remove mixer applet (moved to mate-media package)

1 files changed, 0 insertions, 1494 deletions

diff --git a/mixer/applet.c b/mixer/applet.c
deleted file mode 100644
index 9ad53bb8..00000000
--- a/mixer/applet.c
+++ /dev/null
@@ -1,1494 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
-/* MATE Volume Applet
- * Copyright (C) 2004 Ronald Bultje <[email protected]>
- *
- * applet.c: the main applet
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-/* this is for lrint */
-#define _ISOC99_SOURCE
-#include <math.h>
-#include <string.h>
-
-#include <glib-object.h>
-#include <gdk/gdkkeysyms.h>
-
-#include <gtk/gtk.h>
-
-#include <gio/gio.h>
-
-#include "applet.h"
-#include "keys.h"
-#include "preferences.h"
-
-#define IS_PANEL_HORIZONTAL(o) \
-  (o == MATE_PANEL_APPLET_ORIENT_UP || o == MATE_PANEL_APPLET_ORIENT_DOWN)
-
-/* This is defined is load.c, we're doing this instead of creating a load.h file
- * because nothing else is exported. */
-GList * mate_volume_applet_create_mixer_collection (void);
-
-static void	mate_volume_applet_class_init	(MateVolumeAppletClass *klass);
-static void	mate_volume_applet_init	(MateVolumeApplet *applet);
-static void	mate_volume_applet_dispose	(GObject   *object);
-
-static void     mate_volume_applet_size_allocate (GtkWidget     *widget,
-						   GtkAllocation *allocation);
-
-static void	mate_volume_applet_popup_dock	(MateVolumeApplet *applet);
-static void	mate_volume_applet_popdown_dock (MateVolumeApplet *applet);
-
-/* This function and mate_volume_applet_key are not static so we can
- * inject external events into the applet. Its to work around a GTK+
- * misfeature. See dock.c for details. */
-gboolean	mate_volume_applet_scroll	(GtkWidget *widget,
-						 GdkEventScroll *event);
-static gboolean	mate_volume_applet_button	(GtkWidget *widget,
-						 GdkEventButton *event);
-gboolean	mate_volume_applet_key		(GtkWidget *widget,
-						 GdkEventKey *event);
-static gdouble  mate_volume_applet_get_volume  (GstMixer *mixer,
-						 GstMixerTrack *track);
-
-static void	mate_volume_applet_background	(MatePanelApplet *mate_panel_applet,
-						 MatePanelAppletBackgroundType type,
-						 GdkColor  *colour,
-						 GdkPixmap *pixmap);
-static void	mate_volume_applet_orientation	(MatePanelApplet *applet,
-						 MatePanelAppletOrient orient);
-
-static gboolean	mate_volume_applet_refresh	(MateVolumeApplet *applet,
-						 gboolean           force_refresh,
-						 gdouble            volume,
-						 gint               mute);
-
-static void     cb_notify_message (GstBus *bus, GstMessage *message, gpointer data);
-static gboolean	cb_check			(gpointer   data);
-
-static void	cb_volume			(GtkAdjustment *adj,
-						 gpointer   data);
-
-static void	cb_gsettings			(GSettings *settings,
-						 gchar           *key,
-						 gpointer         data);
-
-static void	cb_verb				(GtkAction *action,
-						 gpointer   data);
-
-static void	cb_theme_change                (GtkIconTheme *icon_theme,
-						gpointer      data);
-static void	cb_stop_scroll_events		(GtkWidget *widget,
-						 GdkEvent  *event);
-
-static MatePanelAppletClass *parent_class = NULL;
-
-
-G_DEFINE_TYPE (MateVolumeApplet, mate_volume_applet, PANEL_TYPE_APPLET)
-
-
-static void
-init_pixbufs (MateVolumeApplet *applet)
-{
-  static const gchar *pix_filenames[] = {
-    "audio-volume-muted",
-    "audio-volume-low",
-    "audio-volume-medium",
-    "audio-volume-high",
-    NULL
-  };
-  gint n;
-
-  for (n = 0; pix_filenames[n] != NULL; n++) {
-    if (applet->pix[n]) {
-      g_object_unref (applet->pix[n]);
-      applet->pix[n] = NULL; // mate_icon_theme_load_icon can call us
-                             // recursively, so we have to be careful.
-    }
-
-    applet->pix[n] = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
-					       pix_filenames[n],
-					       applet->panel_size - 4,
-					       0,
-					       NULL);
-    if (applet->pix[n] != NULL &&
-	gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL) {
-      GdkPixbuf *temp;
-
-      temp = gdk_pixbuf_flip (applet->pix[n], TRUE);
-      g_object_unref (G_OBJECT (applet->pix[n]));
-      applet->pix[n] = temp;
-    }
-  }
-}
-
-static void
-mate_volume_applet_class_init (MateVolumeAppletClass *klass)
-{
-  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-  GtkWidgetClass *gtkwidget_class = GTK_WIDGET_CLASS (klass);
-  MatePanelAppletClass *matepanelapplet_class = MATE_PANEL_APPLET_CLASS (klass);
-
-  parent_class = g_type_class_ref (PANEL_TYPE_APPLET);
-
-  gobject_class->dispose = mate_volume_applet_dispose;
-  gtkwidget_class->key_press_event = mate_volume_applet_key;
-  gtkwidget_class->button_press_event = mate_volume_applet_button;
-  gtkwidget_class->scroll_event = mate_volume_applet_scroll;
-  gtkwidget_class->size_allocate = mate_volume_applet_size_allocate;
-  matepanelapplet_class->change_orient = mate_volume_applet_orientation;
-  matepanelapplet_class->change_background = mate_volume_applet_background;
-
-  /* FIXME:
-   * - style-set.
