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/* event.h: Routines needed for dealing with the event list
Copyright (c) 2000-2004 Philip Kendall
$Id: event.h 4641 2012-01-21 13:42:51Z pak21 $
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#ifndef FUSE_EVENT_H
#define FUSE_EVENT_H
#ifdef HAVE_LIB_GLIB
#include <glib.h>
#endif /* #ifdef HAVE_LIB_GLIB */
#include <libspectrum.h>
/* Information about an event */
typedef struct event_t {
libspectrum_dword tstates;
int type;
void *user_data;
} event_t;
/* A null event type */
extern int event_type_null;
/* The function to be called when an event occurs */
typedef void (*event_fn_t)( libspectrum_dword tstates, int type, void *user_data );
/* When will the next event happen? */
extern libspectrum_dword event_next_event;
/* Set up the event list */
void event_init( void );
/* Register a new event type */
int event_register( event_fn_t fn, const char *description );
/* Add an event at the correct place in the event list */
void event_add_with_data( libspectrum_dword event_time, int type,
void *user_data );
static inline void
event_add( libspectrum_dword event_time, int type )
{
event_add_with_data( event_time, type, NULL );
}
/* Do all events which have passed */
int event_do_events(void);
/* Called at end of frame to reduce T-state count of all entries */
void event_frame( libspectrum_dword tstates_per_frame );
/* Force all events between now and the next interrupt to happen */
void event_force_events( void );
/* Remove all events of a specific type from the stack */
void event_remove_type( int type );
/* Remove all events of a specific type and user data from the stack */
void event_remove_type_user_data( int type, gpointer user_data );
/* Clear the event stack */
void event_reset( void );
/* Call a user-supplied function for every event in the current list */
void event_foreach( GFunc function, gpointer user_data );
/* A textual representation of each event type */
const char *event_name( int type );
/* Called on exit to clean up */
void event_end( void );
#endif /* #ifndef FUSE_EVENT_H */
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