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 }
3828
3829 void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
3830 {
3831 HWND hwnd = ImmGetHWnd();
3832 HIMC hIMC = ImmGetContext(hwnd);
3833 if (hIMC) {
3834 CANDIDATEFORM cf;
3835 cf.dwStyle = CFS_POINT;
3836 ImmGetCandidateWindow(hIMC, 0, &cf);
3837 if (x != cf.ptCurrentPos.x || y != cf.ptCurrentPos.y) {
3838 cf.dwIndex = iCandType;
3839 cf.dwStyle = CFS_POINT;
3840 cf.ptCurrentPos = {x, y};
3841 cf.rcArea = {0, 0, 0, 0};
3842 ImmSetCandidateWindow(hIMC, &cf);
3843 }
3844 COMPOSITIONFORM cfr;
3845 cfr.dwStyle = CFS_POINT;
3846 ImmGetCompositionWindow(hIMC, &cfr);
3847 if (x != cfr.ptCurrentPos.x || y != cfr.ptCurrentPos.y) {
3848 cfr.dwStyle = CFS_POINT;
3849 cfr.ptCurrentPos = {x, y};
3850 cfr.rcArea = {0, 0, 0, 0};
3851 ImmSetCompositionWindow(hIMC, &cfr);
3852 }
3853 ImmReleaseContext(hwnd, hIMC);
3854 }
3855 }
3856
3857 MsgRouting AwtComponent::WmImeSetContext(BOOL fSet, LPARAM *lplParam)
3858 {
3859 // If the Windows input context is disabled, do not let Windows
3860 // display any UIs.
3861 HWND hwnd = ImmGetHWnd();
3862 HIMC hIMC = ImmGetContext(hwnd);
3863 if (hIMC == NULL) {
3864 *lplParam = 0;
3865 return mrDoDefault;
3866 }
3867 ImmReleaseContext(hwnd, hIMC);
3868
3869 if (fSet) {
3870 LPARAM lParam = *lplParam;
3871 if (!m_useNativeCompWindow) {
3872 // stop to draw native composing window.
3873 *lplParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
3874 }
3875 }
3876 return mrDoDefault;
3877 }
3878
3879 MsgRouting AwtComponent::WmImeNotify(WPARAM subMsg, LPARAM bitsCandType)
3880 {
3881 if (!m_useNativeCompWindow) {
3882 if (subMsg == IMN_OPENCANDIDATE || subMsg == IMN_CHANGECANDIDATE) {
3883 m_bitsCandType = bitsCandType;
3884 InquireCandidatePosition();
3885 } else if (subMsg == IMN_OPENSTATUSWINDOW ||
3886 subMsg == WM_IME_STARTCOMPOSITION ||
3887 subMsg == IMN_SETCANDIDATEPOS) {
3888 InquireCandidatePosition();
3889 }
3890 }
3891 return mrDoDefault;
3892 }
3893
3894 MsgRouting AwtComponent::WmImeStartComposition()
3895 {
3896 if (m_useNativeCompWindow) {
3897 RECT rc;
3898 ::GetClientRect(GetHWnd(), &rc);
3899 SetCompositionWindow(rc);
3900 return mrDoDefault;
3901 } else
3902 return mrConsume;
3903 }
3904
3905 MsgRouting AwtComponent::WmImeEndComposition()
3906 {
3907 if (m_useNativeCompWindow) return mrDoDefault;
3908
3909 SendInputMethodEvent(
3910 java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3911 NULL, 0, NULL, NULL, 0, NULL, NULL, 0, 0, 0 );
3912 return mrConsume;
3913 }
3914
3915 MsgRouting AwtComponent::WmImeComposition(WORD wChar, LPARAM flags)
3916 {
3917 if (m_useNativeCompWindow) return mrDoDefault;
3918
3919 int* bndClauseW = NULL;
3920 jstring* readingClauseW = NULL;
3921 int* bndAttrW = NULL;
3922 BYTE* valAttrW = NULL;
3923 int cClauseW = 0;
3924 AwtInputTextInfor* textInfor = NULL;
3925
3926 try {
3927 HWND hwnd = ImmGetHWnd();
3928 HIMC hIMC = ImmGetContext(hwnd);
3929 DASSERT(hIMC!=0);
3930
3931 textInfor = new AwtInputTextInfor;
3932 textInfor->GetContextData(hIMC, flags);
3933 ImmReleaseContext(hwnd, hIMC);
3934
3935 jstring jtextString = textInfor->GetText();
3936 /* The conditions to send the input method event to AWT EDT are:
3937 1. Whenever there is a composition message sent regarding whether
3938 the composition text is NULL or not. See details at bug 6222692.
3939 2. When there is a committed message sent, in which case, we have to
3940 check whether the committed string is NULL or not. If the committed string
3941 is NULL, there is no need to send any input method event.
3942 (Minor note: 'jtextString' returned is the merged string in the case of
3943 partial commit.)
3944 */
3945 if ((flags & GCS_RESULTSTR && jtextString != NULL) ||
3946 (flags & GCS_COMPSTR)) {
3947 int cursorPosW = textInfor->GetCursorPosition();
3948 // In order not to delete the readingClauseW in the catch clause,
3949 // calling GetAttributeInfor before GetClauseInfor.
3950 int cAttrW = textInfor->GetAttributeInfor(bndAttrW, valAttrW);
3951 cClauseW = textInfor->GetClauseInfor(bndClauseW, readingClauseW);
3952
3953 /* Send INPUT_METHOD_TEXT_CHANGED event to the WInputMethod which in turn sends
3954 the event to AWT EDT.
3955
3956 The last two paremeters are set to equal since we don't have recommendations for
3957 the visible position within the current composed text. See details at
3958 java.awt.event.InputMethodEvent.
3959 */
3960 SendInputMethodEvent(java_awt_event_InputMethodEvent_INPUT_METHOD_TEXT_CHANGED,
3961 jtextString,
3962 cClauseW, bndClauseW, readingClauseW,
3963 cAttrW, bndAttrW, valAttrW,
3964 textInfor->GetCommittedTextLength(),
3965 cursorPosW, cursorPosW);
3966 }
3967 } catch (...) {
3968 // since GetClauseInfor and GetAttributeInfor could throw exception, we have to release
3969 // the pointer here.
3970 delete [] bndClauseW;
3971 delete [] readingClauseW;
3972 delete [] bndAttrW;
3973 delete [] valAttrW;
3974 throw;
3975 }
3976
3977 /* Free the storage allocated. Since jtextString won't be passed from threads
3978 * to threads, we just use the local ref and it will be deleted within the destructor
3979 * of AwtInputTextInfor object.
3980 */
3981 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
3982 if (cClauseW && readingClauseW) {
3983 for (int i = 0; i < cClauseW; i ++) {
3984 if (readingClauseW[i]) {
3985 env->DeleteLocalRef(readingClauseW[i]);
3986 }
3987 }
3988 }
3989 delete [] bndClauseW;
3990 delete [] readingClauseW;
3991 delete [] bndAttrW;
3992 delete [] valAttrW;
3993 delete textInfor;
3994
3995 return mrConsume;
3996 }
3997
3998 //
3999 // generate and post InputMethodEvent
4000 //
4001 void AwtComponent::SendInputMethodEvent(jint id, jstring text,
4002 int cClause, int* rgClauseBoundary, jstring* rgClauseReading,
4003 int cAttrBlock, int* rgAttrBoundary, BYTE *rgAttrValue,
4004 int commitedTextLength, int caretPos, int visiblePos)
4005 {
4006 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4007
4008 // assumption for array type casting
4009 DASSERT(sizeof(int)==sizeof(jint));
4010 DASSERT(sizeof(BYTE)==sizeof(jbyte));
4011
4012 // caluse information
4013 jintArray clauseBoundary = NULL;
4014 jobjectArray clauseReading = NULL;
4015 if (cClause && rgClauseBoundary && rgClauseReading) {
4016 // convert clause boundary offset array to java array
4017 clauseBoundary = env->NewIntArray(cClause+1);
4018 DASSERT(clauseBoundary);
4019 CHECK_NULL(clauseBoundary);
4020 env->SetIntArrayRegion(clauseBoundary, 0, cClause+1, (jint *)rgClauseBoundary);
4021 DASSERT(!safe_ExceptionOccurred(env));
4022
4023 // convert clause reading string array to java array
4024 jclass stringCls = JNU_ClassString(env);
4025 DASSERT(stringCls);
4026 CHECK_NULL(stringCls);
4027 clauseReading = env->NewObjectArray(cClause, stringCls, NULL);
4028 DASSERT(clauseReading);
4029 CHECK_NULL(clauseReading);
4030 for (int i=0; i<cClause; i++) env->SetObjectArrayElement(clauseReading, i, rgClauseReading[i]);
4031 DASSERT(!safe_ExceptionOccurred(env));
4032 }
4033
4034
4035 // attrubute value definition in WInputMethod.java must be equal to that in IMM.H
4036 DASSERT(ATTR_INPUT==sun_awt_windows_WInputMethod_ATTR_INPUT);
4037 DASSERT(ATTR_TARGET_CONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_CONVERTED);
4038 DASSERT(ATTR_CONVERTED==sun_awt_windows_WInputMethod_ATTR_CONVERTED);
4039 DASSERT(ATTR_TARGET_NOTCONVERTED==sun_awt_windows_WInputMethod_ATTR_TARGET_NOTCONVERTED);
4040 DASSERT(ATTR_INPUT_ERROR==sun_awt_windows_WInputMethod_ATTR_INPUT_ERROR);
4041
4042 // attribute information
4043 jintArray attrBoundary = NULL;
4044 jbyteArray attrValue = NULL;
4045 if (cAttrBlock && rgAttrBoundary && rgAttrValue) {
4046 // convert attribute boundary offset array to java array
4047 attrBoundary = env->NewIntArray(cAttrBlock+1);
4048 DASSERT(attrBoundary);
4049 CHECK_NULL(attrBoundary);
4050 env->SetIntArrayRegion(attrBoundary, 0, cAttrBlock+1, (jint *)rgAttrBoundary);
4051 DASSERT(!safe_ExceptionOccurred(env));
4052
4053 // convert attribute value byte array to java array
4054 attrValue = env->NewByteArray(cAttrBlock);
4055 DASSERT(attrValue);
4056 CHECK_NULL(attrValue);
4057 env->SetByteArrayRegion(attrValue, 0, cAttrBlock, (jbyte *)rgAttrValue);
4058 DASSERT(!safe_ExceptionOccurred(env));
4059 }
4060
4061
4062 // get global reference of WInputMethod class (run only once)
4063 static jclass wInputMethodCls = NULL;
4064 if (wInputMethodCls == NULL) {
4065 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4066 DASSERT(wInputMethodClsLocal);
4067 CHECK_NULL(wInputMethodClsLocal);
4068 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4069 env->DeleteLocalRef(wInputMethodClsLocal);
4070 }
4071
4072 // get method ID of sendInputMethodEvent() (run only once)
4073 static jmethodID sendIMEventMid = 0;
4074 if (sendIMEventMid == 0) {
4075 sendIMEventMid = env->GetMethodID(wInputMethodCls, "sendInputMethodEvent",
4076 "(IJLjava/lang/String;[I[Ljava/lang/String;[I[BIII)V");
4077 DASSERT(sendIMEventMid);
4078 CHECK_NULL(sendIMEventMid);
4079 }
4080
4081 // call m_InputMethod.sendInputMethod()
4082 env->CallVoidMethod(m_InputMethod, sendIMEventMid, id, ::JVM_CurrentTimeMillis(NULL, 0),
4083 text, clauseBoundary, clauseReading, attrBoundary,
4084 attrValue, commitedTextLength, caretPos, visiblePos);
4085 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4086 DASSERT(!safe_ExceptionOccurred(env));
4087
4088 }
4089
4090
4091
4092 //
4093 // Inquires candidate position according to the composed text
4094 //
4095 void AwtComponent::InquireCandidatePosition()
4096 {
4097 if (!::IsWindowVisible(GetHWnd())) {
4098 return;
4099 }
4100 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4101
4102 // get global reference of WInputMethod class (run only once)
4103 static jclass wInputMethodCls = NULL;
4104 if (wInputMethodCls == NULL) {
4105 jclass wInputMethodClsLocal = env->FindClass("sun/awt/windows/WInputMethod");
4106 DASSERT(wInputMethodClsLocal);
4107 CHECK_NULL(wInputMethodClsLocal);
4108 wInputMethodCls = (jclass)env->NewGlobalRef(wInputMethodClsLocal);
4109 env->DeleteLocalRef(wInputMethodClsLocal);
4110 }
4111
4112 // get method ID of sendInputMethodEvent() (run only once)
4113 static jmethodID inqCandPosMid = 0;
4114 if (inqCandPosMid == 0) {
4115 inqCandPosMid = env->GetMethodID(wInputMethodCls, "inquireCandidatePosition", "()V");
4116 DASSERT(!safe_ExceptionOccurred(env));
4117 DASSERT(inqCandPosMid);
4118 CHECK_NULL(inqCandPosMid);
4119 }
4120
4121 // call m_InputMethod.sendInputMethod()
4122 jobject candPos = env->CallObjectMethod(m_InputMethod, inqCandPosMid);
4123 DASSERT(!safe_ExceptionOccurred(env));
4124 }
4125
4126 HWND AwtComponent::ImmGetHWnd()
4127 {
4128 HWND proxy = GetProxyFocusOwner();
4129 return (proxy != NULL) ? proxy : GetHWnd();
4130 }
4131
4132 HIMC AwtComponent::ImmAssociateContext(HIMC himc)
4133 {
4134 return ::ImmAssociateContext(ImmGetHWnd(), himc);
4135 }
4136
4137 HWND AwtComponent::GetProxyFocusOwner()
4138 {
4139 AwtWindow *window = GetContainer();
4140 if (window != 0) {
4141 AwtFrame *owner = window->GetOwningFrameOrDialog();
4142 if (owner != 0) {
4143 return owner->GetProxyFocusOwner();
4144 } else if (!window->IsSimpleWindow()) { // isn't an owned simple window
4145 return ((AwtFrame*)window)->GetProxyFocusOwner();
4146 }
4147 }
4148 return (HWND)NULL;
4149 }
4150
4151 /* Redirects message to the focus proxy, if any */
4152 void AwtComponent::CallProxyDefWindowProc(UINT message, WPARAM wParam,
4153 LPARAM lParam, LRESULT &retVal, MsgRouting &mr)
4154 {
4155 if (mr != mrConsume) {
4156 HWND proxy = GetProxyFocusOwner();
4157 if (proxy != NULL && ::IsWindowEnabled(proxy)) {
4158 retVal = ::DefWindowProc(proxy, message, wParam, lParam);
4159 mr = mrConsume;
4160 }
4161 }
4162 }
4163
4164 MsgRouting AwtComponent::WmCommand(UINT id, HWND hWndChild, UINT notifyCode)
4165 {
4166 /* Menu/Accelerator */
4167 if (hWndChild == 0) {
4168 AwtObject* obj = AwtToolkit::GetInstance().LookupCmdID(id);
4169 if (obj == NULL) {
4170 return mrConsume;
4171 }
4172 DASSERT(((AwtMenuItem*)obj)->GetID() == id);
4173 obj->DoCommand();
4174 return mrConsume;
4175 }
4176 /* Child id notification */
4177 else {
4178 AwtComponent* child = AwtComponent::GetComponent(hWndChild);
4179 if (child) {
4180 child->WmNotify(notifyCode);
4181 }
4182 }
4183 return mrDoDefault;
4184 }
4185
4186 MsgRouting AwtComponent::WmNotify(UINT notifyCode)
4187 {
4188 return mrDoDefault;
4189 }
4190
4191 MsgRouting AwtComponent::WmCompareItem(UINT ctrlId,
4192 COMPAREITEMSTRUCT &compareInfo,
4193 LRESULT &result)
4194 {
4195 AwtComponent* child = AwtComponent::GetComponent(compareInfo.hwndItem);
4196 if (child == this) {
4197 /* DoCallback("handleItemDelete", */
4198 }
4199 else if (child) {
4200 return child->WmCompareItem(ctrlId, compareInfo, result);
4201 }
4202 return mrConsume;
4203 }
4204
4205 MsgRouting AwtComponent::WmDeleteItem(UINT ctrlId,
4206 DELETEITEMSTRUCT &deleteInfo)
4207 {
4208 /*
4209 * Workaround for NT 4.0 bug -- if SetWindowPos is called on a AwtList
4210 * window, a WM_DELETEITEM message is sent to its parent with a window
4211 * handle of one of the list's child windows. The property lookup
4212 * succeeds, but the HWNDs don't match.
