Wallpapers rework is finished

Applications/Settings.app/Modules/1_Wallpaper/Main.lua

@@ -17,9 +17,10 @@ local function configure()
 	end
 
 	-- Add new controls if needed
-	if system.wallpaper and system.wallpaper.configure then
+	local wallpaper = system.getWallpaper()
+	if wallpaper.configure then
 		configureFrom = #window.contentLayout.children + 1
-		system.wallpaper.configure(window.contentLayout)
+		wallpaper.configure(window.contentLayout)
 		configureTo = #window.contentLayout.children
 	end
 end

Libraries/System.lua

@@ -35,9 +35,7 @@ local dockContainer
 local desktopMenu
 local desktopMenuLayout
 local desktopIconField
-local desktopBackground
-local desktopBackgroundWallpaperX
-local desktopBackgroundWallpaperY
+local wallpaper
 
 -- Caching commonly used icons
 local iconCache = {
@@ -485,7 +483,7 @@ function system.addSetAsWallpaperMenuItem(menu, path)
 			system.updateWallpaper()
 		end
 		
-		system.wallpaper.setPicture(path)
+		wallpaper.setPicture(path)
 
 		workspace:draw()
 		system.saveUserSettings()
@@ -2414,43 +2412,45 @@ function system.execute(path, ...)
 	return success, errorPath, line, traceback
 end
 
-local function desktopBackgroundAmbientDraw()
-	screen.drawRectangle(1, desktopBackground.y, desktopBackground.width, desktopBackground.height, 0x1E1E1E, 0, " ")
+local function wallpaperDraw()
+	screen.drawRectangle(1, wallpaper.y, wallpaper.width, wallpaper.height, 0x1E1E1E, 0, " ")
+end
+
+function system.getWallpaper()
+	return wallpaper
 end
 
 function system.updateWallpaper()
-	desktopBackground.draw = desktopBackgroundAmbientDraw
+	local function reset()
+		wallpaper.draw = wallpaperDraw
+		wallpaper.eventHandler = nil
+		wallpaper.configure = nil
+	end
+
+	local function alert(...)
+		GUI.alert(...)
+		reset()
+	end
+
 	interfaceDrawInterval = 1
+	reset()
 
 	if not userSettings.interfaceWallpaperPath then
 		return
 	end
 
-	local executable, reason = loadfile(userSettings.interfaceWallpaperPath .. "Main.lua")
-	if not executable then
-		GUI.alert(reason)
+	local result, reason = loadfile(userSettings.interfaceWallpaperPath .. "Main.lua")
+	if not result then
+		alert(reason)
 		return
 	end
 
-	local success, wallpaperOrError = xpcall(executable, debug.traceback)
-	if not success then
-		GUI.alert(wallpaperOrError)
+	result, reason = xpcall(result, debug.traceback, workspace, wallpaper)
+	if not result then
+		alert()
 		return
 	end
 
-	if type(wallpaperOrError) ~= "table" then
-		GUI.alert("Wallpaper script didn't return table")
-		return
-	elseif type(wallpaperOrError.draw) ~= "function" then
-		GUI.alert("Wallpaper does not contain proper draw function")
-		return
-	end
-
-	desktopBackground.draw = wallpaperOrError.draw
-	desktopBackground.eventHandler = wallpaperOrError.eventHandler
-	
-	system.wallpaper = wallpaperOrError
-
 	interfaceDrawInterval = 0.01
 end
 
@@ -2475,7 +2475,7 @@ function system.updateResolution()
 
 	desktopMenu.width = workspace.width
 	desktopMenuLayout.width = workspace.width
-	desktopBackground.localY, desktopBackground.width, desktopBackground.height = 2, workspace.width, workspace.height - 1
+	wallpaper.localY, wallpaper.width, wallpaper.height = 2, workspace.width, workspace.height - 1
 
 	desktopWindowsContainer.width, desktopWindowsContainer.height = workspace.width, workspace.height - 1
 
