Adjust calls to `GetContainingInputManager()`

osu.Game.Rulesets.Catch/Edit/Blueprints/JuiceStreamPlacementBlueprint.cs

@@ -49,7 +49,7 @@ protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            inputManager = GetContainingInputManager();
+            inputManager = GetContainingInputManager()!;
 
             BeginPlacement();
         }

osu.Game.Rulesets.Catch/UI/CatcherArea.cs

@@ -84,7 +84,7 @@ protected override void Update()
         {
             base.Update();
 
-            var replayState = (GetContainingInputManager().CurrentState as RulesetInputManagerInputState<CatchAction>)?.LastReplayState as CatchFramedReplayInputHandler.CatchReplayState;
+            var replayState = (GetContainingInputManager()!.CurrentState as RulesetInputManagerInputState<CatchAction>)?.LastReplayState as CatchFramedReplayInputHandler.CatchReplayState;
 
             SetCatcherPosition(
                 replayState?.CatcherX ??

osu.Game.Rulesets.Mania.Tests/TestSceneDrawableManiaHitObject.cs

@@ -66,7 +66,7 @@ public void TestHoldNoteHeadVisibility()
             AddStep("Hold key", () =>
             {
                 clock.CurrentTime = 0;
-                note.OnPressed(new KeyBindingPressEvent<ManiaAction>(GetContainingInputManager().CurrentState, ManiaAction.Key1));
+                note.OnPressed(new KeyBindingPressEvent<ManiaAction>(GetContainingInputManager()!.CurrentState, ManiaAction.Key1));
             });
             AddStep("progress time", () => clock.CurrentTime = 500);
             AddAssert("head is visible", () => note.Head.Alpha == 1);

osu.Game.Rulesets.Osu.Tests/TestSceneGameplayCursor.cs

@@ -161,9 +161,9 @@ public bool Pressed
 
                     pressed = value;
                     if (value)
-                        OnPressed(new KeyBindingPressEvent<OsuAction>(GetContainingInputManager().CurrentState, OsuAction.LeftButton));
+                        OnPressed(new KeyBindingPressEvent<OsuAction>(GetContainingInputManager()!.CurrentState, OsuAction.LeftButton));
                     else
-                        OnReleased(new KeyBindingReleaseEvent<OsuAction>(GetContainingInputManager().CurrentState, OsuAction.LeftButton));
+                        OnReleased(new KeyBindingReleaseEvent<OsuAction>(GetContainingInputManager()!.CurrentState, OsuAction.LeftButton));
                 }
             }
 

osu.Game.Rulesets.Osu.Tests/TestSceneHitCircleArea.cs

@@ -100,7 +100,7 @@ public void TestCircleMissBoundingBoxCorner()
         private void scheduleHit() => AddStep("schedule action", () =>
         {
             double delay = hitCircle.StartTime - hitCircle.HitWindows.WindowFor(HitResult.Great) - Time.Current;
-            Scheduler.AddDelayed(() => hitAreaReceptor.OnPressed(new KeyBindingPressEvent<OsuAction>(GetContainingInputManager().CurrentState, OsuAction.LeftButton)), delay);
+            Scheduler.AddDelayed(() => hitAreaReceptor.OnPressed(new KeyBindingPressEvent<OsuAction>(GetContainingInputManager()!.CurrentState, OsuAction.LeftButton)), delay);
         });
     }
 }

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

@@ -92,7 +92,7 @@ protected override void LoadComplete()
             {
                 base.LoadComplete();
 
-                updatePosition(GetContainingInputManager().CurrentState.Mouse.Position);
+                updatePosition(GetContainingInputManager()!.CurrentState.Mouse.Position);
             }
 
             protected override bool OnMouseMove(MouseMoveEvent e)

osu.Game/Graphics/Cursor/GlobalCursorDisplay.cs

@@ -53,7 +53,7 @@ protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            inputManager = GetContainingInputManager();
+            inputManager = GetContainingInputManager()!;
             showDuringTouch = config.GetBindable<bool>(OsuSetting.GameplayCursorDuringTouch);
         }
 

osu.Game/Graphics/UserInterface/FocusedTextBox.cs

@@ -31,7 +31,7 @@ public void TakeFocus()
             if (!allowImmediateFocus)
                 return;
 
