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Fix the problem of key bindings in finder buffers #4122

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Fix the problem of key bindings in finder buffers #4122

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32 changes: 32 additions & 0 deletions autoload/youcompleteme/finder.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -243,6 +243,38 @@ function! youcompleteme#finder#FindSymbol( scope ) abort
autocmd WinLeave <buffer> call s:Cancel()
autocmd CmdLineEnter <buffer> call s:Cancel()
augroup END
" override all the global mappings in the finder buffer
" by remapping each previously mapped key sequence to itself
" (still preserve the previously defined buffer-local mappings)
if exists( '*maplist' ) && exists( '*mapset' )
let bufmapsave = maplist()->filter( 'v:val.buffer == 1' )
for mapitem in map(
\ maplist()->filter( 'v:val.buffer == 0' ),
\ { _, val -> val->extend( #{ expr: 0, noremap: 1, rhs: val.lhs, buffer: 1, silent: 1 } ) } )
call mapset( mapitem )
endfor
for mapitem in bufmapsave
call mapset( mapitem )
endfor
else
let bufmapsave = []
let mapitems = []
for mapitem in split( execute( 'map | map!' ), '\n\+' )
let [ mapmode, lhs, attr; _ ] = split( mapitem, '\s\+', 1 )
if attr =~ '^[*&]\?@'
call add( bufmapsave, lhs )
else
call add( mapitems, [ mapmode, lhs ] )
endif
endfor
for mapitem in mapitems
let [ mapmode, lhs ] = mapitem
if index( bufmapsave, lhs ) == -1
let mapcmd = mapmode == '!' ? 'noremap!' : ( mapmode . 'noremap' )
silent exec mapcmd . ' <buffer> <silent> ' . lhs . ' ' . lhs
endif
endfor
endif
startinsert
endfunction

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