File content as of revision 2:5ac5bab7daaf:

/*
 * mbed LCDWindow library
* Copyright (c) 2010 Hendrik Lipka
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

#ifndef TERMINAL_H_
#define TERMINAL_H_

#include "window.h"

/**
 * A windows class which uses an internal buffer to provide automatic scrolling.
 * The buffer is initially filled with spaces.
*/
class Terminal: public Window
{
    public:
        /**
         * @param window the parent window
        */
        Terminal(Window* window);
        /**
         * works like the normal writeText method, 
         * but also stores the written text into the internal buffer (which makes it subject to scrolling)
        */
        virtual void writeText(const unsigned int column, const unsigned int row, const char text[]);
        /**
         * write the given text into the last line (at the first position)
         * @param text the text to write
        */
        virtual void addText(const char text[]);
        virtual int getColumns(){return _columns;};
        virtual int getRows(){return _rows;};
        virtual void clear();
        virtual void character(int column, int row, int c);

    private:
        Window* _window;
        char** _lineBuffer;
        unsigned int _columns;
        unsigned int _rows;
        char* createLine();
};

#endif