4 * The windows message processing methods.
6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
8 * Creation date: Fri Dec 3 1999
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 "freeglut_internal.h"
33 # define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
36 # define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
38 # define VFPRINTF(s,f,a) _doprnt((f),(a),(s))
40 # define VFPRINTF(s,f,a)
46 typedef struct GXDisplayProperties GXDisplayProperties;
47 typedef struct GXKeyList GXKeyList;
50 typedef struct GXKeyList (*GXGETDEFAULTKEYS)(int);
51 typedef int (*GXOPENINPUT)();
53 GXGETDEFAULTKEYS GXGetDefaultKeys_ = NULL;
54 GXOPENINPUT GXOpenInput_ = NULL;
56 struct GXKeyList gxKeyList;
61 * Try to get the maximum value allowed for ints, falling back to the minimum
62 * guaranteed by ISO C99 if there is no suitable header.
68 # define INT_MAX 32767
72 #define MIN(a,b) (((a)<(b)) ? (a) : (b))
77 * TODO BEFORE THE STABLE RELEASE:
79 * There are some issues concerning window redrawing under X11, and maybe
80 * some events are not handled. The Win32 version lacks some more features,
81 * but seems acceptable for not demanding purposes.
83 * Need to investigate why the X11 version breaks out with an error when
84 * closing a window (using the window manager, not glutDestroyWindow)...
87 /* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
90 * Handle a window configuration change. When no reshape
91 * callback is hooked, the viewport size is updated to
92 * match the new window size.
94 static void fghReshapeWindow ( SFG_Window *window, int width, int height )
96 SFG_Window *current_window = fgStructure.CurrentWindow;
98 freeglut_return_if_fail( window != NULL );
101 #if TARGET_HOST_UNIX_X11
103 XResizeWindow( fgDisplay.Display, window->Window.Handle,
105 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
107 #elif TARGET_HOST_WIN32
113 * For windowed mode, get the current position of the
114 * window and resize taking the size of the frame
115 * decorations into account.
118 /* "GetWindowRect" returns the pixel coordinates of the outside of the window */
119 GetWindowRect( window->Window.Handle, &winRect );
125 if ( window->Parent == NULL )
127 if ( ! window->IsMenu && !window->State.IsGameMode )
129 w += GetSystemMetrics( SM_CXSIZEFRAME ) * 2;
130 h += GetSystemMetrics( SM_CYSIZEFRAME ) * 2 +
131 GetSystemMetrics( SM_CYCAPTION );
137 GetWindowRect( window->Parent->Window.Handle, &parentRect );
138 x -= parentRect.left + GetSystemMetrics( SM_CXSIZEFRAME ) * 2;
139 y -= parentRect.top + GetSystemMetrics( SM_CYSIZEFRAME ) * 2 +
140 GetSystemMetrics( SM_CYCAPTION );
144 * SWP_NOACTIVATE Do not activate the window
145 * SWP_NOOWNERZORDER Do not change position in z-order
146 * SWP_NOSENDCHANGING Supress WM_WINDOWPOSCHANGING message
147 * SWP_NOZORDER Retains the current Z order (ignore 2nd param)
150 SetWindowPos( window->Window.Handle,
153 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
160 * XXX Should update {window->State.OldWidth, window->State.OldHeight}
161 * XXX to keep in lockstep with UNIX_X11 code.
163 if( FETCH_WCB( *window, Reshape ) )
164 INVOKE_WCB( *window, Reshape, ( width, height ) );
167 fgSetWindow( window );
168 glViewport( 0, 0, width, height );
172 * Force a window redraw. In Windows at least this is only a partial
173 * solution: if the window is increasing in size in either dimension,
174 * the already-drawn part does not get drawn again and things look funny.
175 * But without this we get this bad behaviour whenever we resize the
178 window->State.Redisplay = GL_TRUE;
181 fgSetWindow( current_window );
185 * Calls a window's redraw method. This is used when
186 * a redraw is forced by the incoming window messages.
188 static void fghRedrawWindow ( SFG_Window *window )
190 SFG_Window *current_window = fgStructure.CurrentWindow;
192 freeglut_return_if_fail( window );
193 freeglut_return_if_fail( FETCH_WCB ( *window, Display ) );
195 window->State.Redisplay = GL_FALSE;
197 freeglut_return_if_fail( window->State.Visible );
199 fgSetWindow( window );
201 if( window->State.NeedToResize )
209 window->State.NeedToResize = GL_FALSE;
212 INVOKE_WCB( *window, Display, ( ) );
214 fgSetWindow( current_window );
218 * A static helper function to execute display callback for a window
220 static void fghcbDisplayWindow( SFG_Window *window,
221 SFG_Enumerator *enumerator )
223 if( window->State.Redisplay &&
224 window->State.Visible )
226 window->State.Redisplay = GL_FALSE;
228 #if TARGET_HOST_UNIX_X11
229 fghRedrawWindow ( window ) ;
230 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
232 window->Window.Handle, NULL, NULL,
233 RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE | RDW_UPDATENOW
238 fgEnumSubWindows( window, fghcbDisplayWindow, enumerator );
242 * Make all windows perform a display call
244 static void fghDisplayAll( void )
246 SFG_Enumerator enumerator;
248 enumerator.found = GL_FALSE;
249 enumerator.data = NULL;
251 fgEnumWindows( fghcbDisplayWindow, &enumerator );
255 * Window enumerator callback to check for the joystick polling code
257 static void fghcbCheckJoystickPolls( SFG_Window *window,
258 SFG_Enumerator *enumerator )
260 long int checkTime = fgElapsedTime( );
262 if( window->State.JoystickLastPoll + window->State.JoystickPollRate <=
265 #if !TARGET_HOST_WINCE
266 fgJoystickPollWindow( window );
267 #endif /* !TARGET_HOST_WINCE */
268 window->State.JoystickLastPoll = checkTime;
271 fgEnumSubWindows( window, fghcbCheckJoystickPolls, enumerator );
275 * Check all windows for joystick polling
277 static void fghCheckJoystickPolls( void )
279 SFG_Enumerator enumerator;
281 enumerator.found = GL_FALSE;
282 enumerator.data = NULL;
284 fgEnumWindows( fghcbCheckJoystickPolls, &enumerator );
288 * Check the global timers
290 static void fghCheckTimers( void )
292 long checkTime = fgElapsedTime( );
294 while( fgState.Timers.First )
296 SFG_Timer *timer = fgState.Timers.First;
298 if( timer->TriggerTime > checkTime )
301 fgListRemove( &fgState.Timers, &timer->Node );
302 fgListAppend( &fgState.FreeTimers, &timer->Node );
304 timer->Callback( timer->ID );
311 long fgElapsedTime( void )
313 if ( fgState.Time.Set )
315 #if TARGET_HOST_UNIX_X11
319 gettimeofday( &now, NULL );
321 elapsed = (now.tv_usec - fgState.Time.Value.tv_usec) / 1000;
322 elapsed += (now.tv_sec - fgState.Time.Value.tv_sec) * 1000;
325 #elif TARGET_HOST_WIN32
326 return timeGetTime() - fgState.Time.Value;
327 #elif TARGET_HOST_WINCE
328 return GetTickCount() - fgState.Time.Value;
333 #if TARGET_HOST_UNIX_X11
334 gettimeofday( &fgState.Time.Value, NULL );
335 #elif TARGET_HOST_WIN32
336 fgState.Time.Value = timeGetTime ();
337 #elif TARGET_HOST_WINCE
338 fgState.Time.Value = GetTickCount();
340 fgState.Time.Set = GL_TRUE ;
349 void fgError( const char *fmt, ... )
355 fprintf( stderr, "freeglut ");
356 if( fgState.ProgramName )
357 fprintf( stderr, "(%s): ", fgState.ProgramName );
358 VFPRINTF( stderr, fmt, ap );
359 fprintf( stderr, "\n" );
363 if ( fgState.Initialised )
369 void fgWarning( const char *fmt, ... )
375 fprintf( stderr, "freeglut ");
376 if( fgState.ProgramName )
377 fprintf( stderr, "(%s): ", fgState.ProgramName );
378 VFPRINTF( stderr, fmt, ap );
379 fprintf( stderr, "\n" );
385 * Indicates whether Joystick events are being used by ANY window.
