I’ve created a class called CustomTextEdit that derives from QTextEdit. The derived class is going to be used in a larger project and lets users insert tables through a menu action. The problem I face is that the program does not allow users to drag and resize the table like they can in MS Word. When the user hovers the mouse pointer over a column, the cursor must change to Qt. SplitHCursor and dragging one of the columns must resize it. I also want to detect if the table is in focus so that I can make the program show options to edit the table (like insert above, insert below).

I tried something like this. But it does not work.

def insert_table(self):
    dialog = QInputDialog.getText(
        self, "Table",
        "Enter the number of rows and columns seperated by commas")
    cursor = QCursor(Qt.SplitHCursor)
    pos = cursor.pos()
    details, value = dialog
    self.format = QTextTableFormat()
    self.format.setColumnWidthConstraints([QTextLength(QTextLength.PercentageLength, 10.0)]*int(details.split(",")[1]))
    rows, columns = tuple(details.split(","))
    self.cursorPosition = self.editor.textCursor()
    self.table = self.cursorPosition.insertTable(int(rows), int(columns))
    self.table.setFormat(self.format)