(w32_num_mouse_buttons): Rename from Vw32_num_mouse_buttons and make

it an int.

diff --git a/src/w32term.c b/src/w32term.c
index 93a3d7d61c9d89f71f594aaf567c5b737ceb7087..71125fe419521fc266f83a7995f6a407b2d3021a 100644 (file)
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -177,7 +177,7 @@ int last_scroll_bar_drag_pos;
 static RECT last_mouse_glyph;
 static Lisp_Object last_mouse_press_frame;
 
-Lisp_Object Vw32_num_mouse_buttons;
+int w32_num_mouse_buttons;
 
 Lisp_Object Vw32_swap_mouse_buttons;
 
@@ -4360,10 +4360,16 @@ w32_read_socket (sd, expected, hold_quit)
 
           /* If the contents of the global variable help_echo_string
              has changed, generate a HELP_EVENT.  */
+#if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
+        But it was originally changed to this to fix a bug, so I have
+        not removed it completely in case the bug is still there.  */
           if (help_echo_string != previous_help_echo_string ||
              (!NILP (help_echo_string) && !STRINGP (help_echo_string) && f->mouse_moved))
+#else /* This is what xterm.c does.  */
+           if (!NILP (help_echo_string)
+               || !NILP (previous_help_echo_string))
            do_help = 1;
-
+#endif
           break;
 
        case WM_LBUTTONDOWN:
@@ -4784,7 +4790,7 @@ w32_read_socket (sd, expected, hold_quit)
 
          if (do_help > 0)
            {
-             if (help_echo_string == Qnil)
+             if (NILP (help_echo_string))
                {
                  help_echo_object = help_echo_window = Qnil;
                  help_echo_pos = -1;
@@ -6459,9 +6465,9 @@ syms_of_w32term ()
   Qvendor_specific_keysyms = intern ("vendor-specific-keysyms");
 
   DEFVAR_INT ("w32-num-mouse-buttons",
-             &Vw32_num_mouse_buttons,
+             &w32_num_mouse_buttons,
              doc: /* Number of physical mouse buttons.  */);
-  Vw32_num_mouse_buttons = Qnil;
+  w32_num_mouse_buttons = 2;
 
   DEFVAR_LISP ("w32-swap-mouse-buttons",
              &Vw32_swap_mouse_buttons,