Splitting the X11-specific "freeglut_main.c" code into its own file
authorJohn F. Fay <johnffay@nettally.com>
Sun, 5 Feb 2012 03:44:03 +0000 (03:44 +0000)
committerJohn F. Fay <johnffay@nettally.com>
Sun, 5 Feb 2012 03:44:03 +0000 (03:44 +0000)
git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@1056 7f0cb862-5218-0410-a997-914c9d46530a

src/Common/freeglut_main.c
src/x11/freeglut_main_x11.c

index 66281ea..763783c 100644 (file)
@@ -78,32 +78,9 @@ extern void fgPlatformProcessSingleEvent ( void );
 extern void fgPlatformMainLoopPreliminaryWork ( void );\r
 \r
 \r
-/*\r
- * TODO BEFORE THE STABLE RELEASE:\r
- *\r
- * There are some issues concerning window redrawing under X11, and maybe\r
- * some events are not handled. The Win32 version lacks some more features,\r
- * but seems acceptable for not demanding purposes.\r
- *\r
- * Need to investigate why the X11 version breaks out with an error when\r
- * closing a window (using the window manager, not glutDestroyWindow)...\r
- */\r
 \r
-/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */\r
 \r
-/*\r
- * Handle a window configuration change. When no reshape\r
- * callback is hooked, the viewport size is updated to\r
- * match the new window size.\r
- */\r
-#if TARGET_HOST_POSIX_X11\r
-void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )\r
-{\r
-    XResizeWindow( fgDisplay.pDisplay.Display, window->Window.Handle,\r
-                   width, height );\r
-    XFlush( fgDisplay.pDisplay.Display ); /* XXX Shouldn't need this */\r
-}\r
-#endif\r
+/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */\r
 \r
 static void fghReshapeWindow ( SFG_Window *window, int width, int height )\r
 {\r
@@ -167,25 +144,6 @@ void fghRedrawWindow ( SFG_Window *window )
     fgSetWindow( current_window );\r
 }\r
 \r
-/*\r
- * A static helper function to execute display callback for a window\r
- */\r
-#if TARGET_HOST_POSIX_X11\r
-void fgPlatformDisplayWindow ( SFG_Window *window )\r
-{\r
-        fghRedrawWindow ( window ) ;\r
-}\r
-\r
-\r
-unsigned long fgPlatformSystemTime ( void )\r
-{\r
-#if TARGET_HOST_SOLARIS || HAVE_GETTIMEOFDAY\r
-    struct timeval now;\r
-    gettimeofday( &now, NULL );\r
-    return now.tv_usec/1000 + now.tv_sec*1000;\r
-#endif\r
-}\r
-#endif\r
 \r
 static void fghcbDisplayWindow( SFG_Window *window,\r
                                 SFG_Enumerator *enumerator )\r
@@ -412,44 +370,6 @@ static long fghNextTimer( void )
 \r
     return ret;\r
 }\r
-/*\r
- * Does the magic required to relinquish the CPU until something interesting\r
- * happens.\r
- */\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-void fgPlatformSleepForEvents( long msec )\r
-{\r
-    /*\r
-     * Possibly due to aggressive use of XFlush() and friends,\r
-     * it is possible to have our socket drained but still have\r
-     * unprocessed events.  (Or, this may just be normal with\r
-     * X, anyway?)  We do non-trivial processing of X events\r
-     * after the event-reading loop, in any case, so we\r
-     * need to allow that we may have an empty socket but non-\r
-     * empty event queue.\r
-     */\r
-    if( ! XPending( fgDisplay.pDisplay.Display ) )\r
-    {\r
-        fd_set fdset;\r
-        int err;\r
-        int socket;\r
-        struct timeval wait;\r
-\r
-        socket = ConnectionNumber( fgDisplay.pDisplay.Display );\r
-        FD_ZERO( &fdset );\r
-        FD_SET( socket, &fdset );\r
-        wait.tv_sec = msec / 1000;\r
-        wait.tv_usec = (msec % 1000) * 1000;\r
-        err = select( socket+1, &fdset, NULL, NULL, &wait );\r
-\r
-#ifdef HAVE_ERRNO_H\r
-        if( ( -1 == err ) && ( errno != EINTR ) )\r
-            fgWarning ( "freeglut select() error: %d", errno );\r
-#endif\r
-    }\r
-}\r
-#endif\r
 \r
 static void fghSleepForEvents( void )\r
 {\r
@@ -467,950 +387,6 @@ static void fghSleepForEvents( void )
        fgPlatformSleepForEvents ( msec );\r
 }\r
 \r
-#if TARGET_HOST_POSIX_X11\r
-/*\r
- * Returns GLUT modifier mask for the state field of an X11 event.\r
- */\r
-int fgPlatformGetModifiers( int state )\r
-{\r
-    int ret = 0;\r
-\r
-    if( state & ( ShiftMask | LockMask ) )\r
-        ret |= GLUT_ACTIVE_SHIFT;\r
-    if( state & ControlMask )\r
-        ret |= GLUT_ACTIVE_CTRL;\r
-    if( state & Mod1Mask )\r
-        ret |= GLUT_ACTIVE_ALT;\r
-\r
-    return ret;\r
-}\r
-\r
-\r
-\r
-static const char* fghTypeToString( int type )\r
-{\r
-    switch( type ) {\r
-    case KeyPress: return "KeyPress";\r
-    case KeyRelease: return "KeyRelease";\r
-    case ButtonPress: return "ButtonPress";\r
-    case ButtonRelease: return "ButtonRelease";\r
-    case MotionNotify: return "MotionNotify";\r
-    case EnterNotify: return "EnterNotify";\r
-    case LeaveNotify: return "LeaveNotify";\r
-    case FocusIn: return "FocusIn";\r
-    case FocusOut: return "FocusOut";\r
-    case KeymapNotify: return "KeymapNotify";\r
-    case Expose: return "Expose";\r
-    case GraphicsExpose: return "GraphicsExpose";\r
-    case NoExpose: return "NoExpose";\r
-    case VisibilityNotify: return "VisibilityNotify";\r
-    case CreateNotify: return "CreateNotify";\r
-    case DestroyNotify: return "DestroyNotify";\r
-    case UnmapNotify: return "UnmapNotify";\r
-    case MapNotify: return "MapNotify";\r
-    case MapRequest: return "MapRequest";\r
-    case ReparentNotify: return "ReparentNotify";\r
-    case ConfigureNotify: return "ConfigureNotify";\r
-    case ConfigureRequest: return "ConfigureRequest";\r
-    case GravityNotify: return "GravityNotify";\r
-    case ResizeRequest: return "ResizeRequest";\r
-    case CirculateNotify: return "CirculateNotify";\r
-    case CirculateRequest: return "CirculateRequest";\r
-    case PropertyNotify: return "PropertyNotify";\r
-    case SelectionClear: return "SelectionClear";\r
-    case SelectionRequest: return "SelectionRequest";\r
-    case SelectionNotify: return "SelectionNotify";\r
-    case ColormapNotify: return "ColormapNotify";\r
-    case ClientMessage: return "ClientMessage";\r
-    case MappingNotify: return "MappingNotify";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghBoolToString( Bool b )\r
-{\r
-    return b == False ? "False" : "True";\r
-}\r
-\r
-static const char* fghNotifyHintToString( char is_hint )\r
-{\r
-    switch( is_hint ) {\r
-    case NotifyNormal: return "NotifyNormal";\r
-    case NotifyHint: return "NotifyHint";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghNotifyModeToString( int mode )\r
-{\r
-    switch( mode ) {\r
-    case NotifyNormal: return "NotifyNormal";\r
-    case NotifyGrab: return "NotifyGrab";\r
-    case NotifyUngrab: return "NotifyUngrab";\r
-    case NotifyWhileGrabbed: return "NotifyWhileGrabbed";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghNotifyDetailToString( int detail )\r
-{\r
-    switch( detail ) {\r
-    case NotifyAncestor: return "NotifyAncestor";\r
-    case NotifyVirtual: return "NotifyVirtual";\r
-    case NotifyInferior: return "NotifyInferior";\r
-    case NotifyNonlinear: return "NotifyNonlinear";\r
-    case NotifyNonlinearVirtual: return "NotifyNonlinearVirtual";\r
-    case NotifyPointer: return "NotifyPointer";\r
-    case NotifyPointerRoot: return "NotifyPointerRoot";\r
-    case NotifyDetailNone: return "NotifyDetailNone";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghVisibilityToString( int state ) {\r
-    switch( state ) {\r
-    case VisibilityUnobscured: return "VisibilityUnobscured";\r
-    case VisibilityPartiallyObscured: return "VisibilityPartiallyObscured";\r
-    case VisibilityFullyObscured: return "VisibilityFullyObscured";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghConfigureDetailToString( int detail )\r
-{\r
-    switch( detail ) {\r
-    case Above: return "Above";\r
-    case Below: return "Below";\r
-    case TopIf: return "TopIf";\r
-    case BottomIf: return "BottomIf";\r
-    case Opposite: return "Opposite";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghPlaceToString( int place )\r
-{\r
-    switch( place ) {\r
-    case PlaceOnTop: return "PlaceOnTop";\r
-    case PlaceOnBottom: return "PlaceOnBottom";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghMappingRequestToString( int request )\r
-{\r
-    switch( request ) {\r
-    case MappingModifier: return "MappingModifier";\r
-    case MappingKeyboard: return "MappingKeyboard";\r
-    case MappingPointer: return "MappingPointer";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghPropertyStateToString( int state )\r
-{\r
-    switch( state ) {\r
-    case PropertyNewValue: return "PropertyNewValue";\r
-    case PropertyDelete: return "PropertyDelete";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static const char* fghColormapStateToString( int state )\r
-{\r
-    switch( state ) {\r
-    case ColormapUninstalled: return "ColormapUninstalled";\r
-    case ColormapInstalled: return "ColormapInstalled";\r
-    default: return "UNKNOWN";\r
-    }\r
-}\r
-\r
-static void fghPrintEvent( XEvent *event )\r
-{\r
-    switch( event->type ) {\r
-\r
-    case KeyPress:\r
-    case KeyRelease: {\r
-        XKeyEvent *e = &event->xkey;\r
-        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
-                   "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "\r
-                   "keycode=%u, same_screen=%s", fghTypeToString( e->type ),\r
-                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
-                   e->x, e->y, e->x_root, e->y_root, e->state, e->keycode,\r
-                   fghBoolToString( e->same_screen ) );\r
-        break;\r
-    }\r
-\r
-    case ButtonPress:\r
-    case ButtonRelease: {\r
-        XButtonEvent *e = &event->xbutton;\r
-        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
-                   "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "\r
-                   "button=%u, same_screen=%d", fghTypeToString( e->type ),\r
-                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
-                   e->x, e->y, e->x_root, e->y_root, e->state, e->button,\r
-                   fghBoolToString( e->same_screen ) );\r
-        break;\r
-    }\r
-\r
-    case MotionNotify: {\r
-        XMotionEvent *e = &event->xmotion;\r
-        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
-                   "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "\r
