yokogaki 0.10.2 
yokogaki: ^0.10.2 copied to clipboard
Published 2 months ago • 
pub.nyapic.com
pub.nyapic.comFlutter package for Japanese horizontal text (yokogaki) layout with ruby, kenten, warichu, and rich text support
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:yokogaki/yokogaki.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Yokogaki Demo',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
useMaterial3: true,
textTheme: GoogleFonts.notoSansJpTextTheme(),
),
home: const HomePage(),
);
}
}
class HomePage extends StatefulWidget {
const HomePage({super.key});
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
TextAlignment _alignment = TextAlignment.center;
String get _alignmentLabel {
switch (_alignment) {
case TextAlignment.start:
return '天付き（左揃え）';
case TextAlignment.center:
return '中央揃え';
case TextAlignment.end:
return '地付き（右揃え）';
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Yokogaki - 横書き Demo'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Basic Horizontal Text',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: 'これは横書きのテストです。',
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
const SizedBox(height: 32),
const Text(
'With Line Breaking (maxWidth: 300)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: 'これは横書きのテストです。日本語の横書きレイアウトを実装しました。禁則処理も対応しています。',
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
maxWidth: 300,
),
const SizedBox(height: 32),
const Text(
'With Grid (Debug Mode)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: 'グリッド表示テスト',
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 32),
),
showGrid: true,
),
const SizedBox(height: 32),
const Text(
'With Punctuation (Kinsoku)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '吾輩は猫である。名前はまだ無い。どこで生まれたか頓と見当がつかぬ。',
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
maxWidth: 350,
),
const SizedBox(height: 32),
const Text(
'With Ruby (Furigana)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '日本語',
rubyList: const [
RubyText(startIndex: 0, length: 3, ruby: 'にほんご'),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 32),
rubyStyle: TextStyle(fontSize: 14, color: Colors.red),
),
),
const SizedBox(height: 32),
const Text(
'Ruby with Line Breaking',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '漢字はとても難しいです。',
rubyList: const [
RubyText(startIndex: 0, length: 2, ruby: 'かんじ'), // 漢字
RubyText(startIndex: 6, length: 1, ruby: 'むずか'), // 難
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
rubyStyle: TextStyle(fontSize: 12, color: Colors.blue),
),
maxWidth: 300,
),
const SizedBox(height: 32),
const Text(
'With Kenten (Emphasis Marks)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '重要な部分を強調します。',
kentenList: const [
Kenten(startIndex: 0, length: 2, style: KentenStyle.sesame), // 重要
Kenten(startIndex: 3, length: 2, style: KentenStyle.filledCircle), // 部分
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
),
),
const SizedBox(height: 32),
const Text(
'Kenten Types Showcase',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: 'ゴマ 白丸 黒丸 三角 黒三角 二重丸',
kentenList: const [
Kenten(startIndex: 0, length: 2, style: KentenStyle.sesame),
Kenten(startIndex: 3, length: 2, style: KentenStyle.circle),
Kenten(startIndex: 6, length: 2, style: KentenStyle.filledCircle),
Kenten(startIndex: 9, length: 2, style: KentenStyle.triangle),
Kenten(startIndex: 12, length: 3, style: KentenStyle.filledTriangle),
Kenten(startIndex: 16, length: 3, style: KentenStyle.doubleCircle),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
),
),
const SizedBox(height: 32),
const Text(
'Combined: Ruby + Kenten',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '重要な日本語を学びます。',
rubyList: const [
RubyText(startIndex: 0, length: 2, ruby: 'じゅうよう'),
RubyText(startIndex: 3, length: 3, ruby: 'にほんご'),
RubyText(startIndex: 7, length: 2, ruby: 'まな'),
],
kentenList: const [
Kenten(startIndex: 0, length: 2, style: KentenStyle.filledCircle),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 26),
rubyStyle: TextStyle(fontSize: 12, color: Colors.green),
),
),
const SizedBox(height: 32),
