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        Ben 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
  23 extern gchar **environ;
  24
  25 #ifndef USE_LIBSN
  26
  27 void sn_startup(gboolean reconfig) {}
  28 void sn_shutdown(gboolean reconfig) {}
  29 gboolean sn_app_starting() { return FALSE; }
  30 Time sn_app_started(const gchar *id, const gchar *wmclass)
  31 {
  32     return CurrentTime;
  33 }
  34 gboolean sn_get_desktop(gchar *id, guint *desktop) { return FALSE; }
  35 gchar **sn_get_spawn_environment(char *program, char *name,
  36                                  char *icon_name, gint desktop, Time time)
  37 {
  38     return g_strdupv(environ);
  39 }
  40 void sn_spawn_cancel() {}
  41
  42 #else
  43
  44 #include "openbox.h"
  45 #include "mainloop.h"
  46 #include "screen.h"
  47
  48 #define SN_API_NOT_YET_FROZEN
  49 #include <libsn/sn.h>
  50
  51 static SnDisplay *sn_display;
  52 static SnMonitorContext *sn_context;
  53 static SnLauncherContext *sn_launcher;
  54 static GSList *sn_waits; /* list of SnStartupSequences we're waiting on */
  55
  56 static SnStartupSequence* sequence_find(const gchar *id);
  57
  58 static void sn_handler(const XEvent *e, gpointer data);
  59 static void sn_event_func(SnMonitorEvent *event, gpointer data);
  60
  61 void sn_startup(gboolean reconfig)
  62 {
  63     if (reconfig) return;
  64
  65     sn_display = sn_display_new(ob_display, NULL, NULL);
  66     sn_context = sn_monitor_context_new(sn_display, ob_screen,
  67                                         sn_event_func, NULL, NULL);
  68     sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
  69
  70     ob_main_loop_x_add(ob_main_loop, sn_handler, NULL, NULL);
  71 }
  72
  73 void sn_shutdown(gboolean reconfig)
  74 {
  75     GSList *it;
  76
  77     if (reconfig) return;
  78
  79     ob_main_loop_x_remove(ob_main_loop, sn_handler);
  80
  81     for (it = sn_waits; it; it = g_slist_next(it))
  82         sn_startup_sequence_unref((SnStartupSequence*)it->data);
  83     g_slist_free(sn_waits);
  84     sn_waits = NULL;
  85
  86     screen_set_root_cursor();
  87
  88     sn_launcher_context_unref(sn_launcher);
  89     sn_monitor_context_unref(sn_context);
  90     sn_display_unref(sn_display);
  91 }
  92
  93 static SnStartupSequence* sequence_find(const gchar *id)
  94 {
  95     SnStartupSequence*ret = NULL;
  96     GSList *it;
  97
  98     for (it = sn_waits; it; it = g_slist_next(it)) {
  99         SnStartupSequence *seq = it->data;
 100         if (!strcmp(id, sn_startup_sequence_get_id(seq))) {
 101             ret = seq;
 102             break;
 103         }
 104     }
 105     return ret;
 106 }
 107
 108 gboolean sn_app_starting()
 109 {
 110     return sn_waits != NULL;
 111 }
 112
 113 static gboolean sn_wait_timeout(gpointer data)
 114 {
 115     SnStartupSequence *seq = data;
 116     sn_waits = g_slist_remove(sn_waits, seq);
 117     screen_set_root_cursor();
 118     return FALSE; /* don't repeat */
 119 }
 120
 121 static void sn_handler(const XEvent *e, gpointer data)
 122 {
 123     XEvent ec;
 124     ec = *e;
 125     sn_display_process_event(sn_display, &ec);
 126 }
 127
 128 static void sn_event_func(SnMonitorEvent *ev, gpointer data)
 129 {
 130     SnStartupSequence *seq;
 131     gboolean change = FALSE;
 132
 133     if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
 134         return;
 135
 136     switch (sn_monitor_event_get_type(ev)) {
 137     case SN_MONITOR_EVENT_INITIATED:
 138         sn_startup_sequence_ref(seq);
 139         sn_waits = g_slist_prepend(sn_waits, seq);
 140         /* 30 second timeout for apps to start if the launcher doesn't
 141            have a timeout */
 142         ob_main_loop_timeout_add(ob_main_loop, 30 * G_USEC_PER_SEC,
 143                                  sn_wait_timeout, seq,
 144                                  (GDestroyNotify)sn_startup_sequence_unref);
 145         change = TRUE;
 146         break;
 147     case SN_MONITOR_EVENT_CHANGED:
 148         /* XXX feedback changed? */
 149         change = TRUE;
 150         break;
 151     case SN_MONITOR_EVENT_COMPLETED:
 152     case SN_MONITOR_EVENT_CANCELED:
