From d5d7399ba108f5d8a082c1a8ff082bf7d7e6b9de Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@firemail.cc>
Date: Wed, 23 Aug 2023 18:42:29 +0530
Subject: wayland: blurred lockscreen support

---
 .config/wayland/winit |  2 +-
 .local/bin/cwall      | 86 +++++++++++++++++++++++++++------------------------
 2 files changed, 46 insertions(+), 42 deletions(-)

diff --git a/.config/wayland/winit b/.config/wayland/winit
index 166d98b..ef933d3 100755
--- a/.config/wayland/winit
+++ b/.config/wayland/winit
@@ -8,7 +8,7 @@ if ! command -v systemctl > /dev/null; then
 fi
 
 # background
-swaybg -m fill -i "${XDG_DATA_HOME:-$HOME/.local/share}/wallpaper" &
+swaybg -m fill -i "${XDG_DATA_HOME:-$HOME/.local/share}/wallpaper/desktop" &
 echo $! > "${XDG_RUNTIME_DIR:-${TMPDIR:-/tmp}}/swaybg.pid" &
 
 # notification deamon
diff --git a/.local/bin/cwall b/.local/bin/cwall
index c20abb3..ad670fc 100755
--- a/.local/bin/cwall
+++ b/.local/bin/cwall
@@ -1,8 +1,9 @@
 #!/bin/sh
 
-bgpid="${XDG_RUNTIME_DIR:-${TMPDIR:-/tmp}}/swaybg.pid"
-bgroot="${XDG_DATA_HOME:-$HOME/.local/share}"
-bgimg="${bgroot}/wallpaper"
+bgdpid="${XDG_RUNTIME_DIR:-${TMPDIR:-/tmp}}/swaybg.pid"
+bgroot="${XDG_DATA_HOME:-$HOME/.local/share}/wallpaper"
+bgdesk="${bgroot}/desktop"
+bglock="${bgroot}/lockscreen"
 
 die()
 {
@@ -32,6 +33,11 @@ dep_check()
 	unset dep
 }
 
+mimetype()
+{
+	file --brief --dereference --mime-type "$1"
+}
+
 randimg()
 {
 	# usage: randbg dir
@@ -52,18 +58,18 @@ randimg()
 			-o -iname "*.webp" | shuf -n1)"
 
 		[ -z "$img" ] &&
-			break;
+			return 1
 
 		# make sure the file is an actual image
-		case "$(file --brief --dereference --mime-type "$img")" in
+		case "$(mimetype "$img")" in
 		"image/"*)
 			echo "$img"
-			break;
+			break
 			;;
 		*)
 			attempt=$((attempt + 1))
 			[ "$attempt" -gt "$maxattempts" ] &&
-				break;
+				return 1
 		esac
 	done
 }
@@ -72,39 +78,37 @@ updatewall()
 {
 	: "${1:?}"
 
-	rm -f "$bgimg"
-	cp  "$1" "$bgimg"
-
-	[ -s "$bgpid" ] &&
-		kill -9 "$(cat "$bgpid")"
-	swaybg --mode fill --image "$bgimg" > /dev/null 2>&1 &
-	echo $! > "$bgpid"
-}
-
-main()
-{
-	[ ! -r "$1" ] &&
-		usage && exit 1;
-	[ ! -d "$bgroot" ] &&
-		mkdir -p "$bgroot"
-
-	dep_check swaybg file
-
-	case "$(file --brief --dereference --mime-type "$1")" in
-	"image/"*)
-		updatewall "$1"
-		;;
-	"inode/directory")
-		img=$(randimg "$1")
-		[ -z "$img" ] &&
-			die "no image file in directory"
-
-		updatewall "$img"
-		;;
-	*)
-		die "invalid image file"
-		;;
-	esac
+	rm -f "$bgdesk"
+	cp  "$1" "$bgdesk"
+
+	[ -s "$bgdpid" ] &&
+		kill -9 "$(cat "$bgdpid")"
+	swaybg --mode fill --image "$bgdesk" > /dev/null 2>&1 &
+	echo $! > "$bgdpid"
+
+	if command -v ffmpeg > /dev/null; then
+		rm -f "$bglock"
+		ffmpeg -loglevel quiet \
+			-i "$bgdesk" -vf "boxblur=50" -f mjpeg "$bglock"
+	else
+		ln -fs "$bgdesk" "$bglock"
+	fi
 }
 
-main "$@"
+########
+# MAIN #
+########
+
+[ ! -r "$1" ] && usage && exit 1
+[ ! -d "$bgroot" ] && mkdir -p "$bgroot"
+dep_check swaybg file
+
+case "$(mimetype "$1")" in
+"image/"*) updatewall "$1" ;;
+"inode/directory")
+	img=$(randimg "$1") ||
+		die "no image file in directory"
+	updatewall "$img"
+	;;
+*) die "invalid image file"
+esac
-- 
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