Merge branch 'master' of git.sv.gnu.org:/srv/git/emacs into feature/pgtk

1 files changed, 21 insertions, 6 deletions

diff --git a/src/w32term.c b/src/w32term.c
index 109aa58d732..0ee805a8526 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -2404,14 +2404,29 @@ w32_draw_stretch_glyph_string (struct glyph_string *s)
   else if (!s->background_filled_p)
     {
       int background_width = s->background_width;
-      int x = s->x, left_x = window_box_left_offset (s->w, TEXT_AREA);
+      int x = s->x, text_left_x = window_box_left_offset (s->w, TEXT_AREA);
 
-      /* Don't draw into left margin, fringe or scrollbar area
-         except for header line and mode line.  */
-      if (x < left_x && !s->row->mode_line_p)
+      /* Don't draw into left fringe or scrollbar area except for
+         header line and mode line.  */
+      if (x < text_left_x && !s->row->mode_line_p)
 	{
-	  background_width -= left_x - x;
-	  x = left_x;
+	  int left_x = WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH (s->w);
+	  int right_x = text_left_x;
+
+	  if (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (s->w))
+	    left_x += WINDOW_LEFT_FRINGE_WIDTH (s->w);
+	  else
+	    right_x -= WINDOW_LEFT_FRINGE_WIDTH (s->w);
+
+	  /* Adjust X and BACKGROUND_WIDTH to fit inside the space
+	     between LEFT_X and RIGHT_X.  */
+	  if (x < left_x)
+	    {
+	      background_width -= left_x - x;
+	      x = left_x;
+	    }
+	  if (x + background_width > right_x)
+	    background_width = right_x - x;
 	}
       if (background_width > 0)
 	w32_draw_glyph_string_bg_rect (s, x, s->y, background_width, s->height);