From 94e21970dd02834db1de0816dc08cb7b9e47b2fc Mon Sep 17 00:00:00 2001
From: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Mon, 15 Feb 2021 18:49:02 -0800
Subject: [PATCH] Pass the completion trigger kind

---
 autoload/handlers.vim  | 2 +-
 autoload/lsp.vim       | 9 +++++++--
 autoload/lspserver.vim | 4 ++--
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/autoload/handlers.vim b/autoload/handlers.vim
index caf0783..bf1711d 100644
--- a/autoload/handlers.vim
+++ b/autoload/handlers.vim
@@ -37,7 +37,6 @@ def s:processInitializeReply(lspserver: dict<any>, req: dict<any>, reply: dict<a
     lspserver.completionTriggerChars = triggers
   endif
 
-
   # send a "initialized" notification to server
   lspserver.sendInitializedNotif()
 
@@ -209,6 +208,7 @@ def s:processCompletionReply(lspserver: dict<any>, req: dict<any>, reply: dict<a
 	d.info = item.documentation.value
       endif
     endif
+    d.user_data = item
     completeItems->add(d)
   endfor
 
diff --git a/autoload/lsp.vim b/autoload/lsp.vim
index d2607db..f36e3a8 100644
--- a/autoload/lsp.vim
+++ b/autoload/lsp.vim
@@ -548,19 +548,24 @@ def lsp#complete()
     return
   endif
 
+  # Trigger kind is 1 for 24x7 code complete or manual invocation
+  var triggerKind: number = 1
+
   # If the character before the cursor is not a keyword character or is not
   # one of the LSP completion trigger characters, then do nothing.
   if line[cur_col - 2] !~ '\k'
     if lspserver.completionTriggerChars->index(line[cur_col - 2]) == -1
       return
     endif
+    # completion triggered by one of the trigger characters
+    triggerKind = 2
   endif
 
   # first send all the changes in the current buffer to the LSP server
   listener_flush()
 
   # initiate a request to LSP server to get list of completions
-  lspserver.getCompletion()
+  lspserver.getCompletion(triggerKind)
 
   return
 enddef
@@ -586,7 +591,7 @@ def lsp#omniFunc(findstart: number, base: string): any
     lspserver.completePending = v:true
     lspserver.completeItems = []
     # initiate a request to LSP server to get list of completions
-    lspserver.getCompletion()
+    lspserver.getCompletion(1)
 
     # locate the start of the word
     var line = getline('.')
diff --git a/autoload/lspserver.vim b/autoload/lspserver.vim
index db972b6..02f70ac 100644
--- a/autoload/lspserver.vim
+++ b/autoload/lspserver.vim
@@ -351,7 +351,7 @@ enddef
 # Get a list of completion items.
 # Request: "textDocument/completion"
 # Param: CompletionParams
-def s:getCompletion(lspserver: dict<any>): void
+def s:getCompletion(lspserver: dict<any>, triggerKind_arg: number): void
   # Check whether LSP server supports completion
   if !lspserver.caps->has_key('completionProvider')
     ErrMsg("Error: LSP server does not support completion")
@@ -369,7 +369,7 @@ def s:getCompletion(lspserver: dict<any>): void
   #   interface TextDocumentPositionParams
   req.params->extend(s:getLspTextDocPosition())
   #   interface CompletionContext
-  req.params->extend({context: {triggerKind: 1}})
+  req.params->extend({context: {triggerKind: triggerKind_arg}})
 
   lspserver.sendMessage(req)
 enddef
-- 
2.48.1