4 * The Windows-specific mouse cursor related stuff.
6 * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
7 * Written by John F. Fay, <fayjf@sourceforge.net>
8 * Creation date: Sat Jan 21, 2012
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include <GL/freeglut.h>
29 #include "../fg_internal.h"
31 extern void fghRedrawWindow ( SFG_Window *window );
32 extern void fghRedrawWindowAndChildren ( SFG_Window *window );
33 extern void fghOnReshapeNotify(SFG_Window *window, int width, int height, GLboolean forceNotify);
34 extern void fghOnPositionNotify(SFG_Window *window, int x, int y, GLboolean forceNotify);
35 extern void fghComputeWindowRectFromClientArea_QueryWindow( RECT *clientRect, const SFG_Window *window, BOOL posIsOutside );
36 extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL posIsOutside );
38 extern void fgNewWGLCreateContext( SFG_Window* window );
39 extern GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
40 unsigned char layer_type );
42 extern void fgPlatformCheckMenuDeactivate(HWND newFocusWnd);
45 typedef BOOL (WINAPI *pGetTouchInputInfo)(HTOUCHINPUT,UINT,PTOUCHINPUT,int);
46 typedef BOOL (WINAPI *pCloseTouchInputHandle)(HTOUCHINPUT);
47 static pGetTouchInputInfo fghGetTouchInputInfo = (pGetTouchInputInfo)0xDEADBEEF;
48 static pCloseTouchInputHandle fghCloseTouchInputHandle = (pCloseTouchInputHandle)0xDEADBEEF;
52 typedef struct GXDisplayProperties GXDisplayProperties;
53 typedef struct GXKeyList GXKeyList;
56 typedef struct GXKeyList (*GXGETDEFAULTKEYS)(int);
57 typedef int (*GXOPENINPUT)();
59 GXGETDEFAULTKEYS GXGetDefaultKeys_ = NULL;
60 GXOPENINPUT GXOpenInput_ = NULL;
62 struct GXKeyList gxKeyList;
63 #endif /* _WIN32_WCE */
67 * WM_ message to string, for debugging
68 * This is taken from the 8.0 SDK, so Windows 8 API and everything earlier is included
75 #define DEFINE_MESSAGE(wm){ wm, #wm }
76 static struct WM_MESSAGE_MAP allMessages[] =
78 DEFINE_MESSAGE(WM_NULL),
79 DEFINE_MESSAGE(WM_CREATE),
80 DEFINE_MESSAGE(WM_DESTROY),
81 DEFINE_MESSAGE(WM_MOVE),
82 DEFINE_MESSAGE(WM_SIZE),
84 DEFINE_MESSAGE(WM_ACTIVATE),
85 DEFINE_MESSAGE(WM_SETFOCUS),
86 DEFINE_MESSAGE(WM_KILLFOCUS),
87 DEFINE_MESSAGE(WM_ENABLE),
88 DEFINE_MESSAGE(WM_SETREDRAW),
89 DEFINE_MESSAGE(WM_SETTEXT),
90 DEFINE_MESSAGE(WM_GETTEXT),
91 DEFINE_MESSAGE(WM_GETTEXTLENGTH),
92 DEFINE_MESSAGE(WM_PAINT),
93 DEFINE_MESSAGE(WM_CLOSE),
95 DEFINE_MESSAGE(WM_QUERYENDSESSION),
96 DEFINE_MESSAGE(WM_QUERYOPEN),
97 DEFINE_MESSAGE(WM_ENDSESSION),
99 DEFINE_MESSAGE(WM_QUIT),
100 DEFINE_MESSAGE(WM_ERASEBKGND),
101 DEFINE_MESSAGE(WM_SYSCOLORCHANGE),
102 DEFINE_MESSAGE(WM_SHOWWINDOW),
103 DEFINE_MESSAGE(WM_WININICHANGE),
105 DEFINE_MESSAGE(WM_DEVMODECHANGE),
106 DEFINE_MESSAGE(WM_ACTIVATEAPP),
107 DEFINE_MESSAGE(WM_FONTCHANGE),
108 DEFINE_MESSAGE(WM_TIMECHANGE),
109 DEFINE_MESSAGE(WM_CANCELMODE),
110 DEFINE_MESSAGE(WM_SETCURSOR),
111 DEFINE_MESSAGE(WM_MOUSEACTIVATE),
112 DEFINE_MESSAGE(WM_CHILDACTIVATE),
113 DEFINE_MESSAGE(WM_QUEUESYNC),
115 DEFINE_MESSAGE(WM_GETMINMAXINFO),
117 DEFINE_MESSAGE(WM_PAINTICON),
118 DEFINE_MESSAGE(WM_ICONERASEBKGND),
119 DEFINE_MESSAGE(WM_NEXTDLGCTL),
120 DEFINE_MESSAGE(WM_SPOOLERSTATUS),
121 DEFINE_MESSAGE(WM_DRAWITEM),
122 DEFINE_MESSAGE(WM_MEASUREITEM),
123 DEFINE_MESSAGE(WM_DELETEITEM),
124 DEFINE_MESSAGE(WM_VKEYTOITEM),
125 DEFINE_MESSAGE(WM_CHARTOITEM),
126 DEFINE_MESSAGE(WM_SETFONT),
127 DEFINE_MESSAGE(WM_GETFONT),
128 DEFINE_MESSAGE(WM_SETHOTKEY),
129 DEFINE_MESSAGE(WM_GETHOTKEY),
130 DEFINE_MESSAGE(WM_QUERYDRAGICON),
131 DEFINE_MESSAGE(WM_COMPAREITEM),
132 # if(WINVER >= 0x0500)
134 DEFINE_MESSAGE(WM_GETOBJECT),
136 # endif /* WINVER >= 0x0500 */
137 DEFINE_MESSAGE(WM_COMPACTING),
138 DEFINE_MESSAGE(WM_COMMNOTIFY),
139 DEFINE_MESSAGE(WM_WINDOWPOSCHANGING),
140 DEFINE_MESSAGE(WM_WINDOWPOSCHANGED),
142 DEFINE_MESSAGE(WM_POWER),
144 DEFINE_MESSAGE(WM_COPYDATA),
145 DEFINE_MESSAGE(WM_CANCELJOURNAL),
147 # if(WINVER >= 0x0400)
148 DEFINE_MESSAGE(WM_NOTIFY),
149 DEFINE_MESSAGE(WM_INPUTLANGCHANGEREQUEST),
150 DEFINE_MESSAGE(WM_INPUTLANGCHANGE),
151 DEFINE_MESSAGE(WM_TCARD),
152 DEFINE_MESSAGE(WM_HELP),
153 DEFINE_MESSAGE(WM_USERCHANGED),
154 DEFINE_MESSAGE(WM_NOTIFYFORMAT),
156 DEFINE_MESSAGE(WM_CONTEXTMENU),
157 DEFINE_MESSAGE(WM_STYLECHANGING),
158 DEFINE_MESSAGE(WM_STYLECHANGED),
