From 47cbb20f5203547957e2eb8daca266ed8953bb3a Mon Sep 17 00:00:00 2001
From: Simrat Grewal <simrats169169@gmail.com>
Date: Mon, 15 Aug 2022 14:59:40 -0700
Subject: [PATCH] feat: Bring back auto_preview

---
 lua/symbols-outline.lua         | 15 +++++++++++++++
 lua/symbols-outline/preview.lua | 23 +++++++++++------------
 2 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/lua/symbols-outline.lua b/lua/symbols-outline.lua
index 814e492..83038ed 100644
--- a/lua/symbols-outline.lua
+++ b/lua/symbols-outline.lua
@@ -36,6 +36,20 @@ local function setup_global_autocmd()
   })
 end
 
+local function setup_buffer_autocmd()
+  if config.options.auto_preview then
+    vim.api.nvim_create_autocmd('CursorHold', {
+      buffer = 0,
+      callback = require('symbols-outline.preview').show,
+    })
+  else
+    vim.api.nvim_create_autocmd('CursorMoved', {
+      buffer = 0,
+      callback = require('symbols-outline.preview').close,
+    })
+  end
+end
+
 -------------------------
 -- STATE
 -------------------------
@@ -188,6 +202,7 @@ local function handler(response)
   })
 
   setup_keymaps(M.view.bufnr)
+  setup_buffer_autocmd()
 
   local items = parser.parse(response)
 
diff --git a/lua/symbols-outline/preview.lua b/lua/symbols-outline/preview.lua
index 8b384dd..92556c2 100644
--- a/lua/symbols-outline/preview.lua
+++ b/lua/symbols-outline/preview.lua
@@ -1,5 +1,4 @@
-local vim = vim
-local main = require 'symbols-outline'
+local so = require 'symbols-outline'
 local config = require 'symbols-outline.config'
 
 local M = {}
@@ -13,21 +12,21 @@ local state = {
 
 local function is_current_win_outline()
   local curwin = vim.api.nvim_get_current_win()
-  return curwin == main.state.outline_win
+  return curwin == so.view.winnr
 end
 
 local function has_code_win()
-  local isWinValid = vim.api.nvim_win_is_valid(main.state.code_win)
+  local isWinValid = vim.api.nvim_win_is_valid(so.state.code_win)
   if not isWinValid then
     return false
   end
-  local bufnr = vim.api.nvim_win_get_buf(main.state.code_win)
+  local bufnr = vim.api.nvim_win_get_buf(so.state.code_win)
   local isBufValid = vim.api.nvim_buf_is_valid(bufnr)
   return isBufValid
 end
 
 local function get_offset()
-  local outline_winnr = main.state.outline_win
+  local outline_winnr = so.view.winnr
   local width = 53
   local height = 0
 
@@ -49,13 +48,13 @@ local function get_height()
 end
 
 local function get_hovered_node()
-  local hovered_line = vim.api.nvim_win_get_cursor(main.state.outline_win)[1]
-  local node = main.state.outline_items[hovered_line]
+  local hovered_line = vim.api.nvim_win_get_cursor(so.view.winnr)[1]
+  local node = so.state.outline_items[hovered_line]
   return node
 end
 
 local function update_preview(code_buf)
-  code_buf = code_buf or vim.api.nvim_win_get_buf(main.state.code_win)
+  code_buf = code_buf or vim.api.nvim_win_get_buf(so.state.code_win)
 
   local node = get_hovered_node()
   if not node then
@@ -73,7 +72,7 @@ local function update_preview(code_buf)
 end
 
 local function setup_preview_buf()
-  local code_buf = vim.api.nvim_win_get_buf(main.state.code_win)
+  local code_buf = vim.api.nvim_win_get_buf(so.state.code_win)
   local ft = vim.api.nvim_buf_get_option(code_buf, 'filetype')
 
   local function treesitter_attach()
@@ -113,7 +112,7 @@ local function update_hover()
   end
 
   local provider = _G._symbols_outline_current_provider
-  local params = get_hover_params(node, main.state.code_win)
+  local params = get_hover_params(node, so.state.code_win)
 
   provider.hover_info(params.bufnr, params, function(err, result)
     if err then
@@ -146,7 +145,7 @@ local function setup_hover_buf()
   if not has_code_win() then
     return
   end
-  local code_buf = vim.api.nvim_win_get_buf(main.state.code_win)
+  local code_buf = vim.api.nvim_win_get_buf(so.state.code_win)
   local ft = vim.api.nvim_buf_get_option(code_buf, 'filetype')
   vim.api.nvim_buf_set_option(state.hover_buf, 'syntax', ft)
   vim.api.nvim_buf_set_option(state.hover_buf, 'bufhidden', 'delete')