commit aaec1d4fb12efb82b87ad322e95994de77b1a833
author Christian Brabandt <cb@256bit.org> Thu Nov 04 13:28:29 2021 +0000
committer Bram Moolenaar <Bram@vim.org> Thu Nov 04 13:28:29 2021 +0000
tree 6899cf9b5a4bcfef0fc6092b9a8bd5f7214f38f6
parent 4b2c8047679b737dcb0cd15c313ee51553aed617

patch 8.2.3580: gj does not move properly with a wide character

Problem:    gj does not move properly with a wide character.
Solution:   Move one to the right. (Christian Brabandt, closes #8702)

src/normal.c

diff --git a/src/normal.c b/src/normal.c
index e6b7a8a..ba3b53b 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -2530,7 +2530,7 @@
     int		col_off1;	// margin offset for first screen line
     int		col_off2;	// margin offset for wrapped screen line
     int		width1;		// text width for first screen line
-    int		width2;		// test width for wrapped screen line
+    int		width2;		// text width for wrapped screen line
 
     oap->motion_type = MCHAR;
     oap->inclusive = (curwin->w_curswant == MAXCOL);
@@ -2656,6 +2656,7 @@
     if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
     {
 	colnr_T virtcol;
+	int	c;
 
 	/*
 	 * Check for landing on a character that got split at the end of the
@@ -2669,6 +2670,12 @@
 	    virtcol -= vim_strsize(get_showbreak_value(curwin));
 #endif
 
+	c = (*mb_ptr2char)(ml_get_cursor());
+	if (dir == FORWARD && virtcol < curwin->w_curswant
+		&& (curwin->w_curswant <= (colnr_T)width1)
+		&& !vim_isprintc(c) && c > 255)
+	    oneright();
+
 	if (virtcol > curwin->w_curswant
 		&& (curwin->w_curswant < (colnr_T)width1
 		    ? (curwin->w_curswant > (colnr_T)width1 / 2)

src/testdir/test_normal.vim

diff --git a/src/testdir/test_normal.vim b/src/testdir/test_normal.vim
index f994f97..c437315 100644
--- a/src/testdir/test_normal.vim
+++ b/src/testdir/test_normal.vim
@@ -3423,4 +3423,16 @@
   bw!
 endfunc
 
+func Test_normal_gj_on_extra_wide_char()
+  new | 25vsp
+  let text='1 foooooooo ar e  ins‍zwe1 foooooooo ins‍zwei' .
+         \ ' i drei vier fünf sechs sieben acht un zehn elf zwöfl' .
+         \ ' dreizehn v ierzehn fünfzehn'
+  put =text
+  call cursor(2,1)
+  norm! gj
+  call assert_equal([0,2,25,0], getpos('.'))
+  bw!
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

diff --git a/src/version.c b/src/version.c
index 2dd061e..3d34c03 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3580,
+/**/
     3579,
 /**/
     3578,