Patch 8.2.3280
Problem:    'virtualedit' local to buffer is not the best solution.
Solution:   Make it window-local. (Gary Johnson, closes #8685)
Files:      runtime/doc/options.txt, src/buffer.c, src/drawscreen.c,
            src/ops.c, src/option.c, src/option.h, src/optionstr.c,
            src/structs.h, src/testdir/test_virtualedit.vim


*** ../vim-8.2.3279/runtime/doc/options.txt     2021-07-26 22:19:05.372122592 
+0200
--- runtime/doc/options.txt     2021-08-03 18:22:12.256593449 +0200
***************
*** 8634,8640 ****
  
                                            *'virtualedit'* *'ve'*
  'virtualedit' 've'    string  (default "")
!                       global or local to buffer |global-local|
        A comma separated list of these words:
            block       Allow virtual editing in Visual block mode.
            insert      Allow virtual editing in Insert mode.
--- 8643,8649 ----
  
                                            *'virtualedit'* *'ve'*
  'virtualedit' 've'    string  (default "")
!                       global or local to window |global-local|
        A comma separated list of these words:
            block       Allow virtual editing in Visual block mode.
            insert      Allow virtual editing in Insert mode.
*** ../vim-8.2.3279/src/buffer.c        2021-07-29 20:37:45.652199179 +0200
--- src/buffer.c        2021-08-03 18:22:12.260593440 +0200
***************
*** 2388,2394 ****
  #endif
      clear_string_option(&buf->b_p_bkc);
      clear_string_option(&buf->b_p_menc);
-     clear_string_option(&buf->b_p_ve);
  }
  
  /*
--- 2388,2393 ----
*** ../vim-8.2.3279/src/drawscreen.c    2021-07-26 22:19:05.376122583 +0200
--- src/drawscreen.c    2021-08-03 18:22:12.260593440 +0200
***************
*** 2006,2020 ****
            {
                colnr_T     fromc, toc;
  #if defined(FEAT_LINEBREAK)
!               int         save_ve_flags = curbuf->b_ve_flags;
  
                if (curwin->w_p_lbr)
!                   curbuf->b_ve_flags = VE_ALL;
  #endif
                getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc);
                ++toc;
  #if defined(FEAT_LINEBREAK)
!               curbuf->b_ve_flags = save_ve_flags;
  #endif
                // Highlight to the end of the line, unless 'virtualedit' has
                // "block".
--- 2006,2020 ----
            {
                colnr_T     fromc, toc;
  #if defined(FEAT_LINEBREAK)
!               int         save_ve_flags = curwin->w_ve_flags;
  
                if (curwin->w_p_lbr)
!                   curwin->w_ve_flags = VE_ALL;
  #endif
                getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc);
                ++toc;
  #if defined(FEAT_LINEBREAK)
!               curwin->w_ve_flags = save_ve_flags;
  #endif
                // Highlight to the end of the line, unless 'virtualedit' has
                // "block".
*** ../vim-8.2.3279/src/ops.c   2021-07-26 22:19:05.380122574 +0200
--- src/ops.c   2021-08-03 18:22:12.260593440 +0200
***************
*** 1475,1495 ****
        // already disabled, but still need it when calling
        // coladvance_force().
        // coladvance_force() uses get_ve_flags() to get the 'virtualedit'
!       // state for the current buffer.  To override that state, we need to
!       // set the buffer-local value of ve_flags rather than the global value.
        if (curwin->w_cursor.coladd > 0)
        {
!           int         old_ve_flags = curbuf->b_ve_flags;
  
            if (u_save_cursor() == FAIL)
                return;
  
!           curbuf->b_ve_flags = VE_ALL;
            coladvance_force(oap->op_type == OP_APPEND
                                           ? oap->end_vcol + 1 : getviscol());
            if (oap->op_type == OP_APPEND)
                --curwin->w_cursor.col;
!           curbuf->b_ve_flags = old_ve_flags;
        }
        // Get the info about the block before entering the text
        block_prep(oap, &bd, oap->start.lnum, TRUE);
--- 1475,1495 ----
        // already disabled, but still need it when calling
        // coladvance_force().
        // coladvance_force() uses get_ve_flags() to get the 'virtualedit'
!       // state for the current window.  To override that state, we need to
!       // set the window-local value of ve_flags rather than the global value.
        if (curwin->w_cursor.coladd > 0)
        {
!           int         old_ve_flags = curwin->w_ve_flags;
  
            if (u_save_cursor() == FAIL)
                return;
  