159 DEFINE_MESSAGE(WM_DISPLAYCHANGE),
160 DEFINE_MESSAGE(WM_GETICON),
161 DEFINE_MESSAGE(WM_SETICON),
162 # endif /* WINVER >= 0x0400 */
164 DEFINE_MESSAGE(WM_NCCREATE),
165 DEFINE_MESSAGE(WM_NCDESTROY),
166 DEFINE_MESSAGE(WM_NCCALCSIZE),
167 DEFINE_MESSAGE(WM_NCHITTEST),
168 DEFINE_MESSAGE(WM_NCPAINT),
169 DEFINE_MESSAGE(WM_NCACTIVATE),
170 DEFINE_MESSAGE(WM_GETDLGCODE),
172 DEFINE_MESSAGE(WM_SYNCPAINT),
174 DEFINE_MESSAGE(WM_NCMOUSEMOVE),
175 DEFINE_MESSAGE(WM_NCLBUTTONDOWN),
176 DEFINE_MESSAGE(WM_NCLBUTTONUP),
177 DEFINE_MESSAGE(WM_NCLBUTTONDBLCLK),
178 DEFINE_MESSAGE(WM_NCRBUTTONDOWN),
179 DEFINE_MESSAGE(WM_NCRBUTTONUP),
180 DEFINE_MESSAGE(WM_NCRBUTTONDBLCLK),
181 DEFINE_MESSAGE(WM_NCMBUTTONDOWN),
182 DEFINE_MESSAGE(WM_NCMBUTTONUP),
183 DEFINE_MESSAGE(WM_NCMBUTTONDBLCLK),
187 # if(_WIN32_WINNT >= 0x0500) && defined(WM_NCXBUTTONDOWN)
188 DEFINE_MESSAGE(WM_NCXBUTTONDOWN),
189 DEFINE_MESSAGE(WM_NCXBUTTONUP),
190 DEFINE_MESSAGE(WM_NCXBUTTONDBLCLK),
191 # endif /* _WIN32_WINNT >= 0x0500 */
194 # if(_WIN32_WINNT >= 0x0501)
195 DEFINE_MESSAGE(WM_INPUT_DEVICE_CHANGE),
196 # endif /* _WIN32_WINNT >= 0x0501 */
198 # if(_WIN32_WINNT >= 0x0501)
199 DEFINE_MESSAGE(WM_INPUT),
200 # endif /* _WIN32_WINNT >= 0x0501 */
202 DEFINE_MESSAGE(WM_KEYDOWN),
203 DEFINE_MESSAGE(WM_KEYUP),
204 DEFINE_MESSAGE(WM_CHAR),
205 DEFINE_MESSAGE(WM_DEADCHAR),
206 DEFINE_MESSAGE(WM_SYSKEYDOWN),
207 DEFINE_MESSAGE(WM_SYSKEYUP),
208 DEFINE_MESSAGE(WM_SYSCHAR),
209 DEFINE_MESSAGE(WM_SYSDEADCHAR),
210 # if(_WIN32_WINNT >= 0x0501)
211 DEFINE_MESSAGE(WM_UNICHAR),
212 # endif /* _WIN32_WINNT >= 0x0501 */
214 # if(WINVER >= 0x0400)
215 DEFINE_MESSAGE(WM_IME_STARTCOMPOSITION),
216 DEFINE_MESSAGE(WM_IME_ENDCOMPOSITION),
217 DEFINE_MESSAGE(WM_IME_COMPOSITION),
218 DEFINE_MESSAGE(WM_IME_KEYLAST),
219 # endif /* WINVER >= 0x0400 */
221 DEFINE_MESSAGE(WM_INITDIALOG),
222 DEFINE_MESSAGE(WM_COMMAND),
223 DEFINE_MESSAGE(WM_SYSCOMMAND),
224 DEFINE_MESSAGE(WM_TIMER),
225 DEFINE_MESSAGE(WM_HSCROLL),
226 DEFINE_MESSAGE(WM_VSCROLL),
227 DEFINE_MESSAGE(WM_INITMENU),
228 DEFINE_MESSAGE(WM_INITMENUPOPUP),
229 # if(WINVER >= 0x0601)
230 DEFINE_MESSAGE(WM_GESTURE),
231 DEFINE_MESSAGE(WM_GESTURENOTIFY),
232 # endif /* WINVER >= 0x0601 */
233 DEFINE_MESSAGE(WM_MENUSELECT),
234 DEFINE_MESSAGE(WM_MENUCHAR),
235 DEFINE_MESSAGE(WM_ENTERIDLE),
236 # if(WINVER >= 0x0500)
238 DEFINE_MESSAGE(WM_MENURBUTTONUP),
239 DEFINE_MESSAGE(WM_MENUDRAG),
240 DEFINE_MESSAGE(WM_MENUGETOBJECT),
241 DEFINE_MESSAGE(WM_UNINITMENUPOPUP),
242 DEFINE_MESSAGE(WM_MENUCOMMAND),
244 # if(_WIN32_WINNT >= 0x0500) && defined(WM_CHANGEUISTATE)
245 DEFINE_MESSAGE(WM_CHANGEUISTATE),
246 DEFINE_MESSAGE(WM_UPDATEUISTATE),
247 DEFINE_MESSAGE(WM_QUERYUISTATE),
248 # endif /* _WIN32_WINNT >= 0x0500 */
251 # endif /* WINVER >= 0x0500 */
253 DEFINE_MESSAGE(WM_CTLCOLORMSGBOX),
254 DEFINE_MESSAGE(WM_CTLCOLOREDIT),
255 DEFINE_MESSAGE(WM_CTLCOLORLISTBOX),
256 DEFINE_MESSAGE(WM_CTLCOLORBTN),
257 DEFINE_MESSAGE(WM_CTLCOLORDLG),
258 DEFINE_MESSAGE(WM_CTLCOLORSCROLLBAR),
259 DEFINE_MESSAGE(WM_CTLCOLORSTATIC),
260 # define MN_GETHMENU 0x01E1
262 DEFINE_MESSAGE(WM_MOUSEMOVE),
263 DEFINE_MESSAGE(WM_LBUTTONDOWN),
264 DEFINE_MESSAGE(WM_LBUTTONUP),
265 DEFINE_MESSAGE(WM_LBUTTONDBLCLK),
266 DEFINE_MESSAGE(WM_RBUTTONDOWN),
267 DEFINE_MESSAGE(WM_RBUTTONUP),
268 DEFINE_MESSAGE(WM_RBUTTONDBLCLK),
269 DEFINE_MESSAGE(WM_MBUTTONDOWN),
270 DEFINE_MESSAGE(WM_MBUTTONUP),
271 DEFINE_MESSAGE(WM_MBUTTONDBLCLK),
272 # if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)
273 DEFINE_MESSAGE(WM_MOUSEWHEEL),
275 # if (_WIN32_WINNT >= 0x0500) && defined(WM_XBUTTONDOWN)
276 DEFINE_MESSAGE(WM_XBUTTONDOWN),
277 DEFINE_MESSAGE(WM_XBUTTONUP),
278 DEFINE_MESSAGE(WM_XBUTTONDBLCLK),
280 # if (_WIN32_WINNT >= 0x0600)
281 DEFINE_MESSAGE(WM_MOUSEHWHEEL),
286 DEFINE_MESSAGE(WM_PARENTNOTIFY),
287 DEFINE_MESSAGE(WM_ENTERMENULOOP),
288 DEFINE_MESSAGE(WM_EXITMENULOOP),
290 # if(WINVER >= 0x0400)
291 DEFINE_MESSAGE(WM_NEXTMENU),
292 DEFINE_MESSAGE(WM_SIZING),
293 DEFINE_MESSAGE(WM_CAPTURECHANGED),
294 DEFINE_MESSAGE(WM_MOVING),
295 # endif /* WINVER >= 0x0400 */
297 # if(WINVER >= 0x0400)
298 DEFINE_MESSAGE(WM_POWERBROADCAST),
299 DEFINE_MESSAGE(WM_DEVICECHANGE),
300 # endif /* WINVER >= 0x0400 */
302 DEFINE_MESSAGE(WM_MDICREATE),
303 DEFINE_MESSAGE(WM_MDIDESTROY),
304 DEFINE_MESSAGE(WM_MDIACTIVATE),
