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/****************************************************************************
**
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the Itemviews NG project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 or 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 GNU
** General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** 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.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef QTGRAPHICSHEADER_H
#define QTGRAPHICSHEADER_H
#include "qitemviewsglobal.h"
#include <QtCore/qsize.h>
#include <QtGui/qtransform.h>
#include <QtGui/qgraphicswidget.h>
#include <QtGui/qstyleoption.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
//QT_MODULE(Gui)
class QtGraphicsHeaderPrivate;
class QRegion;
class QPainter;
class QWidget;
class Q_ITEMVIEWSNG_EXPORT QtGraphicsHeaderDataProvider
{
public:
virtual ~QtGraphicsHeaderDataProvider();
virtual QHash<int,QVariant> data(int logicalIndex, const QList<int> &roles) const = 0;
};
class Q_ITEMVIEWSNG_EXPORT QtGraphicsHeader : public QGraphicsWidget
{
Q_OBJECT
public:
explicit QtGraphicsHeader(Qt::Orientation orientation = Qt::Horizontal, QGraphicsWidget *parent = 0, Qt::WindowFlags wFlags = 0);
virtual ~QtGraphicsHeader();
void setDataProvider(QtGraphicsHeaderDataProvider *provider);
QtGraphicsHeaderDataProvider *dataProvider() const;
Qt::Orientation orientation() const;
void setOrientation(Qt::Orientation orientation);
qreal offset() const;
qreal maximumOffset() const;
qreal perpendicularSize() const;
qreal contentSize() const;
int sectionCount() const;
int visibleSectionCount(qreal visibleLength) const;
int firstSection() const;
int maximumFirstSection() const;
int mapToVisualIndex(int logicalIndex) const;
int mapToLogicalIndex(int visualIndex) const;
void setIndexMapping(const QVector<int> &visualToLogical);
const QVector<int> &indexMapping() const;
Qt::SortOrder sortIndicatorOrder(int logicalIndex) const;
bool isSortIndicatorShown(int logicalIndex) const;
qreal sectionSize(int logicalIndex) const;
qreal sectionPosition(int logicalIndex) const;
int sectionAt(const QPointF &position, const QTransform &transform = QTransform()) const;
QPair<qreal,qreal> sectionGeometryAt(const QPointF &position, const QTransform &transform = QTransform()) const;
bool isSectionHidden(int logicalIndex) const;
bool isSectionMovable(int logicalIndex) const;
bool isSectionClickable(int logicalIndex) const;
bool isSectionSelected(int logicalIndex) const;
bool isIdle() const; // ### FIXME not needed
virtual bool processEvent(QEvent *event, const QTransform &transform = QTransform()); // ### FIXME
public:
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *graphicsOption = 0, QWidget *widget = 0);
virtual void paintSection(QPainter *painter, QStyleOptionHeader *option, int logicalIndex) const;
virtual void paintEmptySection(QPainter *painter, QStyleOptionHeader *option) const;
virtual void paintDragIndicator(QPainter *painter, QStyleOptionHeader *option, int logicalIndex) const;
virtual QSizeF sectionSizeHint(QStyleOptionHeader *option, int logicalIndex) const;
virtual void initStyleOption(QStyleOptionHeader *option, QWidget *widget) const;
virtual void initStyleOption(QStyleOptionHeader *option, int logicalIndex) const;
//virtual void autoResizeSections();
void copyStyleOptionState(const QStyleOptionGraphicsItem *source, QStyleOptionHeader *dest);
void copySections(const QtGraphicsHeader &other);
public Q_SLOTS:
void setOffset(qreal offset);
void setSectionCount(int count);
void setFirstSection(int visualIndex);
void setSectionSize(int logicalIndex, qreal size);
void setSectionHidden(int logicalIndex, bool hidden = true);
void setSectionMovable(int logicalIndex, bool movable = true);
void setSectionClickable(int logicalIndex, bool clickable = true);
void setSectionSelected(int logicalIndex, bool selected = true);
void updateSections(int logicalIndex, int count);
void insertSections(int logicalIndex, int count);
void removeSections(int logicalIndex, int count);
void moveSection(int visualIndexFrom, int visualIndexTo);
void setSortIndicatorOrder(int logicalIndex, Qt::SortOrder order);
void setSortIndicatorShown(int logicalIndex, bool show = true);
//void setSectionResizeMode(int logicalIndex, int mode);
Q_SIGNALS:
void sectionMoved(int logicalIndex, int visualIndexTo, int visualIndexFrom);
void sectionResized(int logicalIndex, qreal newSize, qreal oldSize);
void sectionPressed(int logicalIndex, Qt::KeyboardModifiers modifiers);
void sectionReleased(int logicalIndex, Qt::KeyboardModifiers modifiers);
void sectionClicked(int logicalIndex, Qt::KeyboardModifiers modifiers);
void sectionEntered(int logicalIndex, Qt::KeyboardModifiers modifiers);
void sectionDoubleClicked(int logicalIndex, Qt::KeyboardModifiers modifiers);
void sectionDragSelected(int logicalIndex, Qt::KeyboardModifiers modifiers);
void sectionCountChanged(int newCount, int oldCount);
void sectionHandleDoubleClicked(int logicalIndex);
void sortIndicatorOrderChanged(int logicalIndex, Qt::SortOrder order);
void sortIndicatorShownChanged(int logicalIndex, bool shown);
void firstSectionChanged(int visualIndex);
void offsetChanged(qreal offset);
protected:
QtGraphicsHeader(QtGraphicsHeaderPrivate &, QGraphicsWidget *parent = 0, Qt::WindowFlags wFlags = 0);
virtual bool event(QEvent *event);
protected:
QtGraphicsHeaderPrivate *d_ptr;
private:
Q_DECLARE_PRIVATE(QtGraphicsHeader)
Q_DISABLE_COPY(QtGraphicsHeader)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif//QTGRAPHICSHEADER_H
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