140 lines
5.4 KiB
C++
140 lines
5.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Widgets/Views/STableRow.h"
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#include "Widgets/Views/SListView.h"
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class STableViewBase;
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class UStateTreeState;
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enum class EStateTreeTransitionTrigger : uint8;
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enum class EStateTreeNodeFormatting : uint8;
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struct FStateTreeStateLink;
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struct FStateTreeEditorNode;
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class UStateTreeEditorData;
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class SStateTreeView;
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class SBorder;
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class SInlineEditableTextBlock;
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class SScrollBox;
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class FStateTreeViewModel;
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class SStateTreeViewRow : public STableRow<TWeakObjectPtr<UStateTreeState>>
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{
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public:
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SLATE_BEGIN_ARGS(SStateTreeViewRow)
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{
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}
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs, const TSharedRef<STableViewBase>& InOwnerTableView, TWeakObjectPtr<UStateTreeState> InState, const TSharedPtr<SScrollBox>& ViewBox, TSharedPtr<FStateTreeViewModel> InStateTreeViewModel);
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~SStateTreeViewRow();
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void RequestRename() const;
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private:
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enum class ETransitionDescRequirement : uint8
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{
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Any,
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RequiredTrue,
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RequiredFalse,
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};
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/**
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* Filtering options used to build the description of the transitions.
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* The default setup includes only enabled transition,
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* with or without breakpoints and requires exact trigger match (no partial mask)
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*/
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struct FTransitionDescFilterOptions
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{
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FTransitionDescFilterOptions() {};
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ETransitionDescRequirement Enabled = ETransitionDescRequirement::RequiredTrue;
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ETransitionDescRequirement WithBreakpoint = ETransitionDescRequirement::Any;
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bool bUseMask = false;
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};
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TSharedRef<SWidget> MakeTasksWidget(const TSharedPtr<SScrollBox>& ViewBox);
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TSharedRef<SWidget> MakeConditionsWidget(const TSharedPtr<SScrollBox>& ViewBox);
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void MakeTransitionsWidget();
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TSharedRef<SWidget> MakeTransitionWidget(const EStateTreeTransitionTrigger Trigger, const FSlateBrush* Icon);
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TSharedRef<SWidget> MakeTransitionWidgetInternal(const EStateTreeTransitionTrigger Trigger, const FTransitionDescFilterOptions FilterOptions = {});
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void MakeFlagsWidget();
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FSlateColor GetTitleColor(const float Alpha = 1.0f, const float Lighten = 0.0f) const;
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FSlateColor GetActiveStateColor() const;
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FText GetStateDesc() const;
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FText GetStateIDDesc() const;
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FSlateColor GetSubTreeMarkerColor() const;
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EVisibility GetSubTreeVisibility() const;
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EVisibility GetConditionVisibility() const;
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EVisibility GetStateBreakpointVisibility() const;
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FText GetStateBreakpointTooltipText() const;
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const FSlateBrush* GetSelectorIcon() const;
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FText GetSelectorTooltip() const;
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FText GetStateTypeTooltip() const;
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const FStateTreeEditorNode* GetTaskNodeByID(FGuid TaskID) const;
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EVisibility GetTaskIconVisibility(FGuid TaskID) const;
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const FSlateBrush* GetTaskIcon(FGuid TaskID) const;
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FSlateColor GetTaskIconColor(FGuid TaskID) const;
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FText GetTaskDesc(FGuid TaskID, EStateTreeNodeFormatting Formatting) const;
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const FStateTreeEditorNode* GetConditionNodeByID(FGuid ConditionID) const;
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EVisibility GetConditionIconVisibility(FGuid ConditionID) const;
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const FSlateBrush* GetConditionIcon(FGuid ConditionID) const;
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FSlateColor GetConditionIconColor(FGuid ConditionID) const;
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FText GetConditionDesc(FGuid ConditionID, EStateTreeNodeFormatting Formatting) const;
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FText GetOperandText(const int32 ConditionIndex) const;
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FText GetOpenParens(const int32 ConditionIndex) const;
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FText GetCloseParens(const int32 ConditionIndex) const;
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EVisibility GetLinkedStateVisibility() const;
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FText GetLinkedStateDesc() const;
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bool GetStateWarnings(FText* OutText) const;
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EVisibility GetWarningsVisibility() const;
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FText GetWarningsTooltipText() const;
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EVisibility GetStateDescriptionVisibility() const;
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FText GetStateDescription() const;
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EVisibility GetTransitionDashVisibility() const;
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FText GetLinkTooltip(const FStateTreeStateLink& Link, const FGuid NodeID) const;
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FText GetTransitionsDesc(const EStateTreeTransitionTrigger Trigger, const FTransitionDescFilterOptions FilterOptions = {}) const;
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const FSlateBrush* GetTransitionsIcon(const EStateTreeTransitionTrigger Trigger) const;
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EVisibility GetTransitionsVisibility(const EStateTreeTransitionTrigger Trigger) const;
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EVisibility GetTransitionsBreakpointVisibility(const EStateTreeTransitionTrigger Trigger) const;
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bool HasParentTransitionForTrigger(const UStateTreeState& State, const EStateTreeTransitionTrigger Trigger) const;
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bool IsRootState() const;
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bool IsLeafState() const;
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bool IsStateSelected() const;
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bool HandleVerifyNodeLabelTextChanged(const FText& InText, FText& OutErrorMessage) const;
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void HandleNodeLabelTextCommitted(const FText& NewLabel, ETextCommit::Type CommitType) const;
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FReply HandleDragDetected(const FGeometry&, const FPointerEvent&) const;
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void HandleDragLeave(const FDragDropEvent& DragDropEvent) const;
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TOptional<EItemDropZone> HandleCanAcceptDrop(const FDragDropEvent& DragDropEvent, EItemDropZone DropZone, TWeakObjectPtr<UStateTreeState> TargetState) const;
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FReply HandleAcceptDrop(const FDragDropEvent& DragDropEvent, EItemDropZone DropZone, TWeakObjectPtr<UStateTreeState> TargetState) const;
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void HandleAssetChanged();
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void HandleStatesChanged(const TSet<UStateTreeState*>& ChangedStates, const FPropertyChangedEvent& PropertyChangedEvent);
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TSharedPtr<FStateTreeViewModel> StateTreeViewModel;
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TWeakObjectPtr<UStateTreeState> WeakState;
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TWeakObjectPtr<UStateTreeEditorData> WeakEditorData;
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TSharedPtr<SInlineEditableTextBlock> NameTextBlock;
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TSharedPtr<SBorder> FlagsContainer;
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TSharedPtr<SHorizontalBox> TransitionsContainer;
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FDelegateHandle AssetChangedHandle;
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FDelegateHandle StatesChangedHandle;
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};
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