Patch 9.0.0707
Problem:    With 'smoothscroll' and 'scrolloff' non-zero the cursor position
            is not properly adjusted in a long line.
Solution:   Move the cursor further up or down in the line.
Files:      src/move.c, src/testdir/test_scroll_opt.vim,
            src/testdir/dumps/Test_smooth_long_6.dump,
            src/testdir/dumps/Test_smooth_long_7.dump,
            src/testdir/dumps/Test_smooth_long_8.dump,
            src/testdir/dumps/Test_smooth_long_9.dump


*** ../vim-9.0.0706/src/move.c  2022-10-08 21:13:16.632848892 +0100
--- src/move.c  2022-10-09 17:18:41.285545381 +0100
***************
*** 1605,1613 ****
  
      if (curwin->w_cursor.lnum == curwin->w_topline && do_sms)
      {
        // make sure the cursor is in the visible text
        validate_virtcol();
!       int col = curwin->w_virtcol - curwin->w_skipcol;
        int row = 0;
        if (col >= width1)
        {
--- 1605,1616 ----
  
      if (curwin->w_cursor.lnum == curwin->w_topline && do_sms)
      {
+       long    so = curwin->w_p_so >= 0 ? curwin->w_p_so : p_so;
+       int     scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2;
+ 
        // make sure the cursor is in the visible text
        validate_virtcol();
!       int col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols;
        int row = 0;
        if (col >= width1)
        {
***************
*** 1620,1627 ****
            col = col % width2;
        }
        if (row >= curwin->w_height)
!           coladvance(curwin->w_virtcol
!                                     - (row - curwin->w_height + 1) * width2);
      }
  }
  
--- 1623,1633 ----
            col = col % width2;
        }
        if (row >= curwin->w_height)
!       {
!           curwin->w_curswant = curwin->w_virtcol
!                                      - (row - curwin->w_height + 1) * width2;
!           coladvance(curwin->w_curswant);
!       }
      }
  }
  
***************
*** 1748,1766 ****
      if (curwin->w_cursor.lnum == curwin->w_topline
                                            && do_sms && curwin->w_skipcol > 0)
      {
!       // make sure the cursor is in a visible part of the line
        validate_virtcol();
!       if (curwin->w_virtcol < curwin->w_skipcol + 3)
        {
-           int     width1 = curwin->w_width - curwin_col_off();
-           int     width2 = width1 + curwin_col_off2();
            colnr_T col = curwin->w_virtcol;
  
            if (col < width1)
                col += width1;
!           while (col < curwin->w_skipcol + 3)
                col += width2;
!           coladvance(col);
        }
      }
  }
--- 1754,1777 ----
      if (curwin->w_cursor.lnum == curwin->w_topline
                                            && do_sms && curwin->w_skipcol > 0)
      {
!       int     width1 = curwin->w_width - curwin_col_off();
!       int     width2 = width1 + curwin_col_off2();
!       long    so = curwin->w_p_so >= 0 ? curwin->w_p_so : p_so;
!       int     scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2;
! 
!       // Make sure the cursor is in a visible part of the line, taking
!       // 'scrolloff' into account, but using screen lines.
        validate_virtcol();
!       if (curwin->w_virtcol < curwin->w_skipcol + 3 + scrolloff_cols)
        {
            colnr_T col = curwin->w_virtcol;
  
            if (col < width1)
                col += width1;
!           while (col < curwin->w_skipcol + 3 + scrolloff_cols)
                col += width2;
!           curwin->w_curswant = col;
!           coladvance(curwin->w_curswant);
        }
      }
  }
*** ../vim-9.0.0706/src/testdir/test_scroll_opt.vim     2022-10-08 
21:13:16.632848892 +0100
--- src/testdir/test_scroll_opt.vim     2022-10-09 17:15:07.562475309 +0100
***************
*** 223,228 ****
--- 223,250 ----
    call term_sendkeys(buf, "\<C-Y>")
    call VerifyScreenDump(buf, 'Test_smooth_long_5', {})
  
