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