4213 */
4214 if (deleteInfo.hwndItem == NULL) {
4215 return mrConsume;
4216 }
4217 AwtComponent* child = (AwtComponent *)AwtComponent::GetComponent(deleteInfo.hwndItem);
4218
4219 if (child && child->GetHWnd() != deleteInfo.hwndItem) {
4220 return mrConsume;
4221 }
4222
4223 if (child == this) {
4224 /*DoCallback("handleItemDelete", */
4225 }
4226 else if (child) {
4227 return child->WmDeleteItem(ctrlId, deleteInfo);
4228 }
4229 return mrConsume;
4230 }
4231
4232 MsgRouting AwtComponent::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT &drawInfo)
4233 {
4234 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4235
4236 if (drawInfo.CtlType == ODT_MENU) {
4237 if (IsMenu((HMENU)drawInfo.hwndItem) && drawInfo.itemData != 0) {
4238 AwtMenu* menu = (AwtMenu*)(drawInfo.itemData);
4239 menu->DrawItem(drawInfo);
4240 }
4241 } else {
4242 return OwnerDrawItem(ctrlId, drawInfo);
4243 }
4244 return mrConsume;
4245 }
4246
4247 MsgRouting AwtComponent::WmMeasureItem(UINT ctrlId,
4248 MEASUREITEMSTRUCT &measureInfo)
4249 {
4250 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4251
4252 if (measureInfo.CtlType == ODT_MENU) {
4253 if (measureInfo.itemData != 0) {
4254 AwtMenu* menu = (AwtMenu*)(measureInfo.itemData);
4255 HDC hDC = ::GetDC(GetHWnd());
4256 /* menu->MeasureItem(env, hDC, measureInfo); */
4257 menu->MeasureItem(hDC, measureInfo);
4258 ::ReleaseDC(GetHWnd(), hDC);
4259 }
4260 } else {
4261 return OwnerMeasureItem(ctrlId, measureInfo);
4262 }
4263 return mrConsume;
4264 }
4265
4266 MsgRouting AwtComponent::OwnerDrawItem(UINT ctrlId,
4267 DRAWITEMSTRUCT &drawInfo)
4268 {
4269 AwtComponent* child = AwtComponent::GetComponent(drawInfo.hwndItem);
4270 if (child == this) {
4271 /* DoCallback("handleItemDelete", */
4272 } else if (child != NULL) {
4273 return child->WmDrawItem(ctrlId, drawInfo);
4274 }
4275 return mrConsume;
4276 }
4277
4278 MsgRouting AwtComponent::OwnerMeasureItem(UINT ctrlId,
4279 MEASUREITEMSTRUCT &measureInfo)
4280 {
4281 HWND hChild = ::GetDlgItem(GetHWnd(), measureInfo.CtlID);
4282 AwtComponent* child = AwtComponent::GetComponent(hChild);
4283 /*
4284 * If the parent cannot find the child's instance from its handle,
4285 * maybe the child is in its creation. So the child must be searched
4286 * from the list linked before the child's creation.
4287 */
4288 if (child == NULL) {
4289 child = SearchChild((UINT)ctrlId);
4290 }
4291
4292 if (child == this) {
4293 /* DoCallback("handleItemDelete", */
4294 }
4295 else if (child) {
4296 return child->WmMeasureItem(ctrlId, measureInfo);
4297 }
4298 return mrConsume;
4299 }
4300
4301 /* for WmDrawItem method of Label, Button and Checkbox */
4302 void AwtComponent::DrawWindowText(HDC hDC, jobject font, jstring text,
4303 int x, int y)
4304 {
4305 int nOldBkMode = ::SetBkMode(hDC,TRANSPARENT);
4306 DASSERT(nOldBkMode != 0);
4307 AwtFont::drawMFString(hDC, font, text, x, y, GetCodePage());
4308 VERIFY(::SetBkMode(hDC,nOldBkMode));
4309 }
4310
4311 /*
4312 * Draw text in gray (the color being set to COLOR_GRAYTEXT) when the
4313 * component is disabled. Used only for label, checkbox and button in
4314 * OWNER_DRAW. It draws the text in emboss.
4315 */
4316 void AwtComponent::DrawGrayText(HDC hDC, jobject font, jstring text,
4317 int x, int y)
4318 {
4319 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNHILIGHT));
4320 AwtComponent::DrawWindowText(hDC, font, text, x+1, y+1);
4321 ::SetTextColor(hDC, ::GetSysColor(COLOR_BTNSHADOW));
4322 AwtComponent::DrawWindowText(hDC, font, text, x, y);
4323 }
4324
4325 /* for WmMeasureItem method of List and Choice */
4326 jstring AwtComponent::GetItemString(JNIEnv *env, jobject target, jint index)
4327 {
4328 jstring str = (jstring)JNU_CallMethodByName(env, NULL, target, "getItemImpl",
4329 "(I)Ljava/lang/String;",
4330 index).l;
4331 DASSERT(!safe_ExceptionOccurred(env));
4332 return str;
4333 }
4334
4335 /* for WmMeasureItem method of List and Choice */
4336 void AwtComponent::MeasureListItem(JNIEnv *env,
4337 MEASUREITEMSTRUCT &measureInfo)
4338 {
4339 if (env->EnsureLocalCapacity(1) < 0) {
4340 return;
4341 }
4342 jobject dimension = PreferredItemSize(env);
4343 DASSERT(dimension);
4344 measureInfo.itemWidth =
4345 env->GetIntField(dimension, AwtDimension::widthID);
4346 measureInfo.itemHeight =
4347 env->GetIntField(dimension, AwtDimension::heightID);
4348 env->DeleteLocalRef(dimension);
4349 }
4350
4351 /* for WmDrawItem method of List and Choice */
4352 void AwtComponent::DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo)
4353 {
4354 if (env->EnsureLocalCapacity(3) < 0) {
4355 return;
4356 }
4357 jobject peer = GetPeer(env);
4358 jobject target = env->GetObjectField(peer, AwtObject::targetID);
4359
4360 HDC hDC = drawInfo.hDC;
4361 RECT rect = drawInfo.rcItem;
4362
4363 BOOL bEnabled = isEnabled();
4364 BOOL unfocusableChoice = (drawInfo.itemState & ODS_COMBOBOXEDIT) && !IsFocusable();
4365 DWORD crBack, crText;
4366 if (drawInfo.itemState & ODS_SELECTED){
4367 /* Set background and text colors for selected item */
4368 crBack = ::GetSysColor (COLOR_HIGHLIGHT);
4369 crText = ::GetSysColor (COLOR_HIGHLIGHTTEXT);
4370 } else {
4371 /* Set background and text colors for unselected item */
4372 crBack = GetBackgroundColor();
4373 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4374 }
4375 if (unfocusableChoice) {
4376 //6190728. Shouldn't draw selection field (edit control) of an owner-drawn combo box.
4377 crBack = GetBackgroundColor();
4378 crText = bEnabled ? GetColor() : ::GetSysColor(COLOR_GRAYTEXT);
4379 }
4380
4381 /* Fill item rectangle with background color */
4382 HBRUSH hbrBack = ::CreateSolidBrush (crBack);
4383 DASSERT(hbrBack);
4384 /* 6190728. Shouldn't draw any kind of rectangle around selection field
4385 * (edit control) of an owner-drawn combo box while unfocusable
4386 */
4387 if (!unfocusableChoice){
4388 VERIFY(::FillRect (hDC, &rect, hbrBack));
4389 }
4390 VERIFY(::DeleteObject (hbrBack));
4391
4392 /* Set current background and text colors */
4393 ::SetBkColor (hDC, crBack);
4394 ::SetTextColor (hDC, crText);
4395
4396 /*draw string (with left margin of 1 point) */
4397 if ((int) (drawInfo.itemID) >= 0) {
4398 jobject font = GET_FONT(target, peer);
4399 jstring text = GetItemString(env, target, drawInfo.itemID);
4400 if (env->ExceptionCheck()) {
4401 env->DeleteLocalRef(font);
4402 env->DeleteLocalRef(target);
4403 return;
4404 }
4405 SIZE size = AwtFont::getMFStringSize(hDC, font, text);
4406 AwtFont::drawMFString(hDC, font, text,
4407 (GetRTL()) ? rect.right - size.cx - 1
4408 : rect.left + 1,
4409 (rect.top + rect.bottom - size.cy) / 2,
4410 GetCodePage());
4411 env->DeleteLocalRef(font);
4412 env->DeleteLocalRef(text);
4413 }
4414 if ((drawInfo.itemState & ODS_FOCUS) &&
4415 (drawInfo.itemAction & (ODA_FOCUS | ODA_DRAWENTIRE))) {
4416 if (!unfocusableChoice){
4417 if(::DrawFocusRect(hDC, &rect) == 0)
4418 VERIFY(::GetLastError() == 0);
4419 }
4420 }
4421 env->DeleteLocalRef(target);
4422 }
4423
4424 /* for MeasureListItem method and WmDrawItem method of Checkbox */
4425 jint AwtComponent::GetFontHeight(JNIEnv *env)
4426 {
4427 if (env->EnsureLocalCapacity(4) < 0) {
4428 return NULL;
4429 }
4430 jobject self = GetPeer(env);
4431 jobject target = env->GetObjectField(self, AwtObject::targetID);
4432
4433 jobject font = GET_FONT(target, self);
4434 jobject toolkit = env->CallObjectMethod(target,
4435 AwtComponent::getToolkitMID);
4436
4437 DASSERT(!safe_ExceptionOccurred(env));
4438
4439 jobject fontMetrics =
4440 env->CallObjectMethod(toolkit, AwtToolkit::getFontMetricsMID, font);
4441
4442 DASSERT(!safe_ExceptionOccurred(env));
4443
4444 jint height = env->CallIntMethod(fontMetrics, AwtFont::getHeightMID);
4445 DASSERT(!safe_ExceptionOccurred(env));
4446
4447 env->DeleteLocalRef(target);
4448 env->DeleteLocalRef(font);
4449 env->DeleteLocalRef(toolkit);
4450 env->DeleteLocalRef(fontMetrics);
4451
4452 return height;
4453 }
4454
4455 // If you override WmPrint, make sure to save a copy of the DC on the GDI
4456 // stack to be restored in WmPrintClient. Windows mangles the DC in
4457 // ::DefWindowProc.
4458 MsgRouting AwtComponent::WmPrint(HDC hDC, LPARAM flags)
4459 {
4460 /*
4461 * DefWindowProc for WM_PRINT changes DC parameters, so we have
4462 * to restore it ourselves. Otherwise it will cause problems
4463 * when several components are printed to the same DC.
4464 */
4465 int nOriginalDC = ::SaveDC(hDC);
4466 DASSERT(nOriginalDC != 0);
4467
4468 if (flags & PRF_NONCLIENT) {
4469
4470 VERIFY(::SaveDC(hDC));
4471
4472 DefWindowProc(WM_PRINT, (WPARAM)hDC,
4473 (flags & (PRF_NONCLIENT
4474 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4475
4476 VERIFY(::RestoreDC(hDC, -1));
4477
4478 // Special case for components with a sunken border. Windows does not
4479 // print the border correctly on PCL printers, so we have to do it ourselves.
4480 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4481 RECT r;
4482 VERIFY(::GetWindowRect(GetHWnd(), &r));
4483 VERIFY(::OffsetRect(&r, -r.left, -r.top));
4484 VERIFY(::DrawEdge(hDC, &r, EDGE_SUNKEN, BF_RECT));
4485 }
4486 }
4487
4488 if (flags & PRF_CLIENT) {
4489
4490 /*
4491 * Special case for components with a sunken border.
4492 * Windows prints a client area without offset to a border width.
4493 * We will first print the non-client area with the original offset,
4494 * then the client area with a corrected offset.
4495 */
4496 if (GetStyleEx() & WS_EX_CLIENTEDGE) {
4497
4498 int nEdgeWidth = ::GetSystemMetrics(SM_CXEDGE);
4499 int nEdgeHeight = ::GetSystemMetrics(SM_CYEDGE);
4500
4501 VERIFY(::OffsetWindowOrgEx(hDC, -nEdgeWidth, -nEdgeHeight, NULL));
4502
4503 // Save a copy of the DC for WmPrintClient
4504 VERIFY(::SaveDC(hDC));
4505
4506 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4507 (flags & (PRF_CLIENT
4508 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4509
4510 VERIFY(::OffsetWindowOrgEx(hDC, nEdgeWidth, nEdgeHeight, NULL));
4511
4512 } else {
4513
4514 // Save a copy of the DC for WmPrintClient
4515 VERIFY(::SaveDC(hDC));
4516 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4517 (flags & (PRF_CLIENT
4518 | PRF_CHECKVISIBLE | PRF_ERASEBKGND)));
4519 }
4520 }
4521
4522 if (flags & (PRF_CHILDREN | PRF_OWNED)) {
4523 DefWindowProc(WM_PRINT, (WPARAM) hDC,
4524 (flags & ~PRF_CLIENT & ~PRF_NONCLIENT));
4525 }
4526
4527 VERIFY(::RestoreDC(hDC, nOriginalDC));
4528
4529 return mrConsume;
4530 }
4531
4532 // If you override WmPrintClient, make sure to obtain a valid copy of
4533 // the DC from the GDI stack. The copy of the DC should have been placed
4534 // there by WmPrint. Windows mangles the DC in ::DefWindowProc.
4535 MsgRouting AwtComponent::WmPrintClient(HDC hDC, LPARAM)
4536 {
4537 // obtain valid DC from GDI stack
4538 ::RestoreDC(hDC, -1);
4539
4540 return mrDoDefault;
4541 }
4542
4543 MsgRouting AwtComponent::WmNcCalcSize(BOOL fCalcValidRects,
4544 LPNCCALCSIZE_PARAMS lpncsp,
4545 LRESULT &retVal)
4546 {
4547 return mrDoDefault;
4548 }
4549
4550 MsgRouting AwtComponent::WmNcPaint(HRGN hrgn)
4551 {
4552 return mrDoDefault;
4553 }
4554
4555 MsgRouting AwtComponent::WmNcHitTest(UINT x, UINT y, LRESULT &retVal)
4556 {
4557 return mrDoDefault;
4558 }
4559
4560 /**
4561 * WmQueryNewPalette is called whenever our component is coming to
4562 * the foreground; this gives us an opportunity to install our
4563 * custom palette. If this install actually changes entries in
4564 * the system palette, then we get a further call to WmPaletteChanged
4565 * (but note that we only need to realize our palette once).
4566 */
4567 MsgRouting AwtComponent::WmQueryNewPalette(LRESULT &retVal)
4568 {
4569 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4570 m_QueryNewPaletteCalled = TRUE;
4571 HDC hDC = ::GetDC(GetHWnd());
4572 DASSERT(hDC);
4573 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4574 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4575 ::ReleaseDC(GetHWnd(), hDC);
4576 // We must realize the palettes of all of our DC's
4577 // There is sometimes a problem where the realization of
4578 // our temporary hDC here does not actually do what
4579 // we want. Not clear why, but presumably fallout from
4580 // our use of several simultaneous hDC's.
4581 activeDCList.RealizePalettes(screen);
4582 // Do not invalidate here; if the palette
4583 // has not changed we will get an extra repaint
4584 retVal = TRUE;
4585
4586 return mrDoDefault;
4587 }
4588
4589 /**
4590 * We should not need to track this event since we handle our
4591 * palette management effectively in the WmQueryNewPalette and
4592 * WmPaletteChanged methods. However, there seems to be a bug
4593 * on some win32 systems (e.g., NT4) whereby the palette
4594 * immediately after a displayChange is not yet updated to its
4595 * final post-display-change values (hence we adjust our palette
4596 * using the wrong system palette entries), then the palette is
4597 * updated, but a WM_PALETTECHANGED message is never sent.
4598 * By tracking the ISCHANGING message as well (and by tracking
4599 * displayChange events in the AwtToolkit object), we can account
4600 * for this error by forcing our WmPaletteChanged method to be
4601 * called and thereby realizing our logical palette and updating
4602 * our dynamic colorModel object.
4603 */
4604 MsgRouting AwtComponent::WmPaletteIsChanging(HWND hwndPalChg)
4605 {
4606 if (AwtToolkit::GetInstance().HasDisplayChanged()) {
4607 WmPaletteChanged(hwndPalChg);
4608 AwtToolkit::GetInstance().ResetDisplayChanged();
4609 }
4610 return mrDoDefault;
4611 }
4612
4613 MsgRouting AwtComponent::WmPaletteChanged(HWND hwndPalChg)
4614 {
4615 // We need to re-realize our palette here (unless we're the one
4616 // that was realizing it in the first place). That will let us match the
4617 // remaining colors in the system palette as best we can. We always
4618 // invalidate because the palette will have changed when we receive this
4619 // message.
