[Xfce4-commits] <xfce4-mixer:gber/improvements> Cleanup

Guido Berhoerster noreply at xfce.org
Fri Sep 21 17:18:35 CEST 2012


Updating branch refs/heads/gber/improvements
         to 3188fdb09b84ef7fcea91c1a82293f1a147db425 (commit)
       from 504d1ac40d5dfc393510d9979f2df8761017a1ae (commit)

commit 3188fdb09b84ef7fcea91c1a82293f1a147db425
Author: Guido Berhoerster <guido+xfce at berhoerster.name>
Date:   Fri Sep 21 12:00:36 2012 +0200

    Cleanup
    
    Remove toggle_action_entries empty array which is invalid C.
    Remove incorrect semicolon from G_BEGIN_DECLS/G_END_DECLS macros.
    Properly chain up the constructed virtual method in XfceMixer.
    Use enums instead of macros for columns which show up in debuggers.
    Use G_DEFINE_TYPE macro.
    Renamed XfceMixer to XfceMixerContainer to solve namespace clash with
    libxfce4mixer.
    Use correct type for the handler id of
    g_signal_handler_connect/g_signal_handler_disconnect in
    xfce_mixer_bus_connect/xfce_mixer_bus_disconnect.
    Rename _xfce_mixer_bus_message parameter in order not to shadow a global
    variable.
    
    --HG--
    rename : xfce4-mixer/xfce-mixer.c => xfce4-mixer/xfce-mixer-container.c
    rename : xfce4-mixer/xfce-mixer.h => xfce4-mixer/xfce-mixer-container.h

 libxfce4mixer/libxfce4mixer.c                      |    6 +-
 libxfce4mixer/libxfce4mixer.h                      |    8 +-
 libxfce4mixer/xfce-mixer-card-combo.c              |   45 +----
 libxfce4mixer/xfce-mixer-card-combo.h              |    4 +-
 libxfce4mixer/xfce-mixer-preferences.c             |   36 +---
 libxfce4mixer/xfce-mixer-preferences.h             |    4 +-
 libxfce4mixer/xfce-mixer-track-combo.c             |   47 +----
 libxfce4mixer/xfce-mixer-track-combo.h             |    4 +-
 libxfce4mixer/xfce-mixer-track-type.h              |    4 +-
 panel-plugin/xfce-mixer-plugin.c                   |    2 +-
 panel-plugin/xfce-mixer-plugin.h                   |    4 +-
 panel-plugin/xfce-plugin-dialog.c                  |   36 +---
 panel-plugin/xfce-plugin-dialog.h                  |    4 +-
 panel-plugin/xfce-volume-button.c                  |   38 +---
 panel-plugin/xfce-volume-button.h                  |    4 +-
 xfce4-mixer/Makefile.am                            |    4 +-
 .../{xfce-mixer.c => xfce-mixer-container.c}       |  226 +++++++++-----------
 xfce4-mixer/xfce-mixer-container.h                 |   47 ++++
 xfce4-mixer/xfce-mixer-controls-dialog.c           |   45 +----
 xfce4-mixer/xfce-mixer-controls-dialog.h           |    4 +-
 xfce4-mixer/xfce-mixer-option.c                    |   43 +----
 xfce4-mixer/xfce-mixer-option.h                    |    4 +-
 xfce4-mixer/xfce-mixer-switch.c                    |   36 +---
 xfce4-mixer/xfce-mixer-switch.h                    |    4 +-
 xfce4-mixer/xfce-mixer-track.c                     |   36 +---
 xfce4-mixer/xfce-mixer-track.h                     |    4 +-
 xfce4-mixer/xfce-mixer-window.c                    |   61 +-----
 xfce4-mixer/xfce-mixer-window.h                    |    4 +-
 xfce4-mixer/xfce-mixer.h                           |   47 ----
 29 files changed, 222 insertions(+), 589 deletions(-)

diff --git a/libxfce4mixer/libxfce4mixer.c b/libxfce4mixer/libxfce4mixer.c
index 244196c..26683b8 100644
--- a/libxfce4mixer/libxfce4mixer.c
+++ b/libxfce4mixer/libxfce4mixer.c
@@ -355,7 +355,7 @@ xfce_mixer_get_track_label (GstMixerTrack *track)
 
 
 
-guint
+gulong
 xfce_mixer_bus_connect (GCallback callback,
                         gpointer  user_data)
 {
@@ -366,7 +366,7 @@ xfce_mixer_bus_connect (GCallback callback,
 
 
 void
-xfce_mixer_bus_disconnect (guint signal_handler_id)
+xfce_mixer_bus_disconnect (gulong signal_handler_id)
 {
   g_return_if_fail (refcount > 0);
 
@@ -514,7 +514,7 @@ _xfce_mixer_destroy_mixer (GstMixer *mixer)
 
 
 static void
-_xfce_mixer_bus_message (GstBus     *bus,
+_xfce_mixer_bus_message (GstBus     *bus_,
                          GstMessage *message,
                          gpointer    user_data)
 {
diff --git a/libxfce4mixer/libxfce4mixer.h b/libxfce4mixer/libxfce4mixer.h
index 59b7a1e..ad74ba0 100644
--- a/libxfce4mixer/libxfce4mixer.h
+++ b/libxfce4mixer/libxfce4mixer.h
@@ -36,7 +36,7 @@
 
 #define XFCE_MIXER_TYPE_VALUE_ARRAY (xfce_mixer_value_array_get_type ())
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 void           xfce_mixer_init                   (void);
 void           xfce_mixer_shutdown               (void);
@@ -52,15 +52,15 @@ GstMixerTrack *xfce_mixer_get_track              (GstElement    *card,
 GstMixerTrack *xfce_mixer_get_default_track      (GstElement    *card);
 GList         *xfce_mixer_get_default_track_list (GstElement    *card);
 const gchar   *xfce_mixer_get_track_label        (GstMixerTrack *track);
-guint          xfce_mixer_bus_connect            (GCallback      callback,
+gulong         xfce_mixer_bus_connect            (GCallback      callback,
                                                   gpointer       user_data);
-void           xfce_mixer_bus_disconnect         (guint          signal_handler_id);
+void           xfce_mixer_bus_disconnect         (gulong         signal_handler_id);
 gint           xfce_mixer_get_max_volume         (gint          *volumes,
                                                   gint           num_channels);
 int            xfce_mixer_utf8_cmp               (const gchar   *s1,
                                                   const gchar   *s2);
 GType          xfce_mixer_value_array_get_type   (void);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__LIBXFCE4MIXER_H__ */
diff --git a/libxfce4mixer/xfce-mixer-card-combo.c b/libxfce4mixer/xfce-mixer-card-combo.c
index e75d6ab..f0ced37 100644
--- a/libxfce4mixer/xfce-mixer-card-combo.c
+++ b/libxfce4mixer/xfce-mixer-card-combo.c
@@ -31,10 +31,11 @@
 
 
 
-#define NAME_COLUMN 0
-#define CARD_COLUMN 1
-
-
+enum
+{
+  NAME_COLUMN,
+  CARD_COLUMN
+};
 
 enum
 {
@@ -48,8 +49,6 @@ static guint combo_signals[LAST_SIGNAL];
 
 
 
-static void  xfce_mixer_card_combo_class_init        (XfceMixerCardComboClass *klass);
-static void  xfce_mixer_card_combo_init              (XfceMixerCardCombo      *combo);
 static void  xfce_mixer_card_combo_finalize          (GObject                 *object);
 static void  xfce_mixer_card_combo_changed           (XfceMixerCardCombo      *combo);
 
@@ -69,36 +68,7 @@ struct _XfceMixerCardCombo
 
 
 
-static GObjectClass *xfce_mixer_card_combo_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_card_combo_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerCardComboClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_card_combo_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerCardCombo),
-          0,
-          (GInstanceInitFunc) xfce_mixer_card_combo_init,
-          NULL,
-        };
-
-      type = g_type_register_static (GTK_TYPE_COMBO_BOX, "XfceMixerCardCombo", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerCardCombo, xfce_mixer_card_combo, GTK_TYPE_COMBO_BOX)
 
