dotfiles/nvim/lua/keymaps.lua

-- source file everytime it changes
vim.cmd([[
  augroup user_keymaps
    autocmd!
    autocmd BufWritePost keymaps.lua source <afile>
  augroup end
]])

local function nnoremap(key, command)
    vim.api.nvim_set_keymap("n", key, command, {noremap = true})
end

vim.g.mapleader = " "
vim.g.maplocalleader = " "

-- Move around windows
nnoremap("<C-h>", "<C-w>h")
nnoremap("<C-j>", "<C-w>j")
nnoremap("<C-k>", "<C-w>k")
nnoremap("<C-l>", "<C-w>l")

-- Switch buffers
nnoremap("<C-PageDown>", ":TablineBufferNext<CR>")
nnoremap("<C-PageUp>", ":TablineBufferPrevious<CR>")

-- fugitive
nnoremap("<leader>g", ":0Git<CR>")
nnoremap("<leader>G", ":GV --all<CR>")

-- telescope
nnoremap("<leader>ff", "<Cmd>Telescope find_files theme=dropdown<CR>")
nnoremap("<leader>fb", "<Cmd>Telescope buffers theme=dropdown<CR>")
nnoremap("<leader>fg", "<Cmd>Telescope git_files theme=dropdown<CR>")
nnoremap("<C-f>", "<Cmd>Telescope grep_string<CR>")
nnoremap("<C-g>", "<Cmd>Telescope live_grep<CR>")

-- terminal
function _G.set_terminal_keymaps()
    local opts = {noremap = true}
    vim.api.nvim_buf_set_keymap(0, 't', '<esc>', [[<C-\><C-n>]], opts)
    vim.api.nvim_buf_set_keymap(0, 't', '<C-h>', [[<C-\><C-n><C-W>h]], opts)
    vim.api.nvim_buf_set_keymap(0, 't', '<C-j>', [[<C-\><C-n><C-W>j]], opts)
    vim.api.nvim_buf_set_keymap(0, 't', '<C-k>', [[<C-\><C-n><C-W>k]], opts)
    vim.api.nvim_buf_set_keymap(0, 't', '<C-l>', [[<C-\><C-n><C-W>l]], opts)
end

vim.cmd('autocmd TermOpen term://* lua set_terminal_keymaps()')

-- buffer closing
nnoremap("<leader>q", ":Bdelete<CR>")

-- toggle search highlighting
vim.cmd('nnoremap <expr> * v:hlsearch ? ":nohlsearch<cr>" : "*"')