1 /*
2 * Copyright (c) 1996, 2016, 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 #define _JNI_IMPLEMENTATION_
27
28 #include "awt.h"
29 #include <signal.h>
30 #include <windowsx.h>
31 #include <process.h>
32
33 #include "awt_DrawingSurface.h"
34 #include "awt_AWTEvent.h"
35 #include "awt_Component.h"
36 #include "awt_Canvas.h"
37 #include "awt_Clipboard.h"
38 #include "awt_Frame.h"
39 #include "awt_Dialog.h"
40 #include "awt_Font.h"
41 #include "awt_Cursor.h"
42 #include "awt_InputEvent.h"
43 #include "awt_KeyEvent.h"
44 #include "awt_List.h"
45 #include "awt_Palette.h"
46 #include "awt_PopupMenu.h"
47 #include "awt_Toolkit.h"
48 #include "awt_DesktopProperties.h"
49 #include "awt_FileDialog.h"
50 #include "CmdIDList.h"
51 #include "awt_new.h"
52 #include "debug_trace.h"
53 #include "debug_mem.h"
54
55 #include "ComCtl32Util.h"
56 #include "DllUtil.h"
57
58 #include "D3DPipelineManager.h"
59
60 #include <awt_DnDDT.h>
61 #include <awt_DnDDS.h>
62
63 #include <java_awt_Toolkit.h>
64 #include <java_awt_event_InputMethodEvent.h>
65
66 extern void initScreens(JNIEnv *env);
67 extern "C" void awt_dnd_initialize();
68 extern "C" void awt_dnd_uninitialize();
69 extern "C" void awt_clipboard_uninitialize(JNIEnv *env);
70 extern "C" BOOL g_bUserHasChangedInputLang;
71
72 extern CriticalSection windowMoveLock;
73 extern BOOL windowMoveLockHeld;
74
75 // Needed by JAWT: see awt_DrawingSurface.cpp.
76 extern jclass jawtVImgClass;
77 extern jclass jawtVSMgrClass;
78 extern jclass jawtComponentClass;
79 extern jfieldID jawtPDataID;
80 extern jfieldID jawtSDataID;
81 extern jfieldID jawtSMgrID;
82
83 jobject reasonUnspecified;
84 jobject reasonConsole;
85 jobject reasonRemote;
86 jobject reasonLock;
87
88 extern jobject GetStaticObject(JNIEnv *env, jclass wfClass, const char *fieldName,
89 const char *signature);
90
91 extern BOOL isSuddenTerminationEnabled;
92
93 extern void DWMResetCompositionEnabled();
94
95 /************************************************************************
96 * Utilities
97 */
98
99 /* Initialize the Java VM instance variable when the library is
100 first loaded */
101 JavaVM *jvm = NULL;
102
103 JNIEXPORT jint JNICALL
104 DEF_JNI_OnLoad(JavaVM *vm, void *reserved)
105 {
106 TRY;
107
108 jvm = vm;
109 return JNI_VERSION_1_2;
110
111 CATCH_BAD_ALLOC_RET(0);
112 }
113
114 extern "C" JNIEXPORT jboolean JNICALL AWTIsHeadless() {
115 static JNIEnv *env = NULL;
116 static jboolean isHeadless;
117 jmethodID headlessFn;
118 jclass graphicsEnvClass;
119
120 if (env == NULL) {
121 env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
122 graphicsEnvClass = env->FindClass(
123 "java/awt/GraphicsEnvironment");
124 if (graphicsEnvClass == NULL) {
125 return JNI_TRUE;
126 }
127 headlessFn = env->GetStaticMethodID(
128 graphicsEnvClass, "isHeadless", "()Z");
129 if (headlessFn == NULL) {
130 return JNI_TRUE;
131 }
132 isHeadless = env->CallStaticBooleanMethod(graphicsEnvClass,
133 headlessFn);
134 }
135 return isHeadless;
136 }
137
138 #define IDT_AWT_MOUSECHECK 0x101
139
140 static LPCTSTR szAwtToolkitClassName = TEXT("SunAwtToolkit");
141
142 static const int MOUSE_BUTTONS_WINDOWS_SUPPORTED = 5; //three standard buttons + XBUTTON1 + XBUTTON2.
143
144 UINT AwtToolkit::GetMouseKeyState()
145 {
146 static BOOL mbSwapped = ::GetSystemMetrics(SM_SWAPBUTTON);
147 UINT mouseKeyState = 0;
148
149 if (HIBYTE(::GetKeyState(VK_CONTROL)))
150 mouseKeyState |= MK_CONTROL;
151 if (HIBYTE(::GetKeyState(VK_SHIFT)))
152 mouseKeyState |= MK_SHIFT;
153 if (HIBYTE(::GetKeyState(VK_LBUTTON)))
154 mouseKeyState |= (mbSwapped ? MK_RBUTTON : MK_LBUTTON);
155 if (HIBYTE(::GetKeyState(VK_RBUTTON)))
156 mouseKeyState |= (mbSwapped ? MK_LBUTTON : MK_RBUTTON);
157 if (HIBYTE(::GetKeyState(VK_MBUTTON)))
158 mouseKeyState |= MK_MBUTTON;
159 return mouseKeyState;
160 }
161
162 //
163 // Normal ::GetKeyboardState call only works if current thread has
164 // a message pump, so provide a way for other threads to get
165 // the keyboard state
166 //
167 void AwtToolkit::GetKeyboardState(PBYTE keyboardState)
168 {
169 CriticalSection::Lock l(AwtToolkit::GetInstance().m_lockKB);
170 DASSERT(!IsBadWritePtr(keyboardState, KB_STATE_SIZE));
171 memcpy(keyboardState, AwtToolkit::GetInstance().m_lastKeyboardState,
172 KB_STATE_SIZE);
173 }
174
175 void AwtToolkit::SetBusy(BOOL busy) {
176
177 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
178
179 static jclass awtAutoShutdownClass = NULL;
180 static jmethodID notifyBusyMethodID = NULL;
181 static jmethodID notifyFreeMethodID = NULL;
182
183 if (awtAutoShutdownClass == NULL) {
184 jclass awtAutoShutdownClassLocal = env->FindClass("sun/awt/AWTAutoShutdown");
185 DASSERT(awtAutoShutdownClassLocal != NULL);
186 if (!awtAutoShutdownClassLocal) throw std::bad_alloc();
187
188 awtAutoShutdownClass = (jclass)env->NewGlobalRef(awtAutoShutdownClassLocal);
189 env->DeleteLocalRef(awtAutoShutdownClassLocal);
190 if (!awtAutoShutdownClass) throw std::bad_alloc();
191
192 notifyBusyMethodID = env->GetStaticMethodID(awtAutoShutdownClass,
193 "notifyToolkitThreadBusy", "()V");
194 DASSERT(notifyBusyMethodID != NULL);
195 if (!notifyBusyMethodID) throw std::bad_alloc();
196
197 notifyFreeMethodID = env->GetStaticMethodID(awtAutoShutdownClass,
198 "notifyToolkitThreadFree", "()V");
199 DASSERT(notifyFreeMethodID != NULL);
200 if (!notifyFreeMethodID) throw std::bad_alloc();
201 } /* awtAutoShutdownClass == NULL*/
202
203 if (busy) {
204 env->CallStaticVoidMethod(awtAutoShutdownClass,
205 notifyBusyMethodID);
206 } else {
207 env->CallStaticVoidMethod(awtAutoShutdownClass,
208 notifyFreeMethodID);
209 }
210
211 if (!JNU_IsNull(env, safe_ExceptionOccurred(env))) {
212 env->ExceptionDescribe();
213 env->ExceptionClear();
214 }
215 }
216
217 BOOL AwtToolkit::activateKeyboardLayout(HKL hkl) {
218 // This call should succeed in case of one of the following:
219 // 1. Win 9x
220 // 2. NT with that HKL already loaded
221 HKL prev = ::ActivateKeyboardLayout(hkl, 0);
222
223 // If the above call fails, try loading the layout in case of NT
224 if (!prev) {
225 // create input locale string, e.g., "00000409", from hkl.
226 TCHAR inputLocale[9];
227 TCHAR buf[9];
228 _tcscpy_s(inputLocale, 9, TEXT("00000000"));
229
230 // 64-bit: ::LoadKeyboardLayout() is such a weird API - a string of
231 // the hex value you want?! Here we're converting our HKL value to
232 // a string. Hopefully there is no 64-bit trouble.
233 _i64tot(reinterpret_cast<INT_PTR>(hkl), buf, 16);
234 size_t len = _tcslen(buf);
235 memcpy(&inputLocale[8-len], buf, len);
236
237 // load and activate the keyboard layout
238 hkl = ::LoadKeyboardLayout(inputLocale, 0);
239 if (hkl != 0) {
240 prev = ::ActivateKeyboardLayout(hkl, 0);
241 }
242 }
243
244 return (prev != 0);
245 }
246
247 /************************************************************************
248 * Exported functions
249 */
250
251 extern "C" BOOL APIENTRY DllMain(HANDLE hInstance, DWORD ul_reason_for_call,
252 LPVOID)
253 {
254 // Don't use the TRY and CATCH_BAD_ALLOC_RET macros if we're detaching
255 // the library. Doing so causes awt.dll to call back into the VM during
256 // shutdown. This crashes the HotSpot VM.
257 switch (ul_reason_for_call) {
258 case DLL_PROCESS_ATTACH:
259 TRY;
260 AwtToolkit::GetInstance().SetModuleHandle((HMODULE)hInstance);
261 CATCH_BAD_ALLOC_RET(FALSE);
262 break;
263 case DLL_PROCESS_DETACH:
264 #ifdef DEBUG
265 DTrace_DisableMutex();
266 DMem_DisableMutex();
267 #endif DEBUG
268 break;
269 }
270 return TRUE;
271 }
272
273 /************************************************************************
274 * AwtToolkit fields
275 */
276
277 AwtToolkit AwtToolkit::theInstance;
278
279 /* ids for WToolkit fields accessed from native code */
280 jmethodID AwtToolkit::windowsSettingChangeMID;
281 jmethodID AwtToolkit::displayChangeMID;
282
283 jmethodID AwtToolkit::userSessionMID;
284 jmethodID AwtToolkit::systemSleepMID;
285 /* ids for Toolkit methods */
286 jmethodID AwtToolkit::getDefaultToolkitMID;
287 jmethodID AwtToolkit::getFontMetricsMID;
288 jmethodID AwtToolkit::insetsMID;
289
290 /************************************************************************
291 * AwtToolkit methods
292 */
293
294 AwtToolkit::AwtToolkit() {
295 m_localPump = FALSE;
296 m_mainThreadId = 0;
297 m_toolkitHWnd = NULL;
298 m_inputMethodHWnd = NULL;
299 m_verbose = FALSE;
300 m_isActive = TRUE;
301 m_isDisposed = FALSE;
302
303 m_vmSignalled = FALSE;
304
305 m_isDynamicLayoutSet = FALSE;
306 m_areExtraMouseButtonsEnabled = TRUE;
307
308 m_verifyComponents = FALSE;
309 m_breakOnError = FALSE;
310
311 m_breakMessageLoop = FALSE;
312 m_messageLoopResult = 0;
313
314 m_lastMouseOver = NULL;
315 m_mouseDown = FALSE;
316
317 m_hGetMessageHook = 0;
318 m_hMouseLLHook = 0;
319 m_lastWindowUnderMouse = NULL;
320 m_timer = 0;
321
322 m_cmdIDs = new AwtCmdIDList();
323 m_pModalDialog = NULL;
324 m_peer = NULL;
325 m_dllHandle = NULL;
326
327 m_displayChanged = FALSE;
328 m_embedderProcessID = 0;
329
330 // XXX: keyboard mapping should really be moved out of AwtComponent
331 AwtComponent::InitDynamicKeyMapTable();
332
333 // initialize kb state array
334 ::GetKeyboardState(m_lastKeyboardState);
335
336 m_waitEvent = ::CreateEvent(NULL, FALSE, FALSE, NULL);
337 isInDoDragDropLoop = FALSE;
338 eventNumber = 0;
339 }
340
341 AwtToolkit::~AwtToolkit() {
342 /*
343 * The code has been moved to AwtToolkit::Dispose() method.
