Primitive part : Change the cursor shape, according to the current available behavior

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4084 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/editor/graphicspart/customelementgraphicpart.cpp

@@ -36,10 +36,7 @@ CustomElementGraphicPart::CustomElementGraphicPart(QETElementEditor *editor, QGr
 	_color(BlackColor),
 	_antialiased(false)
 {
-	setFlags(QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable);
+	setFlags(QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemSendsGeometryChanges);
-#if QT_VERSION >= 0x040600
-	setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
-#endif
 	setAcceptHoverEvents(true);
 }
 
@@ -427,6 +424,14 @@ void CustomElementGraphicPart::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 	QGraphicsObject::hoverEnterEvent(event);
 }
 
+void CustomElementGraphicPart::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+	if (isSelected())
+		setCursor(Qt::OpenHandCursor);
+
+	QGraphicsObject::hoverMoveEvent(event);
+}
+
 /**
  * @brief CustomElementGraphicPart::hoverLeaveEvent
  * Reimplemented from QGraphicsObject.
@@ -436,6 +441,7 @@ void CustomElementGraphicPart::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 void CustomElementGraphicPart::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 {
 	m_hovered = false;
+	unsetCursor();
 	QGraphicsObject::hoverLeaveEvent(event);
 }
 

sources/editor/graphicspart/customelementgraphicpart.h

@@ -103,6 +103,7 @@ class CustomElementGraphicPart : public QGraphicsObject, public CustomElementPar
 
 		QVariant itemChange(GraphicsItemChange change, const QVariant &value);
 		void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+		void hoverMoveEvent (QGraphicsSceneHoverEvent *event);
 		void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
 
 		virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);

sources/editor/graphicspart/partarc.cpp

@@ -65,8 +65,14 @@ void PartArc::paint(QPainter *painter, const QStyleOptionGraphicsItem *options,
 	
 	if (isSelected())
 	{
+		painter->save();
+		QPen pen(Qt::DotLine);
+		pen.setWidth(1);
+		pen.setCosmetic(true);
+		painter->setPen(pen);
 			//Draw the ellipse in black
 		painter -> drawEllipse(rect());
+		painter->restore();
 
 			//Draw the arc in red
 		t.setColor(Qt::red);
@@ -143,7 +149,7 @@ QPainterPath PartArc::shape() const
 	shape.arcTo(m_rect, m_start_angle/16, m_span_angle/16);
 
 	QPainterPathStroker pps;
-	pps.setWidth(penWeight());
+	pps.setWidth(m_hovered? penWeight()+SHADOWS_HEIGHT : penWeight());
 	shape = pps.createStroke(shape);
 
 	if (isSelected())
@@ -165,6 +171,29 @@ QPainterPath PartArc::shadowShape() const
 	return (pps.createStroke(shape));
 }
 
+void PartArc::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+	if (!isSelected())
+	{
+		CustomElementGraphicPart::hoverMoveEvent(event);
+		return;
+	}
+
+	int handler = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
+
+	if (handler >= 0)
+	{
+		if (handler == 0 || handler == 2 || handler == 5 || handler == 7)
+			setCursor(Qt::SizeAllCursor);
+		else if (handler == 1 || handler == 6)
+			setCursor(Qt::SizeVerCursor);
+		else if (handler == 3 || handler == 4)
+			setCursor(Qt::SizeHorCursor);
+	}
+	else
+		CustomElementGraphicPart::hoverMoveEvent(event);
+}
+
 /**
  * @brief PartArc::mousePressEvent
  * Handle mouse press event
@@ -172,7 +201,10 @@ QPainterPath PartArc::shadowShape() const
  */
 void PartArc::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
-	if (isSelected() && event->button() == Qt::LeftButton)
+	if (event->button() == Qt::LeftButton)
+	{
+		setCursor(Qt::ClosedHandCursor);
+		if (isSelected())
 		{
 			m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
 
