Panel:onKey()

Panel:onKey(key)event

This event is fired when a key was pressed on the Panel.

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


--! luart-extensions
import ui

-- create a fixed Panel
local win = ui.Window("Panel:onKey() event sample", "fixed", 320, 200)

-- create a Panel
local panel = ui.Panel(win, 0, 0, 100, 100)
panel:center()

function panel:onKey(key)
  win:status("Pressed Key on Panel : "..key)
end

await win:showasync()