From b2671a2abbd0c3101a3b963c91dd9dbc5b6018bb Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Thu, 17 Sep 2015 07:58:07 +0300
Subject: [PATCH] Issue #986 activate field after apply constarint on one
 object

It blocks signals of widgets, which are to be removed
---
 src/XGUI/XGUI_PropertyPanel.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/XGUI/XGUI_PropertyPanel.cpp b/src/XGUI/XGUI_PropertyPanel.cpp
index 3efd40177..89cc82a27 100644
--- a/src/XGUI/XGUI_PropertyPanel.cpp
+++ b/src/XGUI/XGUI_PropertyPanel.cpp
@@ -83,6 +83,17 @@ void XGUI_PropertyPanel::cleanContent()
 {
   if (myActiveWidget)
     myActiveWidget->deactivate();
+
+  // as the widgets are deleted later, it is important that the signals
+  // of these widgets are not processed. An example of the error is issue 986.
+  QList<ModuleBase_ModelWidget*>::const_iterator anIt = myWidgets.begin(),
+                                                 aLast = myWidgets.end();
+  for (; anIt != aLast; anIt++) {
+    QWidget* aWidget = *anIt;
+    if (aWidget)
+      aWidget->blockSignals(true);
+  }
+
   myWidgets.clear();
   myPanelPage->clearPage();
   myActiveWidget = NULL;
-- 
2.39.2