Исправлен баг с выполнением su от root

source/ublexec.cc

@@ -113,7 +113,6 @@ void MainWindow::template_apps_obj(Gtk::IconView *icon, Glib::RefPtr<Gtk::ListSt
     gtk_list_app->set_sort_column(m_Columns.m_col_description, Gtk::SORT_ASCENDING);
     icon->set_model(gtk_list_app);
     icon->set_text_column(m_Columns.m_col_description);
-    //icon->set_pixbuf_column(m_Columns.m_col_pixbuf);
 }
 
 void MainWindow::add_CSS(){
@@ -437,11 +436,18 @@ void MainWindow::start_cmd(){
         }
         else if (rbSu->get_active()){
             chbTerminal->set_active(true);
-            str_variants_root="su -l " + cmbUser->get_active_text();
+            string str_user = cmbUser->get_active_text();
-            if (cbxExecuteEpriority->get_active()){
+            if (str_user!="root"){
-                str_variants_root += " nice -n " + to_string(spinPriority->get_value_as_int());
+                str_variants_root = "su -l " + cmbUser->get_active_text();
+            }
+            else{
+                str_variants_root = "su ";
             }
+            
             str_variants_root += + " -c \" DISPLAY=$DISPLAY ";
+            if (cbxExecuteEpriority->get_active()){
+                str_variants_root += "nice -n " + to_string(spinPriority->get_value_as_int()) + " ";
+            }
         }
         else if (rbSudo->get_active()){
             chbTerminal->set_active(true);
@@ -486,7 +492,7 @@ void MainWindow::start_cmd(){
         user_cmd = vec_user_cmd[vec_len-1];
         if (flag_xdg==false){
             cmd = "nohup " + str_nice_cmd + str_cmd_terminal + str_variants_root + user_cmd;
-            if (str_variants_root.find("su -l") != string::npos){
+            if (cmd.find("-e su ") != string::npos){
                 cmd += "\"";
             }
         }

ublexec.glade

@@ -2,6 +2,11 @@
 <!-- Generated with glade 3.38.2 -->
 <interface>
   <requires lib="gtk+" version="3.24"/>
+  <object class="GtkIconView">
+    <property name="visible">True</property>
+    <property name="can-focus">True</property>
+    <property name="margin">6</property>
+  </object>
   <object class="GtkAboutDialog" id="aboutWindows">
     <property name="can-focus">False</property>
     <property name="title" translatable="yes">О Программе</property>
@@ -528,6 +533,7 @@
                                     <property name="margin">1</property>
                                     <property name="resize-mode">queue</property>
                                     <property name="item-orientation">horizontal</property>
+                                    <property name="item-width">120</property>
                                     <property name="item-padding">1</property>
                                     <child>
                                       <object class="GtkCellRendererPixbuf"/>