849 lines
35 KiB
Text
849 lines
35 KiB
Text
*airline.txt* Lean and mean status/tabline that's light as air
|
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*airline*
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_ _ _ _ ~
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__ _(_)_ __ ___ __ _(_)_ __| (_)_ __ ___ ~
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\ \ / / | '_ ` _ \ _____ / _` | | '__| | | '_ \ / _ \ ~
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\ V /| | | | | | |_____| (_| | | | | | | | | | __/ ~
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\_/ |_|_| |_| |_| \__,_|_|_| |_|_|_| |_|\___| ~
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~
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==============================================================================
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CONTENTS *airline-contents*
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01. Intro ............................................... |airline-intro|
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02. Features ......................................... |airline-features|
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03. Name ................................................. |airline-name|
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04. Configuration ............................... |airline-configuration|
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05. Commands ......................................... |airline-commands|
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06. Autocommands ................................. |airline-autocommands|
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07. Customization ............................... |airline-customization|
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08. Extensions ..................................... |airline-extensions|
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09. Advanced Customization ............. |airline-advanced-customization|
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10. Funcrefs ......................................... |airline-funcrefs|
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11. Pipeline ......................................... |airline-pipeline|
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12. Writing Extensions ..................... |airline-writing-extensions|
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13. Writing Themes ..................................... |airline-themes|
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14. Troubleshooting ........................... |airline-troubleshooting|
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15. Contributions ............................... |airline-contributions|
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16. License ........................................... |airline-license|
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==============================================================================
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INTRODUCTION *airline-intro*
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vim-airline is a fast and lightweight alternative to powerline, written
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in 100% vimscript with no outside dependencies.
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==============================================================================
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FEATURES *airline-features*
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* tiny core written with extensibility in mind.
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* integrates with many popular plugins.
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* looks good with regular fonts, and provides configuration points so you
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can use unicode or powerline symbols.
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* optimized for speed; it loads in under a millisecond.
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* fully customizable; if you know a little 'statusline' syntax you can
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tweak it to your needs.
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* extremely easy to write themes.
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==============================================================================
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NAME *airline-name*
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Where did the name come from?
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I wrote this on an airplane, and since it's light as air it turned out to be a
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good name :-)
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==============================================================================
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CONFIGURATION *airline-configuration*
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There are a couple configuration values available (shown with their default
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values):
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* the separator used on the left side >
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let g:airline_left_sep='>'
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<
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* the separator used on the right side >
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let g:airline_right_sep='<'
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<
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* enable modified detection >
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let g:airline_detect_modified=1
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* enable paste detection >
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let g:airline_detect_paste=1
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<
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* enable iminsert detection >
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let g:airline_detect_iminsert=0
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<
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* determine whether inactive windows should have the left section collapsed to
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only the filename of that buffer. >
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let g:airline_inactive_collapse=1
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<
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* themes are automatically selected based on the matching colorscheme. this
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can be overridden by defining a value. >
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let g:airline_theme=
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<
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* if you want to patch the airline theme before it gets applied, you can
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supply the name of a function where you can modify the palette. >
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let g:airline_theme_patch_func = 'AirlineThemePatch'
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function! AirlineThemePatch(palette)
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if g:airline_theme == 'badwolf'
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for colors in values(a:palette.inactive)
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let colors[3] = 245
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endfor
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endif
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endfunction
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<
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* enable/disable automatic population of the `g:airline_symbols` dictionary
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with powerline symbols. >
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let g:airline_powerline_fonts=0
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<
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* define the set of text to display for each mode. >
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let g:airline_mode_map = {} " see source for the defaults
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" or copy paste the following into your vimrc for shortform text
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let g:airline_mode_map = {
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\ '__' : '-',
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\ 'n' : 'N',
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\ 'i' : 'I',
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\ 'R' : 'R',
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\ 'c' : 'C',
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\ 'v' : 'V',
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\ 'V' : 'V',
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\ '' : 'V',
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\ 's' : 'S',
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\ 'S' : 'S',
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\ '' : 'S',
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\ }
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<
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* define the set of filename match queries which excludes a window from having
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its statusline modified >
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let g:airline_exclude_filenames = [] " see source for current list
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<
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* define the set of filetypes which are excluded from having its window
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statusline modified >
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let g:airline_exclude_filetypes = [] " see source for current list
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<
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* defines whether the preview window should be excluded from have its window
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statusline modified (may help with plugins which use the preview window
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heavily) >
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let g:airline_exclude_preview = 0
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<
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* disable the Airline customization for selective windows (this is a
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window-local variable so you can disable it for only some windows) >
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let w:airline_disabled = 1
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<
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==============================================================================
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COMMANDS *airline-commands*
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:AirlineTheme {theme-name} *:AirlineTheme*
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Displays or changes the current theme.