305 DEFINE_MESSAGE(WM_MDIRESTORE),
306 DEFINE_MESSAGE(WM_MDINEXT),
307 DEFINE_MESSAGE(WM_MDIMAXIMIZE),
308 DEFINE_MESSAGE(WM_MDITILE),
309 DEFINE_MESSAGE(WM_MDICASCADE),
310 DEFINE_MESSAGE(WM_MDIICONARRANGE),
311 DEFINE_MESSAGE(WM_MDIGETACTIVE),
314 DEFINE_MESSAGE(WM_MDISETMENU),
315 DEFINE_MESSAGE(WM_ENTERSIZEMOVE),
316 DEFINE_MESSAGE(WM_EXITSIZEMOVE),
317 DEFINE_MESSAGE(WM_DROPFILES),
318 DEFINE_MESSAGE(WM_MDIREFRESHMENU),
320 # if(WINVER >= 0x0602)
321 DEFINE_MESSAGE(WM_POINTERDEVICECHANGE),
322 DEFINE_MESSAGE(WM_POINTERDEVICEINRANGE),
323 DEFINE_MESSAGE(WM_POINTERDEVICEOUTOFRANGE),
324 # endif /* WINVER >= 0x0602 */
326 # if(WINVER >= 0x0601)
327 DEFINE_MESSAGE(WM_TOUCH),
328 # endif /* WINVER >= 0x0601 */
330 # if(WINVER >= 0x0602)
331 DEFINE_MESSAGE(WM_NCPOINTERUPDATE),
332 DEFINE_MESSAGE(WM_NCPOINTERDOWN),
333 DEFINE_MESSAGE(WM_NCPOINTERUP),
334 DEFINE_MESSAGE(WM_POINTERUPDATE),
335 DEFINE_MESSAGE(WM_POINTERDOWN),
336 DEFINE_MESSAGE(WM_POINTERUP),
337 DEFINE_MESSAGE(WM_POINTERENTER),
338 DEFINE_MESSAGE(WM_POINTERLEAVE),
339 DEFINE_MESSAGE(WM_POINTERACTIVATE),
340 DEFINE_MESSAGE(WM_POINTERCAPTURECHANGED),
341 DEFINE_MESSAGE(WM_TOUCHHITTESTING),
342 DEFINE_MESSAGE(WM_POINTERWHEEL),
343 DEFINE_MESSAGE(WM_POINTERHWHEEL),
344 # endif /* WINVER >= 0x0602 */
347 # if(WINVER >= 0x0400)
348 DEFINE_MESSAGE(WM_IME_SETCONTEXT),
349 DEFINE_MESSAGE(WM_IME_NOTIFY),
350 DEFINE_MESSAGE(WM_IME_CONTROL),
351 DEFINE_MESSAGE(WM_IME_COMPOSITIONFULL),
352 DEFINE_MESSAGE(WM_IME_SELECT),
353 DEFINE_MESSAGE(WM_IME_CHAR),
354 # endif /* WINVER >= 0x0400 */
355 # if(WINVER >= 0x0500)
356 DEFINE_MESSAGE(WM_IME_REQUEST),
357 # endif /* WINVER >= 0x0500 */
358 # if(WINVER >= 0x0400)
359 DEFINE_MESSAGE(WM_IME_KEYDOWN),
360 DEFINE_MESSAGE(WM_IME_KEYUP),
361 # endif /* WINVER >= 0x0400 */
363 # if((_WIN32_WINNT >= 0x0400) || (WINVER >= 0x0500))
364 DEFINE_MESSAGE(WM_MOUSEHOVER),
365 DEFINE_MESSAGE(WM_MOUSELEAVE),
367 # if(WINVER >= 0x0500) && defined(WM_NCMOUSEHOVER)
368 DEFINE_MESSAGE(WM_NCMOUSEHOVER),
369 DEFINE_MESSAGE(WM_NCMOUSELEAVE),
370 # endif /* WINVER >= 0x0500 */
372 # if(_WIN32_WINNT >= 0x0501)
373 DEFINE_MESSAGE(WM_WTSSESSION_CHANGE),
374 # endif /* _WIN32_WINNT >= 0x0501 */
376 DEFINE_MESSAGE(WM_CUT),
377 DEFINE_MESSAGE(WM_COPY),
378 DEFINE_MESSAGE(WM_PASTE),
379 DEFINE_MESSAGE(WM_CLEAR),
380 DEFINE_MESSAGE(WM_UNDO),
381 DEFINE_MESSAGE(WM_RENDERFORMAT),
382 DEFINE_MESSAGE(WM_RENDERALLFORMATS),
383 DEFINE_MESSAGE(WM_DESTROYCLIPBOARD),
384 DEFINE_MESSAGE(WM_DRAWCLIPBOARD),
385 DEFINE_MESSAGE(WM_PAINTCLIPBOARD),
386 DEFINE_MESSAGE(WM_VSCROLLCLIPBOARD),
387 DEFINE_MESSAGE(WM_SIZECLIPBOARD),
388 DEFINE_MESSAGE(WM_ASKCBFORMATNAME),
389 DEFINE_MESSAGE(WM_CHANGECBCHAIN),
390 DEFINE_MESSAGE(WM_HSCROLLCLIPBOARD),
391 DEFINE_MESSAGE(WM_QUERYNEWPALETTE),
392 DEFINE_MESSAGE(WM_PALETTEISCHANGING),
393 DEFINE_MESSAGE(WM_PALETTECHANGED),
394 DEFINE_MESSAGE(WM_HOTKEY),
396 # if(WINVER >= 0x0400)
397 DEFINE_MESSAGE(WM_PRINT),
398 DEFINE_MESSAGE(WM_PRINTCLIENT),
399 # endif /* WINVER >= 0x0400 */
401 # if(_WIN32_WINNT >= 0x0500) && defined(WM_APPCOMMAND)
402 DEFINE_MESSAGE(WM_APPCOMMAND),
403 # endif /* _WIN32_WINNT >= 0x0500 */
405 # if(_WIN32_WINNT >= 0x0501)
406 DEFINE_MESSAGE(WM_THEMECHANGED),
407 # endif /* _WIN32_WINNT >= 0x0501 */
410 # if(_WIN32_WINNT >= 0x0501)
411 DEFINE_MESSAGE(WM_CLIPBOARDUPDATE),
412 # endif /* _WIN32_WINNT >= 0x0501 */
414 # if(_WIN32_WINNT >= 0x0600)
415 DEFINE_MESSAGE(WM_DWMCOMPOSITIONCHANGED),
416 DEFINE_MESSAGE(WM_DWMNCRENDERINGCHANGED),
417 DEFINE_MESSAGE(WM_DWMCOLORIZATIONCOLORCHANGED),
418 DEFINE_MESSAGE(WM_DWMWINDOWMAXIMIZEDCHANGE),
419 # endif /* _WIN32_WINNT >= 0x0600 */
421 # if(_WIN32_WINNT >= 0x0601)
422 DEFINE_MESSAGE(WM_DWMSENDICONICTHUMBNAIL),
423 DEFINE_MESSAGE(WM_DWMSENDICONICLIVEPREVIEWBITMAP),
424 # endif /* _WIN32_WINNT >= 0x0601 */
427 # if(WINVER >= 0x0600)
428 DEFINE_MESSAGE(WM_GETTITLEBARINFOEX),
429 # endif /* WINVER >= 0x0600 */
430 { 0, NULL, } /* end of message list */
432 #undef DEFINE_MESSAGE
434 char* WMMsg2Str(DWORD dwMessage)
436 struct WM_MESSAGE_MAP* pMapMsg = allMessages;
437 for (/*null*/; pMapMsg->lpszMsg != NULL; pMapMsg++)
439 if (pMapMsg->nMsg == dwMessage )
441 return (char *)pMapMsg->lpszMsg;
449 /* Get system time, taking special precautions against 32bit timer wrap.
