUMPAD3:
3349 case VK_NUMPAD4:
3350 case VK_NUMPAD5:
3351 case VK_NUMPAD6:
3352 case VK_NUMPAD7:
3353 case VK_NUMPAD8:
3354 case VK_NUMPAD9:
3355 case VK_MULTIPLY:
3356 case VK_ADD:
3357 case VK_SEPARATOR: // numpad , not on US kbds
3358 case VK_SUBTRACT:
3359 case VK_DECIMAL:
3360 case VK_DIVIDE:
3361 case VK_NUMLOCK:
3362 return TRUE;
3363 break;
3364 case VK_END:
3365 case VK_PRIOR: // PageUp
3366 case VK_NEXT: // PageDown
3367 case VK_HOME:
3368 case VK_LEFT:
3369 case VK_UP:
3370 case VK_RIGHT:
3371 case VK_DOWN:
3372 case VK_INSERT:
3373 case VK_DELETE:
3374 // extended if non-numpad
3375 return (!extended);
3376 break;
3377 case VK_RETURN: // extended if on numpad
3378 return (extended);
3379 break;
3380 default:
3381 break;
3382 }
3383
3384 return FALSE;
3385 }
3386 static void
3387 resetKbdState( BYTE kstate[256]) {
3388 BYTE tmpState[256];
3389 WCHAR wc[2];
3390 memmove(tmpState, kstate, sizeof(kstate));
3391 tmpState[VK_SHIFT] = 0;
3392 tmpState[VK_CONTROL] = 0;
3393 tmpState[VK_MENU] = 0;
3394
3395 ::ToUnicodeEx(VK_SPACE,::MapVirtualKey(VK_SPACE, 0), tmpState, wc, 2, 0, GetKeyboardLayout(0));
3396 }
3397
3398 // XXX in the update releases this is an addition to the unchanged existing code
3399 // After the call, a table will have a unicode associated with a windows virtual keycode
3400 // sans modifiers. With some further simplification, one can
3401 // derive java keycode from it, and anyway we will pass this unicode value
3402 // all the way up in a comment to a KeyEvent.
3403 void
3404 AwtComponent::BuildPrimaryDynamicTable() {
3405 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3406 // XXX: how about that?
3407 //CriticalSection::Lock l(GetLock());
3408 //if (GetPeer(env) == NULL) {
3409 // /* event received during termination. */
3410 // return;
3411 //}
3412
3413 HKL hkl = GetKeyboardLayout();
3414 UINT sc = 0;
3415 BYTE kbdState[AwtToolkit::KB_STATE_SIZE];
3416 memset(kbdState, 0, sizeof (kbdState));
3417
3418 // Use JNI call to obtain java key code. We should keep a list
3419 // of currently available keycodes in a single place.
3420 static jclass extKeyCodesCls;
3421 if( extKeyCodesCls == NULL) {
3422 jclass extKeyCodesClsLocal = env->FindClass("sun/awt/ExtendedKeyCodes");
3423 DASSERT(extKeyCodesClsLocal);
3424 CHECK_NULL(extKeyCodesClsLocal);
3425 extKeyCodesCls = (jclass)env->NewGlobalRef(extKeyCodesClsLocal);
3426 env->DeleteLocalRef(extKeyCodesClsLocal);
3427 }
3428 static jmethodID getExtendedKeyCodeForChar;
3429 if (getExtendedKeyCodeForChar == NULL) {
3430 getExtendedKeyCodeForChar =
3431 env->GetStaticMethodID(extKeyCodesCls, "getExtendedKeyCodeForChar", "(I)I");
3432 DASSERT(getExtendedKeyCodeForChar);
3433 CHECK_NULL(getExtendedKeyCodeForChar);
3434 }
3435 jint extJKC; //extended Java key code
3436
3437 for (UINT i = 0; i < 256; i++) {
3438 dynPrimaryKeymap[i].wkey = i;
3439 dynPrimaryKeymap[i].jkey = java_awt_event_KeyEvent_VK_UNDEFINED;
3440 dynPrimaryKeymap[i].unicode = 0;
3441
3442 if ((sc = MapVirtualKey (i, 0)) == 0) {
3443 dynPrimaryKeymap[i].scancode = 0;
3444 continue;
3445 }
3446 dynPrimaryKeymap[i].scancode = sc;
3447
3448 // XXX process cases like VK_SHIFT etc.
3449 kbdState[i] = 0x80; // "key pressed".
3450 WCHAR wc[16];
3451 int k = ::ToUnicodeEx(i, sc, kbdState, wc, 16, 0, hkl);
3452 if (k == 1) {
3453 // unicode
3454 dynPrimaryKeymap[i].unicode = wc[0];
3455 if (dynPrimaryKeymap[i].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3456 // Convert unicode to java keycode.
3457 //dynPrimaryKeymap[i].jkey = ((UINT)(wc[0]) + 0x01000000);
3458 //
3459 //XXX If this key in on the keypad, we should force a special value equal to
3460 //XXX an old java keycode: but how to say if it is a keypad key?
3461 //XXX We'll do it in WmKeyUp/Down.
3462 extJKC = env->CallStaticIntMethod(extKeyCodesCls,
3463 getExtendedKeyCodeForChar, (jint)(wc[0]));
3464 dynPrimaryKeymap[i].jkey = extJKC;
3465 }
3466 }else if (k == -1) {
3467 // dead key: use charToDeadVKTable
3468 dynPrimaryKeymap[i].unicode = wc[0];
3469 resetKbdState( kbdState );
3470 for (const CharToVKEntry *map = charToDeadVKTable; map->c != 0; ++map) {
3471 if (wc[0] == map->c) {
3472 dynPrimaryKeymap[i].jkey = map->javaKey;
3473 break;
3474 }
3475 }
3476 } else if (k == 0) {
3477 // reset
3478 resetKbdState( kbdState );
3479 }else {
3480 // k > 1: this key does generate multiple characters. Ignore it.
3481 // An example: Arabic Lam and Alef ligature.
3482 // There will be no extended keycode and thus shortcuts for this key.
3483 // XXX shouldn't we reset the kbd state?
3484 #ifdef DEBUG
3485 DTRACE_PRINTLN2("wkey 0x%02X (%d)", i,i);
3486 #endif
3487 }
3488 kbdState[i] = 0; // "key unpressed"
3489 }
3490 }
3491 void
3492 AwtComponent::UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers)
3493 {
3494 if( wkey && wkey < 256 ) {
3495 if(keyLocation == java_awt_event_KeyEvent_KEY_LOCATION_NUMPAD) {
3496 // At the creation time,
3497 // dynPrimaryKeymap cannot distinguish between e.g. "/" and "NumPad /"
3498 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3499 }
3500 if(dynPrimaryKeymap[wkey].jkey == java_awt_event_KeyEvent_VK_UNDEFINED) {
3501 // E.g. it is non-unicode key
3502 dynPrimaryKeymap[wkey].jkey = jkeyLegacy;
3503 }
3504 }
3505 }
3506
3507 UINT AwtComponent::WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey)
3508 {
3509 static Hashtable transTable("VKEY translations");
3510 static Hashtable deadKeyFlagTable("Dead Key Flags");
3511 isDeadKey = FALSE;
3512
3513 // Try to translate using last saved translation
3514 if (ops == LOAD) {
3515 void* deadKeyFlag = deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3516 void* value = transTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3517 if (value != NULL) {
3518 isDeadKey = static_cast<BOOL>(reinterpret_cast<INT_PTR>(deadKeyFlag));
3519 return static_cast<UINT>(reinterpret_cast<INT_PTR>(value));
3520 }
3521 }
3522
3523 // If the windows key is a return, wkey will equal 13 ('\r')
3524 // In this case, we want to return 10 ('\n')
3525 // Since ToAscii would convert VK_RETURN to '\r', we need
3526 // to have a special case here.
3527 if (wkey == VK_RETURN)
3528 return '\n';
3529
3530 // high order bit in keyboardState indicates whether the key is down
3531 static const BYTE KEY_STATE_DOWN = 0x80;
3532 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
3533 AwtToolkit::GetKeyboardState(keyboardState);
3534
3535 // apply modifiers to keyboard state if necessary
3536 BOOL shiftIsDown = FALSE;
3537 if (modifiers) {
3538 shiftIsDown = modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK;
3539 BOOL altIsDown = modifiers & java_awt_event_InputEvent_ALT_DOWN_MASK;
3540 BOOL ctrlIsDown = modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK;
3541
3542 // Windows treats AltGr as Ctrl+Alt
3543 if (modifiers & java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK) {
3544 altIsDown = TRUE;
3545 ctrlIsDown = TRUE;
3546 }
3547
3548 if (shiftIsDown) {
3549 keyboardState[VK_SHIFT] |= KEY_STATE_DOWN;
3550 }
3551
3552 // fix for 4623376,4737679,4501485,4740906,4708221 (4173679/4122715)
3553 // Here we try to resolve a conflict with ::ToAsciiEx's translating
3554 // ALT+number key combinations. kdm@sarc.spb.su
3555 // yan: Do it for navigation keys only, otherwise some AltGr deadkeys fail.
3556 if( IsNavigationKey(wkey) ) {
3557 keyboardState[VK_MENU] &= ~KEY_STATE_DOWN;
3558 }
3559
3560 if (ctrlIsDown)
3561 {
3562 if (altIsDown) {
3563 // bugid 4215009: don't mess with AltGr == Ctrl + Alt
3564 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3565 }
3566 else {
3567 // bugid 4098210: old event model doesn't have KEY_TYPED
3568 // events, so try to provide a meaningful character for
3569 // Ctrl+<key>. Take Ctrl into account only when we know
3570 // that Ctrl+<key> will be an ASCII control. Ignore by
3571 // default.
3572 keyboardState[VK_CONTROL] &= ~KEY_STATE_DOWN;
3573
3574 // Letters have Ctrl+<letter> counterparts. According to
3575 // <winuser.h> VK_A through VK_Z are the same as ASCII
3576 // 'A' through 'Z'.
3577 if (wkey >= 'A' && wkey <= 'Z') {
3578 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3579 }
3580 else {
3581 // Non-letter controls 033 to 037 are:
3582 // ^[ (ESC), ^\ (FS), ^] (GS), ^^ (RS), and ^_ (US)
3583
3584 // Shift state bits returned by ::VkKeyScan in HIBYTE
3585 static const UINT _VKS_SHIFT_MASK = 0x01;
3586 static const UINT _VKS_CTRL_MASK = 0x02;
3587 static const UINT _VKS_ALT_MASK = 0x04;
3588
3589 // Check to see whether there is a meaningful translation
3590 TCHAR ch;
3591 short vk;
3592 for (ch = _T('\033'); ch < _T('\040'); ch++) {
3593 vk = ::VkKeyScan(ch);
3594 if (wkey == LOBYTE(vk)) {
3595 UINT shiftState = HIBYTE(vk);
3596 if ((shiftState & _VKS_CTRL_MASK) ||
3597 (!(shiftState & _VKS_SHIFT_MASK)
3598 == !shiftIsDown))
3599 {
3600 keyboardState[VK_CONTROL] |= KEY_STATE_DOWN;
3601 }
3602 break;
3603 }
3604 }
3605 }
3606 } // ctrlIsDown && altIsDown
3607 } // ctrlIsDown
3608 } // modifiers
3609
3610 WORD wChar[2];
3611 int converted = 1;
3612 UINT ch = ::MapVirtualKeyEx(wkey, 2, GetKeyboardLayout());
3613 if (ch & 0x80000000) {
3614 // Dead key which is handled as a normal key
3615 isDeadKey = deadKeyActive = TRUE;
3616 } else if (deadKeyActive) {
3617 // We cannot use ::ToUnicodeEx if dead key is active because this will
3618 // break dead key function
3619 wChar[0] = shiftIsDown ? ch : tolower(ch);
3620 } else {
3621 UINT scancode = ::MapVirtualKey(wkey, 0);
3622 converted = ::ToUnicodeEx(wkey, scancode, keyboardState,
3623 wChar, 2, 0, GetKeyboardLayout());
3624 }
3625
3626 UINT translation;
3627 BOOL deadKeyFlag = (converted == 2);
3628
3629 // Dead Key
3630 if (converted < 0 || isDeadKey) {
3631 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3632 } else
3633 // No translation available -- try known conversions or else punt.
3634 if (converted == 0) {
3635 if (wkey == VK_DELETE) {
3636 translation = '\177';
3637 } else
3638 if (wkey >= VK_NUMPAD0 && wkey <= VK_NUMPAD9) {
3639 translation = '0' + wkey - VK_NUMPAD0;
3640 } else {
3641 translation = java_awt_event_KeyEvent_CHAR_UNDEFINED;
3642 }
3643 } else
3644 // the caller expects a Unicode character.
3645 if (converted > 0) {
3646 translation = wChar[0];
3647 }
3648 if (ops == SAVE) {
3649 transTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3650 reinterpret_cast<void*>(static_cast<INT_PTR>(translation)));
3651 if (deadKeyFlag) {
3652 deadKeyFlagTable.put(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)),
3653 reinterpret_cast<void*>(static_cast<INT_PTR>(deadKeyFlag)));
3654 } else {
3655 deadKeyFlagTable.remove(reinterpret_cast<void*>(static_cast<INT_PTR>(wkey)));
3656 }
3657 }
3658
3659 isDeadKey = deadKeyFlag;
3660 return translation;
3661 }
3662
3663 MsgRouting AwtComponent::WmKeyDown(UINT wkey, UINT repCnt,
3664 UINT flags, BOOL system)
3665 {
3666 // VK_PROCESSKEY is a special value which means
3667 // "Current IME wants to consume this KeyEvent"
3668 // Real key code is saved by IMM32.DLL and can be retrieved by
3669 // calling ImmGetVirtualKey();
3670 if (wkey == VK_PROCESSKEY) {
3671 return mrDoDefault;
3672 }
3673 MSG msg;
3674 InitMessage(&msg, (system ? WM_SYSKEYDOWN : WM_KEYDOWN),
3675 wkey, MAKELPARAM(repCnt, flags));
3676
3677 UINT modifiers = GetJavaModifiers();
3678 jint keyLocation = GetKeyLocation(wkey, flags);
3679 BOOL isDeadKey = FALSE;
3680 UINT character = WindowsKeyToJavaChar(wkey, modifiers, SAVE, isDeadKey);
3681 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3682 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3683
3684
3685 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_PRESSED,
3686 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3687 modifiers, keyLocation, (jlong)wkey, &msg);
3688
3689 // bugid 4724007: Windows does not create a WM_CHAR for the Del key
3690 // for some reason, so we need to create the KEY_TYPED event on the
3691 // WM_KEYDOWN. Use null msg so the character doesn't get sent back
3692 // to the native window for processing (this event is synthesized
3693 // for Java - we don't want Windows trying to process it).
3694 if (jkey == java_awt_event_KeyEvent_VK_DELETE) {
3695 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3696 ::JVM_CurrentTimeMillis(NULL, 0),
3697 java_awt_event_KeyEvent_VK_UNDEFINED,
3698 character, modifiers,
3699 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0);
3700 }
3701
3702 return mrConsume;
3703 }
3704
3705 MsgRouting AwtComponent::WmKeyUp(UINT wkey, UINT repCnt,
3706 UINT flags, BOOL system)
3707 {
3708
3709 // VK_PROCESSKEY is a special value which means
3710 // "Current IME wants to consume this KeyEvent"
3711 // Real key code is saved by IMM32.DLL and can be retrieved by
3712 // calling ImmGetVirtualKey();
3713 if (wkey == VK_PROCESSKEY) {
3714 return mrDoDefault;
3715 }
3716 MSG msg;
3717 InitMessage(&msg, (system ? WM_SYSKEYUP : WM_KEYUP),
3718 wkey, MAKELPARAM(repCnt, flags));
3719
3720 UINT modifiers = GetJavaModifiers();
3721 jint keyLocation = GetKeyLocation(wkey, flags);
3722 BOOL isDeadKey = FALSE;
3723 UINT character = WindowsKeyToJavaChar(wkey, modifiers, LOAD, isDeadKey);
3724 UINT jkey = WindowsKeyToJavaKey(wkey, modifiers, character, isDeadKey);
3725 UpdateDynPrimaryKeymap(wkey, jkey, keyLocation, modifiers);
3726
3727 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_RELEASED,
3728 ::JVM_CurrentTimeMillis(NULL, 0), jkey, character,
3729 modifiers, keyLocation, (jlong)wkey, &msg);
3730 return mrConsume;
3731 }
3732
3733 MsgRouting AwtComponent::WmInputLangChange(UINT charset, HKL hKeyboardLayout)
3734 {
3735 // Normally we would be able to use charset and TranslateCharSetInfo
3736 // to get a code page that should be associated with this keyboard
3737 // layout change. However, there seems to be an NT 4.0 bug associated
3738 // with the WM_INPUTLANGCHANGE message, which makes the charset parameter
3739 // unreliable, especially on Asian systems. Our workaround uses the
3740 // keyboard layout handle instead.