-            Scheduler.Add(() => GetContainingFocusManager()?.ChangeFocus(this));
+            Scheduler.Add(() => GetContainingFocusManager()!.ChangeFocus(this));
         }
 
         public new void KillFocus() => base.KillFocus();

osu.Game/Graphics/UserInterfaceV2/LabelledTextBox.cs

@@ -59,7 +59,7 @@ private void load(OsuColour colours)
         protected override void OnFocus(FocusEvent e)
         {
             base.OnFocus(e);
-            GetContainingFocusManager()?.ChangeFocus(Component);
+            GetContainingFocusManager()!.ChangeFocus(Component);
         }
 
         protected override OsuTextBox CreateComponent() => CreateTextBox().With(t =>

osu.Game/Overlays/AccountCreation/ScreenEntry.cs

@@ -243,7 +243,7 @@ private bool focusNextTextBox()
 
             if (nextTextBox != null)
             {
-                Schedule(() => GetContainingFocusManager()?.ChangeFocus(nextTextBox));
+                Schedule(() => GetContainingFocusManager()!.ChangeFocus(nextTextBox));
                 return true;
             }
 

osu.Game/Overlays/Comments/ReplyCommentEditor.cs

@@ -39,7 +39,7 @@ protected override void LoadComplete()
             base.LoadComplete();
 
             if (!TextBox.ReadOnly)
-                GetContainingFocusManager()?.ChangeFocus(TextBox);
+                GetContainingFocusManager()!.ChangeFocus(TextBox);
         }
 
         protected override void OnCommit(string text)

osu.Game/Overlays/Login/LoginForm.cs

@@ -150,7 +150,7 @@ private void performLogin()
 
         protected override void OnFocus(FocusEvent e)
         {
-            Schedule(() => { GetContainingFocusManager()?.ChangeFocus(string.IsNullOrEmpty(username.Text) ? username : password); });
+            Schedule(() => { GetContainingFocusManager()!.ChangeFocus(string.IsNullOrEmpty(username.Text) ? username : password); });
         }
     }
 }

osu.Game/Overlays/Login/LoginPanel.cs

@@ -216,7 +216,7 @@ private void updateDropdownCurrent(UserStatus? status)
 
         protected override void OnFocus(FocusEvent e)
         {
-            if (form != null) GetContainingFocusManager()?.ChangeFocus(form);
+            if (form != null) GetContainingFocusManager()!.ChangeFocus(form);
             base.OnFocus(e);
         }
     }

osu.Game/Overlays/Login/SecondFactorAuthForm.cs

@@ -141,7 +141,7 @@ private void load()
 
         protected override void OnFocus(FocusEvent e)
         {
-            Schedule(() => { GetContainingFocusManager()?.ChangeFocus(codeTextBox); });
+            Schedule(() => { GetContainingFocusManager()!.ChangeFocus(codeTextBox); });
         }
     }
 }

osu.Game/Overlays/LoginOverlay.cs

@@ -78,7 +78,7 @@ protected override void PopIn()
             this.FadeIn(transition_time, Easing.OutQuint);
             FadeEdgeEffectTo(WaveContainer.SHADOW_OPACITY, WaveContainer.APPEAR_DURATION, Easing.Out);
 
-            ScheduleAfterChildren(() => GetContainingFocusManager()?.ChangeFocus(panel));
+            ScheduleAfterChildren(() => GetContainingFocusManager()!.ChangeFocus(panel));
         }
 
         protected override void PopOut()

osu.Game/Overlays/Mods/AddPresetPopover.cs

@@ -89,7 +89,7 @@ protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            ScheduleAfterChildren(() => GetContainingFocusManager()?.ChangeFocus(nameTextBox));
+            ScheduleAfterChildren(() => GetContainingFocusManager()!.ChangeFocus(nameTextBox));
 
             nameTextBox.Current.BindValueChanged(s =>
             {

osu.Game/Overlays/Mods/EditPresetPopover.cs

@@ -136,7 +136,7 @@ protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            ScheduleAfterChildren(() => GetContainingFocusManager()?.ChangeFocus(nameTextBox));
+            ScheduleAfterChildren(() => GetContainingFocusManager()!.ChangeFocus(nameTextBox));
         }
 
         public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)

osu.Game/Overlays/Mods/ModSelectOverlay.cs

@@ -949,7 +949,7 @@ protected override bool OnClick(ClickEvent e)
                     RequestScroll?.Invoke(this);
 
