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Fix scroll area size clipping to screen rect

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This commit is contained in:
Emil Ernerfeldt 2021-10-10 17:14:22 +02:00
parent e547b149ca
commit fc45b6fdf2
1 changed files with 12 additions and 8 deletions
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18
egui/src/containers/scroll_area.rs
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@ -464,14 +464,18 @@ impl Prepared {
let mut inner_rect = Rect::from_min_size(inner_rect.min, inner_size);
// The window that egui sits in can't be expanded by egui, so we need to respect it:
let max_x =
ui.input().screen_rect().right() - current_bar_use.x - ui.spacing().item_spacing.x;
inner_rect.max.x = inner_rect.max.x.at_most(max_x);
let max_y =
ui.input().screen_rect().bottom() - current_bar_use.y - ui.spacing().item_spacing.y;
inner_rect.max.y = inner_rect.max.y.at_most(max_y);
for d in 0..2 {
if !has_bar[d] {
// HACK for when we have a vertical-only scroll area in a top level panel,
// and that panel is not wide enough for the contents.
// This code ensures we still see the scroll bar!
let max = ui.input().screen_rect().max[d]
- current_bar_use[d]
- ui.spacing().item_spacing[d];
inner_rect.max[d] = inner_rect.max[d].at_most(max);
// TODO: maybe auto-enable horizontal/vertical scrolling if this limit is reached
}
}
inner_rect
};