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/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** 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 1.1, 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 have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include <QtGui> class RotationWidget : public QWidget { Q_OBJECT public: RotationWidget() { QVBoxLayout *layout = new QVBoxLayout(this); label = new QLabel; QHBoxLayout *blayout = new QHBoxLayout; blayout->setSpacing(0); QRadioButton *button1 = new QRadioButton("Portrait"); QRadioButton *button2 = new QRadioButton("Auto"); QRadioButton *button3 = new QRadioButton("Landscape"); button2->toggle(); connect(button1, SIGNAL(clicked()), this, SLOT(setPortrait())); connect(button2, SIGNAL(clicked()), this, SLOT(setAutoRotation())); connect(button3, SIGNAL(clicked()), this, SLOT(setLandscape())); blayout->addWidget(button1); blayout->addWidget(button2); blayout->addWidget(button3); layout->addWidget(label); layout->addLayout(blayout); // ![3] connect(QApplication::desktop(), SIGNAL(resized(int)), this, SLOT(orientationChanged())); // ![3] setAutoRotation(); // initialize the label according to the current rotation orientationChanged(); } public slots: void setLandscape() { // ![0] setAttribute(Qt::WA_Maemo5LandscapeOrientation, true); // ![0] } void setPortrait() { // ![1] setAttribute(Qt::WA_Maemo5PortraitOrientation, true); // ![1] } void setAutoRotation() { // ![2] setAttribute(Qt::WA_Maemo5AutoOrientation, true); // ![2] } // ![4] void orientationChanged() { QRect screenGeometry = QApplication::desktop()->screenGeometry(); if (screenGeometry.width() > screenGeometry.height()) label->setText("<p align=\"center\">In Landscape Mode</p>"); else label->setText("<p align=\"center\">In Portrait Mode</p>"); } // ![4] private: QLabel *label; }; int main(int argc, char *argv[]) { QApplication app(argc, argv); RotationWidget w; w.show(); return app.exec(); } #include "main.moc"
Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.6.2 |