From b129a100c3f3dd4f33daa2cafd7b3575b5472f89 Mon Sep 17 00:00:00 2001
From: Iordanis Petkakis <12776461+dpetka2001@users.noreply.github.com>
Date: Sun, 30 Jun 2024 21:02:53 +0300
Subject: [PATCH] feat(cmp): attempt for dynamic width and trimming between
 fields

---
 lua/lazyvim/plugins/coding.lua | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/lua/lazyvim/plugins/coding.lua b/lua/lazyvim/plugins/coding.lua
index 4e79d6dd..47c0fb4d 100644
--- a/lua/lazyvim/plugins/coding.lua
+++ b/lua/lazyvim/plugins/coding.lua
@@ -54,9 +54,33 @@ return {
             if icons[item.kind] then
               item.kind = icons[item.kind] .. item.kind
             end
-            if entry.context.filetype == "rust" then
-              item.menu = nil
+
+            -- Set 'fixed_width' to false if not provided.
+            local fixed_width = vim.g.cmp_fixed_width or false
+
+            -- Set the fixed completion window width.
+            if fixed_width then
+              vim.o.pumwidth = fixed_width
             end
+
+            -- Get the width of the current window.
+            local win_width = vim.api.nvim_win_get_width(0)
+
+            -- Set the max content width based on either: 'fixed_width'
+            -- or a percentage of the window width, in this case 20%.
+            -- We subtract 10 from 'fixed_width' to leave room for 'kind' fields.
+            local max_content_width = fixed_width and fixed_width - 10 or math.floor(win_width * 0.25)
+
+            -- Truncate the completion entry text if it's longer than the
+            -- max content width. We subtract 3 from the max content width
+            -- to account for the "..." that will be appended to it.
+            if #item.abbr > (max_content_width / 2) then
+              item.abbr = vim.fn.strcharpart(item.abbr, 0, math.floor(max_content_width * 0.7) - 3) .. "..."
+            end
+            if item.menu and #item.menu > (max_content_width / 2) then
+              item.menu = vim.fn.strcharpart(item.menu, 0, math.floor(max_content_width * 0.7) - 3) .. "..."
+            end
+
             return item
           end,
         },