diff --git a/src/Gui/BlenderNavigationStyle.cpp b/src/Gui/BlenderNavigationStyle.cpp
index 948acc6db..4f93dc98c 100644
--- a/src/Gui/BlenderNavigationStyle.cpp
+++ b/src/Gui/BlenderNavigationStyle.cpp
@@ -191,6 +191,31 @@ SbBool BlenderNavigationStyle::processSoEvent(const SoEvent * const ev)
             else if (viewer->isEditing() && (this->currentmode == NavigationStyle::SPINNING)) {
                 processed = true;
             }
+            // issue #0002433: avoid to swallow the UP event if down the
+            // scene graph somewhere a dialog gets opened
+            else if (press) {
+                SbTime tmp = (ev->getTime() - mouseDownConsumedEvent.getTime());
+                float dci = (float)QApplication::doubleClickInterval()/1000.0f;
+                // a double-click?
+                if (tmp.getValue() < dci) {
+                    mouseDownConsumedEvent = *event;
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    processed = true;
+                }
+                else {
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    // 'ANY' is used to mark that we don't know yet if it will
+                    // be a double-click event.
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
+            else if (!press) {
+                if (mouseDownConsumedEvent.getButton() == SoMouseButtonEvent::BUTTON1) {
+                    // now handle the postponed event
+                    inherited::processSoEvent(&mouseDownConsumedEvent);
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
             break;
         case SoMouseButtonEvent::BUTTON2:
             // If we are in edit mode then simply ignore the RMB events
diff --git a/src/Gui/CADNavigationStyle.cpp b/src/Gui/CADNavigationStyle.cpp
index a5a6db968..f663b039b 100644
--- a/src/Gui/CADNavigationStyle.cpp
+++ b/src/Gui/CADNavigationStyle.cpp
@@ -227,6 +227,31 @@ SbBool CADNavigationStyle::processSoEvent(const SoEvent * const ev)
             else if (viewer->isEditing() && (this->currentmode == NavigationStyle::SPINNING)) {
                 processed = true;
             }
+            // issue #0002433: avoid to swallow the UP event if down the
+            // scene graph somewhere a dialog gets opened
+            else if (press) {
+                SbTime tmp = (ev->getTime() - mouseDownConsumedEvent.getTime());
+                float dci = (float)QApplication::doubleClickInterval()/1000.0f;
+                // a double-click?
+                if (tmp.getValue() < dci) {
+                    mouseDownConsumedEvent = *event;
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    processed = true;
+                }
+                else {
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    // 'ANY' is used to mark that we don't know yet if it will
+                    // be a double-click event.
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
+            else if (!press) {
+                if (mouseDownConsumedEvent.getButton() == SoMouseButtonEvent::BUTTON1) {
+                    // now handle the postponed event
+                    inherited::processSoEvent(&mouseDownConsumedEvent);
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
             break;
         case SoMouseButtonEvent::BUTTON2:
             // If we are in edit mode then simply ignore the RMB events
diff --git a/src/Gui/InventorNavigationStyle.cpp b/src/Gui/InventorNavigationStyle.cpp
index 4435d2aa2..341036200 100644
--- a/src/Gui/InventorNavigationStyle.cpp
+++ b/src/Gui/InventorNavigationStyle.cpp
@@ -218,6 +218,31 @@ SbBool InventorNavigationStyle::processSoEvent(const SoEvent * const ev)
                 processed = true;
                 this->lockrecenter = true;
             }
+            // issue #0002433: avoid to swallow the UP event if down the
+            // scene graph somewhere a dialog gets opened
+            else if (press) {
+                SbTime tmp = (ev->getTime() - mouseDownConsumedEvent.getTime());
+                float dci = (float)QApplication::doubleClickInterval()/1000.0f;
+                // a double-click?
+                if (tmp.getValue() < dci) {
+                    mouseDownConsumedEvent = *event;
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    processed = true;
+                }
+                else {
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    // 'ANY' is used to mark that we don't know yet if it will
+                    // be a double-click event.
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
+            else if (!press) {
+                if (mouseDownConsumedEvent.getButton() == SoMouseButtonEvent::BUTTON1) {
+                    // now handle the postponed event
+                    inherited::processSoEvent(&mouseDownConsumedEvent);
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
             break;
         case SoMouseButtonEvent::BUTTON2:
             // If we are in edit mode then simply ignore the RMB events
diff --git a/src/Gui/NavigationStyle.h b/src/Gui/NavigationStyle.h
index a1b53ff71..737972147 100644
--- a/src/Gui/NavigationStyle.h
+++ b/src/Gui/NavigationStyle.h
@@ -276,6 +276,9 @@ public:
 
