Method _next_id

SLiCAP/schematic/canvas.py:530–538

(self, symbol_name: str)

        self.placing_cancelled.emit()

    def _next_id(self, symbol_name: str) -> str:
        # Number per-PREFIX (not per-symbol): symbols that share a refdes prefix
        # — every subcircuit block uses 'X', and e.g. nmos/pmos both use 'M' —
        # must draw from one counter so their refdes never collide.  from_data
        # seeds these counters with the same key (keep them in sync).
        prefix = SYMBOL_PREFIX.get(symbol_name, "X")
        n = self._counters.get(prefix, 1)
        self._counters[prefix] = n + 1
        return f"{prefix}{n}"

    def start_junction_placement(self):
        self._end_wire(commit=False)