 
 
@@ -107,9 +77,6 @@ xfce_mixer_card_combo_class_init (XfceMixerCardComboClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_mixer_card_combo_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->finalize = xfce_mixer_card_combo_finalize;
 
diff --git a/libxfce4mixer/xfce-mixer-card-combo.h b/libxfce4mixer/xfce-mixer-card-combo.h
index 90b959a..8d592f2 100644
--- a/libxfce4mixer/xfce-mixer-card-combo.h
+++ b/libxfce4mixer/xfce-mixer-card-combo.h
@@ -23,7 +23,7 @@
 
 #include <gtk/gtk.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerCardComboClass XfceMixerCardComboClass;
 typedef struct _XfceMixerCardCombo      XfceMixerCardCombo;
@@ -42,6 +42,6 @@ GstElement *xfce_mixer_card_combo_get_active_card (XfceMixerCardCombo *combo);
 void        xfce_mixer_card_combo_set_active_card (XfceMixerCardCombo *combo,
                                                    GstElement         *card);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_CARD_COMBO_H__ */
diff --git a/libxfce4mixer/xfce-mixer-preferences.c b/libxfce4mixer/xfce-mixer-preferences.c
index 7f939b2..117ebcf 100644
--- a/libxfce4mixer/xfce-mixer-preferences.c
+++ b/libxfce4mixer/xfce-mixer-preferences.c
@@ -44,8 +44,6 @@ enum
 
 
 
-static void       xfce_mixer_preferences_class_init         (XfceMixerPreferencesClass *klass);
-static void       xfce_mixer_preferences_init               (XfceMixerPreferences      *preferences);
 static void       xfce_mixer_preferences_finalize           (GObject                   *object);
 static void       xfce_mixer_preferences_get_property       (GObject                   *object,
                                                              guint                      prop_id,
@@ -82,36 +80,7 @@ struct _XfceMixerPreferences
 
 
 
-static GObjectClass *xfce_mixer_preferences_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_preferences_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerPreferencesClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_preferences_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerPreferences),
-          0,
-          (GInstanceInitFunc) xfce_mixer_preferences_init,
-          NULL,
-        };
-
-      type = g_type_register_static (G_TYPE_OBJECT, "XfceMixerPreferences", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerPreferences, xfce_mixer_preferences, G_TYPE_OBJECT)
 
 
 
@@ -120,9 +89,6 @@ xfce_mixer_preferences_class_init (XfceMixerPreferencesClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_mixer_preferences_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->get_property = xfce_mixer_preferences_get_property;
   gobject_class->set_property = xfce_mixer_preferences_set_property;
diff --git a/libxfce4mixer/xfce-mixer-preferences.h b/libxfce4mixer/xfce-mixer-preferences.h
index c4aa5c8..ad9e06c 100644
--- a/libxfce4mixer/xfce-mixer-preferences.h
+++ b/libxfce4mixer/xfce-mixer-preferences.h
@@ -27,7 +27,7 @@
 #include <gst/gst.h>
 #include <gst/interfaces/mixer.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerPreferencesClass XfceMixerPreferencesClass;
 typedef struct _XfceMixerPreferences      XfceMixerPreferences;
@@ -48,6 +48,6 @@ GPtrArray            *xfce_mixer_preferences_get_controls         (XfceMixerPref
 gboolean              xfce_mixer_preferences_get_control_visible  (XfceMixerPreferences *preferences,
                                                                    const gchar          *track_label);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_PREFERENCES_H__ */
diff --git a/libxfce4mixer/xfce-mixer-track-combo.c b/libxfce4mixer/xfce-mixer-track-combo.c
index d0c52d1..c679a99 100644
--- a/libxfce4mixer/xfce-mixer-track-combo.c
+++ b/libxfce4mixer/xfce-mixer-track-combo.c
@@ -36,10 +36,11 @@
 
 
 
-#define NAME_COLUMN  0
-#define TRACK_COLUMN 1
-
-
+enum
+{
+  NAME_COLUMN,
+  TRACK_COLUMN
+};
 
 enum 
 {
@@ -53,8 +54,6 @@ static guint combo_signals[LAST_SIGNAL];
 
 
 
-static void  xfce_mixer_track_combo_class_init        (XfceMixerTrackComboClass *klass);
-static void  xfce_mixer_track_combo_init              (XfceMixerTrackCombo      *combo);
 static void  xfce_mixer_track_combo_finalize          (GObject                  *object);
 static void  xfce_mixer_track_combo_update_track_list (XfceMixerTrackCombo      *combo);
 static void  xfce_mixer_track_combo_bus_message       (GstBus                   *bus,
@@ -77,41 +76,12 @@ struct _XfceMixerTrackCombo
 
   GstElement    *card;
   GstMixerTrack *track;
-  guint          signal_handler_id;
+  gulong         signal_handler_id;
 };
 
 
 
-static GObjectClass *xfce_mixer_track_combo_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_track_combo_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerTrackComboClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_track_combo_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerTrackCombo),
-          0,
-          (GInstanceInitFunc) xfce_mixer_track_combo_init,
-          NULL,
-        };
-
-      type = g_type_register_static (GTK_TYPE_COMBO_BOX, "XfceMixerTrackCombo", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerTrackCombo, xfce_mixer_track_combo, GTK_TYPE_COMBO_BOX)
 
 
 
@@ -120,9 +90,6 @@ xfce_mixer_track_combo_class_init (XfceMixerTrackComboClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_mixer_track_combo_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->finalize = xfce_mixer_track_combo_finalize;
 
diff --git a/libxfce4mixer/xfce-mixer-track-combo.h b/libxfce4mixer/xfce-mixer-track-combo.h
index 73a4a21..a6bd948 100644
--- a/libxfce4mixer/xfce-mixer-track-combo.h
+++ b/libxfce4mixer/xfce-mixer-track-combo.h
@@ -27,7 +27,7 @@
 #include <gst/gst.h>
 #include <gst/interfaces/mixer.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerTrackComboClass XfceMixerTrackComboClass;
 typedef struct _XfceMixerTrackCombo      XfceMixerTrackCombo;
@@ -50,6 +50,6 @@ GstMixerTrack *xfce_mixer_track_combo_get_active_track (XfceMixerTrackCombo *com
 void           xfce_mixer_track_combo_set_active_track (XfceMixerTrackCombo *combo,
                                                         GstMixerTrack       *track);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_TRACK_COMBO_H__ */
diff --git a/libxfce4mixer/xfce-mixer-track-type.h b/libxfce4mixer/xfce-mixer-track-type.h
index 3695289..bbaf416 100644
--- a/libxfce4mixer/xfce-mixer-track-type.h
+++ b/libxfce4mixer/xfce-mixer-track-type.h
@@ -24,7 +24,7 @@
 #include <glib-object.h>
 #include <gst/interfaces/mixer.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef enum
 {
@@ -40,6 +40,6 @@ GType              xfce_mixer_track_type_get_type (void) G_GNUC_CONST G_GNUC_INT
 
 XfceMixerTrackType xfce_mixer_track_type_new      (GstMixerTrack *track);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_TRACK_TYPE_H__ */
diff --git a/panel-plugin/xfce-mixer-plugin.c b/panel-plugin/xfce-mixer-plugin.c
index 57b227f..86d0a0f 100644
--- a/panel-plugin/xfce-mixer-plugin.c
+++ b/panel-plugin/xfce-mixer-plugin.c
@@ -140,7 +140,7 @@ struct _XfceMixerPlugin
   gboolean         ignore_bus_messages;
 
   /* GstBus connection id */
-  guint            message_handler_id;
+  gulong           message_handler_id;
 };
 
 
diff --git a/panel-plugin/xfce-mixer-plugin.h b/panel-plugin/xfce-mixer-plugin.h
index 3017b5d..0ab5e06 100644
--- a/panel-plugin/xfce-mixer-plugin.h
+++ b/panel-plugin/xfce-mixer-plugin.h
@@ -23,7 +23,7 @@
 
