vim-patch:8.1.2029: cannot control 'cursorline' highlighting well

Problem:    Cannot control 'cursorline' highlighting well.
Solution:   Add "screenline". (Christian Brabandt, closes vim/vim#4933)
017ba07fa2

runtime/doc/options.txt

@@ -1809,14 +1809,21 @@ A jump table for the options with a short description can be found at |Q_op|.
 
 
 						*'cursorlineopt'* *'culopt'*
-'cursorlineopt' 'culopt' string (default: "both")
+'cursorlineopt' 'culopt' string (default: "number,line")
 			local to window
-	Settings for how 'cursorline' is displayed.  Valid values:
+	Comma separated list of settings for how 'cursorline' is displayed.
-	    "line"	Highlight the text line of the cursor with
+	Valid values:
+	"line"		Highlight the text line of the cursor with
 			CursorLine |hl-CursorLine|.
-	    "number"	Highlight the line number of the cursor with
+	"screenline"	Highlight only the screen line of the cursor with
+			CursorLine |hl-CursorLine|.
+	"number"	Highlight the line number of the cursor with
 			CursorLineNr |hl-CursorLineNr|.
-	    "both"	Highlight as both "line" and "number" are set.
+
+	Special value:
+	"both"		Alias for the values "line,number".
+
+	"line" and "screenline" cannot be used together.
 
 
 						*'debug'*

src/nvim/buffer_defs.h

@@ -1388,6 +1388,7 @@ struct window_S {
   uint32_t w_p_fde_flags;           // flags for 'foldexpr'
   uint32_t w_p_fdt_flags;           // flags for 'foldtext'
   int         *w_p_cc_cols;         // array of columns to highlight or NULL
+  char_u      w_p_culopt_flags;     // flags for cursorline highlighting
   long        w_p_siso;             // 'sidescrolloff' local value
   long        w_p_so;               // 'scrolloff' local value
 

src/nvim/change.c

@@ -292,9 +292,10 @@ static void changed_common(linenr_T lnum, colnr_T col, linenr_T lnume,
 
       // Relative numbering may require updating more.  Cursor line
       // highlighting probably needs to be updated if it's below the
-      // change.
+      // change (or is using screenline highlighting).
       if (wp->w_p_rnu
-          || (wp->w_p_cul && lnum <= wp->w_last_cursorline)) {
+          || ((wp->w_p_cul && lnum <= wp->w_last_cursorline)
+              || (wp->w_p_culopt_flags & CULOPT_SCRLINE))) {
         redraw_later(wp, SOME_VALID);
       }
     }

src/nvim/normal.c

@@ -1275,10 +1275,25 @@ static void normal_redraw(NormalState *s)
     redrawWinline(curwin, curwin->w_cursor.lnum);
   }
 
+  if (curwin->w_p_cul && curwin->w_p_wrap
+      && (curwin->w_p_culopt_flags & CULOPT_SCRLINE)) {
+    must_redraw = NOT_VALID;
+  }
+
   if (VIsual_active) {
     update_curbuf(INVERTED);  // update inverted part
   } else if (must_redraw) {
-    update_screen(0);
+    // Might need some more update for the cursorscreen line.
+    // TODO(vim): can we optimized this?
+    if (curwin->w_p_cul
+        && curwin->w_p_wrap
+        && (curwin->w_p_culopt_flags & CULOPT_SCRLINE)
+        && !char_avail()) {
+      update_screen(VALID);
+    }
+    else {
+      update_screen(0);
+    }
   } else if (redraw_cmdline || clear_cmdline) {
     showmode();
   }

src/nvim/option.c

@@ -322,7 +322,6 @@ static char *(p_scl_values[]) =       { "yes", "no", "auto", "auto:1", "auto:2",
 static char *(p_fdc_values[]) =       { "auto", "auto:1", "auto:2",
   "auto:3", "auto:4", "auto:5", "auto:6", "auto:7", "auto:8", "auto:9",
   "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", NULL };
-static char *(p_culopt_values[]) =    { "line", "number", "both", NULL };
 
