evGUIWizardPanel.h

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/*
 *
 * EVITA: Efficient Visualization of Terascale Datasets
 * Copyright (C) 2000-2016  Team Evita
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
 * MA 02139, USA.
 *
 */


#ifndef __evGUIWizardPanel_h
#define __evGUIWizardPanel_h


#include <FL/Fl_Button.H>

#include "evGUIObject.h"


class evGUIWizardPanel;
typedef int (*evGUIWizardPanelCallback)(evGUIWizardPanel *panel,
                                        void *data);

class evGUIWizardPanel : public evGUIObject, public Fl_Group
{
public:
  evGUIWizardPanel(const int x, const int y, const int width, const int height);
  virtual ~evGUIWizardPanel(void);
  
  virtual const evString GetClassName(void) const
  {
    return(evString("evGUIWizardPanel"));
  }
  
  void SetCallback(evGUIWizardPanelCallback callback, void *data);
  int DoCallback(void);
  
  void SetNoButtons(void);
  int DrawButtons(void) const;

protected:
  
private:
  evGUIWizardPanelCallback Callback;
  void *CallbackData;
  int NoButtons;
};


inline evGUIWizardPanel::evGUIWizardPanel(const int x, const int y,
                                          const int width, const int height) :
  Fl_Group(x, y, width, height), NoButtons(0)
{
  this->Callback = NULL;
  this->CallbackData = NULL;
}


inline evGUIWizardPanel::~evGUIWizardPanel(void)
{
}


inline void evGUIWizardPanel::SetCallback(evGUIWizardPanelCallback
                                          callback,
                                          void *data)
{
  this->Callback = callback;
  this->CallbackData = data;
}


inline int evGUIWizardPanel::DoCallback(void)
{
  if (this->Callback == NULL)
    return(0);
  return(this->Callback(this, this->CallbackData));
}


inline void evGUIWizardPanel::SetNoButtons(void)
{
  this->NoButtons = 1;
}


inline int evGUIWizardPanel::DrawButtons(void) const
{
  return(!this->NoButtons);
}


#endif