Vim Buffers, Windows & Tabs

:ls                                      " List all buffers
:buffers                                 " Same as :ls
:files                                   " Same as :ls

" %  = current buffer
" #  = alternate buffer
" a  = active (loaded and visible)
" h  = hidden (loaded but not visible)
" +  = modified
" -  = readonly
" =  = readonly

:bnext                                   " Next buffer
:bprev                                   " Previous buffer
:bfirst                                  " First buffer
:blast                                   " Last buffer

:b3                                      " Go to buffer 3
:buffer 3                                " Same

:b file.adoc                             " Go to buffer by name
:b adoc<Tab>                             " Tab complete

:b#                                      " Switch to alternate buffer
Ctrl-^                                   " Same (faster)

:e file.adoc                             " Open file in buffer
:e .                                     " Open file explorer
:e **/*pattern*<Tab>                     " Find and open

:args *.adoc                             " Open all adoc files
:argadd file.adoc                        " Add to args
:argdo %s/old/new/g                      " Run on all args

:bd                                      " Delete current buffer
:bd 3                                    " Delete buffer 3
:bd file.adoc                            " Delete by name
:bd!                                     " Force delete (discard changes)

:bd 1 2 3                                " Delete buffers 1, 2, 3
:1,3bd                                   " Delete range
:%bd                                     " Delete all buffers
:%bd|e#                                  " Delete all except current

:bw                                      " Wipe buffer completely
:bw!                                     " Force wipe

:set hidden                              " Allow unsaved hidden buffers

:set nohidden                            " Must save before switching

:sb 3                                    " Split and show buffer 3
:sb file.adoc                            " Split by name
:vert sb 3                               " Vertical split

:ball                                    " Open all buffers in windows
:vert ball                               " Vertical splits
:tab ball                                " Open all in tabs

:bufdo /pattern                          " Search in all buffers
:bufdo %s/old/new/g                      " Replace in all buffers
:bufdo update                            " Save all buffers

:ls!                                     " Show all including unlisted

" Help files
" Quickfix
" Netrw

nnoremap <leader>bn :bnext<CR>
nnoremap <leader>bp :bprev<CR>
nnoremap <leader>bd :bd<CR>
nnoremap <leader>bl :ls<CR>
nnoremap <Tab> :bnext<CR>
nnoremap <S-Tab> :bprev<CR>

:Buffers                                 " FZF buffer list (if fzf.vim)

nnoremap <leader>b :Buffers<CR>

:split                                   " Split current window
:sp                                      " Short form
:sp file.adoc                            " Split and open file
Ctrl-w s                                 " Split current window

:vsplit                                  " Vertical split
:vs                                      " Short form
:vs file.adoc                            " Vertical split with file
Ctrl-w v                                 " Vertical split current

:new                                     " New horizontal split (empty)
:vnew                                    " New vertical split (empty)

Ctrl-w h                                 " Move to left window
Ctrl-w j                                 " Move to window below
Ctrl-w k                                 " Move to window above
Ctrl-w l                                 " Move to right window

Ctrl-w w                                 " Next window
Ctrl-w W                                 " Previous window
Ctrl-w p                                 " Previous (last accessed) window

Ctrl-w t                                 " Top-left window
Ctrl-w b                                 " Bottom-right window

:q                                       " Close window (and vim if last)
:close                                   " Close window
Ctrl-w c                                 " Close window
Ctrl-w q                                 " Close window (quit)

:only                                    " Close all other windows
Ctrl-w o                                 " Same

Ctrl-w +                                 " Increase height
Ctrl-w -                                 " Decrease height
Ctrl-w _                                 " Maximize height
:resize 10                               " Set height to 10
:res +5                                  " Increase by 5
:res -5                                  " Decrease by 5

Ctrl-w >                                 " Increase width
Ctrl-w <                                 " Decrease width
Ctrl-w |                                 " Maximize width
:vertical resize 80                      " Set width to 80

Ctrl-w =                                 " Make all equal size

Ctrl-w r                                 " Rotate windows down/right
Ctrl-w R                                 " Rotate windows up/left

Ctrl-w H                                 " Move to far left (vertical)
Ctrl-w J                                 " Move to bottom (horizontal)
Ctrl-w K                                 " Move to top (horizontal)
Ctrl-w L                                 " Move to far right (vertical)

Ctrl-w x                                 " Exchange with next window

Ctrl-w T                                 " Move window to new tab

:set splitbelow                          " Horizontal splits below
:set splitright                          " Vertical splits right

:pedit file.adoc                         " Open in preview window
:ped file.adoc                           " Short form
Ctrl-w }                                 " Preview tag under cursor

:pclose                                  " Close preview window
Ctrl-w z                                 " Same

:diffthis                                " Current window in diff mode
:diffoff                                 " Turn off diff mode
:diffoff!                                " Turn off in all windows
:diffupdate                              " Refresh diff

]c                                       " Next change
[c                                       " Previous change
do                                       " Get change from other (obtain)
dp                                       " Put change to other

:windo %s/old/new/g                      " Substitute in all windows
:windo set number                        " Set option in all windows

nnoremap <leader>wh :split<CR>
nnoremap <leader>wv :vsplit<CR>
nnoremap <leader>wc :close<CR>
nnoremap <leader>wo :only<CR>
nnoremap <leader>w= <C-w>=

" Easier navigation
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" Resize with arrows
nnoremap <C-Up> :resize +2<CR>
nnoremap <C-Down> :resize -2<CR>
nnoremap <C-Left> :vertical resize -2<CR>
nnoremap <C-Right> :vertical resize +2<CR>

:tabnew                                  " New empty tab
:tabnew file.adoc                        " New tab with file
:tabe file.adoc                          " Short form

Ctrl-w T                                 " Move current window to new tab

:tab split                               " Current buffer in new tab
:tab help vim                            " Help in new tab
:tab terminal                            " Terminal in new tab

gt                                       " Next tab
gT                                       " Previous tab
:tabnext                                 " Next tab
:tabprev                                 " Previous tab

1gt                                      " Go to tab 1
2gt                                      " Go to tab 2
:tabnext 3                               " Go to tab 3

:tabfirst                                " First tab
:tablast                                 " Last tab

:tabclose                                " Close current tab
:tabc                                    " Short form

:tabonly                                 " Close all other tabs
:tabo                                    " Short form

:tabmove 0                               " Move to first position
:tabmove                                 " Move to last position
:tabmove +1                              " Move right
:tabmove -1                              " Move left

:tabs                                    " List all tabs and windows

:set showtabline=0                       " Never show
:set showtabline=1                       " Show if >1 tab (default)
:set showtabline=2                       " Always show

:tabdo %s/old/new/g                      " Substitute in all tabs
:tabdo update                            " Save all tabs

:args *.adoc | tab all                   " Open all adoc in tabs

nvim -p file1.adoc file2.adoc file3.adoc

nnoremap <leader>tn :tabnew<CR>
nnoremap <leader>tc :tabclose<CR>
nnoremap <leader>to :tabonly<CR>
nnoremap <leader>tm :tabmove<Space>

" Quick tab switching
nnoremap <leader>1 1gt
nnoremap <leader>2 2gt
nnoremap <leader>3 3gt
nnoremap <leader>4 4gt
nnoremap <leader>5 5gt

" Alt+number for tabs (terminal emulator)
nnoremap <A-1> 1gt
nnoremap <A-2> 2gt
nnoremap <A-3> 3gt

" Buffers: Different files in same project
" Windows: Viewing multiple files simultaneously
" Tabs: Different contexts/workspaces

" Workflow:
" - Many buffers
" - Few windows per tab
" - Few tabs (different tasks)