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Implement explicit text caching in the widget state tree

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This commit is contained in:
Héctor Ramón Jiménez 2023-08-30 04:31:21 +02:00
parent c9bd48704d
commit ed3454301e
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GPG key ID: 140CC052C94F138E
79 changed files with 1910 additions and 1705 deletions
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17
widget/src/tooltip.rs
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@ -107,11 +107,14 @@ where
Renderer::Theme: container::StyleSheet + crate::text::StyleSheet,
{
fn children(&self) -> Vec<widget::Tree> {
vec![widget::Tree::new(&self.content)]
vec![
widget::Tree::new(&self.content),
widget::Tree::new(&self.tooltip as &dyn Widget<Message, _>),
]
}
fn diff(&self, tree: &mut widget::Tree) {
tree.diff_children(std::slice::from_ref(&self.content))
tree.diff_children(&[self.content.as_widget(), &self.tooltip])
}
fn state(&self) -> widget::tree::State {
@ -132,10 +135,11 @@ where
fn layout(
&self,
tree: &widget::Tree,
renderer: &Renderer,
limits: &layout::Limits,
) -> layout::Node {
self.content.as_widget().layout(renderer, limits)
self.content.as_widget().layout(tree, renderer, limits)
}
fn on_event(
@ -214,8 +218,10 @@ where
) -> Option<overlay::Element<'b, Message, Renderer>> {
let state = tree.state.downcast_ref::<State>();
let mut children = tree.children.iter_mut();
let content = self.content.as_widget_mut().overlay(
&mut tree.children[0],
children.next().unwrap(),
layout,
renderer,
);
@ -225,6 +231,7 @@ where
layout.position(),
Box::new(Overlay {
tooltip: &self.tooltip,
state: children.next().unwrap(),
cursor_position,
content_bounds: layout.bounds(),
snap_within_viewport: self.snap_within_viewport,
@ -295,6 +302,7 @@ where
Renderer::Theme: container::StyleSheet + widget::text::StyleSheet,
{
tooltip: &'b Text<'a, Renderer>,
state: &'b widget::Tree,
cursor_position: Point,
content_bounds: Rectangle,
snap_within_viewport: bool,
@ -320,6 +328,7 @@ where
let text_layout = Widget::<(), Renderer>::layout(
self.tooltip,
self.state,
renderer,
&layout::Limits::new(
Size::ZERO,