Added Lua interpreter application

.gitignore

@@ -1,4 +1,4 @@
 .DS_Store
 Mounts/
 Temporary/
-Users/
+Users/

Applications/Finder.app/Main.lua

@@ -283,7 +283,7 @@ updateSidebar = function()
 	for proxy, path in filesystem.mounts() do
 		if not proxy.networkModem and not proxy.networkFTP then
 			if proxy ~= filesystem.getProxy() then
-				addSidebarItem(" " .. (proxy.getLabel() or filesystem.name(path)), path).onTouch = function()
+				addSidebarItem(" " .. (proxy.getLabel() or proxy.address), path).onTouch = function()
 					onFavouriteTouch(path)
 				end
 			end

Applications/Lua.app/Main.lua

@@ -1,40 +1,210 @@
 
 local GUI = require("GUI")
 local system = require("System")
+local screen = require("Screen")
+local text = require("Text")
 
 ---------------------------------------------------------------------------------
 
-local workspace, window, menu = system.addWindow(GUI.titledWindow(1, 1, 90, 25, "Terminal", true))
+local HISTORY_LIMIT = 100
 
+local workspace, window, menu = system.addWindow(GUI.filledWindow(1, 1, 90, 25, 0xE1E1E1))
 local localization = system.getCurrentScriptLocalization()
 
 local lines = {
-	{
-		text = (computer.getArchitecture and computer.getArchitecture() or "Lua 5.2") .. " Copyright (C) 1994-2019 Lua.org, PUC-Rio",
-		color = 0x969696,
-	}
+	{ text = (computer.getArchitecture and computer.getArchitecture() or "Lua 5.2") .. " Copyright (C) 1994-2019 Lua.org, PUC-Rio", color = 0x696969 },
+	{ text = "Type a statement and hit Enter to evaluate it", color = 0x969696 },
+	{ text = "Prefix an expression with \"=\" to show its value", color = 0x969696 },
+	"\t",
 }
 
-local textBox = window:addChild(GUI.textBox(2, 2, 1, 1, nil, 0x3C3C3C, lines, 1, 0, 0))
+local treePanel = window:addChild(GUI.panel(1, 1, 22, 3, 0x2D2D2D))
+local tree = window:addChild(GUI.tree(1, 4, treePanel.width, 1, 0x2D2D2D, 0xE1E1E1, 0x969696, 0x696969, 0xE1E1E1, 0x2D2D2D, 0x696969, 0x696969, 0x4B4B4B, 0x696969, GUI.IO_MODE_BOTH, GUI.IO_MODE_BOTH))
+
+local textBox = window:addChild(GUI.textBox(1, 2, 1, 1, nil, 0x3C3C3C, lines, 1, 0, 0, true))
 textBox.passScreenEvents = true
 
-local input = window:addChild(GUI.input(1, 1, 1, 3, 0xE1E1E1, 0x2D2D2D, 0x969696, 0xE1E1E1, 0x2D2D2D, "", "Type statement here"))
+local input = window:addChild(GUI.input(1, 1, 1, 3, 0xD2D2D2, 0x3C3C3C, 0x969696, 0xD2D2D2, 0x3C3C3C, "", "Type statement here"))
+local lastInput = input.text
 input.historyEnabled = true
-input.onInputFinished = function()
-	
 
