apps/kinfocenter/partition/usedSizeWidget.cpp

   1 /***************************************************************************
   2  *   KT list view item task implementation.                                *
   3  *   --------------------------------------------------------------------  *
   4  *   Copyright (C) 1999, Gary Meyer <gary@meyer.net>                       *
   5  *   --------------------------------------------------------------------  *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  ***************************************************************************/
  11
  12 #include "usedSizeWidget.h"
  13
  14 #include <QVBoxLayout>
  15 #include <QLabel>
  16 #include <QPainter>
  17
  18 #include <klocale.h>
  19 #include <kdebug.h>
  20 #include <kglobal.h>
  21
  22 UsedSizeWidget::UsedSizeWidget(QWidget* parent) :
  23         QWidget(parent), totalSize(0), usedSize(0), availableSize(0) {
  24
  25         setSizePolicy(QSizePolicy::Minimum, QSizePolicy::MinimumExpanding);
  26         //setAutoFillBackground(true);
  27
  28 }
  29
  30 void UsedSizeWidget::paintEvent(QPaintEvent* /*event*/) {
  31         //kDebug() << "PaintEvent" << mountPoint << totalSize << usedSize << availableSize;
  32
  33         QPainter paint(this);
  34
  35         int endWidth = width() - 2;
  36         int endHeight = height() - 2;
  37
  38         if (endWidth<=0 || endHeight<=0) {
  39                 return;
  40         }
  41
  42         if (totalSize==0) {
  43                 paint.fillRect(1, 1, endWidth, endHeight, QColor(0xCC, 0xCC, 0xCC, 50));
  44                 paint.drawText(1, 1, endWidth, endHeight, Qt::AlignCenter | Qt::TextWordWrap, i18n("unknown"));
  45                 return;
  46         }
  47
  48         QLinearGradient gradient(QPointF(0, endHeight), QPointF(endWidth, endHeight));
  49
  50         qreal percent = ((qreal)usedSize) / ((qreal)totalSize);
  51
  52         gradient.setColorAt(0, QColor(0xA3, 0xF7, 0x72));
  53
  54         if (percent > 0.5)
  55                 gradient.setColorAt(0.5, QColor(0x5E, 0xD9, 0x35));
  56
  57         if (percent > 0.6)
  58                 paint.setPen(Qt::black);
  59
  60         if (percent > 0.75)
  61                 gradient.setColorAt(0.75, QColor(0xF7, 0xB6, 0x3D));
  62
  63         if (percent > 0.95) {
  64                 gradient.setColorAt(0.90, QColor(0xF7, 0x78, 0x34));
  65                 gradient.setColorAt(0.95, QColor(0xD3, 0x42, 0x19));
  66         }
  67
  68         gradient.setColorAt(percent, Qt::transparent);
  69
  70         paint.fillRect(1, 1, endWidth, endHeight, gradient);
  71
  72         int percentUsed = (usedSize * 100) / totalSize;
  73         paint.drawText(1, 1, endWidth, endHeight, Qt::AlignCenter | Qt::TextWordWrap, QString("%1%").arg(percentUsed));
  74
  75 }
  76
  77 void UsedSizeWidget::setUsedSize(const QString& mountPoint, quint64 totalSize, quint64 usedSize, quint64 availableSize) {
  78
  79         this->totalSize = totalSize;
  80         this->usedSize = usedSize;
  81         this->availableSize = availableSize;
  82         this->mountPoint = mountPoint;
  83
  84         kDebug() << mountPoint << totalSize << usedSize << availableSize;
  85
  86         update();
  87 }
  88
  89 #include "usedSizeWidget.moc"