4 files changed, 430 insertions, 0 deletions
diff --git a/src/widgets/doc/snippets/itemselection/itemselection.pro b/src/widgets/doc/snippets/itemselection/itemselection.pro
new file mode 100644
index 0000000000..b1126bfe73
--- /dev/null
+++ b/src/widgets/doc/snippets/itemselection/itemselection.pro
@@ -0,0 +1,3 @@
+HEADERS     = model.h
+SOURCES     = main.cpp \
+              model.cpp
diff --git a/src/widgets/doc/snippets/itemselection/main.cpp b/src/widgets/doc/snippets/itemselection/main.cpp
new file mode 100644
index 0000000000..f39fb68b32
--- /dev/null
+++ b/src/widgets/doc/snippets/itemselection/main.cpp
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+  main.cpp
+
+  A simple example that shows how selections can be used directly on a model.
+  It shows the result of some selections made using a table view.
+*/
+
+#include <QApplication>
+#include <QItemSelection>
+#include <QItemSelectionModel>
+#include <QTableView>
+
+#include "model.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+//! [0]
+    TableModel *model = new TableModel(8, 4, &app);
+
+    QTableView *table = new QTableView(0);
+    table->setModel(model);
+
+    QItemSelectionModel *selectionModel = table->selectionModel();
+//! [0] //! [1]
+    QModelIndex topLeft;
+    QModelIndex bottomRight;
+
+    topLeft = model->index(0, 0, QModelIndex());
+    bottomRight = model->index(5, 2, QModelIndex());
+//! [1]
+
+//! [2]
+    QItemSelection selection(topLeft, bottomRight);
+    selectionModel->select(selection, QItemSelectionModel::Select);
+//! [2]
+
+//! [3]
+    QItemSelection toggleSelection;
+
+    topLeft = model->index(2, 1, QModelIndex());
+    bottomRight = model->index(7, 3, QModelIndex());
+    toggleSelection.select(topLeft, bottomRight);
+
+    selectionModel->select(toggleSelection, QItemSelectionModel::Toggle);
+//! [3]
+
+//! [4]
+    QItemSelection columnSelection;
+
+    topLeft = model->index(0, 1, QModelIndex());
+    bottomRight = model->index(0, 2, QModelIndex());
+
+    columnSelection.select(topLeft, bottomRight);
+
+    selectionModel->select(columnSelection,
+        QItemSelectionModel::Select | QItemSelectionModel::Columns);
+
+    QItemSelection rowSelection;
+
+    topLeft = model->index(0, 0, QModelIndex());
+    bottomRight = model->index(1, 0, QModelIndex());
+
+    rowSelection.select(topLeft, bottomRight);
+
+    selectionModel->select(rowSelection,
+        QItemSelectionModel::Select | QItemSelectionModel::Rows);
+//! [4]
+
+    table->setWindowTitle("Selected items in a table model");
+    table->show();
+    table->resize(460, 280);
+    return app.exec();
+}
diff --git a/src/widgets/doc/snippets/itemselection/model.cpp b/src/widgets/doc/snippets/itemselection/model.cpp
new file mode 100644
index 0000000000..6c9c5bad82
--- /dev/null
+++ b/src/widgets/doc/snippets/itemselection/model.cpp
@@ -0,0 +1,238 @@
+/****************************************************************************
+**
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+    model.cpp
+
+    Provides a table model for use in various examples.
+*/
+
+#include <QtGui>
+
+#include "model.h"
+
+/*!
+    Constructs a table model with at least one row and one column.
+*/
+
+TableModel::TableModel(int rows, int columns, QObject *parent)
+    : QAbstractTableModel(parent)
+{
+    QStringList newList;
+
+    for (int column = 0; column < qMax(1, columns); ++column) {
+        newList.append("");
+    }
+
+    for (int row = 0; row < qMax(1, rows); ++row) {
+        rowList.append(newList);
+    }
+}
+
+
+/*!
+    Returns the number of items in the row list as the number of rows
+    in the model.
+*/
+
+int TableModel::rowCount(const QModelIndex &/*parent*/) const
+{
+    return rowList.size();
+}
+
+/*!
+    Returns the number of items in the first list item as the number of
+    columns in the model. All rows should have the same number of columns.
+*/
+
+int TableModel::columnCount(const QModelIndex &/*parent*/) const
+{
+    return rowList[0].size();
+}
+
+/*!
+    Returns an appropriate value for the requested data.
+    If the view requests an invalid index, an invalid variant is returned.
