vim-tmux-runner.vim/plugin/vim-tmux-runner.vim
2012-11-24 11:55:27 -05:00

327 lines
9.5 KiB
VimL

" TODO: full command and option docs
" TODO: maximize command
" TODO: unlet s:pane on anything the detaches, kills, etc
" TODO: create pane if not already available when running sendcommand
" TODO: reattach pane rather than create if s:detached_window is set
" TODO: normalize naming, 'runner' not 'pane'
" TODO: update the clear sequence to use '^U^L'
" TODO: investigate occasional '[lost Server]' error from tmux
function! s:InitVariable(var, value)
if !exists(a:var)
let escaped_value = substitute(a:value, "'", "''", "g")
exec 'let ' . a:var . ' = ' . "'" . escaped_value . "'"
return 1
endif
return 0
endfunction
function! s:InitializeVariables()
call s:InitVariable("g:VtrPercentage", 20)
call s:InitVariable("g:VtrOrientation", "v")
call s:InitVariable("g:VtrInitialCommand", "")
call s:InitVariable("g:VtrClearBeforeSend", 1)
call s:InitVariable("g:VtrGitCdUpOnOpen", 1)
call s:InitVariable("g:VtrPrompt", "Command to run: ")
call s:InitVariable("g:VtrUseVtrMaps", 1)
call s:InitVariable("g:VtrClearOnResize", 1)
call s:InitVariable("g:VtrClearOnReorient", 1)
call s:InitVariable("g:VtrClearOnReattach", 1)
call s:InitVariable("g:VtrDetachedName", "VTR_Pane")
endfunction
function! s:OpenRunnerPane()
let s:vim_pane = s:ActiveTmuxPaneNumber()
let cmd = join(["split-window -p", g:VtrPercentage, "-".g:VtrOrientation])
call s:SendTmuxCommand(cmd)
let s:runner_pane = s:ActiveTmuxPaneNumber()
call s:FocusVimPane()
if g:VtrGitCdUpOnOpen
call s:GitCdUp()
endif
if g:VtrInitialCommand != ""
call s:SendKeys(g:VtrInitialCommand)
endif
endfunction
function! s:DetachRunnerPane()
if !s:RequireRunnerPane()
return
endif
call s:BreakRunnerPaneToTempWindow()
let cmd = join(["rename-window -t", s:detached_window, g:VtrDetachedName])
call s:SendTmuxCommand(cmd)
endfunction
function! s:RequireRunnerPane()
if !exists("s:runner_pane")
echohl ErrorMsg | echom "VTR: No runner pane attached." | echohl None
return 0
endif
return 1
endfunction
function! s:RequireDetachedPane()
if !exists("s:detached_window")
echohl ErrorMsg | echom "VTR: No detached runner pane." | echohl None
return 0
endif
return 1
endfunction
function! s:RequireLocalPaneOrDetached()
if !exists('s:detached_window') && !exists('s:runner_pane')
echohl ErrorMsg | echom "VTR: No pane, local or detached." | echohl None
return 0
endif
return 1
endfunction
function! s:KillLocalRunner()
let targeted_cmd = s:TargetedTmuxCommand("kill-pane", s:runner_pane)
call s:SendTmuxCommand(targeted_cmd)
unlet s:runner_pane
endfunction
function! s:KillDetachedWindow()
let cmd = join(["kill-window", '-t', s:detached_window])
call s:SendTmuxCommand(cmd)
unlet s:detached_window
endfunction
function! s:KillRunnerPane()
if !s:RequireLocalPaneOrDetached()
return
endif
if exists("s:runner_pane")
call s:KillLocalRunner()
else
call s:KillDetachedWindow()
endif
endfunction
function! s:ActiveTmuxPaneNumber()
for pane_title in s:TmuxPanes()
if pane_title =~ '\(active\)'
return pane_title[0]
endif
endfor
endfunction
function! s:TmuxPanes()
let panes = s:SendTmuxCommand("list-panes")
return split(panes, '\n')
endfunction
function! s:FocusTmuxPane(pane_number)
let targeted_cmd = s:TargetedTmuxCommand("select-pane", a:pane_number)
call s:SendTmuxCommand(targeted_cmd)
endfunction
function! s:RunnerPaneDimensions()
let panes = s:TmuxPanes()
for pane in panes
if pane =~ '^'.s:runner_pane
let pattern = s:runner_pane.': [\(\d\+\)x\(\d\+\)\]'
let pane_info = matchlist(pane, pattern)
return {'width': pane_info[1], 'height': pane_info[2]}
endif
endfor
endfunction
function! s:ResizeRunnerPane()
if !s:RequireRunnerPane()
return
endif
let new_percent = s:HighlightedPrompt("Runner screen percentage: ")
let pane_dimensions = s:RunnerPaneDimensions()
let expand = (eval(join([new_percent, '>', g:VtrPercentage])))
if g:VtrOrientation == "v"
let relevant_dimension = pane_dimensions['height']
let direction = expand ? '-U' : '-D'
else
let relevant_dimension = pane_dimensions['width']
let direction = expand ? '-L' : '-R'
endif
let inputs = [relevant_dimension, '*', new_percent,
\ '/', g:VtrPercentage]
let new_lines = eval(join(inputs)) " Not sure why I need to use eval...?
let lines_delta = abs(relevant_dimension - new_lines)
let targeted_cmd = s:TargetedTmuxCommand("resize-pane", s:runner_pane)
let full_command = join([targeted_cmd, direction, lines_delta])
call s:SendTmuxCommand(full_command)
let g:VtrPercentage = new_percent
if g:VtrClearOnResize
call s:SendClearSequence()
endif
endfunction
function! s:FocusRunnerPane()
call s:EnsureRunnerPane()
call s:FocusTmuxPane(s:runner_pane)
endfunction
function! s:SendTmuxCommand(command)
let prefixed_command = "tmux " . a:command
return system(prefixed_command)
endfunction
function! s:TargetedTmuxCommand(command, target_pane)
return a:command . " -t " . a:target_pane
endfunction
function! s:_SendKeys(keys)
let targeted_cmd = s:TargetedTmuxCommand("send-keys", s:runner_pane)
let full_command = join([targeted_cmd, a:keys])
call s:SendTmuxCommand(full_command)
endfunction
function! s:SendKeys(keys)
call s:_SendKeys(a:keys)
call s:SendEnterSequence()
endfunction
function! s:SendEnterSequence()
call s:_SendKeys("Enter")
endfunction
function! s:SendClearSequence()
if !s:RequireRunnerPane()
return
endif
call s:SendKeys("clear")
sleep 50m
endfunction
function! s:GitCdUp()
let git_repo_check = "git rev-parse --git-dir > /dev/null 2>&1"
let cdup_cmd = "cd './'$(git rev-parse --show-cdup)"
let cmd = shellescape(join([git_repo_check, '&&', cdup_cmd]))
call s:SendKeys(cmd)
call s:SendClearSequence()
endfunction
function! s:FocusVimPane()
call s:FocusTmuxPane(s:vim_pane)
endfunction
function! s:LastWindowNumber()
return split(s:SendTmuxCommand("list-windows"), '\n')[-1][0]
endfunction
function! s:ToggleOrientationVariable()
let g:VtrOrientation = (g:VtrOrientation == "v" ? "h" : "v")
endfunction
function! s:BreakRunnerPaneToTempWindow()
let targeted_cmd = s:TargetedTmuxCommand("break-pane", s:runner_pane)
let full_command = join([targeted_cmd, "-d"])
call s:SendTmuxCommand(full_command)
let s:detached_window = s:LastWindowNumber()
unlet s:runner_pane
endfunction
function! s:_ReattachPane()
let join_cmd = join(["join-pane", "-s", ":".s:detached_window.".0",
\ "-p", g:VtrPercentage, "-".g:VtrOrientation])
call s:SendTmuxCommand(join_cmd)
unlet s:detached_window
let s:runner_pane = s:ActiveTmuxPaneNumber()
endfunction
function! s:ReattachPane()
if !s:RequireDetachedPane()
return
endif
call s:_ReattachPane()
call s:FocusVimPane()
if g:VtrClearOnReattach
call s:SendClearSequence()
endif
endfunction
function! s:ReorientRunner()
if !s:RequireRunnerPane()
return
endif
let temp_window = s:BreakRunnerPaneToTempWindow()
call s:ToggleOrientationVariable()
call s:_ReattachPane()
call s:FocusVimPane()
if g:VtrClearOnReorient
call s:SendClearSequence()
endif
endfunction
function! s:HighlightedPrompt(prompt)
echohl String | let input = shellescape(input(a:prompt)) | echohl None
return input
endfunction
function! s:FlushCommand()
if exists("s:user_command")
unlet s:user_command
endif
endfunction
function! s:SendCommandToRunner()
call s:EnsureRunnerPane()
if !exists("s:user_command")
let s:user_command = s:HighlightedPrompt(g:VtrPrompt)
endif
if g:VtrClearBeforeSend
call s:SendClearSequence()
endif
call s:SendKeys(s:user_command)
endfunction
function! s:DefineCommands()
command! VTROpenRunner :call s:EnsureRunnerPane()
command! VTRKillRunner :call s:KillRunnerPane()
command! VTRFocusRunnerPane :call s:FocusRunnerPane()
command! VTRSendCommandToRunner :call s:SendCommandToRunner()
command! VTRReorientRunner :call s:ReorientRunner()
command! VTRResizePane :call s:ResizeRunnerPane()
command! VTRDetachPane :call s:DetachRunnerPane()
command! VTRReattachPane :call s:ReattachPane()
command! VTRClearRunner :call s:SendClearSequence()
command! VTRFlushCommand :call s:FlushCommand()
endfunction
function! s:DefineKeymaps()
if g:VtrUseVtrMaps
nmap ,rr :VTRResizePane<cr>
nmap ,ror :VTRReorientRunner<cr>
nmap ,sc :VTRSendCommandToRunner<cr>
nmap ,or :VTROpenRunner<cr>
nmap ,kr :VTRKillRunner<cr>
nmap ,fr :VTRFocusRunnerPane<cr>
nmap ,dr :VTRDetachPane<cr>
nmap ,ar :VTRReattachPane<cr>
nmap ,cr :VTRClearRunner<cr>
nmap ,fc :VTRFlushCommand<cr>
endif
endfunction
function! s:EnsureRunnerPane()
if exists('s:detached_window')
call s:ReattachPane()
elseif exists('s:runner_pane')
return
else
call s:OpenRunnerPane()
endif
endfunction
function! VTRSendCommand(command)
call s:EnsureRunnerPane()
let escaped_command = shellescape(a:command)
call s:SendKeys(escaped_command)
endfunction
call s:InitializeVariables()
call s:DefineCommands()
call s:DefineKeymaps()
" vim: set fdm=marker