VerticalScroll limit/remove items?

[hemna]

Hello,
I am new to textual. I have an app that is listening for packets from a server and displaying a VerticalScroll area with each packet being displayed there. This is a long running app that can get thousands of packets per hour. It seems the VerticalScroll doesn't throw away items or limit the amount of items it can container, probably by design. I would like to limit the number of items in the VerticalScroll to a certain number so I don't get runaway memory consumption. How can I do this?

Here is the logic of my code...

Here is a segment of my App child class.

    def compose(self) -> ComposeResult:
        yield AppHeader(filter=self.filter)
        yield VerticalScroll(id="packet-view")
        yield Footer()

    def on_mount(self) -> None:
        """Start the APRS listener threads when app starts."""
        self._start_threads()

        # Start checking for packets
        self.check_packets()

    def on_unmount(self) -> None:
        """Stop threads when app exits."""
        threads.APRSDThreadList().stop_all()

    @work(exclusive=True)
    async def check_packets(self) -> None:
        """Check for new packets in a loop."""
        packet_view = self.query_one("#packet-view")
        self.packet_count = 0
        
        while True:
            try:
                # Non-blocking queue check
                packet = self.processed_queue.get_nowait()
                self.packet_count += 1
                await packet_view.mount(MyPacketDisplay(packet, packet_count=self.packet_count))
                # Scroll to bottom
                packet_view.scroll_end(animate=False)
            except queue.Empty:
                # No packets, wait a bit
                await asyncio.sleep(0.1)

[willmcgugan]

Nothing builtin. But shouldn't be hard to implement. You can get the widgets with self.children and remove a widget with widget.remove()