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fix: refactor dnd impl to support responsive widget

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This commit is contained in:
Ashley Wulber 2024-05-31 19:10:51 -04:00 • committed by Ashley Wulber
parent 9af083e0c5
commit 173ddca60f
12 changed files with 61 additions and 27 deletions
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25
src/widget/dnd_source.rs
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@ -1,3 +1,5 @@
use std::any::Any;
use crate::{
iced::{
clipboard::dnd::{DndAction, DndEvent, SourceEvent},
@ -167,9 +169,12 @@ impl<
iced_core::widget::OperationOutputWrapper<Message>,
>,
) {
self.container
.as_widget()
.operate(&mut tree.children[0], layout, renderer, operation);
operation.custom((&mut tree.state) as &mut dyn Any, Some(&self.id));
operation.container(Some(&self.id), layout.bounds(), &mut |operation| {
self.container
.as_widget()
.operate(&mut tree.children[0], layout, renderer, operation)
});
}
fn on_event(
@ -205,6 +210,7 @@ impl<
}
state.left_pressed_position = Some(position);
// dbg!(&state, &self.id);
return event::Status::Captured;
}
}
@ -223,6 +229,7 @@ impl<
return ret;
}
if let Some(left_pressed_position) = state.left_pressed_position {
// dbg!(&state);
if position.distance(left_pressed_position) > self.drag_threshold {
self.start_dnd(clipboard, state.cached_bounds);
state.is_dragging = true;
@ -311,11 +318,15 @@ impl<
&self,
state: &Tree,
layout: layout::Layout<'_>,
renderer: &crate::Renderer,
dnd_rectangles: &mut iced_style::core::clipboard::DndDestinationRectangles,
) {
self.container
.as_widget()
.drag_destinations(&state.children[0], layout, dnd_rectangles);
self.container.as_widget().drag_destinations(
&state.children[0],
layout,
renderer,
dnd_rectangles,
);
}
fn id(&self) -> Option<Id> {
@ -340,7 +351,7 @@ impl<
}
/// Local state of the [`MouseListener`].
#[derive(Default)]
#[derive(Debug, Default)]
struct State {
hovered: bool,
left_pressed_position: Option<Point>,