From eb03f485750af488102e1721f75f3e6707a9a6e9 Mon Sep 17 00:00:00 2001
From: Cristian Miranda <crism60@gmail.com>
Date: Sun, 7 Jan 2024 19:07:07 -0300
Subject: [PATCH] :wrench: polybar[brightness]: add brightness control

---
 home/.config/polybar/config.ini |  8 ++++++--
 home/.config/sxhkd/sxhkdrc      |  6 ++++++
 home/bin/adjust-brightness      | 16 +++++++++++++---
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/home/.config/polybar/config.ini b/home/.config/polybar/config.ini
index 00d9335f..d16226a5 100644
--- a/home/.config/polybar/config.ini
+++ b/home/.config/polybar/config.ini
@@ -64,7 +64,7 @@ separator-foreground = ${colors.disabled}
 
 modules-left = logo i3 sxhkd-ipc hotkeys-ipc spotify-now-playing
 modules-center =
-modules-right = dolarblue dozer microphone pulseaudio-control-output network cpu-temperature cpu memory weather custom-date trayseparator spotify owl thunderbird github vpn packages dunst trayseparator
+modules-right = dolarblue dozer microphone pulseaudio-control-output brightness network cpu-temperature cpu memory weather custom-date trayseparator spotify owl thunderbird github vpn packages dunst trayseparator
 
 cursor-click = pointer
 cursor-scroll = ns-resize
@@ -254,6 +254,11 @@ label-empty-padding = 0
 type = internal/xwindow
 label = %title:0:60:...%
 
+[module/brightness]
+type = custom/script
+interval = 1
+exec = xrandr --verbose | awk '/Brightness/ {print $2 * 100; exit}' | xargs printf "󰃞 %.0f%%"
+
 [module/pulseaudio-control-output]
 type = custom/script
 tail = true
@@ -469,7 +474,6 @@ exec = .config/polybar/scripts/packages
 
 [module/owl]
 type = custom/script
-interval = 5
 format = <label>
 label = "%output%"
 label-padding = 0
diff --git a/home/.config/sxhkd/sxhkdrc b/home/.config/sxhkd/sxhkdrc
index 13525c79..0bc9d410 100644
--- a/home/.config/sxhkd/sxhkdrc
+++ b/home/.config/sxhkd/sxhkdrc
@@ -1,6 +1,12 @@
 ###########################################################################
 # Multimedia
 ###########################################################################
+# Brightness Up
+XF86MonBrightnessUp
+	~/bin/adjust-brightness +
+# Brightness Down
+XF86MonBrightnessDown
+	~/bin/adjust-brightness -
 # Rewind
 {XF86AudioPrev, shift + F10}
     dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Previous
diff --git a/home/bin/adjust-brightness b/home/bin/adjust-brightness
index 0f1daf80..f6a483e8 100755
--- a/home/bin/adjust-brightness
+++ b/home/bin/adjust-brightness
@@ -3,11 +3,21 @@
 # Get current brightness
 BRIGHTNESS=$(xrandr --verbose | awk '{if ($1 ~ /Brightness/) {print $NF; exit}}');
 
-# Add 0.05
-BRIGHTNESS=`echo "$BRIGHTNESS $1 0.05" | bc`;
+# Adjust brightness
+ADJUSTMENT=0.1
+if [ "$1" == "+" ]; then
+    BRIGHTNESS=$(echo "scale=2; $BRIGHTNESS + $ADJUSTMENT" | bc);
+elif [ "$1" == "-" ]; then
+    echo $BRIGHTNESS
+    BRIGHTNESS=$(echo "scale=2; $BRIGHTNESS - $ADJUSTMENT" | bc);
+    echo $BRIGHTNESS
+else
+    echo "Invalid argument. Use '+' or '-'."
+    exit 1
+fi
 
 # Apply value
-xrandr --output eDP-1 --brightness $BRIGHTNESS
+xrandr --listmonitors | awk '{ print $ 4 }' | sed 's/\s*//g' | xargs -I {} xrandr --output {} --brightness $BRIGHTNESS
 
 # Notify
 #MSG_ID="991050"