344 */
345 }
346
347 HWND AwtToolkit::CreateToolkitWnd(LPCTSTR name)
348 {
349 HWND hwnd = CreateWindow(
350 szAwtToolkitClassName,
351 (LPCTSTR)name, /* window name */
352 WS_DISABLED, /* window style */
353 -1, -1, /* position of window */
354 0, 0, /* width and height */
355 NULL, NULL, /* hWndParent and hWndMenu */
356 GetModuleHandle(),
357 NULL); /* lpParam */
358 DASSERT(hwnd != NULL);
359 return hwnd;
360 }
361
362
363 struct ToolkitThreadProc_Data {
364 bool result;
365 HANDLE hCompleted;
366
367 jobject thread;
368 jobject threadGroup;
369 };
370
371 void ToolkitThreadProc(void *param)
372 {
373 ToolkitThreadProc_Data *data = (ToolkitThreadProc_Data *)param;
374
375 bool bNotified = false;
376
377 JNIEnv *env;
378 JavaVMAttachArgs attachArgs;
379 attachArgs.version = JNI_VERSION_1_2;
380 attachArgs.name = "AWT-Windows";
381 attachArgs.group = data->threadGroup;
382
383 jint res = jvm->AttachCurrentThreadAsDaemon((void **)&env, &attachArgs);
384 if (res < 0) {
385 return;
386 }
387
388 jobject thread = env->NewGlobalRef(data->thread);
389 if (thread != NULL) {
390 jclass cls = env->GetObjectClass(thread);
391 if (cls != NULL) {
392 jmethodID runId = env->GetMethodID(cls, "run", "()V");
393 if (runId != NULL) {
394 data->result = true;
395 ::SetEvent(data->hCompleted);
396 bNotified = true;
397
398 env->CallVoidMethod(thread, runId);
399
400 if (env->ExceptionCheck()) {
401 env->ExceptionDescribe();
402 env->ExceptionClear();
403 // TODO: handle
404 }
405 }
406 env->DeleteLocalRef(cls);
407 }
408 env->DeleteGlobalRef(thread);
409 }
410 if (!bNotified) {
411 ::SetEvent(data->hCompleted);
412 }
413
414 jvm->DetachCurrentThread();
415 }
416
417 /*
418 * Class: sun_awt_windows_WToolkit
419 * Method: startToolkitThread
420 * Signature: (Ljava/lang/Runnable;Ljava/lang/ThreadGroup)Z
421 */
422 JNIEXPORT jboolean JNICALL
423 Java_sun_awt_windows_WToolkit_startToolkitThread(JNIEnv *env, jclass cls, jobject thread, jobject threadGroup)
424 {
425 AwtToolkit& tk = AwtToolkit::GetInstance();
426
427 ToolkitThreadProc_Data data;
428 data.result = false;
429 data.thread = env->NewGlobalRef(thread);
430 data.threadGroup = env->NewGlobalRef(threadGroup);
431 if (data.thread == NULL || data.threadGroup == NULL) {
432 return JNI_FALSE;
433 }
434 data.hCompleted = ::CreateEvent(NULL, FALSE, FALSE, NULL);
435
436 bool result = tk.GetPreloadThread()
437 .InvokeAndTerminate(ToolkitThreadProc, &data);
438
439 if (result) {
440 ::WaitForSingleObject(data.hCompleted, INFINITE);
441 result = data.result;
442 } else {
443 // no awt preloading
444 // return back to the usual toolkit way
445 }
446 ::CloseHandle(data.hCompleted);
447
448 env->DeleteGlobalRef(data.thread);
449 env->DeleteGlobalRef(data.threadGroup);
450
451 return result ? JNI_TRUE : JNI_FALSE;
452 }
453
454 BOOL AwtToolkit::Initialize(BOOL localPump) {
455 AwtToolkit& tk = AwtToolkit::GetInstance();
456
457 if (!tk.m_isActive || tk.m_mainThreadId != 0) {
458 /* Already initialized. */
459 return FALSE;
460 }
461
462 // This call is moved here from AwtToolkit constructor. Having it
463 // there led to the bug 6480630: there could be a situation when
464 // ComCtl32Util was constructed but not disposed
465 ComCtl32Util::GetInstance().InitLibraries();
466
467 if (!localPump) {
468 // if preload thread was run, terminate it
469 preloadThread.Terminate(true);
470 }
471
472 /* Register this toolkit's helper window */
473 VERIFY(tk.RegisterClass() != NULL);
474
475 // Set up operator new/malloc out of memory handler.
476 NewHandler::init();
477
478 //\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
479 // Bugs 4032109, 4047966, and 4071991 to fix AWT
480 // crash in 16 color display mode. 16 color mode is supported. Less
481 // than 16 color is not.
482 // creighto@eng.sun.com 1997-10-07
483 //
484 // Check for at least 16 colors
485 HDC hDC = ::GetDC(NULL);
486 if ((::GetDeviceCaps(hDC, BITSPIXEL) * ::GetDeviceCaps(hDC, PLANES)) < 4) {
487 ::MessageBox(NULL,
488 TEXT("Sorry, but this release of Java requires at least 16 colors"),
489 TEXT("AWT Initialization Error"),
490 MB_ICONHAND | MB_APPLMODAL);
491 ::DeleteDC(hDC);
492 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
493 JNU_ThrowByName(env, "java/lang/InternalError",
494 "unsupported screen depth");
495 return FALSE;
496 }
497 ::ReleaseDC(NULL, hDC);
498 ///////////////////////////////////////////////////////////////////////////
499
500 tk.m_localPump = localPump;
501 tk.m_mainThreadId = ::GetCurrentThreadId();
502
503 /*
504 * Create the one-and-only toolkit window. This window isn't
505 * displayed, but is used to route messages to this thread.
506 */
507 tk.m_toolkitHWnd = tk.CreateToolkitWnd(TEXT("theAwtToolkitWindow"));
508 DASSERT(tk.m_toolkitHWnd != NULL);
509
510 /*
511 * Setup a GetMessage filter to watch all messages coming out of our
512 * queue from PreProcessMsg().
513 */
514 tk.m_hGetMessageHook = ::SetWindowsHookEx(WH_GETMESSAGE,
515 (HOOKPROC)GetMessageFilter,
516 0, tk.m_mainThreadId);
517
518 awt_dnd_initialize();
519
520 return TRUE;
521 }
522
523 BOOL AwtToolkit::Dispose() {
524 DTRACE_PRINTLN("In AwtToolkit::Dispose()");
525
526 AwtToolkit& tk = AwtToolkit::GetInstance();
527
528 if (!tk.m_isActive || tk.m_mainThreadId != ::GetCurrentThreadId()) {
529 return FALSE;
530 }
531
532 tk.m_isActive = FALSE;
533
534 // dispose Direct3D-related resources. This should be done
535 // before AwtObjectList::Cleanup() as the d3d will attempt to
536 // shutdown when the last of its windows is disposed of
537 D3DInitializer::GetInstance().Clean();
538
539 AwtObjectList::Cleanup();
540
541 awt_dnd_uninitialize();
542 awt_clipboard_uninitialize((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2));
543
544 if (tk.m_inputMethodHWnd != NULL) {
545 ::SendMessage(tk.m_inputMethodHWnd, WM_IME_CONTROL, IMC_OPENSTATUSWINDOW, 0);
546 }
547 tk.m_inputMethodHWnd = NULL;
548
549 // wait for any messages to be processed, in particular,
550 // all WM_AWT_DELETEOBJECT messages that delete components; no
551 // new messages will appear as all the windows except toolkit
552 // window are unsubclassed and destroyed
553 MSG msg;
554 while (::GetMessage(&msg, NULL, 0, 0)) {
555 ::TranslateMessage(&msg);
556 ::DispatchMessage(&msg);
557 }
558
559 AwtFont::Cleanup();
560
561 HWND toolkitHWndToDestroy = tk.m_toolkitHWnd;
562 tk.m_toolkitHWnd = 0;
563 VERIFY(::DestroyWindow(toolkitHWndToDestroy) != NULL);
564
565 tk.UnregisterClass();
566
567 ::UnhookWindowsHookEx(tk.m_hGetMessageHook);
568 UninstallMouseLowLevelHook();
569
570 tk.m_mainThreadId = 0;
571
572 delete tk.m_cmdIDs;
573
574 ::CloseHandle(m_waitEvent);
575
576 tk.m_isDisposed = TRUE;
577
578 return TRUE;
579 }
580
581 void AwtToolkit::SetDynamicLayout(BOOL dynamic) {
582 m_isDynamicLayoutSet = dynamic;
583 }
584
585 BOOL AwtToolkit::IsDynamicLayoutSet() {
586 return m_isDynamicLayoutSet;
587 }
588
589 BOOL AwtToolkit::IsDynamicLayoutSupported() {
590 // SPI_GETDRAGFULLWINDOWS is only supported on Win95 if
591 // Windows Plus! is installed. Otherwise, box frame resize.
592 BOOL fullWindowDragEnabled = FALSE;
593 int result = 0;
594 result = ::SystemParametersInfo(SPI_GETDRAGFULLWINDOWS, 0,
595 &fullWindowDragEnabled, 0);
596
597 return (fullWindowDragEnabled && (result != 0));
598 }
599
600 BOOL AwtToolkit::IsDynamicLayoutActive() {
601 return (IsDynamicLayoutSet() && IsDynamicLayoutSupported());
602 }
603
604 ATOM AwtToolkit::RegisterClass() {
605 WNDCLASS wc;
606
607 wc.style = 0;
608 wc.lpfnWndProc = (WNDPROC)WndProc;
609 wc.cbClsExtra = 0;
610 wc.cbWndExtra = 0;
611 wc.hInstance = AwtToolkit::GetInstance().GetModuleHandle(),
612 wc.hIcon = AwtToolkit::GetInstance().GetAwtIcon();
613 wc.hCursor = NULL;
614 wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
615 wc.lpszMenuName = NULL;
616 wc.lpszClassName = szAwtToolkitClassName;
617
618 ATOM ret = ::RegisterClass(&wc);
619 DASSERT(ret != NULL);
620 return ret;
621 }
622
623 void AwtToolkit::UnregisterClass() {
624 VERIFY(::UnregisterClass(szAwtToolkitClassName, AwtToolkit::GetInstance().GetModuleHandle()));
625 }
626
627 /*
628 * Structure holding the information to create a component. This packet is
629 * sent to the toolkit window.
630 */
631 struct ComponentCreatePacket {
632 void* hComponent;
633 void* hParent;
634 void (*factory)(void*, void*);
635 };
636
637 /*
638 * Create an AwtXxxx component using a given factory function
639 * Implemented by sending a message to the toolkit window to invoke the
640 * factory function from that thread
641 */
642 void AwtToolkit::CreateComponent(void* component, void* parent,
643 ComponentFactory compFactory, BOOL isParentALocalReference)
644 {
645 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
646
647 /* Since Local references are not valid in another Thread, we need to
648 create a global reference before we send this to the Toolkit thread.
649 In some cases this method is called with parent being a native
650 malloced struct so we cannot and do not need to create a Global
651 Reference from it. This is indicated by isParentALocalReference */
652
653 jobject gcomponent = env->NewGlobalRef((jobject)component);
654 jobject gparent;
655 if (isParentALocalReference) gparent = env->NewGlobalRef((jobject)parent);
656 ComponentCreatePacket ccp = { gcomponent,
657 isParentALocalReference == TRUE ? gparent : parent,
658 compFactory };
659 AwtToolkit::GetInstance().SendMessage(WM_AWT_COMPONENT_CREATE, 0,
660 (LPARAM)&ccp);
661 env->DeleteGlobalRef(gcomponent);
662 if (isParentALocalReference) env->DeleteGlobalRef(gparent);
663 }
664
665 /*
666 * Destroy an HWND that was created in the toolkit thread. Can be used on
667 * Components and the toolkit window itself.
668 */
669 void AwtToolkit::DestroyComponentHWND(HWND hwnd)
670 {
671 if (!::IsWindow(hwnd)) {
672 return;
673 }
674
675 AwtToolkit& tk = AwtToolkit::GetInstance();
676 if ((tk.m_lastMouseOver != NULL) &&
677 (tk.m_lastMouseOver->GetHWnd() == hwnd))
678 {
679 tk.m_lastMouseOver = NULL;
680 }
681
682 ::SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)NULL);
683 tk.SendMessage(WM_AWT_DESTROY_WINDOW, (WPARAM)hwnd, 0);
684 }
685
686 #ifndef SPY_MESSAGES
687 #define SpyWinMessage(hwin,msg,str)
688 #else
689 void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment);
690 #endif
691
692 /*
693 * An AwtToolkit window is just a means of routing toolkit messages to here.
694 */
695 LRESULT CALLBACK AwtToolkit::WndProc(HWND hWnd, UINT message,
696 WPARAM wParam, LPARAM lParam)
697 {
698 TRY;
699
700 JNIEnv *env = GetEnv();
701 JNILocalFrame lframe(env, 10);
702
703 SpyWinMessage(hWnd, message, TEXT("AwtToolkit"));
704
705 AwtToolkit::GetInstance().eventNumber++;
706 /*
707 * Awt widget creation messages are routed here so that all
708 * widgets are created on the main thread. Java allows widgets
709 * to live beyond their creating thread -- by creating them on
710 * the main thread, a widget can always be properly disposed.
711 */
712 switch (message) {
713 case WM_AWT_EXECUTE_SYNC: {
714 jobject peerObject = (jobject)wParam;
715 AwtObject* object = (AwtObject *)JNI_GET_PDATA(peerObject);
716 DASSERT( !IsBadReadPtr(object, sizeof(AwtObject)));
717 AwtObject::ExecuteArgs *args = (AwtObject::ExecuteArgs *)lParam;
718 DASSERT(!IsBadReadPtr(args, sizeof(AwtObject::ExecuteArgs)));
719 LRESULT result = 0;
720 if (object != NULL)
721 {
722 result = object->WinThreadExecProc(args);
723 }
724 env->DeleteGlobalRef(peerObject);
725 return result;
726 }
727 case WM_AWT_COMPONENT_CREATE: {
728 ComponentCreatePacket* ccp = (ComponentCreatePacket*)lParam;
729 DASSERT(ccp->factory != NULL);
730 DASSERT(ccp->hComponent != NULL);
731 (*ccp->factory)(ccp->hComponent, ccp->hParent);
732 return 0;
733 }
734 case WM_AWT_DESTROY_WINDOW: {
735 /* Destroy widgets from this same thread that created them */
736 VERIFY(::DestroyWindow((HWND)wParam) != NULL);
737 return 0;
738 }
739 case WM_AWT_DISPOSE: {
740 if(wParam != NULL) {
741 jobject self = (jobject)wParam;
742 AwtObject *o = (AwtObject *) JNI_GET_PDATA(self);
743 env->DeleteGlobalRef(self);
744 if(o != NULL && theAwtObjectList.Remove(o)) {
745 o->Dispose();
746 }
747 }
748 return 0;
749 }
750 case WM_AWT_DISPOSEPDATA: {
751 /*
752 * NOTE: synchronization routine (like in WM_AWT_DISPOSE) was omitted because
753 * this handler is called ONLY while disposing Cursor and Font objects where
754 * synchronization takes place.
