feat: default to not showing in snippet

closes #131

Author: Saghen

lua/blink/cmp/config.lua

@@ -37,6 +37,7 @@
 --- @field blocked_trigger_characters? string[]
 --- @field show_on_insert_on_trigger_character? boolean When true, will show the completion window when the cursor comes after a trigger character when entering insert mode
 --- @field show_on_insert_blocked_trigger_characters? string[] List of additional trigger characters that won't trigger the completion window when the cursor comes after a trigger character when entering insert mode
+--- @field show_in_snippet? boolean When false, will not show the completion window when in a snippet
 ---
 --- @class blink.cmp.SignatureHelpTriggerConfig
 --- @field enabled? boolean
@@ -203,6 +204,8 @@ local config = {
       show_on_insert_on_trigger_character = true,
       -- list of additional trigger characters that won't trigger the completion window when the cursor comes after a trigger character when entering insert mode
       show_on_insert_blocked_trigger_characters = { "'", '"' },
+      -- when false, will not show the completion window when in a snippet
+      show_in_snippet = false,
     },
 
     signature_help = {

lua/blink/cmp/trigger/completion.lua

@@ -18,18 +18,25 @@ local trigger = {
   },
 }
 
+--- TODO: sweet mother of mary, massive refactor needed
 function trigger.activate_autocmds()
   local last_char = ''
   vim.api.nvim_create_autocmd('InsertCharPre', {
-    callback = function() last_char = vim.v.char end,
+    callback = function()
+      if vim.snippet.active() and not config.show_in_snippet and not trigger.context then return end
+      last_char = vim.v.char
+    end,
   })
 
   -- decide if we should show the completion window
   vim.api.nvim_create_autocmd('TextChangedI', {
     callback = function()
+      if vim.snippet.active() and not config.show_in_snippet and not trigger.context then
+        return
+
       -- we were told to ignore the text changed event, so we update the context
       -- but don't send an on_show event upstream
-      if trigger.ignore_next_text_changed then
+      elseif trigger.ignore_next_text_changed then
         if trigger.context ~= nil then trigger.show({ send_upstream = false }) end
         trigger.ignore_next_text_changed = false
 
@@ -62,6 +69,7 @@ function trigger.activate_autocmds()
   vim.api.nvim_create_autocmd({ 'CursorMovedI', 'InsertEnter' }, {
     callback = function(ev)
       if utils.is_blocked_buffer() then return end
+      if vim.snippet.active() and not config.show_in_snippet and not trigger.context then return end
 
       -- we were told to ignore the cursor moved event, so we update the context
       -- but don't send an on_show event upstream