-                   "is_hint=%s, same_screen=%d", fghTypeToString( e->type ),\r
-                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
-                   e->x, e->y, e->x_root, e->y_root, e->state,\r
-                   fghNotifyHintToString( e->is_hint ),\r
-                   fghBoolToString( e->same_screen ) );\r
-        break;\r
-    }\r
-\r
-    case EnterNotify:\r
-    case LeaveNotify: {\r
-        XCrossingEvent *e = &event->xcrossing;\r
-        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
-                   "(x,y)=(%d,%d), mode=%s, detail=%s, same_screen=%d, "\r
-                   "focus=%d, state=0x%x", fghTypeToString( e->type ),\r
-                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
-                   e->x, e->y, fghNotifyModeToString( e->mode ),\r
-                   fghNotifyDetailToString( e->detail ), (int)e->same_screen,\r
-                   (int)e->focus, e->state );\r
-        break;\r
-    }\r
-\r
-    case FocusIn:\r
-    case FocusOut: {\r
-        XFocusChangeEvent *e = &event->xfocus;\r
-        fgWarning( "%s: window=0x%x, mode=%s, detail=%s",\r
-                   fghTypeToString( e->type ), e->window,\r
-                   fghNotifyModeToString( e->mode ),\r
-                   fghNotifyDetailToString( e->detail ) );\r
-        break;\r
-    }\r
-\r
-    case KeymapNotify: {\r
-        XKeymapEvent *e = &event->xkeymap;\r
-        char buf[32 * 2 + 1];\r
-        int i;\r
-        for ( i = 0; i < 32; i++ ) {\r
-            snprintf( &buf[ i * 2 ], sizeof( buf ) - i * 2,\r
-                      "%02x", e->key_vector[ i ] );\r
-        }\r
-        buf[ i ] = '\0';\r
-        fgWarning( "%s: window=0x%x, %s", fghTypeToString( e->type ), e->window,\r
-                   buf );\r
-        break;\r
-    }\r
-\r
-    case Expose: {\r
-        XExposeEvent *e = &event->xexpose;\r
-        fgWarning( "%s: window=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "\r
-                   "count=%d", fghTypeToString( e->type ), e->window, e->x,\r
-                   e->y, e->width, e->height, e->count );\r
-        break;\r
-    }\r
-\r
-    case GraphicsExpose: {\r
-        XGraphicsExposeEvent *e = &event->xgraphicsexpose;\r
-        fgWarning( "%s: drawable=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "\r
-                   "count=%d, (major_code,minor_code)=(%d,%d)",\r
-                   fghTypeToString( e->type ), e->drawable, e->x, e->y,\r
-                   e->width, e->height, e->count, e->major_code,\r
-                   e->minor_code );\r
-        break;\r
-    }\r
-\r
-    case NoExpose: {\r
-        XNoExposeEvent *e = &event->xnoexpose;\r
-        fgWarning( "%s: drawable=0x%x, (major_code,minor_code)=(%d,%d)",\r
-                   fghTypeToString( e->type ), e->drawable, e->major_code,\r
-                   e->minor_code );\r
-        break;\r
-    }\r
-\r
-    case VisibilityNotify: {\r
-        XVisibilityEvent *e = &event->xvisibility;\r
-        fgWarning( "%s: window=0x%x, state=%s", fghTypeToString( e->type ),\r
-                   e->window, fghVisibilityToString( e->state) );\r
-        break;\r
-    }\r
-\r
-    case CreateNotify: {\r
-        XCreateWindowEvent *e = &event->xcreatewindow;\r
-        fgWarning( "%s: (x,y)=(%d,%d), (width,height)=(%d,%d), border_width=%d, "\r
-                   "window=0x%x, override_redirect=%s",\r
-                   fghTypeToString( e->type ), e->x, e->y, e->width, e->height,\r
-                   e->border_width, e->window,\r
-                   fghBoolToString( e->override_redirect ) );\r
-        break;\r
-    }\r
-\r
-    case DestroyNotify: {\r
-        XDestroyWindowEvent *e = &event->xdestroywindow;\r
-        fgWarning( "%s: event=0x%x, window=0x%x",\r
-                   fghTypeToString( e->type ), e->event, e->window );\r
-        break;\r
-    }\r
-\r
-    case UnmapNotify: {\r
-        XUnmapEvent *e = &event->xunmap;\r
-        fgWarning( "%s: event=0x%x, window=0x%x, from_configure=%s",\r
-                   fghTypeToString( e->type ), e->event, e->window,\r
-                   fghBoolToString( e->from_configure ) );\r
-        break;\r
-    }\r
-\r
-    case MapNotify: {\r
-        XMapEvent *e = &event->xmap;\r
-        fgWarning( "%s: event=0x%x, window=0x%x, override_redirect=%s",\r
-                   fghTypeToString( e->type ), e->event, e->window,\r
-                   fghBoolToString( e->override_redirect ) );\r
-        break;\r
-    }\r
-\r
-    case MapRequest: {\r
-        XMapRequestEvent *e = &event->xmaprequest;\r
-        fgWarning( "%s: parent=0x%x, window=0x%x",\r
-                   fghTypeToString( event->type ), e->parent, e->window );\r
-        break;\r
-    }\r
-\r
-    case ReparentNotify: {\r
-        XReparentEvent *e = &event->xreparent;\r
-        fgWarning( "%s: event=0x%x, window=0x%x, parent=0x%x, (x,y)=(%d,%d), "\r
-                   "override_redirect=%s", fghTypeToString( e->type ),\r
-                   e->event, e->window, e->parent, e->x, e->y,\r
-                   fghBoolToString( e->override_redirect ) );\r
-        break;\r
-    }\r
-\r
-    case ConfigureNotify: {\r
-        XConfigureEvent *e = &event->xconfigure;\r
-        fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d), "\r
-                   "(width,height)=(%d,%d), border_width=%d, above=0x%x, "\r
-                   "override_redirect=%s", fghTypeToString( e->type ), e->event,\r
-                   e->window, e->x, e->y, e->width, e->height, e->border_width,\r
-                   e->above, fghBoolToString( e->override_redirect ) );\r
-        break;\r
-    }\r
-\r
-    case ConfigureRequest: {\r
-        XConfigureRequestEvent *e = &event->xconfigurerequest;\r
-        fgWarning( "%s: parent=0x%x, window=0x%x, (x,y)=(%d,%d), "\r
-                   "(width,height)=(%d,%d), border_width=%d, above=0x%x, "\r
-                   "detail=%s, value_mask=%lx", fghTypeToString( e->type ),\r
-                   e->parent, e->window, e->x, e->y, e->width, e->height,\r
-                   e->border_width, e->above,\r
-                   fghConfigureDetailToString( e->detail ), e->value_mask );\r
-        break;\r
-    }\r
-\r
-    case GravityNotify: {\r
-        XGravityEvent *e = &event->xgravity;\r
-        fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d)",\r
-                   fghTypeToString( e->type ), e->event, e->window, e->x, e->y );\r
-        break;\r
-    }\r
-\r
-    case ResizeRequest: {\r
-        XResizeRequestEvent *e = &event->xresizerequest;\r
-        fgWarning( "%s: window=0x%x, (width,height)=(%d,%d)",\r
-                   fghTypeToString( e->type ), e->window, e->width, e->height );\r
-        break;\r
-    }\r
-\r
-    case CirculateNotify: {\r
-        XCirculateEvent *e = &event->xcirculate;\r
-        fgWarning( "%s: event=0x%x, window=0x%x, place=%s",\r
-                   fghTypeToString( e->type ), e->event, e->window,\r
-                   fghPlaceToString( e->place ) );\r
-        break;\r
-    }\r
-\r
-    case CirculateRequest: {\r
-        XCirculateRequestEvent *e = &event->xcirculaterequest;\r
-        fgWarning( "%s: parent=0x%x, window=0x%x, place=%s",\r
-                   fghTypeToString( e->type ), e->parent, e->window,\r
-                   fghPlaceToString( e->place ) );\r
-        break;\r
-    }\r
-\r
-    case PropertyNotify: {\r
-        XPropertyEvent *e = &event->xproperty;\r
-        fgWarning( "%s: window=0x%x, atom=%lu, time=%lu, state=%s",\r
-                   fghTypeToString( e->type ), e->window,\r
-                   (unsigned long)e->atom, (unsigned long)e->time,\r
-                   fghPropertyStateToString( e->state ) );\r
-        break;\r
-    }\r
-\r
-    case SelectionClear: {\r
-        XSelectionClearEvent *e = &event->xselectionclear;\r
-        fgWarning( "%s: window=0x%x, selection=%lu, time=%lu",\r
-                   fghTypeToString( e->type ), e->window,\r
-                   (unsigned long)e->selection, (unsigned long)e->time );\r
-        break;\r
-    }\r
-\r
-    case SelectionRequest: {\r
-        XSelectionRequestEvent *e = &event->xselectionrequest;\r
-        fgWarning( "%s: owner=0x%x, requestor=0x%x, selection=0x%x, "\r
-                   "target=0x%x, property=%lu, time=%lu",\r
-                   fghTypeToString( e->type ), e->owner, e->requestor,\r
-                   (unsigned long)e->selection, (unsigned long)e->target,\r
-                   (unsigned long)e->property, (unsigned long)e->time );\r
-        break;\r
-    }\r
-\r
-    case SelectionNotify: {\r
-        XSelectionEvent *e = &event->xselection;\r
-        fgWarning( "%s: requestor=0x%x, selection=0x%x, target=0x%x, "\r
-                   "property=%lu, time=%lu", fghTypeToString( e->type ),\r
-                   e->requestor, (unsigned long)e->selection,\r
-                   (unsigned long)e->target, (unsigned long)e->property,\r
-                   (unsigned long)e->time );\r
-        break;\r
-    }\r
-\r
-    case ColormapNotify: {\r
-        XColormapEvent *e = &event->xcolormap;\r
-        fgWarning( "%s: window=0x%x, colormap=%lu, new=%s, state=%s",\r
-                   fghTypeToString( e->type ), e->window,\r
-                   (unsigned long)e->colormap, fghBoolToString( e->new ),\r
-                   fghColormapStateToString( e->state ) );\r
-        break;\r
-    }\r
-\r
-    case ClientMessage: {\r
-        XClientMessageEvent *e = &event->xclient;\r
-        char buf[ 61 ];\r
-        char* p = buf;\r
-        char* end = buf + sizeof( buf );\r
-        int i;\r
-        switch( e->format ) {\r
-        case 8:\r
-          for ( i = 0; i < 20; i++, p += 3 ) {\r
-                snprintf( p, end - p, " %02x", e->data.b[ i ] );\r
-            }\r
-            break;\r
-        case 16:\r
-            for ( i = 0; i < 10; i++, p += 5 ) {\r
-                snprintf( p, end - p, " %04x", e->data.s[ i ] );\r
-            }\r
-            break;\r
-        case 32:\r
-            for ( i = 0; i < 5; i++, p += 9 ) {\r
-                snprintf( p, end - p, " %08lx", e->data.l[ i ] );\r
-            }\r
-            break;\r
-        }\r
-        *p = '\0';\r
-        fgWarning( "%s: window=0x%x, message_type=%lu, format=%d, data=(%s )",\r
-                   fghTypeToString( e->type ), e->window,\r
-                   (unsigned long)e->message_type, e->format, buf );\r
-        break;\r
