summaryrefslogtreecommitdiffstats
path: root/doc/src/snippets/reading-selections/window.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/reading-selections/window.cpp
downloadQt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2
Long live Qt 4.5!
Diffstat (limited to 'doc/src/snippets/reading-selections/window.cpp')
-rw-r--r--doc/src/snippets/reading-selections/window.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/doc/src/snippets/reading-selections/window.cpp b/doc/src/snippets/reading-selections/window.cpp
new file mode 100644
index 0000000..acf5096
--- /dev/null
+++ b/doc/src/snippets/reading-selections/window.cpp
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+ window.cpp
+
+ A minimal subclass of QTableView with slots to allow the selection model
+ to be monitored.
+*/
+
+#include <QAbstractItemModel>
+#include <QItemSelection>
+#include <QItemSelectionModel>
+#include <QMenu>
+#include <QMenuBar>
+#include <QStatusBar>
+
+#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]
+}