master e0bcc25 2/3: Fix extend face in gui interfaces.

[Jimmy Aguilar Mena]

branch: master
commit e0bcc25f64da44e3b5e68b66f361cfa73c0f79b2
Author: Jimmy Aguilar Mena <address@hidden>
Commit: Jimmy Aguilar Mena <address@hidden>

    Fix extend face in gui interfaces.
    
    * src/xdisp.c (extend_face_to_end_of_line) : Change call to
    PRODUCE_GLYPHS with append_stretch_glyph to fill until the windows
    border.
---
 src/xdisp.c | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/src/xdisp.c b/src/xdisp.c
index 987c760..8aefab9 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -21657,10 +21657,6 @@ extend_face_to_end_of_line (struct it *it)
              it->glyph_row->used[RIGHT_MARGIN_AREA] = 1;
            }
 
-         /* Display fill column indicator if not in modeline or
-            toolbar and display fill column indicator mode is
-            active.  */
-
          struct font *font = (default_face->font
                               ? default_face->font
                               : FRAME_FONT (f));
@@ -21683,14 +21679,17 @@ extend_face_to_end_of_line (struct it *it)
          it->avoid_cursor_p = true;
          it->object = Qnil;
 
+         const int stretch_ascent = (((it->ascent + it->descent)
+                                      * FONT_BASE (font)) / FONT_HEIGHT 
(font));
+
          if (indicator_column >= 0
              && indicator_column > it->current_x
              && indicator_column < it->last_visible_x)
-            {
+           {
 
              /* Here we substract char_width because we want the
-                column indicator in the column INDICATOR_COLUMN, not
-                after it.  */
+                column indicator in the column INDICATOR_COLUMN,
+                not after it.  */
              const int stretch_width =
                indicator_column - it->current_x - char_width;
 
@@ -21700,8 +21699,6 @@ extend_face_to_end_of_line (struct it *it)
                 between current_x and the indicator position.  */
              if (stretch_width > 0)
                {
-                 int stretch_ascent = (((it->ascent + it->descent)
-                                        * FONT_BASE (font)) / FONT_HEIGHT 
(font));
                  append_stretch_glyph (it, Qnil, stretch_width,
                                        it->ascent + it->descent,
                                        stretch_ascent);
@@ -21720,13 +21717,15 @@ extend_face_to_end_of_line (struct it *it)
                  PRODUCE_GLYPHS (it);
                  it->face_id = save_face_id;
                }
-            }
+           }
 
-         /* If there is space after the indicator generate an
-            extra empty glyph to restore the face.  Issue was
-            observed in X systems.  */
-         it->char_to_display = ' ';
-         PRODUCE_GLYPHS (it);
+         /* Fill space until window edge with the merged face.  */
+         const int stretch_width = it->last_visible_x - it->current_x;
+
+         if (stretch_width > 0)
+             append_stretch_glyph (it, Qnil, stretch_width,
+                                   it->ascent + it->descent,
+                                   stretch_ascent);
 
          it->char_to_display = saved_char;
          it->position = saved_pos;
@@ -21734,7 +21733,6 @@ extend_face_to_end_of_line (struct it *it)
          it->start_of_box_run_p = saved_box_start;
          it->object = save_object;
          it->face_id = saved_face_id;
-
        }
       if (it->glyph_row->reversed_p)
        {