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Implement explicit text caching in the widget state tree

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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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13
widget/src/pane_grid.rs
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@ -275,10 +275,12 @@ where
fn layout(
&self,
tree: &Tree,
renderer: &Renderer,
limits: &layout::Limits,
) -> layout::Node {
layout(
tree,
renderer,
limits,
self.contents.layout(),
@ -286,7 +288,9 @@ where
self.height,
self.spacing,
self.contents.iter(),
|content, renderer, limits| content.layout(renderer, limits),
|content, tree, renderer, limits| {
content.layout(tree, renderer, limits)
},
)
}
@ -471,6 +475,7 @@ where
/// Calculates the [`Layout`] of a [`PaneGrid`].
pub fn layout<Renderer, T>(
tree: &Tree,
renderer: &Renderer,
limits: &layout::Limits,
node: &Node,
@ -478,19 +483,21 @@ pub fn layout<Renderer, T>(
height: Length,
spacing: f32,
contents: impl Iterator<Item = (Pane, T)>,
layout_content: impl Fn(T, &Renderer, &layout::Limits) -> layout::Node,
layout_content: impl Fn(T, &Tree, &Renderer, &layout::Limits) -> layout::Node,
) -> layout::Node {
let limits = limits.width(width).height(height);
let size = limits.resolve(Size::ZERO);
let regions = node.pane_regions(spacing, size);
let children = contents
.filter_map(|(pane, content)| {
.zip(tree.children.iter())
.filter_map(|((pane, content), tree)| {
let region = regions.get(&pane)?;
let size = Size::new(region.width, region.height);
let mut node = layout_content(
content,
tree,
renderer,
&layout::Limits::new(size, size),
);