450 We use timeGetTime and not GetTickCount because of its better stability,
451 and because we can increase its granularity (to 1 ms in
452 fgPlatformInitialize). For that reason we can't use GetTickCount64 which
453 wouldn't have the wrap issue.
454 Credit: this is based on code in glibc (https://mail.gnome.org/archives/commits-list/2011-November/msg04588.html)
456 static fg_time_t lastTime32 = 0;
457 static fg_time_t timeEpoch = 0;
458 void fgPlatformInitSystemTime()
460 #if defined(_WIN32_WCE)
461 lastTime32 = GetTickCount();
463 lastTime32 = timeGetTime();
466 fg_time_t fgPlatformSystemTime ( void )
468 fg_time_t currTime32;
469 #if defined(_WIN32_WCE)
470 currTime32 = GetTickCount();
472 currTime32 = timeGetTime();
474 /* Check if we just wrapped */
475 if (currTime32 < lastTime32)
478 lastTime32 = currTime32;
480 return currTime32 | timeEpoch << 32;
484 void fgPlatformSleepForEvents( fg_time_t msec )
486 MsgWaitForMultipleObjects( 0, NULL, FALSE, (DWORD) msec, QS_ALLINPUT );
490 void fgPlatformProcessSingleEvent ( void )
494 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
496 while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
498 if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
500 if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
505 else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
506 fgState.ExecState = GLUT_EXEC_STATE_STOP;
511 TranslateMessage( &stMsg );
512 DispatchMessage( &stMsg );
518 static void fghPlatformOnWindowStatusNotify(SFG_Window *window, GLboolean visState, GLboolean forceNotify)
520 GLboolean notify = GL_FALSE;
523 if (window->State.Visible != visState)
525 window->State.Visible = visState;
527 /* If top level window (not a subwindow/child), and icon title text available, switch titles based on visibility state */
528 if (!window->Parent && window->State.pWState.IconTitle)
531 /* visible, set window title */
532 SetWindowText( window->Window.Handle, window->State.pWState.WindowTitle );
534 /* not visible, set icon title */
535 SetWindowText( window->Window.Handle, window->State.pWState.IconTitle );
541 if (notify || forceNotify)
543 SFG_Window *saved_window = fgStructure.CurrentWindow;
545 /* On win32 we only have two states, window displayed and window not displayed (iconified)
546 * We map these to GLUT_FULLY_RETAINED and GLUT_HIDDEN respectively.
548 INVOKE_WCB( *window, WindowStatus, ( visState ? GLUT_FULLY_RETAINED:GLUT_HIDDEN ) );
549 fgSetWindow( saved_window );
552 /* Also set windowStatus/visibility state for children */
553 for( child = ( SFG_Window * )window->Children.First;
555 child = ( SFG_Window * )child->Node.Next )
557 fghPlatformOnWindowStatusNotify(child, visState, GL_FALSE); /* No need to propagate forceNotify. Childs get this from their own INIT_WORK */
561 void fgPlatformMainLoopPreliminaryWork ( void )
568 * Determine a GLUT modifier mask based on MS-WINDOWS system info.
570 static int fgPlatformGetModifiers (void)
573 ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
574 ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
575 ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
576 ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
577 ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
578 ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
581 /* Check whether a button (VK_*BUTTON) is currently depressed. Returns
582 * non-zero (not necessarily 1) if yes. */
583 static SHORT fgGetKeyState(int vKey)
585 /* MSDN says: "If the high-order bit is 1, the key is down; otherwise, it is up". */
586 return GetKeyState(vKey) & 0xFF00;
589 static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean keydown, WPARAM wParam, LPARAM lParam)
591 static unsigned char lControl = 0, lShift = 0, lAlt = 0,
592 rControl = 0, rShift = 0, rAlt = 0;
596 /* if keydown, check for repeat */
597 /* If repeat is globally switched off, it cannot be switched back on per window.
598 * But if it is globally switched on, it can be switched off per window. This matches
599 * GLUT's behavior on X11, but not Nate Robbins' win32 GLUT, as he didn't implement the
600 * global state switch.
602 if( keydown && ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
605 /* Remember the current modifiers state so user can query it from their callback */
606 fgState.Modifiers = fgPlatformGetModifiers( );
608 /* Convert the Win32 keystroke codes to GLUTtish way */
609 # define FG_KEY(a,b) case a: keypress = b; break;
613 FG_KEY( VK_F1, GLUT_KEY_F1 );
614 FG_KEY( VK_F2, GLUT_KEY_F2 );
615 FG_KEY( VK_F3, GLUT_KEY_F3 );
616 FG_KEY( VK_F4, GLUT_KEY_F4 );
617 FG_KEY( VK_F5, GLUT_KEY_F5 );
618 FG_KEY( VK_F6, GLUT_KEY_F6 );
619 FG_KEY( VK_F7, GLUT_KEY_F7 );
620 FG_KEY( VK_F8, GLUT_KEY_F8 );
621 FG_KEY( VK_F9, GLUT_KEY_F9 );
622 FG_KEY( VK_F10, GLUT_KEY_F10 );
623 FG_KEY( VK_F11, GLUT_KEY_F11 );
624 FG_KEY( VK_F12, GLUT_KEY_F12 );
625 FG_KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
626 FG_KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
627 FG_KEY( VK_HOME, GLUT_KEY_HOME );
628 FG_KEY( VK_END, GLUT_KEY_END );
629 FG_KEY( VK_LEFT, GLUT_KEY_LEFT );
630 FG_KEY( VK_UP, GLUT_KEY_UP );
631 FG_KEY( VK_RIGHT, GLUT_KEY_RIGHT );
632 FG_KEY( VK_DOWN, GLUT_KEY_DOWN );
633 FG_KEY( VK_INSERT, GLUT_KEY_INSERT );
635 /* handle control, alt and shift. For GLUT, we want to distinguish between left and right presses.
636 * The VK_L* & VK_R* left and right Alt, Ctrl and Shift virtual keys are however only used as parameters to GetAsyncKeyState() and GetKeyState()
637 * so when we get an alt, shift or control keypress here, we manually check whether it was the left or the right
639 #define FG_KEY_EVENT(winKey,glutKey,keyStateVar)\
640 if (!keyStateVar && fgGetKeyState ( winKey ))\
645 else if (keyStateVar && !fgGetKeyState ( winKey ))\
651 FG_KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl);
652 FG_KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl);
655 FG_KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift);
656 FG_KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift);
659 FG_KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt);
660 FG_KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt);
665 /* The delete key should be treated as an ASCII keypress: */
667 INVOKE_WCB( *window, Keyboard,
668 ( 127, window->State.MouseX, window->State.MouseY )
671 INVOKE_WCB( *window, KeyboardUp,
672 ( 127, window->State.MouseX, window->State.MouseY )
676 #if !defined(_WIN32_WCE)
678 /* keydown displayable characters are handled with WM_CHAR message, but no corresponding up is generated. So get that here. */
684 GetKeyboardState( state );
686 if( ToAscii( (UINT)wParam, 0, state, code, 0 ) == 1 )
689 INVOKE_WCB( *window, KeyboardUp,
690 ( (char)(wParam & 0xFF), /* and with 0xFF to indicate to runtime that we want to strip out higher bits - otherwise we get a runtime error when "Smaller Type Checks" is enabled */
691 window->State.MouseX, window->State.MouseY )
697 #if defined(_WIN32_WCE)
698 if(keydown && !(lParam & 0x40000000)) /* Prevent auto-repeat */
700 if(wParam==(unsigned)gxKeyList.vkRight)
701 keypress = GLUT_KEY_RIGHT;
702 else if(wParam==(unsigned)gxKeyList.vkLeft)
703 keypress = GLUT_KEY_LEFT;
704 else if(wParam==(unsigned)gxKeyList.vkUp)
705 keypress = GLUT_KEY_UP;
706 else if(wParam==(unsigned)gxKeyList.vkDown)
707 keypress = GLUT_KEY_DOWN;
708 else if(wParam==(unsigned)gxKeyList.vkA)
709 keypress = GLUT_KEY_F1;
710 else if(wParam==(unsigned)gxKeyList.vkB)
711 keypress = GLUT_KEY_F2;
712 else if(wParam==(unsigned)gxKeyList.vkC)
713 keypress = GLUT_KEY_F3;
714 else if(wParam==(unsigned)gxKeyList.vkStart)
715 keypress = GLUT_KEY_F4;
721 INVOKE_WCB( *window, Special,
723 window->State.MouseX, window->State.MouseY )
726 INVOKE_WCB( *window, SpecialUp,
728 window->State.MouseX, window->State.MouseY )
731 fgState.Modifiers = INVALID_MODIFIERS;
733 /* SYSKEY events should be sent to default window proc for system to handle them */
734 if (uMsg==WM_SYSKEYDOWN || uMsg==WM_SYSKEYUP)
735 return DefWindowProc( window->Window.Handle, uMsg, wParam, lParam );
740 SFG_Window* fghWindowUnderCursor(SFG_Window *window)
742 /* Check if the current window that the mouse is over is a child window
743 * of the window the message was sent to. Some events only sent to main window,
744 * and when handling some messages, we need to make sure that we process
745 * callbacks on the child window instead. This mirrors how GLUT does things.
