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Remove setter function : void BorderTitleBlock::setTitle(const QString
&title)
Remove singal diagramTitleChanged from BorderTitleBlock and use instead
the signal informationChanged.

sources/bordertitleblock.cpp

@@ -322,8 +322,8 @@ void BorderTitleBlock::importTitleBlock(const TitleBlockProperties &ip)
 	btb_version_ = QetVersion::displayedVersion();
 	btb_auto_page_num_ = ip.auto_page_num;
 	additional_fields_ = ip.context;
+	btb_title_ = ip.title;
 
-	setTitle(ip.title);
 	setFolio(ip.folio);
 
 	if (m_edge != ip.display_at)
@@ -886,19 +886,6 @@ DiagramPosition BorderTitleBlock::convertPosition(const QPointF &pos)
 	return(DiagramPosition(letter, row_number));
 }
 
-/**
-	@brief BorderTitleBlock::setTitle
-	@param title the new value of the "Title" field
-*/
-void BorderTitleBlock::setTitle(const QString &title)
-{
-	if (btb_title_ != title)
-	{
-		btb_title_ = title;
-		emit(diagramTitleChanged(title));
-	}
-}
-
 /**
 	@brief BorderTitleBlock::setFolio
 	@param folio the new value of the "Folio" field

sources/bordertitleblock.h

@@ -159,7 +159,6 @@ class BorderTitleBlock : public QObject
 		DiagramPosition convertPosition(const QPointF &);
 		
 		// methods to set title block basic data
-		void setTitle(const QString &title);
 		void setFolio(const QString &folio);
 		void setFolioData(int, int, const QString& = nullptr,
 				  const DiagramContext & = DiagramContext());
@@ -212,11 +211,6 @@ class BorderTitleBlock : public QObject
 			Signal emitted after display options have changed
 		*/
 		void displayChanged();
-		/**
-			@brief diagramTitleChanged
-			Signal emitted after the title has changed
-		*/
-		void diagramTitleChanged(const QString &);
 		/**
 			@brief titleBlockFolioChanged
 			Signal emitted after Folio has changed

sources/diagram.cpp

@@ -107,7 +107,7 @@ Diagram::Diagram(QETProject *project) :
 		&BorderTitleBlock::needTitleBlockTemplate,
 		this, &Diagram::setTitleBlockTemplate);
 	connect(&border_and_titleblock,
-		&BorderTitleBlock::diagramTitleChanged,
+		&BorderTitleBlock::informationChanged,
 		this, &Diagram::titleChanged);
 	connect(&border_and_titleblock,
 		&BorderTitleBlock::titleBlockFolioChanged,
@@ -1644,8 +1644,8 @@ void Diagram::removeItem(QGraphicsItem *item)
 	emit(diagramTitleChanged(this, title));
 	@param title
 */
-void Diagram::titleChanged(const QString &title) {
+void Diagram::titleChanged() {
-	emit(diagramTitleChanged(this, title));
+	emit(diagramTitleChanged(this));
 }
 
 /**

sources/diagram.h

@@ -259,7 +259,7 @@ class Diagram : public QGraphicsScene
 
 	public slots:
 		void adjustSceneRect ();
-		void titleChanged(const QString &);
+		void titleChanged();
 		void titleBlockTemplateChanged(const QString &);
 		void titleBlockTemplateRemoved(const QString &,
 					       const QString & = QString());
@@ -275,7 +275,7 @@ class Diagram : public QGraphicsScene
 	signals:
 		void showDiagram (Diagram *);
 		void usedTitleBlockTemplateChanged(const QString &);
-		void diagramTitleChanged(Diagram *, const QString &);
+		void diagramTitleChanged(Diagram *);
 
 		/// Signal emitted when users wish to locate an element
 		/// from the diagram within elements collection

sources/genericpanel.cpp

@@ -791,10 +791,8 @@ void GenericPanel::projectDiagramsOrderChanged(QETProject *project,
 	@brief GenericPanel::diagramTitleChanged
 	Inform this panel the diagram \a diagram has changed its title to \a title.
 	@param diagram
-	@param title (unused)
 */
-void GenericPanel::diagramTitleChanged(Diagram *diagram, const QString &title) {
+void GenericPanel::diagramTitleChanged(Diagram *diagram) {
-	Q_UNUSED(title)
 	GenericPanel::addDiagram(diagram);
 	emit(panelContentChanged());
 }

sources/genericpanel.h

@@ -164,7 +164,7 @@ class GenericPanel : public QTreeWidget {
 	virtual void diagramAdded(QETProject *, Diagram *);
 	virtual void diagramRemoved(QETProject *, Diagram *);
 	virtual void projectDiagramsOrderChanged(QETProject *, int, int);
-	virtual void diagramTitleChanged(Diagram *, const QString &);
+	virtual void diagramTitleChanged(Diagram *);
 	virtual void templatesCollectionChanged(TitleBlockTemplatesCollection*,
 						const QString &);
 	virtual void diagramUsedTemplate(TitleBlockTemplatesCollection *,