partition manager + tab/wizard rework

sys/apps/Lua.lua

@@ -45,8 +45,9 @@ local page = UI.Page {
 	},
 	tabs = UI.Tabs {
 		y = 3,
-		[1] = UI.Tab {
-			tabTitle = 'Formatted',
+		formatted = UI.Tab {
+			title = 'Formatted',
+			index = 1,
 			grid = UI.ScrollingGrid {
 				columns = {
 					{ heading = 'Key',   key = 'name'  },
@@ -56,8 +57,9 @@ local page = UI.Page {
 				autospace = true,
 			},
 		},
-		[2] = UI.Tab {
-			tabTitle = 'Output',
+		output = UI.Tab {
+			title = 'Output',
+			index = 2,
 			backgroundColor = 'black',
 			output = UI.Embedded {
 				y = 2,
@@ -72,8 +74,8 @@ local page = UI.Page {
 	},
 }
 
-page.grid = page.tabs[1].grid
-page.output = page.tabs[2].output
+page.grid = page.tabs.formatted.grid
+page.output = page.tabs.output.output
 
 function page:setPrompt(value, focus)
 	self.prompt:setValue(value)
@@ -142,7 +144,7 @@ function page:eventHandler(event)
 		self:setFocus(self.prompt)
 
 	elseif event.type == 'show_output' then
-		self.tabs:selectTab(self.tabs[2])
+		self.tabs:selectTab(self.tabs.output)
 
 	elseif event.type == 'autocomplete' then
 		local value = self.prompt.value or ''

sys/apps/Overview.lua

@@ -29,12 +29,14 @@ if not _ENV.multishell then
 end
 
 local REGISTRY_DIR = 'usr/.registry'
-local DEFAULT_ICON = NFT.parse("\0308\0317\153\153\153\153\153\
-\0307\0318\153\153\153\153\153\
-\0308\0317\153\153\153\153\153")
-local TRANS_ICON = NFT.parse("\0302\0312\32\32\32\32\32\
+
+-- icon:gsub('.', function(b) return '\\' .. b:byte() end)
+local DEFAULT_ICON = NFT.parse('\30\55\31\48\136\140\140\140\132\
+\30\48\31\55\149\31\48\128\128\128\30\55\149\
+\30\55\31\48\138\143\143\143\133')
+local TRANS_ICON = NFT.parse('\0302\0312\32\32\32\32\32\
 \0302\0312\32\32\32\32\32\
-\0302\0312\32\32\32\32\32")
+\0302\0312\32\32\32\32\32')
 
 -- overview
 local uid = _ENV.multishell.getCurrent()

