Implement View for Box<View>
@@ -148,6 +148,42 @@ pub trait View {
}
}
+use std::ops::{Deref, DerefMut};
+impl View for Box<View> {
+ fn draw(&self, printer: &Printer) {
+ self.deref().draw(printer)
+ }
+
+ fn required_size(&mut self, req: Vec2) -> Vec2 {
+ self.deref_mut().required_size(req)
+ }
+
+ fn on_event(&mut self, ch: Event) -> EventResult {
+ self.deref_mut().on_event(ch)
+ }
+
+ fn layout(&mut self, size: Vec2) {
+ self.deref_mut().layout(size);
+ }
+
+ fn take_focus(&mut self, source: Direction) -> bool {
+ self.deref_mut().take_focus(source)
+ }
+
+ fn call_on_any<'a>(&mut self, selector: &Selector,
+ callback: Box<FnMut(&mut Any) + 'a>) {
+ self.deref_mut().call_on_any(selector, callback)
+ }
+
+ fn needs_relayout(&self) -> bool {
+ self.deref().needs_relayout()
+ }
+
+ fn focus_view(&mut self, selector: &Selector) -> Result<(), ()> {
+ self.deref_mut().focus_view(selector)
+ }
+}
+
/// Provides `call_on<V: View>` to views.
///
/// This trait is mostly a wrapper around [`View::call_on_any`].