4620
4621 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4622 if (hwndPalChg != GetHWnd()) {
4623 HDC hDC = ::GetDC(GetHWnd());
4624 DASSERT(hDC);
4625 AwtWin32GraphicsDevice::SelectPalette(hDC, screen);
4626 AwtWin32GraphicsDevice::RealizePalette(hDC, screen);
4627 ::ReleaseDC(GetHWnd(), hDC);
4628 // We must realize the palettes of all of our DC's
4629 activeDCList.RealizePalettes(screen);
4630 }
4631 if (AwtWin32GraphicsDevice::UpdateSystemPalette(screen)) {
4632 AwtWin32GraphicsDevice::UpdateDynamicColorModel(screen);
4633 }
4634 Invalidate(NULL);
4635 return mrDoDefault;
4636 }
4637
4638 MsgRouting AwtComponent::WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss)
4639 {
4640 DASSERT(!IsBadReadPtr(lpss, sizeof(STYLESTRUCT)));
4641 return mrDoDefault;
4642 }
4643
4644 MsgRouting AwtComponent::WmSettingChange(UINT wFlag, LPCTSTR pszSection)
4645 {
4646 DASSERT(!IsBadStringPtr(pszSection, 20));
4647 DTRACE_PRINTLN2("WM_SETTINGCHANGE: wFlag=%d pszSection=%s", (int)wFlag, pszSection);
4648 return mrDoDefault;
4649 }
4650
4651 HDC AwtComponent::GetDCFromComponent()
4652 {
4653 GetDCReturnStruct *hdcStruct =
4654 (GetDCReturnStruct*)SendMessage(WM_AWT_GETDC);
4655 HDC hdc;
4656 if (hdcStruct) {
4657 if (hdcStruct->gdiLimitReached) {
4658 if (jvm != NULL) {
4659 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4660 if (env != NULL && !safe_ExceptionOccurred(env)) {
4661 JNU_ThrowByName(env, "java/awt/AWTError",
4662 "HDC creation failure - " \
4663 "exceeded maximum GDI resources");
4664 }
4665 }
4666 }
4667 hdc = hdcStruct->hDC;
4668 delete hdcStruct;
4669 } else {
4670 hdc = NULL;
4671 }
4672 return hdc;
4673 }
4674
4675 void AwtComponent::FillBackground(HDC hMemoryDC, SIZE &size)
4676 {
4677 RECT eraseR = { 0, 0, size.cx, size.cy };
4678 VERIFY(::FillRect(hMemoryDC, &eraseR, GetBackgroundBrush()));
4679 }
4680
4681 void AwtComponent::FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha)
4682 {
4683 if (!bitmapBits) {
4684 return;
4685 }
4686
4687 DWORD* dest = (DWORD*)bitmapBits;
4688 //XXX: might be optimized to use one loop (cy*cx -> 0)
4689 for (int i = 0; i < size.cy; i++ ) {
4690 for (int j = 0; j < size.cx; j++ ) {
4691 ((BYTE*)(dest++))[3] = alpha;
4692 }
4693 }
4694 }
4695
4696 int AwtComponent::ScaleUpX(int x) {
4697 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4698 Devices::InstanceAccess devices;
4699 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4700 return device == NULL ? x : device->ScaleUpX(x);
4701 }
4702
4703 int AwtComponent::ScaleUpY(int y) {
4704 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4705 Devices::InstanceAccess devices;
4706 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4707 return device == NULL ? y : device->ScaleUpY(y);
4708 }
4709
4710 int AwtComponent::ScaleDownX(int x) {
4711 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4712 Devices::InstanceAccess devices;
4713 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4714 return device == NULL ? x : device->ScaleDownX(x);
4715 }
4716
4717 int AwtComponent::ScaleDownY(int y) {
4718 int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(GetHWnd());
4719 Devices::InstanceAccess devices;
4720 AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
4721 return device == NULL ? y : device->ScaleDownY(y);
4722 }
4723
4724 jintArray AwtComponent::CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha) {
4725 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4726
4727 if (!::IsWindowVisible(GetHWnd())) {
4728 return NULL;
4729 }
4730
4731 HDC hdc = GetDCFromComponent();
4732 if (!hdc) {
4733 return NULL;
4734 }
4735 HDC hMemoryDC = ::CreateCompatibleDC(hdc);
4736 void *bitmapBits = NULL;
4737 HBITMAP hBitmap = BitmapUtil::CreateARGBBitmap(size.cx, size.cy, &bitmapBits);
4738 HBITMAP hOldBitmap = (HBITMAP)::SelectObject(hMemoryDC, hBitmap);
4739 SendMessage(WM_AWT_RELEASEDC, (WPARAM)hdc);
4740
4741 FillBackground(hMemoryDC, size);
4742
4743 VERIFY(::SetWindowOrgEx(hMemoryDC, loc.cx, loc.cy, NULL));
4744
4745 // Don't bother with PRF_CHECKVISIBLE because we called IsWindowVisible
4746 // above.
4747 SendMessage(WM_PRINT, (WPARAM)hMemoryDC, PRF_CLIENT | PRF_NONCLIENT);
4748
4749 // First make sure the system completed any drawing to the bitmap.
4750 ::GdiFlush();
4751
4752 // WM_PRINT does not fill the alpha-channel of the ARGB bitmap
4753 // leaving it equal to zero. Hence we need to fill it manually. Otherwise
4754 // the pixels will be considered transparent when interpreting the data.
4755 FillAlpha(bitmapBits, size, alpha);
4756
4757 ::SelectObject(hMemoryDC, hOldBitmap);
4758
4759 BITMAPINFO bmi;
4760 memset(&bmi, 0, sizeof(BITMAPINFO));
4761 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4762 bmi.bmiHeader.biWidth = size.cx;
4763 bmi.bmiHeader.biHeight = -size.cy;
4764 bmi.bmiHeader.biPlanes = 1;
4765 bmi.bmiHeader.biBitCount = 32;
4766 bmi.bmiHeader.biCompression = BI_RGB;
4767
4768 jobject localPixelArray = env->NewIntArray(size.cx * size.cy);
4769 jintArray pixelArray = NULL;
4770 if (localPixelArray != NULL) {
4771 pixelArray = (jintArray)env->NewGlobalRef(localPixelArray);
4772 env->DeleteLocalRef(localPixelArray); localPixelArray = NULL;
4773
4774 jboolean isCopy;
4775 jint *pixels = env->GetIntArrayElements(pixelArray, &isCopy);
4776
4777 ::GetDIBits(hMemoryDC, hBitmap, 0, size.cy, (LPVOID)pixels, &bmi,
4778 DIB_RGB_COLORS);
4779
4780 env->ReleaseIntArrayElements(pixelArray, pixels, 0);
4781 }
4782
4783 VERIFY(::DeleteObject(hBitmap));
4784 VERIFY(::DeleteDC(hMemoryDC));
4785
4786 return pixelArray;
4787 }
4788
4789 void* AwtComponent::SetNativeFocusOwner(void *self) {
4790 if (self == NULL) {
4791 // It means that the KFM wants to set focus to null
4792 sm_focusOwner = NULL;
4793 return NULL;
4794 }
4795
4796 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4797
4798 AwtComponent *c = NULL;
4799 jobject peer = (jobject)self;
4800
4801 PDATA pData;
4802 JNI_CHECK_NULL_GOTO(peer, "peer", ret);
4803 pData = JNI_GET_PDATA(peer);
4804 if (pData == NULL) {
4805 goto ret;
4806 }
4807 c = (AwtComponent *)pData;
4808
4809 ret:
4810 if (c && ::IsWindow(c->GetHWnd())) {
4811 sm_focusOwner = c->GetHWnd();
4812 } else {
4813 sm_focusOwner = NULL;
4814 }
4815 env->DeleteGlobalRef(peer);
4816 return NULL;
4817 }
4818
4819 void* AwtComponent::GetNativeFocusedWindow() {
4820 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4821 AwtComponent *comp =
4822 AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
4823 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4824 }
4825
4826 void* AwtComponent::GetNativeFocusOwner() {
4827 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4828 AwtComponent *comp =
4829 AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
4830 return (comp != NULL) ? comp->GetTargetAsGlobalRef(env) : NULL;
4831 }
4832
4833 AwtComponent* AwtComponent::SearchChild(UINT id) {
4834 ChildListItem* child;
4835 for (child = m_childList; child != NULL;child = child->m_next) {
4836 if (child->m_ID == id)
4837 return child->m_Component;
4838 }
4839 /*
4840 * DASSERT(FALSE);
4841 * This should not be happend if all children are recorded
4842 */
4843 return NULL; /* make compiler happy */
4844 }
4845
4846 void AwtComponent::RemoveChild(UINT id) {
4847 ChildListItem* child = m_childList;
4848 ChildListItem* lastChild = NULL;
4849 while (child != NULL) {
4850 if (child->m_ID == id) {
4851 if (lastChild == NULL) {
4852 m_childList = child->m_next;
4853 } else {
4854 lastChild->m_next = child->m_next;
4855 }
4856 child->m_next = NULL;
4857 DASSERT(child != NULL);
4858 delete child;
4859 return;
4860 }
4861 lastChild = child;
4862 child = child->m_next;
4863 }
4864 }
4865
4866 void AwtComponent::SendKeyEvent(jint id, jlong when, jint raw, jint cooked,
4867 jint modifiers, jint keyLocation, jlong nativeCode, MSG *pMsg)
4868 {
4869 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4870 CriticalSection::Lock l(GetLock());
4871 if (GetPeer(env) == NULL) {
4872 /* event received during termination. */
4873 return;
4874 }
4875
4876 static jclass keyEventCls;
4877 if (keyEventCls == NULL) {
4878 jclass keyEventClsLocal = env->FindClass("java/awt/event/KeyEvent");
4879 DASSERT(keyEventClsLocal);
4880 if (keyEventClsLocal == NULL) {
4881 /* exception already thrown */
4882 return;
4883 }
4884 keyEventCls = (jclass)env->NewGlobalRef(keyEventClsLocal);
4885 env->DeleteLocalRef(keyEventClsLocal);
4886 }
4887
4888 static jmethodID keyEventConst;
4889 if (keyEventConst == NULL) {
4890 keyEventConst = env->GetMethodID(keyEventCls, "<init>",
4891 "(Ljava/awt/Component;IJIICI)V");
4892 DASSERT(keyEventConst);
4893 CHECK_NULL(keyEventConst);
4894 }
4895 if (env->EnsureLocalCapacity(2) < 0) {
4896 return;
4897 }
4898 jobject target = GetTarget(env);
4899 jobject keyEvent = env->NewObject(keyEventCls, keyEventConst, target,
4900 id, when, modifiers, raw, cooked,
4901 keyLocation);
4902 if (safe_ExceptionOccurred(env)) env->ExceptionDescribe();
4903 DASSERT(!safe_ExceptionOccurred(env));
4904 DASSERT(keyEvent != NULL);
4905 if (keyEvent == NULL) {
4906 env->DeleteLocalRef(target);
4907 return;
4908 }
4909 env->SetLongField(keyEvent, AwtKeyEvent::rawCodeID, nativeCode);
4910 if( nativeCode && nativeCode < 256 ) {
4911 env->SetLongField(keyEvent, AwtKeyEvent::primaryLevelUnicodeID, (jlong)(dynPrimaryKeymap[nativeCode].unicode));
4912 env->SetLongField(keyEvent, AwtKeyEvent::extendedKeyCodeID, (jlong)(dynPrimaryKeymap[nativeCode].jkey));
4913 if( nativeCode < 255 ) {
4914 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(dynPrimaryKeymap[nativeCode].scancode));
4915 }else if( pMsg != NULL ) {
4916 // unknown key with virtual keycode 0xFF.
4917 // Its scancode is not in the table, pickup it from the message.
4918 env->SetLongField(keyEvent, AwtKeyEvent::scancodeID, (jlong)(HIWORD(pMsg->lParam) & 0xFF));
4919 }
4920 }
4921 if (pMsg != NULL) {
4922 AwtAWTEvent::saveMSG(env, pMsg, keyEvent);
4923 }
4924 SendEvent(keyEvent);
4925
4926 env->DeleteLocalRef(keyEvent);
4927 env->DeleteLocalRef(target);
4928 }
4929
4930 void
4931 AwtComponent::SendKeyEventToFocusOwner(jint id, jlong when,
4932 jint raw, jint cooked,
4933 jint modifiers, jint keyLocation,
4934 jlong nativeCode,
4935 MSG *msg)
4936 {
4937 /*
4938 * if focus owner is null, but focused window isn't
4939 * we will send key event to focused window
4940 */
4941 HWND hwndTarget = ((sm_focusOwner != NULL) ? sm_focusOwner : AwtComponent::GetFocusedWindow());
4942
4943 if (hwndTarget == GetHWnd()) {
4944 SendKeyEvent(id, when, raw, cooked, modifiers, keyLocation, nativeCode, msg);
4945 } else {
4946 AwtComponent *target = NULL;
4947 if (hwndTarget != NULL) {
4948 target = AwtComponent::GetComponent(hwndTarget);
4949 if (target == NULL) {
4950 target = this;
4951 }
4952 }
4953 if (target != NULL) {
4954 target->SendKeyEvent(id, when, raw, cooked, modifiers,
4955 keyLocation, nativeCode, msg);
4956 }
4957 }
4958 }
4959
4960 void AwtComponent::SetDragCapture(UINT flags)
4961 {
4962 // don't want to interfere with other controls
4963 if (::GetCapture() == NULL) {
4964 ::SetCapture(GetHWnd());
4965 }
4966 }
4967
4968 void AwtComponent::ReleaseDragCapture(UINT flags)
4969 {
4970 if ((::GetCapture() == GetHWnd()) && ((flags & ALL_MK_BUTTONS) == 0)) {
4971 // user has released all buttons, so release the capture
4972 ::ReleaseCapture();
4973 }
4974 }
4975
4976 void AwtComponent::SendMouseEvent(jint id, jlong when, jint x, jint y,
4977 jint modifiers, jint clickCount,
4978 jboolean popupTrigger, jint button,
4979 MSG *pMsg)
4980 {
4981 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
4982 CriticalSection::Lock l(GetLock());
4983 if (GetPeer(env) == NULL) {
4984 /* event received during termination. */
4985 return;
4986 }
4987
4988 static jclass mouseEventCls;
4989 if (mouseEventCls == NULL) {
4990 jclass mouseEventClsLocal =
4991 env->FindClass("java/awt/event/MouseEvent");
4992 CHECK_NULL(mouseEventClsLocal);
4993 mouseEventCls = (jclass)env->NewGlobalRef(mouseEventClsLocal);
4994 env->DeleteLocalRef(mouseEventClsLocal);
4995 }
4996 RECT insets;
4997 GetInsets(&insets);
4998
4999 static jmethodID mouseEventConst;
5000 if (mouseEventConst == NULL) {
5001 mouseEventConst =
5002 env->GetMethodID(mouseEventCls, "<init>",
5003 "(Ljava/awt/Component;IJIIIIIIZI)V");
5004 DASSERT(mouseEventConst);
5005 CHECK_NULL(mouseEventConst);
5006 }
5007 if (env->EnsureLocalCapacity(2) < 0) {
5008 return;
5009 }
5010 jobject target = GetTarget(env);
5011 DWORD curMousePos = ::GetMessagePos();
5012 int xAbs = GET_X_LPARAM(curMousePos);
5013 int yAbs = GET_Y_LPARAM(curMousePos);
5014 jobject mouseEvent = env->NewObject(mouseEventCls, mouseEventConst,
5015 target,
5016 id, when, modifiers,
5017 ScaleDownX(x + insets.left),
5018 ScaleDownY(y + insets.top),
5019 ScaleDownX(xAbs), ScaleDownY(yAbs),
5020 clickCount, popupTrigger, button);
5021
5022 if (safe_ExceptionOccurred(env)) {
5023 env->ExceptionDescribe();
5024 env->ExceptionClear();
5025 }
5026
5027 DASSERT(mouseEvent != NULL);
5028 CHECK_NULL(mouseEvent);
5029 if (pMsg != 0) {
5030 AwtAWTEvent::saveMSG(env, pMsg, mouseEvent);
5031 }
5032 SendEvent(mouseEvent);
5033
5034 env->DeleteLocalRef(mouseEvent);
5035 env->DeleteLocalRef(target);
5036 }
5037
5038 void
5039 AwtComponent::SendMouseWheelEvent(jint id, jlong when, jint x, jint y,
5040 jint modifiers, jint clickCount,
5041 jboolean popupTrigger, jint scrollType,
5042 jint scrollAmount, jint roundedWheelRotation,
5043 jdouble preciseWheelRotation, MSG *pMsg)
5044 {
5045 /* Code based not so loosely on AwtComponent::SendMouseEvent */
5046 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5047 CriticalSection::Lock l(GetLock());
5048 if (GetPeer(env) == NULL) {
5049 /* event received during termination. */
5050 return;
5051 }
5052
5053 static jclass mouseWheelEventCls;
5054 if (mouseWheelEventCls == NULL) {
5055 jclass mouseWheelEventClsLocal =
5056 env->FindClass("java/awt/event/MouseWheelEvent");
5057 CHECK_NULL(mouseWheelEventClsLocal);
5058 mouseWheelEventCls = (jclass)env->NewGlobalRef(mouseWheelEventClsLocal);
5059 env->DeleteLocalRef(mouseWheelEventClsLocal);
5060 }
5061 RECT insets;
5062 GetInsets(&insets);
5063
5064 static jmethodID mouseWheelEventConst;
5065 if (mouseWheelEventConst == NULL) {
5066 mouseWheelEventConst =
5067 env->GetMethodID(mouseWheelEventCls, "<init>",
5068 "(Ljava/awt/Component;IJIIIIIIZIIID)V");
5069 DASSERT(mouseWheelEventConst);
5070 CHECK_NULL(mouseWheelEventConst);
5071 }
5072 if (env->EnsureLocalCapacity(2) < 0) {
5073 return;
5074 }
5075 jobject target = GetTarget(env);
5076 DWORD curMousePos = ::GetMessagePos();
5077 int xAbs = GET_X_LPARAM(curMousePos);
5078 int yAbs = GET_Y_LPARAM(curMousePos);
5079
5080 DTRACE_PRINTLN("creating MWE in JNI");
5081
5082 jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
5083 mouseWheelEventConst,
5084 target,
5085 id, when, modifiers,
5086 ScaleDownX(x + insets.left),
5087 ScaleDownY(y + insets.top),
5088 ScaleDownX(xAbs),
5089 ScaleDownY(yAbs),
5090 clickCount, popupTrigger,
5091 scrollType, scrollAmount,
5092 roundedWheelRotation, preciseWheelRotation);
5093
5094 DASSERT(mouseWheelEvent != NULL);
5095 if (mouseWheelEvent == NULL || safe_ExceptionOccurred(env)) {
5096 env->ExceptionDescribe();
5097 env->ExceptionClear();
5098 env->DeleteLocalRef(target);
5099 return;
5100 }
5101 if (pMsg != NULL) {
5102 AwtAWTEvent::saveMSG(env, pMsg, mouseWheelEvent);
5103 }
5104 SendEvent(mouseWheelEvent);
5105
5106 env->DeleteLocalRef(mouseWheelEvent);
5107 env->DeleteLocalRef(target);
5108 }
5109
5110 void AwtComponent::SendFocusEvent(jint id, HWND opposite)
5111 {
5112 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5113
5114 CriticalSection::Lock l(GetLock());
5115 if (GetPeer(env) == NULL) {
5116 /* event received during termination. */
5117 return;
5118 }
5119
5120 static jclass focusEventCls;
5121 if (focusEventCls == NULL) {
5122 jclass focusEventClsLocal
5123 = env->FindClass("java/awt/event/FocusEvent");
5124 DASSERT(focusEventClsLocal);
5125 CHECK_NULL(focusEventClsLocal);
5126 focusEventCls = (jclass)env->NewGlobalRef(focusEventClsLocal);
5127 env->DeleteLocalRef(focusEventClsLocal);
5128 }
5129
5130 static jmethodID focusEventConst;
5131 if (focusEventConst == NULL) {
5132 focusEventConst =
5133 env->GetMethodID(focusEventCls, "<init>",
5134 "(Ljava/awt/Component;IZLjava/awt/Component;)V");
5135 DASSERT(focusEventConst);
5136 CHECK_NULL(focusEventConst);
5137 }
5138
5139 static jclass sequencedEventCls;
5140 if (sequencedEventCls == NULL) {
5141 jclass sequencedEventClsLocal =
5142 env->FindClass("java/awt/SequencedEvent");
5143 DASSERT(sequencedEventClsLocal);
5144 CHECK_NULL(sequencedEventClsLocal);
5145 sequencedEventCls =
5146 (jclass)env->NewGlobalRef(sequencedEventClsLocal);
5147 env->DeleteLocalRef(sequencedEventClsLocal);
5148 }
5149
5150 static jmethodID sequencedEventConst;
5151 if (sequencedEventConst == NULL) {
5152 sequencedEventConst =
5153 env->GetMethodID(sequencedEventCls, "<init>",
5154 "(Ljava/awt/AWTEvent;)V");
5155 DASSERT(sequencedEventConst);
5156 CHECK_NULL(sequencedEventConst);
5157 }
5158
5159 if (env->EnsureLocalCapacity(3) < 0) {
5160 return;
5161 }
5162
5163 jobject target = GetTarget(env);
5164 jobject jOpposite = NULL;
5165 if (opposite != NULL) {
5166 AwtComponent *awtOpposite = AwtComponent::GetComponent(opposite);
5167 if (awtOpposite != NULL) {
5168 jOpposite = awtOpposite->GetTarget(env);
5169 }
5170 }
5171 jobject focusEvent = env->NewObject(focusEventCls, focusEventConst,
5172 target, id, JNI_FALSE, jOpposite);
5173 DASSERT(!safe_ExceptionOccurred(env));
5174 DASSERT(focusEvent != NULL);
5175 if (jOpposite != NULL) {
5176 env->DeleteLocalRef(jOpposite); jOpposite = NULL;
5177 }
5178 env->DeleteLocalRef(target); target = NULL;
5179 CHECK_NULL(focusEvent);
5180
5181 jobject sequencedEvent = env->NewObject(sequencedEventCls,
5182 sequencedEventConst,
5183 focusEvent);
5184 DASSERT(!safe_ExceptionOccurred(env));
5185 DASSERT(sequencedEvent != NULL);
5186 env->DeleteLocalRef(focusEvent); focusEvent = NULL;
5187 CHECK_NULL(sequencedEvent);
5188 SendEvent(sequencedEvent);
5189
5190 env->DeleteLocalRef(sequencedEvent);
5191 }
5192
5193 /*
5194 * Forward a filtered event directly to the subclassed window.
