combo.activated[str].connect(self.onActivated) self.setGeometry(300,300,300,200) self.setWindowTitle('QComboBox') self.show() def onActivated(self,text): self.lbl.setText(text) self.lbl.adjustSize() if __name__ == '__main__': app = QApplication(sys.argv) ex = Example() sys.exit(app.exec_()) 结果如下:
The activated signal is sent when the user chooses an item in the combobox. QComboBox exampleThe following example shows the selected item in a nearby label. simple.py #!/usr/bin/python import sys from PyQt6.QtWidgets import (QWidget, QLabel, QHBoxLayout, QComboBox, QApplication) class...
comboIndex) self.ContainerOfData.combo[self.k].activated.connect(lambda comboIndex = self.comboIndex: self.updateDate(comboIndex)) return GDTDialog_hbox(self.Text,self.ContainerOfData.combo[self.k]) Example #23Source File: toolwidget.py From LCInterlocking with GNU Lesser General Public License...
combo.activated[str].connect(self.onActivated) self.setGeometry(300, 300, 300, 200) self.setWindowTitle('QtGui.QComboBox') self.show() def onActivated(self, text): self.lbl.setText(text) self.lbl.adjustSize() def main(): app = QtGui.QApplication(sys.argv) ex = Example() sys.exit...
def onActivated(self, text): self.lbl.setText(text) self.lbl.adjustSize() def main(): app = QApplication(sys.argv) ex = Example() sys.exit(app.exec()) if __name__ == '__main__': main() The example shows aQComboBoxand aQLabel. The combo box has a list of five options. ...
要监控QComboBox的选项变化,你可以连接上述提到的信号(如currentIndexChanged、currentTextChanged和activated)到相应的槽函数。这样,每当选项发生变化时,槽函数就会被调用,从而允许你执行所需的逻辑。 5. QComboBox变化时更新界面或执行其他操作的建议 当QComboBox的选项发生变化时,你可能需要更新界面上的其他控件或执行其...
该示例实现了：可以通过选择单元格区域来提供组合框中的下拉列表值，这些值就是所选单元格区域中的内容...
In this example, we create a simple main window containing a QComboBox with three predefined options.import sys from PyQt6.QtWidgets import QApplication, QMainWindow, QComboBox class MyWindow(QMainWindow): def __init__(self): super().__init__() self.setWindowTitle("QComboBox Example") ...
void QComboBox::activated ( const QString & text ) [signal] This signal is sent when the user chooses an item in the combobox. The item's text is passed. Note that this signal is sent even when the choice is not changed. If you need to know when the choice actually changes, use...
EN在互联网的很多产品中，富文本是经常存在的，因为在富文本中，可以插入图片，插入视频以及对字体等等...