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Merged
GalaxyPhoenix716 merged 11 commits into from
Jul 19, 2026
Merged

Feature/controller methods extention #5

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9a228cb
feat: added customizable page indicator widget
Hirdaya-Shrestha Jul 15, 2026
d418ca7
feat: added controller methods extension
Hirdaya-Shrestha Jul 15, 2026
d642bec
fix: autoplay override state and page indicator modulo
Hirdaya-Shrestha Jul 18, 2026
f428e37
fix: page indicator boundary wrap, touch targets, ignore pointer
Hirdaya-Shrestha Jul 18, 2026
c5fbae9
style: dart format
Hirdaya-Shrestha Jul 18, 2026
3224449
Potential fix for pull request finding
Hirdaya-Shrestha Jul 18, 2026
8c07ece
style: dart format
Hirdaya-Shrestha Jul 18, 2026
d9bd701
Merge branch 'GalaxyPhoenix716:main' into feature/controller-methods-…
Hirdaya-Shrestha Jul 18, 2026
82d1774
fix: restore proper modulo for wrapping animation and add edge offset
Hirdaya-Shrestha Jul 18, 2026
255f612
fix: update tests for single GestureDetector indicator
Hirdaya-Shrestha Jul 18, 2026
2076993
fix: add hasClients guards and indicator assertions
Hirdaya-Shrestha Jul 19, 2026
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266 changes: 167 additions & 99 deletions example/lib/main.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -49,10 +49,16 @@ class _CoverflowDemoScreenState extends State<CoverflowDemoScreen> {
double _carouselHeight = 360.0;
bool _autoplay = false;
double _autoplayIntervalSeconds = 3.0;
bool _autoplayDirectionForward = true;
bool _enableShadow = true;
double _shadowElevation = 8.0;
double _cardCornerRadiusValue = 24.0;

// Page indicator settings
double _indicatorDotSize = 8.0;
double _indicatorDotSpacing = 12.0;
bool _indicatorUseThemeColor = true;

Axis _scrollDirection = Axis.horizontal;
bool _useCustomWidth = false;
double _carouselWidth = 340.0;
Expand Down Expand Up @@ -301,9 +307,14 @@ class _CoverflowDemoScreenState extends State<CoverflowDemoScreen> {
const SizedBox(height: 24),

// Dynamic Liquid Page Indicator
_CoverflowPageIndicator(
CoverflowPageIndicator(
controller: _controller,
itemCount: _demoCards.length,
pageListenable: _controller.pageListenable,
activeColor: _indicatorUseThemeColor
? Colors.pinkAccent
: Colors.white,
dotSize: _indicatorDotSize,
dotSpacing: _indicatorDotSpacing,
onTap: (index) {
_controller.animateTo(index);
},
Expand Down Expand Up @@ -478,6 +489,36 @@ class _CoverflowDemoScreenState extends State<CoverflowDemoScreen> {
),
suffix: 'px',
),
const Divider(
height: 32,
color: Colors.white24,
),
_GlassSlider(
title: 'Indicator Dot Size',
value: _indicatorDotSize,
min: 4.0,
max: 16.0,
onChanged: (val) =>
setState(() => _indicatorDotSize = val),
suffix: 'px',
),
_GlassSlider(
title: 'Indicator Dot Spacing',
value: _indicatorDotSpacing,
min: 4.0,
max: 24.0,
onChanged: (val) => setState(
() => _indicatorDotSpacing = val,
),
suffix: 'px',
),
_GlassSwitch(
title: 'Theme-colored Active Dot',
value: _indicatorUseThemeColor,
onChanged: (val) => setState(
() => _indicatorUseThemeColor = val,
),
),
] else if (_configTab == 1) ...[
// Tab 1: Motion settings
_GlassSwitch(
Expand All @@ -492,7 +533,7 @@ class _CoverflowDemoScreenState extends State<CoverflowDemoScreen> {
onChanged: (val) =>
setState(() => _autoplay = val),
),
if (_autoplay)
if (_autoplay) ...[
_GlassSlider(
title: 'Autoplay Speed (Interval)',
value: _autoplayIntervalSeconds,
Expand All @@ -504,13 +545,47 @@ class _CoverflowDemoScreenState extends State<CoverflowDemoScreen> {
),
suffix: 's',
),
_GlassSwitch(
title: 'Autoplay Direction',
value: _autoplayDirectionForward,
onChanged: (val) {
setState(
() => _autoplayDirectionForward = val,
);
_controller.setAutoplayDirection(val);
},
),
],
_GlassSwitch(
title: 'Mouse Scroll Wheel Navigation',
value: _enableScrollWheel,
onChanged: (val) => setState(
() => _enableScrollWheel = val,
),
),
const Divider(
height: 20,
color: Colors.white12,
),
_ProgrammaticAutoplayControls(
controller: _controller,
),
const Divider(
height: 20,
color: Colors.white12,
),
_GlassDropdown<int>(
title: 'Jump to Page',
value: _activePage,
items: List.generate(
_demoCards.length,
(i) => i,
),
onChanged: (val) {
if (val != null) _controller.jumpTo(val);
},
labelBuilder: (i) => 'Card #$i',
),
] else ...[
// Tab 2: VFX settings
_GlassDropdown<CoverflowEntryAnimation>(
Expand Down Expand Up @@ -709,112 +784,105 @@ class _AmbientBackdrop extends StatelessWidget {
}
}

