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Adds tests for new UiDebugOverlay features into testbed_ui #22673

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Adds tests for new UiDebugOverlay features into testbed_ui #22673

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86fa771
test: adds outline debug to testbed
kfc35 Jan 23, 2026
8bbd0d1
test: adds scrollbar outline tests to debug ui testbed
kfc35 Jan 23, 2026
406fcfe
test: add border radius to a corner for debug outline test
kfc35 Jan 23, 2026
d1cca6c
test: adds ScrollPositions, varies widths and heights of scroll sections
kfc35 Jan 23, 2026
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166 changes: 165 additions & 1 deletion examples/testbed/ui.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1403,7 +1403,7 @@ mod debug_outlines {
.spawn((
Node {
width: percent(100),
height: percent(100),
height: percent(50),
align_items: AlignItems::Center,
justify_content: JustifyContent::SpaceAround,
..default()
Expand Down Expand Up @@ -1461,6 +1461,170 @@ mod debug_outlines {
));
});
});

commands
.spawn((
Node {
width: percent(100),
height: percent(50),
top: percent(50),
align_items: AlignItems::Center,
justify_content: JustifyContent::SpaceAround,
..default()
},
DespawnOnExit(super::Scene::DebugOutlines),
))
.with_children(|parent| {
parent.spawn((
Node {
width: px(200),
height: px(200),
border: UiRect {
top: px(10),
bottom: px(20),
left: px(30),
right: px(40),
},
border_radius: BorderRadius::bottom_right(px(10)),
padding: UiRect {
top: px(40),
bottom: px(30),
left: px(20),
right: px(10),
},
..default()
},
children![(
Text::new("border padding content outlines"),
TextFont::default(),
UiDebugOptions {
enabled: false,
..default()
}
)],
UiDebugOptions {
outline_border_box: true,
outline_padding_box: true,
outline_content_box: true,
ignore_border_radius: false,
..*debug_options
},
));

// Vertical scrollbar (non-functional)
parent.spawn((
Node {
flex_direction: FlexDirection::Column,
width: px(90),
height: px(230),
overflow: Overflow::scroll_y(),
scrollbar_width: 20.,
..default()
},
ScrollPosition(Vec2::new(180., 180.)),
UiDebugOptions {
line_width: 3.,
outline_scrollbars: true,
show_hidden: false,
show_clipped: false,
..*debug_options
},
Children::spawn(SpawnIter((0..20).map(move |i| {
(
Node::default(),
children![(
Text(format!("Item {i}")),
UiDebugOptions {
enabled: false,
..default()
}
)],
UiDebugOptions {
enabled: false,
..default()
},
)
}))),
));

// Horizontal scrollbar (non-functional)
parent.spawn((
Node {
flex_direction: FlexDirection::Row,
width: px(156),
height: px(70),
overflow: Overflow::scroll_x(),
scrollbar_width: 10.,
..default()
},
UiDebugOptions {
line_width: 3.,
outline_scrollbars: true,
show_hidden: false,
show_clipped: false,
..*debug_options
},
Children::spawn(SpawnIter((0..20).map(move |i| {
(
Node::default(),
children![(
Text(format!("Item {i}")),
UiDebugOptions {
enabled: false,
..default()
}
)],
UiDebugOptions {
enabled: false,
..default()
},
)
}))),
));

// bi-directional scrollbar (non-functional)
parent.spawn((
Node {
flex_direction: FlexDirection::Column,
width: px(230),
height: px(125),
overflow: Overflow::scroll(),
scrollbar_width: 20.,
..default()
},
ScrollPosition(Vec2::new(300., 0.)),
UiDebugOptions {
line_width: 3.,
outline_scrollbars: true,
show_hidden: false,
show_clipped: false,
..*debug_options
},
Children::spawn(SpawnIter((0..6).map(move |i| {
(
Node {
flex_direction: FlexDirection::Row,
..default()
},
Children::spawn(SpawnIter((0..6).map({
move |j| {
(
Text(format!("Item {}", (i * 5) + j)),
UiDebugOptions {
enabled: false,
..default()
},
)
}
}))),
UiDebugOptions {
enabled: false,
..default()
},
)
}))),
));
});
}

pub fn teardown(mut debug_options: ResMut<UiDebugOptions>) {
Expand Down