dotfiles/vim/plugins/vim-easymotion/autoload/EasyMotion/command_line.vim
2018-04-05 13:06:54 +02:00

284 lines
9.5 KiB
VimL

"=============================================================================
" FILE: autoload/EasyMotion/command_line.vim
" AUTHOR: haya14busa
" Reference: https://github.com/osyo-manga/vim-over
" 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
" }}}
" CommandLine:
let s:V = vital#easymotion#new()
let s:cmdline = s:V.import('Over.Commandline.Base')
let s:modules = s:V.import("Over.Commandline.Modules")
let s:search = s:cmdline.make()
let s:search.highlights.prompt = 'Question'
" Add Module: {{{
call s:search.connect('Exit')
call s:search.connect('Cancel')
call s:search.connect('Redraw')
call s:search.connect('DrawCommandline')
call s:search.connect('Delete')
call s:search.connect('CursorMove')
call s:search.connect('Paste')
call s:search.connect('BufferComplete')
call s:search.connect('InsertRegister')
call s:search.connect('ExceptionExit')
call s:search.connect(s:modules.get('ExceptionMessage').make('EasyMotion: ', 'echom'))
call s:search.connect(s:modules.get('History').make('/'))
call s:search.connect(s:modules.get('NoInsert').make_special_chars())
call s:search.connect(s:modules.get('KeyMapping').make_emacs())
call s:search.connect(s:modules.get('Doautocmd').make('EMCommandLine'))
let s:module = {
\ "name" : "EasyMotion",
\}
function! s:module.on_char_pre(cmdline)
if a:cmdline.is_input("<Over>(em-scroll-f)")
call s:scroll(0)
call a:cmdline.setchar('')
elseif a:cmdline.is_input("<Over>(em-scroll-b)")
call s:scroll(1)
call a:cmdline.setchar('')
elseif a:cmdline.is_input("<Over>(em-jumpback)")
keepjumps call setpos('.', s:save_orig_pos)
let s:orig_pos = s:save_orig_pos
let s:orig_line_start = getpos('w0')
let s:orig_line_end = getpos('w$')
let s:direction = s:save_direction
call a:cmdline.setchar('')
elseif a:cmdline.is_input("<Over>(em-openallfold)")
" TODO: better solution
normal! zR
call a:cmdline.setchar('')
endif
endfunction
call s:search.connect(s:module)
"}}}
" CommandLine Keymap: {{{
" .keymapping() won't be remapped by user defined KeyMappings.
function! s:search.keymapping() "{{{
return {
\ "\<CR>" : {
\ "key" : "<Over>(exit)",
\ "noremap" : 1,
\ "lock" : 1,
\ },
\ }
endfunction "}}}
call s:search.cnoremap("\<C-l>", '<Over>(buffer-complete)')
call s:search.cnoremap("\<Tab>", '<Over>(em-scroll-f)')
call s:search.cnoremap("\<S-Tab>", '<Over>(em-scroll-b)')
call s:search.cnoremap("\<C-o>", '<Over>(em-jumpback)')
call s:search.cnoremap("\<C-z>", '<Over>(em-openallfold)')
" Fins Motion CommandLine Mapping Command: {{{
function! EasyMotion#command_line#cmap(args)
let lhs = s:as_keymapping(a:args[0])
let rhs = s:as_keymapping(a:args[1])
call s:search.cmap(lhs, rhs)
endfunction
function! EasyMotion#command_line#cnoremap(args)
let lhs = s:as_keymapping(a:args[0])
let rhs = s:as_keymapping(a:args[1])
call s:search.cnoremap(lhs, rhs)
endfunction
function! EasyMotion#command_line#cunmap(lhs)
let lhs = s:as_keymapping(a:lhs)
call s:search.cunmap(lhs)
endfunction
function! s:as_keymapping(key)
execute 'let result = "' . substitute(a:key, '\(<.\{-}>\)', '\\\1', 'g') . '"'
return result
endfunction
"}}}
"}}}
" Event: {{{
function! s:search.on_enter(cmdline) "{{{
if s:num_strokes == -1
call EasyMotion#highlight#delete_highlight()
call EasyMotion#helper#VarReset('&scrolloff', 0)
if g:EasyMotion_do_shade
call EasyMotion#highlight#add_highlight('\_.*',
\ g:EasyMotion_hl_group_shade)
endif
endif
if g:EasyMotion_cursor_highlight
call EasyMotion#highlight#add_highlight('\%#',
\ g:EasyMotion_hl_inc_cursor)
endif
endfunction "}}}
function! s:search.on_leave(cmdline) "{{{
if s:num_strokes == -1
call EasyMotion#highlight#delete_highlight(g:EasyMotion_hl_inc_search)
if g:EasyMotion_do_shade
call EasyMotion#highlight#delete_highlight(g:EasyMotion_hl_group_shade)
endif
endif
if g:EasyMotion_cursor_highlight
call EasyMotion#highlight#delete_highlight(g:EasyMotion_hl_inc_cursor)
endif
endfunction "}}}
function! s:search.on_char(cmdline) "{{{
if s:num_strokes == -1
let re = s:search.getline()
if EasyMotion#helper#should_case_sensitive(re, 1)
let case_flag = '\c'
else
let case_flag = '\C'
endif
let re .= case_flag
if g:EasyMotion_inc_highlight
call s:inc_highlight(re)
endif
if g:EasyMotion_off_screen_search
call s:off_screen_search(re)
endif
elseif s:search.line.length() >= s:num_strokes
call s:search.exit()
endif
endfunction "}}}
"}}}
" Main:
function! EasyMotion#command_line#GetInput(num_strokes, prev, direction) "{{{
let s:num_strokes = a:num_strokes
let s:prompt_base = s:getPromptMessage(a:num_strokes)
call s:search.set_prompt(s:prompt_base)
" Screen: cursor position, first and last line
let s:orig_pos = getpos('.')
