X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffg_callbacks.c;h=0e656a805ead2c10661fe800d5ffa0c9c4b6471b;hb=071be85d52e073ab57e290d3ee9a458b34ff0b4e;hp=1d895058444e816abd0ab6e19e3f1ded8d39575c;hpb=0b246b477db787417d63339648d13e3b7afc35af;p=freeglut diff --git a/src/fg_callbacks.c b/src/fg_callbacks.c index 1d89505..0e656a8 100644 --- a/src/fg_callbacks.c +++ b/src/fg_callbacks.c @@ -1,5 +1,5 @@ /* - * freeglut_callbacks.c + * fg_callbacks.c * * The callbacks setting methods. * @@ -30,23 +30,26 @@ /* -- 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) ) { @@ -59,10 +62,12 @@ void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int tim "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 ) @@ -72,6 +77,17 @@ void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int tim 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 ) + glutTimerFuncUcall( timeOut, fghTimerFuncCallback, timerID, (FGCBUserData)callback ); + else + glutTimerFuncUcall( timeOut, NULL, timerID, NULL ); +} + /* Deprecated version of glutMenuStatusFunc callback setting method */ void FGAPIENTRY glutMenuStateFunc( FGCBMenuState callback ) { @@ -80,89 +96,92 @@ 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, @@ -178,7 +197,7 @@ void FGAPIENTRY glutDisplayFunc( FGCBDisplay callback ) * 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; @@ -186,7 +205,7 @@ static void fghVisibility( int status ) freeglut_return_if_fail( fgStructure.CurrentWindow ); /* Translate window status func states to visibility states */ - if( ( GLUT_HIDDEN == status ) || ( GLUT_FULLY_COVERED == status ) ) + if( ( status == GLUT_HIDDEN) || ( status == GLUT_FULLY_COVERED) ) vis_status = GLUT_NOT_VISIBLE; else /* GLUT_FULLY_RETAINED, GLUT_PARTIALLY_RETAINED */ vis_status = GLUT_VISIBLE; @@ -194,77 +213,113 @@ static void fghVisibility( int 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" ); - 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 ) + glutJoystickFuncUcall( fghJoystickFuncCallback, 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 ); + 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 ***/