From: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Fri, 28 Jul 2023 04:32:00 +0000 (-0700)
Subject: Add option to enalbe/disable omni-completion
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=6b68a0375775c36c973925b577caf0065a16a8b3;p=vim-lsp.git

Add option to enalbe/disable omni-completion
---

diff --git a/autoload/lsp/completion.vim b/autoload/lsp/completion.vim
index 37690a0..15f59c4 100644
--- a/autoload/lsp/completion.vim
+++ b/autoload/lsp/completion.vim
@@ -623,7 +623,9 @@ export def BufferInit(lspserver: dict<any>, bnr: number, ftype: string)
 		event: 'TextChangedI',
 		group: 'LSPBufferAutocmds',
 		cmd: 'LspComplete()'})
-  else
+  endif
+
+  if LspOmniComplEnabled(ftype)
     setbufvar(bnr, '&omnifunc', 'g:LspOmniFunc')
   endif
 
@@ -649,4 +651,13 @@ export def BufferInit(lspserver: dict<any>, bnr: number, ftype: string)
   autocmd_add(acmds)
 enddef
 
+# Buffer "bnr" is loaded in a window.  If omni-completion is enabled for this
+# buffer, then set the 'omnifunc' option.
+export def BufferLoadedInWin(bnr: number)
+  if !opt.lspOptions.autoComplete
+      && LspOmniComplEnabled(bnr->getbufvar('&filetype'))
+    setbufvar(bnr, '&omnifunc', 'g:LspOmniFunc')
+  endif
+enddef
+
 # vim: tabstop=8 shiftwidth=2 softtabstop=2
diff --git a/autoload/lsp/lsp.vim b/autoload/lsp/lsp.vim
index 930c115..7cf25ac 100644
--- a/autoload/lsp/lsp.vim
+++ b/autoload/lsp/lsp.vim
@@ -516,6 +516,7 @@ export def BufferLoadedInWin(bnr: number)
   if opt.lspOptions.autoHighlightDiags
     diag.DiagsRefresh(bnr)
   endif
+  completion.BufferLoadedInWin(bnr)
 enddef
 
 # Stop all the LSP servers
@@ -584,7 +585,13 @@ export def AddServer(serverList: list<dict<any>>)
       continue
     endif
     # Enable omni-completion by default
-    server.omnicompl = server->get('omnicompl', true)
+    var omnicompl_def: bool = false
+    if opt.lspOptions.omniComplete == true
+	|| (opt.lspOptions.omniComplete == null
+	    && !opt.lspOptions.autoComplete)
+      omnicompl_def = true
+    endif
+    server.omnicompl = server->get('omnicompl', omnicompl_def)
 
     if !server.path->executable()
       if !opt.lspOptions.ignoreMissingServer
diff --git a/autoload/lsp/options.vim b/autoload/lsp/options.vim
index ea35c6c..eae2093 100644
--- a/autoload/lsp/options.vim
+++ b/autoload/lsp/options.vim
@@ -73,6 +73,10 @@ export var lspOptions: dict<any> = {
   # Suppress adding a new line on completion selection with <CR>
   noNewlineInCompletion: false,
 
+  # Omni-completion support.  To keep backward compatibility, this option is
+  # set to null by default instead of false.
+  omniComplete: null,
+
   # Open outline window on right side
   outlineOnRight: false,
 
diff --git a/doc/lsp.txt b/doc/lsp.txt
index c30220b..dd5325e 100644
--- a/doc/lsp.txt
+++ b/doc/lsp.txt
@@ -552,6 +552,13 @@ noNewlineInCompletion	|Boolean| option.  Suppress adding a new line on
 			completion selection with <CR>.
 			By default this is set to false.
 
+						*lsp-opt-omniComplete*
+omniComplete		|Boolean| option. Enables or disables omni-completion.
+			By default this is set to v:false.  If "autoComplete"
+			is set to v:false, then omni-completion is enabled by
+			default.  By setting "omniComplete" option to v:false,
+			omni-completion can also be disabled.
+
 						*lsp-opt-outlineOnRight*
 outlineOnRight		|Boolean| option.  Open the outline window on the
 			right side, by default this is false.
@@ -1257,6 +1264,15 @@ do the filtering.  By default, case sensitive comparison is used to filter the
 returned items.  You can modify the 'completionMatcher' option to use either
 case insensitive or fuzzy comparison.
 
+To enable auto completion for all the buffers, set the "autoComplete" option
+to v:true (default).  To disable auto completion for all the buffers, set the
+"autoComplete" option to v:false.  If auto completion is disabled for all the
+buffers, then omni-completion is enabled.  To disable omni-completion for all
+the buffers, set the "omniComplete" option to v:false (default).  To enable
+omni-completion for all the buffers, set the "omniComplete" option to v:true.
+You can also enable or disable omni-completion for a specific language server,
+by setting the "omnicompl" item when registering the language server.
+
 In addition to the automatic completion and omni completion, it is possible to
 use external completion engines.  LSP client can be used as a completion source
 by repurposing `g:LspOmniFunc` function.  The adapter which interfaces with
@@ -1267,7 +1283,7 @@ returns the matches from LSP server.  If the LSP server is not ready to reply
 `g:LspOmniFunc` waits for up to 2 seconds.  This wait blocks the caller from
 doing other work, which may be a concern for asynchronous completion engines.
 To avoid blocking wait call `g:LspOmniCompletePending` function which returns
-`true` immediately if LSP server is not ready.  `g:LspOmniFunc` can be
+`true` immediately if the language server is not ready.  `g:LspOmniFunc` can be
 called (the second time) only after this function returns `false`.
 
 ==============================================================================