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106 行
3.3 KiB

using System;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.ui;
namespace Unity.UIWidgets.gestures {
public class DragDownDetails {
public DragDownDetails(
Offset globalPosition = null,
Offset localPosition = null
) {
this.globalPosition = globalPosition ?? Offset.zero;
this.localPosition = localPosition ?? this.globalPosition;
}
public readonly Offset globalPosition;
public readonly Offset localPosition;
public override string ToString() {
return GetType() + "(" + globalPosition + ")";
}
}
public delegate void GestureDragDownCallback(DragDownDetails details);
public class DragStartDetails {
public DragStartDetails(
TimeSpan sourceTimeStamp,
Offset globalPosition = null,
Offset localPosition = null
) {
this.sourceTimeStamp = sourceTimeStamp;
this.globalPosition = globalPosition ?? Offset.zero;
this.localPosition = localPosition ?? this.globalPosition;
}
public readonly TimeSpan sourceTimeStamp;
public readonly Offset globalPosition;
public readonly Offset localPosition;
public override string ToString() {
return GetType() + "(" + globalPosition + ")";
}
}
public delegate void GestureDragStartCallback(DragStartDetails details);
public class DragUpdateDetails {
public DragUpdateDetails(
TimeSpan sourceTimeStamp,
Offset delta = null,
float? primaryDelta = null,
Offset globalPosition = null,
Offset localPosition = null,
bool isScroll = false) {
this.sourceTimeStamp = sourceTimeStamp;
this.delta = delta ?? Offset.zero;
this.primaryDelta = primaryDelta;
this.globalPosition = globalPosition ?? Offset.zero;
this.localPosition = localPosition ?? this.globalPosition;
this.isScroll = isScroll;
D.assert(primaryDelta == null
|| primaryDelta == this.delta.dx && this.delta.dy == 0.0
|| primaryDelta == this.delta.dy && this.delta.dx == 0.0);
}
public readonly TimeSpan sourceTimeStamp;
public readonly Offset delta;
public readonly float? primaryDelta;
public readonly Offset globalPosition;
public readonly Offset localPosition;
public readonly bool isScroll;
public override string ToString() {
return GetType() + "(" + delta + ")";
}
}
public delegate void GestureDragUpdateCallback(DragUpdateDetails details);
public class DragEndDetails {
public DragEndDetails(
Velocity velocity = null,
float? primaryVelocity = null
) {
this.velocity = velocity ?? Velocity.zero;
this.primaryVelocity = primaryVelocity;
D.assert(primaryVelocity == null
|| primaryVelocity == this.velocity.pixelsPerSecond.dx
|| primaryVelocity == this.velocity.pixelsPerSecond.dy);
}
public readonly Velocity velocity;
public readonly float? primaryVelocity;
public override string ToString() {
return GetType() + "(" + velocity + ")";
}
}
}