From a31055630810485c683936335db6d205cf5e82de Mon Sep 17 00:00:00 2001
From: Noah Masur <7386960+nmasur@users.noreply.github.com>
Date: Thu, 13 May 2021 08:50:36 -0400
Subject: [PATCH] play around with completion

---
 nvim.configlink/settings/custom.vim    |  5 +++
 nvim.configlink/settings/lightline.vim |  5 +--
 nvim.configlink/settings/plugins.vim   | 51 ++++++++++++++++++++++++++
 3 files changed, 58 insertions(+), 3 deletions(-)

diff --git a/nvim.configlink/settings/custom.vim b/nvim.configlink/settings/custom.vim
index 87cd2ca..2758f21 100644
--- a/nvim.configlink/settings/custom.vim
+++ b/nvim.configlink/settings/custom.vim
@@ -94,6 +94,11 @@ nnoremap <silent> <leader>z :ZoomToggle<CR>
 " Exit terminal mode
 tnoremap <A-CR> <C-\><C-n>
 
+lua << EOF
+-- Y yank until the end of line
+vim.api.nvim_set_keymap('n', 'Y', 'y$', { noremap = true})
+EOF
+
 " Reload Vimrc settings
 nnoremap <Leader>rr :Refresh<cr>
 nnoremap <Leader>rp :Refresh<cr> :PlugInstall<cr>
diff --git a/nvim.configlink/settings/lightline.vim b/nvim.configlink/settings/lightline.vim
index cc700a6..8de8a68 100644
--- a/nvim.configlink/settings/lightline.vim
+++ b/nvim.configlink/settings/lightline.vim
@@ -6,10 +6,9 @@ let g:lightline = {
   \ 'active': {
   \   'right': [[ 'lineinfo' ]],
   \   'left': [[ 'mode', 'paste' ],
-  \            [ 'cocstatus', 'readonly', 'relativepath', 'gitbranch', 'modified' ]]
+  \            [ 'readonly', 'relativepath', 'gitbranch', 'modified' ]]
   \ },
   \ 'component_function': {
-  \   'gitbranch': 'fugitive#head',
-  \   'cocstatus': 'coc#status'
+  \   'gitbranch': 'fugitive#head'
   \ },
   \ }
diff --git a/nvim.configlink/settings/plugins.vim b/nvim.configlink/settings/plugins.vim
index 6d75a26..e914343 100644
--- a/nvim.configlink/settings/plugins.vim
+++ b/nvim.configlink/settings/plugins.vim
@@ -23,7 +23,11 @@ Plug 'tpope/vim-commentary'                         " Use gc or gcc to comment
 Plug 'phaazon/hop.nvim'                             " Quick jump around the buffer
 Plug 'neovim/nvim-lspconfig'                        " Language server linting
 Plug 'jiangmiao/auto-pairs'                         " Parentheses
+Plug 'rafamadriz/friendly-snippets'
+Plug 'hrsh7th/vim-vsnip'
+Plug 'hrsh7th/vim-vsnip-integ'
 Plug 'hrsh7th/nvim-compe'                           " Auto-complete
+Plug 'tpope/vim-repeat'                             " Actually repeat using .
 
 " Ancillary plugins
 Plug 'godlygeek/tabular'              " Spacing and alignment
@@ -52,3 +56,50 @@ require'compe'.setup({
     },
 })
 EOF
+
+lua << EOF
+local t = function(str)
+  return vim.api.nvim_replace_termcodes(str, true, true, true)
+end
+
+local check_back_space = function()
+    local col = vim.fn.col('.') - 1
+    if col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') then
+        return true
+    else
+        return false
+    end
+end
+
+-- Use (s-)tab to:
+--- move to prev/next item in completion menuone
+--- jump to prev/next snippet's placeholder
+_G.tab_complete = function()
+  if vim.fn.pumvisible() == 1 then
+    return t "<C-n>"
+  elseif vim.fn.call("vsnip#available", {1}) == 1 then
+    return t "<Plug>(vsnip-expand-or-jump)"
+  elseif check_back_space() then
+    return t "<Tab>"
+  else
+    return vim.fn['compe#complete']()
+  end
+end
+_G.s_tab_complete = function()
+    if vim.fn.pumvisible() == 1 then
+        return t "<C-p>"
+    elseif vim.fn.call("vsnip#jumpable", {-1}) == 1 then
+        return t "<Plug>(vsnip-jump-prev)"
+    else
+        return t "<S-Tab>"
+    end
+end
+_G.cr_complete = function()
+    -- if vim.fn.pumvisible() == 1
+end
+
+vim.api.nvim_set_keymap("i", "<Tab>", "v:lua.tab_complete()", {expr = true})
+vim.api.nvim_set_keymap("s", "<Tab>", "v:lua.tab_complete()", {expr = true})
+vim.api.nvim_set_keymap("i", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
+vim.api.nvim_set_keymap("s", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
+EOF