@@ -2963,11 +2963,12 @@ function system.updateWorkspace()
 	workspace.ignoresCapturedObject = true
 
 	-- Creating desktop background object
-	desktopBackground = workspace:addChild(GUI.object(1, 1, workspace.width, workspace.height))
-	desktopBackground.ignoresCapturedObject = true
+	wallpaper = workspace:addChild(GUI.object(1, 1, workspace.width, workspace.height))
+	-- wallpaper.ignoresCapturedObject = true
+	wallpaper.blockScreenEvents = false
 
-	local oldDraw = desktopBackground and desktopBackground.draw
-	desktopBackground.draw = oldDraw or desktopBackgroundAmbientDraw
+	local oldDraw = wallpaper and wallpaper.draw
+	wallpaper.draw = oldDraw or wallpaperDraw
 end
 
 function system.createUser(name, language, password, wallpaper)
@@ -3038,7 +3039,7 @@ function system.authorize()
 		local container = workspace:addChild(GUI.container(1, 1, workspace.width, workspace.height))
 
 		-- If we've loaded wallpaper(from user logout or above) then add a panel to make it darker
-		if desktopBackground.draw ~= desktopBackgroundAmbientDraw then
+		if wallpaper.draw ~= wallpaperDraw then
 			container:addChild(GUI.panel(1, 1, container.width, container.height, 0x0, 0.5))
 		end
 

Wallpapers/Lines.wlp/Main.lua

@@ -5,6 +5,8 @@ local GUI = require("GUI")
 
 --------------------------------------------------------------------------------
 
+local workspace, wallpaper = select(1, ...), select(2, ...)
+
 local configPath = filesystem.path(system.getCurrentScript()) .. "Config.cfg"
 
 local config = {
@@ -46,10 +48,7 @@ end
 
 reset(object)
 
---------------------------------------------------------------------------------
-
-return {
-	draw = function(object)
+wallpaper.draw = function(object)
 	screen.drawRectangle(object.x, object.y, object.width, object.height, config.backgroundColor, 0, " ")
 
 	local point1, point2
@@ -81,9 +80,9 @@ return {
 		if point1.x < 0 or point1.x >= object.width then point1.vx = -point1.vx end
 		if point1.y < 0 or point1.y >= object.height * 2 then point1.vy = -point1.vy end
 	end
-	end,
+end
 
-	configure = function(layout)
+wallpaper.configure = function(layout)
 	layout:addChild(GUI.colorSelector(1, 1, 36, 3, config.backgroundColor, "Background color")).onColorSelected = function(_, object)
 		config.backgroundColor = object.color
 		saveConfig()
@@ -117,4 +116,3 @@ return {
 		reset()
 	end
 end
-}

Wallpapers/Rain.wlp/Main.lua

@@ -6,6 +6,8 @@ local GUI = require("GUI")
 
 --------------------------------------------------------------------------------
 
+local workspace, wallpaper = select(1, ...), select(2, ...)
+
 local configPath = filesystem.path(system.getCurrentScript()) .. "Config.cfg"
 
 local config = {
@@ -30,8 +32,7 @@ end
 local drops = {}
 local lastUpdateTime = computer.uptime()
 
-return {
-	draw = function(wallpaper)
+wallpaper.draw = function(wallpaper)
 	-- Spawning drops
 	local distance
 
@@ -91,9 +92,9 @@ return {
 	end
 
 	lastUpdateTime = updateTime
-	end,
+end
 
-	configure = function(layout)
+wallpaper.configure = function(layout)
 	layout:addChild(GUI.colorSelector(1, 1, 36, 3, config.backgroundColor, "Background color")).onColorSelected = function(_, object)
 		config.backgroundColor = object.color
 		saveConfig()
@@ -147,4 +148,3 @@ return {
 		saveConfig()
 	end
 end
-}

Wallpapers/Snow.wlp/Main.lua

@@ -6,6 +6,8 @@ local GUI = require("GUI")
 
