kalzium/src/legendwidget.h

   1 #ifndef LEGENDWIDGET_H
   2 #define LEGENDWIDGET_H
   3 /***************************************************************************
   4  *   Copyright (C) 2007 by Carsten Niehaus                                 *
   5  *   cniehaus@kde.org                                                      *
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  *   This program is distributed in the hope that it will be useful,       *
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  15  *   GNU General Public License for more details.                          *
  16  *                                                                         *
  17  *   You should have received a copy of the GNU General Public License     *
  18  *   along with this program; if not, write to the                         *
  19  *   Free Software Foundation, Inc.,                                       *
  20  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
  21  ***************************************************************************/
  22
  23 #include <kdialog.h>
  24
  25 #include "kalziumpainter.h"
  26 #include "kalziumschemetype.h"
  27
  28 class LegendItem;
  29 class KalziumGradientType;
  30
  31 /**
  32  * @author Carsten Niehaus
  33  *
  34  * The LegendWidget displays the explanations of what the user is currently
  35  * seeing in the table
  36  */
  37 class LegendWidget : public QWidget
  38 {
  39     Q_OBJECT
  40
  41     public:
  42         LegendWidget( QWidget *parent );
  43
  44         ~LegendWidget(){}
  45
  46     private:
  47         QPixmap m_pixmap;
  48
  49         KalziumSchemeType * m_scheme;
  50
  51         KalziumPainter::MODE m_mode;
  52
  53         KalziumTableType * m_tableType;
  54
  55         KalziumGradientType * m_gradientType;
  56
  57         QList<LegendItem*> m_legendItemList;
  58
  59         void updateLegendItemLayout( const QList<legendPair>& list );
  60
  61     public slots:
  62         void updateContent();
  63
  64         void setMode( KalziumPainter::MODE m );
  65
  66         void setScheme( KalziumSchemeType * type );
  67
  68         void setTableType( KalziumTableType * type );
  69
  70         void setGradientType( KalziumGradientType * type );
  71 };
  72
  73 /**
  74  * A LegendItem is displayed as one small rectangle which represents the
  75  * color or QBrush in the table with a short explanation for it.
  76  *
  77  * @author Carsten Niehaus
  78  */
  79 class LegendItem : public QWidget
  80 {
  81     Q_OBJECT
  82
  83     public:
  84         LegendItem( const QPair<QString, QBrush>& pair, QWidget * parent = 0 );
  85         ~LegendItem(){}
  86
  87     private:
  88         QPair<QString, QBrush> m_pair;
  89
  90     protected:
  91         virtual void paintEvent( QPaintEvent * e );
  92 };
  93
  94 #endif // LEGENDWIDGET_H