/*
- * freeglut_callbacks.c
+ * fg_callbacks.c
*
* The callbacks setting methods.
*
/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
-/*
- * All of the 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 )
/*
- * Sets the Display callback for the current window
+ * Global callbacks.
*/
-void FGAPIENTRY glutDisplayFunc( void (* callback)( void ) )
+/* Sets the global idle callback */
+void FGAPIENTRY glutIdleFuncUcall( FGCBIdleUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDisplayFunc" );
- if( !callback )
- fgError( "Fatal error in program. NULL display callback not "
- "permitted in GLUT 3.0+ or freeglut 2.0.1+" );
- SET_CALLBACK( Display );
-}
-
-/*
- * Sets the Reshape callback for the current window
- */
-void FGAPIENTRY glutReshapeFunc( void (* callback)( int, int ) )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFunc" );
- SET_CALLBACK( Reshape );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFuncUcall" );
+ fgState.IdleCallback = callback;
+ fgState.IdleCallbackData = userData;
}
-/*
- * Sets the Keyboard callback for the current window
- */
-void FGAPIENTRY glutKeyboardFunc( void (* callback)
- ( unsigned char, int, int ) )
+static void glutIdleFuncCallback( FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutKeyboardFunc" );
- SET_CALLBACK( Keyboard );
+ FGCBIdle callback = (FGCBIdle)userData;
+ callback();
}
-/*
- * Sets the Special callback for the current window
- */
-void FGAPIENTRY glutSpecialFunc( void (* callback)( int, int, int ) )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpecialFunc" );
- SET_CALLBACK( Special );
-}
-
-/*
- * Sets the global idle callback
- */
-void FGAPIENTRY glutIdleFunc( void (* callback)( void ) )
+void FGAPIENTRY glutIdleFunc( FGCBIdle callback )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFunc" );
- fgState.IdleCallback = callback;
+ if( callback )
+ glutIdleFuncUcall( glutIdleFuncCallback, (FGCBUserData)callback );
+ else
+ glutIdleFuncUcall( NULL, NULL );
}
-/*
- * Sets the Timer callback for the current window
- */
-void FGAPIENTRY glutTimerFunc( unsigned int timeOut, void (* callback)( int ),
- int timerID )
+/* Creates a timer and sets its callback */
+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 );
}
-/*
- * Sets the Visibility callback for the current window.
- */
-static void fghVisibility( int status )
+static void glutTimerFuncCallback( int ID, FGCBUserData userData )
{
- int glut_status = GLUT_VISIBLE;
-
- 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 ) );
+ FGCBTimer callback = (FGCBTimer)userData;
+ callback( ID );
}
-void FGAPIENTRY glutVisibilityFunc( void (* callback)( int ) )
+void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int timerID )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFunc" );
- SET_CALLBACK( Visibility );
-
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFunc" );
if( callback )
- glutWindowStatusFunc( fghVisibility );
+ glutTimerFuncUcall( timeOut, glutTimerFuncCallback, timerID, (FGCBUserData)callback );
else
- glutWindowStatusFunc( NULL );
+ glutTimerFuncUcall( timeOut, NULL, timerID, NULL );
}
-/*
- * Sets the keyboard key release callback for the current window
- */
-void FGAPIENTRY glutKeyboardUpFunc( void (* callback)
- ( unsigned char, int, int ) )
+/* Deprecated version of glutMenuStatusFunc callback setting method */
+void FGAPIENTRY glutMenuStateFunc( FGCBMenuState callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutKeyboardUpFunc" );
- SET_CALLBACK( KeyboardUp );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStateFunc" );
+ fgState.MenuStateCallback = callback;
}
-/*
- * Sets the special key release callback for the current window
- */
-void FGAPIENTRY glutSpecialUpFunc( void (* callback)( int, int, int ) )