5195 * This method is needed so that DefWindowProc is invoked on the
5196 * component's owning thread.
5197 */
5198 MsgRouting AwtComponent::HandleEvent(MSG *msg, BOOL)
5199 {
5200 DefWindowProc(msg->message, msg->wParam, msg->lParam);
5201 delete msg;
5202 return mrConsume;
5203 }
5204
5205 /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent
5206 on the toolkit thread. This method may pre-filter the messages. */
5207 BOOL AwtComponent::PostHandleEventMessage(MSG *msg, BOOL synthetic)
5208 {
5209 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5210 // We should cut off keyboard events to disabled components
5211 // to avoid the components responding visually to keystrokes when disabled.
5212 // we shouldn't cut off WM_SYS* messages as they aren't used for normal activity
5213 // but to activate menus, close windows, etc
5214 switch(msg->message) {
5215 case WM_KEYDOWN:
5216 case WM_KEYUP:
5217 case WM_CHAR:
5218 case WM_DEADCHAR:
5219 {
5220 if (!isRecursivelyEnabled()) {
5221 goto quit;
5222 }
5223 break;
5224 }
5225 }
5226 if (PostMessage(GetHWnd(), WM_AWT_HANDLE_EVENT,
5227 (WPARAM) synthetic, (LPARAM) msg)) {
5228 return TRUE;
5229 } else {
5230 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5231 }
5232 quit:
5233 delete msg;
5234 return FALSE;
5235 }
5236
5237 void AwtComponent::SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent)
5238 {
5239 jint id = (env)->GetIntField(keyEvent, AwtAWTEvent::idID);
5240 UINT message;
5241 switch (id) {
5242 case java_awt_event_KeyEvent_KEY_PRESSED:
5243 message = WM_KEYDOWN;
5244 break;
5245 case java_awt_event_KeyEvent_KEY_RELEASED:
5246 message = WM_KEYUP;
5247 break;
5248 case java_awt_event_KeyEvent_KEY_TYPED:
5249 message = WM_CHAR;
5250 break;
5251 default:
5252 return;
5253 }
5254
5255 /*
5256 * KeyEvent.modifiers aren't supported -- the Java apppwd must send separate
5257 * KEY_PRESSED and KEY_RELEASED events for the modifier virtual keys.
5258 */
5259 if (id == java_awt_event_KeyEvent_KEY_TYPED) {
5260 // WM_CHAR message must be posted using WM_AWT_FORWARD_CHAR
5261 // (for Edit control)
5262 jchar keyChar = (jchar)
5263 (env)->GetCharField(keyEvent, AwtKeyEvent::keyCharID);
5264
5265 // Bugid 4724007. If it is a Delete character, don't send the fake
5266 // KEY_TYPED we created back to the native window: Windows doesn't
5267 // expect a WM_CHAR for Delete in TextFields, so it tries to enter a
5268 // character after deleting.
5269 if (keyChar == '\177') { // the Delete character
5270 return;
5271 }
5272
5273 // Disable forwarding WM_CHAR messages to disabled components
5274 if (isRecursivelyEnabled()) {
5275 if (!::PostMessage(GetHWnd(), WM_AWT_FORWARD_CHAR,
5276 MAKEWPARAM(keyChar, TRUE), 0)) {
5277 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5278 }
5279 }
5280 } else {
5281 jint keyCode =
5282 (env)->GetIntField(keyEvent, AwtKeyEvent::keyCodeID);
5283 UINT key, modifiers;
5284 AwtComponent::JavaKeyToWindowsKey(keyCode, &key, &modifiers);
5285 MSG* msg = CreateMessage(message, key, 0);
5286 PostHandleEventMessage(msg, TRUE);
5287 }
5288 }
5289
5290 void AwtComponent::SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent)
5291 {
5292 /* DebugBreak(); */
5293 jint button = (env)->GetIntField(mouseEvent, AwtMouseEvent::buttonID);
5294 jint modifiers = (env)->GetIntField(mouseEvent, AwtInputEvent::modifiersID);
5295
5296 WPARAM wParam = 0;
5297 WORD wLow = 0;
5298 jint wheelAmt = 0;
5299 jint id = (env)->GetIntField(mouseEvent, AwtAWTEvent::idID);
5300 UINT message;
5301 switch (id) {
5302 case java_awt_event_MouseEvent_MOUSE_PRESSED: {
5303 switch (button) {
5304 case java_awt_event_MouseEvent_BUTTON1:
5305 message = WM_LBUTTONDOWN; break;
5306 case java_awt_event_MouseEvent_BUTTON3:
5307 message = WM_MBUTTONDOWN; break;
5308 case java_awt_event_MouseEvent_BUTTON2:
5309 message = WM_RBUTTONDOWN; break;
5310 default:
5311 return;
5312 }
5313 break;
5314 }
5315 case java_awt_event_MouseEvent_MOUSE_RELEASED: {
5316 switch (button) {
5317 case java_awt_event_MouseEvent_BUTTON1:
5318 message = WM_LBUTTONUP; break;
5319 case java_awt_event_MouseEvent_BUTTON3:
5320 message = WM_MBUTTONUP; break;
5321 case java_awt_event_MouseEvent_BUTTON2:
5322 message = WM_RBUTTONUP; break;
5323 default:
5324 return;
5325 }
5326 break;
5327 }
5328 case java_awt_event_MouseEvent_MOUSE_MOVED:
5329 /* MOUSE_DRAGGED events must first have sent a MOUSE_PRESSED event. */
5330 case java_awt_event_MouseEvent_MOUSE_DRAGGED:
5331 message = WM_MOUSEMOVE;
5332 break;
5333 case java_awt_event_MouseEvent_MOUSE_WHEEL:
5334 if (modifiers & java_awt_event_InputEvent_CTRL_DOWN_MASK) {
5335 wLow |= MK_CONTROL;
5336 }
5337 if (modifiers & java_awt_event_InputEvent_SHIFT_DOWN_MASK) {
5338 wLow |= MK_SHIFT;
5339 }
5340 if (modifiers & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
5341 wLow |= MK_LBUTTON;
5342 }
5343 if (modifiers & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) {
5344 wLow |= MK_RBUTTON;
5345 }
5346 if (modifiers & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) {
5347 wLow |= MK_MBUTTON;
5348 }
5349 if (modifiers & X1_BUTTON) {
5350 wLow |= GetButtonMK(X1_BUTTON);
5351 }
5352 if (modifiers & X2_BUTTON) {
5353 wLow |= GetButtonMK(X2_BUTTON);
5354 }
5355
5356 wheelAmt = (jint)JNU_CallMethodByName(env,
5357 NULL,
5358 mouseEvent,
5359 "getWheelRotation",
5360 "()I").i;
5361 DASSERT(!safe_ExceptionOccurred(env));
5362 JNU_CHECK_EXCEPTION(env);
5363 DTRACE_PRINTLN1("wheelAmt = %i\n", wheelAmt);
5364
5365 // convert Java wheel amount value to Win32
5366 wheelAmt *= -1 * WHEEL_DELTA;
5367
5368 message = WM_MOUSEWHEEL;
5369 wParam = MAKEWPARAM(wLow, wheelAmt);
5370
5371 break;
5372 default:
5373 return;
5374 }
5375 jint x = (env)->GetIntField(mouseEvent, AwtMouseEvent::xID);
5376 jint y = (env)->GetIntField(mouseEvent, AwtMouseEvent::yID);
5377 MSG* msg = CreateMessage(message, wParam, MAKELPARAM(x, y), x, y);
5378 PostHandleEventMessage(msg, TRUE);
5379 }
5380
5381 BOOL AwtComponent::InheritsNativeMouseWheelBehavior() {return false;}
5382
5383 void AwtComponent::Invalidate(RECT* r)
5384 {
5385 ::InvalidateRect(GetHWnd(), r, FALSE);
5386 }
5387
5388 void AwtComponent::BeginValidate()
5389 {
5390 DASSERT(m_validationNestCount >= 0 &&
5391 m_validationNestCount < 1000); // sanity check
5392
5393 if (m_validationNestCount == 0) {
5394 // begin deferred window positioning if we're not inside
5395 // another Begin/EndValidate pair
5396 DASSERT(m_hdwp == NULL);
5397 m_hdwp = ::BeginDeferWindowPos(32);
5398 }
5399
5400 m_validationNestCount++;
5401 }
5402
5403 void AwtComponent::EndValidate()
5404 {
5405 DASSERT(m_validationNestCount > 0 &&
5406 m_validationNestCount < 1000); // sanity check
5407 DASSERT(m_hdwp != NULL);
5408
5409 m_validationNestCount--;
5410 if (m_validationNestCount == 0) {
5411 // if this call to EndValidate is not nested inside another
5412 // Begin/EndValidate pair, end deferred window positioning
5413 ::EndDeferWindowPos(m_hdwp);
5414 m_hdwp = NULL;
5415 }
5416 }
5417
5418 /**
5419 * HWND, AwtComponent and Java Peer interaction
5420 */
5421
5422 /*
5423 *Link the C++, Java peer, and HWNDs together.
5424 */
5425 void AwtComponent::LinkObjects(JNIEnv *env, jobject peer)
5426 {
5427 /*
5428 * Bind all three objects together thru this C++ object, two-way to each:
5429 * JavaPeer <-> C++ <-> HWND
5430 *
5431 * C++ -> JavaPeer
5432 */
5433 if (m_peerObject == NULL) {
5434 // This may have already been set up by CreateHWnd
5435 // And we don't want to create two references so we
5436 // will leave the prior one alone
5437 m_peerObject = env->NewGlobalRef(peer);
5438 }
5439 /* JavaPeer -> HWND */
5440 env->SetLongField(peer, AwtComponent::hwndID, reinterpret_cast<jlong>(m_hwnd));
5441
5442 /* JavaPeer -> C++ */
5443 JNI_SET_PDATA(peer, this);
5444
5445 /* HWND -> C++ */
5446 SetComponentInHWND();
5447 }
5448
5449 /* Cleanup above linking */
5450 void AwtComponent::UnlinkObjects()
5451 {
5452 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5453 if (m_peerObject) {
5454 env->SetLongField(m_peerObject, AwtComponent::hwndID, 0);
5455 JNI_SET_PDATA(m_peerObject, static_cast<PDATA>(NULL));
5456 JNI_SET_DESTROYED(m_peerObject);
5457 env->DeleteGlobalRef(m_peerObject);
5458 m_peerObject = NULL;
5459 }
5460 }
5461
5462 void AwtComponent::Enable(BOOL bEnable)
5463 {
5464 if (bEnable && IsTopLevel()) {
5465 // we should not enable blocked toplevels
5466 bEnable = !::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()));
5467 }
5468 // Shouldn't trigger native focus change
5469 // (only the proxy may be the native focus owner).
