/* * freeglut_main.c * * The windows message processing methods. * * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved. * Written by Pawel W. Olszta, * Creation date: Fri Dec 3 1999 * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "freeglut_internal.h" #ifdef HAVE_ERRNO_H # include #endif #include #ifdef HAVE_VFPRINTF # define VFPRINTF(s,f,a) vfprintf((s),(f),(a)) #elif defined(HAVE__DOPRNT) # define VFPRINTF(s,f,a) _doprnt((f),(a),(s)) #else # define VFPRINTF(s,f,a) #endif #ifdef _WIN32_WCE typedef struct GXDisplayProperties GXDisplayProperties; typedef struct GXKeyList GXKeyList; #include typedef struct GXKeyList (*GXGETDEFAULTKEYS)(int); typedef int (*GXOPENINPUT)(); GXGETDEFAULTKEYS GXGetDefaultKeys_ = NULL; GXOPENINPUT GXOpenInput_ = NULL; struct GXKeyList gxKeyList; #endif /* _WIN32_WCE */ /* * Try to get the maximum value allowed for ints, falling back to the minimum * guaranteed by ISO C99 if there is no suitable header. */ #ifdef HAVE_LIMITS_H # include #endif #ifndef INT_MAX # define INT_MAX 32767 #endif #ifndef MIN # define MIN(a,b) (((a)<(b)) ? (a) : (b)) #endif #if TARGET_HOST_POSIX_X11 /* used in the event handling code to match and discard stale mouse motion events */ static Bool match_motion(Display *dpy, XEvent *xev, XPointer arg) { return xev->type == MotionNotify; } #endif #ifdef WM_TOUCH typedef BOOL (WINAPI *pGetTouchInputInfo)(HTOUCHINPUT,UINT,PTOUCHINPUT,int); typedef BOOL (WINAPI *pCloseTouchInputHandle)(HTOUCHINPUT); static pGetTouchInputInfo fghGetTouchInputInfo = (pGetTouchInputInfo)0xDEADBEEF; static pCloseTouchInputHandle fghCloseTouchInputHandle = (pCloseTouchInputHandle)0xDEADBEEF; #endif #if TARGET_HOST_MS_WINDOWS extern void fgPlatformCheckMenuDeactivate(); #endif /* * TODO BEFORE THE STABLE RELEASE: * * There are some issues concerning window redrawing under X11, and maybe * some events are not handled. The Win32 version lacks some more features, * but seems acceptable for not demanding purposes. * * Need to investigate why the X11 version breaks out with an error when * closing a window (using the window manager, not glutDestroyWindow)... */ /* -- PRIVATE FUNCTIONS ---------------------------------------------------- */ /* * Handle a window configuration change. When no reshape * callback is hooked, the viewport size is updated to * match the new window size. */ static void fghReshapeWindow ( SFG_Window *window, int width, int height ) { SFG_Window *current_window = fgStructure.CurrentWindow; freeglut_return_if_fail( window != NULL ); #if TARGET_HOST_POSIX_X11 XResizeWindow( fgDisplay.Display, window->Window.Handle, width, height ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ #elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) { RECT windowRect; /* * For windowed mode, get the current position of the * window and resize taking the size of the frame * decorations into account. * * Note on maximizing behavior of Windows: the resize borders are off * the screen such that the client area extends all the way from the * leftmost corner to the rightmost corner to maximize screen real * estate. A caption is still shown however to allow interaction with * the window controls. This is default behavior of Windows that * FreeGLUT sticks with. To alter, one would have to check if * WS_MAXIMIZE style is set when a resize event is triggered, and * then manually correct the windowRect to put the borders back on * screen. */ /* "GetWindowRect" returns the pixel coordinates of the outside of the window */ GetWindowRect( window->Window.Handle, &windowRect ); /* Create rect in FreeGLUT format, (X,Y) topleft outside window, WxH of client area */ windowRect.right = windowRect.left+width; windowRect.bottom = windowRect.top+height; if (window->Parent == NULL) /* get the window rect from this to feed to SetWindowPos, correct for window decorations */ fghComputeWindowRectFromClientArea_QueryWindow(&windowRect,window,TRUE); else { /* correct rect for position client area of parent window * (SetWindowPos input for child windows is in coordinates * relative to the parent's client area). * Child windows don't have decoration, so no need to correct * for them. */ RECT parentRect; fghGetClientArea( &parentRect, window->Parent, FALSE ); OffsetRect(&windowRect,-parentRect.left,-parentRect.top); } /* Do the actual resizing */ SetWindowPos( window->Window.Handle, HWND_TOP, windowRect.left, windowRect.top, windowRect.right - windowRect.left, windowRect.bottom- windowRect.top, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING | SWP_NOZORDER ); } #endif if( FETCH_WCB( *window, Reshape ) ) INVOKE_WCB( *window, Reshape, ( width, height ) ); else { fgSetWindow( window ); glViewport( 0, 0, width, height ); } /* * Force a window redraw. In Windows at least this is only a partial * solution: if the window is increasing in size in either dimension, * the already-drawn part does not get drawn again and things look funny. * But without this we get this bad behaviour whenever we resize the * window. * DN: Hmm.. the above sounds like a concern only in single buffered mode... */ window->State.Redisplay = GL_TRUE; if( window->IsMenu ) fgSetWindow( current_window ); } /* * Calls a window's redraw method. This is used when * a redraw is forced by the incoming window messages. */ static void fghRedrawWindow ( SFG_Window *window ) { SFG_Window *current_window = fgStructure.CurrentWindow; freeglut_return_if_fail( window ); freeglut_return_if_fail( FETCH_WCB ( *window, Display ) ); window->State.Redisplay = GL_FALSE; freeglut_return_if_fail( window->State.Visible ); fgSetWindow( window ); if( window->State.NeedToResize ) { /* Set need to resize to false before calling fghReshapeWindow, otherwise in the case the user's reshape callback calls glutReshapeWindow, his request would get canceled after fghReshapeWindow gets called. */ window->State.NeedToResize = GL_FALSE; fghReshapeWindow( window, window->State.Width, window->State.Height ); } INVOKE_WCB( *window, Display, ( ) ); fgSetWindow( current_window ); } /* * A static helper function to execute display callback for a window */ static void fghcbDisplayWindow( SFG_Window *window, SFG_Enumerator *enumerator ) { if( window->State.Redisplay && window->State.Visible ) { window->State.Redisplay = GL_FALSE; #if TARGET_HOST_POSIX_X11 fghRedrawWindow ( window ) ; #elif TARGET_HOST_MS_WINDOWS RedrawWindow( window->Window.Handle, NULL, NULL, RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE | RDW_UPDATENOW ); #endif } fgEnumSubWindows( window, fghcbDisplayWindow, enumerator ); } /* * Make all windows perform a display call */ static void fghDisplayAll( void ) { SFG_Enumerator enumerator; enumerator.found = GL_FALSE; enumerator.data = NULL; fgEnumWindows( fghcbDisplayWindow, &enumerator ); } /* * Window enumerator callback to check for the joystick polling code */ static void fghcbCheckJoystickPolls( SFG_Window *window, SFG_Enumerator *enumerator ) { long int checkTime = fgElapsedTime( ); if( window->State.JoystickLastPoll + window->State.JoystickPollRate <= checkTime ) { #if !defined(_WIN32_WCE) fgJoystickPollWindow( window ); #endif /* !defined(_WIN32_WCE) */ window->State.JoystickLastPoll = checkTime; } fgEnumSubWindows( window, fghcbCheckJoystickPolls, enumerator ); } /* * Check all windows for joystick polling */ static void fghCheckJoystickPolls( void ) { SFG_Enumerator enumerator; enumerator.found = GL_FALSE; enumerator.data = NULL; fgEnumWindows( fghcbCheckJoystickPolls, &enumerator ); } /* * Check the global timers */ static void fghCheckTimers( void ) { long checkTime = fgElapsedTime( ); while( fgState.Timers.First ) { SFG_Timer *timer = fgState.Timers.First; if( timer->TriggerTime > checkTime ) break; fgListRemove( &fgState.Timers, &timer->Node ); fgListAppend( &fgState.FreeTimers, &timer->Node ); timer->Callback( timer->ID ); } } /* Platform-dependent time in