239 lines
6.9 KiB
VimL
239 lines
6.9 KiB
VimL
" Autocommands """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Bitfield for highlight_current augroup
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if !exists('s:CLEAR_HIGHS_ALL')
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const s:CLEAR_HIGHS_CWORD = 1
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const s:CLEAR_HIGHS_VISUAL = 2
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const s:CLEAR_HIGHS_ALL = 3
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endif
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" Terminal
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if (has('nvim'))
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" Disable spellcheck
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augroup terminal_no_spellcheck
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au!
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autocmd TermOpen * setlocal nospell
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" Do not highlight trailing whitespace in terminal windows
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autocmd TermOpen * silent! call
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\ matchdelete(filter(getmatches(), 'v:val["group"] == "TrailingWhitespace"')[0]["id"])
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augroup END
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endif
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" change cursor shape depending on mode
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augroup cursor_shape_by_mode
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au!
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if (has('nvim'))
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" Beam when exiting
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autocmd VimLeave * silent !echo -ne "\e[5 q"
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else
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" https://vim.fandom.com/wiki/Change_cursor_shape_in_different_modes
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" https://github.com/tmux/tmux/issues/1593
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if exists('$TMUX')
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" Start insert mode - vertical bar/beam
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let &t_SI = "\ePtmux;\e\e[5 q\e\\"
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" Start replace mode - horizontal bar/underline
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let &t_SR = "\ePtmux;\e\e[3 q\e\\"
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" End insert or replace mode - block
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let &t_EI = "\ePtmux;\e\e[1 q\e\\"
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" Block when entering
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autocmd VimEnter * silent !echo -ne "\ePtmux;\e\e[1 q\e\\"
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" Beam when exiting
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autocmd VimLeave * silent !echo -ne "\ePtmux;\e\e[5 q\e\\"
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else
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" Start insert mode - vertical bar/beam
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let &t_SI = "\e[5 q"
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" Start replace mode - horizontal bar/underline
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let &t_SR = "\e[3 q"
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" End insert or replace mode - block
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let &t_EI = "\e[1 q"
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" Block when entering
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autocmd VimEnter * silent !echo -ne "\e[1 q"
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" Beam when exiting
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autocmd VimLeave * silent !echo -ne "\e[5 q"
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endif
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endif
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augroup END
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" Custom bindings when debugging
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augroup termdebug_bindings
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au!
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" Go to normal mode with <Esc> like usually
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autocmd SourcePost termdebug.vim tnoremap <Esc> <C-\><C-n>
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augroup END
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" Highlight word under cursor in other places
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function! HighlightCurrentWord()
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if exists('w:disable_highlight_cword')
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return
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endif
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if exists('w:old_cword') && w:old_cword == expand('<cword>')
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" Nothing to do if we're still on the same word
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return
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endif
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call ClearHighlights(s:CLEAR_HIGHS_CWORD)
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" Delay the highlight by 100ms so that not every word is highlighted
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" while moving the cursor fast. (This kind of simulates a CursorHold
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" event with a custom time)
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if exists('w:cword_timer_id')
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" Abort the already running timer and its callback
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call timer_stop(w:cword_timer_id)
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endif
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let w:cword_timer_id = timer_start(100, "_HighlightCurrentWord")
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endfunction
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function! _HighlightCurrentWord(timer_id)
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" TODO: there is probably some kind of race condition here
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" NOTE: w:cword_timer_id can be unset when switching from a window that is
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" currently in visual mode as then the ModeChanged event is triggered.
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if exists('w:cword_timer_id')
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unlet w:cword_timer_id
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endif
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let l:cword = expand('<cword>')
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if (l:cword != '')
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let w:old_cword = l:cword
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let w:cword_match_id = matchadd(
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\ 'CursorColumn',
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\ '\V\<' . escape(l:cword, '/\') . '\>',
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\ -1)
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endif
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endfunction
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" Highlight visual selection in other places
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function! HighlightVisualSel()
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if exists('w:disable_highlight_visual_sel')
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return
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endif
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call ClearHighlights(s:CLEAR_HIGHS_VISUAL)
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" Delay the highlight by 100ms so that not every selection is highlighted
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" while moving the cursor fast. (This kind of simulates a CursorHold
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" event with a custom time)
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if exists('w:selection_timer_id')
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" Abort the already running timer and its callback
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call timer_stop(w:selection_timer_id)
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endif
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let w:selection_timer_id = timer_start(100, "_HighlightVisualSel")
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endfunction
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function! _HighlightVisualSel(timer)
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if exists('w:selection_timer_id')
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unlet w:selection_timer_id
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endif
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let l:old_reg = getreg('"')
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let l:old_regtype = getregtype('"')
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" NOTE: The yank needs to be silent to mute the 'n lines yanked'
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" message. But the `silent` leads to the disappearance of the selection
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" size indicator (:h 'showcmd'), thus `y` and `gv` need to be executed
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" in separate normal mode commands.
