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< ol class = "chapter" > < li class = "chapter-item expanded " > < a href = "install.html" > < strong aria-hidden = "true" > 1.< / strong > Installation< / a > < / li > < li class = "chapter-item expanded " > < a href = "usage.html" > < strong aria-hidden = "true" > 2.< / strong > Usage< / a > < / li > < li class = "chapter-item expanded " > < a href = "configuration.html" > < strong aria-hidden = "true" > 3.< / strong > Configuration< / a > < / li > < li > < ol class = "section" > < li class = "chapter-item expanded " > < a href = "keymap.html" > < strong aria-hidden = "true" > 3.1.< / strong > Keymap< / a > < / li > < li class = "chapter-item expanded " > < a href = "remapping.html" > < strong aria-hidden = "true" > 3.2.< / strong > Key Remapping< / a > < / li > < li class = "chapter-item expanded " > < a href = "hooks.html" > < strong aria-hidden = "true" > 3.3.< / strong > Hooks< / a > < / li > < / ol > < / li > < / ol > < / div >
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< h1 id = "installation" > < a class = "header" href = "#installation" > Installation< / a > < / h1 >
< p > We provide pre-built binaries on the < a href = "https://github.com/helix-editor/helix/releases" > GitHub Releases page< / a > .< / p >
< h2 id = "osx" > < a class = "header" href = "#osx" > OSX< / a > < / h2 >
< p > TODO: brew tap< / p >
< p > Please use a pre-built binary release for the time being.< / p >
< h2 id = "linux" > < a class = "header" href = "#linux" > Linux< / a > < / h2 >
< h3 id = "nixos" > < a class = "header" href = "#nixos" > NixOS< / a > < / h3 >
< p > A < a href = "https://nixos.wiki/wiki/Flakes" > flake< / a > containing the package is available in
the project root. The flake can also be used to spin up a reproducible development
shell for working on Helix.< / p >
< h3 id = "arch-linux" > < a class = "header" href = "#arch-linux" > Arch Linux< / a > < / h3 >
< p > Binary packages are available on AUR:< / p >
< ul >
< li > < a href = "https://aur.archlinux.org/packages/helix-bin/" > helix-bin< / a > contains the pre-built release< / li >
< li > < a href = "https://aur.archlinux.org/packages/helix-git/" > helix-git< / a > builds the master branch< / li >
< / ul >
< h2 id = "build-from-source" > < a class = "header" href = "#build-from-source" > Build from source< / a > < / h2 >
< pre > < code > git clone --recurse-submodules --shallow-submodules -j8 https://github.com/helix-editor/helix
cd helix
cargo install --path helix-term
< / code > < / pre >
< p > This will install the < code > hx< / code > binary to < code > $HOME/.cargo/bin< / code > .< / p >
< p > Now copy the < code > runtime/< / code > directory somewhere. Helix will by default look for the
runtime inside the same folder as the executable, but that can be overriden via
the < code > HELIX_RUNTIME< / code > environment variable.< / p >
< p > If you want to embed the < code > runtime/< / code > directory into the Helix binary you can build
it with:< / p >
< pre > < code > cargo install --path helix-term --features " embed_runtime"
< / code > < / pre >
< div style = "break-before: page; page-break-before: always;" > < / div > < h1 id = "usage" > < a class = "header" href = "#usage" > Usage< / a > < / h1 >
< div style = "break-before: page; page-break-before: always;" > < / div > < h1 id = "configuration" > < a class = "header" href = "#configuration" > Configuration< / a > < / h1 >
< h2 id = "theme" > < a class = "header" href = "#theme" > Theme< / a > < / h2 >
< p > Use a custom theme by placing a theme.toml in your config directory (i.e ~/.config/helix/theme.toml). The default theme.toml can be found < a href = "https://github.com/helix-editor/helix/blob/master/theme.toml" > here< / a > , and user submitted themes < a href = "https://github.com/helix-editor/helix/blob/master/contrib/themes" > here< / a > .< / p >
< p > Styles in theme.toml are specified of in the form:< / p >
< pre > < code class = "language-toml" > key = { fg = " #ffffff" , bg = " #000000" , modifiers = [" bold" , " italic" ] }
< / code > < / pre >
< p > where < code > name< / code > represents what you want to style, < code > fg< / code > specifies the foreground color, < code > bg< / code > the background color, and < code > modifiers< / code > is a list of style modifiers. < code > bg< / code > and < code > modifiers< / code > can be omitted to defer to the defaults.< / p >
