RFC: cmdline completion (#362)

* manual support dot-repeat

* cmdwin and terminal

* cmdline only

* Fix

* fix

* Improve

* Fix test

* Support macro

* disable cmdline for now

* Simplify

* fmt

* consume once

* Ignore = type

* cmdline

* fmt

* Improve

* update

* fmt

* Support incsearch

* fix

* Add api

* Avoid cmdline completion if the native_menu enabled

* fix for macro

* Improve

* fmt

* Insert-mode only by default

* Update

* avoid conflict

* Improve default mapping

* Fix

* fix

* similar to native

* Update

* Fix README.md

* Improve

* Use <afile>

lua/cmp/init.lua

@@ -70,10 +70,6 @@ cmp.close = function()
     cmp.core:reset()
     vim.schedule(release)
     return true
-  elseif vim.fn.pumvisible() == 1 then
-    vim.fn.complete(1, {})
-    cmp.core:reset()
-    return true
   else
     return false
   end
@@ -86,14 +82,16 @@ cmp.abort = function()
     cmp.core.view:abort()
     vim.schedule(release)
     return true
-  elseif vim.fn.pumvisible() == 1 then
-    vim.api.nvim_select_popupmenu_item(-1, true, true, {})
-    return true
   else
     return false
   end
 end
 
+---Suspend completion.
+cmp.suspend = function()
+  return cmp.core:suspend()
+end
+
 ---Select next item if possible
 cmp.select_next_item = function(option)
   option = option or {}
@@ -252,6 +250,9 @@ cmp.setup = setmetatable({
   buffer = function(c)
     config.set_buffer(c, vim.api.nvim_get_current_buf())
   end,
+  cmdline = function(type, c)
+    config.set_cmdline(c, type)
+  end,
 }, {
   __call = function(self, c)
     self.global(c)