From 2b642e582ad79d54c195011f0d51f61f91966ac4 Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Tue, 13 Dec 2016 14:37:08 +0100
Subject: volume control and more

---
 config/awesome/volume.lua | 80 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 config/awesome/volume.lua

(limited to 'config/awesome/volume.lua')

diff --git a/config/awesome/volume.lua b/config/awesome/volume.lua
new file mode 100644
index 0000000..bd1d1fb
--- /dev/null
+++ b/config/awesome/volume.lua
@@ -0,0 +1,80 @@
+-- from https://awesome.naquadah.org/wiki/Volume_control_and_display
+-- 2016-12-13
+
+--local wibox = require("wibox")
+--local awful = require("awful")
+--
+--volume_widget = wibox.widget.textbox()
+--volume_widget:set_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 = math.floor(volume * (er - sr) + sr)
+--   local ig = math.floor(volume * (eg - sg) + sg)
+--   local ib = math.floor(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:set_markup(volume)
+--end
+--
+--update_volume(volume_widget)
+--
+--mytimer = timer({ timeout = 1 })
+--mytimer:connect_signal("timeout", function () update_volume(volume_widget) end)
+--mytimer:start()
+local wibox = require("wibox")
+local awful = require("awful")
+ 
+volume_widget = wibox.widget.textbox()
+volume_widget:set_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
+   local volume = string.match(status, "(%d?%d?%d)%%")
+   volume = string.format("% 3d", volume)
+ 
+   status = string.match(status, "%[(o[^%]]*)%]")
+
+   if string.find(status, "on", 1, true) then
+       -- For the volume numbers
+       volume = volume .. "%"
+   else
+       -- For the mute button
+       volume = "<span color='red'>" .. volume .. "%</span>"
+   end
+   widget:set_markup(volume)
+end
+ 
+update_volume(volume_widget)
+ 
+-- mytimer = timer({ timeout = 0.2 })
+-- mytimer:connect_signal("timeout", function () update_volume(volume_widget) end)
+-- mytimer:start()
+
+dbus.request_name("session", "com.ch1p.avm")
+dbus.add_match("session", "interface='com.ch1p.avm',member='valueChanged'")
+dbus.connect_signal("com.ch1p.avm", function()
+        update_volume(volume_widget)
+    end
+)
-- 
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