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
  24 #include <stdlib.h>
  25
  26 #ifndef USE_LIBSN
  27
  28 void sn_startup(gboolean reconfig) {}
  29 void sn_shutdown(gboolean reconfig) {}
  30 gboolean sn_app_starting() { return FALSE; }
  31 Time sn_app_started(const gchar *id, const gchar *wmclass)
  32 {
  33     return CurrentTime;
  34 }
  35 gboolean sn_get_desktop(gchar *id, guint *desktop) { return FALSE; }
  36 void sn_setup_spawn_environment(gchar *program, gchar *name,
  37                                 gchar *icon_name, gint desktop) {}
  38 void sn_spawn_cancel() {}
  39
  40 #else
  41
  42 #include "openbox.h"
  43 #include "mainloop.h"
  44 #include "screen.h"
  45
  46 #define SN_API_NOT_YET_FROZEN
  47 #include <libsn/sn.h>
  48
  49 static SnDisplay *sn_display;
  50 static SnMonitorContext *sn_context;
  51 static SnLauncherContext *sn_launcher;
  52 static GSList *sn_waits; /* list of SnStartupSequences we're waiting on */
  53
  54 static SnStartupSequence* sequence_find(const gchar *id);
  55
  56 static void sn_handler(const XEvent *e, gpointer data);
  57 static void sn_event_func(SnMonitorEvent *event, gpointer data);
  58
  59 void sn_startup(gboolean reconfig)
  60 {
  61     gchar *s;
  62
  63     if (reconfig) return;
  64
  65     /* unset this so we don't pass it on unknowingly */
  66     s = g_strdup("DESKTOP_STARTUP_ID");
  67     putenv(s);
  68     g_free(s);
  69
  70     sn_display = sn_display_new(ob_display, NULL, NULL);
  71     sn_context = sn_monitor_context_new(sn_display, ob_screen,
  72                                         sn_event_func, NULL, NULL);
  73     sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
  74
  75     ob_main_loop_x_add(ob_main_loop, sn_handler, NULL, NULL);
  76 }
  77
  78 void sn_shutdown(gboolean reconfig)
  79 {
  80     GSList *it;
  81
  82     if (reconfig) return;
  83
  84     ob_main_loop_x_remove(ob_main_loop, sn_handler);
  85
  86     for (it = sn_waits; it; it = g_slist_next(it))
  87         sn_startup_sequence_unref((SnStartupSequence*)it->data);
  88     g_slist_free(sn_waits);
  89     sn_waits = NULL;
  90
  91     screen_set_root_cursor();
  92
  93     sn_launcher_context_unref(sn_launcher);
  94     sn_monitor_context_unref(sn_context);
  95     sn_display_unref(sn_display);
  96 }
  97
  98 static SnStartupSequence* sequence_find(const gchar *id)
  99 {
 100     SnStartupSequence*ret = NULL;
 101     GSList *it;
 102
 103     for (it = sn_waits; it; it = g_slist_next(it)) {
 104         SnStartupSequence *seq = it->data;
 105         if (!strcmp(id, sn_startup_sequence_get_id(seq))) {
 106             ret = seq;
 107             break;
 108         }
 109     }
 110     return ret;
 111 }
 112
 113 gboolean sn_app_starting(void)
 114 {
 115     return sn_waits != NULL;
 116 }
 117
 118 static gboolean sn_wait_timeout(gpointer data)
 119 {
 120     SnStartupSequence *seq = data;
 121     sn_waits = g_slist_remove(sn_waits, seq);
 122     screen_set_root_cursor();
 123     return FALSE; /* don't repeat */
 124 }
 125
 126 static void sn_handler(const XEvent *e, gpointer data)
 127 {
 128     XEvent ec;
 129     ec = *e;
 130     sn_display_process_event(sn_display, &ec);
 131 }
 132
 133 static void sn_event_func(SnMonitorEvent *ev, gpointer data)
 134 {
 135     SnStartupSequence *seq;
 136     gboolean change = FALSE;
 137
 138     if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
 139         return;
 140
 141     switch (sn_monitor_event_get_type(ev)) {
 142     case SN_MONITOR_EVENT_INITIATED:
 143         sn_startup_sequence_ref(seq);
 144         sn_waits = g_slist_prepend(sn_waits, seq);
 145         /* 20 second timeout for apps to start if the launcher doesn't
 146            have a timeout */
 147         ob_main_loop_timeout_add(ob_main_loop, 20 * G_USEC_PER_SEC,
 148                                  sn_wait_timeout, seq,
 149                                  g_direct_equal,