!           curwin->w_ve_flags = VE_ALL;
            coladvance_force(oap->op_type == OP_APPEND
                                           ? oap->end_vcol + 1 : getviscol());
            if (oap->op_type == OP_APPEND)
                --curwin->w_cursor.col;
!           curwin->w_ve_flags = old_ve_flags;
        }
        // Get the info about the block before entering the text
        block_prep(oap, &bd, oap->start.lnum, TRUE);
*** ../vim-8.2.3279/src/option.c        2021-07-29 21:11:26.815533418 +0200
--- src/option.c        2021-08-03 18:27:56.795843540 +0200
***************
*** 5182,5189 ****
            redraw_later(NOT_VALID);
            break;
        case PV_VE:
!           clear_string_option(&buf->b_p_ve);
!           buf->b_ve_flags = 0;
            break;
      }
  }
--- 5182,5189 ----
            redraw_later(NOT_VALID);
            break;
        case PV_VE:
!           clear_string_option(&((win_T *)from)->w_p_ve);
!           ((win_T *)from)->w_ve_flags = 0;
            break;
      }
  }
***************
*** 5244,5250 ****
            case PV_BKC:  return (char_u *)&(curbuf->b_p_bkc);
            case PV_MENC: return (char_u *)&(curbuf->b_p_menc);
            case PV_LCS:  return (char_u *)&(curwin->w_p_lcs);
!           case PV_VE:   return (char_u *)&(curbuf->b_p_ve);
  
        }
        return NULL; // "cannot happen"
--- 5244,5250 ----
            case PV_BKC:  return (char_u *)&(curbuf->b_p_bkc);
            case PV_MENC: return (char_u *)&(curbuf->b_p_menc);
            case PV_LCS:  return (char_u *)&(curwin->w_p_lcs);
!           case PV_VE:   return (char_u *)&(curwin->w_p_ve);
  
        }
        return NULL; // "cannot happen"
***************
*** 5345,5350 ****
--- 5345,5352 ----
        case PV_LIST:   return (char_u *)&(curwin->w_p_list);
        case PV_LCS:    return *curwin->w_p_lcs != NUL
                                    ? (char_u *)&(curwin->w_p_lcs) : p->var;
+       case PV_VE:     return *curwin->w_p_ve != NUL
+                                   ? (char_u *)&(curwin->w_p_ve) : p->var;
  #ifdef FEAT_SPELL
        case PV_SPELL:  return (char_u *)&(curwin->w_p_spell);
  #endif
***************
*** 5512,5519 ****
        case PV_VSTS:   return (char_u *)&(curbuf->b_p_vsts);
        case PV_VTS:    return (char_u *)&(curbuf->b_p_vts);
  #endif
-       case PV_VE:     return *curbuf->b_p_ve != NUL
-                                   ? (char_u *)&(curbuf->b_p_ve) : p->var;
        default:        iemsg(_("E356: get_varp ERROR"));
      }
      // always return a valid pointer to avoid a crash!
--- 5514,5519 ----
***************
*** 5593,5598 ****
--- 5593,5600 ----
      to->wo_lcs = vim_strsave(from->wo_lcs);
      to->wo_nu = from->wo_nu;
      to->wo_rnu = from->wo_rnu;
+     to->wo_ve = vim_strsave(from->wo_ve);
+     to->wo_ve_flags = from->wo_ve_flags;
  #ifdef FEAT_LINEBREAK
      to->wo_nuw = from->wo_nuw;
  #endif
***************
*** 5726,5731 ****
--- 5728,5734 ----
  #endif
      check_string_option(&wop->wo_wcr);
      check_string_option(&wop->wo_lcs);
+     check_string_option(&wop->wo_ve);
  }
  