 153         if ((seq = sequence_find(sn_startup_sequence_get_id(seq)))) {
 154             sn_waits = g_slist_remove(sn_waits, seq);
 155             ob_main_loop_timeout_remove_data(ob_main_loop, sn_wait_timeout,
 156                                              seq, FALSE);
 157             change = TRUE;
 158         }
 159         break;
 160     };
 161
 162     if (change)
 163         screen_set_root_cursor();
 164 }
 165
 166 Time sn_app_started(const gchar *id, const gchar *wmclass)
 167 {
 168     GSList *it;
 169     Time t = CurrentTime;
 170
 171     if (!id && !wmclass)
 172         return t;
 173
 174     for (it = sn_waits; it; it = g_slist_next(it)) {
 175         SnStartupSequence *seq = it->data;
 176         gboolean found = FALSE;
 177         const gchar *seqid, *seqclass, *seqname, *seqbin;
 178         seqid = sn_startup_sequence_get_id(seq);
 179         seqclass = sn_startup_sequence_get_wmclass(seq);
 180         seqname = sn_startup_sequence_get_name(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         } else {
 189             seqclass = sn_startup_sequence_get_wmclass(seq);
 190             seqname = sn_startup_sequence_get_name(seq);
 191             seqbin = sn_startup_sequence_get_binary_name(seq);
 192
 193             if ((seqname && !g_ascii_strcasecmp(seqname, wmclass)) ||
 194                 (seqbin && !g_ascii_strcasecmp(seqbin, wmclass)) ||
 195                 (seqclass && !strcmp(seqclass, wmclass)))
 196                 found = TRUE;
 197         }
 198
 199         if (found) {
 200             sn_startup_sequence_complete(seq);
 201             t = sn_startup_sequence_get_timestamp(seq);
 202             break;
 203         }
 204     }
 205     return t;
 206 }
 207
 208 gboolean sn_get_desktop(gchar *id, guint *desktop)
 209 {
 210     SnStartupSequence *seq;
 211
 212     if (id && (seq = sequence_find(id))) {
 213         gint desk = sn_startup_sequence_get_workspace(seq);
 214         if (desk != -1) {
 215             *desktop = desk;
 216             return TRUE;
 217         }
 218     }
 219     return FALSE;
 220 }
 221
 222 static gboolean sn_launch_wait_timeout(gpointer data)
 223 {
 224     SnLauncherContext *sn = data;
 225     sn_launcher_context_complete(sn);
 226     return FALSE; /* don't repeat */
 227 }
 228
 229 gchar **sn_get_spawn_environment(char *program, char *name,
 230                                  char *icon_name, gint desktop,
 231                                  Time time)
 232 {
 233     gchar **env, *desc;
 234     guint len;
 235     const char *id;
 236
 237     desc = g_strdup_printf(_("Running %s\n"), program);
 238
 239     if (sn_launcher_context_get_initiated(sn_launcher)) {
 240         sn_launcher_context_unref(sn_launcher);
 241         sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
 242     }
 243
 244     sn_launcher_context_set_name(sn_launcher, name ? name : program);
 245     sn_launcher_context_set_description(sn_launcher, desc);
 246     sn_launcher_context_set_icon_name(sn_launcher, icon_name ? icon_name : program);
 247     sn_launcher_context_set_binary_name(sn_launcher, program);
 248     if (desktop >= 0 && (unsigned) desktop < screen_num_desktops)
 249         sn_launcher_context_set_workspace(sn_launcher, (signed) desktop);
 250     sn_launcher_context_initiate(sn_launcher, "openbox", program, time);
 251     id = sn_launcher_context_get_startup_id(sn_launcher);
 252
 253     /* 30 second timeout for apps to start */
 254     sn_launcher_context_ref(sn_launcher);
 255     ob_main_loop_timeout_add(ob_main_loop, 30 * G_USEC_PER_SEC,
 256                              sn_launch_wait_timeout, sn_launcher,
 257                              (GDestroyNotify)sn_launcher_context_unref);
 258
 259     env = g_strdupv(environ);
 260     len = g_strv_length(env); /* includes last null */
 261     env = g_renew(gchar*, env, ++len); /* add one spot */
 262     env[len-2] = g_strdup_printf("DESKTOP_STARTUP_ID=%s", id);
 263     env[len-1] = NULL;
 264
 265     g_free(desc);
 266
 267     return env;
 268 }
 269
 270 void sn_spawn_cancel()
 271 {
 272     sn_launcher_context_complete(sn_launcher);
 273 }
 274
 275 #endif