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Support SIGWINCH

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This commit is contained in:
aycabta 2019-08-29 14:36:45 +09:00
parent 682aaf6af5
commit 0f405541bf
2 changed files with 10 additions and 0 deletions
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6
lib/reline/ansi.rb
View file

@ -106,6 +106,11 @@ class Reline::ANSI
print "\e[1;1H"
end
@@old_winch_handler = nil
def self.set_winch_handler(&handler)
@@old_winch_handler = Signal.trap('WINCH', &handler)
end
def self.prep
int_handle = Signal.trap('INT', 'IGNORE')
otio = `stty -g`.chomp
@ -123,5 +128,6 @@ class Reline::ANSI
int_handle = Signal.trap('INT', 'IGNORE')
`stty #{otio}`
Signal.trap('INT', int_handle)
Signal.trap('WINCH', @@old_winch_handler) if @@old_winch_handler
end
end

4
lib/reline/line_editor.rb
View file

@ -69,6 +69,10 @@ class Reline::LineEditor
Reline::IOGate.move_cursor_column(0)
@old_trap.call if @old_trap.respond_to?(:call) # can also be string, ex: "DEFAULT"
}
Reline::IOGate.set_winch_handler do
@rest_height = (Reline::IOGate.get_screen_size.first - 1) - Reline::IOGate.cursor_pos.y
@screen_size = Reline::IOGate.get_screen_size
end
end
def finalize