From 818caea23fcbb5219f64b90a65df445278f9cbcc Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fl.fischer@fau.de>
Date: Sat, 9 Jan 2016 21:03:01 +0100
Subject: make volume control work with amixer(ALSA) and pamixer(PA)

Add a helper script that use either amixer or pamixer for
increase decrease and toggle mute.

usage: audio_control.sh ((+ | -)<number> | toggle)
---
 i3/config                |  6 +++---
 scripts/audio_control.sh | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 3 deletions(-)
 create mode 100644 scripts/audio_control.sh

diff --git a/i3/config b/i3/config
index 5d6da20..82a485f 100644
--- a/i3/config
+++ b/i3/config
@@ -174,9 +174,9 @@ bar {
 
 # Audio shortcuts
 # # Volume
-bindsym XF86AudioLowerVolume exec pamixer -d 5
-bindsym XF86AudioRaiseVolume exec pamixer -i 5
-bindsym XF86AudioMute exec pamixer -t
+bindsym XF86AudioLowerVolume exec sh ~/.dotfiles/scripts/audio_control.sh -5
+bindsym XF86AudioRaiseVolume exec sh ~/.dotfiles/scripts/audio_control.sh +5
+bindsym XF86AudioMute exec sh ~/.dotfiles/scripts/audio_control.sh toggle
 # # Music
 bindsym XF86AudioPrev exec bash ~/.dotfiles/scripts/media_control.sh prev
 bindsym XF86AudioPlay exec bash ~/.dotfiles/scripts/media_control.sh toggle
diff --git a/scripts/audio_control.sh b/scripts/audio_control.sh
new file mode 100644
index 0000000..7bbf7df
--- /dev/null
+++ b/scripts/audio_control.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+if type pamixer &> /dev/null
+then
+    command_inc="pamixer -i "
+    command_dec="pamixer -d "
+    command_toggle="pamixer -t"
+elif type amixer &> /dev/null
+then
+    command_inc="amixer -q set Master "
+    inc_suff="%+"
+    command_dec="amixer -q set Master "
+    dec_suff="%-"
+    command_toggle="amixer -q set Master toggle"
+else
+    command_inc="i3-nagbar -m \"please install amixer(ALSA) or pamixer(PA)\""
+    command_dec="i3-nagbar -m \"please install amixer(ALSA) or pamixer(PA)\""
+    command_toggle="i3-nagbar -m \"please install amixer(ALSA) or pamixer(PA)\""
+fi
+
+if [[ $1 =~ ^\+[0-9]$ ]]
+then
+    eval $command_inc "${1:1}$inc_suff"
+elif [[ $1 =~ ^\-[0-9]$ ]] 
+then
+    eval $command_dec "${1:1}$dec_suff"
+elif [[ $1 = "toggle" ]] 
+then
+    eval $command_toggle
+else
+    eval "i3-nagbar -m \"not supported command $1\""
+fi
-- 
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