 #include <gtk/gtk.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerPluginClass XfceMixerPluginClass;
 typedef struct _XfceMixerPlugin      XfceMixerPlugin;
@@ -39,6 +39,6 @@ GType     xfce_mixer_plugin_get_type       (void) G_GNUC_CONST;
 
 void  xfce_mixer_plugin_register_type (XfcePanelTypeModule *type_module);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_PLUGIN_H__ */
diff --git a/panel-plugin/xfce-plugin-dialog.c b/panel-plugin/xfce-plugin-dialog.c
index 5af61d0..7c16644 100644
--- a/panel-plugin/xfce-plugin-dialog.c
+++ b/panel-plugin/xfce-plugin-dialog.c
@@ -40,8 +40,6 @@
 
 
 
-static void xfce_plugin_dialog_class_init                 (XfcePluginDialogClass *klass);
-static void xfce_plugin_dialog_init                       (XfcePluginDialog      *dialog);
 static void xfce_plugin_dialog_dispose                    (GObject               *object);
 static void xfce_plugin_dialog_finalize                   (GObject               *object);
 static void xfce_plugin_dialog_create_contents            (XfcePluginDialog      *dialog);
@@ -79,36 +77,7 @@ struct _XfcePluginDialog
 
 
 
-static GObjectClass *xfce_plugin_dialog_parent_class = NULL;
-
-
-
-GType
-xfce_plugin_dialog_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfcePluginDialogClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_plugin_dialog_class_init,
-          NULL,
-          NULL,
-          sizeof (XfcePluginDialog),
-          0,
-          (GInstanceInitFunc) xfce_plugin_dialog_init,
-          NULL,
-        };
-
-      type = g_type_register_static (XFCE_TYPE_TITLED_DIALOG, "XfcePluginDialog", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfcePluginDialog, xfce_plugin_dialog, XFCE_TYPE_TITLED_DIALOG)
 
 
 
@@ -117,9 +86,6 @@ xfce_plugin_dialog_class_init (XfcePluginDialogClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_plugin_dialog_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->dispose = xfce_plugin_dialog_dispose;
   gobject_class->finalize = xfce_plugin_dialog_finalize;
diff --git a/panel-plugin/xfce-plugin-dialog.h b/panel-plugin/xfce-plugin-dialog.h
index 3588400..890fe3f 100644
--- a/panel-plugin/xfce-plugin-dialog.h
+++ b/panel-plugin/xfce-plugin-dialog.h
@@ -27,7 +27,7 @@
 #include <gst/gst.h>
 #include <gst/interfaces/mixer.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfcePluginDialogClass XfcePluginDialogClass;
 typedef struct _XfcePluginDialog      XfcePluginDialog;
@@ -45,6 +45,6 @@ GType     xfce_plugin_dialog_get_type  (void) G_GNUC_CONST;
 
 GtkWidget *xfce_plugin_dialog_new (XfcePanelPlugin *plugin);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_PLUGIN_DIALOG_H__ */
diff --git a/panel-plugin/xfce-volume-button.c b/panel-plugin/xfce-volume-button.c
index eca3190..e20540e 100644
--- a/panel-plugin/xfce-volume-button.c
+++ b/panel-plugin/xfce-volume-button.c
@@ -84,8 +84,6 @@ static const char *icons[] = {
 
 
 
-static void       xfce_volume_button_class_init           (XfceVolumeButtonClass *klass);
-static void       xfce_volume_button_init                 (XfceVolumeButton      *button);
 static void       xfce_volume_button_dispose              (GObject               *object);
 static void       xfce_volume_button_finalize             (GObject               *object);
 static void       xfce_volume_button_set_property         (GObject               *object,
@@ -177,36 +175,7 @@ struct _XfceVolumeButton
 
 
 
-static GObjectClass *xfce_volume_button_parent_class = NULL;
-
-
-
-GType
-xfce_volume_button_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceVolumeButtonClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_volume_button_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceVolumeButton),
-          0,
-          (GInstanceInitFunc) xfce_volume_button_init,
-          NULL,
-        };
-
-      type = g_type_register_static (GTK_TYPE_TOGGLE_BUTTON, "XfceVolumeButton", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceVolumeButton, xfce_volume_button, GTK_TYPE_TOGGLE_BUTTON)
 
 
 
@@ -217,9 +186,6 @@ xfce_volume_button_class_init (XfceVolumeButtonClass *klass)
   GtkWidgetClass       *gtk_widget_class;
   GtkToggleButtonClass *gtk_toggle_button_class;
 
-  /* Determine parent type class */
-  xfce_volume_button_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->dispose = xfce_volume_button_dispose;
   gobject_class->finalize = xfce_volume_button_finalize;
@@ -799,6 +765,8 @@ xfce_volume_button_scroll_event (GtkWidget      *widget,
         /* Decrease one step when scrolling down/left */
         gtk_adjustment_set_value (GTK_ADJUSTMENT (button->adjustment), old_value - increment);
         break;
+      default:
+        break;
     }
 
   new_value = gtk_adjustment_get_value (GTK_ADJUSTMENT (button->adjustment));
diff --git a/panel-plugin/xfce-volume-button.h b/panel-plugin/xfce-volume-button.h
index 2514d57..8de0d17 100644
--- a/panel-plugin/xfce-volume-button.h
+++ b/panel-plugin/xfce-volume-button.h
@@ -26,7 +26,7 @@
 
 #include <libxfce4panel/libxfce4panel.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceVolumeButtonClass XfceVolumeButtonClass;
 typedef struct _XfceVolumeButton      XfceVolumeButton;
@@ -62,6 +62,6 @@ void               xfce_volume_button_set_screen_position (XfceVolumeButton   *b
                                                            XfceScreenPosition  screen_position);
 XfceScreenPosition xfce_volume_button_get_screen_position (XfceVolumeButton   *button);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_VOLUME_BUTTON_H__ */
diff --git a/xfce4-mixer/Makefile.am b/xfce4-mixer/Makefile.am
index 820711f..4af69e9 100644
--- a/xfce4-mixer/Makefile.am
+++ b/xfce4-mixer/Makefile.am
@@ -11,8 +11,8 @@ xfce4_mixer_SOURCES =							\
 	xfce-mixer-switch.h						\
 	xfce-mixer-option.c						\
 	xfce-mixer-option.h						\
-	xfce-mixer.c							\
-	xfce-mixer.h							\
+	xfce-mixer-container.c						\
+	xfce-mixer-container.h						\
 	xfce-mixer-controls-dialog.c					\
 	xfce-mixer-controls-dialog.h					\
 	xfce-mixer-window.h						\
diff --git a/xfce4-mixer/xfce-mixer.c b/xfce4-mixer/xfce-mixer-container.c
similarity index 66%
rename from xfce4-mixer/xfce-mixer.c
rename to xfce4-mixer/xfce-mixer-container.c
index a39da96..fa16d2d 100644
--- a/xfce4-mixer/xfce-mixer.c
+++ b/xfce4-mixer/xfce-mixer-container.c
@@ -31,7 +31,7 @@
 
 #include "libxfce4mixer/libxfce4mixer.h"
 
-#include "xfce-mixer.h"
+#include "xfce-mixer-container.h"
 #include "xfce-mixer-track.h"
 #include "xfce-mixer-switch.h"
 #include "xfce-mixer-option.h"
@@ -46,89 +46,55 @@ enum
 
 
 
