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[ruby/irb] Display doc dialog in gaps on narrow screen

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https://github.com/ruby/irb/commit/4d7cefcaa4
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aycabta 2021-10-08 03:43:21 +09:00 • committed by git
parent 36bf378363
commit 5c02df8296
1 changed files with 23 additions and 2 deletions
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25
lib/irb/input-method.rb
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@ -366,14 +366,35 @@ module IRB
end end
return nil if doc.nil? return nil if doc.nil?
width = 40 width = 40
x = cursor_pos_to_render.x + autocomplete_dialog.width
if x + width > screen_width
old_width = screen_width - (x + 0)
new_x = autocomplete_dialog.column - width
new_x = 0 if new_x < 0
new_width = width > autocomplete_dialog.column ? autocomplete_dialog.column : width
if old_width.positive? and new_width.positive?
if old_width >= new_width
width = old_width
else
width = new_width
x = new_x
end
elsif old_width.positive? and new_width.negative?
width = old_width
elsif old_width.negative? and new_width.positive?
width = new_width
x = new_x
else # Both are negative width.
return nil
end
end
formatter = RDoc::Markup::ToAnsi.new formatter = RDoc::Markup::ToAnsi.new
formatter.width = width formatter.width = width
dialog.trap_key = alt_d dialog.trap_key = alt_d
message = 'Press Alt+d to read the full document' message = 'Press Alt+d to read the full document'
contents = [message] + doc.accept(formatter).split("\n") contents = [message] + doc.accept(formatter).split("\n")
x = cursor_pos_to_render.x + autocomplete_dialog.width
x = autocomplete_dialog.column - width if x + width >= screen_width
y = cursor_pos_to_render.y y = cursor_pos_to_render.y
DialogRenderInfo.new(pos: Reline::CursorPos.new(x, y), contents: contents, width: width, bg_color: '49') DialogRenderInfo.new(pos: Reline::CursorPos.new(x, y), contents: contents, width: width, bg_color: '49')
} }