06fbb6c8e74bb08fe6e6c4de4b2c24b8730e367b
[dana/openbox.git] / openbox / startupnotify.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    startupnotify.c for the Openbox window manager
4    Copyright (c) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "startupnotify.h"
21 #include "gettext.h"
22 #include "event.h"
23 #include "obt/xqueue.h"
24
25 #ifdef HAVE_STDLIB_H
26 #  include <stdlib.h>
27 #endif
28
29 #ifndef USE_LIBSN
30
31 void sn_startup(gboolean reconfig) {}
32 void sn_shutdown(gboolean reconfig) {}
33 gboolean sn_app_starting() { return FALSE; }
34 Time sn_app_started(const gchar *id, const gchar *wmclass, const gchar *name)
35 {
36     return CurrentTime;
37 }
38 gboolean sn_get_desktop(gchar *id, guint *desktop) { return FALSE; }
39 void sn_setup_spawn_environment(const gchar *program, const gchar *name,
40                                 const gchar *icon_name, const gchar *wmclass,
41                                 gint desktop) {}
42 void sn_spawn_cancel() {}
43
44 #else
45
46 #include "openbox.h"
47 #include "screen.h"
48
49 #define SN_API_NOT_YET_FROZEN
50 #include <libsn/sn.h>
51
52 static SnDisplay *sn_display;
53 static SnMonitorContext *sn_context;
54 static SnLauncherContext *sn_launcher;
55 static GSList *sn_waits; /* list of SnStartupSequences we're waiting on */
56
57 static SnStartupSequence* sequence_find(const gchar *id);
58
59 static void sn_handler(const XEvent *e, gpointer data);
60 static void sn_event_func(SnMonitorEvent *event, gpointer data);
61
62 void sn_startup(gboolean reconfig)
63 {
64     if (reconfig) return;
65
66     sn_display = sn_display_new(obt_display, NULL, NULL);
67     sn_context = sn_monitor_context_new(sn_display, ob_screen,
68                                         sn_event_func, NULL, NULL);
69     sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
70
71     xqueue_add_callback(sn_handler, NULL);
72 }
73
74 void sn_shutdown(gboolean reconfig)
75 {
76     GSList *it;
77
78     if (reconfig) return;
79
80     xqueue_remove_callback(sn_handler, NULL);
81
82     for (it = sn_waits; it; it = g_slist_next(it))
83         sn_startup_sequence_unref((SnStartupSequence*)it->data);
84     g_slist_free(sn_waits);
85     sn_waits = NULL;
86
87     screen_set_root_cursor();
88
89     sn_launcher_context_unref(sn_launcher);
90     sn_monitor_context_unref(sn_context);
91     sn_display_unref(sn_display);
92 }
93
94 static SnStartupSequence* sequence_find(const gchar *id)
95 {
96     SnStartupSequence*ret = NULL;
97     GSList *it;
98
99     for (it = sn_waits; it; it = g_slist_next(it)) {
100         SnStartupSequence *seq = it->data;
101         if (!strcmp(id, sn_startup_sequence_get_id(seq))) {
102             ret = seq;
103             break;
104         }
105     }
106     return ret;
107 }
108
109 gboolean sn_app_starting(void)
110 {
111     return sn_waits != NULL;
112 }
113
114 static gboolean sn_wait_timeout(gpointer data)
115 {
116     SnStartupSequence *seq = data;
117     sn_waits = g_slist_remove(sn_waits, seq);
118     screen_set_root_cursor();
119     XFlush(obt_display);
120     return FALSE; /* don't repeat */
121 }
122
123 static void sn_handler(const XEvent *e, gpointer data)
124 {
125     XEvent ec;
126     ec = *e;
127     sn_display_process_event(sn_display, &ec);
128 }
129
130 static void sn_event_func(SnMonitorEvent *ev, gpointer data)
131 {
132     SnStartupSequence *seq;
133     gboolean change = FALSE;
134
135     if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
136         return;
137
138     switch (sn_monitor_event_get_type(ev)) {
139     case SN_MONITOR_EVENT_INITIATED:
140         sn_startup_sequence_ref(seq);
141         sn_waits = g_slist_prepend(sn_waits, seq);
142         /* 20 second timeout for apps to start if the launcher doesn't
143            have a timeout */
144         g_timeout_add_full(G_PRIORITY_DEFAULT,
145                            20 * 1000, sn_wait_timeout, seq,
146                            (GDestroyNotify)sn_startup_sequence_unref);
147         change = TRUE;
148         break;
149     case SN_MONITOR_EVENT_CHANGED:
150         /* XXX feedback changed? */
151         change = TRUE;
152         break;
153     case SN_MONITOR_EVENT_COMPLETED:
154     case SN_MONITOR_EVENT_CANCELED:
155         if ((seq = sequence_find(sn_startup_sequence_get_id(seq)))) {
