Dogcows Code - chaz/openbox/blob - 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) 2003        Ben Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include "startupnotify.h"
  20
  21 #ifndef USE_LIBSN
  22
  23 void sn_startup(gboolean reconfig) {}
  24 void sn_shutdown(gboolean reconfig) {}
  25 gboolean sn_app_starting() { return FALSE; }
  26 void sn_app_started(gchar *wmclass) {}
  27 gboolean sn_get_desktop(gchar *id, guint *desktop) { return FALSE; }
  28
  29 #else
  30
  31 #include "openbox.h"
  32 #include "mainloop.h"
  33 #include "screen.h"
  34
  35 #define SN_API_NOT_YET_FROZEN
  36 #include <libsn/sn.h>
  37
  38 typedef struct {
  39     SnStartupSequence *seq;
  40     gboolean feedback;
  41 } ObWaitData;
  42
  43 static SnDisplay *sn_display;
  44 static SnMonitorContext *sn_context;
  45 static GSList *sn_waits; /* list of ObWaitDatas */
  46
  47 static ObWaitData* wait_data_new(SnStartupSequence *seq);
  48 static void wait_data_free(ObWaitData *d);
  49 static ObWaitData* wait_find(const gchar *id);
  50
  51 static void sn_handler(const XEvent *e, gpointer data);
  52 static void sn_event_func(SnMonitorEvent *event, gpointer data);
  53
  54 void sn_startup(gboolean reconfig)
  55 {
  56     if (reconfig) return;
  57
  58     sn_display = sn_display_new(ob_display, NULL, NULL);
  59     sn_context = sn_monitor_context_new(sn_display, ob_screen,
  60                                         sn_event_func, NULL, NULL);
  61
  62     ob_main_loop_x_add(ob_main_loop, sn_handler, NULL, NULL, NULL);
  63 }
  64
  65 void sn_shutdown(gboolean reconfig)
  66 {
  67     GSList *it;
  68
  69     if (reconfig) return;
  70
  71     ob_main_loop_x_remove(ob_main_loop, sn_handler);
  72
  73     for (it = sn_waits; it; it = g_slist_next(it))
  74         wait_data_free(it->data);
  75     g_slist_free(sn_waits);
  76     sn_waits = NULL;
  77
  78     screen_set_root_cursor();
  79
  80     sn_monitor_context_unref(sn_context);
  81     sn_display_unref(sn_display);
  82 }
  83
  84 static ObWaitData* wait_data_new(SnStartupSequence *seq)
  85 {
  86     ObWaitData *d = g_new(ObWaitData, 1);
  87     d->seq = seq;
  88     d->feedback = TRUE;
  89
  90     sn_startup_sequence_ref(d->seq);
  91
  92     return d;
  93 }
  94
  95 static void wait_data_free(ObWaitData *d)
  96 {
  97     if (d) {
  98         sn_startup_sequence_unref(d->seq);
  99
 100         g_free(d);
 101     }
 102 }
 103
 104 static ObWaitData* wait_find(const gchar *id)
 105 {
 106     ObWaitData *ret = NULL;
 107     GSList *it;
 108
 109     for (it = sn_waits; it; it = g_slist_next(it)) {
 110         ObWaitData *d = it->data;
 111         if (!strcmp(id, sn_startup_sequence_get_id(d->seq))) {
 112             ret = d;
 113             break;
 114         }
 115     }
 116     return ret;
 117 }
 118
 119 gboolean sn_app_starting()
 120 {
 121     GSList *it;
 122
 123     for (it = sn_waits; it; it = g_slist_next(it)) {
 124         ObWaitData *d = it->data;
 125         if (d->feedback)
 126             return TRUE;
 127     }
 128     return FALSE;
 129 }
 130
 131 static gboolean sn_wait_timeout(gpointer data)
 132 {
 133     ObWaitData *d = data;
 134     d->feedback = FALSE;
 135     screen_set_root_cursor();
 136     return FALSE; /* don't repeat */
 137 }
 138
 139 static void sn_wait_destroy(gpointer data)
 140 {
 141     ObWaitData *d = data;
 142     sn_waits = g_slist_remove(sn_waits, d);
 143     wait_data_free(d);
 144 }
 145
 146 static void sn_handler(const XEvent *e, gpointer data)
 147 {
 148     XEvent ec;
 149     ec = *e;
 150     sn_display_process_event(sn_display, &ec);
 151 }
 152
 153 static void sn_event_func(SnMonitorEvent *ev, gpointer data)
 154 {
 155     SnStartupSequence *seq;
 156     gboolean change = FALSE;
 157     ObWaitData *d;
 158
 159     if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
 160         return;
 161
 162     switch (sn_monitor_event_get_type(ev)) {
 163     case SN_MONITOR_EVENT_INITIATED:
 164         d = wait_data_new(seq);
 165         sn_waits = g_slist_prepend(sn_waits, d);
 166         /* 30 second timeout for apps to start */
 167         ob_main_loop_timeout_add(ob_main_loop, 30 * G_USEC_PER_SEC,
 168                                  sn_wait_timeout, d, sn_wait_destroy);
 169         change = TRUE;
 170         break;
 171     case SN_MONITOR_EVENT_CHANGED:
 172         /* XXX feedback changed? */
 173         change = TRUE;
 174         break;
 175     case SN_MONITOR_EVENT_COMPLETED:
 176     case SN_MONITOR_EVENT_CANCELED:
 177         if ((d = wait_find(sn_startup_sequence_get_id(seq)))) {
 178             d->feedback = FALSE;
 179             ob_main_loop_timeout_remove_data(ob_main_loop, sn_wait_timeout, d);
 180             change = TRUE;
 181         }
 182         break;
 183     };
 184
 185     if (change)
 186         screen_set_root_cursor();
 187 }
 188
 189 void sn_app_started(gchar *wmclass)
 190 {
 191     GSList *it;
 192
 193     for (it = sn_waits; it; it = g_slist_next(it)) {
 194         ObWaitData *d = it->data;
 195         if (sn_startup_sequence_get_wmclass(d->seq) &&
 196             !strcmp(sn_startup_sequence_get_wmclass(d->seq), wmclass))
 197         {
 198             sn_startup_sequence_complete(d->seq);
 199             break;
 200         }
 201     }
 202 }
 203
 204 gboolean sn_get_desktop(gchar *id, guint *desktop)
 205 {
 206     ObWaitData *d;
 207
 208     if (id && (d = wait_find(id))) {
 209         gint desk = sn_startup_sequence_get_workspace(d->seq);
 210         if (desk != -1) {
 211             *desktop = desk;
 212             return TRUE;
 213         }
 214     }
 215     return FALSE;
 216 }
 217
 218 #endif