755 */
756 AwtObject *o = (AwtObject *) wParam;
757 if(o != NULL && theAwtObjectList.Remove(o)) {
758 o->Dispose();
759 }
760 return 0;
761 }
762 case WM_AWT_DELETEOBJECT: {
763 AwtObject *p = (AwtObject *) wParam;
764 if (p->CanBeDeleted()) {
765 // all the messages for this component are processed, so
766 // it can be deleted
767 delete p;
768 } else {
769 // postpone deletion, waiting for all the messages for this
770 // component to be processed
771 AwtToolkit::GetInstance().PostMessage(WM_AWT_DELETEOBJECT, wParam, (LPARAM)0);
772 }
773 return 0;
774 }
775 case WM_AWT_OBJECTLISTCLEANUP: {
776 AwtObjectList::Cleanup();
777 return 0;
778 }
779 case WM_SYSCOLORCHANGE: {
780
781 jclass systemColorClass = env->FindClass("java/awt/SystemColor");
782 DASSERT(systemColorClass);
783 if (!systemColorClass) throw std::bad_alloc();
784
785 jmethodID mid = env->GetStaticMethodID(systemColorClass, "updateSystemColors", "()V");
786 DASSERT(mid);
787 if (!mid) throw std::bad_alloc();
788
789 env->CallStaticVoidMethod(systemColorClass, mid);
790
791 /* FALL THROUGH - NO BREAK */
792 }
793
794 case WM_SETTINGCHANGE: {
795 AwtWin32GraphicsDevice::ResetAllMonitorInfo();
796 /* FALL THROUGH - NO BREAK */
797 }
798 // Remove this define when we move to newer (XP) version of SDK.
799 #define WM_THEMECHANGED 0x031A
800 case WM_THEMECHANGED: {
801 /* Upcall to WToolkit when user changes configuration.
802 *
803 * NOTE: there is a bug in Windows 98 and some older versions of
804 * Windows NT (it seems to be fixed in NT4 SP5) where no
805 * WM_SETTINGCHANGE is sent when any of the properties under
806 * Control Panel -> Display are changed. You must _always_ query
807 * the system for these - you can't rely on cached values.
808 */
809 jobject peer = AwtToolkit::GetInstance().m_peer;
810 if (peer != NULL) {
811 env->CallVoidMethod(peer, AwtToolkit::windowsSettingChangeMID);
812 }
813 return 0;
814 }
815 #ifndef WM_DWMCOMPOSITIONCHANGED
816 #define WM_DWMCOMPOSITIONCHANGED 0x031E
817 #define WM_DWMNCRENDERINGCHANGED 0x031F
818 #define WM_DWMCOLORIZATIONCOLORCHANGED 0x0320
819 #define WM_DWMWINDOWMAXIMIZEDCHANGED 0x0321
820 #endif // WM_DWMCOMPOSITIONCHANGED
821 case WM_DWMCOMPOSITIONCHANGED: {
822 DWMResetCompositionEnabled();
823 return 0;
824 }
825
826 case WM_TIMER: {
827 // 6479820. Should check if a window is in manual resizing process: skip
828 // sending any MouseExit/Enter events while inside resize-loop.
829 // Note that window being in manual moving process could still
830 // produce redundant enter/exit mouse events. In future, they can be
831 // made skipped in a similar way.
832 if (AwtWindow::IsResizing()) {
833 return 0;
834 }
835 // Create an artifical MouseExit message if the mouse left to
836 // a non-java window (bad mouse!)
837 POINT pt;
838 AwtToolkit& tk = AwtToolkit::GetInstance();
839 if (::GetCursorPos(&pt)) {
840 HWND hWndOver = ::WindowFromPoint(pt);
841 AwtComponent * last_M;
842 if ( AwtComponent::GetComponent(hWndOver) == NULL && tk.m_lastMouseOver != NULL ) {
843 last_M = tk.m_lastMouseOver;
844 // translate point from screen to target window
845 MapWindowPoints(HWND_DESKTOP, last_M->GetHWnd(), &pt, 1);
846 last_M->SendMessage(WM_AWT_MOUSEEXIT,
847 GetMouseKeyState(),
848 POINTTOPOINTS(pt));
849 tk.m_lastMouseOver = 0;
850 }
851 }
852 if (tk.m_lastMouseOver == NULL && tk.m_timer != 0) {
853 VERIFY(::KillTimer(tk.m_toolkitHWnd, tk.m_timer));
854 tk.m_timer = 0;
855 }
856 return 0;
857 }
858 case WM_DESTROYCLIPBOARD: {
859 if (!AwtClipboard::IsGettingOwnership())
860 AwtClipboard::LostOwnership((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2));
861 return 0;
862 }
863 case WM_CHANGECBCHAIN: {
864 AwtClipboard::WmChangeCbChain(wParam, lParam);
865 return 0;
866 }
867 case WM_DRAWCLIPBOARD: {
868 AwtClipboard::WmDrawClipboard((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2), wParam, lParam);
869 return 0;
870 }
871 case WM_AWT_LIST_SETMULTISELECT: {
872 jobject peerObject = (jobject)wParam;
873 AwtList* list = (AwtList *)JNI_GET_PDATA(peerObject);
874 DASSERT( !IsBadReadPtr(list, sizeof(AwtObject)));
875 list->SetMultiSelect(static_cast<BOOL>(lParam));
876 return 0;
877 }
878
879 // Special awt message to call Imm APIs.
880 // ImmXXXX() API must be used in the main thread.
881 // In other thread these APIs does not work correctly even if
882 // it returs with no error. (This restriction is not documented)
883 // So we must use thse messages to call these APIs in main thread.
884 case WM_AWT_CREATECONTEXT: {
885 return reinterpret_cast<LRESULT>(
886 reinterpret_cast<void*>(ImmCreateContext()));
887 }
888 case WM_AWT_DESTROYCONTEXT: {
889 ImmDestroyContext((HIMC)wParam);
890 return 0;
891 }
892 case WM_AWT_ASSOCIATECONTEXT: {
893 EnableNativeIMEStruct *data = (EnableNativeIMEStruct*)wParam;
894
895 jobject peer = data->peer;
896 jobject self = data->self;
897 jint context = data->context;
898 jboolean useNativeCompWindow = data->useNativeCompWindow;
899
900 AwtComponent* comp = (AwtComponent*)JNI_GET_PDATA(peer);
901 if (comp != NULL)
902 {
903 comp->SetInputMethod(self, useNativeCompWindow);
904 comp->ImmAssociateContext((HIMC)context);
905 if (context) {
906 comp->WmImeStartComposition();
907 }
908 }
909
910 if (peer != NULL) {
911 env->DeleteGlobalRef(peer);
912 }
913 if (self != NULL) {
914 env->DeleteGlobalRef(self);
915 }
916
917 delete data;
918 return 0;
919 }
920 case WM_AWT_GET_DEFAULT_IME_HANDLER: {
921 LRESULT ret = (LRESULT)FALSE;
922 jobject peer = (jobject)wParam;
923
924 AwtComponent* comp = (AwtComponent*)JNI_GET_PDATA(peer);
925 if (comp != NULL) {
926 HWND defaultIMEHandler = ImmGetDefaultIMEWnd(comp->GetHWnd());
927 if (defaultIMEHandler != NULL) {
928 AwtToolkit::GetInstance().SetInputMethodWindow(defaultIMEHandler);
929 ret = (LRESULT)TRUE;
930 }
931 }
932
933 if (peer != NULL) {
934 env->DeleteGlobalRef(peer);
935 }
936 return ret;
937 }
938 case WM_AWT_HANDLE_NATIVE_IME_EVENT: {
939 jobject peer = (jobject)wParam;
940 AwtComponent* comp = (AwtComponent*)JNI_GET_PDATA(peer);
941 MSG* msg = (MSG*)lParam;
942
943 long modifiers = comp->GetJavaModifiers();
944 if ((comp != NULL) && (msg->message==WM_CHAR || msg->message==WM_SYSCHAR)) {
945 WCHAR unicodeChar = (WCHAR)msg->wParam;
946 comp->SendKeyEvent(java_awt_event_KeyEvent_KEY_TYPED,
947 0, //to be fixed nowMillis(),
948 java_awt_event_KeyEvent_CHAR_UNDEFINED,
949 unicodeChar,
950 modifiers,
951 java_awt_event_KeyEvent_KEY_LOCATION_UNKNOWN, (jlong)0,
952 msg);
953 } else if (comp != NULL) {
954 MSG* pCopiedMsg = new MSG;
955 *pCopiedMsg = *msg;
956 comp->SendMessage(WM_AWT_HANDLE_EVENT, (WPARAM) FALSE,
957 (LPARAM) pCopiedMsg);
958 }
959
960 if (peer != NULL) {
961 env->DeleteGlobalRef(peer);
962 }
963 return 0;
964 }
965 case WM_AWT_ENDCOMPOSITION: {
966 /*right now we just cancel the composition string
967 may need to commit it in the furture
968 Changed to commit it according to the flag 10/29/98*/
969 ImmNotifyIME((HIMC)wParam, NI_COMPOSITIONSTR,
970 (lParam ? CPS_COMPLETE : CPS_CANCEL), 0);
971 return 0;
972 }
973 case WM_AWT_SETCONVERSIONSTATUS: {
974 DWORD cmode;
975 DWORD smode;
976 ImmGetConversionStatus((HIMC)wParam, (LPDWORD)&cmode, (LPDWORD)&smode);
977 ImmSetConversionStatus((HIMC)wParam, (DWORD)LOWORD(lParam), smode);
978 return 0;
979 }
980 case WM_AWT_GETCONVERSIONSTATUS: {
981 DWORD cmode;
982 DWORD smode;
983 ImmGetConversionStatus((HIMC)wParam, (LPDWORD)&cmode, (LPDWORD)&smode);
984 return cmode;
985 }
986 case WM_AWT_ACTIVATEKEYBOARDLAYOUT: {
987 if (wParam && g_bUserHasChangedInputLang) {
988 // Input language has been changed since the last WInputMethod.getNativeLocale()
989 // call. So let's honor the user's selection.
990 // Note: we need to check this flag inside the toolkit thread to synchronize access
991 // to the flag.
992 return FALSE;
993 }
994
995 if (lParam == (LPARAM)::GetKeyboardLayout(0)) {
996 // already active
997 return FALSE;
998 }
999
1000 // Since ActivateKeyboardLayout does not post WM_INPUTLANGCHANGEREQUEST,
1001 // we explicitly need to do the same thing here.
1002 static BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
1003 AwtToolkit::GetKeyboardState(keyboardState);
1004 WORD ignored;
1005 ::ToAscii(VK_SPACE, ::MapVirtualKey(VK_SPACE, 0),
1006 keyboardState, &ignored, 0);
1007
1008 return (LRESULT)activateKeyboardLayout((HKL)lParam);
1009 }
1010 case WM_AWT_OPENCANDIDATEWINDOW: {
1011 jobject peerObject = (jobject)wParam;
1012 AwtComponent* p = (AwtComponent*)JNI_GET_PDATA(peerObject);
1013 DASSERT( !IsBadReadPtr(p, sizeof(AwtObject)));
1014 // fix for 4805862: use GET_X_LPARAM and GET_Y_LPARAM macros
1015 // instead of LOWORD and HIWORD
1016 p->OpenCandidateWindow(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
1017 env->DeleteGlobalRef(peerObject);
1018 return 0;
1019 }
1020
1021 /*
1022 * send this message via ::SendMessage() and the MPT will acquire the
1023 * HANDLE synchronized with the sender's thread. The HANDLE must be
1024 * signalled or deadlock may occur between the MPT and the caller.
1025 */
1026
1027 case WM_AWT_WAIT_FOR_SINGLE_OBJECT: {
1028 return ::WaitForSingleObject((HANDLE)lParam, INFINITE);
1029 }
1030 case WM_AWT_INVOKE_METHOD: {
1031 return (LRESULT)(*(void*(*)(void*))wParam)((void *)lParam);
1032 }
1033 case WM_AWT_INVOKE_VOID_METHOD: {
1034 return (LRESULT)(*(void*(*)(void))wParam)();
1035 }
1036
1037 case WM_AWT_SETOPENSTATUS: {
1038 ImmSetOpenStatus((HIMC)wParam, (BOOL)lParam);
1039 return 0;
1040 }
1041 case WM_AWT_GETOPENSTATUS: {
1042 return (DWORD)ImmGetOpenStatus((HIMC)wParam);
1043 }
1044 case WM_DISPLAYCHANGE: {
1045 // Reinitialize screens
1046 initScreens(env);
1047
1048 // Notify Java side - call WToolkit.displayChanged()
1049 jclass clazz = env->FindClass("sun/awt/windows/WToolkit");
1050 DASSERT(clazz != NULL);
1051 if (!clazz) throw std::bad_alloc();
1052 env->CallStaticVoidMethod(clazz, AwtToolkit::displayChangeMID);
1053
1054 GetInstance().m_displayChanged = TRUE;
1055
1056 ::PostMessage(HWND_BROADCAST, WM_PALETTEISCHANGING, NULL, NULL);
1057 break;
1058 }
1059 case WM_AWT_SETCURSOR: {
1060 ::SetCursor((HCURSOR)wParam);
1061 return TRUE;
1062 }
1063 /* Session management */
1064 case WM_QUERYENDSESSION: {
1065 /* Shut down cleanly */
1066 if (!isSuddenTerminationEnabled) {
1067 return FALSE;
1068 }
1069 if (JVM_RaiseSignal(SIGTERM)) {
1070 AwtToolkit::GetInstance().m_vmSignalled = TRUE;
1071 }
1072 return TRUE;
1073 }
1074 case WM_ENDSESSION: {
1075 // Keep pumping messages until the shutdown sequence halts the VM,
1076 // or we exit the MessageLoop because of a WM_QUIT message
1077 AwtToolkit& tk = AwtToolkit::GetInstance();
1078
1079 // if WM_QUERYENDSESSION hasn't successfully raised SIGTERM
1080 // we ignore the ENDSESSION message
1081 if (!tk.m_vmSignalled) {
1082 return 0;
1083 }
1084 tk.MessageLoop(AwtToolkit::PrimaryIdleFunc,
1085 AwtToolkit::CommonPeekMessageFunc);
1086
1087 // Dispose here instead of in eventLoop so that we don't have
1088 // to return from the WM_ENDSESSION handler.
