mesh-network-project/desktop_app/ui/screens/main_screen.py

from textual.screen import Screen
from textual.widgets import Header, Footer, ContentSwitcher
from ui.widgets.home_sidebar import HomeSidebar
from ui.widgets.home_info import HomeInfo
from ui.widgets.channels_list import ChannelsList
from ui.widgets.chat_window import ChatWindow


class MainScreen(Screen):
    def compose(self):
        yield Header(show_clock=True)
        yield HomeSidebar()
        
        with ContentSwitcher(initial="home-info"):
            yield HomeInfo(id="home-info")
            yield ChannelsList(id="channels-list")
            yield ChatWindow(id="chat-window")
        
        yield Footer()