milliseconds, as an unsigned 32-bit integer. * This value wraps every 49.7 days, but integer overflows cancel * when subtracting an initial start time, unless the total time exceeds * 32-bit, where the GLUT API return value is also overflowed. */ unsigned long fgSystemTime(void) { #if TARGET_HOST_MS_WINDOWS # if defined(_WIN32_WCE) return GetTickCount(); # else return timeGetTime(); # endif #else # ifdef CLOCK_MONOTONIC struct timespec now; clock_gettime(CLOCK_MONOTONIC, &now); return now.tv_nsec/1000000 + now.tv_sec*1000; # elif HAVE_GETTIMEOFDAY struct timeval now; gettimeofday( &now, NULL ); return now.tv_usec/1000 + now.tv_sec*1000; # endif #endif } /* * Elapsed Time */ long fgElapsedTime( void ) { return (long) (fgSystemTime() - fgState.Time); } /* * Error Messages. */ void fgError( const char *fmt, ... ) { va_list ap; if (fgState.ErrorFunc) { va_start( ap, fmt ); /* call user set error handler here */ fgState.ErrorFunc(fmt, ap); va_end( ap ); } else { va_start( ap, fmt ); fprintf( stderr, "freeglut "); if( fgState.ProgramName ) fprintf( stderr, "(%s): ", fgState.ProgramName ); VFPRINTF( stderr, fmt, ap ); fprintf( stderr, "\n" ); va_end( ap ); if ( fgState.Initialised ) fgDeinitialize (); exit( 1 ); } } void fgWarning( const char *fmt, ... ) { va_list ap; if (fgState.WarningFunc) { va_start( ap, fmt ); /* call user set warning handler here */ fgState.WarningFunc(fmt, ap); va_end( ap ); } else { va_start( ap, fmt ); fprintf( stderr, "freeglut "); if( fgState.ProgramName ) fprintf( stderr, "(%s): ", fgState.ProgramName ); VFPRINTF( stderr, fmt, ap ); fprintf( stderr, "\n" ); va_end( ap ); } } /* * Indicates whether Joystick events are being used by ANY window. * * The current mechanism is to walk all of the windows and ask if * there is a joystick callback. We have a short-circuit early * return if we find any joystick handler registered. * * The real way to do this is to make use of the glutTimer() API * to more cleanly re-implement the joystick API. Then, this code * and all other "joystick timer" code can be yanked. * */ static void fghCheckJoystickCallback( SFG_Window* w, SFG_Enumerator* e) { if( FETCH_WCB( *w, Joystick ) ) { e->found = GL_TRUE; e->data = w; } fgEnumSubWindows( w, fghCheckJoystickCallback, e ); } static int fghHaveJoystick( void ) { SFG_Enumerator enumerator; enumerator.found = GL_FALSE; enumerator.data = NULL; fgEnumWindows( fghCheckJoystickCallback, &enumerator ); return !!enumerator.data; } static void fghHavePendingRedisplaysCallback( SFG_Window* w, SFG_Enumerator* e) { if( w->State.Redisplay && w->State.Visible ) { e->found = GL_TRUE; e->data = w; } fgEnumSubWindows( w, fghHavePendingRedisplaysCallback, e ); } static int fghHavePendingRedisplays (void) { SFG_Enumerator enumerator; enumerator.found = GL_FALSE; enumerator.data = NULL; fgEnumWindows( fghHavePendingRedisplaysCallback, &enumerator ); return !!enumerator.data; } /* * Returns the number of GLUT ticks (milliseconds) till the next timer event. */ static long fghNextTimer( void ) { long ret = INT_MAX; SFG_Timer *timer = fgState.Timers.First; if( timer ) ret = timer->TriggerTime - fgElapsedTime(); if( ret < 0 ) ret = 0; return ret; } /* * Does the magic required to relinquish the CPU until something interesting * happens. */ static void fghSleepForEvents( void ) { long msec; if( fgState.IdleCallback || fghHavePendingRedisplays( ) ) return; msec = fghNextTimer( ); /* XXX Use GLUT timers for joysticks... */ /* XXX Dumb; forces granularity to .01sec */ if( fghHaveJoystick( ) && ( msec > 10 ) ) msec = 10; #if TARGET_HOST_POSIX_X11 /* * Possibly due to aggressive use of XFlush() and friends, * it is possible to have our socket drained but still have * unprocessed events. (Or, this may just be normal with * X, anyway?) We do non-trivial processing of X events * after the event-reading loop, in any case, so we * need to allow that we may have an empty socket but non- * empty event queue. */ if( ! XPending( fgDisplay.Display ) ) { fd_set fdset; int err; int socket; struct timeval wait; socket = ConnectionNumber( fgDisplay.Display ); FD_ZERO( &fdset ); FD_SET( socket, &fdset ); wait.tv_sec = msec / 1000; wait.tv_usec = (msec % 1000) * 1000; err = select( socket+1, &fdset, NULL, NULL, &wait ); #ifdef HAVE_ERRNO_H if( ( -1 == err ) && ( errno != EINTR ) ) fgWarning ( "freeglut select() error: %d", errno ); #endif } #elif TARGET_HOST_MS_WINDOWS MsgWaitForMultipleObjects( 0, NULL, FALSE, msec, QS_ALLINPUT ); #endif } #if TARGET_HOST_POSIX_X11 /* * Returns GLUT modifier mask for the state field of an X11 event. */ int fghGetXModifiers( int state ) { int ret = 0; if( state & ( ShiftMask | LockMask ) ) ret |= GLUT_ACTIVE_SHIFT; if( state & ControlMask ) ret |= GLUT_ACTIVE_CTRL; if( state & Mod1Mask ) ret |= GLUT_ACTIVE_ALT; return ret; } #endif #if TARGET_HOST_POSIX_X11 && _DEBUG static const char* fghTypeToString( int type ) { switch( type ) { case KeyPress: return "KeyPress"; case KeyRelease: return "KeyRelease"; case ButtonPress: return "ButtonPress"; case ButtonRelease: return "ButtonRelease"; case MotionNotify: return "MotionNotify"; case EnterNotify: return "EnterNotify"; case LeaveNotify: return "LeaveNotify"; case FocusIn: return "FocusIn"; case FocusOut: return "FocusOut"; case KeymapNotify: return "KeymapNotify"; case Expose: return "Expose"; case GraphicsExpose: return "GraphicsExpose"; case NoExpose: return "NoExpose"; case VisibilityNotify: return "VisibilityNotify"; case CreateNotify: return "CreateNotify"; case DestroyNotify: return "DestroyNotify"; case UnmapNotify: return "UnmapNotify"; case MapNotify: return "MapNotify"; case MapRequest: return "MapRequest"; case ReparentNotify: return "ReparentNotify"; case ConfigureNotify: return "ConfigureNotify"; case ConfigureRequest: return "ConfigureRequest"; case GravityNotify: return "GravityNotify"; case ResizeRequest: return "ResizeRequest"; case CirculateNotify: return "CirculateNotify"; case CirculateRequest: return "CirculateRequest"; case PropertyNotify: return "PropertyNotify"; case SelectionClear: return "SelectionClear"; case SelectionRequest: return "SelectionRequest"; case SelectionNotify: return "SelectionNotify"; case ColormapNotify: return "ColormapNotify"; case ClientMessage: return "ClientMessage"; case MappingNotify: return "MappingNotify"; default: return "UNKNOWN"; } } static const char* fghBoolToString( Bool b ) { return b == False ? "False" : "True"; } static const char* fghNotifyHintToString( char is_hint ) { switch( is_hint ) { case NotifyNormal: return "NotifyNormal"; case NotifyHint: return "NotifyHint"; default: return "UNKNOWN"; } } static const char* fghNotifyModeToString( int mode ) { switch( mode ) { case NotifyNormal: return "NotifyNormal"; case NotifyGrab: return "NotifyGrab"; case NotifyUngrab: return "NotifyUngrab"; case NotifyWhileGrabbed: return "NotifyWhileGrabbed"; default: return "UNKNOWN"; } } static const char* fghNotifyDetailToString( int detail ) { switch( detail ) { case NotifyAncestor: return "NotifyAncestor"; case NotifyVirtual: return "NotifyVirtual"; case NotifyInferior: return "NotifyInferior"; case NotifyNonlinear: return "NotifyNonlinear"; case NotifyNonlinearVirtual: return "NotifyNonlinearVirtual"; case NotifyPointer: return "NotifyPointer"; case NotifyPointerRoot: return "NotifyPointerRoot"; case NotifyDetailNone: return "NotifyDetailNone"; default: return "UNKNOWN"; } } static const char* fghVisibilityToString( int state ) { switch( state ) { case VisibilityUnobscured: return "VisibilityUnobscured"; case VisibilityPartiallyObscured: return "VisibilityPartiallyObscured"; case VisibilityFullyObscured: return "VisibilityFullyObscured"; default: return "UNKNOWN"; } } static const char* fghConfigureDetailToString( int detail ) { switch( detail ) { case Above: return "Above"; case Below: return "Below"; case TopIf: return "TopIf"; case BottomIf: return "BottomIf"; case Opposite: return "Opposite"; default: return "UNKNOWN"; } } static const char* fghPlaceToString( int place ) { switch( place ) { case PlaceOnTop: return "PlaceOnTop"; case PlaceOnBottom: return "PlaceOnBottom"; default: return "UNKNOWN"; } } static const char* fghMappingRequestToString( int request ) { switch( request ) { case MappingModifier: return "MappingModifier"; case MappingKeyboard: return "MappingKeyboard"; case MappingPointer: return "MappingPointer"; default: return "UNKNOWN"; } } static const char* fghPropertyStateToString( int state ) { switch( state ) { case PropertyNewValue: return "PropertyNewValue"; case PropertyDelete: return "PropertyDelete"; default: return "UNKNOWN"; } } static const char* fghColormapStateToString( int state ) { switch( state ) { case ColormapUninstalled: return "ColormapUninstalled"; case ColormapInstalled: return "ColormapInstalled"; default: return "UNKNOWN"; } } static void fghPrintEvent( XEvent *event ) { switch( event->type ) { case KeyPress: case KeyRelease: { XKeyEvent *e = &event->xkey; fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, " "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, " "keycode=%u, same_screen=%s", fghTypeToString( e->type ), e->window, e->root, e->subwindow, (unsigned long)e->time, e->x, e->y, e->x_root, e->y_root, e->state, e->keycode, fghBoolToString( e->same_screen ) ); break; } case ButtonPress: case ButtonRelease: { XButtonEvent *e = &event->xbutton; fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, " "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, " "button=%u, same_screen=%d", fghTypeToString( e->type ), e->window, e->root, e->subwindow, (unsigned long)e->time, e->x, e->y, e->x_root, e->y_root, e->state, e->button, fghBoolToString( e->same_screen ) ); break; } case MotionNotify: { XMotionEvent *e = &event->xmotion; fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, " "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, " "is_hint=%s, same_screen=%d", fghTypeToString( e->type ), e->window, e->root, e->subwindow, (unsigned long)e->time, e->x, e->y, e->x_root, e->y_root, e->state, fghNotifyHintToString( e->is_hint ), fghBoolToString( e->same_screen ) ); break; } case EnterNotify: case LeaveNotify: { XCrossingEvent *e = &event->xcrossing; fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, " "(x,y)=(%d,%d), mode=%s, detail=%s, same_screen=%d, " "focus=%d, state=0x%x", fghTypeToString( e->type ), e->window, e->root, e->subwindow, (unsigned long)e->time, e->x, e->y, fghNotifyModeToString( e->mode ), fghNotifyDetailToString( e->detail ), (int)e->same_screen, (int)e->focus, e->state ); break; } case FocusIn: case FocusOut: { XFocusChangeEvent *e = &event->xfocus; fgWarning( "%s: window=0x%x, mode=%s, detail=%s", fghTypeToString( e->type ), e->window, fghNotifyModeToString( e->mode ), fghNotifyDetailToString( e->detail ) ); break; } case KeymapNotify: { XKeymapEvent *e = &event->xkeymap; char buf[32 * 2 + 1]; int i; for ( i = 0; i < 32; i++ ) { snprintf( &buf[ i * 2 ], sizeof( buf ) - i * 2, "%02x", e->key_vector[ i ] ); } buf[ i ] = '\0'; fgWarning( "%s: window=0x%x, %s", fghTypeToString( e->type ), e->window, buf ); break; } case Expose: { XExposeEvent *e = &event->xexpose; fgWarning( "%s: window=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), " "count=%d", fghTypeToString( e->type ), e->window, e->x, e->y, e->width, e->height, e->count ); break; } case GraphicsExpose: { XGraphicsExposeEvent *e = &event->xgraphicsexpose; fgWarning( "%s: drawable=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), " "count=%d, (major_code,minor_code)=(%d,%d)", fghTypeToString( e->type ), e->drawable, e->x, e->y, e->width, e->height, e->count, e->major_code, e->minor_code ); break; } case NoExpose: { XNoExposeEvent *e = &event->xnoexpose; fgWarning( "%s: drawable=0x%x, (major_code,minor_code)=(%d,%d)", fghTypeToString( e->type ), e->drawable, e->major_code, e->minor_code ); break; } case VisibilityNotify: { XVisibilityEvent *e = &event->xvisibility; fgWarning( "%s: window=0x%x, state=%s", fghTypeToString( e->type ), e->window, fghVisibilityToString( e->state) ); break; } case CreateNotify: { XCreateWindowEvent *e = &event->xcreatewindow; fgWarning( "%s: (x,y)=(%d,%d), (width,height)=(%d,%d), border_width=%d, " "window=0x%x, override_redirect=%s", fghTypeToString( e->type ), e->x, e->y, e->width, e->height, e->border_width, e->window, fghBoolToString( e->override_redirect ) ); break; } case DestroyNotify: { XDestroyWindowEvent *e = &event->xdestroywindow; fgWarning( "%s: event=0x%x, window=0x%x", fghTypeToString( e->type ), e->event, e->window ); break; } case UnmapNotify: { XUnmapEvent *e = &event->xunmap; fgWarning( "%s: event=0x%x, window=0x%x, from_configure=%s", fghTypeToString( e->type ), e->event, e->window, fghBoolToString( e->from_configure ) ); break; } case MapNotify: { XMapEvent *e = &event->xmap; fgWarning( "%s: event=0x%x, window=0x%x, override_redirect=%s", fghTypeToString( e->type ), e->event, e->window, fghBoolToString( e->override_redirect ) ); break; } case MapRequest: { XMapRequestEvent *e = &event->xmaprequest; fgWarning( "%s: parent=0x%x, window=0x%x", fghTypeToString( event->type ), e->parent, e->window ); break; } case ReparentNotify: { XReparentEvent *e = &event->xreparent; fgWarning( "%s: event=0x%x, window=0x%x, parent=0x%x, (x,y)=(%d,%d), " "override_redirect=%s", fghTypeToString( e->type ), e->event, e->window, e->parent, e->x, e->y, fghBoolToString( e->override_redirect ) ); break; } case ConfigureNotify: { XConfigureEvent *e = &event->xconfigure; fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d), " "(width,height)=(%d,%d), border_width=%d, above=0x%x, " "override_redirect=%s", fghTypeToString( e->type ), e->event, e->window, e->x, e->y, e->width, e->height, e->border_width, e->above, fghBoolToString( e->override_redirect ) ); break; } case ConfigureRequest: { XConfigureRequestEvent *e = &event->xconfigurerequest; fgWarning( "%s: parent=0x%x, window=0x%x, (x,y)=(%d,%d), " "(width,height)=(%d,%d), border_width=%d, above=0x%x, " "detail=%s, value_mask=%lx", fghTypeToString( e->type ), e->parent, e->window, e->x, e->y, e->width, e->height, e->border_width, e->above, fghConfigureDetailToString( e->detail ), e->value_mask ); break; } case GravityNotify: { XGravityEvent *e = &event->xgravity; fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d)", fghTypeToString( e->type ), e->event, e->window, e->x, e->y ); break; } case ResizeRequest: { XResizeRequestEvent *e = &event->xresizerequest; fgWarning( "%s: window=0x%x, (width,height)=(%d,%d)", fghTypeToString( e->type ), e->window, e->width, e->height ); break; } case CirculateNotify: { XCirculateEvent *e = &event->xcirculate; fgWarning( "%s: event=0x%x, window=0x%x, place=%s", fghTypeToString( e->type ), e->event, e->window, fghPlaceToString( e->place ) ); break; } case CirculateRequest: { XCirculateRequestEvent *e = &event->xcirculaterequest; fgWarning( "%s: parent=0x%x, window=0x%x, place=%s", fghTypeToString( e->type ), e->parent, e->window, fghPlaceToString( e->place ) ); break; } case PropertyNotify: { XPropertyEvent *e = &event->xproperty; fgWarning( "%s: window=0x%x, atom=%lu, time=%lu, state=%s", fghTypeToString( e->type ), e->window, (unsigned long)e->atom, (unsigned long)e->time, fghPropertyStateToString( e->state ) ); break; } case SelectionClear: { XSelectionClearEvent *e = &event->xselectionclear; fgWarning( "%s: window=0x%x, selection=%lu, time=%lu", fghTypeToString( e->type ), e->window, (unsigned long)e->selection, (unsigned long)e->time ); break; } case SelectionRequest: { XSelectionRequestEvent *e = &event->xselectionrequest; fgWarning( "%s: owner=0x%x, requestor=0x%x, selection=0x%x, " "target=0x%x, property=%lu, time=%lu", fghTypeToString( e->type ), e->owner, e->requestor, (unsigned long)e->selection, (unsigned