+static gboolean modest_window_zoom_plus_default (ModestWindow *window);
+
+static gboolean modest_window_zoom_minus_default (ModestWindow *window);
+
+static void modest_window_disconnect_signals_default (ModestWindow *self);
+
+static void modest_window_show_toolbar_default (ModestWindow *window,
+ gboolean show_toolbar);
+
+static void modest_window_set_zoom_default (ModestWindow *window,
+ gdouble zoom);
+
+static gboolean on_key_pressed (GtkWidget *self, GdkEventKey *event, gpointer user_data);