2 * freeglut_main_mswin.c
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();
755 POINT mouse_pos = {GET_X_LPARAM(mouse_pos_dw), GET_Y_LPARAM(mouse_pos_dw)};
756 ScreenToClient( window->Window.Handle, &mouse_pos );
758 hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
759 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 */
761 child_window = fgWindowByHandle(hwnd);
762 if (child_window) /* Verify we got a FreeGLUT window */
764 /* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
765 window = fghWindowUnderCursor(child_window);
774 * The window procedure for handling Win32 events
776 LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
780 static int setCaptureActive = 0;
782 FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
784 window = fgWindowByHandle( hWnd );
786 if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
787 return DefWindowProc( hWnd, uMsg, wParam, lParam );
789 /* printf ( "Window %3d message %s (<%04x>) %12d %12d\n", window?window->ID:0,
790 WMMsg2Str(uMsg), uMsg, wParam, lParam ); */
795 /* The window structure is passed as the creation structure parameter... */
796 window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
797 FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
798 "fgPlatformWindowProc" );
800 window->Window.Handle = hWnd;
801 window->Window.pContext.Device = GetDC( hWnd );
804 unsigned int current_DisplayMode = fgState.DisplayMode;
805 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
806 #if !defined(_WIN32_WCE)
807 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
809 fgState.DisplayMode = current_DisplayMode;
811 if( fgStructure.MenuContext )
812 wglMakeCurrent( window->Window.pContext.Device,
813 fgStructure.MenuContext->MContext
817 fgStructure.MenuContext =
818 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
819 fgStructure.MenuContext->MContext =
820 wglCreateContext( window->Window.pContext.Device );
823 /* window->Window.Context = wglGetCurrentContext (); */
824 window->Window.Context = wglCreateContext( window->Window.pContext.Device );
828 #if !defined(_WIN32_WCE)
829 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
832 if( ! fgState.UseCurrentContext )
833 window->Window.Context =
834 wglCreateContext( window->Window.pContext.Device );
837 window->Window.Context = wglGetCurrentContext( );
838 if( ! window->Window.Context )
839 window->Window.Context =
840 wglCreateContext( window->Window.pContext.Device );
843 #if !defined(_WIN32_WCE)
844 fgNewWGLCreateContext( window );
848 ReleaseDC( window->Window.Handle, window->Window.pContext.Device );
850 #if defined(_WIN32_WCE)
851 /* Take over button handling */
853 HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
856 GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
857 GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
862 if(GXGetDefaultKeys_)
863 gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
866 #endif /* defined(_WIN32_WCE) */
870 /* printf("WM_SIZE (ID: %i): wParam: %i, new size: %ix%i \n",window->ID,wParam,LOWORD(lParam),HIWORD(lParam)); */
872 /* Update visibility state of the window */
873 if (wParam==SIZE_MINIMIZED)
874 fghPlatformOnWindowStatusNotify(window,GL_FALSE,GL_FALSE);
875 else if (wParam==SIZE_RESTORED && !window->State.Visible)
876 fghPlatformOnWindowStatusNotify(window,GL_TRUE,GL_FALSE);
878 /* Check window visible, we don't want do anything when we get a WM_SIZE because the user or glutIconifyWindow minimized the window */
879 if( window->State.Visible )
882 #if defined(_WIN32_WCE)
883 width = HIWORD(lParam);
884 height = LOWORD(lParam);
886 width = LOWORD(lParam);
887 height = HIWORD(lParam);
888 #endif /* defined(_WIN32_WCE) */
890 /* Update state and call callback, if there was a change */
891 fghOnReshapeNotify(window, width, height, GL_FALSE);
894 /* according to docs, should return 0 */
900 /* User resize-dragging the window, call reshape callback and
901 * force redisplay so display keeps running during dragging.
902 * Screen still wont update when not moving the cursor though...
905 /* PRECT prect = (PRECT) lParam;
906 printf("WM_SIZING: nc-area: %i,%i\n",prect->right-prect->left,prect->bottom-prect->top); */
907 /* Get client area, the rect in lParam is including non-client area. */
908 fghGetClientArea(&rect,window,FALSE);
910 /* We'll get a WM_SIZE as well, but as state has
911 * already been updated here, the fghOnReshapeNotify
912 * in the handler for that message doesn't do anything.