  /*
***************
*** 5772,5777 ****
--- 5775,5781 ----
      clear_string_option(&wop->wo_tws);
  #endif
      clear_string_option(&wop->wo_lcs);
+     clear_string_option(&wop->wo_ve);
  }
  
  #ifdef FEAT_EVAL
***************
*** 6091,6098 ****
            buf->b_p_lw = empty_option;
  #endif
            buf->b_p_menc = empty_option;
-           buf->b_p_ve = empty_option;
-           buf->b_ve_flags = 0;
  
            /*
             * Don't copy the options set by ex_help(), use the saved values,
--- 6095,6100 ----
***************
*** 7041,7048 ****
      unsigned int
  get_ve_flags(void)
  {
!     return (curbuf->b_ve_flags ? curbuf->b_ve_flags : ve_flags)
!          & ~(VE_NONE | VE_NONEU);
  }
  
  #if defined(FEAT_LINEBREAK) || defined(PROTO)
--- 7043,7050 ----
      unsigned int
  get_ve_flags(void)
  {
!     return (curwin->w_ve_flags ? curwin->w_ve_flags : ve_flags)
!           & ~(VE_NONE | VE_NONEU);
  }
  
  #if defined(FEAT_LINEBREAK) || defined(PROTO)
*** ../vim-8.2.3279/src/option.h        2021-07-26 22:19:05.380122574 +0200
--- src/option.h        2021-08-03 18:26:54.619980553 +0200
***************
*** 1052,1059 ****
  #define VE_INSERT     6       // includes "all"
  #define VE_ALL                4
  #define VE_ONEMORE    8
! #define VE_NONE               16
! #define VE_NONEU      32      // Upper-case NONE
  EXTERN long   p_verbose;      // 'verbose'
  #ifdef IN_OPTION_C
  char_u        *p_vfile = (char_u *)""; // used before options are initialized
--- 1052,1059 ----
  #define VE_INSERT     6       // includes "all"
  #define VE_ALL                4
  #define VE_ONEMORE    8
! #define VE_NONE               16      // "none"
! #define VE_NONEU      32      // "NONE"
  EXTERN long   p_verbose;      // 'verbose'
  #ifdef IN_OPTION_C
  char_u        *p_vfile = (char_u *)""; // used before options are initialized
*** ../vim-8.2.3279/src/optionstr.c     2021-07-26 22:19:05.380122574 +0200
--- src/optionstr.c     2021-08-03 18:22:12.264593431 +0200
***************
*** 298,304 ****
      check_string_option(&buf->b_p_vsts);
      check_string_option(&buf->b_p_vts);
  #endif
-     check_string_option(&buf->b_p_ve);
  }
  
  /*
--- 298,303 ----
***************
*** 2083,2090 ****
  
        if (opt_flags & OPT_LOCAL)
        {
!           ve = curbuf->b_p_ve;
!           flags = &curbuf->b_ve_flags;
        }
  
        if ((opt_flags & OPT_LOCAL) && *ve == NUL)
--- 2082,2089 ----
  
        if (opt_flags & OPT_LOCAL)
        {
!           ve = curwin->w_p_ve;
!           flags = &curwin->w_ve_flags;
        }
  
        if ((opt_flags & OPT_LOCAL) && *ve == NUL)
*** ../vim-8.2.3279/src/structs.h       2021-07-26 22:19:05.380122574 +0200
--- src/structs.h       2021-08-03 18:22:12.264593431 +0200
***************
*** 231,236 ****
--- 231,240 ----
  #define w_p_nu w_onebuf_opt.wo_nu     // 'number'
      int               wo_rnu;
  #define w_p_rnu w_onebuf_opt.wo_rnu   // 'relativenumber'
+     char_u    *wo_ve;
+ #define w_p_ve w_onebuf_opt.wo_ve     // 'virtualedit'
+     unsigned  wo_ve_flags;
+ #define       w_ve_flags w_onebuf_opt.wo_ve_flags     // flags for 
'virtualedit'
  #ifdef FEAT_LINEBREAK
      long      wo_nuw;
  # define w_p_nuw w_onebuf_opt.wo_nuw  // 'numberwidth'
***************
*** 2969,2976 ****
  #ifdef FEAT_TERMINAL
      long      b_p_twsl;       // 'termwinscroll'
  #endif
-     char_u    *b_p_ve;        // 'virtualedit' local value
-     unsigned  b_ve_flags;     // flags for 'virtualedit'
  
