From f0ecb8f9c2647b3cb010c1793ee3026e7064e8cf Mon Sep 17 00:00:00 2001
From: iamcco <ooiss@qq.com>
Date: Mon, 14 Jan 2019 22:11:00 +0800
Subject: [PATCH] add g:mkdp_echo_preview_url to display url when open preview
 page

---
 README.md              | 10 ++++++++++
 app/server.js          |  4 ++++
 autoload/mkdp/util.vim |  6 ++++++
 package.json           |  2 +-
 plugin/mkdp.vim        |  6 ++++++
 5 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d6b697b..548513f 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,10 @@ let g:mkdp_open_to_the_world = 0
 " default: ''
 let g:mkdp_browser = ''
 
+" set to 1, echo preview page url in command line when open preview page
+" default is 0
+let g:mkdp_echo_preview_url = 0
+
 " options for markdown render
 " mkit: markdown-it options for render
 " katex: katex options for math
@@ -99,6 +103,12 @@ command:
 :MarkdownPreviewStop
 ```
 
+### F&Q
+
+A: Why my sync scroll is slow reaction
+
+B: set `updatetime` to a small number, like `set updatetime=100`
+
 ### reference
 
 - [coc.nvim](https://github.com/neoclide/coc.nvim)
diff --git a/app/server.js b/app/server.js
index 877763b..c70bed0 100644
--- a/app/server.js
+++ b/app/server.js
@@ -118,6 +118,10 @@ async function startServer () {
       } else {
         opener(url)
       }
+      const isEchoUrl = await plugin.nvim.getVar('mkdp_echo_preview_url')
+      if (isEchoUrl) {
+        plugin.nvim.call('mkdp#util#echo_url', [url])
+      }
     }
     plugin.init({
       refreshPage,
diff --git a/autoload/mkdp/util.vim b/autoload/mkdp/util.vim
index 050fec3..44bed1f 100644
--- a/autoload/mkdp/util.vim
+++ b/autoload/mkdp/util.vim
@@ -15,6 +15,12 @@ function! mkdp#util#echo_messages(hl, msgs)
   echohl None
 endfunction
 
+" echo url
+function! mkdp#util#echo_url(url)
+  let l:url = 'Preview page: ' . a:url
+  call mkdp#util#echo_messages('Type', l:url)
+endfunction
+
 " try open preview page
 function! s:try_open_preview_page(timer_id) abort
   let l:server_status = mkdp#rpc#get_server_status()
diff --git a/package.json b/package.json
index 8b7f94c..fa678e2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "markdown-preview.vim",
-  "version": "0.0.5",
+  "version": "0.0.6",
   "description": "markdown preview plugin for (neo)vim",
   "bin": "./app/server.js",
   "repository": "https://github.com/iamcco/markdown-preview.vim.git",
diff --git a/plugin/mkdp.vim b/plugin/mkdp.vim
index 37471da..6884648 100644
--- a/plugin/mkdp.vim
+++ b/plugin/mkdp.vim
@@ -33,6 +33,12 @@ if !exists('g:mkdp_open_to_the_world')
   let g:mkdp_open_to_the_world = 0
 endif
 
+" set to 1, echo preview page url in command line when open preview page
+" default is 0
+if !exists('g:mkdp_echo_preview_url')
+  let g:mkdp_echo_preview_url = 0
+endif
+
 " switch browser to open preview page
 if !exists('g:mkdp_browser')
   let g:mkdp_browser = ''