diff --git a/src/container/calculator.h b/src/container/calculator.h
index 34513faf0..6618e310a 100644
--- a/src/container/calculator.h
+++ b/src/container/calculator.h
@@ -158,6 +158,7 @@ private:
      * @brief serror report an error
      * @param error error code
      */
+    // cppcheck-suppress functionStatic
     void        serror(qint32 error);
     /**
      * @brief look_up finding the internal format for the current token in the token table.
diff --git a/src/container/vcontainer.cpp b/src/container/vcontainer.cpp
index 0a7e7c59a..a3319346c 100644
--- a/src/container/vcontainer.cpp
+++ b/src/container/vcontainer.cpp
@@ -215,7 +215,7 @@ void VContainer::UpdateId(qint64 newId)
     }
 }
 
-QVector<QPointF> VContainer::CorrectEquidistantPoints(const QVector<QPointF> &points) const
+QVector<QPointF> VContainer::CorrectEquidistantPoints(const QVector<QPointF> &points)
 {
     QVector<QPointF> correctPoints;
     if(points.size()<4)//Better don't check if only three points. We can destroy equidistant.
@@ -387,7 +387,7 @@ QPainterPath VContainer::ContourPath(qint64 idDetail) const
     return path;
 }
 
-QVector<QPointF> VContainer::biasPoints(const QVector<QPointF> &points, const qreal &mx, const qreal &my) const
+QVector<QPointF> VContainer::biasPoints(const QVector<QPointF> &points, const qreal &mx, const qreal &my)
 {
     QVector<QPointF> p;
     for (qint32 i = 0; i < points.size(); ++i)
@@ -400,7 +400,7 @@ QVector<QPointF> VContainer::biasPoints(const QVector<QPointF> &points, const qr
     return p;
 }
 
-QPainterPath VContainer::Equidistant(QVector<QPointF> points, const Detail::Equidistant &eqv, const qreal &width) const
+QPainterPath VContainer::Equidistant(QVector<QPointF> points, const Detail::Equidistant &eqv, const qreal &width)
 {
     QPainterPath ekv;
     QVector<QPointF> ekvPoints;
@@ -483,7 +483,7 @@ QPointF VContainer::SingleParallelPoint(const QLineF &line, const qreal &angle,
     return pLine.p2();
 }
 
-QVector<QPointF> VContainer::EkvPoint(const QLineF &line1, const QLineF &line2, const qreal &width) const
+QVector<QPointF> VContainer::EkvPoint(const QLineF &line1, const QLineF &line2, const qreal &width)
 {
     Q_ASSERT(width > 0);
     QVector<QPointF> points;
@@ -533,7 +533,7 @@ QVector<QPointF> VContainer::EkvPoint(const QLineF &line1, const QLineF &line2,
     return points;
 }
 
-QVector<QPointF> VContainer::CheckLoops(const QVector<QPointF> &points) const
+QVector<QPointF> VContainer::CheckLoops(const QVector<QPointF> &points)
 {
     QVector<QPointF> ekvPoints;
     /*If we got less than 4 points no need seek loops.*/
@@ -848,7 +848,7 @@ void VContainer::CreateManTableIGroup ()
     AddStandardTableCell("Sb", VStandardTableRow(492, 15, 5));
 }
 
-QVector<QPointF> VContainer::GetReversePoint(const QVector<QPointF> &points) const
+QVector<QPointF> VContainer::GetReversePoint(const QVector<QPointF> &points)
 {
     Q_ASSERT(points.size() > 0);
     QVector<QPointF> reversePoints;
@@ -859,7 +859,7 @@ QVector<QPointF> VContainer::GetReversePoint(const QVector<QPointF> &points) con
     return reversePoints;
 }
 