914 fghOnReshapeNotify(window, rect.right-rect.left, rect.bottom-rect.top, GL_FALSE);
916 /* Now directly call the drawing function to update
917 * window and window's childs.
918 * This mimics the WM_PAINT messages that are received during
919 * resizing. Note that we don't have a WM_MOVING handler
920 * as move-dragging doesn't generate WM_MOVE or WM_PAINT
921 * messages until the mouse is released.
923 fghRedrawWindowAndChildren(window);
926 /* according to docs, should return TRUE */
932 /* Check window is minimized, we don't want to call the position callback when the user or glutIconifyWindow minimized the window */
933 if (!IsIconic(window->Window.Handle))
937 /* lParam contains coordinates of top-left of client area.
938 * Get top-left of non-client area of window, matching coordinates of
939 * glutInitPosition and glutPositionWindow, but not those of
940 * glutGet(GLUT_WINDOW_X) and glutGet(GLUT_WINDOW_Y), which return
941 * top-left of client area.
943 GetWindowRect( window->Window.Handle, &windowRect );
947 /* For child window, we should return relative to upper-left
948 * of parent's client area.
950 POINT topleft = {windowRect.left,windowRect.top};
952 ScreenToClient(window->Parent->Window.Handle,&topleft);
953 windowRect.left = topleft.x;
954 windowRect.top = topleft.y;
957 /* Update state and call callback, if there was a change */
958 fghOnPositionNotify(window, windowRect.left, windowRect.top, GL_FALSE);
962 /* according to docs, should return 0 */
967 /*printf("WM_SETFOCUS: %p\n", window );*/
968 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
970 SetActiveWindow( window->Window.Handle );
971 UpdateWindow ( hWnd );
976 /*printf("WM_KILLFOCUS: %p\n", window ); */
977 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
979 /* Check if there are any open menus that need to be closed */
980 fgPlatformCheckMenuDeactivate((HWND)wParam);
983 case WM_MOUSEACTIVATE:
984 /* Clicks should not activate the menu.
985 * Especially important when clicking on a menu's submenu item which has no effect.
987 /*printf("WM_MOUSEACTIVATE\n");*/
989 lRet = MA_NOACTIVATEANDEAT;
991 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
994 case WM_NCLBUTTONDOWN:
995 case WM_NCMBUTTONDOWN:
996 case WM_NCRBUTTONDOWN:
999 if (fgState.ActiveMenus && (menu = fgGetActiveMenu()))
1000 /* user clicked non-client area of window while a menu is open. Close menu */
1001 fgDeactivateMenu(menu->ParentWindow);
1003 /* and always pass to DefWindowProc */
1004 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1010 /* printf("WM_ACTIVATE: %x (ID: %i) %d %d\n",lParam, window->ID, HIWORD(wParam), LOWORD(wParam)); */
1011 if (LOWORD(wParam) != WA_INACTIVE)
1013 /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
1014 window->State.Cursor ); */
1015 fgSetCursor( window, window->State.Cursor );
1018 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1023 /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
1024 if( LOWORD( lParam ) == HTCLIENT )
1026 if (!window->State.pWState.MouseTracking)
1028 TRACKMOUSEEVENT tme;
1030 /* Cursor just entered window, set cursor look */
1031 fgSetCursor ( window, window->State.Cursor ) ;
1033 /* If an EntryFunc callback is specified by the user, also
1034 * invoke that callback and start mouse tracking so that
1035 * we get a WM_MOUSELEAVE message
1037 if (FETCH_WCB( *window, Entry ))
1039 SFG_Window* saved_window = fgStructure.CurrentWindow;
1040 INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
1041 fgSetWindow(saved_window);
1043 tme.cbSize = sizeof(TRACKMOUSEEVENT);
1044 tme.dwFlags = TME_LEAVE;
1045 tme.hwndTrack = window->Window.Handle;
1046 TrackMouseEvent(&tme);
1048 window->State.pWState.MouseTracking = TRUE;
1053 /* Only pass non-client WM_SETCURSOR to DefWindowProc, or we get WM_SETCURSOR on parents of children as well */
1054 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1059 /* NB: This message is only received when a EntryFunc callback