-static void xfce_mixer_class_init      (XfceMixerClass *klass);
-static void xfce_mixer_instance_init   (XfceMixer      *mixer);
-static void xfce_mixer_constructed     (GObject        *object);
-static void xfce_mixer_finalize        (GObject        *object);
-static void xfce_mixer_get_property    (GObject        *object,
-                                        guint           prop_id,
-                                        GValue         *value,
-                                        GParamSpec     *pspec);
-static void xfce_mixer_set_property    (GObject        *object,
-                                        guint           prop_id,
-                                        const GValue   *value,
-                                        GParamSpec     *pspec);
-static void xfce_mixer_create_contents (XfceMixer      *mixer);
-static void xfce_mixer_bus_message     (GstBus         *bus,
-                                        GstMessage     *message,
-                                        XfceMixer      *mixer);
+static void xfce_mixer_container_constructed     (GObject                 *object);
+static void xfce_mixer_container_finalize        (GObject                 *object);
+static void xfce_mixer_container_get_property    (GObject                 *object,
+                                                  guint                    prop_id,
+                                                  GValue                  *value,
+                                                  GParamSpec              *pspec);
+static void xfce_mixer_container_set_property    (GObject                 *object,
+                                                  guint                    prop_id,
+                                                  const GValue            *value,
+                                                  GParamSpec              *pspec);
+static void xfce_mixer_container_create_contents (XfceMixerContainer      *mixer_container);
+static void xfce_mixer_container_bus_message     (GstBus                  *bus,
+                                                  GstMessage              *message,
+                                                  XfceMixerContainer      *mixer_container);
 
 
 
-struct _XfceMixerClass
+struct _XfceMixerContainerClass
 {
   GtkNotebookClass __parent__;
 };
 
-struct _XfceMixer
+struct _XfceMixerContainer
 {
-  GtkNotebook __parent__;
+  GtkNotebook  __parent__;
 
-  GstElement *card;
+  GstElement  *card;
 
-  GHashTable *widgets;
+  GHashTable  *widgets;
 
-  guint       message_handler_id;
+  gulong       message_handler_id;
 };
 
 
 
-static GObjectClass *xfce_mixer_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixer),
-          0,
-          (GInstanceInitFunc) xfce_mixer_instance_init,
-          NULL,
-        };
-
-      type = g_type_register_static (GTK_TYPE_NOTEBOOK, "XfceMixer", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerContainer, xfce_mixer_container, GTK_TYPE_NOTEBOOK)
 
 
 
 static void
-xfce_mixer_class_init (XfceMixerClass *klass)
+xfce_mixer_container_class_init (XfceMixerContainerClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_mixer_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
-  gobject_class->constructed = xfce_mixer_constructed;
-  gobject_class->finalize = xfce_mixer_finalize;
-  gobject_class->get_property = xfce_mixer_get_property;
-  gobject_class->set_property = xfce_mixer_set_property;
+  gobject_class->constructed = xfce_mixer_container_constructed;
+  gobject_class->finalize = xfce_mixer_container_finalize;
+  gobject_class->get_property = xfce_mixer_container_get_property;
+  gobject_class->set_property = xfce_mixer_container_set_property;
 
   g_object_class_install_property (gobject_class,
                                    PROP_CARD,
@@ -142,55 +108,57 @@ xfce_mixer_class_init (XfceMixerClass *klass)
 
 
 static void
-xfce_mixer_instance_init (XfceMixer *mixer)
+xfce_mixer_container_init (XfceMixerContainer *mixer_container)
 {
-  mixer->card = NULL;
-  mixer->widgets = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
-  mixer->message_handler_id = 0;
+  mixer_container->card = NULL;
+  mixer_container->widgets = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+  mixer_container->message_handler_id = 0;
 }
 
 
 
 static void
-xfce_mixer_constructed (GObject *object)
+xfce_mixer_container_constructed (GObject *object)
 {
-  XfceMixer *mixer = XFCE_MIXER (object);
+  XfceMixerContainer *mixer_container = XFCE_MIXER_CONTAINER (object);
 
   /* Create the content */
-  xfce_mixer_create_contents (XFCE_MIXER (mixer));
+  xfce_mixer_container_create_contents (XFCE_MIXER_CONTAINER (mixer_container));
+
+  mixer_container->message_handler_id = xfce_mixer_bus_connect (G_CALLBACK (xfce_mixer_container_bus_message), mixer_container);
 
-  mixer->message_handler_id = xfce_mixer_bus_connect (G_CALLBACK (xfce_mixer_bus_message), mixer);
+  (*G_OBJECT_CLASS (xfce_mixer_container_parent_class)->constructed) (object);
 }
 
 
 
 static void
-xfce_mixer_finalize (GObject *object)
+xfce_mixer_container_finalize (GObject *object)
 {
-  XfceMixer *mixer = XFCE_MIXER (object);
+  XfceMixerContainer *mixer_container = XFCE_MIXER_CONTAINER (object);
 
-  xfce_mixer_bus_disconnect (mixer->message_handler_id);
+  xfce_mixer_bus_disconnect (mixer_container->message_handler_id);
 
-  g_object_unref (mixer->card);
-  g_hash_table_unref (mixer->widgets);
+  g_object_unref (mixer_container->card);
+  g_hash_table_unref (mixer_container->widgets);
 
-  (*G_OBJECT_CLASS (xfce_mixer_parent_class)->finalize) (object);
+  (*G_OBJECT_CLASS (xfce_mixer_container_parent_class)->finalize) (object);
 }
 
 
 
 static void
-xfce_mixer_get_property (GObject    *object,
-                         guint       prop_id,
-                         GValue     *value,
-                         GParamSpec *pspec)
+xfce_mixer_container_get_property (GObject    *object,
+                                   guint       prop_id,
+                                   GValue     *value,
+                                   GParamSpec *pspec)
 {
-  XfceMixer *mixer = XFCE_MIXER (object);
+  XfceMixerContainer *mixer_container = XFCE_MIXER_CONTAINER (object);
 
   switch (prop_id)
     {
     case PROP_CARD:
-      g_value_set_object (value, mixer->card);
+      g_value_set_object (value, mixer_container->card);
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -201,24 +169,24 @@ xfce_mixer_get_property (GObject    *object,
 
 
 static void
-xfce_mixer_set_property (GObject      *object,
-                         guint         prop_id,
-                         const GValue *value,
-                         GParamSpec   *pspec)
+xfce_mixer_container_set_property (GObject      *object,
+                                   guint         prop_id,
+                                   const GValue *value,
+                                   GParamSpec   *pspec)
 {
-  XfceMixer *mixer = XFCE_MIXER (object);
+  XfceMixerContainer *mixer_container = XFCE_MIXER_CONTAINER (object);
 
   switch (prop_id)
     {
     case PROP_CARD:
-      if (mixer->message_handler_id != 0)
-        xfce_mixer_bus_disconnect (mixer->message_handler_id);
-      mixer->card = g_value_dup_object (value);
-      xfce_mixer_update_contents (mixer);
-      if (GST_IS_MIXER (mixer->card))
-        mixer->message_handler_id = xfce_mixer_bus_connect (G_CALLBACK (xfce_mixer_bus_message), mixer);
+      if (mixer_container->message_handler_id != 0)
+        xfce_mixer_bus_disconnect (mixer_container->message_handler_id);
+      mixer_container->card = g_value_dup_object (value);
+      xfce_mixer_container_update_contents (mixer_container);
+      if (GST_IS_MIXER (mixer_container->card))
+        mixer_container->message_handler_id = xfce_mixer_bus_connect (G_CALLBACK (xfce_mixer_container_bus_message), mixer_container);
       else
-        mixer->message_handler_id = 0;
+        mixer_container->message_handler_id = 0;
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -229,11 +197,11 @@ xfce_mixer_set_property (GObject      *object,
 
 
 GtkWidget *
-xfce_mixer_new (GstElement *card)
+xfce_mixer_container_new (GstElement *card)
 {
   GObject *object = NULL;
 
-  object = g_object_new (TYPE_XFCE_MIXER, "card", card, NULL);
+  object = g_object_new (TYPE_XFCE_MIXER_CONTAINER, "card", card, NULL);
 
   return GTK_WIDGET (object);
 }
@@ -241,7 +209,7 @@ xfce_mixer_new (GstElement *card)
 
 
 static void
-xfce_mixer_create_contents (XfceMixer *mixer)
+xfce_mixer_container_create_contents (XfceMixerContainer *mixer_container)
 {
   XfceMixerPreferences *preferences;
   XfceMixerTrackType    type;
@@ -264,7 +232,7 @@ xfce_mixer_create_contents (XfceMixer *mixer)
   gboolean              no_controls_visible = TRUE;
   gint                  i;
 
