xorg-server-1.4/hw/dmx/examples/dmxrmscreen.c

   1 /*
   2  * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation on the rights to use, copy, modify, merge,
  10  * publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
  22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27
  28 /*
  29  * Authors:
  30  *   Kevin E. Martin <kem@redhat.com>
  31  *   Rickard E. (Rik) Faith <faith@redhat.com>
  32  *
  33  */
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <X11/Xlib.h>
  38 #include <X11/extensions/dmxext.h>
  39
  40 int main(int argc, char **argv)
  41 {
  42     Display              *display = NULL;
  43     int                  event_base;
  44     int                  error_base;
  45     int                  major_version, minor_version, patch_version;
  46     int                  screenNum;
  47
  48     if (argc != 3) {
  49         printf("Usage: %s display screenNum\n", argv[0]);
  50         return -1;
  51     }
  52
  53     if (!(display = XOpenDisplay(argv[1]))) {
  54         printf("Cannot open display %s\n", argv[1]);
  55         return -1;
  56     }
  57
  58     screenNum = strtol(argv[2], NULL, 0);
  59
  60     if (!DMXQueryExtension(display, &event_base, &error_base)) {
  61         printf("DMX extension not present\n");
  62         return -1;
  63     }
  64     printf("DMX extension present: event_base = %d, error_base = %d\n",
  65            event_base, error_base);
  66
  67     if (!DMXQueryVersion(display,
  68                          &major_version, &minor_version, &patch_version)) {
  69         printf("Could not get extension version\n");
  70         return -1;
  71     }
  72     printf("Extension version: %d.%d patch %d\n",
  73            major_version, minor_version, patch_version);
  74
  75     if (!DMXRemoveScreen(display, screenNum))
  76         printf("Failed to remove screen #%d\n", screenNum);
  77
  78     XCloseDisplay(display);
  79     return 0;
  80 }