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mirror of https://github.com/ppy/osu.git synced 2024-12-15 08:22:56 +08:00

Move selection logic from DragBox to BlueprintContainer

This commit is contained in:
ekrctb 2022-10-05 20:23:59 +09:00
parent d9c3f5834c
commit 8d29e9e76b
4 changed files with 34 additions and 89 deletions

View File

@ -3,7 +3,6 @@
#nullable disable
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Diagnostics;
@ -13,11 +12,9 @@ using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Input;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Game.Graphics.UserInterface;
using osu.Game.Rulesets.Edit;
using osuTK;
using osuTK.Input;
@ -79,7 +76,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
AddRangeInternal(new[]
{
DragBox = CreateDragBox(selectBlueprintsFromDragRectangle),
DragBox = CreateDragBox(),
SelectionHandler,
SelectionBlueprints = CreateSelectionBlueprintContainer(),
SelectionHandler.CreateProxy(),
@ -101,7 +98,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
[CanBeNull]
protected virtual SelectionBlueprint<T> CreateBlueprintFor(T item) => null;
protected virtual DragBox CreateDragBox(Action<RectangleF> performSelect) => new DragBox(performSelect);
protected virtual DragBox CreateDragBox() => new DragBox();
/// <summary>
/// Whether this component is in a state where items outside a drag selection should be deselected. If false, selection will only be added to.
@ -183,13 +180,9 @@ namespace osu.Game.Screens.Edit.Compose.Components
return true;
}
if (DragBox.HandleDrag(e))
{
DragBox.Show();
return true;
}
return false;
DragBox.HandleDrag(e);
DragBox.Show();
return true;
}
protected override void OnDrag(DragEvent e)
@ -198,7 +191,10 @@ namespace osu.Game.Screens.Edit.Compose.Components
return;
if (DragBox.State == Visibility.Visible)
{
DragBox.HandleDrag(e);
UpdateSelectionFromDragBox();
}
moveCurrentSelection(e);
}
@ -214,8 +210,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
changeHandler?.EndChange();
}
if (DragBox.State == Visibility.Visible)
DragBox.Hide();
DragBox.Hide();
}
/// <summary>
@ -380,28 +375,20 @@ namespace osu.Game.Screens.Edit.Compose.Components
}
/// <summary>
/// Select all masks in a given rectangle selection area.
/// Select all blueprints in a selection area specified by <see cref="DragBox"/>.
/// </summary>
/// <param name="rect">The rectangle to perform a selection on in screen-space coordinates.</param>
private void selectBlueprintsFromDragRectangle(RectangleF rect)
protected virtual void UpdateSelectionFromDragBox()
{
var quad = DragBox.Box.ScreenSpaceDrawQuad;
foreach (var blueprint in SelectionBlueprints)
{
// only run when utmost necessary to avoid unnecessary rect computations.
bool isValidForSelection() => blueprint.IsAlive && blueprint.IsPresent && rect.Contains(blueprint.ScreenSpaceSelectionPoint);
if (blueprint.IsSelected && !AllowDeselectionDuringDrag)
continue;
switch (blueprint.State)
{
case SelectionState.NotSelected:
if (isValidForSelection())
blueprint.Select();
break;
case SelectionState.Selected:
if (AllowDeselectionDuringDrag && !isValidForSelection())
blueprint.Deselect();
break;
}
bool shouldBeSelected = blueprint.IsAlive && blueprint.IsPresent && quad.Contains(blueprint.ScreenSpaceSelectionPoint);
if (blueprint.IsSelected != shouldBeSelected)
blueprint.ToggleSelection();
}
}

