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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 QtGui module 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.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCOLUMNVIEW_P_H
#define QCOLUMNVIEW_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qcolumnview.h"
#ifndef QT_NO_QCOLUMNVIEW
#include <private/qabstractitemview_p.h>
#include <QtCore/qabstractitemmodel.h>
#include <QtCore/qtimeline.h>
#include <QtGui/qabstractitemdelegate.h>
#include <QtGui/qabstractitemview.h>
#include <QtGui/qitemdelegate.h>
#include <qlistview.h>
#include <qevent.h>
#include <qscrollbar.h>
QT_BEGIN_NAMESPACE
class QColumnViewPreviewColumn : public QAbstractItemView {
public:
QColumnViewPreviewColumn(QWidget *parent) : QAbstractItemView(parent), previewWidget(0) {
}
void setPreviewWidget(QWidget *widget) {
previewWidget = widget;
setMinimumWidth(previewWidget->minimumWidth());
}
void resizeEvent(QResizeEvent * event){
if (!previewWidget)
return;
previewWidget->resize(
qMax(previewWidget->minimumWidth(), event->size().width()),
previewWidget->height());
QSize p = viewport()->size();
QSize v = previewWidget->size();
horizontalScrollBar()->setRange(0, v.width() - p.width());
horizontalScrollBar()->setPageStep(p.width());
verticalScrollBar()->setRange(0, v.height() - p.height());
verticalScrollBar()->setPageStep(p.height());
QAbstractScrollArea::resizeEvent(event);
}
QRect visualRect(const QModelIndex &) const
{
return QRect();
}
void scrollTo(const QModelIndex &, ScrollHint)
{
}
QModelIndex indexAt(const QPoint &) const
{
return QModelIndex();
}
QModelIndex moveCursor(CursorAction, Qt::KeyboardModifiers)
{
return QModelIndex();
}
int horizontalOffset () const {
return 0;
}
int verticalOffset () const {
return 0;
}
QRegion visualRegionForSelection(const QItemSelection &) const
{
return QRegion();
}
bool isIndexHidden(const QModelIndex &) const
{
return false;
}
void setSelection(const QRect &, QItemSelectionModel::SelectionFlags)
{
}
private:
QWidget *previewWidget;
};
class Q_AUTOTEST_EXPORT QColumnViewPrivate : public QAbstractItemViewPrivate
{
Q_DECLARE_PUBLIC(QColumnView)
public:
QColumnViewPrivate();
~QColumnViewPrivate();
void initialize();
QAbstractItemView *createColumn(const QModelIndex &index, bool show);
void updateScrollbars();
void closeColumns(const QModelIndex &parent = QModelIndex(), bool build = false);
void doLayout();
void setPreviewWidget(QWidget *widget);
void _q_gripMoved(int offset);
void _q_changeCurrentColumn();
void _q_clicked(const QModelIndex &index);
QList<QAbstractItemView*> columns;
QVector<int> columnSizes; // used during init and corner moving
bool showResizeGrips;
int offset;
QTimeLine currentAnimation;
QWidget *previewWidget;
QAbstractItemView *previewColumn;
};
/*!
* This is a delegate that will paint the triangle
*/
class QColumnViewDelegate : public QItemDelegate
{
public:
explicit QColumnViewDelegate(QObject *parent = 0) : QItemDelegate(parent) {};
~QColumnViewDelegate() {};
void paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const;
};
#endif // QT_NO_QCOLUMNVIEW
QT_END_NAMESPACE
#endif //QCOLUMNVIEW_P_H
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