Make Insert key work again in triplet list

mainwidget.cpp

@@ -349,6 +349,9 @@ void TeletextWidget::keyPressEvent(QKeyEvent *event)
 		case Qt::Key_Delete:
 			m_teletextDocument->undoStack()->push(new DeleteKeyCommand(m_teletextDocument));
 			break;
+		case Qt::Key_Insert:
+			emit insertKeyPressed();
+			break;
 
 		case Qt::Key_Up:
 			m_teletextDocument->cursorUp();

mainwidget.h

@@ -55,6 +55,7 @@ public:
 
 signals:
 	void sizeChanged();
+	void insertKeyPressed();
 
 public slots:
 	void subPageSelected();

mainwindow.cpp

@@ -178,11 +178,10 @@ void MainWindow::init()
 	connect(m_textWidget, &TeletextWidget::sizeChanged, this, &MainWindow::setSceneDimensions);
 	connect(m_textWidget->pageRender(), &TeletextPageRender::fullScreenColourChanged, m_textScene, &LevelOneScene::setFullScreenColour);
 	connect(m_textWidget->pageRender(), &TeletextPageRender::fullRowColourChanged, m_textScene, &LevelOneScene::setFullRowColour);
+	connect(m_textWidget, &TeletextWidget::insertKeyPressed, this, &MainWindow::toggleInsertMode);
 
 	QShortcut *blockShortCut = new QShortcut(QKeySequence(Qt::Key_Escape, Qt::Key_J), m_textView);
 	connect(blockShortCut, &QShortcut::activated, [=]() { m_textWidget->setCharacter(0x7f); });
-	QShortcut *insertModeShortCut = new QShortcut(QKeySequence(Qt::Key_Insert), this);
-	connect(insertModeShortCut, &QShortcut::activated, this, &MainWindow::toggleInsertMode);
 
 	setUnifiedTitleAndToolBarOnMac(true);