/* context_x11.c general x11 context layer Copyright (C) 1996-1997 Id Software, Inc. Copyright (C) 2000 Zephaniah E. Hull Copyright (C) 1999,2000 contributors of the QuakeForge project 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: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA $Id$ */ #include #include #include #include #ifdef HAVE_UNISTD_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_VIDMODE # include #endif #include "context_x11.h" #include "dga_check.h" #include "QF/va.h" #include "QF/qargs.h" #include "QF/qtypes.h" #include "vid.h" #include "QF/sys.h" #include "QF/console.h" #include "QF/cvar.h" #include "QF/input.h" static void (*event_handlers[LASTEvent]) (XEvent *); qboolean oktodraw = false; int x_shmeventtype; static int x_disp_ref_count = 0; Display *x_disp = NULL; int x_screen; Window x_root = None; XVisualInfo *x_visinfo; Visual *x_vis; Window x_win; Cursor nullcursor = None; static Atom aWMDelete = 0; #define X_MASK (VisibilityChangeMask | StructureNotifyMask | ExposureMask) #ifdef HAVE_VIDMODE static XF86VidModeModeInfo **vidmodes; static int nummodes; #endif static int hasvidmode = 0; cvar_t *vid_fullscreen; static int xss_timeout; static int xss_interval; static int xss_blanking; static int xss_exposures; 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 (); } } // ======================================================================== // Tragic death handler // ======================================================================== static void TragicDeath (int sig) { printf ("Received signal %d, exiting...\n", sig); Sys_Quit (); exit (sig); // XCloseDisplay(x_disp); // VID_Shutdown(); // Sys_Error("This death brought to you by the number %d\n", signal_num); } void x11_open_display (void) { if (!x_disp) { x_disp = XOpenDisplay (NULL); if (!x_disp) { Sys_Error ("x11_open_display: Could not open display [%s]\n", XDisplayName (NULL)); } x_screen = DefaultScreen (x_disp); x_root = RootWindow (x_disp, x_screen); // catch signals signal (SIGHUP, TragicDeath); signal (SIGINT, TragicDeath); signal (SIGQUIT, TragicDeath); signal (SIGILL, TragicDeath); signal (SIGTRAP, TragicDeath); signal (SIGIOT, TragicDeath); signal (SIGBUS, TragicDeath); /* signal(SIGFPE, TragicDeath); */ signal (SIGSEGV, TragicDeath); signal (SIGTERM, TragicDeath); // for debugging only XSynchronize (x_disp, True); x_disp_ref_count = 1; } else { x_disp_ref_count++; } } void x11_close_display (void) { if (nullcursor != None) { XFreeCursor (x_disp, nullcursor); nullcursor = None; } if (!--x_disp_ref_count) { XCloseDisplay (x_disp); x_disp = 0; } } /* x11_create_null_cursor Create an empty cursor */ void x11_create_null_cursor (void) { Pixmap cursormask; XGCValues xgc; GC gc; XColor dummycolour; if (nullcursor != None) return; cursormask = XCreatePixmap (x_disp, x_root, 1, 1, 1 /* depth */ ); xgc.function = GXclear; gc = XCreateGC (x_disp, cursormask, GCFunction, &xgc); XFillRectangle (x_disp, cursormask, gc, 0, 0, 1, 1); dummycolour.pixel = 0; dummycolour.red = 0; dummycolour.flags = 04; nullcursor = XCreatePixmapCursor (x_disp, cursormask, cursormask, &dummycolour, &dummycolour, 0, 0); XFreePixmap (x_disp, cursormask); XFreeGC (x_disp, gc); XDefineCursor (x_disp, x_win, nullcursor); } void x11_set_vidmode (int width, int height) { int i; int best_mode = 0, best_x = INT_MAX, best_y = INT_MAX; XGetScreenSaver (x_disp, &xss_timeout, &xss_interval, &xss_blanking, &xss_exposures); XSetScreenSaver (x_disp, 0, xss_interval, xss_blanking, xss_exposures); #ifdef XMESA const char *str = getenv ("MESA_GLX_FX"); if (str != NULL && *str != 'd') { if (tolower (*str) == 'w') { Cvar_Set (vid_fullscreen, "0"); } else { Cvar_Set (vid_fullscreen, "1"); } } #endif #ifdef HAVE_VIDMODE if (!