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:AirlineToggleWhitespace *:AirlineToggleWhitespace*
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Toggles whitespace detection.
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:AirlineToggle *:AirlineToggle*
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Toggles between the standard 'statusline' and airline.
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:AirlineRefresh *:AirlineRefresh*
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Refreshes all highlight groups and redraws the statusline.
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==============================================================================
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AUTOCOMMANDS *airline-autocommands*
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Airline comes with some user-defined autocommands.
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|AirlineAfterInit| after plugin is initialized, but before the statusline
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is replaced
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|AirlineToggledOn| after airline is activated and replaced the statusline
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|AirlineToggledOff| after airline is deactivated and the statusline is
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restored to the original
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==============================================================================
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CUSTOMIZATION *airline-customization*
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The following are some unicode symbols for customizing the left/right
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separators, as well as the powerline font glyths.
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Note: You must define the dictionary first before setting values. Also, it's a
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good idea to check whether if it exists as to avoid accidentally overwritting
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its contents. >
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if !exists('g:airline_symbols')
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let g:airline_symbols = {}
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endif
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" unicode symbols
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let g:airline_left_sep = '»'
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let g:airline_left_sep = '▶'
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let g:airline_right_sep = '«'
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let g:airline_right_sep = '◀'
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let g:airline_symbols.linenr = '␊'
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let g:airline_symbols.linenr = ''
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let g:airline_symbols.linenr = '¶'
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let g:airline_symbols.branch = '⎇'
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let g:airline_symbols.paste = 'ρ'
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let g:airline_symbols.paste = 'Þ'
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let g:airline_symbols.paste = '∥'
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let g:airline_symbols.whitespace = 'Ξ'
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" powerline symbols
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let g:airline_left_sep = ''
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let g:airline_left_alt_sep = ''
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let g:airline_right_sep = ''
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let g:airline_right_alt_sep = ''
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let g:airline_symbols.branch = ''
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let g:airline_symbols.readonly = ''
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let g:airline_symbols.linenr = ''
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" old vim-powerline symbols
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let g:airline_left_sep = '⮀'
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let g:airline_left_alt_sep = '⮁'
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let g:airline_right_sep = '⮂'
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let g:airline_right_alt_sep = '⮃'
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let g:airline_symbols.branch = '⭠'
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let g:airline_symbols.readonly = '⭤'
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let g:airline_symbols.linenr = '⭡'
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<
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For more intricate customizations, you can replace the predefined sections
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with the usual statusline syntax.
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Note: If you define any section variables it will replace the default values
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entirely. If you want to disable only certain parts of a section you can try
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using variables defined in the |airline-configuration| or |airline-extensions|
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section.
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>
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variable names default contents
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----------------------------------------------------------------------------
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let g:airline_section_a (mode, paste, iminsert)
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let g:airline_section_b (hunks, branch)
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let g:airline_section_c (bufferline or filename)
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let g:airline_section_gutter (readonly, csv)
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let g:airline_section_x (tagbar, filetype, virtualenv)
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let g:airline_section_y (fileencoding, fileformat)
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let g:airline_section_z (percentage, line number, column number)
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let g:airline_section_warning (syntastic, whitespace)
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" here is an example of how you could replace the branch indicator with
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" the current working directory, followed by the filename.
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let g:airline_section_b = '%{getcwd()}'
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let g:airline_section_c = '%t'
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<
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==============================================================================
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EXTENSIONS *airline-extensions*
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Most extensions are enabled by default and lazily loaded when the
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corresponding plugin (if any) is detected.
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By default, airline will attempt to load any extension it can find in the
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'runtimepath'. On some systems this can result in an undersirable startup
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cost. You can disable the check with the following flag. >
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let g:airline#extensions#disable_rtp_load = 1
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<
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Note: Third party plugins that rely on this behavior will be affected. You
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will need to manually load them.
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Alternatively, if you want a minimalistic setup and would rather opt-in which
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extensions get loaded instead of disabling each individually, you can declare
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the following list variable: >
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" an empty list disables all extensions
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let g:airline_extensions = []
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" or only load what you want
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let g:airline_extensions = ['branch', 'tabline']
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<
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------------------------------------- *airline-default*
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The default extension understands all of the `g:` variables in the
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|airline-configuration| section, however it also has some more fine-tuned
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configuration values that you can use.
