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Heavy cursor handling refactoring

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This elegant approach of cursor handling was sponsored by @Osse.

Thanks!
This commit is contained in:
Marco Hinz 2013-10-24 07:33:19 +02:00
parent 6121a5ebaa
commit cbdfa0cd9d
1 changed files with 15 additions and 18 deletions
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33
autoload/startify.vim
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@ -110,7 +110,8 @@ function! startify#insane_in_the_membrane() abort
call append('$', ['', ' [q] <quit>'])
endif
let s:lastline = line('$')
let s:firstline = s:show_special ? s:headoff : (s:headoff + s:secoff)
let s:lastline = line('$')
if exists('g:startify_custom_footer')
call append('$', g:startify_custom_footer)
@ -411,25 +412,21 @@ function! s:set_cursor() abort
let s:oldline = exists('s:newline') ? s:newline : 5
let s:newline = line('.')
if !exists('s:firstline')
let s:firstline = s:show_special ? s:headoff : (s:headoff + s:secoff)
" going up (-1) or down (1)
let movement = 2 * (s:newline > s:oldline) - 1
" skip section headers lines until an entry is found
while index(s:section_header_lines, s:newline) != -1
let s:newline += movement
endwhile
" skip blank lines between lists
if empty(getline(s:newline))
let s:newline += movement
endif
" going down
if s:newline > s:oldline
while index(s:section_header_lines, s:newline) != -1
let s:newline += 1
endwhile
if empty(getline(s:newline)) | let s:newline += 1 | endif
if s:newline > s:lastline | let s:newline = s:lastline | endif
" going up
elseif s:newline < s:oldline
while index(s:section_header_lines, s:newline) != -1
let s:newline -= 1
endwhile
if empty(getline(s:newline)) | let s:newline -= 1 | endif
if s:newline < s:firstline | let s:newline = s:firstline | endif
endif
" don't go beyond first or last entry
let s:newline = max([s:firstline, min([s:lastline, s:newline])])
call cursor(s:newline, 5)
endfunction