+   " 'scrolloff' set to 1, scrolling up, cursor moves screen line down
+   call term_sendkeys(buf, ":set scrolloff=1\<CR>")
+   call term_sendkeys(buf, "10|\<C-E>")
+   call VerifyScreenDump(buf, 'Test_smooth_long_6', {})
+   
+   " 'scrolloff' set to 1, scrolling down, cursor moves screen line up
+   call term_sendkeys(buf, "\<C-E>")
+   call term_sendkeys(buf, "gjgj")
+   call term_sendkeys(buf, "\<C-Y>")
+   call VerifyScreenDump(buf, 'Test_smooth_long_7', {})
+   
+   " 'scrolloff' set to 2, scrolling up, cursor moves screen line down
+   call term_sendkeys(buf, ":set scrolloff=2\<CR>")
+   call term_sendkeys(buf, "10|\<C-E>")
+   call VerifyScreenDump(buf, 'Test_smooth_long_8', {})
+   
+   " 'scrolloff' set to 2, scrolling down, cursor moves screen line up
+   call term_sendkeys(buf, "\<C-E>")
+   call term_sendkeys(buf, "gj")
+   call term_sendkeys(buf, "\<C-Y>")
+   call VerifyScreenDump(buf, 'Test_smooth_long_9', {})
+   
    call StopVimInTerminal(buf)
  endfunc
  
*** ../vim-9.0.0706/src/testdir/dumps/Test_smooth_long_6.dump   2022-10-09 
17:16:18.394153041 +0100
--- src/testdir/dumps/Test_smooth_long_6.dump   2022-10-09 17:12:07.931372850 
+0100
***************
*** 0 ****
--- 1,6 ----
+ |<+0#4040ff13#ffffff0@2|t+0#0000000&|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| 
|l|o|t|s| |o|f| |t|e|x|t| |w|i|t
+ |h| |l|o|t|s| |o|f> |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| 
|l|o
+ |t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| 
|o
+ |f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| 
|t|e
+ |x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| 
|w
+ | @21|3|,|9|0| @9|B|o|t| 
*** ../vim-9.0.0706/src/testdir/dumps/Test_smooth_long_7.dump   2022-10-09 
17:16:18.398153024 +0100
--- src/testdir/dumps/Test_smooth_long_7.dump   2022-10-09 17:12:11.371354390 
+0100
***************
*** 0 ****
--- 1,6 ----
+ |<+0#4040ff13#ffffff0@2|t+0#0000000&|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| 
|l|o|t|s| |o|f| |t|e|x|t| |w|i|t
+ |h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| 
|l|o
+ |t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| 
|o
+ |f| |t|e|x|t| |w|i>t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| 
|t|e
+ |x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| 
|w
+ | @21|3|,|1|7|0| @8|B|o|t| 
*** ../vim-9.0.0706/src/testdir/dumps/Test_smooth_long_8.dump   2022-10-09 
17:16:18.406152988 +0100
--- src/testdir/dumps/Test_smooth_long_8.dump   2022-10-09 17:15:12.534452177 
+0100
***************
*** 0 ****
--- 1,6 ----
+ |<+0#4040ff13#ffffff0@2|t+0#0000000&|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| 
|l|o|t|s| |o|f| |t|e|x|t| |w|i|t
+ |h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| 
|l|o
+ |t|s| |o|f| |t|e|x>t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| 
|o
+ |f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| 
|t|e
+ |x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| 
|w
+ | @21|3|,|1|3|0| @8|B|o|t| 
*** ../vim-9.0.0706/src/testdir/dumps/Test_smooth_long_9.dump   2022-10-09 
17:16:18.410152971 +0100
--- src/testdir/dumps/Test_smooth_long_9.dump   2022-10-09 17:15:13.682446847 
+0100
***************
*** 0 ****
--- 1,6 ----
+ |<+0#4040ff13#ffffff0@2|o+0#0000000&|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| 
|o|f| |t|e|x|t| |w|i|t|h| |l|o
+ |t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| 
|o
+ |f| |t|e|x|t| |w|i>t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| 
|t|e
+ |x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| 
|w
+ |i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| 
|w|i|t|h| 
+ @22|3|,|1|7|0| @8|B|o|t| 
*** ../vim-9.0.0706/src/version.c       2022-10-09 15:54:49.607956591 +0100
--- src/version.c       2022-10-09 17:16:25.090123365 +0100
***************
*** 701,702 ****
--- 701,704 ----
  {   /* Add new patch number below this line */
+ /**/
+     707,
  /**/

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