-    }\r
-\r
-    case MappingNotify: {\r
-        XMappingEvent *e = &event->xmapping;\r
-        fgWarning( "%s: window=0x%x, request=%s, first_keycode=%d, count=%d",\r
-                   fghTypeToString( e->type ), e->window,\r
-                   fghMappingRequestToString( e->request ), e->first_keycode,\r
-                   e->count );\r
-        break;\r
-    }\r
-\r
-    default: {\r
-        fgWarning( "%s", fghTypeToString( event->type ) );\r
-        break;\r
-    }\r
-    }\r
-}\r
-\r
-\r
-void fgPlatformProcessSingleEvent ( void )\r
-{\r
-    SFG_Window* window;\r
-    XEvent event;\r
-\r
-    /* This code was repeated constantly, so here it goes into a definition: */\r
-#define GETWINDOW(a)                             \\r
-    window = fgWindowByHandle( event.a.window ); \\r
-    if( window == NULL )                         \\r
-        break;\r
-\r
-#define GETMOUSE(a)                              \\r
-    window->State.MouseX = event.a.x;            \\r
-    window->State.MouseY = event.a.y;\r
-\r
-    FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );\r
-\r
-    while( XPending( fgDisplay.pDisplay.Display ) )\r
-    {\r
-        XNextEvent( fgDisplay.pDisplay.Display, &event );\r
-#if _DEBUG\r
-        fghPrintEvent( &event );\r
-#endif\r
-\r
-        switch( event.type )\r
-        {\r
-        case ClientMessage:\r
-            if(fgIsSpaceballXEvent(&event)) {\r
-                fgSpaceballHandleXEvent(&event);\r
-                break;\r
-            }\r
-            /* Destroy the window when the WM_DELETE_WINDOW message arrives */\r
-            if( (Atom) event.xclient.data.l[ 0 ] == fgDisplay.pDisplay.DeleteWindow )\r
-            {\r
-                GETWINDOW( xclient );\r
-\r
-                fgDestroyWindow ( window );\r
-\r
-                if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )\r
-                {\r
-                    fgDeinitialize( );\r
-                    exit( 0 );\r
-                }\r
-                else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )\r
-                    fgState.ExecState = GLUT_EXEC_STATE_STOP;\r
-\r
-                return;\r
-            }\r
-            break;\r
-\r
-            /*\r
-             * CreateNotify causes a configure-event so that sub-windows are\r
-             * handled compatibly with GLUT.  Otherwise, your sub-windows\r
-             * (in freeglut only) will not get an initial reshape event,\r
-             * which can break things.\r
-             *\r
-             * GLUT presumably does this because it generally tries to treat\r
-             * sub-windows the same as windows.\r
-             */\r
-        case CreateNotify:\r
-        case ConfigureNotify:\r
-            {\r
-                int width, height;\r
-                if( event.type == CreateNotify ) {\r
-                    GETWINDOW( xcreatewindow );\r
-                    width = event.xcreatewindow.width;\r
-                    height = event.xcreatewindow.height;\r
-                } else {\r
-                    GETWINDOW( xconfigure );\r
-                    width = event.xconfigure.width;\r
-                    height = event.xconfigure.height;\r
-                }\r
-\r
-                if( ( width != window->State.pWState.OldWidth ) ||\r
-                    ( height != window->State.pWState.OldHeight ) )\r
-                {\r
-                    SFG_Window *current_window = fgStructure.CurrentWindow;\r
-\r
-                    window->State.pWState.OldWidth = width;\r
-                    window->State.pWState.OldHeight = height;\r
-                    if( FETCH_WCB( *window, Reshape ) )\r
-                        INVOKE_WCB( *window, Reshape, ( width, height ) );\r
-                    else\r
-                    {\r
-                        fgSetWindow( window );\r
-                        glViewport( 0, 0, width, height );\r
-                    }\r
-                    glutPostRedisplay( );\r
-                    if( window->IsMenu )\r
-                        fgSetWindow( current_window );\r
-                }\r
-            }\r
-            break;\r
-\r
-        case DestroyNotify:\r
-            /*\r
-             * This is sent to confirm the XDestroyWindow call.\r
-             *\r
-             * XXX WHY is this commented out?  Should we re-enable it?\r
-             */\r
-            /* fgAddToWindowDestroyList ( window ); */\r
-            break;\r
-\r
-        case Expose:\r
-            /*\r
-             * We are too dumb to process partial exposes...\r
-             *\r
-             * XXX Well, we could do it.  However, it seems to only\r
-             * XXX be potentially useful for single-buffered (since\r
-             * XXX double-buffered does not respect viewport when we\r
-             * XXX do a buffer-swap).\r
-             *\r
-             */\r
-            if( event.xexpose.count == 0 )\r
-            {\r
-                GETWINDOW( xexpose );\r
-                window->State.Redisplay = GL_TRUE;\r
-            }\r
-            break;\r
-\r
-        case MapNotify:\r
-            break;\r
-\r
-        case UnmapNotify:\r
-            /* We get this when iconifying a window. */ \r
-            GETWINDOW( xunmap );\r
-            INVOKE_WCB( *window, WindowStatus, ( GLUT_HIDDEN ) );\r
-            window->State.Visible = GL_FALSE;\r
-            break;\r
-\r
-        case MappingNotify:\r
-            /*\r
-             * Have the client's keyboard knowledge updated (xlib.ps,\r
-             * page 206, says that's a good thing to do)\r
-             */\r
-            XRefreshKeyboardMapping( (XMappingEvent *) &event );\r
-            break;\r
-\r
-        case VisibilityNotify:\r
-        {\r
-            /*\r
-             * Sending this event, the X server can notify us that the window\r
-             * has just acquired one of the three possible visibility states:\r
-             * VisibilityUnobscured, VisibilityPartiallyObscured or\r
-             * VisibilityFullyObscured. Note that we DO NOT receive a\r
-             * VisibilityNotify event when iconifying a window, we only get an\r
-             * UnmapNotify then.\r
-             */\r
-            GETWINDOW( xvisibility );\r
-            switch( event.xvisibility.state )\r
-            {\r
-            case VisibilityUnobscured:\r
-                INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) );\r
-                window->State.Visible = GL_TRUE;\r
-                break;\r
-\r
-            case VisibilityPartiallyObscured:\r
-                INVOKE_WCB( *window, WindowStatus,\r
-                            ( GLUT_PARTIALLY_RETAINED ) );\r
-                window->State.Visible = GL_TRUE;\r
-                break;\r
-\r
-            case VisibilityFullyObscured:\r
-                INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_COVERED ) );\r
-                window->State.Visible = GL_FALSE;\r
-                break;\r
-\r
-            default:\r
-                fgWarning( "Unknown X visibility state: %d",\r
-                           event.xvisibility.state );\r
-                break;\r
-            }\r
-        }\r
-        break;\r
-\r
-        case EnterNotify:\r
-        case LeaveNotify:\r
-            GETWINDOW( xcrossing );\r
-            GETMOUSE( xcrossing );\r
-            if( ( event.type == LeaveNotify ) && window->IsMenu &&\r
-                window->ActiveMenu && window->ActiveMenu->IsActive )\r
-                fgUpdateMenuHighlight( window->ActiveMenu );\r
-\r
-            INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ?\r
-                                          GLUT_ENTERED :\r
-                                          GLUT_LEFT ) );\r
-            break;\r
-\r
-        case MotionNotify:\r
-        {\r
-            GETWINDOW( xmotion );\r
-            GETMOUSE( xmotion );\r
-\r
-            if( window->ActiveMenu )\r
-            {\r
-                if( window == window->ActiveMenu->ParentWindow )\r
-                {\r
-                    window->ActiveMenu->Window->State.MouseX =\r
-                        event.xmotion.x_root - window->ActiveMenu->X;\r
-                    window->ActiveMenu->Window->State.MouseY =\r
-                        event.xmotion.y_root - window->ActiveMenu->Y;\r
-                }\r
-\r
-                fgUpdateMenuHighlight( window->ActiveMenu );\r
-\r
-                break;\r
-            }\r
-\r
-            /*\r
-             * XXX For more than 5 buttons, just check {event.xmotion.state},\r
-             * XXX rather than a host of bit-masks?  Or maybe we need to\r
-             * XXX track ButtonPress/ButtonRelease events in our own\r
-             * XXX bit-mask?\r
-             */\r
-            fgState.Modifiers = fgPlatformGetModifiers( event.xmotion.state );\r
-            if ( event.xmotion.state & ( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) ) {\r
-                INVOKE_WCB( *window, Motion, ( event.xmotion.x,\r
-                                               event.xmotion.y ) );\r
-            } else {\r
-                INVOKE_WCB( *window, Passive, ( event.xmotion.x,\r
-                                                event.xmotion.y ) );\r
-            }\r
-            fgState.Modifiers = INVALID_MODIFIERS;\r
-        }\r
-        break;\r
-\r
-        case ButtonRelease:\r
-        case ButtonPress:\r
-        {\r
-            GLboolean pressed = GL_TRUE;\r
-            int button;\r
-\r
-            if( event.type == ButtonRelease )\r
-                pressed = GL_FALSE ;\r
-\r
-            /*\r
-             * A mouse button has been pressed or released. Traditionally,\r
-             * break if the window was found within the freeglut structures.\r
-             */\r
-            GETWINDOW( xbutton );\r
-            GETMOUSE( xbutton );\r
-\r
-            /*\r
-             * An X button (at least in XFree86) is numbered from 1.\r
-             * A GLUT button is numbered from 0.\r
-             * Old GLUT passed through buttons other than just the first\r
-             * three, though it only gave symbolic names and official\r
-             * support to the first three.\r
-             */\r
-            button = event.xbutton.button - 1;\r
-\r
-            /*\r
-             * Do not execute the application's mouse callback if a menu\r
-             * is hooked to this button.  In that case an appropriate\r
