PyQt自定义控件玩法

自定义控件，事件机制，如何让UI元素更丰富!

from PySide2 import QtWidgets

class QLineEditPath(QtWidgets.QLineEdit):

    def __init__(self, parent=None):
        super(QLineEditPath, self).__init__(parent)

    def dragEnterEvent(self, event):

        if event.mimeData().hasUrls():
            event.accept()
        else:
            event.ignore()

    def dropEvent(self, event):

        if event.mimeData().hasUrls():
            url = event.mimeData().urls()[0]
            self.setText(url.toLocalFile())

dialog = QLineEditPath()
dialog.show()

from PySide2 import QtCore
from PySide2 import QtWidgets

class QLineEditPath(QtWidgets.QLineEdit):

    def __init__(self, parent=None):
        super(QLineEditPath, self).__init__(parent)

    def keyPressEvent(self, event):
        if event.key() == QtCore.Qt.Key_Return:
            self.setText(self.text().replace("\\", "/"))
        else:
            QtWidgets.QLineEdit.keyPressEvent(self, event)

dialog = QLineEditPath()
dialog.show()

class QPublishedFileItem(QtWidgets.QWidget):

    def __init__(self, file_name, file_type, parent=None):
        super(QPublishedFileItem, self).__init__(parent)

        vblFile = QtWidgets.QVBoxLayout()

        lPublishedFileName = QtWidgets.QLabel(file_name)
        lPublishedFileType = QtWidgets.QLabel(file_type)
        # lPublishedFileName = QtWidgets.QLabel("<span style='font-weight: bold;'>lgt_autosphere_02.v007.nk</span> Version 007 (Task lgt_autosphere_02)")
        # lPublishedFileType = QtWidgets.QLabel("<span style='font-size: 10px;'><span style='color: #2e93e2;'>Nuke Script</span> by xu tao at 2020-02-05 17:40</span>")
        vblFile.addWidget(lPublishedFileName)
        vblFile.addWidget(lPublishedFileType)

        hblAction = QtWidgets.QHBoxLayout()
        self.pbAction = QtWidgets.QPushButton("Action")
        self.pbAction.hide()
        self.mAction = QtWidgets.QMenu()
        self.pbAction.setMenu(self.mAction)
        hblAction.addLayout(vblFile)
        spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
        hblAction.addItem(spacerItem)
        hblAction.addWidget(self.pbAction)

        vblPublishedFile = QtWidgets.QVBoxLayout()
        # vblPublishedFile.addLayout(vblThumbnail)
        vblPublishedFile.addLayout(hblAction)
        self.setLayout(vblPublishedFile)

fileName = "<span style='font-weight: bold;'>lgt_autosphere_02.v007.nk</span> Version 007 (Task lgt_autosphere_02)"
fileType = "<span style='font-size: 10px;'><span style='color: #2e93e2;'>Nuke Script</span> by xu tao at 2020-02-05 17:40</span>"
dialog = QPublishedFileItem(fileName, fileType)
dialog.show()