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Custom Motions in Vim Alex

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Goals ‣ Revise

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Motions move the cursor What

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Custom Motions ‣ Motions

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Vim’s Grammar [operator][count][motion] Change

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Vim’s Grammar [operator][count][motion] d 2 w delete 2 words Wednesday, 30 January 13

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Vim’s Grammar [operator][count][motion] Operator- Pending

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Operator-Pending Mode ‣ Map

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Mappings ‣ Example:

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Mappings " From: learnvimscriptthehardway.stevelosh.com/chapters/51.html function! s:NextSection(type, backwards) endfunction noremap <buffer> <silent> ]] :call <SID>NextSection(1, 0)<cr> noremap <script> <buffer> <silent> [[ :call <SID>NextSection(1, 1)<cr> noremap <script> <buffer> <silent> ][ :call <SID>NextSection(2, 0)<cr> noremap <script> <buffer> <silent> [] :call <SID>NextSection(2, 1)<cr> Wednesday, 30 January 13

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Mappings function! s:NextSection(type, backwards) if a:type == 1 let pattern = ... elseif a:type == 2 let pattern = ... endif if a:backwards let dir = '?' else let dir = '/' endif execute 'silent normal! ' . dir . pattern . "\r" endfunction Wednesday, 30 January 13

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In the Wild ‣ Functions ‣ search() ‣ Keys

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search() ‣ Regular

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Another Example ‣ New! ‣ Like

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The End omap search() noremap Wednesday, 30 January 13