-  g_return_if_fail (IS_XFCE_MIXER (mixer));
+  g_return_if_fail (IS_XFCE_MIXER_CONTAINER (mixer_container));
 
   preferences = xfce_mixer_preferences_get ();
 
@@ -293,9 +261,9 @@ xfce_mixer_create_contents (XfceMixer *mixer)
     }
 
   /* Create controls for all mixer tracks */
-  if (GST_IS_MIXER (mixer->card))
+  if (GST_IS_MIXER (mixer_container->card))
     {
-      for (iter = gst_mixer_list_tracks (GST_MIXER (mixer->card)); iter != NULL; iter = g_list_next (iter))
+      for (iter = gst_mixer_list_tracks (GST_MIXER (mixer_container->card)); iter != NULL; iter = g_list_next (iter))
         {
           track = GST_MIXER_TRACK (iter->data);
 
@@ -315,7 +283,7 @@ xfce_mixer_create_contents (XfceMixer *mixer)
               gtk_table_attach (GTK_TABLE (views[0]), track_label_widget,
                                 num_children[0], num_children[0] + 1, 0, 1, GTK_SHRINK, GTK_SHRINK, 0, 0);
               gtk_widget_show (track_label_widget);
-              track_widget = xfce_mixer_track_new (mixer->card, track);
+              track_widget = xfce_mixer_track_new (mixer_container->card, track);
               gtk_table_attach (GTK_TABLE (views[0]), track_widget,
                                 num_children[0], num_children[0] + 1, 1, 2, GTK_SHRINK, GTK_FILL|GTK_EXPAND, 0, 0);
               gtk_widget_show (track_widget);
@@ -329,7 +297,7 @@ xfce_mixer_create_contents (XfceMixer *mixer)
               num_children[0]++;
 
               /* Add the track to the hash table */
-              g_hash_table_insert (mixer->widgets, g_strdup (track_label), track_widget);
+              g_hash_table_insert (mixer_container->widgets, g_strdup (track_label), track_widget);
               break;
 
             case XFCE_MIXER_TRACK_TYPE_CAPTURE:
@@ -338,7 +306,7 @@ xfce_mixer_create_contents (XfceMixer *mixer)
               gtk_table_attach (GTK_TABLE (views[1]), track_label_widget,
                                 num_children[1], num_children[1] + 1, 0, 1, GTK_SHRINK, GTK_SHRINK, 0, 0);
               gtk_widget_show (track_label_widget);
-              track_widget = xfce_mixer_track_new (mixer->card, track);
+              track_widget = xfce_mixer_track_new (mixer_container->card, track);
               gtk_table_attach (GTK_TABLE (views[1]), track_widget,
                                 num_children[1], num_children[1] + 1, 1, 2, GTK_SHRINK, GTK_FILL|GTK_EXPAND, 0, 0);
               gtk_widget_show (track_widget);
@@ -352,11 +320,11 @@ xfce_mixer_create_contents (XfceMixer *mixer)
               num_children[1]++;
 
               /* Add the track to the hash table */
-              g_hash_table_insert (mixer->widgets, g_strdup (track_label), track_widget);
+              g_hash_table_insert (mixer_container->widgets, g_strdup (track_label), track_widget);
               break;
 
             case XFCE_MIXER_TRACK_TYPE_SWITCH:
-              track_widget = xfce_mixer_switch_new (mixer->card, track);
+              track_widget = xfce_mixer_switch_new (mixer_container->card, track);
               gtk_table_attach (GTK_TABLE (views[2]), track_widget,
                                 0, 1, num_children[2], num_children[2] + 1, GTK_FILL|GTK_EXPAND, GTK_SHRINK, 0, 0);
               gtk_widget_show (track_widget);
@@ -364,7 +332,7 @@ xfce_mixer_create_contents (XfceMixer *mixer)
               num_children[2]++;
 
               /* Add the track to the hash table */
-              g_hash_table_insert (mixer->widgets, g_strdup (track_label), track_widget);
+              g_hash_table_insert (mixer_container->widgets, g_strdup (track_label), track_widget);
               break;
 
             case XFCE_MIXER_TRACK_TYPE_OPTIONS:
@@ -384,14 +352,14 @@ xfce_mixer_create_contents (XfceMixer *mixer)
                                 1, 2, num_children[3], num_children[3] + 1, GTK_FILL|GTK_EXPAND, GTK_SHRINK, 0, 0);
               gtk_widget_show (option_alignment);
 
-              track_widget = xfce_mixer_option_new (mixer->card, track);
+              track_widget = xfce_mixer_option_new (mixer_container->card, track);
               gtk_container_add (GTK_CONTAINER (option_alignment), track_widget);
               gtk_widget_show (track_widget);
 
               num_children[3]++;
 
               /* Add the track to the hash table */
-              g_hash_table_insert (mixer->widgets, g_strdup (track_label), track_widget);
+              g_hash_table_insert (mixer_container->widgets, g_strdup (track_label), track_widget);
               break;
             default:
               break;
@@ -406,13 +374,13 @@ xfce_mixer_create_contents (XfceMixer *mixer)
       if (G_LIKELY (last_separator[i] != NULL))
         gtk_widget_destroy (last_separator[i]);
 
-      gtk_notebook_append_page (GTK_NOTEBOOK (mixer), scrollwins[i], labels[i]);
+      gtk_notebook_append_page (GTK_NOTEBOOK (mixer_container), scrollwins[i], labels[i]);
 
       /* Hide tabs with no visible controls */
       if (num_children[i] > 0)
         no_controls_visible = FALSE;
       else
-        gtk_widget_hide (gtk_notebook_get_nth_page (GTK_NOTEBOOK (mixer), i));
+        gtk_widget_hide (gtk_notebook_get_nth_page (GTK_NOTEBOOK (mixer_container), i));
     }
 
   /* Show informational message if no controls are visible */
@@ -426,7 +394,7 @@ xfce_mixer_create_contents (XfceMixer *mixer)
       gtk_label_set_line_wrap (GTK_LABEL (label2), TRUE);
       gtk_widget_show (label2);
 
-      gtk_notebook_append_page (GTK_NOTEBOOK (mixer), label2, label1);
+      gtk_notebook_append_page (GTK_NOTEBOOK (mixer_container), label2, label1);
     }
 
   g_object_unref (preferences);
@@ -435,37 +403,37 @@ xfce_mixer_create_contents (XfceMixer *mixer)
 
 
 void
-xfce_mixer_update_contents (XfceMixer *mixer)
+xfce_mixer_container_update_contents (XfceMixerContainer *mixer_container)
 {
   gint current_tab;
   gint i;
 
-  g_return_if_fail (IS_XFCE_MIXER (mixer));
-  g_return_if_fail (mixer->widgets != NULL);
+  g_return_if_fail (IS_XFCE_MIXER_CONTAINER (mixer_container));
+  g_return_if_fail (mixer_container->widgets != NULL);
 
-  g_hash_table_remove_all (mixer->widgets);
+  g_hash_table_remove_all (mixer_container->widgets);
 
   /* Remember active tab */
-  current_tab = gtk_notebook_get_current_page (GTK_NOTEBOOK (mixer));
+  current_tab = gtk_notebook_get_current_page (GTK_NOTEBOOK (mixer_container));
 
   /* Destroy all tabs */
-  for (i = gtk_notebook_get_n_pages (GTK_NOTEBOOK (mixer)); i >= 0; i--)
-    gtk_notebook_remove_page (GTK_NOTEBOOK (mixer), i);
+  for (i = gtk_notebook_get_n_pages (GTK_NOTEBOOK (mixer_container)); i >= 0; i--)
+    gtk_notebook_remove_page (GTK_NOTEBOOK (mixer_container), i);
 
   /* Re-create contents */
-  xfce_mixer_create_contents (mixer);
+  xfce_mixer_container_create_contents (mixer_container);
 
   /* Restore previously active tab if possible */
   if (current_tab > 0 && current_tab < 4)
-    gtk_notebook_set_current_page (GTK_NOTEBOOK (mixer), current_tab);
+    gtk_notebook_set_current_page (GTK_NOTEBOOK (mixer_container), current_tab);
 }
 
