/*
- * freeglut_callbacks.c
+ * fg_callbacks.c
*
* The callbacks setting methods.
*
/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
-
/*
* Global callbacks.
*/
+
/* Sets the global idle callback */
-void FGAPIENTRY glutIdleFunc( FGCBIdle callback )
+void FGAPIENTRY glutIdleFuncUcall( FGCBIdleUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFunc" );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFuncUcall" );
fgState.IdleCallback = callback;
+ fgState.IdleCallbackData = userData;
}
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG0(Idle)
+
/* 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 );
}
+IMPLEMENT_CALLBACK_FUNC_CB_ARG1(Timer, Timer)
+
+void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int timerID )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFunc" );
+ if( callback )
+ {
+ FGCBTimer* reference = &callback;
+ glutTimerFuncUcall( timeOut, fghTimerFuncCallback, timerID, *((FGCBUserData*)reference) );
+ }
+ 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;
}
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG3(MenuStatus)
/*
* 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;
+ }
}
-
-/*
- * All of the window-specific callbacks setting methods can be generalized to this:
- */
-#define SET_CALLBACK(a) \
-do \
-{ \
- if( fgStructure.CurrentWindow == NULL ) \
- return; \
- SET_WCB( ( *( fgStructure.CurrentWindow ) ), a, callback ); \
-} while( 0 )
-/*
- * 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 ) \
-{ \
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glut"###a##"Func" ); \
- SET_CALLBACK( b ); \
-}
-#define IMPLEMENT_CALLBACK_FUNC(a) IMPLEMENT_CALLBACK_FUNC_2NAME(a,a)
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG0_2NAME(MenuDestroy, Destroy)
/* 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);
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG2(Position)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG3_USER(Keyboard,unsigned char,int,int)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG3_USER(KeyboardUp,unsigned char,int,int)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG3(Special)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG3(SpecialUp)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG4(Mouse)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG4(MouseWheel)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG2(Motion)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG2_2NAME(PassiveMotion,Passive)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG1(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);
-
-
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG0_2NAME(Close,Destroy)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG0_2NAME(WMClose,Destroy)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG0(OverlayDisplay)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG1(WindowStatus)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG2(ButtonBox)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG2(Dials)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG2(TabletMotion)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG4(TabletButton)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG2(MultiEntry)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG5(MultiButton)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG3(MultiMotion)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG3(MultiPassive)
+IMPLEMENT_CURRENT_WINDOW_CALLBACK_FUNC_ARG0(InitContext)
+IMPLEMENT_CURRENT_WINDOW_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 );
+ SET_CURRENT_WINDOW_CALLBACK( Display );
+}
+
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG0(Display)
+
+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_CURRENT_WINDOW_CALLBACK( Reshape );
}
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG2(Reshape)
+
/*
* Sets the Visibility callback for the current window.
+ * NB: the Visibility func is deprecated in favor of the WindowStatus func,
+ * which provides more detail. The visibility func callback is implemented
+ * as a translation step from the windowStatus func. When the user sets the
+ * windowStatus func, any visibility func is overwritten.
+ * DEVELOPER NOTE: in the library, only invoke the window status func, this
+ * gets automatically translated to the visibility func if thats what the
+ * user has set.
+ * window status is kind of anemic on win32 as there are no window messages
+ * to notify us that the window is covered by other windows or not.
+ * Should one want to query this, see
+ * 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 glut_status = GLUT_VISIBLE;
+ int vis_status;
FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Visibility Callback" );
freeglut_return_if_fail( fgStructure.CurrentWindow );
- if( ( GLUT_HIDDEN == status ) || ( GLUT_FULLY_COVERED == status ) )
- glut_status = GLUT_NOT_VISIBLE;
- INVOKE_WCB( *( fgStructure.CurrentWindow ), Visibility, ( glut_status ) );
+ /* Translate window status func states to visibility states */
+ if( ( status == GLUT_HIDDEN) || ( status == GLUT_FULLY_COVERED) )
+ vis_status = GLUT_NOT_VISIBLE;
+ else /* GLUT_FULLY_RETAINED, GLUT_PARTIALLY_RETAINED */
+ vis_status = GLUT_VISIBLE;
+
+ 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" );
- SET_CALLBACK( Visibility );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFuncUcall" );
+
+ if ( !callback )
+ {
+ userData = NULL;
+ }
+
+ SET_CURRENT_WINDOW_CALLBACK( Visibility );
if( callback )
- glutWindowStatusFunc( fghVisibility );
+ glutWindowStatusFuncUcall( fghVisibility, NULL );
else
- glutWindowStatusFunc( NULL );
+ glutWindowStatusFuncUcall( NULL, NULL );
}
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG1(Visibility)
+
/*
* 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 ( ( ( fgStructure.CurrentWindow->State.JoystickPollRate < 0 ) ||
- !FETCH_WCB(*fgStructure.CurrentWindow,Joystick) ) && /* Joystick callback was disabled */
- ( callback && ( pollInterval >= 0 ) ) ) /* but is now enabled */
+ if ( (
+ fgStructure.CurrentWindow->State.JoystickPollRate <= 0 || /* Joystick callback was disabled */
+ !FETCH_WCB(*fgStructure.CurrentWindow,Joystick)
+ ) &&
+ (
+ callback && ( pollInterval > 0 ) /* but is now enabled */
+ ) )
++fgState.NumActiveJoysticks;
- else if ( ( ( fgStructure.CurrentWindow->State.JoystickPollRate >= 0 ) &&
- FETCH_WCB(*fgStructure.CurrentWindow,Joystick) ) && /* Joystick callback was enabled */
- ( !callback || ( pollInterval < 0 ) ) ) /* but is now disabled */
+ else if ( (
+ fgStructure.CurrentWindow->State.JoystickPollRate > 0 && /* Joystick callback was enabled */
+ FETCH_WCB(*fgStructure.CurrentWindow,Joystick)
+ ) &&
+ (
+ !callback || ( pollInterval <= 0 ) /* but is now disabled */
+ ) )
--fgState.NumActiveJoysticks;
- SET_CALLBACK( Joystick );
+ SET_CURRENT_WINDOW_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 fghJoystickFuncCallback( 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 )
+ {
+ FGCBJoystick* reference = &callback;
+ glutJoystickFuncUcall( fghJoystickFuncCallback, pollInterval, *((FGCBUserData*)reference) );
+ }
+ 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 );
+ SET_CURRENT_WINDOW_CALLBACK( SpaceMotion );
}
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG3_2NAME(SpaceballMotion, SpaceMotion)
+
/*
* 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 );
+ SET_CURRENT_WINDOW_CALLBACK( SpaceRotation );
}
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG3_2NAME(SpaceballRotate, SpaceRotation)
+
/*
* 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 );
+ SET_CURRENT_WINDOW_CALLBACK( SpaceButton );
}
+IMPLEMENT_GLUT_CALLBACK_FUNC_ARG2_2NAME(SpaceballButton, SpaceButton)
+
/*** END OF FILE ***/
projects / freeglut / blobdiff