GoaLitiuM/FlaxEngine
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add rubberband selection

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This commit is contained in:
nothingTVatYT
2024-02-14 23:14:25 +01:00
parent 6f4e599cc2
commit f1c0aea10f
1 changed files with 55 additions and 0 deletions
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55
Source/Editor/Content/GUI/ContentView.cs
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@@ -56,6 +56,9 @@ namespace FlaxEditor.Content.GUI
private float _viewScale = 1.0f;
private ContentViewType _viewType = ContentViewType.Tiles;
private bool _isRubberBandSpanning = false;
private Float2 _mousePresslocation;
private Rectangle _rubberBandRectangle;
#region External Events
@@ -607,9 +610,51 @@ namespace FlaxEditor.Content.GUI
{
if (base.OnMouseDown(location, button))
return true;
if (button == MouseButton.Left)
{
_mousePresslocation = location;
_rubberBandRectangle = new Rectangle(_mousePresslocation, 0, 0);
_isRubberBandSpanning = true;
StartMouseCapture();
}
return AutoFocus && Focus(this);
}
/// <inheritdoc />
public override void OnMouseMove(Float2 location)
{
if (_isRubberBandSpanning)
{
_rubberBandRectangle.Width = location.X - _mousePresslocation.X;
_rubberBandRectangle.Height = location.Y - _mousePresslocation.Y;
}
base.OnMouseMove(location);
}
/// <inheritdoc />
public override bool OnMouseUp(Float2 location, MouseButton button)
{
if (_isRubberBandSpanning)
{
_isRubberBandSpanning = false;
EndMouseCapture();
if (_rubberBandRectangle.Width < 0 || _rubberBandRectangle.Height < 0)
{
// make sure we have a well-formed rectangle i.e. size is positive and X/Y is upper left corner
var size = _rubberBandRectangle.Size;
_rubberBandRectangle.X = Mathf.Min(_rubberBandRectangle.X, _rubberBandRectangle.X + _rubberBandRectangle.Width);
_rubberBandRectangle.Y = Mathf.Min(_rubberBandRectangle.Y, _rubberBandRectangle.Y + _rubberBandRectangle.Height);
size.X = Mathf.Abs(size.X);
size.Y = Mathf.Abs(size.Y);
_rubberBandRectangle.Size = size;
}
var itemsInRectangle = _items.Where(t => _rubberBandRectangle.Intersects(t.Bounds)).ToList();
Select(itemsInRectangle, Input.GetKey(KeyboardKeys.Shift));
return true;
}
return base.OnMouseUp(location, button);
}
/// <inheritdoc />
public override bool OnMouseWheel(Float2 location, float delta)
{
@@ -714,6 +759,16 @@ namespace FlaxEditor.Content.GUI
return false;
}
/// <inheritdoc />
public override void DrawSelf()
{
base.DrawSelf();
if (_isRubberBandSpanning)
{
Render2D.DrawRectangle(_rubberBandRectangle, Color.White);
}
}
/// <inheritdoc />
protected override void PerformLayoutBeforeChildren()
{