Support GNU-style long options throughout, and introduce proper help
[xtoys] / xshutdown.c
1 /* -*-c-*-
2 *
3 * $Id: xshutdown.c,v 1.2 1998/11/21 22:30:23 mdw Exp $
4 *
5 * Pretty GTK interface to waking up an xwait
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: xshutdown.c,v $
32 * Revision 1.2 1998/11/21 22:30:23 mdw
33 * Support GNU-style long options throughout, and introduce proper help
34 * text to all programs. Update manual pages to match.
35 *
36 * Revision 1.1 1998/11/16 23:00:49 mdw
37 * Initial versions.
38 *
39 */
40
41 /*----- Header files ------------------------------------------------------*/
42
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46
47 #include <X11/Xlib.h>
48 #include <X11/Xutil.h>
49
50 #include <gtk/gtk.h>
51 #include <gdk/gdkprivate.h>
52
53 #include "mdwopt.h"
54 #include "quis.h"
55 #include "xwait.h"
56
57 /*----- Static variables --------------------------------------------------*/
58
59 static char *atom = XWAIT_DIE;
60 static char *msg = XWAIT_DIE_MSG;
61
62 static Atom xwait_die;
63
64 /*----- Main code ---------------------------------------------------------*/
65
66 /* --- @cancel@ --- *
67 *
68 * Just end the main loop.
69 */
70
71 static void cancel(GtkWidget *w, gpointer *p)
72 {
73 gtk_main_quit();
74 }
75
76 /* --- @ok@ --- *
77 *
78 * Send the xwait process a message.
79 */
80
81 static void ok(GtkWidget *w, gpointer *p)
82 {
83 XTextProperty prop;
84 XStringListToTextProperty(&msg, 1, &prop);
85 XSetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
86 &prop, xwait_die);
87 gtk_main_quit();
88 }
89
90 /* --- @version@ --- */
91
92 static void version(FILE *fp)
93 {
94 fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS);
95 }
96
97 /* --- @usage@ --- */
98
99 static void usage(FILE *fp)
100 {
101 fprintf(fp, "Usage: %s [-a ATOM] [-m MSG] [-p PROMPT] [-t TITLE]\n", QUIS);
102 }
103
104 /* --- @main@ --- *
105 *
106 * Main program.
107 */
108
109 int main(int argc, char *argv[])
110 {
111 char *prompt = "Are you sure you want to shut down this session?";
112 char *title = "xshutdown";
113 ego(argv[0]);
114 gtk_init(&argc, &argv);
115
116 /* --- Parse options --- */
117
118 for (;;) {
119 static struct option opt[] = {
120 { "help", 0, 0, 'h' },
121 { "usage", 0, 0, 'u' },
122 { "version", 0, 0, 'v' },
123 { "atom", required_argument, 0, 'a' },
124 { "msg", required_argument, 0, 'm' },
125 { "prompt", required_argument, 0, 'p' },
126 { "title", required_argument, 0, 't' },
127 { 0, 0, 0, 0 }
128 };
129 int i;
130
131 i = getopt_long(argc, argv, "huv a:m:p:t:", opt, 0);
132
133 if (i < 0)
134 break;
135
136 switch (i) {
137 case 'h':
138 version(stdout);
139 fputs("\n", stdout);
140 usage(stdout);
141 fputs(
142 "\n"
143 "Kills a waiting `xwait' process. Pops up a confirmation window first.\n"
144 "\n"
145 "Options available are:\n"
146 "\n"
147 "-h, --help Display this help text\n"
148 "-u, --usage Display a short usage summary\n"
149 "-v, --version Display the program's version number\n"
150 "\n"
151 "-a, --atom=ATOM Select the atom that `xwait' is waiting for\n"
152 "-m, --msg=MSG Select the message to send to `xwait'\n"
153 "-p, --prompt=PROMPT Select the prompt string in the confirmation box\n"
154 "-t, --title=TITLE Select the title string in the confirmation box\n",
155 stdout);
156 exit(0);
157 break;
158 case 'u':
159 usage(stdout);
160 exit(0);
161 break;
162 case 'v':
163 version(stdout);
164 exit(0);
165 break;
166
167 case 'a':
168 atom = optarg;
169 break;
170 case 'm':
171 msg = optarg;
172 break;
173 case 'p':
174 prompt = optarg;
175 break;
176 case 't':
177 title = optarg;
178 break;
179 default:
180 usage(stderr);
181 exit(EXIT_FAILURE);
182 }
183 }
184
185 xwait_die = XInternAtom(gdk_display, atom, False);
186
187 /* --- Decide whether there's an xwait listening --- *
188 *
189 * If not, pop up an error box and quit.
