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Use Curses.getch to support mouse (WIP)

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This commit is contained in:
Junegunn Choi 2014-01-28 02:58:20 +09:00
parent 3723829b0a
commit 773d9976a0
1 changed files with 66 additions and 35 deletions
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101
fzf
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@ -40,6 +40,14 @@ require 'thread'
require 'curses'
require 'set'
unless String.method_defined? :force_encoding
class String
def force_encoding *arg
self
end
end
end
class FZF
C = Curses
attr_reader :rxflag, :sort, :color, :multi, :query, :extended
@ -110,7 +118,7 @@ class FZF
end
end
@source = source
@source = source.clone
@mtx = Mutex.new
@cv = ConditionVariable.new
@events = {}
@ -463,6 +471,8 @@ class FZF
def init_screen
C.init_screen
C.mousemask C::BUTTON1_CLICKED | C::BUTTON2_CLICKED
C.stdscr.keypad(true)
C.start_color
dbg =
if C.respond_to?(:use_default_colors)
@ -684,6 +694,7 @@ class FZF
got = nil
begin
tty = IO.open(IO.sysopen('/dev/tty'), 'r')
$stdin.reopen(tty)
input = @query.get.dup
cursor = input.length
backword = proc {
@ -706,8 +717,8 @@ class FZF
backword.call
input = input[0...cursor] + input[pcursor..-1]
},
127 => proc { input[cursor -= 1] = '' if cursor > 0 },
9 => proc { |o|
ctrl(:h) => proc { input[cursor -= 1] = '' if cursor > 0 },
ctrl(:i) => proc { |o|
if @multi && sel = pick
if @selects.has_key? sel
@selects.delete sel
@ -716,57 +727,77 @@ class FZF
end
@vcursor.set { |v|
@vcursors << v
v + (o == :stab ? 1 : -1)
v + (o == C::KEY_BTAB ? 1 : -1)
}
update_list false
end
},
:left => proc { cursor = [0, cursor - 1].max; nil },
:right => proc { cursor = [input.length, cursor + 1].min; nil },
ctrl(:b) => proc { cursor = [0, cursor - 1].max; nil },
ctrl(:f) => proc { cursor = [input.length, cursor + 1].min; nil },
:alt_b => proc { backword.call; nil },
:alt_f => proc {
cursor += (input[cursor..-1].index(/(\S\s)|(.$)/) || -1) + 1
nil
},
}
actions[ctrl(:b)] = actions[:left]
actions[ctrl(:f)] = actions[:right]
actions[ctrl(:h)] = actions[127]
actions[ctrl(:n)] = actions[ctrl(:j)]
actions[ctrl(:p)] = actions[ctrl(:k)]
actions[ctrl(:q)] = actions[ctrl(:g)] = actions[ctrl(:c)] = actions[:esc]
actions[:stab] = actions[9]
actions[C::KEY_LEFT] = actions[ctrl(:b)]
actions[C::KEY_RIGHT] = actions[ctrl(:f)]
actions[127] = actions[ctrl(:h)]
actions[C::KEY_DOWN] = actions[ctrl(:n)] = actions[ctrl(:j)]
actions[C::KEY_UP] = actions[ctrl(:p)] = actions[ctrl(:k)]
actions[ctrl(:q)] = actions[ctrl(:g)] = actions[ctrl(:c)] = actions[:esc]
actions[C::KEY_BTAB] = actions[ctrl(:i)]
emit(:key) { [@query.get, cursor] } unless @query.empty?
while true
@cursor_x.set cursor
render { print_input }
ord = tty.getc.ord
ord =
case ord = (tty.read_nonblock(1).ord rescue :esc)
when 91
case (tty.read_nonblock(1).ord rescue nil)
when 68 then :left
when 67 then :right
when 66 then ctrl(:j)
when 65 then ctrl(:k)
when 90 then :stab
else next
end
when 'b'.ord then :alt_b
when 'f'.ord then :alt_f
when :esc then :esc
else next
end if ord == 27
C.stdscr.timeout = -1
ch = C.getch
upd = actions.fetch(ord, proc { |ord|
char = [ord].pack('U*')
if char =~ /[[:print:]]/
input.insert cursor, char
case ch
when C::KEY_MOUSE
if m = C.getmouse
# TODO: unicode
p m.bstate
end
when 27
C.stdscr.timeout = 0
ch =
case ch2 = C.getch
when 'b' then :alt_b
when 'f' then :alt_f
when nil then :esc
else
ch2
end
when Fixnum
bytes = 1
if (ch >> 7) == 1
6.downto(2) do |shift|
if (ch >> shift) & 0x1 == 0
break
end
bytes += 1
end
end
if bytes > 1
chs = [ch]
(bytes - 1).times do
chs << C.getch
end
# TODO: ruby 1.8
ch = chs.pack('C*').force_encoding('UTF-8')
end
end
upd = actions.fetch(ch, proc { |chr|
if chr =~ /[[:print:]]/
input.insert cursor, chr
cursor += 1
end
}).call(ord)
}).call(ch)
# Dispatch key event
emit(:key) { [@query.set(input.dup), cursor] } if upd