5470 ::EnableWindow(GetHWnd(), bEnable);
5471
5472 CriticalSection::Lock l(GetLock());
5473 VerifyState();
5474 }
5475
5476 /*
5477 * associate an AwtDropTarget with this AwtComponent
5478 */
5479
5480 AwtDropTarget* AwtComponent::CreateDropTarget(JNIEnv* env) {
5481 m_dropTarget = new AwtDropTarget(env, this);
5482 m_dropTarget->RegisterTarget(TRUE);
5483 return m_dropTarget;
5484 }
5485
5486 /*
5487 * disassociate an AwtDropTarget with this AwtComponent
5488 */
5489
5490 void AwtComponent::DestroyDropTarget() {
5491 if (m_dropTarget != NULL) {
5492 m_dropTarget->RegisterTarget(FALSE);
5493 m_dropTarget->Release();
5494 m_dropTarget = NULL;
5495 }
5496 }
5497
5498 BOOL AwtComponent::IsFocusingMouseMessage(MSG *pMsg) {
5499 return pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_LBUTTONDBLCLK;
5500 }
5501
5502 BOOL AwtComponent::IsFocusingKeyMessage(MSG *pMsg) {
5503 return pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_SPACE;
5504 }
5505
5506 void AwtComponent::_Show(void *param)
5507 {
5508 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5509
5510 jobject self = (jobject)param;
5511
5512 AwtComponent *p;
5513
5514 PDATA pData;
5515 JNI_CHECK_PEER_GOTO(self, ret);
5516 p = (AwtComponent *)pData;
5517 if (::IsWindow(p->GetHWnd()))
5518 {
5519 p->SendMessage(WM_AWT_COMPONENT_SHOW);
5520 }
5521 ret:
5522 env->DeleteGlobalRef(self);
5523 }
5524
5525 void AwtComponent::_Hide(void *param)
5526 {
5527 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5528
5529 jobject self = (jobject)param;
5530
5531 AwtComponent *p;
5532
5533 PDATA pData;
5534 JNI_CHECK_PEER_GOTO(self, ret);
5535 p = (AwtComponent *)pData;
5536 if (::IsWindow(p->GetHWnd()))
5537 {
5538 p->SendMessage(WM_AWT_COMPONENT_HIDE);
5539 }
5540 ret:
5541 env->DeleteGlobalRef(self);
5542 }
5543
5544 void AwtComponent::_Enable(void *param)
5545 {
5546 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5547
5548 jobject self = (jobject)param;
5549
5550 AwtComponent *p;
5551
5552 PDATA pData;
5553 JNI_CHECK_PEER_GOTO(self, ret);
5554 p = (AwtComponent *)pData;
5555 if (::IsWindow(p->GetHWnd()))
5556 {
5557 p->Enable(TRUE);
5558 }
5559 ret:
5560 env->DeleteGlobalRef(self);
5561 }
5562
5563 void AwtComponent::_Disable(void *param)
5564 {
5565 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5566
5567 jobject self = (jobject)param;
5568
5569 AwtComponent *p;
5570
5571 PDATA pData;
5572 JNI_CHECK_PEER_GOTO(self, ret);
5573 p = (AwtComponent *)pData;
5574 if (::IsWindow(p->GetHWnd()))
5575 {
5576 p->Enable(FALSE);
5577 }
5578 ret:
5579 env->DeleteGlobalRef(self);
5580 }
5581
5582 jobject AwtComponent::_GetLocationOnScreen(void *param)
5583 {
5584 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5585
5586 jobject self = (jobject)param;
5587
5588 jobject result = NULL;
5589 AwtComponent *p;
5590
5591 PDATA pData;
5592 JNI_CHECK_PEER_GOTO(self, ret);
5593 p = (AwtComponent *)pData;
5594 if (::IsWindow(p->GetHWnd()))
5595 {
5596 RECT rect;
5597 VERIFY(::GetWindowRect(p->GetHWnd(),&rect));
5598 result = JNU_NewObjectByName(env, "java/awt/Point", "(II)V",
5599 p->ScaleDownX(rect.left),
5600 p->ScaleDownY(rect.top));
5601 }
5602 ret:
5603 env->DeleteGlobalRef(self);
5604
5605 if (result != NULL)
5606 {
5607 jobject resultGlobalRef = env->NewGlobalRef(result);
5608 env->DeleteLocalRef(result);
5609 return resultGlobalRef;
5610 }
5611 else
5612 {
5613 return NULL;
5614 }
5615 }
5616
5617 void AwtComponent::_Reshape(void *param)
5618 {
5619 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5620
5621 ReshapeStruct *rs = (ReshapeStruct*)param;
5622 jobject self = rs->component;
5623 jint x = rs->x;
5624 jint y = rs->y;
5625 jint w = rs->w;
5626 jint h = rs->h;
5627
5628 AwtComponent *p;
5629
5630 PDATA pData;
5631 JNI_CHECK_PEER_GOTO(self, ret);
5632 p = (AwtComponent *)pData;
5633 if (::IsWindow(p->GetHWnd()))
5634 {
5635 RECT* r = new RECT;
5636 ::SetRect(r, x, y, x + w, y + h);
5637 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, CHECK_EMBEDDED, (LPARAM)r);
5638 }
5639 ret:
5640 env->DeleteGlobalRef(self);
5641
5642 delete rs;
5643 }
5644
5645 void AwtComponent::_ReshapeNoCheck(void *param)
5646 {
5647 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5648
5649 ReshapeStruct *rs = (ReshapeStruct*)param;
5650 jobject self = rs->component;
5651 jint x = rs->x;
5652 jint y = rs->y;
5653 jint w = rs->w;
5654 jint h = rs->h;
5655
5656 AwtComponent *p;
5657
5658 PDATA pData;
5659 JNI_CHECK_PEER_GOTO(self, ret);
5660 p = (AwtComponent *)pData;
5661 if (::IsWindow(p->GetHWnd()))
5662 {
5663 RECT* r = new RECT;
5664 ::SetRect(r, x, y, x + w, y + h);
5665 p->SendMessage(WM_AWT_RESHAPE_COMPONENT, DONT_CHECK_EMBEDDED, (LPARAM)r);
5666 }
5667 ret:
5668 env->DeleteGlobalRef(self);
5669
5670 delete rs;
5671 }
5672
5673 void AwtComponent::_NativeHandleEvent(void *param)
5674 {
5675 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5676
5677 NativeHandleEventStruct *nhes = (NativeHandleEventStruct *)param;
5678 jobject self = nhes->component;
5679 jobject event = nhes->event;
5680
5681 AwtComponent *p;
5682
5683 PDATA pData;
5684 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5685 pData = JNI_GET_PDATA(self);
5686 if (pData == NULL) {
5687 env->DeleteGlobalRef(self);
5688 if (event != NULL) {
5689 env->DeleteGlobalRef(event);
5690 }
5691 delete nhes;
5692 return;
5693 }
5694 JNI_CHECK_NULL_GOTO(event, "null AWTEvent", ret);
5695
5696 p = (AwtComponent *)pData;
5697 if (::IsWindow(p->GetHWnd()))
5698 {
5699 if (env->EnsureLocalCapacity(1) < 0) {
5700 env->DeleteGlobalRef(self);
5701 env->DeleteGlobalRef(event);
5702 delete nhes;
5703 return;
5704 }
5705 jbyteArray bdata = (jbyteArray)(env)->GetObjectField(event, AwtAWTEvent::bdataID);
5706 int id = (env)->GetIntField(event, AwtAWTEvent::idID);
5707 DASSERT(!safe_ExceptionOccurred(env));
5708 if (bdata != 0) {
5709 MSG msg;
5710 (env)->GetByteArrayRegion(bdata, 0, sizeof(MSG), (jbyte *)&msg);
5711 (env)->DeleteLocalRef(bdata);
5712 static BOOL keyDownConsumed = FALSE;
5713 static BOOL bCharChanged = FALSE;
5714 static WCHAR modifiedChar;
5715 WCHAR unicodeChar;
5716
5717 /* Remember if a KEY_PRESSED event is consumed, as an old model
5718 * program won't consume a subsequent KEY_TYPED event.
5719 */
5720 jboolean consumed =
5721 (env)->GetBooleanField(event, AwtAWTEvent::consumedID);
5722 DASSERT(!safe_ExceptionOccurred(env));
5723
5724 if (consumed) {
5725 keyDownConsumed = (id == java_awt_event_KeyEvent_KEY_PRESSED);
5726 env->DeleteGlobalRef(self);
5727 env->DeleteGlobalRef(event);
5728 delete nhes;
5729 return;
5730
5731 } else if (id == java_awt_event_KeyEvent_KEY_PRESSED) {
5732 // Fix for 6637607: reset consuming
5733 keyDownConsumed = FALSE;
5734 }
5735
5736 /* Consume a KEY_TYPED event if a KEY_PRESSED had been, to support
5737 * the old model.
5738 */
5739 if ((id == java_awt_event_KeyEvent_KEY_TYPED) && keyDownConsumed) {
5740 keyDownConsumed = FALSE;
5741 env->DeleteGlobalRef(self);
5742 env->DeleteGlobalRef(event);
5743 delete nhes;
5744 return;
5745 }
5746
5747 /* Modify any event parameters, if necessary. */
5748 if (self && pData &&
5749 id >= java_awt_event_KeyEvent_KEY_FIRST &&
5750 id <= java_awt_event_KeyEvent_KEY_LAST) {
5751
5752 AwtComponent* p = (AwtComponent*)pData;
5753
5754 jint keyCode =
5755 (env)->GetIntField(event, AwtKeyEvent::keyCodeID);
5756 jchar keyChar =
5757 (env)->GetCharField(event, AwtKeyEvent::keyCharID);
5758 jint modifiers =
5759 (env)->GetIntField(event, AwtInputEvent::modifiersID);
5760
5761 DASSERT(!safe_ExceptionOccurred(env));
5762
5763 /* Check to see whether the keyCode or modifiers were changed
5764 on the keyPressed event, and tweak the following keyTyped
5765 event (if any) accodingly. */
5766 switch (id) {
5767 case java_awt_event_KeyEvent_KEY_PRESSED:
5768 {
5769 UINT winKey = (UINT)msg.wParam;
5770 bCharChanged = FALSE;
5771
5772 if (winKey == VK_PROCESSKEY) {
5773 // Leave it up to IME
5774 break;
5775 }
5776
5777 if (keyCode != java_awt_event_KeyEvent_VK_UNDEFINED) {
5778 UINT newWinKey, ignored;
5779 p->JavaKeyToWindowsKey(keyCode, &newWinKey, &ignored, winKey);
5780 if (newWinKey != 0) {
5781 winKey = newWinKey;
5782 }
5783 }
5784
5785 BOOL isDeadKey = FALSE;
5786 modifiedChar = p->WindowsKeyToJavaChar(winKey, modifiers, AwtComponent::NONE, isDeadKey);
5787 bCharChanged = (keyChar != modifiedChar);
5788 }
5789 break;
5790
5791 case java_awt_event_KeyEvent_KEY_RELEASED:
5792 {
5793 keyDownConsumed = FALSE;
5794 bCharChanged = FALSE;
5795 }
5796 break;
5797
5798 case java_awt_event_KeyEvent_KEY_TYPED:
5799 {
5800 if (bCharChanged)
5801 {
5802 unicodeChar = modifiedChar;
5803 }
5804 else
5805 {
5806 unicodeChar = keyChar;
5807 }
5808 bCharChanged = FALSE;
5809
5810 // Disable forwarding KEY_TYPED messages to peers of
5811 // disabled components
5812 if (p->isRecursivelyEnabled()) {
5813 // send the character back to the native window for
5814 // processing. The WM_AWT_FORWARD_CHAR handler will send
5815 // this character to DefWindowProc
5816 if (!::PostMessage(p->GetHWnd(), WM_AWT_FORWARD_CHAR,
5817 MAKEWPARAM(unicodeChar, FALSE), msg.lParam)) {
5818 JNU_ThrowInternalError(env, "Message not posted, native event queue may be full.");
5819 }
5820 }
5821 env->DeleteGlobalRef(self);
5822 env->DeleteGlobalRef(event);
5823 delete nhes;
5824 return;
5825 }
5826 break;
5827
5828 default:
5829 break;
5830 }
5831 }
5832
5833 // ignore all InputMethodEvents
5834 if (self && (pData = JNI_GET_PDATA(self)) &&
5835 id >= java_awt_event_InputMethodEvent_INPUT_METHOD_FIRST &&
5836 id <= java_awt_event_InputMethodEvent_INPUT_METHOD_LAST) {
5837 env->DeleteGlobalRef(self);
5838 env->DeleteGlobalRef(event);
5839 delete nhes;
5840 return;
5841 }
5842
5843 // Create copy for local msg
5844 MSG* pCopiedMsg = new MSG;
5845 memmove(pCopiedMsg, &msg, sizeof(MSG));
5846 // Event handler deletes msg
5847 p->PostHandleEventMessage(pCopiedMsg, FALSE);
5848
5849 env->DeleteGlobalRef(self);
5850 env->DeleteGlobalRef(event);
5851 delete nhes;
5852 return;
5853 }
5854
5855 /* Forward any valid synthesized events. Currently only mouse and
5856 * key events are supported.
5857 */
5858 if (self == NULL || (pData = JNI_GET_PDATA(self)) == NULL) {
5859 env->DeleteGlobalRef(self);
5860 env->DeleteGlobalRef(event);
5861 delete nhes;
5862 return;
5863 }
5864
5865 AwtComponent* p = (AwtComponent*)pData;
5866 if (id >= java_awt_event_KeyEvent_KEY_FIRST &&
5867 id <= java_awt_event_KeyEvent_KEY_LAST) {
5868 p->SynthesizeKeyMessage(env, event);
5869 } else if (id >= java_awt_event_MouseEvent_MOUSE_FIRST &&
5870 id <= java_awt_event_MouseEvent_MOUSE_LAST) {
5871 p->SynthesizeMouseMessage(env, event);
5872 }
5873 }
5874
5875 ret:
5876 if (self != NULL) {
5877 env->DeleteGlobalRef(self);
5878 }
5879 if (event != NULL) {
5880 env->DeleteGlobalRef(event);
5881 }
5882
5883 delete nhes;
5884 }
5885
5886 void AwtComponent::_SetForeground(void *param)
5887 {
5888 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5889
5890 SetColorStruct *scs = (SetColorStruct *)param;
5891 jobject self = scs->component;
5892 jint rgb = scs->rgb;
5893
5894 AwtComponent *c = NULL;
5895
5896 PDATA pData;
5897 JNI_CHECK_PEER_GOTO(self, ret);
5898 c = (AwtComponent *)pData;
5899 if (::IsWindow(c->GetHWnd()))
5900 {
5901 c->SetColor(PALETTERGB((rgb>>16)&0xff,
5902 (rgb>>8)&0xff,
5903 (rgb)&0xff));
5904 c->VerifyState();
5905 }
5906 ret:
5907 env->DeleteGlobalRef(self);
5908
5909 delete scs;
5910 }
5911
5912 void AwtComponent::_SetBackground(void *param)
5913 {
5914 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5915
5916 SetColorStruct *scs = (SetColorStruct *)param;
5917 jobject self = scs->component;
5918 jint rgb = scs->rgb;
5919
5920 AwtComponent *c = NULL;
5921
5922 PDATA pData;
5923 JNI_CHECK_PEER_GOTO(self, ret);
5924 c = (AwtComponent *)pData;
5925 if (::IsWindow(c->GetHWnd()))
5926 {
5927 c->SetBackgroundColor(PALETTERGB((rgb>>16)&0xff,
5928 (rgb>>8)&0xff,
5929 (rgb)&0xff));
5930 c->VerifyState();
5931 }
5932 ret:
5933 env->DeleteGlobalRef(self);
5934
5935 delete scs;
5936 }
5937
5938 void AwtComponent::_SetFont(void *param)
5939 {
5940 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5941
5942 SetFontStruct *sfs = (SetFontStruct *)param;
5943 jobject self = sfs->component;
5944 jobject font = sfs->font;
5945
5946 AwtComponent *c = NULL;
5947
5948 PDATA pData;
5949 JNI_CHECK_PEER_GOTO(self, ret);
5950 JNI_CHECK_NULL_GOTO(font, "null font", ret);
5951 c = (AwtComponent *)pData;
5952 if (::IsWindow(c->GetHWnd()))
5953 {
5954 AwtFont *awtFont = (AwtFont *)env->GetLongField(font, AwtFont::pDataID);
5955 if (awtFont == NULL) {
5956 /*arguments of AwtFont::Create are changed for multifont component */
5957 awtFont = AwtFont::Create(env, font);
5958 }
5959 env->SetLongField(font, AwtFont::pDataID, (jlong)awtFont);
5960
5961 c->SetFont(awtFont);
5962 }
5963 ret:
5964 env->DeleteGlobalRef(self);
5965 env->DeleteGlobalRef(font);
5966
5967 delete sfs;
5968 }
5969
5970 // Sets or kills focus for a component.
5971 void AwtComponent::_SetFocus(void *param)
5972 {
5973 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
5974
5975 SetFocusStruct *sfs = (SetFocusStruct *)param;
5976 jobject self = sfs->component;
5977 jboolean doSetFocus = sfs->doSetFocus;
5978
5979 AwtComponent *c = NULL;
5980
5981 PDATA pData;
5982 JNI_CHECK_NULL_GOTO(self, "peer", ret);
5983 pData = JNI_GET_PDATA(self);
5984 if (pData == NULL) {
5985 // do nothing just return false
5986 goto ret;
5987 }
5988
5989 c = (AwtComponent *)pData;
5990 if (::IsWindow(c->GetHWnd())) {
5991 c->SendMessage(WM_AWT_COMPONENT_SETFOCUS, (WPARAM)doSetFocus, 0);
5992 }
5993 ret:
5994 env->DeleteGlobalRef(self);
5995
5996 delete sfs;
5997 }
5998
5999 void AwtComponent::_Start(void *param)
6000 {
6001 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6002
6003 jobject self = (jobject)param;
6004
6005 AwtComponent *c = NULL;
6006
6007 PDATA pData;
6008 JNI_CHECK_PEER_GOTO(self, ret);
6009 c = (AwtComponent *)pData;
6010 if (::IsWindow(c->GetHWnd()))
6011 {
6012 jobject target = c->GetTarget(env);
6013
6014 /* Disable window if specified -- windows are enabled by default. */
6015 jboolean enabled = (jboolean)env->GetBooleanField(target,
6016 AwtComponent::enabledID);
6017 if (!enabled) {
6018 ::EnableWindow(c->GetHWnd(), FALSE);
6019 }
6020
6021 /* The peer is now ready for callbacks, since this is the last
6022 * initialization call
6023 */
6024 c->EnableCallbacks(TRUE);
6025
6026 // Fix 4745222: we need to invalidate region since we validated it before initialization.