3741 m_hkl = hKeyboardLayout;
3742 m_idLang = LOWORD(hKeyboardLayout); // lower word of HKL is LANGID
3743 m_CodePage = LangToCodePage(m_idLang);
3744 BuildDynamicKeyMapTable(); // compute new mappings for VK_OEM
3745 BuildPrimaryDynamicTable();
3746 return mrConsume; // do not propagate to children
3747 }
3748
3749 // Convert Language ID to CodePage
3750 UINT AwtComponent::LangToCodePage(LANGID idLang)
3751 {
3752 TCHAR strCodePage[MAX_ACP_STR_LEN];
3753 // use the LANGID to create a LCID
3754 LCID idLocale = MAKELCID(idLang, SORT_DEFAULT);
3755 // get the ANSI code page associated with this locale
3756 if (GetLocaleInfo(idLocale, LOCALE_IDEFAULTANSICODEPAGE, strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 )
3757 return _ttoi(strCodePage);
3758 else
3759 return GetACP();
3760 }
3761
3762
3763 MsgRouting AwtComponent::WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system)
3764 {
3765 // We will simply create Java events here.
3766 WCHAR unicodeChar = character;
3767 MSG msg;
3768 InitMessage(&msg, WM_IME_CHAR, character,
3769 MAKELPARAM(repCnt, flags));
3770
3771 jint modifiers = GetJavaModifiers();
3772 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3773 ::JVM_CurrentTimeMillis(NULL, 0),
3774 java_awt_event_KeyEvent_VK_UNDEFINED,
3775 unicodeChar, modifiers,
3776 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3777 &msg);
3778 return mrConsume;
3779 }
3780
3781 MsgRouting AwtComponent::WmChar(UINT character, UINT repCnt, UINT flags,
3782 BOOL system)
3783 {
3784 deadKeyActive = FALSE;
3785
3786 // Will only get WmChar messages with DBCS if we create them for
3787 // an Edit class in the WmForwardChar method. These synthesized
3788 // DBCS chars are ok to pass on directly to the default window
3789 // procedure. They've already been filtered through the Java key
3790 // event queue. We will never get the trail byte since the edit
3791 // class will PeekMessage(&msg, hwnd, WM_CHAR, WM_CHAR,
3792 // PM_REMOVE). I would like to be able to pass this character off
3793 // via WM_AWT_FORWARD_BYTE, but the Edit classes don't seem to
3794 // like that.
3795
3796 // We will simply create Java events here.
3797 UINT message = system ? WM_SYSCHAR : WM_CHAR;
3798
3799 // The Alt modifier is reported in the 29th bit of the lParam,
3800 // i.e., it is the 13th bit of `flags' (which is HIWORD(lParam)).
3801 bool alt_is_down = (flags & (1<<13)) != 0;
3802
3803 // Fix for bug 4141621, corrected by fix for bug 6223726: Alt+space doesn't invoke system menu
3804 // We should not pass this particular combination to Java.
3805
3806 if (system && alt_is_down) {
3807 if (character == VK_SPACE) {
3808 return mrDoDefault;
3809 }
3810 }
3811
3812 // If this is a WM_CHAR (non-system) message, then the Alt flag
3813 // indicates that the character was typed using an AltGr key
3814 // (which Windows treats as Ctrl+Alt), so in this case we do NOT
3815 // pass the Ctrl and Alt modifiers to Java, but instead we
3816 // replace them with Java's AltGraph modifier. Note: the AltGraph
3817 // modifier does not exist in 1.1.x releases.
3818 jint modifiers = GetJavaModifiers();
3819 if (!system && alt_is_down) {
3820 // character typed with AltGraph
3821 modifiers &= ~(java_awt_event_InputEvent_ALT_DOWN_MASK
3822 | java_awt_event_InputEvent_CTRL_DOWN_MASK);
3823 modifiers |= java_awt_event_InputEvent_ALT_GRAPH_DOWN_MASK;
3824 }
3825
3826 WCHAR unicodeChar = character;
3827
3828 // Kludge: Combine pending single byte with this char for some Chinese IMEs
3829 if (m_PendingLeadByte != 0) {
3830 character = (m_PendingLeadByte & 0x00ff) | (character << 8);
3831 m_PendingLeadByte = 0;
3832 ::MultiByteToWideChar(GetCodePage(), 0, (CHAR*)&character, 2,
3833 &unicodeChar, 1);
3834 }
3835
3836 if (unicodeChar == VK_RETURN) {
3837 // Enter key generates \r in windows, but \n is required in java
3838 unicodeChar = java_awt_event_KeyEvent_VK_ENTER;
3839 }
3840 MSG msg;
3841 InitMessage(&msg, message, character,
3842 MAKELPARAM(repCnt, flags));
3843 SendKeyEventToFocusOwner(java_awt_event_KeyEvent_KEY_TYPED,
3844 ::JVM_CurrentTimeMillis(NULL, 0),
3845 java_awt_event_KeyEvent_VK_UNDEFINED,
3846 unicodeChar, modifiers,
3847 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
3848 &msg);
3849 return mrConsume;
3850 }
3851
3852 MsgRouting AwtComponent::WmForwardChar(WCHAR character, LPARAM lParam,
3853 BOOL synthetic)
3854 {
3855 // just post WM_CHAR with unicode key value
3856 DefWindowProc(WM_CHAR, (WPARAM)character, lParam);
3857 return mrConsume;
3858 }
3859
3860 MsgRouting AwtComponent::WmPaste()
3861 {
3862 return mrDoDefault;
3863 }
3864
3865 // support IME Composition messages
3866 void AwtComponent::SetCompositionWindow(RECT& r)
3867 {
3868 HWND hwnd = ImmGetHWnd();
3869 HIMC hIMC = ImmGetContext(hwnd);
3870 if (hIMC == NULL) {
3871 return;
3872 }
3873 COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}};
3874 ImmSetCompositionWindow(hIMC, &cf);
3875 ImmReleaseContext(hwnd, hIMC);
3876 }
3877
3878 void AwtComponent::OpenCandidateWindow(int x, int y)
3879 {
3880 UINT bits = 1;
3881 POINT p = {0, 0}; // upper left corner of the client area
3882 HWND hWnd = GetHWnd();
3883 if (!::IsWindowVisible(hWnd)) {
3884 return;
3885 }
3886 HWND hTop = GetTopLevelParentForWindow(hWnd);
3887 ::ClientToScreen(hTop, &p);
3888 if (!m_bitsCandType) {
3889 SetCandidateWindow(m_bitsCandType, x - p.x, y - p.y);
3890 return;
3891 }
3892 for (int iCandType=0; iCandType<32; iCandType++, bits<<=1) {
3893 if ( m_bitsCandType & bits )
3894 SetCandidateWindow(iCandType, x - p.x, y - p.y);
3895 }
3896 }
3897
3898 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3899 {
3900 HWND hwnd = ImmGetHWnd();
3901 HIMC hIMC = ImmGetContext(hwnd);
3902 if (hIMC) {
3903 CANDIDATEFORM cf;
3904 cf.dwStyle = CFS_POINT;
3905 ImmGetCandidateWindow(hIMC, 0, &cf);
3906 if (x != cf.ptCurrentPos.x || y != cf.ptCurrentPos.y) {
3907 cf.dwIndex = iCandType;
3908 cf.dwStyle = CFS_POINT;
3909 cf.ptCurrentPos = {x, y};
3910 cf.rcArea = {0, 0, 0, 0};
3911 ImmSetCandidateWindow(hIMC, &cf);
3912 }
3913 COMPOSITIONFORM cfr;
3914 cfr.dwStyle = CFS_POINT;
3915 ImmGetCompositionWindow(hIMC, &cfr);
3916 if (x != cfr.ptCurrentPos.x || y != cfr.ptCurrentPos.y) {
3917 cfr.dwStyle = CFS_POINT;
3918 cfr.ptCurrentPos = {x, y};
3919 cfr.rcArea = {0, 0, 0, 0};
3920 ImmSetCompositionWindow(hIMC, &cfr);
3921 }
3922 ImmReleaseContext(hwnd, hIMC);
3923 }
3924 }
3925
3926 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3927 {
3928 // If the Windows input context is disabled, do not let Windows
3929 // display any UIs.
3930 HWND hwnd = ImmGetHWnd();
3931 HIMC hIMC = ImmGetContext(hwnd);
3932 if (hIMC == NULL) {
3933 *lplParam = 0;
3934 return mrDoDefault;
3935 }
3936 ImmReleaseContext(hwnd, hIMC);
3937
3938 if (fSet) {
3939 LPARAM lParam = *lplParam;
3940 if (!m_useNativeCompWindow) {
3941 // stop to draw native composing window.
3942 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3943 }
3944 }
3945 return mrDoDefault;
3946 }
3947
3948 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3949 {
3950 if (!m_useNativeCompWindow) {
3951 if (subMsg == IMN_OPENCANDIDATE || subMsg == IMN_CHANGECANDIDATE) {
3952 m_bitsCandType = bitsCandType;
3953 InquireCandidatePosition();
3954 } else if (subMsg == IMN_OPENSTATUSWINDOW ||
3955 subMsg == WM_IME_STARTCOMPOSITION ||
3956 subMsg == IMN_SETCANDIDATEPOS) {
3957 InquireCandidatePosition();
3958 }
3959 }
3960 return mrDoDefault;
3961 }
3962
3963 MsgRouting AwtComponent::WmImeStartComposition()
3964 {
3965 if (m_useNativeCompWindow) {
3966 RECT rc;
3967 ::GetClientRect(GetHWnd(), &rc);
3968 SetCompositionWindow(rc);
3969 return mrDoDefault;
3970 } else
3971 return mrConsume;
3972 }
3973
3974 MsgRouting AwtComponent::WmImeEndComposition()
3975 {
3976 if (m_useNativeCompWindow) return mrDoDefault;
3977
3978 SendInputMethodEvent(
3979 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3980 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3981 return mrConsume;
3982 }
3983
3984 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3985 {
3986 if (m_useNativeCompWindow) return mrDoDefault;
3987
3988 int* bndClauseW = NULL;
3989 jstring* readingClauseW = NULL;
3990 int* bndAttrW = NULL;
3991 BYTE* valAttrW = NULL;
3992 int cClauseW = 0;
3993 AwtInputTextInfor* textInfor = NULL;
3994
3995 try {
3996 HWND hwnd = ImmGetHWnd();
3997 HIMC hIMC = ImmGetContext(hwnd);
3998 DASSERT(hIMC!=0);
3999
4000 textInfor = new AwtInputTextInfor;
4001 textInfor->GetContextData(hIMC, flags);
4002 ImmReleaseContext(hwnd, hIMC);
4003
4004 jstring jtextString = textInfor->GetText();
4005 /* The conditions to send the input method event to AWT EDT are:
4006 1. Whenever there is a composition message sent regarding whether
4007 the composition text is NULL or not. See details at bug 6222692.
4008 2. When there is a committed message sent, in which case, we have to
4009 check whether the committed string is NULL or not. If the committed string
4010 is NULL, there is no need to send any input method event.
4011 (Minor note: 'jtextString' returned is the merged string in the case of
4012 partial commit.)
4013 */
4014 if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
4015 (flags & GCS_COMPSTR)) {
4016 int cursorPosW = textInfor->GetCursorPosition();
4017 // In order not to delete the readingClauseW in the catch clause,
4018 // calling GetAttributeInfor before GetClauseInfor.
4019 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
4020 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
4021
4022 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
4023 the event to AWT EDT.
4024
4025 The last two paremeters are set to equal since we don't have recommendations for
4026 the visible position within the current composed text. See details at
4027 java.awt.event.InputMethodEvent.
4028 */
4029 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
4030 jtextString,
4031 cClauseW, bndClauseW, readingClauseW,
4032 cAttrW, bndAttrW, valAttrW,
4033 textInfor->GetCommittedTextLength(),
4034 cursorPosW, cursorPosW);
4035 }
4036 } catch (...) {
4037 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
4038 // the pointer here.
4039 delete [] bndClauseW;
4040 delete [] readingClauseW;
4041 delete [] bndAttrW;
4042 delete [] valAttrW;
4043 throw;
4044 }
4045
4046 /* Free the storage allocated. Since jtextString won't be passed from threads
4047 * to threads, we just use the local ref and it will be deleted within the destructor
4048 * of AwtInputTextInfor object.