387 * The current mechanism is to walk all of the windows and ask if
388 * there is a joystick callback. We have a short-circuit early
389 * return if we find any joystick handler registered.
391 * The real way to do this is to make use of the glutTimer() API
392 * to more cleanly re-implement the joystick API. Then, this code
393 * and all other "joystick timer" code can be yanked.
396 static void fghCheckJoystickCallback( SFG_Window* w, SFG_Enumerator* e)
398 if( FETCH_WCB( *w, Joystick ) )
403 fgEnumSubWindows( w, fghCheckJoystickCallback, e );
405 static int fghHaveJoystick( void )
407 SFG_Enumerator enumerator;
409 enumerator.found = GL_FALSE;
410 enumerator.data = NULL;
411 fgEnumWindows( fghCheckJoystickCallback, &enumerator );
412 return !!enumerator.data;
414 static void fghHavePendingRedisplaysCallback( SFG_Window* w, SFG_Enumerator* e)
416 if( w->State.Redisplay )
421 fgEnumSubWindows( w, fghHavePendingRedisplaysCallback, e );
423 static int fghHavePendingRedisplays (void)
425 SFG_Enumerator enumerator;
427 enumerator.found = GL_FALSE;
428 enumerator.data = NULL;
429 fgEnumWindows( fghHavePendingRedisplaysCallback, &enumerator );
430 return !!enumerator.data;
433 * Returns the number of GLUT ticks (milliseconds) till the next timer event.
435 static long fghNextTimer( void )
438 SFG_Timer *timer = fgState.Timers.First;
441 ret = timer->TriggerTime - fgElapsedTime();
448 * Does the magic required to relinquish the CPU until something interesting
451 static void fghSleepForEvents( void )
455 if( fgState.IdleCallback || fghHavePendingRedisplays( ) )
458 msec = fghNextTimer( );
459 /* XXX Use GLUT timers for joysticks... */
460 /* XXX Dumb; forces granularity to .01sec */
461 if( fghHaveJoystick( ) && ( msec > 10 ) )
464 #if TARGET_HOST_UNIX_X11
466 * Possibly due to aggressive use of XFlush() and friends,
467 * it is possible to have our socket drained but still have
468 * unprocessed events. (Or, this may just be normal with
469 * X, anyway?) We do non-trivial processing of X events
470 * after the event-reading loop, in any case, so we
471 * need to allow that we may have an empty socket but non-
474 if( ! XPending( fgDisplay.Display ) )
481 socket = ConnectionNumber( fgDisplay.Display );
483 FD_SET( socket, &fdset );
484 wait.tv_sec = msec / 1000;
485 wait.tv_usec = (msec % 1000) * 1000;
486 err = select( socket+1, &fdset, NULL, NULL, &wait );
488 if( ( -1 == err ) && ( errno != EINTR ) )
489 fgWarning ( "freeglut select() error: %d", errno );
491 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
492 MsgWaitForMultipleObjects( 0, NULL, FALSE, msec, QS_ALLEVENTS );
496 #if TARGET_HOST_UNIX_X11
498 * Returns GLUT modifier mask for an XEvent.
500 static int fghGetXModifiers( XEvent *event )
504 if( event->xkey.state & ( ShiftMask | LockMask ) )
505 ret |= GLUT_ACTIVE_SHIFT;
506 if( event->xkey.state & ControlMask )
507 ret |= GLUT_ACTIVE_CTRL;
508 if( event->xkey.state & Mod1Mask )
509 ret |= GLUT_ACTIVE_ALT;
516 #if TARGET_HOST_UNIX_X11 && _DEBUG
518 static const char* fghTypeToString( int type )
521 case KeyPress: return "KeyPress";
522 case KeyRelease: return "KeyRelease";
523 case ButtonPress: return "ButtonPress";
524 case ButtonRelease: return "ButtonRelease";
525 case MotionNotify: return "MotionNotify";
526 case EnterNotify: return "EnterNotify";
527 case LeaveNotify: return "LeaveNotify";
528 case FocusIn: return "FocusIn";
529 case FocusOut: return "FocusOut";
530 case KeymapNotify: return "KeymapNotify";
531 case Expose: return "Expose";
532 case GraphicsExpose: return "GraphicsExpose";
533 case NoExpose: return "NoExpose";
534 case VisibilityNotify: return "VisibilityNotify";
535 case CreateNotify: return "CreateNotify";
536 case DestroyNotify: return "DestroyNotify";
537 case UnmapNotify: return "UnmapNotify";
538 case MapNotify: return "MapNotify";
539 case MapRequest: return "MapRequest";
540 case ReparentNotify: return "ReparentNotify";
541 case ConfigureNotify: return "ConfigureNotify";
542 case ConfigureRequest: return "ConfigureRequest";
543 case GravityNotify: return "GravityNotify";
544 case ResizeRequest: return "ResizeRequest";
545 case CirculateNotify: return "CirculateNotify";
546 case CirculateRequest: return "CirculateRequest";
547 case PropertyNotify: return "PropertyNotify";
548 case SelectionClear: return "SelectionClear";
549 case SelectionRequest: return "SelectionRequest";
550 case SelectionNotify: return "SelectionNotify";
551 case ColormapNotify: return "ColormapNotify";
552 case ClientMessage: return "ClientMessage";
553 case MappingNotify: return "MappingNotify";
554 default: return "UNKNOWN";
558 static const char* fghBoolToString( Bool b )
560 return b == False ? "False" : "True";
563 static const char* fghNotifyHintToString( char is_hint )
566 case NotifyNormal: return "NotifyNormal";
567 case NotifyHint: return "NotifyHint";
568 default: return "UNKNOWN";
572 static const char* fghNotifyModeToString( int mode )
575 case NotifyNormal: return "NotifyNormal";
576 case NotifyGrab: return "NotifyGrab";
577 case NotifyUngrab: return "NotifyUngrab";
578 case NotifyWhileGrabbed: return "NotifyWhileGrabbed";
579 default: return "UNKNOWN";
583 static const char* fghNotifyDetailToString( int detail )
586 case NotifyAncestor: return "NotifyAncestor";
587 case NotifyVirtual: return "NotifyVirtual";
588 case NotifyInferior: return "NotifyInferior";
589 case NotifyNonlinear: return "NotifyNonlinear";
590 case NotifyNonlinearVirtual: return "NotifyNonlinearVirtual";
591 case NotifyPointer: return "NotifyPointer";
592 case NotifyPointerRoot: return "NotifyPointerRoot";
593 case NotifyDetailNone: return "NotifyDetailNone";
594 default: return "UNKNOWN";
598 static const char* fghVisibilityToString( int state ) {
600 case VisibilityUnobscured: return "VisibilityUnobscured";
601 case VisibilityPartiallyObscured: return "VisibilityPartiallyObscured";
602 case VisibilityFullyObscured: return "VisibilityFullyObscured";
603 default: return "UNKNOWN";
607 static const char* fghConfigureDetailToString( int detail )
610 case Above: return "Above";
611 case Below: return "Below";
612 case TopIf: return "TopIf";
613 case BottomIf: return "BottomIf";
