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feat: change grid size with gesture (#20455)

pull/20456/head^2
Alex 2025-07-31 21:02:28 +07:00 committed by GitHub
parent a07531be3b
commit 4bd465e752
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GPG Key ID: B5690EEEBB952194
1 changed files with 85 additions and 34 deletions
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119
mobile/lib/presentation/widgets/timeline/timeline.widget.dart
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@ -3,6 +3,7 @@ import 'dart:math' as math;
import 'package:collection/collection.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
@ -88,10 +89,23 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
final _scrollController = ScrollController();
StreamSubscription? _eventSubscription;
int _perRow = 4;
double _scaleFactor = 3.0;
double _baseScaleFactor = 3.0;
@override
void initState() {
super.initState();
_eventSubscription = EventStream.shared.listen(_onEvent);
WidgetsBinding.instance.addPostFrameCallback((_) {
final currentTilesPerRow = ref.read(settingsProvider).get(Setting.tilesPerRow);
setState(() {
_perRow = currentTilesPerRow;
_scaleFactor = 7.0 - _perRow;
_baseScaleFactor = _scaleFactor;
});
});
}
void _onEvent(Event event) {
@ -177,43 +191,72 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
return PrimaryScrollController(
controller: _scrollController,
child: Stack(
children: [
Scrubber(
layoutSegments: segments,
timelineHeight: maxHeight,
topPadding: topPadding,
bottomPadding: bottomPadding,
monthSegmentSnappingOffset: widget.topSliverWidgetHeight ?? 0 + appBarExpandedHeight,
child: CustomScrollView(
primary: true,
cacheExtent: maxHeight * 2,
slivers: [
if (isSelectionMode) const SelectionSliverAppBar() else if (widget.appBar != null) widget.appBar!,
if (widget.topSliverWidget != null) widget.topSliverWidget!,
_SliverSegmentedList(
segments: segments,
delegate: SliverChildBuilderDelegate(
(ctx, index) {
if (index >= childCount) return null;
final segment = segments.findByIndex(index);
return segment?.builder(ctx, index) ?? const SizedBox.shrink();
},
childCount: childCount,
addAutomaticKeepAlives: false,
// We add repaint boundary around tiles, so skip the auto boundaries
addRepaintBoundaries: false,
child: RawGestureDetector(
gestures: {
CustomScaleGestureRecognizer: GestureRecognizerFactoryWithHandlers<CustomScaleGestureRecognizer>(
() => CustomScaleGestureRecognizer(),
(CustomScaleGestureRecognizer scale) {
scale.onStart = (details) {
_baseScaleFactor = _scaleFactor;
};
scale.onUpdate = (details) {
final newScaleFactor = math.max(math.min(5.0, _baseScaleFactor * details.scale), 1.0);
final newPerRow = 7 - newScaleFactor.toInt();
if (newPerRow != _perRow) {
setState(() {
_scaleFactor = newScaleFactor;
_perRow = newPerRow;
});
ref.read(settingsProvider.notifier).set(Setting.tilesPerRow, _perRow);
}
};
},
),
},
child: Stack(
children: [
Scrubber(
layoutSegments: segments,
timelineHeight: maxHeight,
topPadding: topPadding,
bottomPadding: bottomPadding,
monthSegmentSnappingOffset: widget.topSliverWidgetHeight ?? 0 + appBarExpandedHeight,
child: CustomScrollView(
primary: true,
cacheExtent: maxHeight * 2,
slivers: [
if (isSelectionMode)
const SelectionSliverAppBar()
else if (widget.appBar != null)
widget.appBar!,
if (widget.topSliverWidget != null) widget.topSliverWidget!,
_SliverSegmentedList(
segments: segments,
delegate: SliverChildBuilderDelegate(
(ctx, index) {
if (index >= childCount) return null;
final segment = segments.findByIndex(index);
return segment?.builder(ctx, index) ?? const SizedBox.shrink();
},
childCount: childCount,
addAutomaticKeepAlives: false,
// We add repaint boundary around tiles, so skip the auto boundaries
addRepaintBoundaries: false,
),
),
),
const SliverPadding(padding: EdgeInsets.only(bottom: scrubberBottomPadding)),
],
const SliverPadding(padding: EdgeInsets.only(bottom: scrubberBottomPadding)),
],
),
),
),
if (!isSelectionMode && isMultiSelectEnabled) ...[
const Positioned(top: 60, left: 25, child: _MultiSelectStatusButton()),
if (widget.bottomSheet != null) widget.bottomSheet!,
if (!isSelectionMode && isMultiSelectEnabled) ...[
const Positioned(top: 60, left: 25, child: _MultiSelectStatusButton()),
if (widget.bottomSheet != null) widget.bottomSheet!,
],
],
],
),
),
);
},
@ -443,3 +486,11 @@ class _MultiSelectStatusButton extends ConsumerWidget {
);
}
}
/// accepts a gesture even though it should reject it (because child won)
class CustomScaleGestureRecognizer extends ScaleGestureRecognizer {
@override
void rejectGesture(int pointer) {
acceptGesture(pointer);
}
}