 /// All possible flags for 'shm'.
 static char_u SHM_ALL[] = {
@@ -1963,6 +1962,7 @@ static void didset_options(void)
   briopt_check(curwin);
   // initialize the table for 'breakat'.
   fill_breakat_flags();
+  fill_culopt_flags(NULL, curwin);
 }
 
 // More side effects of setting options.
@@ -2414,8 +2414,7 @@ did_set_string_option(
     }
   } else if (varp == &curwin->w_p_culopt
              || gvarp == &curwin->w_allbuf_opt.wo_culopt) {  // 'cursorlineopt'
-    if (**varp == NUL
+    if (**varp == NUL || fill_culopt_flags(*varp, curwin) != OK) {
-        || check_opt_strings(*varp, p_culopt_values, false) != OK) {
       errmsg = e_invarg;
     }
   } else if (varp == &curwin->w_p_cc) {  // 'colorcolumn'
@@ -5894,6 +5893,7 @@ void didset_window_options(win_T *wp)
 {
   check_colorcolumn(wp);
   briopt_check(wp);
+  fill_culopt_flags(NULL, wp);
   set_chars_option(wp, &wp->w_p_fcs, true);
   set_chars_option(wp, &wp->w_p_lcs, true);
   parse_winhl_opt(wp);  // sets w_hl_needs_update also for w_p_winbl
@@ -6901,6 +6901,49 @@ static void fill_breakat_flags(void)
   }
 }
 
+/// fill_culopt_flags() -- called when 'culopt' changes value
+static int fill_culopt_flags(char_u *val, win_T *wp)
+{
+  char_u *p;
+  char_u culopt_flags_new = 0;
+
+  if (val == NULL) {
+    p = wp->w_p_culopt;
+  } else {
+    p = val;
+  }
+  while (*p != NUL) {
+    if (STRNCMP(p, "line", 4) == 0) {
+      p += 4;
+      culopt_flags_new |= CULOPT_LINE;
+    } else if (STRNCMP(p, "both", 4) == 0) {
+      p += 4;
+      culopt_flags_new |= CULOPT_LINE | CULOPT_NBR;
+    } else if (STRNCMP(p, "number", 6) == 0) {
+      p += 6;
+      culopt_flags_new |= CULOPT_NBR;
+    } else if (STRNCMP(p, "screenline", 10) == 0) {
+      p += 10;
+      culopt_flags_new |= CULOPT_SCRLINE;
+    }
+
+    if (*p != ',' && *p != NUL) {
+      return FAIL;
+    }
+    if (*p == ',') {
+      p++;
+    }
+  }
+
+  // Can't have both "line" and "screenline".
+  if ((culopt_flags_new & CULOPT_LINE) && (culopt_flags_new & CULOPT_SCRLINE)) {
+    return FAIL;
+  }
+  wp->w_p_culopt_flags = culopt_flags_new;
+
+  return OK;
+}
+
 /// Check an option that can be a range of string values.
 ///
 /// Return OK for correct value, FAIL otherwise.

src/nvim/option_defs.h

@@ -276,10 +276,10 @@ enum {
 })
 
 // flags used for parsed 'wildmode'
-#define WIM_FULL        1
+#define WIM_FULL        0x01
-#define WIM_LONGEST     2
+#define WIM_LONGEST     0x02
-#define WIM_LIST        4
+#define WIM_LIST        0x04
-#define WIM_BUFLASTUSED 8
+#define WIM_BUFLASTUSED 0x08
 
 // arguments for can_bs()
 // each defined char should be unique over all values
@@ -291,6 +291,11 @@ enum {
 #define BS_START        's'     // "Start"
 #define BS_NOSTOP       'p'     // "nostoP
 