614 case Opposite: return "Opposite";
615 default: return "UNKNOWN";
619 static const char* fghPlaceToString( int place )
622 case PlaceOnTop: return "PlaceOnTop";
623 case PlaceOnBottom: return "PlaceOnBottom";
624 default: return "UNKNOWN";
628 static const char* fghMappingRequestToString( int request )
631 case MappingModifier: return "MappingModifier";
632 case MappingKeyboard: return "MappingKeyboard";
633 case MappingPointer: return "MappingPointer";
634 default: return "UNKNOWN";
638 static const char* fghPropertyStateToString( int state )
641 case PropertyNewValue: return "PropertyNewValue";
642 case PropertyDelete: return "PropertyDelete";
643 default: return "UNKNOWN";
647 static const char* fghColormapStateToString( int state )
650 case ColormapUninstalled: return "ColormapUninstalled";
651 case ColormapInstalled: return "ColormapInstalled";
652 default: return "UNKNOWN";
656 static void fghPrintEvent( XEvent *event )
658 switch( event->type ) {
662 XKeyEvent *e = &event->xkey;
663 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
664 "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
665 "keycode=%u, same_screen=%s", fghTypeToString( e->type ),
666 e->window, e->root, e->subwindow, (unsigned long)e->time,
667 e->x, e->y, e->x_root, e->y_root, e->state, e->keycode,
668 fghBoolToString( e->same_screen ) );
673 case ButtonRelease: {
674 XButtonEvent *e = &event->xbutton;
675 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
676 "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
677 "button=%u, same_screen=%d", fghTypeToString( e->type ),
678 e->window, e->root, e->subwindow, (unsigned long)e->time,
679 e->x, e->y, e->x_root, e->y_root, e->state, e->button,
680 fghBoolToString( e->same_screen ) );
685 XMotionEvent *e = &event->xmotion;
686 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
687 "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
688 "is_hint=%s, same_screen=%d", fghTypeToString( e->type ),
689 e->window, e->root, e->subwindow, (unsigned long)e->time,
690 e->x, e->y, e->x_root, e->y_root, e->state,
691 fghNotifyHintToString( e->is_hint ),
692 fghBoolToString( e->same_screen ) );
698 XCrossingEvent *e = &event->xcrossing;
699 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
700 "(x,y)=(%d,%d), mode=%s, detail=%s, same_screen=%d, "
701 "focus=%d, state=0x%x", fghTypeToString( e->type ),
702 e->window, e->root, e->subwindow, (unsigned long)e->time,
703 e->x, e->y, fghNotifyModeToString( e->mode ),
704 fghNotifyDetailToString( e->detail ), (int)e->same_screen,
705 (int)e->focus, e->state );
711 XFocusChangeEvent *e = &event->xfocus;
712 fgWarning( "%s: window=0x%x, mode=%s, detail=%s",
713 fghTypeToString( e->type ), e->window,
714 fghNotifyModeToString( e->mode ),
715 fghNotifyDetailToString( e->detail ) );
720 XKeymapEvent *e = &event->xkeymap;
721 char buf[32 * 2 + 1];
723 for ( i = 0; i < 32; i++ ) {
724 snprintf( &buf[ i * 2 ], sizeof( buf ) - i * 2,
725 "%02x", e->key_vector[ i ] );
728 fgWarning( "%s: window=0x%x, %s", fghTypeToString( e->type ), e->window,
734 XExposeEvent *e = &event->xexpose;
735 fgWarning( "%s: window=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "
736 "count=%d", fghTypeToString( e->type ), e->window, e->x,
737 e->y, e->width, e->height, e->count );
741 case GraphicsExpose: {
742 XGraphicsExposeEvent *e = &event->xgraphicsexpose;
743 fgWarning( "%s: drawable=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "
744 "count=%d, (major_code,minor_code)=(%d,%d)",
745 fghTypeToString( e->type ), e->drawable, e->x, e->y,
746 e->width, e->height, e->count, e->major_code,
752 XNoExposeEvent *e = &event->xnoexpose;
753 fgWarning( "%s: drawable=0x%x, (major_code,minor_code)=(%d,%d)",
754 fghTypeToString( e->type ), e->drawable, e->major_code,
759 case VisibilityNotify: {
760 XVisibilityEvent *e = &event->xvisibility;
761 fgWarning( "%s: window=0x%x, state=%s", fghTypeToString( e->type ),
762 e->window, fghVisibilityToString( e->state) );
767 XCreateWindowEvent *e = &event->xcreatewindow;
768 fgWarning( "%s: (x,y)=(%d,%d), (width,height)=(%d,%d), border_width=%d, "
769 "window=0x%x, override_redirect=%s",
770 fghTypeToString( e->type ), e->x, e->y, e->width, e->height,
771 e->border_width, e->window,
772 fghBoolToString( e->override_redirect ) );
776 case DestroyNotify: {
777 XDestroyWindowEvent *e = &event->xdestroywindow;
778 fgWarning( "%s: event=0x%x, window=0x%x",
779 fghTypeToString( e->type ), e->event, e->window );
784 XUnmapEvent *e = &event->xunmap;
785 fgWarning( "%s: event=0x%x, window=0x%x, from_configure=%s",
786 fghTypeToString( e->type ), e->event, e->window,
787 fghBoolToString( e->from_configure ) );
792 XMapEvent *e = &event->xmap;
793 fgWarning( "%s: event=0x%x, window=0x%x, override_redirect=%s",
794 fghTypeToString( e->type ), e->event, e->window,
795 fghBoolToString( e->override_redirect ) );
800 XMapRequestEvent *e = &event->xmaprequest;
801 fgWarning( "%s: parent=0x%x, window=0x%x",
802 fghTypeToString( event->type ), e->parent, e->window );
806 case ReparentNotify: {
807 XReparentEvent *e = &event->xreparent;
808 fgWarning( "%s: event=0x%x, window=0x%x, parent=0x%x, (x,y)=(%d,%d), "
809 "override_redirect=%s", fghTypeToString( e->type ),
810 e->event, e->window, e->parent, e->x, e->y,
811 fghBoolToString( e->override_redirect ) );
815 case ConfigureNotify: {
816 XConfigureEvent *e = &event->xconfigure;
817 fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d), "
818 "(width,height)=(%d,%d), border_width=%d, above=0x%x, "
819 "override_redirect=%s", fghTypeToString( e->type ), e->event,
820 e->window, e->x, e->y, e->width, e->height, e->border_width,
821 e->above, fghBoolToString( e->override_redirect ) );
825 case ConfigureRequest: {
826 XConfigureRequestEvent *e = &event->xconfigurerequest;
827 fgWarning( "%s: parent=0x%x, window=0x%x, (x,y)=(%d,%d), "
828 "(width,height)=(%d,%d), border_width=%d, above=0x%x, "
829 "detail=%s, value_mask=%lx", fghTypeToString( e->type ),
830 e->parent, e->window, e->x, e->y, e->width, e->height,
831 e->border_width, e->above,
832 fghConfigureDetailToString( e->detail ), e->value_mask );
836 case GravityNotify: {
837 XGravityEvent *e = &event->xgravity;