-	input.text = ""
+-- input.textDrawMethod = function(x, y, color, text)
+-- 	if text == input.placeholderText then
+-- 		screen.drawText(x, y, color, text)
+-- 	else
+-- 		GUI.highlightString(x, y, input.width - 2, 1, 2, GUI.LUA_SYNTAX_PATTERNS, GUI.LUA_SYNTAX_COLOR_SCHEME, text)
+-- 	end
+-- end
+
+---------------------------------------------------------------------------------
+
+local function add(color, text)
+	if color then
+		table.insert(lines, {
+			text = text,
+			color = color,
+		})
+	else
+		table.insert(lines, text)
+	end
+
+	if #lines > HISTORY_LIMIT then
+		table.remove(lines, 1)
+	end
+end
+
+local function addMultiple(color, ...)
+	local args = {...}
+	for i = 1, #args do
+		if type(args[i]) == "table" then
+			args[i] = text.serialize(args[i], true, "  ", 3)
+		else
+			args[i] = tostring(args[i])
+		end
+	end
+
+	for part in table.concat(args, ", "):gmatch("[^\r\n]+") do
+		add(color, part)
+	end
+
+	textBox:scrollToEnd()
+end
+
+local function addPrint(...)
+	addMultiple(nil, ...)
+end
+
+local function addError(...)
+	addMultiple(0x880000, ...)
+end
+
+local sandbox = {}
+
+for key, value in pairs(_G) do
+	sandbox[key] = value
+end
+
+sandbox.print = function(...)
+	addPrint(...)
+	workspace:draw()
+end
+
+local function updateTree()
+	local function updateRecursively(t, definitionName, offset)
+		local list = {}
+		for key in pairs(t) do
+			table.insert(list, key)
+		end
+
+		local i, expandables = 1, {}
+		while i <= #list do
+			if type(t[list[i]]) == "table" then
+				table.insert(expandables, list[i])
+				table.remove(list, i)
+			else
+				i = i + 1
+			end
+		end
+
+		table.sort(expandables, function(a, b) return unicode.lower(tostring(a)) < unicode.lower(tostring(b)) end)
+		table.sort(list, function(a, b) return unicode.lower(tostring(a)) < unicode.lower(tostring(b)) end)
+
+		for i = 1, #expandables do
+			local definition = definitionName .. expandables[i] .. "."
+
+			tree:addItem(
+				tostring(expandables[i]),
+				definition,
+				offset,
+				true
+			)
+
+			if tree.expandedItems[definition] then
+				updateRecursively(t[expandables[i]], definition, offset + 2)
+			end
+		end
+
+		for i = 1, #list do
+			tree:addItem(
+				tostring(list[i]),
+				definitionName .. list[i] .. "()",
+				offset,
+				false
+			)
+		end
+	end
+
+	tree.items = {}
+	updateRecursively(sandbox, "", 1)
+end
+
+tree.onItemExpanded = function()
+	updateTree()
+end
+
+tree.onItemSelected = function()
+	input.text = lastInput .. tree.selectedItem
+	workspace:draw()
+end
+
+input.onKeyDown = function(workspace, input, e1, e2, e3, e4)
+	if e4 == 28 then
+		local text = input.text:match("^[%s%t]+(.)") or input.text	
+		input.text = ""
+		lastInput = ""
+
+		add(0x969696, "> " .. text)
+
+		local pizda = text:match("^=+(.+)")
+		if pizda then
+			text = "return " .. pizda
+		end
+
+		local result, reason = load(text, "=lua", "t", sandbox)
+		if result then
+			result = {xpcall(result, debug.traceback)}
+			
+			if result[1] then
+				if #result > 1 then
+					addPrint(table.unpack(result, 2))
+				end
+			else
+				addError(table.unpack(result, 2))
+			end
+		else
+			addError(reason)
+		end
+
+		workspace:draw()
+	else
+		lastInput = input.text
+	end
+end
+
+input.onInputFinished = function()	
+	
 end
 
 window.onResize = function(width, height)
-	window.backgroundPanel.width, window.backgroundPanel.height = width, height
-	textBox.width, textBox.height = width - 2, height - 4
-	input.localY, input.width = height - input.height + 1, width
+	window.backgroundPanel.localX = tree.width + 1
+	window.backgroundPanel.width = width - tree.width
+	window.backgroundPanel.height = height - 3
+
+	textBox.localX = window.backgroundPanel.localX + 1
+	textBox.width = window.backgroundPanel.width - 2
+	textBox.height = window.backgroundPanel.height - 2
+
+	tree.height = height - 3
+
+	input.localX = window.backgroundPanel.localX
+	input.localY = height - input.height + 1
+	input.width = window.backgroundPanel.width
 end
 
 
 ---------------------------------------------------------------------------------
 
+updateTree()
 window.actionButtons:moveToFront()
 window:resize(window.width, window.height)
 workspace:draw()

Libraries/Component.lua

@@ -13,3 +13,15 @@ end
 function component.isAvailable(type)
 	return component.list(type)() and true or false
 end
+
+-- Allows writing component.gpu.set(...) instead of component.get("gpu").set(...)
+setmetatable(component, {
+	__index = function(_, key)
+		local proxy, reason = component.get(key)
+		if proxy then
+			return proxy
+		else
+			error(reason)
+		end
+	end,
+})

Libraries/GUI.lua

@@ -58,8 +58,6 @@ local GUI = {
 	WINDOW_TAB_BAR_SELECTED_BACKGROUND_COLOR = 0xF0F0F0,
 	WINDOW_TAB_BAR_SELECTED_TEXT_COLOR = 0x2D2D2D,
 
-	PALETTE_CONFIG_PATH = paths.system.libraries .. ".palette.cfg",
-
 	LUA_SYNTAX_COLOR_SCHEME = {
 		background = 0x1E1E1E,
 		text = 0xE1E1E1,
@@ -2798,7 +2796,7 @@ local function inputStartInput(input)
 		input.text = ""
 	end
 	