sys/apps/Partition.lua

@@ -0,0 +1,238 @@
+local Ansi   = require('opus.ansi')
+local Event  = require('opus.event')
+local UI     = require('opus.ui')
+local Util   = require('opus.util')
+
+local fs         = _G.fs
+local peripheral = _G.peripheral
+
+local source, target
+
+local function getDriveInfo(tgt)
+	local total = 0
+	local throttle = Util.throttle()
+
+	tgt = fs.combine(tgt, '')
+	local src = fs.getNode(tgt).source or tgt
+
+	local function recurse(path)
+		throttle()
+		if fs.isDir(path) then
+			if path ~= src then
+				total = total + 500
+			end
+			for _, v in pairs(fs.native.list(path)) do
+				recurse(fs.combine(path, v))
+			end
+		else
+			local sz = fs.getSize(path)
+			total = total + math.max(500, sz)
+		end
+	end
+
+	recurse(src)
+
+	local drive = fs.getDrive(src)
+	return {
+		path  = tgt,
+		drive  = drive,
+		type  = peripheral.getType(drive) or drive,
+		used  = total,
+		free  = fs.getFreeSpace(src),
+		mountPoint = src,
+	}
+end
+
+local function getDrives(exclude)
+	local drives = { }
+
+	for _, path in pairs(fs.native.list('/')) do
+		local side = fs.getDrive(path)
+		if side and not drives[side] and not fs.isReadOnly(path) and side ~= exclude then
+			if side == 'hdd' then
+				path = ''
+			end
+			drives[side] = getDriveInfo(path)
+		end
+	end
+	return drives
+end
+
+local page = UI.Page {
+	wizard = UI.Wizard {
+		ey = -2,
+		partitions = UI.WizardPage {
+			index = 1,
+			info = UI.TextArea {
+				x = 3, y = 2, ex = -3, ey = 5,
+				value = [[Move the contents of a directory to another disk. A link will be created to point to that location.]]
+			},
+			grid = UI.Grid {
+				x = 2, y = 7, ex = -2, ey = -2,
+				columns = {
+					{ heading = 'Path', key = 'path', textColor = 'yellow', width = 10 },
+					{ heading = 'Mount Point',  key = 'mountPoint' },
+					{ heading = 'Used',  key = 'used', width = 6 },
+				},
+				sortColumn = 'path',
+				getDisplayValues = function (_, row)
+					row = Util.shallowCopy(row)
+					row.used = Util.toBytes(row.used)
+					return row
+				end,
+				enable = function(self)
+					Event.onTimeout(0, function()
+						local mounts = {
+							usr = getDriveInfo('usr/config'),
+							packages = getDriveInfo('packages'),
+						}
+						self:setValues(mounts)
+						self:draw()
+						self:sync()
+					end)
+					self:setValues({ })
+					UI.Grid.enable(self)
+				end,
+			},
+			validate = function(self)
+				target = self.grid:getSelected()
+				return not not target
+			end,
+		},
+		mounts = UI.WizardPage {
+			index = 2,
+			info = UI.TextArea {
+				x = 3, y = 2, ex = -3, ey = 5,
+				value = [[Select the target disk. Labeled computers can be inserted into disk drives for larger volumes.]]
+			},
+			grid = UI.Grid {
+				x = 2, y = 7, ex = -2, ey = -2,
+				columns = {
+					{ heading = 'Path', key = 'path', textColor = 'yellow', width = 10 },
+					{ heading = 'Type', key = 'type' },
+					{ heading = 'Side',  key = 'drive' },
+					{ heading = 'Free',  key = 'free', width = 6 },
+				},
+				sortColumn = 'path',
+				getDisplayValues = function (_, row)
+					row = Util.shallowCopy(row)
+					row.free = Util.toBytes(row.free)
+					return row
+				end,
+				getRowTextColor = function(self, row)
+					if row.free < target.used then
+						return 'lightGray'
+					end
+					return UI.Grid.getRowTextColor(self, row)
+				end,
+				enable = function(self)
+					Event.on({ 'disk', 'disk_eject', 'partition_update' }, function()
+						self:setValues(getDrives(target.drive))
+						self:draw()
+						self:sync()
+					end)
+					os.queueEvent('partition_update')
+					self:setValues({ })
+					UI.Grid.enable(self)
+				end,
+			},
+			validate = function(self)
+				source = self.grid:getSelected()
+				if not source then
+					self:emit({ type = 'notify', message = 'No drive selected' })
+				elseif source.free < target.used then
+					self:emit({ type = 'notify', message = 'Insufficient disk space' })
+				else
+					return true
+				end
+			end,
+		},
+		confirm = UI.WizardPage {
+			index = 3,
+			info = UI.TextArea {
+				x = 2, y = 2, ex = -2, ey = -2,
+				marginTop = 1, marginLeft = 1,
+				backgroundColor = 'black',
+			},
+			enable = function(self)
+				local fstab = Util.readFile('usr/etc/fstab')
+				local lines = { }
+				table.insert(lines, string.format('%sReview changes%s\n', Ansi.yellow, Ansi.reset))
+				if fstab then
+					for _,l in ipairs(Util.split(fstab)) do
+						l = Util.trim(l)
+						if #l > 0 and l:sub(1, 1) ~= '#' then
+							local m = Util.matches(l)
+							if m and m[1] and m[1] == target.path then
+								table.insert(lines, string.format('Removed from usr/etc/fstab:\n%s%s%s\n', Ansi.red, l, Ansi.reset))
+							end
+						end
+					end
+				end
+				local t = target.path
+				local s = fs.combine(source.path .. '/' .. target.path, '')
+				if t ~= s then
+					table.insert(lines, string.format('Added to usr/etc/fstab:\n%s%s linkfs %s%s\n', Ansi.green, t, s, Ansi.reset))
+				end
+
+				table.insert(lines, string.format('Move directory:\n%s/%s -> /%s', Ansi.green, target.mountPoint, s))
+
+				self.info:setText(table.concat(lines, '\n'))
+				UI.WizardPage.enable(self)
+			end,
+			validate = function(self)
+				if self.changesApplied then
+					return true
+				end
+				local fstab = Util.readFile('usr/etc/fstab')
+				local lines = { }
+				if fstab then
+					for _,l in ipairs(Util.split(fstab)) do
+						table.insert(lines, l)
+						l = Util.trim(l)
+						if #l > 0 and l:sub(1, 1) ~= '#' then
+							local m = Util.matches(l)
+							if m and m[1] and m[1] == target.path then
+								fs.unmount(m[1])
+								table.remove(lines)
+							end
+						end
+					end
+				end
+
+				local t = target.path
+				local s = fs.combine(source.path .. '/' .. target.path, '')
+
+				fs.move('/' .. target.mountPoint, '/' .. s)
+
+				if t ~= s then
+					table.insert(lines, string.format('%s linkfs %s', t, s))
+					fs.mount(t, 'linkfs', s)
+				end
+
+				Util.writeFile('usr/etc/fstab', table.concat(lines, '\n'))
+
+				self.parent.nextButton.text = 'Exit'
+				self.parent.cancelButton:disable()
+				self.parent.previousButton:disable()
+
+				self.changesApplied = true
+				self.info:setValue('Changes have been applied')
+				self.parent:draw()
+			end,
+		},
+	},
+	notification = UI.Notification { },
+	eventHandler = function(self, event)
+		if event.type == 'notify' then
+			self.notification:error(event.message)
+		elseif event.type == 'accept' or event.type == 'cancel' then
+			UI:quit()
+		end
+		return UI.Page.eventHandler(self, event)
+	end,
+}
+
+UI:disableEffects()
+UI:setPage(page)
+UI:start()

sys/apps/Sniff.lua

@@ -46,7 +46,7 @@ local page = UI.Page {
 		configTabs = UI.Tabs {
 			y = 2,
 			filterTab = UI.Tab {
-				tabTitle = 'Filter',
+				title = 'Filter',
 				noFill = true,
 				filterGridText = UI.Text {
 					x = 2, y = 2,
@@ -93,7 +93,7 @@ local page = UI.Page {
 				},
 			},
 			modemTab = UI.Tab {
-				tabTitle = 'Modem',
+				title = 'Modem',
 				channelGrid = UI.ScrollingGrid {
 					x = 2, y = 2,
 					width = 12, height = 5,

sys/apps/System.lua

@@ -6,62 +6,6 @@ local shell  = _ENV.shell
 
 UI:configure('System', ...)
 