1060 * is specified by the user, as that is the only condition under
1061 * which mouse tracking is setup in WM_SETCURSOR handler above
1063 SFG_Window* saved_window = fgStructure.CurrentWindow;
1064 INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
1065 fgSetWindow(saved_window);
1067 window->State.pWState.MouseTracking = FALSE;
1068 lRet = 0; /* As per docs, must return zero */
1073 /* printf("WM_SHOWWINDOW, shown? %i, source: %i\n",wParam,lParam); */
1076 fghPlatformOnWindowStatusNotify(window, GL_TRUE, GL_FALSE);
1077 window->State.WorkMask |= GLUT_DISPLAY_WORK;
1081 fghPlatformOnWindowStatusNotify(window, GL_FALSE, GL_FALSE);
1082 window->State.WorkMask &= ~GLUT_DISPLAY_WORK;
1090 /* As per docs, upon receiving WM_PAINT, first check if the update region is not empty before you call BeginPaint */
1091 if (GetUpdateRect(hWnd,&rect,FALSE))
1093 /* Dummy begin/end paint to validate rect that needs
1094 * redrawing, then signal that a redisplay is needed.
1095 * This allows us full control about when we do any
1096 * redrawing, and is the same as what original GLUT
1100 BeginPaint( hWnd, &ps );
1101 EndPaint( hWnd, &ps );
1103 window->State.WorkMask |= GLUT_DISPLAY_WORK;
1105 lRet = 0; /* As per docs, should return 0 */
1110 fgDestroyWindow ( window );
1111 if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
1117 * The window already got destroyed, so don't bother with it.
1123 /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
1124 #if defined(_WIN32_WCE)
1125 window->State.MouseX = 320-HIWORD( lParam ); /* XXX: Docs say x should be loword and y hiword? */
1126 window->State.MouseY = LOWORD( lParam );
1128 window->State.MouseX = GET_X_LPARAM( lParam );
1129 window->State.MouseY = GET_Y_LPARAM( lParam );
1130 #endif /* defined(_WIN32_WCE) */
1131 /* Restrict to [-32768, 32767] to match X11 behaviour */
1132 /* See comment in "freeglut_developer" mailing list 10/4/04 */
1133 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
1134 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
1136 if ( window->ActiveMenu )
1138 fgUpdateMenuHighlight( window->ActiveMenu );
1142 fgState.Modifiers = fgPlatformGetModifiers( );
1144 if( ( wParam & MK_LBUTTON ) ||
1145 ( wParam & MK_MBUTTON ) ||
1146 ( wParam & MK_RBUTTON ) )
1147 INVOKE_WCB( *window, Motion, ( window->State.MouseX,
1148 window->State.MouseY ) );
1150 INVOKE_WCB( *window, Passive, ( window->State.MouseX,
1151 window->State.MouseY ) );
1153 fgState.Modifiers = INVALID_MODIFIERS;
1157 case WM_LBUTTONDOWN:
1158 case WM_MBUTTONDOWN:
1159 case WM_RBUTTONDOWN:
1164 GLboolean pressed = GL_TRUE;
1167 /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
1168 #if defined(_WIN32_WCE)
1169 window->State.MouseX = 320-HIWORD( lParam ); /* XXX: Docs say x should be loword and y hiword? */
1170 window->State.MouseY = LOWORD( lParam );
1172 window->State.MouseX = GET_X_LPARAM( lParam );
1173 window->State.MouseY = GET_Y_LPARAM( lParam );
1174 #endif /* defined(_WIN32_WCE) */
1176 /* Restrict to [-32768, 32767] to match X11 behaviour */
1177 /* See comment in "freeglut_developer" mailing list 10/4/04 */
1178 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
1179 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
1183 case WM_LBUTTONDOWN:
1185 button = GLUT_LEFT_BUTTON;
1187 case WM_MBUTTONDOWN:
1189 button = GLUT_MIDDLE_BUTTON;
1191 case WM_RBUTTONDOWN:
1193 button = GLUT_RIGHT_BUTTON;
1197 button = GLUT_LEFT_BUTTON;
1201 button = GLUT_MIDDLE_BUTTON;
1205 button = GLUT_RIGHT_BUTTON;
1213 #if !defined(_WIN32_WCE)
1214 if( GetSystemMetrics( SM_SWAPBUTTON ) )
1216 if( button == GLUT_LEFT_BUTTON )
1217 button = GLUT_RIGHT_BUTTON;
1219 if( button == GLUT_RIGHT_BUTTON )
1220 button = GLUT_LEFT_BUTTON;
1222 #endif /* !defined(_WIN32_WCE) */
1225 return DefWindowProc( hWnd, uMsg, lParam, wParam );
1228 * Do not execute the application's mouse callback if a menu
1229 * is hooked to this button. In that case an appropriate
1230 * private call should be generated.
