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Diffstat (limited to 'examples/itemviews/stardelegate/stareditor.cpp')
-rw-r--r-- | examples/itemviews/stardelegate/stareditor.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/examples/itemviews/stardelegate/stareditor.cpp b/examples/itemviews/stardelegate/stareditor.cpp new file mode 100644 index 0000000..633229f --- /dev/null +++ b/examples/itemviews/stardelegate/stareditor.cpp @@ -0,0 +1,99 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "stareditor.h" +#include "starrating.h" + +//! [0] +StarEditor::StarEditor(QWidget *parent) + : QWidget(parent) +{ + setMouseTracking(true); + setAutoFillBackground(true); +} +//! [0] + +QSize StarEditor::sizeHint() const +{ + return myStarRating.sizeHint(); +} + +//! [1] +void StarEditor::paintEvent(QPaintEvent *) +{ + QPainter painter(this); + myStarRating.paint(&painter, rect(), this->palette(), + StarRating::Editable); +} +//! [1] + +//! [2] +void StarEditor::mouseMoveEvent(QMouseEvent *event) +{ + int star = starAtPosition(event->x()); + + if (star != myStarRating.starCount() && star != -1) { + myStarRating.setStarCount(star); + update(); + } +} +//! [2] + +//! [3] +void StarEditor::mouseReleaseEvent(QMouseEvent * /* event */) +{ + emit editingFinished(); +} +//! [3] + +//! [4] +int StarEditor::starAtPosition(int x) +{ + int star = (x / (myStarRating.sizeHint().width() + / myStarRating.maxStarCount())) + 1; + if (star <= 0 || star > myStarRating.maxStarCount()) + return -1; + + return star; +} +//! [4] |