@@ -181,11 +213,11 @@ void PartArc::mousePressEvent(QGraphicsSceneMouseEvent *event)
 				m_undo_command = new QPropertyUndoCommand(this, "rect", QVariant(m_rect));
 				m_undo_command->setText(tr("Modifier un arc"));
 				m_undo_command->enableAnimation();
+				return;
 			}
-		else
-			CustomElementGraphicPart::mousePressEvent(event);
 		}
-	else
+	}
+
 	CustomElementGraphicPart::mousePressEvent(event);
 }
 
@@ -213,6 +245,9 @@ void PartArc::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
  */
 void PartArc::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
+	if (event->button() == Qt::LeftButton)
+		setCursor(Qt::OpenHandCursor);
+
 	if (m_handler_index >= 0 && m_handler_index <= 7)
 	{
 		if (!m_rect.isValid())

sources/editor/graphicspart/partarc.h

@@ -59,6 +59,7 @@ class PartArc : public AbstractPartEllipse
 		virtual QPainterPath shadowShape() const;
 
 	protected:
+		virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
 		virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

sources/editor/graphicspart/partellipse.cpp

@@ -145,7 +145,7 @@ QPainterPath PartEllipse::shape() const
 	shape.addEllipse(m_rect);
 
 	QPainterPathStroker pps;
-	pps.setWidth(penWeight());
+	pps.setWidth(m_hovered? penWeight()+SHADOWS_HEIGHT : penWeight());
 	shape = pps.createStroke(shape);
 
 	if (isSelected())
@@ -166,6 +166,29 @@ QPainterPath PartEllipse::shadowShape() const
 	return (pps.createStroke(shape));
 }
 
+void PartEllipse::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+	if (!isSelected())
+	{
+		CustomElementGraphicPart::hoverMoveEvent(event);
+		return;
+	}
+
+	int handler = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
+
+	if (handler >= 0)
+	{
+		if (handler == 0 || handler == 2 || handler == 5 || handler == 7)
+			setCursor(Qt::SizeAllCursor);
+		else if (handler == 1 || handler == 6)
+			setCursor(Qt::SizeVerCursor);
+		else if (handler == 3 || handler == 4)
+			setCursor(Qt::SizeHorCursor);
+	}
+	else
+		CustomElementGraphicPart::hoverMoveEvent(event);
+}
+
 /**
  * @brief PartEllipse::mousePressEvent
  * Handle mouse press event
@@ -173,7 +196,10 @@ QPainterPath PartEllipse::shadowShape() const
  */
 void PartEllipse::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
-	if (isSelected() && event->button() == Qt::LeftButton)
+	if (event->button() == Qt::LeftButton)
+	{
+		setCursor(Qt::ClosedHandCursor);
+		if (isSelected())
 		{
 			m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
 
@@ -182,11 +208,11 @@ void PartEllipse::mousePressEvent(QGraphicsSceneMouseEvent *event)
 				m_undo_command = new QPropertyUndoCommand(this, "rect", QVariant(m_rect));
 				m_undo_command->setText(tr("Modifier une ellipse"));
 				m_undo_command->enableAnimation();
+				return;
 			}
-		else
-			CustomElementGraphicPart::mousePressEvent(event);
 		}
-	else
+	}
+
 	CustomElementGraphicPart::mousePressEvent(event);
 }
 
@@ -214,6 +240,9 @@ void PartEllipse::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
  */
 void PartEllipse::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
+	if (event->button() == Qt::LeftButton)
+		setCursor(Qt::OpenHandCursor);
+
 	if (m_handler_index >= 0 && m_handler_index <= 7)
 	{
 		if (!m_rect.isValid())

sources/editor/graphicspart/partellipse.h

@@ -61,6 +61,7 @@ class PartEllipse : public  AbstractPartEllipse
 		virtual QPainterPath shadowShape() const;
 
 	protected:
+		virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
 		virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

sources/editor/graphicspart/partline.cpp

@@ -146,7 +146,11 @@ void PartLine::fromXml(const QDomElement &qde) {
  */
 void PartLine::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
-	if(isSelected() && event->button() == Qt::LeftButton)
+	if(event->button() == Qt::LeftButton)
+	{
+		setCursor(Qt::ClosedHandCursor);
+
+		if (isSelected())
 		{
 			m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForLine(m_line));
 
