diff -r 41300fa6a67c -r f7bc934e204c doc/src/snippets/reading-selections/window.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/doc/src/snippets/reading-selections/window.cpp Wed Mar 31 11:06:36 2010 +0300 @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + window.cpp + + A minimal subclass of QTableView with slots to allow the selection model + to be monitored. +*/ + +#include +#include +#include +#include +#include +#include + +#include "model.h" +#include "window.h" + +MainWindow::MainWindow(QWidget *parent) + : QMainWindow(parent) +{ + setWindowTitle("Selected Items in a Table Model"); + + model = new TableModel(8, 4, this); + + table = new QTableView(this); + table->setModel(model); + + QMenu *actionMenu = new QMenu(tr("&Actions"), this); + QAction *fillAction = actionMenu->addAction(tr("&Fill Selection")); + QAction *clearAction = actionMenu->addAction(tr("&Clear Selection")); + QAction *selectAllAction = actionMenu->addAction(tr("&Select All")); + menuBar()->addMenu(actionMenu); + + connect(fillAction, SIGNAL(triggered()), this, SLOT(fillSelection())); + connect(clearAction, SIGNAL(triggered()), this, SLOT(clearSelection())); + connect(selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll())); + + selectionModel = table->selectionModel(); + + statusBar(); + setCentralWidget(table); +} + +void MainWindow::fillSelection() +{ +//! [0] + QModelIndexList indexes = selectionModel->selectedIndexes(); + QModelIndex index; + + foreach(index, indexes) { + QString text = QString("(%1,%2)").arg(index.row()).arg(index.column()); + model->setData(index, text); + } +//! [0] +} + +void MainWindow::clearSelection() +{ + QModelIndexList indexes = selectionModel->selectedIndexes(); + QModelIndex index; + + foreach(index, indexes) + model->setData(index, ""); +} + +void MainWindow::selectAll() +{ +//! [1] + QModelIndex parent = QModelIndex(); +//! [1] //! [2] + QModelIndex topLeft = model->index(0, 0, parent); + QModelIndex bottomRight = model->index(model->rowCount(parent)-1, + model->columnCount(parent)-1, parent); +//! [2] + +//! [3] + QItemSelection selection(topLeft, bottomRight); + selectionModel->select(selection, QItemSelectionModel::Select); +//! [3] +}