190 */
191
192 {
193 XTextProperty prop;
194
195 if (!XGetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
196 &prop, xwait_die)) {
197 char buf[64];
198 GtkWidget *win = gtk_dialog_new();
199 GtkWidget *w;
200
201 /* --- Make the main window --- */
202
203 gtk_window_set_title(GTK_WINDOW(win), "xshutdown");
204 gtk_signal_connect(GTK_OBJECT(win), "destroy",
205 GTK_SIGNAL_FUNC(cancel), 0);
206
207 gtk_box_set_homogeneous(GTK_BOX(GTK_DIALOG(win)->action_area), 0);
208
209 /* --- Make the label --- */
210
211 sprintf(buf, "no xwait listening for `%s'\n", atom);
212 w = gtk_label_new(buf);
213 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(win)->vbox), w, 1, 1, 0);
214 gtk_misc_set_padding(GTK_MISC(w), 8, 8);
215 gtk_widget_show(w);
216
217 /* --- Make the little button --- */
218
219 w = gtk_button_new_with_label("OK");
220 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
221 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
222 gtk_widget_grab_default(w);
223 gtk_signal_connect(GTK_OBJECT(w), "clicked",
224 GTK_SIGNAL_FUNC(cancel), 0);
225 gtk_widget_show(w);
226
227 /* --- Make everything work --- */
228
229 gtk_widget_show(win);
230 gtk_main();
231 exit(EXIT_FAILURE);
232 }
233 }
234
235 /* --- Main code --- */
236
237 {
238 GtkWidget *win;
239 GtkWidget *w;
240
241 /* --- Make the main dialogue box --- */
242
243 win = gtk_dialog_new();
244 gtk_window_set_title(GTK_WINDOW(win), title);
245 gtk_signal_connect(GTK_OBJECT(win), "destroy",
246 GTK_SIGNAL_FUNC(cancel), 0);
247
248 gtk_box_set_homogeneous(GTK_BOX(GTK_DIALOG(win)->action_area), 0);
249
250 /* --- Make the prompt label --- */
251
252 w = gtk_label_new(prompt);
253 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(win)->vbox), w, 1, 1, 0);
254 gtk_misc_set_padding(GTK_MISC(w), 8, 8);
255 gtk_widget_show(w);
256
257 /* --- Make the OK button --- */
258
259 w = gtk_button_new_with_label("OK");
260 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
261 gtk_signal_connect(GTK_OBJECT(w), "clicked", GTK_SIGNAL_FUNC(ok), 0);
262 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
263 gtk_widget_show(w);
264 gtk_widget_grab_default(w);
265
266 /* --- And the cancel button --- */
267
268 w = gtk_button_new_with_label("Cancel");
269 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
270 gtk_signal_connect(GTK_OBJECT(w), "clicked", GTK_SIGNAL_FUNC(cancel), 0);
271 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
272 gtk_widget_show(w);
273
274 /* --- Show the completed window --- */
275
276 gtk_widget_show(win);
277 }
278
279 /* --- Let rip --- */
280
281 gtk_main();
282 return (0);
283 }
284
285 /*----- That's all, folks -------------------------------------------------*/