Sha256: 2d05234f03a41bb6b18525c2f75afc6d775cb72bf6c0e878c69657b61029d9ab
Contents?: true
Size: 1.77 KB
Versions: 14
Compression:
Stored size: 1.77 KB
Contents
require 'term/ansicolor'
class Hackmac::SearchUI
include Term::ANSIColor
def initialize(
match:,
query:,
found:,
output: STDOUT,
prompt: 'Search? %s'
)
@match = match
@query = query
@found = found
@output = output
@prompt = prompt
@selector = 0
@max_selector = nil
@answer = ''
end
def start
@output.print reset
@matches = @match.(@answer)
@selector = [ 0, [ @selector, @matches.size - 1 ].min ].max
result = @query.(@answer, @matches, @selector)
@output.print clear_screen
@output.print move_home { ?\n + result }
loop do
@output.print move_home { @prompt % @answer }
case getc
when true
@output.print clear_screen, move_home, reset
if result = @found.(@answer, @matches, @selector)
return result
else
return nil
end
when false
return nil
end
@matches = @match.(@answer)
@selector = [ 0, [ @selector, @matches.size - 1 ].min ].max
result = @query.(@answer, @matches, @selector)
@output.print clear_screen
@output.print move_home { ?\n + result }
end
end
private
def getc
system 'stty raw -echo'
c = STDIN.getc
system 'stty cooked echo'
case c
when "\x03"
false
when "\e"
STDIN.getc == ?[ or return nil
STDIN.getc =~ /\A([AB])\z/ or return nil
if $1 == ?A
@selector -= 1
else
@selector += 1
end
nil
when ?\r
true
when "\x7f"
@selector = 0
@answer.chop!
nil
when "\v"
@selector = 0
@answer.clear
nil
when /\A[\x00-\x1f]\z/
nil
else
@selector = 0
@answer << c
nil
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems