text.h

上一个上传的有问题,这个是好的。visopsys包括系统内核和GUI的全部SOURCE code ,还包括一些基本的docs文档。里面src子目录对应所有SOURCE code.对于想研究操作系统的朋

// 
//  Visopsys
//  Copyright (C) 1998-2007 J. Andrew McLaughlin
//  
//  This library is free software; you can redistribute it and/or modify it
//  under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation; either version 2.1 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 Lesser
//  General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with this library; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//  text.h
//

// This file contains definitions and structures for using and manipulating
// text in Visopsys.

#if !defined(_TEXT_H)

#include <sys/color.h>

// Definitions
#define TEXT_STREAMSIZE               32768
#define TEXT_DEFAULT_TAB              8
#define TEXT_DEFAULT_SCROLLBACKLINES  256

#define TEXT_DEFAULT_FOREGROUND       COLOR_LIGHTGRAY
#define TEXT_DEFAULT_BACKGROUND       COLOR_BLUE

// Flag values for the 'flags' field in the textAttrs structure
#define TEXT_ATTRS_NOFORMAT           0x10
#define TEXT_ATTRS_FOREGROUND         0x08
#define TEXT_ATTRS_BACKGROUND         0x04
#define TEXT_ATTRS_REVERSE            0x02
#define TEXT_ATTRS_BLINKING           0x01

typedef struct {
  int flags;
  color foreground;
  color background;

} textAttrs;

typedef struct {
  int column;
  int row;
  unsigned char *data;

} textScreen;

#define _TEXT_H
#endif