156             sn_waits = g_slist_remove(sn_waits, seq);
157             g_source_remove_by_user_data(seq);
158             change = TRUE;
159         }
160         break;
161     };
162
163     if (change)
164         screen_set_root_cursor();
165 }
166
167 Time sn_app_started(const gchar *id, const gchar *wmclass, const gchar *name)
168 {
169     GSList *it;
170     Time t = CurrentTime;
171
172     if (!id && !wmclass)
173         return t;
174
175     for (it = sn_waits; it; it = g_slist_next(it)) {
176         SnStartupSequence *seq = it->data;
177         gboolean found = FALSE;
178         const gchar *seqid, *seqclass, *seqbin;
179         seqid = sn_startup_sequence_get_id(seq);
180         seqclass = sn_startup_sequence_get_wmclass(seq);
181         seqbin = sn_startup_sequence_get_binary_name(seq);
182
183         if (id && seqid) {
184             /* if the app has a startup id, then look for that for highest
185                accuracy */
186             if (!strcmp(seqid, id))
187                 found = TRUE;
188         }
189         else if (seqclass) {
190             /* seqclass = "a string to match against the "resource name" or
191                "resource class" hints.  These are WM_CLASS[0] and WM_CLASS[1]"
192                - from the startup-notification spec
193             */
194             found = (seqclass && !strcmp(seqclass, wmclass)) ||
195                 (seqclass && !strcmp(seqclass, name));
196         }
197         else if (seqbin) {
198             /* Check the binary name against the class and name hints
199                as well, to help apps that don't have the class set
200                correctly */
201             found = (seqbin && !g_ascii_strcasecmp(seqbin, wmclass)) ||
202                 (seqbin && !g_ascii_strcasecmp(seqbin, name));
203         }
204
205         if (found) {
206             sn_startup_sequence_complete(seq);
207             t = sn_startup_sequence_get_timestamp(seq);
208             break;
209         }
210     }
211     return t;
212 }
213
214 gboolean sn_get_desktop(gchar *id, guint *desktop)
215 {
216     SnStartupSequence *seq;
217
218     if (id && (seq = sequence_find(id))) {
219         gint desk = sn_startup_sequence_get_workspace(seq);
220         if (desk != -1) {
221             *desktop = desk;
222             return TRUE;
223         }
224     }
225     return FALSE;
226 }
227
228 static gboolean sn_launch_wait_timeout(gpointer data)
229 {
230     SnLauncherContext *sn = data;
231     sn_launcher_context_complete(sn);
232     XFlush(obt_display);
233     return FALSE; /* don't repeat */
234 }
235
236 void sn_setup_spawn_environment(const gchar *program, const gchar *name,
237                                 const gchar *icon_name, const gchar *wmclass,
238                                 gint desktop)
239 {
240     gchar *desc;
241     const char *id;
242
243     desc = g_strdup_printf(_("Running %s"), program);
244
245     if (sn_launcher_context_get_initiated(sn_launcher)) {
246         sn_launcher_context_unref(sn_launcher);
247         sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
248     }
249
250     sn_launcher_context_set_name(sn_launcher, name ? name : program);
251     sn_launcher_context_set_description(sn_launcher, desc);
252     sn_launcher_context_set_icon_name(sn_launcher, icon_name ?
253                                       icon_name : program);
254     sn_launcher_context_set_binary_name(sn_launcher, program);
255     if (wmclass) sn_launcher_context_set_wmclass(sn_launcher, wmclass);
256     if (desktop >= 0 && (unsigned) desktop < screen_num_desktops)
257         sn_launcher_context_set_workspace(sn_launcher, (signed) desktop);
258     sn_launcher_context_initiate(sn_launcher, "openbox", program,
259                                  event_time());
260     id = sn_launcher_context_get_startup_id(sn_launcher);
261
262     /* 20 second timeout for apps to start */
263     sn_launcher_context_ref(sn_launcher);
264     g_timeout_add_full(G_PRIORITY_DEFAULT,
265                        20 * 1000, sn_launch_wait_timeout, sn_launcher,
266                        (GDestroyNotify)sn_launcher_context_unref);
267
268     setenv("DESKTOP_STARTUP_ID", id, TRUE);
269
270     g_free(desc);
271 }
272
273 void sn_spawn_cancel(void)
274 {
275     sn_launcher_context_complete(sn_launcher);
276 }
277
278 #endif