add multi-monitor support to i3lock, revert previous change

.i3/config

@@ -212,8 +212,7 @@ bar {
     output VGA-1
     output DP-1
     output HDMI-1
-    status_command i3status --config ~/.i3/status.conf
-#    status_command i3status --config ~/.i3/status_small.conf
+    status_command i3status --config ~/.i3/status_small.conf
     tray_output LVDS1
 }
 

bin/fancy-i3lock

@@ -12,6 +12,10 @@
 # :date: 8 June 2015
 # :version: 0.0.1
 ##############################################################################
+# fschl copy multi monitor features from
+#   https://github.com/guimeira/i3lock-fancy-multimonitor/blob/master/lock
+#
+
 set -e
 
 # subshell this shiz
@@ -25,13 +29,50 @@ set -e
     # BLURTYPE="2x8" # 2.90s
     # BLURTYPE="2x3" # 2.92s
 
+    DISPLAY_RE="([0-9]+)x([0-9]+)\\+([0-9]+)\\+([0-9]+)"
+    IMAGE_RE="([0-9]+)x([0-9]+)"
+    LOCK="$HOME/dotfiles/lock.png"
+    LOCK_INSIDE="/root/lock.png"
+    TEXT="i3session locked by @fschl"
+    PARAMS=""
+
+    # Get dimensions of the lock image:
+    LOCK_IMAGE_INFO=`identify $LOCK`
+    [[ $LOCK_IMAGE_INFO =~ $IMAGE_RE ]]
+    IMAGE_WIDTH=${BASH_REMATCH[1]}
+    IMAGE_HEIGHT=${BASH_REMATCH[2]}
+
     scrot $IMAGE
 
+    # Execute xrandr to get information about the monitors:
+    while read LINE
+    do
+        #If we are reading the line that contains the position information:
+        if [[ $LINE =~ $DISPLAY_RE ]]; then
+            #Extract information and append some parameters to the ones that will be given to ImageMagick:
+            WIDTH=${BASH_REMATCH[1]}
+            HEIGHT=${BASH_REMATCH[2]}
+            X=${BASH_REMATCH[3]}
+            Y=${BASH_REMATCH[4]}
+            POS_X=$(($X+$WIDTH/2-$IMAGE_WIDTH/2))
+            POS_Y=$(($Y+$HEIGHT/2-$IMAGE_HEIGHT/2))
+            # TEXT_X=$(($X+$WIDTH/2-$TEXT_WIDTH/2))
+            # TEXT_Y=$(($Y+$HEIGHT/2-$TEXT_HEIGHT/2+200))
+
+            # PARAMS="$PARAMS '$LOCK' '-geometry' '+$POS_X+$POS_Y' '-geometry' '+$TEXT_X+$TEXT_Y' '-composite'"
+            PARAMS="$PARAMS '$LOCK_INSIDE' '-geometry' '+$POS_X+$POS_Y' '-composite'"
+        fi
+    done <<<"`xrandr`"
+
+    #Execute ImageMagick:
+    PARAMS="'$IMAGE' '-level' '0%,100%,0.6' '-blur' '$BLURTYPE' $PARAMS '$IMAGE'"
+
+
     docker run --rm \
-	       -v $IMAGE:$IMAGE \
-	       -v $HOME/Pictures/lock.png:/root/lock.png \
-	       fschl/imagemagick \
-	       sh -c "convert $IMAGE -brightness-contrast -30x10 -level 0%,100%,0.6 -blur $BLURTYPE -gravity center - | composite -gravity center /root/lock.png - $IMAGE"
+           -v $IMAGE:$IMAGE \
+           -v $HOME/dotfiles/lock.png:/root/lock.png \
+           fschl/imagemagick \
+           sh -c "convert $PARAMS"
 
     i3lock -i $IMAGE