stuff-from-scratch/apps/notes_tk/canvas/CanvasDrawingArea.h

#pragma once

#include "Widget.h"
#include "CanvasElements.h"

class GeometryNode;

class CanvasDrawingArea : public Widget
{
public:
    ~CanvasDrawingArea();
    void setActiveDrawingCommand(CanvasDrawCommand command)
    {
        mActiveDrawingCommand = command;
    }

private:
    bool isDirty() const override;
    void doPaint(const PaintEvent* event) override;

    void onMyMouseEvent(const MouseEvent* event) override;

    void addShapeAt(unsigned x, unsigned y);

    CanvasDrawCommand mActiveDrawingCommand{CanvasDrawCommand::LINE};

    Vector<Ptr<GeometryNode> > mSceneNodes;
    bool mContentDirty{false};
};