flutter_show_menu 0.3.0 
flutter_show_menu: ^0.3.0 copied to clipboard
OverlayEntry-based showMenu replacement. Position menus top, bottom, left, or right of any widget with start, center, end alignment.
example/lib/main.dart
import 'package:flutter/material.dart';
import 'package:flutter_show_menu/flutter_show_menu.dart';
void main() {
runApp(const PlaygroundApp());
}
class PlaygroundApp extends StatefulWidget {
const PlaygroundApp({super.key});
@override
State<PlaygroundApp> createState() => _PlaygroundAppState();
}
class _PlaygroundAppState extends State<PlaygroundApp> {
bool _isDark = false;
Color _seedColor = Colors.deepPurple;
static const _seedColors = {
'Deep Purple': Colors.deepPurple,
'Blue': Colors.blue,
'Teal': Colors.teal,
'Orange': Colors.orange,
'Pink': Colors.pink,
'Green': Colors.green,
};
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'OverlayMenu Playground',
debugShowCheckedModeBanner: false,
themeMode: _isDark ? ThemeMode.dark : ThemeMode.light,
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: _seedColor),
),
darkTheme: ThemeData(
colorScheme: ColorScheme.fromSeed(
seedColor: _seedColor,
brightness: Brightness.dark,
),
),
home: PlaygroundPage(
isDark: _isDark,
seedColor: _seedColor,
seedColors: _seedColors,
onThemeToggle: () => setState(() => _isDark = !_isDark),
onSeedColorChanged: (c) => setState(() => _seedColor = c),
),
);
}
}
class PlaygroundPage extends StatefulWidget {
const PlaygroundPage({
super.key,
required this.isDark,
required this.seedColor,
required this.seedColors,
required this.onThemeToggle,
required this.onSeedColorChanged,
});
final bool isDark;
final Color seedColor;
final Map<String, Color> seedColors;
final VoidCallback onThemeToggle;
final ValueChanged<Color> onSeedColorChanged;
@override
State<PlaygroundPage> createState() => _PlaygroundPageState();
}
class _PlaygroundPageState extends State<PlaygroundPage> {
// Menu config
MenuPosition _position = MenuPosition.bottom;
MenuAlignment _alignment = MenuAlignment.start;
double _offsetX = 0;
double _offsetY = 0;
double _borderRadius = 8;
double _itemBorderRadius = 0;
double _itemHeight = 48;
double _itemPaddingH = 16;
double _itemPaddingV = 0;
double _menuPaddingH = 0;
double _menuPaddingV = 4;
double _maxHeight = 0; // 0 = no limit
double _selectedBorderWidth = 0;
double _animDuration = 150;
int _itemCount = 4;
bool _barrierDismissible = true;
bool _showBarrierColor = false;
bool _useCustomWidth = false;
double _customWidth = 200;
// Style colors (null = disabled/default)
Color? _backgroundColor;
Color? _hoverColor;
Color? _splashColor;
Color? _selectedBgColor;
Color? _selectedTextColor;
Color? _dividerColor;
double _dividerIndent = 0;
double _dividerEndIndent = 0;
Color? _scrollbarColor;
double _scrollbarThickness = 4;
double _scrollbarRadius = 8;
bool _scrollbarAlwaysVisible = false;
bool _showSelectedState = false;
bool _showPrefixIcons = false;
bool _showDividers = false;
bool _showHeader = false;
double _headerHeight = 48;
double _headerPaddingH = 16;
double _headerPaddingV = 0;
double _headerBorderRadius = 0;
Color? _headerHoverColor;
Color? _headerSplashColor;
bool _showFooter = false;
double _footerHeight = 48;
double _footerPaddingH = 16;
double _footerPaddingV = 0;
double _footerBorderRadius = 0;
Color? _footerHoverColor;
Color? _footerSplashColor;
// Button config
double _buttonWidth = 240;
double _buttonHeight = 56;
// Result
String _lastResult = '-';
String _selectedItem = 'item_0';
static const _palette = [
Colors.red,
Colors.pink,
Colors.purple,
Colors.deepPurple,
Colors.indigo,
Colors.blue,
Colors.teal,
Colors.green,
Colors.orange,
Colors.brown,
Colors.grey,
Colors.blueGrey,
];
static const _demoIcons = [
Icons.edit_outlined,
Icons.copy_outlined,
Icons.share_outlined,
Icons.delete_outlined,
Icons.star_outlined,
Icons.bookmark_outlined,
];
OverlayMenuStyle get _menuStyle {
final selColor = _selectedTextColor ?? Colors.deepPurple;
return OverlayMenuStyle(
