1 files changed, 72 insertions, 0 deletions
diff --git a/lua/blink/cmp/completion/windows/render/text.lua b/lua/blink/cmp/completion/windows/render/text.lua
new file mode 100644
index 0000000..b614edc
--- /dev/null
+++ b/lua/blink/cmp/completion/windows/render/text.lua
@@ -0,0 +1,72 @@
+local config = require('blink.cmp.config')
+local text_lib = {}
+
+--- Applies the component width settings to the text
+--- @param text string
+--- @param component blink.cmp.DrawComponent
+--- @return string text
+function text_lib.apply_component_width(text, component)
+  local width = component.width or {}
+  if width.fixed ~= nil then return text_lib.set_width(text, width.fixed, component) end
+  if width.min ~= nil then text = text_lib.pad(text, width.min) end
+  if width.max ~= nil then text = text_lib.truncate(text, width.max, component.ellipsis) end
+  return text
+end
+
+--- Sets the text width to the given width
+--- @param text string
+--- @param width number
+--- @param component blink.cmp.DrawComponent
+--- @return string text
+function text_lib.set_width(text, width, component)
+  local length = vim.api.nvim_strwidth(text)
+  if length > width then
+    return text_lib.truncate(text, width, component.ellipsis)
+  elseif length < width then
+    return text_lib.pad(text, width)
+  else
+    return text
+  end
+end
+
+--- Truncates the text to the given width
+--- @param text string
+--- @param target_width number
+--- @param ellipsis? boolean
+--- @return string truncated_text
+function text_lib.truncate(text, target_width, ellipsis)
+  local ellipsis_str = ellipsis ~= false and '…' or ''
+  if ellipsis ~= false and config.nerd_font_variant == 'normal' then ellipsis_str = ellipsis_str .. ' ' end
+
+  local text_width = vim.api.nvim_strwidth(text)
+  local ellipsis_width = vim.api.nvim_strwidth(ellipsis_str)
+  if text_width > target_width then
+    return vim.fn.strcharpart(text, 0, target_width - ellipsis_width) .. ellipsis_str
+  end
+  return text
+end
+
+--- Pads the text to the given width
+--- @param text string
+--- @param target_width number
+--- @return string padded_text The amount of padding added to the left and the padded text
+function text_lib.pad(text, target_width)
+  local text_width = vim.api.nvim_strwidth(text)
+  if text_width >= target_width then return text end
+  return text .. string.rep(' ', target_width - text_width)
+
+  -- if alignment == 'left' then
+  --   return 0, text .. string.rep(' ', target_width - text_width)
+  -- elseif alignment == 'center' then
+  --   local extra_space = target_width - text_width
+  --   local half_width_start = math.floor(extra_space / 2)
+  --   local half_width_end = math.ceil(extra_space / 2)
+  --   return half_width_start, string.rep(' ', half_width_start) .. text .. string.rep(' ', half_width_end)
+  -- elseif alignment == 'right' then
+  --   return target_width - text_width, string.rep(' ', target_width - text_width) .. text
+  -- else
+  --   error('Invalid alignment: ' .. alignment)
+  -- end
+end
+
+return text_lib