Refactored db setup; extended layout to add header widget zone

src/core/containers/body_container.py

@@ -0,0 +1,44 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from .left_container import LeftContainer
+from .center_container import CenterContainer
+from .right_container import RightContainer
+
+
+
+class BodyContainer(Gtk.Box):
+    def __init__(self):
+        super(BodyContainer, self).__init__()
+
+        self.ctx = self.get_style_context()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+        self.show_all()
+
+
+    def _setup_styling(self):
+        self.set_orientation(Gtk.Orientation.HORIZONTAL)
+        self.ctx.add_class("body-container")
+        self.set_homogeneous(True)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+
+    def _load_widgets(self):
+        self.add(LeftContainer())
+        self.add(CenterContainer())
+        self.add(RightContainer())