1089 tk.Dispose();
1090
1091 // Never return. The VM will halt the process.
1092 hang_if_shutdown();
1093
1094 // Should never get here.
1095 DASSERT(FALSE);
1096 break;
1097 }
1098 #ifndef WM_WTSSESSION_CHANGE
1099 #define WM_WTSSESSION_CHANGE 0x02B1
1100 #define WTS_CONSOLE_CONNECT 0x1
1101 #define WTS_CONSOLE_DISCONNECT 0x2
1102 #define WTS_REMOTE_CONNECT 0x3
1103 #define WTS_REMOTE_DISCONNECT 0x4
1104 #define WTS_SESSION_LOGON 0x5
1105 #define WTS_SESSION_LOGOFF 0x6
1106 #define WTS_SESSION_LOCK 0x7
1107 #define WTS_SESSION_UNLOCK 0x8
1108 #define WTS_SESSION_REMOTE_CONTROL 0x9
1109 #endif // WM_WTSSESSION_CHANGE
1110 case WM_WTSSESSION_CHANGE: {
1111 jclass clzz = env->FindClass("sun/awt/windows/WDesktopPeer");
1112 DASSERT(clzz != NULL);
1113 if (!clzz) throw std::bad_alloc();
1114
1115 if (wParam == WTS_CONSOLE_CONNECT
1116 || wParam == WTS_CONSOLE_DISCONNECT
1117 || wParam == WTS_REMOTE_CONNECT
1118 || wParam == WTS_REMOTE_DISCONNECT
1119 || wParam == WTS_SESSION_UNLOCK
1120 || wParam == WTS_SESSION_LOCK) {
1121
1122 BOOL activate = wParam == WTS_CONSOLE_CONNECT
1123 || wParam == WTS_REMOTE_CONNECT
1124 || wParam == WTS_SESSION_UNLOCK;
1125 jobject reason = reasonUnspecified;
1126
1127 switch (wParam) {
1128 case WTS_CONSOLE_CONNECT:
1129 case WTS_CONSOLE_DISCONNECT:
1130 reason = reasonConsole;
1131 break;
1132 case WTS_REMOTE_CONNECT:
1133 case WTS_REMOTE_DISCONNECT:
1134 reason = reasonRemote;
1135 break;
1136 case WTS_SESSION_UNLOCK:
1137 case WTS_SESSION_LOCK:
1138 reason = reasonLock;
1139 }
1140
1141 env->CallStaticVoidMethod(clzz, AwtToolkit::userSessionMID,
1142 activate
1143 ? JNI_TRUE
1144 : JNI_FALSE, reason);
1145 }
1146 break;
1147 }
1148 case WM_POWERBROADCAST: {
1149 jclass clzz = env->FindClass("sun/awt/windows/WDesktopPeer");
1150 DASSERT(clzz != NULL);
1151 if (!clzz) throw std::bad_alloc();
1152
1153 if (wParam == PBT_APMSUSPEND || wParam == PBT_APMRESUMEAUTOMATIC) {
1154 env->CallStaticVoidMethod(clzz, AwtToolkit::systemSleepMID,
1155 wParam == PBT_APMRESUMEAUTOMATIC
1156 ? JNI_TRUE
1157 : JNI_FALSE);
1158 }
1159 break;
1160 }
1161 case WM_SYNC_WAIT:
1162 SetEvent(AwtToolkit::GetInstance().m_waitEvent);
1163 break;
1164 }
1165
1166 return DefWindowProc(hWnd, message, wParam, lParam);
1167
1168 CATCH_BAD_ALLOC_RET(0);
1169 }
1170
1171 LRESULT CALLBACK AwtToolkit::GetMessageFilter(int code,
1172 WPARAM wParam, LPARAM lParam)
1173 {
1174 TRY;
1175
1176 if (code >= 0 && wParam == PM_REMOVE && lParam != 0) {
1177 if (AwtToolkit::GetInstance().PreProcessMsg(*(MSG*)lParam) !=
1178 mrPassAlong) {
1179 /* PreProcessMsg() wants us to eat it */
1180 ((MSG*)lParam)->message = WM_NULL;
1181 }
1182 }
1183 return ::CallNextHookEx(AwtToolkit::GetInstance().m_hGetMessageHook, code,
1184 wParam, lParam);
1185
1186 CATCH_BAD_ALLOC_RET(0);
1187 }
1188
1189 void AwtToolkit::InstallMouseLowLevelHook()
1190 {
1191 // We need the low-level hook since we need to process mouse move
1192 // messages outside of our windows.
1193 m_hMouseLLHook = ::SetWindowsHookEx(WH_MOUSE_LL,
1194 (HOOKPROC)MouseLowLevelHook,
1195 GetModuleHandle(), NULL);
1196
1197 // Reset the old value
1198 m_lastWindowUnderMouse = NULL;
1199 }
1200
1201 void AwtToolkit::UninstallMouseLowLevelHook()
1202 {
1203 if (m_hMouseLLHook != 0) {
1204 ::UnhookWindowsHookEx(m_hMouseLLHook);
1205 m_hMouseLLHook = 0;
1206 }
1207 }
1208
1209 LRESULT CALLBACK AwtToolkit::MouseLowLevelHook(int code,
1210 WPARAM wParam, LPARAM lParam)
1211 {
1212 TRY;
1213
1214 if (code >= 0 && wParam == WM_MOUSEMOVE) {
1215 POINT pt = ((MSLLHOOKSTRUCT*)lParam)->pt;
1216
1217 // We can't use GA_ROOTOWNER since in this case we'll go up to
1218 // the root Java toplevel, not the actual owned toplevel.
1219 HWND hwnd = ::GetAncestor(::WindowFromPoint(pt), GA_ROOT);
1220
1221 AwtToolkit& tk = AwtToolkit::GetInstance();
1222
1223 if (tk.m_lastWindowUnderMouse != hwnd) {
1224 AwtWindow *fw = NULL, *tw = NULL;
1225
1226 if (tk.m_lastWindowUnderMouse) {
1227 fw = (AwtWindow*)
1228 AwtComponent::GetComponent(tk.m_lastWindowUnderMouse);
1229 }
1230 if (hwnd) {
1231 tw = (AwtWindow*)AwtComponent::GetComponent(hwnd);
1232 }
1233
1234 tk.m_lastWindowUnderMouse = hwnd;
1235
1236 if (fw) {
1237 fw->UpdateSecurityWarningVisibility();
1238 }
1239 // ... however, because we use GA_ROOT, we may find the warningIcon
1240 // which is not a Java windows.
1241 if (AwtWindow::IsWarningWindow(hwnd)) {
1242 hwnd = ::GetParent(hwnd);
1243 if (hwnd) {
1244 tw = (AwtWindow*)AwtComponent::GetComponent(hwnd);
1245 }
1246 tk.m_lastWindowUnderMouse = hwnd;
1247 }
1248 if (tw) {
1249 tw->UpdateSecurityWarningVisibility();
1250 }
1251
1252
1253 }
1254 }
1255
1256 return ::CallNextHookEx(AwtToolkit::GetInstance().m_hMouseLLHook, code,
1257 wParam, lParam);
1258
1259 CATCH_BAD_ALLOC_RET(0);
1260 }
1261
1262 /*
1263 * The main message loop
1264 */
1265
1266 const int AwtToolkit::EXIT_ENCLOSING_LOOP = 0;
1267 const int AwtToolkit::EXIT_ALL_ENCLOSING_LOOPS = -1;
1268
1269
1270 /**
1271 * Called upon event idle to ensure that we have released any
1272 * CriticalSections that we took during window event processing.
1273 *
1274 * Note that this gets used more often than you would think; some
1275 * window moves actually happen over more than one event burst. So,
1276 * for example, we might get a WINDOWPOSCHANGING event, then we
1277 * idle and release the lock here, then eventually we get the
1278 * WINDOWPOSCHANGED event.
1279 *
1280 * This method may be called from WToolkit.embeddedEventLoopIdleProcessing
1281 * if there is a separate event loop that must do the same CriticalSection
1282 * check.
1283 *
1284 * See bug #4526587 for more information.
1285 */
1286 void VerifyWindowMoveLockReleased()
1287 {
1288 if (windowMoveLockHeld) {
1289 windowMoveLockHeld = FALSE;
1290 windowMoveLock.Leave();
1291 }
1292 }
1293
1294 UINT
1295 AwtToolkit::MessageLoop(IDLEPROC lpIdleFunc,
1296 PEEKMESSAGEPROC lpPeekMessageFunc)
1297 {
1298 DTRACE_PRINTLN("AWT event loop started");
1299
1300 DASSERT(lpIdleFunc != NULL);
1301 DASSERT(lpPeekMessageFunc != NULL);
1302
1303 m_messageLoopResult = 0;
1304 while (!m_breakMessageLoop) {
1305
1306 (*lpIdleFunc)();
1307
1308 PumpWaitingMessages(lpPeekMessageFunc); /* pumps waiting messages */
1309
1310 // Catch problems with windowMoveLock critical section. In case we
1311 // misunderstood the way windows processes window move/resize
1312 // events, we don't want to hold onto the windowMoveLock CS forever.
1313 // If we've finished processing events for now, release the lock
1314 // if held.
1315 VerifyWindowMoveLockReleased();
1316 }
1317 if (m_messageLoopResult == EXIT_ALL_ENCLOSING_LOOPS)
1318 ::PostQuitMessage(EXIT_ALL_ENCLOSING_LOOPS);
1319 m_breakMessageLoop = FALSE;
1320
1321 DTRACE_PRINTLN("AWT event loop ended");
1322
1323 return m_messageLoopResult;
1324 }
1325
1326 /*
1327 * Exit the enclosing message loop(s).
1328 *
1329 * The message will be ignored if Windows is currently is in an internal
1330 * message loop (such as a scroll bar drag). So we first send IDCANCEL and
1331 * WM_CANCELMODE messages to every Window on the thread.
1332 */
1333 static BOOL CALLBACK CancelAllThreadWindows(HWND hWnd, LPARAM)
1334 {
1335 TRY;
1336
1337 ::SendMessage(hWnd, WM_COMMAND, MAKEWPARAM(IDCANCEL, 0), (LPARAM)hWnd);
1338 ::SendMessage(hWnd, WM_CANCELMODE, 0, 0);
1339
1340 return TRUE;
1341
1342 CATCH_BAD_ALLOC_RET(FALSE);
1343 }
1344
1345 static void DoQuitMessageLoop(void* param) {
1346 int status = *static_cast<int*>(param);
1347
1348 AwtToolkit::GetInstance().QuitMessageLoop(status);
1349 }
1350
1351 void AwtToolkit::QuitMessageLoop(int status) {
1352 /*
1353 * Fix for 4623377.
1354 * Reinvoke QuitMessageLoop on the toolkit thread, so that
1355 * m_breakMessageLoop is accessed on a single thread.
1356 */
1357 if (!AwtToolkit::IsMainThread()) {
1358 InvokeFunction(DoQuitMessageLoop, &status);
1359 return;
1360 }
1361
1362 /*
1363 * Fix for BugTraq ID 4445747.
1364 * EnumThreadWindows() is very slow during dnd on Win9X/ME.
1365 * This call is unnecessary during dnd, since we postpone processing of all
1366 * messages that can enter internal message loop until dnd is over.
1367 */
1368 if (status == EXIT_ALL_ENCLOSING_LOOPS) {
1369 ::EnumThreadWindows(MainThread(), (WNDENUMPROC)CancelAllThreadWindows,
1370 0);
1371 }
1372
1373 /*
1374 * Fix for 4623377.
1375 * Modal loop may not exit immediatelly after WM_CANCELMODE, so it still can
1376 * eat WM_QUIT message and the nested message loop will never exit.
1377 * The fix is to use AwtToolkit instance variables instead of WM_QUIT to
1378 * guarantee that we exit from the nested message loop when any possible
1379 * modal loop quits. In this case CancelAllThreadWindows is needed only to
1380 * ensure that the nested message loop exits quickly and doesn't wait until
1381 * a possible modal loop completes.
1382 */
1383 m_breakMessageLoop = TRUE;
1384 m_messageLoopResult = status;
1385
1386 /*
1387 * Fix for 4683602.
1388 * Post an empty message, to wake up the toolkit thread
1389 * if it is currently in WaitMessage(),
1390 */
1391 PostMessage(WM_NULL);
1392 }
1393
1394 /*
1395 * Called by the message loop to pump the message queue when there are
1396 * messages waiting. Can also be called anywhere to pump messages.
