Description: support reading of default value for startDragDistance property

from QT_USE_DRAG_DISTANCE environment variable.

See also http://bugreports.qt.nokia.com/browse/QTBUG-12594

Author: Joonas Tanskanen <joonas.tanskanen@sasken.com>

---

 src/gui/kernel/qapplication.cpp |    5 +++++

 1 file changed, 5 insertions(+)

--- a/src/gui/kernel/qapplication.cpp

+++ b/src/gui/kernel/qapplication.cpp

@@ -1031,6 +1031,11 @@ void QApplicationPrivate::initialize()

     q->setAttribute(Qt::AA_S60DisablePartialScreenInputMode);

 #endif

+    if(qgetenv("QT_USE_DRAG_DISTANCE").toInt() > 0) {

+        int dragThreshold = qgetenv("QT_USE_DRAG_DISTANCE").toInt();

+        q->setStartDragDistance(dragThreshold);

+    }

+

     if (qt_is_gui_used)

         initializeMultitouch();

 }