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 "screen.h"
  44
  45 #define SN_API_NOT_YET_FROZEN
  46 #include <libsn/sn.h>
  47
  48 static SnDisplay *sn_display;
  49 static SnMonitorContext *sn_context;
  50 static SnLauncherContext *sn_launcher;
  51 static GSList *sn_waits; /* list of SnStartupSequences we're waiting on */
  52
  53 static SnStartupSequence* sequence_find(const gchar *id);
  54
  55 static void sn_handler(const XEvent *e, gpointer data);
  56 static void sn_event_func(SnMonitorEvent *event, gpointer data);
  57
  58 void sn_startup(gboolean reconfig)
  59 {
  60     gchar *s;
  61
  62     if (reconfig) return;
  63
  64     /* unset this so we don't pass it on unknowingly */
  65     s = g_strdup("DESKTOP_STARTUP_ID");
  66     putenv(s);
  67     g_free(s);
  68
  69     sn_display = sn_display_new(obt_display, NULL, NULL);
  70     sn_context = sn_monitor_context_new(sn_display, ob_screen,
  71                                         sn_event_func, NULL, NULL);
  72     sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
  73
  74     obt_main_loop_x_add(ob_main_loop, sn_handler, NULL, NULL);
  75 }
  76
  77 void sn_shutdown(gboolean reconfig)
  78 {
  79     GSList *it;
  80
  81     if (reconfig) return;
  82
  83     obt_main_loop_x_remove(ob_main_loop, sn_handler);
  84
  85     for (it = sn_waits; it; it = g_slist_next(it))
  86         sn_startup_sequence_unref((SnStartupSequence*)it->data);
  87     g_slist_free(sn_waits);
  88     sn_waits = NULL;
  89
  90     screen_set_root_cursor();
  91
  92     sn_launcher_context_unref(sn_launcher);
  93     sn_monitor_context_unref(sn_context);
  94     sn_display_unref(sn_display);
  95 }
  96
  97 static SnStartupSequence* sequence_find(const gchar *id)
  98 {
  99     SnStartupSequence*ret = NULL;
 100     GSList *it;
 101
 102     for (it = sn_waits; it; it = g_slist_next(it)) {
 103         SnStartupSequence *seq = it->data;
 104         if (!strcmp(id, sn_startup_sequence_get_id(seq))) {
 105             ret = seq;
 106             break;
 107         }
 108     }
 109     return ret;
 110 }
 111
 112 gboolean sn_app_starting(void)
 113 {
 114     return sn_waits != NULL;
 115 }
 116
 117 static gboolean sn_wait_timeout(gpointer data)
 118 {
 119     SnStartupSequence *seq = data;
 120     sn_waits = g_slist_remove(sn_waits, seq);
 121     screen_set_root_cursor();
 122     return FALSE; /* don't repeat */
 123 }
 124
 125 static void sn_handler(const XEvent *e, gpointer data)
 126 {
 127     XEvent ec;
 128     ec = *e;
 129     sn_display_process_event(sn_display, &ec);
 130 }
 131
 132 static void sn_event_func(SnMonitorEvent *ev, gpointer data)
 133 {
 134     SnStartupSequence *seq;
 135     gboolean change = FALSE;
 136
 137     if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
 138         return;
 139
 140     switch (sn_monitor_event_get_type(ev)) {
 141     case SN_MONITOR_EVENT_INITIATED:
 142         sn_startup_sequence_ref(seq);
 143         sn_waits = g_slist_prepend(sn_waits, seq);
 144         /* 20 second timeout for apps to start if the launcher doesn't
 145            have a timeout */
 146         obt_main_loop_timeout_add(ob_main_loop, 20 * G_USEC_PER_SEC,
 147                                   sn_wait_timeout, seq,
 148                                   g_direct_equal,
 149                                   (GDestroyNotify)sn_startup_sequence_unref);
 150         change = TRUE;
 151         break;
 152     case SN_MONITOR_EVENT_CHANGED:
 153         /* XXX feedback changed? */
 154         change = TRUE;
 155         break;
 156     case SN_MONITOR_EVENT_COMPLETED:
 157     case SN_MONITOR_EVENT_CANCELED:
 158         if ((seq = sequence_find(sn_startup_sequence_get_id(seq)))) {
 159             sn_waits = g_slist_remove(sn_waits, seq);
 160             obt_main_loop_timeout_remove_data(ob_main_loop, sn_wait_timeout,
 161                                               seq, FALSE);
 162             change = TRUE;
