/*
- * freeglut_callbacks.c
+ * fg_callbacks.c
*
* The callbacks setting methods.
*
* Global callbacks.
*/
/* Sets the global idle callback */
+void FGAPIENTRY glutIdleFuncUcall( FGCBIdleUC callback, FGCBUserData userData )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFuncUcall" );
+ fgState.IdleCallback = callback;
+ fgState.IdleCallbackData = userData;
+}
+
+static void glutIdleFuncCallback( FGCBUserData userData )
+{
+ FGCBIdle callback = (FGCBIdle)userData;
+ callback();
+}
+
void FGAPIENTRY glutIdleFunc( FGCBIdle callback )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFunc" );
- fgState.IdleCallback = callback;
+ if( callback )
+ glutIdleFuncUcall( glutIdleFuncCallback, (FGCBUserData)callback );
+ else
+ glutIdleFuncUcall( NULL, NULL );
}
/* Creates a timer and sets its callback */
-void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int timerID )
+void FGAPIENTRY glutTimerFuncUcall( unsigned int timeOut, FGCBTimerUC callback, int timerID, FGCBUserData userData )
{
SFG_Timer *timer, *node;
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFuncUcall" );
if( (timer = fgState.FreeTimers.Last) )
{
"Memory allocation failure in glutTimerFunc()" );
}
- timer->Callback = callback;
- timer->ID = timerID;
- timer->TriggerTime = fgElapsedTime() + timeOut;
+ timer->Callback = callback;
+ timer->CallbackData = userData;
+ timer->ID = timerID;
+ timer->TriggerTime = fgElapsedTime() + timeOut;
+ /* Insert such that timers are sorted by end-time */
for( node = fgState.Timers.First; node; node = node->Node.Next )
{
if( node->TriggerTime > timer->TriggerTime )
fgListInsert( &fgState.Timers, &node->Node, &timer->Node );
}
+static void glutTimerFuncCallback( int ID, FGCBUserData userData )
+{
+ FGCBTimer callback = (FGCBTimer)userData;
+ callback( ID );
+}
+
+void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int timerID )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFunc" );
+ if( callback )
+ glutTimerFuncUcall( timeOut, glutTimerFuncCallback, timerID, (FGCBUserData)callback );
+ else
+ glutTimerFuncUcall( timeOut, NULL, timerID, NULL );
+}
+
/* Deprecated version of glutMenuStatusFunc callback setting method */
void FGAPIENTRY glutMenuStateFunc( FGCBMenuState callback )
{
}
/* Sets the global menu status callback for the current window */
-void FGAPIENTRY glutMenuStatusFunc( FGCBMenuStatus callback )
+void FGAPIENTRY glutMenuStatusFuncUcall( FGCBMenuStatusUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFuncUcall" );
fgState.MenuStatusCallback = callback;
+ fgState.MenuStatusCallbackData = userData;
+}
+
+static void glutMenuStatusFuncCallback( int menuState, int mouseX, int mouseY, FGCBUserData userData )
+{
+ FGCBMenuStatus callback = (FGCBMenuStatus)userData;
+ callback( menuState, mouseX, mouseY );
}
+void FGAPIENTRY glutMenuStatusFunc( FGCBMenuStatus callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFunc" );
+ if( callback )
+ glutMenuStatusFuncUcall( glutMenuStatusFuncCallback, (FGCBUserData)callback );
+ else
+ glutMenuStatusFuncUcall( NULL, NULL );
+}
/*
* Menu specific callbacks.
*/
/* Callback upon menu destruction */
-void FGAPIENTRY glutMenuDestroyFunc( FGCBDestroy callback )
+void FGAPIENTRY glutMenuDestroyFuncUcall( FGCBDestroyUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFuncUcall" );
if( fgStructure.CurrentMenu )
+ {
fgStructure.CurrentMenu->Destroy = callback;
+ fgStructure.CurrentMenu->DestroyData = userData;
+ }
+}
+
+static void glutMenuDestroyFuncCallback( FGCBUserData userData )
+{
+ FGCBDestroy callback = (FGCBDestroy)userData;
+ callback();
+}
+
+void FGAPIENTRY glutMenuDestroyFunc( FGCBDestroy callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFunc" );
+ if( callback )
+ glutMenuDestroyFuncUcall( glutMenuDestroyFuncCallback, (FGCBUserData)callback );
+ else
+ glutMenuDestroyFuncUcall( NULL, NULL );
}
{ \
if( fgStructure.CurrentWindow == NULL ) \
return; \
- SET_WCB( ( *( fgStructure.CurrentWindow ) ), a, callback ); \
+ SET_WCB( ( *( fgStructure.CurrentWindow ) ), a, callback, userData ); \
} while( 0 )
/*
+ * Types need to be defined for callbacks. It's not ideal, but it works for this.
