transmission/qt/FileTreeDelegate.cc

82 lines
2.3 KiB
C++

/*
* This file Copyright (C) 2009-2015 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
#include <QApplication>
#include <QPainter>
#include "FileTreeDelegate.h"
#include "FileTreeModel.h"
QSize
FileTreeDelegate::sizeHint(const QStyleOptionViewItem& item, const QModelIndex& index) const
{
QSize size;
switch(index.column())
{
case FileTreeModel::COL_PROGRESS:
case FileTreeModel::COL_WANTED:
size = QSize(20, 1);
break;
default:
size = QItemDelegate::sizeHint (item, index);
}
size.rheight() += 8; // make the spacing a little nicer
return size;
}
void
FileTreeDelegate::paint (QPainter * painter,
const QStyleOptionViewItem & option,
const QModelIndex & index) const
{
const int column(index.column());
if ((column != FileTreeModel::COL_PROGRESS) && (column != FileTreeModel::COL_WANTED))
{
QItemDelegate::paint(painter, option, index);
return;
}
QStyle * style (qApp->style ());
painter->save();
QItemDelegate::drawBackground (painter, option, index);
if(column == FileTreeModel::COL_PROGRESS)
{
QStyleOptionProgressBar p;
p.state = option.state | QStyle::State_Small;
p.direction = qApp->layoutDirection();
p.rect = option.rect;
p.rect.setSize (QSize(option.rect.width() - 4, option.rect.height() - 8));
p.rect.moveCenter (option.rect.center());
p.fontMetrics = qApp->fontMetrics();
p.minimum = 0;
p.maximum = 100;
p.textAlignment = Qt::AlignCenter;
p.textVisible = true;
p.progress = int(100.0*index.data().toDouble());
p.text = QString::fromLatin1 ("%1%").arg (p.progress);
style->drawControl(QStyle::CE_ProgressBar, &p, painter);
}
else if(column == FileTreeModel::COL_WANTED)
{
QStyleOptionViewItemV4 vi (option);
vi.features |= QStyleOptionViewItemV4::HasCheckIndicator;
QRect checkRect = style->subElementRect (QStyle::SE_ItemViewItemCheckIndicator, &vi, nullptr);
checkRect.moveCenter (option.rect.center ());
drawCheck (painter, vi, checkRect, static_cast<Qt::CheckState> (index.data ().toInt ()));
}
QItemDelegate::drawFocus (painter, option, option.rect);
painter->restore();
}