From a2b1c3915ff62f532590acaa58a17a2e60821413 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sat, 12 Mar 2016 22:35:36 +0100
Subject: [PATCH] + do not hide expression dialog when using the line edit's
 context-menu

---
 src/Gui/DlgExpressionInput.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Gui/DlgExpressionInput.cpp b/src/Gui/DlgExpressionInput.cpp
index dc70038c135c..77a1c268f698 100644
--- a/src/Gui/DlgExpressionInput.cpp
+++ b/src/Gui/DlgExpressionInput.cpp
@@ -24,6 +24,7 @@
 #include <QApplication>
 #include <QPainter>
 #include <QDesktopWidget>
+#include <QMenu>
 #include <QMouseEvent>
 
 #include "DlgExpressionInput.h"
@@ -242,6 +243,11 @@ bool DlgExpressionInput::eventFilter(QObject *obj, QEvent *ev)
         // on the size of the widget. Instead, it must be checked if the
         // cursor is on this or an underlying widget or outside.
         if (!underMouse()) {
+            // if the expression fields context-menu is open do not close the dialog
+            QMenu* menu = qobject_cast<QMenu*>(obj);
+            if (menu && menu->parentWidget() == ui->expression) {
+                return false;
+            }
             bool on = ui->expression->completerActive();
             // Do this only if the completer is not shown
             if (!on) {