-local systemPage = UI.Page {
-	tabs = UI.Tabs {
-		settings = UI.Tab {
-			tabTitle = 'Category',
-			grid = UI.ScrollingGrid {
-				x = 2, y = 2, ex = -2, ey = -2,
-				columns = {
-					{ heading = 'Name',        key = 'name'        },
-					{ heading = 'Description', key = 'description' },
-				},
-				sortColumn = 'name',
-				autospace = true,
-			},
-		},
-	},
-	notification = UI.Notification(),
-	accelerators = {
-		[ 'control-q' ] = 'quit',
-	},
-}
-
-function systemPage.tabs.settings:eventHandler(event)
-	if event.type == 'grid_select' then
-		local tab = event.selected.tab
-		if not systemPage.tabs[tab.tabTitle] then
-			systemPage.tabs:add({ [ tab.tabTitle ] = tab })
-			tab:disable()
-		end
-		systemPage.tabs:selectTab(tab)
-		--self.parent:draw()
-		return true
-	end
-end
-
-function systemPage:eventHandler(event)
-	if event.type == 'quit' then
-		UI:quit()
-
-	elseif event.type == 'success_message' then
-		self.notification:success(event.message)
-
-	elseif event.type == 'info_message' then
-		self.notification:info(event.message)
-
-	elseif event.type == 'error_message' then
-		self.notification:error(event.message)
-
-	elseif event.type == 'tab_activate' then
-		event.activated:focusFirst()
-
-	else
-		return UI.Page.eventHandler(self, event)
-	end
-	return true
-end
-
 local function loadDirectory(dir)
 	local plugins = { }
 	for _, file in pairs(fs.list(dir)) do
@@ -70,7 +14,7 @@ local function loadDirectory(dir)
 			_G.printError('Error loading: ' .. file)
 			error(m or 'Unknown error')
 		elseif s and m then
-			table.insert(plugins, { tab = m, name = m.tabTitle, description = m.description })
+			table.insert(plugins, { tab = m, name = m.title, description = m.description })
 		end
 	end
 	return plugins
@@ -79,7 +23,60 @@ end
 local programDir = fs.getDir(shell.getRunningProgram())
 local plugins = loadDirectory(fs.combine(programDir, 'system'), { })
 
-systemPage.tabs.settings.grid:setValues(plugins)
+local page = UI.Page {
+	tabs = UI.Tabs {
+		settings = UI.Tab {
+			title = 'Category',
+			grid = UI.ScrollingGrid {
+				x = 2, y = 2, ex = -2, ey = -2,
+				columns = {
+					{ heading = 'Name',        key = 'name'        },
+					{ heading = 'Description', key = 'description' },
+				},
+				sortColumn = 'name',
+				autospace = true,
+				values = plugins,
+			},
+			accelerators = {
+				grid_select = 'category_select',
+			}
+		},
+	},
+	notification = UI.Notification(),
+	accelerators = {
+		[ 'control-q' ] = 'quit',
+	},
+	eventHandler = function(self, event)
+		if event.type == 'quit' then
+			UI:quit()
 
-UI:setPage(systemPage)
+		elseif event.type == 'category_select' then
+			local tab = event.selected.tab
+
+			if not self.tabs[tab.title] then
+				self.tabs:add({ [ tab.title ] = tab })
+			end
+			self.tabs:selectTab(tab)
+			return true
+
+		elseif event.type == 'success_message' then
+			self.notification:success(event.message)
+
+		elseif event.type == 'info_message' then
+			self.notification:info(event.message)
+
+		elseif event.type == 'error_message' then
+			self.notification:error(event.message)
+
+		elseif event.type == 'tab_activate' then
+			event.activated:focusFirst()
+
+		else
+			return UI.Page.eventHandler(self, event)
+		end
+		return true
+	end,
+}
+
+UI:setPage(page)
 UI:start()

