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Fix Context::repaint_causes returning no causes #4248

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merged 1 commit into from
Mar 27, 2024
Merged

Fix Context::repaint_causes returning no causes #4248

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10 changes: 8 additions & 2 deletions crates/egui/src/context.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -252,7 +252,7 @@ struct ViewportState {
}

/// What called [`Context::request_repaint`]?
#[derive(Clone, Debug)]
#[derive(Clone)]
pub struct RepaintCause {
/// What file had the call that requested the repaint?
pub file: &'static str,
Expand All @@ -261,6 +261,12 @@ pub struct RepaintCause {
pub line: u32,
}

impl std::fmt::Debug for RepaintCause {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}:{}", self.file, self.line)
}
}

impl RepaintCause {
/// Capture the file and line number of the call site.
#[allow(clippy::new_without_default)]
Expand Down Expand Up @@ -1465,7 +1471,7 @@ impl Context {
self.read(|ctx| {
ctx.viewports
.get(&ctx.viewport_id())
.map(|v| v.repaint.causes.clone())
.map(|v| v.repaint.prev_causes.clone())
})
.unwrap_or_default()
}
Expand Down
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