from PySide6.QtWidgets import *
from PySide6.QtCore import *
from PySide6.QtGui import *

class Button(QPushButton):
    def __init__(self,*args,**kwargs):
        super().__init__(*args,**kwargs)
        self.is_pressed = False #�Á�׷ۙ���(bi��o)�Ƿ���

    def mousePressEvent(self, e):
        self.is_pressed = True
        self.update()
        super().mousePressEvent(e)

    def mouseReleaseEvent(self, e):
        self.is_pressed = False
        self.update()
        super().mouseReleaseEvent(e)

    def paintEvent(self, arg__1):
        # super().paintEvent(arg__1)
        painter = QPainter(self)

        if self.is_pressed:
            pen_color = Qt.blue
            brush_color = Qt.green
            pen = QPen(pen_color,6)
        else:
            pen_color = Qt.blue
            brush_color = Qt.red
            pen = QPen(pen_color, 2)


        x = self.rect()
        x.adjust(5,5,-5,-5)

        painter.setPen(pen)
        painter.setBrush(brush_color)
        painter.drawEllipse(x)




class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.resize(800,600)
        self.setWindowTitle("��^��")

        self.btn = Button("button",self)
        self.btn.move(50,50)
        self.btn.resize(100,100)

        self.btn.clicked.connect(lambda :print("���o���c����"))





if __name__ == '__main__':
    import sys
    app = QApplication(sys.argv)
    win = Window()
    win.show()
    sys.exit(app.exec())

    # class Animal:
    #     def speak(self):
    #         pass
    #
    # class Dog(Animal):
    #     def speak(self):
    #         print("��������")
    #
    # class Cat(Animal):
    #     def speak(self):
    #         print("��������")
    #
    #
    # d = Dog()
    # c = Cat()
    # d.speak()
    # c.speak()