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