nvim/lua/keymap/init.lua

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-- see `:help` for any questions
-- use `&<var>` to show value of vimscript variable
require('keymap/functional')
-- API --
-- o = vim.o -- options
-- go = vim.go -- only-global options
-- bo = vim.bo -- buffer local options
-- wo = vim.wo -- window local options
-- cmd = vim.cmd -- vim commands
-- fn = vim.fn -- vim functions
-- opt = vim.opt -- vim option object
-- g = vim.g -- global variables
-- b = vim.b -- buffer local variables
-- w = vim.w -- window local variables
-- t = vim.t -- tab local variables
-- v = vim.v -- variables
-- env = vim.env -- environment variables
local layouts = {
'qwerty',
'colemak'
}
local layout = layouts[2]
local map = vim.api.nvim_set_keymap
local function modes_map(modes)
local functions = {}
for _,mode in pairs(modes) do
table.insert(functions, bind(map,mode))
end
return functions
end
local function keys_modes_map(modes, new_keys, old_keys)
for i = 1, #new_keys do
for _,f in pairs(modes_map(modes)) do
f(new_keys[i], old_keys[i], {noremap = true})
end
end
end
local nvo = {'n','v','o'}
if layout == 'qwerty' then
--
-- Qwerty: General Bindings
--
-- Splits
for _,key in pairs({'j','k','l','J','K','L'}) do
for _,f in pairs(modes_map({'n', 'v'})) do
f('<Leader>w'..key, '<C-W>'..key, {noremap = true})
end
end
--
-- Qwerty: Plugin Bindings
--
-- NERDTree defaults
vim.g.NERDTreeMapOpenSplit = 'i' -- i
vim.g.NERDTreeMapPreviewSplit = 'I' -- gi
vim.g.NERDTreeMapJumpFirstChild = 'K' -- K
vim.g.NERDTreeMapJumpLastChild = 'J' -- J
vim.g.NERDTreeMapJumpNextSibling = '<C-j>' -- <C-J>.
vim.g.NERDTreeMapJumpPrevSibling = '<C-k>' -- <C-K>
vim.g.NERDTreeMapChangeRoot = 'l' -- C
-- see "All layout" bindings too
elseif layout == 'colemak' then
--
-- Colemak: General Bindings
--
-- Motion
-- up(e) down(n) left(h) right(i)
keys_modes_map(
nvo,
{'h','n','e','i'},
{'h','j','k','l'}
)
-- word(y) WORD(Y) back(l) BACK(L) end(u) END(U)
keys_modes_map(
nvo,
{'l','L','u','U','y','Y'},
{'b','B','e','E','w','W'}
)
-- (a)ppend (r)eplace in(s)ert change(w)
keys_modes_map(
{'n'},
{'s','S'}, -- see Visual Line Mode Patch
{'i','I'}
)
keys_modes_map(
nvo,
{'w','W'},
{'c','C'}
)
-- (c)opy (p)aste cut(x,d)
keys_modes_map(
nvo,
{'c','C'},
{'y','Y'}
)
-- (u)ndo (r)edo
local c_undo_redo = {'z','gz','Z'}
keys_modes_map(
{'n'},
c_undo_redo,
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{'u','U','<C-R>'}
)
local q_x_undo = ':<C-U>undo<CR>'
keys_modes_map(
{'x'},
c_undo_redo,
{
q_x_undo,
q_x_undo,
':<C-U>redo<CR>'
}
)
-- Visual Line Mode Patch
vim.cmd([[
xnoremap <silent> <expr> s (mode() =~# "[V]" ? "\<C-V>0o$I" : "I")
xnoremap <silent> <expr> S (mode() =~# "[V]" ? "\<C-V>0o$I" : "I")
]])
-- (g)oto
-- ge = visual line up
-- gn = visual line down
keys_modes_map(
nvo,
{'ge','gn'},
{'gk','gj'}
)
-- Search
-- (f)ind (F)ind (t)il (T)il next(k) prev(K)
keys_modes_map(
nvo,
{'k','K'},
{'n','N'}
)
-- Text Objects
-- inner(s) (a)
map('o', 's', 'i', {noremap = true})