< p > To specify only the foreground color:< / p >
< pre > < code class = "language-toml" > key = " #ffffff"
< / code > < / pre >
< p > if the key contains a dot < code > '.'< / code > , it must be quoted to prevent it being parsed as a < a href = "https://toml.io/en/v1.0.0#keys" > dotted key< / a > .< / p >
< pre > < code class = "language-toml" > " key.key" = " #ffffff"
< / code > < / pre >
< p > Possible modifiers:< / p >
< table > < thead > < tr > < th > Modifier< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > bold< / code > < / td > < / tr >
< tr > < td > < code > dim< / code > < / td > < / tr >
< tr > < td > < code > italic< / code > < / td > < / tr >
< tr > < td > < code > underlined< / code > < / td > < / tr >
< tr > < td > < code > slow\_blink< / code > < / td > < / tr >
< tr > < td > < code > rapid\_blink< / code > < / td > < / tr >
< tr > < td > < code > reversed< / code > < / td > < / tr >
< tr > < td > < code > hidden< / code > < / td > < / tr >
< tr > < td > < code > crossed\_out< / code > < / td > < / tr >
< / tbody > < / table >
< p > Possible keys:< / p >
< table > < thead > < tr > < th > Key< / th > < th > Notes< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > attribute< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > keyword< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > keyword.directive< / code > < / td > < td > Preprocessor directives (#if in C)< / td > < / tr >
< tr > < td > < code > namespace< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > punctuation< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > punctuation.delimiter< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > operator< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > special< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > property< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > variable< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > variable.parameter< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > type< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > type.builtin< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > constructor< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > function< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > function.macro< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > function.builtin< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > comment< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > variable.builtin< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > constant< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > constant.builtin< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > string< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > number< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > escape< / code > < / td > < td > Escaped characters< / td > < / tr >
< tr > < td > < code > label< / code > < / td > < td > For lifetimes< / td > < / tr >
< tr > < td > < code > module< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.background< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.linenr< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.linenr.selected< / code > < / td > < td > For lines with cursors< / td > < / tr >
< tr > < td > < code > ui.statusline< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.popup< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.window< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.help< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.text< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.text.focus< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.menu.selected< / code > < / td > < td > < / td > < / tr >
< tr > < td > < code > ui.selection< / code > < / td > < td > For selections in the editing area< / td > < / tr >
< tr > < td > < code > warning< / code > < / td > < td > LSP warning< / td > < / tr >
< tr > < td > < code > error< / code > < / td > < td > LSP error< / td > < / tr >
< tr > < td > < code > info< / code > < / td > < td > LSP info< / td > < / tr >
< tr > < td > < code > hint< / code > < / td > < td > LSP hint< / td > < / tr >
< / tbody > < / table >
< p > These keys match < a href = "https://tree-sitter.github.io/tree-sitter/syntax-highlighting#theme" > tree-sitter scopes< / a > . We half-follow the common scopes from < a href = "https://macromates.com/manual/en/language_grammars" > macromates language grammars< / a > with some differences.< / p >
