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Finished implementing all user-data callbacks (GCC-only for now).

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Updated glutCreateMenu, glutIdleFunc, and glutTimerFunc so they handle NULL callback cases.
Removed glutMenuStateFuncUcall (as glutMenuStateFunc is a depreciated function).
This commit is contained in:
Rcmaniac25 2015-08-21 16:42:31 -04:00
parent 2a5af16426
commit ea5b9552fb
8 changed files with 569 additions and 141 deletions
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9
freeglut/freeglut/include/GL/freeglut_ucall.h
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@ -45,7 +45,6 @@ FGAPI void FGAPIENTRY glutEntryFuncUcall( void (* callback)( int, void* ), void*
FGAPI void FGAPIENTRY glutKeyboardUpFuncUcall( void (* callback)( unsigned char, int, int, void* ), void* user_data ); FGAPI void FGAPIENTRY glutKeyboardUpFuncUcall( void (* callback)( unsigned char, int, int, void* ), void* user_data );
FGAPI void FGAPIENTRY glutSpecialUpFuncUcall( void (* callback)( int, int, int, void* ), void* user_data ); FGAPI void FGAPIENTRY glutSpecialUpFuncUcall( void (* callback)( int, int, int, void* ), void* user_data );
FGAPI void FGAPIENTRY glutJoystickFuncUcall( void (* callback)( unsigned int, int, int, int, void* ), int pollInterval, void* user_data ); FGAPI void FGAPIENTRY glutJoystickFuncUcall( void (* callback)( unsigned int, int, int, int, void* ), int pollInterval, void* user_data );
FGAPI void FGAPIENTRY glutMenuStateFuncUcall( void (* callback)( int, void* ), void* user_data );
FGAPI void FGAPIENTRY glutMenuStatusFuncUcall( void (* callback)( int, int, int, void* ), void* user_data ); FGAPI void FGAPIENTRY glutMenuStatusFuncUcall( void (* callback)( int, int, int, void* ), void* user_data );
FGAPI void FGAPIENTRY glutOverlayDisplayFuncUcall( void (* callback)( void* ), void* user_data ); FGAPI void FGAPIENTRY glutOverlayDisplayFuncUcall( void (* callback)( void* ), void* user_data );
FGAPI void FGAPIENTRY glutWindowStatusFuncUcall( void (* callback)( int, void* ), void* user_data ); FGAPI void FGAPIENTRY glutWindowStatusFuncUcall( void (* callback)( int, void* ), void* user_data );
@ -76,12 +75,12 @@ FGAPI void FGAPIENTRY glutMultiPassiveFuncUcall( void (* callback)( int, int, in
* Initialization functions, see fg_init.c * Initialization functions, see fg_init.c
*/ */
#include <stdarg.h> #include <stdarg.h>
FGAPI void FGAPIENTRY glutInitErrorFuncUcall( void (* callback)( const char *fmt, va_list ap, void* ), void* user_data ); FGAPI void FGAPIENTRY glutInitErrorFuncUcall( void (* callback)( const char *fmt, va_list ap, void* user_data ), void* user_data );
FGAPI void FGAPIENTRY glutInitWarningFuncUcall( void (* callback)( const char *fmt, va_list ap, void* ), void* user_data ); FGAPI void FGAPIENTRY glutInitWarningFuncUcall( void (* callback)( const char *fmt, va_list ap, void* user_data ), void* user_data );
/* Mobile platforms lifecycle */ /* Mobile platforms lifecycle */
FGAPI void FGAPIENTRY glutInitContextFuncUcall(void (* callback)(void*), void* user_data); FGAPI void FGAPIENTRY glutInitContextFuncUcall( void (* callback)( void* ), void* user_data );
FGAPI void FGAPIENTRY glutAppStatusFuncUcall(void (* callback)(int, void*), void* user_data); FGAPI void FGAPIENTRY glutAppStatusFuncUcall( void (* callback)( int, void* ), void* user_data );
#ifdef __cplusplus #ifdef __cplusplus
} }

347
freeglut/freeglut/src/fg_callbacks.c
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@ -42,7 +42,7 @@ void FGAPIENTRY glutIdleFuncUcall( FGCBIdleUC callback, FGCBUserData userData )
fgState.IdleCallbackData = userData; fgState.IdleCallbackData = userData;
} }
void glutIdleFuncCallback( void* userData ) static void glutIdleFuncCallback( FGCBUserData userData )
{ {
FGCBIdle callback = (FGCBIdle)userData; FGCBIdle callback = (FGCBIdle)userData;
callback(); callback();
@ -51,7 +51,10 @@ void glutIdleFuncCallback( void* userData )
void FGAPIENTRY glutIdleFunc( FGCBIdle callback ) void FGAPIENTRY glutIdleFunc( FGCBIdle callback )
{ {
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFunc" ); FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFunc" );
if( callback )
glutIdleFuncUcall( glutIdleFuncCallback, (FGCBUserData)callback ); glutIdleFuncUcall( glutIdleFuncCallback, (FGCBUserData)callback );
else
glutIdleFuncUcall( NULL, NULL );
} }
/* Creates a timer and sets its callback */ /* Creates a timer and sets its callback */
@ -87,7 +90,7 @@ void FGAPIENTRY glutTimerFuncUcall( unsigned int timeOut, FGCBTimerUC callback,
fgListInsert( &fgState.Timers, &node->Node, &timer->Node ); fgListInsert( &fgState.Timers, &node->Node, &timer->Node );
} }
void glutTimerFuncCallback( int ID, FGCBUserData userData ) static void glutTimerFuncCallback( int ID, FGCBUserData userData )
{ {
FGCBTimer callback = (FGCBTimer)userData; FGCBTimer callback = (FGCBTimer)userData;
callback( ID ); callback( ID );
@ -96,7 +99,10 @@ void glutTimerFuncCallback( int ID, FGCBUserData userData )
void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int timerID ) void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int timerID )
{ {
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFunc" ); FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFunc" );
if( callback )
glutTimerFuncUcall( timeOut, glutTimerFuncCallback, timerID, (FGCBUserData)callback ); glutTimerFuncUcall( timeOut, glutTimerFuncCallback, timerID, (FGCBUserData)callback );
else
glutTimerFuncUcall( timeOut, NULL, timerID, NULL );
} }
/* Deprecated version of glutMenuStatusFunc callback setting method */ /* Deprecated version of glutMenuStatusFunc callback setting method */
@ -107,10 +113,26 @@ void FGAPIENTRY glutMenuStateFunc( FGCBMenuState callback )
} }
/* Sets the global menu status callback for the current window */ /* Sets the global menu status callback for the current window */
void FGAPIENTRY glutMenuStatusFuncUCall( FGCBMenuStatusUC callback, FGCBUserData userData )
{
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 ) void FGAPIENTRY glutMenuStatusFunc( FGCBMenuStatus callback )
{ {
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFunc" ); FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFunc" );
fgState.MenuStatusCallback = callback; if( callback )
glutMenuStatusFuncUCall( glutMenuStatusFuncCallback, (FGCBUserData)callback );
else
glutMenuStatusFuncUCall( NULL, NULL );
} }
@ -118,11 +140,29 @@ void FGAPIENTRY glutMenuStatusFunc( FGCBMenuStatus callback )
* Menu specific callbacks. * Menu specific callbacks.
