mirror of
https://github.com/bggRGjQaUbCoE/PiliPlus.git
synced 2026-04-21 19:28:27 +08:00
127 lines
3.0 KiB
Dart
127 lines
3.0 KiB
Dart
/*
|
|
* This file is part of PiliPlus
|
|
*
|
|
* PiliPlus is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* PiliPlus is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with PiliPlus. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
import 'package:flutter/rendering.dart' show RenderProxyBox;
|
|
import 'package:flutter/widgets.dart';
|
|
|
|
class ReserveButton extends SingleChildRenderObjectWidget {
|
|
const ReserveButton({
|
|
super.key,
|
|
required this.count,
|
|
required this.color,
|
|
required Widget super.child,
|
|
});
|
|
|
|
final int count;
|
|
final Color color;
|
|
|
|
@override
|
|
RenderObject createRenderObject(BuildContext context) {
|
|
return RenderReserveBtn(count: count, color: color);
|
|
}
|
|
|
|
@override
|
|
void updateRenderObject(BuildContext context, RenderReserveBtn renderObject) {
|
|
renderObject
|
|
..color = color
|
|
..count = count;
|
|
}
|
|
}
|
|
|
|
class RenderReserveBtn extends RenderProxyBox {
|
|
RenderReserveBtn({
|
|
required int count,
|
|
required Color color,
|
|
}) : _count = count,
|
|
_color = color {
|
|
_textPainter = TextPainter(
|
|
textDirection: .ltr,
|
|
text: _getTextSpan(count),
|
|
)..layout();
|
|
}
|
|
|
|
int _count;
|
|
int get count => _count;
|
|
set count(int value) {
|
|
if (_count == value) return;
|
|
_count = value;
|
|
_updateTextSpan();
|
|
markNeedsPaint();
|
|
}
|
|
|
|
Color _color;
|
|
Color get color => _color;
|
|
set color(Color value) {
|
|
if (_color == value) return;
|
|
_color = value;
|
|
_updateTextSpan();
|
|
markNeedsPaint();
|
|
}
|
|
|
|
late final TextPainter _textPainter;
|
|
|
|
void _updateTextSpan() {
|
|
_textPainter
|
|
..text = _getTextSpan(_count)
|
|
..layout();
|
|
}
|
|
|
|
TextSpan _getTextSpan(int count) {
|
|
return TextSpan(
|
|
text: count.toString(),
|
|
style: TextStyle(
|
|
height: 1,
|
|
fontSize: 12,
|
|
color: _color,
|
|
fontWeight: .bold,
|
|
),
|
|
);
|
|
}
|
|
|
|
@override
|
|
void paint(PaintingContext context, Offset offset) {
|
|
final size = this.size;
|
|
final dx = offset.dx;
|
|
final dy = offset.dy;
|
|
final width = dx + size.width;
|
|
final height = dy + size.height;
|
|
final offsetDx = dx + 13.0;
|
|
final offsetDy = dy + 14.0;
|
|
final path = Path()
|
|
..moveTo(dx, dy)
|
|
..lineTo(offsetDx, dy)
|
|
..lineTo(offsetDx, offsetDy)
|
|
..lineTo(width, offsetDy)
|
|
..lineTo(width, height)
|
|
..lineTo(dx, height)
|
|
..close();
|
|
final canvas = context.canvas
|
|
..save()
|
|
..clipPath(path);
|
|
context.paintChild(child!, offset);
|
|
canvas.restore();
|
|
|
|
_textPainter.paint(canvas, Offset(offset.dx + 15.0, offset.dy));
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_textPainter.dispose();
|
|
super.dispose();
|
|
}
|
|
}
|