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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "freezetablewidget.h"
+
+//! [constructor]
+FreezeTableWidget::FreezeTableWidget(QAbstractItemModel * model)
+{
+ setModel(model);
+ frozenTableView = new QTableView(this);
+
+ init();
+
+ //connect the headers and scrollbars of both tableviews together
+ connect(horizontalHeader(),SIGNAL(sectionResized ( int ,int,int )), this,
+ SLOT(updateSectionWidth(int, int, int)));
+ connect(verticalHeader(),SIGNAL(sectionResized ( int ,int,int )), this,
+ SLOT(updateSectionHeight(int, int, int)));
+
+ connect(frozenTableView->verticalScrollBar(), SIGNAL(valueChanged(int)),
+ verticalScrollBar(), SLOT(setValue(int)));
+ connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
+ frozenTableView->verticalScrollBar(), SLOT(setValue(int)));
+
+
+}
+//! [constructor]
+
+FreezeTableWidget::~FreezeTableWidget()
+{
+ delete frozenTableView;
+}
+
+//! [init part1]
+void FreezeTableWidget::init()
+{
+ frozenTableView->setModel(model());
+ frozenTableView->setFocusPolicy(Qt::NoFocus);
+ frozenTableView->verticalHeader()->hide();
+ frozenTableView->horizontalHeader()->setResizeMode(QHeaderView::Fixed);
+
+ viewport()->stackUnder(frozenTableView);
+//! [init part1]
+
+//! [init part2]
+ frozenTableView->setStyleSheet("QTableView { border: none;"
+ "background-color: #8EDE21;}"); //for demo purposes
+ frozenTableView->setSelectionModel(selectionModel());
+ for(int col=1; col<model()->columnCount(); col++)
+ frozenTableView->setColumnHidden(col, true);
+
+ frozenTableView->setColumnWidth(0, columnWidth(0) );
+
+ frozenTableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ frozenTableView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ frozenTableView->show();
+
+ updateFrozenTableGeometry();
+
+ setHorizontalScrollMode(ScrollPerPixel);
+ setVerticalScrollMode(ScrollPerPixel);
+ frozenTableView->setVerticalScrollMode(ScrollPerPixel);
+}
+//! [init part2]
+
+
+//! [sections]
+void FreezeTableWidget::updateSectionWidth(int logicalIndex, int, int newSize)
+{
+ if(logicalIndex==0){
+ frozenTableView->setColumnWidth(0,newSize);
+ updateFrozenTableGeometry();
+ }
+}
+
+void FreezeTableWidget::updateSectionHeight(int logicalIndex, int, int newSize)
+{
+ frozenTableView->setRowHeight(logicalIndex, newSize);
+}
+//! [sections]
+
+
+//! [resize]
+void FreezeTableWidget::resizeEvent(QResizeEvent * event)
+{
+ QTableView::resizeEvent(event);
+ updateFrozenTableGeometry();
+ }
+//! [resize]
+
+
+//! [navigate]
+QModelIndex FreezeTableWidget::moveCursor(CursorAction cursorAction,
+ Qt::KeyboardModifiers modifiers)
+{
+ QModelIndex current = QTableView::moveCursor(cursorAction, modifiers);
+
+ if(cursorAction == MoveLeft && current.column()>0
+ && visualRect(current).topLeft().x() < frozenTableView->columnWidth(0) ){
+
+ const int newValue = horizontalScrollBar()->value() + visualRect(current).topLeft().x()
+ - frozenTableView->columnWidth(0);
+ horizontalScrollBar()->setValue(newValue);
+ }
+ return current;
+}
+//! [navigate]
+
+
+//! [geometry]
+void FreezeTableWidget::updateFrozenTableGeometry()
+{
+ frozenTableView->setGeometry( verticalHeader()->width()+frameWidth(),
+ frameWidth(), columnWidth(0),
+ viewport()->height()+horizontalHeader()->height());
+}
+//! [geometry]
+
+