modules/FvwmBacker/root_bits.c

   1 /* -*-c-*- */
   2 /* This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15  */
  16
  17 #include "config.h"
  18
  19 #include <X11/Xlib.h>
  20 #include <stdio.h>
  21
  22 extern Display *dpy;
  23 extern int screen;
  24 extern char *Module;
  25
  26 unsigned long BackerGetColor(char *name)
  27 {
  28   XColor color;
  29
  30   color.pixel = 0;
  31   if (!XParseColor (dpy, DefaultColormap(dpy,screen), name, &color))
  32     {
  33       fprintf(stderr,"%s:  unknown color \"%s\"\n",Module,name);
  34       exit(1);
  35     }
  36   else if(!XAllocColor (dpy, DefaultColormap(dpy,screen), &color))
  37     {
  38       fprintf(stderr, "%s:  unable to allocate color for \"%s\"\n",
  39               Module, name);
  40       exit(1);
  41     }
  42
  43   return color.pixel;
  44 }