screen shot

modules/applications/labwc/screenshot.nix

@@ -0,0 +1,50 @@
+{ pkgs }:
+
+pkgs.writeShellApplication {
+  name = "labwc-screenshot";
+
+  runtimeInputs = with pkgs; [
+    coreutils
+    grim
+    slurp
+    wl-clipboard
+    xdg-user-dirs
+  ];
+
+  text = ''
+    mode="''${1:-region}"
+
+    pictures_dir="$(xdg-user-dir PICTURES)"
+    if [[ -z "$pictures_dir" ]]; then
+      pictures_dir="$HOME/Pictures"
+    fi
+
+    output_dir="$pictures_dir/Screenshots"
+    output_file="$output_dir/Screenshot from $(date '+%Y-%m-%d %H-%M-%S').png"
+
+    mkdir -p "$output_dir"
+
+    case "$mode" in
+      region)
+        geometry="$(slurp)" || exit 0
+        grim -g "$geometry" "$output_file"
+        ;;
+
+      output)
+        geometry="$(slurp -o)" || exit 0
+        grim -g "$geometry" "$output_file"
+        ;;
+
+      all)
+        grim "$output_file"
+        ;;
+
+      *)
+        echo "Unknown screenshot mode: $mode" >&2
+        exit 2
+        ;;
+    esac
+
+    wl-copy --type image/png < "$output_file"
+  '';
+}