pyqt-todolist/view/ToDoItem.py

from PyQt5 import QtGui
from PyQt5.QtCore import Qt, pyqtSignal
from PyQt5.QtGui import QPixmap, QIcon
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt

from utils.BasicUtils import change_value


class Button(QPushButton):
    trans_signal = pyqtSignal()

    def __init__(self):
        super(Button, self).__init__()

    def mouseReleaseEvent(self, e: QtGui.QMouseEvent) -> None:
        self.trans_signal.emit()



    # def mousePressEvent(self, QMouseEvent):
        # print('haha')

    # def clicked(self, checked: bool = ...):
    #     self.trans_signal.emit()


class ToDoItem(QListWidgetItem):
    transaction = pyqtSignal()
    """
    :param todo_name : 新建的待办事项名称
    :param uid : 待办事项的uid
    """

    # todo : 设置点击事件信号传递
    def __init__(self, todo_name, uid=None):
        super(ToDoItem, self).__init__()
        # print('<ToDoItem> 添加的新ToDo：' + todo_name)

        self.widget = QWidget()
        layout = QHBoxLayout()

        # self.widget.setMinimumHeight(100)
        self.widget.setLayout(layout)
        self.widget.show()
        self.mark_icon = QPushButton()
        self.mark_icon.setObjectName('todo_mark_icon')
        self.mark_icon.setIcon(
            QIcon(QPixmap('../images/circle.svg').scaled(200, 200, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)))
        self.todo_label = QLabel()
        self.todo_label.setAlignment(Qt.AlignCenter)
        if todo_name:
            self.todo_label.setText(str(todo_name))
        self.important_button = QPushButton()
        self.important_button.setIcon(
            QIcon(QPixmap('../images/star_list.svg').scaled(30, 30, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)))
        self.important_button.setObjectName('mark_important')
        layout.addWidget(self.mark_icon, 2)
        layout.addWidget(self.todo_label, 6)
        layout.addWidget(self.important_button, 2)

        self.mark_icon.clicked.connect(self.set_done)
        print('<ToDoItem>', uid)

        self.important_button.clicked.connect(lambda: self.set_important(uid))
        # self.mark_icon.trans_signal.connect(self.set_done)

    def set_done(self):
        print('<ToDoItem>hello')
        pass

    def set_myday(self, uid):
        change_value(uid, 'done', True)
        pass

    def set_important(self, uid):
        # important = Important()
        # important.load_important.emit()
        # self.action.emit()
        print('<ToDoItem>',uid)

        change_value(uid, 'isImportant', True)
        # self.transaction.emit()
        pass