qBittorrent/src/proplistdelegate.h

/*
 * Bittorrent Client using Qt4 and libtorrent.
 * Copyright (C) 2006  Christophe Dumez
 *
 * This program 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 *
 * Contact : chris@qbittorrent.org
 */

#ifndef PROPLISTDELEGATE_H
#define PROPLISTDELEGATE_H

#include <QItemDelegate>
#include <QStyleOptionProgressBarV2>
#include <QStyleOptionViewItemV2>
#include <QStyleOptionComboBox>
#include <QComboBox>
#include <QModelIndex>
#include <QPainter>
#include <QProgressBar>
#include <QApplication>
#include "misc.h"
#include "propertieswidget.h"

// Defines for properties list columns
enum PropColumn {NAME, SIZE, PROGRESS};

class PropListDelegate: public QItemDelegate {
  Q_OBJECT

private:
  PropertiesWidget *properties;

signals:
  void filteredFilesChanged() const;

public:
  PropListDelegate(PropertiesWidget* properties=0, QObject *parent=0) : QItemDelegate(parent), properties(properties){
  }

  ~PropListDelegate(){}

  void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const{
    QStyleOptionViewItemV2 opt = QItemDelegate::setOptions(index, option);
    switch(index.column()){
        case SIZE:
      QItemDelegate::drawBackground(painter, opt, index);
      QItemDelegate::drawDisplay(painter, opt, option.rect, misc::friendlyUnit(index.data().toLongLong()));
      break;
        case PROGRESS:{
            QStyleOptionProgressBarV2 newopt;
            float progress = index.data().toDouble()*100.;
            newopt.rect = opt.rect;
            newopt.text = QString(QByteArray::number(progress, 'f', 1))+QString::fromUtf8("%");
            newopt.progress = (int)progress;
            newopt.maximum = 100;
            newopt.minimum = 0;
            newopt.state |= QStyle::State_Enabled;
            newopt.textVisible = true;
            QApplication::style()->drawControl(QStyle::CE_ProgressBar, &newopt, painter);
            break;
          }
        default:
          QItemDelegate::paint(painter, option, index);
        }
  }

  QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const{
    QVariant value = index.data(Qt::FontRole);
    QFont fnt = value.isValid() ? qvariant_cast<QFont>(value) : option.font;
    QFontMetrics fontMetrics(fnt);
    const QString text = index.data(Qt::DisplayRole).toString();
    QRect textRect = QRect(0, 0, 0, fontMetrics.lineSpacing() * (text.count(QLatin1Char('\n')) + 1));
    textRect.setHeight(textRect.height()+4);
    return textRect.size();
  }

  QWidget* createEditor(QWidget *, const QStyleOptionViewItem &/* option */, const QModelIndex &) const {
    return 0;
  }

};

#endif