746 * returns either the original window or the found child.
748 if (window && window->Children.First) /* This window has childs */
751 SFG_Window* child_window;
753 /* Get mouse position at time of message */
754 DWORD mouse_pos_dw = GetMessagePos();
756 mouse_pos.x = GET_X_LPARAM(mouse_pos_dw);
757 mouse_pos.y = GET_Y_LPARAM(mouse_pos_dw);
758 ScreenToClient( window->Window.Handle, &mouse_pos );
760 hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
761 if (hwnd && hwnd!=window->Window.Handle) /* can be NULL if mouse outside parent by the time we get here, or can be same as parent if we didn't find a child */
763 child_window = fgWindowByHandle(hwnd);
764 if (child_window) /* Verify we got a FreeGLUT window */
766 /* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
767 window = fghWindowUnderCursor(child_window);
776 * The window procedure for handling Win32 events
778 LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
782 static int setCaptureActive = 0;
784 FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
786 window = fgWindowByHandle( hWnd );
788 if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
789 return DefWindowProc( hWnd, uMsg, wParam, lParam );
791 /* printf ( "Window %3d message %s (<%04x>) %12d %12d\n", window?window->ID:0,
792 WMMsg2Str(uMsg), uMsg, wParam, lParam ); */
797 /* The window structure is passed as the creation structure parameter... */
798 window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
799 FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
800 "fgPlatformWindowProc" );
802 window->Window.Handle = hWnd;
803 window->Window.pContext.Device = GetDC( hWnd );
806 unsigned int current_DisplayMode = fgState.DisplayMode;
807 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
808 #if !defined(_WIN32_WCE)
809 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
811 fgState.DisplayMode = current_DisplayMode;
813 if( fgStructure.MenuContext )
814 wglMakeCurrent( window->Window.pContext.Device,
815 fgStructure.MenuContext->MContext
819 fgStructure.MenuContext =
820 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
821 fgStructure.MenuContext->MContext =
822 wglCreateContext( window->Window.pContext.Device );
825 /* window->Window.Context = wglGetCurrentContext (); */
826 window->Window.Context = wglCreateContext( window->Window.pContext.Device );
830 #if !defined(_WIN32_WCE)
831 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
834 if( ! fgState.UseCurrentContext )
835 window->Window.Context =
836 wglCreateContext( window->Window.pContext.Device );
839 window->Window.Context = wglGetCurrentContext( );
840 if( ! window->Window.Context )
841 window->Window.Context =
842 wglCreateContext( window->Window.pContext.Device );
845 #if !defined(_WIN32_WCE)
846 fgNewWGLCreateContext( window );
850 ReleaseDC( window->Window.Handle, window->Window.pContext.Device );
852 #if defined(_WIN32_WCE)
853 /* Take over button handling */
855 HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
858 GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
859 GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
864 if(GXGetDefaultKeys_)
865 gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
868 #endif /* defined(_WIN32_WCE) */
872 /* printf("WM_SIZE (ID: %i): wParam: %i, new size: %ix%i \n",window->ID,wParam,LOWORD(lParam),HIWORD(lParam)); */
874 /* Update visibility state of the window */
875 if (wParam==SIZE_MINIMIZED)
876 fghPlatformOnWindowStatusNotify(window,GL_FALSE,GL_FALSE);
877 else if ((wParam==SIZE_RESTORED || wParam == SIZE_MAXIMIZED) && !window->State.Visible)
878 fghPlatformOnWindowStatusNotify(window,GL_TRUE,GL_FALSE);
880 /* Check window visible, we don't want do anything when we get a WM_SIZE because the user or glutIconifyWindow minimized the window */
881 if( window->State.Visible )
884 #if defined(_WIN32_WCE)
885 width = HIWORD(lParam);
886 height = LOWORD(lParam);
888 width = LOWORD(lParam);
889 height = HIWORD(lParam);
890 #endif /* defined(_WIN32_WCE) */
892 /* Update state and call callback, if there was a change */
893 fghOnReshapeNotify(window, width, height, GL_FALSE);
896 /* according to docs, should return 0 */
902 /* User resize-dragging the window, call reshape callback and
903 * force redisplay so display keeps running during dragging.
904 * Screen still wont update when not moving the cursor though...
907 /* PRECT prect = (PRECT) lParam;
908 printf("WM_SIZING: nc-area: %i,%i\n",prect->right-prect->left,prect->bottom-prect->top); */
909 /* Get client area, the rect in lParam is including non-client area. */
910 fghGetClientArea(&rect,window,FALSE);
912 /* We'll get a WM_SIZE as well, but as state has
913 * already been updated here, the fghOnReshapeNotify
914 * in the handler for that message doesn't do anything.
916 fghOnReshapeNotify(window, rect.right-rect.left, rect.bottom-rect.top, GL_FALSE);
918 /* Now directly call the drawing function to update
919 * window and window's childs.
920 * This mimics the WM_PAINT messages that are received during
921 * resizing. Note that we don't have a WM_MOVING handler
922 * as move-dragging doesn't generate WM_MOVE or WM_PAINT
923 * messages until the mouse is released.
925 fghRedrawWindowAndChildren(window);
928 /* according to docs, should return TRUE */
934 /* Check window is minimized, we don't want to call the position callback when the user or glutIconifyWindow minimized the window */
935 if (!IsIconic(window->Window.Handle))
939 /* lParam contains coordinates of top-left of client area.
940 * Get top-left of non-client area of window, matching coordinates of
941 * glutInitPosition and glutPositionWindow, but not those of
942 * glutGet(GLUT_WINDOW_X) and glutGet(GLUT_WINDOW_Y), which return
943 * top-left of client area.
945 GetWindowRect( window->Window.Handle, &windowRect );
949 /* For child window, we should return relative to upper-left
950 * of parent's client area.
953 topleft.x = windowRect.left;
954 topleft.y = windowRect.top;
956 ScreenToClient(window->Parent->Window.Handle,&topleft);
957 windowRect.left = topleft.x;
958 windowRect.top = topleft.y;
961 /* Update state and call callback, if there was a change */
962 fghOnPositionNotify(window, windowRect.left, windowRect.top, GL_FALSE);
966 /* according to docs, should return 0 */
971 /*printf("WM_SETFOCUS: %p\n", window );*/
972 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
974 SetActiveWindow( window->Window.Handle );
975 UpdateWindow ( hWnd );
980 /*printf("WM_KILLFOCUS: %p\n", window ); */
981 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
983 /* Check if there are any open menus that need to be closed */
984 fgPlatformCheckMenuDeactivate((HWND)wParam);
987 case WM_MOUSEACTIVATE:
988 /* Clicks should not activate the menu.
