85 lines
2.7 KiB
Dart
85 lines
2.7 KiB
Dart
import 'dart:io';
|
|
|
|
import 'package:flutter/foundation.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_filament/widgets/filament_gesture_detector_desktop.dart';
|
|
import 'package:flutter_filament/widgets/filament_gesture_detector_mobile.dart';
|
|
import '../filament_controller.dart';
|
|
|
|
enum GestureType { rotateCamera, panCamera, panBackground }
|
|
|
|
///
|
|
/// A widget that translates finger/mouse gestures to zoom/pan/rotate actions.
|
|
///
|
|
class FilamentGestureDetector extends StatelessWidget {
|
|
///
|
|
/// The content to display below the gesture detector/listener widget.
|
|
/// This will usually be a FilamentWidget (so you can navigate by directly interacting with the viewport), but this is not necessary.
|
|
/// It is equally possible to render the viewport/gesture controls elsewhere in the widget hierarchy. The only requirement is that they share the same [FilamentController].
|
|
///
|
|
final Widget? child;
|
|
|
|
///
|
|
/// The [controller] attached to the [FilamentWidget] you wish to control.
|
|
///
|
|
final FilamentController controller;
|
|
|
|
///
|
|
/// If true, an overlay will be shown with buttons to toggle whether pointer movements are interpreted as:
|
|
/// 1) rotate or a pan (mobile only),
|
|
/// 2) moving the camera or the background image (TODO).
|
|
///
|
|
final bool showControlOverlay;
|
|
|
|
///
|
|
/// If false, gestures will not manipulate the active camera.
|
|
///
|
|
final bool enableCamera;
|
|
|
|
///
|
|
/// If false, pointer down events will not trigger hit-testing (picking).
|
|
///
|
|
final bool enablePicking;
|
|
|
|
final void Function(ScaleStartDetails)? onScaleStart;
|
|
final void Function(ScaleUpdateDetails)? onScaleUpdate;
|
|
final void Function(ScaleEndDetails)? onScaleEnd;
|
|
|
|
const FilamentGestureDetector(
|
|
{Key? key,
|
|
required this.controller,
|
|
this.child,
|
|
this.showControlOverlay = false,
|
|
this.enableCamera = true,
|
|
this.enablePicking = true,
|
|
this.onScaleStart,
|
|
this.onScaleUpdate,
|
|
this.onScaleEnd})
|
|
: super(key: key);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
if (kIsWeb) {
|
|
throw Exception("TODO");
|
|
} else if (Platform.isLinux || Platform.isWindows || Platform.isMacOS) {
|
|
return FilamentGestureDetectorDesktop(
|
|
controller: controller,
|
|
child: child,
|
|
showControlOverlay: showControlOverlay,
|
|
enableCamera: enableCamera,
|
|
enablePicking: enablePicking,
|
|
);
|
|
} else {
|
|
return FilamentGestureDetectorMobile(
|
|
controller: controller,
|
|
child: child,
|
|
showControlOverlay: showControlOverlay,
|
|
enableCamera: enableCamera,
|
|
enablePicking: enablePicking,
|
|
onScaleStart: onScaleStart,
|
|
onScaleUpdate: onScaleUpdate,
|
|
onScaleEnd: onScaleEnd);
|
|
}
|
|
}
|
|
}
|