*/ */
/* Callback upon menu destruction */ /* Callback upon menu destruction */
void FGAPIENTRY glutMenuDestroyFuncUcall( FGCBDestroyUC callback, FGCBUserData userData )
{
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 ) void FGAPIENTRY glutMenuDestroyFunc( FGCBDestroy callback )
{ {
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFunc" ); FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFunc" );
if( fgStructure.CurrentMenu ) if( callback )
fgStructure.CurrentMenu->Destroy = callback; glutMenuDestroyFuncUcall( glutMenuDestroyFuncCallback, (FGCBUserData)callback );
else
glutMenuDestroyFuncUcall( NULL, NULL );
} }
@ -134,73 +174,189 @@ do \
{ \ { \
if( fgStructure.CurrentWindow == NULL ) \ if( fgStructure.CurrentWindow == NULL ) \
return; \ return; \
SET_WCB( ( *( fgStructure.CurrentWindow ) ), a, callback ); \ SET_WCB( ( *( fgStructure.CurrentWindow ) ), a, callback, userData ); \
} while( 0 ) } 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: * And almost every time the callback setter function can be implemented like this:
*/ */
#define IMPLEMENT_CALLBACK_FUNC_2NAME(a,b) \ #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 ) \ void FGAPIENTRY glut##a##Func( FGCB##b callback ) \
{ \ { \
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glut"#a"Func" ); \ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glut"#a"Func" ); \
SET_CALLBACK( b ); \ 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)
#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 all these callback setter functions... */
IMPLEMENT_CALLBACK_FUNC(Position) IMPLEMENT_CALLBACK_FUNC_ARG2(Position)
IMPLEMENT_CALLBACK_FUNC(Keyboard) IMPLEMENT_CALLBACK_FUNC_ARG3_USER(Keyboard,unsigned char,int,int)
IMPLEMENT_CALLBACK_FUNC(KeyboardUp) IMPLEMENT_CALLBACK_FUNC_ARG3_USER(KeyboardUp,unsigned char,int,int)
IMPLEMENT_CALLBACK_FUNC(Special) IMPLEMENT_CALLBACK_FUNC_ARG3(Special)
IMPLEMENT_CALLBACK_FUNC(SpecialUp) IMPLEMENT_CALLBACK_FUNC_ARG3(SpecialUp)
IMPLEMENT_CALLBACK_FUNC(Mouse) IMPLEMENT_CALLBACK_FUNC_ARG4(Mouse)
IMPLEMENT_CALLBACK_FUNC(MouseWheel) IMPLEMENT_CALLBACK_FUNC_ARG4(MouseWheel)
IMPLEMENT_CALLBACK_FUNC(Motion) IMPLEMENT_CALLBACK_FUNC_ARG2(Motion)
IMPLEMENT_CALLBACK_FUNC_2NAME(PassiveMotion,Passive) IMPLEMENT_CALLBACK_FUNC_ARG2_2NAME(PassiveMotion,Passive)
IMPLEMENT_CALLBACK_FUNC(Entry) IMPLEMENT_CALLBACK_FUNC_ARG1(Entry)
/* glutWMCloseFunc is an alias for glutCloseFunc; both set the window's Destroy callback */ /* glutWMCloseFunc is an alias for glutCloseFunc; both set the window's Destroy callback */
IMPLEMENT_CALLBACK_FUNC_2NAME(Close,Destroy) IMPLEMENT_CALLBACK_FUNC_ARG0_2NAME(Close,Destroy)
IMPLEMENT_CALLBACK_FUNC_2NAME(WMClose,Destroy) IMPLEMENT_CALLBACK_FUNC_ARG0_2NAME(WMClose,Destroy)
IMPLEMENT_CALLBACK_FUNC(OverlayDisplay) IMPLEMENT_CALLBACK_FUNC_ARG0(OverlayDisplay)
IMPLEMENT_CALLBACK_FUNC(WindowStatus) IMPLEMENT_CALLBACK_FUNC_ARG1(WindowStatus)
IMPLEMENT_CALLBACK_FUNC(ButtonBox) IMPLEMENT_CALLBACK_FUNC_ARG2(ButtonBox)
IMPLEMENT_CALLBACK_FUNC(Dials) IMPLEMENT_CALLBACK_FUNC_ARG2(Dials)
IMPLEMENT_CALLBACK_FUNC(TabletMotion) IMPLEMENT_CALLBACK_FUNC_ARG2(TabletMotion)
IMPLEMENT_CALLBACK_FUNC(TabletButton) IMPLEMENT_CALLBACK_FUNC_ARG4(TabletButton)
IMPLEMENT_CALLBACK_FUNC(MultiEntry) IMPLEMENT_CALLBACK_FUNC_ARG2(MultiEntry)
IMPLEMENT_CALLBACK_FUNC(MultiButton) IMPLEMENT_CALLBACK_FUNC_ARG5(MultiButton)
IMPLEMENT_CALLBACK_FUNC(MultiMotion) IMPLEMENT_CALLBACK_FUNC_ARG3(MultiMotion)
IMPLEMENT_CALLBACK_FUNC(MultiPassive) IMPLEMENT_CALLBACK_FUNC_ARG3(MultiPassive)
IMPLEMENT_CALLBACK_FUNC(InitContext) IMPLEMENT_CALLBACK_FUNC_ARG0(InitContext)
IMPLEMENT_CALLBACK_FUNC(AppStatus) IMPLEMENT_CALLBACK_FUNC_ARG1(AppStatus)
/* /*
* Sets the Display callback for the current window * 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 ) if( !callback )
fgError( "Fatal error in program. NULL display callback not " fgError( "Fatal error in program. NULL display callback not "
"permitted in GLUT 3.0+ or freeglut 2.0.1+" ); "permitted in GLUT 3.0+ or freeglut 2.0.1+" );
SET_CALLBACK( Display ); SET_CALLBACK( Display );
} }
void fghDefaultReshape(int width, int height) 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 ); 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 ) void FGAPIENTRY glutReshapeFunc( FGCBReshape callback )
{ {
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFunc" ); FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFunc" );
if( callback )
