feat: add back min_width to autocomplete

Author: Saghen

README.md

@@ -235,6 +235,7 @@ For LazyVim/distro users, you can disable nvim-cmp via:
 
   windows = {
     autocomplete = {
+      min_width = 30,
       max_height = 10,
       border = 'none',
       winhighlight = 'Normal:BlinkCmpMenu,FloatBorder:BlinkCmpMenuBorder,CursorLine:BlinkCmpMenuSelection,Search:None',

lua/blink/cmp/config.lua

@@ -82,6 +82,7 @@
 --- @field use_nvim_cmp_as_default? boolean
 
 --- @class blink.cmp.AutocompleteConfig
+--- @field min_width? number
 --- @field max_height? number
 --- @field border? blink.cmp.WindowBorder
 --- @field order? "top_down" | "bottom_up"
@@ -232,6 +233,7 @@ local config = {
 
   windows = {
     autocomplete = {
+      min_width = 15,
       max_height = 10,
       border = 'none',
       winhighlight = 'Normal:BlinkCmpMenu,FloatBorder:BlinkCmpMenuBorder,CursorLine:BlinkCmpMenuSelection,Search:None',

lua/blink/cmp/windows/autocomplete.lua

@@ -21,6 +21,7 @@ local autocomplete = {
 
 function autocomplete.setup()
   autocomplete.win = require('blink.cmp.windows.lib').new({
+    min_width = autocmp_config.min_width,
     max_height = autocmp_config.max_height,
     border = autocmp_config.border,
     winhighlight = autocmp_config.winhighlight,
@@ -207,7 +208,7 @@ function autocomplete.draw()
     )
   end
 
-  local max_lengths = renderer.get_max_lengths(components_list)
+  local max_lengths = renderer.get_max_lengths(components_list, autocmp_config.min_width)
   autocomplete.rendered_items = vim.tbl_map(
     function(component) return renderer.render(component, max_lengths) end,
     components_list
@@ -236,7 +237,12 @@ function autocomplete.render_item_simple(ctx)
   return {
     ' ',
     { ctx.kind_icon, ctx.icon_gap, hl_group = 'BlinkCmpKind' .. ctx.kind },
-    { ctx.item.label, fill = true, hl_group = ctx.deprecated and 'BlinkCmpLabelDeprecated' or 'BlinkCmpLabel' },
+    {
+      ctx.item.label,
+      fill = true,
+      hl_group = ctx.deprecated and 'BlinkCmpLabelDeprecated' or 'BlinkCmpLabel',
+      max_width = 50,
+    },
     ' ',
   }
 end
@@ -250,6 +256,7 @@ function autocomplete.render_item_reversed(ctx)
       ctx.item.label,
       fill = true,
       hl_group = ctx.deprecated and 'BlinkCmpLabelDeprecated' or 'BlinkCmpLabel',
+      max_width = 50,
     },
     ' ',
     { ctx.kind_icon, ctx.icon_gap, ctx.kind, hl_group = 'BlinkCmpKind' .. ctx.kind },

lua/blink/cmp/windows/lib/render.lua

@@ -41,10 +41,12 @@ function renderer.draw_highlights(rendered, bufnr, ns, line_number)
   end
 end
 
----@param strings string[]
----@param max_width? number
----@return blink.cmp.StringsBuild
-function renderer.build_strings(strings, max_width)
+--- Gets the concatenated text and length for a list of strings
+--- and truncates if necessary when max_width is set
+--- @param strings string[]
+--- @param max_width? number
+--- @return blink.cmp.StringsBuild
+function renderer.concat_strings(strings, max_width)
   local text = ''
   for _, component in ipairs(strings) do
     text = text .. component
@@ -67,20 +69,20 @@ function renderer.render(components, lengths)
       text = text .. component
       offset = offset + #component
     else
-      local build = renderer.build_strings(component, component.max_width)
+      local concatenated = renderer.concat_strings(component, component.max_width)
 
       table.insert(highlights, {
         start = offset + 1,
-        stop = offset + #build.text + 1,
+        stop = offset + #concatenated.text + 1,
         group = component.hl_group,
         params = component.hl_params,
       })
 
-      text = text .. build.text
-      offset = offset + #build.text
+      text = text .. concatenated.text
+      offset = offset + #concatenated.text
 
       if component.fill then
-        local spaces = lengths[i] - build.length
+        local spaces = lengths[i] - concatenated.length
         text = text .. string.rep(' ', spaces)
         offset = offset + spaces
       end
@@ -96,21 +98,27 @@ function renderer.get_length(component)
   if type(component) == 'string' then
     return vim.api.nvim_strwidth(component)
   else
-    local build = renderer.build_strings(component, component.max_width)
+    local build = renderer.concat_strings(component, component.max_width)
     return build.length
   end
 end
 
 --- @param components_list (blink.cmp.Component | string)[][]
+--- @param min_width number
 --- @return number[]
-function renderer.get_max_lengths(components_list)
+function renderer.get_max_lengths(components_list, min_width)
   local lengths = {}
   for _, components in ipairs(components_list) do
     for i, component in ipairs(components) do
       local length = renderer.get_length(component)
       if not lengths[i] or lengths[i] < length then lengths[i] = length end
     end
   end
+
+  for i, length in ipairs(lengths) do
+    if length < min_width then lengths[i] = min_width end
+  end
+
   return lengths
 end