-   */
-}
-
-static void
-mate_volume_applet_init (MateVolumeApplet *applet)
-{
-  GtkWidget *image;
-  AtkObject *ao;
-
-  applet->timeout = 0;
-  applet->elements = NULL;
-  applet->settings = mate_panel_applet_settings_new (MATE_PANEL_APPLET (applet), "org.mate.panel.applet.mixer");
-  applet->mixer = NULL;
-  applet->tracks = NULL;
-  applet->lock = FALSE;
-  applet->state = -1;
-  applet->prefs = NULL;
-  applet->dock = NULL;
-  applet->adjustment = NULL;
-  applet->panel_size = 24;
-
-  g_set_application_name (_("Volume Applet"));
-
-  /* init pixbufs */
-  init_pixbufs (applet);
-
-  /* icon (our main UI) */
-  image = gtk_image_new ();
-  applet->image = GTK_IMAGE (image);
-  gtk_container_add (GTK_CONTAINER (applet), image);
-  gtk_widget_show (image);
-  gtk_window_set_default_icon_name ("multimedia-volume-control");
-
-  /* dock window (expanded UI) */
-  applet->pop = FALSE;
-
-  /* tooltip over applet */
-  gtk_widget_set_tooltip_text (GTK_WIDGET (applet), _("Volume Control"));
-
-  /* prevent scroll events from reaching the tooltip */
-  g_signal_connect (G_OBJECT (applet),
-		    "event-after", G_CALLBACK (cb_stop_scroll_events),
-		    NULL);
-
-  /* handle icon theme changes */
-  g_signal_connect (gtk_icon_theme_get_default (),
-		    "changed", G_CALLBACK (cb_theme_change),
-		    applet);
-
-  /* other stuff */
-  mate_panel_applet_set_flags (MATE_PANEL_APPLET (applet),
-			  MATE_PANEL_APPLET_EXPAND_MINOR);
-
-  /* i18n */
-  ao = gtk_widget_get_accessible (GTK_WIDGET (applet));
-  atk_object_set_name (ao, _("Volume Control"));
-
-  /* Watch for signals from GST. */
-  applet->bus = gst_bus_new ();
-  gst_bus_add_signal_watch (applet->bus);
-  g_signal_connect (G_OBJECT (applet->bus), "message::element",
-		    (GCallback) cb_notify_message, applet);
-
-}
-
-/* Parse the list of tracks that are stored in GSettings */
-
-static char **
-parse_track_list (const char *track_list)
-{
-  if (track_list)
-    return g_strsplit (track_list, ":", 0);
-  else
-    return NULL;
-}
-
-static GList *
-select_tracks (GstElement *element,
-	      const char *active_track_names,
-	      gboolean    reset_state)
-{
-  const GList *tracks, *l;
-  GstMixerTrack *track_fallback;
-  GList *active_tracks;
-  char **active_track_name_list;
-
-  active_tracks = NULL;
-  track_fallback = NULL;
-  active_track_name_list = NULL;
-
-  if (reset_state) {
-    gst_element_set_state (element, GST_STATE_READY);
-    if (gst_element_get_state(element, NULL, NULL, -1) != GST_STATE_CHANGE_SUCCESS)
-      return NULL;
-  }
-
-  tracks = gst_mixer_list_tracks (GST_MIXER (element));
-  if (active_track_names)
-    active_track_name_list = parse_track_list (active_track_names);
-
-  for (l = tracks; l; l = l->next) {
-    GstMixerTrack *track = l->data;
-    gint i;
-
-    if (!track->num_channels)
-      continue;
-
-    if (!track_fallback)
-      track_fallback = track;
-
-    if (GST_MIXER_TRACK_HAS_FLAG (track, GST_MIXER_TRACK_MASTER))
-      track_fallback = track;
-
-    if (active_track_name_list) {
-      for (i = 0; active_track_name_list[i] != NULL; i++) {
-	gchar *track_test = active_track_name_list[i];
-
-	if (!strcmp (track_test, track->label))
-	  active_tracks = g_list_append (active_tracks, track);
-      }
-    }
-  }
-
-  /* if the list had no matches and we've got a fallback track,
-   * then use it. */
-
-  if (!active_tracks && track_fallback)
-    active_tracks = g_list_append (active_tracks, track_fallback);
-
-  if (!active_tracks && reset_state) {
-    gst_element_set_state (element, GST_STATE_NULL);
-  }
-
-  g_strfreev (active_track_name_list);
-  return active_tracks;
-}
-
-static gboolean
-select_element_and_track (MateVolumeApplet *applet,
-			  GList             *elements,
-			  const char        *active_element_name,
-			  const char        *active_track_names)
-{
-  GstElement *active_element;
-  GList *active_tracks, *l;
-
-  applet->elements = elements;
-
-  active_element = NULL;
-  active_tracks = NULL;
-
-  if (active_element_name) {
-    for (l = elements; l; l = l->next) {
-      GstElement *element = l->data;
-      const char *element_name;
-
-      element_name = g_object_get_data (G_OBJECT (element),
-				      "mate-volume-applet-name");
-
-      if (!strcmp (element_name, active_element_name)) {
-	active_element = element;
-	break;
-      }
-    }
-  }
-
-  if (active_element)
-    active_tracks = select_tracks (active_element, active_track_names, TRUE);
-
-  if (!active_tracks) {
-    active_element = NULL;
-    for (l = elements; l; l = l->next) {
-      GstElement *element = l->data;
-
-      if ((active_tracks = select_tracks (element, active_track_names, TRUE))) {
-	active_element = element;
-	break;
-      }
-    }
-  }
-
-  if (!active_element)
-    return FALSE;
-
-  applet->mixer = g_object_ref (active_element);
-  gst_element_set_bus (GST_ELEMENT (applet->mixer), applet->bus);
-  applet->tracks = active_tracks;
-  g_list_foreach (applet->tracks, (GFunc) g_object_ref, NULL);
-
-  return TRUE;
-}
-
-static void
-mate_volume_applet_setup_timeout (MateVolumeApplet *applet)
-{
-  gboolean need_timeout = TRUE;
