/**************************************************************************** ** ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License versions 2.0 or 3.0 as published by the Free Software ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Alternatively you may (at ** your option) use any later version of the GNU General Public ** License if such license has been publicly approved by Trolltech ASA ** (or its successors, if any) and the KDE Free Qt Foundation. In ** addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.2, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If ** you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech, as the sole ** copyright holder for Qt Designer, grants users of the Qt/Eclipse ** Integration plug-in the right for the Qt/Eclipse Integration to ** link to functionality provided by Qt Designer and its related ** libraries. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly ** granted herein. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #include <QApplication> #include <QFont> #include <QGridLayout> #include <QPushButton> #include <QVBoxLayout> #include "cannonfield.h" #include "lcdrange.h" class MyWidget : public QWidget { public: MyWidget(QWidget *parent = 0); }; //! [0] MyWidget::MyWidget(QWidget *parent) : QWidget(parent) { //! [0] QPushButton *quit = new QPushButton(tr("&Quit")); quit->setFont(QFont("Times", 18, QFont::Bold)); connect(quit, SIGNAL(clicked()), qApp, SLOT(quit())); LCDRange *angle = new LCDRange; angle->setRange(5, 70); //! [1] LCDRange *force = new LCDRange; //! [1] //! [2] force->setRange(10, 50); //! [2] CannonField *cannonField = new CannonField; connect(angle, SIGNAL(valueChanged(int)), cannonField, SLOT(setAngle(int))); connect(cannonField, SIGNAL(angleChanged(int)), angle, SLOT(setValue(int))); //! [3] connect(force, SIGNAL(valueChanged(int)), //! [3] //! [4] cannonField, SLOT(setForce(int))); //! [4] //! [5] connect(cannonField, SIGNAL(forceChanged(int)), //! [5] //! [6] force, SLOT(setValue(int))); //! [6] //! [7] QVBoxLayout *leftLayout = new QVBoxLayout; leftLayout->addWidget(angle); leftLayout->addWidget(force); //! [7] //! [9] QGridLayout *gridLayout = new QGridLayout; gridLayout->addWidget(quit, 0, 0); gridLayout->addLayout(leftLayout, 1, 0); gridLayout->addWidget(cannonField, 1, 1, 2, 1); gridLayout->setColumnStretch(1, 10); //! [9] setLayout(gridLayout); angle->setValue(60); //! [10] force->setValue(25); //! [10] angle->setFocus(); } int main(int argc, char *argv[]) { QApplication app(argc, argv); MyWidget widget; widget.setGeometry(100, 100, 500, 355); widget.show(); return app.exec(); }