diff options
Diffstat (limited to 'sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.cpp')
| -rw-r--r-- | sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.cpp | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.cpp b/sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.cpp deleted file mode 100644 index 4115f80cf..000000000 --- a/sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.cpp +++ /dev/null @@ -1,143 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "bookdelegate.h" - -#include <QtWidgets> - -BookDelegate::BookDelegate(QObject *parent) - : QSqlRelationalDelegate(parent), star(QPixmap(":images/star.png")) -{ -} - -void BookDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, - const QModelIndex &index) const -{ - if (index.column() != 5) { - QStyleOptionViewItem opt = option; - // Since we draw the grid ourselves: - opt.rect.adjust(0, 0, -1, -1); - QSqlRelationalDelegate::paint(painter, opt, index); - } else { - const QAbstractItemModel *model = index.model(); - QPalette::ColorGroup cg = (option.state & QStyle::State_Enabled) ? - (option.state & QStyle::State_Active) ? - QPalette::Normal : - QPalette::Inactive : - QPalette::Disabled; - - if (option.state & QStyle::State_Selected) - painter->fillRect( - option.rect, - option.palette.color(cg, QPalette::Highlight)); - - int rating = model->data(index, Qt::DisplayRole).toInt(); - int width = star.width(); - int height = star.height(); - int x = option.rect.x(); - int y = option.rect.y() + (option.rect.height() / 2) - (height / 2); - for (int i = 0; i < rating; ++i) { - painter->drawPixmap(x, y, star); - x += width; - } - // Since we draw the grid ourselves: - drawFocus(painter, option, option.rect.adjusted(0, 0, -1, -1)); - } - - QPen pen = painter->pen(); - painter->setPen(option.palette.color(QPalette::Mid)); - painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight()); - painter->drawLine(option.rect.topRight(), option.rect.bottomRight()); - painter->setPen(pen); -} - -QSize BookDelegate::sizeHint(const QStyleOptionViewItem &option, - const QModelIndex &index) const -{ - if (index.column() == 5) - return QSize(5 * star.width(), star.height()) + QSize(1, 1); - // Since we draw the grid ourselves: - return QSqlRelationalDelegate::sizeHint(option, index) + QSize(1, 1); -} - -bool BookDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, - const QStyleOptionViewItem &option, - const QModelIndex &index) -{ - if (index.column() != 5) - return QSqlRelationalDelegate::editorEvent(event, model, option, index); - - if (event->type() == QEvent::MouseButtonPress) { - QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event); - int stars = qBound(0, int(0.7 + qreal(mouseEvent->pos().x() - - option.rect.x()) / star.width()), 5); - model->setData(index, QVariant(stars)); - // So that the selection can change: - return false; - } - - return true; -} - -QWidget *BookDelegate::createEditor(QWidget *parent, - const QStyleOptionViewItem &option, - const QModelIndex &index) const -{ - if (index.column() != 4) - return QSqlRelationalDelegate::createEditor(parent, option, index); - - // For editing the year, return a spinbox with a range from -1000 to 2100. - QSpinBox *sb = new QSpinBox(parent); - sb->setFrame(false); - sb->setMaximum(2100); - sb->setMinimum(-1000); - - return sb; -} |