QTextCursor cursor(textEdit->document()); // create a cursor object for the textEdit cursor.insertText("Hello world!"); // insert "Hello world!" at the current position
QTextCursor cursor(textEdit->document()); // create a cursor object for the textEdit cursor.select(QTextCursor::WordUnderCursor); // select the word under the cursor cursor.insertText("Qt"); // replace the selected word with "Qt"
QTextCursor cursor(textEdit->document()); // create a cursor object for the textEdit cursor.movePosition(QTextCursor::Start); // move the cursor to the beginning of the textThis code creates a QTextCursor object for a QTextEdit widget, and moves the cursor to the beginning of the text. Overall, QTextCursor is a useful class for text manipulation in a GUI application. It is part of the Qt package library for C++.