3 * Return X display size to shell script
5 * (c) 1998 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of the Edgeware X tools collection.
12 * X tools is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * X tools is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with X tools; if not, write to the Free Software Foundation,
24 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 /*----- Header files ------------------------------------------------------*/
35 #include <mLib/mdwopt.h>
36 #include <mLib/quis.h>
38 /*----- Main code ---------------------------------------------------------*/
40 static void version(FILE *fp)
41 { pquis(fp, "$ (xtoys version " VERSION ")\n"); }
43 static void usage(FILE *fp)
44 { pquis(fp, "Usage: $ [-bcx] [-d DISPLAY]\n"); }
46 static void help(FILE *fp)
52 Reads the size of the X root window and outputs it in a form suitable\n\
53 for use as a shell assignment statement, defining variables XWIDTH and\n\
58 -h, --help Display this help text\n\
59 -u, --usage Display a short usage summary\n\
60 -v, --version Display the program's version number\n\
62 -d, --display=DISPLAY Choose X display to connect to\n\
63 -b, --bourne-shell Output text suitable for a Bourne shell\n\
64 -c, --c-shell Output text suitable for a C shell\n\
65 -x, --export Export the variables into the environment\n",
69 int main(int argc, char *argv[])
73 const char *display = 0;
84 /* --- Parse command line options --- */
89 static struct option opt[] = {
90 { "help", 0, 0, 'h' },
91 { "usage", 0, 0, 'u' },
92 { "version", 0, 0, 'v' },
93 { "display", OPTF_ARGREQ, 0, 'd' },
94 { "bourne-shell", 0, 0, 'b' },
95 { "c-shell", 0, 0, 'c' },
96 { "export", 0, 0, 'x' },
100 int i = getopt_long(argc, argv, "huv" "d:bcx", opt, 0);
103 case 'h': help(stdout); exit(0); break;
104 case 'u': usage(stdout); exit(0); break;
105 case 'v': version(stdout); exit(0); break;
106 case 'd': display = optarg; break;
107 case 'b': f |= f_sh; break;
108 case 'c': f |= f_csh; break;
109 case 'x': f |= f_export; break;
110 default: f |= f_bogus; break;
114 if (optind < argc) f |= f_bogus;
115 if (f & f_bogus) { usage(stderr); exit(EXIT_FAILURE); }
117 /* --- Sort out the shell type --- *
119 * If the shell name contains the string `csh' then assume it's a C shell.
120 * Otherwise assume it's Bourne. This seems to work in practice.
123 if (!(f & f_shell)) {
127 if (strstr(s, "csh"))
133 if ((f & f_sh) && (f & f_csh)) {
134 fprintf(stderr, "xscsize: make your mind up about your shell type\n");
138 /* --- Get the important information --- */
140 dpy = XOpenDisplay(display);
142 fprintf(stderr, "xscsize: couldn't open display\n");
145 sc = DefaultScreen(dpy);
146 wd = DisplayWidth(dpy, sc);
147 ht = DisplayHeight(dpy, sc);
150 /* --- Do the output thing --- */
153 printf("XWIDTH=%lu XHEIGHT=%lu", wd, ht);
155 printf("; export XWIDTH XHEIGHT");
159 printf("setenv XWIDTH %lu; setenv XHEIGHT %lu", wd, ht);
161 printf("set XWIDTH=%lu XHEIGHT=%lu", wd, ht);
170 /*----- That's all, folks -------------------------------------------------*/