1232 if( fgCheckActiveMenu( window, button, pressed,
1233 window->State.MouseX, window->State.MouseY ) )
1236 /* Set capture so that the window captures all the mouse messages
1238 * The mouse is not released from the window until all buttons have
1239 * been released, even if the user presses a button in another window.
1240 * This is consistent with the behavior on X11.
1242 if ( pressed == GL_TRUE )
1244 if (!setCaptureActive)
1245 SetCapture ( window->Window.Handle ) ;
1246 setCaptureActive = 1; /* Set to false in WM_CAPTURECHANGED handler */
1248 else if (!fgGetKeyState(VK_LBUTTON) && !fgGetKeyState(VK_MBUTTON) && !fgGetKeyState(VK_RBUTTON))
1249 /* Make sure all mouse buttons are released before releasing capture */
1252 if( ! FETCH_WCB( *window, Mouse ) )
1255 fgSetWindow( window );
1256 fgState.Modifiers = fgPlatformGetModifiers( );
1261 pressed ? GLUT_DOWN : GLUT_UP,
1262 window->State.MouseX,
1263 window->State.MouseY
1267 fgState.Modifiers = INVALID_MODIFIERS;
1269 /* As per docs, should return zero */
1276 int wheel_number = 0; /* Only one scroll wheel on windows */
1277 #if defined(_WIN32_WCE)
1278 int modkeys = LOWORD(wParam);
1279 short ticks = (short)HIWORD(wParam);
1280 /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
1281 xPos = LOWORD(lParam); -- straight from docs, not consistent with mouse nutton and mouse motion above (which i think is wrong)
1282 yPos = HIWORD(lParam);
1285 /* int modkeys = GET_KEYSTATE_WPARAM( wParam ); */
1286 short ticks = HIWORD( wParam );
1287 /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
1288 window->State.MouseX = GET_X_LPARAM( lParam );
1289 window->State.MouseY = GET_Y_LPARAM( lParam );
1291 #endif /* defined(_WIN32_WCE) */
1293 window = fghWindowUnderCursor(window);
1295 fgState.MouseWheelTicks += ticks;
1296 if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
1298 int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
1300 if( ! FETCH_WCB( *window, MouseWheel ) &&
1301 ! FETCH_WCB( *window, Mouse ) )
1304 fgSetWindow( window );
1305 fgState.Modifiers = fgPlatformGetModifiers( );
1307 while( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
1309 if( FETCH_WCB( *window, MouseWheel ) )
1310 INVOKE_WCB( *window, MouseWheel,
1313 window->State.MouseX,
1314 window->State.MouseY
1317 else /* No mouse wheel, call the mouse button callback twice */
1320 * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
1321 * " " one +1 to 5, -1 to 6, ...
1323 * XXX The below assumes that you have no more than 3 mouse
1324 * XXX buttons. Sorry.
