From 4feb9376842703d34e2c3579de6c6fc448fb04e3 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Wed, 3 Oct 2018 16:07:10 +0300
Subject: [PATCH] Issue #2673: Provide N and P keys for traversing of
 highlighted entities

---
 src/ModuleBase/ModuleBase_IViewer.h | 3 +++
 src/XGUI/XGUI_OperationMgr.cpp      | 5 ++++-
 src/XGUI/XGUI_ViewerProxy.h         | 3 ++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/ModuleBase/ModuleBase_IViewer.h b/src/ModuleBase/ModuleBase_IViewer.h
index c58173af9..adfa441ec 100644
--- a/src/ModuleBase/ModuleBase_IViewer.h
+++ b/src/ModuleBase/ModuleBase_IViewer.h
@@ -129,6 +129,9 @@ Q_OBJECT
   /// Fit all along Z (perpendicular to display)
   //virtual void Zfitall() = 0;
 
+  /// Show highlight for pre-highlighted sub-shape
+  virtual void updateHighlight() {}
+
   static Handle(Prs3d_Drawer) DefaultHighlightDrawer;
 
 signals:
diff --git a/src/XGUI/XGUI_OperationMgr.cpp b/src/XGUI/XGUI_OperationMgr.cpp
index 1110d1b8d..a5f5b1bd6 100644
--- a/src/XGUI/XGUI_OperationMgr.cpp
+++ b/src/XGUI/XGUI_OperationMgr.cpp
@@ -644,9 +644,10 @@ void XGUI_OperationMgr::onOperationStopped()
 
 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 {
+  bool isAccepted = false;
+
   // Let the manager decide what to do with the given key combination.
   ModuleBase_Operation* anOperation = currentOperation();
-  bool isAccepted = false;
   switch (theEvent->key()) {
     case Qt::Key_Tab:
     case Qt::Key_Backtab:
@@ -684,6 +685,8 @@ bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
             aContext->HilightNextDetected(aView);
           else if ((theEvent->key() == Qt::Key_P))
             aContext->HilightPreviousDetected(aView);
+          aViewer->updateHighlight();
+          isAccepted = true;
         }
       }
     }
diff --git a/src/XGUI/XGUI_ViewerProxy.h b/src/XGUI/XGUI_ViewerProxy.h
index 178b99ab2..f9f104ff3 100644
--- a/src/XGUI/XGUI_ViewerProxy.h
+++ b/src/XGUI/XGUI_ViewerProxy.h
@@ -118,6 +118,8 @@ Q_OBJECT
   /// by mouse drugging. If this is impossible thet it has to return False.
   virtual bool canDragByMouse() const;
 
+  virtual void updateHighlight();
+
   // Fit all along Z (perpendicular to display)
   //virtual void Zfitall();
 
@@ -159,7 +161,6 @@ private slots:
  private:
    void displayHighlight();
    void eraseHighlight();
-   void updateHighlight();
 
   XGUI_Workshop* myWorkshop;
   ResultPtr myResult;
-- 
2.39.2