]> Dogcows Code - chaz/openbox/blob - openbox/openbox.c
stop using python internally. add an event dispatcher
[chaz/openbox] / openbox / openbox.c
1 #include "openbox.h"
2 #include "event.h"
3 #include "client.h"
4 #include "dispatch.h"
5 #include "xerror.h"
6 #include "prop.h"
7 #include "screen.h"
8 #include "focus.h"
9 #include "extensions.h"
10 #include "gettext.h"
11 #include "engine.h"
12 #include "themerc.h"
13 #include "timer.h"
14 #include "../render/render.h"
15 #include "../render/font.h"
16
17 #ifdef HAVE_FCNTL_H
18 # include <fcntl.h>
19 #endif
20 #ifdef HAVE_SYS_SELECT_H
21 # include <sys/select.h>
22 #endif
23 #ifdef HAVE_SIGNAL_H
24 # include <signal.h>
25 #endif
26 #ifdef HAVE_STDLIB_H
27 # include <stdlib.h>
28 #endif
29 #ifdef HAVE_SYS_WAIT_H
30 # include <sys/types.h>
31 # include <sys/wait.h>
32 #endif
33 #ifdef HAVE_LOCALE_H
34 # include <locale.h>
35 #endif
36
37 #include <X11/cursorfont.h>
38
39 Display *ob_display = NULL;
40 int ob_screen;
41 Window ob_root;
42 State ob_state;
43 gboolean ob_shutdown = FALSE;
44 gboolean ob_restart = FALSE;
45 char *ob_restart_path = NULL;
46 gboolean ob_remote = FALSE;
47 gboolean ob_sync = TRUE;
48 Cursors ob_cursors;
49
50 void signal_handler(int signal);
51
52 int main(int argc, char **argv)
53 {
54 struct sigaction action;
55 sigset_t sigset;
56
57 ob_state = State_Starting;
58
59 /* initialize the locale */
60 if (!setlocale(LC_ALL, ""))
61 g_warning("Couldn't set locale from environment.\n");
62 bindtextdomain(PACKAGE, LOCALEDIR);
63 bind_textdomain_codeset(PACKAGE, "UTF-8");
64 textdomain(PACKAGE);
65
66 /* set up signal handler */
67 sigemptyset(&sigset);
68 action.sa_handler = signal_handler;
69 action.sa_mask = sigset;
70 action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
71 sigaction(SIGUSR1, &action, (struct sigaction *) NULL);
72 sigaction(SIGPIPE, &action, (struct sigaction *) NULL);
73 sigaction(SIGSEGV, &action, (struct sigaction *) NULL);
74 sigaction(SIGFPE, &action, (struct sigaction *) NULL);
75 sigaction(SIGTERM, &action, (struct sigaction *) NULL);
76 sigaction(SIGINT, &action, (struct sigaction *) NULL);
77 sigaction(SIGHUP, &action, (struct sigaction *) NULL);
78 sigaction(SIGCHLD, &action, (struct sigaction *) NULL);
79
80 /* anything that died while we were restarting won't give us a SIGCHLD */
81 while (waitpid(-1, NULL, WNOHANG) > 0);
82
83 /* XXX parse out command line args */
84 (void)argc;(void)argv;
85
86 ob_display = XOpenDisplay(NULL);
87 if (ob_display == NULL) {
88 /* print a message and exit */
89 g_critical("Failed to open the display.");
90 exit(1);
91 }
92 if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1) {
93 /* print a message and exit */
94 g_critical("Failed to set display as close-on-exec.");
95 exit(1);
96 }
97
98 ob_screen = DefaultScreen(ob_display);
99 ob_root = RootWindow(ob_display, ob_screen);
100
101 /* XXX fork self onto other screens */
102
103 XSynchronize(ob_display, ob_sync);
104
105 /* check for locale support */
106 if (!XSupportsLocale())
107 g_warning("X server does not support locale.");
108 if (!XSetLocaleModifiers(""))
109 g_warning("Cannot set locale modifiers for the X server.");
110
111 /* set our error handler */
112 XSetErrorHandler(xerror_handler);
113
114 /* set the DISPLAY environment variable for any lauched children, to the
115 display we're using, so they open in the right place. */
116 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
117
118 ob_cursors.left_ptr = XCreateFontCursor(ob_display, XC_left_ptr);
119 ob_cursors.ll_angle = XCreateFontCursor(ob_display, XC_ll_angle);
120 ob_cursors.lr_angle = XCreateFontCursor(ob_display, XC_lr_angle);
121
122 prop_startup(); /* get atoms values for the display */
123 extensions_query_all(); /* find which extensions are present */
124
125 if (screen_annex()) { /* it will be ours! */
126 timer_startup();
127 dispatch_startup();
128 render_startup();
129 font_startup();
130 themerc_startup();
131 engine_startup(themerc_engine);
132 event_startup();
133 screen_startup();
134 focus_startup();
135 client_startup();
136
137 /*HOOKFIRE(startup, "()");XXX*/
138
139 /* get all the existing windows */
140 client_manage_all();
141
142 ob_state = State_Running;
143 while (!ob_shutdown) {
144 event_loop();
145 }
146 ob_state = State_Exiting;
147
148 client_unmanage_all();
149
150 /*HOOKFIRE(shutdown, "()");XXX*/
151
152 client_shutdown();
153 screen_shutdown();
154 event_shutdown();
155 engine_shutdown();
156 themerc_shutdown();
157 render_shutdown();
158 dispatch_shutdown();
159 timer_shutdown();
160 }
161
162 XCloseDisplay(ob_display);
163
164 /* XXX if (ob_restart) */
165
166 return 0;
167 }
168
169 void signal_handler(int signal)
170 {
171 switch (signal) {
172 case SIGUSR1:
173 g_message("Caught SIGUSR1 signal. Restarting.");
174 ob_shutdown = ob_restart = TRUE;
175 break;
176
177 case SIGCHLD:
178 wait(NULL);
179 break;
180
181 case SIGHUP:
182 case SIGINT:
183 case SIGTERM:
184 case SIGPIPE:
185 g_message("Caught signal %d. Exiting.", signal);
186 ob_shutdown = TRUE;
187 break;
188
189 case SIGFPE:
190 case SIGSEGV:
191 g_error("Caught signal %d. Aborting and dumping core.", signal);
192 }
193 }
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