IconPair.h

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// This may look like C code, but it's really -*- C++ -*-
/*
 * Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
 *
 * See the LICENSE file for terms of use.
 */
#ifndef ICONPAIR_H_
#define ICONPAIR_H_

#include <Wt/WCompositeWidget.h>

using namespace Wt;

namespace Wt {
  class WImage;
}


class IconPair : public WCompositeWidget
{
public:
  IconPair(const std::string icon1URI, const std::string icon2URI,
           bool clickIsSwitch = true);

  void setState(int num);

  int state() const;

  WImage *icon1() const { return icon1_; }
  
  WImage *icon2() const { return icon2_; }

  void showIcon1();

  void showIcon2();

private:
  std::unique_ptr<WContainerWidget> impl_;

  WImage *icon1_;

  WImage *icon2_;

public:
  EventSignal<WMouseEvent>& icon1Clicked;

  EventSignal<WMouseEvent>& icon2Clicked;

private:
  int previousState_;

  void undoShowIcon1();

  void undoShowIcon2();
};

#endif // ICONPAIR_H_