Window.onKey() | LuaRT free and open source Windows programming framework for Lua

Window:onKey(key) event

This event is fired when a key was pressed.

Parameters

key

A string that represent the key name.

Key names are defined by the following rules :

For digit keys 0..9, the name is the digit as a string : "0", "1" ...
For alphabetical keys A..Z, the name is the character as a string : "A", "B" ...
Any other key is represented by the Windows virtual key as a string : "VK_SPACE", "VK_RETURN", "VK_SHIFT"...
The full list of Windows virtual keys is available here

Return value

This event returns no value.

Example


local ui = require "ui"

-- create a window
local win = ui.Window("Window:onKey() sample", 320, 200)
ui.Entry(win, "", 100, 75, 100):center()

-- set a onKey() event : display a status bar with the pressed key
function win:onKey(key)
	win:status("Pressed Key : "..key)
end 

win:show() 

while win.visible do 
	ui.update()
end