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feat: accept edge swipes across the whole margin beside the text column

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randogoth 2026-10-11 11:53:27 +03:00
parent 56f3d959fa
commit 6f9c0e587a
3 changed files with 70 additions and 9 deletions
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43
app/test/swipe_navigator_test.dart
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@ -20,8 +20,10 @@ SwipeNavigator _navigator({
required VoidCallback onForward,
bool canGoBack = true,
bool canGoForward = true,
double? contentWidth,
}) =>
SwipeNavigator(
contentWidth: contentWidth,
canGoBack: canGoBack,
canGoForward: canGoForward,
backTitle: 'Previous page',
@ -101,6 +103,47 @@ void main() {
expect(find.text('Previous page'), findsNothing);
});
testWidgets('swipes anywhere in the margin beside the column',
(tester) async {
var back = 0;
await tester.pumpWidget(_wrap(_navigator(
onBack: () => back++,
onForward: () {},
// A 40em column leaves 200px margins on an 800px surface.
contentWidth: 400,
)));
final center = tester.getCenter(find.byType(SwipeNavigator));
// Deep inside the left margin, far past the base edge zone.
final gesture = await tester.startGesture(Offset(180, center.dy));
await gesture.moveBy(const Offset(300, 0));
await tester.pump();
expect(find.text('Previous page'), findsOneWidget);
await gesture.up();
await tester.pumpAndSettle();
expect(back, 1);
});
testWidgets('drags over the content column still belong to selection',
(tester) async {
var back = 0;
await tester.pumpWidget(_wrap(_navigator(
onBack: () => back++,
onForward: () {},
contentWidth: 400,
)));
final center = tester.getCenter(find.byType(SwipeNavigator));
// Inside the column: no swipe, nothing peeks.
final gesture = await tester.startGesture(Offset(400, center.dy));
await gesture.moveBy(const Offset(300, 0));
await tester.pump();
expect(find.text('Previous page'), findsNothing);
await gesture.up();
await tester.pumpAndSettle();
expect(back, 0);
});
testWidgets('directions without pages rubber-band and never commit',
(tester) async {
var back = 0;