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feat(api): evaluate statusline string #16020

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Adds API function `nvim_eval_statusline` to allow evaluating a
statusline string and obtaining information regarding it.

Closes https://github.com/neovim/neovim/issues/15849
This commit is contained in:
Famiu Haque
2021-10-19 01:44:17 +06:00
committed by GitHub
parent e7ea54a3df
commit 9086938f7b
5 changed files with 258 additions and 1 deletions
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75
test/functional/api/vim_spec.lua
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@@ -2367,4 +2367,79 @@ describe('API', function()
eq({2, 2, buf.id, mark[4]}, mark)
end)
end)
describe('nvim_eval_statusline', function()
it('works', function()
eq({
str = '%StatusLineStringWithHighlights',
width = 31
},
meths.eval_statusline(
'%%StatusLineString%#WarningMsg#WithHighlights',
{}))
end)
it('doesn\'t exceed maxwidth', function()
eq({
str = 'Should be trun>',
width = 15
},
meths.eval_statusline(
'Should be truncated%<',
{ maxwidth = 15 }))
end)
describe('highlight parsing', function()
it('works', function()
eq({
str = "TextWithWarningHighlightTextWithUserHighlight",
width = 45,
highlights = {
{ start = 0, group = 'WarningMsg' },
{ start = 24, group = 'User1' }
},
},
meths.eval_statusline(
'%#WarningMsg#TextWithWarningHighlight%1*TextWithUserHighlight',
{ highlights = true }))
end)
it('works with no highlight', function()
eq({
str = "TextWithNoHighlight",
width = 19,
highlights = {
{ start = 0, group = 'StatusLine' },
},
},
meths.eval_statusline(
'TextWithNoHighlight',
{ highlights = true }))
end)
it('works with inactive statusline', function()
command('split')
eq({
str = 'TextWithNoHighlightTextWithWarningHighlight',
width = 43,
highlights = {
{ start = 0, group = 'StatusLineNC' },
{ start = 19, group = 'WarningMsg' }
}
},
meths.eval_statusline(
'TextWithNoHighlight%#WarningMsg#TextWithWarningHighlight',
{ winid = meths.list_wins()[2].id, highlights = true }))
end)
it('works with tabline', function()
eq({
str = 'TextWithNoHighlightTextWithWarningHighlight',
width = 43,
highlights = {
{ start = 0, group = 'TabLineFill' },
{ start = 19, group = 'WarningMsg' }
}
},
meths.eval_statusline(
'TextWithNoHighlight%#WarningMsg#TextWithWarningHighlight',
{ use_tabline = true, highlights = true }))
end)
end)
end)
end)