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* control which sections get truncated and at what width. >
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let g:airline#extensions#default#section_truncate_width = {
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\ 'b': 79,
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\ 'x': 60,
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\ 'y': 88,
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\ 'z': 45,
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\ }
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" Note: set to an empty dictionary to disable truncation.
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let g:airline#extensions#default#section_truncate_width = {}
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<
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* configure the layout of the sections by specificing an array of two arrays
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(first array is the left side, second array is the right side). >
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let g:airline#extensions#default#layout = [
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\ [ 'a', 'b', 'c' ],
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\ [ 'x', 'y', 'z', 'warning' ]
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\ ]
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<
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------------------------------------- *airline-quickfix*
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The quickfix extension is a simple built-in extension which determines
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whether the buffer is a quickfix or location list buffer, and adjusts the
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title accordingly.
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* configure the title text for quickfix buffers >
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let g:airline#extensions#quickfix#quickfix_text = 'Quickfix'
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<
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* configure the title text for location list buffers >
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let g:airline#extensions#quickfix#location_text = 'Location'
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<
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||
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------------------------------------- *airline-bufferline*
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vim-bufferline <https://github.com/bling/vim-bufferline>
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* enable/disable bufferline integration >
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let g:airline#extensions#bufferline#enabled = 1
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<
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* determine whether bufferline will overwrite customization variables >
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let g:airline#extensions#bufferline#overwrite_variables = 1
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<
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------------------------------------- *airline-branch*
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fugitive.vim <https://github.com/tpope/vim-fugitive>
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lawrencium <https://bitbucket.org/ludovicchabant/vim-lawrencium>
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vcscommand <http://www.vim.org/scripts/script.php?script_id=90>
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* enable/disable fugitive/lawrencium integration >
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let g:airline#extensions#branch#enabled = 1
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<
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* change the text for when no branch is detected >
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let g:airline#extensions#branch#empty_message = ''
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<
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* use vcscommand.vim if available >
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let g:airline#extensions#branch#use_vcscommand = 0
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<
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* truncate long branch names to a fixed length >
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let g:airline#extensions#branch#displayed_head_limit = 10
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<
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* customize formatting of branch name >
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" default value leaves the name unmodifed
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let g:airline#extensions#branch#format = 0
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" to only show the tail, e.g. a branch 'feature/foo' show 'foo'
|
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let g:airline#extensions#branch#format = 1
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" if a string is provided, it should be the name of a function that
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" takes a string and returns the desired value
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let g:airline#extensions#branch#format = 'CustomBranchName'
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function! CustomBranchName(name)
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return '[' . a:name . ']'
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endfunction
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<
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------------------------------------- *airline-syntastic*
|
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syntastic <https://github.com/scrooloose/syntastic>
|
||
|
||
* enable/disable syntastic integration >
|
||
let g:airline#extensions#syntastic#enabled = 1
|
||
<
|
||
------------------------------------- *airline-tagbar*
|
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tagbar <https://github.com/majutsushi/tagbar>
|
||
|
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* enable/disable tagbar integration >
|
||
let g:airline#extensions#tagbar#enabled = 1
|
||
<
|
||
* change how tags are displayed (:help tagbar-statusline) >
|
||
let g:airline#extensions#tagbar#flags = '' (default)
|
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let g:airline#extensions#tagbar#flags = 'f'
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let g:airline#extensions#tagbar#flags = 's'
|
||
let g:airline#extensions#tagbar#flags = 'p'
|
||
<
|
||
------------------------------------- *airline-csv*
|
||
csv.vim <https://github.com/chrisbra/csv.vim>
|
||
|
||
* enable/disable csv integration for displaying the current column. >
|
||
let g:airline#extensions#csv#enabled = 1
|
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<
|
||
* change how columns are displayed. >
|
||
let g:airline#extensions#csv#column_display = 'Number' (default)
|
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let g:airline#extensions#csv#column_display = 'Name'
|
||
<
|
||
------------------------------------- *airline-hunks*
|
||
vim-gitgutter <https://github.com/airblade/vim-gitgutter>
|
||
vim-signify <https://github.com/mhinz/vim-signify>
|
||
changesPlugin <https://github.com/chrisbra/changesPlugin>
|
||
|
||
* enable/disable showing a summary of changed hunks under source control. >
|
||
let g:airline#extensions#hunks#enabled = 1
|
||
<
|
||
* enable/disable showing only non-zero hunks. >
|
||
let g:airline#extensions#hunks#non_zero_only = 0
|
||
<
|
||
* set hunk count symbols. >
|
||
let g:airline#extensions#hunks#hunk_symbols = ['+', '~', '-']
|
||
<
|
||
------------------------------------- *airline-ctrlp*
|
||
ctrlp <https://github.com/kien/ctrlp.vim>
|
||
|
||
* configure which mode colors should ctrlp window use (takes effect
|
||
only if the active airline theme doesn't define ctrlp colors) >
|
||
let g:airline#extensions#ctrlp#color_template = 'insert' (default)
|
||
let g:airline#extensions#ctrlp#color_template = 'normal'
|
||
let g:airline#extensions#ctrlp#color_template = 'visual'
|
||
let g:airline#extensions#ctrlp#color_template = 'replace'
|
||
<
|
||
|
||
* configure whether to show the previous and next modes (mru, buffer, etc...)
