JUCE/extras/Projucer/Source/ComponentEditor/UI/jucer_EditingPanelBase.h

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2017 - ROLI Ltd.

   JUCE is an open source library subject to commercial or open-source
   licensing.

   By using JUCE, you agree to the terms of both the JUCE 5 End-User License
   Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
   27th April 2017).

   End User License Agreement: www.juce.com/juce-5-licence
   Privacy Policy: www.juce.com/juce-5-privacy-policy

   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

#pragma once

#include "../jucer_JucerDocument.h"
#include "jucer_ComponentLayoutEditor.h"
class LayoutPropsPanel;

//==============================================================================
/**
    Base class for the layout and graphics panels - this takes care of arranging
    the properties panel and managing the viewport for the content.

*/
class EditingPanelBase  : public Component
{
public:
    //==============================================================================
    EditingPanelBase (JucerDocument& document,
                      Component* propsPanel,
                      Component* editorComp);

    ~EditingPanelBase() override;

    //==============================================================================
    void resized() override;
    void paint (Graphics& g) override;
    void visibilityChanged() override;

    virtual void updatePropertiesList() = 0;

    virtual Rectangle<int> getComponentArea() const = 0;

    double getZoom() const;
    void setZoom (double newScale);
    void setZoom (double newScale, int anchorX, int anchorY);

    // convert a pos relative to this component into a pos on the editor
    void xyToTargetXY (int& x, int& y) const;

    void dragKeyHeldDown (bool isKeyDown);

    class MagnifierComponent;

protected:
    JucerDocument& document;

    Viewport* viewport;
    MagnifierComponent* magnifier;
    Component* editor;
    Component* propsPanel;
};