989 * Especially important when clicking on a menu's submenu item which has no effect.
991 /*printf("WM_MOUSEACTIVATE\n");*/
993 lRet = MA_NOACTIVATEANDEAT;
995 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
998 case WM_NCLBUTTONDOWN:
999 case WM_NCMBUTTONDOWN:
1000 case WM_NCRBUTTONDOWN:
1003 if (fgState.ActiveMenus && (menu = fgGetActiveMenu()))
1004 /* user clicked non-client area of window while a menu is open. Close menu */
1005 fgDeactivateMenu(menu->ParentWindow);
1007 /* and always pass to DefWindowProc */
1008 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1014 /* printf("WM_ACTIVATE: %x (ID: %i) %d %d\n",lParam, window->ID, HIWORD(wParam), LOWORD(wParam)); */
1015 if (LOWORD(wParam) != WA_INACTIVE)
1017 /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
1018 window->State.Cursor ); */
1019 fgSetCursor( window, window->State.Cursor );
1022 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1027 /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
1028 if( LOWORD( lParam ) == HTCLIENT )
1030 if (!window->State.pWState.MouseTracking)
1032 TRACKMOUSEEVENT tme;
1034 /* Cursor just entered window, set cursor look */
1035 fgSetCursor ( window, window->State.Cursor ) ;
1037 /* If an EntryFunc callback is specified by the user, also
1038 * invoke that callback and start mouse tracking so that
1039 * we get a WM_MOUSELEAVE message
1041 if (FETCH_WCB( *window, Entry ))
1043 SFG_Window* saved_window = fgStructure.CurrentWindow;
1044 INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
1045 fgSetWindow(saved_window);
1047 tme.cbSize = sizeof(TRACKMOUSEEVENT);
1048 tme.dwFlags = TME_LEAVE;
1049 tme.hwndTrack = window->Window.Handle;
1050 TrackMouseEvent(&tme);
1052 window->State.pWState.MouseTracking = TRUE;
1057 /* Only pass non-client WM_SETCURSOR to DefWindowProc, or we get WM_SETCURSOR on parents of children as well */
1058 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1063 /* NB: This message is only received when a EntryFunc callback
1064 * is specified by the user, as that is the only condition under
1065 * which mouse tracking is setup in WM_SETCURSOR handler above
1067 SFG_Window* saved_window = fgStructure.CurrentWindow;
1068 INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
1069 fgSetWindow(saved_window);
1071 window->State.pWState.MouseTracking = FALSE;
1072 lRet = 0; /* As per docs, must return zero */
1077 /* printf("WM_SHOWWINDOW, shown? %i, source: %i\n",wParam,lParam); */
1080 fghPlatformOnWindowStatusNotify(window, GL_TRUE, GL_FALSE);
1081 window->State.WorkMask |= GLUT_DISPLAY_WORK;
1085 fghPlatformOnWindowStatusNotify(window, GL_FALSE, GL_FALSE);
1086 window->State.WorkMask &= ~GLUT_DISPLAY_WORK;
1094 /* As per docs, upon receiving WM_PAINT, first check if the update region is not empty before you call BeginPaint */
1095 if (GetUpdateRect(hWnd,&rect,FALSE))
1097 /* Dummy begin/end paint to validate rect that needs
1098 * redrawing, then signal that a redisplay is needed.
1099 * This allows us full control about when we do any
1100 * redrawing, and is the same as what original GLUT
1104 BeginPaint( hWnd, &ps );
1105 EndPaint( hWnd, &ps );
1107 window->State.WorkMask |= GLUT_DISPLAY_WORK;
1109 lRet = 0; /* As per docs, should return 0 */
1114 fgDestroyWindow ( window );
1115 if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
1121 * The window already got destroyed, so don't bother with it.
1127 /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
1128 #if defined(_WIN32_WCE)
1129 window->State.MouseX = 320-HIWORD( lParam ); /* XXX: Docs say x should be loword and y hiword? */
1130 window->State.MouseY = LOWORD( lParam );
1132 window->State.MouseX = GET_X_LPARAM( lParam );
1133 window->State.MouseY = GET_Y_LPARAM( lParam );
1134 #endif /* defined(_WIN32_WCE) */
1135 /* Restrict to [-32768, 32767] to match X11 behaviour */
1136 /* See comment in "freeglut_developer" mailing list 10/4/04 */
1137 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
1138 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
1140 if ( window->ActiveMenu )
1142 fgUpdateMenuHighlight( window->ActiveMenu );
1146 fgState.Modifiers = fgPlatformGetModifiers( );
1148 if( ( wParam & MK_LBUTTON ) ||
1149 ( wParam & MK_MBUTTON ) ||
1150 ( wParam & MK_RBUTTON ) )
1151 INVOKE_WCB( *window, Motion, ( window->State.MouseX,
1152 window->State.MouseY ) );
1154 INVOKE_WCB( *window, Passive, ( window->State.MouseX,
1155 window->State.MouseY ) );
1157 fgState.Modifiers = INVALID_MODIFIERS;
1161 case WM_LBUTTONDOWN:
1162 case WM_MBUTTONDOWN:
1163 case WM_RBUTTONDOWN:
1168 GLboolean pressed = GL_TRUE;
1171 /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
1172 #if defined(_WIN32_WCE)
1173 window->State.MouseX = 320-HIWORD( lParam ); /* XXX: Docs say x should be loword and y hiword? */
1174 window->State.MouseY = LOWORD( lParam );
1176 window->State.MouseX = GET_X_LPARAM( lParam );
1177 window->State.MouseY = GET_Y_LPARAM( lParam );
1178 #endif /* defined(_WIN32_WCE) */
1180 /* Restrict to [-32768, 32767] to match X11 behaviour */
1181 /* See comment in "freeglut_developer" mailing list 10/4/04 */
1182 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
1183 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
1187 case WM_LBUTTONDOWN:
1189 button = GLUT_LEFT_BUTTON;
1191 case WM_MBUTTONDOWN:
1193 button = GLUT_MIDDLE_BUTTON;
1195 case WM_RBUTTONDOWN:
1197 button = GLUT_RIGHT_BUTTON;
1201 button = GLUT_LEFT_BUTTON;
1205 button = GLUT_MIDDLE_BUTTON;
1209 button = GLUT_RIGHT_BUTTON;
1217 #if !defined(_WIN32_WCE)
1218 if( GetSystemMetrics( SM_SWAPBUTTON ) )
1220 if( button == GLUT_LEFT_BUTTON )
1221 button = GLUT_RIGHT_BUTTON;
1223 if( button == GLUT_RIGHT_BUTTON )
1224 button = GLUT_LEFT_BUTTON;
1226 #endif /* !defined(_WIN32_WCE) */
1229 return DefWindowProc( hWnd, uMsg, lParam, wParam );
1232 * Do not execute the application's mouse callback if a menu
1233 * is hooked to this button. In that case an appropriate
1234 * private call should be generated.
1236 if( fgCheckActiveMenu( window, button, pressed,
1237 window->State.MouseX, window->State.MouseY ) )
1240 /* Set capture so that the window captures all the mouse messages
1242 * The mouse is not released from the window until all buttons have
1243 * been released, even if the user presses a button in another window.
1244 * This is consistent with the behavior on X11.