 protected:
     SbBool processSoEvent(const SoEvent * const ev);
+
+private:
+    SoMouseButtonEvent mouseDownConsumedEvent;
 };
 
 class GuiExport CADNavigationStyle : public UserNavigationStyle {
@@ -293,6 +296,7 @@ protected:
 
 private:
     SbBool lockButton1;
+    SoMouseButtonEvent mouseDownConsumedEvent;
 };
 
 class GuiExport BlenderNavigationStyle : public UserNavigationStyle {
@@ -310,6 +314,7 @@ protected:
 
 private:
     SbBool lockButton1;
+    SoMouseButtonEvent mouseDownConsumedEvent;
 };
 
 class GuiExport MayaGestureNavigationStyle : public UserNavigationStyle {
@@ -348,6 +353,9 @@ public:
 
 protected:
     SbBool processSoEvent(const SoEvent * const ev);
+
+private:
+    SoMouseButtonEvent mouseDownConsumedEvent;
 };
 
 class GuiExport GestureNavigationStyle : public UserNavigationStyle {
@@ -387,6 +395,8 @@ public:
 protected:
     SbBool processSoEvent(const SoEvent * const ev);
 
+private:
+    SoMouseButtonEvent mouseDownConsumedEvent;
 };
 
 } // namespace Gui
diff --git a/src/Gui/OpenCascadeNavigationStyle.cpp b/src/Gui/OpenCascadeNavigationStyle.cpp
index a343426d0..097ea1877 100644
--- a/src/Gui/OpenCascadeNavigationStyle.cpp
+++ b/src/Gui/OpenCascadeNavigationStyle.cpp
@@ -187,6 +187,31 @@ SbBool OpenCascadeNavigationStyle::processSoEvent(const SoEvent * const ev)
             else if (viewer->isEditing() && (this->currentmode == NavigationStyle::SPINNING)) {
                 processed = true;
             }
+            // issue #0002433: avoid to swallow the UP event if down the
+            // scene graph somewhere a dialog gets opened
+            else if (press) {
+                SbTime tmp = (ev->getTime() - mouseDownConsumedEvent.getTime());
+                float dci = (float)QApplication::doubleClickInterval()/1000.0f;
+                // a double-click?
+                if (tmp.getValue() < dci) {
+                    mouseDownConsumedEvent = *event;
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    processed = true;
+                }
+                else {
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    // 'ANY' is used to mark that we don't know yet if it will
+                    // be a double-click event.
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
+            else if (!press) {
+                if (mouseDownConsumedEvent.getButton() == SoMouseButtonEvent::BUTTON1) {
+                    // now handle the postponed event
+                    inherited::processSoEvent(&mouseDownConsumedEvent);
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
             break;
         case SoMouseButtonEvent::BUTTON2:
             // If we are in edit mode then simply ignore the RMB events
diff --git a/src/Gui/TouchpadNavigationStyle.cpp b/src/Gui/TouchpadNavigationStyle.cpp
index db3b30406..df6864cfb 100644
--- a/src/Gui/TouchpadNavigationStyle.cpp
+++ b/src/Gui/TouchpadNavigationStyle.cpp
@@ -195,6 +195,31 @@ SbBool TouchpadNavigationStyle::processSoEvent(const SoEvent * const ev)
             else if (viewer->isEditing() && (this->currentmode == NavigationStyle::SPINNING)) {
                 processed = true;
             }
+            // issue #0002433: avoid to swallow the UP event if down the
+            // scene graph somewhere a dialog gets opened
+            else if (press) {
+                SbTime tmp = (ev->getTime() - mouseDownConsumedEvent.getTime());
+                float dci = (float)QApplication::doubleClickInterval()/1000.0f;
+                // a double-click?
+                if (tmp.getValue() < dci) {
+                    mouseDownConsumedEvent = *event;
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    processed = true;
+                }
+                else {
+                    mouseDownConsumedEvent.setTime(ev->getTime());
+                    // 'ANY' is used to mark that we don't know yet if it will
+                    // be a double-click event.
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
+            else if (!press) {
+                if (mouseDownConsumedEvent.getButton() == SoMouseButtonEvent::BUTTON1) {
+                    // now handle the postponed event
+                    inherited::processSoEvent(&mouseDownConsumedEvent);
+                    mouseDownConsumedEvent.setButton(SoMouseButtonEvent::ANY);
+                }
+            }
             break;
         case SoMouseButtonEvent::BUTTON2:
             // If we are in edit mode then simply ignore the RMB events