const Text(
'With Warichu (Inline Annotations)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '本文（注釈）の例です。',
warichuList: const [
Warichu(startIndex: 3, length: 0, text: 'ここに注釈'),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
),
),
const SizedBox(height: 32),
const Text(
'Warichu with Longer Text',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '日本語の文章（説明文）があります。',
warichuList: const [
Warichu(startIndex: 7, length: 0, text: 'せつめいぶん'),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
),
),
const SizedBox(height: 32),
const Text(
'All Features Combined',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalText(
text: '重要（注）な文章です。',
rubyList: const [
RubyText(startIndex: 0, length: 2, ruby: 'じゅうよう'),
],
kentenList: const [
Kenten(startIndex: 0, length: 2, style: KentenStyle.sesame),
],
warichuList: const [
Warichu(startIndex: 3, length: 0, text: 'ちゅう'),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 26),
rubyStyle: TextStyle(fontSize: 12, color: Colors.purple),
),
),
const SizedBox(height: 32),
const Text(
'Rich Text - Multiple Styles',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalRichText(
span: GroupHorizontalTextSpan(
children: [
SimpleHorizontalTextSpan(
text: 'これは',
style: const TextStyle(fontSize: 24, color: Colors.black),
),
SimpleHorizontalTextSpan(
text: '重要',
style: const TextStyle(fontSize: 24, color: Colors.red, fontWeight: FontWeight.bold),
kentenList: const [
Kenten(startIndex: 0, length: 2, style: KentenStyle.filledCircle),
],
),
SimpleHorizontalTextSpan(
text: 'な',
style: const TextStyle(fontSize: 24, color: Colors.black),
),
SimpleHorizontalTextSpan(
text: 'テキスト',
style: const TextStyle(fontSize: 24, color: Colors.blue, fontStyle: FontStyle.italic),
),
SimpleHorizontalTextSpan(
text: 'です。',
style: const TextStyle(fontSize: 24, color: Colors.black),
),
],
),
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
const SizedBox(height: 32),
const Text(
'Rich Text - With Ruby',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
HorizontalRichText(
span: GroupHorizontalTextSpan(
children: [
SimpleHorizontalTextSpan(
text: '日本語',
style: const TextStyle(fontSize: 28, color: Colors.black),
rubyList: const [
RubyText(startIndex: 0, length: 3, ruby: 'にほんご'),
],
),
SimpleHorizontalTextSpan(
text: 'は',
style: const TextStyle(fontSize: 28, color: Colors.black),
),
SimpleHorizontalTextSpan(
text: '美しい',
style: const TextStyle(fontSize: 28, color: Colors.pink, fontWeight: FontWeight.bold),
rubyList: const [
RubyText(startIndex: 0, length: 3, ruby: 'うつく'),
],
),
SimpleHorizontalTextSpan(
text: 'です。',
style: const TextStyle(fontSize: 28, color: Colors.black),
),
],
),
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
rubyStyle: const TextStyle(fontSize: 14, color: Colors.deepOrange),
),
),
const SizedBox(height: 32),
const Text(
'Selectable Text - Drag to Select',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
const Text(
'Tap or drag to select text. Long press to copy.',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 16),
SelectableHorizontalText(
text: 'これは選択可能なテキストです。ドラッグして選択してください。',
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
maxWidth: 350,
),
const SizedBox(height: 32),
const Text(
'Selectable Text - With Ruby',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
SelectableHorizontalText(
text: '日本語の選択可能なテキスト',
rubyList: const [
RubyText(startIndex: 0, length: 3, ruby: 'にほんご'),
RubyText(startIndex: 4, length: 4, ruby: 'せんたくかのう'),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
rubyStyle: const TextStyle(fontSize: 14, color: Colors.blue),
),
),
const SizedBox(height: 32),
const Text(
'Line Spacing Test - Long Text',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
const Text(
'Testing how kenten and ruby affect line spacing with multi-line text',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 16),
const Text(
'Debug: Character indices',
style: TextStyle(fontSize: 14, color: Colors.orange, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '01234567890123456789',
