keyboard.isup() | LuaRT free and open source Windows programming framework for Lua

keyboard.isup(key)

Checks if a key is up.

Parameters

key

A string or a number that represents the key to be checked for up position. See the list of supported key codes.

Return value

This function true if the key is up or false otherwise.

Example


local kb = require "keyboard"
local ui = require "ui"

local win = ui.Window("Press the SPACE key", 400, 280)
local lbl = ui.Label(win, "Press the SPACE key to hide this message !")
lbl:center()

ui.run(win)

async(function()
    while win.visible do
        sleep()
        lbl.visible = kb.isup("SPACE")
    end
end)

waitall()