Llewellyn/fzf
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Implement ALT-B / ALT-F

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Junegunn Choi 2013-11-17 01:19:16 +09:00
parent 419bc17c0c
commit 93dafff424
2 changed files with 29 additions and 15 deletions
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1
README.md
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@ -111,6 +111,7 @@ The following readline key bindings should also work as expected.
- CTRL-A / CTRL-E - CTRL-A / CTRL-E
- CTRL-B / CTRL-F - CTRL-B / CTRL-F
- CTRL-W / CTRL-U - CTRL-W / CTRL-U
- ALT-B / ALT-F
If you enable multi-select mode with `-m` option, you can select multiple items If you enable multi-select mode with `-m` option, you can select multiple items
with TAB or Shift-TAB key. with TAB or Shift-TAB key.

43
fzf
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@ -10,7 +10,7 @@
# URL: https://github.com/junegunn/fzf # URL: https://github.com/junegunn/fzf
# Author: Junegunn Choi # Author: Junegunn Choi
# License: MIT # License: MIT
# Last update: November 16, 2013 # Last update: November 17, 2013
# #
# Copyright (c) 2013 Junegunn Choi # Copyright (c) 2013 Junegunn Choi
# #
@ -631,6 +631,9 @@ class FZF
tty = IO.open(IO.sysopen('/dev/tty'), 'r') tty = IO.open(IO.sysopen('/dev/tty'), 'r')
input = '' input = ''
cursor = 0 cursor = 0
backword = proc {
cursor = (input[0, cursor].rindex(/\s\S/) || -1) + 1
}
actions = { actions = {
:nop => proc { nil }, :nop => proc { nil },
ctrl(:c) => proc { exit 1 }, ctrl(:c) => proc { exit 1 },
@ -645,9 +648,9 @@ class FZF
ctrl(:j) => proc { @vcursor.set { |v| @vcursors << v; v - 1 }; update_list false }, ctrl(:j) => proc { @vcursor.set { |v| @vcursors << v; v - 1 }; update_list false },
ctrl(:k) => proc { @vcursor.set { |v| @vcursors << v; v + 1 }; update_list false }, ctrl(:k) => proc { @vcursor.set { |v| @vcursors << v; v + 1 }; update_list false },
ctrl(:w) => proc { ctrl(:w) => proc {
ridx = (input[0...cursor - 1].rindex(/\S\s/) || -2) + 2 pcursor = cursor
input = input[0...ridx] + input[cursor..-1] backword.call
cursor = ridx input = input[0...cursor] + input[pcursor..-1]
}, },
127 => proc { input[cursor -= 1] = '' if cursor > 0 }, 127 => proc { input[cursor -= 1] = '' if cursor > 0 },
9 => proc { |o| 9 => proc { |o|
@ -666,6 +669,11 @@ class FZF
}, },
:left => proc { cursor = [0, cursor - 1].max; nil }, :left => proc { cursor = [0, cursor - 1].max; nil },
:right => proc { cursor = [input.length, cursor + 1].min; nil }, :right => 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(:b)] = actions[:left]
actions[ctrl(:f)] = actions[:right] actions[ctrl(:f)] = actions[:right]
@ -679,19 +687,24 @@ class FZF
render { print_input } render { print_input }
ord = tty.getc.ord ord = tty.getc.ord
if ord == 27 ord =
case ord = tty.getc.ord case ord = tty.getc.ord
when 91 when 91
ord = case tty.getc.ord case tty.getc.ord
when 68 then :left when 68 then :left
when 67 then :right when 67 then :right
when 66 then ctrl(:j) when 66 then ctrl(:j)
when 65 then ctrl(:k) when 65 then ctrl(:k)
when 90 then :stab when 90 then :stab
else :nop else :nop
end end
end when 'b'.ord
end :alt_b
when 'f'.ord
:alt_f
else
ord
end if ord == 27
upd = actions.fetch(ord, proc { |ord| upd = actions.fetch(ord, proc { |ord|
char = [ord].pack('U*') char = [ord].pack('U*')