1397 */
1398 BOOL AwtToolkit::PumpWaitingMessages(PEEKMESSAGEPROC lpPeekMessageFunc)
1399 {
1400 MSG msg;
1401 BOOL foundOne = FALSE;
1402
1403 DASSERT(lpPeekMessageFunc != NULL);
1404
1405 while (!m_breakMessageLoop && (*lpPeekMessageFunc)(msg)) {
1406 foundOne = TRUE;
1407 ProcessMsg(msg);
1408 }
1409 return foundOne;
1410 }
1411
1412 void AwtToolkit::PumpToDestroy(class AwtComponent* p)
1413 {
1414 MSG msg;
1415
1416 DASSERT(AwtToolkit::PrimaryIdleFunc != NULL);
1417 DASSERT(AwtToolkit::CommonPeekMessageFunc != NULL);
1418
1419 while (p->IsDestroyPaused() && !m_breakMessageLoop) {
1420
1421 PrimaryIdleFunc();
1422
1423 while (p->IsDestroyPaused() && !m_breakMessageLoop && CommonPeekMessageFunc(msg)) {
1424 ProcessMsg(msg);
1425 }
1426 }
1427 }
1428
1429 void AwtToolkit::ProcessMsg(MSG& msg)
1430 {
1431 if (msg.message == WM_QUIT) {
1432 m_breakMessageLoop = TRUE;
1433 m_messageLoopResult = static_cast<UINT>(msg.wParam);
1434 if (m_messageLoopResult == EXIT_ALL_ENCLOSING_LOOPS)
1435 ::PostQuitMessage(static_cast<int>(msg.wParam)); // make sure all loops exit
1436 }
1437 else if (msg.message != WM_NULL) {
1438 /*
1439 * The AWT in standalone mode (that is, dynamically loaded from the
1440 * Java VM) doesn't have any translation tables to worry about, so
1441 * TranslateAccelerator isn't called.
1442 */
1443
1444 ::TranslateMessage(&msg);
1445 ::DispatchMessage(&msg);
1446 }
1447 }
1448
1449 VOID CALLBACK
1450 AwtToolkit::PrimaryIdleFunc() {
1451 AwtToolkit::SetBusy(FALSE);
1452 ::WaitMessage(); /* allow system to go idle */
1453 AwtToolkit::SetBusy(TRUE);
1454 }
1455
1456 VOID CALLBACK
1457 AwtToolkit::SecondaryIdleFunc() {
1458 ::WaitMessage(); /* allow system to go idle */
1459 }
1460
1461 BOOL
1462 AwtToolkit::CommonPeekMessageFunc(MSG& msg) {
1463 return ::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
1464 }
1465
1466 /*
1467 * Perform pre-processing on a message before it is translated &
1468 * dispatched. Returns true to eat the message
1469 */
1470 BOOL AwtToolkit::PreProcessMsg(MSG& msg)
1471 {
1472 /*
1473 * Offer preprocessing first to the target component, then call out to
1474 * specific mouse and key preprocessor methods
1475 */
1476 AwtComponent* p = AwtComponent::GetComponent(msg.hwnd);
1477 if (p && p->PreProcessMsg(msg) == mrConsume)
1478 return TRUE;
1479
1480 if ((msg.message >= WM_MOUSEFIRST && msg.message <= WM_MOUSELAST) ||
1481 (msg.message >= WM_NCMOUSEMOVE && msg.message <= WM_NCMBUTTONDBLCLK)) {
1482 if (PreProcessMouseMsg(p, msg)) {
1483 return TRUE;
1484 }
1485 }
1486 else if (msg.message >= WM_KEYFIRST && msg.message <= WM_KEYLAST) {
1487 if (PreProcessKeyMsg(p, msg))
1488 return TRUE;
1489 }
1490 return FALSE;
1491 }
1492
1493 BOOL AwtToolkit::PreProcessMouseMsg(AwtComponent* p, MSG& msg)
1494 {
1495 WPARAM mouseWParam;
1496 LPARAM mouseLParam;
1497
1498 /*
1499 * Fix for BugTraq ID 4395290.
1500 * Do not synthesize mouse enter/exit events during drag-and-drop,
1501 * since it messes up LightweightDispatcher.
1502 */
1503 if (AwtDropTarget::IsLocalDnD()) {
1504 return FALSE;
1505 }
1506
1507 if (msg.message >= WM_MOUSEFIRST && msg.message <= WM_MOUSELAST) {
1508 mouseWParam = msg.wParam;
1509 mouseLParam = msg.lParam;
1510 } else {
1511 mouseWParam = GetMouseKeyState();
1512 }
1513
1514 /*
1515 * Get the window under the mouse, as it will be different if its
1516 * captured.
1517 */
1518 DWORD dwCurPos = ::GetMessagePos();
1519 DWORD dwScreenPos = dwCurPos;
1520 POINT curPos;
1521 // fix for 4805862
1522 // According to MSDN: do not use LOWORD and HIWORD macros to extract x and
1523 // y coordinates because these macros return incorrect results on systems
1524 // with multiple monitors (signed values are treated as unsigned)
1525 curPos.x = GET_X_LPARAM(dwCurPos);
1526 curPos.y = GET_Y_LPARAM(dwCurPos);
1527 HWND hWndFromPoint = ::WindowFromPoint(curPos);
1528 // hWndFromPoint == 0 if mouse is over a scrollbar
1529 AwtComponent* mouseComp =
1530 AwtComponent::GetComponent(hWndFromPoint);
1531 // Need extra copies for non-client area issues
1532 HWND hWndForWheel = hWndFromPoint;
1533
1534 // If the point under the mouse isn't in the client area,
1535 // ignore it to maintain compatibility with Solaris (#4095172)
1536 RECT windowRect;
1537 ::GetClientRect(hWndFromPoint, &windowRect);
1538 POINT topLeft;
1539 topLeft.x = 0;
1540 topLeft.y = 0;
1541 ::ClientToScreen(hWndFromPoint, &topLeft);
1542 windowRect.top += topLeft.y;
1543 windowRect.bottom += topLeft.y;
1544 windowRect.left += topLeft.x;
1545 windowRect.right += topLeft.x;
1546 if ((curPos.y < windowRect.top) ||
1547 (curPos.y >= windowRect.bottom) ||
1548 (curPos.x < windowRect.left) ||
1549 (curPos.x >= windowRect.right)) {
1550 mouseComp = NULL;
1551 hWndFromPoint = NULL;
1552 }
1553
1554 /*
1555 * Look for mouse transitions between windows & create
1556 * MouseExit & MouseEnter messages
1557 */
1558 // 6479820. Should check if a window is in manual resizing process: skip
1559 // sending any MouseExit/Enter events while inside resize-loop.
1560 // Note that window being in manual moving process could still
1561 // produce redundant enter/exit mouse events. In future, they can be
1562 // made skipped in a similar way.
1563 if (mouseComp != m_lastMouseOver && !AwtWindow::IsResizing()) {
1564 /*
1565 * Send the messages right to the windows so that they are in
1566 * the right sequence.
1567 */
1568 if (m_lastMouseOver) {
1569 dwCurPos = dwScreenPos;
1570 curPos.x = LOWORD(dwCurPos);
1571 curPos.y = HIWORD(dwCurPos);
1572 ::MapWindowPoints(HWND_DESKTOP, m_lastMouseOver->GetHWnd(),
1573 &curPos, 1);
1574 mouseLParam = MAKELPARAM((WORD)curPos.x, (WORD)curPos.y);
1575 m_lastMouseOver->SendMessage(WM_AWT_MOUSEEXIT, mouseWParam,
1576 mouseLParam);
1577 }
1578 if (mouseComp) {
1579 dwCurPos = dwScreenPos;
1580 curPos.x = LOWORD(dwCurPos);
1581 curPos.y = HIWORD(dwCurPos);
1582 ::MapWindowPoints(HWND_DESKTOP, mouseComp->GetHWnd(),
1583 &curPos, 1);
1584 mouseLParam = MAKELPARAM((WORD)curPos.x, (WORD)curPos.y);
1585 mouseComp->SendMessage(WM_AWT_MOUSEENTER, mouseWParam,
1586 mouseLParam);
1587 }
1588 m_lastMouseOver = mouseComp;
1589 }
1590
1591 /*
1592 * For MouseWheelEvents, hwnd must be changed to be the Component under
1593 * the mouse, not the Component with the input focus.
1594 */
1595
1596 if (msg.message == WM_MOUSEWHEEL || msg.message == WM_MOUSEHWHEEL) {
1597 //i.e. mouse is over client area for this window
1598 DWORD hWndForWheelProcess;
1599 DWORD hWndForWheelThread = ::GetWindowThreadProcessId(hWndForWheel, &hWndForWheelProcess);
1600 if (::GetCurrentProcessId() == hWndForWheelProcess) {
1601 if (AwtToolkit::MainThread() == hWndForWheelThread) {
1602 msg.hwnd = hWndForWheel;
1603 } else {
1604 // Interop mode, redispatch the event to another toolkit.
1605 ::SendMessage(hWndForWheel, msg.message, mouseWParam, mouseLParam);
1606 return TRUE;
1607 }
1608 }
1609 }
1610
1611 /*
1612 * Make sure we get at least one last chance to check for transitions
1613 * before we sleep
1614 */
1615 if (m_lastMouseOver && !m_timer) {
1616 m_timer = ::SetTimer(m_toolkitHWnd, IDT_AWT_MOUSECHECK, 200, 0);
1617 }
1618 return FALSE; /* Now go ahead and process current message as usual */
1619 }
1620
1621 BOOL AwtToolkit::PreProcessKeyMsg(AwtComponent* p, MSG& msg)
1622 {
1623 // get keyboard state for use in AwtToolkit::GetKeyboardState
1624 CriticalSection::Lock l(m_lockKB);
1625 ::GetKeyboardState(m_lastKeyboardState);
1626 return FALSE;
1627 }
1628
1629 void *AwtToolkit::SyncCall(void *(*ftn)(void *), void *param) {
1630 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1631 if (!IsMainThread()) {
1632 CriticalSection::Lock l(GetSyncCS());
1633 return (*ftn)(param);
1634 } else {
1635 return (*ftn)(param);
1636 }
1637 }
1638
1639 void AwtToolkit::SyncCall(void (*ftn)(void *), void *param) {
1640 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1641 if (!IsMainThread()) {
1642 CriticalSection::Lock l(GetSyncCS());
1643 (*ftn)(param);
1644 } else {
1645 (*ftn)(param);
1646 }
1647 }
1648
1649 void *AwtToolkit::SyncCall(void *(*ftn)(void)) {
1650 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1651 if (!IsMainThread()) {
1652 CriticalSection::Lock l(GetSyncCS());
1653 return (*ftn)();
1654 } else {
1655 return (*ftn)();
1656 }
1657 }
1658
1659 void AwtToolkit::SyncCall(void (*ftn)(void)) {
1660 JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1661 if (!IsMainThread()) {
1662 CriticalSection::Lock l(GetSyncCS());
1663 (*ftn)();
1664 } else {
1665 (*ftn)();
1666 }
1667 }
1668
1669 UINT AwtToolkit::CreateCmdID(AwtObject* object)
1670 {
1671 return m_cmdIDs->Add(object);
1672 }
1673
1674 void AwtToolkit::RemoveCmdID(UINT id)
1675 {
1676 m_cmdIDs->Remove(id);
1677 }
1678
1679 AwtObject* AwtToolkit::LookupCmdID(UINT id)
1680 {
1681 return m_cmdIDs->Lookup(id);
1682 }
1683
1684 HICON AwtToolkit::GetAwtIcon()
1685 {
1686 return ::LoadIcon(GetModuleHandle(), TEXT("AWT_ICON"));
1687 }
1688
1689 HICON AwtToolkit::GetAwtIconSm()
1690 {
1691 static HICON defaultIconSm = NULL;
1692 static int prevSmx = 0;
1693 static int prevSmy = 0;
1694
1695 int smx = GetSystemMetrics(SM_CXSMICON);
1696 int smy = GetSystemMetrics(SM_CYSMICON);
1697
1698 // Fixed 6364216: LoadImage() may leak memory
1699 if (defaultIconSm == NULL || smx != prevSmx || smy != prevSmy) {
1700 defaultIconSm = (HICON)LoadImage(GetModuleHandle(), TEXT("AWT_ICON"), IMAGE_ICON, smx, smy, 0);
1701 prevSmx = smx;
1702 prevSmy = smy;
1703 }
1704 return defaultIconSm;
1705 }
1706
1707 // The icon at index 0 must be gray. See AwtWindow::GetSecurityWarningIcon()
1708 HICON AwtToolkit::GetSecurityWarningIcon(UINT index, UINT w, UINT h)
1709 {
1710 //Note: should not exceed 10 because of the current implementation.
1711 static const int securityWarningIconCounter = 3;
1712
1713 static HICON securityWarningIcon[securityWarningIconCounter] = {NULL, NULL, NULL};;
1714 static UINT securityWarningIconWidth[securityWarningIconCounter] = {0, 0, 0};
1715 static UINT securityWarningIconHeight[securityWarningIconCounter] = {0, 0, 0};
1716
1717 index = AwtToolkit::CalculateWave(index, securityWarningIconCounter);
1718
1719 if (securityWarningIcon[index] == NULL ||
1720 w != securityWarningIconWidth[index] ||
1721 h != securityWarningIconHeight[index])
1722 {
1723 if (securityWarningIcon[index] != NULL)
1724 {
1725 ::DestroyIcon(securityWarningIcon[index]);
1726 }
1727
1728 static const wchar_t securityWarningIconName[] = L"SECURITY_WARNING_";
1729 wchar_t iconResourceName[sizeof(securityWarningIconName) + 2];
1730 ::ZeroMemory(iconResourceName, sizeof(iconResourceName));
1731 wcscpy(iconResourceName, securityWarningIconName);
1732
1733 wchar_t strIndex[2];
1734 ::ZeroMemory(strIndex, sizeof(strIndex));
1735 strIndex[0] = L'0' + index;
1736
1737 wcscat(iconResourceName, strIndex);
1738
1739 securityWarningIcon[index] = (HICON)::LoadImage(GetModuleHandle(),
1740 iconResourceName,
1741 IMAGE_ICON, w, h, LR_DEFAULTCOLOR);
1742 securityWarningIconWidth[index] = w;
1743 securityWarningIconHeight[index] = h;
1744 }
1745
1746 return securityWarningIcon[index];
1747 }
1748
1749 void AwtToolkit::SetHeapCheck(long flag) {
1750 if (flag) {
1751 printf("heap checking not supported with this build\n");
1752 }
1753 }
1754
1755 void throw_if_shutdown(void) throw (awt_toolkit_shutdown)
1756 {
1757 AwtToolkit::GetInstance().VerifyActive();
1758 }
1759 void hang_if_shutdown(void)
1760 {
1761 try {
1762 AwtToolkit::GetInstance().VerifyActive();
1763 } catch (awt_toolkit_shutdown&) {
1764 // Never return. The VM will halt the process.