@@ -155,11 +159,11 @@ void PartLine::mousePressEvent(QGraphicsSceneMouseEvent *event)
 				m_undo_command = new QPropertyUndoCommand(this, "line", QVariant(m_line));
 				m_undo_command->setText(tr("Modifier une ligne"));
 				m_undo_command->enableAnimation();
+				return;
 			}
-		else
-			CustomElementGraphicPart::mousePressEvent(event);
 		}
-	else
+	}
+
 	CustomElementGraphicPart::mousePressEvent(event);
 }
 
@@ -187,6 +191,9 @@ void PartLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
  */
 void PartLine::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
+	if (event->button() == Qt::LeftButton)
+		setCursor(Qt::OpenHandCursor);
+
 	if (m_handler_index >= 0 && m_handler_index <= 1)
 	{
 		m_undo_command->setNewValue(QVariant(m_line));
@@ -233,7 +240,7 @@ QPainterPath PartLine::shape() const
 	}
 
 	QPainterPathStroker pps;
-	pps.setWidth(penWeight());
+	pps.setWidth(m_hovered? penWeight()+SHADOWS_HEIGHT : penWeight());
 	shape = pps.createStroke(shape);
 
 	if (isSelected())
@@ -526,6 +533,20 @@ void PartLine::setSecondEndLength(const qreal &l)
 	emit secondEndLengthChanged();
 }
 
+void PartLine::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+	if (!isSelected())
+	{
+		CustomElementGraphicPart::hoverMoveEvent(event);
+		return;
+	}
+
+	if (m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForLine(m_line)) >= 0)
+		setCursor(Qt::SizeAllCursor);
+	else
+		CustomElementGraphicPart::hoverMoveEvent(event);
+}
+
 /**
  * @brief PartLine::path
  * @return this line has a QPainterPath.

sources/editor/graphicspart/partline.h

@@ -96,6 +96,7 @@ class PartLine : public CustomElementGraphicPart
 		void setSecondEndLength(const qreal &l);
 
 	protected:
+		virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
 		virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

sources/editor/graphicspart/partpolygon.cpp

@@ -248,6 +248,20 @@ void PartPolygon::setClosed(bool close)
 	emit closedChange();
 }
 
+void PartPolygon::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+	if (!isSelected())
+	{
+		CustomElementGraphicPart::hoverMoveEvent(event);
+		return;
+	}
+
+	if (m_handler.pointIsHoverHandler(event->pos(), m_polygon) >= 0)
+		setCursor(Qt::SizeAllCursor);
+	else
+		CustomElementGraphicPart::hoverMoveEvent(event);
+}
+
 /**
  * @brief PartPolygon::mousePressEvent
  * Handle mouse press event
@@ -255,7 +269,10 @@ void PartPolygon::setClosed(bool close)
  */
 void PartPolygon::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
-	if (isSelected() && event->button() == Qt::LeftButton)
+	if (event->button() == Qt::LeftButton)
+	{
+		setCursor(Qt::ClosedHandCursor);
+		if(isSelected())
 		{
 			m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_polygon);
 
@@ -263,11 +280,11 @@ void PartPolygon::mousePressEvent(QGraphicsSceneMouseEvent *event)
 			{
 				m_undo_command = new QPropertyUndoCommand(this, "polygon", QVariant(m_polygon));
 				m_undo_command->setText(tr("Modifier un polygone"));
+				return;
 			}
-		else
-			CustomElementGraphicPart::mousePressEvent(event);
 		}
-	else
+	}
+
 	CustomElementGraphicPart::mousePressEvent(event);
 }
 
