fix the fixed. keep user defined window size when --fixed option is used

src/main.c

@@ -350,6 +350,14 @@ create_layout (GtkWidget *dlg)
 static void
 realize_cb (GtkWidget *dlg, gpointer d)
 {
+
+  if (options.data.fixed)
+    {
+      gtk_widget_set_size_request (dlg, options.data.width, options.data.height);
+      gtk_window_set_resizable (GTK_WINDOW (dlg), !options.data.fixed);
+    }
+  else
+    {
       gint cw, ch;
       /* get current window size for gtk_window_resize */
       gtk_window_get_size (GTK_WINDOW (dlg), &cw, &ch);
@@ -357,9 +365,8 @@ realize_cb (GtkWidget *dlg, gpointer d)
         options.data.width = cw;
       if (options.data.height == -1)
         options.data.height = ch;
-
       gtk_window_resize (GTK_WINDOW (dlg), options.data.width, options.data.height);
-  gtk_window_set_resizable (GTK_WINDOW (dlg), !options.data.fixed);
+    }
 
   if (options.data.use_posx || options.data.use_posy)
     {