4049 */
4050 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4051 if (cClauseW && readingClauseW) {
4052 for (int i = 0; i < cClauseW; i ++) {
4053 if (readingClauseW[i]) {
4054 env->DeleteLocalRef(readingClauseW[i]);
4055 }
4056 }
4057 }
4058 delete [] bndClauseW;
4059 delete [] readingClauseW;
4060 delete [] bndAttrW;
4061 delete [] valAttrW;
4062 delete textInfor;
4063
4064 return mrConsume;
4065 }
4066
4067 //
4068 // generate and post InputMethodEvent
4069 //
4070 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
4071 int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
4072 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
4073 int commitedTextLength, int caretPos, int visiblePos)
4074 {
4075 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4076
4077 // assumption for array type casting
4078 DASSERT(sizeof(int)==sizeof(jint));
4079 DASSERT(sizeof(BYTE)==sizeof(jbyte));
4080
4081 // caluse information
4082 jintArray clauseBoundary = NULL;
4083 jobjectArray clauseReading = NULL;
4084 if (cClause && rgClauseBoundary && rgClauseReading) {
4085 // convert clause boundary offset array to java array
4086 clauseBoundary = env->NewIntArray(cClause+1);
4087 DASSERT(clauseBoundary);
4088 CHECK_NULL(clauseBoundary);
4089 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
4090 DASSERT(!safe_ExceptionOccurred(env));
4091
4092 // convert clause reading string array to java array
4093 jclass stringCls = JNU_ClassString(env);
4094 DASSERT(stringCls);
4095 CHECK_NULL(stringCls);
4096 clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
4097 DASSERT(clauseReading);
4098 CHECK_NULL(clauseReading);
4099 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
4100 DASSERT(!safe_ExceptionOccurred(env));
4101 }
4102
4103
4104 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
4105 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
4106 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
4107 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
4108 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
4109 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
4110
4111 // attribute information
4112 jintArray attrBoundary = NULL;
4113 jbyteArray attrValue = NULL;
4114 if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
4115 // convert attribute boundary offset array to java array
4116 attrBoundary = env->NewIntArray(cAttrBlock+1);
4117 DASSERT(attrBoundary);
4118 CHECK_NULL(attrBoundary);
4119 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
4120 DASSERT(!safe_ExceptionOccurred(env));
4121
4122 // convert attribute value byte array to java array
4123 attrValue = env->NewByteArray(cAttrBlock);
4124 DASSERT(attrValue);
4125 CHECK_NULL(attrValue);
4126 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
4127 DASSERT(!safe_ExceptionOccurred(env));
4128 }
4129
4130
4131 // get global reference of WInputMethod class (run only once)
4132 static jclass wInputMethodCls = NULL;
4133 if (wInputMethodCls == NULL) {
4134 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4135 DASSERT(wInputMethodClsLocal);
4136 CHECK_NULL(wInputMethodClsLocal);
4137 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4138 env->DeleteLocalRef(wInputMethodClsLocal);
4139 }
4140
4141 // get method ID of sendInputMethodEvent() (run only once)
4142 static jmethodID sendIMEventMid = 0;
4143 if (sendIMEventMid == 0) {
4144 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
4145 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
4146 DASSERT(sendIMEventMid);
4147 CHECK_NULL(sendIMEventMid);
4148 }
4149
4150 // call m_InputMethod.sendInputMethod()
4151 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0),
4152 text, clauseBoundary, clauseReading, attrBoundary,
4153 attrValue, commitedTextLength, caretPos, visiblePos);
4154 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4155 DASSERT(!safe_ExceptionOccurred(env));
4156
4157 }
4158
4159
4160
4161 //
4162 // Inquires candidate position according to the composed text
4163 //
4164 void AwtComponent::InquireCandidatePosition()
4165 {
4166 if (!::IsWindowVisible(GetHWnd())) {
4167 return;
4168 }
4169 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4170
4171 // get global reference of WInputMethod class (run only once)
4172 static jclass wInputMethodCls = NULL;
4173 if (wInputMethodCls == NULL) {
4174 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4175 DASSERT(wInputMethodClsLocal);
4176 CHECK_NULL(wInputMethodClsLocal);
4177 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4178 env->DeleteLocalRef(wInputMethodClsLocal);
4179 }
4180
4181 // get method ID of sendInputMethodEvent() (run only once)
4182 static jmethodID inqCandPosMid = 0;
4183 if (inqCandPosMid == 0) {
4184 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4185 DASSERT(!safe_ExceptionOccurred(env));
4186 DASSERT(inqCandPosMid);
4187 CHECK_NULL(inqCandPosMid);
4188 }
4189
4190 // call m_InputMethod.sendInputMethod()
4191 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4192 DASSERT(!safe_ExceptionOccurred(env));
4193 }
4194
4195 HWND AwtComponent::ImmGetHWnd()
4196 {
4197 HWND proxy = GetProxyFocusOwner();
4198 return (proxy != NULL) ? proxy : GetHWnd();
4199 }
4200
4201 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4202 {
4203 return ::ImmAssociateContext(ImmGetHWnd(), himc);
4204 }
4205
4206 HWND AwtComponent::GetProxyFocusOwner()
4207 {
4208 AwtWindow *window = GetContainer();
4209 if (window != 0) {
4210 AwtFrame *owner = window->GetOwningFrameOrDialog();
4211 if (owner != 0) {
4212 return owner->GetProxyFocusOwner();
4213 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4214 return ((AwtFrame*)window)->GetProxyFocusOwner();
4215 }
4216 }
4217 return (HWND)NULL;
4218 }
4219
4220 /* Redirects message to the focus proxy, if any */
4221 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4222 LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4223 {
4224 if (mr != mrConsume) {
4225 HWND proxy = GetProxyFocusOwner();
4226 if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4227 retVal = ::DefWindowProc(proxy, message, wParam, lParam);
4228 mr = mrConsume;
4229 }
4230 }
4231 }
4232
4233 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4234 {
4235 /* Menu/Accelerator */
4236 if (hWndChild == 0) {
4237 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4238 if (obj == NULL) {
4239 return mrConsume;
4240 }
4241 DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4242 obj->DoCommand();
4243 return mrConsume;
4244 }
4245 /* Child id notification */
4246 else {
4247 AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4248 if (child) {
4249 child->WmNotify(notifyCode);
4250 }
4251 }
4252 return mrDoDefault;
4253 }
4254
4255 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4256 {
4257 return mrDoDefault;
4258 }
4259
4260 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4261 COMPAREITEMSTRUCT &compareInfo,
4262 LRESULT &result)
4263 {
4264 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4265 if (child == this) {
4266 /* DoCallback("handleItemDelete", */
4267 }
4268 else if (child) {
4269 return child->WmCompareItem(ctrlId, compareInfo, result);
4270 }
4271 return mrConsume;
4272 }
4273
4274 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4275 DELETEITEMSTRUCT &deleteInfo)
4276 {
4277 /*
4278 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4279 * window, a WM_DELETEITEM message is sent to its parent with a window
4280 * handle of one of the list's child windows. The property lookup
4281 * succeeds, but the HWNDs don't match.
4282 */
4283 if (deleteInfo.hwndItem == NULL) {
4284 return mrConsume;
4285 }
4286 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4287
4288 if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4289 return mrConsume;
4290 }
4291
4292 if (child == this) {
4293 /*DoCallback("handleItemDelete", */
4294 }
4295 else if (child) {
4296 return child->WmDeleteItem(ctrlId, deleteInfo);
4297 }
4298 return mrConsume;
4299 }
4300
4301 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4302 {
4303 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4304
4305 if (drawInfo.CtlType == ODT_MENU) {
4306 if (IsMenu((HMENU)drawInfo.hwndItem) && drawInfo.itemData != 0) {
4307 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4308 menu->DrawItem(drawInfo);
4309 }
4310 } else {
4311 return OwnerDrawItem(ctrlId, drawInfo);
4312 }
4313 return mrConsume;
4314 }
4315
4316 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4317 MEASUREITEMSTRUCT &measureInfo)
4318 {
4319 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4320
4321 if (measureInfo.CtlType == ODT_MENU) {
4322 if (measureInfo.itemData != 0) {
4323 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4324 HDC hDC = ::GetDC(GetHWnd());
4325 /* menu->MeasureItem(env, hDC, measureInfo); */
4326 menu->MeasureItem(hDC, measureInfo);
4327 ::ReleaseDC(GetHWnd(), hDC);
4328 }
4329 } else {
4330 return OwnerMeasureItem(ctrlId, measureInfo);
4331 }
4332 return mrConsume;
4333 }
4334
4335 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4336 DRAWITEMSTRUCT &drawInfo)
4337 {
4338 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4339 if (child == this) {
4340 /* DoCallback("handleItemDelete", */
4341 } else if (child != NULL) {
4342 return child->WmDrawItem(ctrlId, drawInfo);
4343 }
4344 return mrConsume;
4345 }
4346
4347 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4348 MEASUREITEMSTRUCT &measureInfo)
4349 {
4350 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4351 AwtComponent* child = AwtComponent::GetComponent(hChild);
4352 /*
4353 * If the parent cannot find the child's instance from its handle,
4354 * maybe the child is in its creation. So the child must be searched
4355 * from the list linked before the child's creation.
4356 */
4357 if (child == NULL) {
4358 child = SearchChild((UINT)ctrlId);
4359 }
4360
4361 if (child == this) {
4362 /* DoCallback("handleItemDelete", */
4363 }
4364 else if (child) {
4365 return child->WmMeasureItem(ctrlId, measureInfo);
4366 }
4367 return mrConsume;
4368 }
4369
4370 /* for WmDrawItem method of Label, Button and Checkbox */
4371 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4372 int x, int y)
4373 {
4374 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4375 DASSERT(nOldBkMode != 0);
4376 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4377 VERIFY(::SetBkMode(hDC,nOldBkMode));
4378 }
4379
4380 /*
4381 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4382 * component is disabled. Used only for label, checkbox and button in
4383 * OWNER_DRAW. It draws the text in emboss.
4384 */
4385 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4386 int x, int y)
4387 {
4388 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4389 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4390 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4391 AwtComponent::DrawWindowText(hDC, font, text, x, y);
4392 }
4393
4394 /* for WmMeasureItem method of List and Choice */
4395 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4396 {
4397 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4398 "(I)Ljava/lang/String;",
4399 index).l;
4400 DASSERT(!safe_ExceptionOccurred(env));
4401 return str;
4402 }
4403
4404 /* for WmMeasureItem method of List and Choice */
4405 void AwtComponent::MeasureListItem(JNIEnv *env,
4406 MEASUREITEMSTRUCT &measureInfo)
4407 {
4408 if (env->EnsureLocalCapacity(1) < 0) {
4409 return;
4410 }
4411 jobject dimension = PreferredItemSize(env);
4412 DASSERT(dimension);
4413 measureInfo.itemWidth =
4414 env->GetIntField(dimension, AwtDimension::widthID);
4415 measureInfo.itemHeight =
4416 env->GetIntField(dimension, AwtDimension::heightID);
4417 env->DeleteLocalRef(dimension);
4418 }
4419
4420 /* for WmDrawItem method of List and Choice */
4421 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4422 {
4423 if (env->EnsureLocalCapacity(3) < 0) {
4424 return;
4425 }
4426 jobject peer = GetPeer(env);
4427 jobject target = env->GetObjectField(peer, AwtObject::targetID);
4428
4429 HDC hDC = drawInfo.hDC;
4430 RECT rect = drawInfo.rcItem;
4431
4432 BOOL bEnabled = isEnabled();
4433 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4434 DWORD crBack, crText;
4435 if (drawInfo.itemState & ODS_SELECTED){
4436 /* Set background and text colors for selected item */
4437 crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4438 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4439 } else {
4440 /* Set background and text colors for unselected item */
4441 crBack = GetBackgroundColor();
4442 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4443 }
4444 if (unfocusableChoice) {
4445 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4446 crBack = GetBackgroundColor();
4447 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4448 }
4449
4450 /* Fill item rectangle with background color */
4451 HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4452 DASSERT(hbrBack);
4453 /* 6190728. Shouldn't draw any kind of rectangle around selection field
4454 * (edit control) of an owner-drawn combo box while unfocusable
4455 */
4456 if (!unfocusableChoice){
4457 VERIFY(::FillRect (hDC, &rect, hbrBack));
4458 }
4459 VERIFY(::DeleteObject (hbrBack));
4460
4461 /* Set current background and text colors */
4462 ::SetBkColor (hDC, crBack);
4463 ::SetTextColor (hDC, crText);
4464
4465 /*draw string (with left margin of 1 point) */
4466 if ((int) (drawInfo.itemID) >= 0) {
4467 jobject font = GET_FONT(target, peer);
4468 jstring text = GetItemString(env, target, drawInfo.itemID);
4469 if (env->ExceptionCheck()) {
4470 env->DeleteLocalRef(font);
4471 env->DeleteLocalRef(target);
4472 return;
4473 }
4474 SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4475 AwtFont::drawMFString(hDC, font, text,
4476 (GetRTL()) ? rect.right - size.cx - 1
4477 : rect.left + 1,
4478 (rect.top + rect.bottom - size.cy) / 2,
4479 GetCodePage());
4480 env->DeleteLocalRef(font);
4481 env->DeleteLocalRef(text);
4482 }
4483 if ((drawInfo.itemState & ODS_FOCUS) &&
4484 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4485 if (!unfocusableChoice){
4486 if(::DrawFocusRect(hDC, &rect) == 0)
4487 VERIFY(::GetLastError() == 0);
4488 }
4489 }
4490 env->DeleteLocalRef(target);
4491 }
4492
4493 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4494 jint AwtComponent::GetFontHeight(JNIEnv *env)
4495 {
4496 if (env->EnsureLocalCapacity(4) < 0) {
4497 return NULL;
4498 }
4499 jobject self = GetPeer(env);
4500 jobject target = env->GetObjectField(self, AwtObject::targetID);
4501
4502 jobject font = GET_FONT(target, self);
4503 jobject toolkit = env->CallObjectMethod(target,
4504 AwtComponent::getToolkitMID);
4505
4506 DASSERT(!safe_ExceptionOccurred(env));
4507
4508 jobject fontMetrics =
4509 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4510
4511 DASSERT(!safe_ExceptionOccurred(env));
4512
4513 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4514 DASSERT(!safe_ExceptionOccurred(env));
4515
4516 env->DeleteLocalRef(target);
4517 env->DeleteLocalRef(font);
4518 env->DeleteLocalRef(toolkit);
4519 env->DeleteLocalRef(fontMetrics);
4520
4521 return height;
4522 }
4523
4524 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4525 // stack to be restored in WmPrintClient. Windows mangles the DC in
4526 // ::DefWindowProc.
4527 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4528 {
4529 /*
4530 * DefWindowProc for WM_PRINT changes DC parameters, so we have
4531 * to restore it ourselves. Otherwise it will cause problems
4532 * when several components are printed to the same DC.
4533 */
4534 int nOriginalDC = ::SaveDC(hDC);
4535 DASSERT(nOriginalDC != 0);
4536
4537 if (flags & PRF_NONCLIENT) {
4538
4539 VERIFY(::SaveDC(hDC));
4540
4541 DefWindowProc(WM_PRINT, (WPARAM)hDC,
4542 (flags & (PRF_NONCLIENT
4543 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4544
4545 VERIFY(::RestoreDC(hDC, -1));
4546
4547 // Special case for components with a sunken border. Windows does not
4548 // print the border correctly on PCL printers, so we have to do it ourselves.
4549 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4550 RECT r;
4551 VERIFY(::GetWindowRect(GetHWnd(), &r));
4552 VERIFY(::OffsetRect(&r, -r.left, -r.top));
4553 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4554 }
4555 }
4556
4557 if (flags & PRF_CLIENT) {
4558
4559 /*
4560 * Special case for components with a sunken border.
4561 * Windows prints a client area without offset to a border width.
4562 * We will first print the non-client area with the original offset,
4563 * then the client area with a corrected offset.
4564 */
4565 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4566
4567 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4568 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4569
4570 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4571
4572 // Save a copy of the DC for WmPrintClient
4573 VERIFY(::SaveDC(hDC));
4574
4575 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4576 (flags & (PRF_CLIENT
4577 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4578
4579 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4580
4581 } else {
4582
4583 // Save a copy of the DC for WmPrintClient
4584 VERIFY(::SaveDC(hDC));
4585 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4586 (flags & (PRF_CLIENT
4587 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4588 }
4589 }
4590
4591 if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4592 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4593 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4594 }
4595
4596 VERIFY(::RestoreDC(hDC, nOriginalDC));
4597
4598 return mrConsume;
4599 }
4600
4601 // If you override WmPrintClient, make sure to obtain a valid copy of
4602 // the DC from the GDI stack. The copy of the DC should have been placed
4603 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4604 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4605 {
4606 // obtain valid DC from GDI stack
4607 ::RestoreDC(hDC, -1);
4608
4609 return mrDoDefault;
4610 }
4611
4612 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4613 LPNCCALCSIZE_PARAMS lpncsp,
4614 LRESULT &retVal)
4615 {
4616 return mrDoDefault;
4617 }
4618
4619 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4620 {
4621 return mrDoDefault;
4622 }
4623
4624 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4625 {
4626 return mrDoDefault;
4627 }
4628
4629 /**
4630 * WmQueryNewPalette is called whenever our component is coming to
4631 * the foreground; this gives us an opportunity to install our
4632 * custom palette. If this install actually changes entries in
4633 * the system palette, then we get a further call to WmPaletteChanged
4634 * (but note that we only need to realize our palette once).
4635 */
4636 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4637 {
4638 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4639 m_QueryNewPaletteCalled = TRUE;
4640 HDC hDC = ::GetDC(GetHWnd());
4641 DASSERT(hDC);
4642 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4643 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4644 ::ReleaseDC(GetHWnd(), hDC);
4645 // We must realize the palettes of all of our DC's
4646 // There is sometimes a problem where the realization of
4647 // our temporary hDC here does not actually do what
4648 // we want. Not clear why, but presumably fallout from
4649 // our use of several simultaneous hDC's.
4650 activeDCList.RealizePalettes(screen);
4651 // Do not invalidate here; if the palette
4652 // has not changed we will get an extra repaint
4653 retVal = TRUE;
4654
4655 return mrDoDefault;
4656 }
4657
4658 /**
4659 * We should not need to track this event since we handle our
4660 * palette management effectively in the WmQueryNewPalette and
4661 * WmPaletteChanged methods. However, there seems to be a bug
4662 * on some win32 systems (e.g., NT4) whereby the palette
4663 * immediately after a displayChange is not yet updated to its
4664 * final post-display-change values (hence we adjust our palette
4665 * using the wrong system palette entries), then the palette is
4666 * updated, but a WM_PALETTECHANGED message is never sent.
4667 * By tracking the ISCHANGING message as well (and by tracking
4668 * displayChange events in the AwtToolkit object), we can account
4669 * for this error by forcing our WmPaletteChanged method to be
4670 * called and thereby realizing our logical palette and updating
4671 * our dynamic colorModel object.
4672 */
4673 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4674 {
4675 if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4676 WmPaletteChanged(hwndPalChg);
4677 AwtToolkit::GetInstance().ResetDisplayChanged();
4678 }
4679 return mrDoDefault;
4680 }
4681
4682 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4683 {
4684 // We need to re-realize our palette here (unless we're the one
4685 // that was realizing it in the first place). That will let us match the
4686 // remaining colors in the system palette as best we can. We always
4687 // invalidate because the palette will have changed when we receive this
4688 // message.
