41 lines
1.2 KiB
C#
41 lines
1.2 KiB
C#
|
using System;
|
||
|
|
using UnityEngine.UIElements;
|
||
|
|
|
||
|
|
namespace UnityEditor.Tilemaps
|
||
|
|
{
|
||
|
|
internal class TilePaletteDragHandler : MouseManipulator
|
||
|
|
{
|
||
|
|
private readonly Action m_DragUpdated;
|
||
|
|
private readonly Action m_DragPerformed;
|
||
|
|
|
||
|
|
public TilePaletteDragHandler(Action dragUpdated, Action dragPerformed)
|
||
|
|
{
|
||
|
|
m_DragUpdated = dragUpdated;
|
||
|
|
m_DragPerformed = dragPerformed;
|
||
|
|
activators.Add(new ManipulatorActivationFilter { button = MouseButton.LeftMouse });
|
||
|
|
}
|
||
|
|
|
||
|
|
protected override void RegisterCallbacksOnTarget()
|
||
|
|
{
|
||
|
|
target.RegisterCallback<DragUpdatedEvent>(OnDragUpdate);
|
||
|
|
target.RegisterCallback<DragPerformEvent>(OnDragPerformEvent);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected override void UnregisterCallbacksFromTarget()
|
||
|
|
{
|
||
|
|
target.UnregisterCallback<DragUpdatedEvent>(OnDragUpdate);
|
||
|
|
target.UnregisterCallback<DragPerformEvent>(OnDragPerformEvent);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void OnDragUpdate(DragUpdatedEvent evt)
|
||
|
|
{
|
||
|
|
m_DragUpdated?.Invoke();
|
||
|
|
}
|
||
|
|
|
||
|
|
private void OnDragPerformEvent(DragPerformEvent evt)
|
||
|
|
{
|
||
|
|
m_DragPerformed?.Invoke();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|