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authorSilvio Rhatto <rhatto@riseup.net>2013-02-22 15:09:51 -0300
committerSilvio Rhatto <rhatto@riseup.net>2013-02-22 15:09:51 -0300
commitc764098185c3bab9cf10d75c5069e5c0d4dc6d48 (patch)
tree196191570e2002ca61f9d845eebb1c7d96ec7ede /modules/awesome/config.dot/awesome.link/volume.lua
parente59b8e510d2bbe3deefb83b571b633e1ccf4020a (diff)
downloaddotfiles-c764098185c3bab9cf10d75c5069e5c0d4dc6d48.tar.gz
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Adding volume keys and widgets
Diffstat (limited to 'modules/awesome/config.dot/awesome.link/volume.lua')
-rw-r--r--modules/awesome/config.dot/awesome.link/volume.lua34
1 files changed, 34 insertions, 0 deletions
diff --git a/modules/awesome/config.dot/awesome.link/volume.lua b/modules/awesome/config.dot/awesome.link/volume.lua
new file mode 100644
index 0000000..0a5bb45
--- /dev/null
+++ b/modules/awesome/config.dot/awesome.link/volume.lua
@@ -0,0 +1,34 @@
+-- See http://awesome.naquadah.org/wiki/Volume_control_and_display
+volume_widget = widget({ type = "textbox", name = "tb_volume",
+ align = "right" })
+
+function update_volume(widget)
+ local fd = io.popen("amixer sget Master")
+ local status = fd:read("*all")
+ fd:close()
+
+ local volume = tonumber(string.match(status, "(%d?%d?%d)%%")) / 100
+ -- volume = string.format("% 3d", volume)
+
+ status = string.match(status, "%[(o[^%]]*)%]")
+
+ -- starting colour
+ local sr, sg, sb = 0x3F, 0x3F, 0x3F
+ -- ending colour
+ local er, eg, eb = 0xDC, 0xDC, 0xCC
+
+ local ir = volume * (er - sr) + sr
+ local ig = volume * (eg - sg) + sg
+ local ib = volume * (eb - sb) + sb
+ interpol_colour = string.format("%.2x%.2x%.2x", ir, ig, ib)
+ if string.find(status, "on", 1, true) then
+ volume = " <span background='#" .. interpol_colour .. "'> </span>"
+ else
+ volume = " <span color='red' background='#" .. interpol_colour .. "'> M </span>"
+ end
+ widget.text = volume
+ end
+
+mytimer = timer({ timeout = 1 })
+mytimer:add_signal("timeout", function () update_volume(volume_widget) end)
+mytimer:start()