nixos-config/home-manager/neovim/keymaps.lua

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>", ":wincmd h<CR>")
nnoremap("<C-j>", ":wincmd j<CR>")
nnoremap("<C-k>", ":wincmd k<CR>")
nnoremap("<C-l>", ":wincmd l<CR>")

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

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

-- vim-flog
nnoremap("<leader>G", ":Flog -all -date=relative -open-cmd=new<CR>")

-- telescope
local telescope = require("telescope.builtin")
local telescope_themes = require("telescope.themes")
local telescope_projects = require("telescope").extensions.projects

local function map_telescope(key, telescope_function)
    vim.api.nvim_set_keymap("n", key, "", {
        noremap = true,
        callback = function()
            local theme = telescope_themes.get_dropdown({ layout_config = { width = 0.9 } })
            telescope_function(theme)
        end,
    })
end

map_telescope("<leader>ff", telescope.find_files)
map_telescope("<leader>fb", telescope.buffers)
map_telescope("<leader>fg", telescope.git_files)
map_telescope("<leader>fp", telescope_projects.projects)
map_telescope("<leader>fs", telescope.lsp_document_symbols)
map_telescope("<leader>fS", telescope.lsp_dynamic_workspace_symbols)
map_telescope("<C-f>", telescope.grep_string)
map_telescope("<C-g>", telescope.live_grep)

-- terminal
vim.api.nvim_create_autocmd("TermOpen", {
    pattern = "term://*",
    callback = function()
        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,
    desc = "Map terminal esc and window switch keys",
})

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

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

-- insert-map jj/jk to escape
require("better_escape").setup()