3 * $Id: xscsize.c,v 1.3 1998/12/11 09:50:05 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 1.3 1998/12/11 09:50:05 mdw
33 * Minor modifications to work with mLib and mgLib.
35 * Revision 1.2 1998/11/21 22:30:22 mdw
36 * Support GNU-style long options throughout, and introduce proper help
37 * text to all programs. Update manual pages to match.
39 * Revision 1.1 1998/11/16 23:00:49 mdw
44 /*----- Header files ------------------------------------------------------*/
52 #include <mLib/mdwopt.h>
53 #include <mLib/quis.h>
55 /*----- Main code ---------------------------------------------------------*/
57 static void version(FILE *fp)
59 fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS);
62 static void usage(FILE *fp)
64 fprintf(fp, "Usage: %s [-bcx] [-d display]\n", QUIS);
67 int main(int argc, char *argv[])
69 const char *display = 0;
80 /* --- Parse command line options --- */
85 static struct option opt[] = {
86 { "help", 0, 0, 'h' },
87 { "usage", 0, 0, 'u' },
88 { "version", 0, 0, 'v' },
89 { "display", required_argument, 0, 'd' },
90 { "bourne-shell", 0, 0, 'b' },
91 { "c-shell", 0, 0, 'c' },
92 { "export", 0, 0, 'x' },
96 int i = getopt_long(argc, argv, "huv d:bcx", opt, 0);
106 "Reads the size of the X root window and outputs it in a form suitable\n"
107 "for use as a shell assignment statement, defining variables XWIDTH and\n"
112 "-h, --help Display this help text\n"
113 "-u, --usage Display a short usage summary\n"
114 "-v, --version Display the program's version number\n"
116 "-d, --display=DISPLAY Choose X display to connect to\n"
117 "-b, --bourne-shell Output text suitable for a Bourne shell\n"
118 "-c, --c-shell Output text suitable for a C shell\n"
119 "-x, --export Export the variables into the environment\n",
151 /* --- Sort out the shell type --- *
153 * If the shell name contains the string `csh' then assume it's a C shell.
154 * Otherwise assume it's Bourne. This seems to work in practice.
157 if (!(f & f_shell)) {
158 const char *s = getenv("SHELL");
161 if (strstr(s, "csh"))
167 if ((f & f_sh) && (f & f_csh)) {
168 fprintf(stderr, "xscsize: make your mind up about your shell type\n");
172 /* --- Get the important information --- */
175 Display *dpy = XOpenDisplay(display);
178 fprintf(stderr, "xscsize: couldn't open display\n");
181 sc = DefaultScreen(dpy);
182 wd = DisplayWidth(dpy, sc);
183 ht = DisplayHeight(dpy, sc);
187 /* --- Do the output thing --- */
190 printf("XWIDTH=%lu XHEIGHT=%lu", wd, ht);
192 printf("; export XWIDTH XHEIGHT");
196 printf("setenv XWIDTH %lu; setenv XHEIGHT %lu", wd, ht);
198 printf("set XWIDTH=%lu XHEIGHT=%lu", wd, ht);
207 /*----- That's all, folks -------------------------------------------------*/