6027 ::InvalidateRgn(c->GetHWnd(), NULL, FALSE);
6028
6029 // Fix 4530093: WM_PAINT after EnableCallbacks
6030 ::UpdateWindow(c->GetHWnd());
6031
6032 env->DeleteLocalRef(target);
6033 }
6034 ret:
6035 env->DeleteGlobalRef(self);
6036 }
6037
6038 void AwtComponent::_BeginValidate(void *param)
6039 {
6040 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6041 if (AwtToolkit::IsMainThread()) {
6042 jobject self = (jobject)param;
6043 if (self != NULL) {
6044 PDATA pData = JNI_GET_PDATA(self);
6045 if (pData) {
6046 AwtComponent *c = (AwtComponent *)pData;
6047 if (::IsWindow(c->GetHWnd())) {
6048 c->SendMessage(WM_AWT_BEGIN_VALIDATE);
6049 }
6050 }
6051 env->DeleteGlobalRef(self);
6052 }
6053 } else {
6054 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_BeginValidate, param);
6055 }
6056 }
6057
6058 void AwtComponent::_EndValidate(void *param)
6059 {
6060 if (AwtToolkit::IsMainThread()) {
6061 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6062 jobject self = (jobject)param;
6063 if (self != NULL) {
6064 PDATA pData = JNI_GET_PDATA(self);
6065 if (pData) {
6066 AwtComponent *c = (AwtComponent *)pData;
6067 if (::IsWindow(c->GetHWnd())) {
6068 c->SendMessage(WM_AWT_END_VALIDATE);
6069 }
6070 }
6071 env->DeleteGlobalRef(self);
6072 }
6073 } else {
6074 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_EndValidate, param);
6075 }
6076 }
6077
6078 void AwtComponent::_UpdateWindow(void *param)
6079 {
6080 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6081 if (AwtToolkit::IsMainThread()) {
6082 jobject self = (jobject)param;
6083 AwtComponent *c = NULL;
6084 PDATA pData;
6085 JNI_CHECK_PEER_GOTO(self, ret);
6086 c = (AwtComponent *)pData;
6087 if (::IsWindow(c->GetHWnd())) {
6088 ::UpdateWindow(c->GetHWnd());
6089 }
6090 ret:
6091 env->DeleteGlobalRef(self);
6092 } else {
6093 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_UpdateWindow, param);
6094 }
6095 }
6096
6097 jlong AwtComponent::_AddNativeDropTarget(void *param)
6098 {
6099 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6100
6101 jobject self = (jobject)param;
6102
6103 jlong result = 0;
6104 AwtComponent *c = NULL;
6105
6106 PDATA pData;
6107 JNI_CHECK_PEER_GOTO(self, ret);
6108 c = (AwtComponent *)pData;
6109 if (::IsWindow(c->GetHWnd()))
6110 {
6111 result = (jlong)(c->CreateDropTarget(env));
6112 }
6113 ret:
6114 env->DeleteGlobalRef(self);
6115
6116 return result;
6117 }
6118
6119 void AwtComponent::_RemoveNativeDropTarget(void *param)
6120 {
6121 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6122
6123 jobject self = (jobject)param;
6124
6125 AwtComponent *c = NULL;
6126
6127 PDATA pData;
6128 JNI_CHECK_PEER_GOTO(self, ret);
6129 c = (AwtComponent *)pData;
6130 if (::IsWindow(c->GetHWnd()))
6131 {
6132 c->DestroyDropTarget();
6133 }
6134 ret:
6135 env->DeleteGlobalRef(self);
6136 }
6137
6138 jintArray AwtComponent::_CreatePrintedPixels(void *param)
6139 {
6140 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6141
6142 CreatePrintedPixelsStruct *cpps = (CreatePrintedPixelsStruct *)param;
6143 jobject self = cpps->component;
6144
6145 jintArray result = NULL;
6146 AwtComponent *c = NULL;
6147
6148 PDATA pData;
6149 JNI_CHECK_PEER_GOTO(self, ret);
6150 c = (AwtComponent *)pData;
6151 if (::IsWindow(c->GetHWnd()))
6152 {
6153 result = (jintArray)c->SendMessage(WM_AWT_CREATE_PRINTED_PIXELS, (WPARAM)cpps, 0);
6154 }
6155 ret:
6156 env->DeleteGlobalRef(self);
6157
6158 delete cpps;
6159 return result; // this reference is global
6160 }
6161
6162 jboolean AwtComponent::_IsObscured(void *param)
6163 {
6164 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6165
6166 jobject self = (jobject)param;
6167
6168 jboolean result = JNI_FALSE;
6169 AwtComponent *c = NULL;
6170
6171 PDATA pData;
6172 JNI_CHECK_PEER_GOTO(self, ret);
6173
6174 c = (AwtComponent *)pData;
6175
6176 if (::IsWindow(c->GetHWnd()))
6177 {
6178 HWND hWnd = c->GetHWnd();
6179 HDC hDC = ::GetDC(hWnd);
6180 RECT clipbox;
6181 int callresult = ::GetClipBox(hDC, &clipbox);
6182 switch(callresult) {
6183 case NULLREGION :
6184 result = JNI_FALSE;
6185 break;
6186 case SIMPLEREGION : {
6187 RECT windowRect;
6188 if (!::GetClientRect(hWnd, &windowRect)) {
6189 result = JNI_TRUE;
6190 } else {
6191 result = (jboolean)((clipbox.bottom != windowRect.bottom)
6192 || (clipbox.left != windowRect.left)
6193 || (clipbox.right != windowRect.right)
6194 || (clipbox.top != windowRect.top));
6195 }
6196 break;
6197 }
6198 case COMPLEXREGION :
6199 default :
6200 result = JNI_TRUE;
6201 break;
6202 }
6203 ::ReleaseDC(hWnd, hDC);
6204 }
6205 ret:
6206 env->DeleteGlobalRef(self);
6207
6208 return result;
6209 }
6210
6211 jboolean AwtComponent::_NativeHandlesWheelScrolling(void *param)
6212 {
6213 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6214
6215 jobject self = (jobject)param;
6216
6217 jboolean result = JNI_FALSE;
6218 AwtComponent *c = NULL;
6219
6220 PDATA pData;
6221 JNI_CHECK_PEER_GOTO(self, ret);
6222 c = (AwtComponent *)pData;
6223 if (::IsWindow(c->GetHWnd()))
6224 {
6225 result = JNI_IS_TRUE(c->InheritsNativeMouseWheelBehavior());
6226 }
6227 ret:
6228 env->DeleteGlobalRef(self);
6229
6230 return result;
6231 }
6232
6233 void AwtComponent::SetParent(void * param) {
6234 if (AwtToolkit::IsMainThread()) {
6235 AwtComponent** comps = (AwtComponent**)param;
6236 if ((comps[0] != NULL) && (comps[1] != NULL)) {
6237 HWND selfWnd = comps[0]->GetHWnd();
6238 HWND parentWnd = comps[1]->GetHWnd();
6239 if (::IsWindow(selfWnd) && ::IsWindow(parentWnd)) {
6240 // Shouldn't trigger native focus change
6241 // (only the proxy may be the native focus owner).
6242 ::SetParent(selfWnd, parentWnd);
6243 }
6244 }
6245 delete[] comps;
6246 } else {
6247 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::SetParent, param);
6248 }
6249 }
6250
6251 void AwtComponent::_SetRectangularShape(void *param)
6252 {
6253 if (!AwtToolkit::IsMainThread()) {
6254 AwtToolkit::GetInstance().InvokeFunction(AwtComponent::_SetRectangularShape, param);
6255 } else {
6256 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6257
6258 SetRectangularShapeStruct *data = (SetRectangularShapeStruct *)param;
6259 jobject self = data->component;
6260 jint x1 = data->x1;
6261 jint x2 = data->x2;
6262 jint y1 = data->y1;
6263 jint y2 = data->y2;
6264 jobject region = data->region;
6265
6266 AwtComponent *c = NULL;
6267
6268 PDATA pData;
6269 JNI_CHECK_PEER_GOTO(self, ret);
6270
6271 c = (AwtComponent *)pData;
6272 if (::IsWindow(c->GetHWnd())) {
6273 HRGN hRgn = NULL;
6274
6275 // If all the params are zeros, the shape must be simply reset.
6276 // Otherwise, convert it into a region.
6277 if (region || x1 || x2 || y1 || y2) {
6278 RECT_T rects[256];
6279 RECT_T *pRect = rects;
6280
6281 const int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2,
6282 region, &pRect, sizeof(rects)/sizeof(rects[0]));
6283 if (!pRect) {
6284 // RegionToYXBandedRectangles doesn't use safe_Malloc(),
6285 // so throw the exception explicitly
6286 throw std::bad_alloc();
6287 }
6288
6289 RGNDATA *pRgnData = (RGNDATA *) SAFE_SIZE_STRUCT_ALLOC(safe_Malloc,
6290 sizeof(RGNDATAHEADER), sizeof(RECT_T), numrects);
6291 memcpy((BYTE*)pRgnData + sizeof(RGNDATAHEADER), pRect, sizeof(RECT_T) * numrects);
6292 if (pRect != rects) {
6293 free(pRect);
6294 }
6295 pRect = NULL;
6296
6297 RGNDATAHEADER *pRgnHdr = (RGNDATAHEADER *) pRgnData;
6298 pRgnHdr->dwSize = sizeof(RGNDATAHEADER);
6299 pRgnHdr->iType = RDH_RECTANGLES;
6300 pRgnHdr->nRgnSize = 0;
6301 pRgnHdr->rcBound.top = 0;
6302 pRgnHdr->rcBound.left = 0;
6303 pRgnHdr->rcBound.bottom = LONG(y2 - y1);
6304 pRgnHdr->rcBound.right = LONG(x2 - x1);
6305 pRgnHdr->nCount = numrects;
6306
6307 hRgn = ::ExtCreateRegion(NULL,
6308 sizeof(RGNDATAHEADER) + sizeof(RECT_T) * pRgnHdr->nCount, pRgnData);
6309
6310 free(pRgnData);
6311 }
6312
6313 ::SetWindowRgn(c->GetHWnd(), hRgn, TRUE);
6314 }
6315
6316 ret:
6317 env->DeleteGlobalRef(self);
6318 if (region) {
6319 env->DeleteGlobalRef(region);
6320 }
6321
6322 delete data;
6323 }
6324 }
6325
6326 void AwtComponent::_SetZOrder(void *param) {
6327 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6328
6329 SetZOrderStruct *data = (SetZOrderStruct *)param;
6330 jobject self = data->component;
6331 HWND above = HWND_TOP;
6332 if (data->above != 0) {
6333 above = reinterpret_cast<HWND>(data->above);
6334 }
6335
6336 AwtComponent *c = NULL;
6337
6338 PDATA pData;
6339 JNI_CHECK_PEER_GOTO(self, ret);
6340
6341 c = (AwtComponent *)pData;
6342 if (::IsWindow(c->GetHWnd())) {
6343 ::SetWindowPos(c->GetHWnd(), above, 0, 0, 0, 0,
6344 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS);
6345 }
6346
6347 ret:
6348 env->DeleteGlobalRef(self);
6349
6350 delete data;
6351 }
6352
6353 void AwtComponent::PostUngrabEvent() {
6354 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6355 jobject target = GetTarget(env);
6356 jobject event = JNU_NewObjectByName(env, "sun/awt/UngrabEvent", "(Ljava/awt/Component;)V",
6357 target);
6358 if (safe_ExceptionOccurred(env)) {
6359 env->ExceptionDescribe();
6360 env->ExceptionClear();
6361 }
6362 env->DeleteLocalRef(target);
6363 if (event != NULL) {
6364 SendEvent(event);
6365 env->DeleteLocalRef(event);
6366 }
6367 }
6368
6369 void AwtComponent::SetFocusedWindow(HWND window)
6370 {
6371 HWND old = sm_focusedWindow;
6372 sm_focusedWindow = window;
6373
6374 AwtWindow::FocusedWindowChanged(old, window);
6375 }
6376
6377 /************************************************************************
6378 * Component native methods
6379 */
6380
6381 extern "C" {
6382
6383 /**
6384 * This method is called from the WGL pipeline when it needs to retrieve
6385 * the HWND associated with a ComponentPeer's C++ level object.
6386 */
6387 HWND
6388 AwtComponent_GetHWnd(JNIEnv *env, jlong pData)
6389 {
6390 AwtComponent *p = (AwtComponent *)jlong_to_ptr(pData);
6391 if (p == NULL) {
6392 return (HWND)0;
6393 }
6394 return p->GetHWnd();
6395 }
6396
6397 static void _GetInsets(void* param)
6398 {
6399 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
6400
6401 GetInsetsStruct *gis = (GetInsetsStruct *)param;
6402 jobject self = gis->window;
6403
6404 gis->insets->left = gis->insets->top =
6405 gis->insets->right = gis->insets->bottom = 0;
6406
6407 PDATA pData;
6408 JNI_CHECK_PEER_GOTO(self, ret);
6409 AwtComponent *component = (AwtComponent *)pData;
6410
6411 component->GetInsets(gis->insets);
6412
6413 ret:
6414 env->DeleteGlobalRef(self);
6415 delete gis;
6416 }
6417
6418 /**
6419 * This method is called from the WGL pipeline when it needs to retrieve
6420 * the insets associated with a ComponentPeer's C++ level object.
