152 lines
6.2 KiB
VimL
152 lines
6.2 KiB
VimL
function! gitgutter#highlight#line_disable() abort
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let g:gitgutter_highlight_lines = 0
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call s:define_sign_line_highlights()
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if !g:gitgutter_signs
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call gitgutter#sign#clear_signs(bufnr(''))
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call gitgutter#sign#remove_dummy_sign(bufnr(''), 0)
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#line_enable() abort
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let old_highlight_lines = g:gitgutter_highlight_lines
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let g:gitgutter_highlight_lines = 1
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call s:define_sign_line_highlights()
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if !old_highlight_lines && !g:gitgutter_signs
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call gitgutter#all(1)
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#line_toggle() abort
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if g:gitgutter_highlight_lines
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call gitgutter#highlight#line_disable()
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else
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call gitgutter#highlight#line_enable()
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endif
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endfunction
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function! gitgutter#highlight#define_sign_column_highlight() abort
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if g:gitgutter_override_sign_column_highlight
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highlight! link SignColumn LineNr
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else
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highlight default link SignColumn LineNr
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endif
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endfunction
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function! gitgutter#highlight#define_highlights() abort
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let [guibg, ctermbg] = s:get_background_colors('SignColumn')
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" Highlights used by the signs.
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" When they are invisible.
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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 GitGutterChangeInvisible
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" When they are visible.
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" By default use Diff* foreground colors with SignColumn's background.
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for type in ['Add', 'Change', 'Delete']
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let [guifg, ctermfg] = s:get_foreground_colors('Diff'.type)
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execute "highlight GitGutter".type."Default guifg=".guifg." guibg=".guibg." ctermfg=".ctermfg." ctermbg=".ctermbg
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execute "highlight default link GitGutter".type." GitGutter".type."Default"
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endfor
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highlight default link GitGutterChangeDelete GitGutterChange
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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 GitGutterChangeLine
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endfunction
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function! gitgutter#highlight#define_signs() abort
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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 GitGutterLineRemovedFirstLine
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sign define GitGutterLineRemovedAboveAndBelow
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sign define GitGutterLineModifiedRemoved
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sign define GitGutterDummy
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call s:define_sign_text()
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call gitgutter#highlight#define_sign_text_highlights()
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call s:define_sign_line_highlights()
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endfunction
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function! s:define_sign_text() abort
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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 GitGutterLineRemovedFirstLine text=" . g:gitgutter_sign_removed_first_line
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execute "sign define GitGutterLineRemovedAboveAndBelow text=" . g:gitgutter_sign_removed_above_and_below
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execute "sign define GitGutterLineModifiedRemoved text=" . g:gitgutter_sign_modified_removed
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endfunction
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function! gitgutter#highlight#define_sign_text_highlights() abort
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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 (when toggling
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" off or disabling) we make them invisible by setting their foreground colours
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" to the background's.
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if g:gitgutter_signs
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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 GitGutterLineRemovedFirstLine texthl=GitGutterDelete
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sign define GitGutterLineRemovedAboveAndBelow texthl=GitGutterDelete
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sign define GitGutterLineModifiedRemoved texthl=GitGutterChangeDelete
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else
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sign define GitGutterLineAdded texthl=GitGutterAddInvisible
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sign define GitGutterLineModified texthl=GitGutterChangeInvisible
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sign define GitGutterLineRemoved texthl=GitGutterDeleteInvisible
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sign define GitGutterLineRemovedFirstLine texthl=GitGutterDeleteInvisible
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sign define GitGutterLineRemovedAboveAndBelow texthl=GitGutterDeleteInvisible
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sign define GitGutterLineModifiedRemoved texthl=GitGutterChangeDeleteInvisible
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endif
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endfunction
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function! s:define_sign_line_highlights() abort
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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 GitGutterLineRemovedFirstLine linehl=GitGutterDeleteLine
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sign define GitGutterLineRemovedAboveAndBelow 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 GitGutterLineRemovedFirstLine linehl=
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sign define GitGutterLineRemovedAboveAndBelow linehl=
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sign define GitGutterLineModifiedRemoved linehl=
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endif
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endfunction
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function! s:get_hl(group, what, mode) abort
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let r = synIDattr(synIDtrans(hlID(a:group)), a:what, a:mode)
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if empty(r) || r == -1
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return 'NONE'
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endif
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return r
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endfunction
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function! s:get_foreground_colors(group) abort
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let ctermfg = s:get_hl(a:group, 'fg', 'cterm')
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let guifg = s:get_hl(a:group, 'fg', 'gui')
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return [guifg, ctermfg]
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endfunction
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function! s:get_background_colors(group) abort
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let ctermbg = s:get_hl(a:group, 'bg', 'cterm')
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let guibg = s:get_hl(a:group, 'bg', 'gui')
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return [guibg, ctermbg]
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endfunction
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