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vim-patch:9.1.0753: Wrong display when typing in diff mode with 'smoothscroll' (#30614)

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Problem:  Wrong display when typing in diff mode with 'smoothscroll'.
Solution: Use adjust_plines_for_skipcol() (zeertzjq).

closes: vim/vim#15776

47f8584a80
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zeertzjq 2024-10-02 06:55:43 +08:00 committed by GitHub
parent 5331f87f61
commit 0e484c2041
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3 changed files with 136 additions and 2 deletions
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6
src/nvim/drawscreen.c
View File

@ -1805,8 +1805,10 @@ static void win_update(win_T *wp)
// Correct the first entry for filler lines at the top
// when it won't get updated below.
if (win_may_fill(wp) && bot_start > 0) {
wp->w_lines[0].wl_size = (uint16_t)(plines_win_nofill(wp, wp->w_topline, true)
+ wp->w_topfill);
int n = plines_win_nofill(wp, wp->w_topline, false) + wp->w_topfill
- adjust_plines_for_skipcol(wp);
n = MIN(n, wp->w_height_inner);
wp->w_lines[0].wl_size = (uint16_t)n;
}
}
}

102
test/functional/legacy/scroll_opt_spec.lua
View File

@ -375,6 +375,108 @@ describe('smoothscroll', function()
screen:expect_unchanged()
end)
-- oldtest: Test_smoothscroll_diff_change_line()
it('works in diff mode when changing line', function()
screen:try_resize(55, 20)
exec([[
set diffopt+=followwrap smoothscroll
call setline(1, repeat(' abc', &columns))
call setline(2, 'bar')
call setline(3, repeat(' abc', &columns))
vnew
call setline(1, repeat(' abc', &columns))
call setline(2, 'foo')
call setline(3, 'bar')
call setline(4, repeat(' abc', &columns))
windo exe "normal! 2gg5\<C-E>"
windo diffthis
]])
screen:expect([[
{1:<<<}bc abc abc abc abc abc a│{1:<<<}bc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{7: }{22:foo }│{7: }{23:-------------------------}|
{7: }bar │{7: }^bar |
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{1:~ }│{1:~ }|*3
{2:[No Name] [+] }{3:[No Name] [+] }|
|
]])
feed('Abar')
screen:expect([[
{1:<<<}bc abc abc abc abc abc a│{1:<<<}bc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{7: }{22:foo }│{7: }{23:-------------------------}|
{7: }bar │{7: }barbar^ |
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{1:~ }│{1:~ }|*3
{2:[No Name] [+] }{3:[No Name] [+] }|
{5:-- INSERT --} |
]])
feed('<Esc>')
screen:expect([[
{1:<<<}bc abc abc abc abc abc a│{1:<<<}bc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{7: }{27:foo}{4: }│{7: }{27:barba^r}{4: }|
{7: }{22:bar }│{7: }{23:-------------------------}|
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{1:~ }│{1:~ }|*3
{2:[No Name] [+] }{3:[No Name] [+] }|
|
]])
feed('yyp')
screen:expect([[
{1:<<<}bc abc abc abc abc abc a│{1:<<<}bc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{7: }{27:foo}{4: }│{7: }{27:barbar}{4: }|
{7: }{4:bar }│{7: }{4:^bar}{27:bar}{4: }|
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc abc │{7: } abc abc abc abc abc abc |
{7: }abc abc abc abc abc abc a│{7: }abc abc abc abc abc abc a|
{7: }bc abc abc abc abc abc ab│{7: }bc abc abc abc abc abc ab|
{7: }c abc abc abc abc abc abc│{7: }c abc abc abc abc abc abc|
{7: } abc abc abc abc abc │{7: } abc abc abc abc abc |
{1:~ }│{1:~ }|*3
{2:[No Name] [+] }{3:[No Name] [+] }|
|
]])
end)
-- oldtest: Test_smoothscroll_wrap_scrolloff_zero()
it("works with zero 'scrolloff'", function()
screen:try_resize(40, 8)

30
test/old/testdir/test_scroll_opt.vim
View File

@ -302,6 +302,36 @@ func Test_smoothscroll_diff_mode()
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_diff_change_line()
CheckScreendump
let lines =<< trim END
set diffopt+=followwrap smoothscroll
call setline(1, repeat(' abc', &columns))
call setline(2, 'bar')
call setline(3, repeat(' abc', &columns))
vnew
call setline(1, repeat(' abc', &columns))
call setline(2, 'foo')
call setline(3, 'bar')
call setline(4, repeat(' abc', &columns))
windo exe "normal! 2gg5\<C-E>"
windo diffthis
END
call writefile(lines, 'XSmoothDiffChangeLine', 'D')
let buf = RunVimInTerminal('-S XSmoothDiffChangeLine', #{rows: 20, columns: 55})
call VerifyScreenDump(buf, 'Test_smooth_diff_change_line_1', {})
call term_sendkeys(buf, "Abar")
call VerifyScreenDump(buf, 'Test_smooth_diff_change_line_2', {})
call term_sendkeys(buf, "\<Esc>")
call VerifyScreenDump(buf, 'Test_smooth_diff_change_line_3', {})
call term_sendkeys(buf, "yyp")
call VerifyScreenDump(buf, 'Test_smooth_diff_change_line_4', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_wrap_scrolloff_zero()
CheckScreendump