/usr/include/vtk-5.8/vtkQtChartLegendModel.h is in libvtk5-dev 5.8.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Program: Visualization Toolkit
Module: vtkQtChartLegendModel.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/// \file vtkQtChartLegendModel.h
/// \date February 12, 2008
#ifndef _vtkQtChartLegendModel_h
#define _vtkQtChartLegendModel_h
#include "vtkQtChartExport.h"
#include <QObject>
#include <QPixmap> // Needed for return type
#include <QString> // Needed for return type
class vtkQtChartLegendModelInternal;
class vtkQtPointMarker;
class QPen;
/// \class vtkQtChartLegendModel
/// \brief
/// The vtkQtChartLegendModel class stores the data for a chart legend.
class VTKQTCHART_EXPORT vtkQtChartLegendModel : public QObject
{
Q_OBJECT
public:
/// \brief
/// Creates a chart legend model.
/// \param parent The parent object.
vtkQtChartLegendModel(QObject *parent=0);
virtual ~vtkQtChartLegendModel();
/// \brief
/// Adds an entry to the chart legend.
/// \param icon The series identifying image.
/// \param text The series label.
/// \return
/// The id for the inserted entry or zero for failure.
int addEntry(const QPixmap &icon, const QString &text, bool visible);
/// \brief
/// Inserts an entry into the chart legend.
/// \param index Where to place the new entry.
/// \param icon The series identifying image.
/// \param text The series label.
/// \return
/// The id for the inserted entry or zero for failure.
int insertEntry(
int index, const QPixmap &icon, const QString &text, bool visible);
/// \brief
/// Removes an entry from the chart legend.
/// \param index The index of the entry to remove.
void removeEntry(int index);
/// Removes all the entries from the legend.
void removeAllEntries();
/// \brief
/// Blocks the model modification signals.
///
/// This method should be called before making multiple changes to
/// the model. It will prevent the view from updating before the
/// changes are complete. Once all the changes are made, the
/// \c finishModifyingData method should be called to notify the
/// view of the changes.
///
/// \sa vtkQtChartLegendModel::finishModifyingData()
void startModifyingData();
/// \brief
/// Unblocks the model modification signals.
///
/// The \c entriesReset signal is emitted to synchronize the view.
///
/// \sa vtkQtChartLegendModel::startModifyingData()
void finishModifyingData();
/// \brief
/// Gets the number of entries in the legend.
/// \return
/// The number of entries in the legend.
int getNumberOfEntries() const;
/// \brief
/// Gets the index for the given id.
/// \param id The entry identifier.
/// \return
/// The index for the entry that matches the id or -1 if there is
/// no matching entry.
int getIndexForId(unsigned int id) const;
/// \brief
/// Gets the icon for the given index.
/// \param index The index of the entry.
/// \return
/// The icon for the given index or a null pixmap if the index is
/// out of bounds.
QPixmap getIcon(int index) const;
/// \brief
/// Sets the icon for the given index.
/// \param index The index of the entry.
/// \param icon The new series icon.
void setIcon(int index, const QPixmap &icon);
/// \brief
/// Gets the text for the given index.
/// \param index The index of the entry.
/// \return
/// The text for the given index or a null string if the index is
/// out of bounds.
QString getText(int index) const;
/// \brief
/// Sets the text for the given index.
/// \param index The index of the entry.
/// \param text The new series label.
void setText(int index, const QString &text);
/// \brief
/// Sets if the given entry is visible.
/// \param index The index of the entry.
/// \param visible The visibility of the entry.
void setVisible(int index, bool visible);
/// \brief
/// Returns if the given entry is visible.
bool getVisible(int index) const;
signals:
/// \brief
/// Emitted when a new entry is added.
/// \param index Where the entry was added.
void entryInserted(int index);
/// \brief
/// Emitted before an entry is removed.
/// \param index The index being removed.
void removingEntry(int index);
/// \brief
/// Emitted after an entry is removed.
/// \param index The index being removed.
void entryRemoved(int index);
/// Emitted when the legend entries are reset.
void entriesReset();
/// \brief
/// Emitted when the icon for an entry has changed.
/// \param index The index of the entry that changed.
void iconChanged(int index);
/// \brief
/// Emitted when the text for an entry has changed.
/// \param index The index of the entry that changed.
void textChanged(int index);
/// \brief
/// Emitted when the visibility of an entry changes.
void visibilityChanged(int index);
private:
vtkQtChartLegendModelInternal *Internal; ///< Stores the legend items.
bool InModify; ///< True when blocking signals.
};
#endif
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