Canvas.h

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#pragma once
 
#include "Nodes/Widgets/Widget.h"
#include "AssetRef.h"
 
class UIDocument;
 
class Canvas : public Widget
{
public:
 
    DECLARE_NODE(Canvas, Widget);
 
    Canvas();
    virtual ~Canvas();
 
    virtual void Start() override;
    virtual void Stop() override;
    virtual void OnInstanced() override;
    virtual void Tick(float deltaTime) override;
    virtual void EditorTick(float deltaTime) override;
    virtual void GatherProperties(std::vector<Property>& outProps) override;
 
#if EDITOR
    virtual bool DrawCustomProperty(Property& prop) override;
#endif
 
    void SetUIDocument(UIDocument* doc);
    UIDocument* GetUIDocument() const;
    UIDocument* GetRuntimeDocument() const { return mRuntimeDocument; }
 
    static bool HandlePropChange(Datum* datum, uint32_t index, const void* newValue);
 
private:
 
    void DestroyRuntimeDocument();
    void GenerateEditorPreview();
    void DestroyEditorPreview();
    static void DebugDumpWidgetTree(Widget* widget, int depth);
 
    AssetRef mUIDocumentRef;
    UIDocument* mRuntimeDocument = nullptr;
    bool mEditorPreviewActive = false;
    int32_t mDebugDumpCountdown = -1;
};