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Can move window

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This commit is contained in:
Pierre HUBERT 2020-05-10 14:09:44 +02:00
parent b40308c9e4
commit ef186f79d2
1 changed files with 53 additions and 5 deletions
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58
lib/ui/widgets/tablet_mode/calls/call_window_widget.dart
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@ -1,10 +1,13 @@
import 'package:comunic/ui/screens/call_screen.dart'; import 'package:comunic/ui/screens/call_screen.dart';
import 'package:comunic/ui/widgets/tablet_mode/calls/calls_area.dart';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
/// Call window widget /// Call window widget
/// ///
/// @author Pierre HUBERT /// @author Pierre HUBERT
const _WindowSize = Size(500, 200);
class CallWindowWidget extends StatefulWidget { class CallWindowWidget extends StatefulWidget {
final int convID; final int convID;
@ -19,14 +22,59 @@ class CallWindowWidget extends StatefulWidget {
} }
class _CallWindowWidgetState extends State<CallWindowWidget> { class _CallWindowWidgetState extends State<CallWindowWidget> {
double _left, _top;
@override
void didChangeDependencies() {
super.didChangeDependencies();
// Initialize window coordinates
_top = 10;
_left = MediaQuery.of(context).size.width - 10 - _WindowSize.width;
}
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return Positioned( return Positioned(
width: 500, width: _WindowSize.width,
height: 200, height: _WindowSize.height,
right: 10, left: _left,
top: 10, top: _top,
child: Card(child: CallScreen(convID: widget.convID)), child: Draggable(
child: Card(child: CallScreen(convID: widget.convID)),
feedback: Container(
width: _WindowSize.width,
height: _WindowSize.height,
color: Colors.red,
),
onDragEnd: _moveEnd,
),
); );
} }
/// Compute new window position
void _moveEnd(DraggableDetails details) {
// Determine the limits of containing stack
RenderBox renderBox = context
.findAncestorStateOfType<CallsAreaState>()
.context
.findRenderObject();
final size = renderBox.size;
final offset = renderBox.localToGlobal(Offset.zero);
// Determine new window position
_top = details.offset.dy - offset.dy;
_left = details.offset.dx - offset.dx;
// Force the window to appear completely on the screen
if (_top + _WindowSize.height >= size.height)
_top = size.height - _WindowSize.height;
if (_left + _WindowSize.width >= size.width)
_left = size.width - _WindowSize.width;
if (_top < 0) _top = 0;
if (_left < 0) _left = 0;
setState(() {});
}
} }