+/* Sets the global menu status callback for the current window */
+void FGAPIENTRY glutMenuStatusFuncUcall( FGCBMenuStatusUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpecialUpFunc" );
- SET_CALLBACK( SpecialUp );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFuncUcall" );
+ fgState.MenuStatusCallback = callback;
+ fgState.MenuStatusCallbackData = userData;
}
-/*
- * Sets the joystick callback and polling rate for the current window
- */
-void FGAPIENTRY glutJoystickFunc( void (* callback)
- ( unsigned int, int, int, int ),
- int pollInterval )
+static void glutMenuStatusFuncCallback( int menuState, int mouseX, int mouseY, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFunc" );
- fgInitialiseJoysticks ();
-
- if ( ( ( fgStructure.CurrentWindow->State.JoystickPollRate < 0 ) ||
- !FETCH_WCB(*fgStructure.CurrentWindow,Joystick) ) && /* Joystick callback was disabled */
- ( 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 */
- --fgState.NumActiveJoysticks;
-
- SET_CALLBACK( Joystick );
- fgStructure.CurrentWindow->State.JoystickPollRate = pollInterval;
-
- fgStructure.CurrentWindow->State.JoystickLastPoll =
- fgElapsedTime() - fgStructure.CurrentWindow->State.JoystickPollRate;
-
- if( fgStructure.CurrentWindow->State.JoystickLastPoll < 0 )
- fgStructure.CurrentWindow->State.JoystickLastPoll = 0;
+ FGCBMenuStatus callback = (FGCBMenuStatus)userData;
+ callback( menuState, mouseX, mouseY );
}
-/*
- * Sets the mouse callback for the current window
- */
-void FGAPIENTRY glutMouseFunc( void (* callback)( int, int, int, int ) )
+void FGAPIENTRY glutMenuStatusFunc( FGCBMenuStatus callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMouseFunc" );
- SET_CALLBACK( Mouse );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFunc" );
+ if( callback )
+ glutMenuStatusFuncUcall( glutMenuStatusFuncCallback, (FGCBUserData)callback );
+ else
+ glutMenuStatusFuncUcall( NULL, NULL );
}
/*
- * Sets the mouse wheel callback for the current window
+ * Menu specific callbacks.
*/
-void FGAPIENTRY glutMouseWheelFunc( void (* callback)( int, int, int, int ) )
+/* Callback upon menu destruction */
+void FGAPIENTRY glutMenuDestroyFuncUcall( FGCBDestroyUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMouseWheelFunc" );
- SET_CALLBACK( MouseWheel );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFuncUcall" );
+ if( fgStructure.CurrentMenu )
+ {
+ fgStructure.CurrentMenu->Destroy = callback;
+ fgStructure.CurrentMenu->DestroyData = userData;
+ }
}
-/*
- * Sets the mouse motion callback for the current window (one or more buttons
- * are pressed)
- */
-void FGAPIENTRY glutMotionFunc( void (* callback)( int, int ) )
+static void glutMenuDestroyFuncCallback( FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMotionFunc" );
- SET_CALLBACK( Motion );
+ FGCBDestroy callback = (FGCBDestroy)userData;
+ callback();
}
-/*
- * Sets the passive mouse motion callback for the current window (no mouse
- * buttons are pressed)
- */
-void FGAPIENTRY glutPassiveMotionFunc( void (* callback)( int, int ) )
+void FGAPIENTRY glutMenuDestroyFunc( FGCBDestroy callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPassiveMotionFunc" );
- SET_CALLBACK( Passive );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFunc" );
+ if( callback )
+ glutMenuDestroyFuncUcall( glutMenuDestroyFuncCallback, (FGCBUserData)callback );
+ else
+ glutMenuDestroyFuncUcall( NULL, NULL );
}
+
/*
- * Window mouse entry/leave callback
+ * All of the window-specific callbacks setting methods can be generalized to this:
*/
-void FGAPIENTRY glutEntryFunc( void (* callback)( int ) )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutEntryFunc" );
- SET_CALLBACK( Entry );
+#define SET_CALLBACK(a) \
+do \
+{ \
+ if( fgStructure.CurrentWindow == NULL ) \