borderRadius: BorderRadius.circular(_borderRadius),
maxHeight: _maxHeight > 0 ? _maxHeight : null,
backgroundColor: _backgroundColor,
itemStyle: OverlayMenuItemStyle(
height: _itemHeight,
padding: EdgeInsets.symmetric(
horizontal: _itemPaddingH,
vertical: _itemPaddingV,
),
borderRadius: _itemBorderRadius > 0
? BorderRadius.circular(_itemBorderRadius)
: null,
hoverColor: _hoverColor,
splashColor: _splashColor,
),
headerStyle: _showHeader
? OverlayMenuHeaderStyle(
height: _headerHeight,
padding: EdgeInsets.symmetric(
horizontal: _headerPaddingH,
vertical: _headerPaddingV,
),
borderRadius: _headerBorderRadius > 0
? BorderRadius.circular(_headerBorderRadius)
: null,
hoverColor: _headerHoverColor,
splashColor: _headerSplashColor,
)
: null,
footerStyle: _showFooter
? OverlayMenuFooterStyle(
height: _footerHeight,
padding: EdgeInsets.symmetric(
horizontal: _footerPaddingH,
vertical: _footerPaddingV,
),
borderRadius: _footerBorderRadius > 0
? BorderRadius.circular(_footerBorderRadius)
: null,
hoverColor: _footerHoverColor,
splashColor: _footerSplashColor,
)
: null,
selectedStyle: _showSelectedState
? OverlayMenuSelectedStyle(
backgroundColor: _selectedBgColor,
textStyle: TextStyle(
fontWeight: FontWeight.w600,
color: selColor,
),
border: _selectedBorderWidth > 0
? BorderSide(color: selColor, width: _selectedBorderWidth)
: null,
)
: null,
dividerStyle: _showDividers
? OverlayMenuDividerStyle(
color: _dividerColor,
indent: _dividerIndent,
endIndent: _dividerEndIndent,
)
: null,
scrollbarStyle: _maxHeight > 0
? OverlayMenuScrollbarStyle(
thumbColor: _scrollbarColor,
thickness: _scrollbarThickness,
radius: Radius.circular(_scrollbarRadius),
thumbVisibility: _scrollbarAlwaysVisible,
)
: null,
prefixBuilder: _showPrefixIcons
? (context, selected) => Icon(
selected ? Icons.check_circle : Icons.circle_outlined,
size: 20,
color: selected ? selColor : null,
)
: null,
);
}
List<OverlayMenuEntry<String>> get _items {
final entries = <OverlayMenuEntry<String>>[];
for (var i = 0; i < _itemCount; i++) {
if (_showDividers && i > 0) {
entries.add(const OverlayMenuDivider<String>());
}
entries.add(
OverlayMenuItem<String>(
value: 'item_$i',
selected: _showSelectedState && _selectedItem == 'item_$i',
child: Row(
children: [
if (!_showPrefixIcons) ...[
Icon(_demoIcons[i % _demoIcons.length], size: 20),
const SizedBox(width: 12),
],
Text('Menu Item ${i + 1}'),
],
),
),
);
}
return entries;
}
List<OverlayMenuEntry<String>>? get _header {
if (!_showHeader) return null;
return [
OverlayMenuItem<String>(
value: 'search',
child: Row(
children: [
const Icon(Icons.search, size: 20),
const SizedBox(width: 12),
const Text('Search...'),
],
),
),
const OverlayMenuDivider<String>(),
];
}
List<OverlayMenuEntry<String>>? get _footer {
if (!_showFooter) return null;
return [
const OverlayMenuDivider<String>(),
OverlayMenuItem<String>(
value: 'create_new',
child: Row(
children: [
const Icon(Icons.add_circle_outline, size: 20),
const SizedBox(width: 12),
const Text('Create New'),
],
),
),
];
}
void _testAutoClose(BuildContext context) {
// 메뉴를 열고, 결과를 비동기로 받음
showOverlayMenu<String>(
context: context,
items: _items,
position: MenuPosition.bottom,
alignment: MenuAlignment.end,
style: _menuStyle,
).then((result) {
debugPrint('menu closed with: $result');
});
// 3초 뒤 다른 페이지 push → 메뉴가 열려있으면 자동으로 닫혀야 함
Future.delayed(const Duration(seconds: 3), () {
if (!context.mounted) return;
Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => Scaffold(
appBar: AppBar(title: const Text('Test Page')),
body: const Center(child: Text('3초 뒤 push된 페이지')),
),
),
);
});
}
Future<void> _showMenu(BuildContext context) async {
final result = await showOverlayMenu<String>(
context: context,
items: _items,
header: _header,
footer: _footer,
position: _position,
alignment: _alignment,
offset: Offset(_offsetX, _offsetY),
barrierDismissible: _barrierDismissible,
barrierColor: _showBarrierColor ? Colors.black26 : null,
width: _useCustomWidth ? _customWidth : null,
