mirror of
https://git.code.sf.net/p/quake/newtree
synced 2024-11-29 23:32:16 +00:00
368 lines
8.3 KiB
C
368 lines
8.3 KiB
C
/*
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context_x11.c
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general x11 context layer
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2000 Zephaniah E. Hull <warp@whitestar.soark.net>
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Copyright (C) 1999,2000 contributors of the QuakeForge project
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Please see the file "AUTHORS" for a list of contributors
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#include <config.h>
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#include <ctype.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <signal.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/keysym.h>
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#include <X11/extensions/XShm.h>
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#include <errno.h>
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#include <limits.h>
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#ifdef HAVE_VIDMODE
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# include <X11/extensions/xf86vmode.h>
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#endif
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#include "commdef.h"
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#include "context_x11.h"
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#include "dga_check.h"
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#include "qtypes.h"
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#include "vid.h"
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#include "sys.h"
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#include "console.h"
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#include "cvar.h"
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#include "input.h"
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static void (*event_handlers[LASTEvent]) (XEvent *);
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qboolean oktodraw = false;
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int x_shmeventtype;
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static int x_disp_ref_count = 0;
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Display *x_disp = NULL;
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int x_screen;
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Window x_root = None;
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XVisualInfo *x_visinfo;
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Visual *x_vis;
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Window x_win;
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Cursor nullcursor = None;
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static Atom aWMDelete = 0;
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#define X_MASK (VisibilityChangeMask | StructureNotifyMask | ExposureMask)
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#ifdef HAVE_VIDMODE
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static XF86VidModeModeInfo **vidmodes;
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static int nummodes, hasvidmode = 0;
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#endif
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cvar_t *vid_fullscreen;
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static int xss_timeout;
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static int xss_interval;
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static int xss_blanking;
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static int xss_exposures;
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qboolean
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x11_add_event(int event, void (*event_handler)(XEvent *))
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{
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if (event >= LASTEvent) {
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printf("event: %d, LASTEvent: %d\n", event, LASTEvent);
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return false;
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}
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if (event_handlers[event] != NULL)
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return false;
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event_handlers[event] = event_handler;
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return true;
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}
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qboolean
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x11_del_event(int event, void (*event_handler)(XEvent *))
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{
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if (event >= LASTEvent)
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return false;
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if (event_handlers[event] != event_handler)
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return false;
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event_handlers[event] = NULL;
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return true;
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}
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void
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x11_process_event( void )
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{
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XEvent x_event;
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XNextEvent(x_disp, &x_event);
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if ( x_event.type >= LASTEvent ) {
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// FIXME: KLUGE!!!!!!
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if (x_event.type == x_shmeventtype)
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oktodraw = 1;
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return;
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}
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if (event_handlers[x_event.type])
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event_handlers[x_event.type](&x_event);
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}
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void
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x11_process_events(void)
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{
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/* Get events from X server. */
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while ( XPending( x_disp )) {
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x11_process_event();
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}
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}
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// ========================================================================
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// Tragic death handler
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// ========================================================================
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static void
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TragicDeath(int sig)
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{
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printf("Received signal %d, exiting...\n", sig);
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Sys_Quit();
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exit(sig);
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//XCloseDisplay(x_disp);
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//VID_Shutdown();
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//Sys_Error("This death brought to you by the number %d\n", signal_num);
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}
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void
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x11_open_display( void )
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{
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if ( !x_disp ) {
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x_disp = XOpenDisplay( NULL );
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if ( !x_disp ) {
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Sys_Error("x11_open_display: Could not open display [%s]\n", XDisplayName( NULL ));
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}
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x_screen = DefaultScreen (x_disp);
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x_root = RootWindow (x_disp, x_screen);
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// catch signals
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signal(SIGHUP, TragicDeath);
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signal(SIGINT, TragicDeath);
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signal(SIGQUIT, TragicDeath);
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signal(SIGILL, TragicDeath);
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signal(SIGTRAP, TragicDeath);
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signal(SIGIOT, TragicDeath);
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signal(SIGBUS, TragicDeath);
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/* signal(SIGFPE, TragicDeath); */
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signal(SIGSEGV, TragicDeath);
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signal(SIGTERM, TragicDeath);
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// for debugging only
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XSynchronize( x_disp, True );
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x_disp_ref_count=1;
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} else {
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x_disp_ref_count++;
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}
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}
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void
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x11_close_display( void )
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{
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if (nullcursor != None) {
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XFreeCursor(x_disp, nullcursor);
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nullcursor = None;
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}
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if (!--x_disp_ref_count) {
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XCloseDisplay( x_disp );
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x_disp = NULL;
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}
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}
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/*
