screen shot

modules/applications/labwc/home.nix

@@ -1,5 +1,7 @@
 { lib, pkgs, ... }:
 let
+  screenshot = import ./screenshot.nix { inherit pkgs; };
+
   systemctl = lib.getExe' pkgs.systemd "systemctl";
 
   keybind = key: actionAttrs: {
@@ -38,6 +40,8 @@ let
   };
 in
 {
+  home.packages = [ screenshot ];
+
   wayland.windowManager.labwc = {
     enable = true;
     # NixOS owns the package so Home Manager only generates the user config.
@@ -75,6 +79,9 @@ in
           (snapToEdge "W-C-Up" "up")
           (snapToEdge "W-C-Down" "down")
           (confirmAction "W-S-e" "Exit labwc?" "Exit")
+          (execute "Print" "labwc-screenshot region")
+          (execute "C-Print" "labwc-screenshot output")
+          (execute "A-Print" "labwc-screenshot all")
 
           # spawn applications (sync with niri modules/applications/niri/home.nix)
           (execute "W-t" "ghostty")

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"
+  '';
+}