screen saver(s)

common/etc/fstab

@@ -1,3 +1,4 @@
 packages/common/ascii.lua urlfs http://pastebin.com/raw/u3kcnyjd
 packages/common/hexedit.lua urlfs https://pastebin.com/raw/Ds9ajsp4
-packages/common/colors.lua urlfs https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/ignore/colors.lua
+packages/common/colors.lua urlfs https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/ignore/colors.lua
+packages/common/cowsay.lua urlfs https://pastebin.com/raw/n00VQJsw

packages.list

@@ -16,6 +16,7 @@
 	[ 'neural'     ] = 'https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/neural/.package',
 --	[ 'pickup'     ] = 'https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/pickup/.package',
 	[ 'recipeBook' ] = 'https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/recipeBook/.package',
+	[ 'screenSaver'] = 'https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/screenSaver/.package',
 	[ 'secure'     ] = 'https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/secure/.package',
 	[ 'shellex'    ] = 'https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/shellex/.package',
 	[ 'swshop'     ] = 'https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/swshop/.package',

screenSaver/.package

@@ -0,0 +1,6 @@
+{
+	title = 'Screen Savers',
+	repository = 'kepler155c/opus-apps/{{OPUS_BRANCH}}/screenSaver',
+	description = [[ Various screen savers ]],
+	license = 'MIT',
+}

screenSaver/autorun/saver.lua

@@ -0,0 +1,72 @@
+local Config = require('opus.config')
+local Util   = require('opus.util')
+
+local fs         = _G.fs
+local kernel     = _G.kernel
+local multishell = _ENV.multishell
+local window     = _G.window
+
+if not multishell then
+    return
+end
+
+local config = Config.load('saver', {
+	enabled = true,
+    timeout = 60,
+    random = true,
+    specific = nil,
+})
+
+local BASE   = '/packages/screenSaver'
+local SAVERS = fs.combine(BASE, 'savers')
+
+local timer = config.enabled and os.startTimer(config.timeout)
+local saverUid
+
+local function showScreenSaver()
+    timer = nil
+
+    local files = fs.list(SAVERS)
+    local saver = config.specific or fs.combine(SAVERS, files[math.random(1, #files)])
+
+    local w, h = kernel.terminal.getSize()
+    local win = window.create(kernel.terminal, 1, 1, w, h, true)
+    saverUid = multishell.openTab({
+        path = saver,
+        focused = true,
+        title = 'Saver',
+        window = win,
+    })
+end
+
+kernel.hook({ 'mouse_up', 'mouse_drag', 'key_up' }, function()
+    if config.enabled then
+        if timer then
+            os.cancelTimer(timer)
+            timer = os.startTimer(config.timeout)
+        elseif saverUid then
+            multishell.terminate(saverUid)
+            saverUid = nil
+            timer = os.startTimer(config.timeout)
+        end
+    end
+end)
+
+kernel.hook('timer', function(_, eventData)
+    if timer and eventData[1] == timer then
+        showScreenSaver()
+    end
+end)
+
+kernel.hook('config_update', function(_, eventData)
+    if eventData[1] == 'saver' then
+        Util.merge(config, eventData[2])
+        if timer then
+            os.cancelTimer(timer)
+            timer = nil
+        end
+        if config.enabled then
+            timer = os.startTimer(config.timeout)
+        end
+    end
+end)

screenSaver/etc/fstab

@@ -0,0 +1,8 @@
+sys/apps/system/saver.lua linkfs packages/screenSaver/system/saver.lua
+packages/screenSaver/savers/timespace.lua urlfs https://raw.githubusercontent.com/Allen2277/Computercraft/master/Time%20Space%20Screensaver
+packages/screenSaver/savers/visualizer.lua urlfs https://raw.githubusercontent.com/Allen2277/Computercraft/master/ScreenSaver
+packages/screenSaver/savers/random.lua urlfs https://pastebin.com/raw/XXW0r5zt
+packages/screenSaver/savers/melting.lua urlfs http://pastebin.com/raw/raUv6Pap
+packages/screenSaver/savers/bubbles.lua urlfs https://pastebin.com/raw/3CeFxk9X
+packages/screenSaver/savers/fire.lua urlfs https://pastebin.com/raw/4CY4AYj3
+packages/screenSaver/savers/rain.lua urlfs https://pastebin.com/raw/P86Hm99N

screenSaver/system/saver.lua

@@ -0,0 +1,54 @@
+local Config = require('opus.config')
+local UI     = require('opus.ui')
+
+local config = Config.load('saver', {
+	enabled = true,
+    timeout = 60,
+})
+
+local tab = UI.Tab {
+	tabTitle = 'Screen Saver',
+	description = 'Screen saver',
+	label1 = UI.Text {
+		x = 2, y = 3,
+		value = 'Enabled',
+	},
+	checkbox = UI.Checkbox {
+		x = 20, y = 3,
+		value = config.enabled
+	},
+	label2 = UI.Text {
+		x = 2, y = 4,
+		value = 'Timeout',
+	},
+	timeout = UI.TextEntry {
+		x = 20, y = 4, width = 6,
+		limit = 4,
+		transform = 'number',
+		value = config.timeout,
+		accelerators = {
+			enter = 'update',
+		},
+	},
+	button = UI.Button {
+		x = 20, y = 6,
+		text = 'Update',
+		event = 'update',
+	},
+}
+
+function tab:eventHandler(event)
+	if event.type =='checkbox_change' then
+		config.enabled = not not event.checked
+
+	elseif event.type == 'update' then
+		config.timeout = self.timeout.value
+		Config.update('saver', config)
+
+		self:emit({ type = 'success_message', message = 'Settings updated' })
+		os.queueEvent('config_update', 'saver', config)
+	end
+	return UI.Tab.eventHandler(self, event)
+end
+
+return tab

secure/autorun/lock.lua

@@ -6,6 +6,10 @@ local kernel     = _G.kernel
 local keyboard   = device.keyboard
 local multishell = _ENV.multishell
 
+if not multishell then
+    return
+end
+
 local config = Config.load('secure', {
 	enabled = false,
     timeout = 60,

secure/autorun/startup.lua

@@ -1,4 +0,0 @@
-local fs = _G.fs
-
--- add a System setup tab
-fs.mount('sys/apps/system/secure.lua', 'linkfs', 'packages/secure/system/secure.lua')

secure/etc/fstab

@@ -0,0 +1 @@
+sys/apps/system/secure.lua linkfs packages/secure/system/secure.lua