From 4e394d413805dd49347021b578a71ece016a90c2 Mon Sep 17 00:00:00 2001
From: Young Xu <xuthus5@gmail.com>
Date: Sat, 4 Feb 2023 12:10:29 +0800
Subject: [PATCH] coc and keymap

---
 coc-settings.json      | 10 ++++++++++
 lua/basic.lua          |  5 +++++
 lua/keybindings.lua    | 29 +++++++++++++++++++++++++++--
 lua/plugins-config.lua |  1 +
 lua/plugins.lua        | 11 +++++++----
 5 files changed, 50 insertions(+), 6 deletions(-)
 create mode 100644 coc-settings.json

diff --git a/coc-settings.json b/coc-settings.json
new file mode 100644
index 0000000..7bba792
--- /dev/null
+++ b/coc-settings.json
@@ -0,0 +1,10 @@
+{
+  "languageserver": {
+    "go": {
+      "command": "gopls",
+      "rootPatterns": ["go.mod"],
+      "trace.server": "verbose",
+      "filetypes": ["go"]
+    }
+  }
+}
diff --git a/lua/basic.lua b/lua/basic.lua
index 6645eea..0b738c8 100644
--- a/lua/basic.lua
+++ b/lua/basic.lua
@@ -68,3 +68,8 @@ vim.o.showtabline = 2
 vim.o.showmode = false
 -- 配置剪切板
 vim.opt.clipboard = "unnamedplus"
+-- Some servers have issues with backup files, see #649
+vim.opt.backup = false
+vim.opt.writebackup = false
+
+
diff --git a/lua/keybindings.lua b/lua/keybindings.lua
index 01662f4..7582567 100644
--- a/lua/keybindings.lua
+++ b/lua/keybindings.lua
@@ -2,9 +2,34 @@ vim.g.mapleader = " "
 vim.g.maplocalleader = " "
 
 local map = vim.api.nvim_set_keymap
+local keyset = vim.keymap.set
+local coc_opt = {noremap = true, silent = true, expr = true, replace_keycodes = false}
 local opt = {noremap = true, silent = true}
 
+-- Autocomplete
+function _G.check_back_space()
+    local col = vim.fn.col('.') - 1
+    return col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') ~= nil
+end
+
 -- 开启目录树
-map('n', '<leader>o', ':NvimTreeOpen<CR>', opt)
+map('n', '<leader>to', ':NvimTreeOpen<CR>', opt)
 -- 关闭目录树
-map('n', '<leader>c', ':NvimTreeClose<CR>', opt)
+map('n', '<leader>tc', ':NvimTreeClose<CR>', opt)
+-- 开启coc补全
+keyset("i", "<TAB>", 'coc#pum#visible() ? coc#pum#next(1) : v:lua.check_back_space() ? "<TAB>" : coc#refresh()', coc_opt)
+keyset("i", "<S-TAB>", [[coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"]], coc_opt)
+
+-- 搜索
+local builtin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>ff', builtin.find_files, {})
+vim.keymap.set('n', '<leader>fg', builtin.live_grep, {})
+vim.keymap.set('n', '<leader>fb', builtin.buffers, {})
+vim.keymap.set('n', '<leader>fh', builtin.help_tags, {})
+
+-- 窗口切换
+map('n', '<leader>1', ':BufferLineGoToBuffer 1<CR>', opt)
+map('n', '<leader>2', ':BufferLineGoToBuffer 2<CR>', opt)
+map('n', '<leader>3', ':BufferLineGoToBuffer 3<CR>', opt)
+map('n', '<leader>4', ':BufferLineGoToBuffer 4<CR>', opt)
+map('n', '<leader>5', ':BufferLineGoToBuffer 5<CR>', opt)
diff --git a/lua/plugins-config.lua b/lua/plugins-config.lua
index da68b13..65a5977 100644
--- a/lua/plugins-config.lua
+++ b/lua/plugins-config.lua
@@ -7,6 +7,7 @@ require('impatient')
 require("toggleterm").setup()
 require('gitsigns').setup()
 require('telescope').setup()
+require("nvim-dap-virtual-text").setup()
 
 vim.o.background = "dark" -- or "light" for light mode
 vim.cmd([[colorscheme gruvbox]])
diff --git a/lua/plugins.lua b/lua/plugins.lua
index 110f9aa..67cadd3 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -27,10 +27,13 @@ return require('packer').startup(function()
 	use {'akinsho/bufferline.nvim', tag = "v3.*", requires = 'nvim-tree/nvim-web-devicons'}
 	-- golang ide
 	use 'ray-x/go.nvim'
-  use 'ray-x/guihua.lua' -- recommended if need floating window support
-  use 'neovim/nvim-lspconfig'
-  use 'nvim-treesitter/nvim-treesitter'
-  -- 当前工作目录
+    use 'ray-x/guihua.lua' -- recommended if need floating window support
+    use 'neovim/nvim-lspconfig'
+    use 'nvim-treesitter/nvim-treesitter'
+    use 'mfussenegger/nvim-dap'
+    use 'theHamsta/nvim-dap-virtual-text'
+    use { "rcarriga/nvim-dap-ui", requires = {"mfussenegger/nvim-dap"} }
+    -- 当前工作目录
 	use {
     "ahmedkhalf/project.nvim",
     config = function()