3 * $Id: xscsize.c,v 1.2 1998/11/21 22:30:22 mdw Exp $
5 * Return X display size to shell script
7 * (c) 1998 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of the Edgeware X tools collection.
14 * X tools is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * X tools is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with X tools; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /*----- Revision history --------------------------------------------------*
32 * Revision 1.2 1998/11/21 22:30:22 mdw
33 * Support GNU-style long options throughout, and introduce proper help
34 * text to all programs. Update manual pages to match.
36 * Revision 1.1 1998/11/16 23:00:49 mdw
41 /*----- Header files ------------------------------------------------------*/
52 /*----- Main code ---------------------------------------------------------*/
54 static void version(FILE *fp)
56 fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS);
59 static void usage(FILE *fp)
61 fprintf(fp, "Usage: %s [-bcx] [-d display]\n", QUIS);
64 int main(int argc, char *argv[])
66 const char *display = 0;
77 /* --- Parse command line options --- */
82 static struct option opt[] = {
83 { "help", 0, 0, 'h' },
84 { "usage", 0, 0, 'u' },
85 { "version", 0, 0, 'v' },
86 { "display", required_argument, 0, 'd' },
87 { "bourne-shell", 0, 0, 'b' },
88 { "c-shell", 0, 0, 'c' },
89 { "export", 0, 0, 'x' },
93 int i = getopt_long(argc, argv, "huv d:bcx", opt, 0);
103 "Reads the size of the X root window and outputs it in a form suitable\n"
104 "for use as a shell assignment statement, defining variables XWIDTH and\n"
109 "-h, --help Display this help text\n"
110 "-u, --usage Display a short usage summary\n"
111 "-v, --version Display the program's version number\n"
113 "-d, --display=DISPLAY Choose X display to connect to\n"
114 "-b, --bourne-shell Output text suitable for a Bourne shell\n"
115 "-c, --c-shell Output text suitable for a C shell\n"
116 "-x, --export Export the variables into the environment\n",
148 /* --- Sort out the shell type --- *
150 * If the shell name contains the string `csh' then assume it's a C shell.
151 * Otherwise assume it's Bourne. This seems to work in practice.
154 if (!(f & f_shell)) {
155 const char *s = getenv("SHELL");
158 if (strstr(s, "csh"))
164 if ((f & f_sh) && (f & f_csh)) {
165 fprintf(stderr, "xscsize: make your mind up about your shell type\n");
169 /* --- Get the important information --- */
172 Display *dpy = XOpenDisplay(display);
175 fprintf(stderr, "xscsize: couldn't open display\n");
178 sc = DefaultScreen(dpy);
179 wd = DisplayWidth(dpy, sc);
180 ht = DisplayHeight(dpy, sc);
184 /* --- Do the output thing --- */
187 printf("XWIDTH=%lu XHEIGHT=%lu", wd, ht);
189 printf("; export XWIDTH XHEIGHT");
193 printf("setenv XWIDTH %lu; setenv XHEIGHT %lu", wd, ht);
195 printf("set XWIDTH=%lu XHEIGHT=%lu", wd, ht);
204 /*----- That's all, folks -------------------------------------------------*/