Move element display help line

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3592 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetgraphicsitem/element.cpp

@@ -494,8 +494,17 @@ QDomElement Element::toXml(QDomDocument &document, QHash<Terminal *, int> &table
 	return(element);
 }
 
-// Initialise link for this element
+/**
-void Element::initLink(QETProject *prj) {
+ * @brief Element::initLink
+ * Initialise the link between this element and other elements.
+ * This method can be call once because init the link according to
+ * uuid store in a private list, after link, the list is clear, so
+ * call another time do nothing.
+ *
+ * @param prj, ownership project of this element and other element to be linked
+ */
+void Element::initLink(QETProject *prj)
+{
 		// if nothing to link return now
 	if (tmp_uuids_link.isEmpty()) return;
 
@@ -540,6 +549,23 @@ bool comparPos(const Element *elmt1, const Element *elmt2) {
 	return elmt1->pos().x() <= elmt2->pos().x();
 }
 
+void Element::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+	QetGraphicsItem::mouseMoveEvent(event);
+	foreach (Terminal *t, terminals())
+	{
+		t -> drawHelpLine(true);
+	}
+}
+
+void Element::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+	QetGraphicsItem::mouseReleaseEvent(event);
+	foreach (Terminal *t, terminals())
+	{
+		t -> drawHelpLine(false);
+	}
+}
 
 /**
  * When mouse over element

sources/qetgraphicsitem/element.h

@@ -42,9 +42,18 @@ class Element : public QetGraphicsItem {
 	
 		// attributes
 	public:
+			/**
+			 * Enable the use of qgraphicsitem_cast to safely cast
+			 * a QGraphicsItem into an Element.
+			 * @return the QGraphicsItem type
+			 */
 		enum { Type = UserType + 1000 };
-		// this enum is use to know the kind of element and
+		virtual int type() const { return Type; }
-		// to use flag for element provider class
+
+			/**
+			 * @brief The kind enum
+			 * Used to know the kind of this element (master, slave, report ect...)
+			 */
 		enum kind {Simple = 1,
 				   NextReport = 2,
 				   PreviousReport = 4,
@@ -58,17 +67,8 @@ class Element : public QetGraphicsItem {
 		QPoint  hotspot_coord;
 		QPixmap preview;
 
-	
 		// methods
 	public:
-	/**
-		Enable the use of qgraphicsitem_cast to safely cast a QGraphicsItem into an
-		Element.
-		@return the QGraphicsItem type
-	*/
-	virtual int type() const { return Type; }
-	
-	// pure virtual methods to be defined in derived classes
 		/// @return the list of terminals for this element
 	virtual QList<Terminal *> terminals() const = 0;
 		/// @return the list of conductors attached to this element
@@ -182,8 +182,11 @@ class Element : public QetGraphicsItem {
 		void updatePixmap();
 
 	protected:
+		virtual void mouseMoveEvent    ( QGraphicsSceneMouseEvent *event );
+		virtual void mouseReleaseEvent ( QGraphicsSceneMouseEvent *event );
 		virtual void hoverEnterEvent   ( QGraphicsSceneHoverEvent * );
 		virtual void hoverLeaveEvent   ( QGraphicsSceneHoverEvent * );
+
 	private:
 		bool m_mouse_over;