File: menu_event.h

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/*                                                                  -*- c++ -*-
Copyright (C) 2004-2013 Christian Wieninger

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

The author can be reached at cwieninger@gmx.de

The project's page is at http://winni.vdr-developer.org/epgsearch
*/

#ifndef __EPGSEARCH_MENUEVENT_H
#define __EPGSEARCH_MENUEVENT_H

#include <list>

typedef enum
{
    SurfModeUnknown,
    SurfModeTime,
    SurfModeChannel
} MenuEventSurfMode;

class cEventObj
{
   const cEvent *event;
   bool selected;
  public:
   cEventObj(const cEvent* Event, bool Selected = false) : event(Event), selected(Selected) {}
   const cEvent* Event() { return event; }
   bool Selected() { return selected; }
   void Select(bool Selected) { selected = Selected; }
};

class cEventObjects
{
public:
	typedef std::list< cEventObj* > EventObjectList;
	typedef EventObjectList::size_type size_type;
	typedef EventObjectList::iterator iterator;
	typedef EventObjectList::const_iterator const_iterator;

	cEventObjects() {}
    ~cEventObjects()
       {
          for(EventObjectList::iterator i = m_list.begin(); i != m_list.end(); ++i)
             delete (*i);
       }

	size_type size() const { return m_list.size(); }

	iterator begin() { return m_list.begin(); }
	const_iterator begin() const { return m_list.begin(); }
	iterator end() { return m_list.end(); }
	const_iterator end() const { return m_list.end(); }

    void Add(const cEvent* Event) { m_list.push_back(new cEventObj(Event)); }
    void Clear() { m_list.clear(); }
    void SetCurrent(const cEvent* Event)
       {
          for(EventObjectList::iterator i = m_list.begin(); i != m_list.end(); ++i)
             (*i)->Select((*i)->Event() == Event);
       }
    cEventObj* GetCurrent()
       {
          for(EventObjectList::iterator i = m_list.begin(); i != m_list.end(); ++i)
             if ((*i)->Selected())
                return (*i);
          return NULL;
       }

private:
	EventObjectList m_list;
};

class cMenuEventSearch : public cOsdMenu {
protected:
  const cEvent *event;
  char* szGreen;
  char* szYellow;
  cEventObjects& eventObjects;
  MenuEventSurfMode surfMode;

  virtual void Set();
  cEventObj* GetPrev(const cEvent* Event);
  cEventObj* GetNext(const cEvent* Event);

  virtual void Display(void);
  virtual eOSState ProcessKey(eKeys Key);
  eOSState Commands(eKeys Key);
public:
  cMenuEventSearch(const cEvent* Event, cEventObjects& EventObjects, MenuEventSurfMode SurfMode = SurfModeUnknown);
  ~cMenuEventSearch();
#ifdef USE_GRAPHTFT
      const char* MenuKind() { return "MenuEvent"; }
#endif
};

class cMenuEventSearchSimple : public cMenuEventSearch {
private:
  virtual void Set();
public:
  cMenuEventSearchSimple(const cEvent* Event, cEventObjects& EventObjects);
};

#endif