(adjust_point_for_property): Handle `display' prop on overlays.

Also handle `invisible' prop.

diff --git a/src/ChangeLog b/src/ChangeLog
index 4feabdd..7f50151 100644 (file)
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,13 @@
+2002-11-03  Stefan Monnier  <monnier@cs.yale.edu>
+
+       * keyboard.c (adjust_point_for_property): Handle `display' prop on
+       overlays.  Also handle `invisible' prop.
+
+2002-11-02  Stefan Monnier  <monnier@cs.yale.edu>
+
+       * coding.c (decode_coding_emacs_mule, decode_coding_iso2022)
+       (decode_coding_sjis_big5, decode_eol): Allow lone \r in DOS EOL.
+
 2002-11-01  Andreas Schwab  <schwab@suse.de>
 
        * editfns.c (Fmessage): Revert last change to properly handle %%

diff --git a/src/keyboard.c b/src/keyboard.c
index 726f835..c0afb84 100644 (file)
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -1785,47 +1785,67 @@ extern Lisp_Object Qcomposition, Qdisplay;
 
 /* Adjust point to a boundary of a region that has such a property
    that should be treated intangible.  For the moment, we check
-   `composition' and `display' property.  LAST_PT is the last position
-   of point.  */
+   `composition', `display' and `invisible' properties.
+   LAST_PT is the last position of point.  */
 
 static void
 adjust_point_for_property (last_pt)
      int last_pt;
 {
-  int start, end;
-  Lisp_Object val;
-  int check_composition = 1, check_display = 1;
+  int beg, end;
+  Lisp_Object val, overlay, tmp;
+  int check_composition = 1, check_display = 1, check_invisible = 1;
 
-  while (check_composition || check_display)
+  while (check_composition || check_display || check_invisible)
     {
       if (check_composition
          && PT > BEGV && PT < ZV
-         && get_property_and_range (PT, Qcomposition, &val, &start, &end, Qnil)
-         && COMPOSITION_VALID_P (start, end, val)
-         && start < PT && end > PT
-         && (last_pt <= start || last_pt >= end))
+         && get_property_and_range (PT, Qcomposition, &val, &beg, &end, Qnil)
+         && COMPOSITION_VALID_P (beg, end, val)
+         && beg < PT /* && end > PT   <- It's always the case.  */
+         && (last_pt <= beg || last_pt >= end))
        {
-         if (PT < last_pt)
-           SET_PT (start);
-         else
-           SET_PT (end);
+         SET_PT (PT < last_pt ? beg : end);
          check_display = 1;
+         check_invisible = 1;
        }
       check_composition = 0;
       if (check_display
          && PT > BEGV && PT < ZV
-         && get_property_and_range (PT, Qdisplay, &val, &start, &end, Qnil)
+         && !NILP (val = get_char_property_and_overlay
+                             (make_number (PT), Qdisplay, Qnil, &overlay))
          && display_prop_intangible_p (val)
-         && start < PT && end > PT
-         && (last_pt <= start || last_pt >= end))
+         && (!OVERLAYP (overlay)
+             ? get_property_and_range (PT, Qdisplay, &val, &beg, &end, Qnil)
+             : (beg = OVERLAY_POSITION (OVERLAY_START (overlay)),
+                end = OVERLAY_POSITION (OVERLAY_END (overlay))))
+         && beg < PT /* && end > PT   <- It's always the case.  */
+         && (last_pt <= beg || last_pt >= end))
        {
-         if (PT < last_pt)
-           SET_PT (start);
-         else
-           SET_PT (end);
+         SET_PT (PT < last_pt ? beg : end);
          check_composition = 1;
+         check_invisible = 1;
        }
       check_display = 0;
+      if (check_invisible
+         && PT > BEGV && PT < ZV
+         && !NILP (val = get_char_property_and_overlay
+                             (make_number (PT), Qinvisible, Qnil, &overlay))
+         && TEXT_PROP_MEANS_INVISIBLE (val)
+         && (tmp = Fprevious_single_char_property_change
+                       (make_number (PT + 1), Qinvisible, Qnil, Qnil),
+             beg = NILP (tmp) ? BEGV : XFASTINT (tmp),
+             beg < PT)
+         && (tmp = Fnext_single_char_property_change
+                       (make_number (PT), Qinvisible, Qnil, Qnil),
+             end = NILP (tmp) ? BEGV : XFASTINT (tmp),
+             (last_pt <= beg || last_pt >= end)))
+       {
+         SET_PT (PT < last_pt ? beg : end);
+         check_composition = 1;
+         check_display = 1;
+       }
+      check_invisible = 0;
     }
 }