Method get_event

Lib/_pyrepl/windows_console.py:389–434

Return an Event instance. Returns None if |block| is false and there is no event pending, otherwise waits for the completion of an event.

(self, block: bool = True)

        return rec

    def get_event(self, block: bool = True) -> Event | None:
        """Return an Event instance.  Returns None if |block| is false
        and there is no event pending, otherwise waits for the
        completion of an event."""
        if self.event_queue:
            return self.event_queue.pop()

        while True:
            rec = self._read_input(block)
            if rec is None:
                return None

            if rec.EventType == WINDOW_BUFFER_SIZE_EVENT:
                return Event("resize", "")

            if rec.EventType != KEY_EVENT or not rec.Event.KeyEvent.bKeyDown:
                # Only process keys and keydown events
                if block:
                    continue
                return None

            key = rec.Event.KeyEvent.uChar.UnicodeChar

            if rec.Event.KeyEvent.uChar.UnicodeChar == "\r":
                # Make enter make unix-like
                return Event(evt="key", data="\n", raw=b"\n")
            elif rec.Event.KeyEvent.wVirtualKeyCode == 8:
                # Turn backspace directly into the command
                return Event(
                    evt="key",
                    data="backspace",
                    raw=rec.Event.KeyEvent.uChar.UnicodeChar,
                )
            elif rec.Event.KeyEvent.uChar.UnicodeChar == "\x00":
                # Handle special keys like arrow keys and translate them into the appropriate command
                code = VK_MAP.get(rec.Event.KeyEvent.wVirtualKeyCode)
                if code:
                    return Event(
                        evt="key", data=code, raw=rec.Event.KeyEvent.uChar.UnicodeChar
                    )
                if block:
                    continue

                return None

            return Event(evt="key", data=key, raw=rec.Event.KeyEvent.uChar.UnicodeChar)

    def push_char(self, char: int | bytes) -> None:
        """