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#881: test Auto in a fixed grid's count, scroll to the field instead of a fixed point

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bflatastic
2026-10-20 04:45:45 +07:00
parent a7d0648958
commit 0f95ce3d5b
1 changed files with 27 additions and 21 deletions
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crates/ui-egui/src/field_tests.rs
+27 -21
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@@ -576,43 +576,49 @@ fn grid_ui(grid: serde_json::Value) -> (Ui, NodeId) {
(u, f)
}
/// Scroll the Design panel down: the grid settings sit below the fold on the test screen.
fn scroll_panel(u: &mut Ui) {
/// Scroll the Design panel (over its own field `id`) until that field is on the test screen: the
/// grid settings sit below the fold.
fn scroll_to(u: &mut Ui, id: Id) {
let wheel = Event::MouseWheel {
unit: egui::MouseWheelUnit::Point,
delta: egui::vec2(0.0, -300.0),
phase: egui::TouchPhase::Move,
modifiers: Modifiers::NONE,
};
for _ in 0..4 {
u.frame(vec![Event::PointerMoved(pos2(1300.0, 600.0)), wheel.clone()]);
}
for _ in 0..5 {
u.frame(vec![]);
for _ in 0..10 {
let p = at(u, id);
if p.y < 860.0 {
break;
}
u.frame(vec![Event::PointerMoved(pos2(p.x, 500.0)), wheel.clone()]);
// Let the scroll settle.
for _ in 0..30 {
u.frame(vec![]);
}
}
}
/// The word for Auto types 0 only where 0 *is* the automatic value: a layout grid's width and
/// count do, an auto layout's gap (Auto there is "Space between") does not. Keying it on the
/// field's placeholder said 0 everywhere, which turned the gap's mode off.
/// The word for Auto types 0 only where 0 *is* the automatic value: a fixed layout grid's count
/// does, an auto layout's gap (Auto there is "Space between") does not. Keying it on the field's
/// placeholder said 0 everywhere, which turned the gap's mode off.
#[test]
fn typing_auto_is_zero_only_where_zero_is_the_automatic_value() {
let count_id = Id::new(("grid_field", "count", 0usize));
let (mut u, f) = grid_ui(json!({"kind": "columns", "align": "min", "count": 3, "size": 8, "gutter": 10}));
let size = |u: &Ui| u.app.session.doc().unwrap().node(f).unwrap().grids[0].size;
assert_eq!(size(&u), 8.0);
scroll_panel(&mut u);
type_at(&mut u, Id::new(("grid_field", "size", 0usize)), "Auto");
assert_eq!(size(&u), 0.0, "a grid's width: Auto is 0");
type_at(&mut u, Id::new(("grid_field", "size", 0usize)), "6");
assert_eq!(size(&u), 6.0, "and a number is that width");
let count = |u: &Ui| u.app.session.doc().unwrap().node(f).unwrap().grids[0].count;
scroll_to(&mut u, count_id);
type_at(&mut u, count_id, "Auto");
assert_eq!(count(&u), 0, "a fixed grid's count: Auto is 0");
type_at(&mut u, count_id, "4");
assert_eq!(count(&u), 4, "and a number is that count");
// A stretched grid works its width out from the frame: the field shows Auto and takes no edit.
let (mut u, f) = grid_ui(json!({"kind": "columns", "align": "stretch", "count": 3, "size": 0}));
scroll_panel(&mut u);
assert!(u.ctx.read_response(Id::new(("grid_field", "size", 0usize)).with("field")).is_some(), "the width row is shown");
type_at(&mut u, Id::new(("grid_field", "size", 0usize)), "40");
let size_id = Id::new(("grid_field", "size", 0usize));
scroll_to(&mut u, size_id);
type_at(&mut u, size_id, "40");
assert_eq!(u.app.session.doc().unwrap().node(f).unwrap().grids[0].size, 0.0, "a stretched grid's width isn't set");
// Nor its count: a stretched grid has at least one band, so the word commits nothing.
type_at(&mut u, Id::new(("grid_field", "count", 0usize)), "Auto");
type_at(&mut u, count_id, "Auto");
assert_eq!(u.app.session.doc().unwrap().node(f).unwrap().grids[0].count, 3, "a stretched grid keeps its count");
// The auto layout's gap: its placeholder says Auto, but Auto is a mode, not 0.