padding: EdgeInsets.symmetric(
horizontal: _menuPaddingH,
vertical: _menuPaddingV,
),
animationDuration: Duration(milliseconds: _animDuration.round()),
style: _menuStyle,
);
setState(() {
_lastResult = result ?? 'dismissed';
if (result != null) _selectedItem = result;
});
}
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
return Scaffold(
appBar: AppBar(
title: const Text('OverlayMenu Playground'),
actions: [
Builder(
builder: (context) => IconButton(
icon: const Icon(Icons.navigate_next),
tooltip: 'Open menu → push page after 3s',
onPressed: () => _testAutoClose(context),
),
),
IconButton(
icon: Icon(widget.isDark ? Icons.light_mode : Icons.dark_mode),
onPressed: widget.onThemeToggle,
),
],
),
body: Row(
children: [
// Left: Controls
SizedBox(width: 320, child: _buildControlPanel(cs)),
VerticalDivider(width: 1, color: cs.outlineVariant),
// Right: Preview
Expanded(child: _buildPreview(cs)),
],
),
);
}
Widget _buildControlPanel(ColorScheme cs) {
return ListView(
children: [
// Theme
ExpansionTile(
title: const Text('Theme'),
initiallyExpanded: true,
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
Wrap(
spacing: 8,
runSpacing: 8,
children: widget.seedColors.entries.map((e) {
final selected = widget.seedColor == e.value;
return FilterChip(
label: Text(e.key),
selected: selected,
onSelected: (_) => widget.onSeedColorChanged(e.value),
);
}).toList(),
),
const SizedBox(height: 8),
],
),
// Position & Alignment
ExpansionTile(
title: const Text('Position & Alignment'),
initiallyExpanded: true,
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
SegmentedButton<MenuPosition>(
segments: MenuPosition.values
.map((p) => ButtonSegment(value: p, label: Text(p.name)))
.toList(),
selected: {_position},
onSelectionChanged: (s) => setState(() => _position = s.first),
),
const SizedBox(height: 12),
SegmentedButton<MenuAlignment>(
segments: MenuAlignment.values
.map((a) => ButtonSegment(value: a, label: Text(a.name)))
.toList(),
selected: {_alignment},
onSelectionChanged: (s) => setState(() => _alignment = s.first),
),
const SizedBox(height: 8),
_sliderRow(
'Offset X',
_offsetX,
-40,
40,
(v) => setState(() => _offsetX = v),
),
_sliderRow(
'Offset Y',
_offsetY,
-40,
40,
(v) => setState(() => _offsetY = v),
),
],
),
// Target Button
ExpansionTile(
title: const Text('Target Button'),
initiallyExpanded: true,
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
_sliderRow(
'Width',
_buttonWidth,
80,
400,
(v) => setState(() => _buttonWidth = v),
),
_sliderRow(
'Height',
_buttonHeight,
32,
80,
(v) => setState(() => _buttonHeight = v),
),
],
),
// Menu Container
ExpansionTile(
title: const Text('Menu Container'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
_colorPickerRow(
'Background',
_backgroundColor,
(c) => setState(() => _backgroundColor = c),
),
const SizedBox(height: 8),
_sliderRow(
'Border Radius',
_borderRadius,
0,
24,
(v) => setState(() => _borderRadius = v),
),
_sliderRow(
'Max Height',
_maxHeight,
0,
400,
(v) => setState(() => _maxHeight = v),
),
_sliderRow(
'Padding H',
_menuPaddingH,
0,
16,
(v) => setState(() => _menuPaddingH = v),
),
_sliderRow(
'Padding V',
_menuPaddingV,
0,
16,
(v) => setState(() => _menuPaddingV = v),
),
_sliderRow(
'Item Count',
_itemCount.toDouble(),
1,
6,
(v) => setState(() => _itemCount = v.round()),
divisions: 5,
),
const SizedBox(height: 4),
SwitchListTile(
title: const Text('Custom Width'),
dense: true,
value: _useCustomWidth,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _useCustomWidth = v),
),
if (_useCustomWidth)
_sliderRow(
'Menu Width',
_customWidth,
120,
320,
(v) => setState(() => _customWidth = v),
),
],
),
// Item Style
ExpansionTile(
title: const Text('Item Style'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
_sliderRow(
'Height',
_itemHeight,
32,
72,
(v) => setState(() => _itemHeight = v),
),
_sliderRow(
'Padding H',
_itemPaddingH,
0,
32,
(v) => setState(() => _itemPaddingH = v),
),
_sliderRow(
'Padding V',
_itemPaddingV,
0,
