vim-signify/autoload/sy/util.vim

177 lines
4.5 KiB
VimL

" vim: et sw=2 sts=2
scriptencoding utf-8
" Function: #escape {{{1
function! sy#util#escape(path) abort
if exists('+shellslash')
let old_ssl = &shellslash
if fnamemodify(&shell, ':t') == 'cmd.exe'
set noshellslash
else
set shellslash
endif
endif
let path = shellescape(a:path)
if exists('old_ssl')
let &shellslash = old_ssl
endif
return path
endfunction
" Function: #refresh_windows {{{1
function! sy#util#refresh_windows() abort
if exists('*win_getid')
let winid = win_getid()
else
let winnr = winnr()
endif
if !get(g:, 'signify_cmdwin_active')
keepjumps windo if exists('b:sy') | call sy#start() | endif
endif
if exists('winid')
call win_gotoid(winid)
else
execute winnr .'wincmd w'
endif
endfunction
" Function: #hunk_text_object {{{1
function! sy#util#hunk_text_object(emptylines) abort
execute sy#util#return_if_no_changes()
let lnum = line('.')
let hunks = filter(copy(b:sy.hunks), 'v:val.start <= lnum && v:val.end >= lnum')
if empty(hunks)
echomsg 'signify: Here is no hunk.'
return
endif
execute hunks[0].start
normal! V
if a:emptylines
let lnum = hunks[0].end
while getline(lnum+1) =~ '^$'
let lnum += 1
endwhile
execute lnum
else
execute hunks[0].end
endif
endfunction
" Function: #shell_redirect {{{1
function! sy#util#shell_redirect(path) abort
" if shellredir contains a %s it is replaced with the path
" otherwise, just append it (from :help shellredir:
" The name of the temporary file can be represented by '%s' if necessary
" (the file name is appended automatically if no %s appears in the value
" of this option)
if &shellredir =~# '%s'
return substitute(&shellredir, '\C%s', a:path, 'g')
else
return &shellredir .' '. a:path
endif
endfunction
" Function: #chdir {{{1
function! sy#util#chdir() abort
let chdir = haslocaldir()
\ ? 'lcd'
\ : (exists(':tcd') && haslocaldir(-1, 0)) ? 'tcd' : 'cd'
return [getcwd(), chdir]
endfunction
" Function: #has_changes {{{1
function! sy#util#return_if_no_changes() abort
if !exists('b:sy') || empty(b:sy.hunks)
echomsg 'signify: There are no changes.'
return 'return'
endif
return ''
endfunction
" Function: #execute {{{1
function! sy#util#execute(cmd) abort
let lang = v:lang
redir => output
silent! execute a:cmd
redir END
silent! execute 'language message' lang
return output
endfunction
let s:popup_window = 0
" Function: #popup_close {{{1
function! sy#util#popup_close() abort
if s:popup_window
call nvim_win_close(s:popup_window, 1)
let s:popup_window = 0
endif
endfunction
" Function: #popup_create {{{1
function! sy#util#popup_create(hunkdiff) abort
let max_height = winheight('%') - winline()
let height = len(a:hunkdiff)
let height = (height > max_height) ? max_height : height
let offset = s:offset()
if exists('*nvim_open_win')
call sy#util#popup_close()
let buf = nvim_create_buf(0, 1)
call nvim_buf_set_option(buf, 'syntax', 'diff')
call nvim_buf_set_lines(buf, 0, -1, 0, a:hunkdiff)
let s:popup_window = nvim_open_win(buf, v:false, {
\ 'relative': 'win',
\ 'row': winline(),
\ 'col': offset - 1,
\ 'width': winwidth('%') - offset,
\ 'height': height,
\ })
call nvim_win_set_option(s:popup_window, 'cursorline', v:false)
call nvim_win_set_option(s:popup_window, 'foldcolumn', 0)
call nvim_win_set_option(s:popup_window, 'foldenable', v:false)
call nvim_win_set_option(s:popup_window, 'number', v:false)
call nvim_win_set_option(s:popup_window, 'relativenumber', v:false)
call nvim_win_set_option(s:popup_window, 'wrap', v:true)
autocmd CursorMoved * ++once call sy#util#popup_close()
elseif exists('*popup_create')
let s:popup_window = popup_create(a:hunkdiff, {
\ 'line': 'cursor+1',
\ 'col': offset,
\ 'maxwidth': winwidth('%'),
\ 'maxheight': height,
\ 'moved': 'any',
\ 'zindex': 1000,
\ })
call setbufvar(winbufnr(s:popup_window), '&syntax', 'diff')
else
return 0
endif
return 1
endfunction
" Function: s:offset {{{1
function! s:offset() abort
let offset = &foldcolumn
let offset += 2 " FIXME: Find better way to calculate the sign column width.
if &number
let l = len(line('$')) + 1
let offset += (&numberwidth > l) ? &numberwidth : l
elseif &relativenumber
let l = len(winheight('%')) + 1
let offset += (&numberwidth > l) ? &numberwidth : l
endif
return offset
endfunction