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diff --git a/doc/src/snippets/qtreewidget-using/mainwindow.cpp b/doc/src/snippets/qtreewidget-using/mainwindow.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
-** the names of its contributors may be used to endorse or promote
-** products derived from this software without specific prior written
-** permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtGui>
-
-#include "mainwindow.h"
-
-MainWindow::MainWindow()
-{
- QMenu *fileMenu = new QMenu(tr("&File"));
-
- QAction *quitAction = fileMenu->addAction(tr("E&xit"));
- quitAction->setShortcut(tr("Ctrl+Q"));
-
- QMenu *itemsMenu = new QMenu(tr("&Items"));
-
- insertAction = itemsMenu->addAction(tr("&Insert Item"));
- removeAction = itemsMenu->addAction(tr("&Remove Item"));
- removeAction->setEnabled(false);
- itemsMenu->addSeparator();
- ascendingAction = itemsMenu->addAction(tr("Sort in &Ascending Order"));
- descendingAction = itemsMenu->addAction(tr("Sort in &Descending Order"));
- autoSortAction = itemsMenu->addAction(tr("&Automatically Sort Items"));
- autoSortAction->setCheckable(true);
- itemsMenu->addSeparator();
- QAction *findItemsAction = itemsMenu->addAction(tr("&Find Items"));
- findItemsAction->setShortcut(tr("Ctrl+F"));
-
- menuBar()->addMenu(fileMenu);
- menuBar()->addMenu(itemsMenu);
-
-/* For convenient quoting:
-//! [0]
- QTreeWidget *treeWidget = new QTreeWidget(this);
-//! [0]
-*/
- treeWidget = new QTreeWidget(this);
-//! [1]
- treeWidget->setColumnCount(2);
-//! [1] //! [2]
- QStringList headers;
- headers << tr("Subject") << tr("Default");
- treeWidget->setHeaderLabels(headers);
-//! [2]
-
- connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
- connect(ascendingAction, SIGNAL(triggered()), this, SLOT(sortAscending()));
- connect(autoSortAction, SIGNAL(triggered()), this, SLOT(updateSortItems()));
- connect(descendingAction, SIGNAL(triggered()), this, SLOT(sortDescending()));
- connect(findItemsAction, SIGNAL(triggered()), this, SLOT(findItems()));
- connect(insertAction, SIGNAL(triggered()), this, SLOT(insertItem()));
- connect(removeAction, SIGNAL(triggered()), this, SLOT(removeItem()));
- connect(treeWidget,
- SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)),
- this, SLOT(updateMenus(QTreeWidgetItem *)));
-
- setupTreeItems();
- updateMenus(treeWidget->currentItem());
-
- setCentralWidget(treeWidget);
- setWindowTitle(tr("Tree Widget"));
-}
-
-void MainWindow::setupTreeItems()
-{
-//! [3]
- QTreeWidgetItem *cities = new QTreeWidgetItem(treeWidget);
- cities->setText(0, tr("Cities"));
- QTreeWidgetItem *osloItem = new QTreeWidgetItem(cities);
- osloItem->setText(0, tr("Oslo"));
- osloItem->setText(1, tr("Yes"));
-//! [3]
-
- (new QTreeWidgetItem(cities))->setText(0, tr("Stockholm"));
- (new QTreeWidgetItem(cities))->setText(0, tr("Helsinki"));
- (new QTreeWidgetItem(cities))->setText(0, tr("Copenhagen"));
-
-//! [4] //! [5]
- QTreeWidgetItem *planets = new QTreeWidgetItem(treeWidget, cities);
-//! [4]
- planets->setText(0, tr("Planets"));
-//! [5]
- (new QTreeWidgetItem(planets))->setText(0, tr("Mercury"));
- (new QTreeWidgetItem(planets))->setText(0, tr("Venus"));
-
- QTreeWidgetItem *earthItem = new QTreeWidgetItem(planets);
- earthItem->setText(0, tr("Earth"));
- earthItem->setText(1, tr("Yes"));
-
- (new QTreeWidgetItem(planets))->setText(0, tr("Mars"));
- (new QTreeWidgetItem(planets))->setText(0, tr("Jupiter"));
- (new QTreeWidgetItem(planets))->setText(0, tr("Saturn"));
- (new QTreeWidgetItem(planets))->setText(0, tr("Uranus"));
- (new QTreeWidgetItem(planets))->setText(0, tr("Neptune"));
- (new QTreeWidgetItem(planets))->setText(0, tr("Pluto"));
-}
-
-void MainWindow::findItems()
-{
- QString itemText = QInputDialog::getText(this, tr("Find Items"),
- tr("Text to find (including wildcards):"));
-
- if (itemText.isEmpty())
- return;
-
-//! [6]
- QTreeWidgetItem *item;
-//! [6]
- foreach (item, treeWidget->selectedItems())
- treeWidget->setItemSelected(item, false);
-
-//! [7]
- QList<QTreeWidgetItem *> found = treeWidget->findItems(
- itemText, Qt::MatchWildcard);
-
- foreach (item, found) {
- treeWidget->setItemSelected(item, true);
- // Show the item->text(0) for each item.
- }
-//! [7]
-}
-
-void MainWindow::insertItem()
-{
- QTreeWidgetItem *currentItem = treeWidget->currentItem();
-
- if (!currentItem)
- return;
-
- QString itemText = QInputDialog::getText(this, tr("Insert Item"),
- tr("Input text for the new item:"));
-
- if (itemText.isEmpty())
- return;
-
-//! [8]
- QTreeWidgetItem *parent = currentItem->parent();
- QTreeWidgetItem *newItem;
- if (parent)
- newItem = new QTreeWidgetItem(parent, treeWidget->currentItem());
- else
-//! [8] //! [9]
- newItem = new QTreeWidgetItem(treeWidget, treeWidget->currentItem());
-//! [9]
-
- newItem->setText(0, itemText);
-}
-
-void MainWindow::removeItem()
-{
- QTreeWidgetItem *currentItem = treeWidget->currentItem();
-
- if (!currentItem)
- return;
-
-//! [10]
- QTreeWidgetItem *parent = currentItem->parent();
- int index;
-
- if (parent) {
- index = parent->indexOfChild(treeWidget->currentItem());
- delete parent->takeChild(index);
- } else {
- index = treeWidget->indexOfTopLevelItem(treeWidget->currentItem());
- delete treeWidget->takeTopLevelItem(index);
-//! [10] //! [11]
- }
-//! [11]
-}
-
-void MainWindow::sortAscending()
-{
- treeWidget->sortItems(0, Qt::AscendingOrder);
-}
-
-void MainWindow::sortDescending()
-{
- treeWidget->sortItems(0, Qt::DescendingOrder);
-}
-
-void MainWindow::updateMenus(QTreeWidgetItem *current)
-{
- insertAction->setEnabled(current != 0);
- removeAction->setEnabled(current != 0);
-}
-
-void MainWindow::updateSortItems()
-{
- ascendingAction->setEnabled(!autoSortAction->isChecked());
- descendingAction->setEnabled(!autoSortAction->isChecked());
-
- treeWidget->setSortingEnabled(autoSortAction->isChecked());
-}
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