Add new signal when currenttab changed

src/ksieveui/editor/sieveeditortextmodewidget.cpp

@@ -89,6 +89,7 @@ SieveEditorTextModeWidget::SieveEditorTextModeWidget(QWidget *parent)
     textEditLayout->setMargin(0);
 
     mTabWidget = new SieveEditorTabWidget;
+    connect(mTabWidget, &SieveEditorTabWidget::currentChanged, this, &SieveEditorTextModeWidget::sieveEditorTabCurrentChanged);
     mTextToSpeechWidget = new KPIMTextEdit::TextToSpeechWidget(this);
     textEditLayout->addWidget(mTextToSpeechWidget);
 

src/ksieveui/editor/sieveeditortextmodewidget.h

@@ -106,6 +106,7 @@ Q_SIGNALS:
     void undoAvailable(bool);
     void redoAvailable(bool);
     void copyAvailable(bool);
+    void sieveEditorTabCurrentChanged();
 
 public Q_SLOTS:
     void slotShowGoToLine();