(pos_visible_p): Handle the case where charpos falls on

invisible text covered with an ellipsis.

1 files changed, 22 insertions, 0 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 8c1b2b945fe..d8619cdfa9e 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1321,6 +1321,28 @@ pos_visible_p (w, charpos, x, y, rtop, rbot, rowh, vpos)
           visible_p = 1;
       if (visible_p)
         {
+          Lisp_Object window, prop;
+
+          XSETWINDOW (window, w);
+          prop = Fget_char_property (make_number (it.position.charpos),
+                                     Qinvisible, window);
+
+          /* If charpos coincides with invisible text covered with an
+             ellipsis, use the first glyph of the ellipsis to compute
+             the pixel positions.  */
+          if (TEXT_PROP_MEANS_INVISIBLE (prop) == 2)
+            {
+              struct glyph_row *row = it.glyph_row;
+              struct glyph *glyph = row->glyphs[TEXT_AREA];
+              struct glyph *end = glyph + row->used[TEXT_AREA];
+              int x = row->x;
+
+              for (; glyph < end && glyph->charpos < charpos; glyph++)
+                x += glyph->pixel_width;
+
+              top_x = x;
+            }
+
           *x = top_x;
           *y = max (top_y + max (0, it.max_ascent - it.ascent), window_top_y);
           *rtop = max (0, window_top_y - top_y);