3 * $Id: xscsize.c,v 1.4 1999/08/20 07:31:00 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 1.4 1999/08/20 07:31:00 mdw
33 * Use new `mdwopt' flags in options table.
35 * Revision 1.3 1998/12/11 09:50:05 mdw
36 * Minor modifications to work with mLib and mgLib.
38 * Revision 1.2 1998/11/21 22:30:22 mdw
39 * Support GNU-style long options throughout, and introduce proper help
40 * text to all programs. Update manual pages to match.
42 * Revision 1.1 1998/11/16 23:00:49 mdw
47 /*----- Header files ------------------------------------------------------*/
55 #include <mLib/mdwopt.h>
56 #include <mLib/quis.h>
58 /*----- Main code ---------------------------------------------------------*/
60 static void version(FILE *fp)
62 fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS);
65 static void usage(FILE *fp)
67 fprintf(fp, "Usage: %s [-bcx] [-d display]\n", QUIS);
70 int main(int argc, char *argv[])
72 const char *display = 0;
83 /* --- Parse command line options --- */
88 static struct option opt[] = {
89 { "help", 0, 0, 'h' },
90 { "usage", 0, 0, 'u' },
91 { "version", 0, 0, 'v' },
92 { "display", OPTF_ARGREQ, 0, 'd' },
93 { "bourne-shell", 0, 0, 'b' },
94 { "c-shell", 0, 0, 'c' },
95 { "export", 0, 0, 'x' },
99 int i = getopt_long(argc, argv, "huv d:bcx", opt, 0);
109 "Reads the size of the X root window and outputs it in a form suitable\n"
110 "for use as a shell assignment statement, defining variables XWIDTH and\n"
115 "-h, --help Display this help text\n"
116 "-u, --usage Display a short usage summary\n"
117 "-v, --version Display the program's version number\n"
119 "-d, --display=DISPLAY Choose X display to connect to\n"
120 "-b, --bourne-shell Output text suitable for a Bourne shell\n"
121 "-c, --c-shell Output text suitable for a C shell\n"
122 "-x, --export Export the variables into the environment\n",
154 /* --- Sort out the shell type --- *
156 * If the shell name contains the string `csh' then assume it's a C shell.
157 * Otherwise assume it's Bourne. This seems to work in practice.
160 if (!(f & f_shell)) {
161 const char *s = getenv("SHELL");
164 if (strstr(s, "csh"))
170 if ((f & f_sh) && (f & f_csh)) {
171 fprintf(stderr, "xscsize: make your mind up about your shell type\n");
175 /* --- Get the important information --- */
178 Display *dpy = XOpenDisplay(display);
181 fprintf(stderr, "xscsize: couldn't open display\n");
184 sc = DefaultScreen(dpy);
185 wd = DisplayWidth(dpy, sc);
186 ht = DisplayHeight(dpy, sc);
190 /* --- Do the output thing --- */
193 printf("XWIDTH=%lu XHEIGHT=%lu", wd, ht);
195 printf("; export XWIDTH XHEIGHT");
199 printf("setenv XWIDTH %lu; setenv XHEIGHT %lu", wd, ht);
201 printf("set XWIDTH=%lu XHEIGHT=%lu", wd, ht);
210 /*----- That's all, folks -------------------------------------------------*/