main.py 文件源码

def paintEvent(self, event=None):
        painter = QtGui.QPainter(self)
        if self.color is not None:
            painter.setBrush(QtGui.QBrush(self.color))
            rect = self.rect()
            margins = self.contentsMargins()
            new_rect = QtCore.QRect(rect.left()+margins.left(),
                                    rect.top()+margins.top(),
                                    rect.width()-margins.right()*2,
                                    rect.height()-margins.bottom()*2)
            painter.drawRect(new_rect)