(hasvidmode = VID_CheckVMode (x_disp, NULL, NULL))) { Cvar_Set (vid_fullscreen, "0"); return; } XF86VidModeGetAllModeLines (x_disp, x_screen, &nummodes, &vidmodes); if (vid_fullscreen->int_val) { for (i = 0; i < nummodes; i++) { if ((best_x > vidmodes[i]->hdisplay) || (best_y > vidmodes[i]->vdisplay)) { if ((vidmodes[i]->hdisplay >= width) && (vidmodes[i]->vdisplay >= height)) { best_mode = i; best_x = vidmodes[i]->hdisplay; best_y = vidmodes[i]->vdisplay; } } printf ("%dx%d\n", vidmodes[i]->hdisplay, vidmodes[i]->vdisplay); } XF86VidModeSwitchToMode (x_disp, x_screen, vidmodes[best_mode]); x11_force_view_port (); } #endif } void x11_Init_Cvars () { vid_fullscreen = Cvar_Get ("vid_fullscreen", "0", CVAR_ROM, NULL, "Toggles fullscreen game mode"); } void x11_create_window (int width, int height) { XSetWindowAttributes attr; XClassHint *ClassHint; XSizeHints *SizeHints; char *resname; unsigned long mask; /* window attributes */ attr.background_pixel = 0; attr.border_pixel = 0; attr.colormap = XCreateColormap (x_disp, x_root, x_vis, AllocNone); attr.event_mask = X_MASK; mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; if (hasvidmode && vid_fullscreen->int_val) { attr.override_redirect = 1; mask |= CWOverrideRedirect; } x_win = XCreateWindow (x_disp, x_root, 0, 0, width, height, 0, x_visinfo->depth, InputOutput, x_vis, mask, &attr); // Set window size hints SizeHints = XAllocSizeHints (); if (SizeHints) { SizeHints->flags = (PMinSize | PMaxSize); SizeHints->min_width = width; SizeHints->min_height = height; SizeHints->max_width = width; SizeHints->max_height = height; XSetWMNormalHints (x_disp, x_win, SizeHints); XFree (SizeHints); } // Set window title x11_set_caption (va ("%s %s", PROGRAM, VERSION)); // Set icon name XSetIconName (x_disp, x_win, PROGRAM); // Set window class ClassHint = XAllocClassHint (); if (ClassHint) { resname = strrchr (com_argv[0], '/'); ClassHint->res_name = (resname ? resname + 1 : resname); ClassHint->res_class = PROGRAM; XSetClassHint (x_disp, x_win, ClassHint); XFree (ClassHint); } // Make window respond to Delete events aWMDelete = XInternAtom (x_disp, "WM_DELETE_WINDOW", False); XSetWMProtocols (x_disp, x_win, &aWMDelete, 1); if (vid_fullscreen->int_val) { XMoveWindow (x_disp, x_win, 0, 0); XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0, vid.width + 2, vid.height + 2); x11_force_view_port (); } XMapWindow (x_disp, x_win); XRaiseWindow (x_disp, x_win); } void x11_restore_vidmode (void) { XSetScreenSaver (x_disp, xss_timeout, xss_interval, xss_blanking, xss_exposures); #ifdef HAVE_VIDMODE if (hasvidmode) { XF86VidModeSwitchToMode (x_disp, x_screen, vidmodes[0]); XFree (vidmodes); } #endif } void x11_grab_keyboard (void) { #ifdef HAVE_VIDMODE if (hasvidmode && vid_fullscreen->int_val) { XGrabKeyboard (x_disp, x_win, 1, GrabModeAsync, GrabModeAsync, CurrentTime); } #endif } void x11_set_caption (char *text) { if (x_disp && x_win && text) XStoreName (x_disp, x_win, text); } void x11_force_view_port (void) { #ifdef HAVE_VIDMODE int x, y; if (vid_fullscreen->int_val) { do { XF86VidModeSetViewPort (x_disp, x_screen, 0, 0); poll (0, 0, 50); XF86VidModeGetViewPort (x_disp, x_screen, &x, &y); } while (x || y); } #endif }