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Remove internal State from responsive

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This commit is contained in:
Héctor Ramón Jiménez 2025-08-20 23:31:35 +02:00
parent 497ebcd0c3
commit 6f72ac4650
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GPG key ID: 7CC46565708259A7
1 changed files with 11 additions and 27 deletions
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38
widget/src/lazy/responsive.rs
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@ -46,23 +46,18 @@ where
}
}
struct State {
tree: Tree,
}
impl<Message, Theme, Renderer> Widget<Message, Theme, Renderer>
for Responsive<'_, Message, Theme, Renderer>
where
Renderer: core::Renderer,
{
fn tag(&self) -> tree::Tag {
tree::Tag::of::<State>()
struct Marker;
tree::Tag::of::<Marker>()
}
fn state(&self) -> tree::State {
tree::State::new(State {
tree: Tree::empty(),
})
fn diff(&mut self, _tree: &mut Tree) {
// Diff is deferred to layout
}
fn size(&self) -> Size<Length> {
@ -78,14 +73,13 @@ where
renderer: &Renderer,
limits: &layout::Limits,
) -> layout::Node {
let state = tree.state.downcast_mut::<State>();
let size = limits.max();
self.content = (self.view)(size);
state.tree.diff(&mut self.content);
tree.diff_children(std::slice::from_mut(&mut self.content));
self.content.as_widget_mut().layout(
&mut state.tree,
&mut tree.children[0],
renderer,
&limits.loose(),
)
@ -102,10 +96,8 @@ where
shell: &mut Shell<'_, Message>,
viewport: &Rectangle,
) {
let state = tree.state.downcast_mut::<State>();
self.content.as_widget_mut().update(
&mut state.tree,
&mut tree.children[0],
event,
layout,
cursor,
@ -126,10 +118,8 @@ where
cursor: mouse::Cursor,
viewport: &Rectangle,
) {
let state = tree.state.downcast_ref::<State>();
self.content.as_widget().draw(
&state.tree,
&tree.children[0],
renderer,
theme,
style,
@ -147,10 +137,8 @@ where
viewport: &Rectangle,
renderer: &Renderer,
) -> mouse::Interaction {
let state = tree.state.downcast_ref::<State>();
self.content.as_widget().mouse_interaction(
&state.tree,
&tree.children[0],
layout,
cursor,
viewport,
@ -165,10 +153,8 @@ where
renderer: &Renderer,
operation: &mut dyn widget::Operation,
) {
let state = tree.state.downcast_mut::<State>();
self.content.as_widget_mut().operate(
&mut state.tree,
&mut tree.children[0],
layout,
renderer,
operation,
@ -183,10 +169,8 @@ where
viewport: &Rectangle,
translation: Vector,
) -> Option<overlay::Element<'a, Message, Theme, Renderer>> {
let state = tree.state.downcast_mut::<State>();
self.content.as_widget_mut().overlay(
&mut state.tree,
&mut tree.children[0],
layout,
renderer,
viewport,