 
 
 static void
-xfce_mixer_bus_message (GstBus     *bus,
-                        GstMessage *message,
-                        XfceMixer  *mixer)
+xfce_mixer_container_bus_message (GstBus             *bus,
+                                  GstMessage         *message,
+                                  XfceMixerContainer *mixer_container)
 {
   GstMixerOptions    *options = NULL;
   GstMixerTrack      *track = NULL;
@@ -477,9 +445,9 @@ xfce_mixer_bus_message (GstBus     *bus,
   gint               *volumes;
   gint                num_channels;
 
-  g_return_if_fail (IS_XFCE_MIXER (mixer));
+  g_return_if_fail (IS_XFCE_MIXER_CONTAINER (mixer_container));
 
-  if (G_UNLIKELY (GST_MESSAGE_SRC (message) != GST_OBJECT (mixer->card)))
+  if (G_UNLIKELY (GST_MESSAGE_SRC (message) != GST_OBJECT (mixer_container->card)))
     return;
 
   switch (gst_mixer_message_get_type (message))
@@ -488,7 +456,7 @@ xfce_mixer_bus_message (GstBus     *bus,
         gst_mixer_message_parse_mute_toggled (message, &track, &muted);
         label = xfce_mixer_get_track_label (track);
         xfce_mixer_debug ("Track '%s' was %s", label, muted ? "muted" : "unmuted");
-        widget = g_hash_table_lookup (mixer->widgets, label);
+        widget = g_hash_table_lookup (mixer_container->widgets, label);
 
         if (IS_XFCE_MIXER_TRACK (widget))
           xfce_mixer_track_update_mute (XFCE_MIXER_TRACK (widget));
@@ -499,7 +467,7 @@ xfce_mixer_bus_message (GstBus     *bus,
         gst_mixer_message_parse_record_toggled (message, &track, &record);
         label = xfce_mixer_get_track_label (track);
         xfce_mixer_debug ("Recording on track '%s' was %s", label, record ? "turned on" : "turned off");
-        widget = g_hash_table_lookup (mixer->widgets, label);
+        widget = g_hash_table_lookup (mixer_container->widgets, label);
 
         if (IS_XFCE_MIXER_TRACK (widget))
           xfce_mixer_track_update_record (XFCE_MIXER_TRACK (widget));
@@ -510,7 +478,7 @@ xfce_mixer_bus_message (GstBus     *bus,
         gst_mixer_message_parse_volume_changed (message, &track, &volumes, &num_channels);
         label = xfce_mixer_get_track_label (track);
         xfce_mixer_debug ("Volume on track '%s' changed to %i", label, volumes[0]);
-        widget = g_hash_table_lookup (mixer->widgets, label);
+        widget = g_hash_table_lookup (mixer_container->widgets, label);
 
         if (IS_XFCE_MIXER_TRACK (widget))
           xfce_mixer_track_update_volume (XFCE_MIXER_TRACK (widget));
@@ -519,14 +487,14 @@ xfce_mixer_bus_message (GstBus     *bus,
         gst_mixer_message_parse_option_changed (message, &options, &option);
         label = xfce_mixer_get_track_label (GST_MIXER_TRACK (options));
         xfce_mixer_debug ("Option '%s' was set to '%s'", label, option);
-        widget = g_hash_table_lookup (mixer->widgets, label);
+        widget = g_hash_table_lookup (mixer_container->widgets, label);
 
         if (IS_XFCE_MIXER_OPTION (widget))
           xfce_mixer_option_update (XFCE_MIXER_OPTION (widget));
         break;
       case GST_MIXER_MESSAGE_MIXER_CHANGED:
         xfce_mixer_debug ("Mixer tracks have changed");
-        xfce_mixer_update_contents (mixer);
+        xfce_mixer_container_update_contents (mixer_container);
         break;
       default:
         break;
diff --git a/xfce4-mixer/xfce-mixer-container.h b/xfce4-mixer/xfce-mixer-container.h
new file mode 100644
index 0000000..cbb25d5
--- /dev/null
+++ b/xfce4-mixer/xfce-mixer-container.h
@@ -0,0 +1,47 @@
+/* vi:set expandtab sw=2 sts=2: */
+/*-
+ * Copyright (c) 2008 Jannis Pohlmann <jannis at xfce.org>
+ * Copyright (c) 2012 Guido Berhoerster <guido+xfce at berhoerster.name>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, 
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __XFCE_MIXER_CONTAINER_H__
+#define __XFCE_MIXER_CONTAINER_H__
+
+#include <gtk/gtk.h>
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+typedef struct _XfceMixerContainerClass XfceMixerContainerClass;
+typedef struct _XfceMixerContainer      XfceMixerContainer;
+
+#define TYPE_XFCE_MIXER_CONTAINER            (xfce_mixer_container_get_type ())
+#define XFCE_MIXER_CONTAINER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_XFCE_MIXER_CONTAINER, XfceMixerContainer))
+#define XFCE_MIXER_CONTAINER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_XFCE_MIXER_CONTAINER, XfceMixerContainerClass))
+#define IS_XFCE_MIXER_CONTAINER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_XFCE_MIXER_CONTAINER))
+#define IS_XFCE_MIXER_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_XFCE_MIXER_CONTAINER))
+#define XFCE_MIXER_CONTAINER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_XFCE_MIXER_CONTAINER, XfceMixerContainerClass))
+
+GType      xfce_mixer_container_get_type (void) G_GNUC_CONST;
+
+GtkWidget  *xfce_mixer_container_new             (GstElement *card);
+void        xfce_mixer_container_update_contents (XfceMixerContainer  *mixer);
+
+G_END_DECLS
+
+#endif /* !__XFCE_MIXER_CONTAINER_H__ */
diff --git a/xfce4-mixer/xfce-mixer-controls-dialog.c b/xfce4-mixer/xfce-mixer-controls-dialog.c
index 716abd5..dd79a77 100644
--- a/xfce4-mixer/xfce-mixer-controls-dialog.c
+++ b/xfce4-mixer/xfce-mixer-controls-dialog.c
@@ -37,13 +37,14 @@
 
 
 
-#define VISIBLE_COLUMN       0
-#define NAME_COLUMN          1
+enum
+{
+  VISIBLE_COLUMN,
+  NAME_COLUMN
+};
 
 
 
-static void   xfce_mixer_controls_dialog_class_init           (XfceMixerControlsDialogClass *klass);
-static void   xfce_mixer_controls_dialog_init                 (XfceMixerControlsDialog      *dialog);
 static void   xfce_mixer_controls_dialog_dispose              (GObject                      *object);
 static void   xfce_mixer_controls_dialog_finalize             (GObject                      *object);
 static void   xfce_mixer_controls_dialog_response             (GtkDialog                    *dialog,
@@ -71,7 +72,7 @@ struct _XfceMixerControlsDialog
   XfceMixerWindow      *parent;
   XfceMixerPreferences *preferences;
   GstElement           *card;
-  guint                 signal_handler_id;
+  gulong                signal_handler_id;
 
   GtkWidget            *frame;
   GtkListStore         *store;
@@ -79,36 +80,7 @@ struct _XfceMixerControlsDialog
 
 
 
-static GObjectClass *xfce_mixer_controls_dialog_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_controls_dialog_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerControlsDialogClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_controls_dialog_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerControlsDialog),
-          0,
-          (GInstanceInitFunc) xfce_mixer_controls_dialog_init,
-          NULL,
-        };
-
-      type = g_type_register_static (XFCE_TYPE_TITLED_DIALOG, "XfceMixerControlsDialog", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerControlsDialog, xfce_mixer_controls_dialog, XFCE_TYPE_TITLED_DIALOG)
 
 
 
@@ -118,9 +90,6 @@ xfce_mixer_controls_dialog_class_init (XfceMixerControlsDialogClass *klass)
   GObjectClass   *gobject_class;
   GtkDialogClass *dialog_class;
 