|
||
>
|
||
let g:airline#extensions#ctrlp#show_adjacent_modes = 1
|
||
<
|
||
------------------------------------- *airline-virtualenv*
|
||
virtualenv <https://github.com/jmcantrell/vim-virtualenv>
|
||
|
||
* enable/disable virtualenv integration >
|
||
let g:airline#extensions#virtualenv#enabled = 1
|
||
<
|
||
------------------------------------- *airline-eclim*
|
||
eclim <https://eclim.org>
|
||
|
||
* enable/disable eclim integration, which works well with the
|
||
|airline-syntastic| extension. >
|
||
let g:airline#extensions#eclim#enabled = 1
|
||
|
||
------------------------------------- *airline-whitespace*
|
||
* enable/disable detection of whitespace errors. >
|
||
let g:airline#extensions#whitespace#enabled = 1
|
||
<
|
||
* customize the type of mixed indent checking to perform. >
|
||
" must be all spaces or all tabs before the first non-whitespace character
|
||
let g:airline#extensions#whitespace#mixed_indent_algo = 0 (default)
|
||
|
||
" certain number of spaces are allowed after tabs, but not in between
|
||
" this algorithm works well for /** */ style comments in a tab-indented file
|
||
let g:airline#extensions#whitespace#mixed_indent_algo = 1
|
||
<
|
||
* customize the whitespace symbol. >
|
||
let g:airline#extensions#whitespace#symbol = '!'
|
||
<
|
||
* configure which whitespace checks to enable. >
|
||
let g:airline#extensions#whitespace#checks = [ 'indent', 'trailing' ]
|
||
<
|
||
* configure the maximum number of lines where whitespace checking is enabled. >
|
||
let g:airline#extensions#whitespace#max_lines = 20000
|
||
<
|
||
* configure whether a message should be displayed. >
|
||
let g:airline#extensions#whitespace#show_message = 1
|
||
<
|
||
* configure the formatting of the warning messages. >
|
||
let g:airline#extensions#whitespace#trailing_format = 'trailing[%s]'
|
||
let g:airline#extensions#whitespace#mixed_indent_format = 'mixed-indent[%s]'
|
||
<
|
||
------------------------------------- *airline-tabline*
|
||
* enable/disable enhanced tabline. >
|
||
let g:airline#extensions#tabline#enabled = 0
|
||
<
|
||
* enable/disable displaying buffers with a single tab. >
|
||
let g:airline#extensions#tabline#show_buffers = 1
|
||
<
|
||
* enable/disable displaying tabs, regardless of number. >
|
||
let g:airline#extensions#tabline#show_tabs = 1
|
||
<
|
||
* configure filename match rules to exclude from the tabline. >
|
||
let g:airline#extensions#tabline#excludes = []
|
||
<
|
||
* configure how numbers are displayed in tab mode. >
|
||
let g:airline#extensions#tabline#tab_nr_type = 0 " # of splits (default)
|
||
let g:airline#extensions#tabline#tab_nr_type = 1 " tab number
|
||
let g:airline#extensions#tabline#tab_nr_type = 2 " splits and tab number
|
||
<
|
||
* enable/disable displaying tab number in tabs mode. >
|
||
let g:airline#extensions#tabline#show_tab_nr = 1
|
||
|
||
* enable/disable displaying tab type (far right)
|
||
let g:airline#extensions#tabline#show_tab_type = 1
|
||
|
||
* enable/disable displaying index of the buffer.
|
||
|
||
When enabled, numbers will be displayed in the tabline and mappings will be
|
||
exposed to allow you to select a buffer directly. Up to 9 mappings will be
|
||
exposed.