if( !callback ) glutReshapeFuncUcall( glutReshapeFuncCallback, (FGCBUserData)callback );
callback = fghDefaultReshape; else
glutReshapeFuncUcall( NULL, NULL );
SET_CALLBACK( Reshape );
} }
/* /*
@ -218,7 +374,7 @@ void FGAPIENTRY glutReshapeFunc( FGCBReshape callback )
* http://stackoverflow.com/questions/5445889/get-which-process-window-is-actually-visible-in-c-sharp * 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). * 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; int vis_status;
@ -234,23 +390,44 @@ static void fghVisibility( int status )
INVOKE_WCB( *( fgStructure.CurrentWindow ), Visibility, ( 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 ); SET_CALLBACK( Visibility );
if( callback ) if( callback )
glutWindowStatusFunc( fghVisibility ); glutWindowStatusFuncUcall( fghVisibility, NULL );
else 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 * 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 (); fgInitialiseJoysticks ();
if ( ( if ( (
@ -281,39 +458,97 @@ void FGAPIENTRY glutJoystickFunc( FGCBJoystick callback, int pollInterval )
fgStructure.CurrentWindow->State.JoystickLastPoll -= pollInterval; 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 * 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(); fgInitialiseSpaceball();
SET_CALLBACK( SpaceMotion ); 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 * 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(); fgInitialiseSpaceball();
SET_CALLBACK( SpaceRotation ); 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 * 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(); fgInitialiseSpaceball();
SET_CALLBACK( SpaceButton ); 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 ***/ /*** END OF FILE ***/

36
freeglut/freeglut/src/fg_ext.c
View File

@ -215,7 +215,41 @@ static GLUTproc fghGetGLUTProcAddress( const char* procName )
CHECK_NAME(glutCreateMenuUcall); CHECK_NAME(glutCreateMenuUcall);
CHECK_NAME(glutTimerFuncUcall); CHECK_NAME(glutTimerFuncUcall);
CHECK_NAME(glutIdleFuncUcall); CHECK_NAME(glutIdleFuncUcall);
//TODO CHECK_NAME(glutKeyboardFuncUcall);
CHECK_NAME(glutSpecialFuncUcall);
CHECK_NAME(glutReshapeFuncUcall);
CHECK_NAME(glutVisibilityFuncUcall);
CHECK_NAME(glutDisplayFuncUcall);
CHECK_NAME(glutMouseFuncUcall);
CHECK_NAME(glutMotionFuncUcall);
CHECK_NAME(glutPassiveMotionFuncUcall);
CHECK_NAME(glutEntryFuncUcall);
CHECK_NAME(glutKeyboardUpFuncUcall);
CHECK_NAME(glutSpecialUpFuncUcall);
CHECK_NAME(glutJoystickFuncUcall);
CHECK_NAME(glutMenuStatusFuncUcall);
CHECK_NAME(glutOverlayDisplayFuncUcall);
CHECK_NAME(glutWindowStatusFuncUcall);
CHECK_NAME(glutSpaceballMotionFuncUcall);
CHECK_NAME(glutSpaceballRotateFuncUcall);
CHECK_NAME(glutSpaceballButtonFuncUcall);
CHECK_NAME(glutButtonBoxFuncUcall);
CHECK_NAME(glutDialsFuncUcall);
CHECK_NAME(glutTabletMotionFuncUcall);
CHECK_NAME(glutTabletButtonFuncUcall);
CHECK_NAME(glutMouseWheelFuncUcall);
CHECK_NAME(glutPositionFuncUcall);
CHECK_NAME(glutCloseFuncUcall);
CHECK_NAME(glutWMCloseFuncUcall);
CHECK_NAME(glutMenuDestroyFuncUcall);
CHECK_NAME(glutMultiEntryFuncUcall);
CHECK_NAME(glutMultiButtonFuncUcall);
CHECK_NAME(glutMultiMotionFuncUcall);
CHECK_NAME(glutMultiPassiveFuncUcall);
CHECK_NAME(glutInitErrorFuncUcall);
CHECK_NAME(glutInitWarningFuncUcall);
CHECK_NAME(glutInitContextFuncUcall);
CHECK_NAME(glutAppStatusFuncUcall);
#undef CHECK_NAME #undef CHECK_NAME
return NULL; return NULL;

44
freeglut/freeglut/src/fg_init.c
View File

@ -74,6 +74,7 @@ SFG_State fgState = { { -1, -1, GL_FALSE }, /* Position */
0, /* ActiveMenus */ 0, /* ActiveMenus */
NULL, /* MenuStateCallback */ NULL, /* MenuStateCallback */
NULL, /* MenuStatusCallback */ NULL, /* MenuStatusCallback */
NULL, /* MenuStatusCallbackData */
FREEGLUT_MENU_FONT, FREEGLUT_MENU_FONT,
{ -1, -1, GL_TRUE }, /* GameModeSize */ { -1, -1, GL_TRUE }, /* GameModeSize */
-1, /* GameModeDepth */ -1, /* GameModeDepth */
@ -96,7 +97,9 @@ SFG_State fgState = { { -1, -1, GL_FALSE }, /* Position */
0, /* OpenGL ContextProfile */ 0, /* OpenGL ContextProfile */
0, /* HasOpenGL20 */ 0, /* HasOpenGL20 */
NULL, /* ErrorFunc */ NULL, /* ErrorFunc */
NULL /* WarningFunc */ NULL, /* ErrorFuncData */
NULL, /* WarningFunc */
NULL /* WarningFuncData */
}; };
@ -299,10 +302,11 @@ void fgDeinitialize( void )
fgListInit( &fgState.Timers ); fgListInit( &fgState.Timers );
fgListInit( &fgState.FreeTimers ); fgListInit( &fgState.FreeTimers );
fgState.IdleCallback = NULL; fgState.IdleCallback = ( FGCBIdleUC )NULL;
