Support delete action if you select tool from label.

--HG--
branch : develop

src/app/tools/drawTools/vtoolpoint.cpp

@@ -48,6 +48,7 @@ VToolPoint::VToolPoint(VPattern *doc, VContainer *data, quint32 id, QGraphicsIte
     radius = qApp->toPixel(DefPointRadius/*mm*/, Unit::Mm);
     namePoint = new VGraphicsSimpleTextItem(this);
     connect(namePoint, &VGraphicsSimpleTextItem::ShowContextMenu, this, &VToolPoint::ShowContextMenu);
+    connect(namePoint, &VGraphicsSimpleTextItem::DeleteTool, this, &VToolPoint::DeleteFromLabel);
     namePoint->setBrush(Qt::black);
     lineName = new QGraphicsLineItem(this);
     lineName->setPen(QPen(Qt::black));
@@ -182,6 +183,12 @@ void VToolPoint::Disable(bool disable)
     DisableItem(this, disable);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolPoint::DeleteFromLabel()
+{
+    DeleteTool(); //Leave this method immediately after call!!!
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief mouseReleaseEvent  handle mouse release events.

src/app/tools/drawTools/vtoolpoint.h

@@ -56,6 +56,7 @@ public slots:
     virtual void            SetFactor(qreal factor);
     virtual void            ShowContextMenu(QGraphicsSceneContextMenuEvent *event);
     void                    Disable(bool disable);
+    void                    DeleteFromLabel();
 protected:
     /** @brief radius radius circle. */
     qreal                   radius;

src/app/visualization/vgraphicssimpletextitem.cpp

@@ -46,6 +46,7 @@ VGraphicsSimpleTextItem::VGraphicsSimpleTextItem(QGraphicsItem * parent)
     this->setFlag(QGraphicsItem::ItemIsMovable, true);
     this->setFlag(QGraphicsItem::ItemIsSelectable, true);
     this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
+    this->setFlag(QGraphicsItem::ItemIsFocusable, true);
     this->setAcceptHoverEvents(true);
     QFont font = this->font();
     font.setPointSize(font.pointSize()+20);
@@ -156,3 +157,17 @@ void VGraphicsSimpleTextItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
     }
     QGraphicsSimpleTextItem::mouseReleaseEvent(event);
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VGraphicsSimpleTextItem::keyReleaseEvent(QKeyEvent *event)
+{
+    switch (event->key())
+    {
+        case Qt::Key_Delete:
+            emit DeleteTool();
+            return; //Leave this method immediately after call!!!
+        default:
+            break;
+    }
+    QGraphicsSimpleTextItem::keyReleaseEvent ( event );
+}

src/app/visualization/vgraphicssimpletextitem.h

@@ -58,6 +58,7 @@ signals:
      * @param event context menu event.
      */
     void         ShowContextMenu(QGraphicsSceneContextMenuEvent *event);
+    void         DeleteTool();
 protected:
     QVariant     itemChange ( GraphicsItemChange change, const QVariant &value );
     virtual void hoverEnterEvent ( QGraphicsSceneHoverEvent *event );
@@ -65,6 +66,7 @@ protected:
     virtual void contextMenuEvent ( QGraphicsSceneContextMenuEvent *event );
     virtual void mousePressEvent( QGraphicsSceneMouseEvent * event );
     virtual void mouseReleaseEvent ( QGraphicsSceneMouseEvent * event );
+    virtual void keyReleaseEvent ( QKeyEvent * event );
 private:
     /** @brief fontSize label font size. */
     qint32       fontSize;