sys/apps/Welcome.lua

@@ -33,87 +33,85 @@ https://github.com/kepler155c/opus]]
 local page = UI.Page {
 	wizard = UI.Wizard {
 		ey = -2,
-		pages = {
-			splash = UI.WizardPage {
-				index = 1,
-				intro = UI.TextArea {
-					textColor = colors.yellow,
-					inactive = true,
-					x = 3, ex = -3, y = 2, ey = -2,
-					value = string.format(splashIntro, Ansi.white),
-				},
+		splash = UI.WizardPage {
+			index = 1,
+			intro = UI.TextArea {
+				textColor = colors.yellow,
+				inactive = true,
+				x = 3, ex = -3, y = 2, ey = -2,
+				value = string.format(splashIntro, Ansi.white),
 			},
-			label = UI.WizardPage {
-				index = 2,
-				labelText = UI.Text {
-					x = 3, y = 2,
-					value = 'Label'
-				},
-				label = UI.TextEntry {
-					x = 9, y = 2, ex = -3,
-					limit = 32,
-					value = os.getComputerLabel(),
-				},
-				intro = UI.TextArea {
-					textColor = colors.yellow,
-					inactive = true,
-					x = 3, ex = -3, y = 4, ey = -3,
-					value = string.format(labelIntro, Ansi.white),
-				},
-				validate = function (self)
-					if self.label.value then
-						os.setComputerLabel(self.label.value)
-					end
-					return true
-				end,
+		},
+		label = UI.WizardPage {
+			index = 2,
+			labelText = UI.Text {
+				x = 3, y = 2,
+				value = 'Label'
 			},
-			password = UI.WizardPage {
-				index = 3,
-				passwordLabel = UI.Text {
-					x = 3, y = 2,
-					value = 'Password'
-				},
-				newPass = UI.TextEntry {
-					x = 12, ex = -3, y = 2,
-					limit = 32,
-					mask = true,
-					shadowText = 'password',
-				},
-				intro = UI.TextArea {
-					textColor = colors.yellow,
-					inactive = true,
-					x = 3, ex = -3, y = 5, ey = -3,
-					value = string.format(passwordIntro, Ansi.white),
-				},
-				validate = function (self)
-					if type(self.newPass.value) == "string" and #self.newPass.value > 0 then
-						Security.updatePassword(SHA.compute(self.newPass.value))
-					end
-					return true
-				end,
+			label = UI.TextEntry {
+				x = 9, y = 2, ex = -3,
+				limit = 32,
+				value = os.getComputerLabel(),
 			},
-			packages = UI.WizardPage {
-				index = 4,
-				button = UI.Button {
-					x = 3, y = -3,
-					text = 'Open Package Manager',
-					event = 'packages',
-				},
-				intro = UI.TextArea {
-					textColor = colors.yellow,
-					inactive = true,
-					x = 3, ex = -3, y = 2, ey = -4,
-					value = string.format(packagesIntro, Ansi.white),
-				},
+			intro = UI.TextArea {
+				textColor = colors.yellow,
+				inactive = true,
+				x = 3, ex = -3, y = 4, ey = -3,
+				value = string.format(labelIntro, Ansi.white),
 			},
-			contributors = UI.WizardPage {
-				index = 5,
-				intro = UI.TextArea {
-					textColor = colors.yellow,
-					inactive = true,
-					x = 3, ex = -3, y = 2, ey = -2,
-					value = string.format(contributorsIntro, Ansi.white, Ansi.yellow, Ansi.white),
-				},
+			validate = function (self)
+				if self.label.value then
+					os.setComputerLabel(self.label.value)
+				end
+				return true
+			end,
+		},
+		password = UI.WizardPage {
+			index = 3,
+			passwordLabel = UI.Text {
+				x = 3, y = 2,
+				value = 'Password'
+			},
+			newPass = UI.TextEntry {
+				x = 12, ex = -3, y = 2,
+				limit = 32,
+				mask = true,
+				shadowText = 'password',
+			},
+			intro = UI.TextArea {
+				textColor = colors.yellow,
+				inactive = true,
+				x = 3, ex = -3, y = 5, ey = -3,
+				value = string.format(passwordIntro, Ansi.white),
+			},
+			validate = function (self)
+				if type(self.newPass.value) == "string" and #self.newPass.value > 0 then
+					Security.updatePassword(SHA.compute(self.newPass.value))
+				end
+				return true
+			end,
+		},
+		packages = UI.WizardPage {
+			index = 4,
+			button = UI.Button {
+				x = 3, y = -3,
+				text = 'Open Package Manager',
+				event = 'packages',
+			},
+			intro = UI.TextArea {
+				textColor = colors.yellow,
+				inactive = true,
+				x = 3, ex = -3, y = 2, ey = -4,
+				value = string.format(packagesIntro, Ansi.white),
+			},
+		},
+		contributors = UI.WizardPage {
+			index = 5,
+			intro = UI.TextArea {
+				textColor = colors.yellow,
+				inactive = true,
+				x = 3, ex = -3, y = 2, ey = -2,
+				value = string.format(contributorsIntro, Ansi.white, Ansi.yellow, Ansi.white),
 			},
 		},
 	},

sys/apps/inspect.lua

@@ -49,7 +49,7 @@ page = UI.Page {
 		backgroundColor = colors.red,
 		y = '50%',
 		properties = UI.Tab {
-			tabTitle = 'Properties',
+			title = 'Properties',
 			grid = UI.ScrollingGrid {
 				headerBackgroundColor = colors.red,
 				sortColumn = 'key',
@@ -64,7 +64,7 @@ page = UI.Page {
 		},
 		methodsTab = UI.Tab {
 			index = 2,
-			tabTitle = 'Methods',
+			title = 'Methods',
 			grid = UI.ScrollingGrid {
 				ex = '50%',
 				headerBackgroundColor = colors.red,
@@ -85,7 +85,7 @@ page = UI.Page {
 		},
 		events = UI.Tab {
 			index = 1,
-			tabTitle = 'Events',
+			title = 'Events',
 			UI.MenuBar {
 				y = -1,
 				backgroundColor = colors.red,

sys/apps/system/aliases.lua

@@ -4,7 +4,7 @@ local UI     = require('opus.ui')
 local kernel = _G.kernel
 
 local aliasTab = UI.Tab {
-	tabTitle = 'Aliases',
+	title = 'Aliases',
 	description = 'Shell aliases',
 	alias = UI.TextEntry {
 		x = 2, y = 2, ex = -2,

sys/apps/system/alternate.lua

@@ -3,7 +3,7 @@ local Config = require('opus.config')
 local UI     = require('opus.ui')
 
 local tab = UI.Tab {
-	tabTitle = 'Preferred',
+	title = 'Preferred',
 	description = 'Select preferred applications',
 	apps = UI.ScrollingGrid {
 		x = 2, y = 2,

sys/apps/system/cloud.lua

@@ -6,7 +6,7 @@ if _G.http.websocket then
 	local config = Config.load('cloud')
 
 	local tab = UI.Tab {
-		tabTitle = 'Cloud',
+		title = 'Cloud',
 		description = 'Cloud Catcher options',
 		[1] = UI.Window {
 			x = 2, y = 2, ex = -2, ey = 4,

sys/apps/system/diskusage.lua

@@ -16,7 +16,7 @@ local NftImages = {
 }
 
 local tab = UI.Tab {
-	tabTitle = 'Disks Usage',
+	title = 'Disks Usage',
 	description = 'Visualise HDD and disks usage',
 
 	drives = UI.ScrollingGrid {
@@ -138,11 +138,9 @@ function tab:enable()
 	UI.Tab.enable(self)
 	self.handler = Event.on({ 'disk', 'disk_eject' }, function()
 		os.sleep(1)
-		if tab.enabled then
-			tab:updateDrives()
-			tab:updateInfo()
-			tab:sync()
-		end
+		tab:updateDrives()
+		tab:updateInfo()
+		tab:sync()
 	end)
 end
 

sys/apps/system/kiosk.lua

@@ -5,7 +5,7 @@ local peripheral = _G.peripheral
 local settings   = _G.settings
 
 return peripheral.find('monitor') and UI.Tab {
-	tabTitle = 'Kiosk',
+	title = 'Kiosk',
 	description = 'Kiosk options',
 	form = UI.Form {
 		x = 2, y = 2, ex = -2, ey = 5,

