From aa4f53c9f7f684304c2218bc81248cc66c3e830b Mon Sep 17 00:00:00 2001 From: Marco Hinz Date: Tue, 1 Oct 2019 17:19:38 +0200 Subject: [PATCH] Add helper functions startify#pad() and startify#center() --- autoload/startify.vim | 12 ++++++++++++ doc/startify.txt | 26 +++++++++++--------------- 2 files changed, 23 insertions(+), 15 deletions(-) diff --git a/autoload/startify.vim b/autoload/startify.vim index c24a015..fb1aa8f 100644 --- a/autoload/startify.vim +++ b/autoload/startify.vim @@ -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') diff --git a/doc/startify.txt b/doc/startify.txt index 5ca086f..5de7280 100644 --- a/doc/startify.txt +++ b/doc/startify.txt @@ -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*