1326 int button = wheel_number * 2 + 3;
1329 INVOKE_WCB( *window, Mouse,
1330 ( button, GLUT_DOWN,
1331 window->State.MouseX, window->State.MouseY )
1333 INVOKE_WCB( *window, Mouse,
1335 window->State.MouseX, window->State.MouseY )
1339 fgState.MouseWheelTicks -= WHEEL_DELTA * direction;
1342 fgState.Modifiers = INVALID_MODIFIERS;
1344 /* Per docs, should return zero */
1352 window = fghWindowUnderCursor(window);
1353 lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
1360 window = fghWindowUnderCursor(window);
1361 lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
1368 window = fghWindowUnderCursor(window);
1370 if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
1373 fgState.Modifiers = fgPlatformGetModifiers( );
1374 INVOKE_WCB( *window, Keyboard,
1376 window->State.MouseX, window->State.MouseY )
1378 fgState.Modifiers = INVALID_MODIFIERS;
1382 case WM_CAPTURECHANGED:
1383 if (!lParam || !fgWindowByHandle((HWND)lParam))
1384 /* Capture released or capture taken by non-FreeGLUT window */
1385 setCaptureActive = 0;
1386 /* Docs advise a redraw */
1387 InvalidateRect( hWnd, NULL, GL_FALSE );
1389 lRet = 0; /* Per docs, should return zero */
1392 #if !defined(_WIN32_WCE)
1393 case WM_SYNCPAINT: /* 0x0088 */
1394 /* Another window has moved, need to update this one */
1395 window->State.WorkMask |= GLUT_DISPLAY_WORK;
1396 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1397 /* Help screen says this message must be passed to "DefWindowProc" */
1400 case WM_DISPLAYCHANGE: /* 0x007E */
1401 /* The system display resolution/depth has changed */
1402 fgDisplay.ScreenWidth = LOWORD(lParam);
1403 fgDisplay.ScreenHeight = HIWORD(lParam);
1406 case WM_SYSCOMMAND : /* 0x0112 */
1409 * We have received a system command message. Try to act on it.
1410 * The commands are passed in through the "wParam" parameter:
1411 * The least significant digit seems to be which edge of the window
1412 * is being used for a resize event:
1416 * Congratulations and thanks to Richard Rauch for figuring this out..
1418 switch ( wParam & 0xfff0 )
1427 /* User has clicked on the "-" to minimize the window */
1428 /* Turning off the visibility is handled in WM_SIZE handler */
1435 case SC_NEXTWINDOW :
1438 case SC_PREVWINDOW :
1442 /* Followed very closely by a WM_CLOSE message */
1466 case SC_SCREENSAVE :
1472 #if(WINVER >= 0x0400)
1476 case SC_MONITORPOWER :
1479 case SC_CONTEXTHELP :
1481 #endif /* WINVER >= 0x0400 */
1485 fgWarning( "Unknown wParam type 0x%x", wParam );
1490 #endif /* !defined(_WIN32_WCE) */
1492 /* We need to pass the message on to the operating system as well */
1493 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1497 /* handle multi-touch messages */
1500 unsigned int numInputs = (unsigned int)wParam;
1502 TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs);
1504 if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) {
1505 fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo");
1506 fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle");
1509 if (!fghGetTouchInputInfo) {
1514 if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) {
1515 /* Handle each contact point */
1516 for (i = 0; i < numInputs; ++i ) {
1519 tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
1520 tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
1521 ScreenToClient( hWnd, &tp );
1523 ti[i].dwID = ti[i].dwID * 2;
1525 if (ti[i].dwFlags & TOUCHEVENTF_DOWN) {
1526 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) );
1527 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) );
1528 } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
1529 INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) );
1530 } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
1531 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) );
1532 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) );
1536 fghCloseTouchInputHandle((HTOUCHINPUT)lParam);
1538 lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/
1543 /* Handle unhandled messages */
1544 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1552 /* deal with work list items */
1553 void fgPlatformInitWork(SFG_Window* window)
1557 /* Notify windowStatus/visibility */
1558 fghPlatformOnWindowStatusNotify(window, window->State.Visible, GL_TRUE);
1560 /* get and notify window's position */