-  need_timeout = ((gst_mixer_get_mixer_flags (GST_MIXER (applet->mixer)) &
-      GST_MIXER_FLAG_AUTO_NOTIFICATIONS) == 0);
-
-  if (need_timeout) {
-    if (applet->timeout == 0) {
-      applet->timeout = g_timeout_add (100, cb_check, applet);
-    }
-  }
-  else {
-    if (applet->timeout != 0) {
-      g_source_remove (applet->timeout);
-      applet->timeout = 0;
-    }
-  }
-}
-
-gboolean
-mate_volume_applet_setup (MateVolumeApplet *applet,
-			   GList *elements)
-{
-  GtkObject *adj;
-  static const GtkActionEntry actions[] = {
-    { "RunMixer", NULL, N_("_Open Volume Control"),
-      NULL, NULL,
-      G_CALLBACK (cb_verb) },
-    { "Help", GTK_STOCK_HELP, N_("_Help"),
-      NULL, NULL,
-      G_CALLBACK (cb_verb) },
-    { "About", GTK_STOCK_ABOUT, N_("_About"),
-      NULL, NULL,
-      G_CALLBACK (cb_verb) },
-    { "Pref", GTK_STOCK_PROPERTIES, N_("_Preferences"),
-      NULL, NULL,
-      G_CALLBACK (cb_verb) }
-  };
-  static const GtkToggleActionEntry toggle_actions[] = {
-    { "Mute", NULL, N_("Mu_te"),
-      NULL, NULL,
-      G_CALLBACK (cb_verb), FALSE }
-  };
-
-  gchar *active_element_name;
-  gchar *active_track_name;
-  gchar *ui_path;
-  GstMixerTrack *first_track;
-  gboolean res;
-
-  active_element_name = g_settings_get_string (applet->settings,
-						       MATE_VOLUME_APPLET_KEY_ACTIVE_ELEMENT);
-
-  active_track_name = g_settings_get_string (applet->settings,
-						     MATE_VOLUME_APPLET_KEY_ACTIVE_TRACK);
-
-  res = select_element_and_track (applet, elements, active_element_name,
-				  active_track_name);
-  g_free (active_element_name);
-  g_free (active_track_name);
-
-  if (res) {
-    first_track = g_list_first (applet->tracks)->data;
-
-    applet->adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (50, 0, 100,
-							     4, 10, 0));
-    /* We want a reference from the applet as well as from the dock it
-     * will be attached to. */
-    g_object_ref_sink (applet->adjustment);
-    g_signal_connect (applet->adjustment, "value-changed",
-		      G_CALLBACK (cb_volume), applet);
-
-    gtk_adjustment_set_value (applet->adjustment,
-			      mate_volume_applet_get_volume (applet->mixer,
-							      first_track));
-  }
-
-  mate_volume_applet_orientation (MATE_PANEL_APPLET (applet),
-				   mate_panel_applet_get_orient (MATE_PANEL_APPLET (applet)));
-
-  /* menu */
-  applet->action_group = gtk_action_group_new ("Mixer Applet Actions");
-  gtk_action_group_set_translation_domain (applet->action_group, GETTEXT_PACKAGE);
-  gtk_action_group_add_actions (applet->action_group,
-				actions,
-				G_N_ELEMENTS (actions),
-				applet);
-  gtk_action_group_add_toggle_actions (applet->action_group,
-				       toggle_actions,
-				       G_N_ELEMENTS (toggle_actions),
-				       applet);
-  ui_path = g_build_filename (MIXER_MENU_UI_DIR, "mixer-applet-menu.xml", NULL);
-  mate_panel_applet_setup_menu_from_file (MATE_PANEL_APPLET (applet),
-				     ui_path, applet->action_group);
-  g_free (ui_path);
-
-  mate_volume_applet_refresh (applet, TRUE, -1, -1);
-  if (res) {
-    mate_volume_applet_setup_timeout (applet);
-
-    /* gsettings */
-    g_signal_connect (applet->settings, "changed::" MATE_VOLUME_APPLET_KEY_ACTIVE_ELEMENT,
-			     G_CALLBACK (cb_gsettings), applet);
-    g_signal_connect (applet->settings, "changed::" MATE_VOLUME_APPLET_KEY_ACTIVE_TRACK,
-			     G_CALLBACK (cb_gsettings), applet);
-  }
-
-  gtk_widget_show (GTK_WIDGET (applet));
-
-  return TRUE;
-}
-
-static void
-mate_volume_applet_dispose (GObject *object)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (object);
-  gint n;
-
-  mate_volume_applet_popdown_dock (applet);
-
-  if (applet->action_group) {
-    g_object_unref (applet->action_group);
-    applet->action_group = NULL;
-  }
-
-  if (applet->elements) {
-    GList *item;
-
-    for (item = applet->elements; item != NULL; item = item->next) {
-      GstElement *element = GST_ELEMENT (item->data);
-
-      gst_element_set_state (element, GST_STATE_NULL);
-      gst_object_unref (GST_OBJECT (element));
-    }
-    g_list_free (applet->elements);
-    applet->elements = NULL;
-  }
-
-  if (applet->tracks) {
-    g_list_foreach (applet->tracks, (GFunc) g_object_unref, NULL);
-    g_list_free (applet->tracks);
-    applet->tracks = NULL;
-  }
-
-  if (applet->mixer) {
-    gst_object_unref (GST_OBJECT (applet->mixer));
-    applet->mixer = NULL;
-  }
-
-  if (applet->timeout) {
-    g_source_remove (applet->timeout);
-    applet->timeout = 0;
-  }
-
-  if (applet->dock) {
-    g_object_unref (applet->dock);
-    applet->dock = NULL;
-  }
-
-  if (applet->adjustment) {
-    g_object_unref (applet->adjustment);
-    applet->adjustment = NULL;
-  }
-
-  for (n = 0; n < 5; n++) {
-    if (applet->pix[n] != NULL) {
-      g_object_unref (G_OBJECT (applet->pix[n]));
-      applet->pix[n] = NULL;
-    }
-  }
-
-  if (applet->bus) {
-    gst_bus_remove_signal_watch (applet->bus);
-    gst_object_unref (applet->bus);
-    applet->bus = NULL;
-  }
-
-  G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-/*
- * Show a dialog (once) when no mixer is available.
