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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,195 @@ | ||
| using Robust.Client.Graphics; | ||
| using Robust.Client.UserInterface; | ||
| using Robust.Client.UserInterface.Controls; | ||
| using Robust.Shared.Input; | ||
|
|
||
| namespace OpenDreamClient.Interface.Controls.UI; | ||
|
|
||
| /// <summary> | ||
| /// A splitter control that gives 2 children a resizable amount of space. | ||
| /// Equivalent to BYOND's CHILD control. | ||
| /// </summary> | ||
| /// <remarks>Do not add children directly! Use <see cref="Left"/> and <see cref="Right"/>.</remarks> | ||
| public sealed class Splitter : Container { | ||
| public float SplitterWidth { | ||
| get => _splitterWidth; | ||
| set { | ||
| _splitterWidth = value; | ||
| InvalidateMeasure(); | ||
| } | ||
| } | ||
|
|
||
| public Control? Left { | ||
| get => _left; | ||
| set { | ||
| if (_left == value) | ||
| return; | ||
|
|
||
| if (_left != null) | ||
| RemoveChild(_left); | ||
|
|
||
| _left = value; | ||
| if (_left != null) | ||
| AddChild(_left); | ||
| } | ||
| } | ||
|
|
||
| public Control? Right { | ||
| get => _right; | ||
| set { | ||
| if (_right == value) | ||
| return; | ||
|
|
||
| if (_right != null) | ||
| RemoveChild(_right); | ||
|
|
||
| _right = value; | ||
| if (_right != null) | ||
| AddChild(_right); | ||
| } | ||
| } | ||
|
|
||
| public float SplitterPercentage { | ||
| get => _splitterPercentage; | ||
| set { | ||
| _splitterPercentage = Math.Clamp(value, 0.1f, 0.9f); | ||
| InvalidateMeasure(); | ||
| } | ||
| } | ||
|
|
||
| public bool Vertical { | ||
| get => _vertical; | ||
| set { | ||
| _vertical = value; | ||
| _drag.DefaultCursorShape = value ? CursorShape.HResize : CursorShape.VResize; | ||
| InvalidateMeasure(); | ||
| } | ||
| } | ||
|
|
||
| private readonly DragControl _drag = new(); | ||
|
|
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| private float _splitterWidth = 5f; | ||
| private float _splitterPercentage = 0.5f; | ||
| private bool _vertical; | ||
| private bool _dragging; | ||
| private Control? _left, _right; | ||
|
|
||
| public Splitter() { | ||
| MouseFilter = MouseFilterMode.Stop; | ||
|
|
||
| _drag.OnMouseMove += MouseMove; | ||
| _drag.OnMouseDown += StartDragging; | ||
| _drag.OnMouseUp += StopDragging; | ||
| AddChild(_drag); | ||
| } | ||
|
|
||
| protected override Vector2 MeasureOverride(Vector2 availableSize) { | ||
| var space = CalculateSpace(availableSize); | ||
|
|
||
| _left?.Measure(space.LeftBox.Size); | ||
| _drag.Measure(space.DragBox.Size); | ||
| _right?.Measure(space.RightBox.Size); | ||
|
|
||
| // Always take the full space | ||
| return availableSize; | ||
| } | ||
|
|
||
| protected override Vector2 ArrangeOverride(Vector2 finalSize) { | ||
| var space = CalculateSpace(finalSize); | ||
|
|
||
| _left?.Arrange(space.LeftBox); | ||
| _drag.Arrange(space.DragBox); | ||
| _right?.Arrange(space.RightBox); | ||
|
|
||
| // Always take the full space | ||
| return finalSize; | ||
| } | ||
|
|
||
| protected override void MouseMove(GUIMouseMoveEventArgs args) { | ||
| if (!_dragging) | ||
| return; | ||
|
|
||
| var relative = args.GlobalPosition - GlobalPosition; | ||
|
|
||