1765 ::WaitForSingleObject(::CreateEvent(NULL, TRUE, FALSE, NULL),
1766 INFINITE);
1767 // Should never get here.
1768 DASSERT(FALSE);
1769 }
1770 }
1771
1772 // for now we support only one embedder, but should be ready for future
1773 void AwtToolkit::RegisterEmbedderProcessId(HWND embedder)
1774 {
1775 if (m_embedderProcessID) {
1776 // we already set embedder process and do not expect
1777 // two different processes to embed the same AwtToolkit
1778 return;
1779 }
1780
1781 embedder = ::GetAncestor(embedder, GA_ROOT);
1782 ::GetWindowThreadProcessId(embedder, &m_embedderProcessID);
1783 }
1784
1785 JNIEnv* AwtToolkit::m_env;
1786 DWORD AwtToolkit::m_threadId;
1787
1788 void AwtToolkit::SetEnv(JNIEnv *env) {
1789 if (m_env != NULL) { // If already cashed (by means of embeddedInit() call).
1790 return;
1791 }
1792 m_threadId = GetCurrentThreadId();
1793 m_env = env;
1794 }
1795
1796 JNIEnv* AwtToolkit::GetEnv() {
1797 return (m_env == NULL || m_threadId != GetCurrentThreadId()) ?
1798 (JNIEnv*)JNU_GetEnv(jvm, JNI_VERSION_1_2) : m_env;
1799 }
1800
1801 BOOL AwtToolkit::GetScreenInsets(int screenNum, RECT * rect)
1802 {
1803 /* if primary display */
1804 if (screenNum == 0) {
1805 RECT rRW;
1806 if (::SystemParametersInfo(SPI_GETWORKAREA,0,(void *) &rRW,0) == TRUE) {
1807 rect->top = rRW.top;
1808 rect->left = rRW.left;
1809 rect->bottom = ::GetSystemMetrics(SM_CYSCREEN) - rRW.bottom;
1810 rect->right = ::GetSystemMetrics(SM_CXSCREEN) - rRW.right;
1811 return TRUE;
1812 }
1813 }
1814 /* if additional display */
1815 else {
1816 MONITORINFO *miInfo;
1817 miInfo = AwtWin32GraphicsDevice::GetMonitorInfo(screenNum);
1818 if (miInfo) {
1819 rect->top = miInfo->rcWork.top - miInfo->rcMonitor.top;
1820 rect->left = miInfo->rcWork.left - miInfo->rcMonitor.left;
1821 rect->bottom = miInfo->rcMonitor.bottom - miInfo->rcWork.bottom;
1822 rect->right = miInfo->rcMonitor.right - miInfo->rcWork.right;
1823 return TRUE;
1824 }
1825 }
1826 return FALSE;
1827 }
1828
1829
1830 void AwtToolkit::GetWindowRect(HWND hWnd, LPRECT lpRect)
1831 {
1832 try {
1833 if (S_OK == DwmAPI::DwmGetWindowAttribute(hWnd,
1834 DwmAPI::DWMWA_EXTENDED_FRAME_BOUNDS,
1835 lpRect, sizeof(*lpRect)))
1836 {
1837 return;
1838 }
1839 } catch (const DllUtil::Exception &) {}
1840
1841 ::GetWindowRect(hWnd, lpRect);
1842 }
1843
1844
1845 /************************************************************************
1846 * AWT preloading support
1847 */
1848 bool AwtToolkit::PreloadAction::EnsureInited()
1849 {
1850 DWORD _initThreadId = GetInitThreadID();
1851 if (_initThreadId != 0) {
1852 // already inited
1853 // ensure the action is inited on correct thread
1854 PreloadThread &preloadThread
1855 = AwtToolkit::GetInstance().GetPreloadThread();
1856 if (_initThreadId == preloadThread.GetThreadId()) {
1857 if (!preloadThread.IsWrongThread()) {
1858 return true;
1859 }
1860 // inited on preloadThread (wrongThread), not cleaned yet
1861 // have to wait cleanup completion
1862 preloadThread.Wait4Finish();
1863 } else {
1864 // inited on other thread (Toolkit thread?)
1865 // consider as correctly inited
1866 return true;
1867 }
1868 }
1869
1870 // init on Toolkit thread
1871 AwtToolkit::GetInstance().InvokeFunction(InitWrapper, this);
1872
1873 return true;
1874 }
1875
1876 DWORD AwtToolkit::PreloadAction::GetInitThreadID()
1877 {
1878 CriticalSection::Lock lock(initLock);
1879 return initThreadId;
1880 }
1881
1882 bool AwtToolkit::PreloadAction::Clean()
1883 {
1884 DWORD _initThreadId = GetInitThreadID();
1885 if (_initThreadId == ::GetCurrentThreadId()) {
1886 // inited on this thread
1887 Clean(false);
1888 return true;
1889 }
1890 return false;
1891 }
1892
1893 /*static*/
1894 void AwtToolkit::PreloadAction::InitWrapper(void *param)
1895 {
1896 PreloadAction *pThis = (PreloadAction *)param;
1897 pThis->Init();
1898 }
1899
1900 void AwtToolkit::PreloadAction::Init()
1901 {
1902 CriticalSection::Lock lock(initLock);
1903 if (initThreadId == 0) {
1904 initThreadId = ::GetCurrentThreadId();
1905 InitImpl();
1906 }
1907 }
1908
1909 void AwtToolkit::PreloadAction::Clean(bool reInit) {
1910 CriticalSection::Lock lock(initLock);
1911 if (initThreadId != 0) {
1912 //ASSERT(initThreadId == ::GetCurrentThreadId());
1913 CleanImpl(reInit);
1914 initThreadId = 0;
1915 }
1916 }
1917
1918 // PreloadThread implementation
1919 AwtToolkit::PreloadThread::PreloadThread()
1920 : status(None), wrongThread(false), threadId(0),
1921 pActionChain(NULL), pLastProcessedAction(NULL),
1922 execFunc(NULL), execParam(NULL)
1923 {
1924 hFinished = ::CreateEvent(NULL, TRUE, FALSE, NULL);
1925 hAwake = ::CreateEvent(NULL, FALSE, FALSE, NULL);
1926 }
1927
1928 AwtToolkit::PreloadThread::~PreloadThread()
1929 {
1930 //Terminate(false);
1931 ::CloseHandle(hFinished);
1932 ::CloseHandle(hAwake);
1933 }
1934
1935 bool AwtToolkit::PreloadThread::AddAction(AwtToolkit::PreloadAction *pAction)
1936 {
1937 CriticalSection::Lock lock(threadLock);
1938
1939 if (status > Preloading) {
1940 // too late - the thread already terminated or run as toolkit thread
1941 return false;
1942 }
1943
1944 if (pActionChain == NULL) {
1945 // 1st action
1946 pActionChain = pAction;
1947 } else {
1948 // add the action to the chain
1949 PreloadAction *pChain = pActionChain;
1950 while (true) {
1951 PreloadAction *pNext = pChain->GetNext();
1952 if (pNext == NULL) {
1953 break;
1954 }
1955 pChain = pNext;
1956 }
1957 pChain->SetNext(pAction);
1958 }
1959
1960 if (status > None) {
1961 // the thread is already running (status == Preloading)
1962 AwakeThread();
1963 return true;
1964 }
1965
1966 // need to start thread
1967 ::ResetEvent(hAwake);
1968 ::ResetEvent(hFinished);
1969
1970 HANDLE hThread = (HANDLE)_beginthreadex(NULL, 0x100000, StaticThreadProc,
1971 this, 0, &threadId);
1972
1973 if (hThread == 0) {
1974 threadId = 0;
1975 return false;
1976 }
1977
1978 status = Preloading;
1979
1980 ::CloseHandle(hThread);
1981
1982 return true;
1983 }
1984
1985 bool AwtToolkit::PreloadThread::Terminate(bool wrongThread)
1986 {
1987 CriticalSection::Lock lock(threadLock);
1988
1989 if (status != Preloading) {
1990 return false;
1991 }
1992
1993 execFunc = NULL;
1994 execParam = NULL;
1995 this->wrongThread = wrongThread;
1996 status = Cleaning;
1997 AwakeThread();
1998
1999 return true;
2000 }
2001
2002 bool AwtToolkit::PreloadThread::InvokeAndTerminate(void(_cdecl *fn)(void *), void *param)
2003 {
2004 CriticalSection::Lock lock(threadLock);
2005
2006 if (status != Preloading) {
2007 return false;
2008 }
2009
2010 execFunc = fn;
2011 execParam = param;
2012 status = fn == NULL ? Cleaning : RunningToolkit;
2013 AwakeThread();
2014
2015 return true;
2016 }
2017
2018 bool AwtToolkit::PreloadThread::OnPreloadThread()
2019 {
2020 return GetThreadId() == ::GetCurrentThreadId();
2021 }
2022
2023 /*static*/
2024 unsigned WINAPI AwtToolkit::PreloadThread::StaticThreadProc(void *param)
2025 {
2026 AwtToolkit::PreloadThread *pThis = (AwtToolkit::PreloadThread *)param;
2027 return pThis->ThreadProc();
2028 }
2029
2030 unsigned AwtToolkit::PreloadThread::ThreadProc()
2031 {
2032 void(_cdecl *_execFunc)(void *) = NULL;
2033 void *_execParam = NULL;
2034 bool _wrongThread = false;
2035
2036 // initialization
2037 while (true) {
2038 PreloadAction *pAction;
2039 {
2040 CriticalSection::Lock lock(threadLock);
2041 if (status != Preloading) {
2042 // get invoke parameters
2043 _execFunc = execFunc;
2044 _execParam = execParam;
2045 _wrongThread = wrongThread;
2046 break;
2047 }
2048 pAction = GetNextAction();
2049 }
2050 if (pAction != NULL) {
2051 pAction->Init();
2052 } else {
2053 ::WaitForSingleObject(hAwake, INFINITE);
2054 }
2055 }
2056
2057 // call a function from InvokeAndTerminate
2058 if (_execFunc != NULL) {
2059 _execFunc(_execParam);
2060 } else {
2061 // time to terminate..
2062 }
2063
2064 // cleanup
2065 {
2066 CriticalSection::Lock lock(threadLock);
2067 pLastProcessedAction = NULL; // goto 1st action in the chain
2068 status = Cleaning;
2069 }
2070 for (PreloadAction *pAction = GetNextAction(); pAction != NULL;
2071 pAction = GetNextAction()) {
2072 pAction->Clean(_wrongThread);
2073 }
2074
2075 // don't clear threadId! it is used by PreloadAction::EnsureInited
2076
2077 {
2078 CriticalSection::Lock lock(threadLock);
2079 status = Finished;
2080 }
2081 ::SetEvent(hFinished);
2082 return 0;
2083 }
2084
2085 AwtToolkit::PreloadAction* AwtToolkit::PreloadThread::GetNextAction()
2086 {
2087 CriticalSection::Lock lock(threadLock);
2088 PreloadAction *pAction = (pLastProcessedAction == NULL)
2089 ? pActionChain
2090 : pLastProcessedAction->GetNext();
2091 if (pAction != NULL) {
2092 pLastProcessedAction = pAction;
2093 }
2094
2095 return pAction;
2096 }
2097
2098
2099 extern "C" {
2100
2101 /* Terminates preload thread (if it's still alive
2102 * - it may occur if the application doesn't use AWT).
2103 * The function is called from launcher after completion main java thread.
2104 */
2105 __declspec(dllexport) void preloadStop()
2106 {
2107 AwtToolkit::GetInstance().GetPreloadThread().Terminate(false);
2108 }
2109
2110 }
2111
2112
2113 /************************************************************************
2114 * Toolkit native methods
2115 */
2116
2117 extern "C" {
2118
2119 /*
2120 * Class: java_awt_Toolkit
2121 * Method: initIDs
2122 * Signature: ()V
2123 */
2124 JNIEXPORT void JNICALL
2125 Java_java_awt_Toolkit_initIDs(JNIEnv *env, jclass cls) {
2126 TRY;
2127
2128 AwtToolkit::getDefaultToolkitMID =
2129 env->GetStaticMethodID(cls,"getDefaultToolkit","()Ljava/awt/Toolkit;");
2130 DASSERT(AwtToolkit::getDefaultToolkitMID != NULL);
2131 CHECK_NULL(AwtToolkit::getDefaultToolkitMID);
2132
2133 AwtToolkit::getFontMetricsMID =
2134 env->GetMethodID(cls, "getFontMetrics", "(Ljava/awt/Font;)Ljava/awt/FontMetrics;");
2135 DASSERT(AwtToolkit::getFontMetricsMID != NULL);
2136 CHECK_NULL(AwtToolkit::getFontMetricsMID);
2137
2138 jclass insetsClass = env->FindClass("java/awt/Insets");
2139 DASSERT(insetsClass != NULL);
2140 CHECK_NULL(insetsClass);
2141 AwtToolkit::insetsMID = env->GetMethodID(insetsClass, "<init>", "(IIII)V");
2142 DASSERT(AwtToolkit::insetsMID != NULL);
2143 CHECK_NULL(AwtToolkit::insetsMID);
2144
2145 CATCH_BAD_ALLOC;
2146 }
2147
2148
2149 } /* extern "C" */
2150
2151 /************************************************************************
2152 * WToolkit native methods
2153 */
2154
2155 extern "C" {
2156
2157 /*
2158 * Class: sun_awt_windows_WToolkit
2159 * Method: initIDs
2160 * Signature: ()V
2161 */
2162 JNIEXPORT void JNICALL
2163 Java_sun_awt_windows_WToolkit_initIDs(JNIEnv *env, jclass cls)
2164 {
2165 TRY;
2166
2167 AwtToolkit::windowsSettingChangeMID =
2168 env->GetMethodID(cls, "windowsSettingChange", "()V");
2169 DASSERT(AwtToolkit::windowsSettingChangeMID != 0);
2170 CHECK_NULL(AwtToolkit::windowsSettingChangeMID);
2171
2172 AwtToolkit::displayChangeMID =
2173 env->GetStaticMethodID(cls, "displayChanged", "()V");
2174 DASSERT(AwtToolkit::displayChangeMID != 0);
2175 CHECK_NULL(AwtToolkit::displayChangeMID);
2176
2177 // Set various global IDs needed by JAWT code. Note: these
2178 // variables cannot be set by JAWT code directly due to
2179 // different permissions that that code may be run under
2180 // (bug 4796548). It would be nice to initialize these
2181 // variables lazily, but given the minimal number of calls
2182 // for this, it seems simpler to just do it at startup with
2183 // negligible penalty.
