Merge from emacs--devo--0

Patches applied:

 * emacs--devo--0  (patch 793-802)

   - Update from CVS
   - Remove RCS keywords
   - Merge from emacs--rel--22

 * emacs--rel--22  (patch 42-50)

   - Update from CVS
   - Merge from gnus--rel--5.10
   - Gnus ChangeLog tweaks

 * gnus--rel--5.10  (patch 229-232)

   - Merge from emacs--devo--0, emacs--rel--22
   - ChangeLog tweak
   - Update from CVS

Revision: emacs@sv.gnu.org/emacs--multi-tty--0--patch-23

1 files changed, 29 insertions, 0 deletions

diff --git a/src/macfns.c b/src/macfns.c
index cd02552df7a..a58c9975f45 100644
--- a/src/macfns.c
+++ b/src/macfns.c
@@ -1681,6 +1681,25 @@ x_set_tool_bar_lines (f, value, oldval)
   /* Make sure we redisplay all windows in this frame.  */
   ++windows_or_buffers_changed;
 
+#if USE_MAC_TOOLBAR
+  FRAME_TOOL_BAR_LINES (f) = 0;
+  if (nlines)
+    {
+      FRAME_EXTERNAL_TOOL_BAR (f) = 1;
+      if (FRAME_MAC_P (f) && !IsWindowToolbarVisible (FRAME_MAC_WINDOW (f)))
+        /* Make sure next redisplay shows the tool bar.  */
+        XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt;
+    }
+  else
+    {
+      if (FRAME_EXTERNAL_TOOL_BAR (f))
+        free_frame_tool_bar (f);
+      FRAME_EXTERNAL_TOOL_BAR (f) = 0;
+    }
+
+  return;
+#endif
+
   delta = nlines - FRAME_TOOL_BAR_LINES (f);
 
   /* Don't resize the tool-bar to more than we have room for.  */
@@ -2283,6 +2302,16 @@ mac_window (f, window_prompting, minibuffer_only)
     XSetWindowBackground (FRAME_MAC_DISPLAY(f), FRAME_MAC_WINDOW (f),
                           FRAME_BACKGROUND_PIXEL (f));
 
+#if USE_MAC_TOOLBAR
+  /* At the moment, the size of the tool bar is not yet known.  We
+     record the gravity value of the newly created window and use it
+     to adjust the position of the window (especially for a negative
+     specification of its vertical position) when the tool bar is
+     first redisplayed.  */
+  if (FRAME_EXTERNAL_TOOL_BAR (f))
+    f->output_data.mac->toolbar_win_gravity = f->win_gravity;
+#endif
+
   validate_x_resource_name ();
 
   /* x_set_name normally ignores requests to set the name if the