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[ruby/reline] Avoid using CSI # S for scroll down

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(https://github.com/ruby/reline/pull/577)

https://github.com/ruby/reline/commit/b67ee4e791
This commit is contained in:
Stan Lo 2023-07-25 10:39:53 +01:00 committed by git
parent cf1f2e9d06
commit 377639053d
1 changed files with 4 additions and 1 deletions
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5
lib/reline/ansi.rb
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@ -335,9 +335,12 @@ class Reline::ANSI
@@output.write "\e[K" @@output.write "\e[K"
end end
# This only works when the cursor is at the bottom of the scroll range
# For more details, see https://github.com/ruby/reline/pull/577#issuecomment-1646679623
def self.scroll_down(x) def self.scroll_down(x)
return if x.zero? return if x.zero?
@@output.write "\e[#{x}S" # We use `\n` instead of CSI + S because CSI + S would cause https://github.com/ruby/reline/issues/576
@@output.write "\n" * x
end end
def self.clear_screen def self.clear_screen