|
||
|
||
let g:airline#extensions#tabline#buffer_idx_mode = 1
|
||
nmap <leader>1 <Plug>AirlineSelectTab1
|
||
nmap <leader>2 <Plug>AirlineSelectTab2
|
||
nmap <leader>3 <Plug>AirlineSelectTab3
|
||
nmap <leader>4 <Plug>AirlineSelectTab4
|
||
nmap <leader>5 <Plug>AirlineSelectTab5
|
||
nmap <leader>6 <Plug>AirlineSelectTab6
|
||
nmap <leader>7 <Plug>AirlineSelectTab7
|
||
nmap <leader>8 <Plug>AirlineSelectTab8
|
||
nmap <leader>9 <Plug>AirlineSelectTab9
|
||
|
||
Note: Mappings will be ignored within a NERDTree buffer.
|
||
|
||
* defines the name of a formatter for how buffer names are displayed. >
|
||
let g:airline#extensions#tabline#formatter = 'default'
|
||
|
||
" here is how you can define a 'foo' formatter:
|
||
function! airline#extensions#tabline#foo#format(bufnr, buffers)
|
||
return fnamemodify(bufname(a:bufnr), ':t')
|
||
endfunction
|
||
let g:airline#extensions#tabline#formatter = 'foo'
|
||
<
|
||
Note: the following variables are only used by the 'default' formatter.
|
||
|
||
* configure whether buffer numbers should be shown. >
|
||
let g:airline#extensions#tabline#buffer_nr_show = 0
|
||
<
|
||
* configure how buffer numbers should be formatted with |printf|. >
|
||
let g:airline#extensions#tabline#buffer_nr_format = '%s: '
|
||
<
|
||
* configure the formatting of filenames (see |filename-modifiers|). >
|
||
let g:airline#extensions#tabline#fnamemod = ':p:.'
|
||
<
|
||
* configure collapsing parent directories in buffer name. >
|
||
let g:airline#extensions#tabline#fnamecollapse = 1
|
||
|
||
" The `unique_tail` algorithm will display the tail of the filename, unless
|
||
" there is another file of the same name, in which it will display it along
|
||
" with the containing parent directory.
|
||
let g:airline#extensions#tabline#formatter = 'unique_tail'
|
||
|
||
" The `unique_tail_improved` - another algorithm, that will smartly uniquify
|
||
" buffers names with similar filename, suppressing common parts of paths.
|
||
let g:airline#extensions#tabline#formatter = 'unique_tail_improved'
|
||
<
|
||
* configure the minimum number of buffers needed to show the tabline. >
|
||
let g:airline#extensions#tabline#buffer_min_count = 0
|
||
<
|
||
Note: this setting only applies to a single tab and when `show_buffers` is
|
||
true.
|
||
|
||
* configure the minimum number of tabs needed to show the tabline. >
|
||
let g:airline#extensions#tabline#tab_min_count = 0
|
||
<
|
||
Note: this setting only applies when `show_buffers` is false.
|
||
|
||
* configure separators for the tabline only. >
|
||
let g:airline#extensions#tabline#left_sep = ''
|
||
let g:airline#extensions#tabline#left_alt_sep = ''
|
||
let g:airline#extensions#tabline#right_sep = ''
|
||
let g:airline#extensions#tabline#right_alt_sep = ''
|
||
|
||
* configure whether close button should be shown
|
||
let g:airline#extensions#tabline#show_close_button = 1
|
||
|
||
* configure symbol used to represent close button
|
||
let g:airline#extensions#tabline#close_symbol = 'X'
|
||
|
||
<
|
||
Note: Enabling this extension will modify 'showtabline' and 'guioptions'.
