'change wallpaper' option in toolbelt now returns to the original fzf window if escape is pressed

modules/home/scripts/wm-controls/chscheme.nix

@@ -0,0 +1,42 @@
+{
+  pkgs,
+}:
+pkgs.writeShellScriptBin "chscheme" ''
+selected_scheme=$(/usr/bin/env ls "$(nix-build '<nixpkgs>' -A base16-schemes)"/share/themes | \
+    sed 's/\.yaml//g' | \
+    fzf --preview 'cat $(nix-build "<nixpkgs>" -A base16-schemes)/share/themes/{}.yaml | \
+    while IFS=": " read -r key value; do \
+        if [[ $key =~ base0[0-9A-F] ]]; then \
+            clean_value=$(echo $value | tr -d "\""); \
+            r=$((16#''${clean_value:0:2})); \
+            g=$((16#''${clean_value:2:2})); \
+            b=$((16#''${clean_value:4:2})); \
+            printf "\033[48;2;%d;%d;%dm %-20s %s \033[0m\n" $r $g $b $key $clean_value; \
+        fi; \
+    done')
+
+if [[ -z "$selected_scheme" ]]; then
+    echo "Aborting color scheme change."
+    exit 1
+fi
+
+echo "$selected_scheme" | xargs -I {} sed -i '/base16scheme\s*=\s*"/s/"[^"]*"/"{}"/' "$FLAKEPATH"/flake.nix
+if [ $? -ne 0 ]; then
+    echo "Failed to change color scheme."
+    exit 1
+fi
+
+echo "Successfully changed system color scheme. Rebuild now?"
+select choice in "Yes" "No"; do
+    case $choice in
+        "Yes")
+            rebuild
+            exit 0
+            ;;
+        "No")
+            echo "Exiting..."
+            exit 0
+            ;;
+    esac
+done
+''