Edit:hscroll()

Edit:hscroll(kind)method

Scrolls the Edit text horizontally.

Parameters

kind

A string value, representing the the kind of horizontal scrolling :

"left": scrolls the text to the upper left.
"reight": scrolls the text to the lower right.
"lineleft": scrolls the text left by one unit.
"lineright": scrolls the text right by one unit.
"pageleft": scrolls the text left by the width of the Edit.
"pagedown": scrolls the text right by the width of the Edit.

Return value

This function returns no value.

Example


--! luart-extensions
import ui

-- create a simple Window 
local win = ui.Window("Edit.scroll sample", "fixed", 640, 480)
local cb = ui.Combobox(win, {"Scroll to the left", "Scroll to the right", "Scroll one unit left", "Scroll one unit right", "Scroll one page left", "Scroll one page right"})
local edit = ui.Edit(win, "", 0, 0, 480, 480)
cb:center()
cb.width = 140
cb.x = math.floor(edit.width+(640-edit.width-cb.width)/2)
edit:load(arg[0])
edit.text = edit.text..edit.text

local values = {
    ["Scroll to the left"] = "left",
    ["Scroll to the right"] = "right",
    ["Scroll one unit left"] = "lineleft",
    ["Scroll one unit right"] = "lineright",
    ["Scroll one page left"] = "pageleft",
    ["Scroll one page right"] = "pageright"
}

function cb:onSelect()
    edit:hscroll(values[cb.text])
end

await win:showasync()