fgState.IdleCallbackData = NULL; fgState.IdleCallbackData = NULL;
fgState.MenuStateCallback = ( FGCBMenuState )NULL; fgState.MenuStateCallback = ( FGCBMenuState )NULL;
fgState.MenuStatusCallback = ( FGCBMenuStatus )NULL; fgState.MenuStatusCallback = ( FGCBMenuStatusUC )NULL;
fgState.MenuStatusCallbackData = NULL;
fgState.SwapCount = 0; fgState.SwapCount = 0;
fgState.SwapTime = 0; fgState.SwapTime = 0;
@ -670,19 +674,49 @@ void FGAPIENTRY glutInitContextProfile( int profile )
/* /*
* Sets the user error handler (note the use of va_list for the args to the fmt) * Sets the user error handler (note the use of va_list for the args to the fmt)
*/ */
void FGAPIENTRY glutInitErrorFunc( FGError callback ) void FGAPIENTRY glutInitErrorFuncUcall( FGErrorUC callback, FGCBUserData userData )
{ {
/* This allows user programs to handle freeglut errors */ /* This allows user programs to handle freeglut errors */
fgState.ErrorFunc = callback; fgState.ErrorFunc = callback;
fgState.ErrorFuncData = userData;
}
static void glutInitErrorFuncCallback( const char *fmt, va_list ap, FGCBUserData userData )
{
FGError callback = (FGError)userData;
callback( fmt, ap );
}
void FGAPIENTRY glutInitErrorFunc( FGError callback )
{
if (callback)
glutInitErrorFuncUcall( glutInitErrorFuncCallback, (FGCBUserData)callback );
else
glutInitErrorFuncUcall( NULL, NULL );
} }
/* /*
* Sets the user warning handler (note the use of va_list for the args to the fmt) * Sets the user warning handler (note the use of va_list for the args to the fmt)
*/ */
void FGAPIENTRY glutInitWarningFunc( FGWarning callback ) void FGAPIENTRY glutInitWarningFuncUcall( FGWarningUC callback, FGCBUserData userData )
{ {
/* This allows user programs to handle freeglut warnings */ /* This allows user programs to handle freeglut warnings */
fgState.WarningFunc = callback; fgState.WarningFunc = callback;
fgState.WarningFuncData = userData;
}
static void glutInitWarningFuncCallback( const char *fmt, va_list ap, FGCBUserData userData )
{
FGWarning callback = (FGWarning)userData;
callback( fmt, ap );
}
void FGAPIENTRY glutInitWarningFunc( FGWarning callback )
{
if (callback)
glutInitWarningFuncUcall( glutInitWarningFuncCallback, (FGCBUserData)callback );
else
glutInitWarningFuncUcall( NULL, NULL );
} }
/*** END OF FILE ***/ /*** END OF FILE ***/

154
freeglut/freeglut/src/fg_internal.h
View File

@ -219,53 +219,86 @@
typedef void* FGCBUserData; typedef void* FGCBUserData;
typedef void (* FGCBDisplay )( void ); typedef void (* FGCBDisplay )( void );
typedef void (* FGCBDisplayUC )( FGCBUserData );
typedef void (* FGCBReshape )( int, int ); typedef void (* FGCBReshape )( int, int );
typedef void (* FGCBReshapeUC )( int, int, FGCBUserData );
typedef void (* FGCBPosition )( int, int ); typedef void (* FGCBPosition )( int, int );
typedef void (* FGCBPositionUC )( int, int, FGCBUserData );
typedef void (* FGCBVisibility )( int ); typedef void (* FGCBVisibility )( int );
typedef void (* FGCBVisibilityUC )( int, FGCBUserData );
typedef void (* FGCBKeyboard )( unsigned char, int, int ); typedef void (* FGCBKeyboard )( unsigned char, int, int );
typedef void (* FGCBKeyboardUC )( unsigned char, int, int, FGCBUserData );
typedef void (* FGCBKeyboardUp )( unsigned char, int, int ); typedef void (* FGCBKeyboardUp )( unsigned char, int, int );
typedef void (* FGCBKeyboardUpUC )( unsigned char, int, int, FGCBUserData );
typedef void (* FGCBSpecial )( int, int, int ); typedef void (* FGCBSpecial )( int, int, int );
typedef void (* FGCBSpecialUC )( int, int, int, FGCBUserData );
typedef void (* FGCBSpecialUp )( int, int, int ); typedef void (* FGCBSpecialUp )( int, int, int );
typedef void (* FGCBSpecialUpUC )( int, int, int, FGCBUserData );
typedef void (* FGCBMouse )( int, int, int, int ); typedef void (* FGCBMouse )( int, int, int, int );
typedef void (* FGCBMouseUC )( int, int, int, int, FGCBUserData );
typedef void (* FGCBMouseWheel )( int, int, int, int ); typedef void (* FGCBMouseWheel )( int, int, int, int );
typedef void (* FGCBMouseWheelUC )( int, int, int, int, FGCBUserData );
typedef void (* FGCBMotion )( int, int ); typedef void (* FGCBMotion )( int, int );
typedef void (* FGCBMotionUC )( int, int, FGCBUserData );
typedef void (* FGCBPassive )( int, int ); typedef void (* FGCBPassive )( int, int );
typedef void (* FGCBPassiveUC )( int, int, FGCBUserData );
typedef void (* FGCBEntry )( int ); typedef void (* FGCBEntry )( int );