+    Any valid index that corresponds to a string in the list causes that
+    string to be returned for the display role; otherwise an invalid variant
+    is returned.
+*/
+
+QVariant TableModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (role == Qt::DisplayRole)
+        return rowList[index.row()][index.column()];
+    else
+        return QVariant();
+}
+
+/*!
+    Returns the appropriate header string depending on the orientation of
+    the header and the section. If anything other than the display role is
+    requested, we return an invalid variant.
+*/
+
+QVariant TableModel::headerData(int section, Qt::Orientation orientation,
+                                int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (orientation == Qt::Horizontal)
+        return QString("Column %1").arg(section);
+    else
+        return QString("Row %1").arg(section);
+}
+
+/*!
+    Returns an appropriate value for the item's flags. Valid items are
+    enabled, selectable, and editable.
+*/
+
+Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return Qt::ItemIsEnabled;
+
+    return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable;
+}
+
+/*!
+    Changes an item in the model, but only if the following conditions
+    are met:
+
+    * The index supplied is valid.
+    * The role associated with editing text is specified.
+
+    The dataChanged() signal is emitted if the item is changed.
+*/
+
+bool TableModel::setData(const QModelIndex &index,
+                         const QVariant &value, int role)
+{
+    if (!index.isValid() || role != Qt::EditRole)
+        return false;
+
+    rowList[index.row()][index.column()] = value.toString();
+    emit dataChanged(index, index);
+    return true;
+}
+
+/*!
+    Inserts a number of rows into the model at the specified position.
+*/
+
+bool TableModel::insertRows(int position, int rows, const QModelIndex &parent)
+{
+    int columns = columnCount();
+    beginInsertRows(parent, position, position + rows - 1);
+
+    for (int row = 0; row < rows; ++row) {
+        QStringList items;
+        for (int column = 0; column < columns; ++column)
+            items.append("");
+        rowList.insert(position, items);
+    }
+
+    endInsertRows();
+    return true;
+}
+
+/*!
+    Inserts a number of columns into the model at the specified position.
+    Each entry in the list is extended in turn with the required number of
+    empty strings.
+*/
+
+bool TableModel::insertColumns(int position, int columns,
+                               const QModelIndex &parent)
+{
+    int rows = rowCount();
+    beginInsertColumns(parent, position, position + columns - 1);
+
+    for (int row = 0; row < rows; ++row) {
+        for (int column = position; column < columns; ++column) {
+            rowList[row].insert(position, "");
+        }
+    }
+
+    endInsertColumns();
+    return true;
+}
+
+/*!
+    Removes a number of rows from the model at the specified position.
+*/
+
+bool TableModel::removeRows(int position, int rows, const QModelIndex &parent)
+{
+    beginRemoveRows(parent, position, position + rows - 1);
+
+    for (int row = 0; row < rows; ++row) {
+        rowList.removeAt(position);
+    }
+
+    endRemoveRows();
+    return true;
+}
+
+/*!
+    Removes a number of columns from the model at the specified position.
+    Each row is shortened by the number of columns specified.
+*/
+
+bool TableModel::removeColumns(int position, int columns,
+                               const QModelIndex &parent)
+{
+    int rows = rowCount();
+    beginRemoveColumns(parent, position, position + columns - 1);
+
+    for (int row = 0; row < rows; ++row) {
+        for (int column = 0; column < columns; ++column) {
+            rowList[row].removeAt(position);
+        }
+    }
+
+    endRemoveColumns();
+    return true;
+}
diff --git a/src/widgets/doc/snippets/itemselection/model.h b/src/widgets/doc/snippets/itemselection/model.h
new file mode 100644
index 0000000000..ef63e45ce0
--- /dev/null
+++ b/src/widgets/doc/snippets/itemselection/model.h
@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MODEL_H
+#define MODEL_H
+
+#include <QAbstractTableModel>
+#include <QStringList>
+#include <QVariant>
+
+class TableModel : public QAbstractTableModel
+{
+    Q_OBJECT
+
+public:
+    TableModel(int rows = 1, int columns = 1, QObject *parent = 0);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role) const;
+    QVariant headerData(int section, Qt::Orientation orientation,
+                        int role = Qt::DisplayRole) const;
+
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    bool setData(const QModelIndex &index, const QVariant &value,
+                 int role = Qt::EditRole);
+
+    bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex());
+    bool insertColumns(int position, int columns, const QModelIndex &parent = QModelIndex());
+    bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex());
+    bool removeColumns(int position, int columns, const QModelIndex &parent = QModelIndex());
+
+private:
+    QList<QStringList> rowList;
+};
+
+#endif