6421 */
6422 void AwtComponent_GetInsets(JNIEnv *env, jobject peer, RECT *insets)
6423 {
6424 TRY;
6425
6426 GetInsetsStruct *gis = new GetInsetsStruct;
6427 gis->window = env->NewGlobalRef(peer);
6428 gis->insets = insets;
6429
6430 AwtToolkit::GetInstance().InvokeFunction(_GetInsets, gis);
6431 // global refs and mds are deleted in _UpdateWindow
6432
6433 CATCH_BAD_ALLOC;
6434
6435 }
6436
6437 JNIEXPORT void JNICALL
6438 Java_java_awt_Component_initIDs(JNIEnv *env, jclass cls)
6439 {
6440 TRY;
6441 jclass inputEventClazz = env->FindClass("java/awt/event/InputEvent");
6442 CHECK_NULL(inputEventClazz);
6443 jmethodID getButtonDownMasksID = env->GetStaticMethodID(inputEventClazz, "getButtonDownMasks", "()[I");
6444 CHECK_NULL(getButtonDownMasksID);
6445 jintArray obj = (jintArray)env->CallStaticObjectMethod(inputEventClazz, getButtonDownMasksID);
6446 jint * tmp = env->GetIntArrayElements(obj, JNI_FALSE);
6447 CHECK_NULL(tmp);
6448 jsize len = env->GetArrayLength(obj);
6449 AwtComponent::masks = SAFE_SIZE_NEW_ARRAY(jint, len);
6450 for (int i = 0; i < len; i++) {
6451 AwtComponent::masks[i] = tmp[i];
6452 }
6453 env->ReleaseIntArrayElements(obj, tmp, 0);
6454 env->DeleteLocalRef(obj);
6455
6456 /* class ids */
6457 jclass peerCls = env->FindClass("sun/awt/windows/WComponentPeer");
6458
6459 DASSERT(peerCls);
6460 CHECK_NULL(peerCls);
6461
6462 /* field ids */
6463 AwtComponent::peerID =
6464 env->GetFieldID(cls, "peer", "Ljava/awt/peer/ComponentPeer;");
6465 DASSERT(AwtComponent::peerID);
6466 CHECK_NULL(AwtComponent::peerID);
6467
6468 AwtComponent::xID = env->GetFieldID(cls, "x", "I");
6469 DASSERT(AwtComponent::xID);
6470 CHECK_NULL(AwtComponent::xID);
6471
6472 AwtComponent::yID = env->GetFieldID(cls, "y", "I");
6473 DASSERT(AwtComponent::yID);
6474 CHECK_NULL(AwtComponent::yID);
6475
6476 AwtComponent::heightID = env->GetFieldID(cls, "height", "I");
6477 DASSERT(AwtComponent::heightID);
6478 CHECK_NULL(AwtComponent::heightID);
6479
6480 AwtComponent::widthID = env->GetFieldID(cls, "width", "I");
6481 DASSERT(AwtComponent::widthID);
6482 CHECK_NULL(AwtComponent::widthID);
6483
6484 AwtComponent::visibleID = env->GetFieldID(cls, "visible", "Z");
6485 DASSERT(AwtComponent::visibleID);
6486 CHECK_NULL(AwtComponent::visibleID);
6487
6488 AwtComponent::backgroundID =
6489 env->GetFieldID(cls, "background", "Ljava/awt/Color;");
6490 DASSERT(AwtComponent::backgroundID);
6491 CHECK_NULL(AwtComponent::backgroundID);
6492
6493 AwtComponent::foregroundID =
6494 env->GetFieldID(cls, "foreground", "Ljava/awt/Color;");
6495 DASSERT(AwtComponent::foregroundID);
6496 CHECK_NULL(AwtComponent::foregroundID);
6497
6498 AwtComponent::enabledID = env->GetFieldID(cls, "enabled", "Z");
6499 DASSERT(AwtComponent::enabledID);
6500 CHECK_NULL(AwtComponent::enabledID);
6501
6502 AwtComponent::parentID = env->GetFieldID(cls, "parent", "Ljava/awt/Container;");
6503 DASSERT(AwtComponent::parentID);
6504 CHECK_NULL(AwtComponent::parentID);
6505
6506 AwtComponent::graphicsConfigID =
6507 env->GetFieldID(cls, "graphicsConfig", "Ljava/awt/GraphicsConfiguration;");
6508 DASSERT(AwtComponent::graphicsConfigID);
6509 CHECK_NULL(AwtComponent::graphicsConfigID);
6510
6511 AwtComponent::focusableID = env->GetFieldID(cls, "focusable", "Z");
6512 DASSERT(AwtComponent::focusableID);
6513 CHECK_NULL(AwtComponent::focusableID);
6514
6515 AwtComponent::appContextID = env->GetFieldID(cls, "appContext",
6516 "Lsun/awt/AppContext;");
6517 DASSERT(AwtComponent::appContextID);
6518 CHECK_NULL(AwtComponent::appContextID);
6519
6520 AwtComponent::peerGCID = env->GetFieldID(peerCls, "winGraphicsConfig",
6521 "Lsun/awt/Win32GraphicsConfig;");
6522 DASSERT(AwtComponent::peerGCID);
6523 CHECK_NULL(AwtComponent::peerGCID);
6524
6525 AwtComponent::hwndID = env->GetFieldID(peerCls, "hwnd", "J");
6526 DASSERT(AwtComponent::hwndID);
6527 CHECK_NULL(AwtComponent::hwndID);
6528
6529 AwtComponent::cursorID = env->GetFieldID(cls, "cursor", "Ljava/awt/Cursor;");
6530 DASSERT(AwtComponent::cursorID);
6531 CHECK_NULL(AwtComponent::cursorID);
6532
6533 /* method ids */
6534 AwtComponent::getFontMID =
6535 env->GetMethodID(cls, "getFont_NoClientCode", "()Ljava/awt/Font;");
6536 DASSERT(AwtComponent::getFontMID);
6537 CHECK_NULL(AwtComponent::getFontMID);
6538
6539 AwtComponent::getToolkitMID =
6540 env->GetMethodID(cls, "getToolkitImpl", "()Ljava/awt/Toolkit;");
6541 DASSERT(AwtComponent::getToolkitMID);
6542 CHECK_NULL(AwtComponent::getToolkitMID);
6543
6544 AwtComponent::isEnabledMID = env->GetMethodID(cls, "isEnabledImpl", "()Z");
6545 DASSERT(AwtComponent::isEnabledMID);
6546 CHECK_NULL(AwtComponent::isEnabledMID);
6547
6548 AwtComponent::getLocationOnScreenMID =
6549 env->GetMethodID(cls, "getLocationOnScreen_NoTreeLock", "()Ljava/awt/Point;");
6550 DASSERT(AwtComponent::getLocationOnScreenMID);
6551 CHECK_NULL(AwtComponent::getLocationOnScreenMID);
6552
6553 AwtComponent::replaceSurfaceDataMID =
6554 env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
6555 DASSERT(AwtComponent::replaceSurfaceDataMID);
6556 CHECK_NULL(AwtComponent::replaceSurfaceDataMID);
6557
6558 AwtComponent::replaceSurfaceDataLaterMID =
6559 env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
6560 DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
6561 CHECK_NULL(AwtComponent::replaceSurfaceDataLaterMID);
6562
6563 AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
6564 DASSERT(AwtComponent::disposeLaterMID);
6565 CHECK_NULL(AwtComponent::disposeLaterMID);
6566
6567 CATCH_BAD_ALLOC;
6568 }
6569
6570 } /* extern "C" */
6571
6572
6573 /************************************************************************
6574 * ComponentPeer native methods
6575 */
6576
6577 extern "C" {
6578
6579 /*
6580 * Class: sun_awt_windows_WComponentPeer
6581 * Method: pShow
6582 * Signature: ()V
6583 */
6584 JNIEXPORT void JNICALL
6585 Java_sun_awt_windows_WComponentPeer_pShow(JNIEnv *env, jobject self)
6586 {
6587 TRY;
6588
6589 jobject selfGlobalRef = env->NewGlobalRef(self);
6590
6591 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Show, (void *)selfGlobalRef);
6592 // selfGlobalRef is deleted in _Show
6593
6594 CATCH_BAD_ALLOC;
6595 }
6596
6597 /*
6598 * Class: sun_awt_windows_WComponentPeer
6599 * Method: hide
6600 * Signature: ()V
6601 */
6602 JNIEXPORT void JNICALL
6603 Java_sun_awt_windows_WComponentPeer_hide(JNIEnv *env, jobject self)
6604 {
6605 TRY;
6606
6607 jobject selfGlobalRef = env->NewGlobalRef(self);
6608
6609 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Hide, (void *)selfGlobalRef);
6610 // selfGlobalRef is deleted in _Hide
6611
6612 CATCH_BAD_ALLOC;
6613 }
6614
6615 /*
6616 * Class: sun_awt_windows_WComponentPeer
6617 * Method: enable
6618 * Signature: ()V
6619 */
6620 JNIEXPORT void JNICALL
6621 Java_sun_awt_windows_WComponentPeer_enable(JNIEnv *env, jobject self)
6622 {
6623 TRY;
6624
6625 jobject selfGlobalRef = env->NewGlobalRef(self);
6626
6627 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Enable, (void *)selfGlobalRef);
6628 // selfGlobalRef is deleted in _Enable
6629
6630 CATCH_BAD_ALLOC;
6631 }
6632
6633 /*
6634 * Class: sun_awt_windows_WComponentPeer
6635 * Method: disable
6636 * Signature: ()V
6637 */
6638 JNIEXPORT void JNICALL
6639 Java_sun_awt_windows_WComponentPeer_disable(JNIEnv *env, jobject self)
6640 {
6641 TRY;
6642
6643 jobject selfGlobalRef = env->NewGlobalRef(self);
6644
6645 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Disable, (void *)selfGlobalRef);
6646 // selfGlobalRef is deleted in _Disable
6647
6648 CATCH_BAD_ALLOC;
6649 }
6650
6651 /*
6652 * Class: sun_awt_windows_WComponentPeer
6653 * Method: getLocationOnScreen
6654 * Signature: ()Ljava/awt/Point;
6655 */
6656 JNIEXPORT jobject JNICALL
6657 Java_sun_awt_windows_WComponentPeer_getLocationOnScreen(JNIEnv *env, jobject self)
6658 {
6659 TRY;
6660
6661 jobject selfGlobalRef = env->NewGlobalRef(self);
6662
6663 jobject resultGlobalRef = (jobject)AwtToolkit::GetInstance().SyncCall(
6664 (void*(*)(void*))AwtComponent::_GetLocationOnScreen, (void *)selfGlobalRef);
6665 // selfGlobalRef is deleted in _GetLocationOnScreen
6666 if (resultGlobalRef != NULL)
6667 {
6668 jobject resultLocalRef = env->NewLocalRef(resultGlobalRef);
6669 env->DeleteGlobalRef(resultGlobalRef);
6670 return resultLocalRef;
6671 }
6672
6673 return NULL;
6674
6675 CATCH_BAD_ALLOC_RET(NULL);
6676 }
6677
6678 /*
6679 * Class: sun_awt_windows_WComponentPeer
6680 * Method: reshape
6681 * Signature: (IIII)V
6682 */
6683 JNIEXPORT void JNICALL
6684 Java_sun_awt_windows_WComponentPeer_reshape(JNIEnv *env, jobject self,
6685 jint x, jint y, jint w, jint h)
6686 {
6687 TRY;
6688
6689 ReshapeStruct *rs = new ReshapeStruct;
6690 rs->component = env->NewGlobalRef(self);
6691 rs->x = x;
6692 rs->y = y;
6693 rs->w = w;
6694 rs->h = h;
6695
6696 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Reshape, rs);
6697 // global ref and rs are deleted in _Reshape
6698
6699 CATCH_BAD_ALLOC;
6700 }
6701
6702 /*
6703 * Class: sun_awt_windows_WComponentPeer
6704 * Method: reshape
6705 * Signature: (IIII)V
6706 */
6707 JNIEXPORT void JNICALL
6708 Java_sun_awt_windows_WComponentPeer_reshapeNoCheck(JNIEnv *env, jobject self,
6709 jint x, jint y, jint w, jint h)
6710 {
6711 TRY;
6712
6713 ReshapeStruct *rs = new ReshapeStruct;
6714 rs->component = env->NewGlobalRef(self);
6715 rs->x = x;
6716 rs->y = y;
6717 rs->w = w;
6718 rs->h = h;
6719
6720 AwtToolkit::GetInstance().SyncCall(AwtComponent::_ReshapeNoCheck, rs);
6721 // global ref and rs are deleted in _ReshapeNoCheck
6722
6723 CATCH_BAD_ALLOC;
6724 }
6725
6726
6727 /*
6728 * Class: sun_awt_windows_WComponentPeer
6729 * Method: nativeHandleEvent
6730 * Signature: (Ljava/awt/AWTEvent;)V
6731 */
6732 JNIEXPORT void JNICALL
6733 Java_sun_awt_windows_WComponentPeer_nativeHandleEvent(JNIEnv *env,
6734 jobject self,
6735 jobject event)
6736 {
6737 TRY;
6738
6739 jobject selfGlobalRef = env->NewGlobalRef(self);
6740 jobject eventGlobalRef = env->NewGlobalRef(event);
6741
6742 NativeHandleEventStruct *nhes = new NativeHandleEventStruct;
6743 nhes->component = selfGlobalRef;
6744 nhes->event = eventGlobalRef;
6745
6746 AwtToolkit::GetInstance().SyncCall(AwtComponent::_NativeHandleEvent, nhes);
6747 // global refs and nhes are deleted in _NativeHandleEvent
6748
6749 CATCH_BAD_ALLOC;
6750 }
6751
6752 /*
6753 * Class: sun_awt_windows_WComponentPeer
6754 * Method: _dispose
6755 * Signature: ()V
6756 */
6757 JNIEXPORT void JNICALL
6758 Java_sun_awt_windows_WComponentPeer__1dispose(JNIEnv *env, jobject self)
6759 {
6760 TRY_NO_HANG;
6761
6762 AwtObject::_Dispose(self);
6763
6764 CATCH_BAD_ALLOC;
6765 }
6766
6767 /*
6768 * Class: sun_awt_windows_WComponentPeer
6769 * Method: _setForeground
6770 * Signature: (I)V
6771 */
6772 JNIEXPORT void JNICALL
6773 Java_sun_awt_windows_WComponentPeer__1setForeground(JNIEnv *env, jobject self,
6774 jint rgb)
6775 {
6776 TRY;
6777
6778 jobject selfGlobalRef = env->NewGlobalRef(self);
6779
6780 SetColorStruct *scs = new SetColorStruct;
6781 scs->component = selfGlobalRef;
6782 scs->rgb = rgb;
6783
6784 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetForeground, scs);
6785 // selfGlobalRef and scs are deleted in _SetForeground()
6786
6787 CATCH_BAD_ALLOC;
6788 }
6789
6790 /*
6791 * Class: sun_awt_windows_WComponentPeer
6792 * Method: _setBackground
6793 * Signature: (I)V
6794 */
6795 JNIEXPORT void JNICALL
6796 Java_sun_awt_windows_WComponentPeer__1setBackground(JNIEnv *env, jobject self,
6797 jint rgb)
6798 {
6799 TRY;
6800
6801 jobject selfGlobalRef = env->NewGlobalRef(self);
6802
6803 SetColorStruct *scs = new SetColorStruct;
6804 scs->component = selfGlobalRef;
6805 scs->rgb = rgb;
6806
6807 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetBackground, scs);
6808 // selfGlobalRef and scs are deleted in _SetBackground()
6809
6810 CATCH_BAD_ALLOC;
6811 }
6812
6813 /*
6814 * Class: sun_awt_windows_WComponentPeer
6815 * Method: _setFont
6816 * Signature: (Ljava/awt/Font;)V
6817 */
6818 JNIEXPORT void JNICALL
6819 Java_sun_awt_windows_WComponentPeer__1setFont(JNIEnv *env, jobject self,
6820 jobject font)
6821 {
6822 TRY;
6823
6824 jobject selfGlobalRef = env->NewGlobalRef(self);
6825 jobject fontGlobalRef = env->NewGlobalRef(font);
6826
6827 SetFontStruct *sfs = new SetFontStruct;
6828 sfs->component = selfGlobalRef;
6829 sfs->font = fontGlobalRef;
6830
6831 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetFont, sfs);
6832 // global refs and sfs are deleted in _SetFont()
6833
6834 CATCH_BAD_ALLOC;
6835 }
6836
6837 /*
6838 * Class: sun_awt_windows_WComponentPeer
6839 * Method: focusGained
6840 * Signature: (Z)
6841 */
6842 JNIEXPORT void JNICALL Java_sun_awt_windows_WComponentPeer_setFocus
6843 (JNIEnv *env, jobject self, jboolean doSetFocus)
6844 {
6845 TRY;
6846
6847 jobject selfGlobalRef = env->NewGlobalRef(self);
6848
6849 SetFocusStruct *sfs = new SetFocusStruct;
6850 sfs->component = selfGlobalRef;
6851 sfs->doSetFocus = doSetFocus;
6852
6853 AwtToolkit::GetInstance().SyncCall(
6854 (void*(*)(void*))AwtComponent::_SetFocus, sfs);
6855 // global refs and self are deleted in _SetFocus
6856
6857 CATCH_BAD_ALLOC;
6858 }
6859
6860 /*
6861 * Class: sun_awt_windows_WComponentPeer
6862 * Method: start
6863 * Signature: ()V
6864 */
6865 JNIEXPORT void JNICALL
6866 Java_sun_awt_windows_WComponentPeer_start(JNIEnv *env, jobject self)
6867 {
6868 TRY;
6869
6870 jobject selfGlobalRef = env->NewGlobalRef(self);
6871
6872 AwtToolkit::GetInstance().SyncCall(AwtComponent::_Start, (void *)selfGlobalRef);
6873 // selfGlobalRef is deleted in _Start
6874
6875 CATCH_BAD_ALLOC;
6876 }
6877
6878 /*
6879 * Class: sun_awt_windows_WComponentPeer
6880 * Method: beginValidate
6881 * Signature: ()V
6882 */
6883 JNIEXPORT void JNICALL
6884 Java_sun_awt_windows_WComponentPeer_beginValidate(JNIEnv *env, jobject self)
6885 {
6886 TRY;
6887
6888 jobject selfGlobalRef = env->NewGlobalRef(self);
6889
6890 AwtToolkit::GetInstance().SyncCall(AwtComponent::_BeginValidate, (void *)selfGlobalRef);
6891 // selfGlobalRef is deleted in _BeginValidate
6892
6893 CATCH_BAD_ALLOC;
6894 }
6895
6896 /*
6897 * Class: sun_awt_windows_WComponentPeer
6898 * Method: endValidate
6899 * Signature: ()V
6900 */
6901 JNIEXPORT void JNICALL