sys/apps/system/label.lua

@@ -5,7 +5,7 @@ local fs   = _G.fs
 local os   = _G.os
 
 return UI.Tab {
-	tabTitle = 'Label',
+	title = 'Label',
 	description = 'Set the computer label',
 	labelText = UI.Text {
 		x = 3, y = 3,

sys/apps/system/launcher.lua

@@ -7,7 +7,7 @@ local fs     = _G.fs
 local config = Config.load('multishell')
 
 local tab = UI.Tab {
-	tabTitle = 'Launcher',
+	title = 'Launcher',
 	description = 'Set the application launcher',
 	[1] = UI.Window {
 		x = 2, y = 2, ex = -2, ey = 5,

sys/apps/system/network.lua

@@ -6,7 +6,7 @@ local colors = _G.colors
 local device = _G.device
 
 return UI.Tab {
-	tabTitle = 'Network',
+	title = 'Network',
 	description = 'Networking options',
 	info = UI.TextArea {
 		x = 2, y = 5, ex = -2, ey = -2,

sys/apps/system/password.lua

@@ -3,7 +3,7 @@ local SHA      = require('opus.crypto.sha2')
 local UI       = require('opus.ui')
 
 return UI.Tab {
-	tabTitle = 'Password',
+	title = 'Password',
 	description = 'Wireless network password',
 	[1] = UI.Window {
 		x = 2, y = 2, ex = -2, ey = 4,

sys/apps/system/path.lua

@@ -3,7 +3,7 @@ local UI     = require('opus.ui')
 local Util   = require('opus.util')
 
 local tab = UI.Tab {
-	tabTitle = 'Path',
+	title = 'Path',
 	description = 'Set the shell path',
 	tabClose = true,
 	[1] = UI.Window {

sys/apps/system/requires.lua

@@ -3,7 +3,7 @@ local UI     = require('opus.ui')
 local Util   = require('opus.util')
 
 local tab = UI.Tab {
-	tabTitle = 'Requires',
+	title = 'Requires',
 	description = 'Require path',
 	tabClose = true,
 	entry = UI.TextEntry {

sys/apps/system/settings.lua

@@ -8,7 +8,7 @@ local transform = {
 }
 
 return settings and UI.Tab {
-	tabTitle = 'Settings',
+	title = 'Settings',
 	description = 'Computercraft settings',
 	grid = UI.Grid {
 		x = 2, y = 2, ex = -2, ey = -2,

sys/apps/system/shell.lua

@@ -39,7 +39,7 @@ if not _colors.backgroundColor then
 end
 
 return UI.Tab {
-	tabTitle = 'Shell',
+	title = 'Shell',
 	description = 'Shell options',
 	grid1 = UI.ScrollingGrid {
 		y = 2, ey = -10, x = 2, ex = -17,

sys/apps/system/theme.lua

@@ -17,7 +17,7 @@ for k,v in pairs(UI.colors) do
 end
 
 return UI.Tab {
-	tabTitle = 'Theme',
+	title = 'Theme',
 	description = 'Theme colors',
 	grid1 = UI.ScrollingGrid {
 		y = 2, ey = -10, x = 2, ex = -17,

sys/etc/apps.db

@@ -136,4 +136,10 @@
 		iconExt = "\030 \031 \128\0307\143\131\131\131\131\143\030 \128\010\0307\031 \129\0317\128\0319\136\0309\031b\136\132\0307\0319\132\0317\128\031 \130\010\030 \0317\130\143\0307\128\128\128\128\030 \143\129",
 		run = "/rom/programs/fun/dj",
 	},
+	[ "4dbdd221e957eff27cc47796f3ed8447290f71c7ad8b95e5bd828b31c1858f15" ] = {
+		title = "Partition",
+		category = "System",
+		iconExt = "\30\55\31\55\128\30\48\135\131\139\30\55\128\128\128\10\30\48\31\55\149\31\48\128\30\55\145\30\48\31\56\140\30\55\157\144\144\10\30\55\31\55\128\31\48\139\143\135\31\55\128\31\56\142\133",
+		run = "Partition",
+	}
 }

sys/init/2.vfs.lua

@@ -134,6 +134,8 @@ local function getNode(dir)
 	return node
 end
 
+fs.getNode = getNode
+
 local methods = { 'delete', 'getFreeSpace', 'exists', 'isDir', 'getSize',
 	'isReadOnly', 'makeDir', 'getDrive', 'list', 'open' }
 

sys/init/4.user.lua

@@ -10,6 +10,13 @@ if not fs.exists('usr/autorun') then
 	fs.makeDir('usr/autorun')
 end
 
+-- move the fstab out of config so that the config directory
+-- can be remapped to another disk (and for consistency)
+if fs.exists('usr/config/fstab') and not fs.exists('usr/etc/fstab') then
+	fs.move('usr/config/fstab', 'usr/etc/fstab')
+end
+fs.loadTab('usr/etc/fstab')
+
 -- TODO: Temporary
 local upgrade = Util.readTable('usr/config/shell')
 if upgrade and (not upgrade.upgraded or upgrade.upgraded ~= 1) then
@@ -45,5 +52,3 @@ shell.setPath(table.concat(path, ':'))
 
