+++ /dev/null
-" ============================================================================
-" File: gundo.vim
-" Description: vim global plugin to visualize your undo tree
-" Maintainer: Steve Losh <steve@stevelosh.com>
-" License: GPLv2+ -- look it up.
-" Notes: Much of this code was thiefed from Mercurial, and the rest was
-" heavily inspired by scratch.vim and histwin.vim.
-"
-" ============================================================================
-
-
-"{{{ Init
-
-if v:version < '703'"{{{
- function! s:GundoDidNotLoad()
- echohl WarningMsg|echomsg "Gundo unavailable: requires Vim 7.3+"|echohl None
- endfunction
- command! -nargs=0 GundoToggle call s:GundoDidNotLoad()
- finish
-endif"}}}
-
-if !exists('g:gundo_width')"{{{
- let g:gundo_width = 45
-endif"}}}
-if !exists('g:gundo_preview_height')"{{{
- let g:gundo_preview_height = 15
-endif"}}}
-if !exists('g:gundo_preview_bottom')"{{{
- let g:gundo_preview_bottom = 0
-endif"}}}
-if !exists('g:gundo_right')"{{{
- let g:gundo_right = 0
-endif"}}}
-if !exists('g:gundo_help')"{{{
- let g:gundo_help = 1
-endif"}}}
-if !exists("g:gundo_map_move_older")"{{{
- let g:gundo_map_move_older = 'j'
-endif"}}}
-if !exists("g:gundo_map_move_newer")"{{{
- let g:gundo_map_move_newer = 'k'
-endif"}}}
-if !exists("g:gundo_close_on_revert")"{{{
- let g:gundo_close_on_revert = 0
-endif"}}}
-if !exists("g:gundo_prefer_python3")"{{{
- let g:gundo_prefer_python3 = 0
-endif"}}}
-
-let s:has_supported_python = 0
-if g:gundo_prefer_python3 && has('python3')"{{{
- let s:has_supported_python = 2
-elseif has('python')"
- let s:has_supported_python = 1
-endif
-
-if !s:has_supported_python
- function! s:GundoDidNotLoad()
- echohl WarningMsg|echomsg "Gundo requires Vim to be compiled with Python 2.4+"|echohl None
- endfunction
- command! -nargs=0 GundoToggle call s:GundoDidNotLoad()
- finish
-endif"}}}
-
-let s:plugin_path = escape(expand('<sfile>:p:h'), '\')
-"}}}
-
-"{{{ Gundo utility functions
-
-function! s:GundoGetTargetState()"{{{
- let target_line = matchstr(getline("."), '\v\[[0-9]+\]')
- return matchstr(target_line, '\v[0-9]+')
-endfunction"}}}
-
-function! s:GundoGoToWindowForBufferName(name)"{{{
- if bufwinnr(bufnr(a:name)) != -1
- exe bufwinnr(bufnr(a:name)) . "wincmd w"
- return 1
- else
- return 0
- endif
-endfunction"}}}
-
-function! s:GundoIsVisible()"{{{
- if bufwinnr(bufnr("__Gundo__")) != -1 || bufwinnr(bufnr("__Gundo_Preview__")) != -1
- return 1
- else
- return 0
- endif
-endfunction"}}}
-
-function! s:GundoInlineHelpLength()"{{{
- if g:gundo_help
- return 6
- else
- return 0
- endif
-endfunction"}}}
-
-"}}}
-
-"{{{ Gundo buffer settings
-
-function! s:GundoMapGraph()"{{{
- exec 'nnoremap <script> <silent> <buffer> ' . g:gundo_map_move_older . " :call <sid>GundoMove(1)<CR>"
- exec 'nnoremap <script> <silent> <buffer> ' . g:gundo_map_move_newer . " :call <sid>GundoMove(-1)<CR>"
- nnoremap <script> <silent> <buffer> <CR> :call <sid>GundoRevert()<CR>
- nnoremap <script> <silent> <buffer> o :call <sid>GundoRevert()<CR>
- nnoremap <script> <silent> <buffer> <down> :call <sid>GundoMove(1)<CR>
- nnoremap <script> <silent> <buffer> <up> :call <sid>GundoMove(-1)<CR>
- nnoremap <script> <silent> <buffer> gg gg:call <sid>GundoMove(1)<CR>
- nnoremap <script> <silent> <buffer> P :call <sid>GundoPlayTo()<CR>
- nnoremap <script> <silent> <buffer> p :call <sid>GundoRenderChangePreview()<CR>
- nnoremap <script> <silent> <buffer> q :call <sid>GundoClose()<CR>
- cabbrev <script> <silent> <buffer> q call <sid>GundoClose()
- cabbrev <script> <silent> <buffer> quit call <sid>GundoClose()
- nnoremap <script> <silent> <buffer> <2-LeftMouse> :call <sid>GundoMouseDoubleClick()<CR>
-endfunction"}}}
-
-function! s:GundoMapPreview()"{{{
- nnoremap <script> <silent> <buffer> q :call <sid>GundoClose()<CR>
- cabbrev <script> <silent> <buffer> q call <sid>GundoClose()
- cabbrev <script> <silent> <buffer> quit call <sid>GundoClose()
-endfunction"}}}
-
-function! s:GundoSettingsGraph()"{{{
- setlocal buftype=nofile
- setlocal bufhidden=hide
- setlocal noswapfile
- setlocal nobuflisted
- setlocal nomodifiable