typedef void (* FGCBEntryUC )( int, FGCBUserData );
typedef void (* FGCBWindowStatus )( int ); typedef void (* FGCBWindowStatus )( int );
typedef void (* FGCBWindowStatusUC )( int, FGCBUserData );
typedef void (* FGCBJoystick )( unsigned int, int, int, int ); typedef void (* FGCBJoystick )( unsigned int, int, int, int );
typedef void (* FGCBOverlayDisplay)( void ); typedef void (* FGCBJoystickUC )( unsigned int, int, int, int, FGCBUserData );
typedef void (* FGCBOverlayDisplay )( void );
typedef void (* FGCBOverlayDisplayUC)( FGCBUserData );
typedef void (* FGCBSpaceMotion )( int, int, int ); typedef void (* FGCBSpaceMotion )( int, int, int );
typedef void (* FGCBSpaceMotionUC )( int, int, int, FGCBUserData );
typedef void (* FGCBSpaceRotation )( int, int, int ); typedef void (* FGCBSpaceRotation )( int, int, int );
typedef void (* FGCBSpaceRotationUC )( int, int, int, FGCBUserData );
typedef void (* FGCBSpaceButton )( int, int ); typedef void (* FGCBSpaceButton )( int, int );
typedef void (* FGCBSpaceButtonUC )( int, int, FGCBUserData );
typedef void (* FGCBDials )( int, int ); typedef void (* FGCBDials )( int, int );
typedef void (* FGCBDialsUC )( int, int, FGCBUserData );
typedef void (* FGCBButtonBox )( int, int ); typedef void (* FGCBButtonBox )( int, int );
typedef void (* FGCBButtonBoxUC )( int, int, FGCBUserData );
typedef void (* FGCBTabletMotion )( int, int ); typedef void (* FGCBTabletMotion )( int, int );
typedef void (* FGCBTabletMotionUC )( int, int, FGCBUserData );
typedef void (* FGCBTabletButton )( int, int, int, int ); typedef void (* FGCBTabletButton )( int, int, int, int );
typedef void (* FGCBTabletButtonUC )( int, int, int, int, FGCBUserData );
typedef void (* FGCBDestroy )( void ); /* Used for both window and menu destroy callbacks */ typedef void (* FGCBDestroy )( void ); /* Used for both window and menu destroy callbacks */
typedef void (* FGCBDestroyUC )( FGCBUserData );
typedef void (* FGCBMultiEntry )( int, int ); typedef void (* FGCBMultiEntry )( int, int );
typedef void (* FGCBMultiEntryUC )( int, int, FGCBUserData );
typedef void (* FGCBMultiButton )( int, int, int, int, int ); typedef void (* FGCBMultiButton )( int, int, int, int, int );
typedef void (* FGCBMultiButtonUC )( int, int, int, int, int, FGCBUserData );
typedef void (* FGCBMultiMotion )( int, int, int ); typedef void (* FGCBMultiMotion )( int, int, int );
typedef void (* FGCBMultiMotionUC )( int, int, int, FGCBUserData );
typedef void (* FGCBMultiPassive )( int, int, int ); typedef void (* FGCBMultiPassive )( int, int, int );
typedef void (* FGCBMultiPassiveUC )( int, int, int, FGCBUserData );
typedef void (* FGCBInitContext)(); typedef void (* FGCBInitContext )( void );
typedef void (* FGCBAppStatus)(int); typedef void (* FGCBInitContextUC )( FGCBUserData );
typedef void (* FGCBAppStatus )( int );
typedef void (* FGCBAppStatusUC )( int, FGCBUserData );
/* The global callbacks type definitions */ /* The global callbacks type definitions */
typedef void (* FGCBIdle )( void ); typedef void (* FGCBIdle )( void ); \
typedef void (* FGCBIdleUC )( FGCBUserData ); typedef void (* FGCBIdleUC )( FGCBUserData );
typedef void (* FGCBTimer )( int ); typedef void (* FGCBTimer )( int );
typedef void (* FGCBTimerUC )( int, FGCBUserData ); typedef void (* FGCBTimerUC )( int, FGCBUserData );
typedef void (* FGCBMenuState )( int ); typedef void (* FGCBMenuState )( int );
typedef void (* FGCBMenuStatus )( int, int, int ); typedef void (* FGCBMenuStatus )( int, int, int );
typedef void (* FGCBMenuStatusUC )( int, int, int, FGCBUserData );
/* The callback used when creating/using menus */ /* The callback used when creating/using menus */
typedef void (* FGCBMenu )( int ); typedef void (* FGCBMenu )( int );
typedef void (* FGCBMenuUC )( int, FGCBUserData ); typedef void (* FGCBMenuUC )( int, FGCBUserData );
/* The FreeGLUT error/warning handler type definition */ /* The FreeGLUT error/warning handler type definition */
typedef void (* FGError ) ( const char *fmt, va_list ap); typedef void (* FGError )( const char *fmt, va_list ap );
typedef void (* FGWarning ) ( const char *fmt, va_list ap); typedef void (* FGErrorUC )( const char *fmt, va_list ap, FGCBUserData userData );
typedef void (* FGWarning )( const char *fmt, va_list ap );
typedef void (* FGWarningUC )( const char *fmt, va_list ap, FGCBUserData userData );
/* A list structure */ /* A list structure */
@ -337,7 +370,8 @@ struct tagSFG_State
