From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 15 Jan 2022 13:58:21 +0000 (+0200)
Subject: Fix setting cursor in pixel-scrolling modes
X-Git-Tag: emacs-29.0.90~3028
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=de3a95726540ffb4a3d2197f5581b684b8c3608f;p=emacs.git

Fix setting cursor in pixel-scrolling modes

* src/xdisp.c (redisplay_window): Don't set cursor to any glyph
row past the one that contains EOB.  (Bug#53275)
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 977d31703fb..c695e466e78 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -19157,7 +19157,8 @@ redisplay_window (Lisp_Object window, bool just_this_one_p)
 	  struct glyph_row *row;
 
 	  row = MATRIX_FIRST_TEXT_ROW (w->desired_matrix);
-	  while (MATRIX_ROW_BOTTOM_Y (row) < new_vpos)
+	  while (MATRIX_ROW_BOTTOM_Y (row) < new_vpos
+		 && !row->ends_at_zv_p)
 	    ++row;
 
 	  TEMP_SET_PT_BOTH (MATRIX_ROW_START_CHARPOS (row),