SerialIO.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef SERIALIO_H
#define SERIALIO_H
 
#include "pedigree/kernel/debugger/DebuggerIO.h"
#include "pedigree/kernel/processor/types.h"
 
class Serial;
 
class SerialIO : public DebuggerIO {
 public:
  SerialIO(Serial* pSerial);
  ~SerialIO();
 
  void setCliUpperLimit(size_t nlines);
  void setCliLowerLimit(size_t nlines);
 
  void enableCli();
  void disableCli();
 
  void cls();
  char getCharNonBlock();
 
  void readDimensions();
 
  void drawHorizontalLine(char c, size_t row, size_t colStart, size_t colEnd,
                          DebuggerIO::Colour foreColour, DebuggerIO::Colour backColour);
  void drawVerticalLine(char c, size_t col, size_t rowStart, size_t rowEnd,
                        DebuggerIO::Colour foreColour, DebuggerIO::Colour backColour);
 
  void drawString(const char* str, size_t row, size_t col, DebuggerIO::Colour foreColour,
                  DebuggerIO::Colour backColour);
 
  size_t getWidth() {
    return m_nWidth;
  }
  size_t getHeight() {
    return m_nHeight;
  }
 
  void enableRefreshes();
  void disableRefreshes();
  void forceRefresh();
 
  char getChar();
 
  void initialise();
  void destroy();
 
 protected:
  void scroll();
 
  void moveCursor();
 
  void putChar(char c, DebuggerIO::Colour foreColour, DebuggerIO::Colour backColour);
 
  void startColour(DebuggerIO::Colour foreColour, DebuggerIO::Colour backColour);
  void endColour();
 
  void readCursor();
  void setCursor();
  void saveCursor();
  void unsaveCursor();
 
  size_t m_UpperCliLimit;  
  size_t m_LowerCliLimit;  
 
  size_t m_nWidth;
  size_t m_nHeight;
 
  size_t m_nCursorX;
  size_t m_nCursorY;
  size_t m_nOldCursorX;
  size_t m_nOldCursorY;
 
  DebuggerIO::Colour m_ForeColour;
  DebuggerIO::Colour m_BackColour;
 
  Serial* m_pSerial;
 
  bool m_bCli;
 
 private:
  SerialIO(const SerialIO&);
  SerialIO& operator=(const SerialIO&);
};
 
#endif