Add desktop file for yocto and change ui file

Makefile

@@ -45,10 +45,10 @@ LIBS          += $(GLIB_LIBS) $(GTK3_LIBS)
 objects       = main.o
 
 # Default target
-all: timemanager
+all: dt-manager-editor
 
 # Build objects
-timemanager: $(objects)
+dt-manager-editor: $(objects)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS)
 
 # Temp objects
@@ -58,4 +58,4 @@ timemanager: $(objects)
 # Clean
 .PHONY: clean
 clean:
-	rm -f *.o timemanager
+	rm -f *.o dt-manager-editor

dt-manager-editor.desktop

+[Desktop Entry]
+Name=Date & Time
+Exec=dt-manager-editor
+Terminal=false
+Type=Application
+Comment=Set date and time
+StartupNotify=false
+X-GNOME-Bugzilla-Bugzilla=GNOME
+X-GNOME-Bugzilla-Product=TimeManager
+X-GNOME-Bugzilla-Component=dt-manager-editor
+Categories=GNOME;GTK;Settings;
+NotShowIn=KDE;GNOME;
+Name[en_US]=dt-manager-editor

main.c

@@ -71,11 +71,16 @@ static void set_timezone(char *timezone) {
     }
 }
 
+static void set_ntp(char *enable) {
+    set_timedatectl("set-ntp", enable);
+}
+
 static void set_date_time(const char *date, const char *hour, const char *min, const char *sec) {
     char data[32] = {0};
 
     if (strcmp(active_date, date)) {
         sprintf(data, "'%s %s:%s:%s'", date, hour, min, sec);
+        set_ntp("no"); // set ntp as no before seting time/date
         set_timedatectl("set-time", data);
         strcpy(active_date, date);
         strcpy(active_hour, hour);
@@ -83,6 +88,7 @@ static void set_date_time(const char *date, const char *hour, const char *min, c
         strcpy(active_sec, sec);
     } else if (strcmp(active_hour, hour) || strcmp(active_min, min) || strcmp(active_sec, sec)) {
         sprintf(data, "'%s:%s:%s'", hour, min, sec);
+        set_ntp("no"); // set ntp as no before seting time/date
         set_timedatectl("set-time", data);
         strcpy(active_hour, hour);
         strcpy(active_min, min);
@@ -105,7 +111,11 @@ static void get_time_date_status() {
             buf = strchr(time_status[i], ':');
             if (buf != NULL) {
                 get_timezone(buf + 1, timezone_cur);
-                strcpy(timezone_new, timezone_cur);
+                if (!strcmp(timezone_cur, "Universal")) {
+                    strcpy(timezone_new, "UTC"); // Set default "Universal" timezone as UTC.
+                } else {
+                    strcpy(timezone_new, timezone_cur);
+                }
             }
         }
     }
@@ -345,10 +355,25 @@ static int gobjects_init(GtkBuilder *builder, GtkWidget *dialog) {
 int main(int argc, char **argv) {
     GtkBuilder *builder = gtk_builder_new();
     GtkWidget *dialog;
-
+    char ui_path[64] = "timemanager.ui";
+
+    if (argc >= 3 && (argc % 2 != 0))
+    {
+        for (int i = 1; i < argc; i+=2)
+        {
+            if (!strcmp(argv[i], "--ui"))
+            {
+                strncpy(ui_path, argv[i + 1], 63);
+            }
+        }
+    }
+#ifdef DEBUG
+    g_print("[DEBUG] ui path is %s\n", ui_path);
+#endif
+    
     gtk_init(&argc, &argv);
 
-    if (!gtk_builder_add_from_file(builder, "timemanager.ui", NULL)) {
+    if (!gtk_builder_add_from_file(builder, ui_path, NULL)) {
         g_print("[ERROR] can not load glade file\n");
         return -1;
     }
@@ -358,9 +383,9 @@ int main(int argc, char **argv) {
         g_print("[ERROR] can not get dialog object\n");
         return -1;
     }
-
+    
     gtk_window_set_title(GTK_WINDOW(dialog), "Date & Time");
-    gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 200);
+    gtk_window_set_default_size(GTK_WINDOW(dialog), 320, 240);
 
     gtk_builder_connect_signals(builder, NULL);
     g_signal_connect(dialog, GTK_EVENT_DESTROY, G_CALLBACK(gtk_main_quit), NULL);