add dynamic settings load

fix setTray() function

sources/netctlgui/include/netctlgui/netctlinteract.h

@@ -242,7 +242,7 @@ private:
     /**
      * @brief NetctlProfile class
      */
-    NetctlProfile *netctlProfile;
+    NetctlProfile *netctlProfile = nullptr;
     /**
      * @brief show debug messages
      */
@@ -250,7 +250,7 @@ private:
     /**
      * @brief directory with interfaces. Default is "/sys/class/net/"
      */
-    QDir *ifaceDirectory;
+    QDir *ifaceDirectory = nullptr;
     /**
      * @brief prefered interface for WiFi. Default is ""
      */

sources/netctlgui/include/netctlgui/netctlprofile.h

@@ -95,7 +95,7 @@ private:
     /**
      * @brief directory which contains profiles. Default is "/etc/netctl"
      */
-    QDir *profileDirectory;
+    QDir *profileDirectory = nullptr;
     /**
      * @brief path to sudo command. Default is "/usr/bin/kdesu"
      */

sources/netctlgui/include/netctlgui/wpasupinteract.h

@@ -129,11 +129,11 @@ private:
     /**
      * @brief Netctl class
      */
-    Netctl *netctlCommand;
+    Netctl *netctlCommand = nullptr;
     /**
      * @brief NetctlProfile class
      */
-    NetctlProfile *netctlProfile;
+    NetctlProfile *netctlProfile = nullptr;
     /**
      * @brief show debug messages
      */