- display better values if no user configuration is found

- make it possible to cancel device selection
- accept new device path also if it's not selected from the browser and ignore it if it's not a path.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14162 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/rbutilqt.cpp

@@ -207,6 +207,8 @@ void RbUtilQt::updateDevice()
     QString brand = devices->value("brand").toString();
     QString name = devices->value("name").toString();
     devices->endGroup();
+    if(name.isEmpty()) name = "<none>";
+    if(mountpoint.isEmpty()) mountpoint = "<invalid>";
     ui.labelDevice->setText(tr("<b>%1 %2</b> at <b>%3</b>")
             .arg(brand, name, mountpoint));
 }