simplify ui

sys/services/chat.lua

@@ -0,0 +1,58 @@
+local device     = _G.device
+local multishell = _ENV.multishell
+local os         = _G.os
+local parallel   = _G.parallel
+
+if device.wireless_modem then
+
+	multishell.setTitle(multishell.getCurrent(), 'Chat Daemon')
+
+	local tab
+
+	local function chatClient()
+
+	  _G.requireInjector()
+
+		local Event = require('event')
+		local Util  = require('util')
+
+		local h = Event.addRoutine(function()
+			while true do
+				Util.run(_ENV, 'rom/programs/rednet/chat',
+					'join', 'opusChat-' .. os.getComputerID(), 'owner')
+			end
+		end)
+
+		while true do
+			local e = { os.pullEventRaw() }
+			if e[1] == 'terminate' then
+				multishell.hideTab(tab.tabId)
+			else
+				if e[1] == 'rednet_message' and e[4] == 'chat' and e[3].sType == 'chat' then
+					if tab.hidden then
+						multishell.unhideTab(tab.tabId)
+					end
+				end
+				h:resume(unpack(e))
+			end
+		end
+	end
+
+	parallel.waitForAll(
+		function()
+			os.run(_ENV, 'rom/programs/rednet/chat',
+				'host', 'opusChat-' .. os.getComputerID())
+		end,
+		function()
+			os.sleep(3)
+			local tabId = multishell.openTab({
+				fn   = chatClient,
+				title  = 'Chatroom',
+				hidden = true,
+			})
+			tab = multishell.getTab(tabId)
+		end
+	)
+
+	print('Chat daemon stopped')
+end