Исправлена ошибка с полем дата, добавлено окно предупреждения

source/ubl_settings_datetime.cc

@@ -124,6 +124,7 @@ void MainWindow::get_builder(){
     builder->get_widget("txtNtpServer", _txtNtpServer);
     builder->get_widget("cldrDate", _cldrDate);
     builder->get_widget("mess_dchp", _mess_dchp);
+    builder->get_widget("lblMessage", _lblMessage);
     //this->add_CSS();
 }
 void MainWindow::event(){
@@ -431,15 +432,7 @@ void MainWindow::append_zone_glob(){
 void MainWindow::update_time_date(){
     this->enter_zone();
     bool flag = _cbxSynchronizeNtp->get_active();
-    if (flag==false){
+    string cmd = "";
-        hour = _numTimeHrs->get_value_as_int();
-        minute = _numTimeMin->get_value_as_int();
-        time_t now = time(0);
-        tm *ltm = localtime(&now);
-        string cmd = "date +%T -s \""+ 
-            to_string(hour) + ":" + to_string(minute) 
-            + ":" + to_string(ltm->tm_sec) +"\"";
-        system(cmd.c_str());
     if ((year!=0) && (month !=0) && (day !=0)){
         string str_month = "";
         string str_day = "";
@@ -462,6 +455,9 @@ void MainWindow::update_time_date(){
         cmd = "hwclock --systohc";
         system(cmd.c_str());
         _txtDate->set_text(str_day+"." + str_month+"." + to_string(year));
+        year=0;
+        month=0;
+        day=0;
     }
     else{
         string cmd = "";
@@ -472,13 +468,29 @@ void MainWindow::update_time_date(){
             string str_year = data.substr(6,data.length());
             cmd = "date +%Y%m%d -s \"" + str_year+
             str_month+str_day+"\"";
+            string str_error_clock = this->call(cmd);
+            size_t index = str_error_clock.find("date: ");
+            if (index==std::string::npos){
+                 
+            }
+        }
+        else{
+            _lblMessage->set_text("Не верный формат даты");
+            _mess_dchp->show();   
+        }
+    }
+    if (flag==false){
+        hour = _numTimeHrs->get_value_as_int();
+        minute = _numTimeMin->get_value_as_int();
+        time_t now = time(0);
+        tm *ltm = localtime(&now);
+        cmd = "date +%T -s \""+ 
+            to_string(hour) + ":" + to_string(minute) 
+            + ":" + to_string(ltm->tm_sec) +"\"";
         system(cmd.c_str());
     }
     cmd = "hwclock --systohc";
     system(cmd.c_str());
-        }
-        
-    }
 }
 void MainWindow::update_hour_minute(){
     time_t now = time(0);

source/ubl_settings_datetime.h

@@ -104,6 +104,7 @@ private:
     Gtk::Window *_mess_dchp;
     Gtk::Popover *_popCalendar;
     Gtk::Calendar *_cldrDate;
+    Gtk::Label *_lblMessage;
     unsigned int year=0, month=0, day=0;
     int hour;
     int minute;