1 files changed, 29 insertions, 19 deletions
diff --git a/lua/user/utils.lua b/lua/user/utils.lua
index ab1473f..3c6f89e 100644
--- a/lua/user/utils.lua
+++ b/lua/user/utils.lua
@@ -31,6 +31,35 @@ function M.may_create_dir(dir)
   end
 end
 
+-- toggle cmp completion
+vim.g.cmp_toggle_flag = false -- initialize
+local normal_buftype = function()
+  return vim.api.nvim_buf_get_option(0, "buftype") ~= "prompt"
+end
+M.toggle_completion = function()
+  local ok, cmp = pcall(require, "cmp")
+  if ok then
+    local next_cmp_toggle_flag = not vim.g.cmp_toggle_flag
+    if next_cmp_toggle_flag then
+      print("completion on")
+    else
+      print("completion off")
+    end
+    cmp.setup({
+      enabled = function()
+        vim.g.cmp_toggle_flag = next_cmp_toggle_flag
+        if next_cmp_toggle_flag then
+          return normal_buftype
+        else
+          return next_cmp_toggle_flag
+        end
+      end,
+    })
+  else
+    print("completion not available")
+  end
+end
+
 function M.get_nvim_version()
   local actual_ver = vim.version()
 
@@ -38,25 +67,6 @@ function M.get_nvim_version()
   return nvim_ver_str
 end
 
---- Generate random integers in the range [Low, High], inclusive,
---- adapted from https://stackoverflow.com/a/12739441/6064933
---- @low: the lower value for this range
---- @high: the upper value for this range
-function M.rand_int(low, high)
-  -- Use lua to generate random int, see also: https://stackoverflow.com/a/20157671/6064933
-  math.randomseed(os.time())
-
-  return math.random(low, high)
-end
-
---- Select a random element from a sequence/list.
---- @seq: the sequence to choose an element
-function M.rand_element(seq)
-  local idx = M.rand_int(1, #seq)
-
-  return seq[idx]
-end
-
 function M.add_pack(name)
   local status, error = pcall(vim.cmd, "packadd " .. name)