- setlocal filetype=gundo
- setlocal nolist
- setlocal nonumber
- setlocal norelativenumber
- setlocal nowrap
- call s:GundoSyntaxGraph()
- call s:GundoMapGraph()
-endfunction"}}}
-
-function! s:GundoSettingsPreview()"{{{
- setlocal buftype=nofile
- setlocal bufhidden=hide
- setlocal noswapfile
- setlocal nobuflisted
- setlocal nomodifiable
- setlocal filetype=diff
- setlocal nonumber
- setlocal norelativenumber
- setlocal nowrap
- setlocal foldlevel=20
- setlocal foldmethod=diff
- call s:GundoMapPreview()
-endfunction"}}}
-
-function! s:GundoSyntaxGraph()"{{{
- let b:current_syntax = 'gundo'
-
- syn match GundoCurrentLocation '@'
- syn match GundoHelp '\v^".*$'
- syn match GundoNumberField '\v\[[0-9]+\]'
- syn match GundoNumber '\v[0-9]+' contained containedin=GundoNumberField
-
- hi def link GundoCurrentLocation Keyword
- hi def link GundoHelp Comment
- hi def link GundoNumberField Comment
- hi def link GundoNumber Identifier
-endfunction"}}}
-
-"}}}
-
-"{{{ Gundo buffer/window management
-
-function! s:GundoResizeBuffers(backto)"{{{
- call s:GundoGoToWindowForBufferName('__Gundo__')
- exe "vertical resize " . g:gundo_width
-
- call s:GundoGoToWindowForBufferName('__Gundo_Preview__')
- exe "resize " . g:gundo_preview_height
-
- exe a:backto . "wincmd w"
-endfunction"}}}
-
-function! s:GundoOpenGraph()"{{{
- let existing_gundo_buffer = bufnr("__Gundo__")
-
- if existing_gundo_buffer == -1
- call s:GundoGoToWindowForBufferName('__Gundo_Preview__')
- exe "new __Gundo__"
- if g:gundo_preview_bottom
- if g:gundo_right
- wincmd L
- else
- wincmd H
- endif
- endif
- call s:GundoResizeBuffers(winnr())
- else
- let existing_gundo_window = bufwinnr(existing_gundo_buffer)
-
- if existing_gundo_window != -1
- if winnr() != existing_gundo_window
- exe existing_gundo_window . "wincmd w"
- endif
- else
- call s:GundoGoToWindowForBufferName('__Gundo_Preview__')
- if g:gundo_preview_bottom
- if g:gundo_right
- exe "botright vsplit +buffer" . existing_gundo_buffer
- else
- exe "topleft vsplit +buffer" . existing_gundo_buffer
- endif
- else
- exe "split +buffer" . existing_gundo_buffer
- endif
- call s:GundoResizeBuffers(winnr())
- endif
- endif
- if exists("g:gundo_tree_statusline")
- let &l:statusline = g:gundo_tree_statusline
- endif
-endfunction"}}}
-
-function! s:GundoOpenPreview()"{{{
- let existing_preview_buffer = bufnr("__Gundo_Preview__")
-
- if existing_preview_buffer == -1
- if g:gundo_preview_bottom
- exe "botright new __Gundo_Preview__"
- else
- if g:gundo_right
- exe "botright vnew __Gundo_Preview__"
- else
- exe "topleft vnew __Gundo_Preview__"
- endif
- endif
- else
- let existing_preview_window = bufwinnr(existing_preview_buffer)
-
- if existing_preview_window != -1
- if winnr() != existing_preview_window
- exe existing_preview_window . "wincmd w"
- endif
- else
- if g:gundo_preview_bottom
- exe "botright split +buffer" . existing_preview_buffer
- else
- if g:gundo_right
- exe "botright vsplit +buffer" . existing_preview_buffer
- else
- exe "topleft vsplit +buffer" . existing_preview_buffer
- endif
- endif
- endif
- endif
- if exists("g:gundo_preview_statusline")
- let &l:statusline = g:gundo_preview_statusline
- endif
-endfunction"}}}
-
-function! s:GundoClose()"{{{
- if s:GundoGoToWindowForBufferName('__Gundo__')
- quit
- endif
-
- if s:GundoGoToWindowForBufferName('__Gundo_Preview__')
- quit
- endif
-
- exe bufwinnr(g:gundo_target_n) . "wincmd w"
-endfunction"}}}
-
-function! s:GundoOpen()"{{{
- if !exists('g:gundo_py_loaded')
- if s:has_supported_python == 2 && g:gundo_prefer_python3
- exe 'py3file ' . s:plugin_path . '/gundo.py'
- python3 initPythonModule()
- else
- exe 'pyfile ' . s:plugin_path . '/gundo.py'
- python initPythonModule()
- endif
-
- if !s:has_supported_python
- function! s:GundoDidNotLoad()
- echohl WarningMsg|echomsg "Gundo unavailable: requires Vim 7.3+"|echohl None
- endfunction
- command! -nargs=0 GundoToggle call s:GundoDidNotLoad()
- call s:GundoDidNotLoad()
- return
- endif"
-
- let g:gundo_py_loaded = 1
- endif
-
- " Save `splitbelow` value and set it to default to avoid problems with
- " positioning new windows.
