Assert failure when setting a widget focus proxy as its successor in tab order

Now we check that and skip it from the tab list. Auto-test included.

Reviewed-by: leo
Task-number: QTBUG-7532

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index ffad38b..4054d2a 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -6414,6 +6414,8 @@ void QWidget::setTabOrder(QWidget* first, QWidget *second)
         first = fp;
     }
 
+    if (fp == second)
+        return;
 
     if (QWidget *sp = second->focusProxy())
         second = sp;