1 files changed, 83 insertions, 0 deletions
diff --git a/.config/i3blocks/scripts/volume b/.config/i3blocks/scripts/volume
new file mode 100755
index 0000000..6e0c4fe
--- /dev/null
+++ b/.config/i3blocks/scripts/volume
@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+# Copyright (C) 2014 Julien Bonjean <julien@bonjean.info>
+# Copyright (C) 2014 Alexander Keller <github@nycroth.com>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#------------------------------------------------------------------------
+
+# The second parameter overrides the mixer selection
+# For PulseAudio users, eventually use "pulse"
+# For Jack/Jack2 users, use "jackplug"
+# For ALSA users, you may use "default" for your primary card
+# or you may use hw:# where # is the number of the card desired
+if [[ -z "$MIXER" ]] ; then
+    MIXER="default"
+    if command -v pulseaudio >/dev/null 2>&1 && pulseaudio --check ; then
+        # pulseaudio is running, but not all installations use "pulse"
+        if amixer -D pulse info >/dev/null 2>&1 ; then
+            MIXER="pulse"
+        fi
+    fi
+    [ -n "$(lsmod | grep jack)" ] && MIXER="jackplug"
+    MIXER="${2:-$MIXER}"
+fi
+
+# The instance option sets the control to report and configure
+# This defaults to the first control of your selected mixer
+# For a list of the available, use `amixer -D $Your_Mixer scontrols`
+if [[ -z "$SCONTROL" ]] ; then
+    SCONTROL="${BLOCK_INSTANCE:-$(amixer -D $MIXER scontrols |
+                      sed -n "s/Simple mixer control '\([^']*\)',0/\1/p" |
+                      head -n1
+                    )}"
+fi
+
+# The first parameter sets the step to change the volume by (and units to display)
+# This may be in in % or dB (eg. 5% or 3dB)
+if [[ -z "$STEP" ]] ; then
+    STEP="${1:-5%}"
+fi
+
+#------------------------------------------------------------------------
+
+capability() { # Return "Capture" if the device is a capture device
+  amixer -D $MIXER get $SCONTROL |
+    sed -n "s/  Capabilities:.*cvolume.*/Capture/p"
+}
+
+volume() {
+  amixer -D $MIXER get $SCONTROL $(capability)
+}
+
+format() {
+  
+  perl_filter='if (/.*\[(\d+%)\] (\[(-?\d+.\d+dB)\] )?\[(on|off)\]/)'
+  perl_filter+='{CORE::say $4 eq "off" ? "MUTE" : "'
+  # If dB was selected, print that instead
+  perl_filter+=$([[ $STEP = *dB ]] && echo '$3' || echo '$1')
+  perl_filter+='"; exit}'
+  output=$(perl -ne "$perl_filter")
+  echo "$LABEL$output"
+}
+
+#------------------------------------------------------------------------
+
+case $BLOCK_BUTTON in
+  3) amixer -q -D $MIXER sset $SCONTROL $(capability) toggle ;;  # right click, mute/unmute
+  4) amixer -q -D $MIXER sset $SCONTROL $(capability) ${STEP}+ unmute ;; # scroll up, increase
+  5) amixer -q -D $MIXER sset $SCONTROL $(capability) ${STEP}- unmute ;; # scroll down, decrease
+esac
+
+volume | format