long)e->target, (unsigned long)e->property, (unsigned long)e->time ); break; } case SelectionNotify: { XSelectionEvent *e = &event->xselection; fgWarning( "%s: requestor=0x%x, selection=0x%x, target=0x%x, " "property=%lu, time=%lu", fghTypeToString( e->type ), e->requestor, (unsigned long)e->selection, (unsigned long)e->target, (unsigned long)e->property, (unsigned long)e->time ); break; } case ColormapNotify: { XColormapEvent *e = &event->xcolormap; fgWarning( "%s: window=0x%x, colormap=%lu, new=%s, state=%s", fghTypeToString( e->type ), e->window, (unsigned long)e->colormap, fghBoolToString( e->new ), fghColormapStateToString( e->state ) ); break; } case ClientMessage: { XClientMessageEvent *e = &event->xclient; char buf[ 61 ]; char* p = buf; char* end = buf + sizeof( buf ); int i; switch( e->format ) { case 8: for ( i = 0; i < 20; i++, p += 3 ) { snprintf( p, end - p, " %02x", e->data.b[ i ] ); } break; case 16: for ( i = 0; i < 10; i++, p += 5 ) { snprintf( p, end - p, " %04x", e->data.s[ i ] ); } break; case 32: for ( i = 0; i < 5; i++, p += 9 ) { snprintf( p, end - p, " %08lx", e->data.l[ i ] ); } break; } *p = '\0'; fgWarning( "%s: window=0x%x, message_type=%lu, format=%d, data=(%s )", fghTypeToString( e->type ), e->window, (unsigned long)e->message_type, e->format, buf ); break; } case MappingNotify: { XMappingEvent *e = &event->xmapping; fgWarning( "%s: window=0x%x, request=%s, first_keycode=%d, count=%d", fghTypeToString( e->type ), e->window, fghMappingRequestToString( e->request ), e->first_keycode, e->count ); break; } default: { fgWarning( "%s", fghTypeToString( event->type ) ); break; } } } #endif /* -- INTERFACE FUNCTIONS -------------------------------------------------- */ /* * Executes a single iteration in the freeglut processing loop. */ void FGAPIENTRY glutMainLoopEvent( void ) { #if TARGET_HOST_POSIX_X11 SFG_Window* window; XEvent event; /* This code was repeated constantly, so here it goes into a definition: */ #define GETWINDOW(a) \ window = fgWindowByHandle( event.a.window ); \ if( window == NULL ) \ break; #define GETMOUSE(a) \ window->State.MouseX = event.a.x; \ window->State.MouseY = event.a.y; FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" ); while( XPending( fgDisplay.Display ) ) { XNextEvent( fgDisplay.Display, &event ); #if _DEBUG fghPrintEvent( &event ); #endif switch( event.type ) { case ClientMessage: if (fgStructure.CurrentWindow) if(fgIsSpaceballXEvent(&event)) { fgSpaceballHandleXEvent(&event); break; } /* Destroy the window when the WM_DELETE_WINDOW message arrives */ if( (Atom) event.xclient.data.l[ 0 ] == fgDisplay.DeleteWindow ) { GETWINDOW( xclient ); fgDestroyWindow ( window ); if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT ) { fgDeinitialize( ); exit( 0 ); } else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS ) fgState.ExecState = GLUT_EXEC_STATE_STOP; return; } break; /* * CreateNotify causes a configure-event so that sub-windows are * handled compatibly with GLUT. Otherwise, your sub-windows * (in freeglut only) will not get an initial reshape event, * which can break things. * * GLUT presumably does this because it generally tries to treat * sub-windows the same as windows. */ case CreateNotify: case ConfigureNotify: { int width, height; if( event.type == CreateNotify ) { GETWINDOW( xcreatewindow ); width = event.xcreatewindow.width; height = event.xcreatewindow.height; } else { GETWINDOW( xconfigure ); width = event.xconfigure.width; height = event.xconfigure.height; } if( ( width != window->State.OldWidth ) || ( height != window->State.OldHeight ) ) { SFG_Window *current_window = fgStructure.CurrentWindow; window->State.OldWidth = width; window->State.OldHeight = height; if( FETCH_WCB( *window, Reshape ) ) INVOKE_WCB( *window, Reshape, ( width, height ) ); else { fgSetWindow( window ); glViewport( 0, 0, width, height ); } glutPostRedisplay( ); if( window->IsMenu ) fgSetWindow( current_window ); } } break; case DestroyNotify: /* * This is sent to confirm the XDestroyWindow call. * * XXX WHY is this commented out? Should we re-enable it? */ /* fgAddToWindowDestroyList ( window ); */ break; case Expose: /* * We are too dumb to process partial exposes... * * XXX Well, we could do it. However, it seems to only * XXX be potentially useful for single-buffered (since * XXX double-buffered does not respect viewport when we * XXX do a buffer-swap). * */ if( event.xexpose.count == 0 ) { GETWINDOW( xexpose ); window->State.Redisplay = GL_TRUE; } break; case MapNotify: break; case UnmapNotify: /* We get this when iconifying a window. */ GETWINDOW( xunmap ); INVOKE_WCB( *window, WindowStatus, ( GLUT_HIDDEN ) ); window->State.Visible = GL_FALSE; break; case MappingNotify: /* * Have the client's keyboard knowledge updated (xlib.ps, * page 206, says that's a good thing to do) */ XRefreshKeyboardMapping( (XMappingEvent *) &event ); break; case VisibilityNotify: { /* * Sending this event, the X server can notify us that the window * has just acquired one of the three possible visibility states: * VisibilityUnobscured, VisibilityPartiallyObscured or * VisibilityFullyObscured. Note that we DO NOT receive a * VisibilityNotify event when iconifying a window, we only get an * UnmapNotify then. */ GETWINDOW( xvisibility ); switch( event.xvisibility.state ) { case VisibilityUnobscured: INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) ); window->State.Visible = GL_TRUE; break; case VisibilityPartiallyObscured: INVOKE_WCB( *window, WindowStatus, ( GLUT_PARTIALLY_RETAINED ) ); window->State.Visible = GL_TRUE; break; case VisibilityFullyObscured: INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_COVERED ) ); window->State.Visible = GL_FALSE; break; default: fgWarning( "Unknown X visibility state: %d", event.xvisibility.state ); break; } } break; case EnterNotify: case LeaveNotify: GETWINDOW( xcrossing ); GETMOUSE( xcrossing ); if( ( event.type == LeaveNotify ) && window->IsMenu && window->ActiveMenu && window->ActiveMenu->IsActive ) fgUpdateMenuHighlight( window->ActiveMenu ); INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ? GLUT_ENTERED : GLUT_LEFT ) ); break; case MotionNotify: { /* if GLUT_SKIP_STALE_MOTION_EVENTS is true, then discard all but * the last motion event from the queue */ if(fgState.SkipStaleMotion) { while(XCheckIfEvent(fgDisplay.Display, &event, match_motion, 0)); } GETWINDOW( xmotion ); GETMOUSE( xmotion ); if( window->ActiveMenu ) { if( window == window->ActiveMenu->ParentWindow ) { window->ActiveMenu->Window->State.MouseX = event.xmotion.x_root - window->ActiveMenu->X; window->ActiveMenu->Window->State.MouseY = event.xmotion.y_root - window->ActiveMenu->Y; } fgUpdateMenuHighlight( window->ActiveMenu ); break; } /* * XXX For more than 5 buttons, just check {event.xmotion.state}, * XXX rather than a host of bit-masks? Or maybe we need to * XXX track ButtonPress/ButtonRelease events in our own * XXX bit-mask? */ fgState.Modifiers = fghGetXModifiers( event.xmotion.state ); if ( event.xmotion.state & ( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) ) { INVOKE_WCB( *window, Motion, ( event.xmotion.x, event.xmotion.y ) ); } else { INVOKE_WCB( *window, Passive, ( event.xmotion.x, event.xmotion.y ) ); } fgState.Modifiers = INVALID_MODIFIERS; } break; case ButtonRelease: case ButtonPress: { GLboolean pressed = GL_TRUE; int button; if( event.type == ButtonRelease ) pressed = GL_FALSE ; /* * A mouse button has been pressed or released. Traditionally, * break if the window was found within the freeglut structures. */ GETWINDOW( xbutton ); GETMOUSE( xbutton ); /* * An X button (at least in XFree86) is numbered from 1. * A GLUT button is numbered from 0. * Old GLUT passed through buttons other than just the first * three, though it only gave symbolic names and official * support to the first three. */ button = event.xbutton.button - 1; /* * Do not