16,
(v) => setState(() => _itemPaddingV = v),
),
_sliderRow(
'Border Radius',
_itemBorderRadius,
0,
24,
(v) => setState(() => _itemBorderRadius = v),
),
const SizedBox(height: 8),
_colorPickerRow(
'Hover',
_hoverColor,
(c) => setState(() => _hoverColor = c),
),
const SizedBox(height: 8),
_colorPickerRow(
'Splash',
_splashColor,
(c) => setState(() => _splashColor = c),
),
],
),
// Selected Style
ExpansionTile(
title: const Text('Selected Style'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
SwitchListTile(
title: const Text('Enable'),
dense: true,
value: _showSelectedState,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _showSelectedState = v),
),
if (_showSelectedState) ...[
const SizedBox(height: 4),
_colorPickerRow(
'Background',
_selectedBgColor,
(c) => setState(() => _selectedBgColor = c),
),
const SizedBox(height: 8),
_colorPickerRow(
'Text Color',
_selectedTextColor,
(c) => setState(() => _selectedTextColor = c),
),
const SizedBox(height: 8),
_sliderRow(
'Border Width',
_selectedBorderWidth,
0,
4,
(v) => setState(() => _selectedBorderWidth = v),
divisions: 8,
),
],
],
),
// Divider Style
ExpansionTile(
title: const Text('Divider Style'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
SwitchListTile(
title: const Text('Enable'),
dense: true,
value: _showDividers,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _showDividers = v),
),
if (_showDividers) ...[
const SizedBox(height: 4),
_colorPickerRow(
'Color',
_dividerColor,
(c) => setState(() => _dividerColor = c),
),
const SizedBox(height: 8),
_sliderRow(
'Indent',
_dividerIndent,
0,
32,
(v) => setState(() => _dividerIndent = v),
),
_sliderRow(
'End Indent',
_dividerEndIndent,
0,
32,
(v) => setState(() => _dividerEndIndent = v),
),
],
],
),
// Scrollbar Style
if (_maxHeight > 0)
ExpansionTile(
title: const Text('Scrollbar Style'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
_colorPickerRow(
'Thumb Color',
_scrollbarColor,
(c) => setState(() => _scrollbarColor = c),
),
const SizedBox(height: 8),
_sliderRow(
'Thickness',
_scrollbarThickness,
2,
12,
(v) => setState(() => _scrollbarThickness = v),
divisions: 10,
),
_sliderRow(
'Radius',
_scrollbarRadius,
0,
12,
(v) => setState(() => _scrollbarRadius = v),
),
SwitchListTile(
title: const Text('Always Visible'),
dense: true,
value: _scrollbarAlwaysVisible,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _scrollbarAlwaysVisible = v),
),
],
),
// Prefix Builder
ExpansionTile(
title: const Text('Prefix Builder'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
SwitchListTile(
title: const Text('Enable'),
dense: true,
value: _showPrefixIcons,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _showPrefixIcons = v),
),
],
),
// Header Style
ExpansionTile(
title: const Text('Header Style'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
SwitchListTile(
title: const Text('Enable'),
dense: true,
value: _showHeader,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _showHeader = v),
),
if (_showHeader) ...[
_sliderRow(
'Height',
_headerHeight,
32,
72,
(v) => setState(() => _headerHeight = v),
),
_sliderRow(
'Padding H',
_headerPaddingH,
0,
32,
(v) => setState(() => _headerPaddingH = v),
),
_sliderRow(
'Padding V',
_headerPaddingV,
0,
16,
(v) => setState(() => _headerPaddingV = v),
),
_sliderRow(
'Border Radius',
_headerBorderRadius,
0,
24,
(v) => setState(() => _headerBorderRadius = v),
),
const SizedBox(height: 8),
_colorPickerRow(
'Hover',
_headerHoverColor,
(c) => setState(() => _headerHoverColor = c),
),
const SizedBox(height: 8),
_colorPickerRow(
'Splash',
_headerSplashColor,
(c) => setState(() => _headerSplashColor = c),
),
],
],
),
// Footer Style
ExpansionTile(
title: const Text('Footer Style'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
SwitchListTile(
title: const Text('Enable'),
dense: true,
value: _showFooter,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _showFooter = v),
),
if (_showFooter) ...[
_sliderRow(
'Height',
_footerHeight,
