From: Jan Djärv <jan.h.d@swipnet.se>
Date: Mon, 17 Sep 2007 08:07:28 +0000 (+0000)
Subject: (gdpy_def): New variable.
X-Git-Tag: emacs-pretest-23.0.90~10858
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=879ffad91329a32d64bcbf00eb98eb23173d1199;p=emacs.git

(gdpy_def): New variable.
(xg_initialize): Initialize gdpy_def.
(xg_display_close): If no other display exists, set gdpy_def to a
new connection.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index d77539d151c..4ad6b4b7264 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2007-09-17  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>
+
+	* gtkutil.c (gdpy_def): New variable.
+	(xg_initialize): Initialize gdpy_def.
+	(xg_display_close): If no other display exists, set gdpy_def to a
+	new connection.
+
 2007-09-16  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>
 
 	* gtkutil.c (xg_get_image_for_pixmap): Always create a GdkPixbuf
diff --git a/src/gtkutil.c b/src/gtkutil.c
index b37620caa9c..81ef09b7ec4 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -51,6 +51,13 @@ Boston, MA 02110-1301, USA.  */
 
 #ifdef HAVE_GTK_MULTIDISPLAY
 
+/* Gtk does not work well without any display open.  Emacs may close
+   all its displays.  In that case, keep a display around just for
+   the purpose of having one.  */
+
+static GdkDisplay *gdpy_def;
+
+
 /* Return the GdkDisplay that corresponds to the X display DPY.  */
 
 static GdkDisplay *
@@ -147,9 +154,15 @@ xg_display_close (Display *dpy)
             break;
           }
 
-      if (! new_dpy) return; /* Emacs will exit anyway.  */
+      if (new_dpy)
+        gdpy_new = gdk_x11_lookup_xdisplay (new_dpy);
+      else
+        {
+          if (!gdpy_def)
+            gdpy_def = gdk_display_open (gdk_display_get_name (gdpy));
+          gdpy_new = gdpy_def;
+        }
 
-      gdpy_new = gdk_x11_lookup_xdisplay (new_dpy);
       gdk_display_manager_set_default_display (gdk_display_manager_get (),
                                                gdpy_new);
     }
@@ -4091,6 +4104,8 @@ xg_initialize ()
      we keep it permanently linked in.  */
   XftInit (0);
 #endif
+
+  gdpy_def = NULL;
   xg_ignore_gtk_scrollbar = 0;
   xg_detached_menus = 0;
   xg_menu_cb_list.prev = xg_menu_cb_list.next =