feat: allow custom input provider, removing dressing.nvim (#2173)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: yetone <yetoneful@gmail.com>

lua/avante/providers/init.lua

@@ -3,13 +3,6 @@ local api, fn = vim.api, vim.fn
 local Config = require("avante.config")
 local Utils = require("avante.utils")
 
-local DressingConfig = {
-  conceal_char = "*",
-  filetype = "DressingInput",
-  close_window = function() require("dressing.input").close() end,
-}
-local DressingState = { winid = nil, input_winid = nil, input_bufnr = nil }
-
 ---@class avante.Providers
 ---@field openai AvanteProviderFunctor
 ---@field claude AvanteProviderFunctor
@@ -78,7 +71,7 @@ function E.setup(opts)
     end
   end
 
-  local function mount_dressing_buffer()
+  local function mount_input_ui()
     vim.defer_fn(function()
       -- only mount if given buffer is not of buftype ministarter, dashboard, alpha, qf
       local exclude_filetypes = {
@@ -93,46 +86,30 @@ function E.setup(opts)
         "gitcommit",
         "gitrebase",
         "DressingInput",
+        "snacks_input",
         "noice",
       }
 
       if not vim.tbl_contains(exclude_filetypes, vim.bo.filetype) and not opts.provider.is_env_set() then
-        DressingState.winid = api.nvim_get_current_win()
-        vim.ui.input({ default = "", prompt = "Enter " .. var .. ": " }, on_confirm)
-        for _, winid in ipairs(api.nvim_list_wins()) do
-          local bufnr = api.nvim_win_get_buf(winid)
-          if vim.bo[bufnr].filetype == DressingConfig.filetype then
-            DressingState.input_winid = winid
-            DressingState.input_bufnr = bufnr
-            vim.wo[winid].conceallevel = 2
-            vim.wo[winid].concealcursor = "nvi"
-            break
-          end
-        end
-
-        local prompt_length = api.nvim_strwidth(fn.prompt_getprompt(DressingState.input_bufnr))
-        api.nvim_buf_call(
-          DressingState.input_bufnr,
-          function()
-            vim.cmd(string.format(
-              [[
-      syn region SecretValue start=/^/ms=s+%s end=/$/ contains=SecretChar
-      syn match SecretChar /./ contained conceal %s
-      ]],
-              prompt_length,
-              "cchar=*"
-            ))
-          end
-        )
+        local Input = require("avante.ui.input")
+        local input = Input:new({
+          provider = Config.input.provider,
+          title = "Enter " .. var .. ": ",
+          default = "",
+          conceal = true, -- Password input should be concealed
+          provider_opts = Config.input.provider_opts,
+          on_submit = on_confirm,
+        })
+        input:open()
       end
     end, 200)
   end
 
-  if refresh then return mount_dressing_buffer() end
+  if refresh then return mount_input_ui() end
 
   api.nvim_create_autocmd("User", {
     pattern = E.REQUEST_LOGIN_PATTERN,
-    callback = mount_dressing_buffer,
+    callback = mount_input_ui,
   })
 end