def _setup_main_content(self):
'''
Sets up the main content area. It is a persistent GUI component
'''
# Main content area
self.content = PanedWindow(self.root, orient=HORIZONTAL)
self.content.grid(column=0, row=1, sticky=(N, S, E, W))
# Create subregions of the content
self._setup_file_lists()
self._setup_code_area()
self._setup_inspector()
# Set up weights for the left frame's content
self.content.columnconfigure(0, weight=1)
self.content.rowconfigure(0, weight=1)
self.content.pane(0, weight=1)
self.content.pane(1, weight=2)
self.content.pane(2, weight=1)