+ return; \
+ 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_GLUT(a,b) \
+void FGAPIENTRY glut##a##FuncUcall( FGCB##b##UC callback, FGCBUserData userData ) \
+{ \
+ 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 ); \
+}
+/*
+ * 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)
+
+#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)
/*
- * Window destruction callbacks
+ * Sets the Display callback for the current window
*/
-void FGAPIENTRY glutCloseFunc( void (* callback)( void ) )
+void FGAPIENTRY glutDisplayFuncUcall( FGCBDisplayUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCloseFunc" );
- SET_CALLBACK( Destroy );
+ 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 );
}
-void FGAPIENTRY glutWMCloseFunc( void (* callback)( void ) )
+static void glutDisplayFuncCallback( FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWMCloseFunc" );
- glutCloseFunc( callback );
+ FGCBDisplay callback = (FGCBDisplay)userData;
+ callback();
}
-/* A. Donev: Destruction callback for menus */
-void FGAPIENTRY glutMenuDestroyFunc( void (* callback)( void ) )
+void FGAPIENTRY glutDisplayFunc( FGCBDisplay callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFunc" );
- if( fgStructure.CurrentMenu )
- fgStructure.CurrentMenu->Destroy = callback;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDisplayFunc" );
+ if( callback )
+ glutDisplayFuncUcall( glutDisplayFuncCallback, (FGCBUserData)callback );
+ else
+ glutDisplayFuncUcall( NULL, NULL );
}
-/*
- * Deprecated version of glutMenuStatusFunc callback setting method
- */
-void FGAPIENTRY glutMenuStateFunc( void (* callback)( int ) )
+void fghDefaultReshape( int width, int height, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStateFunc" );
- fgState.MenuStateCallback = callback;
+ glViewport( 0, 0, width, height );
}
-/*
- * Sets the global menu status callback for the current window
- */
-void FGAPIENTRY glutMenuStatusFunc( void (* callback)( int, int, int ) )
+void FGAPIENTRY glutReshapeFuncUcall( FGCBReshapeUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFunc" );
- fgState.MenuStatusCallback = callback;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFuncUcall" );
+
+ if( !callback )
+ {
+ callback = fghDefaultReshape;
+ userData = NULL;
+ }
+
+ SET_CALLBACK( Reshape );
}
-/*
- * Sets the overlay display callback for the current window
- */
-void FGAPIENTRY glutOverlayDisplayFunc( void (* callback)( void ) )
+static void glutReshapeFuncCallback( int width, int height, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutOverlayDisplayFunc" );
- SET_CALLBACK( OverlayDisplay );
+ FGCBReshape callback = (FGCBReshape)userData;
+ callback( width, height );
}
-/*
- * Sets the window status callback for the current window
- */
-void FGAPIENTRY glutWindowStatusFunc( void (* callback)( int ) )
+void FGAPIENTRY glutReshapeFunc( FGCBReshape callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWindowStatusFunc" );
- SET_CALLBACK( WindowStatus );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFunc" );
+ if( callback )
+ glutReshapeFuncUcall( glutReshapeFuncCallback, (FGCBUserData)callback );
+ else
+ glutReshapeFuncUcall( NULL, NULL );
}
/*
- * Sets the spaceball motion callback for the current window
- */
-void FGAPIENTRY glutSpaceballMotionFunc( void (* callback)( int, int, int ) )
+ * 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, FGCBUserData userData )
+{
+ int vis_status;
+
+ FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Visibility Callback" );
+ freeglut_return_if_fail( fgStructure.CurrentWindow );
+
+ /* Translate window status func states to visibility states */
+ if( ( GLUT_HIDDEN == status ) || ( GLUT_FULLY_COVERED == status ) )