                 // Killing focus is done here because it's the only feasible place on ModSelectOverlay you can click on without triggering any action.
-                Scheduler.Add(() => GetContainingFocusManager()?.ChangeFocus(null));
+                Scheduler.Add(() => GetContainingFocusManager()!.ChangeFocus(null));
 
                 return true;
             }

osu.Game/Overlays/Settings/Sections/Input/KeyBindingRow.cs

@@ -465,7 +465,7 @@ private void finalise(bool advanceToNextBinding = true)
             }
 
             if (HasFocus)
-                GetContainingFocusManager()?.ChangeFocus(null);
+                GetContainingFocusManager()!.ChangeFocus(null);
 
             cancelAndClearButtons.FadeOut(300, Easing.OutQuint);
             cancelAndClearButtons.BypassAutoSizeAxes |= Axes.Y;

osu.Game/Overlays/SettingsPanel.cs

@@ -201,7 +201,7 @@ protected override void PopOut()
 
             searchTextBox.HoldFocus = false;
             if (searchTextBox.HasFocus)
-                GetContainingFocusManager()?.ChangeFocus(null);
+                GetContainingFocusManager()!.ChangeFocus(null);
         }
 
         public override bool AcceptsFocus => true;

osu.Game/Overlays/SkinEditor/SkinEditor.cs

@@ -669,7 +669,7 @@ public Task Import(params string[] paths)
                 {
                     SpriteName = { Value = file.Name },
                     Origin = Anchor.Centre,
-                    Position = skinnableTarget.ToLocalSpace(GetContainingInputManager().CurrentState.Mouse.Position),
+                    Position = skinnableTarget.ToLocalSpace(GetContainingInputManager()!.CurrentState.Mouse.Position),
                 };
 
                 SelectedComponents.Clear();

osu.Game/Screens/Edit/Compose/Components/BeatDivisorControl.cs

@@ -580,7 +580,7 @@ protected override void LoadComplete()
             {
                 base.LoadComplete();
 
-                GetContainingFocusManager()?.ChangeFocus(this);
+                GetContainingFocusManager()!.ChangeFocus(this);
                 SelectAll();
             }
         }

osu.Game/Screens/Edit/Compose/Components/Timeline/DifficultyPointPiece.cs

@@ -138,7 +138,7 @@ private void load()
             protected override void LoadComplete()
             {
                 base.LoadComplete();
-                ScheduleAfterChildren(() => GetContainingFocusManager()?.ChangeFocus(sliderVelocitySlider));
+                ScheduleAfterChildren(() => GetContainingFocusManager()!.ChangeFocus(sliderVelocitySlider));
             }
         }
     }

osu.Game/Screens/Edit/Setup/LabelledTextBoxWithPopover.cs

@@ -45,7 +45,7 @@ protected override void OnFocus(FocusEvent e)
                 OnFocused?.Invoke();
                 base.OnFocus(e);
 
-                GetContainingFocusManager()?.TriggerFocusContention(this);
+                GetContainingFocusManager()!.TriggerFocusContention(this);
             }
         }
     }

osu.Game/Screens/Edit/Setup/MetadataSection.cs

@@ -70,7 +70,7 @@ protected override void LoadComplete()
             base.LoadComplete();
 
             if (string.IsNullOrEmpty(ArtistTextBox.Current.Value))
-                ScheduleAfterChildren(() => GetContainingFocusManager()?.ChangeFocus(ArtistTextBox));
+                ScheduleAfterChildren(() => GetContainingFocusManager()!.ChangeFocus(ArtistTextBox));
 
             ArtistTextBox.Current.BindValueChanged(artist => transferIfRomanised(artist.NewValue, RomanisedArtistTextBox));
             TitleTextBox.Current.BindValueChanged(title => transferIfRomanised(title.NewValue, RomanisedTitleTextBox));

osu.Game/Screens/Edit/Timing/IndeterminateSliderWithTextBoxInput.cs

@@ -126,7 +126,7 @@ public IndeterminateSliderWithTextBoxInput(LocalisableString labelText, Bindable
         protected override void OnFocus(FocusEvent e)
         {
             base.OnFocus(e);
-            GetContainingFocusManager()?.ChangeFocus(textBox);
+            GetContainingFocusManager()!.ChangeFocus(textBox);
         }
 