32,
72,
(v) => setState(() => _footerHeight = v),
),
_sliderRow(
'Padding H',
_footerPaddingH,
0,
32,
(v) => setState(() => _footerPaddingH = v),
),
_sliderRow(
'Padding V',
_footerPaddingV,
0,
16,
(v) => setState(() => _footerPaddingV = v),
),
_sliderRow(
'Border Radius',
_footerBorderRadius,
0,
24,
(v) => setState(() => _footerBorderRadius = v),
),
const SizedBox(height: 8),
_colorPickerRow(
'Hover',
_footerHoverColor,
(c) => setState(() => _footerHoverColor = c),
),
const SizedBox(height: 8),
_colorPickerRow(
'Splash',
_footerSplashColor,
(c) => setState(() => _footerSplashColor = c),
),
],
],
),
// Animation
ExpansionTile(
title: const Text('Animation'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
_sliderRow(
'Duration (ms)',
_animDuration,
0,
500,
(v) => setState(() => _animDuration = v),
),
],
),
// Barrier
ExpansionTile(
title: const Text('Barrier'),
childrenPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
children: [
SwitchListTile(
title: const Text('Dismissible'),
dense: true,
value: _barrierDismissible,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _barrierDismissible = v),
),
SwitchListTile(
title: const Text('Barrier Color'),
dense: true,
value: _showBarrierColor,
contentPadding: EdgeInsets.zero,
onChanged: (v) => setState(() => _showBarrierColor = v),
),
],
),
],
);
}
Widget _buildPreview(ColorScheme cs) {
return Column(
children: [
// Config summary
Container(
width: double.infinity,
padding: const EdgeInsets.all(12),
color: cs.surfaceContainerHighest,
child: Text(
'position: ${_position.name} | '
'alignment: ${_alignment.name} | '
'offset: (${_offsetX.toStringAsFixed(0)}, ${_offsetY.toStringAsFixed(0)}) | '
'button: ${_buttonWidth.toStringAsFixed(0)}x${_buttonHeight.toStringAsFixed(0)} | '
'last: $_lastResult',
style: TextStyle(
fontFamily: 'monospace',
fontSize: 12,
color: cs.onSurfaceVariant,
),
),
),
// Preview area
Expanded(
child: Center(
child: Builder(
builder: (context) => SizedBox(
width: _buttonWidth,
height: _buttonHeight,
child: FilledButton.icon(
onPressed: () => _showMenu(context),
icon: const Icon(Icons.touch_app_outlined),
label: const Text('Show Menu'),
),
),
),
),
),
],
);
}
Widget _colorPickerRow(
String label,
Color? current,
ValueChanged<Color?> onChanged,
) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
SizedBox(
width: 70,
child: Text(label, style: const TextStyle(fontSize: 13)),
),
if (current != null) ...[
Container(
width: 20,
height: 20,
decoration: BoxDecoration(
color: current,
shape: BoxShape.circle,
border: Border.all(color: Colors.black26),
),
),
const SizedBox(width: 8),
],
if (current != null)
GestureDetector(
onTap: () => onChanged(null),
child: const Icon(Icons.close, size: 16),
),
],
),
const SizedBox(height: 4),
Wrap(
spacing: 6,
runSpacing: 6,
children: _palette.map((color) {
final isSelected = current?.toARGB32() == color.toARGB32();
return GestureDetector(
onTap: () => onChanged(color),
child: Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: color,
shape: BoxShape.circle,
border: isSelected
? Border.all(color: Colors.white, width: 2)
: null,
boxShadow: isSelected
? [BoxShadow(color: color, blurRadius: 4)]
: null,
),
),
);
}).toList(),
),
],
);
}
Widget _sliderRow(
String label,
double value,
double min,
double max,
ValueChanged<double> onChanged, {
int? divisions,
}) {
return Row(
children: [
SizedBox(
width: 90,
child: Text(label, style: const TextStyle(fontSize: 13)),
),
Expanded(
child: Slider(
value: value,
min: min,
max: max,
divisions: divisions ?? (max - min).round(),
onChanged: onChanged,
),
),
SizedBox(
width: 40,
child: Text(
value.toStringAsFixed(0),
style: const TextStyle(fontSize: 13, fontFamily: 'monospace'),
),
),
],
);
}
}Metadata
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Metadata
OverlayEntry-based showMenu replacement. Position menus top, bottom, left, or right of any widget with start, center, end alignment.
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