102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Delegates/Delegate.h"
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#include "Delegates/IDelegateInstance.h"
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#include "Delegates/DelegateCombinations.h"
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#include "Misc/Attribute.h"
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#include "Templates/SharedPointer.h"
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#define UE_API LIVELINKEDITOR_API
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class IDetailsView;
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class FLiveLinkClient;
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struct FLiveLinkSourceUIEntry;
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struct FLiveLinkSubjectKey;
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struct FLiveLinkSubjectUIEntry;
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class FLiveLinkSourcesView;
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class SLiveLinkSourceListView;
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class FLiveLinkSubjectsView;
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class FUICommandList;
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class SLiveLinkDataView;
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namespace ESelectInfo { enum Type : int; }
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typedef TSharedPtr<FLiveLinkSourceUIEntry> FLiveLinkSourceUIEntryPtr;
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typedef TSharedPtr<FLiveLinkSubjectUIEntry> FLiveLinkSubjectUIEntryPtr;
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/** Handles callback connections between the sources, subjects and details views. */
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class FLiveLinkPanelController : public TSharedFromThis<FLiveLinkPanelController>
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{
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public:
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UE_API FLiveLinkPanelController(TAttribute<bool> bInReadOnly = false);
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UE_API ~FLiveLinkPanelController();
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DECLARE_MULTICAST_DELEGATE_OneParam(FOnSubjectSelectionChanged, const FLiveLinkSubjectKey&);
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/** Subject Selection changed callback. */
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FOnSubjectSelectionChanged& OnSubjectSelectionChanged()
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{
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return SubjectSelectionChangedDelegate;
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}
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private:
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// Bind live link commands
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UE_API void BindCommands();
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// Handles the source collection changing.
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UE_API void OnSourcesChangedHandler();
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// Handles the subject collection changing.
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UE_API void OnSubjectsChangedHandler();
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// Remove all sources command handlers
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UE_API bool HasSource() const;
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// Handles the remove source command.
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UE_API void HandleRemoveSource();
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// Handles the remove all sources command.
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UE_API void HandleRemoveAllSources();
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// Returns whether a source could be removed.
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UE_API bool CanRemoveSource() const;
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// Returns whether a subject can be removed.
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UE_API bool CanRemoveSubject() const;
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// Returns whethera subject can be paused
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UE_API bool CanPauseSubject() const;
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// Pauses/Unpauses a subject.
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UE_API void HandlePauseSubject();
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// Handles the remove subject command.
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UE_API void HandleRemoveSubject();
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// Recreates the source list data behind the list view.
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UE_API void RebuildSourceList();
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// Recreates the subject list data behind the tree view.
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UE_API void RebuildSubjectList();
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// Handles source selection changing.
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UE_API void OnSourceSelectionChangedHandler(FLiveLinkSourceUIEntryPtr Entry, ESelectInfo::Type SelectionType) const;
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// Hadnles subject selection changing.
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UE_API void OnSubjectSelectionChangedHandler(FLiveLinkSubjectUIEntryPtr SubjectEntry, ESelectInfo::Type SelectInfo);
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// Sources and subjects live in different tabs in LiveLink Hub.
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bool bSeparateSourcesSubjects = false;
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public:
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// Sources view
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TSharedPtr<FLiveLinkSourcesView> SourcesView;
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// Subjects view
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TSharedPtr<FLiveLinkSubjectsView> SubjectsView;
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// Reference to connection settings struct details panel
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TSharedPtr<IDetailsView> SourcesDetailsView;
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// Reference to the data value struct details panel
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TSharedPtr<SLiveLinkDataView> SubjectsDetailsView;
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// LiveLink Client
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FLiveLinkClient* Client;
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// Handle to delegate when client sources list has changed
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FDelegateHandle OnSourcesChangedHandle;
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// Handle to delegate when a client subjects list has changed
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FDelegateHandle OnSubjectsChangedHandle;
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// Guard from reentrant selection
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mutable bool bSelectionChangedGuard = false;
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// Command list
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TSharedPtr<FUICommandList> CommandList;
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// Delegate called when the subject selection changes
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FOnSubjectSelectionChanged SubjectSelectionChangedDelegate;
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};
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#undef UE_API
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