juce/source/extras/the jucer/src/model/paintelements/jucer_ElementSiblingComponent.h

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library - "Jules' Utility Class Extensions"
   5    Copyright 2004-11 by Raw Material Software Ltd.
   6
   7   ------------------------------------------------------------------------------
   8
   9    JUCE can be redistributed and/or modified under the terms of the GNU General
  10    Public License (Version 2), as published by the Free Software Foundation.
  11    A copy of the license is included in the JUCE distribution, or can be found
  12    online at www.gnu.org/licenses.
  13
  14    JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
  15    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  16    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  17
  18   ------------------------------------------------------------------------------
  19
  20    To release a closed-source product which uses JUCE, commercial licenses are
  21    available: visit www.rawmaterialsoftware.com/juce for more information.
  22
  23   ==============================================================================
  24 */
  25
  26 #ifndef __JUCER_ELEMENTSIBLINGCOMPONENT_JUCEHEADER__
  27 #define __JUCER_ELEMENTSIBLINGCOMPONENT_JUCEHEADER__
  28
  29
  30 //==============================================================================
  31 /**
  32 */
  33 class ElementSiblingComponent  : public Component,
  34                                  public ChangeListener
  35 {
  36 public:
  37     //==============================================================================
  38     ElementSiblingComponent (PaintElement* const owner_)
  39         : owner (owner_)
  40     {
  41         setAlwaysOnTop (true);
  42
  43         owner->getDocument()->addChangeListener (this);
  44     }
  45
  46     ~ElementSiblingComponent()
  47     {
  48         owner->getDocument()->removeChangeListener (this);
  49     }
  50
  51     virtual void updatePosition() = 0;
  52
  53
  54     //==============================================================================
  55     void changeListenerCallback (ChangeBroadcaster*)
  56     {
  57         updatePosition();
  58     }
  59
  60 protected:
  61     PaintElement* const owner;
  62 };
  63
  64 #endif   // __JUCER_ELEMENTSIBLINGCOMPONENT_JUCEHEADER__