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| #!/bin/sh | |
| # Executes gtklock with pcmanfm-qt's configured wallpaper, as well as | |
| # setting the lock theme to a dark or light variant depending on overall | |
| # brightness of background. | |
| # Requires GraphicsMagick or ImageMagick to detect wallpaper | |
| # brightness. | |
| # Configure your LXQt Session Settings to use this as your custom | |
| # screen lock command. | |
| WALLPAPER=$(awk -F = '$1 == "Wallpaper" {print $2; exit}' < $XDG_CONFIG_HOME/pcmanfm-qt/lxqt/settings.conf) | |
| if [ -x /usr/bin/gm ]; then | |
| CONVERT="gm convert" | |
| elif [ -x /usr/bin/convert ]; then | |
| CONVERT=convert | |
| fi | |
| # Lock theme if wallpaper is bright. | |
| LOCK_THEME=Breeze | |
| if [ -n "$CONVERT" ] && ($CONVERT $WALLPAPER -gravity Center -resize 1x1 txt:- | awk -F[\(\)] '{FS = "[ ,]+"; $0 = $2; exit (($1 + $2 + $3) / 765 > 0.5)}'); then | |
| # Lock theme if wallpaper is dark. | |
| LOCK_THEME=Breeze-Dark | |
| fi | |
| exec gtklock --gtk-theme $LOCK_THEME --background $WALLPAPER |
Author
JJRcop
commented
May 7, 2025
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