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silent normal y
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normal gv
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if @" == ""
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" Abort when visual mode stated on an empty line
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return
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endif
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let w:visual_match_ids = []
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" Add match to all windows containing the current buffer
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for l:win in win_findbuf(bufnr())
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let w:visual_match_ids += [[
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\ matchadd(
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\ 'CursorColumn',
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\ '\V' . substitute(escape(@", '\'), '\n', '\\n', 'g'),
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\ -1,
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\ -1,
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\ {'window': l:win}),
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\ l:win
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\ ]]
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endfor
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call setreg('"', l:old_reg, l:old_regtype)
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endfunction
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" Clear the highlights of <cword> and visual selection
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function! ClearHighlights(what = s:CLEAR_HIGHS_ALL)
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if and(a:what, s:CLEAR_HIGHS_CWORD)
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if exists('w:cword_match_id')
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call matchdelete(w:cword_match_id)
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unlet w:cword_match_id
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unlet w:old_cword
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endif
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if exists('w:cword_timer_id')
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call timer_stop(w:cword_timer_id)
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unlet w:cword_timer_id
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endif
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endif
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if and(a:what, s:CLEAR_HIGHS_VISUAL)
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if exists('w:visual_match_ids')
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for l:pairs in w:visual_match_ids
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let l:id = l:pairs[0]
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let l:win = l:pairs[1]
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call matchdelete(l:id, l:win)
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endfor
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unlet w:visual_match_ids
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endif
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if exists('w:selection_timer_id')
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call timer_stop(w:selection_timer_id)
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unlet w:selection_timer_id
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endif
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endif
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endfunction
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augroup highlight_current
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au!
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" TODO: `viw` when on the last character of the word does not trigger
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" CursorMoved, but the selection changes
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au CursorMoved * if mode() == 'n' |
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\ call HighlightCurrentWord() |
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\ else |
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\ call HighlightVisualSel() |
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\ endif
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au CursorMovedI * call HighlightCurrentWord()
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au WinLeave * call ClearHighlights()
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au ModeChanged [vV\x16]*:* call ClearHighlights(s:CLEAR_HIGHS_VISUAL) | call HighlightCurrentWord()
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" NOTE: HighlightVisualSel is not called when entering non-linewise visual
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" mode as I rarely need one-character highlighting and I can work
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" around by moving back and forth once.
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" TODO: Fix for other ways of entering with a longer selection
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au ModeChanged *:[v\x16]* call ClearHighlights(s:CLEAR_HIGHS_CWORD)
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au ModeChanged *:V call ClearHighlights(s:CLEAR_HIGHS_CWORD) | call HighlightVisualSel()
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augroup END
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" When switching focus to another window, keep the cursor location underlined.
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function! HighlightOldCursorPos()
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let w:cursor_pos_match_id = matchaddpos(
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\ 'Underlined',
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\ [getcurpos()[1:2]])
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endfunction
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function! ClearOldCursorPos()
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if exists('w:cursor_pos_match_id')
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call matchdelete(w:cursor_pos_match_id)
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unlet w:cursor_pos_match_id
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endif
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endfunction
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augroup highlight_old_cursor_pos
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au!
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au WinLeave * call HighlightOldCursorPos()
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au WinEnter * call ClearOldCursorPos()
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" TODO: WinLeave is not triggered when entering command line mode and
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" CmdlineEnter is triggered **after** entering
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" nnoremap : :call HighlightOldCursorPos()<CR>:
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" au CmdlineLeave * call ClearOldCursorPos()
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augroup END
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" Do not mark input from stdin as modified
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augroup stdin_not_modified
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au!
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au StdinReadPost * set nomodified
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augroup END
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