90b2c5d4 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: xscsize.c,v 1.1 1998/11/16 23:00:49 mdw Exp $ |
4 | * |
5 | * Return X display size to shell script |
6 | * |
7 | * (c) 1998 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of the Edgeware X tools collection. |
13 | * |
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. |
18 | * |
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. |
23 | * |
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. |
27 | */ |
28 | |
29 | /*----- Revision history --------------------------------------------------* |
30 | * |
31 | * $Log: xscsize.c,v $ |
32 | * Revision 1.1 1998/11/16 23:00:49 mdw |
33 | * Initial versions. |
34 | * |
35 | */ |
36 | |
37 | /*----- Header files ------------------------------------------------------*/ |
38 | |
39 | #include <stdio.h> |
40 | #include <stdlib.h> |
41 | #include <string.h> |
42 | |
43 | #include <getopt.h> |
44 | #include <X11/Xlib.h> |
45 | |
46 | /*----- Main code ---------------------------------------------------------*/ |
47 | |
48 | int main(int argc, char *argv[]) |
49 | { |
50 | const char *display = 0; |
51 | unsigned f = 0; |
52 | unsigned long wd, ht; |
53 | |
54 | enum { |
55 | f_sh = 1, |
56 | f_csh = 2, |
57 | f_shell = 3, |
58 | f_export = 4 |
59 | }; |
60 | |
61 | /* --- Parse command line options --- */ |
62 | |
63 | for (;;) { |
64 | int i = getopt(argc, argv, "d:bcx"); |
65 | if (i < 0) |
66 | break; |
67 | switch (i) { |
68 | case 'd': |
69 | display = optarg; |
70 | break; |
71 | case 'b': |
72 | f |= f_sh; |
73 | break; |
74 | case 'c': |
75 | f |= f_csh; |
76 | break; |
77 | case 'x': |
78 | f |= f_export; |
79 | break; |
80 | default: |
81 | fprintf(stderr, "Usage: xscsize [-bcx] [-d DISPLAY]\n"); |
82 | exit(EXIT_FAILURE); |
83 | break; |
84 | } |
85 | } |
86 | |
87 | /* --- Sort out the shell type --- * |
88 | * |
89 | * If the shell name contains the string `csh' then assume it's a C shell. |
90 | * Otherwise assume it's Bourne. This seems to work in practice. |
91 | */ |
92 | |
93 | if (!(f & f_shell)) { |
94 | const char *s = getenv("SHELL"); |
95 | if (!s) |
96 | f |= f_sh; |
97 | if (strstr(s, "csh")) |
98 | f |= f_csh; |
99 | else |
100 | f |= f_sh; |
101 | } |
102 | |
103 | if ((f & f_sh) && (f & f_csh)) { |
104 | fprintf(stderr, "xscsize: make your mind up about your shell type\n"); |
105 | exit(EXIT_FAILURE); |
106 | } |
107 | |
108 | /* --- Get the important information --- */ |
109 | |
110 | { |
111 | Display *dpy = XOpenDisplay(display); |
112 | int sc; |
113 | if (!dpy) { |
114 | fprintf(stderr, "xscsize: couldn't open display\n"); |
115 | exit(EXIT_FAILURE); |
116 | } |
117 | sc = DefaultScreen(dpy); |
118 | wd = DisplayWidth(dpy, sc); |
119 | ht = DisplayHeight(dpy, sc); |
120 | XCloseDisplay(dpy); |
121 | } |
122 | |
123 | /* --- Do the output thing --- */ |
124 | |
125 | if (f & f_sh) { |
126 | printf("XWIDTH=%lu XHEIGHT=%lu", wd, ht); |
127 | if (f & f_export) |
128 | printf("; export XWIDTH XHEIGHT"); |
129 | } |
130 | if (f & f_csh) { |
131 | if (f & f_export) |
132 | printf("setenv XWIDTH %lu; setenv XHEIGHT %lu", wd, ht); |
133 | else |
134 | printf("set XWIDTH=%lu XHEIGHT=%lu", wd, ht); |
135 | } |
136 | putchar('\n'); |
137 | |
138 | /* --- Done --- */ |
139 | |
140 | return (0); |
141 | } |
142 | |
143 | /*----- That's all, folks -------------------------------------------------*/ |