From 051095fc8334dea0cd6d521152f222b454071c84 Mon Sep 17 00:00:00 2001
From: Aaron Ball <nullspoon@oper.io>
Date: Fri, 15 Oct 2021 14:59:43 -0600
Subject: screenshot:refactor and support Wayland

This refactors screenshot somewhat so it uses better variable names,
curly brace syntax, and quotes. It also better handles being called when
a display manager can't be detected.

This also adds support for wayland, with a second set of requirements
for `grim` and `slurp` if Wayland is detected as the display manager.
---
 screenshot.sh | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/screenshot.sh b/screenshot.sh
index e3b638d..02dca78 100755
--- a/screenshot.sh
+++ b/screenshot.sh
@@ -3,20 +3,31 @@
 # A simple screenshot script. Very handy for calling a specific from a window
 # manager using custom hotkeys (eg: i3)
 #
-# Requirements:
+# Requirements (X11):
 #   imagemagick
 #
-savePath=~/Pictures/screenshots/
+# Requirements (Wayland):
+#   slurp (for getting screenshot geometry)
+#   grim  (for taking the actual screenshot)
+#
+savepath=~/Pictures/screenshots/
 
-if [[ ! -d $savePath ]]; then
-	mkdir -p $savePath
+if [ ! -d "${savepath}" ]; then
+	mkdir -p "${savepath}"
 fi
 
 # Wait two seconds
-sleep 2;
+sleep 2
 
 # Get our file suffix
-date=`date '+%Y%m%d-%H%M%S'`
+date="$(date '+%Y%m%d-%H%M%S')"
 
 # And action!
-import $savePath/screen.$date.jpg
+if [ -n "${WAYLAND_DISPLAY}" ]; then
+  grim -g "$(slurp -w 4)" "${savepath}/screen.${date}.jpg"
+elif [ -n "${DISPLAY}" ]; then
+  import "${savepath}/screen.${date}.jpg"
+else
+  printf 'ERROR: Could not detect display manager\n'
+  exit 1
+fi
-- 
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