pub trait DialogExt: 'static {
// Required methods
fn add_action_widget(
&self,
child: &impl IsA<Widget>,
response_id: ResponseType
);
fn add_button(&self, button_text: &str, response_id: ResponseType) -> Widget;
fn content_area(&self) -> Box;
fn header_bar(&self) -> HeaderBar;
fn widget_for_response(&self, response_id: ResponseType) -> Option<Widget>;
fn response(&self, response_id: ResponseType);
fn set_default_response(&self, response_id: ResponseType);
fn set_response_sensitive(&self, response_id: ResponseType, setting: bool);
fn use_header_bar(&self) -> i32;
fn connect_close<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
fn emit_close(&self);
fn connect_response<F: Fn(&Self, ResponseType) + 'static>(
&self,
f: F
) -> SignalHandlerId;
}