From 43a3a658dc8c465136e3d01f96dd57b9a8620b7f Mon Sep 17 00:00:00 2001
From: vsv <vitaly.smetannikov@opencascade.com>
Date: Thu, 10 Apr 2014 15:56:23 +0400
Subject: [PATCH] Bug with shown scroll buttons in main menu is corrected

---
 src/XGUI/XGUI_Workbench.cpp | 12 ++++++++++++
 src/XGUI/XGUI_Workbench.h   |  1 +
 2 files changed, 13 insertions(+)

diff --git a/src/XGUI/XGUI_Workbench.cpp b/src/XGUI/XGUI_Workbench.cpp
index b3a1aee2b..996d5a7ae 100644
--- a/src/XGUI/XGUI_Workbench.cpp
+++ b/src/XGUI/XGUI_Workbench.cpp
@@ -50,6 +50,7 @@ XGUI_Workbench::XGUI_Workbench(QWidget *theParent)
 
   myCommandsArea = new CommandsArea(this);
   aMainLayout->addWidget(myCommandsArea);
+  myCommandsArea->viewport()->installEventFilter(this);
 
   myChildWidget = new QWidget(myCommandsArea);
   myCommandsArea->setWidget(myChildWidget);
@@ -159,3 +160,14 @@ bool XGUI_Workbench::isExceedsRight()
   int aWgtWidth = myChildWidget->childrenRect().width();
   return ((aVPWidth - aPos.x()) < aWgtWidth);
 }
+
+bool XGUI_Workbench::eventFilter(QObject *theObj, QEvent *theEvent)
+{
+  if (theObj == myCommandsArea->viewport()) {
+    if (theEvent->type() == QEvent::Resize) {
+      myLeftButton->setVisible(isExceedsLeft());
+      myRightButton->setVisible(isExceedsRight());
+    }
+  }
+  return QWidget::eventFilter(theObj, theEvent);
+}
\ No newline at end of file
diff --git a/src/XGUI/XGUI_Workbench.h b/src/XGUI/XGUI_Workbench.h
index cc362db2b..57b17d3be 100644
--- a/src/XGUI/XGUI_Workbench.h
+++ b/src/XGUI/XGUI_Workbench.h
@@ -27,6 +27,7 @@ private slots:
 
 protected:
   virtual void resizeEvent(QResizeEvent * theEvent);
+  virtual bool eventFilter(QObject *theObj, QEvent *theEvent);
 
 private:
   void addSeparator();
-- 
2.39.2