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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: xtell.c,v 1.6 2004/04/08 01:36:29 mdw Exp $ |
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4 | * |
5 | * Wake up a waiting xwait process |
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 | |
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29 | /*----- Header files ------------------------------------------------------*/ |
30 | |
31 | #include <stdio.h> |
32 | #include <stdlib.h> |
33 | #include <string.h> |
34 | |
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35 | #include <X11/Xlib.h> |
36 | #include <X11/Xutil.h> |
37 | |
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38 | #include <mLib/mdwopt.h> |
39 | #include <mLib/quis.h> |
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40 | #include <mLib/report.h> |
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41 | |
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42 | #include "xatom.h" |
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43 | #include "xwait.h" |
44 | |
45 | /*----- Main code ---------------------------------------------------------*/ |
46 | |
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47 | static void version(FILE *fp) |
48 | { |
49 | fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS); |
50 | } |
51 | |
52 | static void usage(FILE *fp) |
53 | { |
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54 | fprintf(fp, "Usage: %s [-d DISPLAY] [ATOM:MSG]\n", QUIS); |
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55 | } |
56 | |
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57 | int main(int argc, char *argv[]) |
58 | { |
59 | char *display = 0; |
60 | Display *dpy; |
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61 | Atom a, m; |
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62 | char *atom = XWAIT_DIE; |
63 | char *msg = XWAIT_DIE_MSG; |
64 | |
65 | /* --- Parse options --- */ |
66 | |
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67 | ego(argv[0]); |
68 | |
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69 | for (;;) { |
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70 | static struct option opt[] = { |
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71 | { "help", 0, 0, 'h' }, |
72 | { "usage", 0, 0, 'u' }, |
73 | { "version", 0, 0, 'v' }, |
74 | { "display", OPTF_ARGREQ, 0, 'd' }, |
75 | { "atom", OPTF_ARGREQ, 0, 'a' }, |
76 | { "msg", OPTF_ARGREQ, 0, 'm' }, |
77 | { 0, 0, 0, 0 } |
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78 | }; |
79 | |
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80 | int i = mdwopt(argc, argv, "d:a:m:", opt, 0, 0, 0); |
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81 | if (i < 0) |
82 | break; |
83 | switch (i) { |
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84 | case 'h': |
85 | version(stdout); |
86 | fputs("\n", stdout); |
87 | usage(stdout); |
88 | fputs( |
89 | "\n" |
90 | "Signals a waiting `xwait' process. Specifically, writes a property\n" |
91 | "named ATOM to the X root window, with value MSG.\n" |
92 | "\n" |
93 | "Options:\n" |
94 | "\n" |
95 | "-h, --help Display this help text\n" |
96 | "-u, --usage Display a short usage summary\n" |
97 | "-v, --version Display the program's version number\n" |
98 | "\n" |
99 | "-d, --display=DISPLAY Choose X display to connect to\n" |
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100 | "-a, --atom=ATOM\t Choose property name to set [deprecated]\n" |
101 | "-m, --msg=MSG Choose value of property to set [deprecated]\n", |
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102 | stdout); |
103 | exit(0); |
104 | break; |
105 | case 'u': |
106 | usage(stdout); |
107 | exit(0); |
108 | break; |
109 | case 'v': |
110 | version(stdout); |
111 | exit(0); |
112 | break; |
113 | |
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114 | case 'd': |
115 | display = optarg; |
116 | break; |
117 | case 'a': |
118 | atom = optarg; |
119 | break; |
120 | case 'm': |
121 | msg = optarg; |
122 | break; |
123 | default: |
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124 | usage(stderr); |
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125 | exit(EXIT_FAILURE); |
126 | break; |
127 | } |
128 | } |
129 | |
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130 | if (optind < argc) { |
131 | char *p; |
132 | if ((atom = strtok(argv[optind++], ":")) == 0) |
133 | die(EXIT_FAILURE, "missing atom name"); |
134 | if ((p = strtok(0, ",")) != 0) |
135 | msg = p; |
136 | } |
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137 | |
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138 | if (optind < argc) { |
139 | usage(stderr); |
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140 | exit(EXIT_FAILURE); |
141 | } |
142 | |
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143 | /* --- Set the property value and exit --- */ |
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144 | |
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145 | if ((dpy = XOpenDisplay(display)) == 0) |
146 | die(EXIT_FAILURE, "couldn't open display"); |
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147 | |
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148 | a = XInternAtom(dpy, atom, False); |
149 | m = XInternAtom(dpy, msg, False); |
150 | xatom_set(dpy, DefaultRootWindow(dpy), a, m); |
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151 | |
152 | XCloseDisplay(dpy); |
153 | return (0); |
154 | } |
155 | |
156 | /*----- That's all, folks -------------------------------------------------*/ |