int ActiveMenus; /* Num. of currently active menus */ int ActiveMenus; /* Num. of currently active menus */
FGCBMenuState MenuStateCallback; /* Menu callbacks are global */ FGCBMenuState MenuStateCallback; /* Menu callbacks are global */
FGCBMenuStatus MenuStatusCallback; FGCBMenuStatusUC MenuStatusCallback;
FGCBUserData MenuStatusCallbackData;
void* MenuFont; /* Font to be used for newly created menus */ void* MenuFont; /* Font to be used for newly created menus */
SFG_XYUse GameModeSize; /* Game mode screen's dimensions */ SFG_XYUse GameModeSize; /* Game mode screen's dimensions */
@ -354,7 +388,7 @@ struct tagSFG_State
int MouseWheelTicks; /* Number of ticks the mouse wheel has turned */ int MouseWheelTicks; /* Number of ticks the mouse wheel has turned */
int AuxiliaryBufferNumber; /* Number of auxiliary buffers */ int AuxiliaryBufferNumber;/* Number of auxiliary buffers */
int SampleNumber; /* Number of samples per pixel */ int SampleNumber; /* Number of samples per pixel */
GLboolean SkipStaleMotion; /* skip stale motion events */ GLboolean SkipStaleMotion; /* skip stale motion events */
@ -367,8 +401,10 @@ struct tagSFG_State
int ContextFlags; /* OpenGL context flags */ int ContextFlags; /* OpenGL context flags */
int ContextProfile; /* OpenGL context profile */ int ContextProfile; /* OpenGL context profile */
int HasOpenGL20; /* fgInitGL2 could find all OpenGL 2.0 functions */ int HasOpenGL20; /* fgInitGL2 could find all OpenGL 2.0 functions */
FGError ErrorFunc; /* User defined error handler */ FGErrorUC ErrorFunc; /* User defined error handler */
FGWarning WarningFunc; /* User defined warning handler */ FGCBUserData ErrorFuncData; /* User defined error handler user data */
FGWarningUC WarningFunc; /* User defined warning handler */
FGCBUserData WarningFuncData; /* User defined warning handler user data */
}; };
/* The structure used by display initialization in fg_init.c */ /* The structure used by display initialization in fg_init.c */
@ -519,11 +555,12 @@ typedef void (*SFG_Proc)();
/* /*
* SET_WCB() is used as: * SET_WCB() is used as:
* *
* SET_WCB( window, cbname, func ); * SET_WCB( window, cbname, func, udata );
* *
* ...where {window} is the freeglut window to set the callback, * ...where {window} is the freeglut window to set the callback,
* {cbname} is the window-specific callback to set, * {cbname} is the window-specific callback to set,
* {func} is a function-pointer. * {func} is a function-pointer,
* {udata} is a void* pointer for user data.
* *
* Originally, {FETCH_WCB( ... ) = func} was rather sloppily used, * Originally, {FETCH_WCB( ... ) = func} was rather sloppily used,
* but this can cause warnings because the FETCH_WCB() macro type- * but this can cause warnings because the FETCH_WCB() macro type-
@ -533,11 +570,14 @@ typedef void (*SFG_Proc)();
* and for no other reason. Since it's hidden in the macro, the * and for no other reason. Since it's hidden in the macro, the
* ugliness is felt to be rather benign. * ugliness is felt to be rather benign.
*/ */
#define SET_WCB(window,cbname,func) \ #define SET_WCB(window,cbname,func,udata) \
do \ do \
{ \ { \
if( FETCH_WCB( window, cbname ) != (SFG_Proc)(func) ) \ if( FETCH_WCB( window, cbname ) != (SFG_Proc)(func) ) \
{ \
(((window).CallBacks[WCB_ ## cbname]) = (SFG_Proc)(func)); \ (((window).CallBacks[WCB_ ## cbname]) = (SFG_Proc)(func)); \
(((window).CallbackDatas[WCB_ ## cbname]) = (udata)); \
} \
} while( 0 ) } while( 0 )
/* /*
@ -554,6 +594,82 @@ do \
#define FETCH_WCB(window,cbname) \ #define FETCH_WCB(window,cbname) \
((window).CallBacks[WCB_ ## cbname]) ((window).CallBacks[WCB_ ## cbname])
/*
* FETCH_USER_DATA_WCB() is used as:
*
* FETCH_USER_DATA_WCB( window, cbname );
*
* ...where {window} is the freeglut window,
* {cbname} is the window-specific callback to be invoked,
*
* This expects a variable named "window" of type tagSFG_Window to exist.
*/
/*
* FETCH_USER_DATA_WCB() is used as:
*
* FETCH_USER_DATA_WCB( window, cbname );
*
* ...where {window} is the freeglut window to fetch the callback data from,
* {cbname} is the window-specific callback data to fetch.
*
* The result is the callback data pointer.
*/
#define FETCH_USER_DATA_WCB(window,cbname) \
((window).CallbackDatas[WCB_ ## cbname])
/*
* EXPAND_WCB() is used as:
*
* EXPAND_WCB arg_list
*
* ... where {(arg_list)} is the parameter list.
*
* This will take the arg_list and extend it by one argument, adding
* the argument "userData" to the end of the list.
