Subtle animation when the picture gets hovered with the mouse.

This patch adds a subtle animation when the picture gets hovered
with the mouse, and restored to it's original size when mouse exits
the image area.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/profile/divepixmapitem.cpp

@@ -1,5 +1,27 @@
 #include "divepixmapitem.h"
-
+#include "animationfunctions.h"
 DivePixmapItem::DivePixmapItem(QObject *parent) : QObject(parent), QGraphicsPixmapItem()
 {
 }
+
+DivePictureItem::DivePictureItem(QObject *parent): DivePixmapItem(parent)
+{
+	setAcceptsHoverEvents(true);
+	setScale(0.2);
+}
+
+void DivePictureItem::setPixmap(const QPixmap &pix)
+{
+	DivePixmapItem::setPixmap(pix);
+	setTransformOriginPoint(boundingRect().width()/2, boundingRect().height()/2);
+}
+
+void DivePictureItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+	Animations::scaleTo(this, 1.0);
+}
+
+void DivePictureItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+	Animations::scaleTo(this, 0.2);
+}

qt-ui/profile/divepixmapitem.h

@@ -14,4 +14,15 @@ public:
 	DivePixmapItem(QObject *parent = 0);
 };
 
+class DivePictureItem : public DivePixmapItem {
+	Q_OBJECT
+	Q_PROPERTY(qreal scale WRITE setScale READ scale)
+public:
+	DivePictureItem(QObject *parent = 0);
+	void setPixmap(const QPixmap& pix);
+protected:
+	void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+	void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+};
+
 #endif // DIVEPIXMAPITEM_H

qt-ui/profile/profilewidget2.cpp

@@ -1309,7 +1309,7 @@ void ProfileWidget2::plotPictures()
 		// information area.
 		if (!pic->timestamp)
 			continue;
-		DivePixmapItem *item = new DivePixmapItem();
+		DivePictureItem *item = new DivePictureItem();
 		item->setPixmap(m->index(i,0).data(Qt::DecorationRole).value<QPixmap>());
 		// TODO: put the item in the correct place. use the pic.timestamp to find where it belongs on the dive.
 		item->setPos(10 ,10);

qt-ui/profile/profilewidget2.h

@@ -43,6 +43,7 @@ class AbstractProfilePolygonItem;
 class DiveHandler;
 class QGraphicsSimpleTextItem;
 class QModelIndex;
+class DivePictureItem;
 
 class ProfileWidget2 : public QGraphicsView {
 	Q_OBJECT
@@ -160,7 +161,7 @@ private:
 	//specifics for ADD and PLAN
 	QList<DiveHandler *> handles;
 	QList<QGraphicsSimpleTextItem *> gases;
-	QList<DivePixmapItem*> pictures;
+	QList<DivePictureItem*> pictures;
 	void repositionDiveHandlers();
 	int fixHandlerIndex(DiveHandler *activeHandler);
 	friend class DiveHandler;