[gtk+] gtk/gtkseclection.c: Don't build X11 items unconditionally

[Chun-wei Fan <fanchunwei src gnome org>]

commit 8059975f746ab01242e734425efdf7144d1af213
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Mon Nov 20 13:05:18 2017 +0800

    gtk/gtkseclection.c: Don't build X11 items unconditionally
    
    Limit building the X11 items only when GDK_WINDOWING_X11 is defined.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=773299

 gtk/gtkselection.c |   45 +++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 41 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkselection.c b/gtk/gtkselection.c
index 1d7a848..cd4b213 100644
--- a/gtk/gtkselection.c
+++ b/gtk/gtkselection.c
@@ -2189,8 +2189,10 @@ _gtk_selection_request (GtkWidget *widget,
       
       mult_atoms = NULL;
 
+#ifdef GDK_WINDOWING_X11
       if (GDK_IS_X11_DISPLAY (display))
         gdk_x11_display_error_trap_push (display);
+#endif
       if (!gdk_property_get (info->requestor, property, NULL, /* AnyPropertyType */
                             0, selection_max_size, FALSE,
                             &type, &format, &length, &mult_atoms))
@@ -2203,10 +2205,14 @@ _gtk_selection_request (GtkWidget *widget,
                                                 time);
          g_free (mult_atoms);
          g_slice_free (GtkIncrInfo, info);
+
+#ifdef GDK_WINDOWING_X11
           if (GDK_IS_X11_DISPLAY (display))
             gdk_x11_display_error_trap_pop_ignored (display);
+#endif
          return TRUE;
        }
+#ifdef GDK_WINDOWING_X11
       if (GDK_IS_X11_DISPLAY (display))
         gdk_x11_display_error_trap_pop_ignored (display);
 
@@ -2214,7 +2220,6 @@ _gtk_selection_request (GtkWidget *widget,
        * used for the property contents, so the autoconversion for
        * ATOM / ATOM_PAIR in GDK doesn't work properly.
        */
-#ifdef GDK_WINDOWING_X11
       if (type != GDK_SELECTION_TYPE_ATOM &&
          type != gdk_atom_intern_static_string ("ATOM_PAIR"))
        {
@@ -2297,32 +2302,44 @@ _gtk_selection_request (GtkWidget *widget,
          info->conversions[i].offset = 0;
          info->conversions[i].data = data;
          info->num_incrs++;
-         
+
+#ifdef GDK_WINDOWING_X11
           if (GDK_IS_X11_DISPLAY (display))
             gdk_x11_display_error_trap_push (display);
+#endif
          gdk_property_change (info->requestor, 
                               info->conversions[i].property,
                               gtk_selection_atoms[INCR],
                               32,
                               GDK_PROP_MODE_REPLACE,
                               (guchar *)&items, 1);
+
+#ifdef GDK_WINDOWING_X11
           if (GDK_IS_X11_DISPLAY (display))
             gdk_x11_display_error_trap_pop_ignored (display);
+#endif
        }
       else
        {
          info->conversions[i].offset = -1;
-         
+
+#ifdef GDK_WINDOWING_X11
           if (GDK_IS_X11_DISPLAY (display))
             gdk_x11_display_error_trap_push (display);
+#endif
+
          gdk_property_change (info->requestor, 
                               info->conversions[i].property,
                               data.type,
                               data.format,
                               GDK_PROP_MODE_REPLACE,
                               data.data, items);
+
+#ifdef GDK_WINDOWING_X11
           if (GDK_IS_X11_DISPLAY (display))
             gdk_x11_display_error_trap_pop_ignored (display);
+#endif
+                       
          
          g_free (data.data);
        }
@@ -2341,14 +2358,21 @@ _gtk_selection_request (GtkWidget *widget,
 #ifdef DEBUG_SELECTION
       g_message ("Starting INCR...");
 #endif
-      
+
+#ifdef GDK_WINDOWING_X11
       if (GDK_IS_X11_DISPLAY (display))
         gdk_x11_display_error_trap_push (display);
+#endif
+
       gdk_window_set_events (info->requestor,
                             gdk_window_get_events (info->requestor) |
                             GDK_PROPERTY_CHANGE_MASK);
+
+#ifdef GDK_WINDOWING_X11
       if (GDK_IS_X11_DISPLAY (display))
         gdk_x11_display_error_trap_pop_ignored (display);
+#endif
+
       current_incrs = g_list_append (current_incrs, info);
       id = gdk_threads_add_timeout (1000, (GSourceFunc) gtk_selection_incr_timeout, info);
       g_source_set_name_by_id (id, "[gtk+] gtk_selection_incr_timeout");
@@ -2365,14 +2389,20 @@ _gtk_selection_request (GtkWidget *widget,
          mult_atoms[2*i+1] = info->conversions[i].property;
        }
 
+#ifdef GDK_WINDOWING_X11
       if (GDK_IS_X11_DISPLAY (display))
         gdk_x11_display_error_trap_push (display);
+#endif
+
       gdk_property_change (info->requestor, property,
                           gdk_atom_intern_static_string ("ATOM_PAIR"), 32, 
                           GDK_PROP_MODE_REPLACE,
                           (guchar *)mult_atoms, 2*info->num_conversions);
+
+#ifdef GDK_WINDOWING_X11
       if (GDK_IS_X11_DISPLAY (display))
         gdk_x11_display_error_trap_pop_ignored (display);
+#endif
       g_free (mult_atoms);
     }
 
@@ -2500,16 +2530,23 @@ _gtk_selection_incr_event (GdkWindow       *window,
 #endif
 
          bytes_per_item = gtk_selection_bytes_per_item (info->conversions[i].data.format);
+
+#ifdef GDK_WINDOWING_X11
           if (GDK_IS_X11_DISPLAY (display))
             gdk_x11_display_error_trap_push (display);
+#endif
+
          gdk_property_change (info->requestor, atom,
                               info->conversions[i].data.type,
                               info->conversions[i].data.format,
                               GDK_PROP_MODE_REPLACE,
                               buffer,
                               num_bytes / bytes_per_item);
+
+#ifdef GDK_WINDOWING_X11
           if (GDK_IS_X11_DISPLAY (display))
             gdk_x11_display_error_trap_pop_ignored (display);
+#endif
          
          if (info->conversions[i].offset == -2)
            {