qBittorrent/src/proplistdelegate.h
2009-12-06 15:03:49 +00:00

234 lines
8.5 KiB
C++

/*
* 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, PRIORITY};
enum PropPriority {IGNORED=0, NORMAL=1, HIGH=2, MAXIMUM=7};
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;
}
case PRIORITY:{
QStyleOptionComboBox newopt;
newopt.rect = opt.rect;
switch(index.data().toInt()){
case IGNORED:
newopt.currentText = tr("Ignored");
break;
case NORMAL:
newopt.currentText = tr("Normal", "Normal (priority)");
break;
case HIGH:
newopt.currentText = tr("High", "High (priority)");
break;
case MAXIMUM:
newopt.currentText = tr("Maximum", "Maximum (priority)");
break;
default:
qDebug("Unhandled priority, setting NORMAL");
newopt.currentText = tr("Normal", "Normal (priority)");
}
//newopt.state |= QStyle::State_Enabled;
//newopt.subControls = QStyle::SC_All;
//painter->translate(QPoint(opt.rect.x()*-1,opt.rect.y()*-1));
//QApplication::style()->drawComplexControl(QStyle::CC_ComboBox, &newopt, painter);
//painter->translate(QPoint(opt.rect.x(),opt.rect.y()));
//QApplication::style()->drawControl(QStyle::CE_ComboBoxLabel, &newopt, painter);
QItemDelegate::drawBackground(painter, opt, index);
QItemDelegate::drawDisplay(painter, opt, option.rect, newopt.currentText);
break;
}
default:
QItemDelegate::paint(painter, option, index);
}
}
QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex & index) const {
qDebug("CreateEditor called");
if(index.column() != PRIORITY) return 0;
if(properties) {
QTorrentHandle h = properties->getCurrentTorrent();
if(!h.is_valid() || h.get_torrent_handle().is_seed() || !h.has_metadata()) return 0;
}
QComboBox* editor = new QComboBox(parent);
editor->setFocusPolicy(Qt::StrongFocus);
editor->addItem(tr("Ignored"));
editor->addItem(tr("Normal", "Normal (priority)"));
editor->addItem(tr("High", "High (priority)"));
editor->addItem(tr("Maximum", "Maximum (priority)"));
return editor;
}
void setEditorData(QWidget *editor, const QModelIndex &index) const {
qDebug("setEditorData called");
unsigned short val = index.model()->data(index, Qt::DisplayRole).toInt();
QComboBox *combobox = static_cast<QComboBox*>(editor);
qDebug("Set Editor data: Prio is %d", val);
switch(val){
case IGNORED:
combobox->setCurrentIndex(0);
break;
case NORMAL:
combobox->setCurrentIndex(1);
break;
case HIGH:
combobox->setCurrentIndex(2);
break;
case MAXIMUM:
combobox->setCurrentIndex(3);
break;
default:
qDebug("Unhandled priority, setting to NORMAL");
combobox->setCurrentIndex(1);
}
}
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();
}
public slots:
void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const {
QComboBox *combobox = static_cast<QComboBox*>(editor);
int value = combobox->currentIndex();
qDebug("Setting combobox value in index: %d", value);
unsigned short old_val = index.model()->data(index, Qt::DisplayRole).toInt();
switch(value){
case 0:
if(old_val != IGNORED){
model->setData(index, QVariant(IGNORED));
emit filteredFilesChanged();
} else {
// XXX: hack to force the model to send the itemChanged() signal
model->setData(index, QVariant(NORMAL));
model->setData(index, QVariant(IGNORED));
}
break;
case 1:
// if(old_val != NORMAL){
// model->setData(index, QVariant(NORMAL));
// if(filteredFilesChanged != 0)
// *filteredFilesChanged = true;
// } else {
model->setData(index, QVariant(HIGH));
model->setData(index, QVariant(NORMAL));
emit filteredFilesChanged();
// }
break;
case 2:
if(old_val != HIGH){
model->setData(index, QVariant(HIGH));
emit filteredFilesChanged();
} else {
model->setData(index, QVariant(NORMAL));
model->setData(index, QVariant(HIGH));
}
break;
case 3:
if(old_val != MAXIMUM){
model->setData(index, QVariant(MAXIMUM));
emit filteredFilesChanged();
} else {
model->setData(index, QVariant(HIGH));
model->setData(index, QVariant(MAXIMUM));
}
break;
default:
if(old_val != NORMAL){
model->setData(index, QVariant(NORMAL));
emit filteredFilesChanged();
} else {
model->setData(index, QVariant(HIGH));
model->setData(index, QVariant(NORMAL));
}
}
}
void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const {
qDebug("UpdateEditor Geometry called");
editor->setGeometry(option.rect);
}
};
#endif