- */
-
-static void
-show_no_mixer_dialog (MateVolumeApplet *applet)
-{
-  static gboolean shown = FALSE;
-  GtkWidget *dialog;
-
-  if (shown)
-    return;
-  shown = TRUE;
-
-  dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR,
-		GTK_BUTTONS_CLOSE, "%s\n\n%s",
-		_("The volume control did not find any elements and/or "
-		  "devices to control. This means either that you don't "
-		  "have the right GStreamer plugins installed, or that you "
-		  "don't have a sound card configured."),
-		_("You can remove the volume control from the panel by "
-		  "right-clicking the speaker icon on the panel and "
-		  "selecting \"Remove From Panel\" from the menu."));
-  gtk_widget_show (dialog);
-  g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
-}
-
-/*
- * get position that the dock should get based on applet position.
- */
-
-static void
-mate_volume_applet_get_dock_position (MateVolumeApplet *applet,
-				       gint *_x, gint *_y)
-{
-  GtkWidget *widget = GTK_WIDGET (applet);
-  GtkAllocation widget_allocation, dock_allocation;
-  gint x, y;
-
-  gtk_widget_get_allocation (GTK_WIDGET (applet->dock), &dock_allocation);
-  gtk_widget_get_allocation (widget, &widget_allocation);
-
-  gdk_window_get_origin (gtk_widget_get_window (widget), &x, &y);
-  switch (mate_panel_applet_get_orient (MATE_PANEL_APPLET (applet))) {
-    case MATE_PANEL_APPLET_ORIENT_DOWN:
-      x += widget_allocation.x;
-      x -= (dock_allocation.width -
-          widget_allocation.width) / 2;
-      y += widget_allocation.height + widget_allocation.y;
-      break;
-    case MATE_PANEL_APPLET_ORIENT_UP:
-      x += widget_allocation.x;
-      x -= (dock_allocation.width -
-          widget_allocation.width) / 2;
-      y += widget_allocation.y;
-      y -= dock_allocation.height;
-      break;
-    case MATE_PANEL_APPLET_ORIENT_RIGHT:
-      x += widget_allocation.width + widget_allocation.x;
-      y += widget_allocation.y;
-      y -= (dock_allocation.height -
-          widget_allocation.height) / 2;
-      break;
-    case MATE_PANEL_APPLET_ORIENT_LEFT:
-      x += widget_allocation.x;
-      x -= dock_allocation.width;
-      y += widget_allocation.y;
-      y -= (dock_allocation.height -
-          widget_allocation.height) / 2;
-      break;
-    default:
-      g_assert_not_reached ();
-  }
-
-  *_x = x;
-  *_y = y;
-}
-
-/*
- * popup (show) or popdown (hide) the dock.
- */
-
-static void
-mate_volume_applet_popup_dock (MateVolumeApplet *applet)
-{
-  GtkWidget *widget = GTK_WIDGET (applet);
-  gint x, y;
-
-  /* Get it in just about the right position so that it
-   * doesn't flicker to obviously when we reposition it. */
-  mate_volume_applet_get_dock_position (applet, &x, &y);
-  gtk_window_move (GTK_WINDOW (applet->dock), x, y);
-
-  gtk_widget_show_all (GTK_WIDGET (applet->dock));
-
-  /* Reposition the window now that we know its actual size
-   * and can center it. */
-  mate_volume_applet_get_dock_position (applet, &x, &y);
-  gtk_window_move (GTK_WINDOW (applet->dock), x, y);
-
-  /* Set the keyboard focus in the correct place. */
-  mate_volume_applet_dock_set_focus (applet->dock);
-
-  /* set menu item as active */
-  gtk_widget_set_state (GTK_WIDGET (applet), GTK_STATE_SELECTED);
-
-  /* keep state */
-  applet->pop = TRUE;
-}
-
-static void
-mate_volume_applet_popdown_dock (MateVolumeApplet *applet)
-{
-  GtkWidget *widget = GTK_WIDGET (applet);
-
-  if (!applet->pop)
-    return;
-
-  /* hide */
-  gtk_widget_hide_all (GTK_WIDGET (applet->dock));
-
-  /* set menu item as active */
-  gtk_widget_set_state (GTK_WIDGET (applet), GTK_STATE_NORMAL);
-
-  /* keep state */
-  applet->pop = FALSE;
-}
-
-static void
-mate_volume_applet_pop_dock (MateVolumeApplet *applet)
-{
-  if (applet->pop) {
-    mate_volume_applet_popdown_dock (applet);
-  } else {
-    mate_volume_applet_popup_dock (applet);
-  }
-}
-
-static void
-mate_volume_applet_update_mute_action (MateVolumeApplet *applet,
-					gboolean           newmute)
-{
-  GtkAction *action;
-
-  if (!applet->action_group)
-    return;
-
-  action = gtk_action_group_get_action (applet->action_group, "Mute");
-  if (newmute == gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)))
-    return;
-
-  gtk_action_block_activate (action);
-  gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), newmute);
-  gtk_action_unblock_activate (action);
-}
-
-gboolean
-mixer_is_muted (MateVolumeApplet *applet)
-{
-  return applet->state & 1;
-}
-
-/*
- * Toggle mute.
- */
-
-void
-mate_volume_applet_toggle_mute (MateVolumeApplet *applet)
-{
-  gboolean mute = mixer_is_muted (applet);
-  gboolean newmute = !mute;
-  GList *tracks;
-
-  for (tracks = g_list_first (applet->tracks); tracks; tracks = tracks->next)
-    gst_mixer_set_mute (applet->mixer, tracks->data, !mute);
-
-  if (mute) {
-    /* sync back actual volume */
-    cb_volume (applet->adjustment, applet);
-  }
-
-  /* update menu */
-  mate_volume_applet_update_mute_action (applet, newmute);
-
-  /* update graphic - this should happen automagically after the next
-   * idle call, but apparently doesn't for some people... */
-  mate_volume_applet_refresh (applet, TRUE, -1, newmute);
-}
-
-/*
- * Run g-v-c.
