Element editor: introduced CustomElementPart::sceneGeometricRect(), which provides a margin-less equivalent to sceneBoundingRect().

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2035 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/editor/customelementpart.h

@@ -73,6 +73,7 @@ class CustomElementPart {
 		Typically, useless primitives are discarded when saving the element.
 	*/
 	virtual bool isUseless() const = 0;
+	virtual QRectF sceneGeometricRect() const = 0;
 	/**
 		Inform this part a user-induced transformation is about to begin. This method can be used to save data required by handleUserTransformation().
 	*/

sources/editor/partarc.cpp

@@ -256,6 +256,16 @@ bool PartArc::isUseless() const {
 	return(rect().isNull() || !angle());
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartArc::sceneGeometricRect() const {
+	return(mapToScene(rect()).boundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/partarc.h

@@ -60,6 +60,7 @@ class PartArc : public QGraphicsEllipseItem, public CustomElementGraphicPart {
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	

sources/editor/partcircle.cpp

@@ -199,6 +199,16 @@ bool PartCircle::isUseless() const {
 	return(rect().isNull());
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartCircle::sceneGeometricRect() const {
+	return(mapToScene(rect()).boundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/partcircle.h

@@ -52,6 +52,7 @@ class PartCircle : public QGraphicsEllipseItem, public CustomElementGraphicPart
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	

sources/editor/partellipse.cpp

@@ -189,6 +189,16 @@ bool PartEllipse::isUseless() const {
 	return(rect().isNull());
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartEllipse::sceneGeometricRect() const {
+	return(mapToScene(rect()).boundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/partellipse.h

@@ -51,6 +51,7 @@ class PartEllipse : public QGraphicsEllipseItem, public CustomElementGraphicPart
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	

sources/editor/partline.cpp

@@ -476,6 +476,16 @@ bool PartLine::isUseless() const {
 	return(sceneP1() == sceneP2());
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartLine::sceneGeometricRect() const {
+	return(QRectF(sceneP1(), sceneP2()));
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/partline.h

@@ -68,6 +68,7 @@ class PartLine : public QGraphicsLineItem, public CustomElementGraphicPart {
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	virtual void setFirstEndType(const QET::EndType &);

sources/editor/partpolygon.cpp

@@ -163,6 +163,16 @@ bool PartPolygon::isUseless() const {
 	return(true);
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartPolygon::sceneGeometricRect() const {
+	return(mapToScene(polygon().boundingRect()).boundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/partpolygon.h

@@ -56,6 +56,7 @@ class PartPolygon : public QGraphicsPolygonItem, public CustomElementGraphicPart
 	void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	

sources/editor/partrectangle.cpp

@@ -196,6 +196,16 @@ bool PartRectangle::isUseless() const {
 	return(rect().isNull());
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartRectangle::sceneGeometricRect() const {
+	return(mapToScene(rect()).boundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/partrectangle.h

@@ -51,6 +51,7 @@ class PartRectangle : public QGraphicsRectItem, public CustomElementGraphicPart
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	

sources/editor/partterminal.cpp

@@ -220,6 +220,16 @@ bool PartTerminal::isUseless() const {
 	return(false);
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartTerminal::sceneGeometricRect() const {
+	return(sceneBoundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/partterminal.h

@@ -57,6 +57,7 @@ class PartTerminal : public CustomElementPart, public QGraphicsItem {
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	

sources/editor/parttext.cpp

@@ -303,6 +303,16 @@ bool PartText::isUseless() const {
 	return(toPlainText().isEmpty());
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartText::sceneGeometricRect() const {
+	return(sceneBoundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a rect bounding rectangle.

sources/editor/parttext.h

@@ -56,6 +56,7 @@ class PartText : public QGraphicsTextItem, public CustomElementPart {
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = 0 );

sources/editor/parttextfield.cpp

@@ -346,6 +346,16 @@ bool PartTextField::isUseless() const {
 	return(false);
 }
 
+/**
+	@return the minimum, margin-less rectangle this part can fit into, in scene
+	coordinates. It is different from boundingRect() because it is not supposed
+	to imply any margin, and it is different from shape because it is a regular
+	rectangle, not a complex shape.
+*/
+QRectF PartTextField::sceneGeometricRect() const {
+	return(sceneBoundingRect());
+}
+
 /**
 	Start the user-induced transformation, provided this primitive is contained
 	within the \a initial_selection_rect bounding rectangle.

sources/editor/parttextfield.h

@@ -62,6 +62,7 @@ class PartTextField : public QGraphicsTextItem, public CustomElementPart {
 	virtual void setProperty(const QString &, const QVariant &);
 	virtual QVariant property(const QString &);
 	virtual bool isUseless() const;
+	virtual QRectF sceneGeometricRect() const;
 	virtual void startUserTransformation(const QRectF &);
 	virtual void handleUserTransformation(const QRectF &, const QRectF &);
 	virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = 0 );