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Add helper functions startify#pad() and startify#center()

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Marco Hinz 2019-10-01 17:19:38 +02:00 committed by Marco Hinz
parent a90684813f
commit aa4f53c9f7
2 changed files with 23 additions and 15 deletions
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12
autoload/startify.vim
View file

@ -424,6 +424,18 @@ function! startify#open_buffers(...) abort
endif
endfunction
" Function: #pad {{{1
function! startify#pad(lines) abort
return map(copy(a:lines), 's:padding_left . v:val')
endfunction
" Function: #center {{{1
function! startify#center(lines) abort
let longest_line = max(map(copy(a:lines), 'strwidth(v:val)'))
return map(copy(a:lines),
\ 'repeat(" ", (&columns / 2) - (longest_line / 2) - 1) . v:val')
endfunction
" Function: s:get_lists {{{1
function! s:get_lists() abort
if exists('g:startify_lists')

26
doc/startify.txt
View file

@ -577,7 +577,7 @@ NOTE: There is no sanitizing going on, so you should know what you're doing!
------------------------------------------------------------------------------
*g:startify_custom_header*
>
let g:startify_custom_header = 'startify#fortune#cowsay()'
let g:startify_custom_header = 'startify#pad(startify#fortune#cowsay())'
<
Define your own header.
@ -593,6 +593,11 @@ Helper functions:~
The last two functions optionally take a quote in the list of strings format.
They also return a list of strings, suitable for this option.
startify#pad([strings]) pad strings in list according to
|g:startify_padding_left| or the default of 3
startify#center([strings]) center list of strings without removing
its strings indentations
Example #1:~
>
let g:startify_custom_header = [
@ -608,7 +613,7 @@ Example #1:~
Example #2:~
>
let g:startify_custom_header =
\ map(split(system('fortune | cowsay'), '\n'), '" ". v:val')
\ startify#pad(split(system('fortune | cowsay'), '\n'))
<
Example #3:~
@ -629,7 +634,7 @@ Looks great! But it's not on the same column as the indices below which makes
it look awkward. Let's indent the header by 3 spaces:
>
let g:startify_custom_header =
\ map(g:ascii + startify#fortune#boxed(), '" ".v:val')
\ startify#pad(g:ascii + startify#fortune#boxed())
<
Ah, much better! There's only one issue left. If you set
g:startify_custom_header this way, it will only be done once. Hence spamming
@ -639,7 +644,7 @@ If you provide a string to it instead, Startify will evaluate it every time
:Startify is run:
>
let g:startify_custom_header =
\ 'map(g:ascii + startify#fortune#boxed(), "\" \".v:val")'
\ 'startify#pad(g:ascii + startify#fortune#boxed())'
<
Happy customizing!
@ -982,18 +987,9 @@ Do you have NERDTree installed by any chance? If so, try this:
------------------------------------------------------------------------------
*startify-faq-08*
How do I center my header/footer?~
Try something along these lines:
>
function! s:center(lines) abort
let longest_line = max(map(copy(a:lines), 'strwidth(v:val)'))
let centered_lines = map(copy(a:lines),
\ 'repeat(" ", (&columns / 2) - (longest_line / 2)) . v:val')
return centered_lines
endfunction
let g:startify_custom_header = s:center(startify#fortune#cowsay())
let g:startify_custom_footer = s:center(['foo', 'bar', 'baz'])
let g:startify_custom_header =
\ 'startify#center(startify#fortune#cowsay())'
<
------------------------------------------------------------------------------
*startify-faq-09*