/*
 * Copyright 2010 Inalogic® Inc.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License, as
 * published by the  Free Software Foundation; either version 2.1 or 3.0
 * of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the applicable version of the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of both the GNU Lesser General Public
 * License along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 * Authored by: Jay Taoko <jaytaoko@inalogic.com>
 *
 */


#ifndef CHECKBOX_H
#define CHECKBOX_H

#include "AbstractCheckedButton.h"

namespace nux
{
  class HLayout;
  class InputArea;
  class StaticText;

  //! CheckBox class
  /*!
      A CheckBox class.\n
      The CheckBox class cannot be vertically resized. It can only be resized horizontally.
      The vertical size is always match the size of the content (check area + label).
  */
  class CheckBox: public AbstractCheckedButton
  {
    NUX_DECLARE_OBJECT_TYPE(CheckBox, AbstractCheckedButton);
  public:
    CheckBox(const std::string &str, bool state = false, NUX_FILE_LINE_PROTO);
    virtual ~CheckBox();

    //! Emitted when the button is clicked.
    sigc::signal<void, CheckBox*> click;

    //! Emitted when the active state changes.
    /*!
        Emitted when the active state changes, as a result of a mouse click or an API call.\n
        \sa Activate, Deactivate.
    */
    sigc::signal<void, CheckBox*> state_change;

    //! Activate the check box.
    /*!
         Activate the check box.
    */
    virtual void Activate();

    //! Deactivate the check box.
    /*!
         Deactivate the check box.
    */
    virtual void Deactivate();

  protected:
    virtual void Draw(GraphicsEngine &graphics_engine, bool force_draw);
    virtual void RecvClick(int x, int y, unsigned long button_flags, unsigned long key_flags);

  private:
    //! Override of Area::SetMinimumHeight and made private.
    /*!
        Prevent changing the minimum height of the StaticText view.
    */
    virtual void SetMinimumHeight(int h){};

    //! Override of Area::SetMaximumHeight and made private.
    /*!
        Prevent changing the maximum height of the StaticText view.
    */
    virtual void SetMaximumHeight(int h){};
  };

}

#endif // CHECKBOX_H