gui/qt_main.cpp

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
   4 **
   5 ** This file is part of the example classes of the Qt Toolkit.
   6 **
   7 ** This file may be used under the terms of the GNU General Public
   8 ** License version 2.0 as published by the Free Software Foundation
   9 ** and appearing in the file LICENSE.GPL included in the packaging of
  10 ** this file.  Please review the following information to ensure GNU
  11 ** General Public Licensing requirements will be met:
  12 ** http://www.trolltech.com/products/qt/opensource.html
  13 **
  14 ** If you are unsure which license is appropriate for your use, please
  15 ** review the following information:
  16 ** http://www.trolltech.com/products/qt/licensing.html or contact the
  17 ** sales department at sales@trolltech.com.
  18 **
  19 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  20 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  21 **
  22 ****************************************************************************/
  23
  24 #include <QApplication>
  25 #include <QFont>
  26 #include <QGridLayout>
  27 #include <QPushButton>
  28 #include <QWidget>
  29
  30 #include "lcdrange.h"
  31
  32 class MyWidget : public QWidget
  33 {
  34 public:
  35     MyWidget(QWidget *parent = 0);
  36 };
  37
  38 MyWidget::MyWidget(QWidget *parent)
  39     : QWidget(parent)
  40 {
  41     QPushButton *quit = new QPushButton(tr("Quit"));
  42     quit->setFont(QFont("Times", 18, QFont::Bold));
  43
  44     connect(quit, SIGNAL(clicked()), qApp, SLOT(quit()));
  45
  46     QGridLayout *grid = new QGridLayout;
  47     LCDRange *previousRange = 0;
  48
  49     for (int row = 0; row < 3; ++row) {
  50         for (int column = 0; column < 3; ++column) {
  51             LCDRange *lcdRange = new LCDRange;
  52             grid->addWidget(lcdRange, row, column);
  53             if (previousRange)
  54                 connect(lcdRange, SIGNAL(valueChanged(int)),
  55                         previousRange, SLOT(setValue(int)));
  56             previousRange = lcdRange;
  57         }
  58     }
  59     QVBoxLayout *layout = new QVBoxLayout;
  60     layout->addWidget(quit);
  61     layout->addLayout(grid);
  62     setLayout(layout);
  63 }
  64
  65 int qt_main(int argc, char *argv[])
  66 {
  67     QApplication app(argc, argv);
  68     MyWidget widget;
  69     widget.show();
  70     return app.exec();
  71 }