#include #include #include #include #include #include "barchart.h" class MainWindow: public QMainWindow { public: MainWindow( QWidget * = NULL ); private: BarChart *d_chart; }; MainWindow::MainWindow( QWidget *parent ): QMainWindow( parent ) { d_chart = new BarChart( this ); setCentralWidget( d_chart ); QToolBar *toolBar = new QToolBar( this ); QComboBox *orientationBox = new QComboBox( toolBar ); orientationBox->addItem( "Vertical" ); orientationBox->addItem( "Horizontal" ); orientationBox->setSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ); QToolButton *btnExport = new QToolButton( toolBar ); btnExport->setText( "Export" ); btnExport->setToolButtonStyle( Qt::ToolButtonTextUnderIcon ); connect( btnExport, SIGNAL( clicked() ), d_chart, SLOT( exportChart() ) ); toolBar->addWidget( orientationBox ); toolBar->addWidget( btnExport ); addToolBar( toolBar ); d_chart->setOrientation( orientationBox->currentIndex() ); connect( orientationBox, SIGNAL( currentIndexChanged( int ) ), d_chart, SLOT( setOrientation( int ) ) ); } int main( int argc, char **argv ) { QApplication a( argc, argv ); MainWindow mainWindow; mainWindow.resize( 600, 400 ); mainWindow.show(); return a.exec(); }