+// flags for the 'culopt' option
+#define CULOPT_LINE     0x01    // Highlight complete line
+#define CULOPT_SCRLINE  0x02    // Highlight screen line
+#define CULOPT_NBR      0x04    // Highlight Number column
+
 #define LISPWORD_VALUE \
   "defun,define,defmacro,set!,lambda,if,case,let,flet,let*,letrec,do,do*,define-syntax,let-syntax,letrec-syntax,destructuring-bind,defpackage,defparameter,defstruct,deftype,defvar,do-all-symbols,do-external-symbols,do-symbols,dolist,dotimes,ecase,etypecase,eval-when,labels,macrolet,multiple-value-bind,multiple-value-call,multiple-value-prog1,multiple-value-setq,prog1,progv,typecase,unless,unwind-protect,when,with-input-from-string,with-open-file,with-open-stream,with-output-to-string,with-package-iterator,define-condition,handler-bind,handler-case,restart-bind,restart-case,with-simple-restart,store-value,use-value,muffle-warning,abort,continue,with-slots,with-slots*,with-accessors,with-accessors*,defclass,defmethod,print-unreadable-object"
 

src/nvim/options.lua

@@ -558,7 +558,8 @@ return {
     {
       full_name='cursorlineopt', abbreviation='culopt',
       short_desc=N_("settings for 'cursorline'"),
-      type='string', scope={'window'},
+      type='string', list='onecomma', scope={'window'},
+      deny_duplicates=true,
       redraw={'current_window_only'},
       defaults={if_true={vi="both"}}
     },

src/nvim/screen.c

@@ -2090,7 +2090,9 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
   sign_attrs_T sattrs[SIGN_SHOW_MAX];   // attributes for signs
   int num_signs;                        // number of signs for line
   int line_attr = 0;                    // attribute for the whole line
+  int line_attr_save;
   int line_attr_lowprio = 0;            // low-priority attribute for the line
+  int line_attr_lowprio_save;
   matchitem_T *cur;                     // points to the match list
   match_T     *shl;                     // points to search_hl or a match
   bool shl_flag;                        // flag to indicate whether search_hl
@@ -2109,6 +2111,14 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
 
   bool area_active = false;
 
+  int cul_attr = 0;                     // set when 'cursorline' active
+  // 'cursorlineopt' has "screenline" and cursor is in this line
+  bool cul_screenline = false;
+  // margin columns for the screen line, needed for when 'cursorlineopt'
+  // contains "screenline"
+  int left_curline_col = 0;
+  int right_curline_col = 0;
+
   /* draw_state: items that are drawn in sequence: */
 #define WL_START        0               /* nothing done yet */
 # define WL_CMDLINE     WL_START + 1    /* cmdline window column */
@@ -2360,26 +2370,34 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
 
   // Cursor line highlighting for 'cursorline' in the current window.
   if (lnum == wp->w_cursor.lnum) {
-    // Do not show the cursor line when Visual mode is active, because it's
+    // Do not show the cursor line in the text when Visual mode is active,
-    // not clear what is selected then.
+    // because it's not clear what is selected then.
     if (wp->w_p_cul && !(wp == curwin && VIsual_active)
-        && *wp->w_p_culopt != 'n') {
+        && wp->w_p_culopt_flags != CULOPT_NBR) {
-      int cul_attr = win_hl_attr(wp, HLF_CUL);
+      cul_screenline = (wp->w_p_wrap
+                        && (wp->w_p_culopt_flags & CULOPT_SCRLINE));
+      cul_attr = win_hl_attr(wp, HLF_CUL);
       HlAttrs ae = syn_attr2entry(cul_attr);
 
       // We make a compromise here (#7383):
       //  * low-priority CursorLine if fg is not set
       //  * high-priority ("same as Vim" priority) CursorLine if fg is set
-      if (ae.rgb_fg_color == -1 && ae.cterm_fg_color == 0) {
+      if (!cul_screenline) {
-        line_attr_lowprio = cul_attr;
+        if (ae.rgb_fg_color == -1 && ae.cterm_fg_color == 0) {
-      } else {
+          line_attr_lowprio = cul_attr;
-        if (!(State & INSERT) && bt_quickfix(wp->w_buffer)
-            && qf_current_entry(wp) == lnum) {
-          line_attr = hl_combine_attr(cul_attr, line_attr);
         } else {
-          line_attr = cul_attr;
+          if (!(State & INSERT) && bt_quickfix(wp->w_buffer)
+              && qf_current_entry(wp) == lnum) {
+            line_attr = hl_combine_attr(cul_attr, line_attr);
+          } else {
+            line_attr = cul_attr;
+          }
         }
+      } else {
+        cul_attr = 0;
+        margin_columns_win(wp, &left_curline_col, &right_curline_col);
       }
+      area_highlighting = true;
     }
     // Update w_last_cursorline even if Visual mode is active.
     wp->w_last_cursorline = wp->w_cursor.lnum;
@@ -2404,6 +2422,11 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
     area_highlighting = true;
   }
 
