Add back more functions from Sway into Niri, add a standard naming scheme

modules/home/wms/sway/programs/screen-sway/default.nix

@@ -0,0 +1,44 @@
+{ pkgs, config, ... }:
+{
+  home.packages = with pkgs; [
+    (pkgs.writeScriptBin "screen-sway" ''
+      swappy() {
+        # Create an imv window to act as a static screen
+        grim -t jpeg -q 90 - | imv -w "GlobalShot" - & imv_pid=$!
+
+        # Capture the screenshot of the selected area and save to a temporary file
+        selected_area=$(swaymsg -t get_tree | jq -r '.. | select(.pid? and .visible?) | .rect | "\(.x),\(.y) \(.width)x\(.height)"'\
+        | XCURSOR_SIZE=40 slurp -w ${config.look.border.string} -c ${config.look.colors.prime} -B 00000066 -b 00000099)
+        temp_file=$(mktemp -u).png
+        grim -g "$selected_area" "$temp_file"
+        kill $imv_pid
+
+        # Copy the screenshot to the clipboard and clear the temp
+        ${pkgs.swappy}/bin/swappy -f - < "$temp_file"
+        rm "$temp_file"
+      }
+
+      screen() {
+        temp_file=$(mktemp -u).png
+        grim -o $(swaymsg -t get_outputs | jq -r '.[] | select(.focused) | .name') "$temp_file"
+
+        # Check if the screenshot was successfully taken
+        if [ $? -eq 0 ]; then
+          wl-copy < "$temp_file"
+          notify-send -i "$temp_file" "Current screen copied."
+          rm "$temp_file"
+        else
+          notify-send "Error: Unable to capture screenshot."
+        fi
+      }
+
+      if [ "$1" == "--swappy" ]; then
+        swappy
+      elif [ "$1" == "--screen" ]; then
+        screen
+      else
+        echo "Please use the arguments --swappy or --screen."
+      fi
+    '')
+  ];
+}