Ref T125, X-Plan utility functions and moved XSwiftBus settings in own file

src/blackmisc/simulation/settings/xswiftbussettings.h

@@ -0,0 +1,43 @@
+/* Copyright (C) 2017
+ * swift project community / contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_SIMULATION_SETTINGS_XSWIFTBUSSETTINGS_H
+#define BLACKMISC_SIMULATION_SETTINGS_XSWIFTBUSSETTINGS_H
+
+#include <QString>
+#include "blackmisc/settingscache.h"
+#include "blackmisc/dbusserver.h"
+
+namespace BlackMisc
+{
+    namespace Simulation
+    {
+        namespace Settings
+        {
+            /*!
+             * Setting for XSwiftBus.
+             */
+            struct TXSwiftBusServer : public BlackMisc::TSettingTrait<QString>
+            {
+                //! \copydoc BlackMisc::TSettingTrait::key
+                static const char *key() { return "xswiftbus/server"; }
+
+                //! \copydoc BlackMisc::TSettingTrait::defaultValue
+                static QString defaultValue() { return BlackMisc::CDBusServer::sessionBusAddress(); }
+
+                //! \copydoc BlackMisc::TSettingTrait::defaultValue
+                static bool isValid(const QString &dBusAddress) { return BlackMisc::CDBusServer::isSessionOrSystemAddress(dBusAddress); }
+            };
+        } // ns
+    } // ns
+} // ns
+
+#endif // guard

src/blackmisc/simulation/xplane/xplaneutil.cpp

@@ -89,6 +89,7 @@ namespace BlackMisc
 
             QString CXPlaneUtil::xplaneDir(const QString &xplaneInstallFile)
             {
+                //! \fixme KB 8/17 we could also use the runtime CBuildConfig decision here, which looks nicer (I personally always try to avoid ifdef)
 #if defined(Q_OS_WIN)
                 return CFileUtils::appendFilePaths(getWindowsLocalAppDataPath(), xplaneInstallFile);
 #elif defined (Q_OS_LINUX)
@@ -108,6 +109,25 @@ namespace BlackMisc
                 else { return {}; }
             }
 
+            bool CXPlaneUtil::isXplaneRootDirExisting()
+            {
+                const QDir dir(xplaneRootDir());
+                return dir.exists();
+            }
+
+            QString CXPlaneUtil::xplanePluginDir()
+            {
+                const QString xp = xplaneRootDir();
+                if (xp.isEmpty()) { return xp; }
+                return CFileUtils::appendFilePaths(xp, "/Resources/plugins");
+            }
+
+            bool CXPlaneUtil::isXplanePluginDirDirExisting()
+            {
+                const QDir dir(xplanePluginDir());
+                return dir.exists();
+            }
+
             QStringList CXPlaneUtil::xplaneModelDirectories()
             {
                 if (xplaneRootDir().isEmpty()) { return QStringList(); }
@@ -142,7 +162,6 @@ namespace BlackMisc
                 }
                 return {};
             }
-
         } // namespace
     } // namespace
 } // namespace

src/blackmisc/simulation/xplane/xplaneutil.h

@@ -42,6 +42,16 @@ namespace BlackMisc
                 //! In case more then one XPlane version is found, the path to the highest version is used
                 static QString xplaneRootDir();
 
+                //! Is the xplaneRootDir existing?
+                static bool isXplaneRootDirExisting();
+
+                //! XPlane root directory
+                //! In case more then one XPlane version is found, the path to the highest version is used
+                static QString xplanePluginDir();
+
+                //! Is the xplanePluginDir existing?
+                static bool isXplanePluginDirDirExisting();
+
                 //! Directories with models
                 static QStringList xplaneModelDirectories();
 

src/plugins/simulator/xplane/simulatorxplane.h

@@ -23,6 +23,7 @@
 #include "blackmisc/simulation/aircraftmodellist.h"
 #include "blackmisc/simulation/data/modelcaches.h"
 #include "blackmisc/simulation/settings/simulatorsettings.h"
+#include "blackmisc/simulation/settings/xswiftbussettings.h"
 #include "blackmisc/weather/weathergrid.h"
 #include "blackmisc/settingscache.h"
 #include "blackmisc/statusmessage.h"
@@ -224,7 +225,7 @@ namespace BlackSimPlugin
         private:
             QDBusConnection m_conn { "default" };
             QDBusServiceWatcher *m_watcher { nullptr };
-            BlackMisc::CSetting<TXSwiftBusServer> m_xswiftbusServerSetting { this, &CSimulatorXPlaneListener::ps_xswiftbusServerSettingChanged };
+            BlackMisc::CSettingReadOnly<BlackMisc::Simulation::Settings::TXSwiftBusServer> m_xswiftbusServerSetting { this, &CSimulatorXPlaneListener::ps_xswiftbusServerSettingChanged };
         };
 
         //! Factory for creating CSimulatorXPlane instance