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vim-patch:9.0.1603: display wrong if scrolling multiple lines with 'smoothscroll'

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Problem:    Display wrong when scrolling multiple lines with 'smoothscroll'
            set.
Solution:   Redraw when w_skipcol changed. (closes vim/vim#12477, closes vim/vim#12468)

3c80227760
This commit is contained in:
zeertzjq
2023-06-06 06:26:13 +08:00
parent c1ee187f82
commit 9978a9996d
3 changed files with 69 additions and 3 deletions
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42
test/functional/legacy/scroll_opt_spec.lua
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@@ -865,6 +865,48 @@ describe('smoothscroll', function()
]])
end)
-- oldtest: Test_smoothscroll_multi_skipcol()
it('scrolling mulitple lines and stopping at non-zero skipcol', function()
screen:try_resize(40, 10)
screen:set_default_attr_ids({
[0] = {foreground = Screen.colors.Blue, bold = true},
[1] = {background = Screen.colors.Grey90},
})
exec([[
setlocal cursorline scrolloff=0 smoothscroll
call setline(1, repeat([''], 9))
call setline(3, repeat('a', 50))
call setline(8, 'bbb')
call setline(9, 'ccc')
redraw
]])
screen:expect([[
{1:^ }|
|
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
aaaaaaaaaa |
|
|
|
|
bbb |
|
]])
feed('3<C-E>')
screen:expect([[
{0:<<<}{1:aaaaaa^a }|
|
|
|
|
bbb |
ccc |
{0:~ }|
{0:~ }|
|
]])
end)
it("works with virt_lines above and below", function()
screen:try_resize(55, 7)
exec([=[