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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the documentation of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "mainwindow.h"

    45 

    46 MainWindow::MainWindow()

    47 {

    48     QMenu *fileMenu = new QMenu(tr("&File"));

    49 

    50     QAction *quitAction = fileMenu->addAction(tr("E&xit"));

    51     quitAction->setShortcut(tr("Ctrl+Q"));

    52 

    53     QMenu *tableMenu = new QMenu(tr("&Table"));

    54 

    55     QAction *tableWidthAction = tableMenu->addAction(tr("Change Table &Width"));

    56     QAction *tableHeightAction = tableMenu->addAction(tr("Change Table &Height"));

    57 

    58     menuBar()->addMenu(fileMenu);

    59     menuBar()->addMenu(tableMenu);

    60 

    61 //! [0]

    62     tableWidget = new QTableWidget(this);

    63 //! [0]

    64     tableWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);

    65 

    66     connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));

    67     connect(tableWidthAction, SIGNAL(triggered()), this, SLOT(changeWidth()));

    68     connect(tableHeightAction, SIGNAL(triggered()), this, SLOT(changeHeight()));

    69 

    70     setupTableItems();

    71 

    72     setCentralWidget(tableWidget);

    73     setWindowTitle(tr("Table Widget Resizing"));

    74 }

    75 

    76 void MainWindow::setupTableItems()

    77 {

    78 //! [1]

    79     tableWidget->setRowCount(10);

    80     tableWidget->setColumnCount(5);

    81 //! [1]

    82 

    83     for (int row = 0; row < tableWidget->rowCount(); ++row) {

    84         for (int column = 0; column < tableWidget->columnCount(); ++column) {

    85 //! [2]

    86     QTableWidgetItem *newItem = new QTableWidgetItem(tr("%1").arg(

    87         (row+1)*(column+1)));

    88     tableWidget->setItem(row, column, newItem);

    89 //! [2]

    90         }

    91     }

    92 }

    93 

    94 void MainWindow::changeWidth()

    95 {

    96     bool ok;

    97 

    98     int newWidth = QInputDialog::getInteger(this, tr("Change table width"),

    99         tr("Input the number of columns required (1-20):"),

   100         tableWidget->columnCount(), 1, 20, 1, &ok);

   101 

   102     if (ok)

   103         tableWidget->setColumnCount(newWidth);

   104 }

   105 

   106 void MainWindow::changeHeight()

   107 {

   108     bool ok;

   109 

   110     int newHeight = QInputDialog::getInteger(this, tr("Change table height"),

   111         tr("Input the number of rows required (1-20):"),

   112         tableWidget->rowCount(), 1, 20, 1, &ok);

   113 

   114     if (ok)

   115         tableWidget->setRowCount(newHeight);

   116 }