-             * private call should be generated.\r
-             */\r
-            if( fgCheckActiveMenu( window, button, pressed,\r
-                                   event.xbutton.x_root, event.xbutton.y_root ) )\r
-                break;\r
-\r
-            /*\r
-             * Check if there is a mouse or mouse wheel callback hooked to the\r
-             * window\r
-             */\r
-            if( ! FETCH_WCB( *window, Mouse ) &&\r
-                ! FETCH_WCB( *window, MouseWheel ) )\r
-                break;\r
-\r
-            fgState.Modifiers = fgPlatformGetModifiers( event.xbutton.state );\r
-\r
-            /* Finally execute the mouse or mouse wheel callback */\r
-            if( ( button < glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS ) ) || ( ! FETCH_WCB( *window, MouseWheel ) ) )\r
-                INVOKE_WCB( *window, Mouse, ( button,\r
-                                              pressed ? GLUT_DOWN : GLUT_UP,\r
-                                              event.xbutton.x,\r
-                                              event.xbutton.y )\r
-                );\r
-            else\r
-            {\r
-                /*\r
-                 * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1\r
-                 *  "  6 and 7 "    "   one; ...\r
-                 *\r
-                 * XXX This *should* be behind some variables/macros,\r
-                 * XXX since the order and numbering isn't certain\r
-                 * XXX See XFree86 configuration docs (even back in the\r
-                 * XXX 3.x days, and especially with 4.x).\r
-                 *\r
-                 * XXX Note that {button} has already been decremented\r
-                 * XXX in mapping from X button numbering to GLUT.\r
-                                *\r
-                                * XXX Should add support for partial wheel turns as Windows does -- 5/27/11\r
-                 */\r
-                int wheel_number = (button - glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS )) / 2;\r
-                int direction = -1;\r
-                if( button % 2 )\r
-                    direction = 1;\r
-\r
-                if( pressed )\r
-                    INVOKE_WCB( *window, MouseWheel, ( wheel_number,\r
-                                                       direction,\r
-                                                       event.xbutton.x,\r
-                                                       event.xbutton.y )\r
-                    );\r
-            }\r
-            fgState.Modifiers = INVALID_MODIFIERS;\r
-        }\r
-        break;\r
-\r
-        case KeyRelease:\r
-        case KeyPress:\r
-        {\r
-            FGCBKeyboard keyboard_cb;\r
-            FGCBSpecial special_cb;\r
-\r
-            GETWINDOW( xkey );\r
-            GETMOUSE( xkey );\r
-\r
-            /* Detect auto repeated keys, if configured globally or per-window */\r
-\r
-            if ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE )\r
-            {\r
-                if (event.type==KeyRelease)\r
-                {\r
-                    /*\r
-                     * Look at X11 keystate to detect repeat mode.\r
-                     * While X11 says the key is actually held down, we'll ignore KeyRelease/KeyPress pairs.\r
-                     */\r
-\r
-                    char keys[32];\r
-                    XQueryKeymap( fgDisplay.pDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */\r
-\r
-                    if ( event.xkey.keycode<256 )            /* XQueryKeymap is limited to 256 keycodes    */\r
-                    {\r
-                        if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) )\r
-                            window->State.KeyRepeating = GL_TRUE;\r
-                        else\r
-                            window->State.KeyRepeating = GL_FALSE;\r
-                    }\r
-                }\r
-            }\r
-            else\r
-                window->State.KeyRepeating = GL_FALSE;\r
-\r
-            /* Cease processing this event if it is auto repeated */\r
-\r
-            if (window->State.KeyRepeating)\r
-            {\r
-                if (event.type == KeyPress) window->State.KeyRepeating = GL_FALSE;\r
-                break;\r
-            }\r
-\r
-            if( event.type == KeyPress )\r
-            {\r
-                keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard ));\r
-                special_cb  = (FGCBSpecial) ( FETCH_WCB( *window, Special  ));\r
-            }\r
-            else\r
-            {\r
-                keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp ));\r
-                special_cb  = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp  ));\r
-            }\r
-\r
-            /* Is there a keyboard/special callback hooked for this window? */\r
-            if( keyboard_cb || special_cb )\r
-            {\r
-                XComposeStatus composeStatus;\r
-                char asciiCode[ 32 ];\r
-                KeySym keySym;\r
-                int len;\r
-\r
-                /* Check for the ASCII/KeySym codes associated with the event: */\r
-                len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),\r
-                                     &keySym, &composeStatus\r
-                );\r
-\r
-                /* GLUT API tells us to have two separate callbacks... */\r
-                if( len > 0 )\r
-                {\r
-                    /* ...one for the ASCII translateable keypresses... */\r
-                    if( keyboard_cb )\r
-                    {\r
-                        fgSetWindow( window );\r
-                        fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );\r
-                        keyboard_cb( asciiCode[ 0 ],\r
-                                     event.xkey.x, event.xkey.y\r
-                        );\r
-                        fgState.Modifiers = INVALID_MODIFIERS;\r
-                    }\r
-                }\r
-                else\r
-                {\r
-                    int special = -1;\r
-\r
-                    /*\r
-                     * ...and one for all the others, which need to be\r
-                     * translated to GLUT_KEY_Xs...\r
-                     */\r
-                    switch( keySym )\r
-                    {\r
-                    case XK_F1:     special = GLUT_KEY_F1;     break;\r
-                    case XK_F2:     special = GLUT_KEY_F2;     break;\r
-                    case XK_F3:     special = GLUT_KEY_F3;     break;\r
-                    case XK_F4:     special = GLUT_KEY_F4;     break;\r
-                    case XK_F5:     special = GLUT_KEY_F5;     break;\r
-                    case XK_F6:     special = GLUT_KEY_F6;     break;\r
-                    case XK_F7:     special = GLUT_KEY_F7;     break;\r
-                    case XK_F8:     special = GLUT_KEY_F8;     break;\r
-                    case XK_F9:     special = GLUT_KEY_F9;     break;\r
-                    case XK_F10:    special = GLUT_KEY_F10;    break;\r
-                    case XK_F11:    special = GLUT_KEY_F11;    break;\r
-                    case XK_F12:    special = GLUT_KEY_F12;    break;\r
-\r
-                    case XK_KP_Left:\r
-                    case XK_Left:   special = GLUT_KEY_LEFT;   break;\r
-                    case XK_KP_Right:\r
-                    case XK_Right:  special = GLUT_KEY_RIGHT;  break;\r
-                    case XK_KP_Up:\r
-                    case XK_Up:     special = GLUT_KEY_UP;     break;\r
-                    case XK_KP_Down:\r
-                    case XK_Down:   special = GLUT_KEY_DOWN;   break;\r
-\r
-                    case XK_KP_Prior:\r
-                    case XK_Prior:  special = GLUT_KEY_PAGE_UP; break;\r
-                    case XK_KP_Next:\r
-                    case XK_Next:   special = GLUT_KEY_PAGE_DOWN; break;\r
-                    case XK_KP_Home:\r
-                    case XK_Home:   special = GLUT_KEY_HOME;   break;\r
-                    case XK_KP_End:\r
-                    case XK_End:    special = GLUT_KEY_END;    break;\r
-                    case XK_KP_Insert:\r
-                    case XK_Insert: special = GLUT_KEY_INSERT; break;\r
-\r
-                    case XK_Num_Lock :  special = GLUT_KEY_NUM_LOCK;  break;\r
-                    case XK_KP_Begin :  special = GLUT_KEY_BEGIN;     break;\r
-                    case XK_KP_Delete:  special = GLUT_KEY_DELETE;    break;\r
-\r
-                    case XK_Shift_L:   special = GLUT_KEY_SHIFT_L;    break;\r
-                    case XK_Shift_R:   special = GLUT_KEY_SHIFT_R;    break;\r
-                    case XK_Control_L: special = GLUT_KEY_CTRL_L;     break;\r
-                    case XK_Control_R: special = GLUT_KEY_CTRL_R;     break;\r
-                    case XK_Alt_L:     special = GLUT_KEY_ALT_L;      break;\r
-                    case XK_Alt_R:     special = GLUT_KEY_ALT_R;      break;\r
-                    }\r
-\r
-                    /*\r
-                     * Execute the callback (if one has been specified),\r
-                     * given that the special code seems to be valid...\r
-                     */\r
-                    if( special_cb && (special != -1) )\r
-                    {\r
-                        fgSetWindow( window );\r
-                        fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );\r
-                        special_cb( special, event.xkey.x, event.xkey.y );\r
-                        fgState.Modifiers = INVALID_MODIFIERS;\r
-                    }\r
-                }\r
-            }\r
-        }\r
-        break;\r
-\r
-        case ReparentNotify:\r
-            break; /* XXX Should disable this event */\r
-\r
-        /* Not handled */\r
-        case GravityNotify:\r
-            break;\r
-\r
-        default:\r
-            /* enter handling of Extension Events here */\r
-            #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H\r
-                fgHandleExtensionEvents( &event );\r
-            #endif\r
-            break;\r
-        }\r
-    }\r
-}\r
-\r
-\r
-void fgPlatformMainLoopPreliminaryWork ( void )\r
-{\r
-}\r
-#endif\r
 \r
 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */\r
 \r
index e69de29..1e982d7 100644 (file)
+/*\r
+ * freeglut_main_x11.c\r
+ *\r