- */
-
-void
-mate_volume_applet_run_mixer (MateVolumeApplet *applet)
-{
-  GError *error = NULL;
-
-  gdk_spawn_command_line_on_screen (gtk_widget_get_screen (GTK_WIDGET (applet)),
-				    "mate-volume-control", &error);
-
-  if (error) {
-    GtkWidget *dialog;
-
-    dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR,
-				     GTK_BUTTONS_CLOSE,
-				     _("Failed to start Volume Control: %s"),
-				     error->message);
-    g_signal_connect (dialog, "response",
-		      G_CALLBACK (gtk_widget_destroy), NULL);
-    gtk_widget_show (dialog);
-    g_error_free (error);
-  }
-}
-
-/*
- * Control events, change volume and so on.
- */
-
-/* This is not static so we can inject external events
- * into the applet. Its to work around a GTK+ misfeature. See dock.c
- * for details. */
-
-gboolean
-mate_volume_applet_scroll (GtkWidget      *widget,
-			    GdkEventScroll *event)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (widget);
-
-  if (!applet->mixer) {
-    show_no_mixer_dialog (applet);
-    return TRUE;
-  }
-
-  if (event->type == GDK_SCROLL) {
-    switch (event->direction) {
-      case GDK_SCROLL_UP:
-      case GDK_SCROLL_DOWN: {
-        gdouble volume = gtk_adjustment_get_value (applet->adjustment);
-
-        if (event->direction == GDK_SCROLL_UP) {
-          volume += gtk_adjustment_get_step_increment (applet->adjustment);
-          if (volume > gtk_adjustment_get_upper (applet->adjustment))
-            volume = gtk_adjustment_get_upper (applet->adjustment);
-        } else {
-          volume -= gtk_adjustment_get_step_increment (applet->adjustment);
-          if (volume < gtk_adjustment_get_lower (applet->adjustment))
-            volume = gtk_adjustment_get_lower (applet->adjustment);
-        }
-
-        gtk_adjustment_set_value (applet->adjustment, volume);
-        return TRUE;
-      }
-      default:
-        break;
-    }
-  }
-
-  if (GTK_WIDGET_CLASS (parent_class)->scroll_event)
-    return GTK_WIDGET_CLASS (parent_class)->scroll_event (widget, event);
-  else
-    return FALSE;
-}
-
-static gboolean
-mate_volume_applet_button (GtkWidget      *widget,
-			    GdkEventButton *event)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (widget);
-
-  if (event->window != gtk_widget_get_window (GTK_WIDGET (applet)) &&
-      event->type == GDK_BUTTON_PRESS) {
-    mate_volume_applet_popdown_dock (applet);
-    return TRUE;
-  } else if (event->window == gtk_widget_get_window (GTK_WIDGET (applet))) {
-    switch (event->button) {
-      case 1:
-        switch (event->type) {
-          case GDK_BUTTON_PRESS:
-            if (!applet->mixer) {
-              show_no_mixer_dialog (applet);
-            } else {
-              mate_volume_applet_pop_dock (applet);
-            }
-            return TRUE;
-          case GDK_2BUTTON_PRESS:
-            if (applet->mixer) {
-              mate_volume_applet_popdown_dock (applet);
-            }
-            mate_volume_applet_toggle_mute (applet);
-            return TRUE;
-          default:
-            break;
-        }
-        break;
-      case 2: /* move */
-      case 3: /* menu */
-        if (applet->pop) {
-          mate_volume_applet_popdown_dock (applet);
-          return TRUE;
-        }
-        break;
-      default:
-        break;
-    }
-  }
-
-  if (GTK_WIDGET_CLASS (parent_class)->button_press_event)
-    return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
-
-  return FALSE;
-}
-
-/* This is not static so we can inject external events
- * into the applet. Its to work around a GTK+ misfeature. See dock.c
- * for details. */
-
-gboolean
-mate_volume_applet_key (GtkWidget   *widget,
-			 GdkEventKey *event)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (widget);
-
-  if (!applet->mixer) {
-    show_no_mixer_dialog (applet);
-  } else switch (event->keyval) {
-    case GDK_KP_Enter:
-    case GDK_ISO_Enter:
-    case GDK_3270_Enter:
-    case GDK_Return:
-    case GDK_space:
-    case GDK_KP_Space:
-      mate_volume_applet_pop_dock (applet);
-      return TRUE;
-    case GDK_m:
-      if (event->state == GDK_CONTROL_MASK) {
-        mate_volume_applet_toggle_mute (applet);
-        return TRUE;
-      }
-      break;
-    case GDK_o:
-      if (event->state == GDK_CONTROL_MASK) {
-        mate_volume_applet_run_mixer (applet);
-        return TRUE;
-      }
-      break;
-    case GDK_Escape:
-      mate_volume_applet_popdown_dock (applet);
-      return TRUE;
-    case GDK_Page_Up:
-    case GDK_Page_Down:
-    case GDK_Left:
-    case GDK_Right:
-    case GDK_Up:
-    case GDK_Down: {
-      gdouble volume = gtk_adjustment_get_value (applet->adjustment);
-      gdouble increment;
-
-      if (event->state != 0)
-        break;
-
-      if (event->keyval == GDK_Up || event->keyval == GDK_Down
-         ||event->keyval == GDK_Left)
-        increment = gtk_adjustment_get_step_increment (applet->adjustment);
-      else
-        increment = gtk_adjustment_get_page_increment (applet->adjustment);
-
-      if (event->keyval == GDK_Page_Up || event->keyval == GDK_Up
-         ||event->keyval == GDK_Right) {
-        volume += increment;
-        if (volume > gtk_adjustment_get_upper (applet->adjustment))
-          volume = gtk_adjustment_get_upper (applet->adjustment);
-      } else {
-        volume -= increment;
-        if (volume < gtk_adjustment_get_lower (applet->adjustment))
-          volume = gtk_adjustment_get_lower (applet->adjustment);
-      }
-
-      gtk_adjustment_set_value (applet->adjustment, volume);
-      return TRUE;
-    }
-    default:
-      break;
-  }
-
-  return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
-}
-
-static gboolean
-mate_volume_applet_dock_focus_out (GtkWidget *dock, GdkEventFocus *event,
-				    MateVolumeApplet *applet)
-{
-  mate_volume_applet_popdown_dock (applet);
-
-  return FALSE;
-}
-
-/*
- * Change orientation or size of panel.