@@ -296,6 +313,9 @@ void PartPolygon::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
  */
 void PartPolygon::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
+	if (event->button() == Qt::LeftButton)
+		setCursor(Qt::OpenHandCursor);
+
 	if (m_handler_index >= 0)
 	{
 		m_undo_command->setNewValue(QVariant(m_polygon));
@@ -320,7 +340,7 @@ QPainterPath PartPolygon::shape() const
 		shape.lineTo(m_polygon.first());
 
 	QPainterPathStroker pps;
-	pps.setWidth(penWeight());
+	pps.setWidth(m_hovered? penWeight()+SHADOWS_HEIGHT : penWeight());
 	shape = pps.createStroke(shape);
 
 	if (isSelected())

sources/editor/graphicspart/partpolygon.h

@@ -85,6 +85,7 @@ class PartPolygon : public CustomElementGraphicPart
 		void setClosed (bool close);
 
 	protected:
+		virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
 		virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

sources/editor/graphicspart/partrectangle.cpp

@@ -161,7 +161,7 @@ QPainterPath PartRectangle::shape() const
 	shape.addRect(m_rect);
 
 	QPainterPathStroker pps;
-	pps.setWidth(penWeight());
+	pps.setWidth(m_hovered? penWeight()+SHADOWS_HEIGHT : penWeight());
 	shape = pps.createStroke(shape);
 
 	if (isSelected())
@@ -237,6 +237,29 @@ void PartRectangle::handleUserTransformation(const QRectF &initial_selection_rec
 	setRect(QRectF(mapFromScene(mapped_points.at(0)), mapFromScene(mapped_points.at(1))));
 }
 
+void PartRectangle::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+	if (!isSelected())
+	{
+		CustomElementGraphicPart::hoverMoveEvent(event);
+		return;
+	}
+
+	int handler = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
+
+	if (handler >= 0)
+	{
+		if (handler == 0 || handler == 2 || handler == 5 || handler == 7)
+			setCursor(Qt::SizeAllCursor);
+		else if (handler == 1 || handler == 6)
+			setCursor(Qt::SizeVerCursor);
+		else if (handler == 3 || handler == 4)
+			setCursor(Qt::SizeHorCursor);
+	}
+	else
+		CustomElementGraphicPart::hoverMoveEvent(event);
+}
+
 /**
  * @brief PartRectangle::mousePressEvent
  * Handle mouse press event
@@ -244,7 +267,10 @@ void PartRectangle::handleUserTransformation(const QRectF &initial_selection_rec
  */
 void PartRectangle::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
-	if (isSelected() && event->button() == Qt::LeftButton)
+	if (event->button() == Qt::LeftButton)
+	{
+		setCursor(Qt::ClosedHandCursor);
+		if(isSelected())
 		{
 			m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
 
@@ -253,11 +279,11 @@ void PartRectangle::mousePressEvent(QGraphicsSceneMouseEvent *event)
 				m_undo_command = new QPropertyUndoCommand(this, "rect", QVariant(m_rect));
 				m_undo_command->setText(tr("Modifier un rectangle"));
 				m_undo_command->enableAnimation();
+				return;
 			}
-		else
-			CustomElementGraphicPart::mousePressEvent(event);
 		}
-	else
+	}
+
 	CustomElementGraphicPart::mousePressEvent(event);
 }
 
@@ -285,6 +311,9 @@ void PartRectangle::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
  */
 void PartRectangle::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
+	if (event->button() == Qt::LeftButton)
+		setCursor(Qt::OpenHandCursor);
+
 	if (m_handler_index >= 0 && m_handler_index <= 7)
 	{
 		if (!m_rect.isValid())

sources/editor/graphicspart/partrectangle.h

@@ -75,6 +75,7 @@ class PartRectangle :  public CustomElementGraphicPart
 		virtual void handleUserTransformation(const QRectF &, const QRectF &);
 
 	protected:
+		virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
 		virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
 		virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);