LCDClient.h

#ifndef _LCD_CLIENT_H_
#define _LCD_CLIENT_H_

#include "LCDConnection.h"
#include "LCDElement.h"
#include "../keys/LCDCallback.h"

#include <pthread.h>
#include <string>


extern "C" void *mainRepliesLoop(void *);
extern "C" void *handleKeyEvent(void *);

struct KeyEventInfo
{
  KeyEvent kev;
  LCDCallback *callback;
};

class LCDClient : public LCDElement
{
 private:
  ::pthread_mutex_t _sendMutex;
  ::pthread_cond_t _gotAnswer;
  ::pthread_t _mainThread;
  LCDConnection _serverConnection;
  std::string _answer;
  std::string _currentScreen;
  std::string _connectionString;
  std::string _serverVersion;
  std::string _protocolVersion;
  int _width;
  int _height;
  int _charWidth;
  int _charHeight;
  CallbackMap _callbacks;
  void mainLoop();

 protected:
  void setClientOption(std::string optName, std::string value);

 public:
  friend void *mainRepliesLoop(void *param);
  LCDClient(const std::string &server, int port = 13666);

  ~LCDClient();

  void sendCommand(const std::string &cmd, const std::string &parameters = "");

  virtual void notifyCreated() {};
  virtual void notifyDestroyed() {};

  const std::string &getServerVersion() const {return _serverVersion;}

  const std::string &getProtocolVersion() const {return _protocolVersion;}

  int getWidth() const {return _width;}

  int getHeight() const {return _height;}

  int getCharWidth() const {return _charWidth;}

  int getCharHeight() const {return _charHeight;}

  void setName(std::string name);

  /*
   * \brief Enable or disable heart beat.
   *
   * Enable or disable the heart beat used by LCDproc to show data transmission.
   * This value will override the ones from screens.
   * @param heartbeat A string with the value to set. Constants \ref LCD_HEARTBEAT_ON, \ref LCD_HEARTBEAT_OFF and \ref LCD_HEARTBEAT_OPEN can be used.
   */
  // void setHeartBeat(std::string heartbeat);

  void setBackLight(std::string backlight);

  void assignKey(KeyEvent key, LCDCallback *callback);
};

#endif

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