 163         }
 164         break;
 165     };
 166
 167     if (change)
 168         screen_set_root_cursor();
 169 }
 170
 171 Time sn_app_started(const gchar *id, const gchar *wmclass)
 172 {
 173     GSList *it;
 174     Time t = CurrentTime;
 175
 176     if (!id && !wmclass)
 177         return t;
 178
 179     for (it = sn_waits; it; it = g_slist_next(it)) {
 180         SnStartupSequence *seq = it->data;
 181         gboolean found = FALSE;
 182         const gchar *seqid, *seqclass, *seqname, *seqbin;
 183         seqid = sn_startup_sequence_get_id(seq);
 184         seqclass = sn_startup_sequence_get_wmclass(seq);
 185         seqname = sn_startup_sequence_get_name(seq);
 186         seqbin = sn_startup_sequence_get_binary_name(seq);
 187
 188         if (id && seqid) {
 189             /* if the app has a startup id, then look for that for highest
 190                accuracy */
 191             if (!strcmp(seqid, id))
 192                 found = TRUE;
 193         } else {
 194             seqclass = sn_startup_sequence_get_wmclass(seq);
 195             seqname = sn_startup_sequence_get_name(seq);
 196             seqbin = sn_startup_sequence_get_binary_name(seq);
 197
 198             if ((seqname && !g_ascii_strcasecmp(seqname, wmclass)) ||
 199                 (seqbin && !g_ascii_strcasecmp(seqbin, wmclass)) ||
 200                 (seqclass && !strcmp(seqclass, wmclass)))
 201                 found = TRUE;
 202         }
 203
 204         if (found) {
 205             sn_startup_sequence_complete(seq);
 206             t = sn_startup_sequence_get_timestamp(seq);
 207             break;
 208         }
 209     }
 210     return t;
 211 }
 212
 213 gboolean sn_get_desktop(gchar *id, guint *desktop)
 214 {
 215     SnStartupSequence *seq;
 216
 217     if (id && (seq = sequence_find(id))) {
 218         gint desk = sn_startup_sequence_get_workspace(seq);
 219         if (desk != -1) {
 220             *desktop = desk;
 221             return TRUE;
 222         }
 223     }
 224     return FALSE;
 225 }
 226
 227 static gboolean sn_launch_wait_timeout(gpointer data)
 228 {
 229     SnLauncherContext *sn = data;
 230     sn_launcher_context_complete(sn);
 231     return FALSE; /* don't repeat */
 232 }
 233
 234 void sn_setup_spawn_environment(gchar *program, gchar *name,
 235                                 gchar *icon_name, gint desktop)
 236 {
 237     gchar *desc;
 238     const char *id;
 239
 240     desc = g_strdup_printf(_("Running %s\n"), program);
 241
 242     if (sn_launcher_context_get_initiated(sn_launcher)) {
 243         sn_launcher_context_unref(sn_launcher);
 244         sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
 245     }
 246
 247     sn_launcher_context_set_name(sn_launcher, name ? name : program);
 248     sn_launcher_context_set_description(sn_launcher, desc);
 249     sn_launcher_context_set_icon_name(sn_launcher, icon_name ?
 250                                       icon_name : program);
 251     sn_launcher_context_set_binary_name(sn_launcher, program);
 252     if (desktop >= 0 && (unsigned) desktop < screen_num_desktops)
 253         sn_launcher_context_set_workspace(sn_launcher, (signed) desktop);
 254     sn_launcher_context_initiate(sn_launcher, "openbox", program,
 255                                  event_curtime);
 256     id = sn_launcher_context_get_startup_id(sn_launcher);
 257
 258     /* 20 second timeout for apps to start */
 259     sn_launcher_context_ref(sn_launcher);
 260     obt_main_loop_timeout_add(ob_main_loop, 20 * G_USEC_PER_SEC,
 261                               sn_launch_wait_timeout, sn_launcher,
 262                               g_direct_equal,
 263                               (GDestroyNotify)sn_launcher_context_unref);
 264
 265     putenv(g_strdup_printf("DESKTOP_STARTUP_ID=%s", id));
 266
 267     g_free(desc);
 268 }
 269
 270 void sn_spawn_cancel(void)
 271 {
 272     sn_launcher_context_complete(sn_launcher);
 273 }
 274
 275 #endif