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x11_create_null_cursor
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Create an empty cursor
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*/
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void
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x11_create_null_cursor(void)
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{
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Pixmap cursormask;
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XGCValues xgc;
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GC gc;
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XColor dummycolour;
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if (nullcursor != None) return;
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cursormask = XCreatePixmap(x_disp, x_root, 1, 1, 1/*depth*/);
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xgc.function = GXclear;
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gc = XCreateGC(x_disp, cursormask, GCFunction, &xgc);
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XFillRectangle(x_disp, cursormask, gc, 0, 0, 1, 1);
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dummycolour.pixel = 0;
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dummycolour.red = 0;
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dummycolour.flags = 04;
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nullcursor = XCreatePixmapCursor(x_disp, cursormask, cursormask,
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&dummycolour,&dummycolour, 0,0);
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XFreePixmap(x_disp,cursormask);
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XFreeGC(x_disp,gc);
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XDefineCursor(x_disp, x_win, nullcursor);
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}
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void
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x11_set_vidmode(int width, int height)
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{
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int i;
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vid_fullscreen = Cvar_Get ("vid_fullscreen","0",0,"None");
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XGetScreenSaver (x_disp, &xss_timeout, &xss_interval, &xss_blanking,
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&xss_exposures);
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XSetScreenSaver (x_disp, 0, xss_interval, xss_blanking,
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xss_exposures);
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#ifdef XMESA
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const char *str = getenv("MESA_GLX_FX");
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if (str != NULL && *str != 'd') {
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if (tolower(*str) == 'w') {
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Cvar_Set (vid_fullscreen, "0");
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} else {
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Cvar_Set (vid_fullscreen, "1");
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}
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}
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#endif
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#ifdef HAVE_VIDMODE
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hasvidmode = VID_CheckVMode(x_disp, NULL, NULL);
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if (hasvidmode) {
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if (! XF86VidModeGetAllModeLines(x_disp, DefaultScreen(x_disp),
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&nummodes, &vidmodes)
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|| nummodes <= 0) {
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hasvidmode = 0;
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}
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}
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Con_Printf ("hasvidmode = %i\nnummodes = %i\n", hasvidmode, nummodes);
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if (hasvidmode && vid_fullscreen->value) {
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int smallest_mode=0, x=INT_MAX, y=INT_MAX;
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// FIXME: does this depend on mode line order in XF86Config?
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for (i=0; i<nummodes; i++) {
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if (x>vidmodes[i]->hdisplay || y>vidmodes[i]->vdisplay) {
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smallest_mode=i;
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x=vidmodes[i]->hdisplay;
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y=vidmodes[i]->vdisplay;
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}
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printf("%dx%d\n",vidmodes[i]->hdisplay,vidmodes[i]->vdisplay);
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}
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// chose the smallest mode that our window fits into;
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for (i=smallest_mode;
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i!=(smallest_mode+1)%nummodes;
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i=(i?i-1:nummodes-1)) {
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if (vidmodes[i]->hdisplay>=width
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&& vidmodes[i]->vdisplay>=height) {
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XF86VidModeSwitchToMode (x_disp, DefaultScreen (x_disp),
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vidmodes[i]);
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break;
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}
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}
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XF86VidModeSetViewPort(x_disp, DefaultScreen (x_disp), 0, 0);
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_windowed_mouse = Cvar_Get ("_windowed_mouse","1",CVAR_ARCHIVE|CVAR_ROM,"None");
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} else
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#endif
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_windowed_mouse = Cvar_Get ("_windowed_mouse","0",CVAR_ARCHIVE,"None");
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}
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void
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x11_create_window(int width, int height)
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{
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XSetWindowAttributes attr;
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unsigned long mask;
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/* window attributes */
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attr.background_pixel = 0;
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attr.border_pixel = 0;
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attr.colormap = XCreateColormap(x_disp, x_root, x_vis, AllocNone);
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attr.event_mask = X_MASK;
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mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
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if (hasvidmode && vid_fullscreen->value) {
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attr.override_redirect=1;
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mask|=CWOverrideRedirect;
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}
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x_win = XCreateWindow(x_disp, x_root, 0, 0, width, height,
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0, x_visinfo->depth, InputOutput,
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x_vis, mask, &attr);
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// Set window title
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x11_set_caption (va ("%s %s", PROGRAM, VERSION));
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// Set icon name
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XSetIconName (x_disp, x_win, PROGRAM);
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/* Make window respond to Delete events */
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aWMDelete = XInternAtom(x_disp, "WM_DELETE_WINDOW", False);
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XSetWMProtocols(x_disp, x_win, &aWMDelete, 1);
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XMapWindow(x_disp, x_win);
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XRaiseWindow(x_disp, x_win);
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}
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void
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x11_restore_vidmode(void)
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{
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XSetScreenSaver (x_disp, xss_timeout, xss_interval, xss_blanking,
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xss_exposures);
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#ifdef HAVE_VIDMODE
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if (hasvidmode) {
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XF86VidModeSwitchToMode (x_disp, DefaultScreen (x_disp),
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vidmodes[0]);
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XFree(vidmodes);
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}
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#endif
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}
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void
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x11_grab_keyboard(void)
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{
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#ifdef HAVE_VIDMODE
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if (hasvidmode && vid_fullscreen->value) {
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XGrabKeyboard(x_disp, x_win, 1, GrabModeAsync, GrabModeAsync,
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CurrentTime);
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}
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#endif
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}
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void
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x11_set_caption (char *text)
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{
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if (x_disp && x_win && text)
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XStoreName (x_disp, x_win, text);
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}
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