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patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero

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Problem:    Cursor line only partly shows with 'smoothscroll' and 'scrolloff'
            zero.
Solution:   Do not use 'smoothscroll' when adjusting the bottom of the window.
            (closes #11269)
This commit is contained in:
Bram Moolenaar
2022-10-06 14:57:53 +01:00
parent 1a58e1d97c
commit 9bab7a0243
7 changed files with 69 additions and 0 deletions
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10
src/move.c
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@ -2171,6 +2171,7 @@ scroll_cursor_bot(int min_scroll, int set_topbot)
{
int used;
int scrolled = 0;
int min_scrolled = 1;
int extra = 0;
int i;
linenr_T line_count;
@ -2236,6 +2237,10 @@ scroll_cursor_bot(int min_scroll, int set_topbot)
scrolled = used;
if (cln == curwin->w_botline)
scrolled -= curwin->w_empty_rows;
min_scrolled = scrolled;
if (cln > curwin->w_botline && curwin->w_p_sms && curwin->w_p_wrap)
for (linenr_T lnum = curwin->w_botline + 1; lnum <= cln; ++lnum)
min_scrolled += plines_nofill(lnum);
}
/*
@ -2361,7 +2366,12 @@ scroll_cursor_bot(int min_scroll, int set_topbot)
if (line_count >= curwin->w_height && line_count > min_scroll)
scroll_cursor_halfway(FALSE);
else
{
// With 'smoothscroll' scroll at least the height of the cursor line.
if (curwin->w_p_wrap && curwin->w_p_sms && line_count < min_scrolled)
line_count = min_scrolled;
scrollup(line_count, TRUE);
}
/*
* If topline didn't change we need to restore w_botline and w_empty_rows

8
src/testdir/dumps/Test_smooth_wrap_1.dump Normal file
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@ -0,0 +1,8 @@
|<+0#4040ff13#ffffff0@2|h+0#0000000&| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
|L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
>L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
@22|3|,|1| @10|T|o|p|

8
src/testdir/dumps/Test_smooth_wrap_2.dump Normal file
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@ -0,0 +1,8 @@
|<+0#4040ff13#ffffff0@2|h+0#0000000&| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
|L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
>L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
@22|4|,|1| @10|2|5|%|

8
src/testdir/dumps/Test_smooth_wrap_3.dump Normal file
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@ -0,0 +1,8 @@
|<+0#4040ff13#ffffff0@2|h+0#0000000&| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
|L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
>L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
@22|5|,|1| @10|5|0|%|

8
src/testdir/dumps/Test_smooth_wrap_4.dump Normal file
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@ -0,0 +1,8 @@
|<+0#4040ff13#ffffff0@2|h+0#0000000&| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
|L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
>L|i|n|e| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h|
|s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t|
|w|i|t|h| |s|o|m|e| |t|e|x|t| |w|i|t|h| |s|o|m|e| |t|e|x|t| @10
@22|7|,|1| @10|B|o|t|

25
src/testdir/test_scroll_opt.vim
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@ -167,6 +167,31 @@ func Test_smoothscroll_diff_mode()
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_wrap_scrolloff_zero()
CheckScreendump
let lines =<< trim END
vim9script
setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(7))
set smoothscroll scrolloff=0
:3
END
call writefile(lines, 'XSmoothWrap', 'D')
let buf = RunVimInTerminal('-S XSmoothWrap', #{rows: 8, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_wrap_1', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_smooth_wrap_2', {})
call term_sendkeys(buf, "\<C-E>j")
call VerifyScreenDump(buf, 'Test_smooth_wrap_3', {})
call term_sendkeys(buf, "G")
call VerifyScreenDump(buf, 'Test_smooth_wrap_4', {})
call StopVimInTerminal(buf)
endfunc
" vim: shiftwidth=2 sts=2 expandtab

2
src/version.c
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@ -699,6 +699,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
672,
/**/
671,
/**/