 --_G.LUA_PATH = config.lua_path
 --_G.settings.set('mbs.shell.require_path', config.lua_path)
-
-fs.loadTab('usr/config/fstab')

sys/init/6.packages.lua

@@ -14,7 +14,7 @@ for name in pairs(Packages:installed()) do
 	local packageDir = fs.combine('packages', name)
 
 	table.insert(appPaths, 1, '/' .. packageDir)
-	local apiPath = fs.combine(packageDir, 'apis')
+	local apiPath = fs.combine(packageDir, 'apis') -- TODO: rename dir to 'modules' (someday)
 	if fs.exists(apiPath) then
 		fs.mount(fs.combine('rom/modules/main', name), 'linkfs', apiPath)
 	end

sys/modules/opus/ui.lua

@@ -675,7 +675,7 @@ function UI.Window:drawChildren()
 end
 
 UI.Window.docs.getDoc = [[getDoc(STRING method)
-Gets the documentation for a method.]]
+Get the documentation for a method.]]
 function UI.Window:getDoc(method)
 	local m = getmetatable(self)  -- get the class for this instance
 	repeat
@@ -743,6 +743,8 @@ function UI.Window:clear(bg, fg)
 	Canvas.clear(self, bg or self:getProperty('backgroundColor'), fg or self:getProperty('textColor'))
 end
 
+UI.Window.docs.clearLine = [[clearLine(NUMBER y, opt COLOR bg)
+Clears the specified line.]]
 function UI.Window:clearLine(y, bg)
 	self:write(1, y, _rep(' ', self.width), bg)
 end
@@ -760,6 +762,10 @@ function UI.Window:fillArea(x, y, width, height, fillChar, bg, fg)
 	end
 end
 
+UI.Window.docs.write = [[write(NUMBER x, NUMBER y, String text, opt COLOR bg, opt COLOR fg)
+Write text to the canvas.
+If colors are not specified, the colors from the base class will be used.
+If the base class does not have colors defined, colors will be inherited from the parent container.]]
 function UI.Window:write(x, y, text, bg, fg)
 	Canvas.write(self, x, y, text, bg or self:getProperty('backgroundColor'), fg or self:getProperty('textColor'))
 end

sys/modules/opus/ui/components/FileSelect.lua

@@ -1,86 +1,75 @@
 local class = require('opus.class')
-local UI   = require('opus.ui')
-local Util = require('opus.util')
+local UI    = require('opus.ui')
+local Util  = require('opus.util')
 
-local colors = _G.colors
-local fs     = _G.fs
+local fs = _G.fs
 
 UI.FileSelect = class(UI.Window)
 UI.FileSelect.defaults = {
 	UIElement = 'FileSelect',
 }
 function UI.FileSelect:postInit()
-    self.grid = UI.ScrollingGrid {
-        x = 2, y = 2, ex = -2, ey = -4,
-        dir = '/',
-        sortColumn = 'name',
-        columns = {
-            { heading = 'Name', key = 'name' },
-            { heading = 'Size', key = 'size', width = 5 }
-        },
-        getDisplayValues = function(_, row)
-            if row.size then
-                row = Util.shallowCopy(row)
-                row.size = Util.toBytes(row.size)
-            end
-            return row
-        end,
-        getRowTextColor = function(_, file)
-            if file.isDir then
-                return colors.cyan
-            end
-            if file.isReadOnly then
-                return colors.pink
-            end
-            return colors.white
-        end,
-        sortCompare = function(self, a, b)
-            if self.sortColumn == 'size' then
-                return a.size < b.size
-            end
-            if a.isDir == b.isDir then
-                return a.name:lower() < b.name:lower()
-            end
-            return a.isDir
-        end,
-        draw = function(self)
-            local files = fs.listEx(self.dir)
-            if #self.dir > 0 then
-                table.insert(files, {
-                    name = '..',
-                    isDir = true,
-                })
-            end
-            self:setValues(files)
-            self:setIndex(1)
-            UI.Grid.draw(self)
-        end,
-    }
-    self.path = UI.TextEntry {
-        x  =  2,
-        y  = -2,
-        ex = -11,
-        limit = 256,
-        accelerators = {
-            enter = 'path_enter',
-        }
-    }
-    self.cancel = UI.Button {
-        text = 'Cancel',
-        x = -9,
-        y = -2,
-        event = 'select_cancel',
-    }
+	self.grid = UI.ScrollingGrid {
+		x = 2, y = 2, ex = -2, ey = -4,
+		dir = '/',
+		sortColumn = 'name',
+		columns = {
+			{ heading = 'Name', key = 'name' },
+			{ heading = 'Size', key = 'size', width = 5 }
+		},
+		getDisplayValues = function(_, row)
+			return {
+				name = row.name,
+				size = row.size and Util.toBytes(row.size),
+			}
+		end,
+		getRowTextColor = function(_, file)
+			return file.isDir and 'cyan' or file.isReadOnly and 'pink' or 'white'
+		end,
+		sortCompare = function(self, a, b)
+			if self.sortColumn == 'size' then
+				return a.size < b.size
+			end
+			if a.isDir == b.isDir then
+				return a.name:lower() < b.name:lower()
+			end
+			return a.isDir
+		end,
+		draw = function(self)
+			local files = fs.listEx(self.dir)
+			if #self.dir > 0 then
+				table.insert(files, {
+					name = '..',
+					isDir = true,
+				})
+			end
+			self:setValues(files)
+			self:setIndex(1)
+			UI.Grid.draw(self)
+		end,
+	}
+	self.path = UI.TextEntry {
+		x = 2, y = -2, ex = -11,
+		limit = 256,
+		accelerators = {
+			enter = 'path_enter',
+		}
+	}
+	self.cancel = UI.Button {
+		x = -9, y = -2,
+		text = 'Cancel',
+		event = 'select_cancel',
+	}
 end
 
 function UI.FileSelect:draw()
-    self:fillArea(1, 1, self.width, self.height, string.rep('\127', self.width), colors.black, colors.gray)
-    self:drawChildren()
+	self:fillArea(1, 1, self.width, self.height, string.rep('\127', self.width), 'black', 'gray')
+	self:drawChildren()
 end
 
 function UI.FileSelect:enable(path)
-    self:setPath(path or '')
-    UI.Window.enable(self)
+	self:setPath(path or '')
+	UI.Window.enable(self)
 end
 
 function UI.FileSelect:setPath(path)
@@ -98,21 +87,21 @@ function UI.FileSelect:eventHandler(event)
 		if event.selected.isDir then
 			self.grid:draw()
 			self.path:draw()
-        else
-            self:emit({ type = 'select_file', file = '/' .. self.path.value, element = self })
-        end
-        return true
+		else
+			self:emit({ type = 'select_file', file = '/' .. self.path.value, element = self })
+		end
+		return true
 
