evGUIMultiBrowser.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 __evGUIMultiBrowser_h
#define __evGUIMultiBrowser_h


#include <FL/Fl_Multi_Browser.H>
#include <FL/Fl_Button.H>

#include "evGUIObject.h"


#define EVGUIMULTIBROWSER_BUTTON_WIDTH 80
#define EVGUIMULTIBROWSER_BUTTON_HEIGHT 20


class evGUIMultiBrowser : public evGUIObject, public Fl_Group
{
public:
  evGUIMultiBrowser(const int x, const int y,
                    const int width, const int height,
                    const char *label);
  virtual ~evGUIMultiBrowser(void);
  
  virtual const evString GetClassName(void) const
  {
    return(evString("evGUIMultiBrowser"));
  }
  
  virtual void Clear(void);
  void AddLine(const char *line);
  unsigned int GetNumSelected(void) const;
  unsigned int *GetSelected(void) const;

protected:
  Fl_Multi_Browser *Browser;
  
private:
  Fl_Button *SelectAllButton;
  Fl_Button *ClearAllButton;

  static void SelectAll(Fl_Widget *widget, void *data);
  static void ClearAll(Fl_Widget *widget, void *data);

};


inline void evGUIMultiBrowser::Clear(void)
{
  this->Browser->clear();
}


inline void evGUIMultiBrowser::AddLine(const char *line)
{
  this->Browser->add(line);
}


inline unsigned int evGUIMultiBrowser::GetNumSelected(void) const
{
  unsigned int cnt = 0;

  for (unsigned int line = 1;
       line <= (unsigned int)this->Browser->size();
       line++)
    if (this->Browser->selected(line))
      cnt++;

  return(cnt);
}


inline unsigned int *evGUIMultiBrowser::GetSelected(void) const
{
  unsigned int *selected = new unsigned int[this->GetNumSelected()];

  unsigned int index = 0;
  for (unsigned int line = 1;
       line <= (unsigned int)this->Browser->size();
       line++)
    if (this->Browser->selected(line))
      selected[index++] = line - 1;

  return(selected);
}


#endif