+ * The X11-specific windows message processing methods.\r
+ *\r
+ * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.\r
+ * Written by Pawel W. Olszta, <olszta@sourceforge.net>\r
+ * Copied for Platform code by Evan Felix <karcaw at gmail.com>\r
+ * Creation date: Thur Feb 2 2012\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the "Software"),\r
+ * to deal in the Software without restriction, including without limitation\r
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,\r
+ * and/or sell copies of the Software, and to permit persons to whom the\r
+ * Software is furnished to do so, subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included\r
+ * in all copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS\r
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL\r
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ */\r
+\r
+#include <GL/freeglut.h>\r
+#include "freeglut_internal.h"\r
+#ifdef HAVE_ERRNO_H\r
+#    include <errno.h>\r
+#endif\r
+#include <stdarg.h>\r
+#ifdef  HAVE_VFPRINTF\r
+#    define VFPRINTF(s,f,a) vfprintf((s),(f),(a))\r
+#elif defined(HAVE__DOPRNT)\r
+#    define VFPRINTF(s,f,a) _doprnt((f),(a),(s))\r
+#else\r
+#    define VFPRINTF(s,f,a)\r
+#endif\r
+\r
+/*\r
+ * Try to get the maximum value allowed for ints, falling back to the minimum\r
+ * guaranteed by ISO C99 if there is no suitable header.\r
+ */\r
+#ifdef HAVE_LIMITS_H\r
+#    include <limits.h>\r
+#endif\r
+#ifndef INT_MAX\r
+#    define INT_MAX 32767\r
+#endif\r
+\r
+#ifndef MIN\r
+#    define MIN(a,b) (((a)<(b)) ? (a) : (b))\r
+#endif\r
+\r
+/*\r
+ * TODO BEFORE THE STABLE RELEASE:\r
+ *\r
+ * There are some issues concerning window redrawing under X11, and maybe\r
+ * some events are not handled. The Win32 version lacks some more features,\r
+ * but seems acceptable for not demanding purposes.\r
+ *\r
+ * Need to investigate why the X11 version breaks out with an error when\r
+ * closing a window (using the window manager, not glutDestroyWindow)...\r
+ */\r
\r
\r
+/*\r
+ * Handle a window configuration change. When no reshape\r
+ * callback is hooked, the viewport size is updated to\r
+ * match the new window size.\r
+ */\r
+void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )\r
+{\r
+    XResizeWindow( fgDisplay.pDisplay.Display, window->Window.Handle,\r
+                   width, height );\r
+    XFlush( fgDisplay.pDisplay.Display ); /* XXX Shouldn't need this */\r
+}\r
+\r
+\r
+/*\r
+ * A static helper function to execute display callback for a window\r
+ */\r
+void fgPlatformDisplayWindow ( SFG_Window *window )\r
+{\r
+        fghRedrawWindow ( window ) ;\r
+}\r
+\r
+\r
+unsigned long fgPlatformSystemTime ( void )\r
+{\r
+#if TARGET_HOST_SOLARIS || HAVE_GETTIMEOFDAY\r
+    struct timeval now;\r
+    gettimeofday( &now, NULL );\r
+    return now.tv_usec/1000 + now.tv_sec*1000;\r
+#endif\r
+}\r
+\r
+/*\r
+ * Does the magic required to relinquish the CPU until something interesting\r
+ * happens.\r
+ */\r
+\r
+void fgPlatformSleepForEvents( long msec )\r
+{\r
+    /*\r
+     * Possibly due to aggressive use of XFlush() and friends,\r
+     * it is possible to have our socket drained but still have\r
+     * unprocessed events.  (Or, this may just be normal with\r
+     * X, anyway?)  We do non-trivial processing of X events\r
+     * after the event-reading loop, in any case, so we\r
+     * need to allow that we may have an empty socket but non-\r
+     * empty event queue.\r
+     */\r
+    if( ! XPending( fgDisplay.pDisplay.Display ) )\r
+    {\r
+        fd_set fdset;\r
+        int err;\r
+        int socket;\r
+        struct timeval wait;\r
+\r
+        socket = ConnectionNumber( fgDisplay.pDisplay.Display );\r
+        FD_ZERO( &fdset );\r
+        FD_SET( socket, &fdset );\r
+        wait.tv_sec = msec / 1000;\r
+        wait.tv_usec = (msec % 1000) * 1000;\r
+        err = select( socket+1, &fdset, NULL, NULL, &wait );\r
+\r
+#ifdef HAVE_ERRNO_H\r
+        if( ( -1 == err ) && ( errno != EINTR ) )\r
+            fgWarning ( "freeglut select() error: %d", errno );\r
+#endif\r
+    }\r
+}\r
+\r
+\r
+/*\r
+ * Returns GLUT modifier mask for the state field of an X11 event.\r
+ */\r
+int fgPlatformGetModifiers( int state )\r
+{\r
+    int ret = 0;\r
+\r
+    if( state & ( ShiftMask | LockMask ) )\r
+        ret |= GLUT_ACTIVE_SHIFT;\r
+    if( state & ControlMask )\r
+        ret |= GLUT_ACTIVE_CTRL;\r
+    if( state & Mod1Mask )\r
+        ret |= GLUT_ACTIVE_ALT;\r
+\r
+    return ret;\r
+}\r
+\r
+static const char* fghTypeToString( int type )\r
+{\r
+    switch( type ) {\r
+    case KeyPress: return "KeyPress";\r
+    case KeyRelease: return "KeyRelease";\r
+    case ButtonPress: return "ButtonPress";\r
+    case ButtonRelease: return "ButtonRelease";\r
+    case MotionNotify: return "MotionNotify";\r
+    case EnterNotify: return "EnterNotify";\r
+    case LeaveNotify: return "LeaveNotify";\r
+    case FocusIn: return "FocusIn";\r
+    case FocusOut: return "FocusOut";\r
+    case KeymapNotify: return "KeymapNotify";\r
+    case Expose: return "Expose";\r
+    case GraphicsExpose: return "GraphicsExpose";\r
+    case NoExpose: return "NoExpose";\r
+    case VisibilityNotify: return "VisibilityNotify";\r
+    case CreateNotify: return "CreateNotify";\r
+    case DestroyNotify: return "DestroyNotify";\r
+    case UnmapNotify: return "UnmapNotify";\r
+    case MapNotify: return "MapNotify";\r
+    case MapRequest: return "MapRequest";\r
+    case ReparentNotify: return "ReparentNotify";\r
+    case ConfigureNotify: return "ConfigureNotify";\r
+    case ConfigureRequest: return "ConfigureRequest";\r
+    case GravityNotify: return "GravityNotify";\r
+    case ResizeRequest: return "ResizeRequest";\r
+    case CirculateNotify: return "CirculateNotify";\r
+    case CirculateRequest: return "CirculateRequest";\r
+    case PropertyNotify: return "PropertyNotify";\r
+    case SelectionClear: return "SelectionClear";\r
+    case SelectionRequest: return "SelectionRequest";\r
+    case SelectionNotify: return "SelectionNotify";\r
+    case ColormapNotify: return "ColormapNotify";\r
+    case ClientMessage: return "ClientMessage";\r
+    case MappingNotify: return "MappingNotify";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghBoolToString( Bool b )\r
+{\r
+    return b == False ? "False" : "True";\r
+}\r
+\r
+static const char* fghNotifyHintToString( char is_hint )\r
+{\r
+    switch( is_hint ) {\r
+    case NotifyNormal: return "NotifyNormal";\r
+    case NotifyHint: return "NotifyHint";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghNotifyModeToString( int mode )\r
+{\r
+    switch( mode ) {\r
+    case NotifyNormal: return "NotifyNormal";\r
+    case NotifyGrab: return "NotifyGrab";\r
+    case NotifyUngrab: return "NotifyUngrab";\r
+    case NotifyWhileGrabbed: return "NotifyWhileGrabbed";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghNotifyDetailToString( int detail )\r
+{\r
+    switch( detail ) {\r
+    case NotifyAncestor: return "NotifyAncestor";\r
+    case NotifyVirtual: return "NotifyVirtual";\r
+    case NotifyInferior: return "NotifyInferior";\r
+    case NotifyNonlinear: return "NotifyNonlinear";\r
+    case NotifyNonlinearVirtual: return "NotifyNonlinearVirtual";\r
+    case NotifyPointer: return "NotifyPointer";\r
+    case NotifyPointerRoot: return "NotifyPointerRoot";\r
+    case NotifyDetailNone: return "NotifyDetailNone";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghVisibilityToString( int state ) {\r
+    switch( state ) {\r
+    case VisibilityUnobscured: return "VisibilityUnobscured";\r
+    case VisibilityPartiallyObscured: return "VisibilityPartiallyObscured";\r
+    case VisibilityFullyObscured: return "VisibilityFullyObscured";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghConfigureDetailToString( int detail )\r
+{\r
+    switch( detail ) {\r
+    case Above: return "Above";\r
+    case Below: return "Below";\r
+    case TopIf: return "TopIf";\r
+    case BottomIf: return "BottomIf";\r
+    case Opposite: return "Opposite";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghPlaceToString( int place )\r
+{\r
+    switch( place ) {\r
+    case PlaceOnTop: return "PlaceOnTop";\r
+    case PlaceOnBottom: return "PlaceOnBottom";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghMappingRequestToString( int request )\r
+{\r
+    switch( request ) {\r
+    case MappingModifier: return "MappingModifier";\r
+    case MappingKeyboard: return "MappingKeyboard";\r
+    case MappingPointer: return "MappingPointer";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghPropertyStateToString( int state )\r
+{\r
+    switch( state ) {\r
+    case PropertyNewValue: return "PropertyNewValue";\r
+    case PropertyDelete: return "PropertyDelete";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static const char* fghColormapStateToString( int state )\r
+{\r
+    switch( state ) {\r
+    case ColormapUninstalled: return "ColormapUninstalled";\r
+    case ColormapInstalled: return "ColormapInstalled";\r
+    default: return "UNKNOWN";\r
+    }\r
+}\r
+\r
+static void fghPrintEvent( XEvent *event )\r
+{\r
+    switch( event->type ) {\r
+\r
+    case KeyPress:\r
+    case KeyRelease: {\r
+        XKeyEvent *e = &event->xkey;\r
+        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
+                   "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "\r
+                   "keycode=%u, same_screen=%s", fghTypeToString( e->type ),\r
+                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
+                   e->x, e->y, e->x_root, e->y_root, e->state, e->keycode,\r
+                   fghBoolToString( e->same_screen ) );\r
+        break;\r
+    }\r
+\r
+    case ButtonPress:\r
+    case ButtonRelease: {\r
+        XButtonEvent *e = &event->xbutton;\r
+        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
+                   "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "\r
+                   "button=%u, same_screen=%d", fghTypeToString( e->type ),\r
+                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
+                   e->x, e->y, e->x_root, e->y_root, e->state, e->button,\r
+                   fghBoolToString( e->same_screen ) );\r
+        break;\r
+    }\r
+\r
+    case MotionNotify: {\r
+        XMotionEvent *e = &event->xmotion;\r
