Light change in user interface

When mouse over a element, coonductor, text, the graphic symbol draw his bounding box.
and draw a tooltip with his name
For conductor the conductor size change.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3490 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetgraphicsitem/conductor.cpp

@@ -44,6 +44,7 @@ Conductor::Conductor(Terminal *p1, Terminal* p2, Diagram *parent_diagram) :
 	QGraphicsPathItem(0, parent_diagram),
 	terminal1(p1),
 	terminal2(p2),
+	bMouseOver(false),
 	destroyed_(false),
 	text_item(0),
 	segments(NULL),
@@ -444,6 +445,10 @@ void Conductor::paint(QPainter *qp, const QStyleOptionGraphicsItem *options, QWi
 		}
 	}
 	
+	// if mouse over conductor change size
+	if ( bMouseOver )	conductor_pen.setWidthF(3.0);
+	else				conductor_pen.setWidthF(1.0);
+
 	// affectation du QPen et de la QBrush modifies au QPainter
 	qp -> setBrush(conductor_brush);
 	QPen final_conductor_pen = conductor_pen;
@@ -687,9 +692,8 @@ void Conductor::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
 void Conductor::hoverEnterEvent(QGraphicsSceneHoverEvent *e) {
 	Q_UNUSED(e);
 	segments_squares_scale_ = 2.0;
-	if (isSelected()) {
+	bMouseOver = true;
-		update();
+	update();
-	}
 }
 
 /**
@@ -699,9 +703,8 @@ void Conductor::hoverEnterEvent(QGraphicsSceneHoverEvent *e) {
 void Conductor::hoverLeaveEvent(QGraphicsSceneHoverEvent *e) {
 	Q_UNUSED(e);
 	segments_squares_scale_ = 1.0;
-	if (isSelected()) {
+	update();
-		update();
+	bMouseOver = false;
-	}
 }
 
 /**

sources/qetgraphicsitem/conductor.h

@@ -130,6 +130,8 @@ class Conductor : public QObject, public QGraphicsPathItem {
 	virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
 	virtual QVariant itemChange(GraphicsItemChange, const QVariant &);
 	
+	bool				bMouseOver;
+
 	private:
 	/// Functional properties
 	ConductorProperties properties_;

sources/qetgraphicsitem/conductortextitem.cpp

@@ -30,7 +30,9 @@ ConductorTextItem::ConductorTextItem(Conductor *parent_conductor, Diagram *paren
 	parent_conductor_(parent_conductor),
 	moved_by_user_(false),
 	rotate_by_user_(false)
-{}
+{
+	setAcceptsHoverEvents(true);
+}
 
 /**
 	Constructeur
@@ -201,3 +203,40 @@ void ConductorTextItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
 		QGraphicsTextItem::mouseReleaseEvent(e);
 	}
 }
+
+
+
+/**
+	When mouse over element
+	change bMouseOver to true   (used in paint() function )
+	@param e  QGraphicsSceneHoverEvent
+*/
+void ConductorTextItem::hoverEnterEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+
+	bMouseOver = true;
+	QString str_ToolTip = toPlainText();
+	setToolTip( str_ToolTip );
+	update();
+}
+
+/**
+	When mouse over element leave the position
+	change bMouseOver to false(used in paint() function )
+	@param e  QGraphicsSceneHoverEvent
+*/
+void ConductorTextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+	//qDebug() << "Leave mouse over";
+	bMouseOver = false;
+	update();
+}
+
+/**
+	Do nothing default function .
+	@param e  QGraphicsSceneHoverEvent
+*/
+void ConductorTextItem::hoverMoveEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+	QGraphicsTextItem::hoverMoveEvent(e);
+}

sources/qetgraphicsitem/conductortextitem.h

@@ -57,6 +57,11 @@ class ConductorTextItem : public DiagramTextItem {
 	virtual void mouseMoveEvent    (QGraphicsSceneMouseEvent *event);
 	virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event);
 	
+	protected:
+	virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
+	virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
+	virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
+
 	// attributes
 	private:
 	Conductor *parent_conductor_;

sources/qetgraphicsitem/diagramtextitem.cpp

@@ -28,10 +28,12 @@
 */
 DiagramTextItem::DiagramTextItem(QGraphicsItem *parent, Diagram *parent_diagram) :
 	QGraphicsTextItem(parent, parent_diagram),
+	bMouseOver(false),
 	previous_text_(),
 	rotation_angle_(0.0),
 	m_first_move (true)
 {
+	setAcceptsHoverEvents(true);
 	build();
 }
 
@@ -43,10 +45,12 @@ DiagramTextItem::DiagramTextItem(QGraphicsItem *parent, Diagram *parent_diagram)
 */
 DiagramTextItem::DiagramTextItem(const QString &text, QGraphicsItem *parent, Diagram *parent_diagram) :
 	QGraphicsTextItem(text, parent, parent_diagram),
+	bMouseOver(false),
 	previous_text_(text),
 	rotation_angle_(0.0)
 {
 	build();
+	setAcceptsHoverEvents(true);
 }
 
