PyQt QListWidget which shows text as tooltip longer than widget's size
- PyQt5 >= 5.8
python -m pip install pyqt-tooltip-list-widget
Code Sample
from PyQt5.QtWidgets import QWidget, QGridLayout, QApplication
from pyqt_tooltip_list_widget import ToolTipListWidget
class Widget(QWidget):
    def __init__(self):
        super().__init__()
        self.__initUi()
    def __initUi(self):
        self.__listWidget = ToolTipListWidget()
        self.__listWidget.addItem(
            'Note: The selection rectangle will only be visible if the selection mode is in a mode where more than one item can be selected; i.e., it will not draw a selection rectangle if the selection mode is QAbstractItemView::SingleSelection.')
        self.__listWidget.addItem('B')
        self.__listWidget.addItem('C')
        lay = QGridLayout()
        lay.addWidget(self.__listWidget)
        lay.setContentsMargins(0, 0, 0, 0)
        self.setLayout(lay)
if __name__ == "__main__":
    import sys
    app = QApplication(sys.argv)
    example = Widget()
    example.show()
    app.exec_()Result
