security check on parent widget (just in case)

6 years ago · 3a4843f421
parent e21fe80331
commit 3a4843f421
1 changed files with 7 additions and 4 deletions
--- a/src/gui/UBDockPalette.cpp
+++ b/src/gui/UBDockPalette.cpp
@ -511,7 +511,10 @@ void UBDockPalette::moveTabs()
    if(eUBDockTabOrientation_Down == mTabsOrientation)
    {
        if (mOrientation == eUBDockOrientation_Right)
+        {
+            if (parentWidget())
                y = parentWidget()->height() - border()- mTabWidgets.size() * TABSIZE;
+        }
        else
            y = height() - border()- mTabWidgets.size() * TABSIZE;
    }