dev (#1)

* dev * Improve sync design * Support buffer local mapping * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * stylua * tmp * tmp * tmp * tmp * tmp * tmp * tmp * integration * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * update * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp * tmp
2021-08-04 01:07:12 +09:00
parent b32a6e7e77
commit d23d3533cf
53 changed files with 4681 additions and 0 deletions
--- a/lua/cmp/utils/keymap.lua
+++ b/lua/cmp/utils/keymap.lua
@@ -0,0 +1,134 @@
+local misc = require('cmp.utils.misc')
+local cache = require('cmp.utils.cache')
+
+local keymap = {}
+
+---The mapping of vim notation and chars.
+keymap._table = {
+  ['<CR>'] = { '\n', '\r', '\r\n' },
+  ['<Tab>'] = { '\t' },
+  ['<BSlash>'] = { '\\' },
+  ['<Bar>'] = { '|' },
+  ['<Space>'] = { ' ' },
+}
+
+---Shortcut for nvim_replace_termcodes
+---@param keys string
+---@return string
+keymap.t = function(keys)
+  return vim.api.nvim_replace_termcodes(keys, true, true, true)
+end
+
+---Return vim notation keymapping (simple conversion).
+---@param s string
+---@return string
+keymap.to_keymap = function(s)
+  return string.gsub(s, '.', function(c)
+    for key, chars in pairs(keymap._table) do
+      if vim.tbl_contains(chars, c) then
+        return key
+      end
+    end
+    return c
+  end)
+end
+
+---Feedkeys with callback
+keymap.feedkeys = setmetatable({
+  callbacks = {},
+}, {
+__call = function(self, keys, mode, callback)
+    vim.fn.feedkeys(keymap.t(keys), mode)
+
+    if callback then
+      local current_mode = string.sub(vim.api.nvim_get_mode().mode, 1, 1)
+      local id = misc.id('cmp.utils.keymap.feedkeys')
+      local cb = ('<Plug>(cmp-utils-keymap-feedkeys:%s)'):format(id)
+      self.callbacks[id] = function()
+        callback()
+        vim.api.nvim_buf_del_keymap(0, current_mode, cb)
+        return keymap.t('<Ignore>')
+      end
+      vim.api.nvim_buf_set_keymap(0, current_mode, cb, ('v:lua.cmp.utils.keymap.feedkeys.expr(%s)'):format(id), {
+        expr = true,
+        nowait = true,
+        silent = true,
+      })
+      vim.fn.feedkeys(keymap.t(cb), '')
+    end
+  end
+})
+misc.set(_G, { 'cmp', 'utils', 'keymap', 'feedkeys', 'expr' }, function(id)
+  if keymap.feedkeys.callbacks[id] then
+    keymap.feedkeys.callbacks[id]()
+  end
+  return keymap.t('<Ignore>')
+end)
+
+---Register keypress handler.
+keymap.listen = setmetatable({
+  cache = cache.new(),
+}, {
+  __call = function(_, keys, callback)
+    keys = keymap.to_keymap(keys)
+
+    local bufnr = vim.api.nvim_get_current_buf()
+    if keymap.listen.cache:get({ bufnr, keys }) then
+      return
+    end
+
+    local existing = nil
+    for _, map in ipairs(vim.api.nvim_buf_get_keymap(0, 'i')) do
+      if existing then
+        break
+      end
+      if map.lhs == keys then
+        existing = map
+      end
+    end
+    for _, map in ipairs(vim.api.nvim_get_keymap('i')) do
+      if existing then
+        break
+      end
+      if map.lhs == keys then
+        existing = map
+        break
+      end
+    end
+    existing = existing or {
+      lhs = keys,
+      rhs = keys,
+      expr = 0,
+      nowait = 0,
+      noremap = 1,
+    }
+
+    keymap.listen.cache:set({ bufnr, keys }, {
+      existing = existing,
+      callback = callback,
+    })
+    vim.api.nvim_buf_set_keymap(0, 'i', keys, ('v:lua.cmp.utils.keymap.expr("%s")'):format(keys), {
+      expr = true,
+      nowait = true,
+      noremap = true,
+    })
+  end,
+})
+misc.set(_G, { 'cmp', 'utils', 'keymap', 'expr' }, function(keys)
+  keys = keymap.to_keymap(keys)
+  local bufnr = vim.api.nvim_get_current_buf()
+
+  local existing = keymap.listen.cache:get({ bufnr, keys }).existing
+  local callback = keymap.listen.cache:get({ bufnr, keys }).callback
+  callback(keys, function()
+    vim.api.nvim_buf_set_keymap(0, 'i', '<Plug>(cmp-utils-keymap:_)', existing.rhs, {
+      expr = existing.expr == 1,
+      noremap = existing.noremap == 1,
+    })
+    vim.fn.feedkeys(keymap.t('<Plug>(cmp-utils-keymap:_)'), 'i')
+  end)
+  return keymap.t('<Ignore>')
+end)
+
+return keymap
+