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 #ifdef HAVE_STDLIB_H
  25 #  include <stdlib.h>
  26 #endif
  27
  28 #ifndef USE_LIBSN
  29
  30 void sn_startup(gboolean reconfig) {}
  31 void sn_shutdown(gboolean reconfig) {}
  32 gboolean sn_app_starting() { return FALSE; }
  33 Time sn_app_started(const gchar *id, const gchar *wmclass, const gchar *name)
  34 {
  35     return CurrentTime;
  36 }
  37 gboolean sn_get_desktop(gchar *id, guint *desktop) { return FALSE; }
  38 void sn_setup_spawn_environment(const gchar *program, const gchar *name,
  39                                 const gchar *icon_name, const gchar *wmclass,
  40                                 gint desktop) {}
  41 void sn_spawn_cancel() {}
  42
  43 #else
  44
  45 #include "openbox.h"
  46 #include "mainloop.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(ob_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     ob_main_loop_x_add(ob_main_loop, sn_handler, NULL, NULL);
  72 }
  73
  74 void sn_shutdown(gboolean reconfig)
  75 {
  76     GSList *it;
  77
  78     if (reconfig) return;
  79
  80     ob_main_loop_x_remove(ob_main_loop, sn_handler);
  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         ob_main_loop_timeout_add(ob_main_loop, 20 * G_USEC_PER_SEC,
 144                                  sn_wait_timeout, seq,
 145                                  g_direct_equal,
 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             ob_main_loop_timeout_remove_data(ob_main_loop, sn_wait_timeout,
 158                                              seq, FALSE);
 159             change = TRUE;
 160         }
 161         break;
 162     };
 163
 164     if (change)
 165         screen_set_root_cursor();
 166 }
 167
 168 Time sn_app_started(const gchar *id, const gchar *wmclass, const gchar *name)
 169 {
 170     GSList *it;
 171     Time t = CurrentTime;
 172
 173     if (!id && !wmclass)
 174         return t;
 175
 176     for (it = sn_waits; it; it = g_slist_next(it)) {
 177         SnStartupSequence *seq = it->data;
 178         gboolean found = FALSE;
 179         const gchar *seqid, *seqclass, *seqbin;
 180         seqid = sn_startup_sequence_get_id(seq);
 181         seqclass = sn_startup_sequence_get_wmclass(seq);
 182         seqbin = sn_startup_sequence_get_binary_name(seq);
 183
 184         if (id && seqid) {
 185             /* if the app has a startup id, then look for that for highest
 186                accuracy */
 187             if (!strcmp(seqid, id))
 188                 found = TRUE;
 189         }
 190         else if (seqclass) {
 191             /* seqclass = "a string to match against the "resource name" or
 192                "resource class" hints.  These are WM_CLASS[0] and WM_CLASS[1]"
 193                - from the startup-notification spec
 194             */
 195             found = (seqclass && !strcmp(seqclass, wmclass)) ||
 196                 (seqclass && !strcmp(seqclass, name));
 197         }
 198         else if (seqbin) {
 199             /* Check the binary name against the class and name hints
 200                as well, to help apps that don't have the class set
 201                correctly */
 202             found = (seqbin && !g_ascii_strcasecmp(seqbin, wmclass)) ||
 203                 (seqbin && !g_ascii_strcasecmp(seqbin, name));
 204         }
 205
 206         if (found) {
 207             sn_startup_sequence_complete(seq);
 208             t = sn_startup_sequence_get_timestamp(seq);
 209             break;
 210         }
 211     }
 212     return t;
 213 }
 214
 215 gboolean sn_get_desktop(gchar *id, guint *desktop)
 216 {
 217     SnStartupSequence *seq;
 218
 219     if (id && (seq = sequence_find(id))) {
 220         gint desk = sn_startup_sequence_get_workspace(seq);
 221         if (desk != -1) {
 222             *desktop = desk;
 223             return TRUE;
 224         }
 225     }
 226     return FALSE;
 227 }
 228
 229 static gboolean sn_launch_wait_timeout(gpointer data)
 230 {
 231     SnLauncherContext *sn = data;
 232     sn_launcher_context_complete(sn);
 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\n"), 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_curtime);
 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     ob_main_loop_timeout_add(ob_main_loop, 20 * G_USEC_PER_SEC,
 265                              sn_launch_wait_timeout, sn_launcher,
 266                              g_direct_equal,
 267                              (GDestroyNotify)sn_launcher_context_unref);
 268
 269     setenv("DESKTOP_STARTUP_ID", id, TRUE);
 270
 271     g_free(desc);
 272 }
 273
 274 void sn_spawn_cancel(void)
 275 {
 276     sn_launcher_context_complete(sn_launcher);
 277 }
 278
 279 #endif