From fba4a33b57e464db968c62fef5c8be6f2cb42d11 Mon Sep 17 00:00:00 2001
From: Will Hopkins <willothyh@gmail.com>
Date: Sun, 20 Apr 2025 13:28:36 -0700
Subject: [PATCH 1/2] feat: add accept hint popup

---
 lua/copilot-lsp/nes/ui.lua | 22 ++++++++++++++++++++++
 lua/copilot-lsp/types.lua  |  1 +
 2 files changed, 23 insertions(+)

diff --git a/lua/copilot-lsp/nes/ui.lua b/lua/copilot-lsp/nes/ui.lua
index cd9395c..064f812 100644
--- a/lua/copilot-lsp/nes/ui.lua
+++ b/lua/copilot-lsp/nes/ui.lua
@@ -5,6 +5,7 @@ local M = {}
 ---@param ns_id integer
 local function _dismiss_suggestion_ui(bufnr, suggestion_ui, ns_id)
     pcall(vim.api.nvim_win_close, suggestion_ui.preview_winnr, true)
+    pcall(vim.api.nvim_win_close, suggestion_ui.hint_winnr, true)
     pcall(vim.api.nvim_buf_clear_namespace, bufnr, ns_id, 0, -1)
 end
 
@@ -135,6 +136,27 @@ function M._display_next_suggestion(edits, ns_id)
         ui.preview_winnr = preview_winnr
     end
 
+    local hint_bufnr = vim.api.nvim_create_buf(false, true)
+    vim.api.nvim_buf_set_lines(hint_bufnr, 0, -1, false, { " ⇥ Accept" })
+
+    vim.bo[hint_bufnr].modifiable = false
+    vim.bo[hint_bufnr].buflisted = false
+    vim.bo[hint_bufnr].buftype = "nofile"
+    vim.bo[hint_bufnr].bufhidden = "wipe"
+
+    local hint_winnr = vim.api.nvim_open_win(hint_bufnr, false, {
+        relative = "cursor",
+        width = 10,
+        height = 1,
+        row = (suggestion.range["end"].line + lines.same_line) - vim.api.nvim_win_get_cursor(0)[1] - 1,
+        col = 0,
+        zindex = 150, -- above ins-completion, below messages
+        style = "minimal",
+        border = "none",
+    })
+
+    ui.hint_winnr = hint_winnr
+
     suggestion.ui = ui
 
     vim.b[bufnr].nes_state = suggestion
diff --git a/lua/copilot-lsp/types.lua b/lua/copilot-lsp/types.lua
index 6e3e9dd..a524ebe 100644
--- a/lua/copilot-lsp/types.lua
+++ b/lua/copilot-lsp/types.lua
@@ -11,6 +11,7 @@
 
 ---@class nes.EditSuggestionUI
 ---@field preview_winnr? integer
+---@field hint_winnr? integer
 
 ---@class nes.DeleteExtmark
 --- Holds row information for delete highlight extmark.

From 1e9c3d1317e22f4ced7d2c73edc874cc8d4716d5 Mon Sep 17 00:00:00 2001
From: Will Hopkins <willothyh@gmail.com>
Date: Mon, 21 Apr 2025 12:09:04 -0700
Subject: [PATCH 2/2] move hint win row logic to calculate function

---
 lua/copilot-lsp/nes/ui.lua | 12 ++++++++++--
 lua/copilot-lsp/types.lua  |  1 +
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/lua/copilot-lsp/nes/ui.lua b/lua/copilot-lsp/nes/ui.lua
index 064f812..5176891 100644
--- a/lua/copilot-lsp/nes/ui.lua
+++ b/lua/copilot-lsp/nes/ui.lua
@@ -60,6 +60,13 @@ function M._calculate_lines(suggestion)
         row = suggestion.range["end"].line + deleted_lines_count + 1,
     }
 
+    -- Calculate positions for hint window
+    ---@type nes.FloatWin
+    local hint_win = {
+        row = (suggestion.range["end"].line + same_line) - vim.api.nvim_win_get_cursor(0)[1] - 1,
+        height = 1,
+    }
+
     return {
         deleted_lines_count = deleted_lines_count,
         added_lines = added_lines,
@@ -68,6 +75,7 @@ function M._calculate_lines(suggestion)
         delete_extmark = delete_extmark,
         virt_lines_extmark = virt_lines_extmark,
         float_win = float_win,
+        hint_win = hint_win,
     }
 end
 
@@ -147,8 +155,8 @@ function M._display_next_suggestion(edits, ns_id)
     local hint_winnr = vim.api.nvim_open_win(hint_bufnr, false, {
         relative = "cursor",
         width = 10,
-        height = 1,
-        row = (suggestion.range["end"].line + lines.same_line) - vim.api.nvim_win_get_cursor(0)[1] - 1,
+        height = lines.hint_win.height,
+        row = lines.hint_win.row,
         col = 0,
         zindex = 150, -- above ins-completion, below messages
         style = "minimal",
diff --git a/lua/copilot-lsp/types.lua b/lua/copilot-lsp/types.lua
index a524ebe..e283bcb 100644
--- a/lua/copilot-lsp/types.lua
+++ b/lua/copilot-lsp/types.lua
@@ -37,3 +37,4 @@
 ---@field delete_extmark nes.DeleteExtmark
 ---@field virt_lines_extmark nes.VirtLinesExtmark
 ---@field float_win nes.FloatWin
+---@field hint_win nes.FloatWin