+ */
+#define IMPLEMENT_CALLBACK_FUNC_CB_ARG0(a,b) \
+static void glut##a##FuncCallback( FGCBUserData userData ) \
+{ \
+ FGCB##b callback = (FGCB##b)userData; \
+ callback(); \
+}
+#define IMPLEMENT_CALLBACK_FUNC_CB_ARG1(a,b) \
+static void glut##a##FuncCallback( int arg1val, FGCBUserData userData ) \
+{ \
+ FGCB##b callback = (FGCB##b)userData; \
+ callback( arg1val ); \
+}
+#define IMPLEMENT_CALLBACK_FUNC_CB_ARG2(a,b) \
+static void glut##a##FuncCallback( int arg1val, int arg2val, FGCBUserData userData ) \
+{ \
+ FGCB##b callback = (FGCB##b)userData; \
+ callback( arg1val, arg2val ); \
+}
+#define IMPLEMENT_CALLBACK_FUNC_CB_ARG3_USER(a,b,arg1,arg2,arg3) \
+static void glut##a##FuncCallback( arg1 arg1val, arg2 arg2val, arg3 arg3val, FGCBUserData userData ) \
+{ \
+ FGCB##b callback = (FGCB##b)userData; \
+ callback( arg1val, arg2val, arg3val ); \
+}
+#define IMPLEMENT_CALLBACK_FUNC_CB_ARG3(a,b) IMPLEMENT_CALLBACK_FUNC_CB_ARG3_USER(a,b,int,int,int)
+#define IMPLEMENT_CALLBACK_FUNC_CB_ARG4(a,b) \
+static void glut##a##FuncCallback( int arg1val, int arg2val, int arg3val, int arg4val, FGCBUserData userData ) \
+{ \
+ FGCB##b callback = (FGCB##b)userData; \
+ callback( arg1val, arg2val, arg3val, arg4val ); \
+}
+#define IMPLEMENT_CALLBACK_FUNC_CB_ARG5(a,b) \
+static void glut##a##FuncCallback( int arg1val, int arg2val, int arg3val, int arg4val, int arg5val, FGCBUserData userData ) \
+{ \
+ FGCB##b callback = (FGCB##b)userData; \
+ callback( arg1val, arg2val, arg3val, arg4val, arg5val ); \
+}
+/*
* And almost every time the callback setter function can be implemented like this:
*/
-#define IMPLEMENT_CALLBACK_FUNC_2NAME(a,b) \
-void FGAPIENTRY glut##a##Func( FGCB##b callback ) \
+#define IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,b) \
+void FGAPIENTRY glut##a##FuncUcall( FGCB##b##UC callback, FGCBUserData userData ) \
{ \
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glut"#a"Func" ); \
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glut"#a"FuncUcall" ); \
SET_CALLBACK( b ); \
+} \
+void FGAPIENTRY glut##a##Func( FGCB##b callback ) \
+{ \
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glut"#a"Func" ); \
+ if( callback ) \
+ glut##a##FuncUcall( glut##a##FuncCallback, (FGCBUserData)callback ); \
+ else \
+ glut##a##FuncUcall( NULL, NULL ); \
}
-#define IMPLEMENT_CALLBACK_FUNC(a) IMPLEMENT_CALLBACK_FUNC_2NAME(a,a)
+/*
+ * Combine _glut and _cb macros:
+ */
+#define IMPLEMENT_CALLBACK_FUNC_ARG0(a) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG0(a,a) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,a)
-/* Implement all these callback setter functions... */
-IMPLEMENT_CALLBACK_FUNC(Reshape);
-IMPLEMENT_CALLBACK_FUNC(Position);
-IMPLEMENT_CALLBACK_FUNC(Keyboard);
-IMPLEMENT_CALLBACK_FUNC(KeyboardUp);
-IMPLEMENT_CALLBACK_FUNC(Special);
-IMPLEMENT_CALLBACK_FUNC(SpecialUp);
-IMPLEMENT_CALLBACK_FUNC(Mouse);
-IMPLEMENT_CALLBACK_FUNC(MouseWheel);
-IMPLEMENT_CALLBACK_FUNC(Motion);
-IMPLEMENT_CALLBACK_FUNC_2NAME(PassiveMotion,Passive);
-IMPLEMENT_CALLBACK_FUNC(Entry);
-/* glutWMCloseFunc is an alias for glutCloseFunc; both set the window's Destroy callback */
-IMPLEMENT_CALLBACK_FUNC_2NAME(Close,Destroy);
-IMPLEMENT_CALLBACK_FUNC_2NAME(WMClose,Destroy);
-IMPLEMENT_CALLBACK_FUNC(OverlayDisplay);
-IMPLEMENT_CALLBACK_FUNC(WindowStatus);
-IMPLEMENT_CALLBACK_FUNC(ButtonBox);
