feat: standalone clipboard utility

dzgui/util/clip.py

@@ -0,0 +1,10 @@
+import gi
+
+gi.require_version("Gtk", "3.0")
+from gi.repository.Gdk import SELECTION_CLIPBOARD  # noqa E402
+from gi.repository.Gtk import Clipboard  # noqa E402
+
+
+def copy_clipboard(text: str) -> None:
+    clipboard = Clipboard.get(SELECTION_CLIPBOARD)
+    clipboard.set_text(text, -1)