1c9f53c4e5
These are obsolete since Qt 5.0. Change-Id: I297477eff129558553f52a04bb7828d95db27969 Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
119 lines
4.7 KiB
C++
119 lines
4.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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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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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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** $QT_END_LICENSE$
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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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QStyleOptionViewItem 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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