2184 jclass sDataClassLocal = env->FindClass("sun/java2d/SurfaceData");
2185 DASSERT(sDataClassLocal != 0);
2186 CHECK_NULL(sDataClassLocal);
2187
2188 jclass vImgClassLocal = env->FindClass("sun/awt/image/SunVolatileImage");
2189 DASSERT(vImgClassLocal != 0);
2190 CHECK_NULL(vImgClassLocal);
2191
2192 jclass vSMgrClassLocal =
2193 env->FindClass("sun/awt/image/VolatileSurfaceManager");
2194 DASSERT(vSMgrClassLocal != 0);
2195 CHECK_NULL(vSMgrClassLocal);
2196
2197 jclass componentClassLocal = env->FindClass("java/awt/Component");
2198 DASSERT(componentClassLocal != 0);
2199 CHECK_NULL(componentClassLocal);
2200
2201 jawtSMgrID = env->GetFieldID(vImgClassLocal, "volSurfaceManager",
2202 "Lsun/awt/image/VolatileSurfaceManager;");
2203 DASSERT(jawtSMgrID != 0);
2204 CHECK_NULL(jawtSMgrID);
2205
2206 jawtSDataID = env->GetFieldID(vSMgrClassLocal, "sdCurrent",
2207 "Lsun/java2d/SurfaceData;");
2208 DASSERT(jawtSDataID != 0);
2209 CHECK_NULL(jawtSDataID);
2210
2211 jawtPDataID = env->GetFieldID(sDataClassLocal, "pData", "J");
2212 DASSERT(jawtPDataID != 0);
2213 CHECK_NULL(jawtPDataID);
2214 // Save these classes in global references for later use
2215 jawtVImgClass = (jclass)env->NewGlobalRef(vImgClassLocal);
2216 CHECK_NULL(jawtVImgClass);
2217 jawtComponentClass = (jclass)env->NewGlobalRef(componentClassLocal);
2218
2219 jclass dPeerClassLocal = env->FindClass("sun/awt/windows/WDesktopPeer");
2220 DASSERT(dPeerClassLocal != 0);
2221 CHECK_NULL(dPeerClassLocal);
2222
2223 jclass reasonClassLocal = env->FindClass("java/awt/desktop/UserSessionEvent$Reason");
2224 CHECK_NULL(reasonClassLocal);
2225
2226 reasonUnspecified = GetStaticObject(env, reasonClassLocal, "UNSPECIFIED",
2227 "Ljava/awt/desktop/UserSessionEvent$Reason;");
2228 CHECK_NULL (reasonUnspecified);
2229 reasonUnspecified = env->NewGlobalRef(reasonUnspecified);
2230
2231 reasonConsole = GetStaticObject(env, reasonClassLocal, "CONSOLE",
2232 "Ljava/awt/desktop/UserSessionEvent$Reason;");
2233 CHECK_NULL (reasonConsole);
2234 reasonConsole = env->NewGlobalRef(reasonConsole);
2235
2236 reasonRemote = GetStaticObject(env, reasonClassLocal, "REMOTE",
2237 "Ljava/awt/desktop/UserSessionEvent$Reason;");
2238 CHECK_NULL (reasonRemote);
2239 reasonRemote = env->NewGlobalRef(reasonRemote);
2240
2241 reasonLock = GetStaticObject(env, reasonClassLocal, "LOCK",
2242 "Ljava/awt/desktop/UserSessionEvent$Reason;");
2243 CHECK_NULL (reasonLock);
2244 reasonLock = env->NewGlobalRef(reasonLock);
2245
2246
2247 AwtToolkit::userSessionMID =
2248 env->GetStaticMethodID(dPeerClassLocal, "userSessionCallback",
2249 "(ZLjava/awt/desktop/UserSessionEvent$Reason;)V");
2250 DASSERT(AwtToolkit::userSessionMID != 0);
2251 CHECK_NULL(AwtToolkit::userSessionMID);
2252
2253 AwtToolkit::systemSleepMID =
2254 env->GetStaticMethodID(dPeerClassLocal, "systemSleepCallback", "(Z)V");
2255 DASSERT(AwtToolkit::systemSleepMID != 0);
2256 CHECK_NULL(AwtToolkit::systemSleepMID);
2257
2258 CATCH_BAD_ALLOC;
2259 }
2260
2261
2262 /*
2263 * Class: sun_awt_windows_Toolkit
2264 * Method: disableCustomPalette
2265 * Signature: ()V
2266 */
2267 JNIEXPORT void JNICALL
2268 Java_sun_awt_windows_WToolkit_disableCustomPalette(JNIEnv *env, jclass cls) {
2269 AwtPalette::DisableCustomPalette();
2270 }
2271
2272 /*
2273 * Class: sun_awt_windows_WToolkit
2274 * Method: embeddedInit
2275 * Signature: ()Z
2276 */
2277 JNIEXPORT jboolean JNICALL
2278 Java_sun_awt_windows_WToolkit_embeddedInit(JNIEnv *env, jclass cls)
2279 {
2280 TRY;
2281
2282 AwtToolkit::SetEnv(env);
2283
2284 return AwtToolkit::GetInstance().Initialize(FALSE);
2285
2286 CATCH_BAD_ALLOC_RET(JNI_FALSE);
2287 }
2288
2289 /*
2290 * Class: sun_awt_windows_WToolkit
2291 * Method: embeddedDispose
2292 * Signature: ()Z
2293 */
2294 JNIEXPORT jboolean JNICALL
2295 Java_sun_awt_windows_WToolkit_embeddedDispose(JNIEnv *env, jclass cls)
2296 {
2297 TRY;
2298
2299 BOOL retval = AwtToolkit::GetInstance().Dispose();
2300 AwtToolkit::GetInstance().SetPeer(env, NULL);
2301 return retval;
2302
2303 CATCH_BAD_ALLOC_RET(JNI_FALSE);
2304 }
2305
2306 /*
2307 * Class: sun_awt_windows_WToolkit
2308 * Method: embeddedEventLoopIdleProcessing
2309 * Signature: ()V
2310 */
2311 JNIEXPORT void JNICALL
2312 Java_sun_awt_windows_WToolkit_embeddedEventLoopIdleProcessing(JNIEnv *env,
2313 jobject self)
2314 {
2315 VerifyWindowMoveLockReleased();
2316 }
2317
2318
2319 /*
2320 * Class: sun_awt_windows_WToolkit
2321 * Method: init
2322 * Signature: ()Z
2323 */
2324 JNIEXPORT jboolean JNICALL
2325 Java_sun_awt_windows_WToolkit_init(JNIEnv *env, jobject self)
2326 {
2327 TRY;
2328
2329 AwtToolkit::SetEnv(env);
2330
2331 AwtToolkit::GetInstance().SetPeer(env, self);
2332
2333 // This call will fail if the Toolkit was already initialized.
2334 // In that case, we don't want to start another message pump.
2335 return AwtToolkit::GetInstance().Initialize(TRUE);
2336
2337 CATCH_BAD_ALLOC_RET(FALSE);
2338 }
2339
2340 /*
2341 * Class: sun_awt_windows_WToolkit
2342 * Method: eventLoop
2343 * Signature: ()V
2344 */
2345 JNIEXPORT void JNICALL
2346 Java_sun_awt_windows_WToolkit_eventLoop(JNIEnv *env, jobject self)
2347 {
2348 TRY;
2349
2350 DASSERT(AwtToolkit::GetInstance().localPump());
2351
2352 AwtToolkit::SetBusy(TRUE);
2353
2354 AwtToolkit::GetInstance().MessageLoop(AwtToolkit::PrimaryIdleFunc,
2355 AwtToolkit::CommonPeekMessageFunc);
2356
2357 AwtToolkit::GetInstance().Dispose();
2358
2359 AwtToolkit::SetBusy(FALSE);
2360
2361 /*
2362 * IMPORTANT NOTES:
2363 * The AwtToolkit has been destructed by now.
2364 * DO NOT CALL any method of AwtToolkit!!!
2365 */
2366
2367 CATCH_BAD_ALLOC;
2368 }
2369
2370 /*
2371 * Class: sun_awt_windows_WToolkit
2372 * Method: shutdown
2373 * Signature: ()V
2374 */
2375 JNIEXPORT void JNICALL
2376 Java_sun_awt_windows_WToolkit_shutdown(JNIEnv *env, jobject self)
2377 {
2378 TRY;
2379
2380 AwtToolkit& tk = AwtToolkit::GetInstance();
2381
2382 tk.QuitMessageLoop(AwtToolkit::EXIT_ALL_ENCLOSING_LOOPS);
2383
2384 while (!tk.IsDisposed()) {
2385 Sleep(100);
2386 }
2387
2388 CATCH_BAD_ALLOC;
2389 }
2390
2391 /*
2392 * Class: sun_awt_windows_WToolkit
2393 * Method: startSecondaryEventLoop
2394 * Signature: ()V;
2395 */
2396 JNIEXPORT void JNICALL
2397 Java_sun_awt_windows_WToolkit_startSecondaryEventLoop(
2398 JNIEnv *env,
2399 jclass)
2400 {
2401 TRY;
2402
2403 DASSERT(AwtToolkit::MainThread() == ::GetCurrentThreadId());
2404
2405 AwtToolkit::GetInstance().MessageLoop(AwtToolkit::SecondaryIdleFunc,
2406 AwtToolkit::CommonPeekMessageFunc);
2407
2408 CATCH_BAD_ALLOC;
2409 }
2410
2411 /*
2412 * Class: sun_awt_windows_WToolkit
2413 * Method: quitSecondaryEventLoop
2414 * Signature: ()V;
2415 */
2416 JNIEXPORT void JNICALL
2417 Java_sun_awt_windows_WToolkit_quitSecondaryEventLoop(
2418 JNIEnv *env,
2419 jclass)
2420 {
2421 TRY;
2422
2423 AwtToolkit::GetInstance().QuitMessageLoop(AwtToolkit::EXIT_ENCLOSING_LOOP);
2424
2425 CATCH_BAD_ALLOC;
2426 }
2427
2428 /*
2429 * Class: sun_awt_windows_WToolkit
2430 * Method: makeColorModel
2431 * Signature: ()Ljava/awt/image/ColorModel;
2432 */
2433 JNIEXPORT jobject JNICALL
2434 Java_sun_awt_windows_WToolkit_makeColorModel(JNIEnv *env, jclass cls)
2435 {
2436 TRY;
2437
2438 return AwtWin32GraphicsDevice::GetColorModel(env, JNI_FALSE,
2439 AwtWin32GraphicsDevice::GetDefaultDeviceIndex());
2440
2441 CATCH_BAD_ALLOC_RET(NULL);
2442 }
2443
2444 /*
2445 * Class: sun_awt_windows_WToolkit
2446 * Method: getMaximumCursorColors
2447 * Signature: ()I
2448 */
2449 JNIEXPORT jint JNICALL
2450 Java_sun_awt_windows_WToolkit_getMaximumCursorColors(JNIEnv *env, jobject self)
2451 {
2452 TRY;
2453
2454 HDC hIC = ::CreateIC(TEXT("DISPLAY"), NULL, NULL, NULL);
2455
2456 int nColor = 256;
2457 switch (::GetDeviceCaps(hIC, BITSPIXEL) * ::GetDeviceCaps(hIC, PLANES)) {
2458 case 1: nColor = 2; break;
2459 case 4: nColor = 16; break;
2460 case 8: nColor = 256; break;
2461 case 16: nColor = 65536; break;
2462 case 24: nColor = 16777216; break;
2463 }
2464 ::DeleteDC(hIC);
2465 return nColor;
2466
2467 CATCH_BAD_ALLOC_RET(0);
2468 }
2469
2470 /*
2471 * Class: sun_awt_windows_WToolkit
2472 * Method: getSreenInsets
2473 * Signature: (I)Ljava/awt/Insets;
2474 */
2475 JNIEXPORT jobject JNICALL
2476 Java_sun_awt_windows_WToolkit_getScreenInsets(JNIEnv *env,
2477 jobject self,
2478 jint screen)
2479 {
2480 jobject insets = NULL;
2481 RECT rect;
2482
2483 TRY;
2484
2485 if (AwtToolkit::GetScreenInsets(screen, &rect)) {
2486 jclass insetsClass = env->FindClass("java/awt/Insets");
2487 DASSERT(insetsClass != NULL);
2488 CHECK_NULL_RETURN(insetsClass, NULL);
2489
2490 insets = env->NewObject(insetsClass,
2491 AwtToolkit::insetsMID,
2492 rect.top,
2493 rect.left,
2494 rect.bottom,
2495 rect.right);
2496 }
2497
2498 if (safe_ExceptionOccurred(env)) {
2499 return 0;
2500 }
2501 return insets;
2502
2503 CATCH_BAD_ALLOC_RET(NULL);
2504 }
2505
2506
2507 /*
2508 * Class: sun_awt_windows_WToolkit
2509 * Method: nativeSync
2510 * Signature: ()V
2511 */
2512 JNIEXPORT void JNICALL
2513 Java_sun_awt_windows_WToolkit_nativeSync(JNIEnv *env, jobject self)
