Revert "Cleanup tooltips"

This reverts commit 20038f8a.

I am reverting this change because it was applied without prior discussion
on emacs-devel, and has been found to break the NS port.  It needs more
testing and review before it should be applied here.

src/dispextern.h

@@ -3461,6 +3461,8 @@ void gamma_correct (struct frame *, COLORREF *);
 void x_implicitly_set_name (struct frame *, Lisp_Object, Lisp_Object);
 void x_change_tool_bar_height (struct frame *f, int);
 
+extern Lisp_Object tip_frame;
+extern Window tip_window;
 extern frame_parm_handler x_frame_parm_handlers[];
 
 extern void start_hourglass (void);

src/frame.c

@@ -642,7 +642,6 @@ make_frame (bool mini_p)
   f->vertical_scroll_bar_type = vertical_scroll_bar_none;
   f->horizontal_scroll_bars = false;
   f->want_fullscreen = FULLSCREEN_NONE;
-  f->tooltip = false;
 #if ! defined (USE_GTK) && ! defined (HAVE_NS)
   f->last_tool_bar_item = -1;
 #endif
@@ -1261,16 +1260,13 @@ DEFUN ("frame-list", Fframe_list, Sframe_list,
        doc: /* Return a list of all live frames.  */)
   (void)
 {
+  Lisp_Object frames;
+  frames = Fcopy_sequence (Vframe_list);
 #ifdef HAVE_WINDOW_SYSTEM
-  Lisp_Object list = Qnil, tail, frame;
-
-  FOR_EACH_FRAME (tail, frame)
-    if (!FRAME_TOOLTIP_P (XFRAME (frame)))
-      list = Fcons (frame, list);
-  return list;
-#else /* !HAVE_WINDOW_SYSTEM */
-  return Fcopy_sequence (Vframe_list);
+  if (FRAMEP (tip_frame))
+    frames = Fdelq (tip_frame, frames);
 #endif
+  return frames;
 }
 
 /* Return CANDIDATE if it can be used as 'other-than-FRAME' frame on the
@@ -1561,7 +1557,7 @@ delete_frame (Lisp_Object frame, Lisp_Object force)
 	}
     }
 
-  is_tooltip_frame = FRAME_TOOLTIP_P (f);
+  is_tooltip_frame = !NILP (Fframe_parameter (frame, Qtooltip));
 
   /* Run `delete-frame-functions' unless FORCE is `noelisp' or
      frame is a tooltip.  FORCE is set to `noelisp' when handling
@@ -4904,6 +4900,7 @@ syms_of_frame (void)
   DEFSYM (Qgeometry, "geometry");
   DEFSYM (Qicon_left, "icon-left");
   DEFSYM (Qicon_top, "icon-top");
+  DEFSYM (Qtooltip, "tooltip");
   DEFSYM (Quser_position, "user-position");
   DEFSYM (Quser_size, "user-size");
   DEFSYM (Qwindow_id, "window-id");
@@ -5025,8 +5022,6 @@ syms_of_frame (void)
   DEFSYM (Qvertical_scroll_bars, "vertical-scroll-bars");
   DEFSYM (Qvisibility, "visibility");
   DEFSYM (Qwait_for_wm, "wait-for-wm");
-  DEFSYM (Qtooltip_timer, "tooltip-timer");
-  DEFSYM (Qtooltip_parameters, "tooltip-parameters");
 
   {
     int i;

src/frame.h

@@ -309,9 +309,6 @@ struct frame
   ENUM_BF (output_method) output_method : 3;
 
 #ifdef HAVE_WINDOW_SYSTEM
-  /* True if this frame is a tooltip frame.  */
-  bool_bf tooltip : 1;
-
   /* See FULLSCREEN_ enum on top.  */
   ENUM_BF (fullscreen_type) want_fullscreen : 4;
 
@@ -864,9 +861,6 @@ default_pixels_per_inch_y (void)
 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) \
   ((f)->vertical_scroll_bar_type == vertical_scroll_bar_right)
 
-/* Whether F is a tooltip frame.  */
-#define FRAME_TOOLTIP_P(f) ((f)->tooltip)
-
 #else /* not HAVE_WINDOW_SYSTEM */
 
 /* If there is no window system, there are no scroll bars.  */
@@ -875,9 +869,6 @@ default_pixels_per_inch_y (void)
 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) ((void) f, 0)
 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) ((void) f, 0)
 
-/* If there is no window system, there are no tooltips.  */
-#define FRAME_TOOLTIP_P(f) ((void) f, 0)
-
 #endif /* HAVE_WINDOW_SYSTEM */
 
 /* Whether horizontal scroll bars are currently enabled for frame F.  */

src/gtkutil.c

@@ -731,23 +731,14 @@ xg_show_tooltip (struct frame *f, int root_x, int root_y)
 bool
 xg_hide_tooltip (struct frame *f)
 {
+  bool ret = 0;
 #ifdef USE_GTK_TOOLTIP
-  struct x_output *x = FRAME_X_OUTPUT (f);
-
-  if (x->ttip_window)
+  if (f->output_data.x->ttip_window)
     {
       GtkWindow *win = f->output_data.x->ttip_window;
-
       block_input ();
       gtk_widget_hide (GTK_WIDGET (win));
 
-      /* Cancel call to xg_hide_tip.  */
-      if (x->ttip_timeout != 0)
-	{
-	  g_source_remove (x->ttip_timeout);
-	  x->ttip_timeout = 0;
-	}
-
       if (g_object_get_data (G_OBJECT (win), "restore-tt"))
         {
           GdkWindow *gwin = gtk_widget_get_window (GTK_WIDGET (win));
@@ -756,21 +747,11 @@ xg_hide_tooltip (struct frame *f)
           g_object_set (settings, "gtk-enable-tooltips", TRUE, NULL);
         }
       unblock_input ();
-      return 1;
-    }
-#endif
-  return 0;
-}
 
-/* One-shot timeout handler attached to GTK event loop in Fx_show_tip.  */
-
-gboolean
-xg_hide_tip (gpointer data)
-{
-#ifdef USE_GTK_TOOLTIP
-  xg_hide_tooltip ((struct frame *) data);
+      ret = 1;
+    }
 #endif
-  return FALSE;
+  return ret;
 }
 
 

src/gtkutil.h

@@ -178,7 +178,6 @@ extern bool xg_prepare_tooltip (struct frame *f,
 				int *height);
 extern void xg_show_tooltip (struct frame *f, int root_x, int root_y);
 extern bool xg_hide_tooltip (struct frame *f);
-extern gboolean xg_hide_tip (gpointer data);
 
 #ifdef USE_CAIRO
 extern void xg_page_setup_dialog (void);

src/menu.c

@@ -1400,12 +1400,7 @@ no quit occurs and `x-popup-menu' returns nil.  */)
 #ifdef HAVE_WINDOW_SYSTEM
   /* Hide a previous tip, if any.  */
   if (!FRAME_TERMCAP_P (f))
-    {
-      Lisp_Object frame;
-
-      XSETFRAME (frame, f);
-      Fx_hide_tip (frame);
-    }
+    Fx_hide_tip ();
 #endif
 
 #ifdef HAVE_NTGUI     /* FIXME: Is it really w32-specific?  --Stef  */

src/nsfns.m

@@ -2658,6 +2658,10 @@ and GNUstep implementations ("distributor-specific release
   return make_number (1 << min (dpyinfo->n_planes, 24));
 }
 
+
+/* Unused dummy def needed for compatibility. */
+Lisp_Object tip_frame;
+
 /* TODO: move to xdisp or similar */
 static void
 compute_tip_xy (struct frame *f,

src/w32fns.c

@@ -343,6 +343,7 @@ x_window_to_frame (struct w32_display_info *dpyinfo, HWND wdesc)
 
 
 static Lisp_Object unwind_create_frame (Lisp_Object);
+static void unwind_create_tip_frame (Lisp_Object);
 static void my_create_window (struct frame *);
 static void my_create_tip_window (struct frame *);
 
@@ -5067,7 +5068,6 @@ static void
 my_create_tip_window (struct frame *f)
 {
   RECT rect;
-  Window tip_window;
 
   rect.left = rect.top = 0;
   rect.right = FRAME_PIXEL_WIDTH (f);
@@ -5215,8 +5215,9 @@ x_make_gc (struct frame *f)
 }
 
 
-/* Handler for signals raised during x_create_frame.
-   FRAME is the frame which is partially constructed.  */
+/* Handler for signals raised during x_create_frame and
+   x_create_tip_frame.  FRAME is the frame which is partially
+   constructed.  */
 
 static Lisp_Object
 unwind_create_frame (Lisp_Object frame)
@@ -5990,7 +5991,7 @@ w32_display_monitor_attributes_list (void)
     {
       struct frame *f = XFRAME (frame);
 
-      if (FRAME_W32_P (f) && !FRAME_TOOLTIP_P (f))
+      if (FRAME_W32_P (f) && !EQ (frame, tip_frame))
 	{
 	  HMONITOR monitor =
 	    monitor_from_window_fn (FRAME_W32_WINDOW (f),
@@ -6077,7 +6078,7 @@ w32_display_monitor_attributes_list_fallback (struct w32_display_info *dpyinfo)
     {
       struct frame *f = XFRAME (frame);
 
-      if (FRAME_W32_P (f) && FRAME_TOOLTIP_P (f))
+      if (FRAME_W32_P (f) && !EQ (frame, tip_frame))
 	frames = Fcons (frame, frames);
     }
   attributes = Fcons (Fcons (Qframes, frames), attributes);
@@ -6480,6 +6481,39 @@ no value of TYPE (always string in the MS Windows case).  */)
 				Tool tips
  ***********************************************************************/
 
+static void compute_tip_xy (struct frame *, Lisp_Object, Lisp_Object,
+			    Lisp_Object, int, int, int *, int *);
+
+/* The frame of a currently visible tooltip.  */
+
+Lisp_Object tip_frame;
+
+/* If non-nil, a timer started that hides the last tooltip when it
+   fires.  */
+
+Lisp_Object tip_timer;
+Window tip_window;
+
+/* If non-nil, a vector of 3 elements containing the last args
+   with which x-show-tip was called.  See there.  */
+
+Lisp_Object last_show_tip_args;
+
+
+static void
+unwind_create_tip_frame (Lisp_Object frame)
+{
+  Lisp_Object deleted;
+
+  deleted = unwind_create_frame (frame);
+  if (EQ (deleted, Qt))
+    {
+      tip_window = NULL;
+      tip_frame = Qnil;
+    }
+}
+
+
 /* Create a frame for a tooltip on the display described by DPYINFO.
    PARMS is a list of frame parameters.  Value is the frame.
 
@@ -6524,7 +6558,7 @@ x_create_tip_frame (struct w32_display_info *dpyinfo, Lisp_Object parms)
   f->wants_modeline = false;
   XSETFRAME (frame, f);
 
-  record_unwind_protect (do_unwind_create_frame, frame);
+  record_unwind_protect (unwind_create_tip_frame, frame);
 
   /* By setting the output method, we're essentially saying that
      the frame is live, as per FRAME_LIVE_P.  If we get a signal
@@ -6536,7 +6570,6 @@ x_create_tip_frame (struct w32_display_info *dpyinfo, Lisp_Object parms)
 
   FRAME_FONTSET (f)  = -1;
   fset_icon_name (f, Qnil);
-  f->tooltip = true;
 
 #ifdef GLYPH_DEBUG
   image_cache_refcount =
@@ -6645,7 +6678,11 @@ x_create_tip_frame (struct w32_display_info *dpyinfo, Lisp_Object parms)
   height = FRAME_LINES (f);
   SET_FRAME_COLS (f, 0);
   SET_FRAME_LINES (f, 0);
-  change_frame_size (f, width, height, true, false, false, false);
+  adjust_frame_size (f, width * FRAME_COLUMN_WIDTH (f),
+		     height * FRAME_LINE_HEIGHT (f), 0, true, Qtip_frame);
+  /* Add `tooltip' frame parameter's default value. */
+  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.
@@ -6673,9 +6710,6 @@ x_create_tip_frame (struct w32_display_info *dpyinfo, Lisp_Object parms)
 
   f->no_split = true;
 
-  /* Now this is an official tooltip frame on this display.  */
-  dpyinfo->w32_tooltip_frame = f;
-
   /* Now that the frame is official, it counts as a reference to
      its display.  */
   FRAME_DISPLAY_INFO (f)->reference_count++;
@@ -6794,39 +6828,46 @@ compute_tip_xy (struct frame *f,
     *root_x = min_x;
 }
 
-/* Hide tooltip frame F and delete it if DELETE is true.  */
-
+/* Hide tooltip.  Delete its frame if DELETE is true.  */
 static Lisp_Object
-x_hide_tip (struct frame *f, bool delete)
+x_hide_tip (bool delete)
 {
-  if (f)
+  if (!NILP (tip_timer))
     {
-      Lisp_Object frame, timer;
+      call1 (Qcancel_timer, tip_timer);
+      tip_timer = Qnil;
+    }
 
-      XSETFRAME (frame, f);
-      timer = Fframe_parameter (frame, Qtooltip_timer);
+  if (NILP (tip_frame)
+      || (!delete && FRAMEP (tip_frame)
+	  && !FRAME_VISIBLE_P (XFRAME (tip_frame))))
+    return Qnil;
+  else
+    {
+      ptrdiff_t count;
+      Lisp_Object was_open = Qnil;
 
-      if (!NILP (timer))
-	call1 (Qcancel_timer, timer);
+      count = SPECPDL_INDEX ();
+      specbind (Qinhibit_redisplay, Qt);
+      specbind (Qinhibit_quit, Qt);
 
-      if (!delete && !FRAME_VISIBLE_P (f))
-	return Qnil;
-      else
+      if (FRAMEP (tip_frame))
 	{
-	  ptrdiff_t count = SPECPDL_INDEX ();
-
-	  specbind (Qinhibit_redisplay, Qt);
-	  specbind (Qinhibit_quit, Qt);
-
 	  if (delete)
-	    delete_frame (frame, Qnil);
+	    {
+	      delete_frame (tip_frame, Qnil);
+	      tip_frame = Qnil;
+	    }
 	  else
-	    x_make_frame_invisible (f);
+	    x_make_frame_invisible (XFRAME (tip_frame));
 
-	  return unbind_to (count, Qt);
+	  was_open = Qt;
 	}
+      else
+	tip_frame = Qnil;
+
+      return unbind_to (count, was_open);
     }
-  return Qnil;
 }
 
 
@@ -6860,8 +6901,7 @@ with offset DY added (default is -10).
 
 A tooltip's maximum size is specified by `x-max-tooltip-size'.
 Text larger than the specified size is clipped.  */)
-  (Lisp_Object string, Lisp_Object frame, Lisp_Object parms,
-   Lisp_Object timeout, Lisp_Object dx, Lisp_Object dy)
+  (Lisp_Object string, Lisp_Object frame, Lisp_Object parms, Lisp_Object timeout, Lisp_Object dx, Lisp_Object dy)
 {
   struct frame *tip_f;
   struct window *w;
@@ -6872,7 +6912,7 @@ Text larger than the specified size is clipped.  */)
   int old_windows_or_buffers_changed = windows_or_buffers_changed;
   ptrdiff_t count = SPECPDL_INDEX ();
   ptrdiff_t count_1;
-  Lisp_Object window, size, tip_frame, parameters;
+  Lisp_Object window, size;
   AUTO_STRING (tip, " *tip*");
 
   specbind (Qinhibit_redisplay, Qt);
@@ -6894,22 +6934,14 @@ Text larger than the specified size is clipped.  */)
   else
     CHECK_NUMBER (dy);
 
-  parameters = Fframe_parameter (frame, Qtooltip_parameters);
-  if (NILP (parameters))
-    parameters = Fmake_vector (make_number (3), Qnil);
+  if (NILP (last_show_tip_args))
+    last_show_tip_args = Fmake_vector (make_number (3), Qnil);
 
-  /* Look at current tooltip frame, if any.  */
-  tip_f = FRAME_DISPLAY_INFO (XFRAME (frame))->w32_tooltip_frame;
-  if (tip_f)
-    XSETFRAME (tip_frame, tip_f);
-  else
-    tip_frame = Qnil;
-
-  if (tip_f && FRAME_LIVE_P (tip_f))
+  if (FRAMEP (tip_frame) && FRAME_LIVE_P (XFRAME (tip_frame)))
     {
-      Lisp_Object last_string = AREF (parameters, 0);
-      Lisp_Object last_frame = AREF (parameters, 1);
-      Lisp_Object last_parms = AREF (parameters, 2);
+      Lisp_Object last_string = AREF (last_show_tip_args, 0);
+      Lisp_Object last_frame = AREF (last_show_tip_args, 1);
+      Lisp_Object last_parms = AREF (last_show_tip_args, 2);
 
       if (FRAME_VISIBLE_P (XFRAME (tip_frame))
 	  && EQ (frame, last_frame)
@@ -6917,10 +6949,14 @@ Text larger than the specified size is clipped.  */)
 	  && !NILP (Fequal (last_parms, parms)))
 	{
 	  /* Only DX and DY have changed.  */
-	  Lisp_Object timer = Fframe_parameter (tip_frame, Qtooltip_timer);
+	  tip_f = XFRAME (tip_frame);
+	  if (!NILP (tip_timer))
+	    {
+	      Lisp_Object timer = tip_timer;
 
-	  if (!NILP (timer))
-	    call1 (Qcancel_timer, timer);
+	      tip_timer = Qnil;
+	      call1 (Qcancel_timer, timer);
+	    }
 
 	  block_input ();
 	  compute_tip_xy (tip_f, parms, dx, dy, FRAME_PIXEL_WIDTH (tip_f),
@@ -6990,22 +7026,17 @@ Text larger than the specified size is clipped.  */)
 		}
 	    }
 
-	  x_hide_tip (tip_f, delete);
+	  x_hide_tip (delete);
 	}
       else
-	x_hide_tip (tip_f, true);
+	x_hide_tip (true);
     }
   else
-    x_hide_tip (tip_f, true);
+    x_hide_tip (true);
 
-  /* Update tooltip parameters.  */
-  {
-    AUTO_FRAME_ARG (arg, Qtooltip_parameters, parameters);
-    ASET (parameters, 0, string);
-    ASET (parameters, 1, frame);
-    ASET (parameters, 2, parms);
-    Fmodify_frame_parameters (frame, arg);
-  }
+  ASET (last_show_tip_args, 0, string);
+  ASET (last_show_tip_args, 1, frame);
+  ASET (last_show_tip_args, 2, parms);
 
   /* Block input until the tip has been fully drawn, to avoid crashes
      when drawing tips in menus.  */
@@ -7025,8 +7056,11 @@ Text larger than the specified size is clipped.  */)
       if (NILP (Fassq (Qbackground_color, parms)))
 	parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")),
 		       parms);
-      if (NILP (tip_frame
-		= x_create_tip_frame (FRAME_DISPLAY_INFO (XFRAME (frame)), parms)))
+
+      /* Create a frame for the tooltip, and record it in the global
+	 variable tip_frame.  */
+      struct frame *f;		/* The value is unused.  */
+      if (NILP (tip_frame = x_create_tip_frame (FRAME_DISPLAY_INFO (f), parms)))
 	{
 	  /* Creating the tip frame failed.  */
 	  unblock_input ();
@@ -7130,47 +7164,20 @@ Text larger than the specified size is clipped.  */)
   windows_or_buffers_changed = old_windows_or_buffers_changed;
 
  start_timer:
-  {
-    /* Let the tip disappear after timeout seconds.  */
-    AUTO_FRAME_ARG (arg, Qtooltip_timer,
-		    call3 (intern ("run-at-time"), timeout,
-			   Qnil, intern ("x-hide-tip")));
-    Fmodify_frame_parameters (tip_frame, arg);
-  }
+  /* Let the tip disappear after timeout seconds.  */
+  tip_timer = call3 (intern ("run-at-time"), timeout, Qnil,
+		     intern ("x-hide-tip"));
+
   return unbind_to (count, Qnil);
 }
 
 
-DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 1, 0,
+DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
        doc: /* Hide the current tooltip window, if there is any.
-Optional FRAME is the frame to hide tooltip on.
 Value is t if tooltip was open, nil otherwise.  */)
-  (Lisp_Object frame)
+  (void)
 {
-  Lisp_Object obj = Qnil;
-
-  if (NILP (frame))
-    {
-      struct w32_display_info *dpyinfo;
-
-      for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
-	if (dpyinfo->w32_tooltip_frame)
-	  if (!NILP (x_hide_tip (dpyinfo->w32_tooltip_frame,
-				 !tooltip_reuse_hidden_frame)))
-	    obj = Qt;
-    }
-  else
-    {
-      struct frame *f;
-
-      CHECK_FRAME (frame);
-      f = XFRAME (frame);
-      if (FRAME_DISPLAY_INFO (f)
-	  && FRAME_DISPLAY_INFO (f)->w32_tooltip_frame)
-	obj = x_hide_tip (FRAME_DISPLAY_INFO (f)->w32_tooltip_frame,
-			  !tooltip_reuse_hidden_frame);
-    }
-  return obj;
+  return x_hide_tip (!tooltip_reuse_hidden_frame);
 }
 
 /***********************************************************************
@@ -9773,6 +9780,7 @@ syms_of_w32fns (void)
   DEFSYM (Qworkarea, "workarea");
   DEFSYM (Qmm_size, "mm-size");
   DEFSYM (Qframes, "frames");
+  DEFSYM (Qtip_frame, "tip-frame");
   DEFSYM (Qassq_delete_all, "assq-delete-all");
   DEFSYM (Qunicode_sip, "unicode-sip");
 #if defined WINDOWSNT && !defined HAVE_DBUS
@@ -10158,6 +10166,13 @@ tip frame.  */);
   defsubr (&Sset_message_beep);
   defsubr (&Sx_show_tip);
   defsubr (&Sx_hide_tip);
+  tip_timer = Qnil;
+  staticpro (&tip_timer);
+  tip_frame = Qnil;
+  staticpro (&tip_frame);
+
+  last_show_tip_args = Qnil;
+  staticpro (&last_show_tip_args);
 
   defsubr (&Sx_file_dialog);
 #ifdef WINDOWSNT

src/w32term.c

@@ -5024,10 +5024,11 @@ w32_read_socket (struct terminal *terminal,
 	  /* wParam non-zero means Window is about to be shown, 0 means
 	     about to be hidden.  */
 	  /* Redo the mouse-highlight after the tooltip has gone.  */
-	  if (!msg.msg.wParam
-	      && dpyinfo->w32_tooltip_frame
-	      && FRAME_W32_WINDOW (dpyinfo->w32_tooltip_frame) == msg.msg.hwnd)
-	    x_redo_mouse_highlight (dpyinfo);
+	  if (!msg.msg.wParam && msg.msg.hwnd == tip_window)
+	    {
+	      tip_window = NULL;
+	      x_redo_mouse_highlight (dpyinfo);
+	    }
 
 	  /* If window has been obscured or exposed by another window
 	     being maximized or minimized/restored, then recheck
@@ -5393,7 +5394,7 @@ w32_read_socket (struct terminal *terminal,
 	struct frame *f = XFRAME (frame);
 	/* The tooltip has been drawn already.  Avoid the
 	   SET_FRAME_GARBAGED below.  */
-	if (FRAME_TOOLTIP_P (f))
+	if (EQ (frame, tip_frame))
 	  continue;
 
 	/* Check "visible" frames and mark each as obscured or not.
@@ -5870,7 +5871,7 @@ x_new_font (struct frame *f, Lisp_Object font_object, int fontset)
       /* Don't change the size of a tip frame; there's no point in
 	 doing it because it's done in Fx_show_tip, and it leads to
 	 problems because the tip frame has no widget.  */
-      if (!FRAME_TOOLTIP_P (f))
+      if (NILP (tip_frame) || XFRAME (tip_frame) != f)
 	adjust_frame_size (f, FRAME_COLS (f) * FRAME_COLUMN_WIDTH (f),
 			   FRAME_LINES (f) * FRAME_LINE_HEIGHT (f), 3,
 			   false, Qfont);
@@ -6568,8 +6569,6 @@ x_free_frame_resources (struct frame *f)
     dpyinfo->w32_focus_event_frame = 0;
   if (f == dpyinfo->x_highlight_frame)
     dpyinfo->x_highlight_frame = 0;
-  if (f == dpyinfo->w32_tooltip_frame)
-    dpyinfo->w32_tooltip_frame = 0;
   if (f == hlinfo->mouse_face_mouse_frame)
     reset_mouse_highlight (hlinfo);
 

src/w32term.h

@@ -186,9 +186,6 @@ struct w32_display_info
   /* The frame waiting to be auto-raised in w32_read_socket.  */
   struct frame *w32_pending_autoraise_frame;
 
-  /* Tooltip frame on this display.  */
-  struct frame *w32_tooltip_frame;
-
   /* The frame where the mouse was last time we reported a mouse event.  */
   struct frame *last_mouse_frame;
 

src/xdisp.c

@@ -2841,7 +2841,11 @@ init_iterator (struct it *it, struct window *w,
      frames when the fringes are turned off.  But leave the dimensions
      zero for tooltip frames, as these glyphs look ugly there and also
      sabotage calculations of tooltip dimensions in x-show-tip.  */
-  if (!FRAME_TOOLTIP_P (it->f))
+#ifdef HAVE_WINDOW_SYSTEM
+  if (!(FRAME_WINDOW_P (it->f)
+	&& FRAMEP (tip_frame)
+	&& it->f == XFRAME (tip_frame)))
+#endif
     {
       if (it->line_wrap == TRUNCATE)
 	{
@@ -11709,7 +11713,7 @@ x_consider_frame_title (Lisp_Object frame)
   if ((FRAME_WINDOW_P (f)
        || FRAME_MINIBUF_ONLY_P (f)
        || f->explicit_name)
-      && !FRAME_TOOLTIP_P (f))
+      && NILP (Fframe_parameter (frame, Qtooltip)))
     {
       /* Do we have more than one visible frame on this X display?  */
       Lisp_Object tail, other_frame, fmt;
@@ -11726,7 +11730,7 @@ x_consider_frame_title (Lisp_Object frame)
 	  if (tf != f
 	      && FRAME_KBOARD (tf) == FRAME_KBOARD (f)
 	      && !FRAME_MINIBUF_ONLY_P (tf)
-	      && !FRAME_TOOLTIP_P (tf)
+	      && !EQ (other_frame, tip_frame)
 	      && (FRAME_VISIBLE_P (tf) || FRAME_ICONIFIED_P (tf)))
 	    break;
 	}
@@ -11789,6 +11793,13 @@ prepare_menu_bars (void)
 {
   bool all_windows = windows_or_buffers_changed || update_mode_lines;
   bool some_windows = REDISPLAY_SOME_P ();
+  Lisp_Object tooltip_frame;
+
+#ifdef HAVE_WINDOW_SYSTEM
+  tooltip_frame = tip_frame;
+#else
+  tooltip_frame = Qnil;
+#endif
 
   if (FUNCTIONP (Vpre_redisplay_function))
     {
@@ -11829,7 +11840,7 @@ prepare_menu_bars (void)
 	      && !XBUFFER (w->contents)->text->redisplay)
 	    continue;
 
-	  if (!FRAME_TOOLTIP_P (f)
+	  if (!EQ (frame, tooltip_frame)
 	      && (FRAME_ICONIFIED_P (f)
 		  || FRAME_VISIBLE_P (f) == 1
 		  /* Exclude TTY frames that are obscured because they
@@ -11866,7 +11877,7 @@ prepare_menu_bars (void)
 	  struct window *w = XWINDOW (FRAME_SELECTED_WINDOW (f));
 
 	  /* Ignore tooltip frame.  */
-	  if (FRAME_TOOLTIP_P (f))
+	  if (EQ (frame, tooltip_frame))
 	    continue;
 
 	  if (some_windows

src/xfns.c

@@ -4151,7 +4151,7 @@ x_make_monitor_attribute_list (struct MonitorInfo *monitors,
       struct frame *f = XFRAME (frame);
 
       if (FRAME_X_P (f) && FRAME_DISPLAY_INFO (f) == dpyinfo
-	  && !FRAME_TOOLTIP_P (f))
+	  && !EQ (frame, tip_frame))
 	{
 	  int i = x_get_monitor_for_frame (f, monitors, n_monitors);
 	  ASET (monitor_frames, i, Fcons (frame, AREF (monitor_frames, i)));
@@ -4447,7 +4447,7 @@ Internal use only, use `display-monitor-attributes-list' instead.  */)
       struct frame *f = XFRAME (frame);
 
       if (FRAME_X_P (f) && FRAME_DISPLAY_INFO (f) == dpyinfo
-	  && !FRAME_TOOLTIP_P (f))
+	  && !EQ (frame, tip_frame))
 	{
 	  GdkWindow *gwin = gtk_widget_get_window (FRAME_GTK_WIDGET (f));
 
@@ -5312,6 +5312,39 @@ no value of TYPE (always string in the MS Windows case).  */)
 				Tool tips
  ***********************************************************************/
 
+static void compute_tip_xy (struct frame *, Lisp_Object, Lisp_Object,
+                            Lisp_Object, int, int, int *, int *);
+
+/* The frame of a currently visible tooltip.  */
+
+Lisp_Object tip_frame;
+
+