let s:orig_line_start = getpos('w0')
let s:orig_line_end = getpos('w$')
let s:save_orig_pos = deepcopy(s:orig_pos)
" Direction:
let s:direction = a:direction == 1 ? 'b' : ''
let s:save_direction = deepcopy(s:direction)
let input = s:search.get()
if input == '' && ! s:search.exit_code()
return a:prev
elseif s:search.exit_code() == 1 || s:search.exit_code() == -1
call s:Cancell()
return ''
else
return input
endif
endfunction "}}}
" Helper:
function! s:Cancell() " {{{
call EasyMotion#highlight#delete_highlight()
call EasyMotion#helper#VarReset('&scrolloff')
keepjumps call setpos('.', s:save_orig_pos)
if g:EasyMotion_verbose
echo 'EasyMotion: Cancelled'
endif
return ''
endfunction " }}}
function! s:getPromptMessage(num_strokes) "{{{
if a:num_strokes == 1
let prompt = substitute(
\ substitute(g:EasyMotion_prompt,'{n}', a:num_strokes, 'g'),
\ '(s)', '', 'g')
elseif a:num_strokes == -1
let prompt = substitute(
\ substitute(g:EasyMotion_prompt, '{n}\s\{0,1}', '', 'g'),
\ '(s)', 's', 'g')
else
let prompt = substitute(
\ substitute(g:EasyMotion_prompt,'{n}', a:num_strokes, 'g'),
\ '(s)', 's', 'g')
endif
return prompt
endfunction "}}}
function! s:off_screen_search(re) "{{{
" First: search within visible screen range
call s:adjust_screen()
" Error occur when '\zs' without '!'
silent! let pos = searchpos(a:re, s:direction . 'n', s:orig_line_end[1])
if pos != [0, 0]
" Restore cursor posision
keepjumps call setpos('.', s:orig_pos)
else
" Second: if there were no much, search off screen
silent! let pos = searchpos(a:re, s:direction)
if pos != [0, 0]
" Match
keepjumps call setpos('.', pos)
" Move cursor
if s:save_direction != 'b'
normal! zzH0
else
normal! zzL0
endif
else
" No much
call s:adjust_screen()
keepjumps call setpos('.', s:orig_pos)
endif
endif
" redraw
endfunction "}}}
function! s:adjust_screen() "{{{
if s:save_direction != 'b'
" Forward
keepjumps call setpos('.', s:orig_line_start)
normal! zt
else
" Backward
keepjumps call setpos('.', s:orig_line_end)
normal! zb
endif
endfunction "}}}
function! s:scroll(direction) "{{{
" direction: 0 -> forward, 1 -> backward
exec a:direction == 0 ? "normal! \<C-f>" : "normal! \<C-b>"
let s:orig_pos = getpos('.')
let s:orig_line_start = getpos('w0')
let s:orig_line_end = getpos('w$')
let s:direction = a:direction == 0 ? '' : 'b'
endfunction "}}}
function! s:inc_highlight(re) "{{{
call EasyMotion#highlight#delete_highlight(g:EasyMotion_hl_inc_search)
if s:search.line.length() > 0
" Error occur when '\zs' without '!'
silent! call EasyMotion#highlight#add_highlight(a:re, g:EasyMotion_hl_inc_search)
endif
endfunction "}}}
" Restore 'cpoptions' {{{
let &cpo = s:save_cpo
unlet s:save_cpo
" }}}
" vim: fdm=marker:et:ts=4:sw=4:sts=4