1246 if ( pressed == GL_TRUE )
1248 if (!setCaptureActive)
1249 SetCapture ( window->Window.Handle ) ;
1250 setCaptureActive = 1; /* Set to false in WM_CAPTURECHANGED handler */
1252 else if (!fgGetKeyState(VK_LBUTTON) && !fgGetKeyState(VK_MBUTTON) && !fgGetKeyState(VK_RBUTTON))
1253 /* Make sure all mouse buttons are released before releasing capture */
1256 if( ! FETCH_WCB( *window, Mouse ) )
1259 fgSetWindow( window );
1260 fgState.Modifiers = fgPlatformGetModifiers( );
1265 pressed ? GLUT_DOWN : GLUT_UP,
1266 window->State.MouseX,
1267 window->State.MouseY
1271 fgState.Modifiers = INVALID_MODIFIERS;
1273 /* As per docs, should return zero */
1280 int wheel_number = 0; /* Only one scroll wheel on windows */
1281 #if defined(_WIN32_WCE)
1282 int modkeys = LOWORD(wParam);
1283 short ticks = (short)HIWORD(wParam);
1284 /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
1285 xPos = LOWORD(lParam); -- straight from docs, not consistent with mouse nutton and mouse motion above (which i think is wrong)
1286 yPos = HIWORD(lParam);
1289 /* int modkeys = GET_KEYSTATE_WPARAM( wParam ); */
1290 short ticks = HIWORD( wParam );
1291 /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
1292 window->State.MouseX = GET_X_LPARAM( lParam );
1293 window->State.MouseY = GET_Y_LPARAM( lParam );
1295 #endif /* defined(_WIN32_WCE) */
1297 window = fghWindowUnderCursor(window);
1299 fgState.MouseWheelTicks += ticks;
1300 if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
1302 int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
1304 if( ! FETCH_WCB( *window, MouseWheel ) &&
1305 ! FETCH_WCB( *window, Mouse ) )
1308 fgSetWindow( window );
1309 fgState.Modifiers = fgPlatformGetModifiers( );
1311 while( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
1313 if( FETCH_WCB( *window, MouseWheel ) )
1314 INVOKE_WCB( *window, MouseWheel,
1317 window->State.MouseX,
1318 window->State.MouseY
1321 else /* No mouse wheel, call the mouse button callback twice */
1324 * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
1325 * " " one +1 to 5, -1 to 6, ...
1327 * XXX The below assumes that you have no more than 3 mouse
1328 * XXX buttons. Sorry.
1330 int button = wheel_number * 2 + 3;
1333 INVOKE_WCB( *window, Mouse,
1334 ( button, GLUT_DOWN,
1335 window->State.MouseX, window->State.MouseY )
1337 INVOKE_WCB( *window, Mouse,
1339 window->State.MouseX, window->State.MouseY )
1343 fgState.MouseWheelTicks -= WHEEL_DELTA * direction;
1346 fgState.Modifiers = INVALID_MODIFIERS;
1348 /* Per docs, should return zero */
1356 window = fghWindowUnderCursor(window);
1357 lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
1364 window = fghWindowUnderCursor(window);
1365 lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
1372 window = fghWindowUnderCursor(window);
1374 if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
1377 fgState.Modifiers = fgPlatformGetModifiers( );
1378 INVOKE_WCB( *window, Keyboard,
1380 window->State.MouseX, window->State.MouseY )
1382 fgState.Modifiers = INVALID_MODIFIERS;
1386 case WM_CAPTURECHANGED:
1387 if (!lParam || !fgWindowByHandle((HWND)lParam))
1388 /* Capture released or capture taken by non-FreeGLUT window */
1389 setCaptureActive = 0;
1390 /* Docs advise a redraw */
1391 InvalidateRect( hWnd, NULL, GL_FALSE );
1393 lRet = 0; /* Per docs, should return zero */
1396 #if !defined(_WIN32_WCE)
1397 case WM_SYNCPAINT: /* 0x0088 */
1398 /* Another window has moved, need to update this one */
1399 window->State.WorkMask |= GLUT_DISPLAY_WORK;
1400 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1401 /* Help screen says this message must be passed to "DefWindowProc" */
1404 case WM_DISPLAYCHANGE: /* 0x007E */
1405 /* The system display resolution/depth has changed */
1406 fgDisplay.ScreenWidth = LOWORD(lParam);
1407 fgDisplay.ScreenHeight = HIWORD(lParam);
1410 case WM_SYSCOMMAND : /* 0x0112 */
1413 * We have received a system command message. Try to act on it.
1414 * The commands are passed in through the "wParam" parameter:
1415 * The least significant digit seems to be which edge of the window
1416 * is being used for a resize event:
1420 * Congratulations and thanks to Richard Rauch for figuring this out..
1422 switch ( wParam & 0xfff0 )
1431 /* User has clicked on the "-" to minimize the window */
1432 /* Turning off the visibility is handled in WM_SIZE handler */
1439 case SC_NEXTWINDOW :
1442 case SC_PREVWINDOW :
1446 /* Followed very closely by a WM_CLOSE message */
1470 case SC_SCREENSAVE :
1476 #if(WINVER >= 0x0400)
1480 case SC_MONITORPOWER :
1483 case SC_CONTEXTHELP :
1485 #endif /* WINVER >= 0x0400 */
1489 fgWarning( "Unknown wParam type 0x%x", wParam );
1494 #endif /* !defined(_WIN32_WCE) */
1496 /* We need to pass the message on to the operating system as well */
1497 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1501 /* handle multi-touch messages */
1504 unsigned int numInputs = (unsigned int)wParam;
1506 TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs);
1508 if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) {
1509 fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo");
1510 fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle");
1513 if (!fghGetTouchInputInfo) {
1518 if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) {
1519 /* Handle each contact point */
1520 for (i = 0; i < numInputs; ++i ) {
1523 tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
1524 tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
1525 ScreenToClient( hWnd, &tp );
1527 ti[i].dwID = ti[i].dwID * 2;
1529 if (ti[i].dwFlags & TOUCHEVENTF_DOWN) {
1530 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) );
1531 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) );
1532 } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
1533 INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) );
1534 } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
1535 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) );
1536 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) );
1540 fghCloseTouchInputHandle((HTOUCHINPUT)lParam);
1542 lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/
1549 /* Added by Jinrong Xie <stonexjr at gmail.com> for SpaceNavigator support on Windows. Dec 2014 */
1550 if (fgHasSpaceball())
1552 fgSpaceballHandleWinEvent(hWnd, wParam, lParam);
1557 /* Handle unhandled messages */
1558 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1566 /* deal with work list items */
1567 void fgPlatformInitWork(SFG_Window* window)
1571 /* Notify windowStatus/visibility */
1572 fghPlatformOnWindowStatusNotify(window, window->State.Visible, GL_TRUE);
1574 /* get and notify window's position */
1575 GetWindowRect(window->Window.Handle,&windowRect);
1576 fghOnPositionNotify(window, windowRect.left, windowRect.top, GL_TRUE);
1578 /* get and notify window's size */
1579 GetClientRect(window->Window.Handle,&windowRect);
1580 fghOnReshapeNotify(window, windowRect.right-windowRect.left, windowRect.bottom-windowRect.top, GL_TRUE);
1583 /* On windows we can position, resize and change z order at the same time */
1584 void fgPlatformPosResZordWork(SFG_Window* window, unsigned int workMask)
1586 UINT flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING | SWP_NOSIZE | SWP_NOZORDER;
1587 HWND insertAfter = HWND_TOP;
1590 #if !defined(_WIN32_WCE) /* FIXME: what about WinCE */
1591 if (workMask & GLUT_FULL_SCREEN_WORK)
1593 /* This asks us to toggle fullscreen mode */
1594 flags |= SWP_FRAMECHANGED;
1596 if (window->State.IsFullscreen)
1598 /* If we are fullscreen, resize the current window back to its original size */
1599 /* printf("OldRect %i,%i to %i,%i\n",window->State.pWState.OldRect.left,window->State.pWState.OldRect.top,window->State.pWState.OldRect.right,window->State.pWState.OldRect.bottom); */
1601 /* restore style of window before making it fullscreen */
1602 SetWindowLong(window->Window.Handle, GWL_STYLE, window->State.pWState.OldStyle);
1603 SetWindowLong(window->Window.Handle, GWL_EXSTYLE, window->State.pWState.OldStyleEx);
1605 /* Then set up resize/reposition, unless user already queued up reshape/position work */
1606 if (!(workMask & GLUT_POSITION_WORK))
1608 workMask |= GLUT_POSITION_WORK;
1609 window->State.DesiredXpos = window->State.pWState.OldRect.left;
1610 window->State.DesiredYpos = window->State.pWState.OldRect.top;
1612 if (!(workMask & GLUT_SIZE_WORK))
1614 workMask |= GLUT_SIZE_WORK;
1615 window->State.DesiredWidth = window->State.pWState.OldRect.right - window->State.pWState.OldRect.left;
1616 window->State.DesiredHeight = window->State.pWState.OldRect.bottom - window->State.pWState.OldRect.top;
1619 /* We'll finish off the fullscreen operation below after the other GLUT_POSITION_WORK|GLUT_SIZE_WORK|GLUT_ZORDER_WORK */
1623 /* we are currently not fullscreen, go to fullscreen:
1624 * remove window decoration and then maximize
1631 /* save current window rect, style, exstyle and maximized state */
1632 window->State.pWState.OldMaximized = !!IsZoomed(window->Window.Handle);
1633 if (window->State.pWState.OldMaximized)
1634 /* We force the window into restored mode before going
1635 * fullscreen because Windows doesn't seem to hide the
1636 * taskbar if the window is in the maximized state.
