gboolean modest_ui_dimming_rules_on_delete_msgs (ModestWindow *win, gpointer user_data);
gboolean modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data);
gboolean modest_ui_dimming_rules_on_delete_msgs (ModestWindow *win, gpointer user_data);
gboolean modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data);