From: nds <natalia.donis@opencascade.com>
Date: Thu, 2 Apr 2015 14:34:10 +0000 (+0300)
Subject: Avoid blinking on the Redo functionality
X-Git-Tag: V_1.1.0~57^2~23
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=ad532551bce3a8a123b304d3ea4523dc09ce6490;p=modules%2Fshaper.git

Avoid blinking on the Redo functionality
---

diff --git a/src/XGUI/XGUI_Workshop.cpp b/src/XGUI/XGUI_Workshop.cpp
index 5a6992d57..027248cba 100644
--- a/src/XGUI/XGUI_Workshop.cpp
+++ b/src/XGUI/XGUI_Workshop.cpp
@@ -998,6 +998,12 @@ void XGUI_Workshop::onUndo(int theTimes)
 //******************************************************
 void XGUI_Workshop::onRedo(int theTimes)
 {
+  // the viewer update should be blocked in order to avoid the features blinking. For the created
+  // feature a results are created, the flush of the created signal caused the viewer redisplay for
+  // each created result. After a redisplay signal is flushed. So, the viewer update is blocked until
+  // redo of all possible objects happens
+  bool isUpdateEnabled = myDisplayer->enableUpdateViewer(false);
+
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
   if (aMgr->isOperation())
@@ -1006,6 +1012,10 @@ void XGUI_Workshop::onRedo(int theTimes)
     aMgr->redo();
   }
   updateCommandStatus();
+
+  // unblock the viewer update functionality and make update on purpose
+  myDisplayer->enableUpdateViewer(isUpdateEnabled);
+  myDisplayer->updateViewer();
 }
 
 //******************************************************