terminal.lua

• Index

Examples

• async.lua
• colors.lua
• copas.lua
• cow.lua
• headers.lua
• keymap.lua
• progress.lua
• prompt.lua
• readline_old.lua
• sequence.lua
• testscreen.lua

Modules

• terminal
• terminal.clear
• terminal.cursor
• terminal.cursor.position
• terminal.cursor.position.stack
• terminal.cursor.shape
• terminal.cursor.shape.stack
• terminal.cursor.visible
• terminal.cursor.visible.stack
• terminal.draw
• terminal.draw.line
• terminal.input
• terminal.input.keymap
• terminal.output
• terminal.progress
• terminal.scroll
• terminal.scroll.stack
• terminal.text
• terminal.text.color
• terminal.text.stack
• terminal.text.width
• terminal.utils

Classes

• Sequence
• Utf8edit
• cli.Prompt
• cli.Select

Topics

• 1. Introduction
• 2. Terminal handling
• CHANGELOG
• CONTRIBUTING
• MIT License

cow.lua

local terminal = require("terminal")
local position = require("terminal.cursor.position")
local Sequence = require("terminal.sequence")
local utils    = require("terminal.utils")

local keys = terminal.input.keymap.get_keys()
local keymap = terminal.input.keymap.get_keymap {
  ["j"] = keys.down,
  ["k"] = keys.up,
  ["h"] = keys.left,
  ["l"] = keys.right,
  ["ctrl_c"] = keys.escape
}

local background =
[[
╭--====-~~~~~~~~~~~~-=====--╮
|                           |
|   ---------------------   │
│  | ▚               🌙  |  |
|  |        /            |  |
|  |  _🌷_  __/  ___ _   |  │
|  _-___________________-_  |
| /---/--/-/-+-\-\--\--\--\ |
|/__/_/_/----+-----\__\____\|
╰--------~~~~~~~~~----------╯
]]
local character = "🐄" --
local xc, yc = 14, 5

terminal.initwrap(function()
  terminal.output.write("Use arrows to move the cow, Esc to exit\n")
  terminal.output.write(background)
  local top, bottom do
    local r, c = position.get()
    bottom = position.set_seq(r, c)
    top = position.set_seq(r - 10, 1)
  end

  terminal.cursor.visible.set(false)

  local renderer = Sequence(
    top,
    background,
    top,
    function()
      return position.move_seq(yc, xc)
    end,
    character,
    bottom
  )

  while true do
    terminal.output.write(renderer)
    local keyname = keymap[terminal.input.readansi(0.02)]
    if keyname == keys.up then
      yc = utils.resolve_index(yc - 1, 5, 4)

    elseif keyname == keys.down then
      yc = utils.resolve_index(yc + 1, 5, 4)

    elseif keyname == keys.left then
      xc = utils.resolve_index(xc - 1, 23, 5)

    elseif keyname == keys.right then
      xc = utils.resolve_index(xc + 1, 23, 5)

    elseif keyname == keys.escape then
      terminal.cursor.visible.set(true)
      print('Moo!')
      break
    end
  end
end)()