4689
4690 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4691 if (hwndPalChg != GetHWnd()) {
4692 HDC hDC = ::GetDC(GetHWnd());
4693 DASSERT(hDC);
4694 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4695 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4696 ::ReleaseDC(GetHWnd(), hDC);
4697 // We must realize the palettes of all of our DC's
4698 activeDCList.RealizePalettes(screen);
4699 }
4700 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4701 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4702 }
4703 Invalidate(NULL);
4704 return mrDoDefault;
4705 }
4706
4707 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4708 {
4709 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4710 return mrDoDefault;
4711 }
4712
4713 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4714 {
4715 DASSERT(!IsBadStringPtr(pszSection, 20));
4716 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4717 return mrDoDefault;
4718 }
4719
4720 HDC AwtComponent::GetDCFromComponent()
4721 {
4722 GetDCReturnStruct *hdcStruct =
4723 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4724 HDC hdc;
4725 if (hdcStruct) {
4726 if (hdcStruct->gdiLimitReached) {
4727 if (jvm != NULL) {
4728 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4729 if (env != NULL && !safe_ExceptionOccurred(env)) {
4730 JNU_ThrowByName(env, "java/awt/AWTError",
4731 "HDC creation failure - " \
4732 "exceeded maximum GDI resources");
4733 }
4734 }
4735 }
4736 hdc = hdcStruct->hDC;
4737 delete hdcStruct;
4738 } else {
4739 hdc = NULL;
4740 }
4741 return hdc;
4742 }
4743
4744 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4745 {
4746 RECT eraseR = { 0, 0, size.cx, size.cy };
4747 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4748 }
4749
4750 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4751 {
4752 if (!bitmapBits) {
4753 return;
4754 }
4755
4756 DWORD* dest = (DWORD*)bitmapBits;
4757 //XXX: might be optimized to use one loop (cy*cx -> 0)
4758 for (int i = 0; i < size.cy; i++ ) {
4759 for (int j = 0; j < size.cx; j++ ) {
4760 ((BYTE*)(dest++))[3] = alpha;
4761 }
4762 }
4763 }
4764
4765 int AwtComponent::ScaleUpX(int x) {
4766 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4767 Devices::InstanceAccess devices;
4768 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4769 return device == NULL ? x : device->ScaleUpX(x);
4770 }
4771
4772 int AwtComponent::ScaleUpY(int y) {
4773 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4774 Devices::InstanceAccess devices;
4775 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4776 return device == NULL ? y : device->ScaleUpY(y);
4777 }
4778
4779 int AwtComponent::ScaleDownX(int x) {
4780 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4781 Devices::InstanceAccess devices;
4782 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4783 return device == NULL ? x : device->ScaleDownX(x);
4784 }
4785
4786 int AwtComponent::ScaleDownY(int y) {
4787 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4788 Devices::InstanceAccess devices;
4789 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4790 return device == NULL ? y : device->ScaleDownY(y);
4791 }
4792
4793 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4794 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4795
4796 if (!::IsWindowVisible(GetHWnd())) {
4797 return NULL;
4798 }
4799
4800 HDC hdc = GetDCFromComponent();
4801 if (!hdc) {
4802 return NULL;
4803 }
4804 HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4805 void *bitmapBits = NULL;
4806 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4807 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4808 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4809
4810 FillBackground(hMemoryDC, size);
4811
4812 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4813
4814 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4815 // above.
4816 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4817
4818 // First make sure the system completed any drawing to the bitmap.
4819 ::GdiFlush();
4820
4821 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4822 // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4823 // the pixels will be considered transparent when interpreting the data.
4824 FillAlpha(bitmapBits, size, alpha);
4825
4826 ::SelectObject(hMemoryDC, hOldBitmap);
4827
4828 BITMAPINFO bmi;
4829 memset(&bmi, 0, sizeof(BITMAPINFO));
4830 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4831 bmi.bmiHeader.biWidth = size.cx;
4832 bmi.bmiHeader.biHeight = -size.cy;
4833 bmi.bmiHeader.biPlanes = 1;
4834 bmi.bmiHeader.biBitCount = 32;
4835 bmi.bmiHeader.biCompression = BI_RGB;
4836
4837 jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4838 jintArray pixelArray = NULL;
4839 if (localPixelArray != NULL) {
4840 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4841 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4842
4843 jboolean isCopy;
4844 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4845
4846 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4847 DIB_RGB_COLORS);
4848
4849 env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4850 }
4851
4852 VERIFY(::DeleteObject(hBitmap));
4853 VERIFY(::DeleteDC(hMemoryDC));
4854
4855 return pixelArray;
4856 }
4857
4858 void* AwtComponent::SetNativeFocusOwner(void *self) {
4859 if (self == NULL) {
4860 // It means that the KFM wants to set focus to null
4861 sm_focusOwner = NULL;
4862 return NULL;
4863 }
4864
4865 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4866
4867 AwtComponent *c = NULL;
4868 jobject peer = (jobject)self;
4869
4870 PDATA pData;
4871 JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4872 pData = JNI_GET_PDATA(peer);
4873 if (pData == NULL) {
4874 goto ret;
4875 }
4876 c = (AwtComponent *)pData;
4877
4878 ret:
4879 if (c && ::IsWindow(c->GetHWnd())) {
4880 sm_focusOwner = c->GetHWnd();
4881 } else {
4882 sm_focusOwner = NULL;
4883 }
4884 env->DeleteGlobalRef(peer);
4885 return NULL;
4886 }
4887
4888 void* AwtComponent::GetNativeFocusedWindow() {
4889 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4890 AwtComponent *comp =
4891 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4892 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4893 }
4894
4895 void* AwtComponent::GetNativeFocusOwner() {
4896 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4897 AwtComponent *comp =
4898 AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4899 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4900 }
4901
4902 AwtComponent* AwtComponent::SearchChild(UINT id) {
4903 ChildListItem* child;
4904 for (child = m_childList; child != NULL;child = child->m_next) {
4905 if (child->m_ID == id)
4906 return child->m_Component;
4907 }
4908 /*
4909 * DASSERT(FALSE);
4910 * This should not be happend if all children are recorded
4911 */
4912 return NULL; /* make compiler happy */
4913 }
4914
4915 void AwtComponent::RemoveChild(UINT id) {
4916 ChildListItem* child = m_childList;
4917 ChildListItem* lastChild = NULL;
4918 while (child != NULL) {
4919 if (child->m_ID == id) {
4920 if (lastChild == NULL) {
4921 m_childList = child->m_next;
4922 } else {
4923 lastChild->m_next = child->m_next;
4924 }
4925 child->m_next = NULL;
4926 DASSERT(child != NULL);
4927 delete child;
4928 return;
4929 }
4930 lastChild = child;
4931 child = child->m_next;
4932 }
4933 }
4934
4935 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4936 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4937 {
4938 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4939 CriticalSection::Lock l(GetLock());
4940 if (GetPeer(env) == NULL) {
4941 /* event received during termination. */
4942 return;
4943 }
4944
4945 static jclass keyEventCls;
4946 if (keyEventCls == NULL) {
4947 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4948 DASSERT(keyEventClsLocal);
4949 if (keyEventClsLocal == NULL) {
4950 /* exception already thrown */
4951 return;
4952 }
4953 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4954 env->DeleteLocalRef(keyEventClsLocal);
4955 }
4956
4957 static jmethodID keyEventConst;
4958 if (keyEventConst == NULL) {
4959 keyEventConst = env->GetMethodID(keyEventCls, "<init>",
4960 "(Ljava/awt/Component;IJIICI)V");
4961 DASSERT(keyEventConst);
4962 CHECK_NULL(keyEventConst);
4963 }
4964 if (env->EnsureLocalCapacity(2) < 0) {
4965 return;
4966 }
4967 jobject target = GetTarget(env);
4968 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4969 id, when, modifiers, raw, cooked,
4970 keyLocation);
4971 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4972 DASSERT(!safe_ExceptionOccurred(env));
4973 DASSERT(keyEvent != NULL);
4974 if (keyEvent == NULL) {
4975 env->DeleteLocalRef(target);
4976 return;
4977 }
4978 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4979 if( nativeCode && nativeCode < 256 ) {
4980 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4981 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4982 if( nativeCode < 255 ) {
4983 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4984 }else if( pMsg != NULL ) {
4985 // unknown key with virtual keycode 0xFF.
4986 // Its scancode is not in the table, pickup it from the message.
4987 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4988 }
4989 }
4990 if (pMsg != NULL) {
4991 AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
4992 }
4993 SendEvent(keyEvent);
4994
4995 env->DeleteLocalRef(keyEvent);
4996 env->DeleteLocalRef(target);
4997 }
4998
4999 void
5000 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
5001 jint raw, jint cooked,
5002 jint modifiers, jint keyLocation,
5003 jlong nativeCode,
5004 MSG *msg)
5005 {
5006 /*
5007 * if focus owner is null, but focused window isn't
5008 * we will send key event to focused window
5009 */
5010 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
5011
5012 if (hwndTarget == GetHWnd()) {
5013 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
5014 } else {
5015 AwtComponent *target = NULL;
5016 if (hwndTarget != NULL) {
5017 target = AwtComponent::GetComponent(hwndTarget);
5018 if (target == NULL) {
5019 target = this;
5020 }
5021 }
5022 if (target != NULL) {
5023 target->SendKeyEvent(id, when, raw, cooked, modifiers,
5024 keyLocation, nativeCode, msg);
5025 }
5026 }
5027 }
5028
5029 void AwtComponent::SetDragCapture(UINT flags)
5030 {
5031 // don't want to interfere with other controls
5032 if (::GetCapture() == NULL) {
5033 ::SetCapture(GetHWnd());
5034 }
5035 }
5036
5037 void AwtComponent::ReleaseDragCapture(UINT flags)
5038 {
5039 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
5040 // user has released all buttons, so release the capture
5041 ::ReleaseCapture();
5042 }
5043 }
5044
5045 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
5046 jint modifiers, jint clickCount,
5047 jboolean popupTrigger, jint button,
5048 MSG *pMsg, BOOL causedByTouchEvent)
5049 {
5050 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5051 CriticalSection::Lock l(GetLock());
5052 if (GetPeer(env) == NULL) {
5053 /* event received during termination. */
5054 return;
5055 }
5056
5057 static jclass mouseEventCls;
5058 if (mouseEventCls == NULL) {
5059 jclass mouseEventClsLocal =
5060 env->FindClass("java/awt/event/MouseEvent");
5061 CHECK_NULL(mouseEventClsLocal);
5062 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
5063 env->DeleteLocalRef(mouseEventClsLocal);
5064 }
5065 RECT insets;
5066 GetInsets(&insets);
5067
5068 static jmethodID mouseEventConst;
5069 if (mouseEventConst == NULL) {
5070 mouseEventConst =
5071 env->GetMethodID(mouseEventCls, "<init>",
5072 "(Ljava/awt/Component;IJIIIIIIZI)V");
5073 DASSERT(mouseEventConst);
5074 CHECK_NULL(mouseEventConst);
5075 }
5076 if (env->EnsureLocalCapacity(2) < 0) {
5077 return;
5078 }
5079 jobject target = GetTarget(env);
5080 DWORD curMousePos = ::GetMessagePos();
5081 int xAbs = GET_X_LPARAM(curMousePos);
5082 int yAbs = GET_Y_LPARAM(curMousePos);
5083 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
5084 target,
5085 id, when, modifiers,
5086 ScaleDownX(x + insets.left),
5087 ScaleDownY(y + insets.top),
5088 ScaleDownX(xAbs), ScaleDownY(yAbs),
5089 clickCount, popupTrigger, button);
5090
5091 if (safe_ExceptionOccurred(env)) {
5092 env->ExceptionDescribe();
5093 env->ExceptionClear();
5094 }
5095
5096 DASSERT(mouseEvent != NULL);
5097 CHECK_NULL(mouseEvent);
5098 if (causedByTouchEvent) {
5099 env->SetBooleanField(mouseEvent, AwtMouseEvent::causedByTouchEventID,
5100 JNI_TRUE);
5101 }
5102 if (pMsg != 0) {
5103 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
5104 }
5105 SendEvent(mouseEvent);
5106
5107 env->DeleteLocalRef(mouseEvent);
5108 env->DeleteLocalRef(target);
5109 }
5110
5111 void
5112 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
5113 jint modifiers, jint clickCount,
5114 jboolean popupTrigger, jint scrollType,
5115 jint scrollAmount, jint roundedWheelRotation,
5116 jdouble preciseWheelRotation, MSG *pMsg)
5117 {
5118 /* Code based not so loosely on AwtComponent::SendMouseEvent */
5119 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5120 CriticalSection::Lock l(GetLock());
5121 if (GetPeer(env) == NULL) {
5122 /* event received during termination. */
5123 return;
5124 }
5125
5126 static jclass mouseWheelEventCls;
5127 if (mouseWheelEventCls == NULL) {
5128 jclass mouseWheelEventClsLocal =
5129 env->FindClass("java/awt/event/MouseWheelEvent");
5130 CHECK_NULL(mouseWheelEventClsLocal);
5131 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
5132 env->DeleteLocalRef(mouseWheelEventClsLocal);
5133 }
5134 RECT insets;
5135 GetInsets(&insets);
5136
5137 static jmethodID mouseWheelEventConst;
5138 if (mouseWheelEventConst == NULL) {
5139 mouseWheelEventConst =
5140 env->GetMethodID(mouseWheelEventCls, "<init>",
5141 "(Ljava/awt/Component;IJIIIIIIZIIID)V");
5142 DASSERT(mouseWheelEventConst);
5143 CHECK_NULL(mouseWheelEventConst);
5144 }
5145 if (env->EnsureLocalCapacity(2) < 0) {
5146 return;
5147 }
5148 jobject target = GetTarget(env);
5149 DWORD curMousePos = ::GetMessagePos();
5150 int xAbs = GET_X_LPARAM(curMousePos);
5151 int yAbs = GET_Y_LPARAM(curMousePos);
5152
5153 DTRACE_PRINTLN("creating MWE in JNI");
5154
5155 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
5156 mouseWheelEventConst,
5157 target,
5158 id, when, modifiers,
5159 ScaleDownX(x + insets.left),
5160 ScaleDownY(y + insets.top),
5161 ScaleDownX(xAbs),
5162 ScaleDownY(yAbs),
5163 clickCount, popupTrigger,
5164 scrollType, scrollAmount,
5165 roundedWheelRotation, preciseWheelRotation);
5166
5167 DASSERT(mouseWheelEvent != NULL);
5168 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
5169 env->ExceptionDescribe();
5170 env->ExceptionClear();
5171 env->DeleteLocalRef(target);
5172 return;
5173 }
5174 if (pMsg != NULL) {
5175 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
5176 }
5177 SendEvent(mouseWheelEvent);
5178
5179 env->DeleteLocalRef(mouseWheelEvent);
5180 env->DeleteLocalRef(target);
5181 }
5182
5183 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
5184 {
5185 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5186
5187 CriticalSection::Lock l(GetLock());
5188 if (GetPeer(env) == NULL) {
5189 /* event received during termination. */
5190 return;
5191 }
5192
5193 static jclass focusEventCls;
5194 if (focusEventCls == NULL) {
5195 jclass focusEventClsLocal
5196 = env->FindClass("java/awt/event/FocusEvent");
5197 DASSERT(focusEventClsLocal);
5198 CHECK_NULL(focusEventClsLocal);
5199 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5200 env->DeleteLocalRef(focusEventClsLocal);
5201 }
5202
5203 static jmethodID focusEventConst;
5204 if (focusEventConst == NULL) {
5205 focusEventConst =
5206 env->GetMethodID(focusEventCls, "<init>",
5207 "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5208 DASSERT(focusEventConst);
5209 CHECK_NULL(focusEventConst);
5210 }
5211
5212 static jclass sequencedEventCls;
5213 if (sequencedEventCls == NULL) {
5214 jclass sequencedEventClsLocal =
5215 env->FindClass("java/awt/SequencedEvent");
5216 DASSERT(sequencedEventClsLocal);
5217 CHECK_NULL(sequencedEventClsLocal);
5218 sequencedEventCls =
5219 (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5220 env->DeleteLocalRef(sequencedEventClsLocal);
5221 }
5222
5223 static jmethodID sequencedEventConst;
5224 if (sequencedEventConst == NULL) {
5225 sequencedEventConst =
5226 env->GetMethodID(sequencedEventCls, "<init>",
5227 "(Ljava/awt/AWTEvent;)V");
5228 DASSERT(sequencedEventConst);
5229 CHECK_NULL(sequencedEventConst);
5230 }
5231
5232 if (env->EnsureLocalCapacity(3) < 0) {
5233 return;
5234 }
5235
5236 jobject target = GetTarget(env);
5237 jobject jOpposite = NULL;
5238 if (opposite != NULL) {
5239 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5240 if (awtOpposite != NULL) {
5241 jOpposite = awtOpposite->GetTarget(env);
5242 }
5243 }
5244 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5245 target, id, JNI_FALSE, jOpposite);
5246 DASSERT(!safe_ExceptionOccurred(env));
5247 DASSERT(focusEvent != NULL);
5248 if (jOpposite != NULL) {
5249 env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5250 }
5251 env->DeleteLocalRef(target); target = NULL;
5252 CHECK_NULL(focusEvent);
5253
5254 jobject sequencedEvent = env->NewObject(sequencedEventCls,
5255 sequencedEventConst,
5256 focusEvent);
5257 DASSERT(!safe_ExceptionOccurred(env));
5258 DASSERT(sequencedEvent != NULL);
5259 env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5260 CHECK_NULL(sequencedEvent);
5261 SendEvent(sequencedEvent);
5262
5263 env->DeleteLocalRef(sequencedEvent);
5264 }
5265
5266 /*
5267 * Forward a filtered event directly to the subclassed window.
