Allow commiting / undoing placement of blueprints using back / select bindings

osu.Game.Tests/Visual/Editing/TestScenePlacementBlueprint.cs

@@ -0,0 +1,83 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Screens;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Input.Bindings;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Osu;
+using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Edit.Compose.Components;
+using osu.Game.Tests.Beatmaps;
+using osuTK.Input;
+
+namespace osu.Game.Tests.Visual.Editing
+{
+    public partial class TestScenePlacementBlueprint : EditorTestScene
+    {
+        protected override Ruleset CreateEditorRuleset() => new OsuRuleset();
+
+        protected override IBeatmap CreateBeatmap(RulesetInfo ruleset) => new TestBeatmap(ruleset, false);
+
+        private GlobalActionContainer globalActionContainer => this.ChildrenOfType<GlobalActionContainer>().Single();
+
+        [Test]
+        public void TestCommitPlacementViaGlobalAction()
+        {
+            Playfield playfield = null!;
+
+            AddStep("select slider placement tool", () => InputManager.Key(Key.Number3));
+            AddStep("move mouse to top left of playfield", () =>
+            {
+                playfield = this.ChildrenOfType<Playfield>().Single();
+                var location = (3 * playfield.ScreenSpaceDrawQuad.TopLeft + playfield.ScreenSpaceDrawQuad.BottomRight) / 4;
+                InputManager.MoveMouseTo(location);
+            });
+            AddStep("begin placement", () => InputManager.Click(MouseButton.Left));
+            AddStep("move mouse to bottom right of playfield", () =>
+            {
+                var location = (playfield.ScreenSpaceDrawQuad.TopLeft + 3 * playfield.ScreenSpaceDrawQuad.BottomRight) / 4;
+                InputManager.MoveMouseTo(location);
+            });
+            AddStep("confirm via global action", () =>
+            {
+                globalActionContainer.TriggerPressed(GlobalAction.Select);
+                globalActionContainer.TriggerReleased(GlobalAction.Select);
+            });
+            AddAssert("slider placed", () => EditorBeatmap.HitObjects.Count, () => Is.EqualTo(1));
+        }
+
+        [Test]
+        public void TestAbortPlacementViaGlobalAction()
+        {
+            Playfield playfield = null!;
+
+            AddStep("select slider placement tool", () => InputManager.Key(Key.Number3));
+            AddStep("move mouse to top left of playfield", () =>
+            {
+                playfield = this.ChildrenOfType<Playfield>().Single();
+                var location = (3 * playfield.ScreenSpaceDrawQuad.TopLeft + playfield.ScreenSpaceDrawQuad.BottomRight) / 4;
+                InputManager.MoveMouseTo(location);
+            });
+            AddStep("begin placement", () => InputManager.Click(MouseButton.Left));
+            AddStep("move mouse to bottom right of playfield", () =>
+            {
+                var location = (playfield.ScreenSpaceDrawQuad.TopLeft + 3 * playfield.ScreenSpaceDrawQuad.BottomRight) / 4;
+                InputManager.MoveMouseTo(location);
+            });
+            AddStep("abort via global action", () =>
+            {
+                globalActionContainer.TriggerPressed(GlobalAction.Back);
+                globalActionContainer.TriggerReleased(GlobalAction.Back);
+            });
+            AddAssert("editor is still current", () => Editor.IsCurrentScreen());
+            AddAssert("slider not placed", () => EditorBeatmap.HitObjects.Count, () => Is.EqualTo(0));
+            AddAssert("no active placement", () => this.ChildrenOfType<ComposeBlueprintContainer>().Single().CurrentPlacement.PlacementActive,
+                () => Is.EqualTo(PlacementBlueprint.PlacementState.Waiting));
+        }
+    }
+}

osu.Game/Rulesets/Edit/PlacementBlueprint.cs

@@ -9,10 +9,12 @@
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Input.Bindings;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Edit.Compose;
@@ -24,7 +26,7 @@ namespace osu.Game.Rulesets.Edit
     /// <summary>
     /// A blueprint which governs the creation of a new <see cref="HitObject"/> to actualisation.
     /// </summary>
-    public abstract partial class PlacementBlueprint : CompositeDrawable
+    public abstract partial class PlacementBlueprint : CompositeDrawable, IKeyBindingHandler<GlobalAction>
     {
         /// <summary>
         /// Whether the <see cref="HitObject"/> is currently mid-placement, but has not necessarily finished being placed.
@@ -115,6 +117,30 @@ public void EndPlacement(bool commit)
             PlacementActive = PlacementState.Finished;
         }
 
+        public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
+        {
+            if (PlacementActive == PlacementState.Waiting)
+                return false;
+
+            switch (e.Action)
+            {
+                case GlobalAction.Select:
+                    EndPlacement(true);
+                    return true;
+
+                case GlobalAction.Back:
+                    EndPlacement(false);
+                    return true;
+
+                default:
+                    return false;
+            }
+        }
+
+        public void OnReleased(KeyBindingReleaseEvent<GlobalAction> e)
+        {
+        }
+
         /// <summary>
         /// Updates the time and position of this <see cref="PlacementBlueprint"/> based on the provided snap information.
         /// </summary>