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ww-ncurses

v1.0.6

Published

``` npm install ww-ncurses --save ``` ``` var ncurses = require('ww-ncurses'); ncurses.initsrc(); ``` ### API 基本使用方式同步于 ncurses 在 C/CPP 中的使用方式 #### 窗口相关 - initscr() 初始化窗口 - clear() 清屏 - col() 获取窗口「列数」 - row()

Downloads

11

Readme

让我们来愉快地在 NodeJS 中使用 C 库 「ncurses」 编写适合自己的 CLI 应用

npm install ww-ncurses --save
var ncurses = require('ww-ncurses');
ncurses.initsrc();

API 基本使用方式同步于 ncurses 在 C/CPP 中的使用方式

窗口相关

  • initscr() 初始化窗口
  • clear() 清屏
  • col() 获取窗口「列数」
  • row() 获取窗口「行数」
  • endwin() 结束窗口
  • refresh() 将缓冲区内字符显示到窗口上

win 类

var ncurses = require('ww-ncurses');
var { win } = ncurses;
var win1 = new win(options); // 实例化窗口
options
  • width=0 窗口宽度
  • height=0 窗口高度
  • x=0 窗口起始坐标 X
  • y=0 窗口起始坐标 Y
  • title=null 窗口标题
  • innerColor 窗口内部文字颜色
  • innerIndex 窗口内部文字选中索引
win 类方法
  • .inner(array) 填充窗口内选项
  • .Box() 窗口边框绘制
  • .draw() 窗口内容绘制
  • .selected(options) 窗口设置选中状态

线条相关

  • mvvLine(int, int, char, int); 画一条以 y,x 为起点的, 以某个字符为内容的, 指定长度的水平线条
ncurses.mvvline(0, 0, '*'.charCpdeAt(0),20);   // 在 0, 0 点画一条 **************** 水平线

输入相关

  • addch(char) 添加「单个」字符
ncurses.addch('*'.charCodeAt(0));
  • mvaddch(int,int,char) move & add
ncurses.addch(0,0'*'.charCodeAt(0));
  • getch() 获取用户输入
var cmd = ncurses.getch();
 <= 1
cmd === 1;
  • noecho() 隐藏用户输入的字符 // 使用场景:例如输入密码时不显示用户输入
  • cbreak() 禁止行缓冲(line buffering)// 如 处理挂起(CTRLZ)、中断或退出(CTRLC)等控制字符 交由程序处理而不产生终端信号
  • keypad() 使当前输入允许使用功能键/整合键 // 如 方向键上下左右,@#¥这些特殊字符 激活后,getch() 等函数会返回 ncurses 定义的特殊常量 具体可查看 demo 下两个小游戏,关于方向键是如何处理的

光标相关

  • hide_cur(int) 0 隐藏光标 1 显示光标
ncurses.hide_cur(1);

字体相关

  • A_NORMAL 常规
  • A_BOLD 加粗
  • A_UNDERLINE 下划线
用法:ncurses.mvaddch(10, 10,'*'.charCodeAt(0) | ncurses.A_UNDERLINE);

按键相关

  • KEY_DOWN
  • KEY_UP
  • KEY_LEFT
  • KEY_RIGHT

颜色相关

  • start_color() 开始上色
  • use_default_colors() 使用默认颜色
  • init_pair(int,A,B) 自定义颜色
int 自定义颜色下标 A ncurses 定义的内颜色常量  B ncurses 定义的外颜色常量   如:
ncurses.init_pair(1, ncurses.COLOR_RED, ncurses.COLOR_BLACK)
  • attron(int) 使用自定义颜色下标开始着色 如:定义了一个颜色的下标为 1 则 attron(1);
  • attroff(int) 停止某个下标颜色的着色

颜色常量
  • COLOR_BLACK
  • COLOR_RED
  • COLOR_GREEN
  • COLOR_YELLOW
  • COLOR_BLUE
  • COLOR_MAGENTA
  • COLOR_CYAN
  • COLOR_WHITE