5268 * This method is needed so that DefWindowProc is invoked on the
5269 * component's owning thread.
5270 */
5271 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5272 {
5273 DefWindowProc(msg->message, msg->wParam, msg->lParam);
5274 delete msg;
5275 return mrConsume;
5276 }
5277
5278 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5279 on the toolkit thread. This method may pre-filter the messages. */
5280 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5281 {
5282 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5283 // We should cut off keyboard events to disabled components
5284 // to avoid the components responding visually to keystrokes when disabled.
5285 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5286 // but to activate menus, close windows, etc
5287 switch(msg->message) {
5288 case WM_KEYDOWN:
5289 case WM_KEYUP:
5290 case WM_CHAR:
5291 case WM_DEADCHAR:
5292 {
5293 if (!isRecursivelyEnabled()) {
5294 goto quit;
5295 }
5296 break;
5297 }
5298 }
5299 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5300 (WPARAM) synthetic, (LPARAM) msg)) {
5301 return TRUE;
5302 } else {
5303 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5304 }
5305 quit:
5306 delete msg;
5307 return FALSE;
5308 }
5309
5310 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5311 {
5312 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5313 UINT message;
5314 switch (id) {
5315 case java_awt_event_KeyEvent_KEY_PRESSED:
5316 message = WM_KEYDOWN;
5317 break;
5318 case java_awt_event_KeyEvent_KEY_RELEASED:
5319 message = WM_KEYUP;
5320 break;
5321 case java_awt_event_KeyEvent_KEY_TYPED:
5322 message = WM_CHAR;
5323 break;
5324 default:
5325 return;
5326 }
5327
5328 /*
5329 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5330 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5331 */
5332 if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5333 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5334 // (for Edit control)
5335 jchar keyChar = (jchar)
5336 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5337
5338 // Bugid 4724007. If it is a Delete character, don't send the fake
5339 // KEY_TYPED we created back to the native window: Windows doesn't
5340 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5341 // character after deleting.
5342 if (keyChar == '\177') { // the Delete character
5343 return;
5344 }
5345
5346 // Disable forwarding WM_CHAR messages to disabled components
5347 if (isRecursivelyEnabled()) {
5348 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5349 MAKEWPARAM(keyChar, TRUE), 0)) {
5350 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5351 }
5352 }
5353 } else {
5354 jint keyCode =
5355 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5356 UINT key, modifiers;
5357 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5358 MSG* msg = CreateMessage(message, key, 0);
5359 PostHandleEventMessage(msg, TRUE);
5360 }
5361 }
5362
5363 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5364 {
5365 /* DebugBreak(); */
5366 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5367 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5368
5369 WPARAM wParam = 0;
5370 WORD wLow = 0;
5371 jint wheelAmt = 0;
5372 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5373 UINT message;
5374 switch (id) {
5375 case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5376 switch (button) {
5377 case java_awt_event_MouseEvent_BUTTON1:
5378 message = WM_LBUTTONDOWN; break;
5379 case java_awt_event_MouseEvent_BUTTON3:
5380 message = WM_MBUTTONDOWN; break;
5381 case java_awt_event_MouseEvent_BUTTON2:
5382 message = WM_RBUTTONDOWN; break;
5383 default:
5384 return;
5385 }
5386 break;
5387 }
5388 case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5389 switch (button) {
5390 case java_awt_event_MouseEvent_BUTTON1:
5391 message = WM_LBUTTONUP; break;
5392 case java_awt_event_MouseEvent_BUTTON3:
5393 message = WM_MBUTTONUP; break;
5394 case java_awt_event_MouseEvent_BUTTON2:
5395 message = WM_RBUTTONUP; break;
5396 default:
5397 return;
5398 }
5399 break;
5400 }
5401 case java_awt_event_MouseEvent_MOUSE_MOVED:
5402 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5403 case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5404 message = WM_MOUSEMOVE;
5405 break;
5406 case java_awt_event_MouseEvent_MOUSE_WHEEL:
5407 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5408 wLow |= MK_CONTROL;
5409 }
5410 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5411 wLow |= MK_SHIFT;
5412 }
5413 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5414 wLow |= MK_LBUTTON;
5415 }
5416 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5417 wLow |= MK_RBUTTON;
5418 }
5419 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5420 wLow |= MK_MBUTTON;
5421 }
5422 if (modifiers & X1_BUTTON) {
5423 wLow |= GetButtonMK(X1_BUTTON);
5424 }
5425 if (modifiers & X2_BUTTON) {
5426 wLow |= GetButtonMK(X2_BUTTON);
5427 }
5428
5429 wheelAmt = (jint)JNU_CallMethodByName(env,
5430 NULL,
5431 mouseEvent,
5432 "getWheelRotation",
5433 "()I").i;
5434 DASSERT(!safe_ExceptionOccurred(env));
5435 JNU_CHECK_EXCEPTION(env);
5436 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5437
5438 // convert Java wheel amount value to Win32
5439 wheelAmt *= -1 * WHEEL_DELTA;
5440
5441 message = WM_MOUSEWHEEL;
5442 wParam = MAKEWPARAM(wLow, wheelAmt);
5443
5444 break;
5445 default:
5446 return;
5447 }
5448 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5449 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5450 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5451 PostHandleEventMessage(msg, TRUE);
5452 }
5453
5454 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5455
5456 void AwtComponent::Invalidate(RECT* r)
5457 {
5458 ::InvalidateRect(GetHWnd(), r, FALSE);
5459 }
5460
5461 void AwtComponent::BeginValidate()
5462 {
5463 DASSERT(m_validationNestCount >= 0 &&
5464 m_validationNestCount < 1000); // sanity check
5465
5466 if (m_validationNestCount == 0) {
5467 // begin deferred window positioning if we're not inside
5468 // another Begin/EndValidate pair
5469 DASSERT(m_hdwp == NULL);
5470 m_hdwp = ::BeginDeferWindowPos(32);
5471 }
5472
5473 m_validationNestCount++;
5474 }
5475
5476 void AwtComponent::EndValidate()
5477 {
5478 DASSERT(m_validationNestCount > 0 &&
5479 m_validationNestCount < 1000); // sanity check
5480 DASSERT(m_hdwp != NULL);
5481
5482 m_validationNestCount--;
5483 if (m_validationNestCount == 0) {
5484 // if this call to EndValidate is not nested inside another
5485 // Begin/EndValidate pair, end deferred window positioning
5486 ::EndDeferWindowPos(m_hdwp);
5487 m_hdwp = NULL;
5488 }
5489 }
5490
5491 /**
5492 * HWND, AwtComponent and Java Peer interaction
5493 */
5494
5495 /*
5496 *Link the C++, Java peer, and HWNDs together.
5497 */
5498 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5499 {
5500 /*
5501 * Bind all three objects together thru this C++ object, two-way to each:
5502 * JavaPeer <-> C++ <-> HWND
5503 *
5504 * C++ -> JavaPeer
5505 */
5506 if (m_peerObject == NULL) {
5507 // This may have already been set up by CreateHWnd
5508 // And we don't want to create two references so we
5509 // will leave the prior one alone
5510 m_peerObject = env->NewGlobalRef(peer);
5511 }
5512 /* JavaPeer -> HWND */
5513 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5514
5515 /* JavaPeer -> C++ */
5516 JNI_SET_PDATA(peer, this);
5517
5518 /* HWND -> C++ */
5519 SetComponentInHWND();
5520 }
5521
5522 /* Cleanup above linking */
5523 void AwtComponent::UnlinkObjects()
5524 {
5525 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5526 if (m_peerObject) {
5527 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5528 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5529 JNI_SET_DESTROYED(m_peerObject);
5530 env->DeleteGlobalRef(m_peerObject);
5531 m_peerObject = NULL;
5532 }
5533 }
5534
5535 void AwtComponent::Enable(BOOL bEnable)
5536 {
5537 if (bEnable && IsTopLevel()) {
5538 // we should not enable blocked toplevels
5539 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5540 }
5541 // Shouldn't trigger native focus change
5542 // (only the proxy may be the native focus owner).
5543 ::EnableWindow(GetHWnd(), bEnable);
5544
5545 CriticalSection::Lock l(GetLock());
5546 VerifyState();
5547 }
5548
5549 /*
5550 * associate an AwtDropTarget with this AwtComponent
5551 */
5552
5553 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5554 m_dropTarget = new AwtDropTarget(env, this);
5555 m_dropTarget->RegisterTarget(TRUE);
5556 return m_dropTarget;
5557 }
5558
5559 /*
5560 * disassociate an AwtDropTarget with this AwtComponent
5561 */
5562
5563 void AwtComponent::DestroyDropTarget() {
5564 if (m_dropTarget != NULL) {
5565 m_dropTarget->RegisterTarget(FALSE);
5566 m_dropTarget->Release();
5567 m_dropTarget = NULL;
5568 }
5569 }
5570
5571 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5572 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5573 }
5574
5575 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5576 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5577 }
5578
5579 void AwtComponent::_Show(void *param)
5580 {
5581 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5582
5583 jobject self = (jobject)param;
5584
5585 AwtComponent *p;
5586
5587 PDATA pData;
5588 JNI_CHECK_PEER_GOTO(self, ret);
5589 p = (AwtComponent *)pData;
5590 if (::IsWindow(p->GetHWnd()))
5591 {
5592 p->SendMessage(WM_AWT_COMPONENT_SHOW);
5593 }
5594 ret:
5595 env->DeleteGlobalRef(self);
5596 }
5597
5598 void AwtComponent::_Hide(void *param)
5599 {
5600 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5601
5602 jobject self = (jobject)param;
5603
5604 AwtComponent *p;
5605
5606 PDATA pData;
5607 JNI_CHECK_PEER_GOTO(self, ret);
5608 p = (AwtComponent *)pData;
5609 if (::IsWindow(p->GetHWnd()))
5610 {
5611 p->SendMessage(WM_AWT_COMPONENT_HIDE);
5612 }
5613 ret:
5614 env->DeleteGlobalRef(self);
5615 }
5616
5617 void AwtComponent::_Enable(void *param)
5618 {
5619 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5620
5621 jobject self = (jobject)param;
5622
5623 AwtComponent *p;
5624
5625 PDATA pData;
5626 JNI_CHECK_PEER_GOTO(self, ret);
5627 p = (AwtComponent *)pData;
5628 if (::IsWindow(p->GetHWnd()))
5629 {
5630 p->Enable(TRUE);
5631 }
5632 ret:
5633 env->DeleteGlobalRef(self);
5634 }
5635
5636 void AwtComponent::_Disable(void *param)
5637 {
5638 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5639
5640 jobject self = (jobject)param;
5641
5642 AwtComponent *p;
5643
5644 PDATA pData;
5645 JNI_CHECK_PEER_GOTO(self, ret);
5646 p = (AwtComponent *)pData;
5647 if (::IsWindow(p->GetHWnd()))
5648 {
5649 p->Enable(FALSE);
5650 }
5651 ret:
5652 env->DeleteGlobalRef(self);
5653 }
5654
5655 jobject AwtComponent::_GetLocationOnScreen(void *param)
5656 {
5657 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5658
5659 jobject self = (jobject)param;
5660
5661 jobject result = NULL;
5662 AwtComponent *p;
5663
5664 PDATA pData;
5665 JNI_CHECK_PEER_GOTO(self, ret);
5666 p = (AwtComponent *)pData;
5667 if (::IsWindow(p->GetHWnd()))
5668 {
5669 RECT rect;
5670 VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5671 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5672 p->ScaleDownX(rect.left),
5673 p->ScaleDownY(rect.top));
5674 }
5675 ret:
5676 env->DeleteGlobalRef(self);
5677
5678 if (result != NULL)
5679 {
5680 jobject resultGlobalRef = env->NewGlobalRef(result);
5681 env->DeleteLocalRef(result);
5682 return resultGlobalRef;
5683 }
5684 else
5685 {
5686 return NULL;
5687 }
5688 }
5689
5690 void AwtComponent::_Reshape(void *param)
5691 {
5692 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5693
5694 ReshapeStruct *rs = (ReshapeStruct*)param;
5695 jobject self = rs->component;
5696 jint x = rs->x;
5697 jint y = rs->y;
5698 jint w = rs->w;
5699 jint h = rs->h;
5700
5701 AwtComponent *p;
5702
5703 PDATA pData;
5704 JNI_CHECK_PEER_GOTO(self, ret);
5705 p = (AwtComponent *)pData;
5706 if (::IsWindow(p->GetHWnd()))
5707 {
5708 RECT* r = new RECT;
5709 ::SetRect(r, x, y, x + w, y + h);
5710 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5711 }
5712 ret:
5713 env->DeleteGlobalRef(self);
5714
5715 delete rs;
5716 }
5717
5718 void AwtComponent::_ReshapeNoCheck(void *param)
5719 {
5720 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5721
5722 ReshapeStruct *rs = (ReshapeStruct*)param;
5723 jobject self = rs->component;
5724 jint x = rs->x;
5725 jint y = rs->y;
5726 jint w = rs->w;
5727 jint h = rs->h;
5728
5729 AwtComponent *p;
5730
5731 PDATA pData;
5732 JNI_CHECK_PEER_GOTO(self, ret);
5733 p = (AwtComponent *)pData;
5734 if (::IsWindow(p->GetHWnd()))
5735 {
5736 RECT* r = new RECT;
5737 ::SetRect(r, x, y, x + w, y + h);
5738 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5739 }
5740 ret:
5741 env->DeleteGlobalRef(self);
5742
5743 delete rs;
5744 }
5745
5746 void AwtComponent::_NativeHandleEvent(void *param)
5747 {
5748 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5749
5750 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5751 jobject self = nhes->component;
5752 jobject event = nhes->event;
5753
5754 AwtComponent *p;
5755
5756 PDATA pData;
5757 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5758 pData = JNI_GET_PDATA(self);
5759 if (pData == NULL) {
5760 env->DeleteGlobalRef(self);
5761 if (event != NULL) {
5762 env->DeleteGlobalRef(event);
5763 }
5764 delete nhes;
5765 return;
5766 }
5767 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5768
5769 p = (AwtComponent *)pData;
5770 if (::IsWindow(p->GetHWnd()))
5771 {
5772 if (env->EnsureLocalCapacity(1) < 0) {
5773 env->DeleteGlobalRef(self);
5774 env->DeleteGlobalRef(event);
5775 delete nhes;
5776 return;
5777 }
5778 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5779 int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5780 DASSERT(!safe_ExceptionOccurred(env));
5781 if (bdata != 0) {
5782 MSG msg;
5783 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5784 (env)->DeleteLocalRef(bdata);
5785 static BOOL keyDownConsumed = FALSE;
5786 static BOOL bCharChanged = FALSE;
5787 static WCHAR modifiedChar;
5788 WCHAR unicodeChar;
5789
5790 /* Remember if a KEY_PRESSED event is consumed, as an old model
5791 * program won't consume a subsequent KEY_TYPED event.