-IMPLEMENT_CALLBACK_FUNC(Dials);
-IMPLEMENT_CALLBACK_FUNC(TabletMotion);
-IMPLEMENT_CALLBACK_FUNC(TabletButton);
-IMPLEMENT_CALLBACK_FUNC(MultiEntry);
-IMPLEMENT_CALLBACK_FUNC(MultiButton);
-IMPLEMENT_CALLBACK_FUNC(MultiMotion);
-IMPLEMENT_CALLBACK_FUNC(MultiPassive);
-IMPLEMENT_CALLBACK_FUNC(InitContext);
-IMPLEMENT_CALLBACK_FUNC(Pause);
-IMPLEMENT_CALLBACK_FUNC(Resume);
+#define IMPLEMENT_CALLBACK_FUNC_ARG0_2NAME(a,b) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG0(a,b) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,b)
+
+#define IMPLEMENT_CALLBACK_FUNC_ARG1(a) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG1(a,a) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,a)
+
+#define IMPLEMENT_CALLBACK_FUNC_ARG2(a) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG2(a,a) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,a)
+#define IMPLEMENT_CALLBACK_FUNC_ARG2_2NAME(a,b) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG2(a,b) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,b)
+#define IMPLEMENT_CALLBACK_FUNC_ARG3(a) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG3(a,a) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,a)
+
+#define IMPLEMENT_CALLBACK_FUNC_ARG3_USER(a,arg1,arg2,arg3) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG3_USER(a,a,arg1,arg2,arg3)\
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,a)
+
+#define IMPLEMENT_CALLBACK_FUNC_ARG4(a) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG4(a,a) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,a)
+
+#define IMPLEMENT_CALLBACK_FUNC_ARG5(a) \
+ IMPLEMENT_CALLBACK_FUNC_CB_ARG5(a,a) \
+ IMPLEMENT_CALLBACK_FUNC_2NAME_GLUT(a,a)
+
+/* Implement all these callback setter functions... */
+IMPLEMENT_CALLBACK_FUNC_ARG2(Position)
+IMPLEMENT_CALLBACK_FUNC_ARG3_USER(Keyboard,unsigned char,int,int)
+IMPLEMENT_CALLBACK_FUNC_ARG3_USER(KeyboardUp,unsigned char,int,int)
+IMPLEMENT_CALLBACK_FUNC_ARG3(Special)
+IMPLEMENT_CALLBACK_FUNC_ARG3(SpecialUp)
+IMPLEMENT_CALLBACK_FUNC_ARG4(Mouse)
+IMPLEMENT_CALLBACK_FUNC_ARG4(MouseWheel)
+IMPLEMENT_CALLBACK_FUNC_ARG2(Motion)
+IMPLEMENT_CALLBACK_FUNC_ARG2_2NAME(PassiveMotion,Passive)
+IMPLEMENT_CALLBACK_FUNC_ARG1(Entry)
+/* glutWMCloseFunc is an alias for glutCloseFunc; both set the window's Destroy callback */
+IMPLEMENT_CALLBACK_FUNC_ARG0_2NAME(Close,Destroy)
+IMPLEMENT_CALLBACK_FUNC_ARG0_2NAME(WMClose,Destroy)
+IMPLEMENT_CALLBACK_FUNC_ARG0(OverlayDisplay)
+IMPLEMENT_CALLBACK_FUNC_ARG1(WindowStatus)
+IMPLEMENT_CALLBACK_FUNC_ARG2(ButtonBox)
+IMPLEMENT_CALLBACK_FUNC_ARG2(Dials)
+IMPLEMENT_CALLBACK_FUNC_ARG2(TabletMotion)
+IMPLEMENT_CALLBACK_FUNC_ARG4(TabletButton)
+IMPLEMENT_CALLBACK_FUNC_ARG2(MultiEntry)
+IMPLEMENT_CALLBACK_FUNC_ARG5(MultiButton)
+IMPLEMENT_CALLBACK_FUNC_ARG3(MultiMotion)
+IMPLEMENT_CALLBACK_FUNC_ARG3(MultiPassive)
+IMPLEMENT_CALLBACK_FUNC_ARG0(InitContext)
+IMPLEMENT_CALLBACK_FUNC_ARG1(AppStatus)
/*
* Sets the Display callback for the current window
*/
-void FGAPIENTRY glutDisplayFunc( FGCBDisplay callback )
+void FGAPIENTRY glutDisplayFuncUcall( FGCBDisplayUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDisplayFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDisplayFuncUcall" );
if( !callback )
fgError( "Fatal error in program. NULL display callback not "
"permitted in GLUT 3.0+ or freeglut 2.0.1+" );
SET_CALLBACK( Display );
}
