quakeforge-old/common/context_x11.c

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/*
context_x11.c - general x11 context layer.
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999-2000 contributors of the QuakeForge project
Copyright (C) 2000 Zephaniah E. Hull <warp@whitestar.soark.net>
Please see the file "AUTHORS" for a list of contributors
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <ctype.h>
#include <sys/time.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/extensions/XShm.h>
#include <errno.h>
#include <context_x11.h>
#include <qtypes.h>
static void (*event_handlers[LASTEvent])(XEvent *);
qboolean oktodraw = false;
int x_shmeventtype;
qboolean x11_add_event(int event, void (*event_handler)(XEvent *))
{
if (event >= LASTEvent) {
printf("event: %d, LASTEvent: %d\n", event, LASTEvent);
return false;
}
if (event_handlers[event] != NULL)
return false;
event_handlers[event] = event_handler;
return true;
}
qboolean x11_del_event(int event, void (*event_handler)(XEvent *))
{
if (event >= LASTEvent)
return false;
if (event_handlers[event] != event_handler)
return false;
event_handlers[event] = NULL;
return true;
}
void x11_process_event(void)
{
XEvent x_event;
XNextEvent(x_disp, &x_event);
if (x_event.type >= LASTEvent) {
// FIXME: KLUGE!!!!!!
if (x_event.type == x_shmeventtype)
oktodraw = 1;
return;
}
if (event_handlers[x_event.type])
event_handlers[x_event.type](&x_event);
}
void x11_process_events(void)
{
/* Get events from X server. */
while (XPending(x_disp)) {
x11_process_event();
}
}