mirror of
https://github.com/airblade/vim-gitgutter.git
synced 2025-11-09 03:53:47 -05:00
ceeba75239
Note that line highlighting requires signs to be placed (because the line highlight is simply an attribute of a sign). If the user doesn't want to see signs in the sign column, but does want line highlighting, then we make the signs in the sign column invisible. If neither the signs in the sign column nor the line highlights are needed (presumably the user just looks at the hunks stats) then we can remove all signs, at which point Vim removes the sign column...unless the "sign column always" option is set.
110 lines
4.7 KiB
VimL
110 lines
4.7 KiB
VimL
function! highlight#define_sign_column_highlight()
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highlight default link SignColumn LineNr
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endfunction
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function! highlight#define_highlights()
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let [guibg, ctermbg] = highlight#get_background_colors('SignColumn')
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" Highlights used by the signs.
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execute "highlight GitGutterAddDefault guifg=#009900 guibg=" . guibg . " ctermfg=2 ctermbg=" . ctermbg
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execute "highlight GitGutterChangeDefault guifg=#bbbb00 guibg=" . guibg . " ctermfg=3 ctermbg=" . ctermbg
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execute "highlight GitGutterDeleteDefault guifg=#ff2222 guibg=" . guibg . " ctermfg=1 ctermbg=" . ctermbg
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highlight default link GitGutterChangeDeleteDefault GitGutterChangeDefault
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execute "highlight GitGutterAddInvisible guifg=bg" . " guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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execute "highlight GitGutterChangeInvisible guifg=bg" . " guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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execute "highlight GitGutterDeleteInvisible guifg=bg" . " guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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highlight default link GitGutterChangeDeleteInvisible GitGutterChangeInvisble
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highlight default link GitGutterAdd GitGutterAddDefault
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highlight default link GitGutterChange GitGutterChangeDefault
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highlight default link GitGutterDelete GitGutterDeleteDefault
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highlight default link GitGutterChangeDelete GitGutterChangeDeleteDefault
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" Highlights used for the whole line.
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highlight default link GitGutterAddLine DiffAdd
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highlight default link GitGutterChangeLine DiffChange
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highlight default link GitGutterDeleteLine DiffDelete
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highlight default link GitGutterChangeDeleteLine GitGutterChangeLineDefault
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endfunction
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function! highlight#define_signs()
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sign define GitGutterLineAdded
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sign define GitGutterLineModified
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sign define GitGutterLineRemoved
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sign define GitGutterLineModifiedRemoved
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sign define GitGutterDummy
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call highlight#define_sign_text()
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call highlight#define_sign_text_highlights()
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call highlight#define_sign_line_highlights()
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endfunction
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function! highlight#define_sign_text()
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execute "sign define GitGutterLineAdded text=" . g:gitgutter_sign_added
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execute "sign define GitGutterLineModified text=" . g:gitgutter_sign_modified
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execute "sign define GitGutterLineRemoved text=" . g:gitgutter_sign_removed
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execute "sign define GitGutterLineModifiedRemoved text=" . g:gitgutter_sign_modified_removed
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endfunction
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function! highlight#define_sign_text_highlights()
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" Once a sign's text attribute has been defined, it cannot be undefined or
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" set to an empty value. So to make signs' text disappear we make it
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" invisible.
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if g:gitgutter_signs
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highlight link GitGutterAdd GitGutterAddDefault
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highlight link GitGutterChange GitGutterChangeDefault
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highlight link GitGutterDelete GitGutterDeleteDefault
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highlight link GitGutterChangeDelete GitGutterChangeDeleteDefault
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else
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highlight link GitGutterAdd GitGutterAddInvisible
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highlight link GitGutterChange GitGutterChangeInvisible
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highlight link GitGutterDelete GitGutterDeleteInvisible
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highlight link GitGutterChangeDelete GitGutterChangeDeleteInvisible
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endif
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sign define GitGutterLineAdded texthl=GitGutterAdd
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sign define GitGutterLineModified texthl=GitGutterChange
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sign define GitGutterLineRemoved texthl=GitGutterDelete
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sign define GitGutterLineModifiedRemoved texthl=GitGutterChangeDelete
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endfunction
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function! highlight#define_sign_line_highlights()
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if g:gitgutter_highlight_lines
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sign define GitGutterLineAdded linehl=GitGutterAddLine
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sign define GitGutterLineModified linehl=GitGutterChangeLine
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sign define GitGutterLineRemoved linehl=GitGutterDeleteLine
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sign define GitGutterLineModifiedRemoved linehl=GitGutterChangeDeleteLine
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else
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sign define GitGutterLineAdded linehl=
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sign define GitGutterLineModified linehl=
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sign define GitGutterLineRemoved linehl=
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sign define GitGutterLineModifiedRemoved linehl=
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endif
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endfunction
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function! highlight#get_background_colors(group)
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redir => highlight
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silent execute 'silent highlight ' . a:group
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redir END
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let link_matches = matchlist(highlight, 'links to \(\S\+\)')
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if len(link_matches) > 0 " follow the link
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return highlight#get_background_colors(link_matches[1])
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endif
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let ctermbg = highlight#match_highlight(highlight, 'ctermbg=\(\S\+\)')
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let guibg = highlight#match_highlight(highlight, 'guibg=\(\S\+\)')
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return [guibg, ctermbg]
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endfunction
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function! highlight#match_highlight(highlight, pattern)
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let matches = matchlist(a:highlight, a:pattern)
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if len(matches) == 0
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return 'NONE'
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endif
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return matches[1]
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endfunction
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