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>
2021-10-08 18:27:33 +09:00
parent 5bed2dc9f3
commit ada9ddeff7
31 changed files with 1802 additions and 718 deletions
--- a/lua/cmp/view/ghost_text_view.lua
+++ b/lua/cmp/view/ghost_text_view.lua
@@ -0,0 +1,72 @@
+local config = require('cmp.config')
+local str = require('cmp.utils.str')
+local types = require('cmp.types')
+
+---@class cmp.GhostTextView
+local ghost_text_view = {}
+
+ghost_text_view.ns = vim.api.nvim_create_namespace('cmp:GHOST_TEXT')
+
+ghost_text_view.new = function()
+  local self = setmetatable({}, { __index = ghost_text_view })
+  self.win = nil
+  self.entry = nil
+  vim.api.nvim_set_decoration_provider(ghost_text_view.ns, {
+    on_win = function(_, win)
+      return win == self.win
+    end,
+    on_line = function(_)
+      local c = config.get().experimental.ghost_text
+      if not c then
+        return
+      end
+
+      if not self.entry then
+        return
+      end
+
+      local cursor = vim.api.nvim_win_get_cursor(0)
+      if string.sub(vim.api.nvim_get_current_line(), cursor[2] + 1) ~= '' then
+        return
+      end
+
+      local diff = 1 + cursor[2] - self.entry:get_offset()
+      local text = self.entry:get_insert_text()
+      if self.entry.completion_item.insertTextFormat == types.lsp.InsertTextFormat.Snippet then
+        text = vim.lsp.util.parse_snippet(text)
+      end
+      text = string.sub(str.oneline(text), diff + 1)
+      if #text > 0 then
+        vim.api.nvim_buf_set_extmark(0, ghost_text_view.ns, cursor[1] - 1, cursor[2], {
+          right_gravity = false,
+          virt_text = { { text, c.hl_group or 'Comment' } },
+          virt_text_pos = 'overlay',
+          hl_mode = 'combine',
+          ephemeral = true,
+        })
+      end
+    end,
+  })
+  return self
+end
+
+---Show ghost text
+---@param e cmp.Entry
+ghost_text_view.show = function(self, e)
+  local changed = e ~= self.entry
+  self.win = vim.api.nvim_get_current_win()
+  self.entry = e
+  if changed then
+    vim.cmd([[redraw!]]) -- force invoke decoration provider.
+  end
+end
+
+ghost_text_view.hide = function(self)
+  if self.win and self.entry then
+    self.win = nil
+    self.entry = nil
+    vim.cmd([[redraw!]]) -- force invoke decoration provider.
+  end
+end
+
+return ghost_text_view