5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
127 lines
4.8 KiB
C++
127 lines
4.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "bookdelegate.h"
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#include <QtWidgets>
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BookDelegate::BookDelegate(QObject *parent)
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: QSqlRelationalDelegate(parent), star(QPixmap(":images/star.png"))
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{
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}
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void BookDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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if (index.column() != 5) {
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QStyleOptionViewItemV3 opt = option;
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opt.rect.adjust(0, 0, -1, -1); // since we draw the grid ourselves
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QSqlRelationalDelegate::paint(painter, opt, index);
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} else {
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const QAbstractItemModel *model = index.model();
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QPalette::ColorGroup cg = (option.state & QStyle::State_Enabled) ?
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(option.state & QStyle::State_Active) ? QPalette::Normal : QPalette::Inactive : QPalette::Disabled;
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if (option.state & QStyle::State_Selected)
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painter->fillRect(option.rect, option.palette.color(cg, QPalette::Highlight));
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int rating = model->data(index, Qt::DisplayRole).toInt();
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int width = star.width();
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int height = star.height();
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int x = option.rect.x();
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int y = option.rect.y() + (option.rect.height() / 2) - (height / 2);
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for (int i = 0; i < rating; ++i) {
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painter->drawPixmap(x, y, star);
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x += width;
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}
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drawFocus(painter, option, option.rect.adjusted(0, 0, -1, -1)); // since we draw the grid ourselves
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}
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QPen pen = painter->pen();
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painter->setPen(option.palette.color(QPalette::Mid));
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painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight());
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painter->drawLine(option.rect.topRight(), option.rect.bottomRight());
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painter->setPen(pen);
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}
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QSize BookDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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if (index.column() == 5)
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return QSize(5 * star.width(), star.height()) + QSize(1, 1);
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return QSqlRelationalDelegate::sizeHint(option, index) + QSize(1, 1); // since we draw the grid ourselves
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}
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bool BookDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
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const QStyleOptionViewItem &option,
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const QModelIndex &index)
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{
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if (index.column() != 5)
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return QSqlRelationalDelegate::editorEvent(event, model, option, index);
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if (event->type() == QEvent::MouseButtonPress) {
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QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
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int stars = qBound(0, int(0.7 + qreal(mouseEvent->pos().x()
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- option.rect.x()) / star.width()), 5);
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model->setData(index, QVariant(stars));
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return false; //so that the selection can change
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}
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return true;
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}
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QWidget *BookDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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if (index.column() != 4)
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return QSqlRelationalDelegate::createEditor(parent, option, index);
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// for editing the year, return a spinbox with a range from -1000 to 2100.
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QSpinBox *sb = new QSpinBox(parent);
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sb->setFrame(false);
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sb->setMaximum(2100);
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sb->setMinimum(-1000);
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return sb;
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}
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