pyqt-line-number-widget

Show line numbers next to QTextBrowser or QTextEdit

Requirements

• PyQt5 >= 5.8

Setup

python -m pip install pyqt-line-number-widget

Example

Code Sample

from PyQt5.QtWidgets import QApplication, QHBoxLayout, QTextEdit, QWidget

from pyqt_line_number_widget import LineNumberWidget





class MainWindow(QWidget):

    def __init__(self):

        super().__init__()

        self.__initUi()



    def __initUi(self):

        self.__te = QTextEdit()

        self.__te.textChanged.connect(self.__line_widget_line_count_changed)

        self.__lineWidget = LineNumberWidget(self.__te)



        lay = QHBoxLayout()

        lay.addWidget(self.__lineWidget)

        lay.addWidget(self.__te)



        self.setLayout(lay)



    def __line_widget_line_count_changed(self):

        if self.__lineWidget:

            n = int(self.__te.document().lineCount())

            self.__lineWidget.changeLineCount(n)





if __name__ == "__main__":

    import sys



    app = QApplication(sys.argv)

    mainWindow = MainWindow()

    mainWindow.show()

    app.exec()

Result

https://user-images.githubusercontent.com/55078043/174435483-d6e8b57c-5b26-48fd-a5a7-454841e11d69.mp4