|
||
|
||
------------------------------------- *airline-tmuxline*
|
||
tmuxline <https://github.com/edkolev/tmuxline.vim>
|
||
|
||
* enable/disable tmuxline integration >
|
||
let g:airline#extensions#tmuxline#enabled = 0
|
||
<
|
||
* configure which mode colors should be used in tmux statusline >
|
||
let airline#extensions#tmuxline#color_template = 'normal' (default)
|
||
let airline#extensions#tmuxline#color_template = 'insert'
|
||
let airline#extensions#tmuxline#color_template = 'visual'
|
||
let airline#extensions#tmuxline#color_template = 'replace'
|
||
<
|
||
* if specified, setting this option will trigger writing to the file whenever the
|
||
airline theme is applied, i.e. when :AirlineTheme is executed and on vim
|
||
startup >
|
||
airline#extensions#tmuxline#snapshot_file = "~/.tmux-statusline-colors.conf"
|
||
<
|
||
------------------------------------- *airline-promptline*
|
||
promptline <https://github.com/edkolev/promptline.vim>
|
||
|
||
* configure the path to the snapshot .sh file. Mandatory option. The created
|
||
file should be sourced by the shell on login >
|
||
" in .vimrc
|
||
airline#extensions#promptline#snapshot_file = "~/.shell_prompt.sh"
|
||
|
||
" in .bashrc/.zshrc
|
||
[ -f ~/.shell_prompt.sh ] && source ~/.shell_prompt.sh
|
||
<
|
||
* enable/disable promptline integration >
|
||
let g:airline#extensions#promptline#enabled = 0
|
||
<
|
||
* configure which mode colors should be used in prompt >
|
||
let airline#extensions#promptline#color_template = 'normal' (default)
|
||
let airline#extensions#promptline#color_template = 'insert'
|
||
let airline#extensions#promptline#color_template = 'visual'
|
||
let airline#extensions#promptline#color_template = 'replace'
|
||
<
|
||
------------------------------------- *airline-nrrwrgn*
|
||
NrrwRgn <https://github.com/chrisbra/NrrwRgn>
|
||
|
||
* enable/disable NrrwRgn integration >
|
||
let g:airline#extensions#nrrwrgn#enabled = 1
|
||
|
||
------------------------------------- *airline-capslock*
|
||
vim-capslock <https://github.com/tpope/vim-capslock>
|
||
|
||
* enable/disable vim-capslock integration >
|
||
let g:airline#extensions#capslock#enabled = 1
|
||
|
||
------------------------------------- *airline-windowswap*
|
||
vim-windowswap <https://github.com/wesQ3/vim-windowswap>
|
||
|
||
* enable/disable vim-windowswap integration >
|
||
let g:airline#extensions#windowswap#enabled = 1
|
||
|
||
* set marked window indicator string >
|
||
let g:airline#extensions#windowswap#indicator_text = 'WS'
|
||
<
|
||
------------------------------------- *airline-taboo*
|
||
taboo.vim <https://github.com/gcmt/taboo.vim>
|
||
|
||
* enable/disable taboo.vim integration >
|
||
let g:airline#extensions#taboo#enabled = 1
|
||
<
|
||
------------------------------------- *airline-ctrlspace*
|
||
vim-ctrlspace <https://github.com/szw/vim-ctrlspace>
|
||
|
||
* enable/disable vim-ctrlspace integration >
|
||
let g:airline#extensions#ctrlspace#enabled = 1
|
||
<
|
||
==============================================================================
|
||
ADVANCED CUSTOMIZATION *airline-advanced-customization*
|
||
|
||
The defaults will accomodate the mass majority of users with minimal
|
||
configuration. However, if you want to reposition sections or contents you can
|
||
do so with built-in helper functions, which makes it possible to create
|
||
sections in a more declarative style.
|
||
|
||
------------------------------------- *airline-parts*
|
||
A part is something that contains metadata that eventually gets rendered into
|
||
the statusline. You can define parts that contain constant strings or
|
||
functions. Defining parts is needed if you want to use features like automatic
|
||
insertion of separators or hiding based on window width.
|
||
|
||
For example, this is how you would define a part function: >
|
||
call airline#parts#define_function('foo', 'GetFooText')
|
||
<
|
||
Here is how you would define a part that is visible only if the window width
|
||
greater than a minimum width. >
|
||
call airline#parts#define_minwidth('foo', 50)
|
||
<
|
||
Parts can be configured to be visible conditionally. >
|
||
call airline#parts#define_condition('foo', 'getcwd() =~ "work_dir"')
|
||
<
|
||
Note: Part definitions are combinative; e.g. the two examples above modify the
|
||
same `foo` part.
|
||
|
||
Note: Look at the source code and tests for the full API.
|
||
|
||
------------------------------------- *airline-predefined-parts*
|
||
Before is a list of parts that are predefined by vim-airline.
|
||
|
||
* `mode` displays the current mode
|
||
* `iminsert` displays the current insert method
|
||
* `paste` displays the paste indicator
|
||
* `filetype` displays the file type
|
||
* `readonly` displays the read only indicator
|
||
* `file` displays the filename and modified indicator
|
||
* `ffenc` displays the file format and encoding
|
||
|
||
And the following are defined for their respective extensions:
|
||
|
||
`hunks`, `branch`, `tagbar`, `syntastic`, `whitespace`
|
||
|
||
------------------------------------- *airline-accents*
|
||
Accents can be defined on any part, like so: >
|
||
call airline#parts#define_accent('foo', 'red')
|
||
<
|
||
This will override the colors of that part by using what is defined in that
|
||
particular accent. In the above example, the `red` accent is used, which means
|
||
regardless of which section the part is used in, it will have red foreground
|
||
colors instead of the section's default foreground color.