-qreal VContainer::GetLengthContour(const QVector<QPointF> &contour, const QVector<QPointF> &newPoints) const
+qreal VContainer::GetLengthContour(const QVector<QPointF> &contour, const QVector<QPointF> &newPoints)
 {
     qreal length = 0;
     QVector<QPointF> points;
diff --git a/src/container/vcontainer.h b/src/container/vcontainer.h
index e19823197..344f8af65 100644
--- a/src/container/vcontainer.h
+++ b/src/container/vcontainer.h
@@ -204,6 +204,7 @@ public:
      * @param secondPoint id of second point of line
      * @return name of line
      */
+    // cppcheck-suppress functionStatic
     QString             GetNameLine(const qint64 &firstPoint, const qint64 &secondPoint) const;
     /**
      * @brief GetNameLineAngle return name of line angle
@@ -211,6 +212,7 @@ public:
      * @param secondPoint id of second point of line
      * @return name of angle of line
      */
+    // cppcheck-suppress functionStatic
     QString             GetNameLineAngle(const qint64 &firstPoint, const qint64 &secondPoint) const;
     /**
      * @brief UpdatePoint update point by id
@@ -373,7 +375,12 @@ public:
      * @param newId id
      */
     static void         UpdateId(qint64 newId);
-    QVector<QPointF>    CorrectEquidistantPoints(const QVector<QPointF> &points) const;
+    /**
+     * @brief CorrectEquidistantPoints clear equivalent points and remove point on line from equdistant.
+     * @param points list of points equdistant.
+     * @return corrected list.
+     */
+    static QVector<QPointF> CorrectEquidistantPoints(const QVector<QPointF> &points);
     /**
      * @brief ContourPath create painter path for detail
      * @param idDetail id of detail
@@ -387,7 +394,7 @@ public:
      * @param my offset respect to y
      * @return new vector biased points
      */
-    QVector<QPointF>    biasPoints(const QVector<QPointF> &points, const qreal &mx, const qreal &my) const;
+    static QVector<QPointF> biasPoints(const QVector<QPointF> &points, const qreal &mx, const qreal &my);
     /**
      * @brief Equidistant create equidistant painter path for detail
      * @param points vector of points
@@ -395,7 +402,7 @@ public:
      * @param width width of equidistant
      * @return return painter path of equidistant
      */
-    QPainterPath        Equidistant(QVector<QPointF> points, const Detail::Equidistant &eqv, const qreal &width)const;
+    static QPainterPath Equidistant(QVector<QPointF> points, const Detail::Equidistant &eqv, const qreal &width);
     /**
      * @brief ParallelLine create parallel line
      * @param line starting line
@@ -418,13 +425,13 @@ public:
      * @param width width of equidistant
      * @return vector of points
      */
-    QVector<QPointF>    EkvPoint(const QLineF &line1, const QLineF &line2, const qreal &width)const;
+    static QVector<QPointF> EkvPoint(const QLineF &line1, const QLineF &line2, const qreal &width);
     /**
      * @brief CheckLoops seek and delete loops in equidistant
      * @param points vector of points of equidistant
      * @return vector of points of equidistant
      */
-    QVector<QPointF>    CheckLoops(const QVector<QPointF> &points) const;
+    static QVector<QPointF>    CheckLoops(const QVector<QPointF> &points);
     /**
      * @brief PrepareDetails prepare detail for creation layout
      * @param list list of details
@@ -480,14 +487,14 @@ private:
      * @param points container with points
      * @return reverced points
      */
-    QVector<QPointF>   GetReversePoint(const QVector<QPointF> &points)const;
+    static QVector<QPointF> GetReversePoint(const QVector<QPointF> &points);
     /**
      * @brief GetLengthContour return length of contour
      * @param contour container with points of contour
      * @param newPoints point whos we try to add to contour
      * @return length length of contour
      */
-    qreal              GetLengthContour(const QVector<QPointF> &contour, const QVector<QPointF> &newPoints)const;
+    static qreal            GetLengthContour(const QVector<QPointF> &contour, const QVector<QPointF> &newPoints);
     template <typename key, typename val>
     /**
      * @brief GetObject return object from container
@@ -495,6 +502,7 @@ private:
      * @param id id of object
      * @return Object
      */
+    // cppcheck-suppress functionStatic
     const val GetObject(const QHash<key, val> &obj, key id) const;
     template <typename key, typename val>
     /**
@@ -503,6 +511,7 @@ private:
      * @param id id of object
      * @return Object
      */
+    // cppcheck-suppress functionStatic
     val GetVariable(const QHash<key, val> &obj, key id) const;
     template <typename val>
     /**
diff --git a/src/geometry/vdetail.cpp b/src/geometry/vdetail.cpp
index fc9573850..61b112d47 100644
--- a/src/geometry/vdetail.cpp
+++ b/src/geometry/vdetail.cpp
@@ -268,7 +268,7 @@ QVector<VNodeDetail> VDetail::listNodePoint() const
     return list;
 }
 
