3 files changed, 205 insertions, 0 deletions

diff --git a/.config/nvim/lua/core/keymaps.lua b/.config/nvim/lua/core/keymaps.lua
new file mode 100644
index 0000000..b63156d
--- /dev/null
+++ b/.config/nvim/lua/core/keymaps.lua
@@ -0,0 +1,77 @@
+local map = require("helpers.keys").map
+
+-- https://stackoverflow.com/questions/4256697/vim-search-and-highlight-but-do-not-jump
+-- search & highlight but do not jump
+map("n", "*", "<cmd>keepjumps normal! mi*`i<CR>", "search forwards")
+map("n", "#", "<cmd>keepjumps normal! mi#`i<CR>", "search backwards")
+
+-- save file as sudo on files that require root permission
+map("c", "w!!", 'execute "silent! write !sudo tee % >/dev/null" <bar> edit!<CR>', "save file as sudo", { silent = false })
+
+-- replace ex mode with gq (format lines)
+map("n", "Q", "gq", "format lines")
+
+-- set formatprg to sentences, for prose
+-- TODO: can we do this with vim.o.formatprg?
+map("n", "<Leader>fp", "<cmd>set formatprg=~/.local/bin/sentences<CR>", "switch to sentences view", { silent = false })
+
+-- replace all is aliased to S.
+map("n", "S", ":s//g<Left><Left>", "replace all", { silent = false })
+map("v", "S", ":s//g<Left><Left>", "replace all selection", { silent = false })
+
+-- jump to buffer
+map("n", "<Leader>b", "<cmd>ls<cr>:b<space>", "jump to buffer")
+
+-- up and down are more logical with g..
+map("n", "k", '(v:count == 0 ? "gk" : "k")', "up", { expr = true })
+map("n", "j", '(v:count == 0 ? "gj" : "j")', "down", { expr = true })
+map("i", "<Up>", "<Esc>gka")
+map("i", "<Down>", "<Esc>gja")
+
+-- space used to toggle folds, now it's x (because x is d)
+map("n", "<Space>", '"_x')
+
+-- separate cut and delete
+map("n", "x", "d")
+map("x", "x", "d")
+map("n", "xx", "dd")
+map("n", "X", "D")
+
+-- change into pwd of current buffer
+map("n", "<Leader>cd", "<cmd>lcd %:p:h<CR>:pwd<CR>", "cd to current buffer's pwd")
+
+-- call CreatePaper on word below cursor
+map("n", "<leader>np", 'gewi[[/papers/<ESC>Ea]]<ESC>bb:call CreatePaper(expand("<cword>"))<CR>',
+    "vimwiki new paper on word under cursor")
+
+-- link paper
+map("n", "<leader>lp", "gewi[[/papers/<ESC>Ea]]<ESC>", "vimwiki link wrap word under cursor")
+
+-- call CreateReference on word below cursor
+map("n", "<leader>nr", '<cmd>call CreateReference(expand("<cword>"))<CR>', "vimwiki new reference word under cursor")
+
+-- create a new note
+map("n", "<leader>nn", "<cmd>call CreateNote()<CR>", "vimwiki new note for slipbox")
+
+-- :%% to get current file path
+map('c', '%%', "getcmdtype() == ':' ? expand('%:h').'/' : '%%'", "get current file path", { expr = true, silent = false })
+
+-- reselect visual selection after indent
+map('v', '>', '>gv')
+map('v', '<', '<gv')
+
+-- keep cursor position after visual yank
+map('v', 'y', 'myy`y')
+map('v', 'Y', 'myY`y')
+
+-- ` is more useful than '
+map('n', "'", '`')
+
+-- switch between light and dark modes
+map("n", "<leader>ut", function()
+    if vim.o.background == "dark" then
+        vim.o.background = "light"
+    else
+        vim.o.background = "dark"
+    end
+end, "toggle between light and dark background")
diff --git a/.config/nvim/lua/core/lazy.lua b/.config/nvim/lua/core/lazy.lua
new file mode 100644
index 0000000..8a91029
--- /dev/null
+++ b/.config/nvim/lua/core/lazy.lua
@@ -0,0 +1,30 @@
+-- install lazy.nvim if not already installed
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not vim.loop.fs_stat(lazypath) then
+    vim.fn.system({
+        "git",
+        "clone",
+        "--filter=blob:none",
+        "https://github.com/folke/lazy.nvim.git",
+        "--branch=stable", -- latest stable release
+        lazypath,
+    })
+end
+vim.opt.rtp:prepend(lazypath)
+
+-- use a protected call so we don't error out on first use
+local ok, lazy = pcall(require, "lazy")
+if not ok then
+    return
+end
+
+-- we have to set the leader key here for lazy.nvim to work
+require("helpers.keys").set_leader("\\")
+
+-- load plugins from specifications
+-- see: https://github.com/folke/lazy.nvim#-structuring-your-plugins
+-- we are loading them as a lua module
+lazy.setup("plugins")
+
+-- easy-access keybindings
+require("helpers.keys").map("n", "<leader>L", lazy.show, "show lazy")
diff --git a/.config/nvim/lua/core/options.lua b/.config/nvim/lua/core/options.lua
new file mode 100644
index 0000000..3299e83
--- /dev/null
+++ b/.config/nvim/lua/core/options.lua
@@ -0,0 +1,98 @@
+local opts = {
+        -- this might not be needed anymore
+        termguicolors = true,
+
+        -- copy indent on a new line
+        autoindent = true,
+
+        -- :h tabstop, 2. point
+        -- use appropriate number of spaces to insert a <Tab>
+        expandtab = true,
+        shiftwidth = 4,
+        softtabstop = 4,
+        tabstop = 8,
+
+        -- use english for spellchecking
+        spelllang = "en_gb",
+
+        -- tab completion, zsh style
+        wildmode = "longest:full,full",
+
+        -- put one space for join (not two)
+        joinspaces = false,
+
+        -- keep n lines above/below cursor while scrolling
+        scrolloff = 4,
+
+        -- line numbers
+        number = true,
+
+        -- manual folding
+        foldmethod = "marker",
+
+        -- set the terminal title
+        title = true,
+
+        -- wrap using 'breakat' character
+        linebreak = true,
+
+        -- new split panes will split to below and right
+        splitbelow = true,
+        splitright = true,
+
+        -- use relative line numbers
+        relativenumber = true,
+
+        -- we are already using a cursorline, don't clobber linter messages
+        showmode = false,
+
+        -- jump to the matching bracket briefly
+        showmatch = true,
+
+        -- persistent undo
+        undofile = true,
+
+        -- lower case searches ignore case, upper case searches do not
+        ignorecase = true,
+        smartcase = true,
+
+        -- https://stackoverflow.com/a/3445040/
+        -- switch case labels
+        cinoptions = "l1",
+
+}
+
+for opt, val in pairs(opts) do
+        vim.o[opt] = val
+end
+
+-- set other options
+-- local colorscheme = require("helpers.colorscheme")
+-- vim.cmd.colorscheme(colorscheme)
+
+-- interact with system clipboard
+vim.opt.clipboard:append('unnamedplus')
+
+vim.opt.wildignore = {
+    '*.o', '*.obj', '*.class', '*.aux', '*.lof', '*.log', '*.lot', '*.fls',
+    '*.toc', '*.fmt', '*.fot', '*.cb', '*.cb2', '.*.lb', '.dvi', '*.xdv',
+    '*.bbl', '*.bcf', '*.blg', '*-blx.aux', '*-blx.bib', '*.run.xml',
+    '*.fdb_latexmk', '*.synctex', '*.synctex(busy)', '*.synctex.gz',
+    '*.synctex.gz(busy)', '*.pdfsync'
+}
+
+-- iwhite: ignore changes in amount of white space.
+-- vertical: start diff mode with vertical splits
+-- filler: show filler lines,
+vim.opt.diffopt = {
+    "iwhite", "vertical", "filler", "algorithm:patience", "indent-heuristic"
+}
+
+-- menu: use a popup menu to show the possible completions
+-- preview: show extra information
+vim.opt.completeopt = {"menu", "menuone", "noselect"}
+
+if vim.fn.executable("rg") then
+    vim.o.grepprg = "rg --vimgrep --no-heading --smart-case"
+    vim.o.grepformat = "%f:%l:%c:%m,%f:%l:%m"
+end