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[ruby/reline] Show all lines higher than the screen when finished

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On Unix-like OSes, logs prior to the screen are not editable. When the code
is higher than the screen, the code is only shown on the screen until input
is finished, but when it is finished, all lines are outputted.

8cd9132a39
This commit is contained in:
aycabta 2021-01-31 13:45:21 +09:00
parent 03523fdafb
commit bd0f8b36fd
1 changed files with 13 additions and 0 deletions
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13
lib/reline/line_editor.rb
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@ -388,6 +388,19 @@ class Reline::LineEditor
@cleared = false
return
end
if @is_multiline and finished? and @scroll_partial_screen
# Re-output all code higher than the screen when finished.
Reline::IOGate.move_cursor_up(@first_line_started_from + @started_from - @scroll_partial_screen)
Reline::IOGate.move_cursor_column(0)
@scroll_partial_screen = nil
prompt, prompt_width, prompt_list = check_multiline_prompt(whole_lines, prompt)
modify_lines(whole_lines).each_with_index do |line, index|
@output.write "#{prompt_list ? prompt_list[index] : prompt}#{line}\n"
Reline::IOGate.erase_after_cursor
end
@output.flush
return
end
new_highest_in_this = calculate_height_by_width(prompt_width + calculate_width(@line.nil? ? '' : @line))
# FIXME: end of logical line sometimes breaks
rendered = false