apps/kinfocenter/memory/chartWidget.h

   1 /***************************************************************************
   2  *   --------------------------------------------------------------------  *
   3  *   Copyright (C) 2008, Nicolas Ternisien <nicolas.ternisien@gmail.com>   *
   4  *   --------------------------------------------------------------------  *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  ***************************************************************************/
  10
  11 #ifndef CHART_WIDGET_H
  12 #define CHART_WIDGET_H
  13
  14 #include <QWidget>
  15 #include <QFrame>
  16 #include <QString>
  17 #include <QColor>
  18 #include <QList>
  19
  20 class QLabel;
  21 class QWidget;
  22
  23 #include "base.h"
  24
  25 class Chart : public QWidget {
  26 public:
  27         Chart(QWidget* parent = NULL);
  28
  29         void setMemoryInfos(t_memsize* memoryInfos);
  30         void setFreeMemoryLabel(QLabel* freeMemoryLabel);
  31
  32         static QString formattedUnit(t_memsize value);
  33
  34 protected:
  35
  36         bool drawChart(t_memsize total, const QList<t_memsize>& used, const QList<QColor>& colors, const QList<QString>& texts);
  37
  38         t_memsize* memoryInfos;
  39
  40         QLabel* freeMemoryLabel;
  41
  42 };
  43
  44 class ChartWidget : public QWidget {
  45 public:
  46
  47         /**
  48          * Initialize the list view item and task.
  49          */
  50         ChartWidget(const QString& title, const QString& hint, Chart* chartImplementation, QWidget* parent = NULL);
  51
  52         void setMemoryInfos(t_memsize* memoryInfos);
  53         void refresh();
  54
  55 private:
  56
  57         QLabel* titleLabel;
  58
  59         Chart* chart;
  60
  61         QLabel* freeMemoryLabel;
  62
  63 };
  64
  65 #endif // CHART_WIDGET_H