|
||
|
||
The following accents are defined by default. Themes can define their variants
|
||
of the colors, but defaults will be provided if missing. >
|
||
bold, italic, red, green, blue, yellow, orange, purple
|
||
<
|
||
The defaults configure the mode and line number parts to be bold, and the
|
||
readonly part to be red.
|
||
|
||
------------------------------------- *airline-sections*
|
||
Once a part is defined, you can use helper functions to generate the
|
||
statuslines for each section. For example, to use the part above, we could
|
||
define a section like this: >
|
||
function! AirlineInit()
|
||
let g:airline_section_a = airline#section#create(['mode', ' ', 'foo'])
|
||
let g:airline_section_b = airline#section#create_left(['ffenc','file'])
|
||
let g:airline_section_c = airline#section#create(['%{getcwd()}'])
|
||
endfunction
|
||
autocmd User AirlineAfterInit call AirlineInit()
|
||
<
|
||
This will create a section with the `mode`, followed by a space, and our `foo`
|
||
part in section `a`. Section `b` will have two parts with a left-side
|
||
separator. And section `c` will contain the current path. You may notice that
|
||
the space and cwd are not defined parts. For convenience, if a part of that
|
||
key does not exist, it will be inserted as is. The unit tests will be a good
|
||
resource for possibilities.
|
||
|
||
Note: The use of |VimEnter| is important, because most extensions are lazily
|
||
loaded, so we must give them a chance to define their parts before we can use
|
||
them.
|
||
|
||
Note: The `airline#section#create` function and friends will do its best to
|
||
create a section with the appropriate separators, but it only works for
|
||
function and text parts. Special 'statusline' items like %f or raw/undefined
|
||
parts will not work as it is not possible to inspect their widths/contents
|
||
before rendering to the statusline.
|
||
|
||
==============================================================================
|
||
FUNCREFS *airline-funcrefs*
|
||
|
||
vim-airline internally uses funcrefs to integrate with third party plugins,
|
||
and you can tap into this functionality to extend it for you needs. This is
|
||
the most powerful way to customize the statusline, and sometimes it may be
|
||
easier to go this route than the above methods.
|
||
|
||
Every section can have two values. The default value is the global `g:`
|
||
variable which is used in the absense of a `w:` value. This makes it very easy
|
||
to override only certain parts of the statusline by only defining window-local
|
||
variables for a subset of all sections.
|
||
|
||
------------------------------------- *add_statusline_func*
|
||
The following is an example of how you can extend vim-airline to support a
|
||
new plugin. >
|
||
function! MyPlugin(...)
|
||
if &filetype == 'MyPluginFileType'
|
||
let w:airline_section_a = 'MyPlugin'
|
||
let w:airline_section_b = '%f'
|
||
let w:airline_section_c = '%{MyPlugin#function()}'
|
||
let g:airline_variable_referenced_in_statusline = 'foo'
|
||
endif
|
||
endfunction
|
||
call airline#add_statusline_func('MyPlugin')
|
||
<
|
||
Notice that only the left side of the statusline is overwritten. This means
|
||
the right side (the line/column numbers, etc) will be intact.
|
||
|
||
------------------------------------- *remove_statusline_func*
|
||
You can also remove a function as well, which is useful for when you want a
|
||
temporary override. >
|
||
call airline#remove_statusline_func('MyPlugin')
|
||
<
|
||
|
||
==============================================================================
|
||
PIPELINE *airline-pipeline*
|
||
|
||
Sometimes you want to do more than just use overrides. The statusline funcref
|
||
is invoked and passed two arguments. The first of these arguments is the
|
||
statusline builder. You can use this to build completely custom statuslines
|
||
to your liking. Here is an example: >
|
||
>
|
||
function! MyPlugin(...)
|
||
" first variable is the statusline builder
|
||
let builder = a:1
|
||
|
||
" WARNING: the API for the builder is not finalized and may change
|
||
call builder.add_section('Normal', '%f')
|
||
call builder.add_section('WarningMsg', '%{getcwd()}')
|
||
call builder.split()
|
||
call builder.add_section('airline_z', '%p%%')
|
||
|
||
" tell the core to use the contents of the builder
|
||
return 1
|
||
endfunction
|
||
<
|
||
The above example uses various example highlight groups to demonstrate
|
||
that you can use any combination from the loaded colorscheme. However, if
|
||
you want colors to change between modes, you should use one of the section
|
||
highlight groups, e.g. `airline_a` and `airline_b`.
