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foldcolumn: support "auto" (#13571)

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"set foldcolumn=auto" is documented but not supported.
Support it by making it behave as "auto:1", similar to "signcolumn".

Close https://github.com/neovim/neovim/pull/13561
This commit is contained in:
Jan Edmund Lazo
2020-12-20 15:20:42 -05:00
committed by GitHub
parent abcbc5a9f3
commit b1711e6f92
4 changed files with 76 additions and 5 deletions
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70
test/functional/ui/fold_spec.lua
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@@ -886,6 +886,41 @@ describe("folded lines", function()
|
]])
end
command("set foldcolumn=auto")
if multigrid then
screen:expect{grid=[[
## grid 1
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[3:---------------------------------------------]|
## grid 2
{7:+}{5:^+-- 2 lines: line 1························}|
{7: }line 3 |
{7: }line 4 |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
## grid 3
|
]], unchanged=true}
else
screen:expect{grid=[[
{7:+}{5:^+-- 2 lines: line 1························}|
{7: }line 3 |
{7: }line 4 |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]], unchanged=true}
end
-- fdc should not change with a new fold as the maximum is 1
feed("zf3j")
@@ -924,6 +959,41 @@ describe("folded lines", function()
]])
end
command("set foldcolumn=auto:1")
if multigrid then screen:expect{grid=[[
## grid 1
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[2:---------------------------------------------]|
[3:---------------------------------------------]|
## grid 2
{7:+}{5:^+-- 4 lines: line 1························}|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
## grid 3
|
]], unchanged=true}
else
screen:expect{grid=[[
{7:+}{5:^+-- 4 lines: line 1························}|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]], unchanged=true}
end
-- relax the maximum fdc thus fdc should expand to
-- accomodate the current number of folds
command("set foldcolumn=auto:4")