+        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
+                   "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "\r
+                   "is_hint=%s, same_screen=%d", fghTypeToString( e->type ),\r
+                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
+                   e->x, e->y, e->x_root, e->y_root, e->state,\r
+                   fghNotifyHintToString( e->is_hint ),\r
+                   fghBoolToString( e->same_screen ) );\r
+        break;\r
+    }\r
+\r
+    case EnterNotify:\r
+    case LeaveNotify: {\r
+        XCrossingEvent *e = &event->xcrossing;\r
+        fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "\r
+                   "(x,y)=(%d,%d), mode=%s, detail=%s, same_screen=%d, "\r
+                   "focus=%d, state=0x%x", fghTypeToString( e->type ),\r
+                   e->window, e->root, e->subwindow, (unsigned long)e->time,\r
+                   e->x, e->y, fghNotifyModeToString( e->mode ),\r
+                   fghNotifyDetailToString( e->detail ), (int)e->same_screen,\r
+                   (int)e->focus, e->state );\r
+        break;\r
+    }\r
+\r
+    case FocusIn:\r
+    case FocusOut: {\r
+        XFocusChangeEvent *e = &event->xfocus;\r
+        fgWarning( "%s: window=0x%x, mode=%s, detail=%s",\r
+                   fghTypeToString( e->type ), e->window,\r
+                   fghNotifyModeToString( e->mode ),\r
+                   fghNotifyDetailToString( e->detail ) );\r
+        break;\r
+    }\r
+\r
+    case KeymapNotify: {\r
+        XKeymapEvent *e = &event->xkeymap;\r
+        char buf[32 * 2 + 1];\r
+        int i;\r
+        for ( i = 0; i < 32; i++ ) {\r
+            snprintf( &buf[ i * 2 ], sizeof( buf ) - i * 2,\r
+                      "%02x", e->key_vector[ i ] );\r
+        }\r
+        buf[ i ] = '\0';\r
+        fgWarning( "%s: window=0x%x, %s", fghTypeToString( e->type ), e->window,\r
+                   buf );\r
+        break;\r
+    }\r
+\r
+    case Expose: {\r
+        XExposeEvent *e = &event->xexpose;\r
+        fgWarning( "%s: window=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "\r
+                   "count=%d", fghTypeToString( e->type ), e->window, e->x,\r
+                   e->y, e->width, e->height, e->count );\r
+        break;\r
+    }\r
+\r
+    case GraphicsExpose: {\r
+        XGraphicsExposeEvent *e = &event->xgraphicsexpose;\r
+        fgWarning( "%s: drawable=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "\r
+                   "count=%d, (major_code,minor_code)=(%d,%d)",\r
+                   fghTypeToString( e->type ), e->drawable, e->x, e->y,\r
+                   e->width, e->height, e->count, e->major_code,\r
+                   e->minor_code );\r
+        break;\r
+    }\r
+\r
+    case NoExpose: {\r
+        XNoExposeEvent *e = &event->xnoexpose;\r
+        fgWarning( "%s: drawable=0x%x, (major_code,minor_code)=(%d,%d)",\r
+                   fghTypeToString( e->type ), e->drawable, e->major_code,\r
+                   e->minor_code );\r
+        break;\r
+    }\r
+\r
+    case VisibilityNotify: {\r
+        XVisibilityEvent *e = &event->xvisibility;\r
+        fgWarning( "%s: window=0x%x, state=%s", fghTypeToString( e->type ),\r
+                   e->window, fghVisibilityToString( e->state) );\r
+        break;\r
+    }\r
+\r
+    case CreateNotify: {\r
+        XCreateWindowEvent *e = &event->xcreatewindow;\r
+        fgWarning( "%s: (x,y)=(%d,%d), (width,height)=(%d,%d), border_width=%d, "\r
+                   "window=0x%x, override_redirect=%s",\r
+                   fghTypeToString( e->type ), e->x, e->y, e->width, e->height,\r
+                   e->border_width, e->window,\r
+                   fghBoolToString( e->override_redirect ) );\r
+        break;\r
+    }\r
+\r
+    case DestroyNotify: {\r
+        XDestroyWindowEvent *e = &event->xdestroywindow;\r
+        fgWarning( "%s: event=0x%x, window=0x%x",\r
+                   fghTypeToString( e->type ), e->event, e->window );\r
+        break;\r
+    }\r
+\r
+    case UnmapNotify: {\r
+        XUnmapEvent *e = &event->xunmap;\r
+        fgWarning( "%s: event=0x%x, window=0x%x, from_configure=%s",\r
+                   fghTypeToString( e->type ), e->event, e->window,\r
+                   fghBoolToString( e->from_configure ) );\r
+        break;\r
+    }\r
+\r
+    case MapNotify: {\r
+        XMapEvent *e = &event->xmap;\r
+        fgWarning( "%s: event=0x%x, window=0x%x, override_redirect=%s",\r
+                   fghTypeToString( e->type ), e->event, e->window,\r
+                   fghBoolToString( e->override_redirect ) );\r
+        break;\r
+    }\r
+\r
+    case MapRequest: {\r
+        XMapRequestEvent *e = &event->xmaprequest;\r
+        fgWarning( "%s: parent=0x%x, window=0x%x",\r
+                   fghTypeToString( event->type ), e->parent, e->window );\r
+        break;\r
+    }\r
+\r
+    case ReparentNotify: {\r
+        XReparentEvent *e = &event->xreparent;\r
+        fgWarning( "%s: event=0x%x, window=0x%x, parent=0x%x, (x,y)=(%d,%d), "\r
+                   "override_redirect=%s", fghTypeToString( e->type ),\r
+                   e->event, e->window, e->parent, e->x, e->y,\r
+                   fghBoolToString( e->override_redirect ) );\r
+        break;\r
+    }\r
+\r
+    case ConfigureNotify: {\r
+        XConfigureEvent *e = &event->xconfigure;\r
+        fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d), "\r
+                   "(width,height)=(%d,%d), border_width=%d, above=0x%x, "\r
+                   "override_redirect=%s", fghTypeToString( e->type ), e->event,\r
+                   e->window, e->x, e->y, e->width, e->height, e->border_width,\r
+                   e->above, fghBoolToString( e->override_redirect ) );\r
+        break;\r
+    }\r
+\r
+    case ConfigureRequest: {\r
+        XConfigureRequestEvent *e = &event->xconfigurerequest;\r
+        fgWarning( "%s: parent=0x%x, window=0x%x, (x,y)=(%d,%d), "\r
+                   "(width,height)=(%d,%d), border_width=%d, above=0x%x, "\r
+                   "detail=%s, value_mask=%lx", fghTypeToString( e->type ),\r
+                   e->parent, e->window, e->x, e->y, e->width, e->height,\r
+                   e->border_width, e->above,\r
+                   fghConfigureDetailToString( e->detail ), e->value_mask );\r
+        break;\r
+    }\r
+\r
+    case GravityNotify: {\r
+        XGravityEvent *e = &event->xgravity;\r
+        fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d)",\r
+                   fghTypeToString( e->type ), e->event, e->window, e->x, e->y );\r
+        break;\r
+    }\r
+\r
+    case ResizeRequest: {\r
+        XResizeRequestEvent *e = &event->xresizerequest;\r
+        fgWarning( "%s: window=0x%x, (width,height)=(%d,%d)",\r
+                   fghTypeToString( e->type ), e->window, e->width, e->height );\r
+        break;\r
+    }\r
+\r
+    case CirculateNotify: {\r
+        XCirculateEvent *e = &event->xcirculate;\r
+        fgWarning( "%s: event=0x%x, window=0x%x, place=%s",\r
+                   fghTypeToString( e->type ), e->event, e->window,\r
+                   fghPlaceToString( e->place ) );\r
+        break;\r
+    }\r
+\r
+    case CirculateRequest: {\r
+        XCirculateRequestEvent *e = &event->xcirculaterequest;\r
+        fgWarning( "%s: parent=0x%x, window=0x%x, place=%s",\r
+                   fghTypeToString( e->type ), e->parent, e->window,\r
+                   fghPlaceToString( e->place ) );\r
+        break;\r
+    }\r
+\r
+    case PropertyNotify: {\r
+        XPropertyEvent *e = &event->xproperty;\r
+        fgWarning( "%s: window=0x%x, atom=%lu, time=%lu, state=%s",\r
+                   fghTypeToString( e->type ), e->window,\r
+                   (unsigned long)e->atom, (unsigned long)e->time,\r
+                   fghPropertyStateToString( e->state ) );\r
+        break;\r
+    }\r
+\r
+    case SelectionClear: {\r
+        XSelectionClearEvent *e = &event->xselectionclear;\r
+        fgWarning( "%s: window=0x%x, selection=%lu, time=%lu",\r
+                   fghTypeToString( e->type ), e->window,\r
+                   (unsigned long)e->selection, (unsigned long)e->time );\r
+        break;\r
+    }\r
+\r
+    case SelectionRequest: {\r
+        XSelectionRequestEvent *e = &event->xselectionrequest;\r
+        fgWarning( "%s: owner=0x%x, requestor=0x%x, selection=0x%x, "\r
+                   "target=0x%x, property=%lu, time=%lu",\r
+                   fghTypeToString( e->type ), e->owner, e->requestor,\r
+                   (unsigned long)e->selection, (unsigned long)e->target,\r
+                   (unsigned long)e->property, (unsigned long)e->time );\r
+        break;\r
+    }\r
+\r
+    case SelectionNotify: {\r
+        XSelectionEvent *e = &event->xselection;\r
+        fgWarning( "%s: requestor=0x%x, selection=0x%x, target=0x%x, "\r
+                   "property=%lu, time=%lu", fghTypeToString( e->type ),\r
+                   e->requestor, (unsigned long)e->selection,\r
+                   (unsigned long)e->target, (unsigned long)e->property,\r
+                   (unsigned long)e->time );\r
+        break;\r
+    }\r
+\r
+    case ColormapNotify: {\r
+        XColormapEvent *e = &event->xcolormap;\r
+        fgWarning( "%s: window=0x%x, colormap=%lu, new=%s, state=%s",\r
+                   fghTypeToString( e->type ), e->window,\r
+                   (unsigned long)e->colormap, fghBoolToString( e->new ),\r
+                   fghColormapStateToString( e->state ) );\r
+        break;\r
+    }\r
+\r
+    case ClientMessage: {\r
+        XClientMessageEvent *e = &event->xclient;\r
+        char buf[ 61 ];\r
+        char* p = buf;\r
+        char* end = buf + sizeof( buf );\r
+        int i;\r
+        switch( e->format ) {\r
+        case 8:\r
+          for ( i = 0; i < 20; i++, p += 3 ) {\r
+                snprintf( p, end - p, " %02x", e->data.b[ i ] );\r
+            }\r
+            break;\r
+        case 16:\r
+            for ( i = 0; i < 10; i++, p += 5 ) {\r
+                snprintf( p, end - p, " %04x", e->data.s[ i ] );\r
+            }\r
+            break;\r
+        case 32:\r
+            for ( i = 0; i < 5; i++, p += 9 ) {\r
+                snprintf( p, end - p, " %08lx", e->data.l[ i ] );\r
+            }\r
+            break;\r
+        }\r
+        *p = '\0';\r
+        fgWarning( "%s: window=0x%x, message_type=%lu, format=%d, data=(%s )",\r