+  if (cul_screenline) {
+    line_attr_save = line_attr;
+    line_attr_lowprio_save = line_attr_lowprio;
+  }
+
   line = ml_get_buf(wp->w_buffer, lnum, FALSE);
   ptr = line;
 
@@ -2787,11 +2810,15 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
               // :sign defined with "numhl" highlight.
               char_attr = num_sattr->sat_numhl;
             } else if ((wp->w_p_cul || wp->w_p_rnu)
-                       && *wp->w_p_culopt != 'l'
+                       && (wp->w_p_culopt_flags & CULOPT_NBR)
+                       && (row == startrow
+                           || wp->w_p_culopt_flags & CULOPT_LINE)
                        && lnum == wp->w_cursor.lnum
                        && filler_todo == 0) {
               // When 'cursorline' is set highlight the line number of
               // the current line differently.
+              // When 'cursorlineopt' has "screenline" only highlight
+              // the line number itself.
               // TODO(vim): Can we use CursorLine instead of CursorLineNr
               // when CursorLineNr isn't set?
               char_attr = win_hl_attr(wp, HLF_CLN);
@@ -2823,9 +2850,8 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
 
           if (diff_hlf != (hlf_T)0) {
             char_attr = win_hl_attr(wp, diff_hlf);
-            if (wp->w_p_cul && lnum == wp->w_cursor.lnum
+            if (cul_attr) {
-                && *wp->w_p_culopt != 'n') {
+              char_attr = hl_combine_attr(char_attr, cul_attr);
-              char_attr = hl_combine_attr(char_attr, win_hl_attr(wp, HLF_CUL));
             }
           }
           p_extra = NULL;
@@ -2884,9 +2910,8 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
           if (tocol == vcol)
             tocol += n_extra;
           // Combine 'showbreak' with 'cursorline', prioritizing 'showbreak'.
-          if (wp->w_p_cul && lnum == wp->w_cursor.lnum
+          if (cul_attr) {
-              && *wp->w_p_culopt != 'n') {
+            char_attr = hl_combine_attr(cul_attr, char_attr);
-            char_attr = hl_combine_attr(win_hl_attr(wp, HLF_CUL), char_attr);
           }
         }
       }
@@ -2913,6 +2938,24 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
       }
     }
 
+    if (cul_screenline) {
+      if (draw_state == WL_LINE
+          && vcol >= left_curline_col
+          && vcol < right_curline_col) {
+        cul_attr = win_hl_attr(wp, HLF_CUL);
+        HlAttrs ae = syn_attr2entry(cul_attr);
+        if (ae.rgb_fg_color == -1 && ae.cterm_fg_color == 0) {
+          line_attr_lowprio = cul_attr;
+        } else {
+          line_attr = cul_attr;
+        }
+      } else {
+        cul_attr = 0;
+        line_attr = line_attr_save;
+        line_attr_lowprio = line_attr_lowprio_save;
+      }
+    }
+
     // When still displaying '$' of change command, stop at cursor
     if (((dollar_vcol >= 0
           && wp == curwin
@@ -3120,13 +3163,11 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
         }
         line_attr = win_hl_attr(wp, diff_hlf);
         // Overlay CursorLine onto diff-mode highlight.
-        if (wp->w_p_cul && lnum == wp->w_cursor.lnum
+        if (cul_attr) {
-            && *wp->w_p_culopt != 'n') {
           line_attr = 0 != line_attr_lowprio  // Low-priority CursorLine
-            ? hl_combine_attr(hl_combine_attr(win_hl_attr(wp, HLF_CUL),
+            ? hl_combine_attr(hl_combine_attr(cul_attr, line_attr),
-                                              line_attr),
                               hl_get_underline())
-            : hl_combine_attr(line_attr, win_hl_attr(wp, HLF_CUL));
+            : hl_combine_attr(line_attr, cul_attr);
         }
       }
 
