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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "annotateditemdelegate.h"
#include <QSize>
#include <QModelIndex>
#include <QStandardItemModel>
#include <QPainter>
#include <QStyle>
#include <QStyleOptionViewItemV4>
#include <QApplication>
using namespace Utils;
AnnotatedItemDelegate::AnnotatedItemDelegate(QObject *parent) : QStyledItemDelegate(parent)
{}
AnnotatedItemDelegate::~AnnotatedItemDelegate()
{}
void AnnotatedItemDelegate::setAnnotationRole(int role)
{
m_annotationRole = role;
}
int AnnotatedItemDelegate::annotationRole() const
{
return m_annotationRole;
}
void AnnotatedItemDelegate::setDelimiter(const QString &delimiter)
{
m_delimiter = delimiter;
}
const QString &AnnotatedItemDelegate::delimiter() const
{
return m_delimiter;
}
void AnnotatedItemDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
QStyle *style = QApplication::style();
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);
style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
QString annotation = index.data(m_annotationRole).toString();
if (!annotation.isEmpty()) {
int newlinePos = annotation.indexOf(QLatin1Char('\n'));
if (newlinePos != -1) {
// print first line with '...' at end
const QChar ellipsisChar(0x2026);
annotation = annotation.left(newlinePos) + ellipsisChar;
}
QPalette disabled(opt.palette);
disabled.setCurrentColorGroup(QPalette::Disabled);
painter->save();
painter->setPen(disabled.color(QPalette::WindowText));
static int extra = opt.fontMetrics.width(m_delimiter) + 10;
const QPixmap &pixmap = opt.icon.pixmap(opt.decorationSize);
const QRect &iconRect = style->itemPixmapRect(opt.rect, opt.decorationAlignment, pixmap);
const QRect &displayRect = style->itemTextRect(opt.fontMetrics, opt.rect,
opt.displayAlignment, true, index.data(Qt::DisplayRole).toString());
QRect annotationRect = style->itemTextRect(opt.fontMetrics, opt.rect,
opt.displayAlignment, true, annotation);
annotationRect.adjust(iconRect.width() + displayRect.width() + extra, 0,
iconRect.width() + displayRect.width() + extra, 0);
QApplication::style()->drawItemText(painter, annotationRect,
Qt::AlignLeft | Qt::AlignBottom, disabled, true, annotation);
painter->restore();
}
}
QSize AnnotatedItemDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
const QString &annotation = index.data(m_annotationRole).toString();
if (!annotation.isEmpty())
opt.text += m_delimiter + annotation;
return QApplication::style()->sizeFromContents(QStyle::CT_ItemViewItem, &opt, QSize(), 0);
}
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