-	input:setCursorPosition(unicode.len(input.text) + 1)
+	input:setCursorPosition(input.cursorPosition)
 
 	input.stopInputObject.width, input.stopInputObject.height = input.firstParent.width, input.firstParent.height
 	input.firstParent:addChild(input.stopInputObject)
@@ -2806,10 +2804,11 @@ local function inputStartInput(input)
 	inputCursorBlink(input.firstParent, input, true)
 end
 
-local function inputEventHandler(workspace, input, e1, e2, e3, e4, e5, e6)
+local function inputEventHandler(workspace, input, e1, e2, e3, e4, e5, e6, ...)
 	if e1 == "touch" or e1 == "drag" then
+		input:setCursorPosition(input.textCutFrom + e3 - input.x - input.textOffset)
+
 		if input.focused then
-			input:setCursorPosition(input.textCutFrom + e3 - input.x - input.textOffset)
 			inputCursorBlink(workspace, input, true)
 		else
 			input:startInput()
@@ -2833,6 +2832,11 @@ local function inputEventHandler(workspace, input, e1, e2, e3, e4, e5, e6)
 			end
 
 			inputStopInput(workspace, input)
+
+			if input.onKeyDown then
+				input.onKeyDown(workspace, input, e1, e2, e3, e4, e5, e6, ...)
+			end
+
 			return
 		-- Arrows up/down/left/right
 		elseif e4 == 200 then
@@ -2883,6 +2887,10 @@ local function inputEventHandler(workspace, input, e1, e2, e3, e4, e5, e6)
 			end
 		end
 
+		if input.onKeyDown then
+			input.onKeyDown(workspace, input, e1, e2, e3, e4, e5, e6, ...)
+		end
+
 		inputCursorBlink(workspace, input, true)
 	elseif e1 == "clipboard" and input.focused then
 		input.text = unicode.sub(input.text, 1, input.cursorPosition - 1) .. e3 .. unicode.sub(input.text, input.cursorPosition, -1)
@@ -3373,13 +3381,15 @@ function GUI.palette(x, y, startColor)
 		y = y + 2
 	end
 	
+	local paletteConfigPath = paths.user.applicationData .. "GUI/Palette.cfg"
+	
 	local favourites
-	if filesystem.exists(GUI.PALETTE_CONFIG_PATH) then
-		favourites = filesystem.readTable(GUI.PALETTE_CONFIG_PATH)
+	if filesystem.exists(paletteConfigPath) then
+		favourites = filesystem.readTable(paletteConfigPath)
 	else
 		favourites = {}
 		for i = 1, 6 do favourites[i] = color.HSBToInteger(math.random(0, 360), 1, 1) end
-		filesystem.writeTable(GUI.PALETTE_CONFIG_PATH, favourites)
+		filesystem.writeTable(paletteConfigPath, favourites)
 	end
 
 	local favouritesContainer = palette:addChild(GUI.container(58, 24, 12, 1))
@@ -3409,7 +3419,7 @@ function GUI.palette(x, y, startColor)
 				favouritesContainer.children[i].colors.pressed.background = 0x0
 			end
 			
-			filesystem.writeTable(GUI.PALETTE_CONFIG_PATH, favourites)
+			filesystem.writeTable(paletteConfigPath, favourites)
 
 			workspace:draw()
 		end

Libraries/Paths.lua

@@ -20,7 +20,6 @@ paths.system.applicationMineCodeIDE = paths.system.applications .. "MineCode IDE
 paths.system.applicationFinder = paths.system.applications .. "Finder.app/Main.lua"
 paths.system.applicationPictureEdit = paths.system.applications .. "Picture Edit.app/Main.lua"
 paths.system.applicationSettings = paths.system.applications .. "Settings.app/Main.lua"
-paths.system.applicationTerminal = paths.system.applications .. "Terminal.app/Main.lua"
 
 --------------------------------------------------------------------------------
 

Libraries/Text.lua

@@ -3,15 +3,16 @@ local text = {}
 
 --------------------------------------------------------------------------------
 
-function text.serialize(t, prettyLook, indentationWidth, indentUsingTabs, recursionStackLimit)
+function text.serialize(t, prettyLook, indentator, recursionStackLimit)
 	checkArg(1, t, "table")
 
 	recursionStackLimit = recursionStackLimit or math.huge
-	local indentationSymbolAdder = string.rep(indentUsingTabs and "	" or " ", indentationWidth or 2)
+	indentator = indentator or "  "
+	
 	local equalsSymbol = prettyLook and " = " or "="
 
 	local function serialize(t, currentIndentationSymbol, currentRecusrionStack)
-		local result, nextIndentationSymbol, keyType, valueType, stringValue = {"{"}, currentIndentationSymbol .. indentationSymbolAdder
+		local result, nextIndentationSymbol, keyType, valueType, stringValue = {"{"}, currentIndentationSymbol .. indentator
 		
 		if prettyLook then
 			table.insert(result, "\n")