chore: move HBox, VBox classes

dzgui/views/components/box.py

@@ -0,0 +1,25 @@
+from typing import Sequence
+
+import gi
+
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk  # noqa
+
+
+class GenericBox(Gtk.Box):
+    def __init__(self, orientation: Gtk.Orientation, spacing: int = 0) -> None:
+        super().__init__(orientation=orientation, spacing=spacing)
+
+    def extend(self, els: Sequence[Gtk.Widget]) -> None:
+        for el in els:
+            self.add(el)
+
+
+class HBox(GenericBox):
+    def __init__(self, spacing: int = 0) -> None:
+        super().__init__(orientation=Gtk.Orientation.HORIZONTAL, spacing=spacing)
+
+
+class VBox(GenericBox):
+    def __init__(self, spacing: int = 0) -> None:
+        super().__init__(orientation=Gtk.Orientation.VERTICAL, spacing=spacing)