RetroShare/retroshare-gui/src/gui/DLListDelegate.cpp

238 lines
8.5 KiB
C++

/****************************************************************
* RetroShare is distributed under the following license:
*
* Copyright (C) 2006,2007 crypton
*
* 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.
****************************************************************/
#include <retroshare/rstypes.h>
#include <QModelIndex>
#include <QPainter>
#include <QStyleOptionProgressBarV2>
#include <QProgressBar>
#include <QApplication>
#include "DLListDelegate.h"
Q_DECLARE_METATYPE(FileProgressInfo)
DLListDelegate::DLListDelegate(QObject *parent) : QAbstractItemDelegate(parent)
{
;
}
DLListDelegate::~DLListDelegate(void)
{
;
}
void DLListDelegate::paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
{
QString byteUnits[4] = {tr("B"), tr("KB"), tr("MB"), tr("GB")};
QStyleOptionViewItem opt = option;
QStyleOptionProgressBarV2 newopt;
QRect pixmapRect;
QPixmap pixmap;
qlonglong fileSize;
double dlspeed, multi;
int seconds,minutes, hours, days;
qlonglong remaining;
QString temp , status;
qlonglong completed;
qlonglong downloadtime;
// prepare
painter->save();
painter->setClipRect(opt.rect);
//set text color
QVariant value = index.data(Qt::TextColorRole);
if(value.isValid() && qvariant_cast<QColor>(value).isValid()) {
opt.palette.setColor(QPalette::Text, qvariant_cast<QColor>(value));
}
QPalette::ColorGroup cg = option.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
if(option.state & QStyle::State_Selected){
painter->setPen(opt.palette.color(cg, QPalette::HighlightedText));
} else {
painter->setPen(opt.palette.color(cg, QPalette::Text));
}
// draw the background color if not the progress column or if progress is not displayed
if(index.column() != PROGRESS) {
if(option.showDecorationSelected && (option.state & QStyle::State_Selected)) {
if(cg == QPalette::Normal && !(option.state & QStyle::State_Active)) {
cg = QPalette::Inactive;
}
painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
} else {
value = index.data(Qt::BackgroundRole);
if(value.isValid() && qvariant_cast<QColor>(value).isValid()) {
painter->fillRect(option.rect, qvariant_cast<QColor>(value));
}
}
}
switch(index.column()) {
case SIZE:
fileSize = index.data().toLongLong();
if(fileSize <= 0){
temp = "";
} else {
multi = 1.0;
for(int i = 0; i < 5; ++i) {
if (fileSize < 1024) {
fileSize = index.data().toLongLong();
temp.sprintf("%.2f ", fileSize / multi);
temp += byteUnits[i];
break;
}
fileSize /= 1024;
multi *= 1024.0;
}
}
painter->drawText(option.rect, Qt::AlignRight, temp);
break;
case REMAINING:
remaining = index.data().toLongLong();
if(remaining <= 0){
temp = "";
} else {
multi = 1.0;
for(int i = 0; i < 5; ++i) {
if (remaining < 1024) {
remaining = index.data().toLongLong();
temp.sprintf("%.2f ", remaining / multi);
temp += byteUnits[i];
break;
}
remaining /= 1024;
multi *= 1024.0;
}
}
painter->drawText(option.rect, Qt::AlignRight, temp);
break;
case COMPLETED:
completed = index.data().toLongLong();
if(completed <= 0){
temp = "";
} else {
multi = 1.0;
for(int i = 0; i < 5; ++i) {
if (completed < 1024) {
completed = index.data().toLongLong();
temp.sprintf("%.2f ", completed / multi);
temp += byteUnits[i];
break;
}
completed /= 1024;
multi *= 1024.0;
}
}
painter->drawText(option.rect, Qt::AlignRight, temp);
break;
case DLSPEED:
dlspeed = index.data().toDouble();
if (dlspeed <= 0) {
temp = "";
} else {
temp.clear();
temp.sprintf("%.2f", dlspeed/1024.);
temp += " KB/s";
}
painter->drawText(option.rect, Qt::AlignRight, temp);
break;
case PROGRESS:
{
// create a xProgressBar
FileProgressInfo pinfo = index.data().value<FileProgressInfo>() ;
// std::cerr << "drawing progress info: nb_chunks = " << pinfo.nb_chunks ;
// for(uint i=0;i<pinfo.cmap._map.size();++i)
// std::cerr << pinfo.cmap._map[i] << " " ;
// std::cerr << std::endl ;
painter->save() ;
xProgressBar progressBar(pinfo,option.rect, painter); // the 3rd param is the color schema (0 is the default value)
if(pinfo.type == FileProgressInfo::DOWNLOAD_LINE)
{
progressBar.setDisplayText(true); // should display % text?
progressBar.setColorSchema(0) ;
}
else
{
progressBar.setDisplayText(false); // should display % text?
progressBar.setColorSchema(1) ;
}
progressBar.setVerticalSpan(1);
progressBar.paint(); // paint the progress bar
painter->restore() ;
}
painter->drawText(option.rect, Qt::AlignCenter, newopt.text);
break;
case DOWNLOADTIME:
downloadtime = index.data().toLongLong();
minutes = downloadtime / 60;
seconds = downloadtime % 60;
hours = minutes / 60;
minutes = minutes % 60 ;
days = hours / 24;
hours = hours % 24 ;
if(days > 0) {
temp = QString::number(days)+"d "+QString::number(hours)+"h" ;
} else if(hours > 0 || days > 0) {
temp = QString::number(hours)+"h "+QString::number(minutes)+"m" ;
} else if(minutes > 0 || hours > 0) {
temp = QString::number(minutes)+"m"+QString::number(seconds)+"s" ;
} else if(seconds > 0) {
temp = QString::number(seconds)+"s" ;
} else
temp = "" ;
painter->drawText(option.rect, Qt::AlignCenter, temp);
break;
case NAME:
// decoration
value = index.data(Qt::DecorationRole);
temp = index.data().toString();
pixmap = qvariant_cast<QIcon>(value).pixmap(option.decorationSize, option.state & QStyle::State_Enabled ? QIcon::Normal : QIcon::Disabled, option.state & QStyle::State_Open ? QIcon::On : QIcon::Off);
pixmapRect = (pixmap.isNull() ? QRect(0, 0, 0, 0): QRect(QPoint(0, 0), option.decorationSize));
if (pixmapRect.isValid()){
QPoint p = QStyle::alignedRect(option.direction, Qt::AlignLeft, pixmap.size(), option.rect).topLeft();
painter->drawPixmap(p, pixmap);
temp = " " + temp;
}
painter->drawText(option.rect.translated(pixmap.size().width(), 0), Qt::AlignLeft, temp);
break;
default:
painter->drawText(option.rect, Qt::AlignCenter, index.data().toString());
}
// done
painter->restore();
}
QSize DLListDelegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const
{
return QSize(50,17);
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));
return textRect.size();
}