 150                                  (GDestroyNotify)sn_startup_sequence_unref);
 151         change = TRUE;
 152         break;
 153     case SN_MONITOR_EVENT_CHANGED:
 154         /* XXX feedback changed? */
 155         change = TRUE;
 156         break;
 157     case SN_MONITOR_EVENT_COMPLETED:
 158     case SN_MONITOR_EVENT_CANCELED:
 159         if ((seq = sequence_find(sn_startup_sequence_get_id(seq)))) {
 160             sn_waits = g_slist_remove(sn_waits, seq);
 161             ob_main_loop_timeout_remove_data(ob_main_loop, sn_wait_timeout,
 162                                              seq, FALSE);
 163             change = TRUE;
 164         }
 165         break;
 166     };
 167
 168     if (change)
 169         screen_set_root_cursor();
 170 }
 171
 172 Time sn_app_started(const gchar *id, const gchar *wmclass)
 173 {
 174     GSList *it;
 175     Time t = CurrentTime;
 176
 177     if (!id && !wmclass)
 178         return t;
 179
 180     for (it = sn_waits; it; it = g_slist_next(it)) {
 181         SnStartupSequence *seq = it->data;
 182         gboolean found = FALSE;
 183         const gchar *seqid, *seqclass, *seqname, *seqbin;
 184         seqid = sn_startup_sequence_get_id(seq);
 185         seqclass = sn_startup_sequence_get_wmclass(seq);
 186         seqname = sn_startup_sequence_get_name(seq);
 187         seqbin = sn_startup_sequence_get_binary_name(seq);
 188
 189         if (id && seqid) {
 190             /* if the app has a startup id, then look for that for highest
 191                accuracy */
 192             if (!strcmp(seqid, id))
 193                 found = TRUE;
 194         } else {
 195             seqclass = sn_startup_sequence_get_wmclass(seq);
 196             seqname = sn_startup_sequence_get_name(seq);
 197             seqbin = sn_startup_sequence_get_binary_name(seq);
 198
 199             if ((seqname && !g_ascii_strcasecmp(seqname, wmclass)) ||
 200                 (seqbin && !g_ascii_strcasecmp(seqbin, wmclass)) ||
 201                 (seqclass && !strcmp(seqclass, wmclass)))
 202                 found = TRUE;
 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     return FALSE; /* don't repeat */
 233 }
 234
 235 void sn_setup_spawn_environment(gchar *program, gchar *name,
 236                                 gchar *icon_name, gint desktop)
 237 {
 238     gchar *desc;
 239     const char *id;
 240
 241     desc = g_strdup_printf(_("Running %s\n"), program);
 242
 243     if (sn_launcher_context_get_initiated(sn_launcher)) {
 244         sn_launcher_context_unref(sn_launcher);
 245         sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
 246     }
 247
 248     sn_launcher_context_set_name(sn_launcher, name ? name : program);
 249     sn_launcher_context_set_description(sn_launcher, desc);
 250     sn_launcher_context_set_icon_name(sn_launcher, icon_name ?
 251                                       icon_name : program);
 252     sn_launcher_context_set_binary_name(sn_launcher, program);
 253     if (desktop >= 0 && (unsigned) desktop < screen_num_desktops)
 254         sn_launcher_context_set_workspace(sn_launcher, (signed) desktop);
 255     sn_launcher_context_initiate(sn_launcher, "openbox", program,
 256                                  event_curtime);
 257     id = sn_launcher_context_get_startup_id(sn_launcher);
 258
 259     /* 20 second timeout for apps to start */
 260     sn_launcher_context_ref(sn_launcher);
 261     ob_main_loop_timeout_add(ob_main_loop, 20 * G_USEC_PER_SEC,
 262                              sn_launch_wait_timeout, sn_launcher,
 263                              g_direct_equal,
 264                              (GDestroyNotify)sn_launcher_context_unref);
 265
 266     putenv(g_strdup_printf("DESKTOP_STARTUP_ID=%s", id));
 267
 268     g_free(desc);
 269 }
 270
 271 void sn_spawn_cancel(void)
 272 {
 273     sn_launcher_context_complete(sn_launcher);
 274 }
 275
 276 #endif