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Avoid using guesses to determine whether inputs blocked

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This commit is contained in:
Derrick Timmermans
2021-07-18 16:04:23 +02:00
parent e35cff99c7
commit ee220feecf
2 changed files with 15 additions and 30 deletions
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33
osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs
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@ -35,15 +35,10 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
private Bindable<HitObject> placement;
private SelectionBlueprint<HitObject> placementBlueprint;
// We want children to be able to be clicked and dragged
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
private SelectableAreaBackground backgroundBox;
// This drawable itself should still check whether the mouse is over it
private bool shouldHandleInputAt(Vector2 screenSpacePos)
{
float localY = ToLocalSpace(screenSpacePos).Y;
return DrawRectangle.Top <= localY && DrawRectangle.Bottom >= localY;
}
// We want children to be able to be clicked and dragged, regardless of this drawable's size
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
public TimelineBlueprintContainer(HitObjectComposer composer)
: base(composer)
@ -58,7 +53,7 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
[BackgroundDependencyLoader]
private void load()
{
AddInternal(new SelectableAreaBackground
AddInternal(backgroundBox = new SelectableAreaBackground
{
Colour = Color4.Black,
Depth = float.MaxValue,
@ -97,25 +92,13 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
protected override Container<SelectionBlueprint<HitObject>> CreateSelectionBlueprintContainer() => new TimelineSelectionBlueprintContainer { RelativeSizeAxes = Axes.Both };
protected override bool OnMouseDown(MouseDownEvent e)
{
int selectionCount = SelectedItems.Count;
// We let BlueprintContainer attempt a HitObject selection
// If it fails, we'll pass it this input back to the timeline so it can be dragged
// We know it failed if the selection count is unchanged after the selection attempt
if (base.OnMouseDown(e) && selectionCount != SelectedItems.Count)
return true;
return false;
}
protected override bool OnDragStart(DragStartEvent e)
{
if (!shouldHandleInputAt(e.ScreenSpaceMouseDownPosition))
return false;
// We should only allow BlueprintContainer to create a drag box if the mouse is within selection bounds
if (backgroundBox.ReceivePositionalInputAt(e.ScreenSpaceMouseDownPosition))
return base.OnDragStart(e);
return base.OnDragStart(e);
return false;
}
protected override void OnDrag(DragEvent e)