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home-manager/modules/programs/kakoune.nix
2019-08-21 20:34:43 +02:00

574 lines
17 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.kakoune;
hook = types.submodule {
options = {
name = mkOption {
type = types.enum [
"NormalBegin" "NormalIdle" "NormalEnd" "NormalKey"
"InsertBegin" "InsertIdle" "InsertEnd" "InsertKey"
"InsertChar" "InsertDelete" "InsertMove" "WinCreate"
"WinClose" "WinResize" "WinDisplay" "WinSetOption"
"BufSetOption" "BufNewFile" "BufOpenFile" "BufCreate"
"BufWritePre" "BufWritePost" "BufReload" "BufClose"
"BufOpenFifo" "BufReadFifo" "BufCloseFifo" "RuntimeError"
"ModeChange" "PromptIdle" "GlobalSetOption" "KakBegin"
"KakEnd" "FocusIn" "FocusOut" "RawKey"
"InsertCompletionShow" "InsertCompletionHide"
"InsertCompletionSelect"
];
example = "SetOption";
description = ''
The name of the hook. For a description, see
<link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/hooks.asciidoc#default-hooks"/>.
'';
};
once = mkOption {
type = types.bool;
default = false;
description = ''
Remove the hook after running it once.
'';
};
group = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Add the hook to the named group.
'';
};
option = mkOption {
type = types.nullOr types.str;
default = null;
example = "filetype=latex";
description = ''
Additional option to pass to the hook.
'';
};
commands = mkOption {
type = types.lines;
default = "";
example = "set-option window indentwidth 2";
description = ''
Commands to run when the hook is activated.
'';
};
};
};
keyMapping = types.submodule {
options = {
mode = mkOption {
type = types.enum [
"insert"
"normal"
"prompt"
"menu"
"user"
"goto"
"view"
"object"
];
example = "user";
description = ''
The mode in which the mapping takes effect.
'';
};
docstring = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Optional documentation text to display in info boxes.
'';
};
key = mkOption {
type = types.str;
example = "<a-x>";
description = ''
The key to be mapped. See
<link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/mapping.asciidoc#mappable-keys"/>
for possible values.
'';
};
effect = mkOption {
type = types.str;
example = ":wq<ret>";
description = ''
The sequence of keys to be mapped.
'';
};
};
};
configModule = types.submodule {
options = {
colorScheme = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Set the color scheme. To see available schemes, enter
<command>colorscheme</command> at the kakoune prompt.
'';
};
tabStop = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
description = ''
The width of a tab in spaces. The kakoune default is
<literal>6</literal>.
'';
};
indentWidth = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
description = ''
The width of an indentation in spaces.
The kakoune default is <literal>4</literal>.
If <literal>0</literal>, a tab will be used instead.
'';
};
incrementalSearch = mkOption {
type = types.bool;
default = true;
description = ''
Execute a search as it is being typed.
'';
};
alignWithTabs = mkOption {
type = types.bool;
default = false;
description = ''
Use tabs for the align command.
'';
};
autoInfo = mkOption {
type = types.nullOr (types.listOf (types.enum [ "command" "onkey" "normal" ]));
default = null;
example = [ "command" "normal" ];
description = ''
Contexts in which to display automatic information box.
The kakoune default is <literal>[ "command" "onkey" ]</literal>.
'';
};
autoComplete = mkOption {
type = types.nullOr(types.listOf (types.enum [ "insert" "prompt" ]));
default = null;
description = ''
Modes in which to display possible completions.
The kakoune default is <literal>[ "insert" "prompt" ]</literal>.
'';
};
autoReload = mkOption {
type = types.nullOr (types.enum [ "yes" "no" "ask" ]);
default = null;
description = ''
Reload buffers when an external modification is detected.
The kakoune default is <literal>"ask"</literal>.
'';
};
scrollOff = mkOption {
type = types.nullOr (types.submodule {
options = {
lines = mkOption {
type = types.ints.unsigned;
default = 0;
description = ''
The number of lines to keep visible around the cursor.