rubyList: const [
RubyText(startIndex: 0, length: 1, ruby: '0'),
RubyText(startIndex: 5, length: 1, ruby: '5'),
RubyText(startIndex: 10, length: 1, ruby: 'A'),
RubyText(startIndex: 15, length: 1, ruby: 'F'),
],
kentenList: const [
Kenten(startIndex: 2, length: 1, style: KentenStyle.filledCircle),
Kenten(startIndex: 7, length: 1, style: KentenStyle.filledCircle),
Kenten(startIndex: 12, length: 1, style: KentenStyle.filledCircle),
Kenten(startIndex: 17, length: 1, style: KentenStyle.filledCircle),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24, color: Colors.grey),
rubyStyle: const TextStyle(fontSize: 12, color: Colors.red),
lineSpacing: 16.0,
),
maxWidth: 400,
),
const SizedBox(height: 16),
const Text(
'1. Kenten only:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '吾輩は猫である。名前はまだ無い。どこで生まれたかとんと見当がつかぬ。何でも薄暗いじめじめした所でニャーニャー泣いていた事だけは記憶している。',
kentenList: const [
Kenten(startIndex: 0, length: 2, style: KentenStyle.sesame), // 吾輩
Kenten(startIndex: 8, length: 2, style: KentenStyle.filledCircle), // 名前
Kenten(startIndex: 19, length: 4, style: KentenStyle.sesame), // 生まれた
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
lineSpacing: 16.0,
),
maxWidth: 400,
),
const SizedBox(height: 24),
const Text(
'2. Ruby only:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '吾輩は猫である。名前はまだ無い。どこで生まれたかとんと見当がつかぬ。何でも薄暗いじめじめした所でニャーニャー泣いていた事だけは記憶している。',
rubyList: const [
RubyText(startIndex: 0, length: 2, ruby: 'わがはい'), // 吾輩
RubyText(startIndex: 3, length: 1, ruby: 'ねこ'), // 猫
RubyText(startIndex: 8, length: 2, ruby: 'なまえ'), // 名前
RubyText(startIndex: 27, length: 2, ruby: 'けんとう'), // 見当
RubyText(startIndex: 37, length: 2, ruby: 'うすぐら'), // 薄暗
RubyText(startIndex: 63, length: 2, ruby: 'きおく'), // 記憶
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
rubyStyle: const TextStyle(fontSize: 12, color: Colors.red),
lineSpacing: 16.0,
),
maxWidth: 400,
),
const SizedBox(height: 24),
const Text(
'3. Ruby + Kenten combined:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '吾輩は猫である。名前はまだ無い。どこで生まれたかとんと見当がつかぬ。何でも薄暗いじめじめした所でニャーニャー泣いていた事だけは記憶している。',
rubyList: const [
RubyText(startIndex: 0, length: 2, ruby: 'わがはい'), // 吾輩
RubyText(startIndex: 3, length: 1, ruby: 'ねこ'), // 猫
RubyText(startIndex: 8, length: 2, ruby: 'なまえ'), // 名前
RubyText(startIndex: 27, length: 2, ruby: 'けんとう'), // 見当
RubyText(startIndex: 37, length: 2, ruby: 'うすぐら'), // 薄暗
RubyText(startIndex: 63, length: 2, ruby: 'きおく'), // 記憶
],
kentenList: const [
Kenten(startIndex: 0, length: 2, style: KentenStyle.sesame), // 吾輩
Kenten(startIndex: 8, length: 2, style: KentenStyle.filledCircle), // 名前
Kenten(startIndex: 27, length: 2, style: KentenStyle.sesame), // 見当
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
rubyStyle: const TextStyle(fontSize: 12, color: Colors.red),
lineSpacing: 16.0,
),
maxWidth: 400,
),
const SizedBox(height: 32),
const Text(
'Text Alignment (地付き)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
Text(
'Current: $_alignmentLabel',
style: const TextStyle(fontSize: 16, color: Colors.grey),
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
ElevatedButton(
onPressed: () {
setState(() {
_alignment = TextAlignment.start;
});
},
style: ElevatedButton.styleFrom(
backgroundColor: _alignment == TextAlignment.start
? Theme.of(context).colorScheme.primary
: null,
),
child: const Text('天付き'),
),
const SizedBox(width: 8),
ElevatedButton(
onPressed: () {
setState(() {
_alignment = TextAlignment.center;
});
},
style: ElevatedButton.styleFrom(
backgroundColor: _alignment == TextAlignment.center
? Theme.of(context).colorScheme.primary
: null,
),
child: const Text('中央'),
),
const SizedBox(width: 8),
ElevatedButton(
onPressed: () {
setState(() {
_alignment = TextAlignment.end;
});
},
style: ElevatedButton.styleFrom(
backgroundColor: _alignment == TextAlignment.end
? Theme.of(context).colorScheme.primary
: null,
),
child: const Text('地付き'),
),
],
),
const SizedBox(height: 16),
Container(
decoration: BoxDecoration(
border: Border.all(color: Colors.grey),
color: Colors.grey.shade50,
),
child: HorizontalText(
