/* Copyright 2010 Canonical Ltd. Authors: Conor Curran This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 3, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranties of MERCHANTABILITY, SATISFACTORY QUALITY, 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, see . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include "volume-widget.h" #include "common-defs.h" #include #include "indicator-sound.h" typedef struct _VolumeWidgetPrivate VolumeWidgetPrivate; struct _VolumeWidgetPrivate { DbusmenuMenuitem* twin_item; GtkWidget* ido_volume_slider; gboolean grabbed; IndicatorObject* indicator; }; #define VOLUME_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), VOLUME_WIDGET_TYPE, VolumeWidgetPrivate)) /* Prototypes */ static void volume_widget_class_init (VolumeWidgetClass *klass); static void volume_widget_init (VolumeWidget *self); static void volume_widget_dispose (GObject *object); static void volume_widget_finalize (GObject *object); static void volume_widget_set_twin_item( VolumeWidget* self, DbusmenuMenuitem* twin_item); static void volume_widget_property_update( DbusmenuMenuitem* item, gchar* property, GVariant* value, gpointer userdata ); static gboolean volume_widget_change_value_cb (GtkRange *range, GtkScrollType scroll, gdouble value, gpointer user_data); static void volume_widget_primary_clicked(GtkWidget *widget, gpointer user_data); static void volume_widget_secondary_clicked(GtkWidget *widget, gpointer user_data); static void volume_widget_slider_grabbed(GtkWidget *widget, gpointer user_data); static void volume_widget_slider_released(GtkWidget *widget, gpointer user_data); static void volume_widget_parent_changed (GtkWidget *widget, gpointer user_data); G_DEFINE_TYPE (VolumeWidget, volume_widget, G_TYPE_OBJECT); static void volume_widget_class_init (VolumeWidgetClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); g_type_class_add_private (klass, sizeof (VolumeWidgetPrivate)); gobject_class->dispose = volume_widget_dispose; gobject_class->finalize = volume_widget_finalize; } static void volume_widget_init (VolumeWidget *self) { VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(self); priv->ido_volume_slider = ido_scale_menu_item_new_with_range ("VOLUME", IDO_RANGE_STYLE_DEFAULT, 0, 0, 100, 1); g_object_ref (priv->ido_volume_slider); ido_scale_menu_item_set_primary_label (IDO_SCALE_MENU_ITEM(priv->ido_volume_slider), "VOLUME"); ido_scale_menu_item_set_style (IDO_SCALE_MENU_ITEM (priv->ido_volume_slider), IDO_SCALE_MENU_ITEM_STYLE_IMAGE); g_object_set(priv->ido_volume_slider, "reverse-scroll-events", TRUE, NULL); g_signal_connect (priv->ido_volume_slider, "notify::parent", G_CALLBACK (volume_widget_parent_changed), NULL); GtkWidget* volume_widget = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)priv->ido_volume_slider); g_signal_connect(volume_widget, "change-value", G_CALLBACK(volume_widget_change_value_cb), self); g_signal_connect(priv->ido_volume_slider, "primary-clicked", G_CALLBACK(volume_widget_primary_clicked), self); g_signal_connect(priv->ido_volume_slider, "secondary-clicked", G_CALLBACK(volume_widget_secondary_clicked), self); g_signal_connect(priv->ido_volume_slider, "slider-grabbed", G_CALLBACK(volume_widget_slider_grabbed), self); g_signal_connect(priv->ido_volume_slider, "slider-released", G_CALLBACK(volume_widget_slider_released), self); GtkWidget* primary_image = ido_scale_menu_item_get_primary_image((IdoScaleMenuItem*)priv->ido_volume_slider); GIcon * primary_gicon = g_themed_icon_new_with_default_fallbacks("audio-volume-low-zero-panel"); gtk_image_set_from_gicon(GTK_IMAGE(primary_image), primary_gicon, GTK_ICON_SIZE_MENU); g_object_unref(primary_gicon); GtkWidget* secondary_image = ido_scale_menu_item_get_secondary_image((IdoScaleMenuItem*)priv->ido_volume_slider); GIcon * secondary_gicon = g_themed_icon_new_with_default_fallbacks("audio-volume-high-panel"); gtk_image_set_from_gicon(GTK_IMAGE(secondary_image), secondary_gicon, GTK_ICON_SIZE_MENU); g_object_unref(secondary_gicon); GtkAdjustment *adj = gtk_range_get_adjustment (GTK_RANGE (volume_widget)); gtk_adjustment_set_step_increment(adj, 4); } static void volume_widget_dispose (GObject *object) { G_OBJECT_CLASS (volume_widget_parent_class)->dispose (object); } static void volume_widget_finalize (GObject *object) { G_OBJECT_CLASS (volume_widget_parent_class)->finalize (object); } static void volume_widget_property_update( DbusmenuMenuitem* item, gchar* property, GVariant* value, gpointer userdata) { g_return_if_fail (IS_VOLUME_WIDGET(userdata)); VolumeWidget* mitem = VOLUME_WIDGET(userdata); VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(mitem); if(g_ascii_strcasecmp(DBUSMENU_VOLUME_MENUITEM_LEVEL, property) == 0){ g_return_if_fail (g_variant_is_of_type (value, G_VARIANT_TYPE_DOUBLE) ); if(priv->grabbed == FALSE){ GtkWidget *slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)priv->ido_volume_slider); GtkRange *range = (GtkRange*)slider; gdouble update = g_variant_get_double (value); gtk_range_set_value(range, update); /* g_debug ("volume-widget::volume_widget_property_update - volume - value %f", update); */ AtkObject* atk_object; atk_object = gtk_widget_get_accessible(GTK_WIDGET(range)); if (atk_object != NULL){ gchar* desc = g_strdup_printf(_("Volume (%'.0f%%)"), volume_widget_get_current_volume (GTK_WIDGET (userdata))); atk_object_set_name (atk_object, desc); } update_accessible_desc(priv->indicator); } } else if(g_ascii_strcasecmp(DBUSMENU_VOLUME_MENUITEM_MUTE, property) == 0){ g_return_if_fail (g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN)); if(priv->grabbed == FALSE){ GtkWidget *slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)priv->ido_volume_slider); GtkRange *range = (GtkRange*)slider; gboolean update = g_variant_get_boolean (value); gdouble level; if (update == TRUE){ level = 0; } else{ GVariant* variant = dbusmenu_menuitem_property_get_variant (priv->twin_item, DBUSMENU_VOLUME_MENUITEM_LEVEL); /* g_debug ("variant for the volume - is it null = %i", variant == NULL); */ g_return_if_fail (g_variant_is_of_type (variant, G_VARIANT_TYPE_DOUBLE) ); level = g_variant_get_double (variant); } /* g_debug ("volume-widget::volume_widget_property_update - mute - value %i and level = %f", update, level); */ gtk_range_set_value(range, level); } } } static void volume_widget_set_twin_item(VolumeWidget* self, DbusmenuMenuitem* twin_item) { VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(self); priv->twin_item = twin_item; g_object_ref(priv->twin_item); g_signal_connect(G_OBJECT(twin_item), "property-changed", G_CALLBACK(volume_widget_property_update), self); gdouble initial_level = g_variant_get_double (dbusmenu_menuitem_property_get_variant(twin_item, DBUSMENU_VOLUME_MENUITEM_LEVEL)); gboolean initial_mute = g_variant_get_boolean (dbusmenu_menuitem_property_get_variant(twin_item, DBUSMENU_VOLUME_MENUITEM_MUTE)); //g_debug("volume_widget_set_twin_item initial level = %f", initial_level); GtkWidget *slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)priv->ido_volume_slider); GtkRange *range = (GtkRange*)slider; if(initial_mute == TRUE){ initial_level = 0; } gtk_range_set_value(range, initial_level); } static gboolean volume_widget_change_value_cb (GtkRange *range, GtkScrollType scroll, gdouble new_value, gpointer user_data) { g_return_val_if_fail (IS_VOLUME_WIDGET (user_data), FALSE); VolumeWidget* mitem = VOLUME_WIDGET(user_data); /* g_debug ("changed value %f", new_value); */ volume_widget_update(mitem, new_value, "change-value"); return FALSE; } void volume_widget_update(VolumeWidget* self, gdouble update, gchar* label) { gchar* source = NULL; source = label; if (label == NULL){ source = "v widget update"; } VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(self); gdouble clamped = CLAMP(update, 0, 100); GVariant* new_volume = g_variant_new_double(clamped); dbusmenu_menuitem_handle_event (priv->twin_item, source, new_volume, 0); } static void volume_widget_update_from_scale (VolumeWidget *self) { g_return_if_fail (IS_VOLUME_WIDGET (self)); VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(self); GtkWidget *slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)priv->ido_volume_slider); const gdouble current_value = CLAMP(gtk_range_get_value(GTK_RANGE(slider)), 0, 100); g_debug ("%s - setting value to %.0f", G_STRFUNC, current_value); volume_widget_update (self, current_value, "value-changed"); } static void volume_widget_primary_clicked (GtkWidget *widget G_GNUC_UNUSED, gpointer user_data) { volume_widget_update_from_scale (VOLUME_WIDGET(user_data)); } static void volume_widget_secondary_clicked(GtkWidget *widget, gpointer user_data) { volume_widget_update_from_scale (VOLUME_WIDGET(user_data)); } GtkWidget* volume_widget_get_ido_slider(VolumeWidget* self) { VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(self); return priv->ido_volume_slider; } static void volume_widget_parent_changed (GtkWidget *widget, gpointer user_data) { gtk_widget_set_size_request (widget, 200, -1); //g_debug("volume_widget_parent_changed"); } static void volume_widget_slider_grabbed(GtkWidget *widget, gpointer user_data) { VolumeWidget* mitem = VOLUME_WIDGET(user_data); VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(mitem); priv->grabbed = TRUE; } static void volume_widget_slider_released(GtkWidget *widget, gpointer user_data) { VolumeWidget* mitem = VOLUME_WIDGET(user_data); VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(mitem); priv->grabbed = FALSE; } void volume_widget_tidy_up (GtkWidget *widget) { VolumeWidget* mitem = VOLUME_WIDGET(widget); VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(mitem); gtk_widget_destroy (priv->ido_volume_slider); } gdouble volume_widget_get_current_volume ( GtkWidget *widget ) { VolumeWidget* mitem = VOLUME_WIDGET(widget); VolumeWidgetPrivate * priv = VOLUME_WIDGET_GET_PRIVATE(mitem); gdouble vol = g_variant_get_double( dbusmenu_menuitem_property_get_variant( priv->twin_item, DBUSMENU_VOLUME_MENUITEM_LEVEL)); return vol; } /** * volume_widget_new: * @returns: a new #VolumeWidget. **/ GtkWidget* volume_widget_new(DbusmenuMenuitem *item, IndicatorObject* io) { GtkWidget* widget = g_object_new(VOLUME_WIDGET_TYPE, NULL); VolumeWidgetPrivate* priv = VOLUME_WIDGET_GET_PRIVATE(VOLUME_WIDGET(widget)); priv->indicator = io; volume_widget_set_twin_item((VolumeWidget*)widget, item); return widget; }