84 lines
2.3 KiB
Dart
84 lines
2.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'dotted_border.dart';
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import 'window.dart';
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class WindowAcceptRegion extends StatefulWidget {
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const WindowAcceptRegion({
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Key key,
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this.onAccept,
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this.top,
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this.left,
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this.right,
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this.bottom,
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this.size,
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}) : super(key: key);
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final void Function(WindowTab) onAccept;
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final double top, left, right, bottom;
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final Size size;
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@override
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_WindowAcceptRegionState createState() => _WindowAcceptRegionState();
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}
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class _WindowAcceptRegionState extends State<WindowAcceptRegion> {
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bool accepting = false;
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@override
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Widget build(BuildContext context) {
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return SizedBox.fromSize(
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size: widget.size,
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child: LayoutBuilder(
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builder: (context, dimens) => Stack(
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fit: StackFit.expand,
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children: [
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IgnorePointer(
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child: DashedRect(
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color: accepting ? Colors.white : Colors.transparent,
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shadowColor:
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accepting ? Colors.grey.shade300 : Colors.transparent,
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strokeWidth: 2.0,
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gap: 5.0,
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),
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),
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Positioned.fill(
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left: widget.left ?? 0,
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right: widget.right ?? 0,
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top: widget.top ?? 0,
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bottom: widget.bottom ?? 0,
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child: Container(
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child: DragTarget<WindowTab>(
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builder: (context, accepted, rejected) => Container(),
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onAcceptWithDetails: (val) {
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if (mounted) {
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setState(() {
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accepting = false;
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});
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}
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widget.onAccept(val);
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},
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onWillAcceptWithDetails: (val) {
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if (mounted) {
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setState(() {
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accepting = true;
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});
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}
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return true;
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},
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onLeave: (_) {
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if (mounted) {
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setState(() {
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accepting = false;
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});
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}
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},
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),
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),
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),
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],
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),
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),
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);
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}
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}
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