Index: sources/gui/guiglobals.h
===================================================================
diff -u -r9a3ee027dbc33f39ee7df2a9dc5a7897c6b1854d -rc933552983a659ca4cc351ff4d43d07319adab1e
--- sources/gui/guiglobals.h	(.../guiglobals.h)	(revision 9a3ee027dbc33f39ee7df2a9dc5a7897c6b1854d)
+++ sources/gui/guiglobals.h	(.../guiglobals.h)	(revision c933552983a659ca4cc351ff4d43d07319adab1e)
@@ -22,6 +22,65 @@
 
 namespace Gui {
     extern QQuickView *_viewer;
+    class GuiActions
+    {
+        Q_GADGET
+        explicit GuiActions();
+    public:
+        enum /*class*/ GuiActionsType_Enum /*: quint16 QML doesn't support*/ {
+            Unknown        = 0x0000,
+            PowerOff       = 0x0100,
+            KeepAlive      = 0x0700,
+            BloodFlow      = 0x0500,
+
+            AlarmStatus    = 0x0200,
+            AlarmTriggered = 0x0300,
+            AlarmCleared   = 0x0400,
+
+            String         = 0xFFFF,
+        };
+
+        enum class GuiActionsIndx_Enum {
+            PowerOff_ShowHide         = 0,
+            PowerOff_Response         = 0,
+
+            BloodFlow_FlowSetPoint    = 0,
+            BloodFlow_MeasuredFlow       ,
+            BloodFlow_RotorSpeed         ,
+            BloodFlow_MotorSpeed         ,
+            BloodFlow_MotorCtlSpeed      ,
+            BloodFlow_MotorCtlCurrent    ,
+            BloodFlow_PWMDtCycle         ,
+
+        };
+
+        enum class GuiActionsData_Enum /*: quint8  QML doesn't support*/ {
+            NoData      = 0x00,
+
+            Command     = 0x00, // HD=>UI : should be handled in receive
+            Request     = 0x00, // UI=>HD : should be handled in transmit
+
+            // Power-Off Data   // UI=>HD : should be handled in transmit
+            Accepted    = 0x01,
+            Rejected    = 0x02,
+
+            // Power-Off Data   // HD=>UI : should be handled in receive
+            Timeout     = 0x01,
+        };
+
+        Q_ENUM(GuiActionsType_Enum)
+        Q_ENUM(GuiActionsData_Enum)
+        Q_ENUM(GuiActionsIndx_Enum)
+
+    };
+
+    // to be able to use the enum as signal/slot parameter
+    typedef GuiActions::GuiActionsType_Enum GuiActionType;
+    typedef GuiActions::GuiActionsData_Enum GuiActionData;
+    typedef GuiActions::GuiActionsIndx_Enum GuiActionIndx;
+
     void registerTypes();
+    void registerQmlTypes();
+
     void startGui();
 }