@@ -3202,6 +3243,12 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
           (void)mb_l;
           multi_attr = win_hl_attr(wp, HLF_AT);
 
+          if (cul_attr) {
+            multi_attr = 0 != line_attr_lowprio
+              ? hl_combine_attr(cul_attr, multi_attr)
+              : hl_combine_attr(multi_attr, cul_attr);
+          }
+
           // put the pointer back to output the double-width
           // character at the start of the next line.
           n_extra++;
@@ -3362,7 +3409,13 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
           ptr = line + v;
 
           if (!attr_pri) {
-            char_attr = syntax_attr;
+            if (cul_attr) {
+              char_attr = 0 != line_attr_lowprio
+                ? hl_combine_attr(cul_attr, syntax_attr)
+                : hl_combine_attr(syntax_attr, cul_attr);
+            } else {
+              char_attr = syntax_attr;
+            }
           } else {
             char_attr = hl_combine_attr(syntax_attr, char_attr);
           }
@@ -3929,9 +3982,8 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
         }
 
         int eol_attr = char_attr;
-        if (wp->w_p_cul && lnum == wp->w_cursor.lnum
+        if (cul_attr) {
-            && *wp->w_p_culopt != 'n') {
+          eol_attr = hl_combine_attr(cul_attr, eol_attr);
-          eol_attr = hl_combine_attr(win_hl_attr(wp, HLF_CUL), eol_attr);
         }
         linebuf_attr[off] = eol_attr;
         if (wp->w_p_rl) {
@@ -7516,6 +7568,49 @@ int number_width(win_T *wp)
   return n;
 }
 
+/// Used when 'cursorlineopt' contains "screenline": compute the margins between
+/// which the highlighting is used.
+static void margin_columns_win(win_T *wp, int *left_col, int *right_col)
+{
+  // cache previous calculations depending on w_virtcol
+  static int saved_w_virtcol;
+  static win_T *prev_wp;
+  static int prev_left_col;
+  static int prev_right_col;
+  static int prev_col_off;
+
+  int cur_col_off = win_col_off(wp);
+  int width1;
+  int width2;
+
+  if (saved_w_virtcol == wp->w_virtcol && prev_wp == wp
+      && prev_col_off == cur_col_off) {
+    *right_col = prev_right_col;
+    *left_col = prev_left_col;
+    return;
+  }
+
+  width1 = wp->w_width - cur_col_off;
+  width2 = width1 + win_col_off2(wp);
+
+  *left_col = 0;
+  *right_col = width1;
+
+  if (wp->w_virtcol >= (colnr_T)width1) {
+    *right_col = width1 + ((wp->w_virtcol - width1) / width2 + 1) * width2;
+  }
+  if (wp->w_virtcol >= (colnr_T)width1 && width2 > 0) {
+    *left_col = (wp->w_virtcol - width1) / width2 * width2 + width1;
+  }
+
+  // cache values
+  prev_left_col = *left_col;
+  prev_right_col = *right_col;
+  prev_wp = wp;
+  saved_w_virtcol = wp->w_virtcol;
+  prev_col_off = cur_col_off;
+}
+
 /// Set dimensions of the Nvim application "shell".
 void screen_resize(int width, int height)
 {

