From 8d373f91af8994b458f185facfce49c5c78a8e13 Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Wed, 25 May 2016 11:16:21 +0300
Subject: [PATCH] Show direction for VSimpleCurve.

--HG--
branch : develop
---
 src/libs/vwidgets/vabstractsimple.h |  4 ++--
 src/libs/vwidgets/vsimplecurve.cpp  | 32 +++++++++++++++++++++--------
 src/libs/vwidgets/vsimplecurve.h    |  3 +++
 3 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/src/libs/vwidgets/vabstractsimple.h b/src/libs/vwidgets/vabstractsimple.h
index 7bcbac68c..42820d60d 100644
--- a/src/libs/vwidgets/vabstractsimple.h
+++ b/src/libs/vwidgets/vabstractsimple.h
@@ -101,11 +101,11 @@ void VAbstractSimple::SetPen(T *item, const QColor &color, qreal width)
 {
     if (factor == nullptr)
     {
-        item->setPen(QPen(CorrectColor(color), ToPixel(width, patternUnit)));
+        item->setPen(QPen(CorrectColor(color), ToPixel(width, patternUnit), Qt::SolidLine, Qt::RoundCap));
     }
     else
     {
-        item->setPen(QPen(CorrectColor(color), ToPixel(width, patternUnit)/ *factor));
+        item->setPen(QPen(CorrectColor(color), ToPixel(width, patternUnit)/ *factor, Qt::SolidLine, Qt::RoundCap));
     }
 }
 
diff --git a/src/libs/vwidgets/vsimplecurve.cpp b/src/libs/vwidgets/vsimplecurve.cpp
index 25d39522c..daeb2f184 100644
--- a/src/libs/vwidgets/vsimplecurve.cpp
+++ b/src/libs/vwidgets/vsimplecurve.cpp
@@ -38,7 +38,8 @@
 VSimpleCurve::VSimpleCurve(quint32 id, const QColor &currentColor, Unit patternUnit, qreal *factor, QObject *parent)
     : VAbstractSimple(id, currentColor, patternUnit, factor, parent),
       QGraphicsPathItem(),
-      m_curve()
+      m_curve(),
+      m_isHovered(false)
 {
     this->setBrush(QBrush(Qt::NoBrush));
     SetPen(this, currentColor, WidthHairLine(patternUnit));
@@ -66,14 +67,7 @@ void VSimpleCurve::ChangedActivDraw(bool flag)
 void VSimpleCurve::RefreshGeometry(const QSharedPointer<VAbstractCurve> &curve)
 {
     m_curve = curve;
-    if (not curve.isNull())
-    {
-        setPath(curve->GetPath(PathDirection::Hide));
-    }
-    else
-    {
-        qWarning() << tr("VSimpleCurve::RefreshGeometry: pointer to curve is null.");
-    }
+    ShowPath();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -129,14 +123,18 @@ void VSimpleCurve::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 //---------------------------------------------------------------------------------------------------------------------
 void VSimpleCurve::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 {
+    m_isHovered = true;
     SetPen(this, currentColor, WidthMainLine(patternUnit));
+    ShowPath();
     QGraphicsPathItem::hoverEnterEvent(event);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void VSimpleCurve::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 {
+    m_isHovered = false;
     SetPen(this, currentColor, WidthHairLine(patternUnit));
+    ShowPath();
     QGraphicsPathItem::hoverLeaveEvent(event);
 }
 
@@ -150,3 +148,19 @@ QVariant VSimpleCurve::itemChange(QGraphicsItem::GraphicsItemChange change, cons
 
     return QGraphicsPathItem::itemChange(change, value);
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VSimpleCurve::ShowPath()
+{
+    if (not m_curve.isNull())
+    {
+        QPainterPath path;
+        m_isHovered ? path = m_curve->GetPath(PathDirection::Show) : path = m_curve->GetPath(PathDirection::Hide);
+        path.setFillRule( Qt::WindingFill );
+        setPath(path);
+    }
+    else
+    {
+        qWarning() << tr("VSimpleCurve::RefreshGeometry: pointer to curve is null.");
+    }
+}
diff --git a/src/libs/vwidgets/vsimplecurve.h b/src/libs/vwidgets/vsimplecurve.h
index 7beba37f8..a50881f2f 100644
--- a/src/libs/vwidgets/vsimplecurve.h
+++ b/src/libs/vwidgets/vsimplecurve.h
@@ -74,6 +74,9 @@ private:
     Q_DISABLE_COPY(VSimpleCurve)
 
     QSharedPointer<VAbstractCurve> m_curve;
+    bool m_isHovered;
+
+    void ShowPath();
 };
 
 #endif // VSIMPLECURVE_H