838 fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d)",
839 fghTypeToString( e->type ), e->event, e->window, e->x, e->y );
843 case ResizeRequest: {
844 XResizeRequestEvent *e = &event->xresizerequest;
845 fgWarning( "%s: window=0x%x, (width,height)=(%d,%d)",
846 fghTypeToString( e->type ), e->window, e->width, e->height );
850 case CirculateNotify: {
851 XCirculateEvent *e = &event->xcirculate;
852 fgWarning( "%s: event=0x%x, window=0x%x, place=%s",
853 fghTypeToString( e->type ), e->event, e->window,
854 fghPlaceToString( e->place ) );
858 case CirculateRequest: {
859 XCirculateRequestEvent *e = &event->xcirculaterequest;
860 fgWarning( "%s: parent=0x%x, window=0x%x, place=%s",
861 fghTypeToString( e->type ), e->parent, e->window,
862 fghPlaceToString( e->place ) );
866 case PropertyNotify: {
867 XPropertyEvent *e = &event->xproperty;
868 fgWarning( "%s: window=0x%x, atom=%lu, time=%lu, state=%s",
869 fghTypeToString( e->type ), e->window,
870 (unsigned long)e->atom, (unsigned long)e->time,
871 fghPropertyStateToString( e->state ) );
875 case SelectionClear: {
876 XSelectionClearEvent *e = &event->xselectionclear;
877 fgWarning( "%s: window=0x%x, selection=%lu, time=%lu",
878 fghTypeToString( e->type ), e->window,
879 (unsigned long)e->selection, (unsigned long)e->time );
883 case SelectionRequest: {
884 XSelectionRequestEvent *e = &event->xselectionrequest;
885 fgWarning( "%s: owner=0x%x, requestor=0x%x, selection=0x%x, "
886 "target=0x%x, property=%lu, time=%lu",
887 fghTypeToString( e->type ), e->owner, e->requestor,
888 (unsigned long)e->selection, (unsigned long)e->target,
889 (unsigned long)e->property, (unsigned long)e->time );
893 case SelectionNotify: {
894 XSelectionEvent *e = &event->xselection;
895 fgWarning( "%s: requestor=0x%x, selection=0x%x, target=0x%x, "
896 "property=%lu, time=%lu", fghTypeToString( e->type ),
897 e->requestor, (unsigned long)e->selection,
898 (unsigned long)e->target, (unsigned long)e->property,
899 (unsigned long)e->time );
903 case ColormapNotify: {
904 XColormapEvent *e = &event->xcolormap;
905 fgWarning( "%s: window=0x%x, colormap=%lu, new=%s, state=%s",
906 fghTypeToString( e->type ), e->window,
907 (unsigned long)e->colormap, fghBoolToString( e->new ),
908 fghColormapStateToString( e->state ) );
912 case ClientMessage: {
913 XClientMessageEvent *e = &event->xclient;
916 char* end = buf + sizeof( buf );
918 switch( e->format ) {
920 for ( i = 0; i < 20; i++, p += 3 ) {
921 snprintf( p, end - p, " %02x", e->data.b[ i ] );
925 for ( i = 0; i < 10; i++, p += 5 ) {
926 snprintf( p, end - p, " %04x", e->data.s[ i ] );
930 for ( i = 0; i < 5; i++, p += 9 ) {
931 snprintf( p, end - p, " %08lx", e->data.l[ i ] );
936 fgWarning( "%s: window=0x%x, message_type=%lu, format=%d, data=(%s )",
937 fghTypeToString( e->type ), e->window,
938 (unsigned long)e->message_type, e->format, buf );
942 case MappingNotify: {
943 XMappingEvent *e = &event->xmapping;
944 fgWarning( "%s: window=0x%x, request=%s, first_keycode=%d, count=%d",
945 fghTypeToString( e->type ), e->window,
946 fghMappingRequestToString( e->request ), e->first_keycode,
952 fgWarning( "%s", fghTypeToString( event->type ) );
960 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
963 * Executes a single iteration in the freeglut processing loop.
965 void FGAPIENTRY glutMainLoopEvent( void )
967 #if TARGET_HOST_UNIX_X11
971 /* This code was repeated constantly, so here it goes into a definition: */
972 #define GETWINDOW(a) \
973 window = fgWindowByHandle( event.a.window ); \
974 if( window == NULL ) \
977 #define GETMOUSE(a) \
978 window->State.MouseX = event.a.x; \
979 window->State.MouseY = event.a.y;
981 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
983 while( XPending( fgDisplay.Display ) )
985 XNextEvent( fgDisplay.Display, &event );
987 fghPrintEvent( &event );
993 /* Destroy the window when the WM_DELETE_WINDOW message arrives */
994 if( (Atom) event.xclient.data.l[ 0 ] == fgDisplay.DeleteWindow )
996 GETWINDOW( xclient );
998 fgDestroyWindow ( window );
1000 if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
1005 else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
1006 fgState.ExecState = GLUT_EXEC_STATE_STOP;
1013 * CreateNotify causes a configure-event so that sub-windows are
1014 * handled compatibly with GLUT. Otherwise, your sub-windows
1015 * (in freeglut only) will not get an initial reshape event,
1016 * which can break things.
1018 * GLUT presumably does this because it generally tries to treat
1019 * sub-windows the same as windows.
1022 case ConfigureNotify:
1025 if( event.type == CreateNotify ) {
1026 GETWINDOW( xcreatewindow );
1027 width = event.xcreatewindow.width;
1028 height = event.xcreatewindow.height;
1030 GETWINDOW( xconfigure );
1031 width = event.xconfigure.width;
1032 height = event.xconfigure.height;
1035 if( ( width != window->State.OldWidth ) ||
1036 ( height != window->State.OldHeight ) )
1038 SFG_Window *current_window = fgStructure.CurrentWindow;
1040 window->State.OldWidth = width;
1041 window->State.OldHeight = height;
1042 if( FETCH_WCB( *window, Reshape ) )
1043 INVOKE_WCB( *window, Reshape, ( width, height ) );
1046 fgSetWindow( window );
1047 glViewport( 0, 0, width, height );
1049 glutPostRedisplay( );
1050 if( window->IsMenu )
1051 fgSetWindow( current_window );
1058 * This is sent to confirm the XDestroyWindow call.
1060 * XXX WHY is this commented out? Should we re-enable it?
1062 /* fgAddToWindowDestroyList ( window ); */
1067 * We are too dumb to process partial exposes...
1069 * XXX Well, we could do it. However, it seems to only
1070 * XXX be potentially useful for single-buffered (since
1071 * XXX double-buffered does not respect viewport when we
1072 * XXX do a buffer-swap).
1075 if( event.xexpose.count == 0 )
1077 GETWINDOW( xexpose );
1078 window->State.Redisplay = GL_TRUE;
1085 * If we never do anything with this, can we just not ask to
1086 * get these messages?
1092 * Have the client's keyboard knowledge updated (xlib.ps,
1093 * page 206, says that's a good thing to do)
1095 XRefreshKeyboardMapping( (XMappingEvent *) &event );
1098 case VisibilityNotify:
1100 GETWINDOW( xvisibility );
1102 * XXX INVOKE_WCB() does this check for us.
