Question

到目前为止，这是我的代码（基于此问题-PyQt5 ListWidget add list items）：

import sys
from PyQt5.QtWidgets import (QWidget, QApplication, QPushButton, QLabel,
                             QListWidget, QListWidgetItem, QVBoxLayout)
from PyQt5.QtCore import QRect, QPropertyAnimation, Qt
from PyQt5.QtGui import QPixmap

class QCustomQWidget (QWidget):
    def __init__(self, parent=None):
        super(QCustomQWidget, self).__init__(parent)

        self.widgetLayout = QVBoxLayout()

        self.button = QPushButton()
        # self.button.setCheckable(True)

        self.frame = QLabel()

        self.widgetLayout.addWidget(self.button)
        self.widgetLayout.addWidget(self.frame)

        self.setLayout(self.widgetLayout)

    def setButtonUp(self, text):
        self.button.setText(text)

    def setFrameUp(self, imagePath):
        self.frame.setPixmap(QPixmap(imagePath))


class Example(QWidget):

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

        self.docHolder = QListWidget(self)

        for title, image in [('Section 1', 'icon.png'),
                         ('Section 2', 'icon.png'),
                         ('Section 3', 'icon.png')]:
            myQCustomQWidget = QCustomQWidget()
            myQCustomQWidget.button(title)
            myQCustomQWidget.frame(image)

            # Create QListWidgetItem
            myQListWidgetItem = QListWidgetItem(self.myQListWidget)
            # Set size hint
            myQListWidgetItem.setSizeHint(myQCustomQWidget.sizeHint())
            self.myQListWidget.addItem(myQListWidgetItem)
            self.myQListWidget.setItemWidget(myQListWidgetItem,
                                         myQCustomQWidget)

        self.setGeometry(300, 100, 400, 600)
        self.setWindowTitle('Composite Widget')
        self.show()


if __name__ == "__main__":

    app = QApplication([])
    ex = Example()
    ex.show()
    app.exec_()

当我运行它时，这是回溯：

runfile('D:/PythonCode/Composite_Widget.py', wdir='D:/PythonCode')
Traceback (most recent call last):

File "<ipython-input-2-6c158bdcea54>", line 1, in <module>
runfile('D:/PythonCode/Composite_Widget.py', wdir='D:/PythonCode')

File "D:\WPy-3701\python-3.7.0.amd64\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 678, in runfile
execfile(filename, namespace)

File "D:\WPy-3701\python-3.7.0.amd64\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 106, in execfile
exec(compile(f.read(), filename, 'exec'), namespace)

File "D:/PythonCode/Composite_Widget.py", line 79, in <module>
ex = Example()

File "D:/PythonCode/Composite_Widget.py", line 60, in __init__
myQCustomQWidget.button(title)

TypeError: 'QPushButton' object is not callable

我尝试在PyQt5中寻找解决方案，但没有结果。我尝试将QPushButton与其他小部件交换，但仍然出现“不可调用”的情况。在PyQt5中执行此操作的正确方法是什么？

此外，我想在按钮上使用QSignalMapper来触发事件。这可能吗，还是需要进一步修改代码？

python pyqt-QListWidget项目不可调用

0 个答案: