Window swapping in vim

README.md

To use (assuming your mapleader is set to ) you would:

1. Move to the window to mark for the swap via ctrl-w movement
2. Type \mw
3. Move to the window you want to swap
4. Type \pw

windowswap.vim

function! MarkWindowSwap()
    let g:markedWinNum = winnr()
endfunction
 
function! DoWindowSwap()
    "Mark destination
    let curNum = winnr()
    let curBuf = bufnr( "%" )
    exe g:markedWinNum . "wincmd w"
    "Switch to source and shuffle dest->source
    let markedBuf = bufnr( "%" )
    "Hide and open so that we aren't prompted and keep history
    exe 'hide buf' curBuf
    "Switch to dest and shuffle source->dest
    exe curNum . "wincmd w"
    "Hide and open so that we aren't prompted and keep history
    exe 'hide buf' markedBuf 
endfunction
 
nmap <silent> <leader>mw :call MarkWindowSwap()<CR>
nmap <silent> <leader>pw :call DoWindowSwap()<CR>