Index: sources/gui/qml/components/ModalDialog.qml
===================================================================
diff -u -rfdddcd8b25b5acc99f8c044c998af0e95752063c -r2b56995303cc088d8c74a480cb9be88e46899ac9
--- sources/gui/qml/components/ModalDialog.qml	(.../ModalDialog.qml)	(revision fdddcd8b25b5acc99f8c044c998af0e95752063c)
+++ sources/gui/qml/components/ModalDialog.qml	(.../ModalDialog.qml)	(revision 2b56995303cc088d8c74a480cb9be88e46899ac9)
@@ -39,6 +39,7 @@
     property bool   showDropShadow      : false
     property alias backgroundItem       : _backgroundItem.children
     property alias backgroundItemZ      : _backgroundItem.z
+    property bool highPriorityDialog    : false
 
     width   : Variables.dialogWidth
     height  : Variables.dialogHeight
@@ -89,7 +90,7 @@
 
     // fix closing opened dialogs when opmode is changed
     Connections { target: vTDOpMode
-        function onOpModeChanged() { if ( _root.visible ) { _root.close() } }
+        function onOpModeChanged() { if ( _root.visible && ! _root.highPriorityDialog ) { _root.close() } }
     }
 
     NumberAnimation { id: _autoHideAnimation