Add '.config/awesome/lain/' from commit 'fc6e880da40668c6e9bd9da3786ff2fcae519c75'

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

diff --git a/.config/awesome/lain/widget/pulseaudio.lua b/.config/awesome/lain/widget/pulseaudio.lua
new file mode 100644 (file)
index 0000000..ed37cb5
--- /dev/null
+++ b/.config/awesome/lain/widget/pulseaudio.lua
@@ -0,0 +1,64 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2016, Luke Bonham                     
+                                                  
+--]]
+
+local helpers = require("lain.helpers")
+local shell   = require("awful.util").shell
+local wibox   = require("wibox")
+local string  = { gmatch = string.gmatch,
+                  match  = string.match,
+                  format = string.format }
+
+-- PulseAudio volume
+-- lain.widget.pulseaudio
+
+local function factory(args)
+    local pulseaudio  = { widget = wibox.widget.textbox() }
+    local args        = args or {}
+    local timeout     = args.timeout or 5
+    local settings    = args.settings or function() end
+    local scallback   = args.scallback
+ 
+    pulseaudio.device = "N/A"
+    pulseaudio.devicetype = args.devicetype or "sink"
+    pulseaudio.cmd = args.cmd or "pacmd list-" .. pulseaudio.devicetype .. "s | sed -n -e '0,/*/d' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
+
+    function pulseaudio.update()
+        if scallback then pulseaudio.cmd = scallback() end
+
+        helpers.async({ shell, "-c", pulseaudio.cmd }, function(s)
+            volume_now = {
+                index = string.match(s, "index: (%S+)") or "N/A",
+                device = string.match(s, "device.string = \"(%S+)\"") or "N/A",
+                sink   = device, -- legacy API
+                muted  = string.match(s, "muted: (%S+)") or "N/A"
+            }
+
+            pulseaudio.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 = pulseaudio.widget
+
+            settings()
+        end)
+    end
+
+    helpers.newtimer("pulseaudio", timeout, pulseaudio.update)
+
+    return pulseaudio
+end
+
+return factory