- */
-
-static void
-mate_volume_applet_orientation	(MatePanelApplet *_applet,
-				 MatePanelAppletOrient orientation)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (_applet);
-  GtkWidget *dock;
-
-  if (applet->dock) {
-    gtk_widget_destroy (GTK_WIDGET (applet->dock));
-  }
-  dock = mate_volume_applet_dock_new (GTK_ORIENTATION_VERTICAL,
-				       applet);
-  g_object_ref_sink (dock); /* It isn't a child, but we do own it. */
-  gtk_widget_add_events (dock, GDK_FOCUS_CHANGE_MASK);
-  g_signal_connect (G_OBJECT (dock), "focus-out-event",
-		    G_CALLBACK (mate_volume_applet_dock_focus_out),
-		    applet);
-  applet->dock = MATE_VOLUME_APPLET_DOCK (dock);
-  mate_volume_applet_dock_change (applet->dock, applet->adjustment);
-
-  if (MATE_PANEL_APPLET_CLASS (parent_class)->change_orient)
-    MATE_PANEL_APPLET_CLASS (parent_class)->change_orient (_applet, orientation);
-}
-
-void mate_volume_applet_size_allocate (GtkWidget     *widget,
-					GtkAllocation *allocation)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (widget);
-  MatePanelAppletOrient orient;
-
-  if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
-    GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
-
-  orient = mate_panel_applet_get_orient (MATE_PANEL_APPLET (applet));
-
-  if (orient == MATE_PANEL_APPLET_ORIENT_UP || orient == MATE_PANEL_APPLET_ORIENT_DOWN) {
-    if (applet->panel_size == allocation->height)
-      return;
-    applet->panel_size = allocation->height;
-  }
-  else {
-    if (applet->panel_size == allocation->width)
-      return;
-    applet->panel_size = allocation->width;
-  }
-
-  init_pixbufs (applet);
-  mate_volume_applet_refresh (applet, TRUE, -1, -1);
-}
-
-static void
-mate_volume_applet_background (MatePanelApplet *_applet,
-				MatePanelAppletBackgroundType type,
-				GdkColor  *colour,
-				GdkPixmap *pixmap)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (_applet);
-  GtkRcStyle *rc_style;
-  GtkStyle *style;
-
-  /* reset style */
-  gtk_widget_set_style (GTK_WIDGET (applet), NULL);
-  rc_style = gtk_rc_style_new ();
-  gtk_widget_modify_style (GTK_WIDGET (applet), rc_style);
-  g_object_unref (rc_style);
-
-  switch (type) {
-    case PANEL_NO_BACKGROUND:
-      break;
-    case PANEL_COLOR_BACKGROUND:
-      gtk_widget_modify_bg (GTK_WIDGET (applet),
-			    GTK_STATE_NORMAL, colour);
-      break;
-    case PANEL_PIXMAP_BACKGROUND:
-      style = gtk_style_copy (gtk_widget_get_style (GTK_WIDGET (applet)));
-      if (style->bg_pixmap[GTK_STATE_NORMAL])
-        g_object_unref (style->bg_pixmap[GTK_STATE_NORMAL]);
-      style->bg_pixmap[GTK_STATE_NORMAL] = g_object_ref (pixmap);
-      gtk_widget_set_style (GTK_WIDGET (applet), style);
-      g_object_unref (style);
-      break;
-  }
-}
-
-/*
- * This needs to be here because not all tracks have the same volume range,
- * so you can send this function the track and a new volume and it will be
- * scaled according to the volume range of the track in question.
- */
-
-void
-mate_volume_applet_adjust_volume (GstMixer *mixer,
-				   GstMixerTrack *track,
-				   gdouble volume)
-{
-  int range = track->max_volume - track->min_volume;
-  gdouble scale = ((gdouble) range) / 100;
-  int *volumes, n, volint;
-
-  if (volume == 1.0) {
-    volint = track->max_volume;
-  } else if (volume == 0.0) {
-    volint = track->min_volume;
-  } else {
-    volume *= scale;
-    volume += track->min_volume;
-    volint = lrint (volume);
-  }
-
-  volumes = g_new (gint, track->num_channels);
-  for (n = 0; n < track->num_channels; n++)
-    volumes[n] = volint;
-  gst_mixer_set_volume (mixer, track, volumes);
-
-  g_free (volumes);
-}
-
-static gdouble
-mate_volume_applet_get_volume (GstMixer *mixer,
-				GstMixerTrack *track)
-{
-  int *volumes, n;
-  gdouble j;
-
-  if (!track || !mixer)
-    return -1;
-
-  volumes = g_new (gint, track->num_channels);
-  gst_mixer_get_volume (mixer, track, volumes);
-
-  j = 0;
-  for (n = 0; n < track->num_channels; n++)
-    j += volumes[n];
-  g_free (volumes);
-  j /= track->num_channels;
-
-  return 100 * (j - track->min_volume) / (track->max_volume - track->min_volume);
-}
-
-/*
- * Volume changed.
- */
-
-static void
-cb_volume (GtkAdjustment *adj,
-	   gpointer data)
-{
-  MateVolumeApplet *applet = data;
-  gdouble v;
-  GList *iter;
-
-  if (applet->lock)
-    return;
-  applet->lock = TRUE;
-
-  v = gtk_adjustment_get_value (adj);
-
-  for (iter = g_list_first (applet->tracks); iter; iter = iter->next) {
-    GstMixerTrack *track = iter->data;
-    mate_volume_applet_adjust_volume (applet->mixer, track, v);
-  }
-
-  applet->lock = FALSE;
-  applet->force_next_update = TRUE;
-  mate_volume_applet_refresh (MATE_VOLUME_APPLET (data), FALSE, v, -1);
-}
-
-/*
- * Automatic timer. Check for changes.
