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#include "DirectoryDelegate.hpp"
#include <QApplication>
#include <QVariant>
#include <QString>
#include <QStyle>
#include <QModelIndex>
#include <QPainter>
#include <QStyleOptionViewItem>
#include <QStyleOptionProgressBar>
void DirectoryDelegate::paint (QPainter * painter, QStyleOptionViewItem const& option
, QModelIndex const& index) const
{
if (1 == index.column ())
{
auto progress = index.data ().toLongLong ();
qint64 percent;
if (progress > 0)
{
percent = int (progress * 100 / index.data (Qt::UserRole).toLongLong ());
}
#if !defined (Q_OS_DARWIN)
QStyleOptionProgressBar progress_option;
auto control_element = QStyle::CE_ProgressBar;
progress_option.minimum = 0;
progress_option.maximum = 100;
progress_option.textAlignment = Qt::AlignCenter;
if (progress > 0)
{
progress_option.progress = percent;
progress_option.textVisible = true;
}
else
{
// not started
progress_option.progress = -1;
}
#else
// workaround for broken QProgressBar item delegates on macOS
QStyleOptionViewItem progress_option;
auto control_element = QStyle::CE_ItemViewItem;
progress_option.displayAlignment = Qt::AlignHCenter;
progress_option.index = index;
progress_option.features = QStyleOptionViewItem::HasDisplay;
#endif
progress_option.rect = option.rect;
progress_option.state = QStyle::State_Enabled;
progress_option.direction = QApplication::layoutDirection ();
progress_option.fontMetrics = QApplication::fontMetrics ();
progress_option.text = QString::number (progress > 0 ? percent : 0) + '%';
QApplication::style ()->drawControl (control_element, &progress_option, painter);
}
else
{
QStyledItemDelegate::paint (painter, option, index);
}
}
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