1104 if( ! FETCH_WCB( *window, WindowStatus ) )
1106 fgSetWindow( window );
1109 * Sending this event, the X server can notify us that the window
1110 * has just acquired one of the three possible visibility states:
1111 * VisibilityUnobscured, VisibilityPartiallyObscured or
1112 * VisibilityFullyObscured
1114 switch( event.xvisibility.state )
1116 case VisibilityUnobscured:
1117 INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) );
1118 window->State.Visible = GL_TRUE;
1121 case VisibilityPartiallyObscured:
1122 INVOKE_WCB( *window, WindowStatus,
1123 ( GLUT_PARTIALLY_RETAINED ) );
1124 window->State.Visible = GL_TRUE;
1127 case VisibilityFullyObscured:
1128 INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_COVERED ) );
1129 window->State.Visible = GL_FALSE;
1133 fgWarning( "Unknown X visibility state: %d",
1134 event.xvisibility.state );
1142 GETWINDOW( xcrossing );
1143 GETMOUSE( xcrossing );
1144 if( ( event.type == LeaveNotify ) && window->IsMenu &&
1145 window->ActiveMenu && window->ActiveMenu->IsActive )
1146 fgUpdateMenuHighlight( window->ActiveMenu );
1148 INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ?
1155 GETWINDOW( xmotion );
1156 GETMOUSE( xmotion );
1158 if( window->ActiveMenu )
1160 if( window == window->ActiveMenu->ParentWindow )
1162 window->ActiveMenu->Window->State.MouseX =
1163 event.xmotion.x_root - window->ActiveMenu->X;
1164 window->ActiveMenu->Window->State.MouseY =
1165 event.xmotion.y_root - window->ActiveMenu->Y;
1168 fgUpdateMenuHighlight( window->ActiveMenu );
1174 * XXX For more than 5 buttons, just check {event.xmotion.state},
1175 * XXX rather than a host of bit-masks? Or maybe we need to
1176 * XXX track ButtonPress/ButtonRelease events in our own
1179 #define BUTTON_MASK \
1180 ( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
1181 if ( event.xmotion.state & BUTTON_MASK )
1182 INVOKE_WCB( *window, Motion, ( event.xmotion.x,
1183 event.xmotion.y ) );
1185 INVOKE_WCB( *window, Passive, ( event.xmotion.x,
1186 event.xmotion.y ) );
1193 GLboolean pressed = GL_TRUE;
1196 if( event.type == ButtonRelease )
1197 pressed = GL_FALSE ;
1200 * A mouse button has been pressed or released. Traditionally,
1201 * break if the window was found within the freeglut structures.
1203 GETWINDOW( xbutton );
1204 GETMOUSE( xbutton );
1207 * An X button (at least in XFree86) is numbered from 1.
1208 * A GLUT button is numbered from 0.
1209 * Old GLUT passed through buttons other than just the first
1210 * three, though it only gave symbolic names and official
1211 * support to the first three.
1213 button = event.xbutton.button - 1;
1216 * Do not execute the application's mouse callback if a menu
1217 * is hooked to this button. In that case an appropriate
1218 * private call should be generated.
1220 if( fgCheckActiveMenu( window, button, pressed,
1221 event.xbutton.x_root, event.xbutton.y_root ) )
1225 * Check if there is a mouse or mouse wheel callback hooked to the
1228 if( ! FETCH_WCB( *window, Mouse ) &&
1229 ! FETCH_WCB( *window, MouseWheel ) )
1232 fgState.Modifiers = fghGetXModifiers( &event );
1234 /* Finally execute the mouse or mouse wheel callback */
1235 if( ( button < glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS ) ) || ( ! FETCH_WCB( *window, MouseWheel ) ) )
1236 INVOKE_WCB( *window, Mouse, ( button,
1237 pressed ? GLUT_DOWN : GLUT_UP,
1244 * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1
1245 * " 6 and 7 " " one; ...
1247 * XXX This *should* be behind some variables/macros,
1248 * XXX since the order and numbering isn't certain
1249 * XXX See XFree86 configuration docs (even back in the
1250 * XXX 3.x days, and especially with 4.x).
1252 * XXX Note that {button} has already been decremeted
1253 * XXX in mapping from X button numbering to GLUT.
1255 int wheel_number = (button - glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS )) / 2;
1261 INVOKE_WCB( *window, MouseWheel, ( wheel_number,
1268 /* Trash the modifiers state */
1269 fgState.Modifiers = 0xffffffff;
1276 FGCBKeyboard keyboard_cb;
1277 FGCBSpecial special_cb;
1282 /* Detect auto repeated keys, if configured globally or per-window */
1284 if ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE )
1286 if (event.type==KeyRelease)
1289 * Look at X11 keystate to detect repeat mode.
1290 * While X11 says the key is actually held down, we'll ignore KeyRelease/KeyPress pairs.
1294 XQueryKeymap( fgDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */
1296 if ( event.xkey.keycode<256 ) /* XQueryKeymap is limited to 256 keycodes */
1298 if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) )
1299 window->State.KeyRepeating = GL_TRUE;
1301 window->State.KeyRepeating = GL_FALSE;
1306 window->State.KeyRepeating = GL_FALSE;
1308 /* Cease processing this event if it is auto repeated */
1310 if (window->State.KeyRepeating)
1313 if( event.type == KeyPress )
1315 keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard ));
1316 special_cb = (FGCBSpecial) ( FETCH_WCB( *window, Special ));
1320 keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp ));
1321 special_cb = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp ));
1324 /* Is there a keyboard/special callback hooked for this window? */
1325 if( keyboard_cb || special_cb )
1327 XComposeStatus composeStatus;
1328 char asciiCode[ 32 ];
1332 /* Check for the ASCII/KeySym codes associated with the event: */
1333 len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),
1334 &keySym, &composeStatus
1337 /* GLUT API tells us to have two separate callbacks... */
1340 /* ...one for the ASCII translateable keypresses... */
1343 fgSetWindow( window );
1344 fgState.Modifiers = fghGetXModifiers( &event );
1345 keyboard_cb( asciiCode[ 0 ],
1346 event.xkey.x, event.xkey.y
1348 fgState.Modifiers = 0xffffffff;
1356 * ...and one for all the others, which need to be
1357 * translated to GLUT_KEY_Xs...
1361 case XK_F1: special = GLUT_KEY_F1; break;
1362 case XK_F2: special = GLUT_KEY_F2; break;
1363 case XK_F3: special = GLUT_KEY_F3; break;
1364 case XK_F4: special = GLUT_KEY_F4; break;
1365 case XK_F5: special = GLUT_KEY_F5; break;
1366 case XK_F6: special = GLUT_KEY_F6; break;
1367 case XK_F7: special = GLUT_KEY_F7; break;
1368 case XK_F8: special = GLUT_KEY_F8; break;
1369 case XK_F9: special = GLUT_KEY_F9; break;
1370 case XK_F10: special = GLUT_KEY_F10; break;
1371 case XK_F11: special = GLUT_KEY_F11; break;
1372 case XK_F12: special = GLUT_KEY_F12; break;
1374 case XK_Left: special = GLUT_KEY_LEFT; break;
1375 case XK_Right: special = GLUT_KEY_RIGHT; break;
1376 case XK_Up: special = GLUT_KEY_UP; break;
1377 case XK_Down: special = GLUT_KEY_DOWN; break;
1380 case XK_Prior: special = GLUT_KEY_PAGE_UP; break;
1382 case XK_Next: special = GLUT_KEY_PAGE_DOWN; break;
1384 case XK_Home: special = GLUT_KEY_HOME; break;
1386 case XK_End: special = GLUT_KEY_END; break;
1388 case XK_Insert: special = GLUT_KEY_INSERT; break;
1392 * Execute the callback (if one has been specified),
1393 * given that the special code seems to be valid...