*
* All additional args are to get around trailing ',', argument counts,
* and not needing a GCC extension to make this work.
*
* Minor modification of:
* http://stackoverflow.com/questions/5355241/generating-function-declaration-using-a-macro-iteration/5355946#5355946
*
* Supports up to five arguments
*/
#if TARGET_HOST_MS_WINDOWS
/* FIXME: Does VC6 support variadic macros? I don't think so (variadic macros came with C99. VC6 came out in 1998) */
/* FIXME: VC++ has a greedy preprocessor.
* The preprocessor resolves the macros on use instead of after on argument completion/token usage.
* e.g.: PP_HAS_ARGS_IMPL2(ONE_OR_MORE, ...) -> PP_HAS_ARGS_IMPL2(, ...) -> "Error, not enough tokens for PP_HAS_ARGS_IMPL2"
*/
#define EXPAND_WCB(...) (__VA_ARGS__)
#else // #if TARGET_HOST_MS_WINDOWS
#define PP_HAS_ARGS_IMPL2(_0, _1, _2, _3, _4, _5, N, ...) N
#define PP_HAS_ARGS_SOURCE() \
ONE_OR_MORE, ONE_OR_MORE, ONE_OR_MORE, ONE_OR_MORE, ONE_OR_MORE, ZERO
#define PP_HAS_ARGS_IMPL(...) \
PP_HAS_ARGS_IMPL2(__VA_ARGS__)
#define PP_HAS_ARGS(...) \
PP_HAS_ARGS_IMPL(NOT_EXIST, ##__VA_ARGS__, PP_HAS_ARGS_SOURCE())
#define EXPAND_WCB_ZERO(x) \
(userData)
#define EXPAND_WCB_ONE_OR_MORE(...) \
(__VA_ARGS__, userData)
#define EXPAND_WCB_DISAMBIGUATE2(has_args, ...) \
EXPAND_WCB_ ## has_args (__VA_ARGS__)
#define EXPAND_WCB_DISAMBIGUATE(has_args, ...) \
EXPAND_WCB_DISAMBIGUATE2(has_args, __VA_ARGS__)
#define EXPAND_WCB(...) \
EXPAND_WCB_DISAMBIGUATE(PP_HAS_ARGS(__VA_ARGS__), __VA_ARGS__)
#endif // #if TARGET_HOST_MS_WINDOWS
/* /*
* INVOKE_WCB() is used as: * INVOKE_WCB() is used as:
* *
@ -579,9 +695,10 @@ do \
{ \ { \
if( FETCH_WCB( window, cbname ) ) \ if( FETCH_WCB( window, cbname ) ) \
{ \ { \
FGCB ## cbname func = (FGCB ## cbname)(FETCH_WCB( window, cbname )); \ FGCB ## cbname ## UC func = (FGCB ## cbname ## UC)(FETCH_WCB( window, cbname )); \
FGCBUserData userData = FETCH_USER_DATA_WCB( window, cbname ); \
fgSetWindow( &window ); \ fgSetWindow( &window ); \
func arg_list; \ func EXPAND_WCB arg_list; \
} \ } \
} while( 0 ) } while( 0 )
#else #else
@ -591,7 +708,8 @@ do \
if( FETCH_WCB( window, cbname ) ) \ if( FETCH_WCB( window, cbname ) ) \
{ \ { \
fgSetWindow( &window ); \ fgSetWindow( &window ); \
((FGCB ## cbname)FETCH_WCB( window, cbname )) arg_list; \ FGCBUserData userData = FETCH_USER_DATA_WCB( window, cbname ); \
((FGCB ## cbname ## UC)FETCH_WCB( window, cbname )) EXPAND_WCB arg_list; \
} \ } \
} while( 0 ) } while( 0 )
#endif #endif
@ -672,7 +790,8 @@ struct tagSFG_Menu
SFG_List Entries; /* The menu entries list */ SFG_List Entries; /* The menu entries list */
FGCBMenuUC Callback; /* The menu callback */ FGCBMenuUC Callback; /* The menu callback */
FGCBUserData CallbackData; /* The menu callback user data */ FGCBUserData CallbackData; /* The menu callback user data */
FGCBDestroy Destroy; /* Destruction callback */ FGCBDestroyUC Destroy; /* Destruction callback */
FGCBUserData DestroyData; /* Destruction callback user data */
GLboolean IsActive; /* Is the menu selected? */ GLboolean IsActive; /* Is the menu selected? */
void* Font; /* Font to be used for displaying this menu */ void* Font; /* Font to be used for displaying this menu */
int Width; /* Menu box width in pixels */ int Width; /* Menu box width in pixels */
@ -710,6 +829,7 @@ struct tagSFG_Window
SFG_Context Window; /* Window and OpenGL context */ SFG_Context Window; /* Window and OpenGL context */
SFG_WindowState State; /* The window state */ SFG_WindowState State; /* The window state */
SFG_Proc CallBacks[ TOTAL_CALLBACKS ]; /* Array of window callbacks */ SFG_Proc CallBacks[ TOTAL_CALLBACKS ]; /* Array of window callbacks */
FGCBUserData CallbackDatas[ TOTAL_CALLBACKS ]; /* Array of window callback datas */
void *UserData ; /* For use by user */ void *UserData ; /* For use by user */
SFG_Menu* Menu[ FREEGLUT_MAX_MENUS ]; /* Menus appended to window */ SFG_Menu* Menu[ FREEGLUT_MAX_MENUS ]; /* Menus appended to window */

4
freeglut/freeglut/src/fg_main.c
View File

@ -269,7 +269,7 @@ void fgError( const char *fmt, ... )
va_start( ap, fmt ); va_start( ap, fmt );
/* call user set error handler here */ /* call user set error handler here */
fgState.ErrorFunc(fmt, ap); fgState.ErrorFunc(fmt, ap, fgState.ErrorFuncData);
va_end( ap ); va_end( ap );
@ -302,7 +302,7 @@ void fgWarning( const char *fmt, ... )
va_start( ap, fmt ); va_start( ap, fmt );
/* call user set warning handler here */ /* call user set warning handler here */