 --------------------------------------------------------------------------------
 
+local workspace, wallpaper = select(1, ...), select(2, ...)
+
 local configPath = filesystem.path(system.getCurrentScript()) .. "Config.cfg"
 
 local config = {
@@ -53,8 +55,7 @@ local wind = 0
 
 local lastUpdateTime = computer.uptime()
 
-return {
-	draw = function(wallpaper)
+wallpaper.draw = function(wallpaper)
 	-- Spawning snowflakes
 	local distance
 
@@ -160,9 +161,9 @@ return {
 	end
 
 	lastUpdateTime = currentTime
-	end,
+end
 
-	configure = function(layout)
+wallpaper.configure = function(layout)
 	layout:addChild(GUI.colorSelector(1, 1, 36, 3, config.backgroundColor, "Background color")).onColorSelected = function(_, object)
 		config.backgroundColor = object.color
 		saveConfig()
@@ -215,4 +216,3 @@ return {
 		saveConfig()
 	end
 end
-}

Wallpapers/Solid color.wlp/Main.lua

@@ -5,6 +5,8 @@ local GUI = require("GUI")
 
 --------------------------------------------------------------------------------
 
+local workspace, wallpaper = select(1, ...), select(2, ...)
+
 local configPath = filesystem.path(system.getCurrentScript()) .. "Config.cfg"
 
 local config = {
@@ -23,15 +25,13 @@ end
 
 --------------------------------------------------------------------------------
 
-return {
-    draw = function(object)
+wallpaper.draw = function(object)
     screen.drawRectangle(object.x, object.y, object.width, object.height, config.color, 0, ' ')
-    end,
+end
 
-    configure = function(layout)
+wallpaper.configure = function(layout)
     layout:addChild(GUI.colorSelector(1, 1, 36, 3, config.color, "Color")).onColorSelected = function(_, object)
         config.color = object.color
         saveConfig()
     end
 end
-}

Wallpapers/Stars.wlp/Main.lua

@@ -6,6 +6,8 @@ local color = require("Color")
 
 --------------------------------------------------------------------------------
 
+local workspace, wallpaper = select(1, ...), select(2, ...)
+
 local configPath = filesystem.path(system.getCurrentScript()) .. "Config.cfg"
 
 local config = {
@@ -72,10 +74,7 @@ end
 
 resetColors()
 
---------------------------------------------------------------------------------
-
-return {
-	draw = function(wallpaper)
+wallpaper.draw = function(wallpaper)
 	local hitsDeadline = computerUptime() >= deadline
 
 	-- Drawing background
@@ -160,9 +159,9 @@ return {
 	if hitsDeadline then
 		deadline = computerUptime() + 0.05
 	end
-	end,
+end
 
-	configure = function(layout)
+wallpaper.configure = function(layout)
 	layout:addChild(GUI.colorSelector(1, 1, 36, 3, config.backgroundColor, "Background color")).onColorSelected = function(_, object)
 		config.backgroundColor = object.color
 		resetColors()
@@ -238,4 +237,3 @@ return {
 		saveConfig()
 	end
 end
-}

Wallpapers/Static picture.wlp/Main.lua

@@ -6,6 +6,8 @@ local image = require("Image")
 
 --------------------------------------------------------------------------------
 
+local workspace, wallpaper = select(1, ...), select(2, ...)
+
 local configPath = filesystem.path(system.getCurrentScript()) .. "Config.cfg"
 
 local config = {
@@ -40,8 +42,7 @@ loadPicture()
 
 --------------------------------------------------------------------------------
 
-return {
-    draw = function(object)
+wallpaper.draw = function(object)
     if picture then
         screen.drawImage(object.x, object.y, picture)
     else
@@ -50,14 +51,13 @@ return {
         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,
+end
 
-    configure = function(layout)
+wallpaper.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,
+end
 
-    setPicture = setPicture
-}
+wallpaper.setPicture = setPicture