-ptrdiff_t VDetail::indexOfNode(const QVector<VNodeDetail> &list, const qint64 &id) const
+ptrdiff_t VDetail::indexOfNode(const QVector<VNodeDetail> &list, const qint64 &id)
 {
     for (ptrdiff_t i = 0; i < list.size(); ++i)
     {
diff --git a/src/geometry/vdetail.h b/src/geometry/vdetail.h
index 189b2dcd0..9bdaa6eaf 100644
--- a/src/geometry/vdetail.h
+++ b/src/geometry/vdetail.h
@@ -282,7 +282,7 @@ private:
      * @param id object (arc, point, spline, splinePath) id.
      * @return index in list or -1 id can't find.
      */
-    ptrdiff_t      indexOfNode(const QVector<VNodeDetail> &list, const qint64 &id) const;
+    static ptrdiff_t     indexOfNode(const QVector<VNodeDetail> &list, const qint64 &id);
 };
 
 #endif // VDETAIL_H
diff --git a/src/geometry/vspline.cpp b/src/geometry/vspline.cpp
index 4b0c0c68e..ecde28308 100644
--- a/src/geometry/vspline.cpp
+++ b/src/geometry/vspline.cpp
@@ -326,6 +326,7 @@ void VSpline::PointBezier_r ( qreal x1, qreal y1, qreal x2, qreal y2,
                 da1 = x3 - x1;
                 da2 = y3 - y1;
                 d3  = k * (da1*dx + da2*dy);
+                // cppcheck-suppress incorrectLogicOperator
                 if (d2 > 0 && d2 < 1 && d3 > 0 && d3 < 1)
                 {
                     // Simple collinear case, 1---2---3---4
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index bef6bcc0f..e2d5fd966 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -93,13 +93,12 @@ MainWindow::MainWindow(QWidget *parent)
 {
     ui->setupUi(this);
     static const char * GENERIC_ICON_TO_CHECK = "document-open";
-    static const char * FALLBACK_ICON_THEME = "win.icon.theme";
     if (!QIcon::hasThemeIcon(GENERIC_ICON_TO_CHECK)) {
         //If there is no default working icon theme then we should
         //use an icon theme that we provide via a .qrc file
         //This case happens under Windows and Mac OS X
         //This does not happen under GNOME or KDE
-        QIcon::setThemeName(FALLBACK_ICON_THEME);
+        QIcon::setThemeName("win.icon.theme");
         ui->actionNew->setIcon(QIcon::fromTheme("document-new"));
         ui->actionOpen->setIcon(QIcon::fromTheme("document-open"));
         ui->actionSave->setIcon(QIcon::fromTheme("document-save"));
diff --git a/src/tools/drawTools/vtoolalongline.cpp b/src/tools/drawTools/vtoolalongline.cpp
index d08b36ec9..5fab3be25 100644
--- a/src/tools/drawTools/vtoolalongline.cpp
+++ b/src/tools/drawTools/vtoolalongline.cpp
@@ -86,6 +86,7 @@ void VToolAlongLine::SetFactor(qreal factor)
     RefreshGeometry();
 }
 
+//cppcheck-suppress unusedFunction
 void VToolAlongLine::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
 {
     ContextMenu(dialogAlongLine, this, event);
diff --git a/src/tools/drawTools/vtoolarc.cpp b/src/tools/drawTools/vtoolarc.cpp
index bc9dce3f8..40fef4eb8 100644
--- a/src/tools/drawTools/vtoolarc.cpp
+++ b/src/tools/drawTools/vtoolarc.cpp
@@ -226,12 +226,14 @@ void VToolArc::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
     QGraphicsItem::mouseReleaseEvent(event);
 }
 