-  /* Determine parent type class */
-  xfce_mixer_controls_dialog_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->dispose = xfce_mixer_controls_dialog_dispose;
   gobject_class->finalize = xfce_mixer_controls_dialog_finalize;
diff --git a/xfce4-mixer/xfce-mixer-controls-dialog.h b/xfce4-mixer/xfce-mixer-controls-dialog.h
index 739e95a..913007a 100644
--- a/xfce4-mixer/xfce-mixer-controls-dialog.h
+++ b/xfce4-mixer/xfce-mixer-controls-dialog.h
@@ -24,7 +24,7 @@
 
 #include "xfce-mixer-window.h"
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerControlsDialogClass XfceMixerControlsDialogClass;
 typedef struct _XfceMixerControlsDialog      XfceMixerControlsDialog;
@@ -43,6 +43,6 @@ void       xfce_mixer_controls_dialog_set_soundcard (XfceMixerControlsDialog *di
                                                      GstElement              *card);
 void       xfce_mixer_controls_dialog_update_dialog (XfceMixerControlsDialog *dialog);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_CONTROLS_DIALOG_H__ */
diff --git a/xfce4-mixer/xfce-mixer-option.c b/xfce4-mixer/xfce-mixer-option.c
index c9a79b5..d16b766 100644
--- a/xfce4-mixer/xfce-mixer-option.c
+++ b/xfce4-mixer/xfce-mixer-option.c
@@ -35,12 +35,13 @@
 
 
 
-#define OPTION_COLUMN 0
+enum
+{
+  OPTION_COLUMN
+};
 
 
 
-static void xfce_mixer_option_class_init      (XfceMixerOptionClass *klass);
-static void xfce_mixer_option_init            (XfceMixerOption      *option);
 static void xfce_mixer_option_dispose         (GObject              *object);
 static void xfce_mixer_option_finalize        (GObject              *object);
 static void xfce_mixer_option_create_contents (XfceMixerOption      *option);
@@ -65,43 +66,14 @@ struct _XfceMixerOption
 
   GstElement    *card;
   GstMixerTrack *track;
-  guint          signal_handler_id;
+  gulong         signal_handler_id;
 
   gboolean       ignore_signals;
 };
 
 
 
-static GObjectClass *xfce_mixer_option_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_option_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerOptionClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_option_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerOption),
-          0,
-          (GInstanceInitFunc) xfce_mixer_option_init,
-          NULL,
-        };
-
-      type = g_type_register_static (GTK_TYPE_COMBO_BOX, "XfceMixerOption", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerOption, xfce_mixer_option, GTK_TYPE_COMBO_BOX)
 
 
 
@@ -110,9 +82,6 @@ xfce_mixer_option_class_init (XfceMixerOptionClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_mixer_option_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->dispose = xfce_mixer_option_dispose;
   gobject_class->finalize = xfce_mixer_option_finalize;
diff --git a/xfce4-mixer/xfce-mixer-option.h b/xfce4-mixer/xfce-mixer-option.h
index 9eef621..c199e3e 100644
--- a/xfce4-mixer/xfce-mixer-option.h
+++ b/xfce4-mixer/xfce-mixer-option.h
@@ -24,7 +24,7 @@
 #include <gtk/gtk.h>
 #include <gst/gst.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerOptionClass XfceMixerOptionClass;
 typedef struct _XfceMixerOption      XfceMixerOption;
@@ -42,6 +42,6 @@ GtkWidget *xfce_mixer_option_new      (GstElement      *card,
                                        GstMixerTrack   *track);
 void       xfce_mixer_option_update   (XfceMixerOption *option);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_OPTION_H__ */
diff --git a/xfce4-mixer/xfce-mixer-switch.c b/xfce4-mixer/xfce-mixer-switch.c
index dd07d41..19fc607 100644
--- a/xfce4-mixer/xfce-mixer-switch.c
+++ b/xfce4-mixer/xfce-mixer-switch.c
@@ -35,8 +35,6 @@
 
 
 
-static void xfce_mixer_switch_class_init      (XfceMixerSwitchClass *klass);
-static void xfce_mixer_switch_init            (XfceMixerSwitch      *mixer_switch);
 static void xfce_mixer_switch_dispose         (GObject              *object);
 static void xfce_mixer_switch_finalize        (GObject              *object);
 static void xfce_mixer_switch_create_contents (XfceMixerSwitch      *mixer_switch);
@@ -61,36 +59,7 @@ struct _XfceMixerSwitch
 
 
 
-static GObjectClass *xfce_mixer_switch_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_switch_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerSwitchClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_switch_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerSwitch),
-          0,
-          (GInstanceInitFunc) xfce_mixer_switch_init,
-          NULL,
-        };
-
-      type = g_type_register_static (GTK_TYPE_CHECK_BUTTON, "XfceMixerSwitch", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerSwitch, xfce_mixer_switch, GTK_TYPE_CHECK_BUTTON)
 
 
 
@@ -100,9 +69,6 @@ xfce_mixer_switch_class_init (XfceMixerSwitchClass *klass)
   GObjectClass         *gobject_class;
   GtkToggleButtonClass *gtk_toggle_button_class;
 
-  /* Determine parent type class */
-  xfce_mixer_switch_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->dispose = xfce_mixer_switch_dispose;
   gobject_class->finalize = xfce_mixer_switch_finalize;
diff --git a/xfce4-mixer/xfce-mixer-switch.h b/xfce4-mixer/xfce-mixer-switch.h
index e14e8cd..f9526d7 100644
--- a/xfce4-mixer/xfce-mixer-switch.h
+++ b/xfce4-mixer/xfce-mixer-switch.h
@@ -24,7 +24,7 @@
 #include <gtk/gtk.h>
 #include <gst/gst.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerSwitchClass XfceMixerSwitchClass;
 typedef struct _XfceMixerSwitch      XfceMixerSwitch;
@@ -42,6 +42,6 @@ GtkWidget *xfce_mixer_switch_new      (GstElement      *card,
                                        GstMixerTrack   *track);
 void       xfce_mixer_switch_update   (XfceMixerSwitch *mixer_switch);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_SWITCH_H__ */
diff --git a/xfce4-mixer/xfce-mixer-track.c b/xfce4-mixer/xfce-mixer-track.c
index 13fa607..9aa4570 100644
--- a/xfce4-mixer/xfce-mixer-track.c
+++ b/xfce4-mixer/xfce-mixer-track.c
@@ -43,8 +43,6 @@
 
 
 
-static void     xfce_mixer_track_class_init                    (XfceMixerTrackClass *klass);
-static void     xfce_mixer_track_init                          (XfceMixerTrack      *track);
 static void     xfce_mixer_track_dispose                       (GObject             *object);
 static void     xfce_mixer_track_finalize                      (GObject             *object);
 static gboolean xfce_mixer_track_lock_button_line_expose_event (GtkWidget           *widget,
@@ -85,36 +83,7 @@ struct _XfceMixerTrack
 
 
 
-static GObjectClass *xfce_mixer_track_parent_class = NULL;
-
-
-
-GType
-xfce_mixer_track_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerTrackClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_track_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerTrack),
-          0,
-          (GInstanceInitFunc) xfce_mixer_track_init,
-          NULL,
-        };
-
-      type = g_type_register_static (GTK_TYPE_VBOX, "XfceMixerTrack", &info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerTrack, xfce_mixer_track, GTK_TYPE_VBOX)
 
 
 
@@ -123,9 +92,6 @@ xfce_mixer_track_class_init (XfceMixerTrackClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_mixer_track_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->dispose = xfce_mixer_track_dispose;
   gobject_class->finalize = xfce_mixer_track_finalize;
diff --git a/xfce4-mixer/xfce-mixer-track.h b/xfce4-mixer/xfce-mixer-track.h
index 7789bf9..cc363b0 100644
--- a/xfce4-mixer/xfce-mixer-track.h
+++ b/xfce4-mixer/xfce-mixer-track.h
@@ -24,7 +24,7 @@
 #include <gtk/gtk.h>
 #include <gst/gst.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerTrackClass XfceMixerTrackClass;
 typedef struct _XfceMixerTrack      XfceMixerTrack;
@@ -44,6 +44,6 @@ void       xfce_mixer_track_update_mute   (XfceMixerTrack *track);
 void       xfce_mixer_track_update_record (XfceMixerTrack *track);
 void       xfce_mixer_track_update_volume (XfceMixerTrack *track);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_TRACK_H__ */
diff --git a/xfce4-mixer/xfce-mixer-window.c b/xfce4-mixer/xfce-mixer-window.c
index f8dec5b..632c646 100644
--- a/xfce4-mixer/xfce-mixer-window.c
+++ b/xfce4-mixer/xfce-mixer-window.c
@@ -32,14 +32,12 @@
 