5792 */
5793 jboolean consumed =
5794 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5795 DASSERT(!safe_ExceptionOccurred(env));
5796
5797 if (consumed) {
5798 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5799 env->DeleteGlobalRef(self);
5800 env->DeleteGlobalRef(event);
5801 delete nhes;
5802 return;
5803
5804 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5805 // Fix for 6637607: reset consuming
5806 keyDownConsumed = FALSE;
5807 }
5808
5809 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5810 * the old model.
5811 */
5812 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5813 keyDownConsumed = FALSE;
5814 env->DeleteGlobalRef(self);
5815 env->DeleteGlobalRef(event);
5816 delete nhes;
5817 return;
5818 }
5819
5820 /* Modify any event parameters, if necessary. */
5821 if (self && pData &&
5822 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5823 id <= java_awt_event_KeyEvent_KEY_LAST) {
5824
5825 AwtComponent* p = (AwtComponent*)pData;
5826
5827 jint keyCode =
5828 (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5829 jchar keyChar =
5830 (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5831 jint modifiers =
5832 (env)->GetIntField(event, AwtInputEvent::modifiersID);
5833
5834 DASSERT(!safe_ExceptionOccurred(env));
5835
5836 /* Check to see whether the keyCode or modifiers were changed
5837 on the keyPressed event, and tweak the following keyTyped
5838 event (if any) accodingly. */
5839 switch (id) {
5840 case java_awt_event_KeyEvent_KEY_PRESSED:
5841 {
5842 UINT winKey = (UINT)msg.wParam;
5843 bCharChanged = FALSE;
5844
5845 if (winKey == VK_PROCESSKEY) {
5846 // Leave it up to IME
5847 break;
5848 }
5849
5850 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5851 UINT newWinKey, ignored;
5852 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5853 if (newWinKey != 0) {
5854 winKey = newWinKey;
5855 }
5856 }
5857
5858 BOOL isDeadKey = FALSE;
5859 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5860 bCharChanged = (keyChar != modifiedChar);
5861 }
5862 break;
5863
5864 case java_awt_event_KeyEvent_KEY_RELEASED:
5865 {
5866 keyDownConsumed = FALSE;
5867 bCharChanged = FALSE;
5868 }
5869 break;
5870
5871 case java_awt_event_KeyEvent_KEY_TYPED:
5872 {
5873 if (bCharChanged)
5874 {
5875 unicodeChar = modifiedChar;
5876 }
5877 else
5878 {
5879 unicodeChar = keyChar;
5880 }
5881 bCharChanged = FALSE;
5882
5883 // Disable forwarding KEY_TYPED messages to peers of
5884 // disabled components
5885 if (p->isRecursivelyEnabled()) {
5886 // send the character back to the native window for
5887 // processing. The WM_AWT_FORWARD_CHAR handler will send
5888 // this character to DefWindowProc
5889 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5890 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5891 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5892 }
5893 }
5894 env->DeleteGlobalRef(self);
5895 env->DeleteGlobalRef(event);
5896 delete nhes;
5897 return;
5898 }
5899 break;
5900
5901 default:
5902 break;
5903 }
5904 }
5905
5906 // ignore all InputMethodEvents
5907 if (self && (pData = JNI_GET_PDATA(self)) &&
5908 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5909 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5910 env->DeleteGlobalRef(self);
5911 env->DeleteGlobalRef(event);
5912 delete nhes;
5913 return;
5914 }
5915
5916 // Create copy for local msg
5917 MSG* pCopiedMsg = new MSG;
5918 memmove(pCopiedMsg, &msg, sizeof(MSG));
5919 // Event handler deletes msg
5920 p->PostHandleEventMessage(pCopiedMsg, FALSE);
5921
5922 env->DeleteGlobalRef(self);
5923 env->DeleteGlobalRef(event);
5924 delete nhes;
5925 return;
5926 }
5927
5928 /* Forward any valid synthesized events. Currently only mouse and
5929 * key events are supported.
5930 */
5931 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5932 env->DeleteGlobalRef(self);
5933 env->DeleteGlobalRef(event);
5934 delete nhes;
5935 return;
5936 }
5937
5938 AwtComponent* p = (AwtComponent*)pData;
5939 if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5940 id <= java_awt_event_KeyEvent_KEY_LAST) {
5941 p->SynthesizeKeyMessage(env, event);
5942 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5943 id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5944 p->SynthesizeMouseMessage(env, event);
5945 }
5946 }
5947
5948 ret:
5949 if (self != NULL) {
5950 env->DeleteGlobalRef(self);
5951 }
5952 if (event != NULL) {
5953 env->DeleteGlobalRef(event);
5954 }
5955
5956 delete nhes;
5957 }
5958
5959 void AwtComponent::_SetForeground(void *param)
5960 {
5961 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5962
5963 SetColorStruct *scs = (SetColorStruct *)param;
5964 jobject self = scs->component;
5965 jint rgb = scs->rgb;
5966
5967 AwtComponent *c = NULL;
5968
5969 PDATA pData;
5970 JNI_CHECK_PEER_GOTO(self, ret);
5971 c = (AwtComponent *)pData;
5972 if (::IsWindow(c->GetHWnd()))
5973 {
5974 c->SetColor(PALETTERGB((rgb>>16)&0xff,
5975 (rgb>>8)&0xff,
5976 (rgb)&0xff));
5977 c->VerifyState();
5978 }
5979 ret:
5980 env->DeleteGlobalRef(self);
5981
5982 delete scs;
5983 }
5984
5985 void AwtComponent::_SetBackground(void *param)
5986 {
5987 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5988
5989 SetColorStruct *scs = (SetColorStruct *)param;
5990 jobject self = scs->component;
5991 jint rgb = scs->rgb;
5992
5993 AwtComponent *c = NULL;
5994
5995 PDATA pData;
5996 JNI_CHECK_PEER_GOTO(self, ret);
5997 c = (AwtComponent *)pData;
5998 if (::IsWindow(c->GetHWnd()))
5999 {
6000 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
6001 (rgb>>8)&0xff,
6002 (rgb)&0xff));
6003 c->VerifyState();
6004 }
6005 ret:
6006 env->DeleteGlobalRef(self);
6007
6008 delete scs;
6009 }
6010
6011 void AwtComponent::_SetFont(void *param)
6012 {
6013 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6014
6015 SetFontStruct *sfs = (SetFontStruct *)param;
6016 jobject self = sfs->component;
6017 jobject font = sfs->font;
6018
6019 AwtComponent *c = NULL;
6020
6021 PDATA pData;
6022 JNI_CHECK_PEER_GOTO(self, ret);
6023 JNI_CHECK_NULL_GOTO(font, "null font", ret);
6024 c = (AwtComponent *)pData;
6025 if (::IsWindow(c->GetHWnd()))
6026 {
6027 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
6028 if (awtFont == NULL) {
6029 /*arguments of AwtFont::Create are changed for multifont component */
6030 awtFont = AwtFont::Create(env, font);
6031 }
6032 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
6033
6034 c->SetFont(awtFont);
6035 }
6036 ret:
6037 env->DeleteGlobalRef(self);
6038 env->DeleteGlobalRef(font);
6039
6040 delete sfs;
6041 }
6042
6043 // Sets or kills focus for a component.
6044 void AwtComponent::_SetFocus(void *param)
6045 {
6046 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6047
6048 SetFocusStruct *sfs = (SetFocusStruct *)param;
6049 jobject self = sfs->component;
6050 jboolean doSetFocus = sfs->doSetFocus;
6051
6052 AwtComponent *c = NULL;
6053
6054 PDATA pData;
6055 JNI_CHECK_NULL_GOTO(self, "peer", ret);
6056 pData = JNI_GET_PDATA(self);
6057 if (pData == NULL) {
6058 // do nothing just return false
6059 goto ret;
6060 }
6061
6062 c = (AwtComponent *)pData;
6063 if (::IsWindow(c->GetHWnd())) {
6064 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
6065 }
6066 ret:
6067 env->DeleteGlobalRef(self);
6068
6069 delete sfs;
6070 }
6071
6072 void AwtComponent::_Start(void *param)
6073 {
6074 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6075
6076 jobject self = (jobject)param;
6077
6078 AwtComponent *c = NULL;
6079
6080 PDATA pData;
6081 JNI_CHECK_PEER_GOTO(self, ret);
6082 c = (AwtComponent *)pData;
6083 if (::IsWindow(c->GetHWnd()))
6084 {
6085 jobject target = c->GetTarget(env);
6086
6087 /* Disable window if specified -- windows are enabled by default. */
6088 jboolean enabled = (jboolean)env->GetBooleanField(target,
6089 AwtComponent::enabledID);
6090 if (!enabled) {
6091 ::EnableWindow(c->GetHWnd(), FALSE);
6092 }
6093
6094 /* The peer is now ready for callbacks, since this is the last
6095 * initialization call
6096 */
6097 c->EnableCallbacks(TRUE);
6098
6099 // Fix 4745222: we need to invalidate region since we validated it before initialization.
6100 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
6101
6102 // Fix 4530093: WM_PAINT after EnableCallbacks
6103 ::UpdateWindow(c->GetHWnd());
6104
6105 env->DeleteLocalRef(target);
6106 }
6107 ret:
6108 env->DeleteGlobalRef(self);
6109 }
6110
6111 void AwtComponent::_BeginValidate(void *param)
6112 {
6113 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6114 if (AwtToolkit::IsMainThread()) {
6115 jobject self = (jobject)param;
6116 if (self != NULL) {
6117 PDATA pData = JNI_GET_PDATA(self);
6118 if (pData) {
6119 AwtComponent *c = (AwtComponent *)pData;
6120 if (::IsWindow(c->GetHWnd())) {
6121 c->SendMessage(WM_AWT_BEGIN_VALIDATE);
6122 }
6123 }
6124 env->DeleteGlobalRef(self);
6125 }
6126 } else {
6127 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
6128 }
6129 }
6130
6131 void AwtComponent::_EndValidate(void *param)
6132 {
6133 if (AwtToolkit::IsMainThread()) {
6134 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6135 jobject self = (jobject)param;
6136 if (self != NULL) {
6137 PDATA pData = JNI_GET_PDATA(self);
6138 if (pData) {
6139 AwtComponent *c = (AwtComponent *)pData;
6140 if (::IsWindow(c->GetHWnd())) {
6141 c->SendMessage(WM_AWT_END_VALIDATE);
6142 }
6143 }
6144 env->DeleteGlobalRef(self);
6145 }
6146 } else {
6147 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
6148 }
6149 }
6150
6151 void AwtComponent::_UpdateWindow(void *param)
6152 {
6153 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6154 if (AwtToolkit::IsMainThread()) {
6155 jobject self = (jobject)param;
6156 AwtComponent *c = NULL;
6157 PDATA pData;
6158 JNI_CHECK_PEER_GOTO(self, ret);
6159 c = (AwtComponent *)pData;
6160 if (::IsWindow(c->GetHWnd())) {
6161 ::UpdateWindow(c->GetHWnd());
6162 }
6163 ret:
6164 env->DeleteGlobalRef(self);
6165 } else {
6166 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
6167 }
6168 }
6169
6170 jlong AwtComponent::_AddNativeDropTarget(void *param)
6171 {
6172 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6173
6174 jobject self = (jobject)param;
6175
6176 jlong result = 0;
6177 AwtComponent *c = NULL;
6178
6179 PDATA pData;
6180 JNI_CHECK_PEER_GOTO(self, ret);
6181 c = (AwtComponent *)pData;
6182 if (::IsWindow(c->GetHWnd()))
6183 {
6184 result = (jlong)(c->CreateDropTarget(env));
6185 }
6186 ret:
6187 env->DeleteGlobalRef(self);
6188
6189 return result;
6190 }
6191
6192 void AwtComponent::_RemoveNativeDropTarget(void *param)
6193 {
6194 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6195
6196 jobject self = (jobject)param;
6197
6198 AwtComponent *c = NULL;
6199
6200 PDATA pData;
6201 JNI_CHECK_PEER_GOTO(self, ret);
6202 c = (AwtComponent *)pData;
6203 if (::IsWindow(c->GetHWnd()))
6204 {
6205 c->DestroyDropTarget();
6206 }
6207 ret:
6208 env->DeleteGlobalRef(self);
6209 }
6210
6211 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6212 {
6213 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6214
6215 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6216 jobject self = cpps->component;
6217
6218 jintArray result = NULL;
6219 AwtComponent *c = NULL;
6220
6221 PDATA pData;
6222 JNI_CHECK_PEER_GOTO(self, ret);
6223 c = (AwtComponent *)pData;
6224 if (::IsWindow(c->GetHWnd()))
6225 {
6226 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6227 }
6228 ret:
6229 env->DeleteGlobalRef(self);
6230
6231 delete cpps;
6232 return result; // this reference is global
6233 }
6234
6235 jboolean AwtComponent::_IsObscured(void *param)
6236 {
6237 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6238
6239 jobject self = (jobject)param;
6240
6241 jboolean result = JNI_FALSE;
6242 AwtComponent *c = NULL;
6243
6244 PDATA pData;
6245 JNI_CHECK_PEER_GOTO(self, ret);
6246
6247 c = (AwtComponent *)pData;
6248
6249 if (::IsWindow(c->GetHWnd()))
6250 {
6251 HWND hWnd = c->GetHWnd();
6252 HDC hDC = ::GetDC(hWnd);
6253 RECT clipbox;
6254 int callresult = ::GetClipBox(hDC, &clipbox);
6255 switch(callresult) {
6256 case NULLREGION :
6257 result = JNI_FALSE;
6258 break;
6259 case SIMPLEREGION : {
6260 RECT windowRect;
6261 if (!::GetClientRect(hWnd, &windowRect)) {
6262 result = JNI_TRUE;
6263 } else {
6264 result = (jboolean)((clipbox.bottom != windowRect.bottom)
6265 || (clipbox.left != windowRect.left)
6266 || (clipbox.right != windowRect.right)
6267 || (clipbox.top != windowRect.top));
6268 }
6269 break;
6270 }
6271 case COMPLEXREGION :
6272 default :
6273 result = JNI_TRUE;
6274 break;
6275 }
6276 ::ReleaseDC(hWnd, hDC);
6277 }
6278 ret:
6279 env->DeleteGlobalRef(self);
6280
6281 return result;
6282 }
6283
6284 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6285 {
6286 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6287
6288 jobject self = (jobject)param;
6289
6290 jboolean result = JNI_FALSE;
6291 AwtComponent *c = NULL;
6292
6293 PDATA pData;
6294 JNI_CHECK_PEER_GOTO(self, ret);
6295 c = (AwtComponent *)pData;
6296 if (::IsWindow(c->GetHWnd()))
6297 {
6298 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6299 }
6300 ret:
6301 env->DeleteGlobalRef(self);
6302
6303 return result;
6304 }
6305
6306 void AwtComponent::_SetParent(void * param)
6307 {
6308 if (AwtToolkit::IsMainThread()) {
6309 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6310 SetParentStruct *data = (SetParentStruct*) param;
6311 jobject self = data->component;
6312 jobject parent = data->parentComp;
6313
6314 AwtComponent *awtComponent = NULL;
6315 AwtComponent *awtParent = NULL;
6316
6317 PDATA pData;
6318 JNI_CHECK_PEER_GOTO(self, ret);
6319 awtComponent = (AwtComponent *)pData;
6320 JNI_CHECK_PEER_GOTO(parent, ret);
6321 awtParent = (AwtComponent *)pData;
6322
6323 HWND selfWnd = awtComponent->GetHWnd();
6324 HWND parentWnd = awtParent->GetHWnd();
6325 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6326 // Shouldn't trigger native focus change
6327 // (only the proxy may be the native focus owner).
