/**************************************************************************** ** ** 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] }