+ 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 glutVisibilityFuncUcall( FGCBVisibilityUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballMotionFunc" );
- fgInitialiseSpaceball();
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFuncUcall" );
- SET_CALLBACK( SpaceMotion );
+ if ( !callback )
+ {
+ userData = NULL;
+ }
+
+ SET_CALLBACK( Visibility );
+
+ if( callback )
+ glutWindowStatusFuncUcall( fghVisibility, NULL );
+ else
+ glutWindowStatusFuncUcall( NULL, NULL );
}
-/*
- * Sets the spaceball rotate callback for the current window
- */
-void FGAPIENTRY glutSpaceballRotateFunc( void (* callback)( int, int, int ) )
+static void glutVisibilityFuncCallback( int visibility, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballRotateFunc" );
- fgInitialiseSpaceball();
+ FGCBVisibility callback = (FGCBVisibility)userData;
+ callback( visibility );
+}
- SET_CALLBACK( SpaceRotation );
+void FGAPIENTRY glutVisibilityFunc( FGCBVisibility callback )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFunc" );
+ if( callback )
+ glutVisibilityFuncUcall( glutVisibilityFuncCallback, (FGCBUserData)callback );
+ else
+ glutVisibilityFuncUcall( NULL, NULL );
}
/*
- * Sets the spaceball button callback for the current window
+ * Sets the joystick callback and polling rate for the current window
*/
-void FGAPIENTRY glutSpaceballButtonFunc( void (* callback)( int, int ) )
+void FGAPIENTRY glutJoystickFuncUcall( FGCBJoystickUC callback, int pollInterval, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballButtonFunc" );
- fgInitialiseSpaceball();
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFuncUcall" );
+ fgInitialiseJoysticks ();
- SET_CALLBACK( SpaceButton );
+ 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 && /* Joystick callback was enabled */
+ FETCH_WCB(*fgStructure.CurrentWindow,Joystick)
+ ) &&
+ (
+ !callback || ( pollInterval <= 0 ) /* but is now disabled */
+ ) )
+ --fgState.NumActiveJoysticks;
+
+ SET_CALLBACK( Joystick );
+ fgStructure.CurrentWindow->State.JoystickPollRate = pollInterval;
+
+ /* 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;
}
-/*
- * Sets the button box callback for the current window
- */
-void FGAPIENTRY glutButtonBoxFunc( void (* callback)( int, int ) )
+static void glutJoystickFuncCallback( unsigned int buttons, int axis0, int axis1, int axis2, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutButtonBoxFunc" );
- SET_CALLBACK( ButtonBox );
+ FGCBJoystick callback = (FGCBJoystick)userData;
+ callback( buttons, axis0, axis1, axis2 );
}
-/*
- * Sets the dials box callback for the current window
- */
-void FGAPIENTRY glutDialsFunc( void (* callback)( int, int ) )
+void FGAPIENTRY glutJoystickFunc( FGCBJoystick callback, int pollInterval )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDialsFunc" );
- SET_CALLBACK( Dials );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFunc" );
+ if( callback )
+ glutJoystickFuncUcall( glutJoystickFuncCallback, pollInterval, (FGCBUserData)callback );
+ else
+ glutJoystickFuncUcall( NULL, pollInterval, NULL );
}
/*
- * Sets the tablet motion callback for the current window
+ * Sets the spaceball motion callback for the current window
*/
-void FGAPIENTRY glutTabletMotionFunc( void (* callback)( int, int ) )
+void FGAPIENTRY glutSpaceballMotionFuncUcall( FGCBSpaceMotionUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTabletMotionFunc" );
- SET_CALLBACK( TabletMotion );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballMotionFuncUcall" );
+ fgInitialiseSpaceball();
+
+ SET_CALLBACK( SpaceMotion );
}
-/*
- * Sets the tablet buttons callback for the current window
- */
-void FGAPIENTRY glutTabletButtonFunc( void (* callback)( int, int, int, int ) )
+static void glutSpaceballMotionFuncCallback( int x, int y, int z, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTabletButtonFunc" );
