addition.py 文件源码

def __init__(self, parent=None):
        super(SearchLineEdit, self).__init__()
        self.setObjectName("SearchLine")
        self.parent = parent
        self.setMinimumSize(218, 20)
        with open('QSS/searchLine.qss', 'r') as f:
            self.setStyleSheet(f.read())

        self.button = QPushButton(self)
        self.button.setMaximumSize(13, 13)
        self.button.setCursor(QCursor(Qt.PointingHandCursor))

        self.setTextMargins(3, 0, 19, 0)

        self.spaceItem = QSpacerItem(150, 10, QSizePolicy.Expanding)

        self.mainLayout = QHBoxLayout()
        self.mainLayout.addSpacerItem(self.spaceItem)
        # self.mainLayout.addStretch(1)
        self.mainLayout.addWidget(self.button)
        self.mainLayout.addSpacing(10)
        self.mainLayout.setContentsMargins(0, 0, 0, 0)
        self.setLayout(self.mainLayout)