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     return FALSE; /* don't repeat */
 120 }
 121
 122 static void sn_handler(const XEvent *e, gpointer data)
 123 {
 124     XEvent ec;
 125     ec = *e;
 126     sn_display_process_event(sn_display, &ec);
 127 }
 128
 129 static void sn_event_func(SnMonitorEvent *ev, gpointer data)
 130 {
 131     SnStartupSequence *seq;
 132     gboolean change = FALSE;
 133
 134     if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
 135         return;
 136
 137     switch (sn_monitor_event_get_type(ev)) {
 138     case SN_MONITOR_EVENT_INITIATED:
 139         sn_startup_sequence_ref(seq);
 140         sn_waits = g_slist_prepend(sn_waits, seq);
 141         /* 20 second timeout for apps to start if the launcher doesn't
 142            have a timeout */
 143         g_timeout_add_full(G_PRIORITY_DEFAULT,
 144                            20 * 1000, sn_wait_timeout, seq,
 145                            (GDestroyNotify)sn_startup_sequence_unref);
 146         change = TRUE;
 147         break;
 148     case SN_MONITOR_EVENT_CHANGED:
 149         /* XXX feedback changed? */
 150         change = TRUE;
 151         break;
 152     case SN_MONITOR_EVENT_COMPLETED:
 153     case SN_MONITOR_EVENT_CANCELED:
 154         if ((seq = sequence_find(sn_startup_sequence_get_id(seq)))) {
 155             sn_waits = g_slist_remove(sn_waits, seq);
 156             g_source_remove_by_user_data(seq);
 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, const gchar *name)
 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, *seqbin;
 178         seqid = sn_startup_sequence_get_id(seq);
 179         seqclass = sn_startup_sequence_get_wmclass(seq);
 180         seqbin = sn_startup_sequence_get_binary_name(seq);
 181
 182         if (id && seqid) {
 183             /* if the app has a startup id, then look for that for highest
 184                accuracy */
 185             if (!strcmp(seqid, id))
 186                 found = TRUE;
 187         }
 188         else if (seqclass) {
 189             /* seqclass = "a string to match against the "resource name" or
 190                "resource class" hints.  These are WM_CLASS[0] and WM_CLASS[1]"
 191                - from the startup-notification spec
 192             */
 193             found = (seqclass && !strcmp(seqclass, wmclass)) ||
 194                 (seqclass && !strcmp(seqclass, name));
 195         }
 196         else if (seqbin) {
 197             /* Check the binary name against the class and name hints
 198                as well, to help apps that don't have the class set
 199                correctly */
 200             found = (seqbin && !g_ascii_strcasecmp(seqbin, wmclass)) ||
 201                 (seqbin && !g_ascii_strcasecmp(seqbin, name));
 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(const gchar *program, const gchar *name,
 235                                 const gchar *icon_name, const gchar *wmclass,
 236                                 gint desktop)
 237 {
 238     gchar *desc;
 239     const char *id;
 240
 241     desc = g_strdup_printf(_("Running %s"), 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 (wmclass) sn_launcher_context_set_wmclass(sn_launcher, wmclass);
 254     if (desktop >= 0 && (unsigned) desktop < screen_num_desktops)
 255         sn_launcher_context_set_workspace(sn_launcher, (signed) desktop);
 256     sn_launcher_context_initiate(sn_launcher, "openbox", program,
 257                                  event_time());
 258     id = sn_launcher_context_get_startup_id(sn_launcher);
 259
 260     /* 20 second timeout for apps to start */
 261     sn_launcher_context_ref(sn_launcher);
 262     g_timeout_add_full(G_PRIORITY_DEFAULT,
 263                        20 * 1000, sn_launch_wait_timeout, sn_launcher,
 264                        (GDestroyNotify)sn_launcher_context_unref);
 265
 266     g_setenv("DESKTOP_STARTUP_ID", id, TRUE);
 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