diff --git a/src/Gui/Application.cpp b/src/Gui/Application.cpp
index c8025328bf..f4e108c6c9 100644
--- a/src/Gui/Application.cpp
+++ b/src/Gui/Application.cpp
@@ -1437,7 +1437,8 @@ public:
                 (int)event->type());
         }
         try {
-            if (event->type() == Spaceball::ButtonEvent::ButtonEventType || Spaceball::MotionEvent::MotionEventType)
+            if (event->type() == Spaceball::ButtonEvent::ButtonEventType || 
+                event->type() == Spaceball::MotionEvent::MotionEventType)
                 return processSpaceballEvent(receiver, event);
             else
                 return QApplication::notify(receiver, event);
diff --git a/src/Gui/DlgKeyboardImp.cpp b/src/Gui/DlgKeyboardImp.cpp
index fe947dbc19..0e0b3af4bb 100644
--- a/src/Gui/DlgKeyboardImp.cpp
+++ b/src/Gui/DlgKeyboardImp.cpp
@@ -204,7 +204,7 @@ void DlgCustomKeyboardImp::on_buttonAssign_clicked()
         editShortcut->clear();
 
         ParameterGrp::handle hGrp = WindowParameter::getDefaultParameter()->GetGroup("Shortcut");
-        hGrp->SetASCII(name.constData(), accelLineEditShortcut->text().toAscii());
+        hGrp->SetASCII(name.constData(), accelLineEditShortcut->text().toUtf8());
         buttonAssign->setEnabled(false);
         buttonReset->setEnabled(true);
     }
diff --git a/src/Gui/InventorNavigationStyle.cpp b/src/Gui/InventorNavigationStyle.cpp
index 65db39aff4..5c9afd6fcc 100644
--- a/src/Gui/InventorNavigationStyle.cpp
+++ b/src/Gui/InventorNavigationStyle.cpp
@@ -226,6 +226,7 @@ SbBool InventorNavigationStyle::processSoEvent(const SoEvent * const ev)
                     }
                 }
             }
+            this->button2down = press;
             break;
         case SoMouseButtonEvent::BUTTON3:
             if (press) {
@@ -306,10 +307,12 @@ SbBool InventorNavigationStyle::processSoEvent(const SoEvent * const ev)
         BUTTON1DOWN = 1 << 0,
         BUTTON3DOWN = 1 << 1,
         CTRLDOWN =    1 << 2,
-        SHIFTDOWN =   1 << 3
+        SHIFTDOWN =   1 << 3,
+        BUTTON2DOWN = 1 << 4
     };
     unsigned int combo =
         (this->button1down ? BUTTON1DOWN : 0) |
+        (this->button2down ? BUTTON2DOWN : 0) |
         (this->button3down ? BUTTON3DOWN : 0) |
         (this->ctrldown ? CTRLDOWN : 0) |
         (this->shiftdown ? SHIFTDOWN : 0);
@@ -339,6 +342,7 @@ SbBool InventorNavigationStyle::processSoEvent(const SoEvent * const ev)
         break;
     case BUTTON1DOWN|BUTTON3DOWN:
     case CTRLDOWN|BUTTON3DOWN:
+    case CTRLDOWN|SHIFTDOWN|BUTTON2DOWN:
         newmode = NavigationStyle::ZOOMING;
         break;