Paste the MIME data at the current cursor position.

        This method also adds another undo-object to the undo-stack.

def insertFromMimeData(self, data):
        """
        Paste the MIME data at the current cursor position.

        This method also adds another undo-object to the undo-stack.
        """
        undoObj = UndoPaste(self, data, self.pasteCnt)
        self.pasteCnt += 1
        self.qteUndoStack.push(undoObj)