code: def commit(self):
          
  
          # Backup and remove the currently selected text (may be none).
          tc = self.qteWidget.textCursor()
          self.selText = tc.selection().toHtml()
          self.selStart = tc.selectionStart()
          self.selEnd = tc.selectionEnd()
          tc.removeSelectedText()
  
          # Move to the start of the (just deleted) text block and insert
          # the characters there.
          tc.setPosition(self.selStart)
  
          # If the MIME data contained an image then create a new HTML
          # resource for it and insert it with the HTML syntax for adding
          # an image. On the other hand, if the resource was simply a string,
          # then just add it.
          if self.isImage:
              imgName = "pastedImage_{}".format(str(self.pasteCnt))
              document = self.qteWidget.document()
              document.addResource(QtGui.QTextDocument.ImageResource,
                                   QtCore.QUrl(imgName), self.data)
              self.qteWidget.setDocument(document)
              tc.insertHtml('<img src={}>'.format(imgName))
          else:
              tc.insertText(self.data)
  
          # Update the text cursor in the document.
          self.qteWidget.setTextCursor(tc)
docs: Insert the text at the current cursor position.