< p > For a given highlight produced, styling will be determined based on the longest matching theme key. So it's enough to provide function to highlight < code > function.macro< / code > and < code > function.builtin< / code > as well, but you can use more specific scopes to highlight specific cases differently.< / p >
< div style = "break-before: page; page-break-before: always;" > < / div > < h1 id = "keymap" > < a class = "header" href = "#keymap" > Keymap< / a > < / h1 >
< h2 id = "normal-mode" > < a class = "header" href = "#normal-mode" > Normal mode< / a > < / h2 >
< h3 id = "movement" > < a class = "header" href = "#movement" > Movement< / a > < / h3 >
< blockquote >
< p > NOTE: < code > f< / code > , < code > F< / code > , < code > t< / code > and < code > T< / code > are not confined to the current line.< / p >
< / blockquote >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > h< / code > , < code > Left< / code > < / td > < td > Move left< / td > < / tr >
< tr > < td > < code > j< / code > , < code > Down< / code > < / td > < td > Move down< / td > < / tr >
< tr > < td > < code > k< / code > , < code > Up< / code > < / td > < td > Move up< / td > < / tr >
< tr > < td > < code > l< / code > , < code > Right< / code > < / td > < td > Move right< / td > < / tr >
< tr > < td > < code > w< / code > < / td > < td > Move next word start< / td > < / tr >
< tr > < td > < code > b< / code > < / td > < td > Move previous word start< / td > < / tr >
< tr > < td > < code > e< / code > < / td > < td > Move next word end< / td > < / tr >
< tr > < td > < code > t< / code > < / td > < td > Find 'till next char< / td > < / tr >
< tr > < td > < code > f< / code > < / td > < td > Find next char< / td > < / tr >
< tr > < td > < code > T< / code > < / td > < td > Find 'till previous char< / td > < / tr >
< tr > < td > < code > F< / code > < / td > < td > Find previous char< / td > < / tr >
< tr > < td > < code > Home< / code > < / td > < td > Move to the start of the line< / td > < / tr >
< tr > < td > < code > End< / code > < / td > < td > Move to the end of the line< / td > < / tr >
< tr > < td > < code > m< / code > < / td > < td > Jump to matching bracket< / td > < / tr >
< tr > < td > < code > PageUp< / code > < / td > < td > Move page up< / td > < / tr >
< tr > < td > < code > PageDown< / code > < / td > < td > Move page down< / td > < / tr >
< tr > < td > < code > Ctrl-u< / code > < / td > < td > Move half page up< / td > < / tr >
< tr > < td > < code > Ctrl-d< / code > < / td > < td > Move half page down< / td > < / tr >
< tr > < td > < code > Ctrl-i< / code > < / td > < td > Jump forward on the jumplist TODO: conflicts tab< / td > < / tr >
< tr > < td > < code > Ctrl-o< / code > < / td > < td > Jump backward on the jumplist< / td > < / tr >
< tr > < td > < code > v< / code > < / td > < td > Enter < a href = "keymap.html#select--extend-mode" > select (extend) mode< / a > < / td > < / tr >
< tr > < td > < code > g< / code > < / td > < td > Enter < a href = "keymap.html#goto-mode" > goto mode< / a > < / td > < / tr >
< tr > < td > < code > :< / code > < / td > < td > Enter command mode< / td > < / tr >
< tr > < td > < code > z< / code > < / td > < td > Enter < a href = "keymap.html#view-mode" > view mode< / a > < / td > < / tr >
< tr > < td > < code > Ctrl-w< / code > < / td > < td > Enter < a href = "keymap.html#window-mode" > window mode< / a > (maybe will be remove for spc w w later)< / td > < / tr >
< tr > < td > < code > Space< / code > < / td > < td > Enter < a href = "keymap.html#space-mode" > space mode< / a > < / td > < / tr >
< tr > < td > < code > K< / code > < / td > < td > Show documentation for the item under the cursor< / td > < / tr >
< / tbody > < / table >
< h3 id = "changes" > < a class = "header" href = "#changes" > Changes< / a > < / h3 >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > r< / code > < / td > < td > Replace with a character< / td > < / tr >
< tr > < td > < code > R< / code > < / td > < td > Replace with yanked text< / td > < / tr >
< tr > < td > < code > i< / code > < / td > < td > Insert before selection< / td > < / tr >
< tr > < td > < code > a< / code > < / td > < td > Insert after selection (append)< / td > < / tr >
< tr > < td > < code > I< / code > < / td > < td > Insert at the start of the line< / td > < / tr >