+static void glutDisplayFuncCallback( FGCBUserData userData )
+{
+ FGCBDisplay callback = (FGCBDisplay)userData;
+ callback();
+}
+
+void FGAPIENTRY glutDisplayFunc( FGCBDisplay callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDisplayFunc" );
+ if( callback )
+ glutDisplayFuncUcall( glutDisplayFuncCallback, (FGCBUserData)callback );
+ else
+ glutDisplayFuncUcall( NULL, NULL );
+}
+
+void fghDefaultReshape( int width, int height, FGCBUserData userData )
+{
+ glViewport( 0, 0, width, height );
+}
+
+void FGAPIENTRY glutReshapeFuncUcall( FGCBReshapeUC callback, FGCBUserData userData )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFuncUcall" );
+
+ if( !callback )
+ {
+ callback = fghDefaultReshape;
+ userData = NULL;
+ }
+
+ SET_CALLBACK( Reshape );
+}
+
+static void glutReshapeFuncCallback( int width, int height, FGCBUserData userData )
+{
+ FGCBReshape callback = (FGCBReshape)userData;
+ callback( width, height );
+}
+
+void FGAPIENTRY glutReshapeFunc( FGCBReshape callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFunc" );
+ if( callback )
+ glutReshapeFuncUcall( glutReshapeFuncCallback, (FGCBUserData)callback );
+ else
+ glutReshapeFuncUcall( NULL, NULL );
+}
+
/*
* Sets the Visibility callback for the current window.
* NB: the Visibility func is deprecated in favor of the WindowStatus func,
* http://stackoverflow.com/questions/5445889/get-which-process-window-is-actually-visible-in-c-sharp
* for an implementation outline (but it would be polling based, not push based).
*/
-static void fghVisibility( int status )
+static void fghVisibility( int status, FGCBUserData userData )
{
int vis_status;
INVOKE_WCB( *( fgStructure.CurrentWindow ), Visibility, ( vis_status ) );
}
-void FGAPIENTRY glutVisibilityFunc( FGCBVisibility callback )
+void FGAPIENTRY glutVisibilityFuncUcall( FGCBVisibilityUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFuncUcall" );
+
+ if ( !callback )
+ {
+ userData = NULL;
+ }
+
SET_CALLBACK( Visibility );
if( callback )
- glutWindowStatusFunc( fghVisibility );
+ glutWindowStatusFuncUcall( fghVisibility, NULL );
else
- glutWindowStatusFunc( NULL );
+ glutWindowStatusFuncUcall( NULL, NULL );
+}
+
+static void glutVisibilityFuncCallback( int visibility, FGCBUserData userData )
+{
+ FGCBVisibility callback = (FGCBVisibility)userData;
+ callback( visibility );
+}
+
+void FGAPIENTRY glutVisibilityFunc( FGCBVisibility callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFunc" );
+ if( callback )
+ glutVisibilityFuncUcall( glutVisibilityFuncCallback, (FGCBUserData)callback );
+ else
+ glutVisibilityFuncUcall( NULL, NULL );
}
/*
* Sets the joystick callback and polling rate for the current window
*/
-void FGAPIENTRY glutJoystickFunc( FGCBJoystick callback, int pollInterval )
+void FGAPIENTRY glutJoystickFuncUcall( FGCBJoystickUC callback, int pollInterval, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFuncUcall" );
fgInitialiseJoysticks ();
if ( (
SET_CALLBACK( Joystick );
fgStructure.CurrentWindow->State.JoystickPollRate = pollInterval;
- fgStructure.CurrentWindow->State.JoystickLastPoll =
- fgElapsedTime() - fgStructure.CurrentWindow->State.JoystickPollRate;
-
- if( fgStructure.CurrentWindow->State.JoystickLastPoll < 0 )
+ /* set last poll time such that joystick will be polled asap */
+ fgStructure.CurrentWindow->State.JoystickLastPoll = fgElapsedTime();