+                   fghTypeToString( e->type ), e->window,\r
+                   (unsigned long)e->message_type, e->format, buf );\r
+        break;\r
+    }\r
+\r
+    case MappingNotify: {\r
+        XMappingEvent *e = &event->xmapping;\r
+        fgWarning( "%s: window=0x%x, request=%s, first_keycode=%d, count=%d",\r
+                   fghTypeToString( e->type ), e->window,\r
+                   fghMappingRequestToString( e->request ), e->first_keycode,\r
+                   e->count );\r
+        break;\r
+    }\r
+\r
+    default: {\r
+        fgWarning( "%s", fghTypeToString( event->type ) );\r
+        break;\r
+    }\r
+    }\r
+}\r
+\r
+\r
+void fgPlatformProcessSingleEvent ( void )\r
+{\r
+    SFG_Window* window;\r
+    XEvent event;\r
+\r
+    /* This code was repeated constantly, so here it goes into a definition: */\r
+#define GETWINDOW(a)                             \\r
+    window = fgWindowByHandle( event.a.window ); \\r
+    if( window == NULL )                         \\r
+        break;\r
+\r
+#define GETMOUSE(a)                              \\r
+    window->State.MouseX = event.a.x;            \\r
+    window->State.MouseY = event.a.y;\r
+\r
+    FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );\r
+\r
+    while( XPending( fgDisplay.pDisplay.Display ) )\r
+    {\r
+        XNextEvent( fgDisplay.pDisplay.Display, &event );\r
+#if _DEBUG\r
+        fghPrintEvent( &event );\r
+#endif\r
+\r
+        switch( event.type )\r
+        {\r
+        case ClientMessage:\r
+            if(fgIsSpaceballXEvent(&event)) {\r
+                fgSpaceballHandleXEvent(&event);\r
+                break;\r
+            }\r
+            /* Destroy the window when the WM_DELETE_WINDOW message arrives */\r
+            if( (Atom) event.xclient.data.l[ 0 ] == fgDisplay.pDisplay.DeleteWindow )\r
+            {\r
+                GETWINDOW( xclient );\r
+\r
+                fgDestroyWindow ( window );\r
+\r
+                if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )\r
+                {\r
+                    fgDeinitialize( );\r
+                    exit( 0 );\r
+                }\r
+                else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )\r
+                    fgState.ExecState = GLUT_EXEC_STATE_STOP;\r
+\r
+                return;\r
+            }\r
+            break;\r
+\r
+            /*\r
+             * CreateNotify causes a configure-event so that sub-windows are\r
+             * handled compatibly with GLUT.  Otherwise, your sub-windows\r
+             * (in freeglut only) will not get an initial reshape event,\r
+             * which can break things.\r
+             *\r
+             * GLUT presumably does this because it generally tries to treat\r
+             * sub-windows the same as windows.\r
+             */\r
+        case CreateNotify:\r
+        case ConfigureNotify:\r
+            {\r
+                int width, height;\r
+                if( event.type == CreateNotify ) {\r
+                    GETWINDOW( xcreatewindow );\r
+                    width = event.xcreatewindow.width;\r
+                    height = event.xcreatewindow.height;\r
+                } else {\r
+                    GETWINDOW( xconfigure );\r
+                    width = event.xconfigure.width;\r
+                    height = event.xconfigure.height;\r
+                }\r
+\r
+                if( ( width != window->State.pWState.OldWidth ) ||\r
+                    ( height != window->State.pWState.OldHeight ) )\r
+                {\r
+                    SFG_Window *current_window = fgStructure.CurrentWindow;\r
+\r
+                    window->State.pWState.OldWidth = width;\r
+                    window->State.pWState.OldHeight = height;\r
+                    if( FETCH_WCB( *window, Reshape ) )\r
+                        INVOKE_WCB( *window, Reshape, ( width, height ) );\r
+                    else\r
+                    {\r
+                        fgSetWindow( window );\r
+                        glViewport( 0, 0, width, height );\r
+                    }\r
+                    glutPostRedisplay( );\r
+                    if( window->IsMenu )\r
+                        fgSetWindow( current_window );\r
+                }\r
+            }\r
+            break;\r
+\r
+        case DestroyNotify:\r
+            /*\r
+             * This is sent to confirm the XDestroyWindow call.\r
+             *\r
+             * XXX WHY is this commented out?  Should we re-enable it?\r
+             */\r
+            /* fgAddToWindowDestroyList ( window ); */\r
+            break;\r
+\r
+        case Expose:\r
+            /*\r
+             * We are too dumb to process partial exposes...\r
+             *\r
+             * XXX Well, we could do it.  However, it seems to only\r
+             * XXX be potentially useful for single-buffered (since\r
+             * XXX double-buffered does not respect viewport when we\r
+             * XXX do a buffer-swap).\r
+             *\r
+             */\r
+            if( event.xexpose.count == 0 )\r
+            {\r
+                GETWINDOW( xexpose );\r
+                window->State.Redisplay = GL_TRUE;\r
+            }\r
+            break;\r
+\r
+        case MapNotify:\r
+            break;\r
+\r
+        case UnmapNotify:\r
+            /* We get this when iconifying a window. */ \r
+            GETWINDOW( xunmap );\r
+            INVOKE_WCB( *window, WindowStatus, ( GLUT_HIDDEN ) );\r
+            window->State.Visible = GL_FALSE;\r
+            break;\r
+\r
+        case MappingNotify:\r
+            /*\r
+             * Have the client's keyboard knowledge updated (xlib.ps,\r
+             * page 206, says that's a good thing to do)\r
+             */\r
+            XRefreshKeyboardMapping( (XMappingEvent *) &event );\r
+            break;\r
+\r
+        case VisibilityNotify:\r
+        {\r
+            /*\r
+             * Sending this event, the X server can notify us that the window\r
+             * has just acquired one of the three possible visibility states:\r
+             * VisibilityUnobscured, VisibilityPartiallyObscured or\r
+             * VisibilityFullyObscured. Note that we DO NOT receive a\r
+             * VisibilityNotify event when iconifying a window, we only get an\r
+             * UnmapNotify then.\r
+             */\r
+            GETWINDOW( xvisibility );\r
+            switch( event.xvisibility.state )\r
+            {\r
+            case VisibilityUnobscured:\r
+                INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) );\r
+                window->State.Visible = GL_TRUE;\r
+                break;\r
+\r
+            case VisibilityPartiallyObscured:\r
+                INVOKE_WCB( *window, WindowStatus,\r
+                            ( GLUT_PARTIALLY_RETAINED ) );\r
+                window->State.Visible = GL_TRUE;\r
+                break;\r
+\r
+            case VisibilityFullyObscured:\r
+                INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_COVERED ) );\r
+                window->State.Visible = GL_FALSE;\r
+                break;\r
+\r
+            default:\r
+                fgWarning( "Unknown X visibility state: %d",\r
+                           event.xvisibility.state );\r
+                break;\r
+            }\r
+        }\r
+        break;\r
+\r
+        case EnterNotify:\r
+        case LeaveNotify:\r
+            GETWINDOW( xcrossing );\r
+            GETMOUSE( xcrossing );\r
+            if( ( event.type == LeaveNotify ) && window->IsMenu &&\r
+                window->ActiveMenu && window->ActiveMenu->IsActive )\r
+                fgUpdateMenuHighlight( window->ActiveMenu );\r
+\r
+            INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ?\r
+                                          GLUT_ENTERED :\r
+                                          GLUT_LEFT ) );\r
+            break;\r
+\r
+        case MotionNotify:\r
+        {\r
+            GETWINDOW( xmotion );\r
+            GETMOUSE( xmotion );\r
+\r
+            if( window->ActiveMenu )\r
+            {\r
+                if( window == window->ActiveMenu->ParentWindow )\r
+                {\r
+                    window->ActiveMenu->Window->State.MouseX =\r
+                        event.xmotion.x_root - window->ActiveMenu->X;\r
+                    window->ActiveMenu->Window->State.MouseY =\r
+                        event.xmotion.y_root - window->ActiveMenu->Y;\r
+                }\r
+\r
+                fgUpdateMenuHighlight( window->ActiveMenu );\r
+\r
+                break;\r
+            }\r
+\r
+            /*\r
+             * XXX For more than 5 buttons, just check {event.xmotion.state},\r
+             * XXX rather than a host of bit-masks?  Or maybe we need to\r
+             * XXX track ButtonPress/ButtonRelease events in our own\r
+             * XXX bit-mask?\r
+             */\r
+            fgState.Modifiers = fgPlatformGetModifiers( event.xmotion.state );\r
+            if ( event.xmotion.state & ( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) ) {\r
+                INVOKE_WCB( *window, Motion, ( event.xmotion.x,\r
+                                               event.xmotion.y ) );\r
+            } else {\r
+                INVOKE_WCB( *window, Passive, ( event.xmotion.x,\r
+                                                event.xmotion.y ) );\r
+            }\r
+            fgState.Modifiers = INVALID_MODIFIERS;\r
+        }\r
+        break;\r
+\r
+        case ButtonRelease:\r
+        case ButtonPress:\r
+        {\r
+            GLboolean pressed = GL_TRUE;\r
+            int button;\r
+\r
+            if( event.type == ButtonRelease )\r
+                pressed = GL_FALSE ;\r
+\r
+            /*\r
+             * A mouse button has been pressed or released. Traditionally,\r
+             * break if the window was found within the freeglut structures.\r
+             */\r
+            GETWINDOW( xbutton );\r
+            GETMOUSE( xbutton );\r
+\r
+            /*\r
+             * An X button (at least in XFree86) is numbered from 1.\r
+             * A GLUT button is numbered from 0.\r
+             * Old GLUT passed through buttons other than just the first\r
+             * three, though it only gave symbolic names and official\r
+             * support to the first three.\r
+             */\r
+            button = event.xbutton.button - 1;\r
