fix(input): move hints to bottom right (#533)

Uses vim.fn.winline() to determine correct hint buffer position

lua/avante/sidebar.lua

@@ -1374,6 +1374,13 @@ function Sidebar:create_input()
     end
   end
 
+  local function get_float_window_row()
+    local win_height = vim.api.nvim_win_get_height(self.input.winid)
+    local winline = Utils.winline(self.input.winid)
+    if winline >= win_height - 1 then return 0 end
+    return winline
+  end
+
   -- Create a floating window as a hint
   local function show_hint()
     close_hint() -- Close the existing hint window
@@ -1386,7 +1393,6 @@ function Sidebar:create_input()
 
     -- Get the current window size
     local win_width = api.nvim_win_get_width(self.input.winid)
-    local buf_height = api.nvim_buf_line_count(self.input.bufnr)
     local width = #hint_text
 
     -- Set the floating window options
@@ -1395,7 +1401,7 @@ function Sidebar:create_input()
       win = self.input.winid,
       width = width,
       height = 1,
-      row = buf_height,
+      row = get_float_window_row(),
       col = math.max(win_width - width, 0), -- Display in the bottom right corner
       style = "minimal",
       border = "none",
@@ -1409,7 +1415,7 @@ function Sidebar:create_input()
     api.nvim_win_set_hl_ns(hint_window, Highlights.hint_ns)
   end
 
-  api.nvim_create_autocmd({ "TextChanged", "TextChangedI" }, {
+  api.nvim_create_autocmd({ "TextChanged", "TextChangedI", "VimResized" }, {
     group = self.augroup,
     buffer = self.input.bufnr,
     callback = function()

lua/avante/utils/init.lua

@@ -514,4 +514,12 @@ function M.debounce(func, delay)
   end
 end
 
+function M.winline(winid)
+  local current_win = vim.api.nvim_get_current_win()
+  vim.api.nvim_set_current_win(winid)
+  local line = vim.fn.winline()
+  vim.api.nvim_set_current_win(current_win)
+  return line
+end
+
 return M