Edit.mousepos readonly property
Get the nearest character position from the current mouse screen coordinates, or 0 if the mouse cursor is outside the Edit widget.
Example
local ui = require "ui"
-- create a simple window
local win = ui.Window("Edit.line sample", "fixed", 520, 270)
local edit = ui.Edit(win, "", 10, 10, 500, 230)
-- set edit.properties
edit.font = "Times New Roman"
edit.fontsize = 12
edit.wordwrap = true
edit.text = [[Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.]]
win:status("Line position : "..edit.line)
win:show()
repeat
local line = edit.line
ui.update()
-- update current mouse character position
win:status("Line position : "..edit.line, "Mouse char position : "..edit.mousepos)
until not win.visible