From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 24 Jun 2017 11:29:32 +0000 (+0300)
Subject: Fix tab stops when line numbers are displayed
X-Git-Tag: emacs-26.0.90~518^2~156^2~30
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=55a9298d63121578cd66ef7f14c14b2160aae77d;p=emacs.git

Fix tab stops when line numbers are displayed

* src/xdisp.c (x_produce_glyphs):
* src/term.c (produce_glyphs): Adjust tab stops for the horizontal
space taken by the line-number display.
---

diff --git a/src/term.c b/src/term.c
index 8770aff8a92..b0e7e052e51 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1584,6 +1584,10 @@ produce_glyphs (struct it *it)
     {
       int absolute_x = (it->current_x
 			+ it->continuation_lines_width);
+      /* Adjust for line numbers.  Kludge alert: the "2" below is
+	 because we add 2 blanks to the actual line number.  */
+      if (!NILP (Vdisplay_line_numbers))
+	absolute_x -= it->lnum_width + 2;
       int next_tab_x
 	= (((1 + absolute_x + it->tab_width - 1)
 	    / it->tab_width)
diff --git a/src/xdisp.c b/src/xdisp.c
index f98e7a9ac7e..5f86f0bfde6 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -27865,6 +27865,10 @@ x_produce_glyphs (struct it *it)
 	    {
 	      int tab_width = it->tab_width * font->space_width;
 	      int x = it->current_x + it->continuation_lines_width;
+	      /* Adjust for line numbers.  Kludge alert: the "2" below
+		 is because we add 2 blanks to the actual line number.  */
+	      if (!NILP (Vdisplay_line_numbers))
+		x -= (it->lnum_width + 2) * font->space_width;
 	      int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width;
 
 	      /* If the distance from the current position to the next tab