class_docstr: A class for managing a circuit plot.
docstr: Draw a box for a single qubit gate.
docstr_tok: ["Draw","a","box","for","a","single","qubit","gate","."]
code: def one_qubit_box(self, t, gate_idx, wire_idx):
      """Draw a box for a single qubit gate."""
      x = self._gate_grid[gate_idx]
      y = self._wire_grid[wire_idx]
      self._axes.text(
          x,
          y,
          t,
          color="k",
          ha="center",
          va="center",
          bbox={
              "ec": "k",
              "fc": "w",
              "fill": True,
              "lw": self.linewidth,
          },
          size=self.fontsize,
      )
  
imports: from __future__ import annotations
  from sympy.core.mul import Mul
  from sympy.external import import_module
  from sympy.physics.quantum.gate import Gate, OneQubitGate, CGate, CGateS
label_desc: Use image node_id 11 for calling the CircuitPlot obj's underlying member method code with example usage: obj.one_qubit_box(t, gate_idx, wire_idx) without return types