CLI Video player Listbox class

safe_listbox.py

# Horrorbox v1.4
# List box used for file panel with bounds checking

import urwid

class SafeListBox(urwid.ListBox):
    def keypress(self, size, key):
        if key in ('up', 'down'):
            focus_pos = self.focus_position
            max_pos = len(self.body) - 1

            if key == 'up' and focus_pos <= 0:
                return None  # Prevent going above the top
            elif key == 'down' and focus_pos >= max_pos:
                return None  # Prevent going below the bottom

        return super().keypress(size, key)