From 4520454d1740efbe34a37b16765a5ba15058b701 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sat, 21 Jul 2012 18:16:15 +0200
Subject: [PATCH] 0000801: Accidental Cancel in set colors destroys all the
 work

---
 src/Mod/Part/Gui/TaskFaceColors.cpp | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/Mod/Part/Gui/TaskFaceColors.cpp b/src/Mod/Part/Gui/TaskFaceColors.cpp
index 96204f66c..61a112e90 100644
--- a/src/Mod/Part/Gui/TaskFaceColors.cpp
+++ b/src/Mod/Part/Gui/TaskFaceColors.cpp
@@ -26,6 +26,7 @@
 #ifndef _PreComp_
 # include <TopExp_Explorer.hxx>
 # include <TopTools_IndexedMapOfShape.hxx>
+# include <QMessageBox>
 # include <QSet>
 #endif
 
@@ -194,10 +195,17 @@ bool FaceColors::accept()
 
 bool FaceColors::reject()
 {
-    Gui::Document* doc = Gui::Application::Instance->getDocument(d->vp->getObject()->getDocument());
-    doc->resetEdit();
-    d->vp->DiffuseColor.setValues(d->current);
-    return true;
+    int ret = QMessageBox::question(this, tr("Face colors"), tr("Do you really want to cancel?"),
+        QMessageBox::Yes, QMessageBox::No|QMessageBox::Default|QMessageBox::Escape);
+    if (ret == QMessageBox::Yes) {
+        Gui::Document* doc = Gui::Application::Instance->getDocument(d->vp->getObject()->getDocument());
+        doc->resetEdit();
+        d->vp->DiffuseColor.setValues(d->current);
+        return true;
+    }
+    else {
+        return false;
+    }
 }
 
 void FaceColors::changeEvent(QEvent *e)