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Code Issues Releases Wiki Activity

Cleanup SelectionBox

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This commit is contained in:
smoogipoo 2018-03-29 22:20:56 +09:00
parent 346de77776
commit 1018711cc9
2 changed files with 20 additions and 8 deletions
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2
osu.Game/Screens/Edit/Screens/Compose/Layers/HitObjectMaskLayer.cs
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@ -34,7 +34,7 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
selectionBox = composer.CreateSelectionBox();
var dragBox = new DragBox(maskContainer);
dragBox.DragEnd += () => selectionBox.FinishSelection();
dragBox.DragEnd += () => selectionBox.UpdateVisibility();
InternalChildren = new Drawable[]
{

26
osu.Game/Screens/Edit/Screens/Compose/Layers/SelectionBox.cs
View File

@ -12,13 +12,12 @@ using osu.Framework.Input;
using osu.Game.Graphics;
using osu.Game.Rulesets.Edit;
using osu.Game.Rulesets.Edit.Types;
using osu.Game.Rulesets.Objects.Drawables;
using OpenTK;
namespace osu.Game.Screens.Edit.Screens.Compose.Layers
{
/// <summary>
/// A box which surrounds <see cref="DrawableHitObject"/>s and provides interactive handles, context menus etc.
/// A box which surrounds <see cref="HitObjectMask"/>s and provides interactive handles, context menus etc.
/// </summary>
public class SelectionBox : CompositeDrawable
{
@ -52,6 +51,10 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
};
}
/// <summary>
/// Tracks a selectable <see cref="HitObjectMask"/>.
/// </summary>
/// <param name="mask">The <see cref="HitObjectMask"/> to track.</param>
public void AddMask(HitObjectMask mask)
{
mask.Selected += onSelected;
@ -59,6 +62,10 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
mask.SingleSelectionRequested += onSingleSelectionRequested;
}
/// <summary>
/// Stops tracking a <see cref="HitObjectMask"/>.
/// </summary>
/// <param name="mask">The <see cref="HitObjectMask"/> to stop tracking.</param>
public void RemoveMask(HitObjectMask mask)
{
mask.Selected -= onSelected;
@ -72,17 +79,18 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
{
selectedMasks.Remove(mask);
// We don't want to update visibility if > 0, since we may be deselecting masks during drag-selection
if (selectedMasks.Count == 0)
FinishSelection();
UpdateVisibility();
}
private void onSingleSelectionRequested(HitObjectMask mask)
{
selectedMasks.Add(mask);
FinishSelection();
UpdateVisibility();
}
// Only handle clicks on the selected masks
// Only handle input on the selected masks
public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => selectedMasks.Any(m => m.ReceiveMouseInputAt(screenSpacePos));
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => true;
@ -92,7 +100,8 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
if (state.Mouse.NativeState.PositionMouseDown == null)
throw new InvalidOperationException("Click event received without a mouse down position.");
// If the mouse has moved slightly, but hasn't been dragged, select the mask which would've handled the mouse down
// We handled mousedown, but if the mouse has been clicked and not dragged, select the mask which would've handled the mouse down
// A mousedown event is triggered such that a single selection is requested
selectedMasks.First(m => m.ReceiveMouseInputAt(state.Mouse.NativeState.PositionMouseDown.Value)).TriggerOnMouseDown(state);
return true;
}
@ -118,7 +127,10 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
protected override bool OnDragEnd(InputState state) => true;
public void FinishSelection()
/// <summary>
/// Updates whether this <see cref="SelectionBox"/> is visible.
/// </summary>
public void UpdateVisibility()
{
if (selectedMasks.Count > 0)
Show();