2514 {
2515 TRY;
2516
2517 // Synchronize both GDI and DDraw
2518 VERIFY(::GdiFlush());
2519
2520 CATCH_BAD_ALLOC;
2521 }
2522
2523 /*
2524 * Class: sun_awt_windows_WToolkit
2525 * Method: beep
2526 * Signature: ()V
2527 */
2528 JNIEXPORT void JNICALL
2529 Java_sun_awt_windows_WToolkit_beep(JNIEnv *env, jobject self)
2530 {
2531 TRY;
2532
2533 VERIFY(::MessageBeep(MB_OK));
2534
2535 CATCH_BAD_ALLOC;
2536 }
2537
2538 /*
2539 * Class: sun_awt_windows_WToolkit
2540 * Method: getLockingKeyStateNative
2541 * Signature: (I)Z
2542 */
2543 JNIEXPORT jboolean JNICALL
2544 Java_sun_awt_windows_WToolkit_getLockingKeyStateNative(JNIEnv *env, jobject self, jint javaKey)
2545 {
2546 TRY;
2547
2548 UINT windowsKey, modifiers;
2549 AwtComponent::JavaKeyToWindowsKey(javaKey, &windowsKey, &modifiers);
2550
2551 if (windowsKey == 0) {
2552 JNU_ThrowByName(env, "java/lang/UnsupportedOperationException", "Keyboard doesn't have requested key");
2553 return JNI_FALSE;
2554 }
2555
2556 // low order bit in keyboardState indicates whether the key is toggled
2557 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
2558 AwtToolkit::GetKeyboardState(keyboardState);
2559 return keyboardState[windowsKey] & 0x01;
2560
2561 CATCH_BAD_ALLOC_RET(JNI_FALSE);
2562 }
2563
2564 /*
2565 * Class: sun_awt_windows_WToolkit
2566 * Method: setLockingKeyStateNative
2567 * Signature: (IZ)V
2568 */
2569 JNIEXPORT void JNICALL
2570 Java_sun_awt_windows_WToolkit_setLockingKeyStateNative(JNIEnv *env, jobject self, jint javaKey, jboolean state)
2571 {
2572 TRY;
2573
2574 UINT windowsKey, modifiers;
2575 AwtComponent::JavaKeyToWindowsKey(javaKey, &windowsKey, &modifiers);
2576
2577 if (windowsKey == 0) {
2578 JNU_ThrowByName(env, "java/lang/UnsupportedOperationException", "Keyboard doesn't have requested key");
2579 return;
2580 }
2581
2582 // if the key isn't in the desired state yet, simulate key events to get there
2583 // low order bit in keyboardState indicates whether the key is toggled
2584 BYTE keyboardState[AwtToolkit::KB_STATE_SIZE];
2585 AwtToolkit::GetKeyboardState(keyboardState);
2586 if ((keyboardState[windowsKey] & 0x01) != state) {
2587 ::keybd_event(windowsKey, 0, 0, 0);
2588 ::keybd_event(windowsKey, 0, KEYEVENTF_KEYUP, 0);
2589 }
2590
2591 CATCH_BAD_ALLOC;
2592 }
2593
2594 /*
2595 * Class: sun_awt_windows_WToolkit
2596 * Method: loadSystemColors
2597 * Signature: ([I)V
2598 */
2599 JNIEXPORT void JNICALL
2600 Java_sun_awt_windows_WToolkit_loadSystemColors(JNIEnv *env, jobject self,
2601 jintArray colors)
2602 {
2603 TRY;
2604
2605 static int indexMap[] = {
2606 COLOR_DESKTOP, /* DESKTOP */
2607 COLOR_ACTIVECAPTION, /* ACTIVE_CAPTION */
2608 COLOR_CAPTIONTEXT, /* ACTIVE_CAPTION_TEXT */
2609 COLOR_ACTIVEBORDER, /* ACTIVE_CAPTION_BORDER */
2610 COLOR_INACTIVECAPTION, /* INACTIVE_CAPTION */
2611 COLOR_INACTIVECAPTIONTEXT, /* INACTIVE_CAPTION_TEXT */
2612 COLOR_INACTIVEBORDER, /* INACTIVE_CAPTION_BORDER */
2613 COLOR_WINDOW, /* WINDOW */
2614 COLOR_WINDOWFRAME, /* WINDOW_BORDER */
2615 COLOR_WINDOWTEXT, /* WINDOW_TEXT */
2616 COLOR_MENU, /* MENU */
2617 COLOR_MENUTEXT, /* MENU_TEXT */
2618 COLOR_WINDOW, /* TEXT */
2619 COLOR_WINDOWTEXT, /* TEXT_TEXT */
2620 COLOR_HIGHLIGHT, /* TEXT_HIGHLIGHT */
2621 COLOR_HIGHLIGHTTEXT, /* TEXT_HIGHLIGHT_TEXT */
2622 COLOR_GRAYTEXT, /* TEXT_INACTIVE_TEXT */
2623 COLOR_3DFACE, /* CONTROL */
2624 COLOR_BTNTEXT, /* CONTROL_TEXT */
2625 COLOR_3DLIGHT, /* CONTROL_HIGHLIGHT */
2626 COLOR_3DHILIGHT, /* CONTROL_LT_HIGHLIGHT */
2627 COLOR_3DSHADOW, /* CONTROL_SHADOW */
2628 COLOR_3DDKSHADOW, /* CONTROL_DK_SHADOW */
2629 COLOR_SCROLLBAR, /* SCROLLBAR */
2630 COLOR_INFOBK, /* INFO */
2631 COLOR_INFOTEXT, /* INFO_TEXT */
2632 };
2633
2634 jint colorLen = env->GetArrayLength(colors);
2635 jint* colorsPtr = NULL;
2636 try {
2637 colorsPtr = (jint *)env->GetPrimitiveArrayCritical(colors, 0);
2638 for (int i = 0; i < (sizeof indexMap)/(sizeof *indexMap) && i < colorLen; i++) {
2639 colorsPtr[i] = DesktopColor2RGB(indexMap[i]);
2640 }
2641 } catch (...) {
2642 if (colorsPtr != NULL) {
2643 env->ReleasePrimitiveArrayCritical(colors, colorsPtr, 0);
2644 }
2645 throw;
2646 }
2647
2648 env->ReleasePrimitiveArrayCritical(colors, colorsPtr, 0);
2649
2650 CATCH_BAD_ALLOC;
2651 }
2652
2653 extern "C" JNIEXPORT jobject JNICALL DSGetComponent
2654 (JNIEnv* env, void* platformInfo)
2655 {
2656 TRY;
2657
2658 HWND hWnd = (HWND)platformInfo;
2659 if (!::IsWindow(hWnd))
2660 return NULL;
2661
2662 AwtComponent* comp = AwtComponent::GetComponent(hWnd);
2663 if (comp == NULL)
2664 return NULL;
2665
2666 return comp->GetTarget(env);
2667
2668 CATCH_BAD_ALLOC_RET(NULL);
2669 }
2670
2671 JNIEXPORT void JNICALL
2672 Java_sun_awt_windows_WToolkit_postDispose(JNIEnv *env, jclass clazz)
2673 {
2674 #ifdef DEBUG
2675 TRY_NO_VERIFY;
2676
2677 // If this method was called, that means runFinalizersOnExit is turned
2678 // on and the VM is exiting cleanly. We should signal the debug memory
2679 // manager to generate a leaks report.
2680 AwtDebugSupport::GenerateLeaksReport();
2681
2682 CATCH_BAD_ALLOC;
2683 #endif
2684 }
2685
2686 /*
2687 * Class: sun_awt_windows_WToolkit
2688 * Method: setDynamicLayoutNative
2689 * Signature: (Z)V
2690 */
2691 JNIEXPORT void JNICALL
2692 Java_sun_awt_windows_WToolkit_setDynamicLayoutNative(JNIEnv *env,
2693 jobject self, jboolean dynamic)
2694 {
2695 TRY;
2696
2697 AwtToolkit::GetInstance().SetDynamicLayout(dynamic);
2698
2699 CATCH_BAD_ALLOC;
2700 }
2701
2702 /*
2703 * Class: sun_awt_windows_WToolkit
2704 * Method: isDynamicLayoutSupportedNative
2705 * Signature: ()Z
2706 */
2707 JNIEXPORT jboolean JNICALL
2708 Java_sun_awt_windows_WToolkit_isDynamicLayoutSupportedNative(JNIEnv *env,
2709 jobject self)
2710 {
2711 TRY;
2712
2713 return (jboolean) AwtToolkit::GetInstance().IsDynamicLayoutSupported();
2714
2715 CATCH_BAD_ALLOC_RET(FALSE);
2716 }
2717
2718 /*
2719 * Class: sun_awt_windows_WToolkit
2720 * Method: printWindowsVersion
2721 * Signature: ()Ljava/lang/String;
2722 */
2723 JNIEXPORT jstring JNICALL
2724 Java_sun_awt_windows_WToolkit_getWindowsVersion(JNIEnv *env, jclass cls)
2725 {
2726 TRY;
2727
2728 WCHAR szVer[128];
2729
2730 DWORD version = ::GetVersion();
2731 swprintf(szVer, 128, L"0x%x = %ld", version, version);
2732 int l = lstrlen(szVer);
2733
2734 if (IS_WIN2000) {
2735 if (IS_WINXP) {
2736 if (IS_WINVISTA) {
2737 swprintf(szVer + l, 128, L" (Windows Vista)");
2738 } else {
2739 swprintf(szVer + l, 128, L" (Windows XP)");
2740 }
2741 } else {
2742 swprintf(szVer + l, 128, L" (Windows 2000)");
2743 }
2744 } else {
2745 swprintf(szVer + l, 128, L" (Unknown)");
2746 }
2747
2748 return JNU_NewStringPlatform(env, szVer);
2749
2750 CATCH_BAD_ALLOC_RET(NULL);
2751 }
2752
2753 JNIEXPORT jboolean JNICALL
2754 Java_sun_awt_windows_WToolkit_syncNativeQueue(JNIEnv *env, jobject self, jlong timeout)
2755 {
2756 AwtToolkit & tk = AwtToolkit::GetInstance();
2757 DWORD eventNumber = tk.eventNumber;
2758 tk.PostMessage(WM_SYNC_WAIT, 0, 0);
2759 for(long t = 2; t < timeout &&
2760 WAIT_TIMEOUT == ::WaitForSingleObject(tk.m_waitEvent, 2); t+=2) {
2761 if (tk.isInDoDragDropLoop) {
2762 break;
2763 }
2764 }
2765 DWORD newEventNumber = tk.eventNumber;
2766 return (newEventNumber - eventNumber) > 2;
2767 }
2768
2769 } /* extern "C" */
2770
2771 /* Convert a Windows desktop color index into an RGB value. */
2772 COLORREF DesktopColor2RGB(int colorIndex) {
2773 DWORD sysColor = ::GetSysColor(colorIndex);
2774 return ((GetRValue(sysColor)<<16) | (GetGValue(sysColor)<<8) |
2775 (GetBValue(sysColor)) | 0xff000000);
2776 }
2777
2778
2779 /*
2780 * Class: sun_awt_SunToolkit
2781 * Method: closeSplashScreen
2782 * Signature: ()V
2783 */
2784 extern "C" JNIEXPORT void JNICALL
2785 Java_sun_awt_SunToolkit_closeSplashScreen(JNIEnv *env, jclass cls)
2786 {
2787 typedef void (*SplashClose_t)();
2788 HMODULE hSplashDll = GetModuleHandle(_T("splashscreen.dll"));
2789 if (!hSplashDll) {
2790 return; // dll not loaded
2791 }
2792 SplashClose_t splashClose = (SplashClose_t)GetProcAddress(hSplashDll,
2793 "SplashClose");
2794 if (splashClose) {
2795 splashClose();
2796 }
2797 }
2798
2799 /*
2800 * accessible from awt_Component
2801 */
2802 BOOL AwtToolkit::areExtraMouseButtonsEnabled() {
2803 return m_areExtraMouseButtonsEnabled;
2804 }
2805
2806 /*
2807 * Class: sun_awt_windows_WToolkit
2808 * Method: setExtraMouseButtonsEnabledNative
2809 * Signature: (Z)V
2810 */
2811 extern "C" JNIEXPORT void JNICALL Java_sun_awt_windows_WToolkit_setExtraMouseButtonsEnabledNative
2812 (JNIEnv *env, jclass self, jboolean enable){
2813 TRY;
2814 AwtToolkit::GetInstance().setExtraMouseButtonsEnabled(enable);
2815 CATCH_BAD_ALLOC;
2816 }
2817
2818 void AwtToolkit::setExtraMouseButtonsEnabled(BOOL enable) {
2819 m_areExtraMouseButtonsEnabled = enable;
2820 }
2821
2822 JNIEXPORT jint JNICALL Java_sun_awt_windows_WToolkit_getNumberOfButtonsImpl
2823 (JNIEnv *, jobject self) {
2824 return AwtToolkit::GetNumberOfButtons();
2825 }
2826
2827 UINT AwtToolkit::GetNumberOfButtons() {
2828 return MOUSE_BUTTONS_WINDOWS_SUPPORTED;
2829 }