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yx_app_upgrade_flutter
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DESKTOP-I3JPKHK\wy 2025-11-28 11:09:07 +08:00
parent 7bc9b5d709
commit e0d18e2e62
1 changed files with 51 additions and 55 deletions
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106
lib/app_upgrade_simple.dart
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@ -1122,13 +1122,14 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
///
/// 采用自定义解析器，逐字符扫描并使用递归解析子内容，从而支持任意嵌套。
List<TextSpan> _parseRichText(String content, ColorScheme colorScheme) {
final result = _parseRichTextInternal(content, colorScheme, 0, null);
final styles = _RichTextStyles(colorScheme);
final result = _parseRichTextInternal(content, styles, 0, null);
return result.spans;
}
_RichTextParseResult _parseRichTextInternal(
String text,
ColorScheme colorScheme,
_RichTextStyles styles,
int startIndex,
String? endToken,
) {
@ -1140,7 +1141,7 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
if (buffer.isEmpty) return;
spans.add(TextSpan(
text: buffer.toString(),
style: _defaultRichTextStyle(colorScheme),
style: styles.defaultStyle,
));
buffer.clear();
}
@ -1157,13 +1158,13 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
// [高亮]
if (currentChar == '[') {
final innerResult = _parseRichTextInternal(text, colorScheme, index + 1, ']');
final innerResult = _parseRichTextInternal(text, styles, index + 1, ']');
if (innerResult.closed) {
flushBuffer();
final innerText = text.substring(index + 1, innerResult.nextIndex - 1);
spans.addAll(_applyStyleToSpans(
innerResult.spans,
_highlightTextStyle(colorScheme),
styles.highlightStyle,
innerText,
));
index = innerResult.nextIndex;
@ -1183,7 +1184,7 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
final codeText = text.substring(index + 1, closingIndex);
spans.add(TextSpan(
text: codeText,
style: _codeTextStyle(colorScheme),
style: styles.codeStyle,
));
index = closingIndex + 1;
handled = true;
@ -1196,13 +1197,13 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
}
// **粗体**
else if (text.startsWith('**', index)) {
final innerResult = _parseRichTextInternal(text, colorScheme, index + 2, '**');
final innerResult = _parseRichTextInternal(text, styles, index + 2, '**');
if (innerResult.closed) {
flushBuffer();
final innerText = text.substring(index + 2, innerResult.nextIndex - 2);
spans.addAll(_applyStyleToSpans(
innerResult.spans,
_boldTextStyle(colorScheme),
styles.boldStyle,
innerText,
));
index = innerResult.nextIndex;
@ -1216,13 +1217,13 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
}
// __斜体__
else if (text.startsWith('__', index)) {
final innerResult = _parseRichTextInternal(text, colorScheme, index + 2, '__');
final innerResult = _parseRichTextInternal(text, styles, index + 2, '__');
if (innerResult.closed) {
flushBuffer();
final innerText = text.substring(index + 2, innerResult.nextIndex - 2);
spans.addAll(_applyStyleToSpans(
innerResult.spans,
_italicTextStyle(colorScheme),
styles.italicStyle,
innerText,
));
index = innerResult.nextIndex;
@ -1244,51 +1245,6 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
return _RichTextParseResult(spans, index, false);
}
TextStyle _defaultRichTextStyle(ColorScheme colorScheme) {
return TextStyle(
fontSize: 13,
color: colorScheme.onSurface.withOpacity(0.8),
height: 1.4,
);
}
TextStyle _boldTextStyle(ColorScheme colorScheme) {
return TextStyle(
fontSize: 13,
color: colorScheme.onSurface.withOpacity(0.9),
height: 1.4,
fontWeight: FontWeight.bold,
);
}
TextStyle _italicTextStyle(ColorScheme colorScheme) {
return TextStyle(
fontSize: 13,
color: colorScheme.onSurface.withOpacity(0.9),
height: 1.4,
fontStyle: FontStyle.italic,
);
}
TextStyle _codeTextStyle(ColorScheme colorScheme) {
return TextStyle(
fontSize: 12,
color: colorScheme.primary,
height: 1.4,
fontFamily: 'monospace',
backgroundColor: colorScheme.primaryContainer.withOpacity(0.2),
);
}
TextStyle _highlightTextStyle(ColorScheme colorScheme) {
return TextStyle(
fontSize: 13,
color: colorScheme.primary,
height: 1.4,
fontWeight: FontWeight.w600,
);
}
List<TextSpan> _applyStyleToSpans(List<TextSpan> spans, TextStyle style, String fallbackText) {
if (spans.isEmpty) {
return [
@ -2218,6 +2174,46 @@ class _ToastWidget extends StatelessWidget {
typedef BoolCallback = void Function(bool success);
class _RichTextStyles {
_RichTextStyles(ColorScheme colorScheme)
: defaultStyle = TextStyle(
fontSize: 13,
color: colorScheme.onSurface.withOpacity(0.8),
height: 1.4,
),
boldStyle = TextStyle(
fontSize: 13,
color: colorScheme.onSurface.withOpacity(0.9),
height: 1.4,
fontWeight: FontWeight.bold,
),
italicStyle = TextStyle(
fontSize: 13,
color: colorScheme.onSurface.withOpacity(0.9),
height: 1.4,
fontStyle: FontStyle.italic,
),
codeStyle = TextStyle(
fontSize: 12,
color: colorScheme.primary,
height: 1.4,
fontFamily: 'monospace',
backgroundColor: colorScheme.primaryContainer.withOpacity(0.2),
),
highlightStyle = TextStyle(
fontSize: 13,
color: colorScheme.primary,
height: 1.4,
fontWeight: FontWeight.w600,
);
final TextStyle defaultStyle;
final TextStyle boldStyle;
final TextStyle italicStyle;
final TextStyle codeStyle;
final TextStyle highlightStyle;
}
class _RichTextParseResult {
final List<TextSpan> spans;
final int nextIndex;