< tr > < td > < code > A< / code > < / td > < td > Insert at the end of the line< / td > < / tr >
< tr > < td > < code > o< / code > < / td > < td > Open new line below selection< / td > < / tr >
< tr > < td > < code > o< / code > < / td > < td > Open new line above selection< / td > < / tr >
< tr > < td > < code > u< / code > < / td > < td > Undo change< / td > < / tr >
< tr > < td > < code > U< / code > < / td > < td > Redo change< / td > < / tr >
< tr > < td > < code > y< / code > < / td > < td > Yank selection< / td > < / tr >
< tr > < td > < code > p< / code > < / td > < td > Paste after selection< / td > < / tr >
< tr > < td > < code > P< / code > < / td > < td > Paste before selection< / td > < / tr >
< tr > < td > < code > > < / code > < / td > < td > Indent selection< / td > < / tr >
< tr > < td > < code > < < / code > < / td > < td > Unindent selection< / td > < / tr >
< tr > < td > < code > =< / code > < / td > < td > Format selection< / td > < / tr >
< tr > < td > < code > d< / code > < / td > < td > Delete selection< / td > < / tr >
< tr > < td > < code > c< / code > < / td > < td > Change selection (delete and enter insert mode)< / td > < / tr >
< / tbody > < / table >
< h3 id = "selection-manipulation" > < a class = "header" href = "#selection-manipulation" > Selection manipulation< / a > < / h3 >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > s< / code > < / td > < td > Select all regex matches inside selections< / td > < / tr >
< tr > < td > < code > S< / code > < / td > < td > Split selection into subselections on regex matches< / td > < / tr >
< tr > < td > < code > Alt-s< / code > < / td > < td > Split selection on newlines< / td > < / tr >
< tr > < td > < code > ;< / code > < / td > < td > Collapse selection onto a single cursor< / td > < / tr >
< tr > < td > < code > Alt-;< / code > < / td > < td > Flip selection cursor and anchor< / td > < / tr >
< tr > < td > < code > %< / code > < / td > < td > Select entire file< / td > < / tr >
< tr > < td > < code > x< / code > < / td > < td > Select current line< / td > < / tr >
< tr > < td > < code > X< / code > < / td > < td > Extend to next line< / td > < / tr >
< tr > < td > < code > [< / code > < / td > < td > Expand selection to parent syntax node TODO: pick a key< / td > < / tr >
< tr > < td > < code > J< / code > < / td > < td > join lines inside selection< / td > < / tr >
< tr > < td > < code > K< / code > < / td > < td > keep selections matching the regex TODO: overlapped by hover help< / td > < / tr >
< tr > < td > < code > Space< / code > < / td > < td > keep only the primary selection TODO: overlapped by space mode< / td > < / tr >
< tr > < td > < code > Ctrl-c< / code > < / td > < td > Comment/uncomment the selections< / td > < / tr >
< / tbody > < / table >
< h3 id = "search" > < a class = "header" href = "#search" > Search< / a > < / h3 >
< blockquote >
< p > TODO: The search implementation isn't ideal yet -- we don't support searching
in reverse, or searching via smartcase.< / p >
< / blockquote >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > /< / code > < / td > < td > Search for regex pattern< / td > < / tr >
< tr > < td > < code > n< / code > < / td > < td > Select next search match< / td > < / tr >
< tr > < td > < code > N< / code > < / td > < td > Add next search match to selection< / td > < / tr >
< tr > < td > < code > *< / code > < / td > < td > Use current selection as the search pattern< / td > < / tr >
< / tbody > < / table >
< h3 id = "diagnostics" > < a class = "header" href = "#diagnostics" > Diagnostics< / a > < / h3 >
< blockquote >
< p > NOTE: < code > [< / code > and < code > ]< / code > will likely contain more pair mappings in the style of
< a href = "https://github.com/tpope/vim-unimpaired" > vim-unimpaired< / a > < / p >
< / blockquote >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > [d< / code > < / td > < td > Go to previous diagnostic< / td > < / tr >
< tr > < td > < code > ]d< / code > < / td > < td > Go to next diagnostic< / td > < / tr >
< tr > < td > < code > [D< / code > < / td > < td > Go to first diagnostic in document< / td > < / tr >
< tr > < td > < code > ]D< / code > < / td > < td > Go to last diagnostic in document< / td > < / tr >
< / tbody > < / table >
< h2 id = "select--extend-mode" > < a class = "header" href = "#select--extend-mode" > Select / extend mode< / a > < / h2 >
