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#352: keep the highlighted font in view in a shorter list

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Where the window has less room the font list is shorter than its tallest,
and stepping down left the highlighted row cut off at the bottom. The
scroll now uses the list's height as last drawn.
This commit is contained in:
bflatastic
2026-10-15 19:12:26 +07:00
parent 62ed3452d6
commit 8f58c39bd7
1 changed files with 5 additions and 4 deletions
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crates/ui-egui/src/typography.rs
+5 -4
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@@ -1161,10 +1161,11 @@ pub(crate) fn font_picker(ui: &mut Ui, current: Option<&str>, just_opened: bool)
}
}
if let Some(i) = hi {
// Scrolled just enough to show it.
let seen: f32 = ui.data(|d| d.get_temp(hi_id.with("offset"))).unwrap_or(0.0);
// Scrolled just enough to show it (the list is shorter than its tallest where the
// window has less room).
let (seen, height): (f32, f32) = ui.data(|d| d.get_temp(hi_id.with("view"))).unwrap_or((0.0, LIST_HEIGHT));
let top = i as f32 * stride;
offset = Some(seen.max(top + stride - LIST_HEIGHT).min(top));
offset = Some(seen.max(top + stride - height).min(top));
}
}
match hi {
@@ -1231,7 +1232,7 @@ pub(crate) fn font_picker(ui: &mut Ui, current: Option<&str>, just_opened: bool)
}
}
});
ui.data_mut(|d| d.insert_temp(hi_id.with("offset"), shown.state.offset.y));
ui.data_mut(|d| d.insert_temp(hi_id.with("view"), (shown.state.offset.y, shown.inner_rect.height())));
FontPick { highlighted: hi.and_then(family), picked }
}