display_group.h

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef DISPLAY_GROUP_H
#define DISPLAY_GROUP_H

#include "display.h"

namespace rviz
{

class DisplayFactory;

class DisplayGroup: public Display
{
Q_OBJECT
public:
  DisplayGroup();
  virtual ~DisplayGroup();

  Display* createDisplay( const QString& class_id );

  virtual int numChildren() const;

  virtual Property* childAtUnchecked( int index ) const;

  virtual Property* takeChildAt( int index );

  virtual void addChild( Property* child, int index = -1 );

  virtual Qt::ItemFlags getViewFlags( int column ) const;

  virtual void load( const Config& config );

  virtual void save( Config config ) const;

  virtual void addDisplay( Display* child );

  virtual Display* takeDisplay( Display* child );

  virtual void removeAllDisplays();

  virtual int numDisplays() const;

  virtual Display* getDisplayAt( int index ) const;

  virtual DisplayGroup* getGroupAt( int index ) const;

  virtual void update( float wall_dt, float ros_dt );

  virtual void reset();

public Q_SLOTS:
  virtual void onEnableChanged();

protected:
  virtual void fixedFrameChanged();

  virtual void addDisplayWithoutSignallingModel( Display* child );

Q_SIGNALS:

  void displayAdded( rviz::Display* display );
  void displayRemoved( rviz::Display* display );

private:
  QList<Display*> displays_;
};

} // end namespace rviz

#endif // DISPLAY_GROUP_H