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 -------------------------------------------------*/