JUCE/extras/Projucer/Source/ComponentEditor/paintelements/jucer_ElementSiblingComponent.h

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

   This file is part of the JUCE library.
   Copyright (c) 2015 - ROLI Ltd.

   Permission is granted to use this software under the terms of either:
   a) the GPL v2 (or any later version)
   b) the Affero GPL v3

   Details of these licenses can be found at: www.gnu.org/licenses

   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

   ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.juce.com for more information.

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

#pragma once


//==============================================================================
class ElementSiblingComponent  : public Component,
                                 public ChangeListener
{
public:
    ElementSiblingComponent (PaintElement* const owner_)
        : owner (owner_)
    {
        setAlwaysOnTop (true);

        owner->getDocument()->addChangeListener (this);
    }

    ~ElementSiblingComponent()
    {
        owner->getDocument()->removeChangeListener (this);
    }

    virtual void updatePosition() = 0;


protected:
    void changeListenerCallback (ChangeBroadcaster*)
    {
        updatePosition();
    }

    PaintElement* const owner;
};