- */
-
-#define STATE(vol,m) (((gint) vol << 1) | (m ? 1 : 0))
-
-static gboolean
-mate_volume_applet_refresh (MateVolumeApplet *applet,
-			     gboolean           force_refresh,
-			     gdouble            volume,
-			     gint               mute)
-{
-  GdkPixbuf *pixbuf;
-  gint n;
-  gboolean show_mute, did_change;
-  gchar *tooltip_str;
-  GstMixerTrack *first_track;
-  GString *track_names;
-  GList *iter;
-
-  show_mute = 0;
-
-  if (!applet->mixer) {
-    n = 0;
-    show_mute = 0;
-    mute = 0;
-  } else if (!applet->tracks) {
-    return FALSE;
-  } else {
-    first_track = g_list_first (applet->tracks)->data;
-    if (volume == -1) {
-      /* only first track */
-      volume = mate_volume_applet_get_volume (applet->mixer, first_track);
-    }
-    if (mute == -1) {
-      mute = GST_MIXER_TRACK_HAS_FLAG (first_track,
-				       GST_MIXER_TRACK_MUTE) ? 1 : 0;
-    }
-    if (volume <= 0 || mute) {
-	show_mute = 1;
-	n = 0;
-    }
-    else {
-      /* select image */
-      n = 3 * volume / 100 + 1;
-      if (n < 1)
-	n = 1;
-      if (n > 3)
-	n = 3;
-    }
-  }
-
-  did_change = (force_refresh || (STATE (volume, mute) != applet->state) ||
-      applet->force_next_update);
-  applet->force_next_update = FALSE;
-
-  if (did_change) {
-    if (show_mute) {
-      pixbuf = applet->pix[0];
-    } else {
-      pixbuf = applet->pix[n];
-    }
-
-    gtk_image_set_from_pixbuf (applet->image, pixbuf);
-    applet->state = STATE (volume, mute);
-
-    if (applet->dock) {
-      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (applet->dock->mute),
-				    mute);
-    }
-  }
-
-  if (!did_change || !applet->mixer)
-    return did_change;
-
-  /* build names of selecter tracks */
-  track_names = g_string_new ("");
-  for (iter = g_list_first (applet->tracks); iter; iter = iter->next) {
-    GstMixerTrack *track = iter->data;
-
-    if (iter->next != NULL)
-      g_string_append_printf (track_names, "%s / ", track->label);
-    else
-      track_names = g_string_append (track_names, track->label);
-  }
-
-  if (show_mute) {
-    tooltip_str = g_strdup_printf (_("%s: muted"), track_names->str);
-  } else {
-    /* Translator comment: I'm not all too sure if this makes sense
-     * to mark as a translation, but anyway. The string is a list of
-     * selected tracks, the number is the volume in percent. You
-     * most likely want to keep this as-is. */
-    tooltip_str = g_strdup_printf (_("%s: %d%%"), track_names->str,
-        (int) volume);
-  }
-  g_string_free (track_names, TRUE);
-
-  gtk_widget_set_tooltip_text (GTK_WIDGET (applet), tooltip_str);
-  g_free (tooltip_str);
-
-  applet->lock = TRUE;
-  if (volume != 0) {
-    gtk_adjustment_set_value (applet->adjustment, volume);
-  }
-  applet->lock = FALSE;
-
-  /* update mute status */
-  mate_volume_applet_update_mute_action (applet, mute);
-
-  return did_change;
-}
-
-static void
-cb_notify_message (GstBus *bus, GstMessage *message, gpointer data)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (data);
-  GstMixerMessageType type;
-  GstMixerTrack *first_track;
-  GstMixerTrack *track = NULL;
-  gint mute;
-  gdouble volume;
-
-  if (applet->tracks == NULL ||
-      GST_MESSAGE_SRC (message) != GST_OBJECT (applet->mixer)) {
-    /* No tracks, or not from our mixer - can't update anything anyway */
-    return;
-  }
-
-  volume = mute = -1;
-
-  first_track = g_list_first (applet->tracks)->data;
-
-  /* This code only calls refresh if the first_track changes, because the
-   * refresh code only retrieves the current value from that track anyway */
-  type = gst_mixer_message_get_type (message);
-  if (type == GST_MIXER_MESSAGE_MUTE_TOGGLED) {
-    gboolean muted;
-    gst_mixer_message_parse_mute_toggled (message, &track, &muted);
-    mute = muted ? 1 : 0;
-  }
-  else if (type == GST_MIXER_MESSAGE_VOLUME_CHANGED) {
-    gint n, num_channels, *vols;
-    volume = 0.0;
-
-    gst_mixer_message_parse_volume_changed (message, &track, &vols, &num_channels);
-    for (n = 0; n < num_channels; n++)
-      volume += vols[n];
-    volume /= track->num_channels;
-    volume = 100 * volume / (track->max_volume - track->min_volume);
-  } else
-  {
-    return;
-  }
-
-  if (first_track == track)
-    mate_volume_applet_refresh (MATE_VOLUME_APPLET (data), FALSE, volume, mute);
-}
-
-static gboolean
-cb_check (gpointer data)
-{
-  static int      time_counter  = -1;
-  static int      timeout       = 15;
-  static gboolean recent_change = FALSE;
-  gboolean        did_change;
-
-  time_counter++;
-
-  /*
-   * This timeout is called 10 times per second.  Only do the update every
-   * 15 times this function is called (every 1.5 seconds), unless the value
-   * actually changed.
-   */
-  if (time_counter % timeout == 0 || recent_change) {
-     did_change = mate_volume_applet_refresh (MATE_VOLUME_APPLET (data),
-                                               FALSE, -1, -1);
-
-     /*
-      * If a change was done, set recent_change so that the update is
-      * done 10 times a second for 10 seconds and reset the counter to 0.
-      * This way we update frequently for 10 seconds after the last time
-      * the value is actually changed.
-      */
-     if (did_change) {
-        recent_change = TRUE;
-        time_counter = 0;
-        timeout      = 100;
-     } else if (time_counter % timeout == 0) {
-        /*
-         * When the counter gets to the timeout, reset recent_change and
-         * time_counter so we go back to the behavior where we only check
-         * every 15 times the function is called.
-         */
-        recent_change = FALSE;
-        time_counter  = 0;
-        timeout       = 15;
-     }
-  }
-
-  return TRUE;
-}
-
-/*
- * GSettings callback.
