1第一章：ncurses库简介.htm

curses界面编程

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<body lang=ZH-CN link=blue vlink=purple style='tab-interval:21.0pt;text-justify-trim:
punctuation'>

<div class=Section1 style='layout-grid:15.6pt'>

<h3><span style='font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:
Tahoma;mso-bidi-font-family:Tahoma'>第一章：</span><span lang=EN-US
style='font-family:Tahoma'>NCURSES</span><span style='font-family:宋体;
mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;mso-bidi-font-family:
Tahoma'>库简介</span><span style='font-size:15.0pt;mso-bidi-font-size:16.0pt;
line-height:173%;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:
Tahoma;mso-bidi-font-family:Tahoma;font-weight:normal'>（</span><span
lang=EN-US style='font-size:15.0pt;mso-bidi-font-size:12.0pt;line-height:173%;
font-family:Tahoma;font-weight:normal'>Introduction</span><span
style='font-size:15.0pt;mso-bidi-font-size:16.0pt;line-height:173%;font-family:
宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;mso-bidi-font-family:
Tahoma;font-weight:normal'>）</span><span lang=EN-US style='font-family:Tahoma;
mso-fareast-font-family:黑体'><o:p></o:p></span></h3>

<p class=MsoNormal style='layout-grid-mode:char'><b><span lang=EN-US
style='font-size:12.0pt;font-family:Tahoma'>1</span></b><b><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:
Tahoma;mso-bidi-font-family:Tahoma'>、介绍（</span></b><b><span lang=EN-US
style='font-size:12.0pt;font-family:Tahoma'>Introduction</span></b><b><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:
Tahoma;mso-bidi-font-family:Tahoma'>）</span></b><b><span lang=EN-US
style='font-size:12.0pt;font-family:Tahoma'><o:p></o:p></span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;layout-grid-mode:char'><span
style='font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma'>在电传打字机终端被广泛使用的那个年代，电传打字机终端是通过电缆和中央电脑相互连接的。通过向终端发送一系列特定的字符串，用户可以设置终端屏幕的显示情况。</span></p>

<p class=MsoNormal style='margin-right:1.25pt;mso-para-margin-right:.12gd;
text-indent:21.0pt'><span style='font-family:宋体;mso-ascii-font-family:Tahoma;
mso-hansi-font-family:Tahoma;mso-bidi-font-family:Tahoma'>。比如：移动光标到屏幕的任意位置，清除屏幕的任意一部分，滚动屏幕，切换模式，加入下划线，改变外观、颜色、亮度等等。这些控制功能的实现都是通过一种被叫做转义序列（</span><span
lang=EN-US style='font-family:Tahoma'>escape sequence</span><span
style='font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma'>）的连续序列字符所控制的。被叫做转义序列是因为这些连续字节的开头都是以一个“</span><span
lang=EN-US style='font-family:Tahoma'>0x1B</span><span style='font-family:宋体;
mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;mso-bidi-font-family:
Tahoma'>”字符（即</span><span lang=EN-US style='font-family:Tahoma'>ESC</span><span
style='font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma'>键所输入的字符）开始的。即使在现在，我们也可以通过向终端仿真程序输入转义序列得到与电传打字终端同样的显示结果。</span><span
lang=EN-US style='font-family:Tahoma'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-right:1.25pt;mso-para-margin-right:.12gd'><span
lang=EN-US style='font-family:Tahoma'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal style='margin-right:1.25pt;mso-para-margin-right:.12gd'><span
style='font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma'>假使你想在终端（或者终端仿真程序）屏幕输出一段背景是彩色的文字，试着将以下这段转义序列输入到你的控制台：</span><span
lang=EN-US style='font-family:Tahoma'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-top:0cm;margin-right:1.25pt;margin-bottom:
0cm;margin-left:10.5pt;margin-bottom:.0001pt;mso-para-margin-top:0cm;
mso-para-margin-right:.12gd;mso-para-margin-bottom:0cm;mso-para-margin-left:
1.0gd;mso-para-margin-bottom:.0001pt'><b><span lang=EN-US style='font-family:
Tahoma'>echo &quot;^[[0;31;40mIn Color&quot;<o:p></o:p></span></b></p>

<p class=MsoNormal style='margin-right:1.25pt;mso-para-margin-right:.12gd'><b><span
lang=EN-US style='font-family:Tahoma'><o:p>&nbsp;</o:p></span></b></p>

<p class=MsoNormal style='margin-right:1.25pt;mso-para-margin-right:.12gd'><span
style='font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma'>在这里</span><span lang=EN-US style='font-family: