Merge from emacs-23; up to 2010-06-22T07:41:10Z!rgm@gnu.org

[gnu-emacs] / src / xmenu.c

diff --git a/src/xmenu.c b/src/xmenu.c
index 1cb71187c0cb4e49058302c3577330bb1fde2402..0dd652b566d1e710444e851b491d9b18bc7e7c3e 100644 (file)
--- a/src/xmenu.c
+++ b/src/xmenu.c
@@ -740,10 +740,13 @@ menu_highlight_callback (GtkWidget *widget, gpointer call_data)
   help = call_data ? cb_data->help : Qnil;
 
   /* If popup_activated_flag is greater than 1 we are in a popup menu.
-     Don't show help for them, they won't appear before the
-     popup is popped down.  */
-  if (popup_activated_flag <= 1)
-    show_help_event (cb_data->cl_data->f, widget, help);
+     Don't pass the frame to show_help_event for those.
+     Passing frame creates an Emacs event.  As we are looping in
+     popup_widget_loop, it won't be handled.  Passing NULL shows the tip
+     directly without using an Emacs event.  This is what the Lucid code
+     does below.  */
+  show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL,
+                   widget, help);
 }
 #else
 static void
@@ -1601,6 +1604,17 @@ create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv,
 
 #endif /* not USE_GTK */
 
+static Lisp_Object
+cleanup_widget_value_tree (Lisp_Object arg)
+{
+  struct Lisp_Save_Value *p = XSAVE_VALUE (arg);
+  widget_value *wv = p->pointer;
+
+  free_menubar_widget_value_tree (wv);
+
+  return Qnil;
+}
+
 Lisp_Object
 xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps,
            Lisp_Object title, const char **error_name, Time timestamp)
@@ -1615,6 +1629,8 @@ xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps,
 
   int first_pane;
 
+  int specpdl_count = SPECPDL_INDEX ();
+
   if (! FRAME_X_P (f))
     abort ();
 
@@ -1809,11 +1825,15 @@ xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps,
   /* No selection has been chosen yet.  */
   menu_item_selection = 0;
 
+  /* Make sure to free the widget_value objects we used to specify the
+     contents even with longjmp.  */
+  record_unwind_protect (cleanup_widget_value_tree,
+                        make_save_value (first_wv, 0));
+
   /* Actually create and show the menu until popped down.  */
   create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp);
 
-  /* Free the widget_value objects we used to specify the contents.  */
-  free_menubar_widget_value_tree (first_wv);
+  unbind_to (specpdl_count, Qnil);
 
   /* Find the selected item, and its pane, to return
      the proper value.  */
@@ -1944,7 +1964,7 @@ create_and_show_dialog (FRAME_PTR f, widget_value *first_wv)
   LWLIB_ID dialog_id;
 
   if (!FRAME_X_P (f))
-    abort();
+    abort ();
 
   dialog_id = widget_id_tick++;
 #ifdef USE_LUCID
@@ -2000,6 +2020,8 @@ xdialog_show (FRAME_PTR f,
   /* 1 means we've seen the boundary between left-hand elts and right-hand.  */
   int boundary_seen = 0;
 
+  int specpdl_count = SPECPDL_INDEX ();
+
   if (! FRAME_X_P (f))
     abort ();
 
@@ -2092,7 +2114,7 @@ xdialog_show (FRAME_PTR f,
     /*  Frame title: 'Q' = Question, 'I' = Information.
         Can also have 'E' = Error if, one day, we want
         a popup for errors. */
-    if (NILP(header))
+    if (NILP (header))
       dialog_name[0] = 'Q';
     else
       dialog_name[0] = 'I';
@@ -2113,11 +2135,15 @@ xdialog_show (FRAME_PTR f,
   /* No selection has been chosen yet.  */
   menu_item_selection = 0;
 
+  /* Make sure to free the widget_value objects we used to specify the
+     contents even with longjmp.  */
+  record_unwind_protect (cleanup_widget_value_tree,
+                        make_save_value (first_wv, 0));
+
   /* Actually create and show the dialog.  */
   create_and_show_dialog (f, first_wv);
 
-  /* Free the widget_value objects we used to specify the contents.  */
-  free_menubar_widget_value_tree (first_wv);
+  unbind_to (specpdl_count, Qnil);
 
   /* Find the selected item, and its pane, to return
      the proper value.  */
@@ -2559,8 +2585,7 @@ DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_
 void
 syms_of_xmenu (void)
 {
-  Qdebug_on_next_call = intern_c_string ("debug-on-next-call");
-  staticpro (&Qdebug_on_next_call);
+  DEFSYM (Qdebug_on_next_call, "debug-on-next-call");
 
 #ifdef USE_X_TOOLKIT
   widget_id_tick = (1<<16);