Fix the left margin of the diagram : In some condition, (most of time when use copy and paste) a margin appear in the left of the folio.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5004 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/diagram.cpp

@@ -968,7 +968,7 @@ bool Diagram::fromXml(QDomElement &document, QPointF position, bool consider_inf
 			qgi -> setPos( qgi -> pos() += pos_);
 	}
 	
-	// remplissage des listes facultatives
+        //Filling of optional lists
 	if (content_ptr) {
 		content_ptr -> elements         = added_elements.toSet();
 		content_ptr -> conductorsToMove = added_conductors.toSet();
@@ -976,6 +976,12 @@ bool Diagram::fromXml(QDomElement &document, QPointF position, bool consider_inf
 		content_ptr -> images			= added_images.toSet();
 		content_ptr -> shapes			= added_shapes.toSet();
 	}
+    
+        //Ensure the texts of conductor are inside the border of the folio
+        //and so don't cause the annoying margin on the left border of the folio.
+    for(Conductor *cond : added_conductors)
+        cond->textItem()->setPos(cond->textItem()->pos());
+    
 	adjustSceneRect();
 	return(true);
 }

sources/qetgraphicsitem/conductortextitem.cpp

@@ -137,7 +137,42 @@ void ConductorTextItem::forceRotateByUser(bool rotate_by_user) {
 	rotate_by_user_ = rotate_by_user;
 	if (!rotate_by_user && parent_conductor_) {
 		parent_conductor_ -> calculateTextItemPosition();
-	}
+    }
+}
+
+/**
+ * @brief ConductorTextItem::setPos
+ * @param pos
+ */
+void ConductorTextItem::setPos(const QPointF &pos)
+{
+    /*
+     * In some condition the conductor text item is outside the border of folio in the left.
+     * They cause a margin on the left of folio and in most case this margin is unwanted and annoying the user.
+     * If the text is empty and the scene position is outside the border (left and top),
+     * we can say that this position, is unwanted by user.
+     * So we move this text item to the top left of the bounding rect of parent conductors, because we sure this position is wanted by user.
+     */
+    DiagramTextItem::setPos(pos);
+    if(toPlainText().isEmpty() && (scenePos().x() < 0 || scenePos().y() < 0))
+    {
+        Conductor *cond = parentConductor();
+        if(cond)
+            DiagramTextItem::setPos(cond->boundingRect().topLeft());
+        else
+            DiagramTextItem::setPos(0,0);
+    }
+}
+
+/**
+ * @brief ConductorTextItem::setPos
+ * @param x
+ * @param y
+ */
+void ConductorTextItem::setPos(qreal x, qreal y)
+{
+    QPointF p(x,y);
+    setPos(p);
 }
 
 /**
@@ -238,5 +273,5 @@ void ConductorTextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *e) {
 */
 void ConductorTextItem::hoverMoveEvent(QGraphicsSceneHoverEvent *e) {
 	Q_UNUSED(e);
-	QGraphicsTextItem::hoverMoveEvent(e);
+    QGraphicsTextItem::hoverMoveEvent(e);
 }

sources/qetgraphicsitem/conductortextitem.h

@@ -26,47 +26,44 @@ class Conductor;
 	Its movements are however limited to a particular distance around its
 	parent conductor.
 */
-class ConductorTextItem : public DiagramTextItem {
+class ConductorTextItem : public DiagramTextItem
+{
 	Q_OBJECT
 	
-	// constructors, destructor
+        // constructors, destructor
 	public:
-	ConductorTextItem(Conductor * = 0);
-	ConductorTextItem(const QString &, Conductor * = 0);
-	virtual ~ConductorTextItem();
+        ConductorTextItem(Conductor * = 0);
+        ConductorTextItem(const QString &, Conductor * = 0);
+        virtual ~ConductorTextItem();
 	private:
-	ConductorTextItem(const ConductorTextItem &);
-	
-	// attributes
-	public:
-	enum { Type = UserType + 1006 };
-	Conductor *parentConductor() const;
-	virtual void fromXml(const QDomElement &);
-	virtual void toXml  (QDomElement &xml) const;
-	
-	// methods
-	public:
-	virtual int type() const { return Type; }
-	virtual bool wasMovedByUser() const;
-	virtual bool wasRotateByUser() const;
-	virtual void forceMovedByUser(bool);
-	virtual void forceRotateByUser(bool);
-	
-	protected:
-	virtual void mousePressEvent   (QGraphicsSceneMouseEvent *event);
-	virtual void mouseMoveEvent    (QGraphicsSceneMouseEvent *event);
-	virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event);
-	
-	protected:
-	virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
-	virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
-	virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
+        ConductorTextItem(const ConductorTextItem &);
 
-	// attributes
+	public:
+        enum { Type = UserType + 1006 };
+        Conductor *parentConductor() const;
+        virtual void fromXml(const QDomElement &);
+        virtual void toXml  (QDomElement &xml) const;
+        virtual int type() const { return Type; }
+        virtual bool wasMovedByUser() const;
+        virtual bool wasRotateByUser() const;
+        virtual void forceMovedByUser(bool);
+        virtual void forceRotateByUser(bool);
+        virtual void setPos(const QPointF &pos);
+        virtual void setPos(qreal x, qreal y);
+	
+	protected:
+        virtual void mousePressEvent   (QGraphicsSceneMouseEvent *event);
+        virtual void mouseMoveEvent    (QGraphicsSceneMouseEvent *event);
+        virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event);
+        virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
+        virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
+        virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
+
+        // attributes
 	private:
-	Conductor *parent_conductor_;
-	bool moved_by_user_;
-	bool rotate_by_user_;
-	QPointF before_mov_pos_;
+        Conductor *parent_conductor_;
+        bool moved_by_user_;
+        bool rotate_by_user_;
+        QPointF before_mov_pos_;
 };
 #endif