1561 GetWindowRect(window->Window.Handle,&windowRect);
1562 fghOnPositionNotify(window, windowRect.left, windowRect.top, GL_TRUE);
1564 /* get and notify window's size */
1565 GetClientRect(window->Window.Handle,&windowRect);
1566 fghOnReshapeNotify(window, windowRect.right-windowRect.left, windowRect.bottom-windowRect.top, GL_TRUE);
1569 /* On windows we can position, resize and change z order at the same time */
1570 void fgPlatformPosResZordWork(SFG_Window* window, unsigned int workMask)
1572 UINT flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING | SWP_NOSIZE | SWP_NOZORDER;
1573 HWND insertAfter = HWND_TOP;
1576 #if !defined(_WIN32_WCE) /* FIXME: what about WinCE */
1577 if (workMask & GLUT_FULL_SCREEN_WORK)
1579 /* This asks us to toggle fullscreen mode */
1580 flags |= SWP_FRAMECHANGED;
1582 if (window->State.IsFullscreen)
1584 /* If we are fullscreen, resize the current window back to its original size */
1585 /* 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); */
1587 /* restore style of window before making it fullscreen */
1588 SetWindowLong(window->Window.Handle, GWL_STYLE, window->State.pWState.OldStyle);
1589 SetWindowLong(window->Window.Handle, GWL_EXSTYLE, window->State.pWState.OldStyleEx);
1591 /* Then set up resize/reposition, unless user already queued up reshape/position work */
1592 if (!(workMask & GLUT_POSITION_WORK))
1594 workMask |= GLUT_POSITION_WORK;
1595 window->State.DesiredXpos = window->State.pWState.OldRect.left;
1596 window->State.DesiredYpos = window->State.pWState.OldRect.top;
1598 if (!(workMask & GLUT_SIZE_WORK))
1600 workMask |= GLUT_SIZE_WORK;
1601 window->State.DesiredWidth = window->State.pWState.OldRect.right - window->State.pWState.OldRect.left;
1602 window->State.DesiredHeight = window->State.pWState.OldRect.bottom - window->State.pWState.OldRect.top;
1605 /* We'll finish off the fullscreen operation below after the other GLUT_POSITION_WORK|GLUT_SIZE_WORK|GLUT_ZORDER_WORK */
1609 /* we are currently not fullscreen, go to fullscreen:
1610 * remove window decoration and then maximize
1616 /* save current window rect, style, exstyle and maximized state */
1617 window->State.pWState.OldMaximized = !!IsZoomed(window->Window.Handle);
1618 if (window->State.pWState.OldMaximized)
1619 /* We force the window into restored mode before going
1620 * fullscreen because Windows doesn't seem to hide the
1621 * taskbar if the window is in the maximized state.
1623 SendMessage(window->Window.Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
1625 fghGetClientArea( &window->State.pWState.OldRect, window, GL_TRUE );
1626 window->State.pWState.OldStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
1627 window->State.pWState.OldStyleEx = GetWindowLong(window->Window.Handle, GWL_EXSTYLE);
1629 /* remove decorations from style */
1630 SetWindowLong(window->Window.Handle, GWL_STYLE,
1631 window->State.pWState.OldStyle & ~(WS_CAPTION | WS_THICKFRAME));
1632 SetWindowLong(window->Window.Handle, GWL_EXSTYLE,
1633 window->State.pWState.OldStyleEx & ~(WS_EX_DLGMODALFRAME |
1634 WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE | WS_EX_STATICEDGE));
1636 /* For fullscreen mode, find the monitor that is covered the most
1637 * by the window and get its rect as the resize target.
1639 GetWindowRect(window->Window.Handle, &rect);
1640 hMonitor= MonitorFromRect(&rect, MONITOR_DEFAULTTONEAREST);
1641 mi.cbSize = sizeof(mi);
1642 GetMonitorInfo(hMonitor, &mi);
1643 rect = mi.rcMonitor;
1645 /* then setup window resize, overwriting other work queued on the window */
1646 window->State.WorkMask |= GLUT_POSITION_WORK | GLUT_SIZE_WORK;
1647 window->State.WorkMask &= ~GLUT_ZORDER_WORK;
1648 window->State.DesiredXpos = rect.left;
1649 window->State.DesiredYpos = rect.top;
1650 window->State.DesiredWidth = rect.right - rect.left;
1651 window->State.DesiredHeight = rect.bottom - rect.top;
1654 #endif /*!defined(_WIN32_WCE) */
1656 /* Now deal with normal position, reshape and z order requests (some might have been set when handling GLUT_FULLSCREEN_WORK above */
1658 /* get rect describing window's current position and size,
1659 * in screen coordinates and in FreeGLUT format
1660 * (size (right-left, bottom-top) is client area size, top and left
1661 * are outside of window including decorations).