+ if (fgStructure.CurrentWindow->State.JoystickLastPoll < pollInterval)
fgStructure.CurrentWindow->State.JoystickLastPoll = 0;
+ else
+ fgStructure.CurrentWindow->State.JoystickLastPoll -= pollInterval;
}
+static void glutJoystickFuncCallback( unsigned int buttons, int axis0, int axis1, int axis2, FGCBUserData userData )
+{
+ FGCBJoystick callback = (FGCBJoystick)userData;
+ callback( buttons, axis0, axis1, axis2 );
+}
+void FGAPIENTRY glutJoystickFunc( FGCBJoystick callback, int pollInterval )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFunc" );
+ if( callback )
+ glutJoystickFuncUcall( glutJoystickFuncCallback, pollInterval, (FGCBUserData)callback );
+ else
+ glutJoystickFuncUcall( NULL, pollInterval, NULL );
+}
/*
* Sets the spaceball motion callback for the current window
*/
-void FGAPIENTRY glutSpaceballMotionFunc( FGCBSpaceMotion callback )
+void FGAPIENTRY glutSpaceballMotionFuncUcall( FGCBSpaceMotionUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballMotionFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballMotionFuncUcall" );
fgInitialiseSpaceball();
SET_CALLBACK( SpaceMotion );
}
+static void glutSpaceballMotionFuncCallback( int x, int y, int z, FGCBUserData userData )
+{
+ FGCBSpaceMotion callback = (FGCBSpaceMotion)userData;
+ callback( x, y, z );
+}
+
+void FGAPIENTRY glutSpaceballMotionFunc( FGCBSpaceMotion callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballMotionFunc" );
+ if( callback )
+ glutSpaceballMotionFuncUcall( glutSpaceballMotionFuncCallback, (FGCBUserData)callback );
+ else
+ glutSpaceballMotionFuncUcall( NULL, NULL );
+}
+
/*
* Sets the spaceball rotate callback for the current window
*/
-void FGAPIENTRY glutSpaceballRotateFunc( FGCBSpaceRotation callback )
+void FGAPIENTRY glutSpaceballRotateFuncUcall( FGCBSpaceRotationUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballRotateFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballRotateFuncUcall" );
fgInitialiseSpaceball();
SET_CALLBACK( SpaceRotation );
}
+static void glutSpaceballRotateFuncCallback( int x, int y, int z, FGCBUserData userData )
+{
+ FGCBSpaceRotation callback = (FGCBSpaceRotation)userData;
+ callback( x, y, z );
+}
+
+void FGAPIENTRY glutSpaceballRotateFunc( FGCBSpaceRotation callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballRotateFunc" );
+ if( callback )
+ glutSpaceballRotateFuncUcall( glutSpaceballRotateFuncCallback, (FGCBUserData)callback );
+ else
+ glutSpaceballRotateFuncUcall( NULL, NULL );
+}
+
/*
* Sets the spaceball button callback for the current window
*/
-void FGAPIENTRY glutSpaceballButtonFunc( FGCBSpaceButton callback )
+void FGAPIENTRY glutSpaceballButtonFuncUcall( FGCBSpaceButtonUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballButtonFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballButtonFuncUcall" );
fgInitialiseSpaceball();
SET_CALLBACK( SpaceButton );
}
+static void glutSpaceballButtonFuncCallback( int button, int buttonState, FGCBUserData userData )
+{
+ FGCBSpaceButton callback = (FGCBSpaceButton)userData;
+ callback( button, buttonState );
+}
+
+void FGAPIENTRY glutSpaceballButtonFunc( FGCBSpaceButton callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballButtonFunc" );
+ if( callback )
+ glutSpaceballButtonFuncUcall( glutSpaceballButtonFuncCallback, (FGCBUserData)callback );
+ else
+ glutSpaceballButtonFuncUcall( NULL, NULL );
+}
+
/*** END OF FILE ***/