add a (possibly not necessary?) workaround for transparency

5 files changed, 22 insertions, 0 deletions

diff --git a/libmdock/mdock-item.c b/libmdock/mdock-item.c
index 5b6e0f9..150af74 100644
--- a/libmdock/mdock-item.c
+++ b/libmdock/mdock-item.c
@@ -439,6 +439,15 @@ void mdock_item_close_all_windows(MDockItem *self)
 	}
 }
 
+void mdock_item_update_background(MDockItem *self)
+{
+	GtkWidget *widget = GTK_WIDGET(self);
+	GdkWindow *window = gtk_widget_get_window(widget);
+	g_return_if_fail(window);
+	gdk_window_set_back_pixmap(window, NULL, TRUE);
+	gtk_widget_queue_draw(widget);
+}
+
 void mdock_item_activate(MDockItem *self)
 {
 	if (self->priv->windows) {
diff --git a/libmdock/mdock-item.h b/libmdock/mdock-item.h
index 7379687..739c966 100644
--- a/libmdock/mdock-item.h
+++ b/libmdock/mdock-item.h
@@ -73,6 +73,8 @@ gboolean mdock_item_has_windows(MDockItem *self);
 
 void mdock_item_close_all_windows(MDockItem *self);
 
+void mdock_item_update_background(MDockItem *self);
+
 void mdock_item_activate(MDockItem *self);
 
 G_END_DECLS
diff --git a/libmdock/mdock-widget.c b/libmdock/mdock-widget.c
index b202f8a..74467a3 100644
--- a/libmdock/mdock-widget.c
+++ b/libmdock/mdock-widget.c
@@ -877,6 +877,12 @@ gint mdock_widget_get_n_items(MDockWidget *self)
 	return g_sequence_get_length(self->priv->items);
 }
 
+void mdock_widget_update_background(MDockWidget *self)
+{
+	g_sequence_foreach(self->priv->items,
+	                   (GFunc)mdock_item_update_background, NULL);
+}
+
 GtkWidget *mdock_widget_new(void)
 {
 	return GTK_WIDGET(g_object_new(MDOCK_TYPE_WIDGET, NULL));
diff --git a/libmdock/mdock-widget.h b/libmdock/mdock-widget.h
index 2c49b04..e3d941f 100644
--- a/libmdock/mdock-widget.h
+++ b/libmdock/mdock-widget.h
@@ -53,6 +53,8 @@ GType mdock_widget_get_type(void);
 
 gint mdock_widget_get_n_items(MDockWidget *widget);
 
+void mdock_widget_update_background(MDockWidget *widget);
+
 GtkWidget *mdock_widget_new(void);
 GtkWidget *mdock_widget_new_with_settings(GSettings *settings);
 GtkWidget *mdock_widget_new_with_settings_path(const gchar *path);
diff --git a/mate-applet/mdock-mate-panel-applet.c b/mate-applet/mdock-mate-panel-applet.c
index 4b3f070..25a167e 100644
--- a/mate-applet/mdock-mate-panel-applet.c
+++ b/mate-applet/mdock-mate-panel-applet.c
@@ -137,6 +137,9 @@ static void mdock_mate_panel_applet_init(MDockMatePanelApplet *self)
 	                            G_BINDING_DEFAULT,
 	                            transform_prefs_path_to_gsettings,
 	                            NULL, NULL, NULL);
+	g_signal_connect_object(self, "change-background",
+	                        G_CALLBACK(mdock_widget_update_background), self->dock,
+	                        G_CONNECT_SWAPPED);
 
 	GtkActionGroup *action_group = gtk_action_group_new("MDock Mate Panel Applet Actions");
 	gtk_action_group_add_actions(action_group,