 #include "libxfce4mixer/libxfce4mixer.h"
 
-#include "xfce-mixer.h"
+#include "xfce-mixer-container.h"
 #include "xfce-mixer-window.h"
 #include "xfce-mixer-controls-dialog.h"
 
 
 
-static void     xfce_mixer_window_class_init                  (XfceMixerWindowClass *klass);
-static void     xfce_mixer_window_init                        (XfceMixerWindow      *window);
 static void     xfce_mixer_window_dispose                     (GObject              *object);
 static void     xfce_mixer_window_finalize                    (GObject              *object);
 static void     xfce_mixer_window_soundcard_changed           (XfceMixerCardCombo   *combo,
@@ -79,7 +77,7 @@ struct _XfceMixerWindow
 
   /* Active mixer control set */
   GtkWidget            *mixer_frame;
-  GtkWidget            *mixer;
+  GtkWidget            *mixer_container;
 
   GtkWidget            *select_controls_button;
 
@@ -96,43 +94,9 @@ static const GtkActionEntry action_entries[] =
     G_CALLBACK (xfce_mixer_window_action_select_controls) },
 };
 
-static const GtkToggleActionEntry toggle_action_entries[] =
-{
-};
-
-
 
-static GObjectClass *xfce_mixer_window_parent_class = NULL;
 
-
-
-GType
-xfce_mixer_window_get_type (void)
-{
-  static GType type = G_TYPE_INVALID;
-
-  if (G_UNLIKELY (type == G_TYPE_INVALID))
-    {
-      static const GTypeInfo info = 
-        {
-          sizeof (XfceMixerWindowClass),
-          NULL,
-          NULL,
-          (GClassInitFunc) xfce_mixer_window_class_init,
-          NULL,
-          NULL,
-          sizeof (XfceMixerWindow),
-          0,
-          (GInstanceInitFunc) xfce_mixer_window_init,
-          NULL,
-        };
-
-      type = g_type_register_static (XFCE_TYPE_TITLED_DIALOG, "XfceMixerWindow", &info, 0);
-
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE (XfceMixerWindow, xfce_mixer_window, XFCE_TYPE_TITLED_DIALOG)
 
 
 
@@ -141,9 +105,6 @@ xfce_mixer_window_class_init (XfceMixerWindowClass *klass)
 {
   GObjectClass *gobject_class;
 
-  /* Determine parent type class */
-  xfce_mixer_window_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS (klass);
   gobject_class->dispose = xfce_mixer_window_dispose;
   gobject_class->finalize = xfce_mixer_window_finalize;
@@ -240,9 +201,9 @@ xfce_mixer_window_init (XfceMixerWindow *window)
   gtk_container_add (GTK_CONTAINER (vbox), window->mixer_frame);
   gtk_widget_show (window->mixer_frame);
 
-  window->mixer = xfce_mixer_new (NULL);
-  gtk_container_add (GTK_CONTAINER (window->mixer_frame), window->mixer);
-  gtk_widget_show (window->mixer);
+  window->mixer_container = xfce_mixer_container_new (NULL);
+  gtk_container_add (GTK_CONTAINER (window->mixer_frame), window->mixer_container);
+  gtk_widget_show (window->mixer_container);
 
   bbox = gtk_dialog_get_action_area (GTK_DIALOG (window));
   gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_EDGE);
@@ -395,7 +356,7 @@ xfce_mixer_window_controls_property_changed (XfceMixerWindow *window,
                                              GParamSpec      *pspec,
                                              GObject         *object)
 {
-  xfce_mixer_update_contents (XFCE_MIXER (window->mixer));
+  xfce_mixer_container_update_contents (XFCE_MIXER_CONTAINER (window->mixer_container));
 
   /* Update the controls dialog */
   if (window->controls_dialog != NULL)
@@ -458,8 +419,8 @@ xfce_mixer_window_update_contents (XfceMixerWindow *window)
 
       xfce_mixer_select_card (card);
 
-      /* Update the XfceMixer containing the controls */
-      g_object_set (window->mixer, "card", card, NULL);
+      /* Update the XfceMixerContainer containing the controls */
+      g_object_set (window->mixer_container, "card", card, NULL);
 
       /* Make the "Select Controls..." button sensitive */
       gtk_widget_set_sensitive (window->select_controls_button, TRUE);
@@ -468,8 +429,8 @@ xfce_mixer_window_update_contents (XfceMixerWindow *window)
     {
       gtk_window_set_title (GTK_WINDOW (window), _("Audio Mixer"));
 
-      /* Update the XfceMixer containing the controls */
-      g_object_set (window->mixer, "card", NULL, NULL);
+      /* Update the XfceMixerContainer containing the controls */
+      g_object_set (window->mixer_container, "card", NULL, NULL);
 
       /* Make the "Select Controls..." button insensitive */
       gtk_widget_set_sensitive (window->select_controls_button, FALSE);
diff --git a/xfce4-mixer/xfce-mixer-window.h b/xfce4-mixer/xfce-mixer-window.h
index 58e0083..b2aba01 100644
--- a/xfce4-mixer/xfce-mixer-window.h
+++ b/xfce4-mixer/xfce-mixer-window.h
@@ -24,7 +24,7 @@
 #include <gtk/gtk.h>
 #include <gst/gst.h>
 
-G_BEGIN_DECLS;
+G_BEGIN_DECLS
 
 typedef struct _XfceMixerWindowClass XfceMixerWindowClass;
 typedef struct _XfceMixerWindow      XfceMixerWindow;
@@ -41,6 +41,6 @@ GType       xfce_mixer_window_get_type        (void) G_GNUC_CONST;
 GtkWidget  *xfce_mixer_window_new             (void);
 GstElement *xfce_mixer_window_get_active_card (XfceMixerWindow *window);
 
-G_END_DECLS;
+G_END_DECLS
 
 #endif /* !__XFCE_MIXER_WINDOW_H__ */
diff --git a/xfce4-mixer/xfce-mixer.h b/xfce4-mixer/xfce-mixer.h
deleted file mode 100644
index 2aeab9e..0000000
--- a/xfce4-mixer/xfce-mixer.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* vi:set expandtab sw=2 sts=2: */
-/*-
- * Copyright (c) 2008 Jannis Pohlmann <jannis at xfce.org>
- * Copyright (c) 2012 Guido Berhoerster <guido+xfce at berhoerster.name>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, 
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef __XFCE_MIXER_H__
-#define __XFCE_MIXER_H__
-
-#include <gtk/gtk.h>
-#include <gst/gst.h>
-
-G_BEGIN_DECLS;
-
-typedef struct _XfceMixerClass XfceMixerClass;
-typedef struct _XfceMixer      XfceMixer;
-
-#define TYPE_XFCE_MIXER            (xfce_mixer_get_type ())
-#define XFCE_MIXER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_XFCE_MIXER, XfceMixer))
-#define XFCE_MIXER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_XFCE_MIXER, XfceMixerClass))
-#define IS_XFCE_MIXER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_XFCE_MIXER))
-#define IS_XFCE_MIXER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_XFCE_MIXER))
-#define XFCE_MIXER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_XFCE_MIXER, XfceMixerClass))
-
-GType      xfce_mixer_get_type (void) G_GNUC_CONST;
-
-GtkWidget  *xfce_mixer_new             (GstElement *card);
-void        xfce_mixer_update_contents (XfceMixer  *mixer);
-
-G_END_DECLS;
-
-#endif /* !__XFCE_MIXER_H__ */


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