< p > I'm still pondering whether to keep this mode or not. It changes movement
commands to extend the existing selection instead of replacing it.< / p >
< blockquote >
< p > NOTE: It's a bit confusing at the moment because extend hasn't been
implemented for all movement commands yet.< / p >
< / blockquote >
< h2 id = "view-mode" > < a class = "header" href = "#view-mode" > View mode< / a > < / h2 >
< p > View mode is intended for scrolling and manipulating the view without changing
the selection.< / p >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > z< / code > , < code > c< / code > < / td > < td > Vertically center the line< / td > < / tr >
< tr > < td > < code > t< / code > < / td > < td > Align the line to the top of the screen< / td > < / tr >
< tr > < td > < code > b< / code > < / td > < td > Align the line to the bottom of the screen< / td > < / tr >
< tr > < td > < code > m< / code > < / td > < td > Align the line to the middle of the screen (horizontally)< / td > < / tr >
< tr > < td > < code > j< / code > < / td > < td > Scroll the view downwards< / td > < / tr >
< tr > < td > < code > k< / code > < / td > < td > Scroll the view upwards< / td > < / tr >
< / tbody > < / table >
< h2 id = "goto-mode" > < a class = "header" href = "#goto-mode" > Goto mode< / a > < / h2 >
< p > Jumps to various locations.< / p >
< blockquote >
< p > NOTE: Some of these features are only available with the LSP present.< / p >
< / blockquote >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > g< / code > < / td > < td > Go to the start of the file< / td > < / tr >
< tr > < td > < code > e< / code > < / td > < td > Go to the end of the file< / td > < / tr >
< tr > < td > < code > h< / code > < / td > < td > Go to the start of the line< / td > < / tr >
< tr > < td > < code > l< / code > < / td > < td > Go to the end of the line< / td > < / tr >
< tr > < td > < code > s< / code > < / td > < td > Go to first non-whitespace character of the line< / td > < / tr >
< tr > < td > < code > t< / code > < / td > < td > Go to the top of the screen< / td > < / tr >
< tr > < td > < code > m< / code > < / td > < td > Go to the middle of the screen< / td > < / tr >
< tr > < td > < code > b< / code > < / td > < td > Go to the bottom of the screen< / td > < / tr >
< tr > < td > < code > d< / code > < / td > < td > Go to definition< / td > < / tr >
< tr > < td > < code > y< / code > < / td > < td > Go to type definition< / td > < / tr >
< tr > < td > < code > r< / code > < / td > < td > Go to references< / td > < / tr >
< tr > < td > < code > i< / code > < / td > < td > Go to implementation< / td > < / tr >
< tr > < td > < code > a< / code > < / td > < td > Go to the last accessed/alternate file< / td > < / tr >
< / tbody > < / table >
< h2 id = "object-mode" > < a class = "header" href = "#object-mode" > Object mode< / a > < / h2 >
< p > TODO: Mappings for selecting syntax nodes (a superset of < code > [< / code > ).< / p >
< h2 id = "window-mode" > < a class = "header" href = "#window-mode" > Window mode< / a > < / h2 >
< p > This layer is similar to vim keybindings as kakoune does not support window.< / p >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > w< / code > , < code > ctrl-w< / code > < / td > < td > Switch to next window< / td > < / tr >
< tr > < td > < code > v< / code > , < code > ctrl-v< / code > < / td > < td > Vertical right split< / td > < / tr >
< tr > < td > < code > h< / code > , < code > ctrl-h< / code > < / td > < td > Horizontal bottom split< / td > < / tr >
< tr > < td > < code > q< / code > , < code > ctrl-q< / code > < / td > < td > Close current window< / td > < / tr >
< / tbody > < / table >
< h2 id = "space-mode" > < a class = "header" href = "#space-mode" > Space mode< / a > < / h2 >
< p > This layer is a kludge of mappings I had under leader key in neovim.< / p >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > f< / code > < / td > < td > Open file picker< / td > < / tr >
< tr > < td > < code > b< / code > < / td > < td > Open buffer picker< / td > < / tr >
< tr > < td > < code > s< / code > < / td > < td > Open symbol picker (current document)< / td > < / tr >
< tr > < td > < code > w< / code > < / td > < td > Enter < a href = "keymap.html#window-mode" > window mode< / a > < / td > < / tr >
< tr > < td > < code > space< / code > < / td > < td > Keep primary selection TODO: it's here because space mode replaced it< / td > < / tr >
