From ed0b3da264b0cc96d26948285e920b02b1c6c5b8 Mon Sep 17 00:00:00 2001
From: dabruh <11458706-dabruh@users.noreply.gitlab.com>
Date: Fri, 10 Jun 2022 17:30:12 +0200
Subject: [PATCH] Implemented blurred lock screen.

---
 .installer/packages |  4 ++--
 .local/bin/i3exit   | 31 ++++++++++++++++++++++++++-----
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/.installer/packages b/.installer/packages
index 5a6200f..b574d32 100644
--- a/.installer/packages
+++ b/.installer/packages
@@ -1,6 +1,6 @@
 pacman-any:i3-gaps,feh,i3status,network-manager-applet,pasystray,xautolock,inotify-tools,xss-lock,noto-fonts-emoji
 pacman-any:gst-libav,phonon-qt5-gstreamer,gst-plugins-good,qt5-quickcontrols,qt5-graphicaleffects,qt5-multimedia
-pacman-any:code,vim,ufw
+pacman-any:code,vim,ufw,scrot
 pacman-laptop:brightnessctl
 aur-any:picom-git,flashfocus-git,sddm-theme-aerial-git
 
@@ -9,7 +9,7 @@ apt-any:libxext-dev,libxcb1-dev,libxcb-damage0-dev,libxcb-xfixes0-dev,libxcb-sha
 apt-any:python3,python3-pip
 apt-any:libxcb-render0-dev,libffi-dev,python-dev,python-cffi
 apt-any:sddm,gstreamer1.0-libav,phonon4qt5-backend-gstreamer,gstreamer1.0-plugins-good,qml-module-qtquick-controls,qml-module-qtgraphicaleffects,qml-module-qtmultimedia,qt5-default
-apt-any:codium,vim,ufw
+apt-any:codium,vim,ufw,scrot
 apt-laptop:brightnessctl
 
 pip-any:flashfocus
diff --git a/.local/bin/i3exit b/.local/bin/i3exit
index 1c261f0..02ae60d 100755
--- a/.local/bin/i3exit
+++ b/.local/bin/i3exit
@@ -7,20 +7,40 @@
 # with openrc use loginctl
 [[ $(cat /proc/1/comm) == "systemd" ]] && logind=systemctl || logind=loginctl
 
+LOCK_SCREEN_BLUR=${LOCK_SCREEN_BLUR:-false}
 LOCK_SCREEN_COLOR=${LOCK_SCREEN_COLOR:-29414f}
 
+_lock() {
+    i3lock -c "$LOCK_SCREEN_COLOR"
+}
+
+_unlock() {
+    pkill -u "$USER" -f "i3lock -(c|i) "
+}
+
 lock() {
-    if command -v blurlock >/dev/null; then
-        blurlock
-        return 0
+    local screen=/tmp/screenshot.png blurred=/tmp/screenshotblur.png
+
+    _lock # Lock immediately
+
+    if $LOCK_SCREEN_BLUR; then
+        # Take screenshot and blur it
+        scrot -q 100 $screen || return 1 # Larger file size, but faster
+        convert -scale 10% -blur 0x1.25 -resize 1000% $screen $blurred || return 1
+        rm $screen
+
+        # Now try to replace the solid color with the blurred image.
+        _unlock
+        i3lock -i $blurred || _lock
     fi
 
-    i3lock --color="$LOCK_SCREEN_COLOR"
+    # Add a small delay to prevent possible race conditions with suspend
+    sleep 1
 }
 
 case "$1" in
     lock)
-        lock
+        lock; echo $?
         ;;
     logout)
         i3-msg exit
@@ -51,6 +71,7 @@ case "$1" in
         echo "== ! i3exit: missing or invalid argument ! =="
         $0 help
         exit 2
+        ;;
 esac
 
 exit 0