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fufexan/kakoune.nix

Created April 19, 2021 09:09
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kakoune.nix
{ config, pkgs, ... }:
# personal kakoune config
#
# the only required plugin is smarttab
{
programs.kakoune = {
enable = true;
config = {
indentWidth = 2;
hooks = [
{
# tab completion
name = "InsertCompletionShow";
option = ".*";
commands = ''
try %{
# this command temporarily removes cursors preceded by whitespace;
# if there are no cursors left, it raises an error, does not
# continue to execute the mapping commands, and the error is eaten
# by the `try` command so no warning appears.
execute-keys -draft 'h<a-K>\h<ret>'
map window insert <tab> <c-n>
map window insert <s-tab> <c-p>
hook -once -always window InsertCompletionHide .* %{
map window insert <tab> <tab>
map window insert <s-tab> <s-tab>
}
}
'';
}
# languages
{
name = "BufSetOption";
option = "filetype=cpp";
commands = ''
set-option buffer softtabstop 4
set-option buffer indentwidth 4
set-option buffer tabstop 4
smarttab
# formatting
#set-option buffer formatcmd nixfmt
#hook buffer BufWritePre .* format
# compiling
map buffer normal <F9> %{: make sh%{ echo $(basename %val{bufname} .cpp) }<ret>}
# running
map buffer normal <F10> %{: terminal sh%{ echo "./" + "$(basename %val{bufname} .cpp)" }<ret>}
'';
}
{
name = "BufSetOption";
option = "filetype=nix";
commands = ''
expandtab
set-option buffer softtabstop 2
# formatting
set-option buffer formatcmd nixfmt
hook buffer BufWritePre .* format
'';
}
{
name = "BufSetOption";
option = "filetype=haskell";
commands = ''
expandtab
set-option buffer softtabstop 2
evaluate-commands %sh{
if which ormolu > /dev/null; then
echo 'set-option buffer formatcmd ormolu'
echo 'hook buffer BufWritePre .* format'
fi
}
'';
}
{
name = "BufSetOption";
option = "filetype=python";
commands = ''
expandtab
set-option buffer softtabstop 4
set-option buffer tabstop 4
set-option buffer indentwidth 4
evaluate-commands %sh{
if which black > /dev/null; then
echo 'set-option buffer formatcmd "black - --quiet --fast"'
echo 'hook buffer BufWritePre .* format'
fi
}
'';
}
{
name = "BufSetOption";
option = "filetype=javascript";
commands = ''
expandtab
set-option buffer softtabstop 2
evaluate-commands %sh{
if which prettier > /dev/null; then
echo 'set-option buffer formatcmd "prettier --parser=typescript"'
echo 'hook buffer BufWritePre .* format'
fi
}
'';
}
{
name = "BufSetOption";
option = "filetype=rust";
commands = ''
set-option buffer softtabstop 4
set-option buffer tabstop 4
set-option buffer indentwidth 4
evaluate-commands %sh{
if which rustfmt > /dev/null; then
echo 'set-option buffer formatcmd rustfmt'
echo 'hook buffer BufWritePre .* format'
fi
}
'';
}
{
name = "BufSetOption";
option = "filetype=sh";
commands = ''
expandtab
set-option buffer softtabstop 2
hook buffer BufWritePre .* lint
'';
}
{
name = "BufSetOption";
option = "filetype=html";
commands = ''
expandtab
set-option buffer softtabstop 2
'';
}
{
name = "BufSetOption";
option = "filetype=json";
commands = ''
expandtab
set-option buffer softtabstop 2
'';
}
];
numberLines = {
enable = true;
highlightCursor = true;
};
showMatching = true;
tabStop = 2;
wrapLines = {
enable = true;
indent = true;
marker = "⏎";
word = true;
};
};
plugins = with pkgs.kakounePlugins; [
# won't work without kakoune.cr
#auto-pairs-kak
# allows kak to talk to lsp servers
kak-lsp
# highlights parenthesis, brackets and braces in rainbow colours depending on depth level
# NOTE: doesn't work for some reason
kakoune-rainbow
# enables expandtab and other indent options
smarttab-kak
# shows buffers in the statusline
tabs-kak
# most plugins depend on these
connect-kak
#kakoune.cr
prelude-kak
];
};
}
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