1395 if( special_cb && (special != -1) )
1397 fgSetWindow( window );
1398 fgState.Modifiers = fghGetXModifiers( &event );
1399 special_cb( special, event.xkey.x, event.xkey.y );
1400 fgState.Modifiers = 0xffffffff;
1407 case ReparentNotify:
1408 break; /* XXX Should disable this event */
1411 fgWarning ("Unknown X event type: %d", event.type);
1416 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
1420 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
1422 while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
1424 if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
1426 if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
1431 else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
1432 fgState.ExecState = GLUT_EXEC_STATE_STOP;
1437 TranslateMessage( &stMsg );
1438 DispatchMessage( &stMsg );
1442 if( fgState.Timers.First )
1444 fghCheckJoystickPolls( );
1451 * Enters the freeglut processing loop.
1452 * Stays until the "ExecState" changes to "GLUT_EXEC_STATE_STOP".
1454 void FGAPIENTRY glutMainLoop( void )
1458 #if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
1459 SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ;
1462 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoop" );
1464 #if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
1466 * Processing before the main loop: If there is a window which is open and
1467 * which has a visibility callback, call it. I know this is an ugly hack,
1468 * but I'm not sure what else to do about it. Ideally we should leave
1469 * something uninitialized in the create window code and initialize it in
1470 * the main loop, and have that initialization create a "WM_ACTIVATE"
1471 * message. Then we would put the visibility callback code in the
1472 * "case WM_ACTIVATE" block below. - John Fay -- 10/24/02
1476 if ( FETCH_WCB( *window, Visibility ) )
1478 SFG_Window *current_window = fgStructure.CurrentWindow ;
1480 INVOKE_WCB( *window, Visibility, ( window->State.Visible ) );
1481 fgSetWindow( current_window );
1484 window = (SFG_Window *)window->Node.Next ;
1488 fgState.ExecState = GLUT_EXEC_STATE_RUNNING ;
1489 while( fgState.ExecState == GLUT_EXEC_STATE_RUNNING )
1493 glutMainLoopEvent( );
1495 * Step through the list of windows, seeing if there are any
1496 * that are not menus
1498 for( window = ( SFG_Window * )fgStructure.Windows.First;
1500 window = ( SFG_Window * )window->Node.Next )
1501 if ( ! ( window->IsMenu ) )
1505 fgState.ExecState = GLUT_EXEC_STATE_STOP;
1508 if( fgState.IdleCallback )
1510 if( fgStructure.CurrentWindow &&
1511 fgStructure.CurrentWindow->IsMenu )
1513 fgSetWindow( window );
1514 fgState.IdleCallback( );
1517 fghSleepForEvents( );
1522 * When this loop terminates, destroy the display, state and structure
1523 * of a freeglut session, so that another glutInit() call can happen
1525 * Save the "ActionOnWindowClose" because "fgDeinitialize" resets it.
1527 action = fgState.ActionOnWindowClose;
1529 if( action == GLUT_ACTION_EXIT )
1534 * Leaves the freeglut processing loop.
1536 void FGAPIENTRY glutLeaveMainLoop( void )
1538 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLeaveMainLoop" );
1539 fgState.ExecState = GLUT_EXEC_STATE_STOP ;
1543 #if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
1545 * Determine a GLUT modifer mask based on MS-WINDOWS system info.
1547 static int fghGetWin32Modifiers (void)
1550 ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
1551 ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
1552 ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
1553 ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
1554 ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
1555 ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
1559 * The window procedure for handling Win32 events
1561 LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
1568 FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
1570 window = fgWindowByHandle( hWnd );
1572 if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
1573 return DefWindowProc( hWnd, uMsg, wParam, lParam );
1575 /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
1576 uMsg, wParam, lParam ); */
1580 /* The window structure is passed as the creation structure paramter... */
1581 window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
1582 FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
1585 window->Window.Handle = hWnd;
1586 window->Window.Device = GetDC( hWnd );
1587 if( window->IsMenu )
1589 unsigned int current_DisplayMode = fgState.DisplayMode;
1590 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
1591 #if !TARGET_HOST_WINCE
1592 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
1594 fgState.DisplayMode = current_DisplayMode;
1596 if( fgStructure.MenuContext )
1597 wglMakeCurrent( window->Window.Device,
1598 fgStructure.MenuContext->Context
1602 fgStructure.MenuContext =
1603 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
1604 fgStructure.MenuContext->Context =
1605 wglCreateContext( window->Window.Device );
1608 /* window->Window.Context = wglGetCurrentContext (); */
1609 window->Window.Context = wglCreateContext( window->Window.Device );
1613 #if !TARGET_HOST_WINCE
1614 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
1617 if( ! fgState.UseCurrentContext )
1618 window->Window.Context =
1619 wglCreateContext( window->Window.Device );
1622 window->Window.Context = wglGetCurrentContext( );
1623 if( ! window->Window.Context )
1624 window->Window.Context =
1625 wglCreateContext( window->Window.Device );
1629 window->State.NeedToResize = GL_TRUE;
1630 window->State.Width = fgState.Size.X;
1631 window->State.Height = fgState.Size.Y;
1633 ReleaseDC( window->Window.Handle, window->Window.Device );
1635 #if TARGET_HOST_WINCE
1636 /* Take over button handling */
1638 HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
1641 GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
1642 GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
1647 if(GXGetDefaultKeys_)
1648 gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
1651 #endif /* TARGET_HOST_WINCE */
1656 * If the window is visible, then it is the user manually resizing it.
1657 * If it is not, then it is the system sending us a dummy resize with
1658 * zero dimensions on a "glutIconifyWindow" call.
1660 if( window->State.Visible )
1662 window->State.NeedToResize = GL_TRUE;
1663 #if TARGET_HOST_WINCE
1664 window->State.Width = HIWORD(lParam);
1665 window->State.Height = LOWORD(lParam);
1667 window->State.Width = LOWORD(lParam);
1668 window->State.Height = HIWORD(lParam);
1669 #endif /* TARGET_HOST_WINCE */
1675 /* printf("WM_SETFOCUS: %p\n", window ); */
1676 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1680 if (LOWORD(wParam) != WA_INACTIVE)
1682 /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
1683 window->State.Cursor ); */
1684 fgSetCursor( window, window->State.Cursor );
1687 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1692 /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
1693 if( LOWORD( lParam ) == HTCLIENT )
1694 fgSetCursor ( window, window->State.Cursor ) ;
1696 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1700 window->State.Visible = GL_TRUE;
1701 window->State.Redisplay = GL_TRUE;
1705 /* Turn on the visibility in case it was turned off somehow */
1706 window->State.Visible = GL_TRUE;
1707 BeginPaint( hWnd, &ps );
1708 fghRedrawWindow( window );
1709 EndPaint( hWnd, &ps );
1713 fgDestroyWindow ( window );
1714 if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
1720 * The window already got destroyed, so don't bother with it.
1724 /* XXX For a future patch: we need a mouse entry event. Unfortunately Windows
1725 * XXX doesn't give us one, so we will probably need a "MouseInWindow" flag in
1726 * XXX the SFG_Window structure. Set it to true to begin with and then have the
1727 * XXX WM_MOUSELEAVE code set it to false. Then when we get a WM_MOUSEMOVE event,
1728 * XXX if the flag is false we invoke the Entry callback and set the flag to true.
