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//
// C++ Implementation: TransferListItemDelegate
//
// Description:
//
//
// Author: Arsenij Vodjanov <arsenij@gmail.com>, (C) 2005
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "transferlistmodel.h"
#include "transferlistitemdelegate.h"
#include <QPainter>
#include <QFont>
#include <QRect>
#include <QStyleOptionViewItem>
#include <QModelIndex>
#include "log.h"
TransferListItemDelegate::TransferListItemDelegate( QObject *parent )
: QItemDelegate( parent )
{
}
TransferListItemDelegate::~TransferListItemDelegate()
{
}
/*! Reimplemented from QItemDelegate */
QSize TransferListItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if ( index.column() != TransferListModel::COL_PROGRESS_BAR )
return QItemDelegate::sizeHint(option, index);
const QAbstractItemModel *model = index.model();
if (model==0) {
logger->warn("Warning: model==0 in TransferListItemDelegate::sizeHint()");
return QSize(0,0);
}
QString text = "BLA 00:00:00 BLA"; // just some string for a size hint
QVariant value = model->data(index, Qt::FontRole);
QFont fnt = value.isValid() ? qvariant_cast<QFont>(value) : option.font;
QFontMetrics fontMetrics(fnt);
return QSize( fontMetrics.width(text), fontMetrics.lineSpacing()+2 ); // extra pixel at top and bottom
}
/*! Reimplemented from QItemDelegate */
void TransferListItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if ( index.column() != TransferListModel::COL_PROGRESS_BAR )
return QItemDelegate::paint(painter, option, index);
const QAbstractItemModel *model = index.model();
if (model==0) {
logger->warn("Warning: model==0 in TransferListItemDelegate::paint()");
return;
}
// This is stupid. Probably should have reimplemented some item view class instead.
QList<QVariant> pdata = model->data(index, Qt::DisplayRole).toList();
int secs = pdata.at( TransferListModel::PDATA_SECONDS_LEFT ).toInt();
bool isDownload = pdata.at(TransferListModel::PDATA_IS_DOWNLOAD).toBool();
qlonglong startPos = pdata.at( TransferListModel::PDATA_START_POS ).toLongLong();
qlonglong pos = pdata.at( TransferListModel::PDATA_POS ).toLongLong();
qlonglong actual = pdata.at( TransferListModel::PDATA_ACTUAL ).toLongLong();
qlonglong fsize = pdata.at( TransferListModel::PDATA_SIZE ).toLongLong();
QString text = QString("%1% %2:%3:%4").arg((qlonglong)(pos*100/fsize)).arg( (qlonglong)(secs / (60*60))).arg( (qlonglong)(secs / 60)).arg( (qlonglong)(secs % 60));
// Draw progressbar and text
QStyleOptionViewItem opt = option;
QRect rect = option.rect;
QFont font = painter->font();
QPen pen = painter->pen();
QBrush brush = painter->brush();
// set font
QVariant value = model->data(index, Qt::FontRole);
if (value.isValid())
opt.font = qvariant_cast<QFont>(value);
// set text alignment
opt.displayAlignment = Qt::AlignCenter;
// set text color
value = model->data(index, Qt::TextColorRole);
if (value.isValid() && qvariant_cast<QColor>(value).isValid())
opt.palette.setColor(QPalette::Text, qvariant_cast<QColor>(value));
// draw the background color
QPalette::ColorGroup cg = opt.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
if (opt.showDecorationSelected && (option.state & QStyle::State_Selected)) {
painter->fillRect(rect, opt.palette.brush(cg, QPalette::Highlight));
} else {
value = model->data(index, Qt::BackgroundColorRole);
if (value.isValid() && qvariant_cast<QColor>(value).isValid())
painter->fillRect(rect, qvariant_cast<QColor>(value));
}
// draw bar borders
painter->setPen( opt.palette.color(cg, QPalette::Mid) );
painter->drawRoundRect(rect.adjusted(2,2,-3,-3), 5,5);
QRect barRect = rect.adjusted(4,4,-4,-4);
// figure out rectangle positions for progress bar
int x = barRect.x(), y = barRect.y(), height = barRect.height();
qlonglong width = barRect.width();
int x1 = x + startPos*width/fsize;
int x2 = x + (pos-actual)*width/fsize;
int x3 = x + pos*width/fsize;
// draw progress bar in different color for upload and download... ugly if-statement.
if (isDownload) {
painter->fillRect( x, y, x1-x, height, QColor( 16,140,16 ) );
painter->fillRect( x1, y, x2-x1, height, QColor( 16,180,16 ) );
painter->fillRect( x2, y, x3-x2, height, QColor( 20,220,20 ) );
} else {
painter->fillRect( x, y, x1-x, height, QColor( 160,0,0 ) );
painter->fillRect( x1, y, x2-x1, height, QColor( 190,10,10 ) );
painter->fillRect( x2, y, x3-x2, height, QColor( 255,20,20 ) );
}
painter->fillRect( x3, y, (width-x3)+x+1, height, QColor( 220,220,245 ) );
// draw text
QRect textRect = rect.adjusted(1, 0, -1, -1); // remove width padding ( const int textMargin = 1 in qitemdelegate.cpp )
QRect textShadowRect = textRect.adjusted(1,1,1,1);
QColor textColor = QColor(220,220,220);
painter->setFont(opt.font);
painter->setPen( QColor( 255-textColor.red(), 255-textColor.green(), 255-textColor.blue() ) );
if ((painter->fontMetrics().width(text)+1) > textRect.width()) {
// inverted text color for shadow
painter->drawText(textShadowRect, opt.displayAlignment,
elidedText(painter->fontMetrics(), textShadowRect.width(), // QAbstractItemDelegate::elidedText()
opt.textElideMode, text));
painter->setPen(textColor);
painter->drawText(textRect, opt.displayAlignment,
elidedText(painter->fontMetrics(), textRect.width(), // QAbstractItemDelegate::elidedText()
opt.textElideMode, text));
} else {
painter->drawText(textShadowRect, opt.displayAlignment, text);
painter->setPen(textColor);
painter->drawText(textRect, opt.displayAlignment, text);
}
painter->setFont(font);
painter->setPen(pen);
painter->setBrush(brush);
drawFocus(painter, opt, textRect);
}
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