execute the application's mouse callback if a menu * is hooked to this button. In that case an appropriate * private call should be generated. */ if( fgCheckActiveMenu( window, button, pressed, event.xbutton.x_root, event.xbutton.y_root ) ) break; /* * Check if there is a mouse or mouse wheel callback hooked to the * window */ if( ! FETCH_WCB( *window, Mouse ) && ! FETCH_WCB( *window, MouseWheel ) ) break; fgState.Modifiers = fghGetXModifiers( event.xbutton.state ); /* Finally execute the mouse or mouse wheel callback */ if( ( button < glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS ) ) || ( ! FETCH_WCB( *window, MouseWheel ) ) ) INVOKE_WCB( *window, Mouse, ( button, pressed ? GLUT_DOWN : GLUT_UP, event.xbutton.x, event.xbutton.y ) ); else { /* * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1 * " 6 and 7 " " one; ... * * XXX This *should* be behind some variables/macros, * XXX since the order and numbering isn't certain * XXX See XFree86 configuration docs (even back in the * XXX 3.x days, and especially with 4.x). * * XXX Note that {button} has already been decremented * XXX in mapping from X button numbering to GLUT. * * XXX Should add support for partial wheel turns as Windows does -- 5/27/11 */ int wheel_number = (button - glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS )) / 2; int direction = -1; if( button % 2 ) direction = 1; if( pressed ) INVOKE_WCB( *window, MouseWheel, ( wheel_number, direction, event.xbutton.x, event.xbutton.y ) ); } fgState.Modifiers = INVALID_MODIFIERS; } break; case KeyRelease: case KeyPress: { FGCBKeyboard keyboard_cb; FGCBSpecial special_cb; GETWINDOW( xkey ); GETMOUSE( xkey ); /* Detect auto repeated keys, if configured globally or per-window */ if ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) { if (event.type==KeyRelease) { /* * Look at X11 keystate to detect repeat mode. * While X11 says the key is actually held down, we'll ignore KeyRelease/KeyPress pairs. */ char keys[32]; XQueryKeymap( fgDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */ if ( event.xkey.keycode<256 ) /* XQueryKeymap is limited to 256 keycodes */ { if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) ) window->State.KeyRepeating = GL_TRUE; else window->State.KeyRepeating = GL_FALSE; } } } else window->State.KeyRepeating = GL_FALSE; /* Cease processing this event if it is auto repeated */ if (window->State.KeyRepeating) { if (event.type == KeyPress) window->State.KeyRepeating = GL_FALSE; break; } if( event.type == KeyPress ) { keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard )); special_cb = (FGCBSpecial) ( FETCH_WCB( *window, Special )); } else { keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp )); special_cb = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp )); } /* Is there a keyboard/special callback hooked for this window? */ if( keyboard_cb || special_cb ) { XComposeStatus composeStatus; char asciiCode[ 32 ]; KeySym keySym; int len; /* Check for the ASCII/KeySym codes associated with the event: */ len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode), &keySym, &composeStatus ); /* GLUT API tells us to have two separate callbacks... */ if( len > 0 ) { /* ...one for the ASCII translateable keypresses... */ if( keyboard_cb ) { fgSetWindow( window ); fgState.Modifiers = fghGetXModifiers( event.xkey.state ); keyboard_cb( asciiCode[ 0 ], event.xkey.x, event.xkey.y ); fgState.Modifiers = INVALID_MODIFIERS; } } else { int special = -1; /* * ...and one for all the others, which need to be * translated to GLUT_KEY_Xs... */ switch( keySym ) { case XK_F1: special = GLUT_KEY_F1; break; case XK_F2: special = GLUT_KEY_F2; break; case XK_F3: special = GLUT_KEY_F3; break; case XK_F4: special = GLUT_KEY_F4; break; case XK_F5: special = GLUT_KEY_F5; break; case XK_F6: special = GLUT_KEY_F6; break; case XK_F7: special = GLUT_KEY_F7; break; case XK_F8: special = GLUT_KEY_F8; break; case XK_F9: special = GLUT_KEY_F9; break; case XK_F10: special = GLUT_KEY_F10; break; case XK_F11: special = GLUT_KEY_F11; break; case XK_F12: special = GLUT_KEY_F12; break; case XK_KP_Left: case XK_Left: special = GLUT_KEY_LEFT; break; case XK_KP_Right: case XK_Right: special = GLUT_KEY_RIGHT; break; case XK_KP_Up: case XK_Up: special = GLUT_KEY_UP; break; case XK_KP_Down: case XK_Down: special = GLUT_KEY_DOWN; break; case XK_KP_Prior: case XK_Prior: special = GLUT_KEY_PAGE_UP; break; case XK_KP_Next: case XK_Next: special = GLUT_KEY_PAGE_DOWN; break; case XK_KP_Home: case XK_Home: special = GLUT_KEY_HOME; break; case XK_KP_End: case XK_End: special = GLUT_KEY_END; break; case XK_KP_Insert: case XK_Insert: special = GLUT_KEY_INSERT; break; case XK_Num_Lock : special = GLUT_KEY_NUM_LOCK; break; case XK_KP_Begin : special = GLUT_KEY_BEGIN; break; case XK_KP_Delete: special = GLUT_KEY_DELETE; break; case XK_Shift_L: special = GLUT_KEY_SHIFT_L; break; case XK_Shift_R: special = GLUT_KEY_SHIFT_R; break; case XK_Control_L: special = GLUT_KEY_CTRL_L; break; case XK_Control_R: special = GLUT_KEY_CTRL_R; break; case XK_Alt_L: special = GLUT_KEY_ALT_L; break; case XK_Alt_R: special = GLUT_KEY_ALT_R; break; } /* * Execute the callback (if one has been specified), * given that the special code seems to be valid... */ if( special_cb && (special != -1) ) { fgSetWindow( window ); fgState.Modifiers = fghGetXModifiers( event.xkey.state ); special_cb( special, event.xkey.x, event.xkey.y ); fgState.Modifiers = INVALID_MODIFIERS; } } } } break; case ReparentNotify: break; /* XXX Should disable this event */ /* Not handled */ case GravityNotify: break; default: /* enter handling of Extension Events here */ #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H fgHandleExtensionEvents( &event ); #endif break; } } #elif TARGET_HOST_MS_WINDOWS MSG stMsg; FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" ); while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) ) { if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 ) { if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT ) { fgDeinitialize( ); exit( 0 ); } else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS ) fgState.ExecState = GLUT_EXEC_STATE_STOP; return; } TranslateMessage( &stMsg ); DispatchMessage( &stMsg ); } #endif if( fgState.Timers.First ) fghCheckTimers( ); fghCheckJoystickPolls( ); fghDisplayAll( ); fgCloseWindows( ); } /* * Enters the freeglut processing loop. * Stays until the "ExecState" changes to "GLUT_EXEC_STATE_STOP". */ void FGAPIENTRY glutMainLoop( void ) { int action; #if TARGET_HOST_MS_WINDOWS SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ; #endif FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoop" ); #if TARGET_HOST_MS_WINDOWS /* * Processing before the main loop: If there is a window which is open and * which has a visibility callback, call it. I know this is an ugly hack, * but I'm not sure what else to do about it. Ideally we should leave * something uninitialized in the create window code and initialize it in * the main loop, and have that initialization create a "WM_ACTIVATE" * message. Then we would put the visibility callback code in the * "case WM_ACTIVATE" block below. - John Fay -- 10/24/02 */ while( window ) { if ( FETCH_WCB( *window, Visibility ) ) { SFG_Window *current_window = fgStructure.CurrentWindow ; INVOKE_WCB( *window, Visibility, ( window->State.Visible ) ); fgSetWindow( current_window ); } window = (SFG_Window *)window->Node.Next ; } #endif fgState.ExecState = GLUT_EXEC_STATE_RUNNING ; while( fgState.ExecState == GLUT_EXEC_STATE_RUNNING ) { SFG_Window *window; glutMainLoopEvent( ); /* * Step through the list of windows, seeing if there are any * that are not menus */ for( window = ( SFG_Window * )fgStructure.Windows.First; window; window = ( SFG_Window * )window->Node.Next ) if ( ! ( window->IsMenu ) ) break; if( ! window ) fgState.ExecState = GLUT_EXEC_STATE_STOP; else { if( fgState.IdleCallback ) { if( fgStructure.CurrentWindow && fgStructure.CurrentWindow->IsMenu ) /* fail safe */ fgSetWindow( window ); fgState.IdleCallback( ); } fghSleepForEvents( ); } } /* * When this loop terminates, destroy the display, state and structure * of a freeglut session, so that another glutInit() call can happen * * Save the "ActionOnWindowClose" because "fgDeinitialize" resets it. */ action = fgState.ActionOnWindowClose; fgDeinitialize( ); if( action == GLUT_ACTION_EXIT ) exit( 0 ); } /* * Leaves the freeglut processing loop. */ void FGAPIENTRY glutLeaveMainLoop( void ) { FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLeaveMainLoop" ); fgState.ExecState = GLUT_EXEC_STATE_STOP ; } #if TARGET_HOST_MS_WINDOWS /* * Determine a GLUT modifer mask based on MS-WINDOWS system info. */ static int fghGetWin32Modifiers (void) { return ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) || ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) | ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) || ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) | ( ( ( GetKeyState( VK_LMENU ) < 0 ) || ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 ); } /* * The window procedure for handling Win32 events */ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) { static unsigned char lControl = 0, rControl = 0, lShift = 0, rShift = 0, lAlt = 0, rAlt = 0; SFG_Window* window, *child_window = NULL; PAINTSTRUCT ps; LRESULT lRet = 1; FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ; window = fgWindowByHandle( hWnd ); if ( ( window == NULL ) && ( uMsg != WM_CREATE ) ) return DefWindowProc( hWnd, uMsg, wParam, lParam ); /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0, uMsg, wParam, lParam ); */ /* Some events only sent to main window. Check if the current window that * the mouse is over is a child window. Below when handling some messages, * we make sure that we process callbacks on the child window instead. * This mirrors how GLUT does things. */ if (window && window->Children.First) { POINT mouse_pos; SFG_WindowHandleType hwnd; SFG_Window* temp_window; GetCursorPos( &mouse_pos ); ScreenToClient( window->Window.Handle, &mouse_pos ); hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos); if (hwnd) /* can be NULL if mouse outside parent by the time we get here */ { temp_window = fgWindowByHandle(hwnd); if (temp_window && temp_window->Parent) /* Verify we got a child window */ child_window = temp_window; } } if ( window ) { SFG_Window* temp_window = child_window?child_window:window; fgState.Modifiers = fghGetWin32Modifiers( ); /* Checking for CTRL, ALT, and SHIFT key positions: Key Down! */ if ( !lControl && GetAsyncKeyState ( VK_LCONTROL ) ) { INVOKE_WCB ( *temp_window, Special, ( GLUT_KEY_CTRL_L, temp_window->State.MouseX, temp_window->State.MouseY ) ); lControl = 1; } if ( !rControl && GetAsyncKeyState ( VK_RCONTROL ) ) { INVOKE_WCB ( *temp_window, Special, ( GLUT_KEY_CTRL_R, temp_window->State.MouseX, temp_window->State.MouseY ) ); rControl = 1; } if ( !lShift && GetAsyncKeyState ( VK_LSHIFT ) ) { INVOKE_WCB ( *temp_window, Special, ( GLUT_KEY_SHIFT_L, temp_window->State.MouseX, temp_window->State.MouseY ) ); lShift = 1; } if ( !rShift && GetAsyncKeyState ( VK_RSHIFT ) ) { INVOKE_WCB ( *temp_window, Special, ( GLUT_KEY_SHIFT_R, temp_window->State.MouseX, temp_window->State.MouseY ) ); rShift = 1; } if ( !lAlt && GetAsyncKeyState ( VK_LMENU ) ) { INVOKE_WCB ( *temp_window, Special, ( GLUT_KEY_ALT_L, temp_window->State.MouseX, temp_window->State.MouseY ) ); lAlt = 1; } if ( !rAlt && GetAsyncKeyState ( VK_RMENU ) ) { INVOKE_WCB ( *temp_window, Special, ( GLUT_KEY_ALT_R, temp_window->State.MouseX, temp_window->State.MouseY ) ); rAlt = 1; } /* Checking for CTRL, ALT, and SHIFT key positions: Key Up! */ if ( lControl && !GetAsyncKeyState ( VK_LCONTROL ) ) { INVOKE_WCB ( *temp_window, SpecialUp, ( GLUT_KEY_CTRL_L, temp_window->State.MouseX, temp_window->State.MouseY ) ); lControl = 0; } if ( rControl && !GetAsyncKeyState ( VK_RCONTROL ) ) { INVOKE_WCB ( *temp_window, SpecialUp, ( GLUT_KEY_CTRL_R, temp_window->State.MouseX, temp_window->State.MouseY ) ); rControl = 0; } if ( lShift && !GetAsyncKeyState ( VK_LSHIFT ) ) { INVOKE_WCB ( *temp_window, SpecialUp, ( GLUT_KEY_SHIFT_L, temp_window->State.MouseX, temp_window->State.MouseY ) ); lShift = 0; } if ( rShift && !GetAsyncKeyState ( VK_RSHIFT ) ) { INVOKE_WCB ( *temp_window, SpecialUp, ( GLUT_KEY_SHIFT_R, temp_window->State.MouseX, temp_window->State.MouseY ) ); rShift = 0; } if ( lAlt && !GetAsyncKeyState ( VK_LMENU ) ) { INVOKE_WCB ( *temp_window, SpecialUp, ( GLUT_KEY_ALT_L, temp_window->State.MouseX, temp_window->State.MouseY ) ); lAlt = 0; } if ( rAlt && !GetAsyncKeyState ( VK_RMENU ) ) { INVOKE_WCB ( *temp_window, SpecialUp, ( GLUT_KEY_ALT_R, temp_window->State.MouseX, temp_window->State.MouseY ) ); rAlt = 0; } fgState.Modifiers = INVALID_MODIFIERS; } switch( uMsg ) { case WM_CREATE: /* The window structure is passed as the creation structure parameter... */ window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams); FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window", "fgWindowProc" ); window->Window.Handle = hWnd; window->Window.Device = GetDC( hWnd ); if( window->IsMenu ) { unsigned int current_DisplayMode = fgState.DisplayMode; fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH; #if !defined(_WIN32_WCE) fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE ); #endif fgState.DisplayMode = current_DisplayMode; if( fgStructure.MenuContext ) wglMakeCurrent( window->Window.Device, fgStructure.MenuContext->MContext ); else { fgStructure.MenuContext = (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) ); fgStructure.MenuContext->MContext = wglCreateContext( window->Window.Device ); } /* window->Window.Context = wglGetCurrentContext (); */ window->Window.Context = wglCreateContext( window->Window.Device ); } else { #if !defined(_WIN32_WCE) fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE ); #endif if( ! fgState.UseCurrentContext ) window->Window.Context = wglCreateContext( window->Window.Device ); else { window->Window.Context = wglGetCurrentContext( ); if( ! window->Window.Context ) window->Window.Context = wglCreateContext( window->Window.Device ); } #if !defined(_WIN32_WCE) fgNewWGLCreateContext( window ); #endif } window->State.NeedToResize = GL_TRUE; /* if we used CW_USEDEFAULT (thats a negative value) for the size * of the window, query the window now for the size at which it * was created. */ if( ( window->State.Width < 0 ) || ( window->State.Height < 0 ) ) { SFG_Window *current_window = fgStructure.CurrentWindow; fgSetWindow( window ); window->State.Width = glutGet( GLUT_WINDOW_WIDTH ); window->State.Height = glutGet( GLUT_WINDOW_HEIGHT ); fgSetWindow( current_window ); } ReleaseDC( window->Window.Handle, window->Window.Device ); #if defined(_WIN32_WCE) /* Take over button handling */ { HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll")); if (dxDllLib) { GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z")); GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ")); } if(GXOpenInput_) (*GXOpenInput_)(); if(GXGetDefaultKeys_) gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS); } #endif /* defined(_WIN32_WCE) */ break; case WM_SIZE: /* * If the window is visible, then it is the user manually resizing it. * If it is not, then it is the system sending us a dummy resize with * zero dimensions on a "glutIconifyWindow" call. */ if( window->State.Visible ) { window->State.NeedToResize = GL_TRUE; #if defined(_WIN32_WCE) window->State.Width = HIWORD(lParam); window->State.Height = LOWORD(lParam); #else window->State.Width = LOWORD(lParam); window->State.Height = HIWORD(lParam); #endif /* defined(_WIN32_WCE) */ } break; case WM_SETFOCUS: /* printf("WM_SETFOCUS: %p\n", window ); */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); if (child_window) { /* If child should have focus instead, set it here. */ SetFocus(child_window->Window.Handle); SetActiveWindow( child_window->Window.Handle ); INVOKE_WCB( *child_window, Entry, ( GLUT_ENTERED ) ); UpdateWindow ( child_window->Window.Handle ); } else { SetActiveWindow( window->Window.Handle ); INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) ); } /* Always request update on main window to be safe */ UpdateWindow ( hWnd ); break; case WM_KILLFOCUS: { SFG_Window* saved_window = fgStructure.CurrentWindow; /* printf("WM_KILLFOCUS: %p\n", window ); */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) ); fgSetWindow(saved_window); /* Check if there are any open menus that need to be closed */ fgPlatformCheckMenuDeactivate(); } break; #if 0 case WM_ACTIVATE: if (LOWORD(wParam) != WA_INACTIVE) { /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window, window->State.Cursor ); */ fgSetCursor( window, window->State.Cursor ); } lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); break; #endif case WM_SETCURSOR: /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */ if( LOWORD( lParam ) == HTCLIENT ) fgSetCursor ( window, window->State.Cursor ) ; else lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); break; case WM_SHOWWINDOW: window->State.Visible = GL_TRUE; window->State.Redisplay = GL_TRUE; break; case WM_PAINT: /* Turn on the visibility in case it was turned off somehow */ window->State.Visible = GL_TRUE; InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */ BeginPaint( hWnd, &ps ); fghRedrawWindow( window ); EndPaint( hWnd, &ps ); break; case WM_CLOSE: fgDestroyWindow ( window ); if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION ) PostQuitMessage(0); break; case WM_DESTROY: /* * The window already got destroyed, so don't bother with it. */ return 0; case WM_MOUSEMOVE: { #if defined(_WIN32_WCE) window->State.MouseX = 320-HIWORD( lParam ); window->State.MouseY = LOWORD( lParam ); #else window->State.MouseX = LOWORD( lParam ); window->State.MouseY = HIWORD( lParam ); #endif /* defined(_WIN32_WCE) */ /* Restrict to [-32768, 32767] to match X11 behaviour */ /* See comment in "freeglut_developer" mailing list 10/4/04 */ if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536; if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536; if ( window->ActiveMenu ) { fgUpdateMenuHighlight( window->ActiveMenu ); break; } fgState.Modifiers = fghGetWin32Modifiers( ); if( ( wParam & MK_LBUTTON ) || ( wParam & MK_MBUTTON ) || ( wParam & MK_RBUTTON ) ) INVOKE_WCB( *window, Motion, ( window->State.MouseX, window->State.MouseY ) ); else INVOKE_WCB( *window, Passive, ( window->State.MouseX, window->State.MouseY ) ); fgState.Modifiers = INVALID_MODIFIERS; } break; case WM_LBUTTONDOWN: case WM_MBUTTONDOWN: case WM_RBUTTONDOWN: case WM_LBUTTONUP: case WM_MBUTTONUP: case WM_RBUTTONUP: { GLboolean pressed = GL_TRUE; int button; #if defined(_WIN32_WCE) window->State.MouseX = 320-HIWORD( lParam ); window->State.MouseY = LOWORD( lParam ); #else window->State.MouseX = LOWORD( lParam ); window->State.MouseY = HIWORD( lParam ); #endif /* defined(_WIN32_WCE) */ /* Restrict to [-32768, 32767] to match X11 behaviour */ /* See comment in "freeglut_developer" mailing list 10/4/04 */ if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536; if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536; switch( uMsg ) { case WM_LBUTTONDOWN: pressed = GL_TRUE; button = GLUT_LEFT_BUTTON; break; case WM_MBUTTONDOWN: pressed = GL_TRUE; button = GLUT_MIDDLE_BUTTON; break; case WM_RBUTTONDOWN: pressed = GL_TRUE; button = GLUT_RIGHT_BUTTON; break; case WM_LBUTTONUP: pressed = GL_FALSE; button = GLUT_LEFT_BUTTON; break; case WM_MBUTTONUP: pressed = GL_FALSE; button = GLUT_MIDDLE_BUTTON; break; case WM_RBUTTONUP: pressed = GL_FALSE; button = GLUT_RIGHT_BUTTON; break; default: pressed = GL_FALSE; button = -1; break; } #if !defined(_WIN32_WCE) if( GetSystemMetrics( SM_SWAPBUTTON ) ) { if( button == GLUT_LEFT_BUTTON ) button = GLUT_RIGHT_BUTTON; else if( button == GLUT_RIGHT_BUTTON ) button = GLUT_LEFT_BUTTON; } #endif /* !defined(_WIN32_WCE) */ if( button == -1 ) return DefWindowProc( hWnd, uMsg, lParam, wParam ); /* * Do not execute the application's mouse callback if a menu * is hooked to this button. In that case an appropriate * private call should be generated. */ if( fgCheckActiveMenu( window, button, pressed, window->State.MouseX, window->State.MouseY ) ) break; /* Set capture so that the window captures all the mouse messages */ /* * XXX - Multiple button support: Under X11, the mouse is not released * XXX - from the window until all buttons have been released, even if the * XXX - user presses a button in another window. This will take more * XXX - code changes than I am up to at the moment (10/5/04). The present * XXX - is a 90 percent solution. */ if ( pressed == GL_TRUE ) SetCapture ( window->Window.Handle ) ; else ReleaseCapture () ; if( ! FETCH_WCB( *window, Mouse ) ) break; fgSetWindow( window ); fgState.Modifiers = fghGetWin32Modifiers( ); INVOKE_WCB( *window, Mouse, ( button, pressed ? GLUT_DOWN : GLUT_UP, window->State.MouseX, window->State.MouseY ) ); fgState.Modifiers = INVALID_MODIFIERS; } break; case WM_MOUSEWHEEL: { int wheel_number = LOWORD( wParam ); short ticks = ( short )HIWORD( wParam ); fgState.MouseWheelTicks += ticks; /* * XXX Should use WHEEL_DELTA instead of 120 */ if ( abs ( fgState.MouseWheelTicks ) >= 120 ) { int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1; if( ! FETCH_WCB( *window, MouseWheel ) && ! FETCH_WCB( *window, Mouse ) ) break; fgSetWindow( window ); fgState.Modifiers = fghGetWin32Modifiers( ); /* * XXX Should use WHEEL_DELTA instead of 120 */ while( abs ( fgState.MouseWheelTicks ) >= 120 ) { if( FETCH_WCB( *window, MouseWheel ) ) INVOKE_WCB( *window, MouseWheel, ( wheel_number, direction, window->State.MouseX, window->State.MouseY ) ); else /* No mouse wheel, call the mouse button callback twice */ { /* * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4 * " " one +1 to 5, -1 to 6, ... * * XXX The below assumes that you have no more than 3 mouse * XXX buttons. Sorry. */ int button = wheel_number * 2 + 3; if( direction < 0 ) ++button; INVOKE_WCB( *window, Mouse, ( button, GLUT_DOWN, window->State.MouseX, window->State.MouseY ) ); INVOKE_WCB( *window, Mouse, ( button, GLUT_UP, window->State.MouseX, window->State.MouseY ) ); } /* * XXX Should use WHEEL_DELTA instead of 120 */ fgState.MouseWheelTicks -= 120 * direction; } fgState.Modifiers = INVALID_MODIFIERS; } } break ; case WM_SYSKEYDOWN: case WM_KEYDOWN: { int keypress = -1; POINT mouse_pos ; if (child_window) window = child_window; if( ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) ) break; /* * Remember the current modifiers state. This is done here in order * to make sure the VK_DELETE keyboard callback is executed properly. */ fgState.Modifiers = fghGetWin32Modifiers( ); GetCursorPos( &mouse_pos ); ScreenToClient( window->Window.Handle, &mouse_pos ); window->State.MouseX = mouse_pos.x; window->State.MouseY = mouse_pos.y; /* Convert the Win32 keystroke codes to GLUTtish way */ # define KEY(a,b) case a: keypress = b; break; switch( wParam ) { KEY( VK_F1, GLUT_KEY_F1 ); KEY( VK_F2, GLUT_KEY_F2 ); KEY( VK_F3, GLUT_KEY_F3 ); KEY( VK_F4, GLUT_KEY_F4 ); KEY( VK_F5, GLUT_KEY_F5 ); KEY( VK_F6, GLUT_KEY_F6 ); KEY( VK_F7, GLUT_KEY_F7 ); KEY( VK_F8, GLUT_KEY_F8 ); KEY( VK_F9, GLUT_KEY_F9 ); KEY( VK_F10, GLUT_KEY_F10 ); KEY( VK_F11, GLUT_KEY_F11 ); KEY( VK_F12, GLUT_KEY_F12 ); KEY( VK_PRIOR, GLUT_KEY_PAGE_UP ); KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN ); KEY( VK_HOME, GLUT_KEY_HOME ); KEY( VK_END, GLUT_KEY_END ); KEY( VK_LEFT, GLUT_KEY_LEFT ); KEY( VK_UP, GLUT_KEY_UP ); KEY( VK_RIGHT, GLUT_KEY_RIGHT ); KEY( VK_DOWN, GLUT_KEY_DOWN ); KEY( VK_INSERT, GLUT_KEY_INSERT ); case VK_LCONTROL: case VK_RCONTROL: case VK_CONTROL: case VK_LSHIFT: case VK_RSHIFT: case VK_SHIFT: case VK_LMENU: case VK_RMENU: case VK_MENU: /* These keypresses and releases are handled earlier in the function */ break; case VK_DELETE: /* The delete key should be treated as an ASCII keypress: */ INVOKE_WCB( *window, Keyboard, ( 127, window->State.MouseX, window->State.MouseY ) ); } #if defined(_WIN32_WCE) if(!