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changeset 17247:cbd0432cf8ff v8.1.1623

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patch 8.1.1623: display wrong with signs in narrow number column commit https://github.com/vim/vim/commit/e4b407f536ba8bd007152649a347a95320d80fce Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 4 11:59:28 2019 +0200 patch 8.1.1623: display wrong with signs in narrow number column Problem: Display wrong with signs in narrow number column. Solution: Increase the numbercolumn width if needed. (Yegappan Lakshmanan, closes #4606)
author Bram Moolenaar <Bram@vim.org>
date Thu, 04 Jul 2019 12:00:09 +0200
parents a437ebad37b8
children 6ad25d3ae8ce
files src/option.c src/screen.c src/sign.c src/testdir/test_signs.vim src/version.c
diffstat 5 files changed, 93 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/option.c
+++ b/src/option.c
@@ -7454,11 +7454,17 @@ did_set_string_option(
 #endif /* FEAT_INS_EXPAND */
 
 #ifdef FEAT_SIGNS
-    /* 'signcolumn' */
+    // 'signcolumn'
     else if (varp == &curwin->w_p_scl)
     {
 	if (check_opt_strings(*varp, p_scl_values, FALSE) != OK)
 	    errmsg = e_invarg;
+	// When changing the 'signcolumn' to or from 'number', recompute the
+	// width of the number column if 'number' or 'relativenumber' is set.
+	if (((*oldval == 'n' && *(oldval + 1) == 'u')
+		|| (*curwin->w_p_scl == 'n' && *(curwin->w_p_scl + 1) =='u'))
+		&& (curwin->w_p_nu || curwin->w_p_rnu))
+	    curwin->w_nrwidth_line_count = 0;
     }
 #endif
 
--- a/src/screen.c
+++ b/src/screen.c
@@ -11333,6 +11333,14 @@ number_width(win_T *wp)
     if (n < wp->w_p_nuw - 1)
 	n = wp->w_p_nuw - 1;
 
+# ifdef FEAT_SIGNS
+    // If 'signcolumn' is set to 'number' and there is a sign to display, then
+    // the minimal width for the number column is 2.
+    if (n < 2 && (wp->w_buffer->b_signlist != NULL)
+	    && (*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u'))
+	n = 2;
+# endif
+
     wp->w_nrwidth_width = n;
     wp->w_nuw_cached = wp->w_p_nuw;
     return n;
--- a/src/sign.c
+++ b/src/sign.c
@@ -1008,6 +1008,20 @@ sign_list_by_name(char_u *name)
 	semsg(_("E155: Unknown sign: %s"), name);
 }
 
+    static void
+may_force_numberwidth_recompute(buf_T *buf, int unplace)
+{
+    tabpage_T	*tp;
+    win_T		*wp;
+
+    FOR_ALL_TAB_WINDOWS(tp, wp)
+	if (wp->w_buffer == buf
+		&& (wp->w_p_nu || wp->w_p_rnu)
+		&& (unplace || wp->w_nrwidth_width < 2)
+		&& (*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u'))
+	    wp->w_nrwidth_line_count = 0;
+}
+
 /*
  * Place a sign at the specified file location or update a sign.
  */
@@ -1045,7 +1059,13 @@ sign_place(
 	// ":sign place {id} file={fname}": change sign type
 	lnum = buf_change_sign_type(buf, *sign_id, sign_group, sp->sn_typenr);
     if (lnum > 0)
+    {
 	redraw_buf_line_later(buf, lnum);
+
+	// When displaying signs in the 'number' column, if the width of the
+	// number column is less than 2, then force recomputing the width.
+	may_force_numberwidth_recompute(buf, FALSE);
+    }
     else
     {
 	semsg(_("E885: Not possible to change sign %s"), sign_name);
@@ -1080,6 +1100,12 @@ sign_unplace(int sign_id, char_u *sign_g
 	    return FAIL;
     }
 
+    // When all the signs in a buffer are removed, force recomputing the
+    // number column width (if enabled) in all the windows displaying the
+    // buffer if 'signcolumn' is set to 'number' in that window.
+    if (buf->b_signlist == NULL)
+	may_force_numberwidth_recompute(buf, TRUE);
+
     return OK;
 }
 
--- a/src/testdir/test_signs.vim
+++ b/src/testdir/test_signs.vim
@@ -1788,6 +1788,56 @@ func Test_sign_numcol()
   redraw!
   call assert_equal("=>  1 01234", s:ScreenLine(1, 1, 11))
 
+  " Test displaying signs in the number column with width 1
+  call sign_unplace('*')
+  call append(1, "abcde")
+  call append(2, "01234")
+  " Enable number column with width 1
+  set number numberwidth=1 signcolumn=auto
+  redraw!
+  call assert_equal("3 01234", s:ScreenLine(3, 1, 7))
+  " Place a sign and make sure number column width remains the same
+  sign place 20 line=2 name=sign1
+  redraw!
+  call assert_equal("=>2 abcde", s:ScreenLine(2, 1, 9))
+  call assert_equal("  3 01234", s:ScreenLine(3, 1, 9))
+  " Set 'signcolumn' to 'number', make sure the number column width increases
+  set signcolumn=number
+  redraw!
+  call assert_equal("=> abcde", s:ScreenLine(2, 1, 8))
+  call assert_equal(" 3 01234", s:ScreenLine(3, 1, 8))
+  " Set 'signcolumn' to 'auto', make sure the number column width is 1.
+  set signcolumn=auto
+  redraw!
+  call assert_equal("=>2 abcde", s:ScreenLine(2, 1, 9))
+  call assert_equal("  3 01234", s:ScreenLine(3, 1, 9))
+  " Set 'signcolumn' to 'number', make sure the number column width is 2.
+  set signcolumn=number
+  redraw!
+  call assert_equal("=> abcde", s:ScreenLine(2, 1, 8))
+  call assert_equal(" 3 01234", s:ScreenLine(3, 1, 8))
+  " Disable 'number' column
+  set nonumber
+  redraw!
+  call assert_equal("=>abcde", s:ScreenLine(2, 1, 7))
+  call assert_equal("  01234", s:ScreenLine(3, 1, 7))
+  " Enable 'number' column
+  set number
+  redraw!
+  call assert_equal("=> abcde", s:ScreenLine(2, 1, 8))
+  call assert_equal(" 3 01234", s:ScreenLine(3, 1, 8))
+  " Remove the sign and make sure the width of the number column is 1.
+  call sign_unplace('', {'id' : 20})
+  redraw!
+  call assert_equal("3 01234", s:ScreenLine(3, 1, 7))
+  " When the first sign is placed with 'signcolumn' set to number, verify that
+  " the number column width increases
+  sign place 30 line=1 name=sign1
+  redraw!
+  call assert_equal("=> 01234", s:ScreenLine(1, 1, 8))
+  call assert_equal(" 2 abcde", s:ScreenLine(2, 1, 8))
+
+  sign unplace * group=*
   sign undefine sign1
   set signcolumn&
   set number&
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1623,
+/**/
     1622,
 /**/
     1621,