View File

@ -8,7 +8,6 @@ using osu.Framework;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Events;
using osu.Framework.Layout;
@ -21,18 +20,13 @@ namespace osu.Game.Screens.Edit.Compose.Components
/// </summary>
public class DragBox : CompositeDrawable, IStateful<Visibility>
{
protected readonly Action<RectangleF> PerformSelection;
protected Drawable Box;
public Drawable Box { get; private set; }
/// <summary>
/// Creates a new <see cref="DragBox"/>.
/// </summary>
/// <param name="performSelection">A delegate that performs drag selection.</param>
public DragBox(Action<RectangleF> performSelection)
public DragBox()
{
PerformSelection = performSelection;
RelativeSizeAxes = Axes.Both;
AlwaysPresent = true;
Alpha = 0;
@ -46,30 +40,14 @@ namespace osu.Game.Screens.Edit.Compose.Components
protected virtual Drawable CreateBox() => new BoxWithBorders();
private RectangleF? dragRectangle;
/// <summary>
/// Handle a forwarded mouse event.
/// </summary>
/// <param name="e">The mouse event.</param>
/// <returns>Whether the event should be handled and blocking.</returns>
public virtual bool HandleDrag(MouseButtonEvent e)
public virtual void HandleDrag(MouseButtonEvent e)
{
var dragPosition = e.ScreenSpaceMousePosition;
var dragStartPosition = e.ScreenSpaceMouseDownPosition;
var dragQuad = new Quad(dragStartPosition.X, dragStartPosition.Y, dragPosition.X - dragStartPosition.X, dragPosition.Y - dragStartPosition.Y);
// We use AABBFloat instead of RectangleF since it handles negative sizes for us
var rec = dragQuad.AABBFloat;
dragRectangle = rec;
var topLeft = ToLocalSpace(rec.TopLeft);
var bottomRight = ToLocalSpace(rec.BottomRight);
Box.Position = topLeft;
Box.Size = bottomRight - topLeft;
return true;
Box.Position = Vector2.ComponentMin(e.MouseDownPosition, e.MousePosition);
Box.Size = Vector2.ComponentMax(e.MouseDownPosition, e.MousePosition) - Box.Position;
}
private Visibility state;
@ -87,19 +65,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
}
}
protected override void Update()
{
base.Update();
if (dragRectangle != null)
PerformSelection?.Invoke(dragRectangle.Value);
}
public override void Hide()
{
State = Visibility.Hidden;
dragRectangle = null;
}
public override void Hide() => State = Visibility.Hidden;
public override void Show() => State = Visibility.Visible;

View File

@ -13,7 +13,6 @@ using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Events;
using osu.Framework.Utils;
@ -65,7 +64,6 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
protected override void LoadComplete()
{
base.LoadComplete();
DragBox.Alpha = 0;
placement = Beatmap.PlacementObject.GetBoundCopy();
placement.ValueChanged += placementChanged;
@ -93,6 +91,14 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
protected override Container<SelectionBlueprint<HitObject>> CreateSelectionBlueprintContainer() => new TimelineSelectionBlueprintContainer { RelativeSizeAxes = Axes.Both };
protected override bool OnDragStart(DragStartEvent e)
{
if (!base.ReceivePositionalInputAt(e.ScreenSpaceMouseDownPosition))
return false;
return base.OnDragStart(e);
}
protected override void OnDrag(DragEvent e)
{
handleScrollViaDrag(e);
@ -169,7 +175,7 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
};
}
protected override DragBox CreateDragBox(Action<RectangleF> performSelect) => new TimelineDragBox(performSelect);
protected override DragBox CreateDragBox() => new TimelineDragBox();
private void handleScrollViaDrag(DragEvent e)
{

View File

@ -6,7 +6,6 @@
using System;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Events;
using osu.Framework.Utils;
@ -24,24 +23,14 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
[Resolved]
private Timeline timeline { get; set; }
public TimelineDragBox(Action<RectangleF> performSelect)
: base(performSelect)
{
}
protected override Drawable CreateBox() => new Box
{
RelativeSizeAxes = Axes.Y,
Alpha = 0.3f
};
public override bool HandleDrag(MouseButtonEvent e)
public override void HandleDrag(MouseButtonEvent e)
{
// The dragbox should only be active if the mouseDownPosition.Y is within this drawable's bounds.
float localY = ToLocalSpace(e.ScreenSpaceMouseDownPosition).Y;
if (DrawRectangle.Top > localY || DrawRectangle.Bottom < localY)
return false;
selectionStart ??= e.MouseDownPosition.X / timeline.CurrentZoom;
// only calculate end when a transition is not in progress to avoid bouncing.
@ -49,7 +38,6 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
selectionEnd = e.MousePosition.X / timeline.CurrentZoom;
updateDragBoxPosition();
return true;
}
private void updateDragBoxPosition()
@ -68,8 +56,6 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
// we don't care about where the hitobjects are vertically. in cases like stacking display, they may be outside the box without this adjustment.
boxScreenRect.Y -= boxScreenRect.Height;
boxScreenRect.Height *= 2;
PerformSelection?.Invoke(boxScreenRect);
}
public override void Hide()