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feat(sign):Allow signs to be 0 width (#13290)

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Adds support for signs to be 0 cells wide. If all signs of the same
group have no width, the signcolumn will not be rendered for that group.
This commit is contained in:
Lukas Reineke
2020-12-25 01:33:52 +09:00
committed by GitHub
parent 6c28bddfad
commit 88ae03bcdb
5 changed files with 133 additions and 31 deletions
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66
test/functional/ui/sign_spec.lua
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@@ -76,6 +76,28 @@ describe('Signs', function()
]])
end)
it('allows signs with no text', function()
feed('ia<cr>b<cr><esc>')
command('sign define piet1 text= texthl=Search')
command('sign place 1 line=1 name=piet1 buffer=1')
screen:expect([[
a |
b |
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
|
]])
end)
it('can be called right after :split', function()
feed('ia<cr>b<cr>c<cr><esc>gg')
-- This used to cause a crash due to :sign using a special redraw
@@ -244,6 +266,50 @@ describe('Signs', function()
]]}
end)
it('ignores signs with no icon and text when calculting the signcolumn width', function()
feed('ia<cr>b<cr>c<cr><esc>')
command('set number')
command('set signcolumn=auto:2')
command('sign define pietSearch text=>> texthl=Search')
command('sign define pietError text= texthl=Error')
command('sign place 2 line=1 name=pietError buffer=1')
-- no signcolumn with only empty sign
screen:expect([[
{6: 1 }a |
{6: 2 }b |
{6: 3 }c |
{6: 4 }^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
|
]])
-- single column with 1 sign with text and one sign without
command('sign place 1 line=1 name=pietSearch buffer=1')
screen:expect([[
{1:>>}{6: 1 }a |
{2: }{6: 2 }b |
{2: }{6: 3 }c |
{2: }{6: ^4 } |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
|
]])
end)
it('can have 32bit sign IDs', function()
command('sign define piet text=>> texthl=Search')
command('sign place 100000 line=1 name=piet buffer=1')