text: '吾輩は猫である。\n名前はまだ無い。\nどこで生まれたか\n頓と見当がつかぬ。',
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
alignment: _alignment,
),
maxWidth: 350,
),
),
const SizedBox(height: 16),
const SizedBox(
width: 500,
child: Text(
'説明：\n'
'• 天付き：各行を左端に揃えます\n'
'• 中央揃え：各行を中央に配置します\n'
'• 地付き：各行を右端に揃えます',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
),
const SizedBox(height: 32),
const Text(
'Text Decorations (下線・上線)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
const Text(
'1. Underline Types:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('下線', style: TextStyle(fontSize: 12, color: Colors.grey)),
HorizontalText(
text: '重要な文章',
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.underline,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
],
),
),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('二重下線', style: TextStyle(fontSize: 12, color: Colors.grey)),
HorizontalText(
text: '重要な文章',
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.doubleUnderline,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
],
),
),
],
),
const SizedBox(height: 16),
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('波下線', style: TextStyle(fontSize: 12, color: Colors.grey)),
HorizontalText(
text: '重要な文章',
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.wavyUnderline,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
],
),
),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('点線下線', style: TextStyle(fontSize: 12, color: Colors.grey)),
HorizontalText(
text: '重要な文章',
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.dottedUnderline,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
],
),
),
],
),
const SizedBox(height: 24),
const Text(
'2. Overline Types:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('上線', style: TextStyle(fontSize: 12, color: Colors.grey)),
HorizontalText(
text: '重要な文章',
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.overline,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
],
),
),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('波上線', style: TextStyle(fontSize: 12, color: Colors.grey)),
HorizontalText(
text: '重要な文章',
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.wavyOverline,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
],
),
),
],
),
const SizedBox(height: 24),
const Text(
'3. Colored Decoration:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '赤い下線と青い下線の例',
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.underline,
color: Colors.red,
thickness: 2.0,
),
TextDecorationAnnotation(
startIndex: 5,
length: 2,
type: TextDecorationLineType.underline,
color: Colors.blue,
thickness: 2.0,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
),
const SizedBox(height: 24),
const Text(
'4. Combined with Ruby:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '東京は首都です',
rubyList: const [
RubyText(startIndex: 0, length: 2, ruby: 'とうきょう'),
RubyText(startIndex: 3, length: 2, ruby: 'しゅと'),
],
decorationList: const [
TextDecorationAnnotation(
startIndex: 3,
length: 2,
type: TextDecorationLineType.underline,
color: Colors.red,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
rubyStyle: const TextStyle(fontSize: 14, color: Colors.green),
),
),
const SizedBox(height: 16),
const Text(
'5. Ruby + Overline:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '重要な言葉を強調',
rubyList: const [
RubyText(startIndex: 0, length: 2, ruby: 'じゅうよう'),
RubyText(startIndex: 3, length: 2, ruby: 'ことば'),
RubyText(startIndex: 6, length: 2, ruby: 'きょうちょう'),
],
decorationList: const [
TextDecorationAnnotation(
startIndex: 0,
length: 2,
type: TextDecorationLineType.overline,
color: Colors.blue,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
rubyStyle: const TextStyle(fontSize: 14, color: Colors.purple),
),
),
const SizedBox(height: 16),
const Text(
'6. Ruby + Wavy Overline:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
HorizontalText(
text: '日本語の勉強は楽しい',
rubyList: const [
RubyText(startIndex: 0, length: 3, ruby: 'にほんご'),
RubyText(startIndex: 4, length: 2, ruby: 'べんきょう'),
RubyText(startIndex: 7, length: 2, ruby: 'たの'),
