Webview.goback() | LuaRT free and open source Windows programming framework for Lua

Webview:goback() method

Navigates to the previous web page.

Return value

This function returns no value.

Example


local ui = require "ui"
require "webview"

-- create a simple Webview 
local win = ui.Window("Webview:goback() sample", 640, 480)
local addressbar = ui.Entry(win, "", 24, 5, 592, 24)
local prevBtn = ui.Button(win, "\xe2\x87\xa6", 0, 3, 16, 16)
prevBtn.font="Lucida Console"
prevBtn.fontsize = 12
prevBtn.fontstyle = { bold = true }
local nextBtn = ui.Button(win, "\xe2\x87\xa8", 616, 3, 16, 16)
nextBtn.font="Lucida Console"
nextBtn.fontsize = 12
nextBtn.fontstyle = { bold = true }
local Webview = ui.Webview(win, "", 0, 30, 640, 430)

function prevBtn:onClick()
    if Webview.cangoback then
        Webview:goback()
    end
end

function nextBtn:onClick()
    if Webview.cangoforward then
        Webview:goforward()
    end
end

function addressbar:onSelect()
    Webview.url = addressbar.text
end

-- Set current window title with the page title, once loaded
function Webview:onLoaded()
    win.title = Webview.title
    addressbar.text = Webview.url
end

win:show()

-- update the user interface until the user closes the Webview
repeat
    ui.update()
until not win.visible