- let saved_splitbelow = &splitbelow
- let &splitbelow = 0
-
- call s:GundoOpenPreview()
- exe bufwinnr(g:gundo_target_n) . "wincmd w"
-
- call s:GundoRenderGraph()
- call s:GundoRenderPreview()
-
- " Restore `splitbelow` value.
- let &splitbelow = saved_splitbelow
-endfunction"}}}
-
-function! s:GundoToggle()"{{{
- if s:GundoIsVisible()
- call s:GundoClose()
- else
- let g:gundo_target_n = bufnr('')
- let g:gundo_target_f = @%
- call s:GundoOpen()
- endif
-endfunction"}}}
-
-function! s:GundoShow()"{{{
- call s:GundoOpen()
-endfunction"}}}
-
-function! s:GundoHide()"{{{
- call s:GundoClose()
-endfunction"}}}
-
-"}}}
-
-"{{{ Gundo mouse handling
-
-function! s:GundoMouseDoubleClick()"{{{
- let start_line = getline('.')
-
- if stridx(start_line, '[') == -1
- return
- else
- call s:GundoRevert()
- endif
-endfunction"}}}
-
-"}}}
-
-"{{{ Gundo movement
-
-function! s:GundoMove(direction) range"{{{
- let start_line = getline('.')
- if v:count1 == 0
- let move_count = 1
- else
- let move_count = v:count1
- endif
- let distance = 2 * move_count
-
- " If we're in between two nodes we move by one less to get back on track.
- if stridx(start_line, '[') == -1
- let distance = distance - 1
- endif
-
- let target_n = line('.') + (distance * a:direction)
-
- " Bound the movement to the graph.
- if target_n <= s:GundoInlineHelpLength() - 1
- call cursor(s:GundoInlineHelpLength(), 0)
- else
- call cursor(target_n, 0)
- endif
-
- let line = getline('.')
-
- " Move to the node, whether it's an @ or an o
- let idx1 = stridx(line, '@')
- let idx2 = stridx(line, 'o')
- if idx1 != -1
- call cursor(0, idx1 + 1)
- else
- call cursor(0, idx2 + 1)
- endif
-
- call s:GundoRenderPreview()
-endfunction"}}}
-
-"}}}
-
-"{{{ Gundo rendering
-
-function! s:GundoRenderGraph()"{{{
- if s:has_supported_python == 2 && g:gundo_prefer_python3
- python3 GundoRenderGraph()
- else
- python GundoRenderGraph()
- endif
-endfunction"}}}
-
-function! s:GundoRenderPreview()"{{{
- if s:has_supported_python == 2 && g:gundo_prefer_python3
- python3 GundoRenderPreview()
- else
- python GundoRenderPreview()
- endif
-endfunction"}}}
-
-function! s:GundoRenderChangePreview()"{{{
- if s:has_supported_python == 2 && g:gundo_prefer_python3
- python3 GundoRenderChangePreview()
- else
- python GundoRenderChangePreview()
- endif
-endfunction"}}}
-
-"}}}
-
-"{{{ Gundo undo/redo
-
-function! s:GundoRevert()"{{{
- if s:has_supported_python == 2 && g:gundo_prefer_python3
- python3 GundoRevert()
- else
- python GundoRevert()
- endif
-endfunction"}}}
-
-function! s:GundoPlayTo()"{{{
- if s:has_supported_python == 2 && g:gundo_prefer_python3
- python3 GundoPlayTo()
- else
- python GundoPlayTo()
- endif
-endfunction"}}}
-
-"}}}
-
-"{{{ Misc
-
-function! gundo#GundoToggle()"{{{
- call s:GundoToggle()
-endfunction"}}}
-
-function! gundo#GundoRenderGraph()"{{{
- call s:GundoRenderGraph()
-endfunction"}}}
-
-augroup GundoAug
- autocmd!
- autocmd BufNewFile __Gundo__ call s:GundoSettingsGraph()
- autocmd BufNewFile __Gundo_Preview__ call s:GundoSettingsPreview()
-augroup END
-
-"}}}
git://git.iain.cx/iain / profile.git / blobdiff