1730 case 0x02a2: /* This is the message we get when the mouse is leaving the window */
1731 if( window->IsMenu &&
1732 window->ActiveMenu && window->ActiveMenu->IsActive )
1733 fgUpdateMenuHighlight( window->ActiveMenu );
1735 INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
1740 #if TARGET_HOST_WINCE
1741 window->State.MouseX = 320-HIWORD( lParam );
1742 window->State.MouseY = LOWORD( lParam );
1744 window->State.MouseX = LOWORD( lParam );
1745 window->State.MouseY = HIWORD( lParam );
1746 #endif /* TARGET_HOST_WINCE */
1747 /* Restrict to [-32768, 32767] to match X11 behaviour */
1748 /* See comment in "freeglut_developer" mailing list 10/4/04 */
1749 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
1750 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
1752 if ( window->ActiveMenu )
1754 fgUpdateMenuHighlight( window->ActiveMenu );
1758 fgState.Modifiers = fghGetWin32Modifiers( );
1760 if( ( wParam & MK_LBUTTON ) ||
1761 ( wParam & MK_MBUTTON ) ||
1762 ( wParam & MK_RBUTTON ) )
1763 INVOKE_WCB( *window, Motion, ( window->State.MouseX,
1764 window->State.MouseY ) );
1766 INVOKE_WCB( *window, Passive, ( window->State.MouseX,
1767 window->State.MouseY ) );
1769 fgState.Modifiers = 0xffffffff;
1773 case WM_LBUTTONDOWN:
1774 case WM_MBUTTONDOWN:
1775 case WM_RBUTTONDOWN:
1780 GLboolean pressed = GL_TRUE;
1783 #if TARGET_HOST_WINCE
1784 window->State.MouseX = 320-HIWORD( lParam );
1785 window->State.MouseY = LOWORD( lParam );
1787 window->State.MouseX = LOWORD( lParam );
1788 window->State.MouseY = HIWORD( lParam );
1789 #endif /* TARGET_HOST_WINCE */
1791 /* Restrict to [-32768, 32767] to match X11 behaviour */
1792 /* See comment in "freeglut_developer" mailing list 10/4/04 */
1793 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
1794 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
1798 case WM_LBUTTONDOWN:
1800 button = GLUT_LEFT_BUTTON;
1802 case WM_MBUTTONDOWN:
1804 button = GLUT_MIDDLE_BUTTON;
1806 case WM_RBUTTONDOWN:
1808 button = GLUT_RIGHT_BUTTON;
1812 button = GLUT_LEFT_BUTTON;
1816 button = GLUT_MIDDLE_BUTTON;
1820 button = GLUT_RIGHT_BUTTON;
1828 #if !TARGET_HOST_WINCE
1829 if( GetSystemMetrics( SM_SWAPBUTTON ) )
1831 if( button == GLUT_LEFT_BUTTON )
1832 button = GLUT_RIGHT_BUTTON;
1834 if( button == GLUT_RIGHT_BUTTON )
1835 button = GLUT_LEFT_BUTTON;
1837 #endif /* !TARGET_HOST_WINCE */
1840 return DefWindowProc( hWnd, uMsg, lParam, wParam );
1843 * Do not execute the application's mouse callback if a menu
1844 * is hooked to this button. In that case an appropriate
1845 * private call should be generated.
1847 if( fgCheckActiveMenu( window, button, pressed,
1848 window->State.MouseX, window->State.MouseY ) )
1851 /* Set capture so that the window captures all the mouse messages */
1853 * XXX - Multiple button support: Under X11, the mouse is not released
1854 * XXX - from the window until all buttons have been released, even if the
1855 * XXX - user presses a button in another window. This will take more
1856 * XXX - code changes than I am up to at the moment (10/5/04). The present
1857 * XXX - is a 90 percent solution.
1859 if ( pressed == GL_TRUE )
1860 SetCapture ( window->Window.Handle ) ;
1864 if( ! FETCH_WCB( *window, Mouse ) )
1867 fgSetWindow( window );
1868 fgState.Modifiers = fghGetWin32Modifiers( );
1873 pressed ? GLUT_DOWN : GLUT_UP,
1874 window->State.MouseX,
1875 window->State.MouseY
1879 fgState.Modifiers = 0xffffffff;
1884 /* Should be WM_MOUSEWHEEL but my compiler doesn't recognize it */
1887 * XXX THIS IS SPECULATIVE -- John Fay, 10/2/03
1888 * XXX Should use WHEEL_DELTA instead of 120
1890 int wheel_number = LOWORD( wParam );
1891 short ticks = ( short )HIWORD( wParam ) / 120;
1901 * The mouse cursor has moved. Remember the new mouse cursor's position
1903 /* window->State.MouseX = LOWORD( lParam ); */
1904 /* Need to adjust by window position, */
1905 /* window->State.MouseY = HIWORD( lParam ); */
1906 /* change "lParam" to other parameter */
1908 if( ! FETCH_WCB( *window, MouseWheel ) &&
1909 ! FETCH_WCB( *window, Mouse ) )
1912 fgSetWindow( window );
1913 fgState.Modifiers = fghGetWin32Modifiers( );
1916 if( FETCH_WCB( *window, MouseWheel ) )
1917 INVOKE_WCB( *window, MouseWheel,
1920 window->State.MouseX,
1921 window->State.MouseY
1924 else /* No mouse wheel, call the mouse button callback twice */
1927 * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
1928 * " " one +1 to 5, -1 to 6, ...
1930 * XXX The below assumes that you have no more than 3 mouse
1931 * XXX buttons. Sorry.
1933 int button = wheel_number * 2 + 3;
1936 INVOKE_WCB( *window, Mouse,
1937 ( button, GLUT_DOWN,
1938 window->State.MouseX, window->State.MouseY )
1940 INVOKE_WCB( *window, Mouse,
1942 window->State.MouseX, window->State.MouseY )
1946 fgState.Modifiers = 0xffffffff;
1956 if( ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
1960 * Remember the current modifiers state. This is done here in order
1961 * to make sure the VK_DELETE keyboard callback is executed properly.