      /*
       * end of buffer options
--- 2973,2978 ----
*** ../vim-8.2.3279/src/testdir/test_virtualedit.vim    2021-07-26 
22:19:05.384122565 +0200
--- src/testdir/test_virtualedit.vim    2021-08-03 18:22:12.264593431 +0200
***************
*** 407,413 ****
  let s:result_ve_on  = 'a      x'
  let s:result_ve_off = 'x'
  
! " Utility function for Test_global_local()
  func s:TryVirtualeditReplace()
    call setline(1, 'a')
    normal gg7l
--- 407,413 ----
  let s:result_ve_on  = 'a      x'
  let s:result_ve_off = 'x'
  
! " Utility function for Test_global_local_virtualedit()
  func s:TryVirtualeditReplace()
    call setline(1, 'a')
    normal gg7l
***************
*** 415,421 ****
  endfunc
  
  " Test for :set and :setlocal
! func Test_global_local()
    new
  
    " Verify that 'virtualedit' is initialized to empty, can be set globally to
--- 415,421 ----
  endfunc
  
  " Test for :set and :setlocal
! func Test_global_local_virtualedit()
    new
  
    " Verify that 'virtualedit' is initialized to empty, can be set globally to
***************
*** 435,442 ****
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_off, getline(1))
  
!   " Verify that :set affects multiple buffers
!   new
    set ve=all
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_on, getline(1))
--- 435,442 ----
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_off, getline(1))
  
!   " Verify that :set affects multiple windows.
!   split
    set ve=all
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_on, getline(1))
***************
*** 449,465 ****
    call assert_equal(s:result_ve_off, getline(1))
    bwipe!
  
!   " Verify that :setlocal affects only the current buffer
!   setlocal ve=all
    new
!   call s:TryVirtualeditReplace()
!   call assert_equal(s:result_ve_off, getline(1))
    setlocal ve=all
-   wincmd p
-   setlocal ve=
-   wincmd p
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_on, getline(1))
    bwipe!
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_off, getline(1))
--- 449,463 ----
    call assert_equal(s:result_ve_off, getline(1))
    bwipe!
  
!   " Verify that :setlocal affects only the current window.
    new
!   split
    setlocal ve=all
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_on, getline(1))
+   wincmd p
+   call s:TryVirtualeditReplace()
+   call assert_equal(s:result_ve_off, getline(1))
    bwipe!
    call s:TryVirtualeditReplace()
    call assert_equal(s:result_ve_off, getline(1))
***************
*** 518,523 ****
--- 516,538 ----
  
    bwipe!
  
+   " Verify that the 'virtualedit' state is copied to new windows.
+   new
+   call s:TryVirtualeditReplace()
+   call assert_equal(s:result_ve_off, getline(1))
+   split
+   setlocal ve=all
+   call s:TryVirtualeditReplace()
+   call assert_equal(s:result_ve_on, getline(1))
+   split
+   call s:TryVirtualeditReplace()
+   call assert_equal(s:result_ve_on, getline(1))
+   setlocal ve=
+   split
+   call s:TryVirtualeditReplace()
+   call assert_equal(s:result_ve_off, getline(1))
+   bwipe!
+ 
    setlocal virtualedit&
    set virtualedit&
  endfunc
*** ../vim-8.2.3279/src/version.c       2021-08-02 22:26:52.014701338 +0200
--- src/version.c       2021-08-03 18:30:04.279560878 +0200
***************
*** 757,758 ****
--- 757,760 ----
  {   /* Add new patch number below this line */
+ /**/
+     3280,
  /**/

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