6328 ::SetParent(selfWnd, parentWnd);
6329 }
6330 ret:
6331 env->DeleteGlobalRef(self);
6332 env->DeleteGlobalRef(parent);
6333 delete data;
6334 } else {
6335 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetParent, param);
6336 }
6337 }
6338
6339 void AwtComponent::_SetRectangularShape(void *param)
6340 {
6341 if (!AwtToolkit::IsMainThread()) {
6342 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6343 } else {
6344 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6345
6346 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6347 jobject self = data->component;
6348 jint x1 = data->x1;
6349 jint x2 = data->x2;
6350 jint y1 = data->y1;
6351 jint y2 = data->y2;
6352 jobject region = data->region;
6353
6354 AwtComponent *c = NULL;
6355
6356 PDATA pData;
6357 JNI_CHECK_PEER_GOTO(self, ret);
6358
6359 c = (AwtComponent *)pData;
6360 if (::IsWindow(c->GetHWnd())) {
6361 HRGN hRgn = NULL;
6362
6363 // If all the params are zeros, the shape must be simply reset.
6364 // Otherwise, convert it into a region.
6365 if (region || x1 || x2 || y1 || y2) {
6366 RECT_T rects[256];
6367 RECT_T *pRect = rects;
6368
6369 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6370 region, &pRect, sizeof(rects)/sizeof(rects[0]));
6371 if (!pRect) {
6372 // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6373 // so throw the exception explicitly
6374 throw std::bad_alloc();
6375 }
6376
6377 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6378 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6379 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6380 if (pRect != rects) {
6381 free(pRect);
6382 }
6383 pRect = NULL;
6384
6385 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6386 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6387 pRgnHdr->iType = RDH_RECTANGLES;
6388 pRgnHdr->nRgnSize = 0;
6389 pRgnHdr->rcBound.top = 0;
6390 pRgnHdr->rcBound.left = 0;
6391 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6392 pRgnHdr->rcBound.right = LONG(x2 - x1);
6393 pRgnHdr->nCount = numrects;
6394
6395 hRgn = ::ExtCreateRegion(NULL,
6396 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6397
6398 free(pRgnData);
6399 }
6400
6401 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6402 }
6403
6404 ret:
6405 env->DeleteGlobalRef(self);
6406 if (region) {
6407 env->DeleteGlobalRef(region);
6408 }
6409
6410 delete data;
6411 }
6412 }
6413
6414 void AwtComponent::_SetZOrder(void *param) {
6415 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6416
6417 SetZOrderStruct *data = (SetZOrderStruct *)param;
6418 jobject self = data->component;
6419 HWND above = HWND_TOP;
6420 if (data->above != 0) {
6421 above = reinterpret_cast<HWND>(data->above);
6422 }
6423
6424 AwtComponent *c = NULL;
6425
6426 PDATA pData;
6427 JNI_CHECK_PEER_GOTO(self, ret);
6428
6429 c = (AwtComponent *)pData;
6430 if (::IsWindow(c->GetHWnd())) {
6431 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6432 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6433 }
6434
6435 ret:
6436 env->DeleteGlobalRef(self);
6437
6438 delete data;
6439 }
6440
6441 void AwtComponent::PostUngrabEvent() {
6442 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6443 jobject target = GetTarget(env);
6444 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6445 target);
6446 if (safe_ExceptionOccurred(env)) {
6447 env->ExceptionDescribe();
6448 env->ExceptionClear();
6449 }
6450 env->DeleteLocalRef(target);
6451 if (event != NULL) {
6452 SendEvent(event);
6453 env->DeleteLocalRef(event);
6454 }
6455 }
6456
6457 void AwtComponent::SetFocusedWindow(HWND window)
6458 {
6459 HWND old = sm_focusedWindow;
6460 sm_focusedWindow = window;
6461
6462 AwtWindow::FocusedWindowChanged(old, window);
6463 }
6464
6465 /************************************************************************
6466 * Component native methods
6467 */
6468
6469 extern "C" {
6470
6471 /**
6472 * This method is called from the WGL pipeline when it needs to retrieve
6473 * the HWND associated with a ComponentPeer's C++ level object.
6474 */
6475 HWND
6476 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6477 {
6478 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6479 if (p == NULL) {
6480 return (HWND)0;
6481 }
6482 return p->GetHWnd();
6483 }
6484
6485 static void _GetInsets(void* param)
6486 {
6487 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6488
6489 GetInsetsStruct *gis = (GetInsetsStruct *)param;
6490 jobject self = gis->window;
6491
6492 gis->insets->left = gis->insets->top =
6493 gis->insets->right = gis->insets->bottom = 0;
6494
6495 PDATA pData;
6496 JNI_CHECK_PEER_GOTO(self, ret);
6497 AwtComponent *component = (AwtComponent *)pData;
6498
6499 component->GetInsets(gis->insets);
6500
6501 ret:
6502 env->DeleteGlobalRef(self);
6503 delete gis;
6504 }
6505
6506 /**
6507 * This method is called from the WGL pipeline when it needs to retrieve
6508 * the insets associated with a ComponentPeer's C++ level object.
6509 */
6510 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6511 {
6512 TRY;
6513
6514 GetInsetsStruct *gis = new GetInsetsStruct;
6515 gis->window = env->NewGlobalRef(peer);
6516 gis->insets = insets;
6517
6518 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6519 // global refs and mds are deleted in _UpdateWindow
6520
6521 CATCH_BAD_ALLOC;
6522
6523 }
6524
6525 JNIEXPORT void JNICALL
6526 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6527 {
6528 TRY;
6529 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6530 CHECK_NULL(inputEventClazz);
6531 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6532 CHECK_NULL(getButtonDownMasksID);
6533 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6534 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6535 CHECK_NULL(tmp);
6536 jsize len = env->GetArrayLength(obj);
6537 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6538 for (int i = 0; i < len; i++) {
6539 AwtComponent::masks[i] = tmp[i];
6540 }
6541 env->ReleaseIntArrayElements(obj, tmp, 0);
6542 env->DeleteLocalRef(obj);
6543
6544 /* class ids */
6545 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6546
6547 DASSERT(peerCls);
6548 CHECK_NULL(peerCls);
6549
6550 /* field ids */
6551 AwtComponent::peerID =
6552 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6553 DASSERT(AwtComponent::peerID);
6554 CHECK_NULL(AwtComponent::peerID);
6555
6556 AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6557 DASSERT(AwtComponent::xID);
6558 CHECK_NULL(AwtComponent::xID);
6559
6560 AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6561 DASSERT(AwtComponent::yID);
6562 CHECK_NULL(AwtComponent::yID);
6563
6564 AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6565 DASSERT(AwtComponent::heightID);
6566 CHECK_NULL(AwtComponent::heightID);
6567
6568 AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6569 DASSERT(AwtComponent::widthID);
6570 CHECK_NULL(AwtComponent::widthID);
6571
6572 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6573 DASSERT(AwtComponent::visibleID);
6574 CHECK_NULL(AwtComponent::visibleID);
6575
6576 AwtComponent::backgroundID =
6577 env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6578 DASSERT(AwtComponent::backgroundID);
6579 CHECK_NULL(AwtComponent::backgroundID);
6580
6581 AwtComponent::foregroundID =
6582 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6583 DASSERT(AwtComponent::foregroundID);
6584 CHECK_NULL(AwtComponent::foregroundID);
6585
6586 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6587 DASSERT(AwtComponent::enabledID);
6588 CHECK_NULL(AwtComponent::enabledID);
6589
6590 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6591 DASSERT(AwtComponent::parentID);
6592 CHECK_NULL(AwtComponent::parentID);
6593
6594 AwtComponent::graphicsConfigID =
6595 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6596 DASSERT(AwtComponent::graphicsConfigID);
6597 CHECK_NULL(AwtComponent::graphicsConfigID);
6598
6599 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6600 DASSERT(AwtComponent::focusableID);
6601 CHECK_NULL(AwtComponent::focusableID);
6602
6603 AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6604 "Lsun/awt/AppContext;");
6605 DASSERT(AwtComponent::appContextID);
6606 CHECK_NULL(AwtComponent::appContextID);
6607
6608 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6609 "Lsun/awt/Win32GraphicsConfig;");
6610 DASSERT(AwtComponent::peerGCID);
6611 CHECK_NULL(AwtComponent::peerGCID);
6612
6613 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6614 DASSERT(AwtComponent::hwndID);
6615 CHECK_NULL(AwtComponent::hwndID);
6616
6617 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6618 DASSERT(AwtComponent::cursorID);
6619 CHECK_NULL(AwtComponent::cursorID);
6620
6621 /* method ids */
6622 AwtComponent::getFontMID =
6623 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6624 DASSERT(AwtComponent::getFontMID);
6625 CHECK_NULL(AwtComponent::getFontMID);
6626
6627 AwtComponent::getToolkitMID =
6628 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6629 DASSERT(AwtComponent::getToolkitMID);
6630 CHECK_NULL(AwtComponent::getToolkitMID);
6631
6632 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6633 DASSERT(AwtComponent::isEnabledMID);
6634 CHECK_NULL(AwtComponent::isEnabledMID);
6635
6636 AwtComponent::getLocationOnScreenMID =
6637 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6638 DASSERT(AwtComponent::getLocationOnScreenMID);
6639 CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6640
6641 AwtComponent::replaceSurfaceDataMID =
6642 env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6643 DASSERT(AwtComponent::replaceSurfaceDataMID);
6644 CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6645
6646 AwtComponent::replaceSurfaceDataLaterMID =
6647 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6648 DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6649 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6650
6651 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6652 DASSERT(AwtComponent::disposeLaterMID);
6653 CHECK_NULL(AwtComponent::disposeLaterMID);
6654
6655 CATCH_BAD_ALLOC;
6656 }
6657
6658 } /* extern "C" */
6659
6660
6661 /************************************************************************
6662 * ComponentPeer native methods
6663 */
6664
6665 extern "C" {
6666
6667 /*
6668 * Class: sun_awt_windows_WComponentPeer
6669 * Method: pShow
6670 * Signature: ()V
6671 */
6672 JNIEXPORT void JNICALL
6673 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6674 {
6675 TRY;
6676
6677 jobject selfGlobalRef = env->NewGlobalRef(self);
6678
6679 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6680 // selfGlobalRef is deleted in _Show
6681
6682 CATCH_BAD_ALLOC;
6683 }
6684
6685 /*
6686 * Class: sun_awt_windows_WComponentPeer
6687 * Method: hide
6688 * Signature: ()V
6689 */
6690 JNIEXPORT void JNICALL
6691 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6692 {
6693 TRY;
6694
6695 jobject selfGlobalRef = env->NewGlobalRef(self);
6696
6697 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6698 // selfGlobalRef is deleted in _Hide
6699
6700 CATCH_BAD_ALLOC;
6701 }
6702
6703 /*
6704 * Class: sun_awt_windows_WComponentPeer
6705 * Method: enable
6706 * Signature: ()V
6707 */
6708 JNIEXPORT void JNICALL
6709 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6710 {
6711 TRY;
6712
6713 jobject selfGlobalRef = env->NewGlobalRef(self);
6714
6715 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6716 // selfGlobalRef is deleted in _Enable
6717
6718 CATCH_BAD_ALLOC;
6719 }
6720
6721 /*
6722 * Class: sun_awt_windows_WComponentPeer
6723 * Method: disable
6724 * Signature: ()V
6725 */
6726 JNIEXPORT void JNICALL
6727 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6728 {
6729 TRY;
6730
6731 jobject selfGlobalRef = env->NewGlobalRef(self);
6732
6733 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6734 // selfGlobalRef is deleted in _Disable
6735
6736 CATCH_BAD_ALLOC;
6737 }
6738
6739 /*
6740 * Class: sun_awt_windows_WComponentPeer
6741 * Method: getLocationOnScreen
6742 * Signature: ()Ljava/awt/Point;
6743 */
6744 JNIEXPORT jobject JNICALL
6745 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6746 {
6747 TRY;
6748
6749 jobject selfGlobalRef = env->NewGlobalRef(self);
6750
6751 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6752 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6753 // selfGlobalRef is deleted in _GetLocationOnScreen
6754 if (resultGlobalRef != NULL)
6755 {
6756 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6757 env->DeleteGlobalRef(resultGlobalRef);
6758 return resultLocalRef;
6759 }
6760
6761 return NULL;
6762
6763 CATCH_BAD_ALLOC_RET(NULL);
6764 }
6765
6766 /*
6767 * Class: sun_awt_windows_WComponentPeer
6768 * Method: reshape
6769 * Signature: (IIII)V
6770 */
6771 JNIEXPORT void JNICALL
6772 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6773 jint x, jint y, jint w, jint h)
6774 {
6775 TRY;
6776
6777 ReshapeStruct *rs = new ReshapeStruct;
6778 rs->component = env->NewGlobalRef(self);
6779 rs->x = x;
6780 rs->y = y;
6781 rs->w = w;
6782 rs->h = h;
6783
6784 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6785 // global ref and rs are deleted in _Reshape
6786
6787 CATCH_BAD_ALLOC;
6788 }
6789
6790 /*
6791 * Class: sun_awt_windows_WComponentPeer
6792 * Method: reshape
6793 * Signature: (IIII)V
6794 */
6795 JNIEXPORT void JNICALL
6796 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6797 jint x, jint y, jint w, jint h)
6798 {
6799 TRY;
6800
6801 ReshapeStruct *rs = new ReshapeStruct;
6802 rs->component = env->NewGlobalRef(self);
6803 rs->x = x;
6804 rs->y = y;
6805 rs->w = w;
6806 rs->h = h;
6807
6808 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6809 // global ref and rs are deleted in _ReshapeNoCheck
6810
6811 CATCH_BAD_ALLOC;
6812 }
6813
6814
6815 /*
6816 * Class: sun_awt_windows_WComponentPeer
6817 * Method: nativeHandleEvent
6818 * Signature: (Ljava/awt/AWTEvent;)V
6819 */
6820 JNIEXPORT void JNICALL
6821 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6822 jobject self,
6823 jobject event)
6824 {
6825 TRY;
6826
6827 jobject selfGlobalRef = env->NewGlobalRef(self);
6828 jobject eventGlobalRef = env->NewGlobalRef(event);
6829
6830 NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6831 nhes->component = selfGlobalRef;
6832 nhes->event = eventGlobalRef;
6833
6834 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6835 // global refs and nhes are deleted in _NativeHandleEvent
6836
6837 CATCH_BAD_ALLOC;
6838 }
6839
6840 /*
6841 * Class: sun_awt_windows_WComponentPeer
6842 * Method: _dispose
6843 * Signature: ()V
6844 */
6845 JNIEXPORT void JNICALL
6846 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6847 {
6848 TRY_NO_HANG;
6849
6850 AwtObject::_Dispose(self);
6851
6852 CATCH_BAD_ALLOC;
6853 }
6854
6855 /*
6856 * Class: sun_awt_windows_WComponentPeer
6857 * Method: _setForeground
6858 * Signature: (I)V
6859 */
6860 JNIEXPORT void JNICALL
6861 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6862 jint rgb)
6863 {
6864 TRY;
6865
6866 jobject selfGlobalRef = env->NewGlobalRef(self);
6867
6868 SetColorStruct *scs = new SetColorStruct;
6869 scs->component = selfGlobalRef;
6870 scs->rgb = rgb;
6871
6872 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6873 // selfGlobalRef and scs are deleted in _SetForeground()
6874
6875 CATCH_BAD_ALLOC;
6876 }
6877
6878 /*
6879 * Class: sun_awt_windows_WComponentPeer
6880 * Method: _setBackground
6881 * Signature: (I)V
6882 */
6883 JNIEXPORT void JNICALL
6884 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6885 jint rgb)
6886 {
6887 TRY;
6888
6889 jobject selfGlobalRef = env->NewGlobalRef(self);
6890
6891 SetColorStruct *scs = new SetColorStruct;
6892 scs->component = selfGlobalRef;
6893 scs->rgb = rgb;
6894
6895 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6896 // selfGlobalRef and scs are deleted in _SetBackground()
