diff options
Diffstat (limited to 'native/src/overlay/element.rs')
| -rw-r--r-- | native/src/overlay/element.rs | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/native/src/overlay/element.rs b/native/src/overlay/element.rs index b919c221..4f5ef32a 100644 --- a/native/src/overlay/element.rs +++ b/native/src/overlay/element.rs @@ -104,9 +104,9 @@ where .draw(renderer, theme, style, layout, cursor_position) } - /// Applies an [`Operation`] to the [`Element`]. + /// Applies a [`widget::Operation`] to the [`Element`]. pub fn operate( - &self, + &mut self, layout: Layout<'_>, operation: &mut dyn widget::Operation<Message>, ) { @@ -141,6 +141,57 @@ where self.content.layout(renderer, bounds, position) } + fn operate( + &mut self, + layout: Layout<'_>, + operation: &mut dyn widget::Operation<B>, + ) { + struct MapOperation<'a, B> { + operation: &'a mut dyn widget::Operation<B>, + } + + impl<'a, T, B> widget::Operation<T> for MapOperation<'a, B> { + fn container( + &mut self, + id: Option<&widget::Id>, + operate_on_children: &mut dyn FnMut( + &mut dyn widget::Operation<T>, + ), + ) { + self.operation.container(id, &mut |operation| { + operate_on_children(&mut MapOperation { operation }); + }); + } + + fn focusable( + &mut self, + state: &mut dyn widget::operation::Focusable, + id: Option<&widget::Id>, + ) { + self.operation.focusable(state, id); + } + + fn scrollable( + &mut self, + state: &mut dyn widget::operation::Scrollable, + id: Option<&widget::Id>, + ) { + self.operation.scrollable(state, id); + } + + fn text_input( + &mut self, + state: &mut dyn widget::operation::TextInput, + id: Option<&widget::Id>, + ) { + self.operation.text_input(state, id) + } + } + + self.content + .operate(layout, &mut MapOperation { operation }); + } + fn on_event( &mut self, event: Event, |