'';
};
columns = mkOption {
type = types.ints.unsigned;
default = 0;
description = ''
The number of columns to keep visible around the cursor.
'';
};
};
});
default = null;
description = ''
How many lines and columns to keep visible around the cursor.
'';
};
ui = mkOption {
type = types.nullOr (types.submodule {
options = {
setTitle = mkOption {
type = types.bool;
default = false;
description = ''
Change the title of the terminal emulator.
'';
};
statusLine = mkOption {
type = types.enum [ "top" "bottom" ];
default = "bottom";
description = ''
Where to display the status line.
'';
};
assistant = mkOption {
type = types.enum [ "clippy" "cat" "dilbert" "none" ];
default = "clippy";
description = ''
The assistant displayed in info boxes.
'';
};
enableMouse = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable mouse support.
'';
};
changeColors = mkOption {
type = types.bool;
default = true;
description = ''
Change color palette.
'';
};
wheelDownButton = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Button to send for wheel down events.
'';
};
wheelUpButton = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Button to send for wheel up events.
'';
};
shiftFunctionKeys = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
description = ''
Amount by which shifted function keys are offset. That
is, if the terminal sends F13 for Shift-F1, this
should be <literal>12</literal>.
'';
};
useBuiltinKeyParser = mkOption {
type = types.bool;
default = false;
description = ''
Bypass ncurses key parser and use an internal one.
'';
};
};
});
default = null;
description = ''
Settings for the ncurses interface.
'';
};
showMatching = mkOption {
type = types.bool;
default = false;
description = ''
Highlight the matching char of the character under the
selections' cursor using the <literal>MatchingChar</literal>
face.
'';
};
wrapLines = mkOption {
type = types.nullOr (types.submodule {
options = {
enable = mkEnableOption "the wrap lines highlighter";
word = mkOption {
type = types.bool;
default = false;
description = ''
Wrap at word boundaries instead of codepoint boundaries.
'';
};
indent = mkOption {
type = types.bool;
default = false;
description = ''
Preserve line indentation when wrapping.
'';
};
maxWidth = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
description = ''
Wrap text at maxWidth, even if the window is wider.
'';
};
marker = mkOption {
type = types.nullOr types.str;
default = null;
example = "";
description = ''
Prefix wrapped lines with marker text.
If not <literal>null</literal>,
the marker text will be displayed in the indentation if possible.
'';
};
};
});
default = null;
description = ''
Settings for the wrap lines highlighter.
'';
};
numberLines = mkOption {
type = types.nullOr (types.submodule {
options = {
enable = mkEnableOption "the number lines highlighter";
relative = mkOption {
type = types.bool;
default = false;
description = ''
Show line numbers relative to the main cursor line.
'';
};
highlightCursor = mkOption {
type = types.bool;
default = false;
description = ''
Highlight the cursor line with a separate face.
'';
};
separator = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
String that separates the line number column from the
buffer contents. The kakoune default is
<literal>"|"</literal>.
'';
};
};
});
default = null;
description = ''
Settings for the number lines highlighter.
'';
};
showWhitespace = mkOption {
type = types.nullOr (types.submodule {
options = {
enable = mkEnableOption "the show whitespace highlighter";
lineFeed = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The character to display for line feeds.
The kakoune default is <literal>"¬"</literal>.
'';
};
space = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The character to display for spaces.
The kakoune default is <literal>"·"</literal>.
'';
};
nonBreakingSpace = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The character to display for non-breaking spaces.
The kakoune default is <literal>""</literal>.
'';
};
tab = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The character to display for tabs.
The kakoune default is <literal>""</literal>.
'';
};
tabStop = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The character to append to tabs to reach the width of a tabstop.
The kakoune default is <literal>" "</literal>.
'';
};
};
});
default = null;
description = ''
Settings for the show whitespaces highlighter.
'';
};
keyMappings = mkOption {
type = types.listOf keyMapping;
default = [];
description = ''
User-defined key mappings. For documentation, see
<link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/mapping.asciidoc"/>.
