pyqt-todolist/view/AddListLabel.py

import os

from PyQt5.QtCore import pyqtSignal
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *


class AddListAction(QLabel):
    create_todo_list = pyqtSignal()

    def __init__(self):
        super(AddListAction, self).__init__()
        self.widget = QWidget(self)
        self.widget.setMaximumHeight(50)
        self.setObjectName('AddListAction')
        layout = QHBoxLayout()
        self.widget.setLayout(layout)
        self.add_image = QLabel()

        self.add_image.setPixmap(QPixmap(os.getcwd() + '/../images/add.png'))
        # self.add_image.setObjectName('pic_label')

        self.add_text = QLabel("新建列表")
        layout.addWidget(self.add_image, 3)
        layout.addWidget(self.add_text, 4)

    # def mousePressEvent(self, QMouseEvent):
    #     print('按下QLabel')
    #     self.setStyleSheet('background-color:#9f9f9f;')

    def mouseReleaseEvent(self, QMouseEvent):
        print('释放QLabel')
        self.create_todo_list.emit()
        self.setStyleSheet('background-color:#eaeaea;')