< / tbody > < / table >
< h1 id = "picker" > < a class = "header" href = "#picker" > Picker< / a > < / h1 >
< p > Keys to use within picker.< / p >
< table > < thead > < tr > < th > Key< / th > < th > Description< / th > < / tr > < / thead > < tbody >
< tr > < td > < code > Up< / code > , < code > Ctrl-p< / code > < / td > < td > Previous entry< / td > < / tr >
< tr > < td > < code > Down< / code > , < code > Ctrl-n< / code > < / td > < td > Next entry< / td > < / tr >
< tr > < td > < code > Ctrl-space< / code > < / td > < td > Filter options< / td > < / tr >
< tr > < td > < code > Enter< / code > < / td > < td > Open selected< / td > < / tr >
< tr > < td > < code > Ctrl-h< / code > < / td > < td > Open horizontally< / td > < / tr >
< tr > < td > < code > Ctrl-v< / code > < / td > < td > Open vertically< / td > < / tr >
< tr > < td > < code > Escape< / code > , < code > ctrl-c< / code > < / td > < td > Close picker< / td > < / tr >
< / tbody > < / table >
< div style = "break-before: page; page-break-before: always;" > < / div > < h1 id = "key-remapping" > < a class = "header" href = "#key-remapping" > Key Remapping< / a > < / h1 >
< p > One-way key remapping is temporarily supported via a simple TOML configuration
file. (More powerful solutions such as rebinding via commands will be
available in the feature).< / p >
< p > To remap keys, write a < code > config.toml< / code > file in your < code > helix< / code > configuration
directory (default < code > ~/.config/helix< / code > in Linux systems) with a structure like
this:< / p >
< pre > < code class = "language-toml" > # At most one section each of 'keys.normal', 'keys.insert' and 'keys.select'
[keys.normal]
a = " move_char_left" # Maps the 'a' key to the move_char_left command
w = " move_line_up" # Maps the 'w' key move_line_up
C-S-esc = " select_line" # Maps Control-Shift-Escape to select_line
[keys.insert]
A-x = " normal_mode" # Maps Alt-X to enter normal mode
< / code > < / pre >
< p > Control, Shift and Alt modifiers are encoded respectively with the prefixes
< code > C-< / code > , < code > S-< / code > and < code > A-< / code > . Special keys are encoded as follows:< / p >
< ul >
< li > Backspace => " backspace" < / li >
< li > Space => " space" < / li >
< li > Return/Enter => " ret" < / li >
< li > < => " lt" < / li >
< li >
< blockquote >
< p > => " gt" < / p >
< / blockquote >
< / li >
< li >
< ul >
< li > => " plus" < / li >
< / ul >
< / li >
< li >
< ul >
< li > => " minus" < / li >
< / ul >
< / li >
< li > ; => " semicolon" < / li >
< li > % => " percent" < / li >
< li > Left => " left" < / li >
< li > Right => " right" < / li >
< li > Up => " up" < / li >
< li > Home => " home" < / li >
< li > End => " end" < / li >
< li > Page Up => " pageup" < / li >
< li > Page Down => " pagedown" < / li >
< li > Tab => " tab" < / li >
< li > Back Tab => " backtab" < / li >
< li > Delete => " del" < / li >
< li > Insert => " ins" < / li >
< li > Null => " null" < / li >
< li > Escape => " esc" < / li >
< / ul >
< p > Commands can be found in the source code at < code > ../../helix-term/src/commands.rs< / code > < / p >
< div style = "break-before: page; page-break-before: always;" > < / div > < h1 id = "hooks" > < a class = "header" href = "#hooks" > Hooks< / a > < / h1 >
< / main >
< nav class = "nav-wrapper" aria-label = "Page navigation" >
<!-- Mobile navigation buttons -->
< div style = "clear: both" > < / div >
< / nav >
< / div >
< / div >
< nav class = "nav-wide-wrapper" aria-label = "Page navigation" >
< / nav >
< / div >
< script type = "text/javascript" >
window.playground_copyable = true;
< / script >
< script src = "elasticlunr.min.js" type = "text/javascript" charset = "utf-8" > < / script >
< script src = "mark.min.js" type = "text/javascript" charset = "utf-8" > < / script >
< script src = "searcher.js" type = "text/javascript" charset = "utf-8" > < / script >
< script src = "clipboard.min.js" type = "text/javascript" charset = "utf-8" > < / script >
< script src = "highlight.js" type = "text/javascript" charset = "utf-8" > < / script >
< script src = "book.js" type = "text/javascript" charset = "utf-8" > < / script >
<!-- Custom JS scripts -->
< script type = "text/javascript" >
window.addEventListener('load', function() {
window.setTimeout(window.print, 100);
});
< / script >
< / body >
< / html >
