C++/Qt/QAbstractTableModel
A simple example that shows how selections can be used directly on a model
<source lang="cpp"> /****************************************************************************
- Copyright (C) 2009 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.
- $QT_BEGIN_LICENSE:LGPL$
- Commercial Usage
- Licensees holding valid Qt Commercial licenses may use this file in
- accordance with the Qt Commercial License Agreement provided with the
- Software or, alternatively, in accordance with the terms contained in
- a written agreement between you and Nokia.
- 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.
- 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 have questions regarding the use of this file, please contact
- Nokia at qt-info@nokia.com.
- $QT_END_LICENSE$
-
- /
- 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
/*
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;
}
/*
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);
TableModel *model = new TableModel(8, 4, &app); QTableView *table = new QTableView(0); table->setModel(model); QItemSelectionModel *selectionModel = table->selectionModel(); QModelIndex topLeft; QModelIndex bottomRight; topLeft = model->index(0, 0, QModelIndex()); bottomRight = model->index(5, 2, QModelIndex());
QItemSelection selection(topLeft, bottomRight); selectionModel->select(selection, QItemSelectionModel::Select);
QItemSelection toggleSelection; topLeft = model->index(2, 1, QModelIndex()); bottomRight = model->index(7, 3, QModelIndex()); toggleSelection.select(topLeft, bottomRight); selectionModel->select(toggleSelection, QItemSelectionModel::Toggle);
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);
table->setWindowTitle("Selected items in a table model"); table->show(); table->resize(460, 280); return app.exec();
}
</source>
<source lang="cpp"> /****************************************************************************
- Copyright (C) 2009 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.
- $QT_BEGIN_LICENSE:LGPL$
- Commercial Usage
- Licensees holding valid Qt Commercial licenses may use this file in
- accordance with the Qt Commercial License Agreement provided with the
- Software or, alternatively, in accordance with the terms contained in
- a written agreement between you and Nokia.
- 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.
- 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 have questions regarding the use of this file, please contact
- Nokia at qt-info@nokia.com.
- $QT_END_LICENSE$
-
- /
- 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
/*
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;
}
/*
main.cpp A simple example that shows how a single model can be shared between multiple views.
- /
- include <QApplication>
- include <QHeaderView>
- include <QItemSelectionModel>
- include <QTableView>
- include "model.h"
int main(int argc, char *argv[]) {
QApplication app(argc, argv); TableModel *model = new TableModel(4, 2, &app);
QTableView *firstTableView = new QTableView; QTableView *secondTableView = new QTableView;
firstTableView->setModel(model); secondTableView->setModel(model);
firstTableView->horizontalHeader()->setModel(model); for (int row = 0; row < 4; ++row) { for (int column = 0; column < 2; ++column) { QModelIndex index = model->index(row, column, QModelIndex()); model->setData(index, QVariant(QString("(%1, %2)").arg(row).arg(column))); } }
secondTableView->setSelectionModel(firstTableView->selectionModel());
firstTableView->setWindowTitle("First table view"); secondTableView->setWindowTitle("Second table view"); firstTableView->show(); secondTableView->show(); return app.exec();
}
</source>
how selections can be used directly on a model
<source lang="cpp"> /****************************************************************************
- Copyright (C) 2009 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.
- $QT_BEGIN_LICENSE:LGPL$
- Commercial Usage
- Licensees holding valid Qt Commercial licenses may use this file in
- accordance with the Qt Commercial License Agreement provided with the
- Software or, alternatively, in accordance with the terms contained in
- a written agreement between you and Nokia.
- 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.
- 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 have questions regarding the use of this file, please contact
- Nokia at qt-info@nokia.com.
- $QT_END_LICENSE$
-
- /
- 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
/*
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;
} /*!
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;
}
- ifndef WINDOW_H
- define WINDOW_H
- include <QItemSelection>
- include <QMainWindow>
- include <QAbstractItemModel>
- include <QWidget>
- include <QTableView>
class MainWindow : public QMainWindow {
Q_OBJECT
public:
MainWindow(QWidget *parent = 0);
private slots:
void fillSelection(); void clearSelection(); void selectAll();
private:
QAbstractItemModel *model; QItemSelectionModel *selectionModel; QTableView *table;
};
- endif
/*
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() {
QModelIndexList indexes = selectionModel->selectedIndexes(); QModelIndex index; foreach(index, indexes) { QString text = QString("(%1,%2)").arg(index.row()).arg(index.column()); model->setData(index, text); }
} void MainWindow::clearSelection() {
QModelIndexList indexes = selectionModel->selectedIndexes(); QModelIndex index; foreach(index, indexes) model->setData(index, "");
} void MainWindow::selectAll() {
QModelIndex parent = QModelIndex(); QModelIndex topLeft = model->index(0, 0, parent); QModelIndex bottomRight = model->index(model->rowCount(parent)-1, model->columnCount(parent)-1, parent);
QItemSelection selection(topLeft, bottomRight); selectionModel->select(selection, QItemSelectionModel::Select);
}
/*
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 "window.h"
int main(int argc, char *argv[]) {
QApplication app(argc, argv); QMainWindow *window = new MainWindow; window->show(); window->resize(640, 480); return app.exec();
}
</source>