A keyboard input focus for class VSimpleCurve.

--HG--
branch : develop

src/libs/vtools/tools/drawTools/operation/vtoolrotation.cpp

@@ -953,6 +953,7 @@ VSimpleCurve *VToolRotation::InitCurve(quint32 id, VContainer *data, GOType curv
     curve->SetType(curveType);
     connect(curve, &VSimpleCurve::Selected, this, &VToolRotation::ObjectSelected);
     connect(curve, &VSimpleCurve::ShowContextMenu, this, &VToolRotation::contextMenuEvent);
+    connect(curve, &VSimpleCurve::Delete, this, &VToolRotation::DeleteFromLabel);
     curve->RefreshGeometry(VAbstractTool::data.GeometricObject<VAbstractCurve>(id));
     rObjects.insert(id, curve);
     return curve;

src/libs/vwidgets/vabstractsimple.h

@@ -58,6 +58,7 @@ public:
 
 signals:
     void ShowContextMenu(QGraphicsSceneContextMenuEvent * event);
+    void Delete();
 
 public slots:
     void ContextMenu(QGraphicsSceneContextMenuEvent * event);

src/libs/vwidgets/vsimplecurve.cpp

@@ -33,6 +33,7 @@
 #include <QDebug>
 #include <QGraphicsSceneMouseEvent>
 #include <QGraphicsScene>
+#include <QKeyEvent>
 
 //---------------------------------------------------------------------------------------------------------------------
 VSimpleCurve::VSimpleCurve(quint32 id, const QColor &currentColor, Unit patternUnit, qreal *factor, QObject *parent)
@@ -44,6 +45,7 @@ VSimpleCurve::VSimpleCurve(quint32 id, const QColor &currentColor, Unit patternU
     this->setBrush(QBrush(Qt::NoBrush));
     SetPen(this, currentColor, WidthHairLine(patternUnit));
     this->setAcceptHoverEvents(true);
+    this->setFlag(QGraphicsItem::ItemIsFocusable, true);// For keyboard input focus
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -155,6 +157,20 @@ void VSimpleCurve::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
     emit ShowContextMenu(event);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VSimpleCurve::keyReleaseEvent(QKeyEvent *event)
+{
+    switch (event->key())
+    {
+        case Qt::Key_Delete:
+            emit Delete();
+            return; //Leave this method immediately after call!!!
+        default:
+            break;
+    }
+    QGraphicsPathItem::keyReleaseEvent ( event );
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VSimpleCurve::ShowPath()
 {

src/libs/vwidgets/vsimplecurve.h

@@ -57,7 +57,6 @@ signals:
      */
     void Choosed(quint32 id);
     void Selected(bool selected, quint32 id);
-    void Delete();
 
 public slots:
     void CurveChoosed();
@@ -70,6 +69,7 @@ protected:
     virtual void     hoverLeaveEvent ( QGraphicsSceneHoverEvent * event ) Q_DECL_OVERRIDE;
     virtual QVariant itemChange ( GraphicsItemChange change, const QVariant &value ) Q_DECL_OVERRIDE;
     virtual void     contextMenuEvent ( QGraphicsSceneContextMenuEvent * event ) Q_DECL_OVERRIDE;
+    virtual void     keyReleaseEvent ( QKeyEvent * event ) Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(VSimpleCurve)

src/libs/vwidgets/vsimplepoint.h

@@ -64,7 +64,6 @@ signals:
      */
     void Choosed(quint32 id);
     void Selected(bool selected, quint32 id);
-    void Delete();
     void NameChangedPosition(const QPointF &pos, quint32 id);
 
 public slots: