dotfiles/.config/nvim/lua/plugins/which-key.lua

require("which-key").setup {
    plugins = {
        marks = true, -- shows a list of your marks on ' and `
        registers = true, -- shows your registers on " in NORMAL or <C-r> in INSERT mode
        -- the presets plugin, adds help for a bunch of default keybindings in Neovim
        -- No actual key bindings are created
        presets = {
            operators = true, -- adds help for operators like d, y, ...
            motions = true, -- adds help for motions
            text_objects = true, -- help for text objects triggered after entering an operator
            windows = true, -- default bindings on <c-w>
            nav = true, -- misc bindings to work with windows
            z = true, -- bindings for folds, spelling and others prefixed with z
            g = true -- bindings for prefixed with g
        }
    },
    icons = {
        breadcrumb = "»", -- symbol used in the command line area that shows your active key combo
        separator = "➜", -- symbol used between a key and it's label
        group = "+" -- symbol prepended to a group
    },
    window = {
        border = "single", -- none, single, double, shadow
        position = "bottom", -- bottom, top
        margin = {1, 0, 1, 0}, -- extra window margin [top, right, bottom, left]
        padding = {2, 2, 2, 2} -- extra window padding [top, right, bottom, left]
    },
    layout = {
        height = {min = 4, max = 25}, -- min and max height of the columns
        width = {min = 20, max = 50}, -- min and max width of the columns
        spacing = 3 -- spacing between columns
    },
    hidden = {"<silent>", "<cmd>", "<Cmd>", "<CR>", "call", "lua", "^:", "^ "}, -- hide mapping boilerplate
    show_help = true -- show help message on the command line when the popup is visible
}

local opts = {
    mode = "n", -- NORMAL mode
    prefix = "<leader>",
    buffer = nil, -- Global mappings. Specify a buffer number for buffer local mappings
    silent = true, -- use `silent` when creating keymaps
    noremap = true, -- use `noremap` when creating keymaps
    nowait = false -- use `nowait` when creating keymaps
}

-- Set leader
vim.api.nvim_set_keymap('n', '<Space>', '<NOP>', {noremap = true, silent = true})
vim.g.mapleader = ' '

-- explorer
vim.api.nvim_set_keymap('n', '<Leader>e', ':NERDTreeToggle<CR>', {noremap = true, silent = true})

-- TODO create entire treesitter section

local mappings = {
    ["e"] = "Explorer",
    ["c"] = "NERDCommenter",
    b = {
        name = "+Buffers",
        b = {"<C-^>", "Toggle Buffer"},
        d = {"<cmd>bd<cr>", "Close Buffer"},
        k = {"<cmd>bd!<cr>", "Kill Buffer"},
    },
    f = {
        name = "Find",
        f = {"<cmd>Telescope find_files<cr>", "Find File"},
        p = {"<cmd>lua require'telescope'.extensions.project.project{}<CR>", "Project"},
        g = {"<cmd>lua require'telescope.builtin'.live_grep()<cr>", "Grep files"},
        b = {"<cmd>lua require'telescope.builtin'.buffers{}<cr>", "Buffers"},
        t = {"<cmd>lua require'telescope.builtin'.help_tags{}<cr>", "Tags"},
    },
    g = {
        name = "+Git",
        j = {"<cmd>GitGutterNextHunk<cr>", "Next Hunk"},
        k = {"<cmd>GitGutterPrevHunk<cr>", "Prev Hunk"},
        p = {"<cmd>GitGutterPreviewHunk<cr>", "Preview Hunk"},
        r = {"<cmd>GitGutterResetHunk<cr>", "Reset Hunk"},
        s = {"<cmd>GitGutterStageHunk<cr>", "Stage Hunk"},
        u = {"<cmd>GitGutterUndoHunk<cr>", "Undo Stage Hunk"},
        o = {"<cmd>Telescope git_status<cr>", "Open changed file"},
        b = {"<cmd>Telescope git_branches<cr>", "Checkout branch"},
        c = {"<cmd>Telescope git_commits<cr>", "Checkout commit"},
        C = {"<cmd>Telescope git_bcommits<cr>", "Checkout commit(for current file)"},
    },
    l = {
        name = "+LSP",
        a = {"<cmd>Lspsaga code_action<cr>", "Code Action"},
        A = {"<cmd>Lspsaga range_code_action<cr>", "Selected Action"},
        d = {"<cmd>Telescope lsp_document_diagnostics<cr>", "Document Diagnostics"},
        D = {"<cmd>Telescope lsp_workspace_diagnostics<cr>", "Workspace Diagnostics"},
        i = {"<cmd>LspInfo<cr>", "Info"},
        l = {"<cmd>Lspsaga lsp_finder<cr>", "LSP Finder"},
        L = {"<cmd>Lspsaga show_line_diagnostics<cr>", "Line Diagnostics"},
        p = {"<cmd>Lspsaga preview_definition<cr>", "Preview Definition"},
        q = {"<cmd>Telescope quickfix<cr>", "Quickfix"},
        r = {"<cmd>Lspsaga rename<cr>", "Rename"},
        t = {"<cmd>LspTypeDefinition<cr>", "Type Definition"},
        x = {"<cmd>cclose<cr>", "Close Quickfix"},
        s = {"<cmd>Telescope lsp_document_symbols<cr>", "Document Symbols"},
        S = {"<cmd>Telescope lsp_workspace_symbols<cr>", "Workspace Symbols"}
    },
    d = {
        f = {":lua require'functions'.edit_dotfiles()<cr>", "Dotfiles search"}
    },
    s = {
        name = "+Search",
        b = {"<cmd>Telescope git_branches<cr>", "Checkout branch"},
        c = {"<cmd>Telescope colorscheme<cr>", "Colorscheme"},
        d = {"<cmd>Telescope lsp_document_diagnostics<cr>", "Document Diagnostics"},
        D = {"<cmd>Telescope lsp_workspace_diagnostics<cr>", "Workspace Diagnostics"},
        f = {"<cmd>Telescope find_files<cr>", "Find File"},
        m = {"<cmd>Telescope marks<cr>", "Marks"},
        M = {"<cmd>Telescope man_pages<cr>", "Man Pages"},
        r = {"<cmd>Telescope oldfiles<cr>", "Open Recent File"},
        R = {"<cmd>Telescope registers<cr>", "Registers"},
        t = {"<cmd>Telescope live_grep<cr>", "Text"}
    },
    S = {
        name = "+Session", 
        s = {"<cmd>SessionSave<cr>", "Save Session"}, 
        l = {"<cmd>SessionLoad<cr>", "Load Session"}
    },
    t = {
        name = "+Tagbar",
        t = {"<cmd>TagbarToggle<cr>", "Toggle Tagbar"},
    }
}

local wk = require("which-key")
wk.register(mappings, opts)