MineOS/Wallpapers/Static picture.wlp/Main.lua

local system = require("System")
local filesystem = require("Filesystem")
local screen = require("Screen")
local GUI = require("GUI")
local image = require("Image")

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local configPath = filesystem.path(system.getCurrentScript()) .. "Config.cfg"

local config = {
    path = filesystem.path(system.getCurrentScript()) .. "Pictures/Girl.pic"
}

if filesystem.exists(configPath) then
    for key, value in pairs(filesystem.readTable(configPath)) do
        config[key] = value
    end
end

local function saveConfig()
    filesystem.writeTable(configPath, config)
end

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local picture, reason

local function loadPicture()
   picture, reason = image.load(config.path)
end

local function setPicture(path)
    config.path = path
    loadPicture()
    saveConfig()
end

loadPicture()

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return {
    draw = function(object)
        if picture then
            screen.drawImage(object.x, object.y, picture)
        else
            screen.drawRectangle(object.x, object.y, object.width, object.height, 0x161616, 0x000000, " ")

            local text = reason or "Unknown reason"
            screen.drawText(math.floor(object.x + object.width / 2 - unicode.len(text) / 2), math.floor(object.y + object.height / 2), 0x646464, text)
        end
    end,

    configure = function(layout)
        local chooser = layout:addChild(GUI.filesystemChooser(1, 1, 36, 3, 0xE1E1E1, 0x696969, 0xD2D2D2, 0xA5A5A5, config.path, "Open", "Cancel", "Wallpaper path", "/"))
        chooser:setMode(GUI.IO_MODE_OPEN, GUI.IO_MODE_FILE)
        chooser:addExtensionFilter(".pic")
        chooser.onSubmit = setPicture
    end,

    setPicture = setPicture
}