Checkbox:onMouseDown(button, x, y) event


This event is fired when the user presses a mouse button while beeing over the Checkbox.

Parameters

button

A string indicating the button that has been pressed : "right", "middle" or "left".

x

The horizontal position of the mouse in the Checkbox area (zero means the left border of the widget).

y

The vertical position of the mouse in the Checkbox area (zero means the top border of the widget).

Return value

The event returns no value.

Example

local ui = require "ui" -- create a window local win = ui.Window("Checkbox:onMouseDown() sample", 420, 200) local check = ui.Checkbox(win, "Move the mouse over this Checkbox and press a mouse button!") check:center() -- set a onMouseDown() event : display a status bar with the pressed mouse button and its position function check:onMouseDown(b, x, y) win:status("Mouse button : "..b, "Mouse position : "..x..", "..y) end ui.run(win):wait()