(lParam & 0x40000000)) /* Prevent auto-repeat */ { if(wParam==(unsigned)gxKeyList.vkRight) keypress = GLUT_KEY_RIGHT; else if(wParam==(unsigned)gxKeyList.vkLeft) keypress = GLUT_KEY_LEFT; else if(wParam==(unsigned)gxKeyList.vkUp) keypress = GLUT_KEY_UP; else if(wParam==(unsigned)gxKeyList.vkDown) keypress = GLUT_KEY_DOWN; else if(wParam==(unsigned)gxKeyList.vkA) keypress = GLUT_KEY_F1; else if(wParam==(unsigned)gxKeyList.vkB) keypress = GLUT_KEY_F2; else if(wParam==(unsigned)gxKeyList.vkC) keypress = GLUT_KEY_F3; else if(wParam==(unsigned)gxKeyList.vkStart) keypress = GLUT_KEY_F4; } #endif if( keypress != -1 ) INVOKE_WCB( *window, Special, ( keypress, window->State.MouseX, window->State.MouseY ) ); fgState.Modifiers = INVALID_MODIFIERS; } break; case WM_SYSKEYUP: case WM_KEYUP: { int keypress = -1; POINT mouse_pos; if (child_window) window = child_window; /* * Remember the current modifiers state. This is done here in order * to make sure the VK_DELETE keyboard callback is executed properly. */ fgState.Modifiers = fghGetWin32Modifiers( ); GetCursorPos( &mouse_pos ); ScreenToClient( window->Window.Handle, &mouse_pos ); window->State.MouseX = mouse_pos.x; window->State.MouseY = mouse_pos.y; /* * Convert the Win32 keystroke codes to GLUTtish way. * "KEY(a,b)" was defined under "WM_KEYDOWN" */ switch( wParam ) { KEY( VK_F1, GLUT_KEY_F1 ); KEY( VK_F2, GLUT_KEY_F2 ); KEY( VK_F3, GLUT_KEY_F3 ); KEY( VK_F4, GLUT_KEY_F4 ); KEY( VK_F5, GLUT_KEY_F5 ); KEY( VK_F6, GLUT_KEY_F6 ); KEY( VK_F7, GLUT_KEY_F7 ); KEY( VK_F8, GLUT_KEY_F8 ); KEY( VK_F9, GLUT_KEY_F9 ); KEY( VK_F10, GLUT_KEY_F10 ); KEY( VK_F11, GLUT_KEY_F11 ); KEY( VK_F12, GLUT_KEY_F12 ); KEY( VK_PRIOR, GLUT_KEY_PAGE_UP ); KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN ); KEY( VK_HOME, GLUT_KEY_HOME ); KEY( VK_END, GLUT_KEY_END ); KEY( VK_LEFT, GLUT_KEY_LEFT ); KEY( VK_UP, GLUT_KEY_UP ); KEY( VK_RIGHT, GLUT_KEY_RIGHT ); KEY( VK_DOWN, GLUT_KEY_DOWN ); KEY( VK_INSERT, GLUT_KEY_INSERT ); case VK_LCONTROL: case VK_RCONTROL: case VK_CONTROL: case VK_LSHIFT: case VK_RSHIFT: case VK_SHIFT: case VK_LMENU: case VK_RMENU: case VK_MENU: /* These keypresses and releases are handled earlier in the function */ break; case VK_DELETE: /* The delete key should be treated as an ASCII keypress: */ INVOKE_WCB( *window, KeyboardUp, ( 127, window->State.MouseX, window->State.MouseY ) ); break; default: { #if !defined(_WIN32_WCE) BYTE state[ 256 ]; WORD code[ 2 ]; GetKeyboardState( state ); if( ToAscii( (UINT)wParam, 0, state, code, 0 ) == 1 ) wParam=code[ 0 ]; INVOKE_WCB( *window, KeyboardUp, ( (char)wParam, window->State.MouseX, window->State.MouseY ) ); #endif /* !defined(_WIN32_WCE) */ } } if( keypress != -1 ) INVOKE_WCB( *window, SpecialUp, ( keypress, window->State.MouseX, window->State.MouseY ) ); fgState.Modifiers = INVALID_MODIFIERS; } break; case WM_SYSCHAR: case WM_CHAR: { if (child_window) window = child_window; if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) ) break; fgState.Modifiers = fghGetWin32Modifiers( ); INVOKE_WCB( *window, Keyboard, ( (char)wParam, window->State.MouseX, window->State.MouseY ) ); fgState.Modifiers = INVALID_MODIFIERS; } break; case WM_CAPTURECHANGED: /* User has finished resizing the window, force a redraw */ INVOKE_WCB( *window, Display, ( ) ); /*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */ break; /* Other messages that I have seen and which are not handled already */ case WM_SETTEXT: /* 0x000c */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); /* Pass it on to "DefWindowProc" to set the window text */ break; case WM_GETTEXT: /* 0x000d */ /* Ideally we would copy the title of the window into "lParam" */ /* strncpy ( (char *)lParam, "Window Title", wParam ); lRet = ( wParam > 12 ) ? 12 : wParam; */ /* the number of characters copied */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); break; case WM_GETTEXTLENGTH: /* 0x000e */ /* Ideally we would get the length of the title of the window */ lRet = 12; /* the number of characters in "Window Title\0" (see above) */ break; case WM_ERASEBKGND: /* 0x0014 */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); break; #if !defined(_WIN32_WCE) case WM_SYNCPAINT: /* 0x0088 */ /* Another window has moved, need to update this one */ window->State.Redisplay = GL_TRUE; lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); /* Help screen says this message must be passed to "DefWindowProc" */ break; case WM_NCPAINT: /* 0x0085 */ /* Need to update the border of this window */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); /* Pass it on to "DefWindowProc" to repaint a standard border */ break; case WM_SYSCOMMAND : /* 0x0112 */ { /* * We have received a system command message. Try to act on it. * The commands are passed in through the "wParam" parameter: * The least significant digit seems to be which edge of the window * is being used for a resize event: * 4 3 5 * 1 2 * 7 6 8 * Congratulations and thanks to Richard Rauch for figuring this out.. */ switch ( wParam & 0xfff0 ) { case SC_SIZE : break ; case SC_MOVE : break ; case SC_MINIMIZE : /* User has clicked on the "-" to minimize the window */ /* Turn off the visibility */ window->State.Visible = GL_FALSE ; break ; case SC_MAXIMIZE : break ; case SC_NEXTWINDOW : break ; case SC_PREVWINDOW : break ; case SC_CLOSE : /* Followed very closely by a WM_CLOSE message */ break ; case SC_VSCROLL : break ; case SC_HSCROLL : break ; case SC_MOUSEMENU : break ; case SC_KEYMENU : break ; case SC_ARRANGE : break ; case SC_RESTORE : break ; case SC_TASKLIST : break ; case SC_SCREENSAVE : break ; case SC_HOTKEY : break ; #if(WINVER >= 0x0400) case SC_DEFAULT : break ; case SC_MONITORPOWER : break ; case SC_CONTEXTHELP : break ; #endif /* WINVER >= 0x0400 */ default: #if _DEBUG fgWarning( "Unknown wParam type 0x%x", wParam ); #endif break; } } #endif /* !defined(_WIN32_WCE) */ /* We need to pass the message on to the operating system as well */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); break; #ifdef WM_TOUCH /* handle multi-touch messages */ case WM_TOUCH: { unsigned int numInputs = (unsigned int)wParam; unsigned int i = 0; TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs); if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) { fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo"); fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle"); } if (!fghGetTouchInputInfo) { free( (void*)ti ); break; } if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) { /* Handle each contact point */ for (i = 0; i < numInputs; ++i ) { POINT tp; tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x); tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y); ScreenToClient( hWnd, &tp ); ti[i].dwID = ti[i].dwID * 2; if (ti[i].dwFlags & TOUCHEVENTF_DOWN) { INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) ); INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) ); } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) { INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) ); } else if (ti[i].dwFlags & TOUCHEVENTF_UP) { INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) ); INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) ); } } } fghCloseTouchInputHandle((HTOUCHINPUT)lParam); free( (void*)ti ); lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/ break; } #endif default: /* Handle unhandled messages */ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); break; } return lRet; } #endif /*** END OF FILE ***/