- */
-
-static void
-cb_gsettings (GSettings *settings, gchar *key, gpointer data)
-{
-  MateVolumeApplet *applet = data;
-  const gchar *str;
-  const GList *item;
-  gboolean newdevice = FALSE;
-  GList *active_tracks;
-
-  active_tracks = NULL;
-
-  g_list_free(applet->elements);
-  applet->elements = mate_volume_applet_create_mixer_collection ();
-
-    if (!strcmp (key, MATE_VOLUME_APPLET_KEY_ACTIVE_ELEMENT)) {
-      for (item = applet->elements; item != NULL; item = item->next) {
-        gchar *cur_el_str = g_object_get_data (item->data,
-					       "mate-volume-applet-name");
-
-        if (!strcmp (cur_el_str, str)) {
-          GstElement *old_element = GST_ELEMENT (applet->mixer),
-		     *new_element = item->data;
-
-          if (new_element != old_element) {
-            /* change element */
-            gst_element_set_state (item->data, GST_STATE_READY);
-            if (gst_element_get_state (item->data, NULL, NULL, -1) != GST_STATE_CHANGE_SUCCESS)
-              continue;
-
-            /* save */
-            gst_object_replace ((GstObject **) &applet->mixer, item->data);
-            gst_element_set_state (old_element, GST_STATE_NULL);
-	    mate_volume_applet_setup_timeout (applet);
-            newdevice = TRUE;
-          }
-          break;
-        }
-      }
-    }
-
-    if (!strcmp (key, MATE_VOLUME_APPLET_KEY_ACTIVE_TRACK) || newdevice) {
-      if (!active_tracks) {
-        active_tracks = select_tracks (GST_ELEMENT (applet->mixer), str, FALSE);
-      }
-
-      if (active_tracks) {
-	GstMixerTrack *first_track;
-
-	/* copy the newly created track list over to the main list */
-	g_list_free (applet->tracks);
-	applet->tracks = g_list_copy (active_tracks);
-
-	first_track = g_list_first (active_tracks)->data;
-
-        /* dock */
-	gtk_adjustment_set_value (applet->adjustment,
-				  mate_volume_applet_get_volume (applet->mixer,
-								  first_track));
-
-        /* if preferences window is open, update */
-	if (applet->prefs) {
-          mate_volume_applet_preferences_change (
-	      MATE_VOLUME_APPLET_PREFERENCES (applet->prefs),
-	      applet->mixer, applet->tracks);
-	}
-
-        applet->force_next_update = TRUE;
-      }
-    }
-}
-
-/*
- * verb callback.
- */
-
-static void
-cb_prefs_destroy (GtkWidget *widget,
-		  gpointer   data)
-{
-  MATE_VOLUME_APPLET (data)->prefs = NULL;
-}
-
-static void
-cb_verb (GtkAction   *action,
-	 gpointer     data)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (data);
-  const gchar       *verbname = gtk_action_get_name (action);
-
-  if (!strcmp (verbname, "RunMixer")) {
-    mate_volume_applet_run_mixer (applet);
-  } else if (!strcmp (verbname, "Help")) {
-    GError *error = NULL;
-
-    gtk_show_uri (gtk_widget_get_screen (GTK_WIDGET (applet)),
-		  "ghelp:mixer_applet2",
-		  gtk_get_current_event_time (),
-		  &error);
-
-    if (error) {
-      GtkWidget *dialog;
-
-      dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR,
-				       GTK_BUTTONS_CLOSE,
-				       _("Failed to display help: %s"),
-				       error->message);
-      g_signal_connect (dialog, "response",
-			G_CALLBACK (gtk_widget_destroy), NULL);
-      gtk_widget_show (dialog);
-      g_error_free (error);
-    }
-  } else if (!strcmp (verbname, "About")) {
-
-    const gchar *authors[] = { "Ronald Bultje <[email protected]>",
-			     NULL };
-
-    char *comments = g_strdup_printf ("%s\n\n%s",
-		    _("Volume control for your MATE Panel."),
-		    _("Using GStreamer 0.10.")
-		    );
-
-    gtk_show_about_dialog (NULL,
-		"version",	VERSION,
-		"copyright",	"\xC2\xA9 2004 Ronald Bultje",
-		"comments",	comments,
-		"authors",	authors,
-		"translator-credits",	_("translator-credits"),
-		"logo-icon-name",	"multimedia-volume-control",
-		NULL);
-
-    g_free (comments);
-
-  } else if (!strcmp (verbname, "Pref")) {
-    if (!applet->mixer) {
-      show_no_mixer_dialog (applet);
-    } else {
-      if (applet->prefs)
-        return;
-
-      g_list_free(applet->elements);
-      applet->elements = mate_volume_applet_create_mixer_collection ();
-
-      applet->prefs = mate_volume_applet_preferences_new (applet,
-							   applet->elements,
-							   applet->mixer,
-							   applet->tracks);
-      g_signal_connect (applet->prefs, "destroy",
-		        G_CALLBACK (cb_prefs_destroy), applet);
-      gtk_widget_show (applet->prefs);
-    }
-  } else if (!strcmp (verbname, "Mute")) {
-    if (!applet->mixer) {
-      show_no_mixer_dialog (applet);
-    } else {
-      gboolean mute = applet->state & 1,
-	       want_mute = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
-      if (mute != want_mute)
-	mate_volume_applet_toggle_mute (applet);
-    }
-  } else {
-    g_warning ("Unknown menu action '%s'", verbname);
-  }
-}
-
-static void
-cb_theme_change (GtkIconTheme *icon_theme,
-		 gpointer data)
-{
-  MateVolumeApplet *applet = MATE_VOLUME_APPLET (data);
-
-  init_pixbufs (applet);
-  mate_volume_applet_refresh (applet, TRUE, -1, -1);
-}
-
-/*
- * Block the tooltips event-after handler on scroll events.
- */
-
-static void
-cb_stop_scroll_events (GtkWidget *widget,
-		       GdkEvent  *event)
-{
-  if (event->type == GDK_SCROLL)
-    g_signal_stop_emission_by_name (widget, "event-after");
-}