-    elseif event.type == 'path_enter' then
-        if self.path.value then
-            if fs.isDir(self.path.value) then
-                self:setPath(self.path.value)
-                self.grid:draw()
-                self.path:draw()
-            else
-                self:emit({ type = 'select_file', file = '/' .. self.path.value, element = self })
-            end
-        end
-        return true
+	elseif event.type == 'path_enter' then
+		if self.path.value then
+			if fs.isDir(self.path.value) then
+				self:setPath(self.path.value)
+				self.grid:draw()
+				self.path:draw()
+			else
+				self:emit({ type = 'select_file', file = '/' .. self.path.value, element = self })
+			end
+		end
+		return true
 	end
 end

sys/modules/opus/ui/components/Image.lua

@@ -33,7 +33,7 @@ function UI.Image:draw()
 			for x = 1, #line do
 				local ch = lookup:find(line:sub(x, x))
 				if ch then
-					self:write(x, y, ' ', 2 ^ (ch -1))
+					self:write(x, y, ' ', 2 ^ (ch - 1))
 				end
 			end
 		end
@@ -47,6 +47,7 @@ end
 
 function UI.Image.example()
 	return UI.Image {
+		backgroundColor = 'primary',
 		filename = 'test.paint',
 	}
 end

sys/modules/opus/ui/components/ScrollBar.lua

@@ -7,7 +7,7 @@ local colors = _G.colors
 UI.ScrollBar = class(UI.Window)
 UI.ScrollBar.defaults = {
 	UIElement = 'ScrollBar',
-	lineChar = '|',
+	lineChar = '\166',
 	sliderChar = UI.extChars and '\127' or '#',
 	upArrowChar = UI.extChars and '\30' or '^',
 	downArrowChar = UI.extChars and '\31' or 'v',

sys/modules/opus/ui/components/Tab.lua

@@ -4,7 +4,7 @@ local UI    = require('opus.ui')
 UI.Tab = class(UI.Window)
 UI.Tab.defaults = {
 	UIElement = 'Tab',
-	tabTitle = 'tab',
+	title = 'tab',
 	y = 2,
 }
 
@@ -14,3 +14,8 @@ function UI.Tab:draw()
 	end
 	self:drawChildren()
 end
+
+function UI.Tab:enable()
+	UI.Window.enable(self)
+	self:emit({ type = 'tab_activate', activated = self })
+end

sys/modules/opus/ui/components/TabBar.lua

@@ -37,9 +37,3 @@ function UI.TabBar:eventHandler(event)
 	return UI.MenuBar.eventHandler(self, event)
 end
 
-function UI.TabBar:selectTab(text)
-	local menuItem = Util.find(self.children, 'text', text)
-	if menuItem then
-		menuItem.selected = true
-	end
-end

sys/modules/opus/ui/components/Tabs.lua

@@ -14,11 +14,11 @@ end
 function UI.Tabs:add(children)
 	local buttons = { }
 	for _,child in pairs(children) do
-		if type(child) == 'table' and child.UIElement and child.tabTitle then
+		if type(child) == 'table' and child.UIElement and child.UIElement == 'Tab' then
 			child.y = 2
 			table.insert(buttons, {
 				index = child.index,
-				text = child.tabTitle,
+				text = child.title,
 				event = 'tab_select',
 				tabUid = child.uid,
 			})
@@ -34,7 +34,12 @@ function UI.Tabs:add(children)
 	end
 
 	if self.parent then
+		local enabled = self.enabled
+
+		-- don't enable children upon add
+		self.enabled = nil
 		UI.Window.add(self, children)
+		self.enabled = enabled
 	end
 end
 
@@ -43,7 +48,15 @@ Make to the passed tab active.]]
 function UI.Tabs:selectTab(tab)
 	local menuItem = Util.find(self.tabBar.children, 'tabUid', tab.uid)
 	if menuItem then
-		self.tabBar:emit({ type = 'tab_select', button = { uid = menuItem.uid } })
+		if self.enabled then
+			self.tabBar:emit({ type = 'tab_select', button = { uid = menuItem.uid } })
+		else
+			local previous = Util.find(self.tabBar.children, 'selected', true)
+			if previous then
+				previous.selected = false
+			end
+			menuItem.selected = true
+		end
 	end
 end
 
@@ -59,14 +72,20 @@ function UI.Tabs:enable()
 	self.tabBar:enable()
 
 	local menuItem = Util.find(self.tabBar.children, 'selected', true)
+	self:enableTab(menuItem.tabUid)
+end
 
+function UI.Tabs:enableTab(tabUid, hint)
 	for child in self:eachChild() do
-		child.transitionHint = nil
-		if child.uid == menuItem.tabUid then
-			child:enable()
-			self:emit({ type = 'tab_activate', activated = child })
-		elseif child.tabTitle then
-			child:disable()
+		child.transitionHint = hint
+		if child.uid == tabUid then
+			if not child.enabled then
+				child:enable()
+			end
+		elseif child.UIElement == 'Tab' then
+			if child.enabled then
+				child:disable()
+			end
 		end
 	end
 end
@@ -76,15 +95,7 @@ function UI.Tabs:eventHandler(event)
 		local tab = self:find(event.tab.tabUid)
 		local hint = event.current > event.last and 'slideLeft' or 'slideRight'
 