'';
};
hooks = mkOption {
type = types.listOf hook;
default = [];
description = ''
Global hooks. For documentation, see
<link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/hooks.asciidoc"/>.
'';
};
};
};
configFile =
let
wrapOptions = with cfg.config.wrapLines; concatStrings [
"${optionalString word " -word"}"
"${optionalString indent " -indent"}"
"${optionalString (marker != null) " -marker ${marker}"}"
"${optionalString (maxWidth != null) " -width ${toString maxWidth}"}"
];
numberLinesOptions = with cfg.config.numberLines; concatStrings [
"${optionalString relative " -relative "}"
"${optionalString highlightCursor " -hlcursor"}"
"${optionalString (separator != null) " -separator ${separator}"}"
];
uiOptions = with cfg.config.ui; concatStringsSep " " [
"ncurses_set_title=${if setTitle then "true" else "false"}"
"ncurses_status_on_top=${if (statusLine == "top") then "true" else "false"}"
"ncurses_assistant=${assistant}"
"ncurses_enable_mouse=${if enableMouse then "true" else "false"}"
"ncurses_change_colors=${if changeColors then "true" else "false"}"
"${optionalString (wheelDownButton != null)
"ncurses_wheel_down_button=${wheelDownButton}"}"
"${optionalString (wheelUpButton != null)
"ncurses_wheel_up_button=${wheelUpButton}"}"
"${optionalString (shiftFunctionKeys != null)
"ncurses_shift_function_key=${toString shiftFunctionKeys}"}"
"ncurses_builtin_key_parser=${if useBuiltinKeyParser then "true" else "false"}"
];
keyMappingString = km: concatStringsSep " " [
"map global"
"${km.mode} ${km.key} '${km.effect}'"
"${optionalString (km.docstring != null) "-docstring '${km.docstring}'"}"
];
hookString = h: concatStringsSep " " [
"hook" "${optionalString (h.group != null) "-group ${group}"}"
"${optionalString (h.once) "-once"}" "global"
"${h.name}" "${optionalString (h.option != null) h.option}"
"%{ ${h.commands} }"
];
cfgStr = with cfg.config; concatStringsSep "\n" (
[ "# Generated by home-manager" ]
++ optional (colorScheme != null) "colorscheme ${colorScheme}"
++ optional (tabStop != null) "set-option global tabstop ${toString tabStop}"
++ optional (indentWidth != null) "set-option global indentwidth ${toString indentWidth}"
++ optional (!incrementalSearch) "set-option global incsearch false"
++ optional (alignWithTabs) "set-option global aligntab true"
++ optional (autoInfo != null) "set-option global autoinfo ${concatStringsSep "|" autoInfo}"
++ optional (autoComplete != null) "set-option global autocomplete ${concatStringsSep "|" autoComplete}"
++ optional (autoReload != null) "set-option global/ autoreload ${autoReload}"
++ optional (wrapLines != null && wrapLines.enable) "add-highlighter global/ wrap${wrapOptions}"
++ optional (numberLines != null && numberLines.enable)
"add-highlighter global/ number-lines${numberLinesOptions}"
++ optional showMatching "add-highlighter global/ show-matching"
++ optional (scrollOff != null)
"set-option global scrolloff ${toString scrollOff.lines},${toString scrollOff.columns}"
++ [ "# UI options" ]
++ optional (ui != null) "set-option global ui_options ${uiOptions}"
++ [ "# Key mappings" ]
++ map keyMappingString keyMappings
++ [ "# Hooks" ]
++ map hookString hooks
);
in
pkgs.writeText "kakrc" (
optionalString (cfg.config != null) cfgStr
+ cfg.extraConfig
);
in
{
options = {
programs.kakoune = {
enable = mkEnableOption "the kakoune text editor";
config = mkOption {
type = types.nullOr configModule;
default = {};
description = "kakoune configuration options.";
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Extra configuration lines to add to
<filename>~/.config/kak/kakrc</filename>.
'';
};
};
};
config = mkIf cfg.enable {
home.packages = [ pkgs.kakoune ];
xdg.configFile."kak/kakrc".source = configFile;
};
}