Sometime you need to show data in external window with custom widget(s). This little code will help you. function showCustomWidget() { QDialog *dlgMultiLine = new QDialog(); QGridLayout *gridLayout = new QGridLayout(dlgMultiLine); QPlainTextEdit *txtMultiline = new QPlainTextEdit(); txtMultiline->setPlainText(this->toPlainText()); … Continue reading →