src/nvim/syntax.c

@@ -6081,7 +6081,7 @@ static const char *highlight_init_light[] = {
   "ColorColumn  ctermbg=LightRed guibg=LightRed",
   "CursorColumn ctermbg=LightGrey guibg=Grey90",
   "CursorLine   cterm=underline guibg=Grey90",
-  "CursorLineNr ctermfg=Brown gui=bold guifg=Brown",
+  "CursorLineNr cterm=underline ctermfg=Brown gui=bold guifg=Brown",
   "DiffAdd      ctermbg=LightBlue guibg=LightBlue",
   "DiffChange   ctermbg=LightMagenta guibg=LightMagenta",
   "DiffDelete   ctermfg=Blue ctermbg=LightCyan gui=bold guifg=Blue guibg=LightCyan",
@@ -6132,7 +6132,7 @@ static const char *highlight_init_dark[] = {
   "ColorColumn  ctermbg=DarkRed guibg=DarkRed",
   "CursorColumn ctermbg=DarkGrey guibg=Grey40",
   "CursorLine   cterm=underline guibg=Grey40",
-  "CursorLineNr ctermfg=Yellow gui=bold guifg=Yellow",
+  "CursorLineNr cterm=underline ctermfg=Yellow gui=bold guifg=Yellow",
   "DiffAdd      ctermbg=DarkBlue guibg=DarkBlue",
   "DiffChange   ctermbg=DarkMagenta guibg=DarkMagenta",
   "DiffDelete   ctermfg=Blue ctermbg=DarkCyan gui=bold guifg=Blue guibg=DarkCyan",

src/nvim/testdir/test_cursorline.vim

@@ -1,7 +1,7 @@
 " Test for cursorline and cursorlineopt
-"
+
-source view_util.vim
 source check.vim
+source screendump.vim
 
 function! s:screen_attr(lnum) abort
   return map(range(1, 8), 'screenattr(a:lnum, v:val)')
@@ -106,3 +106,93 @@ func Test_cursorline_highlight2()
     exe 'hi' save_hi
   endtry
 endfunc
+
+func Test_cursorline_screenline()
+  CheckScreendump
+  CheckOption cursorlineopt
+  let filename='Xcursorline'
+  let lines = []
+
+  let file_content =<< trim END
+    1 foooooooo ar eins‍zwei drei vier fünf sechs sieben acht un zehn elf zwöfl dreizehn	v ierzehn	fünfzehn
+    2 foooooooo bar eins zwei drei vier fünf sechs sieben
+    3 foooooooo bar eins zwei drei vier fünf sechs sieben
+    4 foooooooo bar eins zwei drei vier fünf sechs sieben
+  END
+  let lines1 =<< trim END1
+    set nocp
+    set display=lastline
+    set cursorlineopt=screenline cursorline nu wrap sbr=>
+    hi CursorLineNr ctermfg=blue
+    25vsp
+  END1
+  let lines2 =<< trim END2
+    call cursor(1,1)
+  END2
+  call extend(lines, lines1)
+  call extend(lines,  ["call append(0, ".. string(file_content).. ')'])
+  call extend(lines, lines2)
+  call writefile(lines, filename)
+  " basic test
+  let buf = RunVimInTerminal('-S '. filename, #{rows: 20})
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_1', {})
+  call term_sendkeys(buf, "fagj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_2', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_3', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_4', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_5', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_6', {})
+  " test with set list and cursorlineopt containing number
+  call term_sendkeys(buf, "gg0")
+  call term_sendkeys(buf, ":set list cursorlineopt+=number listchars=space:-\<cr>")
+  call VerifyScreenDump(buf, 'Test_'. filename. '_7', {})
+  call term_sendkeys(buf, "fagj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_8', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_9', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_10', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_11', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_12', {})
+  if exists("+foldcolumn") && exists("+signcolumn") && exists("+breakindent")
+    " test with set foldcolumn signcoloumn and breakindent
+    call term_sendkeys(buf, "gg0")
+    call term_sendkeys(buf, ":set breakindent foldcolumn=2 signcolumn=yes\<cr>")
+    call VerifyScreenDump(buf, 'Test_'. filename. '_13', {})
+    call term_sendkeys(buf, "fagj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_14', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_15', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_16', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_17', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_18', {})
+  endif
+
+  call StopVimInTerminal(buf)
+  call delete(filename)
+endfunc