Merge branch 'master' into xwidget_mvp

Conflicts:
	src/xdisp.c

diff --cc configure.ac
Simple merge

diff --cc src/dispextern.h
Simple merge

diff --cc src/keyboard.c
Simple merge

diff --cc src/lisp.h
Simple merge

diff --cc src/window.c
Simple merge

diff --cc src/xdisp.c
index d3cbd257c3909209514afe6e33dbec07cf10aab5,57a5631c0e30c49e066084038208ad183579368e..0808b02c629030a9b0733eab0aff99fef96a4c47
--- 1/src/xdisp.c
--- 2/src/xdisp.c
+++ b/src/xdisp.c
@@@ -831,30 -795,20 +798,23 @@@ static int display_string (const char *
                             ptrdiff_t, ptrdiff_t, struct it *, int, int, int, int);
  static void compute_line_metrics (struct it *);
  static void run_redisplay_end_trigger_hook (struct it *);
- static int get_overlay_strings (struct it *, ptrdiff_t);
- static int get_overlay_strings_1 (struct it *, ptrdiff_t, int);
+ static bool get_overlay_strings (struct it *, ptrdiff_t);
+ static bool get_overlay_strings_1 (struct it *, ptrdiff_t, bool);
  static void next_overlay_string (struct it *);
- static void reseat (struct it *, struct text_pos, int);
- static void reseat_1 (struct it *, struct text_pos, int);
- static void back_to_previous_visible_line_start (struct it *);
- static void reseat_at_next_visible_line_start (struct it *, int);
- static int next_element_from_ellipsis (struct it *);
- static int next_element_from_display_vector (struct it *);
- static int next_element_from_string (struct it *);
- static int next_element_from_c_string (struct it *);
- static int next_element_from_buffer (struct it *);
- static int next_element_from_composition (struct it *);
- static int next_element_from_image (struct it *);
+ static void reseat (struct it *, struct text_pos, bool);
+ static void reseat_1 (struct it *, struct text_pos, bool);
+ static bool next_element_from_display_vector (struct it *);
+ static bool next_element_from_string (struct it *);
+ static bool next_element_from_c_string (struct it *);
+ static bool next_element_from_buffer (struct it *);
+ static bool next_element_from_composition (struct it *);
+ static bool next_element_from_image (struct it *);
+ static bool next_element_from_stretch (struct it *);
 +#ifdef HAVE_XWIDGETS
- static int next_element_from_xwidget (struct it *);
++static bool next_element_from_xwidget (struct it *);
 +#endif
- static int next_element_from_stretch (struct it *);
  static void load_overlay_strings (struct it *, ptrdiff_t);
- static int init_from_display_pos (struct it *, struct window *,
-                                   struct display_pos *);
- static void reseat_to_string (struct it *, const char *,
-                               Lisp_Object, ptrdiff_t, ptrdiff_t, int, int);
- static int get_next_display_element (struct it *);
+ static bool get_next_display_element (struct it *);
  static enum move_it_result
         move_it_in_display_line_to (struct it *, ptrdiff_t, int,
                                   enum move_operation_enum);
@@@ -5128,19 -5037,14 +5046,19 @@@ handle_single_display_spec (struct it *
       LOCATION specifies where to display: `left-margin',
       `right-margin' or nil.  */
  
-   valid_p = (STRINGP (value)
+   bool valid_p = (STRINGP (value)
  #ifdef HAVE_WINDOW_SYSTEM
-              || ((it ? FRAME_WINDOW_P (it->f) : frame_window_p)
-                && valid_image_p (value))
+                 || ((it ? FRAME_WINDOW_P (it->f) : frame_window_p)
+                     && valid_image_p (value))
  #endif /* not HAVE_WINDOW_SYSTEM */
 -                || (CONSP (value) && EQ (XCAR (value), Qspace)));
 +             || (CONSP (value) && EQ (XCAR (value), Qspace))
 +#ifdef HAVE_XWIDGETS
 +             || ((it ? FRAME_WINDOW_P (it->f) : frame_window_p)
 +               && valid_xwidget_spec_p (value))
 +#endif
 +             );
  
-   if (valid_p && !display_replaced_p)
+   if (valid_p && display_replaced == 0)
      {
        int retval = 1;
  
@@@ -8035,20 -7916,10 +7958,19 @@@ static boo
  next_element_from_image (struct it *it)
  {
    it->what = IT_IMAGE;
-   it->ignore_overlay_strings_at_pos_p = 0;
-   return 1;
+   it->ignore_overlay_strings_at_pos_p = false;
+   return true;
  }
  
- /* I'm not sure about this.  FIXME JAVE */
- static int
 +#ifdef HAVE_XWIDGETS
-   return 1;
++static bool
 +next_element_from_xwidget (struct it *it)
 +{
 +  it->what = IT_XWIDGET;
++  return true;
 +}
 +#endif
 +
  
  /* Fill iterator IT with next display element from a stretch glyph
     property.  IT->object is the value of the text property.  Value is
@@@ -24934,22 -24757,8 +24849,22 @@@ compute_overhangs_and_x (struct glyph_s
         ++START;                                                       \
           s->x = (X);                                                  \
         }                                                              \
-      while (0)
+      while (false)
  
 +#ifdef HAVE_XWIDGETS
 +#define BUILD_XWIDGET_GLYPH_STRING(START, END, HEAD, TAIL, HL, X, LAST_X) \
 +     do                                                                       \
 +       {                                                              \
 +       s = alloca (sizeof *s);                                        \
 +       INIT_GLYPH_STRING (s, NULL, w, row, area, START, HL);          \
 +       fill_xwidget_glyph_string (s);                                 \
 +       append_glyph_string (&(HEAD), &(TAIL), s);                     \
 +       ++(START);                                                     \
 +         s->x = (X);                                                  \
 +       }                                                              \
 +     while (false)
 +#endif
 +
  
  /* Add a glyph string for a sequence of character glyphs to the list
     of strings between HEAD and TAIL.  START is the index of the first
@@@ -25128,21 -24928,9 +25043,21 @@@
              (X) += s->width;                                          \
            }                                                           \
        }                                                               \
-     } while (0)
+     } while (false)
  
  
 +#ifdef HAVE_XWIDGETS
 +# define BUILD_GLYPH_STRINGS(START, END, HEAD, TAIL, HL, X, LAST_X)   \
 +    BUILD_GLYPH_STRINGS_1(START, END, HEAD, TAIL, HL, X, LAST_X)      \
 +    BUILD_GLYPH_STRINGS_XW(START, END, HEAD, TAIL, HL, X, LAST_X)     \
 +    BUILD_GLYPH_STRINGS_2(START, END, HEAD, TAIL, HL, X, LAST_X)
 +#else
 +# define BUILD_GLYPH_STRINGS(START, END, HEAD, TAIL, HL, X, LAST_X)   \
 +    BUILD_GLYPH_STRINGS_1(START, END, HEAD, TAIL, HL, X, LAST_X)      \
 +    BUILD_GLYPH_STRINGS_2(START, END, HEAD, TAIL, HL, X, LAST_X)
 +#endif
 +
 +
  /* Draw glyphs between START and END in AREA of ROW on window W,
     starting at x-position X.  X is relative to AREA in W.  HL is a
     face-override with the following meaning:

diff --cc src/xterm.c
Simple merge