6902 Java_sun_awt_windows_WComponentPeer_endValidate(JNIEnv *env, jobject self)
6903 {
6904 TRY;
6905
6906 jobject selfGlobalRef = env->NewGlobalRef(self);
6907
6908 AwtToolkit::GetInstance().SyncCall(AwtComponent::_EndValidate, (void *)selfGlobalRef);
6909 // selfGlobalRef is deleted in _EndValidate
6910
6911 CATCH_BAD_ALLOC;
6912 }
6913
6914 JNIEXPORT void JNICALL
6915 Java_sun_awt_windows_WComponentPeer_updateWindow(JNIEnv *env, jobject self)
6916 {
6917 TRY;
6918
6919 jobject selfGlobalRef = env->NewGlobalRef(self);
6920
6921 AwtToolkit::GetInstance().SyncCall(AwtComponent::_UpdateWindow, (void *)selfGlobalRef);
6922 // selfGlobalRef is deleted in _UpdateWindow
6923
6924 CATCH_BAD_ALLOC;
6925 }
6926
6927 /*
6928 * Class: sun_awt_windows_WComponentPeer
6929 * Method: addNativeDropTarget
6930 * Signature: ()L
6931 */
6932
6933 JNIEXPORT jlong JNICALL
6934 Java_sun_awt_windows_WComponentPeer_addNativeDropTarget(JNIEnv *env,
6935 jobject self)
6936 {
6937 TRY;
6938
6939 jobject selfGlobalRef = env->NewGlobalRef(self);
6940
6941 return ptr_to_jlong(AwtToolkit::GetInstance().SyncCall(
6942 (void*(*)(void*))AwtComponent::_AddNativeDropTarget,
6943 (void *)selfGlobalRef));
6944 // selfGlobalRef is deleted in _AddNativeDropTarget
6945
6946 CATCH_BAD_ALLOC_RET(0);
6947 }
6948
6949 /*
6950 * Class: sun_awt_windows_WComponentPeer
6951 * Method: removeNativeDropTarget
6952 * Signature: ()V
6953 */
6954
6955 JNIEXPORT void JNICALL
6956 Java_sun_awt_windows_WComponentPeer_removeNativeDropTarget(JNIEnv *env,
6957 jobject self)
6958 {
6959 TRY;
6960
6961 jobject selfGlobalRef = env->NewGlobalRef(self);
6962
6963 AwtToolkit::GetInstance().SyncCall(
6964 AwtComponent::_RemoveNativeDropTarget, (void *)selfGlobalRef);
6965 // selfGlobalRef is deleted in _RemoveNativeDropTarget
6966
6967 CATCH_BAD_ALLOC;
6968 }
6969
6970 /*
6971 * Class: sun_awt_windows_WComponentPeer
6972 * Method: getTargetGC
6973 * Signature: ()Ljava/awt/GraphicsConfiguration;
6974 */
6975 JNIEXPORT jobject JNICALL
6976 Java_sun_awt_windows_WComponentPeer_getTargetGC(JNIEnv* env, jobject theThis)
6977 {
6978 TRY;
6979
6980 jobject targetObj;
6981 jobject gc = 0;
6982
6983 targetObj = env->GetObjectField(theThis, AwtObject::targetID);
6984 DASSERT(targetObj);
6985
6986 gc = env->GetObjectField(targetObj, AwtComponent::graphicsConfigID);
6987 return gc;
6988
6989 CATCH_BAD_ALLOC_RET(NULL);
6990 }
6991
6992 /*
6993 * Class: sun_awt_windows_WComponentPeer
6994 * Method: createPrintedPixels
6995 * Signature: (IIIIII)I[
6996 */
6997 JNIEXPORT jintArray JNICALL
6998 Java_sun_awt_windows_WComponentPeer_createPrintedPixels(JNIEnv* env,
6999 jobject self, jint srcX, jint srcY, jint srcW, jint srcH, jint alpha)
7000 {
7001 TRY;
7002
7003 jobject selfGlobalRef = env->NewGlobalRef(self);
7004
7005 CreatePrintedPixelsStruct *cpps = new CreatePrintedPixelsStruct;
7006 cpps->component = selfGlobalRef;
7007 cpps->srcx = srcX;
7008 cpps->srcy = srcY;
7009 cpps->srcw = srcW;
7010 cpps->srch = srcH;
7011 cpps->alpha = alpha;
7012
7013 jintArray globalRef = (jintArray)AwtToolkit::GetInstance().SyncCall(
7014 (void*(*)(void*))AwtComponent::_CreatePrintedPixels, cpps);
7015 // selfGlobalRef and cpps are deleted in _CreatePrintedPixels
7016 if (globalRef != NULL)
7017 {
7018 jintArray localRef = (jintArray)env->NewLocalRef(globalRef);
7019 env->DeleteGlobalRef(globalRef);
7020 return localRef;
7021 }
7022 else
7023 {
7024 return NULL;
7025 }
7026
7027 CATCH_BAD_ALLOC_RET(NULL);
7028 }
7029
7030 /*
7031 * Class: sun_awt_windows_WComponentPeer
7032 * Method: nativeHandlesWheelScrolling
7033 * Signature: ()Z
7034 */
7035 JNIEXPORT jboolean JNICALL
7036 Java_sun_awt_windows_WComponentPeer_nativeHandlesWheelScrolling (JNIEnv* env,
7037 jobject self)
7038 {
7039 TRY;
7040
7041 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7042 (void *(*)(void *))AwtComponent::_NativeHandlesWheelScrolling,
7043 env->NewGlobalRef(self));
7044 // global ref is deleted in _NativeHandlesWheelScrolling
7045
7046 CATCH_BAD_ALLOC_RET(NULL);
7047 }
7048
7049 /*
7050 * Class: sun_awt_windows_WComponentPeer
7051 * Method: isObscured
7052 * Signature: ()Z
7053 */
7054 JNIEXPORT jboolean JNICALL
7055 Java_sun_awt_windows_WComponentPeer_isObscured(JNIEnv* env,
7056 jobject self)
7057 {
7058 TRY;
7059
7060 jobject selfGlobalRef = env->NewGlobalRef(self);
7061
7062 return (jboolean)AwtToolkit::GetInstance().SyncCall(
7063 (void*(*)(void*))AwtComponent::_IsObscured,
7064 (void *)selfGlobalRef);
7065 // selfGlobalRef is deleted in _IsObscured
7066
7067 CATCH_BAD_ALLOC_RET(NULL);
7068 }
7069
7070 JNIEXPORT void JNICALL
7071 Java_sun_awt_windows_WComponentPeer_pSetParent(JNIEnv* env, jobject self, jobject parent) {
7072 TRY;
7073
7074 typedef AwtComponent* PComponent;
7075 AwtComponent** comps = new PComponent[2];
7076 AwtComponent* comp = (AwtComponent*)JNI_GET_PDATA(self);
7077 AwtComponent* parentComp = (AwtComponent*)JNI_GET_PDATA(parent);
7078 comps[0] = comp;
7079 comps[1] = parentComp;
7080
7081 AwtToolkit::GetInstance().SyncCall(AwtComponent::SetParent, comps);
7082 // comps is deleted in SetParent
7083
7084 CATCH_BAD_ALLOC;
7085 }
7086
7087 JNIEXPORT void JNICALL
7088 Java_sun_awt_windows_WComponentPeer_setRectangularShape(JNIEnv* env, jobject self,
7089 jint x1, jint y1, jint x2, jint y2, jobject region)
7090 {
7091 TRY;
7092
7093 SetRectangularShapeStruct * data = new SetRectangularShapeStruct;
7094 data->component = env->NewGlobalRef(self);
7095 data->x1 = x1;
7096 data->x2 = x2;
7097 data->y1 = y1;
7098 data->y2 = y2;
7099 if (region) {
7100 data->region = env->NewGlobalRef(region);
7101 } else {
7102 data->region = NULL;
7103 }
7104
7105 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetRectangularShape, data);
7106 // global refs and data are deleted in _SetRectangularShape
7107
7108 CATCH_BAD_ALLOC;
7109 }
7110
7111 JNIEXPORT void JNICALL
7112 Java_sun_awt_windows_WComponentPeer_setZOrder(JNIEnv* env, jobject self, jlong above)
7113 {
7114 TRY;
7115
7116 SetZOrderStruct * data = new SetZOrderStruct;
7117 data->component = env->NewGlobalRef(self);
7118 data->above = above;
7119
7120 AwtToolkit::GetInstance().SyncCall(AwtComponent::_SetZOrder, data);
7121 // global refs and data are deleted in _SetLower
7122
7123 CATCH_BAD_ALLOC;
7124 }
7125
7126 } /* extern "C" */
7127
7128
7129 /************************************************************************
7130 * Diagnostic routines
7131 */
7132
7133 #ifdef DEBUG
7134
7135 void AwtComponent::VerifyState()
7136 {
7137 if (AwtToolkit::GetInstance().VerifyComponents() == FALSE) {
7138 return;
7139 }
7140
7141 if (m_callbacksEnabled == FALSE) {
7142 /* Component is not fully setup yet. */
7143 return;
7144 }
7145
7146 /* Get target bounds. */
7147 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
7148 if (env->PushLocalFrame(10) < 0)
7149 return;
7150
7151 jobject target = GetTarget(env);
7152
7153 jint x = env->GetIntField(target, AwtComponent::xID);
7154 jint y = env->GetIntField(target, AwtComponent::yID);
7155 jint width = env->GetIntField(target, AwtComponent::widthID);
7156 jint height = env->GetIntField(target, AwtComponent::heightID);
7157
7158 /* Convert target origin to absolute coordinates */
7159 while (TRUE) {
7160
7161 jobject parent = env->GetObjectField(target, AwtComponent::parentID);
7162 if (parent == NULL) {
7163 break;
7164 }
7165 x += env->GetIntField(parent, AwtComponent::xID);
7166 y += env->GetIntField(parent, AwtComponent::yID);
7167
7168 /* If this component has insets, factor them in, but ignore
7169 * top-level windows.
7170 */
7171 jobject parent2 = env->GetObjectField(parent, AwtComponent::parentID);
7172 if (parent2 != NULL) {
7173 jobject peer = GetPeerForTarget(env, parent);
7174 if (peer != NULL &&
7175 JNU_IsInstanceOfByName(env, peer,
7176 "sun/awt/windows/WPanelPeer") > 0) {
7177 jobject insets =
7178 JNU_CallMethodByName(env, NULL, peer,"insets",
7179 "()Ljava/awt/Insets;").l;
7180 x += (env)->GetIntField(insets, AwtInsets::leftID);
7181 y += (env)->GetIntField(insets, AwtInsets::topID);
7182 }
7183 }
7184 env->DeleteLocalRef(target);
7185 target = parent;
7186 }
7187
7188 x = ScaleUpX(x);
7189 y = ScaleUpY(y);
7190 width = ScaleUpX(width);
7191 height = ScaleUpY(height);
7192
7193 // Test whether component's bounds match the native window's
7194 RECT rect;
7195 VERIFY(::GetWindowRect(GetHWnd(), &rect));
7196 #if 0
7197 DASSERT( (x == rect.left) &&
7198 (y == rect.top) &&
7199 (width == (rect.right-rect.left)) &&
7200 (height == (rect.bottom-rect.top)) );
7201 #else
7202 BOOL fSizeValid = ( (x == rect.left) &&
7203 (y == rect.top) &&
7204 (width == (rect.right-rect.left)) &&
7205 (height == (rect.bottom-rect.top)) );
7206 #endif
7207
7208 // See if visible state matches
7209 BOOL wndVisible = ::IsWindowVisible(GetHWnd());
7210 jboolean targetVisible;
7211 // To avoid possibly running client code on the toolkit thread, don't
7212 // do the following check if we're running on the toolkit thread.
7213 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7214 targetVisible = JNU_CallMethodByName(env, NULL, GetTarget(env),
7215 "isShowing", "()Z").z;
7216 DASSERT(!safe_ExceptionOccurred(env));
7217 } else {
7218 targetVisible = wndVisible ? 1 : 0;
7219 }
7220 #if 0
7221 DASSERT( (targetVisible && wndVisible) ||
7222 (!targetVisible && !wndVisible) );
7223 #else
7224 BOOL fVisibleValid = ( (targetVisible && wndVisible) ||
7225 (!targetVisible && !wndVisible) );
7226 #endif
7227
7228 // Check enabled state
7229 BOOL wndEnabled = ::IsWindowEnabled(GetHWnd());
7230 jboolean enabled = (jboolean)env->GetBooleanField(target,
7231 AwtComponent::enabledID);
7232 #if 0
7233 DASSERT( (enabled && wndEnabled) ||
7234 (!enabled && !wndEnabled) );
7235 #else
7236 BOOL fEnabledValid = ((enabled && wndEnabled) ||
7237 (!(enabled && !wndEnabled) ));
7238
7239 if (!fSizeValid || !fVisibleValid || !fEnabledValid) {
7240 printf("AwtComponent::ValidateState() failed:\n");
7241 // To avoid possibly running client code on the toolkit thread, don't
7242 // do the following call if we're running on the toolkit thread.
7243 if (AwtToolkit::MainThread() != ::GetCurrentThreadId()) {
7244 jstring targetStr =
7245 (jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
7246 "getName",
7247 "()Ljava/lang/String;").l;
7248 DASSERT(!safe_ExceptionOccurred(env));
7249 LPCWSTR targetStrW = JNU_GetStringPlatformChars(env, targetStr, NULL);
7250 printf("\t%S\n", targetStrW);
7251 JNU_ReleaseStringPlatformChars(env, targetStr, targetStrW);
7252 }
7253 printf("\twas: [%d,%d,%dx%d]\n", x, y, width, height);
7254 if (!fSizeValid) {
7255 printf("\tshould be: [%d,%d,%dx%d]\n", rect.left, rect.top,
7256 rect.right-rect.left, rect.bottom-rect.top);
7257 }
7258 if (!fVisibleValid) {
7259 printf("\tshould be: %s\n",
7260 (targetVisible) ? "visible" : "hidden");
7261 }
7262 if (!fEnabledValid) {
7263 printf("\tshould be: %s\n",
7264 enabled ? "enabled" : "disabled");
7265 }
7266 }
7267 #endif
7268 env->PopLocalFrame(0);
7269 }
7270 #endif //DEBUG
7271
7272 // Methods for globally managed DC list
7273
7274 /**
7275 * Add a new DC to the DC list for this component.
7276 */
7277 void DCList::AddDC(HDC hDC, HWND hWnd)
7278 {
7279 DCItem *newItem = new DCItem;
7280 newItem->hDC = hDC;
7281 newItem->hWnd = hWnd;
7282 AddDCItem(newItem);
7283 }
7284
7285 void DCList::AddDCItem(DCItem *newItem)
7286 {
7287 listLock.Enter();
7288 newItem->next = head;
7289 head = newItem;
7290 listLock.Leave();
7291 }
7292
7293 /**
7294 * Given a DC and window handle, remove the DC from the DC list
7295 * and return TRUE if it exists on the current list. Otherwise
7296 * return FALSE.
7297 * A DC may not exist on the list because it has already
7298 * been released elsewhere (for example, the window
7299 * destruction process may release a DC while a rendering
7300 * thread may also want to release a DC when it notices that
7301 * its DC is obsolete for the current window).
7302 */
7303 DCItem *DCList::RemoveDC(HDC hDC, HWND hWnd)
7304 {
7305 listLock.Enter();
7306 DCItem **prevPtrPtr = &head;
7307 DCItem *listPtr = head;
7308 while (listPtr) {
7309 DCItem *nextPtr = listPtr->next;
7310 if (listPtr->hDC == hDC && listPtr->hWnd == hWnd) {
7311 *prevPtrPtr = nextPtr;
7312 break;
7313 }
7314 prevPtrPtr = &listPtr->next;
7315 listPtr = nextPtr;
7316 }
7317 listLock.Leave();
7318 return listPtr;
7319 }
7320
7321 /**
7322 * Remove all DCs from the DC list which are associated with
7323 * the same window as hWnd. Return the list of those
7324 * DC's to the caller (which will then probably want to
7325 * call ReleaseDC() for the returned DCs).
7326 */
7327 DCItem *DCList::RemoveAllDCs(HWND hWnd)
7328 {
7329 listLock.Enter();
7330 DCItem **prevPtrPtr = &head;
7331 DCItem *listPtr = head;
7332 DCItem *newListPtr = NULL;
7333 BOOL ret = FALSE;
7334 while (listPtr) {
7335 DCItem *nextPtr = listPtr->next;
7336 if (listPtr->hWnd == hWnd) {
7337 *prevPtrPtr = nextPtr;
7338 listPtr->next = newListPtr;
7339 newListPtr = listPtr;
7340 } else {
7341 prevPtrPtr = &listPtr->next;
7342 }
7343 listPtr = nextPtr;
7344 }
7345 listLock.Leave();
7346 return newListPtr;
7347 }
7348
7349
7350 /**
7351 * Realize palettes of all existing HDC objects
7352 */
7353 void DCList::RealizePalettes(int screen)
7354 {
7355 listLock.Enter();
7356 DCItem *listPtr = head;
7357 while (listPtr) {
7358 AwtWin32GraphicsDevice::RealizePalette(listPtr->hDC, screen);
7359 listPtr = listPtr->next;
7360 }
7361 listLock.Leave();
7362 }
7363
7364 void MoveDCToPassiveList(HDC hDC, HWND hWnd) {
7365 DCItem *removedDC;
7366 if ((removedDC = activeDCList.RemoveDC(hDC, hWnd)) != NULL) {
7367 passiveDCList.AddDCItem(removedDC);
7368 }
7369 }
7370
7371 void ReleaseDCList(HWND hwnd, DCList &list) {
7372 DCItem *removedDCs = list.RemoveAllDCs(hwnd);
7373 while (removedDCs) {
7374 DCItem *tmpDCList = removedDCs;
7375 DASSERT(::GetObjectType(tmpDCList->hDC) == OBJ_DC);
7376 int retValue = ::ReleaseDC(tmpDCList->hWnd, tmpDCList->hDC);
7377 VERIFY(retValue != 0);
7378 if (retValue != 0) {
7379 // Valid ReleaseDC call; need to decrement GDI object counter
7380 AwtGDIObject::Decrement();
7381 }
7382 removedDCs = removedDCs->next;
7383 delete tmpDCList;
7384 }
7385 }