+//cppcheck-suppress unusedFunction
 void VToolArc::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
 {
     Q_UNUSED(event);
     this->setPen(QPen(currentColor, widthMainLine/factor));
 }
 
+//cppcheck-suppress unusedFunction
 void VToolArc::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 {
     Q_UNUSED(event);
diff --git a/src/tools/drawTools/vtoolpointofcontact.cpp b/src/tools/drawTools/vtoolpointofcontact.cpp
index 63aa548be..3ff52733a 100644
--- a/src/tools/drawTools/vtoolpointofcontact.cpp
+++ b/src/tools/drawTools/vtoolpointofcontact.cpp
@@ -35,7 +35,7 @@ VToolPointOfContact::VToolPointOfContact(VDomDocument *doc, VContainer *data, co
                                          const QString &radius, const qint64 &center,
                                          const qint64 &firstPointId, const qint64 &secondPointId,
                                          const Tool::Sources &typeCreation, QGraphicsItem *parent)
-    : VToolPoint(doc, data, id, parent), radius(radius), center(center), firstPointId(firstPointId),
+    : VToolPoint(doc, data, id, parent), arcRadius(radius), center(center), firstPointId(firstPointId),
       secondPointId(secondPointId), dialogPointOfContact(QSharedPointer<DialogPointOfContact>())
 {
     if (typeCreation == Tool::FromGui)
@@ -52,7 +52,7 @@ void VToolPointOfContact::setDialog()
 {
     Q_ASSERT(dialogPointOfContact.isNull() == false);
     const VPointF *p = VAbstractTool::data.GeometricObject<const VPointF *>(id);
-    dialogPointOfContact->setRadius(radius);
+    dialogPointOfContact->setRadius(arcRadius);
     dialogPointOfContact->setCenter(center, id);
     dialogPointOfContact->setFirstPoint(firstPointId, id);
     dialogPointOfContact->setSecondPoint(secondPointId, id);
@@ -154,7 +154,7 @@ void VToolPointOfContact::FullUpdateFromFile()
     QDomElement domElement = doc->elementById(QString().setNum(id));
     if (domElement.isElement())
     {
-        radius = domElement.attribute(AttrRadius, "");
+        arcRadius = domElement.attribute(AttrRadius, "");
         center = domElement.attribute(AttrCenter, "").toLongLong();
         firstPointId = domElement.attribute(AttrFirstPoint, "").toLongLong();
         secondPointId = domElement.attribute(AttrSecondPoint, "").toLongLong();
@@ -207,7 +207,7 @@ void VToolPointOfContact::AddToFile()
     SetAttribute(domElement, AttrMx, toMM(point->mx()));
     SetAttribute(domElement, AttrMy, toMM(point->my()));
 