-		for child in self:eachChild() do
-			if child.uid == event.tab.tabUid then
-				child.transitionHint = hint
-				child:enable()
-			elseif child.tabTitle then
-				child:disable()
-			end
-		end
-		self:emit({ type = 'tab_activate', activated = tab })
+		self:enableTab(event.tab.tabUid, hint)
 		tab:draw()
 		return true
 	end
@@ -94,28 +105,28 @@ function UI.Tabs.example()
 	return UI.Tabs {
 		tab1 = UI.Tab {
 			index = 1,
-			tabTitle = 'tab1',
+			title = 'tab1',
 			entry = UI.TextEntry { y = 3, shadowText = 'text' },
 		},
 		tab2 = UI.Tab {
 			index = 2,
-			tabTitle = 'tab2',
+			title = 'tab2',
 			subtabs = UI.Tabs {
 				x = 3, y = 2, ex = -3, ey = -2,
 				tab1 = UI.Tab {
 					index = 1,
-					tabTitle = 'tab4',
+					title = 'tab4',
 					entry = UI.TextEntry { y = 3, shadowText = 'text' },
 				},
 				tab3 = UI.Tab {
 					index = 2,
-					tabTitle = 'tab5',
+					title = 'tab5',
 				},
 			},
 		},
 		tab3 = UI.Tab {
 			index = 3,
-			tabTitle = 'tab3',
+			title = 'tab3',
 		},
 		enable = function(self)
 			UI.Tabs.enable(self)

sys/modules/opus/ui/components/TextArea.lua

@@ -8,11 +8,12 @@ UI.TextArea.defaults = {
 	value = '',
 	showScrollBar = true,
 }
-function UI.TextArea:setText(text)
+function UI.TextArea:setValue(text)
 	self:reset()
 	self.value = text
 	self:draw()
 end
+UI.TextArea.setText = UI.TextArea.setValue -- deprecate
 
 function UI.TextArea.focus()
 	-- allow keyboard scrolling

sys/modules/opus/ui/components/Wizard.lua

@@ -15,52 +15,50 @@ function UI.Wizard:postInit()
 	}
 	self.previousButton = UI.Button {
 		x = -18, y = -1,
-		text = '< Back',
+		text = '\17 Back',
 		event = 'previousView',
 	}
 	self.nextButton = UI.Button {
 		x = -9, y = -1,
-		text = 'Next >',
+		text = 'Next \16',
 		event = 'nextView',
 	}
 
 	Util.merge(self, self.pages)
 end
 
-function UI.Wizard:add(pages)
-	Util.merge(self.pages, pages)
-	Util.merge(self, pages)
-
-	for _, child in pairs(self.pages) do
-		child.ey = child.ey or -2
-	end
-
-	if self.parent then
-		self:initChildren()
+function UI.Wizard:getPages()
+	local t = { }
+	for child in self:eachChild() do
+		if type(child) == 'table' and child.UIElement == 'WizardPage' then
+			table.insert(t, child)
+		end
 	end
+	return t
 end
 
 function UI.Wizard:getPage(index)
-	return Util.find(self.pages, 'index', index)
+	local pages = self:getPages()
+	return Util.find(pages, 'index', index)
 end
 
-function UI.Wizard:enable(...)
+function UI.Wizard:enable()
 	self.enabled = true
 	self.index = 1
-	local initial = self:getPage(1)
 	for child in self:eachChild() do
-		if child == initial or not child.index then
-			child:enable(...)
-		else
+		if child.UIElement ~= 'WizardPage' then
+			child:enable()
+		elseif child.enabled then
 			child:disable()
 		end
 	end
+	local initial = self:getPage(1)
 	self:emit({ type = 'enable_view', next = initial })
 end
 
 function UI.Wizard:isViewValid()
 	local currentView = self:getPage(self.index)
-	return not currentView.validate and true or currentView:validate()
+	return currentView:validate()
 end
 
 function UI.Wizard:eventHandler(event)
@@ -107,7 +105,7 @@ function UI.Wizard:eventHandler(event)
 		end
 
 		if self:getPage(self.index + 1) then
-			self.nextButton.text = 'Next >'
+			self.nextButton.text = 'Next \16'
 			self.nextButton.event = 'nextView'
 		else
 			self.nextButton.text = 'Accept'
@@ -124,29 +122,27 @@ end
 function UI.Wizard.example()
 	return UI.Wizard {
 		ey = -2,
-		pages = {
-			splash = UI.WizardPage {
-				index = 1,
-				intro = UI.TextArea {
-					inactive = true,
-					x = 3, ex = -3, y = 2, ey = -2,
-					value = 'sample text',
-				},
+		splash = UI.WizardPage {
+			index = 1,
+			intro = UI.TextArea {
+				inactive = true,
+				x = 3, ex = -3, y = 2, ey = -2,
+				value = 'sample text',
 			},
-			label = UI.WizardPage {
-				index = 2,
-				intro = UI.TextArea {
-					inactive = true,
-					x = 3, ex = -3, y = 2, ey = -2,
-					value = 'sample more text',
-				},
+		},
+		label = UI.WizardPage {
+			index = 2,
+			intro = UI.TextArea {
+				inactive = true,
+				x = 3, ex = -3, y = 2, ey = -2,
+				value = 'sample more text',
 			},
-			password = UI.WizardPage {
-				index = 3,
-				text = UI.TextEntry {
-					x = 12, ex = -3, y = 2,
-					shadowText = 'tet',
-				},
+		},
+		password = UI.WizardPage {
+			index = 3,
+			text = UI.TextEntry {
+				x = 12, ex = -3, y = 2,
+				shadowText = 'tet',
 			},
 		},
 	}

sys/modules/opus/ui/components/WizardPage.lua

@@ -6,3 +6,6 @@ UI.WizardPage.defaults = {
 	UIElement = 'WizardPage',
 	ey = -2,
 }
+function UI.WizardPage.validate()
+	return true
+end