From dd446ac279ec41cb6094404e03c532468157aeb6 Mon Sep 17 00:00:00 2001
From: InigoGutierrez <inigogf.95@gmail.com>
Date: Wed, 28 Feb 2024 11:57:06 +0100
Subject: setWindowSize.sh: Cycling through window sizes.

---
 setWindowSize.sh | 76 ++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 54 insertions(+), 22 deletions(-)

(limited to 'setWindowSize.sh')

diff --git a/setWindowSize.sh b/setWindowSize.sh
index 8eabd83..522d5b4 100755
--- a/setWindowSize.sh
+++ b/setWindowSize.sh
@@ -2,9 +2,9 @@
 
 # setWindowSize.sh: Sets the selected window size
 #
-# Usage: template.sh [-ac] [-b OPTARG] FILE...
+# Usage: setWindowSize.sh [-p|-n]
 
-usageMessage="Usage: ${0} [-ac] [-b OPTARG] FILE..."
+usageMessage="Usage: ${0} [-p|-n]"
 
 error() {
 	printf '%s error: %s\n' "$0" "$*" >&2
@@ -14,20 +14,28 @@ errorAndUsage() {
 	printf '%s error: %s\n%s\n' "$0" "$*" "$usageMessage" >&2
 }
 
+resolutions='214 120
+427 240
+720 480
+800 600
+854 480
+1280 720
+1920 1080'
+
+prev=''
+next=''
+newResolution=''
+
 # Process options
-while getopts ':ab:c' opt; do
+while getopts ':pn' opt; do
 	case $opt in
 
-		'a' )
-			echo a
-			;;
-
-		'b' )
-			echo b "$OPTARG"
+		'p' )
+			prev='y'
 			;;
 
-		'c' )
-			echo c
+		'n' )
+			next='y'
 			;;
 
 		'?' )
@@ -38,15 +46,39 @@ while getopts ':ab:c' opt; do
 done
 shift $((OPTIND - 1))
 
-resolution="$(\
-printf \
-'214 120
-427 240
-854 480
-720 480
-800 600
-1280 720
-1920 1080' |
-		dmenu -l 5 -p 'Resolution:')"
+windowId="$(xdotool getwindowfocus)"
+currentWidth="$(xwininfo -id "$windowId" | grep 'Width:' | awk '{print $2}')"
+currentHeight="$(xwininfo -id "$windowId" | grep 'Height:' | awk '{print $2}')"
+currentResolution="${currentWidth} ${currentHeight}"
+
+if [ -n "$prev" ] && [ -n "$next" ]; then
+
+	errorAndUsage '-p and -n can not be used together.'
+	exit 1
+
+elif [ -n "$next" ]; then
+
+	newResolution="$(printf '%s' "$resolutions" | grep -A 1 "^${currentResolution}$" | tail -n 1)"
+	# If resolution is the biggest, pick the smallest
+	if [ "$newResolution" = "$currentResolution" ]; then
+		newResolution="$(printf '%s' "$resolutions" | sed '1q')"
+	fi
+
+elif [ -n "$prev" ]; then
+
+	newResolution="$(printf '%s' "$resolutions" | grep -B 1 "^${currentResolution}$" | sed '1q')"
+	# If resolution is the smallest, pick the biggest
+	if [ "$newResolution" = "$currentResolution" ]; then
+		newResolution="$(printf '%s' "$resolutions" | tail -n 1)"
+	fi
+
+else
+
+	resolutionCount="$(printf '%s' "$resolutions" | wc -l)"
+	resolutionCount="$((resolutionCount + 1))"
+
+	newResolution="$(printf '%s' "$resolutions" | dmenu -l "$resolutionCount" -p 'Resolution:')"
+
+fi
 
-xdotool getwindowfocus -- windowsize $resolution
+xdotool getwindowfocus -- windowsize $newResolution
-- 
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