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feat(extmark): virt_lines_overflow "wrap" and "auto"

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Problem: Extmark has support for horizontal scrolling and truncating, but not wrapping.

Solution: Extend virt_lines_overflow flags to support "wrap" and "auto" based on proposed changes in #18282.
This commit is contained in:
jreidx
2026-06-02 18:05:51 -04:00
committed by zeertzjq
parent bb93ad2258
commit d9aa06eed8
11 changed files with 473 additions and 25 deletions
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44
test/functional/api/extmark_spec.lua
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@@ -1738,6 +1738,50 @@ describe('API/extmarks', function()
},
}, get_extmark_by_id(ns, marks[3], { details = true }))
-- verify 'wrap' is returned through get_extmark_by_id to validate flag comparison
set_extmark(ns, marks[4], 0, 0, {
priority = 0,
ui_watched = true,
virt_lines = { { { '', 'Macro' }, { '' }, { '', '' } } },
virt_lines_overflow = 'wrap',
})
eq({
0,
0,
{
ns_id = ns,
right_gravity = true,
ui_watched = true,
priority = 0,
virt_lines = { { { '', 'Macro' }, { '' }, { '', '' } } },
virt_lines_above = false,
virt_lines_leftcol = false,
virt_lines_overflow = 'wrap',
},
}, get_extmark_by_id(ns, marks[4], { details = true }))
-- verify 'auto' is returned through get_extmark_by_id to validate flag comparison
set_extmark(ns, marks[5], 0, 0, {
priority = 0,
ui_watched = true,
virt_lines = { { { '', 'Macro' }, { '' }, { '', '' } } },
virt_lines_overflow = 'auto',
})
eq({
0,
0,
{
ns_id = ns,
right_gravity = true,
ui_watched = true,
priority = 0,
virt_lines = { { { '', 'Macro' }, { '' }, { '', '' } } },
virt_lines_above = false,
virt_lines_leftcol = false,
virt_lines_overflow = 'auto',
},
}, get_extmark_by_id(ns, marks[5], { details = true }))
set_extmark(ns, marks[4], 0, 0, { cursorline_hl_group = 'Statement' })
eq({
0,