File indexing completed on 2024-05-12 17:12:40

 /***************************************************************************
  *   Copyright (C) 2011 by Renaud Guezennec                                *
  *   https://rolisteam.org/contact                   *
  *                                                                         *
  *   Rolisteam is free software; you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program 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.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
 #ifndef COLORTABLE_H
 #define COLORTABLE_H
 
 #include "rwidgets/rwidgets_global.h"
 #include <QColor>
 #include <QWidget>
 #include <QtWidgets>
 
 class QVBoxLayout;
 /**
  * @brief SaturationChooser is a widget which stores and manages saturation value
  */
 class RWIDGET_EXPORT SaturationChooser : public QWidget
 {
     Q_OBJECT
 public:
     /**
      * @brief default constructor
      */
     SaturationChooser();
     /**
      * @brief accessor for the current value
      * @return int value
      */
     int getValue() const;
     /**
      * @brief setter for current color
      * @param base color
      */
     void setColor(QColor& color);
 
 public slots:
     /**
      * @brief slot to handle change in the base color
      * @param new color's hue
      * @param new color's lightness
      */
     void colorHasChanged(int, int);
 
 signals:
     /**
      * @brief emited when saturation changes
      */
     void valueChanged(int);
 
 protected:
     /**
      * @brief redefines the painting method to display the appropriate gradiant
      */
     void paintEvent(QPaintEvent* event);
     /**
      * @brief redefines mouse click behaviour to make it easier to use
      */
     void mousePressEvent(QMouseEvent* e);
     /**
      * @brief redefines mouse move behaviour to make it easier to use
      */
     void mouseMoveEvent(QMouseEvent* e);
     /**
      * @brief redefines mouse wheel behaviour to make it easier to use
      */
     void wheelEvent(QWheelEvent* event);
 
 private:
     int m_currentValue;  ///< stores current saturation value
     QColor m_color;      ///< stores the current color
     QRect m_gradianRect; ///< selector zone
     QPolygon m_polygon;  ///< zone's geometry
 };
 /**
  * @brief ColorTable is a widget which display a large panel of color, and allows user to chose one of them.
  */
 class RWIDGET_EXPORT ColorTable : public QWidget
 {
     Q_OBJECT
 public:
     /**
      * @brief default constructor
      */
     ColorTable();
     int heightForWidth(int width) const;
     QSize sizeHint() const;
 signals:
     /**
      * @brief emited when user click on the widget to select another color.
      */
     int dataChanged(int, int);
 
 protected:
     /**
      * @brief displays the large set of color thanks of gradiant use.
      */
     virtual void paintEvent(QPaintEvent* event);
     /**
      * @brief manages the resize event to make sure, it keeps square shape.
      */
     virtual void resizeEvent(QResizeEvent* event);
     /**
      * @brief manages the click and emit the selected color's values
      */
     void mousePressEvent(QMouseEvent*);
 };
 
 /**
  * @brief ColorTableChooser is the parent widget of ColorTable and SaturationChooser
  */
 class RWIDGET_EXPORT ColorTableChooser : public QWidget
 {
     Q_OBJECT
 public:
     /**
      * @brief constructor
      * @param parent widget
      */
     ColorTableChooser(QWidget* parent= nullptr);
     ~ColorTableChooser();
 
 public slots:
     /**
      * @brief handle current color change, users click on the colortable
      */
     void colorHasChanged(int, int);
     /**
      * @brief handle the current saturation of the current color, users click on saturationchooser
      */
     void valueHasChanged(int);
 
 protected:
     /**
      * @brief resize the widget
      */
     void resizeEvent(QResizeEvent* event);
 signals:
     /**
      * @brief emitted when user has selected another color.
      */
     void currentColorChanged(QColor);
 
 private:
     QColor m_color;                    /// current color.
     QVBoxLayout* m_layout;             /// vertical layout
     ColorTable* m_colorTable;          /// colortable
     SaturationChooser* m_valueChooser; /// saturation chooser
     int m_h;                           /// current hue
     int m_s;                           /// current saturation
 };
 
 #endif // COLORTABLE_H