/// Liquid sliding active pill page indicator
class _CoverflowPageIndicator extends StatelessWidget {
final int itemCount;
final ValueNotifier<double> pageListenable;
final void Function(int) onTap;
/// Row of buttons for programmatic autoplay control via the controller.
class _ProgrammaticAutoplayControls extends StatefulWidget {
final CoverflowCarouselController controller;

const _CoverflowPageIndicator({
required this.itemCount,
required this.pageListenable,
required this.onTap,
});
const _ProgrammaticAutoplayControls({required this.controller});

@override
Widget build(BuildContext context) {
const double dotSize = 8.0;
const double spacing = 12.0;
const double step = dotSize + spacing;

return ValueListenableBuilder<double>(
valueListenable: pageListenable,
builder: (context, page, _) {
final double t = page - page.floor();
final int floor = page.floor();

final double activeLeft;
final double activeWidth;

if (t < 0.5) {
activeLeft = (floor % itemCount) * step;
activeWidth = dotSize + (t / 0.5) * step;
} else {
activeLeft = (floor % itemCount) * step + ((t - 0.5) / 0.5) * step;
activeWidth = dotSize + (1.0 - (t - 0.5) / 0.5) * step;
}

final int indexA = floor % itemCount;
final int indexB = (floor + 1) % itemCount;

final double left;
final double width;
State<_ProgrammaticAutoplayControls> createState() =>
_ProgrammaticAutoplayControlsState();
}

if (indexB == 0 && t > 0.0) {
if (t < 0.5) {
left = indexA * step;
width = dotSize + (t / 0.5) * step;
} else {
left = 0;
width = dotSize + (1.0 - (t - 0.5) / 0.5) * step;
}
} else {
left = activeLeft;
width = activeWidth;
}
class _ProgrammaticAutoplayControlsState
extends State<_ProgrammaticAutoplayControls> {
bool _running = false;

return Container(
height: 24,
alignment: Alignment.center,
child: SizedBox(
width: itemCount * dotSize + (itemCount - 1) * spacing,
height: dotSize,
child: Stack(
clipBehavior: Clip.none,
children: [
...List.generate(itemCount, (i) {
return Positioned(
left: i * step,
top: 0,
width: dotSize,
height: dotSize,
child: GestureDetector(
onTap: () => onTap(i),
child: Container(
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Colors.white.withValues(alpha: 0.15),
),
),
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Controller Autoplay Override',
style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500),
),
const SizedBox(height: 8),
Row(
children: [
Expanded(
child: InkWell(
borderRadius: BorderRadius.circular(10),
onTap: _running
? null
: () {
widget.controller.startAutoplay();
setState(() => _running = true);
},
child: Container(
padding: const EdgeInsets.symmetric(vertical: 10),
decoration: BoxDecoration(
color: _running
? Colors.white.withValues(alpha: 0.05)
: Colors.greenAccent.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(10),
border: Border.all(
color: _running
? Colors.white12
: Colors.greenAccent.withValues(alpha: 0.3),
),
);
}),
Positioned(
left: left,
top: 0,
width: width,
height: dotSize,
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(dotSize / 2),
gradient: const LinearGradient(
colors: [Colors.pinkAccent, Colors.purpleAccent],
),
boxShadow: [
BoxShadow(
color: Colors.pinkAccent.withValues(alpha: 0.4),
blurRadius: 8,
spreadRadius: 1,
),
],
),
alignment: Alignment.center,
child: Text(
'Start',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.bold,
color: _running ? Colors.white38 : Colors.greenAccent,
),
),
),
],
),
),
),
);
},
const SizedBox(width: 8),
Expanded(
child: InkWell(
borderRadius: BorderRadius.circular(10),
onTap: !_running
? null
: () {
widget.controller.stopAutoplay();
setState(() => _running = false);
},
child: Container(
padding: const EdgeInsets.symmetric(vertical: 10),
decoration: BoxDecoration(
color: !_running
? Colors.white.withValues(alpha: 0.05)
: Colors.redAccent.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(10),
border: Border.all(
color: !_running
? Colors.white12
: Colors.redAccent.withValues(alpha: 0.3),
),
),
alignment: Alignment.center,
child: Text(
'Stop',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.bold,
color: !_running ? Colors.white38 : Colors.redAccent,
),
),
),
),
),
],
),
],
);
}
}
Expand Down
2 changes: 1 addition & 1 deletion example/pubspec.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ packages:
path: ".."
relative: true
source: path
version: "2.0.0"
version: "2.0.1"
fake_async:
dependency: transitive
description:
Expand Down
1 change: 1 addition & 0 deletions lib/coverflow_carousel.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -6,3 +6,4 @@ library;

export 'src/coverflow_carousel.dart';
export 'src/coverflow_carousel_controller.dart';
export 'src/coverflow_page_indicator.dart';
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