From 6920fe2ca3b168f91ab1c72dc8a8c2f2146d48a1 Mon Sep 17 00:00:00 2001
From: Rokas Puzonas <rokas.puz@gmail.com>
Date: Sat, 30 Oct 2021 14:30:55 +0300
Subject: [PATCH] feat: add telescope

---
 README.md                 |  8 +++++
 lua/config/devicons.lua   |  1 +
 lua/config/telescope.lua  | 74 +++++++++++++++++++++++++++++++++++++++
 lua/config/treesitter.lua |  6 ++++
 lua/options.lua           |  6 +++-
 lua/plugins.lua           | 23 ++++++++++++
 6 files changed, 117 insertions(+), 1 deletion(-)
 create mode 100644 README.md
 create mode 100644 lua/config/devicons.lua
 create mode 100644 lua/config/telescope.lua
 create mode 100644 lua/config/treesitter.lua

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..1e93006
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+# Neovim Config
+
+
+## Requirements
+* ripgrep - for telescope
+* [A patched font](https://www.nerdfonts.com/) - for dev icons
+
+
diff --git a/lua/config/devicons.lua b/lua/config/devicons.lua
new file mode 100644
index 0000000..74f601b
--- /dev/null
+++ b/lua/config/devicons.lua
@@ -0,0 +1 @@
+require('nvim-web-devicons').setup()
diff --git a/lua/config/telescope.lua b/lua/config/telescope.lua
new file mode 100644
index 0000000..db8a3ff
--- /dev/null
+++ b/lua/config/telescope.lua
@@ -0,0 +1,74 @@
+local telescope = require('telescope')
+local map = require('utils.map')
+local actions = require('telescope.actions')
+local builtin = require('telescope.builtin')
+local previewers = require('telescope.previewers')
+local M = {}
+
+local function sizelimit_maker(filepath, bufnr, opts)
+  opts = opts or {}
+	local size_limit = 100 * 1024 -- 100KiB
+
+  filepath = vim.fn.expand(filepath)
+  vim.loop.fs_stat(filepath, function(_, stat)
+    if not stat then return end
+    if stat.size > size_limit then
+      return
+    else
+      previewers.buffer_previewer_maker(filepath, bufnr, opts)
+    end
+  end)
+end
+
+-- Falling back to find_files if git_files can't find a .git directory
+function M.project_files(opts)
+  local ok = pcall(builtin.git_files, opts)
+  if not ok then builtin.find_files(opts) end
+end
+
+function M.edit_config(opts)
+	return M.project_files{
+		cwd = "~/.config/nvim",
+		prompt_title = "Neovim config"
+	}
+end
+
+local silent = {silent = true}
+
+-- Search project files
+map('n', '<C-p>', [[:lua require('config.telescope').project_files()<cr>]], silent)
+
+-- Edit neovim config
+map('n', '<leader>ev', [[:lua require('config.telescope').edit_config()<cr>]], silent)
+
+-- Grep string
+map('n', '<leader>fg', [[:lua require('telescope.builtin').live_grep()<cr>]], silent)
+
+telescope.setup{
+	defaults = {
+		buffer_previewer_maker = new_maker,
+		mappings = {
+			i = {
+				["<esc>"] = actions.close
+			}
+		}
+	},
+	pickers = {
+		find_files = {
+      theme = "dropdown",
+    },
+		git_files = {
+      theme = "dropdown",
+		},
+		live_grep = {
+      theme = "dropdown",
+		}
+	}
+}
+
+local fzfPlugin = packer_plugins["telescope-fzf-native.nvim"]
+if fzfPlugin and fzfPlugin.loaded then
+	telescope.load_extension('fzf')
+end
+
+return M
diff --git a/lua/config/treesitter.lua b/lua/config/treesitter.lua
new file mode 100644
index 0000000..7f2b457
--- /dev/null
+++ b/lua/config/treesitter.lua
@@ -0,0 +1,6 @@
+local treesitter = require("nvim-treesitter.configs")
+
+treesitter.setup{
+  ensure_installed = "maintained",
+  highlight = { enable = true }
+}
diff --git a/lua/options.lua b/lua/options.lua
index 4a9293e..4229058 100644
--- a/lua/options.lua
+++ b/lua/options.lua
@@ -9,6 +9,10 @@ cmd [[filetype plugin on]]
 local buffer = { o, bo }
 local window = { o, wo }
 
+-- Pseudo transparent popup window
+opt('pumblend', 15)
+cmd [[highlight PmenuSel blend=0]]
+
 -- Don't wrap text to next line if there isin't enough space
 opt('wrap', false)
 
@@ -82,7 +86,7 @@ opt('clipboard', 'unnamedplus')
 
 -- Identation/Tab settings
 local tab_size = 2
-opt('foldmethod', 'indent', window)
+opt('foldmethod', 'indent')
 opt('expandtab', false, buffer)
 opt('smartindent', true, buffer)
 opt('shiftwidth', tab_size, buffer)
diff --git a/lua/plugins.lua b/lua/plugins.lua
index 52c1dd9..a207883 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -9,6 +9,29 @@ local function usePlugins(use)
 	-- Various lua utilities
 	use 'nvim-lua/plenary.nvim'
 
+	-- Tree-sitter
+	use {
+		'nvim-treesitter/nvim-treesitter',
+		config = [[require 'config.treesitter']],
+		run = ':TSUpdate'
+	}
+
+	-- Emoji file icons
+	use { 'kyazdani42/nvim-web-devicons', config = [[require 'config.devicons']] }
+
+	-- Fuzzy file finder
+	use { 'nvim-telescope/telescope-fzf-native.nvim', run = 'make' }
+	use {
+		'nvim-telescope/telescope.nvim',
+		config = [[require 'config.telescope']],
+		requires = {
+			{'nvim-lua/plenary.nvim'},
+			{'nvim-treesitter/nvim-treesitter'},
+			{'kyazdani42/nvim-web-devicons', opt = true},
+			{'nvim-telescope/telescope-fzf-native.nvim', opt = true}
+		}
+	}
+
 	-- Smooth smooth scrolling
 	use 'psliwka/vim-smoothie'