From edd6a2b6c4b5d4518ab0f7b453ad5cf5b167cb4d Mon Sep 17 00:00:00 2001
From: Yorick van Pelt <yorickvanpelt@gmail.com>
Date: Wed, 14 Nov 2012 21:39:44 +0100
Subject: [PATCH] add volume control

---
 awesome/rc.lua     |  5 ++++-
 bin/mute_toggle.sh | 34 ++++++++++++++++++++++++++++++++++
 bin/vol_down.sh    | 23 +++++++++++++++++++++++
 bin/vol_up.sh      | 23 +++++++++++++++++++++++
 4 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100755 bin/mute_toggle.sh
 create mode 100755 bin/vol_down.sh
 create mode 100755 bin/vol_up.sh

diff --git a/awesome/rc.lua b/awesome/rc.lua
index 084d8af..9a81776 100644
--- a/awesome/rc.lua
+++ b/awesome/rc.lua
@@ -312,7 +312,10 @@ globalkeys = awful.util.table.join(
     awful.key({ modkey, "Control" }, "l", function () awful.util.spawn("xscreensaver-command -lock") end),
     -- brightness adjustment
     awful.key({ }, "XF86MonBrightnessDown", function() awful.util.spawn("/home/yorick/dotfiles/bin/brightne.sh down") end),
-    awful.key({ }, "XF86MonBrightnessUp", function() awful.util.spawn("/home/yorick/dotfiles/bin/brightne.sh up") end)
+    awful.key({ }, "XF86MonBrightnessUp", function() awful.util.spawn("/home/yorick/dotfiles/bin/brightne.sh up") end),
+    awful.key({ }, "XF86AudioMute", function() awful.util.spawn("/home/yorick/dotfiles/bin/mute_toggle.sh") end),
+    awful.key({ }, "XF86AudioLowerVolume", function() awful.util.spawn("/home/yorick/dotfiles/bin/vol_down.sh") end),
+    awful.key({ }, "XF86AudioRaiseVolume", function() awful.util.spawn("/home/yorick/dotfiles/bin/vol_up.sh") end)
 )
 
 clientkeys = awful.util.table.join(
diff --git a/bin/mute_toggle.sh b/bin/mute_toggle.sh
new file mode 100755
index 0000000..fcac180
--- /dev/null
+++ b/bin/mute_toggle.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Credit to Roland Latour
+# http://www.freak-search.com/en/thread/4707111/q_volume_control,_xfce
+
+# Find default sink
+sink=$(pacmd info|grep "Default sink name"|awk '{print $4}')
+
+# Now we need to get mute status of default sink
+# get line# of start of definition for default sink (plus 1, actually)
+
+let line=$(pacmd list-sinks|grep -n $sink|sed '{s/://}'|awk '{print $1}')
+# add 12 for "muted" line
+
+let line=($line + 12)
+
+# extract mute status from that line
+mute=$(pacmd list-sinks|awk 'NR==i"'"$line"'"{print $2}')
+
+if [[ "$mute" == "yes" ]]; then
+	# show the volume
+	# Now we need to find volume of default sink
+	# get line# of start of definition for default sink (plus 1, actually)
+	let line=$(pacmd list-sinks|grep -n $sink|sed '{s/://}'|awk '{print $1}')
+
+	# index down a bit for volume line
+	let line=($line + 6)
+	volume=$(pacmd list-sinks|awk 'NR=="'"$line"'"{print $3}'|sed '{s/%//}')
+
+
+	pacmd set-sink-mute "$sink" 0 > /dev/null 2>&1
+	volnoti-show $volume
+fi
+[[ "$mute" == "no" ]] && pacmd set-sink-mute "$sink" 1 > /dev/null 2>&1 && volnoti-show -m
diff --git a/bin/vol_down.sh b/bin/vol_down.sh
new file mode 100755
index 0000000..ffffbd7
--- /dev/null
+++ b/bin/vol_down.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+# Credit to Roland Latour
+# http://www.freak-search.com/en/thread/4707111/q_volume_control,_xfce
+
+# lower volume by 1%
+
+# Find default sink
+sink=$(pacmd info|grep "Default sink name"|awk '{print $4}')
+
+# Now we need to find volume of default sink
+# get line# of start of definition for default sink (plus 1, actually)
+let line=$(pacmd list-sinks|grep -n $sink|sed '{s/://}'|awk '{print $1}')
+
+# index down a bit for volume line
+let line=($line + 6)
+volume=$(pacmd list-sinks|awk 'NR=="'"$line"'"{print $3}'|sed '{s/%//}')
+
+# pacmd returns volume as %, but demands setting as range: 0-65535
+let volume=($volume - 1)
+let volume=($volume * 65536);let volume=($volume / 100)
+[[ $volume -lt 0 ]] && let volume=0
+pacmd set-sink-volume $sink $volume > /dev/null 2>&1
+volnoti-show $(((volume * 100) / 65536))
diff --git a/bin/vol_up.sh b/bin/vol_up.sh
new file mode 100755
index 0000000..5b0c82b
--- /dev/null
+++ b/bin/vol_up.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+# Credit to Roland Latour
+# http://www.freak-search.com/en/thread/4707111/q_volume_control,_xfce
+
+# raise volume by 1%
+
+# Find default sink
+sink=$(pacmd info|grep "Default sink name"|awk '{print $4}')
+
+# Now we need to find volume of default sink
+# get line# of start of definition for default sink (plus 1, actually)
+let line=$(pacmd list-sinks|grep -n $sink|sed '{s/://}'|awk '{print $1}')
+
+# index down a bit for volume line
+let line=($line + 6)
+volume=$(pacmd list-sinks|awk 'NR=="'"$line"'"{print $3}'|sed '{s/%//}')
+
+# pacmd returns volume as %, but demands setting as range: 0-65535
+let volume=($volume + 1)
+let volume=($volume * 65536);let volume=($volume / 100)
+[[ $volume -gt 65536 ]] && let volume=65536
+pacmd set-sink-volume $sink $volume > /dev/null 2>&1
+volnoti-show $(((volume * 100) / 65536))