Fixed radial menu input
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@@ -5,6 +5,7 @@
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#include "Components/CanvasPanel.h"
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#include "Components/CanvasPanelSlot.h"
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#include "Input/CommonUIInputTypes.h" // FBindUIActionArgs
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#include "InputCoreTypes.h" // EKeys::LeftMouseButton
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void URadialMenuWidget::InitializeFromController(
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URadialMenuController* InController, const TArray<FRadialMenuEntry>& InEntries)
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@@ -16,10 +17,22 @@ void URadialMenuWidget::InitializeFromController(
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void URadialMenuWidget::NativeOnActivated()
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{
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Super::NativeOnActivated();
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// Make sure the widget can actually hold focus; UCanvasPanel can't, so the
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// activatable widget itself is our focus target (see GetDesiredFocusTarget).
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SetIsFocusable(true);
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// Must be hit-testable for NativeOnMouseButtonDown (left-click confirm) to
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// fire. SelfHitTestInvisible/HitTestInvisible would let the click fall
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// through and never reach us.
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SetVisibility(ESlateVisibility::Visible);
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// Bind Confirm. FBindUIActionArgs accepts the row handle directly.
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// NOTE: Confirm must be mapped to a KEY (e.g. spacebar / face button), not
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// left mouse button. CommonUI routes left-click through its separate Default
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// Click Action path, so a click-mapped Confirm never reaches this binding.
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// To confirm via trackpad/left-click instead, handle the pointer click
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// directly (see NativeOnMouseButtonDown) rather than binding it here.
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if (!ConfirmAction.IsNull())
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{
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FBindUIActionArgs ConfirmArgs(
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@@ -38,6 +51,13 @@ void URadialMenuWidget::NativeOnActivated()
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BackArgs.bDisplayInActionBar = true;
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BackHandle = RegisterUIActionBinding(BackArgs);
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}
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// Reinforce: explicitly route focus to this widget for the owning player so
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// gamepad/keyboard input reaches the bindings even if the layer didn't.
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if (APlayerController* PC = GetOwningPlayer())
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{
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SetUserFocus(PC);
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}
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}
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void URadialMenuWidget::NativeOnDeactivated()
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@@ -57,10 +77,67 @@ void URadialMenuWidget::NativeOnDeactivated()
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UWidget* URadialMenuWidget::NativeGetDesiredFocusTarget() const
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{
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// Keep focus on the menu root so the bound actions receive input.
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// A UCanvasPanel is NOT focusable by default, so returning it here would
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// silently fail and the bound actions wouldn't receive input. The radial
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// menu has no single "default" child to land on (there's no list to
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// highlight), so we focus the activatable widget itself, which participates
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// in focus correctly. Requires bIsFocusable = true (set in NativeConstruct).
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return const_cast<URadialMenuWidget*>(this);
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}
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FReply URadialMenuWidget::NativeOnMouseButtonDown(const FGeometry& InGeometry,
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const FPointerEvent& InMouseEvent)
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{
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// Left-click anywhere on the menu confirms the currently hovered slice.
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// The controller already tracks the hovered index each tick from the cursor
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// angle, so the click itself carries no position logic — it just triggers
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// the confirm. This bypasses CommonUI's Default Click Action entirely.
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if (InMouseEvent.GetEffectingButton() == EKeys::LeftMouseButton)
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{
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if (OwningController.IsValid())
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{
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OwningController->CloseAndConfirm();
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}
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// Handle the event so it doesn't fall through to the click system.
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return FReply::Handled();
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}
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return Super::NativeOnMouseButtonDown(InGeometry, InMouseEvent);
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}
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FReply URadialMenuWidget::NativeOnAnalogValueChanged(const FGeometry& InGeometry,
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const FAnalogInputEvent& InAnalogEvent)
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{
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// Analog events arrive one axis per event, so we cache the latest value of
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// each right-stick axis and recompute direction whenever either changes.
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const FKey Key = InAnalogEvent.GetKey();
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bool bRightStick = false;
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if (Key == EKeys::Gamepad_RightX)
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{
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RightStickX = InAnalogEvent.GetAnalogValue();
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bRightStick = true;
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}
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else if (Key == EKeys::Gamepad_RightY)
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{
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RightStickY = InAnalogEvent.GetAnalogValue();
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bRightStick = true;
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}
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if (bRightStick && OwningController.IsValid())
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{
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// Stick Y is +up already (unlike screen space), so pass it straight
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// through. The controller applies its own dead zone.
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const float Mag = FVector2D(RightStickX, RightStickY).Size();
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OwningController->UpdateHoverFromDirection(RightStickX, RightStickY, Mag);
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// Consume so CommonUI's analog cursor doesn't also act on it.
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return FReply::Handled();
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}
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return Super::NativeOnAnalogValueChanged(InGeometry, InAnalogEvent);
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}
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void URadialMenuWidget::HandleConfirm()
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{
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// Route to the controller, which owns the state, time dilation, and the
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