Add callback function for to update sink

diff --git a/widgets/pulseaudio.lua b/widgets/pulseaudio.lua
index 589249ffe70d0904e05737961d8cb6fa1dd9203e..d243b8dd27e7c9697700a8fd624579bc1ab0b9fb 100644 (file)
--- a/widgets/pulseaudio.lua
+++ b/widgets/pulseaudio.lua
@@ -23,6 +23,7 @@ local function worker(args)
    local args        = args or {}
    local timeout     = args.timeout or 5
    local settings    = args.settings or function() end
+   local scallback   = args.scallback or function() end
 
    pulseaudio.sink   = args.sink or 0 -- user defined or first one
    pulseaudio.cmd    = args.cmd or string.format("pacmd list-sinks | sed -n -e '/base volume/d' -e '/index: %d/p' -e '/volume:/p' -e '/muted:/p' | sed -n -e '/index: %d/,+2p'",
@@ -37,6 +38,10 @@ local function worker(args)
       volume_now.right = tonumber(string.match(s, "right.-(%d+)%%")) or tonumber(string.match(s, "1:.-(%d+)%%"))
       volume_now.muted = string.match(s, "muted: (%S+)")
 
+      if scallback ~= nil then
+         pulseaudio.sink   = scallback()
+      end
+
       widget = pulseaudio.widget
       settings()
    end