summaryrefslogtreecommitdiffstats
path: root/src/widgets/doc/snippets/updating-selections/window.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/widgets/doc/snippets/updating-selections/window.cpp')
-rw-r--r--src/widgets/doc/snippets/updating-selections/window.cpp109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/widgets/doc/snippets/updating-selections/window.cpp b/src/widgets/doc/snippets/updating-selections/window.cpp
new file mode 100644
index 0000000000..eaa37b8c87
--- /dev/null
+++ b/src/widgets/doc/snippets/updating-selections/window.cpp
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+ window.cpp
+
+ A minimal subclass of QTableView with slots to allow the selection model
+ to be monitored.
+*/
+
+#include <QAbstractItemModel>
+#include <QItemSelection>
+#include <QItemSelectionModel>
+#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);
+
+ selectionModel = table->selectionModel();
+ connect(selectionModel,
+ SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
+ this, SLOT(updateSelection(const QItemSelection &, const QItemSelection &)));
+ connect(selectionModel,
+ SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
+ this, SLOT(changeCurrent(const QModelIndex &, const QModelIndex &)));
+
+ statusBar();
+ setCentralWidget(table);
+}
+
+//! [0]
+void MainWindow::updateSelection(const QItemSelection &selected,
+ const QItemSelection &deselected)
+{
+ QModelIndex index;
+ QModelIndexList items = selected.indexes();
+
+ foreach (index, items) {
+ QString text = QString("(%1,%2)").arg(index.row()).arg(index.column());
+ model->setData(index, text);
+//! [0] //! [1]
+ }
+//! [1]
+
+//! [2]
+ items = deselected.indexes();
+
+ foreach (index, items)
+ model->setData(index, "");
+}
+//! [2]
+
+//! [3]
+void MainWindow::changeCurrent(const QModelIndex &current,
+ const QModelIndex &previous)
+{
+ statusBar()->showMessage(
+ tr("Moved from (%1,%2) to (%3,%4)")
+ .arg(previous.row()).arg(previous.column())
+ .arg(current.row()).arg(current.column()));
+}
+//! [3]