         private void updateState()

osu.Game/Screens/Edit/Verify/IssueTable.cs

@@ -53,7 +53,7 @@ public IEnumerable<Issue> Issues
                             if (issue.Time != null)
                             {
                                 clock.Seek(issue.Time.Value);
-                                editor.OnPressed(new KeyBindingPressEvent<GlobalAction>(GetContainingInputManager().CurrentState, GlobalAction.EditorComposeMode));
+                                editor.OnPressed(new KeyBindingPressEvent<GlobalAction>(GetContainingInputManager()!.CurrentState, GlobalAction.EditorComposeMode));
                             }
 
                             if (!issue.HitObjects.Any())

osu.Game/Screens/OnlinePlay/Lounge/DrawableLoungeRoom.cs

@@ -248,7 +248,7 @@ protected override void LoadComplete()
             {
                 base.LoadComplete();
 
-                ScheduleAfterChildren(() => GetContainingFocusManager()?.ChangeFocus(passwordTextBox));
+                ScheduleAfterChildren(() => GetContainingFocusManager()!.ChangeFocus(passwordTextBox));
                 passwordTextBox.OnCommit += (_, _) => performJoin();
             }
 
@@ -262,7 +262,7 @@ private void joinFailed(string error) => Schedule(() =>
             {
                 passwordTextBox.Text = string.Empty;
 
-                GetContainingFocusManager()?.ChangeFocus(passwordTextBox);
+                GetContainingFocusManager()!.ChangeFocus(passwordTextBox);
 
                 errorText.Text = error;
                 errorText

osu.Game/Screens/Play/PlayerLoader.cs

@@ -249,7 +249,7 @@ protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            inputManager = GetContainingInputManager();
+            inputManager = GetContainingInputManager()!;
 
             showStoryboards.BindValueChanged(val => epilepsyWarning?.FadeTo(val.NewValue ? 1 : 0, 250, Easing.OutQuint), true);
             epilepsyWarning?.FinishTransforms(true);

osu.Game/Screens/Select/BeatmapCarousel.cs

@@ -1279,7 +1279,7 @@ protected override bool OnMouseDown(MouseDownEvent e)
                 {
                     // we need to block right click absolute scrolling when hovering a carousel item so context menus can display.
                     // this can be reconsidered when we have an alternative to right click scrolling.
-                    if (GetContainingInputManager().HoveredDrawables.OfType<DrawableCarouselItem>().Any())
+                    if (GetContainingInputManager()!.HoveredDrawables.OfType<DrawableCarouselItem>().Any())
                     {
                         rightMouseScrollBlocked = true;
                         return false;

osu.Game/Screens/Select/FilterControl.cs

@@ -245,7 +245,7 @@ public void Deactivate()
             searchTextBox.ReadOnly = true;
             searchTextBox.HoldFocus = false;
             if (searchTextBox.HasFocus)
-                GetContainingFocusManager()?.ChangeFocus(searchTextBox);
+                GetContainingFocusManager()!.ChangeFocus(searchTextBox);
         }
 
         public void Activate()

osu.Game/Screens/Select/PlaySongSelect.cs

@@ -95,7 +95,7 @@ protected override bool OnStart()
             modsAtGameplayStart = Mods.Value;
 
             // Ctrl+Enter should start map with autoplay enabled.
-            if (GetContainingInputManager().CurrentState?.Keyboard.ControlPressed == true)
+            if (GetContainingInputManager()?.CurrentState?.Keyboard.ControlPressed == true)
             {
                 var autoInstance = getAutoplayMod();
 

osu.Game/Screens/SelectV2/Footer/BeatmapOptionsPopover.cs

@@ -81,7 +81,7 @@ protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            ScheduleAfterChildren(() => GetContainingFocusManager()?.ChangeFocus(this));
+            ScheduleAfterChildren(() => GetContainingFocusManager()!.ChangeFocus(this));
 
             beatmap.BindValueChanged(_ => Hide());
         }

osu.Game/Screens/Utility/SampleComponents/LatencySampleComponent.cs

@@ -38,7 +38,7 @@ protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            inputManager = GetContainingInputManager();
+            inputManager = GetContainingInputManager()!;
             IsActive.BindTo(latencyArea.IsActiveArea);
         }