fgState.WarningFunc(fmt, ap); fgState.WarningFunc(fmt, ap, fgState.WarningFuncData);
va_end( ap ); va_end( ap );

8
freeglut/freeglut/src/fg_menu.c
View File

@ -531,7 +531,7 @@ static void fghActivateMenu( SFG_Window* window, int button )
fgState.MenuStateCallback(GLUT_MENU_IN_USE); fgState.MenuStateCallback(GLUT_MENU_IN_USE);
if (fgState.MenuStatusCallback) if (fgState.MenuStatusCallback)
/* window->State.MouseX and window->State.MouseY are relative to client area origin, as needed */ /* window->State.MouseX and window->State.MouseY are relative to client area origin, as needed */
fgState.MenuStatusCallback(GLUT_MENU_IN_USE, window->State.MouseX, window->State.MouseY); fgState.MenuStatusCallback(GLUT_MENU_IN_USE, window->State.MouseX, window->State.MouseY, fgState.MenuStatusCallbackData);
} }
fgSetWindow( menu->Window ); fgSetWindow( menu->Window );
@ -725,7 +725,7 @@ void fgDeactivateMenu( SFG_Window *window )
SFG_XYUse mouse_pos; SFG_XYUse mouse_pos;
fghPlatformGetCursorPos(parent_window, GL_TRUE, &mouse_pos); fghPlatformGetCursorPos(parent_window, GL_TRUE, &mouse_pos);
fgState.MenuStatusCallback(GLUT_MENU_NOT_IN_USE, mouse_pos.X, mouse_pos.Y); fgState.MenuStatusCallback(GLUT_MENU_NOT_IN_USE, mouse_pos.X, mouse_pos.Y, fgState.MenuStatusCallbackData);
} }
} }
} }
@ -791,7 +791,7 @@ int FGAPIENTRY glutCreateMenuUcall( FGCBMenuUC callback, FGCBUserData userData )
} }
/* Standard glutCreateMenu */ /* Standard glutCreateMenu */
void glutCreateMenuCallback( int menu, FGCBUserData userData ) static void glutCreateMenuCallback( int menu, FGCBUserData userData )
{ {
FGCBMenu callback = (FGCBMenu)userData; FGCBMenu callback = (FGCBMenu)userData;
callback( menu ); callback( menu );
@ -800,6 +800,8 @@ void glutCreateMenuCallback( int menu, FGCBUserData userData )
int FGAPIENTRY glutCreateMenu( FGCBMenu callback ) int FGAPIENTRY glutCreateMenu( FGCBMenu callback )
{ {
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateMenu" ); FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateMenu" );
if (!callback)
return glutCreateMenuUcall( NULL, NULL );
return glutCreateMenuUcall( glutCreateMenuCallback, (FGCBUserData)callback ); return glutCreateMenuUcall( glutCreateMenuCallback, (FGCBUserData)callback );
} }

14
freeglut/freeglut/src/fg_structure.c
View File

@ -49,7 +49,7 @@ SFG_Structure fgStructure = { { NULL, NULL }, /* The list of windows */
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */ /* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
extern void fgPlatformCreateWindow ( SFG_Window *window ); extern void fgPlatformCreateWindow ( SFG_Window *window );
extern void fghDefaultReshape(int width, int height); extern void fghDefaultReshape(int width, int height, FGCBUserData userData);
static void fghClearCallBacks( SFG_Window *window ) static void fghClearCallBacks( SFG_Window *window )
{ {
@ -57,7 +57,10 @@ static void fghClearCallBacks( SFG_Window *window )
{ {
int i; int i;
for( i = 0; i < TOTAL_CALLBACKS; ++i ) for( i = 0; i < TOTAL_CALLBACKS; ++i )
{
window->CallBacks[ i ] = NULL; window->CallBacks[ i ] = NULL;
window->CallbackDatas[ i ] = NULL;
}
} }
} }
@ -83,7 +86,7 @@ SFG_Window* fgCreateWindow( SFG_Window* parent, const char* title,
fgPlatformCreateWindow ( window ); fgPlatformCreateWindow ( window );
fghClearCallBacks( window ); fghClearCallBacks( window );
SET_WCB( *window, Reshape, fghDefaultReshape); SET_WCB( *window, Reshape, fghDefaultReshape, NULL);
/* Initialize the object properties */ /* Initialize the object properties */
window->ID = ++fgStructure.WindowID; window->ID = ++fgStructure.WindowID;
@ -174,9 +177,10 @@ void fgAddToWindowDestroyList( SFG_Window* window )
* to ensure that they are no longer called after this point. * to ensure that they are no longer called after this point.
*/ */
{ {
FGCBDestroy destroy = (FGCBDestroy)FETCH_WCB( *window, Destroy ); FGCBDestroyUC destroy = (FGCBDestroyUC)FETCH_WCB( *window, Destroy );
FGCBUserData destroyData = FETCH_USER_DATA_WCB( *window, Destroy );
fghClearCallBacks( window ); fghClearCallBacks( window );
SET_WCB( *window, Destroy, destroy ); SET_WCB( *window, Destroy, destroy, destroyData );
} }
} }
@ -303,7 +307,7 @@ void fgDestroyMenu( SFG_Menu* menu )
{ {
SFG_Menu *activeMenu=fgStructure.CurrentMenu; SFG_Menu *activeMenu=fgStructure.CurrentMenu;
fgStructure.CurrentMenu = menu; fgStructure.CurrentMenu = menu;
menu->Destroy( ); menu->Destroy( menu->DestroyData );
fgStructure.CurrentMenu = activeMenu; fgStructure.CurrentMenu = activeMenu;
} }