1638 SendMessage(window->Window.Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
1640 fghGetClientArea( &window->State.pWState.OldRect, window, GL_TRUE );
1641 window->State.pWState.OldStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
1642 window->State.pWState.OldStyleEx = GetWindowLong(window->Window.Handle, GWL_EXSTYLE);
1644 /* remove decorations from style */
1645 newStyle = window->State.pWState.OldStyle & ~(WS_CAPTION | WS_THICKFRAME);
1646 if (fgState.DisplayMode & GLUT_STEREO)
1648 /* stereo mode does not engage on nVidia stereo buffers. This kills child
1649 windows, but we make the guess that those are rare for stereo windows. */
1650 newStyle |= WS_POPUP;
1652 SetWindowLong(window->Window.Handle, GWL_STYLE, newStyle);
1653 SetWindowLong(window->Window.Handle, GWL_EXSTYLE,
1654 window->State.pWState.OldStyleEx & ~(WS_EX_DLGMODALFRAME |
1655 WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE | WS_EX_STATICEDGE));
1657 /* For fullscreen mode, find the monitor that is covered the most
1658 * by the window and get its rect as the resize target.
1660 hMonitor= MonitorFromWindow(window->Window.Handle, MONITOR_DEFAULTTONEAREST);
1661 mi.cbSize = sizeof(mi);
1662 GetMonitorInfo(hMonitor, &mi);
1663 rect = mi.rcMonitor;
1665 /* then setup window resize, overwriting other work queued on the window */
1666 window->State.WorkMask |= GLUT_POSITION_WORK | GLUT_SIZE_WORK;
1667 window->State.WorkMask &= ~GLUT_ZORDER_WORK;
1668 window->State.DesiredXpos = rect.left;
1669 window->State.DesiredYpos = rect.top;
1670 window->State.DesiredWidth = rect.right - rect.left;
1671 window->State.DesiredHeight = rect.bottom - rect.top;
1674 #endif /*!defined(_WIN32_WCE) */
1676 /* Now deal with normal position, reshape and z order requests (some might have been set when handling GLUT_FULLSCREEN_WORK above */
1678 /* get rect describing window's current position and size,
1679 * in screen coordinates and in FreeGLUT format
1680 * (size (right-left, bottom-top) is client area size, top and left
1681 * are outside of window including decorations).
1683 fghGetClientArea( &clientRect, window, TRUE );
1685 if (workMask & GLUT_POSITION_WORK)
1687 flags &= ~SWP_NOMOVE;
1689 /* Move rect so that top-left is at requested position */
1690 /* This also automatically makes sure that child window requested coordinates are relative
1691 * to top-left of parent's client area (needed input for SetWindowPos on child windows),
1692 * so no need to further correct rect for child windows below (childs don't have decorations either).
1694 OffsetRect(&clientRect,window->State.DesiredXpos-clientRect.left,window->State.DesiredYpos-clientRect.top);
1696 if (workMask & GLUT_SIZE_WORK)
1698 flags &= ~SWP_NOSIZE;
1700 /* Note on maximizing behavior of Windows: the resize borders are off
1701 * the screen such that the client area extends all the way from the
1702 * leftmost corner to the rightmost corner to maximize screen real
1703 * estate. A caption is still shown however to allow interaction with
1704 * the window controls. This is default behavior of Windows that
1705 * FreeGLUT sticks with. To alter, one would have to check if
1706 * WS_MAXIMIZE style is set when a resize event is triggered, and
1707 * then manually correct the windowRect to put the borders back on
1711 /* Set new size of window, WxH specify client area */
1712 clientRect.right = clientRect.left + window->State.DesiredWidth;
1713 clientRect.bottom = clientRect.top + window->State.DesiredHeight;
1715 if (workMask & GLUT_ZORDER_WORK)
1717 flags &= ~SWP_NOZORDER;
1719 /* Could change this to push it down or up one window at a time with some
1720 * more code using GetWindow with GW_HWNDPREV and GW_HWNDNEXT.
1721 * What would be consistent with X11? Win32 GLUT does what we do here...
1723 if (window->State.DesiredZOrder < 0)
1724 insertAfter = HWND_BOTTOM;
1728 /* Adjust for window decorations
1729 * Child windows don't have decoration, so no need to correct
1731 if (!window->Parent)
1732 /* get the window rect from this to feed to SetWindowPos, correct for window decorations */
1733 fghComputeWindowRectFromClientArea_QueryWindow(&clientRect,window,TRUE);
1735 /* Do the requested positioning, moving, and z order push/pop. */
1736 SetWindowPos( window->Window.Handle,
1738 clientRect.left, clientRect.top,
1739 clientRect.right - clientRect.left,
1740 clientRect.bottom- clientRect.top,
1744 /* Finish off the fullscreen operation we were doing, if any */
1745 if (workMask & GLUT_FULL_SCREEN_WORK)
1747 if (window->State.IsFullscreen)
1749 /* leaving fullscreen, restore maximized state, if any */
1750 if (window->State.pWState.OldMaximized)
1751 SendMessage(window->Window.Handle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
1753 window->State.IsFullscreen = GL_FALSE;
1756 window->State.IsFullscreen = GL_TRUE;
1761 void fgPlatformVisibilityWork(SFG_Window* window)
1763 /* Visibility status of window gets updated in the WM_SHOWWINDOW and WM_SIZE handlers */
1765 SFG_Window *win = window;
1766 switch (window->State.DesiredVisibility)
1768 case DesireHiddenState:
1771 case DesireIconicState:
1772 cmdShow = SW_MINIMIZE;
1773 /* Call on top-level window */
1777 case DesireNormalState:
1778 if (win->IsMenu && !fgStructure.GameModeWindow)
1779 cmdShow = SW_SHOWNA; /* Just show, don't activate window if its a menu. Only exception is when there is a gamemode window as the menu would pop under it when we do this... */
1785 ShowWindow( win->Window.Handle, cmdShow );