],
decorationList: const [
TextDecorationAnnotation(
startIndex: 4,
length: 2,
type: TextDecorationLineType.wavyOverline,
color: Colors.orange,
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
rubyStyle: const TextStyle(fontSize: 14, color: Colors.teal),
),
),
const SizedBox(height: 32),
const Text(
'SelectionArea Integration (Selection API)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
const Text(
'Use with SelectionArea to select across multiple widgets',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
border: Border.all(color: Colors.indigo.shade200),
borderRadius: BorderRadius.circular(8),
),
child: SelectionArea(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SelectableText(
'通常の SelectableText',
style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
SizedBox(
height: 60,
child: SelectionAreaHorizontalText(
text: '日本語の横書きテキスト',
rubyList: const [
RubyText(startIndex: 0, length: 3, ruby: 'にほんご'),
RubyText(startIndex: 4, length: 3, ruby: 'よこがき'),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24, color: Colors.black),
rubyStyle: const TextStyle(fontSize: 12, color: Colors.red),
),
),
),
const SizedBox(height: 8),
const SelectableText(
'上下のテキストをドラッグで一括選択できます。',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
],
),
),
),
const SizedBox(height: 32),
const Text(
'Gaiji (外字 - Custom Character Images)',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
const Text(
'Replace placeholder characters with custom images. Example: 挿 → 插 (old form)',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 16),
HorizontalText(
text: '「〓入」の旧字体の例',
gaijiList: const [
Gaiji(
startIndex: 1, // 「〓」の位置
image: AssetImage('assets/image.png'),
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
),
),
const SizedBox(height: 16),
const Text(
'Long text with gaiji in middle:',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 8),
HorizontalText(
text: '日本語の文章の中に〓入という旧字体を使った例文です。',
gaijiList: const [
Gaiji(
startIndex: 9, // 「〓」の位置（0から数えて9番目）
image: AssetImage('assets/image.png'),
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
),
showGrid: true,
),
const SizedBox(height: 16),
const Text(
'Multi-line text (maxWidth: 300):',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 8),
HorizontalText(
text: '昔々あるところに、〓入という技術を持つ職人がいました。その職人は毎日丁寧に仕事をしていました。',
gaijiList: const [
Gaiji(
startIndex: 9, // 「〓」の位置（0から数えて9番目）
image: AssetImage('assets/image.png'),
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
maxWidth: 300,
showGrid: true,
),
const SizedBox(height: 16),
const Text(
'Small font (18px):',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 8),
HorizontalText(
text: 'この文章には〓入という外字が含まれています。',
gaijiList: const [
Gaiji(
startIndex: 6, // 「〓」の位置
image: AssetImage('assets/image.png'),
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 18),
),
showGrid: true,
),
const SizedBox(height: 16),
const Text(
'Gaiji after line break (2nd line):',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 8),
HorizontalText(
text: 'あいうえおかきくけこ〓入さしすせそ', // 〓は10番目
gaijiList: const [
Gaiji(
startIndex: 10, // 「〓」の位置（0から数えて10番目）
image: AssetImage('assets/image.png'),
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 28),
),
maxWidth: 200, // 狭いmaxWidthで強制的に改行
showGrid: true,
),
const SizedBox(height: 16),
const Text(
'Gaiji on 3rd line:',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 8),
HorizontalText(
text: 'あいうえおかきくけこさしすせそたちつてと〓入なにぬねの', // 〓は20番目
gaijiList: const [
Gaiji(
startIndex: 20, // 「〓」の位置（0から数えて20番目）
image: AssetImage('assets/image.png'),
),
],
style: HorizontalTextStyle(
baseStyle: const TextStyle(fontSize: 24),
),
maxWidth: 200, // 狭いmaxWidthで複数行に
showGrid: true,
),
const SizedBox(height: 32),
],
),
),
);
}
}Metadata
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downloads
Documentation
Publisher
Weekly Downloads
Metadata
Flutter package for Japanese horizontal text (yokogaki) layout with ruby, kenten, warichu, and rich text support
Repository (GitHub)
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License
MIT (license)
