feat: lock position to context start

Author: Saghen

lua/blink/cmp/windows/autocomplete.lua

@@ -3,6 +3,7 @@
 local config = require('blink.cmp.config')
 local autocomplete = {
   items = {},
+  context = nil,
   event_targets = {
     on_position_update = function() end,
     on_select = function() end,
@@ -49,7 +50,10 @@ function autocomplete.setup()
 
   vim.api.nvim_create_autocmd('CursorMovedI', {
     callback = function()
-      autocomplete.win:update_position('cursor')
+      if autocomplete.context == nil then return end
+
+      local cursor_column = vim.api.nvim_win_get_cursor(0)[2]
+      autocomplete.win:update_position('cursor', autocomplete.context.bounds.start_col - cursor_column - 1)
       autocomplete.event_targets.on_position_update()
     end,
   })
@@ -59,12 +63,14 @@ end
 
 ---------- Visibility ----------
 
-function autocomplete.open_with_items(items)
+function autocomplete.open_with_items(context, items)
   autocomplete.items = items
+  autocomplete.context = context
   autocomplete.draw()
 
   autocomplete.win:open()
-  autocomplete.win:update_position('cursor')
+  local cursor_column = vim.api.nvim_win_get_cursor(0)[2]
+  autocomplete.win:update_position('cursor', autocomplete.context.bounds.start_col - cursor_column - 1)
   autocomplete.event_targets.on_position_update()
 
   -- todo: some logic to maintain the selection if the user moved the cursor?

lua/blink/cmp/windows/lib.lua

@@ -68,8 +68,8 @@ function win:close()
   end
 end
 
--- todo: dynamic width
-function win:update_position(relative_to)
+-- todo: move this code to the individual windows
+function win:update_position(relative_to, offset)
   if not self:is_open() then return end
   local winnr = self:get_win()
   local config = self.config
@@ -93,9 +93,9 @@ function win:update_position(relative_to)
     local is_space_below = screen_height - cursor_row > height
 
     if is_space_below then
-      vim.api.nvim_win_set_config(winnr, { relative = 'cursor', row = 1, col = 0 })
+      vim.api.nvim_win_set_config(winnr, { relative = 'cursor', row = 1, col = offset })
     else
-      vim.api.nvim_win_set_config(winnr, { relative = 'cursor', row = -height, col = 0 })
+      vim.api.nvim_win_set_config(winnr, { relative = 'cursor', row = -height, col = offset })
     end
 
   -- relative to window