jacebrowning / doorstop

        def frame_tree(root):

            """Frame for the current document."""

            # Configure grid

            frame = ttk.Frame(root, **kw_f)

            frame.rowconfigure(0, weight=1)

            frame.columnconfigure(0, weight=0)

            frame.columnconfigure(1, weight=1)

            # Place widgets

            ttk.Label(frame, text="Document:").grid(row=0, column=0, **kw_gp)

            self.combobox_documents = ttk.Combobox(frame, textvariable=self.stringvar_document, state='readonly')

            self.combobox_documents.grid(row=0, column=1, **kw_gsp)

            return frame

        def frame_document(root):

            """Frame for current document's outline and items."""

            # Configure grid

            frame = ttk.Frame(root, **kw_f)

        # Create widgets

        def frame_project(root):

            """Frame for the current project."""

            # Configure grid

            frame = ttk.Frame(root, **kw_f)

            frame.rowconfigure(0, weight=1)

            frame.columnconfigure(0, weight=0)

            frame.columnconfigure(1, weight=1)

            # Place widgets

            ttk.Label(frame, text="Project:").grid(row=0, column=0, **kw_gp)

            ttk.Entry(frame, textvariable=self.stringvar_project).grid(row=0, column=1, **kw_gsp)

            return frame

        def frame_tree(root):

            """Frame for the current document."""

            # Configure grid

            frame = ttk.Frame(root, **kw_f)