1663 fghGetClientArea( &clientRect, window, TRUE );
1665 if (workMask & GLUT_POSITION_WORK)
1667 flags &= ~SWP_NOMOVE;
1669 /* Move rect so that top-left is at requested position */
1670 /* This also automatically makes sure that child window requested coordinates are relative
1671 * to top-left of parent's client area (needed input for SetWindowPos on child windows),
1672 * so no need to further correct rect for child windows below (childs don't have decorations either).
1674 OffsetRect(&clientRect,window->State.DesiredXpos-clientRect.left,window->State.DesiredYpos-clientRect.top);
1676 if (workMask & GLUT_SIZE_WORK)
1678 flags &= ~SWP_NOSIZE;
1680 /* Note on maximizing behavior of Windows: the resize borders are off
1681 * the screen such that the client area extends all the way from the
1682 * leftmost corner to the rightmost corner to maximize screen real
1683 * estate. A caption is still shown however to allow interaction with
1684 * the window controls. This is default behavior of Windows that
1685 * FreeGLUT sticks with. To alter, one would have to check if
1686 * WS_MAXIMIZE style is set when a resize event is triggered, and
1687 * then manually correct the windowRect to put the borders back on
1691 /* Set new size of window, WxH specify client area */
1692 clientRect.right = clientRect.left + window->State.DesiredWidth;
1693 clientRect.bottom = clientRect.top + window->State.DesiredHeight;
1695 if (workMask & GLUT_ZORDER_WORK)
1697 flags &= ~SWP_NOZORDER;
1699 /* Could change this to push it down or up one window at a time with some
1700 * more code using GetWindow with GW_HWNDPREV and GW_HWNDNEXT.
1701 * What would be consistent with X11? Win32 GLUT does what we do here...
1703 if (window->State.DesiredZOrder < 0)
1704 insertAfter = HWND_BOTTOM;
1708 /* Adjust for window decorations
1709 * Child windows don't have decoration, so no need to correct
1711 if (!window->Parent)
1712 /* get the window rect from this to feed to SetWindowPos, correct for window decorations */
1713 fghComputeWindowRectFromClientArea_QueryWindow(&clientRect,window,TRUE);
1715 /* Do the requested positioning, moving, and z order push/pop. */
1716 SetWindowPos( window->Window.Handle,
1718 clientRect.left, clientRect.top,
1719 clientRect.right - clientRect.left,
1720 clientRect.bottom- clientRect.top,
1724 /* Finish off the fullscreen operation we were doing, if any */
1725 if (workMask & GLUT_FULL_SCREEN_WORK)
1727 if (window->State.IsFullscreen)
1729 /* leaving fullscreen, restore maximized state, if any */
1730 if (window->State.pWState.OldMaximized)
1731 SendMessage(window->Window.Handle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
1733 window->State.IsFullscreen = GL_FALSE;
1736 window->State.IsFullscreen = GL_TRUE;
1741 void fgPlatformVisibilityWork(SFG_Window* window)
1743 /* Visibility status of window gets updated in the WM_SHOWWINDOW and WM_SIZE handlers */
1745 SFG_Window *win = window;
1746 switch (window->State.DesiredVisibility)
1748 case DesireHiddenState:
1751 case DesireIconicState:
1752 cmdShow = SW_MINIMIZE;
1753 /* Call on top-level window */
1757 case DesireNormalState:
1758 if (win->IsMenu && (!fgStructure.GameModeWindow || win->ActiveMenu->ParentWindow != fgStructure.GameModeWindow))
1759 cmdShow = SW_SHOWNA; /* Just show, don't activate window if its a menu. Only exception is when the parent is a gamemode window as the menu would pop under it when we do this... */
1765 ShowWindow( win->Window.Handle, cmdShow );