 /// Destructeur
@@ -211,6 +215,24 @@ void DiagramTextItem::setFontSize(int &s) {
 void DiagramTextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
 	painter -> setRenderHint(QPainter::Antialiasing, false);
 	QGraphicsTextItem::paint(painter, option, widget);
+
+	if ( bMouseOver )		{
+		painter -> save();
+		// Annulation des renderhints
+		painter -> setRenderHint(QPainter::Antialiasing,          false);
+		painter -> setRenderHint(QPainter::TextAntialiasing,      false);
+		painter -> setRenderHint(QPainter::SmoothPixmapTransform, false);
+		// Dessin du cadre de selection en gris
+		QPen t;
+		t.setColor(Qt::gray);
+		t.setStyle(Qt::DashDotLine);
+		painter -> setPen(t);
+		// Le dessin se fait a partir du rectangle delimitant
+		//painter -> drawRoundRect(boundingRect().adjusted(1, 1, -1, -1), 10, 10);
+		painter -> drawRoundRect(boundingRect().adjusted(0, 0, 0, 0), 10, 10);
+		painter -> restore();
+	}
+
 }
 
 /**
@@ -366,3 +388,39 @@ void DiagramTextItem::edit() {
 	editor->show();
 }
 
+
+
+/**
+	When mouse over element
+	change bMouseOver to true   (used in paint() function )
+	@param e QGraphicsSceneHoverEvent
+*/
+void DiagramTextItem::hoverEnterEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+
+	bMouseOver = true;
+	QString str_ToolTip = toPlainText();
+	setToolTip( str_ToolTip );
+	update();
+}
+
+/**
+	When mouse over element leave the position
+	change bMouseOver to false (used in paint() function )
+	@param e QGraphicsSceneHoverEvent
+*/
+void DiagramTextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+	//qDebug() << "Leave mouse over";
+	bMouseOver = false;
+	update();
+}
+
+/**
+	Do nothing default function .
+	@param e QGraphicsSceneHoverEvent
+*/
+void DiagramTextItem::hoverMoveEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+	QGraphicsTextItem::hoverMoveEvent(e);
+}

sources/qetgraphicsitem/diagramtextitem.h

@@ -76,8 +76,13 @@ class DiagramTextItem : public QGraphicsTextItem {
 	virtual void mouseMoveEvent        (QGraphicsSceneMouseEvent *event);
 	virtual void mouseReleaseEvent     (QGraphicsSceneMouseEvent *event);
 
+	virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
+	virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
+	virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
+
 	virtual void applyRotation(const qreal &);
 	
+	bool bMouseOver;
 	signals:
 	/// signal emitted when the text field loses focus
 	void lostFocus();

sources/qetgraphicsitem/element.cpp

@@ -33,7 +33,8 @@
 Element::Element(QGraphicsItem *parent, Diagram *scene) :
 	QetGraphicsItem(parent),
 	internal_connections_(false),
-	must_highlight_(false)
+	must_highlight_(false),
+	bMouseOver(false)
 {
 	Q_UNUSED(scene);
 
@@ -41,7 +42,7 @@ Element::Element(QGraphicsItem *parent, Diagram *scene) :
 	uuid_ = QUuid::createUuid();
 	setZValue(10);
 	setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
-
+	setAcceptsHoverEvents(true);
 }
 
 /**
@@ -106,6 +107,8 @@ void Element::paint(QPainter *painter, const QStyleOptionGraphicsItem *options,
 	
 	// Dessin du cadre de selection si necessaire
 	if (isSelected()) drawSelection(painter, options);
+
+	if ( bMouseOver )		drawSelection(painter, options);
 }
 
 /**
@@ -540,3 +543,39 @@ bool comparPos(const Element *elmt1, const Element *elmt2) {
 		return elmt1->y() <= elmt2->pos().y();
 	return elmt1->pos().x() <= elmt2->pos().x();
 }
+
+
+/**
+	When mouse over element
+	change bMouseOver to true   (used in paint() function )
+	@param e QGraphicsSceneHoverEvent
+*/
+void Element::hoverEnterEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+
+	bMouseOver = true;
+	QString str_ToolTip = name();
+	setToolTip( str_ToolTip );
+	update();
+}
+
+/**
+	When mouse over element leave the position
+	change bMouseOver to false(used in paint() function )
+	@param e QGraphicsSceneHoverEvent
+*/
+void Element::hoverLeaveEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+	//qDebug() << "Leave mouse over";
+	bMouseOver = false;
+	update();
+}
+
+/**
+	Do nothing default function .
+	@param e QGraphicsSceneHoverEvent
+*/
+void Element::hoverMoveEvent(QGraphicsSceneHoverEvent *e) {
+	Q_UNUSED(e);
+	QGraphicsItem::hoverMoveEvent(e);
+}

sources/qetgraphicsitem/element.h

@@ -186,6 +186,14 @@ class Element : public QetGraphicsItem {
 	void drawSelection(QPainter *, const QStyleOptionGraphicsItem *);
 	void drawHighlight(QPainter *, const QStyleOptionGraphicsItem *);
 	void updatePixmap();
+
+	protected:
+	virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
+	virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
+	virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
+
+	bool bMouseOver;
+
 };
 
 bool comparPos(const Element * elmt1, const Element * elmt2);