1963 fgState.Modifiers = fghGetWin32Modifiers( );
1965 GetCursorPos( &mouse_pos );
1966 ScreenToClient( window->Window.Handle, &mouse_pos );
1968 window->State.MouseX = mouse_pos.x;
1969 window->State.MouseY = mouse_pos.y;
1971 /* Convert the Win32 keystroke codes to GLUTtish way */
1972 # define KEY(a,b) case a: keypress = b; break;
1976 KEY( VK_F1, GLUT_KEY_F1 );
1977 KEY( VK_F2, GLUT_KEY_F2 );
1978 KEY( VK_F3, GLUT_KEY_F3 );
1979 KEY( VK_F4, GLUT_KEY_F4 );
1980 KEY( VK_F5, GLUT_KEY_F5 );
1981 KEY( VK_F6, GLUT_KEY_F6 );
1982 KEY( VK_F7, GLUT_KEY_F7 );
1983 KEY( VK_F8, GLUT_KEY_F8 );
1984 KEY( VK_F9, GLUT_KEY_F9 );
1985 KEY( VK_F10, GLUT_KEY_F10 );
1986 KEY( VK_F11, GLUT_KEY_F11 );
1987 KEY( VK_F12, GLUT_KEY_F12 );
1988 KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
1989 KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
1990 KEY( VK_HOME, GLUT_KEY_HOME );
1991 KEY( VK_END, GLUT_KEY_END );
1992 KEY( VK_LEFT, GLUT_KEY_LEFT );
1993 KEY( VK_UP, GLUT_KEY_UP );
1994 KEY( VK_RIGHT, GLUT_KEY_RIGHT );
1995 KEY( VK_DOWN, GLUT_KEY_DOWN );
1996 KEY( VK_INSERT, GLUT_KEY_INSERT );
1999 /* The delete key should be treated as an ASCII keypress: */
2000 INVOKE_WCB( *window, Keyboard,
2001 ( 127, window->State.MouseX, window->State.MouseY )
2005 #if TARGET_HOST_WINCE
2006 if(!(lParam & 0x40000000)) /* Prevent auto-repeat */
2008 if(wParam==(unsigned)gxKeyList.vkRight)
2009 keypress = GLUT_KEY_RIGHT;
2010 else if(wParam==(unsigned)gxKeyList.vkLeft)
2011 keypress = GLUT_KEY_LEFT;
2012 else if(wParam==(unsigned)gxKeyList.vkUp)
2013 keypress = GLUT_KEY_UP;
2014 else if(wParam==(unsigned)gxKeyList.vkDown)
2015 keypress = GLUT_KEY_DOWN;
2016 else if(wParam==(unsigned)gxKeyList.vkA)
2017 keypress = GLUT_KEY_F1;
2018 else if(wParam==(unsigned)gxKeyList.vkB)
2019 keypress = GLUT_KEY_F2;
2020 else if(wParam==(unsigned)gxKeyList.vkC)
2021 keypress = GLUT_KEY_F3;
2022 else if(wParam==(unsigned)gxKeyList.vkStart)
2023 keypress = GLUT_KEY_F4;
2027 if( keypress != -1 )
2028 INVOKE_WCB( *window, Special,
2030 window->State.MouseX, window->State.MouseY )
2033 fgState.Modifiers = 0xffffffff;
2044 * Remember the current modifiers state. This is done here in order
2045 * to make sure the VK_DELETE keyboard callback is executed properly.
2047 fgState.Modifiers = fghGetWin32Modifiers( );
2049 GetCursorPos( &mouse_pos );
2050 ScreenToClient( window->Window.Handle, &mouse_pos );
2052 window->State.MouseX = mouse_pos.x;
2053 window->State.MouseY = mouse_pos.y;
2056 * Convert the Win32 keystroke codes to GLUTtish way.
2057 * "KEY(a,b)" was defined under "WM_KEYDOWN"
2062 KEY( VK_F1, GLUT_KEY_F1 );
2063 KEY( VK_F2, GLUT_KEY_F2 );
2064 KEY( VK_F3, GLUT_KEY_F3 );
2065 KEY( VK_F4, GLUT_KEY_F4 );
2066 KEY( VK_F5, GLUT_KEY_F5 );
2067 KEY( VK_F6, GLUT_KEY_F6 );
2068 KEY( VK_F7, GLUT_KEY_F7 );
2069 KEY( VK_F8, GLUT_KEY_F8 );
2070 KEY( VK_F9, GLUT_KEY_F9 );
2071 KEY( VK_F10, GLUT_KEY_F10 );
2072 KEY( VK_F11, GLUT_KEY_F11 );
2073 KEY( VK_F12, GLUT_KEY_F12 );
2074 KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
2075 KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
2076 KEY( VK_HOME, GLUT_KEY_HOME );
2077 KEY( VK_END, GLUT_KEY_END );
2078 KEY( VK_LEFT, GLUT_KEY_LEFT );
2079 KEY( VK_UP, GLUT_KEY_UP );
2080 KEY( VK_RIGHT, GLUT_KEY_RIGHT );
2081 KEY( VK_DOWN, GLUT_KEY_DOWN );
2082 KEY( VK_INSERT, GLUT_KEY_INSERT );
2085 /* The delete key should be treated as an ASCII keypress: */
2086 INVOKE_WCB( *window, KeyboardUp,
2087 ( 127, window->State.MouseX, window->State.MouseY )
2093 #if !TARGET_HOST_WINCE
2097 GetKeyboardState( state );
2099 if( ToAscii( wParam, 0, state, code, 0 ) == 1 )
2102 INVOKE_WCB( *window, KeyboardUp,
2104 window->State.MouseX, window->State.MouseY )
2106 #endif /* !TARGET_HOST_WINCE */
2110 if( keypress != -1 )
2111 INVOKE_WCB( *window, SpecialUp,
2113 window->State.MouseX, window->State.MouseY )
2116 fgState.Modifiers = 0xffffffff;
2123 if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
2126 fgState.Modifiers = fghGetWin32Modifiers( );
2127 INVOKE_WCB( *window, Keyboard,
2129 window->State.MouseX, window->State.MouseY )
2131 fgState.Modifiers = 0xffffffff;
2135 case WM_CAPTURECHANGED:
2136 /* User has finished resizing the window, force a redraw */
2137 INVOKE_WCB( *window, Display, ( ) );
2139 /*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */
2142 /* Other messages that I have seen and which are not handled already */
2143 case WM_SETTEXT: /* 0x000c */
2144 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
2145 /* Pass it on to "DefWindowProc" to set the window text */
2148 case WM_GETTEXT: /* 0x000d */
2149 /* Ideally we would copy the title of the window into "lParam" */
2150 /* strncpy ( (char *)lParam, "Window Title", wParam );
2151 lRet = ( wParam > 12 ) ? 12 : wParam; */
2152 /* the number of characters copied */
2153 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
2156 case WM_GETTEXTLENGTH: /* 0x000e */
2157 /* Ideally we would get the length of the title of the window */
2159 /* the number of characters in "Window Title\0" (see above) */
2162 case WM_ERASEBKGND: /* 0x0014 */
2163 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
2166 #if !TARGET_HOST_WINCE
2167 case WM_SYNCPAINT: /* 0x0088 */
2168 /* Another window has moved, need to update this one */
2169 window->State.Redisplay = GL_TRUE;
2170 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
2171 /* Help screen says this message must be passed to "DefWindowProc" */
2174 case WM_NCPAINT: /* 0x0085 */
2175 /* Need to update the border of this window */
2176 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
2177 /* Pass it on to "DefWindowProc" to repaint a standard border */
2180 case WM_SYSCOMMAND : /* 0x0112 */
2183 * We have received a system command message. Try to act on it.
2184 * The commands are passed in through the "wParam" parameter:
2185 * The least significant digit seems to be which edge of the window
2186 * is being used for a resize event:
2190 * Congratulations and thanks to Richard Rauch for figuring this out..
2192 switch ( wParam & 0xfff0 )
2201 /* User has clicked on the "-" to minimize the window */
2202 /* Turn off the visibility */
2203 window->State.Visible = GL_FALSE ;
2210 case SC_NEXTWINDOW :
2213 case SC_PREVWINDOW :
2217 /* Followed very closely by a WM_CLOSE message */
2241 case SC_SCREENSAVE :
2249 fgWarning( "Unknown wParam type 0x%x", wParam );
2254 #endif /* !TARGET_HOST_WINCE */
2256 /* We need to pass the message on to the operating system as well */
2257 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
2261 /* Handle unhandled messages */
2262 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
2270 /*** END OF FILE ***/