效果预览

实现代码

from PyQt5.QtWidgets import QCheckBox, QApplication, QWidget, QVBoxLayout
from PyQt5.QtCore import Qt, QRect, QPropertyAnimation, QEasingCurve, pyqtProperty
from PyQt5.QtGui import QPainter, QColor, QPen, QFont


class CompactSwitchCheckbox(QCheckBox):
    def __init__(self, parent=None):
        super().__init__(parent)
        # 调整控件的整体尺寸为 60x30
        self.setFixedSize(60, 30)