- SET_CALLBACK( TabletButton );
+ FGCBSpaceMotion callback = (FGCBSpaceMotion)userData;
+ callback( x, y, z );
}
-/*
- * Sets the multi-pointer entry callback for the current window
- */
-void FGAPIENTRY glutMultiEntryFunc( void (* callback)(int, int ) )
+void FGAPIENTRY glutSpaceballMotionFunc( FGCBSpaceMotion callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMultiEntryFunc" );
- SET_CALLBACK( MultiEntry );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballMotionFunc" );
+ if( callback )
+ glutSpaceballMotionFuncUcall( glutSpaceballMotionFuncCallback, (FGCBUserData)callback );
+ else
+ glutSpaceballMotionFuncUcall( NULL, NULL );
}
/*
- * Sets the multi-pointer button callback for the current window
+ * Sets the spaceball rotate callback for the current window
*/
-void FGAPIENTRY glutMultiButtonFunc( void (* callback)(int, int, int, int, int ) )
+void FGAPIENTRY glutSpaceballRotateFuncUcall( FGCBSpaceRotationUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMultiButtonFunc" );
- SET_CALLBACK( MultiButton );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballRotateFuncUcall" );
+ fgInitialiseSpaceball();
+
+ SET_CALLBACK( SpaceRotation );
}
-/*
- * Sets the multi-pointer motion callback for the current window
- */
-void FGAPIENTRY glutMultiMotionFunc( void (* callback)(int, int, int ) )
+static void glutSpaceballRotateFuncCallback( int x, int y, int z, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMultiMotionFunc" );
- SET_CALLBACK( MultiMotion );
+ FGCBSpaceRotation callback = (FGCBSpaceRotation)userData;
+ callback( x, y, z );
}
-/*
- * Sets the multi-pointer passive motion callback for the current window
- */
-void FGAPIENTRY glutMultiPassiveFunc( void (* callback)(int, int, int ) )
+void FGAPIENTRY glutSpaceballRotateFunc( FGCBSpaceRotation callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMultiPassiveFunc" );
- SET_CALLBACK( MultiPassive );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballRotateFunc" );
+ if( callback )
+ glutSpaceballRotateFuncUcall( glutSpaceballRotateFuncCallback, (FGCBUserData)callback );
+ else
+ glutSpaceballRotateFuncUcall( NULL, NULL );
}
/*
- * Sets the context reload callback for the current window
+ * Sets the spaceball button callback for the current window
*/
-void FGAPIENTRY glutFixMyNameInitContextFunc( void (* callback)() )
+void FGAPIENTRY glutSpaceballButtonFuncUcall( FGCBSpaceButtonUC callback, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFixMyNameInitContextFunc" );
- SET_CALLBACK( FixMyNameInitContext );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballButtonFuncUcall" );
+ fgInitialiseSpaceball();
+
+ SET_CALLBACK( SpaceButton );
}
-/*
- * Sets the pause callback for the current window
- */
-void FGAPIENTRY glutFixMyNamePauseFunc( void (* callback)() )
+static void glutSpaceballButtonFuncCallback( int button, int buttonState, FGCBUserData userData )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFixMyNamePauseFunc" );
- SET_CALLBACK( FixMyNamePause );
+ FGCBSpaceButton callback = (FGCBSpaceButton)userData;
+ callback( button, buttonState );
}
-/*
- * Sets the resume callback for the current window
- */
-void FGAPIENTRY glutFixMyNameResumeFunc( void (* callback)() )
+void FGAPIENTRY glutSpaceballButtonFunc( FGCBSpaceButton callback )
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFixMyNameResumeFunc" );
- SET_CALLBACK( FixMyNameResume );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballButtonFunc" );
+ if( callback )
+ glutSpaceballButtonFuncUcall( glutSpaceballButtonFuncCallback, (FGCBUserData)callback );
+ else
+ glutSpaceballButtonFuncUcall( NULL, NULL );
}
/*** END OF FILE ***/
projects / freeglut / blobdiff