screen saver(s)

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