CharMapWidget.h

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
 
    This file is part of the TerraLib - a Framework for building GIS enabled applications.
 
    TerraLib 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 3 of the License,
    or (at your option) any later version.
 
    TerraLib 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 Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */
 
/*!
  \file terralib/qt/widgets/se/CharMapWidget.h
 
  \brief A widget used to show the set of characters of a specified font.
*/
 
#ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_CHARMAPWIDGET_H
#define __TERRALIB_QT_WIDGETS_SE_INTERNAL_CHARMAPWIDGET_H
 
// TerraLib
#include "../Config.h"
 
// Qt
#include <QWidget>
 
namespace te
{
  namespace qt
  {
    namespace widgets
    {
      /*!
        \class CharMapWidget
 
        \brief A widget used to show the set of characters of a specified font.
      */
      class TEQTWIDGETSEXPORT CharMapWidget : public QWidget
      {
        Q_OBJECT
 
        public:
 
          /** @name Initializer Methods
           *  Methods related to instantiation and destruction.
           */
          //@{
 
          /*! \brief Constructs the character map widget which is a child of parent, with widget flags set to f. */
          CharMapWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
 
          /*! \brief Destructor. */
          ~CharMapWidget();
 
          //@}
 
        public:
 
          QSize sizeHint() const;
 
          int getCurrentChar() const;
 
        public slots:
          
          void updateFont(const QFont& font);
 
        signals:
 
          void charSelected(const unsigned int& charCode);
 
        protected:
 
          void mouseMoveEvent(QMouseEvent* e);
 
          void mousePressEvent(QMouseEvent* e);
 
          void paintEvent(QPaintEvent* e);
 
        private:
 
          QFont m_font;                //!< Current font.
          unsigned int m_currentChar;  //!< Current selected char.
          int m_columns;               //!< Character map number of column.
          int m_squareSize;            //!< Cell size of character map.
      };
 
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_WIDGETS_SE_INTERNAL_CHARMAPWIDGET_H