|
||
|
||
The second variable is the context, which is a dictionary containing various
|
||
values such as whether the statusline is active or not, and the window number.
|
||
>
|
||
context = {
|
||
'winnr': 'the window number for the statusline',
|
||
'active': 'whether the window is active or not',
|
||
'bufnr': 'the current buffer for this window',
|
||
}
|
||
<
|
||
------------------------------------- *airline-pipeline-return-codes*
|
||
The pipeline accepts various return codes and can be used to determine the
|
||
next action. The following are the supported codes: >
|
||
0 the default, continue on with the next funcref
|
||
-1 do not modify the statusline
|
||
1 modify the statusline with the current contents of the builder
|
||
<
|
||
Note: Any value other than 0 will halt the pipeline and prevent the next
|
||
funcref from executing.
|
||
|
||
==============================================================================
|
||
WRITING EXTENSIONS *airline-writing-extensions*
|
||
|
||
For contributions into the plugin, here are the following guidelines:
|
||
|
||
1. For simple 'filetype' checks, they can be added directly into the
|
||
`extensions.vim` file.
|
||
|
||
2. Pretty much everything else should live as a separate file under the
|
||
`extensions/` directory.
|
||
|
||
a. Inside `extensions.vim`, add a check for some variable or command that
|
||
is always available (these must be defined in `plugin/`, and _not_
|
||
`autoload/` of the other plugin). If it exists, then initialize the
|
||
extension. This ensures that the extension is loaded if and only if the
|
||
user has the other plugin installed. Also, a check to
|
||
`airline#extensions#foo_plugin#enabled` should be performed to allow the
|
||
user to disable it.
|
||
|
||
b. Configuration variables for the extension should reside in the
|
||
extension, e.g. `g:airline#extensions#foo_plugin#bar_variable`.
|
||
|
||
See the source of |example.vim| for documented code of how to write one.
|
||
Looking at the other extensions is also a good resource.
|
||
|
||
==============================================================================
|
||
WRITING THEMES *airline-themes*
|
||
|
||
Themes are written "close to the metal" -- you will need to know some basic
|
||
VimL syntax to write a theme, but if you've written in any programming
|
||
language before it will be easy to pick up.
|
||
|
||
The |dark.vim| theme fully documents this procedure and will guide you through
|
||
the process. The |jellybeans.vim| theme is another example of how to write a
|
||
theme, but instead of manually declaring colors, it extracts the values from
|
||
highlight groups.
|
||
|
||
==============================================================================
|
||
TROUBLESHOOTING *airline-troubleshooting*
|
||
|
||
Q. There are no colors.
|
||
A. You need to set up your terminal correctly. For more details, see
|
||
<http://vim.wikia.com/wiki/256_colors_in_vim>. Alternatively, if you want
|
||
to bypass the automatic detection of terminal colors, you can force Vim
|
||
into 256 color mode with this: >
|
||
set t_Co=256
|
||
<
|
||
Q. The statusline does not appear until I create a split.
|
||
A. This is the default setting of 'laststatus'. If you want it to appear all
|
||
the time, add the following to your vimrc: >
|
||
set laststatus=2
|
||
<
|
||
Q. Powerline symbols are not showing up.
|
||
A. First, you must install patched powerline fonts. Second, you must enable
|
||
unicode in vim. >
|
||
set encoding=utf-8
|
||
<
|
||
Q. There is a pause when leaving insert mode.
|
||
A. Add the following to your vimrc. >
|
||
set ttimeoutlen=50
|
||
<
|
||
Q. The colors look a little off for some themes.
|
||
A. Certain themes are derived from the active colorscheme by extracting colors
|
||
from predefined highlight groups. These airline themes will look good for
|
||
their intended matching colorschemes, but will be hit or miss when loaded
|
||
with other colorschemes.
|
||
|
||
|
||
Solutions to other common problems can be found in the Wiki:
|
||
<https://github.com/bling/vim-airline/wiki/FAQ>
|
||
|
||
==============================================================================
|
||
CONTRIBUTIONS *airline-contributions*
|
||
|
||
Contributions and pull requests are welcome.
|
||
|
||
==============================================================================
|
||
LICENSE *airline-license*
|
||
|
||
MIT License. Copyright © 2013-2015 Bailey Ling.
|
||
|
||
|
||
vim:tw=78:ts=8:ft=help:norl:
|