-- Folds
keys_modes_map(
{'n','x'},
{'j','jn','je','jo','jc','ja'},
{'z','zn','ze','zo','zc','za'}
)
-- Help(B)
map('n', 'B', 'K', {noremap = true})
-- Splits
local split = {
colemak = {'n','e','i','N','E','I'},
qwerty = {'j','k','l','J','K','L'}
}
for i = 1, #split.colemak do
for _,f in pairs(modes_map({'n','v'})) do
f('<Leader>w'..split.colemak[i], '<C-W>'..split.qwerty[i], {noremap = true})
end
end
-- Screen / Scroll / Page
-- H = top screen
-- M = mid screen
-- I = bottom screen
-- E = half page up
-- N = half page down
keys_modes_map(
{'n','v'},
{'I','E', 'N'},
{'L','<C-U>','<C-D>'}
)
--
-- Colemak: Plugin Bindings
--
-- NERDTree defaults
vim.g.NERDTreeMapOpenSplit = 's' -- i
vim.g.NERDTreeMapPreviewSplit = 'S' -- gi
vim.g.NERDTreeMapJumpFirstChild = 'E' -- K
vim.g.NERDTreeMapJumpLastChild = 'N' -- J
vim.g.NERDTreeMapJumpNextSibling = '<C-n>' -- <C-J>.
vim.g.NERDTreeMapJumpPrevSibling = '<C-e>' -- <C-K>
vim.g.NERDTreeMapChangeRoot = 'i' -- C
-- see "All layout" bindings too
end
--
-- All layouts: General Bindings
--
-- Splits
for _,key in pairs({'h','H','t','q',''}) do
for _,f in pairs(modes_map({'n', 'v'})) do
if key ~= 't' then
f('<Leader>w'..key, '<C-W>'..key, {noremap = true})
else
f('<Leader>wt', '<C-W>T', {noremap = true})
end
end
end
-- Search
keys_modes_map(
{'n','v'},
{'/', '?'},
{'q/i','q?i'}
)
-- Remove left over search highlights
map('n', '<Leader><space>', ':nohlsearch<CR>', {noremap = true})
-- Move current line to center of screen
map('n', '<Leader>m', 'z.', {noremap = true})
-- Buffers
local buffer_keys = {
new = {'<tab>','<S-tab','<BS>'},
old = {'n', 'p', 'd'}
}
for i = 1, #buffer_keys.new do
for _,f in pairs(modes_map({'n','v','x'})) do
f(
'<Leader>'..buffer_keys.new[i],
':b'..buffer_keys.old[i]..'<CR>',
{noremap = true}
)
end
end
-- Command mode
keys_modes_map(
{'n', 'v', 'x'},
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{':', ';;', ';e', ';h', ';v'},
{'q:i','q:i!','q:ie term://','q:isp term://','q:ivs term://'}
)
-- Filetype specific
cmd('autocmd FileType zig lua zig_maps()')
function zig_maps()
map('n', '<Leader>ft', ':vertical !zig test %<CR>', {noremap = true})
map('n', '<Leader>fr', ':vertical !zig run %<CR>', {noremap = true})
end
--
-- All layouts: Plugin Bindings
--
-- Package manager
function pm_sync()
require('plugins')
cmd('PaqSync')
end
map('n', '<leader>p', ':lua pm_sync()<CR>', {noremap = true})
-- LSP
local lsp_commands = {
new = {'h','d','D','r','f','n','i','s','S','<','>','a'},
old = {
'buf.hover', -- h
'buf.definition', -- d
'buf.declaration', -- D
'buf.references', -- r
'buf.formatting', -- f
'buf.rename', -- n
'buf.implementation', -- i
'buf.document_symbol', -- s
'buf.signature_help', -- S
'diagnostic.goto_prev', -- <
'diagnostic.goto_next', -- >
'buf.code_action' -- a
}
}
for i = 1, #lsp_commands.new do
for _,f in pairs(modes_map({'n'})) do
f('<Leader>l'..lsp_commands.new[i],
'<cmd>lua vim.lsp.'..lsp_commands.old[i]..'()<CR>',
{noremap = true}
)
end
end