feat: HeadingFrame class

dzgui/views/components/frame.py

@@ -0,0 +1,21 @@
+from dzgui.util import strings, css, open_links
+
+import gi
+
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk  # noqa
+
+class HeadingFrame(Gtk.Box):
+    def __init__(self, widget: Gtk.Widget, heading: str) -> None:
+        super().__init__(orientation=Gtk.Orientation.VERTICAL)
+
+        label = Gtk.Label(label=heading)
+        label.set_halign(Gtk.Align.START)
+        # TODO: rename selector
+        css.add_class(label, "settings-subheading")
+
+        frame = Gtk.Frame(hexpand=True)
+        frame.add(widget)
+        frame.set_label_widget(label)
+
+        self.add(frame)