6897
6898 CATCH_BAD_ALLOC;
6899 }
6900
6901 /*
6902 * Class: sun_awt_windows_WComponentPeer
6903 * Method: _setFont
6904 * Signature: (Ljava/awt/Font;)V
6905 */
6906 JNIEXPORT void JNICALL
6907 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6908 jobject font)
6909 {
6910 TRY;
6911
6912 jobject selfGlobalRef = env->NewGlobalRef(self);
6913 jobject fontGlobalRef = env->NewGlobalRef(font);
6914
6915 SetFontStruct *sfs = new SetFontStruct;
6916 sfs->component = selfGlobalRef;
6917 sfs->font = fontGlobalRef;
6918
6919 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6920 // global refs and sfs are deleted in _SetFont()
6921
6922 CATCH_BAD_ALLOC;
6923 }
6924
6925 /*
6926 * Class: sun_awt_windows_WComponentPeer
6927 * Method: focusGained
6928 * Signature: (Z)
6929 */
6930 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6931 (JNIEnv *env, jobject self, jboolean doSetFocus)
6932 {
6933 TRY;
6934
6935 jobject selfGlobalRef = env->NewGlobalRef(self);
6936
6937 SetFocusStruct *sfs = new SetFocusStruct;
6938 sfs->component = selfGlobalRef;
6939 sfs->doSetFocus = doSetFocus;
6940
6941 AwtToolkit::GetInstance().SyncCall(
6942 (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6943 // global refs and self are deleted in _SetFocus
6944
6945 CATCH_BAD_ALLOC;
6946 }
6947
6948 /*
6949 * Class: sun_awt_windows_WComponentPeer
6950 * Method: start
6951 * Signature: ()V
6952 */
6953 JNIEXPORT void JNICALL
6954 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6955 {
6956 TRY;
6957
6958 jobject selfGlobalRef = env->NewGlobalRef(self);
6959
6960 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6961 // selfGlobalRef is deleted in _Start
6962
6963 CATCH_BAD_ALLOC;
6964 }
6965
6966 /*
6967 * Class: sun_awt_windows_WComponentPeer
6968 * Method: beginValidate
6969 * Signature: ()V
6970 */
6971 JNIEXPORT void JNICALL
6972 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6973 {
6974 TRY;
6975
6976 jobject selfGlobalRef = env->NewGlobalRef(self);
6977
6978 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6979 // selfGlobalRef is deleted in _BeginValidate
6980
6981 CATCH_BAD_ALLOC;
6982 }
6983
6984 /*
6985 * Class: sun_awt_windows_WComponentPeer
6986 * Method: endValidate
6987 * Signature: ()V
6988 */
6989 JNIEXPORT void JNICALL
6990 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6991 {
6992 TRY;
6993
6994 jobject selfGlobalRef = env->NewGlobalRef(self);
6995
6996 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
6997 // selfGlobalRef is deleted in _EndValidate
6998
6999 CATCH_BAD_ALLOC;
7000 }
7001
7002 JNIEXPORT void JNICALL
7003 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
7004 {
7005 TRY;
7006
7007 jobject selfGlobalRef = env->NewGlobalRef(self);
7008
7009 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
7010 // selfGlobalRef is deleted in _UpdateWindow
7011
7012 CATCH_BAD_ALLOC;
7013 }
7014
7015 /*
7016 * Class: sun_awt_windows_WComponentPeer
7017 * Method: addNativeDropTarget
7018 * Signature: ()L
7019 */
7020
7021 JNIEXPORT jlong JNICALL
7022 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
7023 jobject self)
7024 {
7025 TRY;
7026
7027 jobject selfGlobalRef = env->NewGlobalRef(self);
7028
7029 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
7030 (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
7031 (void *)selfGlobalRef));
7032 // selfGlobalRef is deleted in _AddNativeDropTarget
7033
7034 CATCH_BAD_ALLOC_RET(0);
7035 }
7036
7037 /*
7038 * Class: sun_awt_windows_WComponentPeer
7039 * Method: removeNativeDropTarget
7040 * Signature: ()V
7041 */
7042
7043 JNIEXPORT void JNICALL
7044 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
7045 jobject self)
7046 {
7047 TRY;
7048
7049 jobject selfGlobalRef = env->NewGlobalRef(self);
7050
7051 AwtToolkit::GetInstance().SyncCall(
7052 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
7053 // selfGlobalRef is deleted in _RemoveNativeDropTarget
7054
7055 CATCH_BAD_ALLOC;
7056 }
7057
7058 /*
7059 * Class: sun_awt_windows_WComponentPeer
7060 * Method: getTargetGC
7061 * Signature: ()Ljava/awt/GraphicsConfiguration;
7062 */
7063 JNIEXPORT jobject JNICALL
7064 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
7065 {
7066 TRY;
7067
7068 jobject targetObj;
7069 jobject gc = 0;
7070
7071 targetObj = env->GetObjectField(theThis, AwtObject::targetID);
7072 DASSERT(targetObj);
7073
7074 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
7075 return gc;
7076
7077 CATCH_BAD_ALLOC_RET(NULL);
7078 }
7079
7080 /*
7081 * Class: sun_awt_windows_WComponentPeer
7082 * Method: createPrintedPixels
7083 * Signature: (IIIIII)I[
7084 */
7085 JNIEXPORT jintArray JNICALL
7086 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
7087 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
7088 {
7089 TRY;
7090
7091 jobject selfGlobalRef = env->NewGlobalRef(self);
7092
7093 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
7094 cpps->component = selfGlobalRef;
7095 cpps->srcx = srcX;
7096 cpps->srcy = srcY;
7097 cpps->srcw = srcW;
7098 cpps->srch = srcH;
7099 cpps->alpha = alpha;
7100
7101 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
7102 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
7103 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
7104 if (globalRef != NULL)
7105 {
7106 jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
7107 env->DeleteGlobalRef(globalRef);
7108 return localRef;
7109 }
7110 else
7111 {
7112 return NULL;
7113 }
7114
7115 CATCH_BAD_ALLOC_RET(NULL);
7116 }
7117
7118 /*
7119 * Class: sun_awt_windows_WComponentPeer
7120 * Method: nativeHandlesWheelScrolling
7121 * Signature: ()Z
7122 */
7123 JNIEXPORT jboolean JNICALL
7124 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
7125 jobject self)
7126 {
7127 TRY;
7128
7129 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7130 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
7131 env->NewGlobalRef(self));
7132 // global ref is deleted in _NativeHandlesWheelScrolling
7133
7134 CATCH_BAD_ALLOC_RET(NULL);
7135 }
7136
7137 /*
7138 * Class: sun_awt_windows_WComponentPeer
7139 * Method: isObscured
7140 * Signature: ()Z
7141 */
7142 JNIEXPORT jboolean JNICALL
7143 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
7144 jobject self)
7145 {
7146 TRY;
7147
7148 jobject selfGlobalRef = env->NewGlobalRef(self);
7149
7150 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7151 (void*(*)(void*))AwtComponent::_IsObscured,
7152 (void *)selfGlobalRef);
7153 // selfGlobalRef is deleted in _IsObscured
7154
7155 CATCH_BAD_ALLOC_RET(NULL);
7156 }
7157
7158 JNIEXPORT void JNICALL
7159 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
7160 TRY;
7161
7162 SetParentStruct * data = new SetParentStruct;
7163 data->component = env->NewGlobalRef(self);
7164 data->parentComp = env->NewGlobalRef(parent);
7165
7166 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetParent, data);
7167 // global refs and data are deleted in SetParent
7168
7169 CATCH_BAD_ALLOC;
7170 }
7171
7172 JNIEXPORT void JNICALL
7173 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
7174 jint x1, jint y1, jint x2, jint y2, jobject region)
7175 {
7176 TRY;
7177
7178 SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
7179 data->component = env->NewGlobalRef(self);
7180 data->x1 = x1;
7181 data->x2 = x2;
7182 data->y1 = y1;
7183 data->y2 = y2;
7184 if (region) {
7185 data->region = env->NewGlobalRef(region);
7186 } else {
7187 data->region = NULL;
7188 }
7189
7190 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
7191 // global refs and data are deleted in _SetRectangularShape
7192
7193 CATCH_BAD_ALLOC;
7194 }
7195
7196 JNIEXPORT void JNICALL
7197 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
7198 {
7199 TRY;
7200
7201 SetZOrderStruct * data = new SetZOrderStruct;
7202 data->component = env->NewGlobalRef(self);
7203 data->above = above;
7204
7205 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
7206 // global refs and data are deleted in _SetLower
7207
7208 CATCH_BAD_ALLOC;
7209 }
7210
7211 } /* extern "C" */
7212
7213
7214 /************************************************************************
7215 * Diagnostic routines
7216 */
7217
7218 #ifdef DEBUG
7219
7220 void AwtComponent::VerifyState()
7221 {
7222 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7223 return;
7224 }
7225
7226 if (m_callbacksEnabled == FALSE) {
7227 /* Component is not fully setup yet. */
7228 return;
7229 }
7230
7231 /* Get target bounds. */
7232 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7233 if (env->PushLocalFrame(10) < 0)
7234 return;
7235
7236 jobject target = GetTarget(env);
7237
7238 jint x = env->GetIntField(target, AwtComponent::xID);
7239 jint y = env->GetIntField(target, AwtComponent::yID);
7240 jint width = env->GetIntField(target, AwtComponent::widthID);
7241 jint height = env->GetIntField(target, AwtComponent::heightID);
7242
7243 /* Convert target origin to absolute coordinates */
7244 while (TRUE) {
7245
7246 jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7247 if (parent == NULL) {
7248 break;
7249 }
7250 x += env->GetIntField(parent, AwtComponent::xID);
7251 y += env->GetIntField(parent, AwtComponent::yID);
7252
7253 /* If this component has insets, factor them in, but ignore
7254 * top-level windows.
7255 */
7256 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7257 if (parent2 != NULL) {
7258 jobject peer = GetPeerForTarget(env, parent);
7259 if (peer != NULL &&
7260 JNU_IsInstanceOfByName(env, peer,
7261 "sun/awt/windows/WPanelPeer") > 0) {
7262 jobject insets =
7263 JNU_CallMethodByName(env, NULL, peer,"insets",
7264 "()Ljava/awt/Insets;").l;
7265 x += (env)->GetIntField(insets, AwtInsets::leftID);
7266 y += (env)->GetIntField(insets, AwtInsets::topID);
7267 }
7268 }
7269 env->DeleteLocalRef(target);
7270 target = parent;
7271 }
7272
7273 x = ScaleUpX(x);
7274 y = ScaleUpY(y);
7275 width = ScaleUpX(width);
7276 height = ScaleUpY(height);
7277
7278 // Test whether component's bounds match the native window's
7279 RECT rect;
7280 VERIFY(::GetWindowRect(GetHWnd(), &rect));
7281 #if 0
7282 DASSERT( (x == rect.left) &&
7283 (y == rect.top) &&
7284 (width == (rect.right-rect.left)) &&
7285 (height == (rect.bottom-rect.top)) );
7286 #else
7287 BOOL fSizeValid = ( (x == rect.left) &&
7288 (y == rect.top) &&
7289 (width == (rect.right-rect.left)) &&
7290 (height == (rect.bottom-rect.top)) );
7291 #endif
7292
7293 // See if visible state matches
7294 BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7295 jboolean targetVisible;
7296 // To avoid possibly running client code on the toolkit thread, don't
7297 // do the following check if we're running on the toolkit thread.
7298 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7299 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7300 "isShowing", "()Z").z;
7301 DASSERT(!safe_ExceptionOccurred(env));
7302 } else {
7303 targetVisible = wndVisible ? 1 : 0;
7304 }
7305 #if 0
7306 DASSERT( (targetVisible && wndVisible) ||
7307 (!targetVisible && !wndVisible) );
7308 #else
7309 BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7310 (!targetVisible && !wndVisible) );
7311 #endif
7312
7313 // Check enabled state
7314 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7315 jboolean enabled = (jboolean)env->GetBooleanField(target,
7316 AwtComponent::enabledID);
7317 #if 0
7318 DASSERT( (enabled && wndEnabled) ||
7319 (!enabled && !wndEnabled) );
7320 #else
7321 BOOL fEnabledValid = ((enabled && wndEnabled) ||
7322 (!(enabled && !wndEnabled) ));
7323
7324 if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7325 printf("AwtComponent::ValidateState() failed:\n");
7326 // To avoid possibly running client code on the toolkit thread, don't
7327 // do the following call if we're running on the toolkit thread.
7328 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7329 jstring targetStr =
7330 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7331 "getName",
7332 "()Ljava/lang/String;").l;
7333 DASSERT(!safe_ExceptionOccurred(env));
7334 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7335 printf("\t%S\n", targetStrW);
7336 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7337 }
7338 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height);
7339 if (!fSizeValid) {
7340 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7341 rect.right-rect.left, rect.bottom-rect.top);
7342 }
7343 if (!fVisibleValid) {
7344 printf("\tshould be: %s\n",
7345 (targetVisible) ? "visible" : "hidden");
7346 }
7347 if (!fEnabledValid) {
7348 printf("\tshould be: %s\n",
7349 enabled ? "enabled" : "disabled");
7350 }
7351 }
7352 #endif
7353 env->PopLocalFrame(0);
7354 }
7355 #endif //DEBUG
7356
7357 // Methods for globally managed DC list
7358
7359 /**
7360 * Add a new DC to the DC list for this component.
7361 */
7362 void DCList::AddDC(HDC hDC, HWND hWnd)
7363 {
7364 DCItem *newItem = new DCItem;
7365 newItem->hDC = hDC;
7366 newItem->hWnd = hWnd;
7367 AddDCItem(newItem);
7368 }
7369
7370 void DCList::AddDCItem(DCItem *newItem)
7371 {
7372 listLock.Enter();
7373 newItem->next = head;
7374 head = newItem;
7375 listLock.Leave();
7376 }
7377
7378 /**
7379 * Given a DC and window handle, remove the DC from the DC list
7380 * and return TRUE if it exists on the current list. Otherwise
7381 * return FALSE.
7382 * A DC may not exist on the list because it has already
7383 * been released elsewhere (for example, the window
7384 * destruction process may release a DC while a rendering
7385 * thread may also want to release a DC when it notices that
7386 * its DC is obsolete for the current window).
7387 */
7388 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd)
7389 {
7390 listLock.Enter();
7391 DCItem **prevPtrPtr = &head;
7392 DCItem *listPtr = head;
7393 while (listPtr) {
7394 DCItem *nextPtr = listPtr->next;
7395 if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) {
7396 *prevPtrPtr = nextPtr;
7397 break;
7398 }
7399 prevPtrPtr = &listPtr->next;
7400 listPtr = nextPtr;
7401 }
7402 listLock.Leave();
7403 return listPtr;
7404 }
7405
7406 /**
7407 * Remove all DCs from the DC list which are associated with
7408 * the same window as hWnd. Return the list of those
7409 * DC's to the caller (which will then probably want to
7410 * call ReleaseDC() for the returned DCs).
7411 */
7412 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7413 {
7414 listLock.Enter();
7415 DCItem **prevPtrPtr = &head;
7416 DCItem *listPtr = head;
7417 DCItem *newListPtr = NULL;
7418 BOOL ret = FALSE;
7419 while (listPtr) {
7420 DCItem *nextPtr = listPtr->next;
7421 if (listPtr->hWnd == hWnd) {
7422 *prevPtrPtr = nextPtr;
7423 listPtr->next = newListPtr;
7424 newListPtr = listPtr;
7425 } else {
7426 prevPtrPtr = &listPtr->next;
7427 }
7428 listPtr = nextPtr;
7429 }
7430 listLock.Leave();
7431 return newListPtr;
7432 }
7433
7434
7435 /**
7436 * Realize palettes of all existing HDC objects
7437 */
7438 void DCList::RealizePalettes(int screen)
7439 {
7440 listLock.Enter();
7441 DCItem *listPtr = head;
7442 while (listPtr) {
7443 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7444 listPtr = listPtr->next;
7445 }
7446 listLock.Leave();
7447 }
7448
7449 void MoveDCToPassiveList(HDC hDC, HWND hWnd) {
7450 DCItem *removedDC;
7451 if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) {
7452 passiveDCList.AddDCItem(removedDC);
7453 }
7454 }
7455
7456 void ReleaseDCList(HWND hwnd, DCList &list) {
7457 DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7458 while (removedDCs) {
7459 DCItem *tmpDCList = removedDCs;
7460 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7461 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7462 VERIFY(retValue != 0);
7463 if (retValue != 0) {
7464 // Valid ReleaseDC call; need to decrement GDI object counter
7465 AwtGDIObject::Decrement();
7466 }
7467 removedDCs = removedDCs->next;
7468 delete tmpDCList;
7469 }
7470 }