MainWindow 0 0 400 300 Qt-LibXL Qt::ToolButtonIconOnly false Qt::Vertical 20 74 Qt::Horizontal 82 20 200 75 Generate Excel report Qt::Horizontal 82 20 Qt::Vertical 20 74 0 0 400 21 File Exit actionExit triggered() MainWindow close() -1 -1 199 149 pushButton clicked() MainWindow generateExcel() 199 150 199 149 generateExcel()