vim-easymotion/autoload/EasyMotion/command_line.vim
2014-01-17 15:10:07 +09:00

126 lines
4.4 KiB
VimL

"=============================================================================
" FILE: autoload/EasyMotion/command_line.vim
" AUTHOR: haya14busa
" Last Change: 17 Jan 2014.
" License: MIT license {{{
" Permission is hereby granted, free of charge, to any person obtaining
" a copy of this software and associated documentation files (the
" "Software"), to deal in the Software without restriction, including
" without limitation the rights to use, copy, modify, merge, publish,
" distribute, sublicense, and/or sell copies of the Software, and to
" permit persons to whom the Software is furnished to do so, subject to
" the following conditions:
"
" The above copyright notice and this permission notice shall be included
" in all copies or substantial portions of the Software.
"
" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
" IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
" CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
" TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
" SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
" }}}
"=============================================================================
scriptencoding utf-8
" Saving 'cpoptions' {{{
let s:save_cpo = &cpo
set cpo&vim
" }}}
function! s:InputPrompt(message, input) "{{{
redraw
echohl Question | echon a:message | echohl None
echon a:input
endfunction "}}}
function! s:Cancell() " {{{
redraw
echo 'EasyMotion: Cancelled'
return ''
endfunction " }}}
function! EasyMotion#command_line#GetInput(num_strokes, ...) "{{{
let previous_input = a:0 == 1 ? a:1 : ''
let input = ''
" repeat a:num_strokes times
let prompt_num = a:num_strokes != -1 ? a:num_strokes : ''
let prompt = prompt_num . g:EasyMotion_prompt
while EasyMotion#helper#strchars(input) < a:num_strokes ||
\ a:num_strokes == -1
if g:EasyMotion_show_prompt
call s:InputPrompt(prompt, input)
endif
let c = getchar()
let s:char = type(c) == type(0) ? nr2char(c) : c
if EasyMotion#command_line#is_input("\<Esc>")
" Cancel if Escape key pressed
call s:Cancell() | return ''
elseif EasyMotion#command_line#is_input("\<C-c>")
" Cancel
call s:Cancell() | return ''
elseif EasyMotion#command_line#is_input("\<C-h>")
" Delete one character
if len(input) == 0 | call s:Cancell() | return '' | endif
let input = substitute(input, '.$', '', '')
elseif EasyMotion#command_line#is_input("\<C-d>")
" Delete one character
if len(input) == 0 | call s:Cancell() | return '' | endif
let input = substitute(input, '.$', '', '')
elseif EasyMotion#command_line#is_input("\<C-u>")
" Delete all
if len(input) == 0 | call s:Cancell() | return '' | endif
let input = ''
elseif EasyMotion#command_line#is_input("\<C-w>")
" Delete word
let input = matchstr(input, '^\zs.\{-}\ze\(\(\w*\)\|\(.\)\)$')
elseif EasyMotion#command_line#is_input("\<C-p>")
let input = previous_input
elseif EasyMotion#command_line#is_input("\<C-n>")
let input = ''
elseif EasyMotion#command_line#is_input("\<CR>")
if len(input) == 0
return previous_input
endif
" Return input charcters
return input
elseif EasyMotion#command_line#is_input("\<C-j>")
" Return input charcters
return input
elseif char2nr(s:char) == 128 || char2nr(s:char) < 27
" Do nothing for special key
continue
else
let input .= s:char
endif
endwhile
return input
endfunction "}}}
function! EasyMotion#command_line#char() "{{{
return s:char
endfunction "}}}
function! EasyMotion#command_line#is_input(key) "{{{
return EasyMotion#command_line#keymap(EasyMotion#command_line#char()) == a:key
endfunction "}}}
function! EasyMotion#command_line#keymap(key) "{{{
return get(extend(deepcopy(s:default_key_mapping), g:EasyMotion_command_line_key_mappings), a:key, a:key)
endfunction "}}}
" Default_key_mapping: {{{
let s:default_key_mapping = {
\ "\<Right>" : "\<C-f>",
\ "\<Left>" : "\<C-b>",
\ "\<Up>" : "\<C-p>",
\ "\<Down>" : "\<C-n>",
\ "\<BS>" : "\<C-h>",
\ "\<Del>" : "\<C-d>",
\ "\<Home>" : "\<C-a>",
\ "\<End>" : "\<C-e>",
\}
"}}}
"
" Restore 'cpoptions' {{{
let &cpo = s:save_cpo
unlet s:save_cpo
" }}}