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Python PyQt5 QListWidget自定义项_Python_Pyqt5_Sys_Qlistwidget_Qlistwidgetitem - Fatal编程技术网

Python PyQt5 QListWidget自定义项

Python PyQt5 QListWidget自定义项,python,pyqt5,sys,qlistwidget,qlistwidgetitem,Python,Pyqt5,Sys,Qlistwidget,Qlistwidgetitem,我对PyQt5非常陌生,我正在尝试在python3+中为qlistwidget创建一个自定义qlistwidgetitem,但到目前为止没有成功 我喜欢并尝试移植的原始代码来自此链接。不幸的是,它位于PyQt4中: 欢迎提供任何帮助。PyQt4和PyQt5之间的差异 myQListWidgetItem=qtwidts.QListWidgetItem(self.myQListWidget)这是我唯一不明白的一行。这是否将该项实例化为列表、列表的子项或其他内容?@MichaelEffraimidi

我对PyQt5非常陌生,我正在尝试在python3+中为qlistwidget创建一个自定义qlistwidgetitem,但到目前为止没有成功

我喜欢并尝试移植的原始代码来自此链接。不幸的是,它位于PyQt4中:


欢迎提供任何帮助。

PyQt4和PyQt5之间的差异


myQListWidgetItem=qtwidts.QListWidgetItem(self.myQListWidget)这是我唯一不明白的一行。这是否将该项实例化为列表、列表的子项或其他内容?@MichaelEffraimidis我已成功创建了自定义小部件列表。如何以有效的方式删除它(列表是动态的)?我尝试使用myQListWidget.removeItemWidget(myQCustomQWidget),但它会删除错误“参数1具有意外的类型‘myQCustomQWidget’。我是否必须保留并使用myQListWidgetItem变量,还是有更有效的方法?@MichaelEffraimidis如果您有其他问题,您应该创建一个新问题。
import sys
from PyQt4 import QtGui

class QCustomQWidget (QtGui.QWidget):
    def __init__ (self, parent = None):
        super(QCustomQWidget, self).__init__(parent)
        self.textQVBoxLayout = QtGui.QVBoxLayout()
        self.textUpQLabel    = QtGui.QLabel()
        self.textDownQLabel  = QtGui.QLabel()
        self.textQVBoxLayout.addWidget(self.textUpQLabel)
        self.textQVBoxLayout.addWidget(self.textDownQLabel)
        self.allQHBoxLayout  = QtGui.QHBoxLayout()
        self.iconQLabel      = QtGui.QLabel()
        self.allQHBoxLayout.addWidget(self.iconQLabel, 0)
        self.allQHBoxLayout.addLayout(self.textQVBoxLayout, 1)
        self.setLayout(self.allQHBoxLayout)
        # setStyleSheet
        self.textUpQLabel.setStyleSheet('''
            color: rgb(0, 0, 255);
        ''')
        self.textDownQLabel.setStyleSheet('''
            color: rgb(255, 0, 0);
        ''')

    def setTextUp (self, text):
        self.textUpQLabel.setText(text)

    def setTextDown (self, text):
        self.textDownQLabel.setText(text)

    def setIcon (self, imagePath):
        self.iconQLabel.setPixmap(QtGui.QPixmap(imagePath))

class exampleQMainWindow (QtGui.QMainWindow):
    def __init__ (self):
        super(exampleQMainWindow, self).__init__()
        # Create QListWidget
        self.myQListWidget = QtGui.QListWidget(self)
        for index, name, icon in [
            ('No.1', 'Meyoko',  'icon.png'),
            ('No.2', 'Nyaruko', 'icon.png'),
            ('No.3', 'Louise',  'icon.png')]:
            # Create QCustomQWidget
            myQCustomQWidget = QCustomQWidget()
            myQCustomQWidget.setTextUp(index)
            myQCustomQWidget.setTextDown(name)
            myQCustomQWidget.setIcon(icon)
            # Create QListWidgetItem
            myQListWidgetItem = QtGui.QListWidgetItem(self.myQListWidget)
            # Set size hint
            myQListWidgetItem.setSizeHint(myQCustomQWidget.sizeHint())
            # Add QListWidgetItem into QListWidget
            self.myQListWidget.addItem(myQListWidgetItem)
            self.myQListWidget.setItemWidget(myQListWidgetItem, myQCustomQWidget)
        self.setCentralWidget(self.myQListWidget)

app = QtGui.QApplication([])
window = exampleQMainWindow()
window.show()
sys.exit(app.exec_())
import sys
#from PyQt4 import QtGui
from PyQt5 import QtGui, QtWidgets


class QCustomQWidget (QtWidgets.QWidget):                       # QtWidgets
    def __init__ (self, parent = None):
        super(QCustomQWidget, self).__init__(parent)
        self.textQVBoxLayout = QtWidgets.QVBoxLayout()          # QtWidgets
        self.textUpQLabel    = QtWidgets.QLabel()               # QtWidgets
        self.textDownQLabel  = QtWidgets.QLabel()               # QtWidgets
        self.textQVBoxLayout.addWidget(self.textUpQLabel)
        self.textQVBoxLayout.addWidget(self.textDownQLabel)
        self.allQHBoxLayout  = QtWidgets.QHBoxLayout()          # QtWidgets
        self.iconQLabel      = QtWidgets.QLabel()               # QtWidgets
        self.allQHBoxLayout.addWidget(self.iconQLabel, 0)
        self.allQHBoxLayout.addLayout(self.textQVBoxLayout, 1)
        self.setLayout(self.allQHBoxLayout)
        # setStyleSheet
        self.textUpQLabel.setStyleSheet('''
            color: rgb(0, 0, 255);
        ''')
        self.textDownQLabel.setStyleSheet('''
            color: rgb(255, 0, 0);
        ''')

    def setTextUp (self, text):
        self.textUpQLabel.setText(text)

    def setTextDown (self, text):
        self.textDownQLabel.setText(text)

    def setIcon (self, imagePath):
        self.iconQLabel.setPixmap(QtGui.QPixmap(imagePath).scaled(60, 60))   # + .scaled(60, 60

class exampleQMainWindow (QtWidgets.QMainWindow):                            # QtWidgets
    def __init__ (self):
        super(exampleQMainWindow, self).__init__()
        # Create QListWidget
        self.myQListWidget = QtWidgets.QListWidget(self)                     # QtWidgets
        for index, name, icon in [
            ('No.1', 'Meyoko',  'lena-2.png'),
            ('No.2', 'Nyaruko', 'im.png'),
            ('No.3', 'Louise',  'Ok.png')]:
            # Create QCustomQWidget
            myQCustomQWidget = QCustomQWidget()
            myQCustomQWidget.setTextUp(index)
            myQCustomQWidget.setTextDown(name)
            myQCustomQWidget.setIcon(icon)
            # Create QListWidgetItem
            myQListWidgetItem = QtWidgets.QListWidgetItem(self.myQListWidget)  # QtWidgets
            # Set size hint
            myQListWidgetItem.setSizeHint(myQCustomQWidget.sizeHint())
            # Add QListWidgetItem into QListWidget
            self.myQListWidget.addItem(myQListWidgetItem)
            self.myQListWidget.setItemWidget(myQListWidgetItem, myQCustomQWidget)
        self.setCentralWidget(self.myQListWidget)


if __name__ == '__main__':
    app = QtWidgets.QApplication([])                                           # QtWidgets
    window = exampleQMainWindow()
    window.show()
    sys.exit(app.exec_())