Fix faulty `if' statement in delete_frame.

* frame.c (Qtooltip): New var.
(delete_frame): Use it.  Fix faulty if statement.  Don't update
mode line for tooltip frames.  Suggested by Martin Rudalics.

* xfns.c (x_create_tip_frame):
* w32fns.c (x_create_tip_frame): Use it.

4 files changed, 25 insertions, 10 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 0db4a543ab7..77581160a0e 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,12 @@
+2010-07-02  Chong Yidong  <cyd@stupidchicken.com>
+
+        * frame.c (Qtooltip): New var.
+        (delete_frame): Use it.  Fix faulty if statement.  Don't update
+        mode line for tooltip frames.  Suggested by Martin Rudalics.
+
+        * xfns.c (x_create_tip_frame):
+        * w32fns.c (x_create_tip_frame): Use it.
+
 2010-06-30  Naohiro Aota  <naota@elisp.net>  (tiny change)
 
         * xftfont.c (xftfont_open): Check font width one by one also when
diff --git a/src/frame.c b/src/frame.c
index 5915c00bca1..a30d1e18175 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -100,6 +100,7 @@ Lisp_Object Qgeometry;  /* Not used */
 Lisp_Object Qheight, Qwidth;
 Lisp_Object Qleft, Qright;
 Lisp_Object Qicon_left, Qicon_top, Qicon_type, Qicon_name;
+Lisp_Object Qtooltip;
 Lisp_Object Qinternal_border_width;
 Lisp_Object Qmouse_color;
 Lisp_Object Qminibuffer;
@@ -1329,7 +1330,7 @@ delete_frame (frame, force)
   struct frame *sf = SELECTED_FRAME ();
   struct kboard *kb;
 
-  int minibuffer_selected;
+  int minibuffer_selected, tooltip_frame;
 
   if (EQ (frame, Qnil))
     {
@@ -1381,13 +1382,15 @@ delete_frame (frame, force)
         }
     }
 
+  tooltip_frame = !NILP (Fframe_parameter (frame, intern ("tooltip")));
+
   /* Run `delete-frame-functions' unless FORCE is `noelisp' or
      frame is a tooltip.  FORCE is set to `noelisp' when handling
      a disconnect from the terminal, so we don't dare call Lisp
      code.  */
-  if (NILP (Vrun_hooks) || !NILP (Fframe_parameter (frame, intern ("tooltip"))))
+  if (NILP (Vrun_hooks) || tooltip_frame)
     ;
-  if (EQ (force, Qnoelisp))
+  else if (EQ (force, Qnoelisp))
     pending_funcalls
       = Fcons (list3 (Qrun_hook_with_args, Qdelete_frame_functions, frame),
                pending_funcalls);
@@ -1633,7 +1636,8 @@ delete_frame (frame, force)
     }
 
   /* Cause frame titles to update--necessary if we now have just one frame.  */
-  update_mode_lines = 1;
+  if (!tooltip_frame)
+    update_mode_lines = 1;
 
   return Qnil;
 }
@@ -4451,6 +4455,8 @@ syms_of_frame ()
   staticpro (&Qicon_left);
   Qicon_top = intern_c_string ("icon-top");
   staticpro (&Qicon_top);
+  Qtooltip = intern_c_string ("tooltip");
+  staticpro (&Qtooltip);
   Qleft = intern_c_string ("left");
   staticpro (&Qleft);
   Qright = intern_c_string ("right");
diff --git a/src/w32fns.c b/src/w32fns.c
index bc310da0d2f..fe03537c49b 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -5584,9 +5584,8 @@ x_create_tip_frame (dpyinfo, parms, text)
   change_frame_size (f, height, width, 1, 0, 0);
 
   /* Add `tooltip' frame parameter's default value. */
-  if (NILP (Fframe_parameter (frame, intern ("tooltip"))))
-    Fmodify_frame_parameters (frame, Fcons (Fcons (intern ("tooltip"), Qt),
-                                            Qnil));
+  if (NILP (Fframe_parameter (frame, Qtooltip)))
+    Fmodify_frame_parameters (frame, Fcons (Fcons (Qtooltip, Qt), Qnil));
 
   /* Set up faces after all frame parameters are known.  This call
      also merges in face attributes specified for new frames.
diff --git a/src/xfns.c b/src/xfns.c
index 6d041708eec..d06b83b5186 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -205,6 +205,8 @@ extern Lisp_Object Vwindow_system_version;
 
 /* The below are defined in frame.c.  */
 
+extern Lisp_Object Qtooltip;
+
 #if GLYPH_DEBUG
 int image_cache_refcount, dpyinfo_refcount;
 #endif
@@ -4914,9 +4916,8 @@ x_create_tip_frame (dpyinfo, parms, text)
   change_frame_size (f, height, width, 1, 0, 0);
 
   /* Add `tooltip' frame parameter's default value. */
-  if (NILP (Fframe_parameter (frame, intern ("tooltip"))))
-    Fmodify_frame_parameters (frame, Fcons (Fcons (intern ("tooltip"), Qt),
-                                            Qnil));
+  if (NILP (Fframe_parameter (frame, Qtooltip)))
+    Fmodify_frame_parameters (frame, Fcons (Fcons (Qtooltip, Qt), Qnil));
 
   /* FIXME - can this be done in a similar way to normal frames?
      http://lists.gnu.org/archive/html/emacs-devel/2007-10/msg00641.html */