Added xdg-open support

README.md

@@ -13,6 +13,7 @@ Vim Markdown Preview
     - [Browser](#browser)
     - [Temp File](#temp)
     - [Github Flavoured Markdown](#github)
+    - [Use xdg-open](#xdg)
 - [Behind the Scenes](#behind-the-scenes)
 
 Intro
@@ -137,6 +138,18 @@ Example: Use GitHub flavoured markdown.
 let vim_markdown_preview_github=1
 ```
 
+<a name='xdg'></a>
+### The `vim_markdown_preview_use_xdg_open` option
+
+If your system does not come with `see`, and you would like to use `xdg-open` to view your rendered html in the browser, set the following flag:
+
+Default: `0`
+
+Example: Use `xdg-open`.
+```vim
+let vim_markdown_preview_use_xdg_open=1
+```
+
 Behind The Scenes
 -----------------
 

plugin/vim-markdown-preview.vim

@@ -19,6 +19,10 @@ if !exists("g:vim_markdown_preview_github")
   let g:vim_markdown_preview_github = 0
 endif
 
+if !exists("g:vim_markdown_preview_use_xdg_open")
+    let g:vim_markdown_preview_use_xdg_open = 0
+endif
+
 if !exists("g:vim_markdown_preview_hotkey")
     let g:vim_markdown_preview_hotkey='<C-p>'
 endif
@@ -49,7 +53,11 @@ function! Vim_Markdown_Preview()
   if OSNAME == 'unix'
     let chrome_wid = system("xdotool search --name 'vim-markdown-preview.html - " . g:vim_markdown_preview_browser . "'")
     if !chrome_wid
-      call system('see /tmp/vim-markdown-preview.html &> /dev/null &')
+      if g:vim_markdown_preview_use_xdg_open == 1
+        call system('xdg-open /tmp/vim-markdown-preview.html &> /dev/null &')
+      else
+        call system('see /tmp/vim-markdown-preview.html &> /dev/null &')
+      endif
     else
       let curr_wid = system('xdotool getwindowfocus')
       call system('xdotool windowmap ' . chrome_wid)
@@ -98,7 +106,11 @@ function! Vim_Markdown_Preview_Local()
   if OSNAME == 'unix'
     let chrome_wid = system("xdotool search --name '". curr_file . ".html - " . g:vim_markdown_preview_browser . "'")
     if !chrome_wid
-      call system('see ' . curr_file . '.html &> /dev/null &')
+      if g:vim_markdown_preview_use_xdg_open == 1
+        call system('xdg-open /tmp/vim-markdown-preview.html &> /dev/null &')
+      else
+        call system('see /tmp/vim-markdown-preview.html &> /dev/null &')
+      endif
     else
       let curr_wid = system('xdotool getwindowfocus')
       call system('xdotool windowmap ' . chrome_wid)