Use floating window for completion menus (#224)

* WIP

* WIP

* Fix #226

* Insert text

* Emulate vim native

* テキトウ

* Tekito

* Move scrollbar impl

* aaa

* Ignore unexpected event

* fix

* fix scroll

* Refactor (conflict...)

* Fix bug

* Positive integer

* Refactor a bit

* Fix for pumheight=0

* fx

* Improve matching highlight

* Improve colorscheme handling

* fmt

* Add cmp.visible

* Fix pum pos

* ABBR_MARGIN

* Fix cel calculation

* up

* refactor

* fix

* a

* a

* compat

* Remove current completion state

* Fix ghost text

* Add feature toggle

* highlight customization

* Update

* Add breaking change announcement

* Add README.md

* Remove unused function

* extmark ephemeral ghost text

* Support native comp

* Fix docs  pos

* a

* Remove if native menu visible

* theme async

* Improvement idea: option to disables insert on select item (#240)

* use ghost text instead of insertion on prev/next item

* add disables_insert_on_selection option

* move disable_insert_on_select option as argumet on

* update README

* use an enum behavior to disable insert on select

* Adopt contribution

* Preselect

* Improve

* Change configuration option

* a

* Improve

* Improve

* Implement proper <C-e> behavior to native/custom

* Support <C-c> maybe

* Improve docs view

* Improve

* Avoid syntax leak

* TODO: refactor

* Fix

* Revert win pos

* fmt

* ghost text remaining

* Don't use italic by default

* bottom

* dedup by label

* Ignore events

* up

* Hacky native view partial support

* up

* perf

* improve

* more cache

* fmt

* Fix format option

* fmt

* recheck

* Fix

* Improve

* Improve

* compat

* implement redraw

* improve

* up

* fmt/lint

* immediate ghost text

* source timeout

* up

* Support multibyte

* disable highlight

* up

* improve

* fmt

* fmt

* fix

* fix

* up

* up

* Use screenpos

* Add undojoin check

* Fix height

* matcher bug

* Fix dot-repeat

* Remove undojoin

* macro

* Support dot-repeat

* MacroSafe

* Default item count is 200

* fmt

Co-authored-by: Eric Puentes <eric.puentes@mercadolibre.com.co>

lua/cmp/config/default.lua

@@ -1,4 +1,5 @@
 local compare = require('cmp.config.compare')
+local mapping = require('cmp.config.mapping')
 local types = require('cmp.types')
 
 local WIDE_HEIGHT = 40
@@ -46,28 +47,58 @@ return function()
     sorting = {
       priority_weight = 2,
       comparators = {
-        compare.offset,
-        compare.exact,
-        compare.score,
-        compare.kind,
-        compare.sort_text,
-        compare.length,
-        compare.order,
+        function(e1, e2)
+          local diff
+          diff = compare.offset(e1, e2)
+          if diff ~= nil then
+            return diff
+          end
+          diff = compare.exact(e1, e2)
+          if diff ~= nil then
+            return diff
+          end
+          diff = compare.score(e1, e2)
+          if diff ~= nil then
+            return diff
+          end
+          diff = compare.kind(e1, e2)
+          if diff ~= nil then
+            return diff
+          end
+          diff = compare.sort_text(e1, e2)
+          if diff ~= nil then
+            return diff
+          end
+          diff = compare.length(e1, e2)
+          if diff ~= nil then
+            return diff
+          end
+          return compare.order(e1, e2)
+        end,
       },
     },
 
     event = {},
 
-    mapping = {},
+    mapping = {
+      ['<Down>'] = mapping.select_next_item({ behavior = types.cmp.SelectBehavior.Select }),
+      ['<Up>'] = mapping.select_prev_item({ behavior = types.cmp.SelectBehavior.Select }),
+      ['<C-n>'] = mapping.select_next_item({ behavior = types.cmp.SelectBehavior.Insert }),
+      ['<C-p>'] = mapping.select_prev_item({ behavior = types.cmp.SelectBehavior.Insert }),
+      ['<C-c>'] = function(fallback)
+        require('cmp').close()
+        fallback()
+      end,
+    },
 
     formatting = {
-      deprecated = false,
       format = function(_, vim_item)
         return vim_item
       end,
     },
 
     experimental = {
+      native_menu = false,
       ghost_text = false,
     },