+\r
+            /*\r
+             * Do not execute the application's mouse callback if a menu\r
+             * is hooked to this button.  In that case an appropriate\r
+             * private call should be generated.\r
+             */\r
+            if( fgCheckActiveMenu( window, button, pressed,\r
+                                   event.xbutton.x_root, event.xbutton.y_root ) )\r
+                break;\r
+\r
+            /*\r
+             * Check if there is a mouse or mouse wheel callback hooked to the\r
+             * window\r
+             */\r
+            if( ! FETCH_WCB( *window, Mouse ) &&\r
+                ! FETCH_WCB( *window, MouseWheel ) )\r
+                break;\r
+\r
+            fgState.Modifiers = fgPlatformGetModifiers( event.xbutton.state );\r
+\r
+            /* Finally execute the mouse or mouse wheel callback */\r
+            if( ( button < glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS ) ) || ( ! FETCH_WCB( *window, MouseWheel ) ) )\r
+                INVOKE_WCB( *window, Mouse, ( button,\r
+                                              pressed ? GLUT_DOWN : GLUT_UP,\r
+                                              event.xbutton.x,\r
+                                              event.xbutton.y )\r
+                );\r
+            else\r
+            {\r
+                /*\r
+                 * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1\r
+                 *  "  6 and 7 "    "   one; ...\r
+                 *\r
+                 * XXX This *should* be behind some variables/macros,\r
+                 * XXX since the order and numbering isn't certain\r
+                 * XXX See XFree86 configuration docs (even back in the\r
+                 * XXX 3.x days, and especially with 4.x).\r
+                 *\r
+                 * XXX Note that {button} has already been decremented\r
+                 * XXX in mapping from X button numbering to GLUT.\r
+                                *\r
+                                * XXX Should add support for partial wheel turns as Windows does -- 5/27/11\r
+                 */\r
+                int wheel_number = (button - glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS )) / 2;\r
+                int direction = -1;\r
+                if( button % 2 )\r
+                    direction = 1;\r
+\r
+                if( pressed )\r
+                    INVOKE_WCB( *window, MouseWheel, ( wheel_number,\r
+                                                       direction,\r
+                                                       event.xbutton.x,\r
+                                                       event.xbutton.y )\r
+                    );\r
+            }\r
+            fgState.Modifiers = INVALID_MODIFIERS;\r
+        }\r
+        break;\r
+\r
+        case KeyRelease:\r
+        case KeyPress:\r
+        {\r
+            FGCBKeyboard keyboard_cb;\r
+            FGCBSpecial special_cb;\r
+\r
+            GETWINDOW( xkey );\r
+            GETMOUSE( xkey );\r
+\r
+            /* Detect auto repeated keys, if configured globally or per-window */\r
+\r
+            if ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE )\r
+            {\r
+                if (event.type==KeyRelease)\r
+                {\r
+                    /*\r
+                     * Look at X11 keystate to detect repeat mode.\r
+                     * While X11 says the key is actually held down, we'll ignore KeyRelease/KeyPress pairs.\r
+                     */\r
+\r
+                    char keys[32];\r
+                    XQueryKeymap( fgDisplay.pDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */\r
+\r
+                    if ( event.xkey.keycode<256 )            /* XQueryKeymap is limited to 256 keycodes    */\r
+                    {\r
+                        if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) )\r
+                            window->State.KeyRepeating = GL_TRUE;\r
+                        else\r
+                            window->State.KeyRepeating = GL_FALSE;\r
+                    }\r
+                }\r
+            }\r
+            else\r
+                window->State.KeyRepeating = GL_FALSE;\r
+\r
+            /* Cease processing this event if it is auto repeated */\r
+\r
+            if (window->State.KeyRepeating)\r
+            {\r
+                if (event.type == KeyPress) window->State.KeyRepeating = GL_FALSE;\r
+                break;\r
+            }\r
+\r
+            if( event.type == KeyPress )\r
+            {\r
+                keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard ));\r
+                special_cb  = (FGCBSpecial) ( FETCH_WCB( *window, Special  ));\r
+            }\r
+            else\r
+            {\r
+                keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp ));\r
+                special_cb  = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp  ));\r
+            }\r
+\r
+            /* Is there a keyboard/special callback hooked for this window? */\r
+            if( keyboard_cb || special_cb )\r
+            {\r
+                XComposeStatus composeStatus;\r
+                char asciiCode[ 32 ];\r
+                KeySym keySym;\r
+                int len;\r
+\r
+                /* Check for the ASCII/KeySym codes associated with the event: */\r
+                len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),\r
+                                     &keySym, &composeStatus\r
+                );\r
+\r
+                /* GLUT API tells us to have two separate callbacks... */\r
+                if( len > 0 )\r
+                {\r
+                    /* ...one for the ASCII translateable keypresses... */\r
+                    if( keyboard_cb )\r
+                    {\r
+                        fgSetWindow( window );\r
+                        fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );\r
+                        keyboard_cb( asciiCode[ 0 ],\r
+                                     event.xkey.x, event.xkey.y\r
+                        );\r
+                        fgState.Modifiers = INVALID_MODIFIERS;\r
+                    }\r
+                }\r
+                else\r
+                {\r
+                    int special = -1;\r
+\r
+                    /*\r
+                     * ...and one for all the others, which need to be\r
+                     * translated to GLUT_KEY_Xs...\r
+                     */\r
+                    switch( keySym )\r
+                    {\r
+                    case XK_F1:     special = GLUT_KEY_F1;     break;\r
+                    case XK_F2:     special = GLUT_KEY_F2;     break;\r
+                    case XK_F3:     special = GLUT_KEY_F3;     break;\r
+                    case XK_F4:     special = GLUT_KEY_F4;     break;\r
+                    case XK_F5:     special = GLUT_KEY_F5;     break;\r
+                    case XK_F6:     special = GLUT_KEY_F6;     break;\r
+                    case XK_F7:     special = GLUT_KEY_F7;     break;\r
+                    case XK_F8:     special = GLUT_KEY_F8;     break;\r
+                    case XK_F9:     special = GLUT_KEY_F9;     break;\r
+                    case XK_F10:    special = GLUT_KEY_F10;    break;\r
+                    case XK_F11:    special = GLUT_KEY_F11;    break;\r
+                    case XK_F12:    special = GLUT_KEY_F12;    break;\r
+\r
+                    case XK_KP_Left:\r
+                    case XK_Left:   special = GLUT_KEY_LEFT;   break;\r
+                    case XK_KP_Right:\r
+                    case XK_Right:  special = GLUT_KEY_RIGHT;  break;\r
+                    case XK_KP_Up:\r
+                    case XK_Up:     special = GLUT_KEY_UP;     break;\r
+                    case XK_KP_Down:\r
+                    case XK_Down:   special = GLUT_KEY_DOWN;   break;\r
+\r
+                    case XK_KP_Prior:\r
+                    case XK_Prior:  special = GLUT_KEY_PAGE_UP; break;\r
+                    case XK_KP_Next:\r
+                    case XK_Next:   special = GLUT_KEY_PAGE_DOWN; break;\r
+                    case XK_KP_Home:\r
+                    case XK_Home:   special = GLUT_KEY_HOME;   break;\r
+                    case XK_KP_End:\r
+                    case XK_End:    special = GLUT_KEY_END;    break;\r
+                    case XK_KP_Insert:\r
+                    case XK_Insert: special = GLUT_KEY_INSERT; break;\r
+\r
+                    case XK_Num_Lock :  special = GLUT_KEY_NUM_LOCK;  break;\r
+                    case XK_KP_Begin :  special = GLUT_KEY_BEGIN;     break;\r
+                    case XK_KP_Delete:  special = GLUT_KEY_DELETE;    break;\r
+\r
+                    case XK_Shift_L:   special = GLUT_KEY_SHIFT_L;    break;\r
+                    case XK_Shift_R:   special = GLUT_KEY_SHIFT_R;    break;\r
+                    case XK_Control_L: special = GLUT_KEY_CTRL_L;     break;\r
+                    case XK_Control_R: special = GLUT_KEY_CTRL_R;     break;\r
+                    case XK_Alt_L:     special = GLUT_KEY_ALT_L;      break;\r
+                    case XK_Alt_R:     special = GLUT_KEY_ALT_R;      break;\r
+                    }\r
+\r
+                    /*\r
+                     * Execute the callback (if one has been specified),\r
+                     * given that the special code seems to be valid...\r
+                     */\r
+                    if( special_cb && (special != -1) )\r
+                    {\r
+                        fgSetWindow( window );\r
+                        fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );\r
+                        special_cb( special, event.xkey.x, event.xkey.y );\r
+                        fgState.Modifiers = INVALID_MODIFIERS;\r
+                    }\r
+                }\r
+            }\r
+        }\r
+        break;\r
+\r
+        case ReparentNotify:\r
+            break; /* XXX Should disable this event */\r
+\r
+        /* Not handled */\r
+        case GravityNotify:\r
+            break;\r
+\r
+        default:\r
+            /* enter handling of Extension Events here */\r
+            #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H\r
+                fgHandleExtensionEvents( &event );\r
+            #endif\r
+            break;\r
+        }\r
+    }\r
+}\r
+\r
+\r
+void fgPlatformMainLoopPreliminaryWork ( void )\r
+{\r
+}\r
+\r