Add screenshare script

users/jalr/modules/sway/default.nix

@@ -40,6 +40,7 @@ in
 {
   imports = lib.optionals nixosConfig.jalr.gui.enable [
     ./gammastep.nix
+    ./screenshare.nix
     ./waybar.nix
     ./wofi.nix
     ./wofi-bluetooth.nix

users/jalr/modules/sway/screenshare.nix

@@ -0,0 +1,55 @@
+{ pkgs, ... }:
+{
+  home.packages = [
+    (
+      pkgs.writeShellScriptBin "screenshare" ''
+        # https://github.com/emersion/xdg-desktop-portal-wlr/issues/107
+
+        case "$1" in
+          start)
+            # Step 1: Create a new output
+            swaymsg create_output
+
+            # Step 2: Find the name of the newly created output
+            NEW_OUTPUT=$(swaymsg -t get_outputs | jq -r '.[] | select(.name | startswith("HEADLESS-")) | .name' | sort | tail -n 1)
+
+            # Check if the output was successfully created
+            if [ -z "$NEW_OUTPUT" ]; then
+                echo "Failed to create a new output."
+                exit 1
+            fi
+
+            # Step 3: Assign a workspace to the new output
+            swaymsg workspace sshr output "$NEW_OUTPUT"
+
+            # Step 4: Set the resolution for the new output
+            swaymsg output "$NEW_OUTPUT" resolution 1280x720
+
+            # Step 5: Set the background color for the new output
+            swaymsg output "$NEW_OUTPUT" bg "#220900" solid_color
+
+            # Step 6: Switch to workspace sshr and then back to the previous workspace
+            CURRENT_WORKSPACE=$(swaymsg -t get_workspaces | jq -r '.[] | select(.focused) | .name')
+            swaymsg workspace sshr
+            swaymsg workspace "$CURRENT_WORKSPACE"
+          ;;
+          stop)
+          headless_outputs=$(swaymsg -t get_outputs | jq -r '.[] | select(.name | startswith("HEADLESS-")) | .name')
+
+          # Check if there are any HEADLESS outputs
+          if [ -z "$headless_outputs" ]; then
+              echo "No HEADLESS outputs found."
+              exit 0
+          fi
+
+          # Unplug each HEADLESS output
+          for output in $headless_outputs; do
+              echo "Unplugging $output..."
+              swaymsg output "$output" unplug
+          done
+          ;;
+        esac
+      ''
+    )
+  ];
+}