Index: sources/gui/guiglobals.h
===================================================================
diff -u -rf623529d6ec25b555f3ac2248d71fc2b5e7063d6 -rfeb3423b373dc2a2c4267ef9fcb4d924d738423d
--- sources/gui/guiglobals.h	(.../guiglobals.h)	(revision f623529d6ec25b555f3ac2248d71fc2b5e7063d6)
+++ sources/gui/guiglobals.h	(.../guiglobals.h)	(revision feb3423b373dc2a2c4267ef9fcb4d924d738423d)
@@ -1,6 +1,6 @@
 /*!
  *
- * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+ * Copyright (c) 2019-2019 Diality Inc. - All Rights Reserved.
  * copyright
 
  *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,
@@ -22,7 +22,129 @@
 
 namespace Gui {
     extern QQuickView *_viewer;
+    class GuiActions
+    {
+        Q_GADGET
+        explicit GuiActions();
+
+    public:
+        enum /*class*/ GuiActionsType_Enum /*: quint16 QML doesn't support enum types */ {
+            Unknown        = 0x0000,
+            PowerOff       = 0x0100,
+            KeepAlive      = 0x0700,
+            BloodFlow      = 0x0500,
+            DialysateFlow  = 0x0800,
+
+            AlarmStatus    = 0x0200,
+            AlarmTriggered = 0x0300,
+            AlarmCleared   = 0x0400,
+
+            String         = 0xFFFF,
+        };
+
+        enum class GuiActionsIndx_Enum {
+            // ---- PowerOff
+            PowerOff_ShowHide               = 0 ,
+            PowerOff_Response               = 0 ,
+
+            // ---- BloodFlow
+            BloodFlow_FlowSetPoint          = 0 ,
+            BloodFlow_MeasuredFlow              ,
+            BloodFlow_RotorSpeed                ,
+            BloodFlow_MotorSpeed                ,
+            BloodFlow_MotorCtlSpeed             ,
+            BloodFlow_MotorCtlCurrent           ,
+            BloodFlow_PWMDtCycle                ,
+
+            // ---- DialysateFlow
+            DialysateFlow_FlowSetPoint      = 0 ,
+            DialysateFlow_MeasuredFlow          ,
+            DialysateFlow_RotorSpeed            ,
+            DialysateFlow_MotorSpeed            ,
+            DialysateFlow_MotorCtlSpeed         ,
+            DialysateFlow_MotorCtlCurrent       ,
+            DialysateFlow_PWMDtCycle            ,
+
+            // ---- AlarmStatus
+            AlarmStatus_Priority            = 0 ,
+            AlarmStatus_AlarmID                 ,
+            AlarmStatus_EscalateIn              ,
+            AlarmStatus_MuteTimeout             ,
+            AlarmStatus_Flag_systemFault        ,
+            AlarmStatus_Flag_stop               ,
+            AlarmStatus_Flag_noClear            ,
+            AlarmStatus_Flag_noResume           ,
+            AlarmStatus_Flag_noRinseback        ,
+            AlarmStatus_Flag_noEndTreatment     ,
+            AlarmStatus_Flag_noNewTreatment     ,
+            AlarmStatus_Flag_bypassDialyzer     ,
+            AlarmStatus_Flag_alarmsToEscalate   ,
+            AlarmStatus_Flag_alarmsSilenced     ,
+        };
+
+        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,
+        };
+
+        enum GuiAlarmPriority_Enum {
+            AlarmPriority_None             = 0 ,
+            AlarmPriority_Low                  ,
+            AlarmPriority_Medium               ,
+            AlarmPriority_High                 ,
+        };
+
+        enum GuiAlarmID_Enum {
+            No_Alarm                        = 0 ,
+            Software_Fault                      ,
+            Stuck_Button_Test_Failed            ,
+            FPGA_Post_Test_Failed               ,
+            Watchdog_Post_Test_Failed           ,
+            UI_Comm_Post_Failed                 , // 5
+            Blood_pump_Mc_Current_Check         ,
+            Blood_Pump_Mc_Speed_Check           ,
+            Blood_Pump_Mc_Direction_Check       ,
+            Blood_Pump_Rotor_Speed_Check        ,
+            Dial_In_pump_Mc_Current_Check       , // 10
+            Dial_In_pump_Mc_Speed_Check         ,
+            Dial_In_pump_Mc_Direction_Check     ,
+            Dial_In_pump_Rotor_Speed_Check      ,
+            Dial_Out_Pump_Mc_Current_Check      ,
+            Dial_Out_Pump_Mc_Speed_Check        , // 15
+            Dial_Out_Pump_Mc_Direction_Check    ,
+            Dial_Out_Pump_Rotor_Speed_Check     ,
+            Watchdog_Expired                    ,
+            Num_Of_Alarm_IDs                    ,
+        };
+
+
+        Q_ENUM(GuiActionsType_Enum)
+        Q_ENUM(GuiActionsData_Enum)
+        Q_ENUM(GuiActionsIndx_Enum)
+
+        Q_ENUM(GuiAlarmPriority_Enum)
+        Q_ENUM(GuiAlarmID_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;
+
+    typedef GuiActions::GuiAlarmPriority_Enum   GuiAlarmPriority;
+    typedef GuiActions::GuiAlarmID_Enum         GuiAlarmID;
+
     void registerTypes();
     void registerQmlTypes();
+
     void startGui();
 }