| if (Vertical) { | ||
| SplitterPercentage = relative.X / Size.X; | ||
| } else { | ||
| SplitterPercentage = relative.Y / Size.Y; | ||
| } | ||
| } | ||
|
|
||
| private void StartDragging(GUIBoundKeyEventArgs args) { | ||
| if (_dragging) | ||
| return; | ||
|
|
||
| _dragging = true; | ||
| DefaultCursorShape = Vertical ? CursorShape.HResize : CursorShape.VResize; | ||
| } | ||
|
|
||
| private void StopDragging(GUIBoundKeyEventArgs args) { | ||
| _dragging = false; | ||
| DefaultCursorShape = CursorShape.Arrow; | ||
| } | ||
|
|
||
| private (UIBox2 LeftBox, UIBox2 DragBox, UIBox2 RightBox) CalculateSpace(Vector2 available) { | ||
| if (_left != null && _right == null) | ||
| return (UIBox2.FromDimensions(Vector2.Zero, available), default, default); | ||
| if (_left == null && _right != null) | ||
| return (default, default, UIBox2.FromDimensions(Vector2.Zero, available)); | ||
| if (_left == null && _right == null) | ||
| return (default, default, default); | ||
|
|
||
| var leftSize = Vertical | ||
| ? available with { X = available.X * SplitterPercentage - SplitterWidth/2 } | ||
| : available with { Y = available.Y * SplitterPercentage - SplitterWidth/2 }; | ||
| var rightSize = Vertical | ||
| ? available with { X = available.X * (1f - SplitterPercentage) - SplitterWidth/2 } | ||
| : available with { Y = available.Y * (1f - SplitterPercentage) - SplitterWidth/2 }; | ||
| var dragSize = Vertical | ||
| ? available with { X = SplitterWidth } | ||
| : available with { Y = SplitterWidth }; | ||
| var dragPos = Vertical | ||
| ? leftSize with { Y = 0f } | ||
| : leftSize with { X = 0f }; | ||
| var rightPos = Vertical | ||
| ? new Vector2(leftSize.X + SplitterWidth, 0f) | ||
| : new Vector2(0f, leftSize.Y + SplitterWidth); | ||
|
|
||
| return ( | ||
| UIBox2.FromDimensions(Vector2.Zero, leftSize), | ||
| UIBox2.FromDimensions(dragPos, dragSize), | ||
| UIBox2.FromDimensions(rightPos, rightSize) | ||
| ); | ||
| } | ||
|
|
||
| private sealed class DragControl : Control { | ||
| public event Action<GUIBoundKeyEventArgs>? OnMouseDown; | ||
| public event Action<GUIBoundKeyEventArgs>? OnMouseUp; | ||
| public event Action<GUIMouseMoveEventArgs>? OnMouseMove; | ||
|
|
||
| public DragControl() { | ||
| MouseFilter = MouseFilterMode.Stop; | ||
| } | ||
|
|
||
| protected override void MouseMove(GUIMouseMoveEventArgs args) { | ||
| base.MouseMove(args); | ||
| OnMouseMove?.Invoke(args); | ||
| } | ||
|
|
||
| protected override void KeyBindDown(GUIBoundKeyEventArgs args) { | ||
| base.KeyBindDown(args); | ||
| if (args.Function == EngineKeyFunctions.UIClick) | ||
| OnMouseDown?.Invoke(args); | ||
| } | ||
|
|
||
| protected override void KeyBindUp(GUIBoundKeyEventArgs args) { | ||
| base.KeyBindUp(args); | ||
| if (args.Function == EngineKeyFunctions.UIClick) | ||
| OnMouseUp?.Invoke(args); | ||
| } | ||
|
|
||
| protected override void Draw(DrawingHandleScreen handle) { | ||
| handle.DrawRect(UIBox2.FromDimensions(Vector2.Zero, PixelSize), Color.Gray, filled: false); | ||
| } | ||
| } | ||
| } |
2 changes: 1 addition & 1 deletion
2
...lient/Interface/Controls/VerbPanelGrid.cs → ...nt/Interface/Controls/UI/VerbPanelGrid.cs
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