Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Plugins/InfrastructureManagement/Gui/IsmComboBox/ism_combobox.h

@@ -0,0 +1,55 @@
+
+
+
+#pragma once
+
+#include <LtsSession/lts_session.h>
+#include <LtsWidgets/lts_combo_box.h>
+#include <InfrastructureManagement/logger.h>
+#include <InfrastructureManagement/ism_dtc.h>
+#include <QMap>
+#include <QString>
+
+namespace InfrastructureManagement
+{
+enum IsmComboBoxType
+{
+  CbUnknown = 0,
+  CbRadioStations,
+  CbApproachingPoints,
+  CbScheduleStatus,
+  CbBridgeStatus
+};
+
+
+enum FrequencyBand
+{
+  INVALID = -1,
+  VHF = 0,
+  UHF = 1,
+  HF = 2,
+  REL = 3
+};
+
+struct RadioStation
+{
+  int                      mse_id;
+  int                      radioStationId;
+  QString                  name;
+  QMap<FrequencyBand, int> radios; 
+  static RadioStation fromMSE(const MainStructureElement &mse);
+};
+
+
+
+
+class IsmComboBox
+{
+public:
+  Q_REQUIRED_RESULT static bool fill(LtsWidgets::LtsComboBox *cbx,
+                                     IsmComboBoxType type,
+                                     LtsSession::LtsSession *session,
+                                     const std::shared_ptr<Interface::Dtc> &dtc, int filter = -1);
+};
+
+}