Edit.redo() | LuaRT free and open source Windows programming framework for Lua

Edit:redo() method

redoes the last edit operation on the Edit.

Return value

This function returns no value.

Example


local ui = require "ui"

-- create a fixed Window to hold the buttons
local win = ui.Window("Edit:redo() sample", "fixed", 290, 220)
local label = ui.Label(win, "Enter text : ")
local edit = ui.Edit(win, "", label.x + label.width + 8, label.y-4, 150)
local undobtn = ui.Button(win, "Undo", edit.x + edit.width + 8, edit.y)
local redobtn = ui.Button(win, "Redo", edit.x + edit.width + 8, undobtn.y+undobtn.height+4)

function undobtn:onClick()
    edit:undo()
end

function redobtn:onClick()
    edit:redo()
end

win:show()

-- update user interface
repeat
    ui.update()
    -- update undo/redo button state
    undobtn.enabled = edit.canundo and true or false
    redobtn.enabled= edit.canredo and true or false
until not win.visible