feat: dzgui 7 alpha

dzgui/util/margins.py

@@ -0,0 +1,12 @@
+import gi  # noqa E402
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk
+
+def set_surrounding_margins(widget: Gtk.Widget, margin: int) -> None:
+    """
+    Utility function that sets all margins
+    on a widget to a uniform integer value
+    """
+    widget.set_margin_top(margin)
+    widget.set_margin_start(margin)
+    widget.set_margin_end(margin)