Merge commit '33c0e0c2360a04fcc6f51bccb0ad2a7a9e9c07b3'

[etc/awesome.git] / .config / awesome / lain / widget / pulse.lua

diff --git a/.config/awesome/lain/widget/pulse.lua b/.config/awesome/lain/widget/pulse.lua
new file mode 100644 (file)
index 0000000..f63fe55
--- /dev/null
+++ b/.config/awesome/lain/widget/pulse.lua
@@ -0,0 +1,57 @@
+--[[
+
+     Licensed under GNU General Public License v2
+      * (c) 2016, Luca CPZ
+
+--]]
+
+local helpers = require("lain.helpers")
+local shell   = require("awful.util").shell
+local wibox   = require("wibox")
+local string  = string
+local type    = type
+
+-- PulseAudio volume
+-- lain.widget.pulse
+
+local function factory(args)
+    local pulse    = { widget = wibox.widget.textbox(), device = "N/A" }
+    local args     = args or {}
+    local timeout  = args.timeout or 5
+    local settings = args.settings or function() end
+
+    pulse.devicetype = args.devicetype or "sink"
+    pulse.cmd = args.cmd or "pacmd list-" .. pulse.devicetype .. "s | sed -n -e '/*/,$!d' -e '/index/p' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
+
+    function pulse.update()
+        helpers.async({ shell, "-c", type(pulse.cmd) == "string" and pulse.cmd or pulse.cmd() },
+        function(s)
+            volume_now = {
+                index  = string.match(s, "index: (%S+)") or "N/A",
+                device = string.match(s, "device.string = \"(%S+)\"") or "N/A",
+                muted  = string.match(s, "muted: (%S+)") or "N/A"
+            }
+
+            pulse.device = volume_now.index
+
+            local ch = 1
+            volume_now.channel = {}
+            for v in string.gmatch(s, ":.-(%d+)%%") do
+                volume_now.channel[ch] = v
+                ch = ch + 1
+            end
+
+            volume_now.left  = volume_now.channel[1] or "N/A"
+            volume_now.right = volume_now.channel[2] or "N/A"
+
+            widget = pulse.widget
+            settings()
+        end)
+    end
+
+    helpers.newtimer("pulse", timeout, pulse.update)
+
+    return pulse
+end
+
+return factory