-    SetAttribute(domElement, AttrRadius, radius);
+    SetAttribute(domElement, AttrRadius, arcRadius);
     SetAttribute(domElement, AttrCenter, center);
     SetAttribute(domElement, AttrFirstPoint, firstPointId);
     SetAttribute(domElement, AttrSecondPoint, secondPointId);
@@ -224,7 +224,7 @@ void VToolPointOfContact::RefreshDataInFile()
         SetAttribute(domElement, AttrName, point->name());
         SetAttribute(domElement, AttrMx, toMM(point->mx()));
         SetAttribute(domElement, AttrMy, toMM(point->my()));
-        SetAttribute(domElement, AttrRadius, radius);
+        SetAttribute(domElement, AttrRadius, arcRadius);
         SetAttribute(domElement, AttrCenter, center);
         SetAttribute(domElement, AttrFirstPoint, firstPointId);
         SetAttribute(domElement, AttrSecondPoint, secondPointId);
diff --git a/src/tools/drawTools/vtoolpointofcontact.h b/src/tools/drawTools/vtoolpointofcontact.h
index 680f19a69..390451bea 100644
--- a/src/tools/drawTools/vtoolpointofcontact.h
+++ b/src/tools/drawTools/vtoolpointofcontact.h
@@ -51,7 +51,7 @@ public:
                     * @param parent parent object.
                     */
                    VToolPointOfContact(VDomDocument *doc, VContainer *data, const qint64 &id,
-                                       const QString &radius, const qint64 &center,
+                                       const QString &arcRadius, const qint64 &center,
                                        const qint64 &firstPointId, const qint64 &secondPointId,
                                        const Tool::Sources &typeCreation, QGraphicsItem * parent = 0);
     /**
@@ -66,7 +66,7 @@ public:
      * @param secondPoint second line point.
      * @return point intersection.
      */
-    static QPointF FindPoint(const qreal &radius, const QPointF &center, const QPointF &firstPoint,
+    static QPointF FindPoint(const qreal &arcRadius, const QPointF &center, const QPointF &firstPoint,
                              const QPointF &secondPoint);
     /**
      * @brief Create help create tool from GUI.
@@ -93,7 +93,7 @@ public:
      * @param parse parser file mode.
      * @param typeCreation way we create this tool.
      */
-    static void    Create(const qint64 _id, const QString &radius, const qint64 &center,
+    static void    Create(const qint64 _id, const QString &arcRadius, const qint64 &center,
                           const qint64 &firstPointId, const qint64 &secondPointId, const QString &pointName,
                           const qreal &mx, const qreal &my, VMainGraphicsScene  *scene, VDomDocument *doc,
                           VContainer *data, const Document::Documents &parse, const Tool::Sources &typeCreation);
@@ -140,7 +140,7 @@ private:
     /**
      * @brief radius string with formula radius arc.
      */
-    QString        radius;
+    QString        arcRadius;
     /**
      * @brief center id center arc point.
      */
diff --git a/src/tools/vtooldetail.cpp b/src/tools/vtooldetail.cpp
index 8ac10239e..d96629519 100644
--- a/src/tools/vtooldetail.cpp
+++ b/src/tools/vtooldetail.cpp
@@ -385,6 +385,7 @@ void VToolDetail::RefreshGeometry()
 }
 
 template <typename Tool>
+//cppcheck-suppress unusedFunction
 void VToolDetail::InitTool(VMainGraphicsScene *scene, const VNodeDetail &node)
 {
     QHash<qint64, VDataTool*>* tools = doc->getTools();
diff --git a/src/widgets/doubledelegate.cpp b/src/widgets/doubledelegate.cpp
index cf03ee353..ebad08516 100644
--- a/src/widgets/doubledelegate.cpp
+++ b/src/widgets/doubledelegate.cpp
@@ -30,6 +30,7 @@
 
 #include <QDoubleSpinBox>
 
+//cppcheck-suppress unusedFunction
 QWidget *DoubleSpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option,
                                              const QModelIndex &index ) const
 {
@@ -43,6 +44,7 @@ QWidget *DoubleSpinBoxDelegate::createEditor(QWidget *parent, const QStyleOption
     return editor;
 }
 
+//cppcheck-suppress unusedFunction
 void DoubleSpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
 {
     qreal value = index.model()->data(index, Qt::EditRole).toDouble();
@@ -52,6 +54,7 @@ void DoubleSpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &in
     spinBox->setValue(value);
 }
 
+//cppcheck-suppress unusedFunction
 void DoubleSpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
 {
     QDoubleSpinBox *spinBox = qobject_cast<QDoubleSpinBox*>(editor);
@@ -62,6 +65,7 @@ void DoubleSpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *mo
     model->setData(index, value, Qt::EditRole);
 }
 
+//cppcheck-suppress unusedFunction
 void DoubleSpinBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option,
                                                  const QModelIndex &index) const
 {
diff --git a/src/widgets/vmaingraphicsview.cpp b/src/widgets/vmaingraphicsview.cpp
index d17023090..c65e2206a 100644
--- a/src/widgets/vmaingraphicsview.cpp
+++ b/src/widgets/vmaingraphicsview.cpp
@@ -42,6 +42,7 @@ VMainGraphicsView::VMainGraphicsView(QWidget *parent)
     this->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
 }
 
+//cppcheck-suppress unusedFunction
 void VMainGraphicsView::wheelEvent(QWheelEvent *event)
 {
     int numSteps = event->delta() / 8 / 15;  // see QWheelEvent documentation