Merge pull request #33114 from zeertzjq/vim-9.1.1250

vim-patch:9.1.{1250,1255,1257}: 'pummaxwidth'

runtime/doc/news.txt

@@ -79,6 +79,7 @@ LUA
 OPTIONS
 
 • 'diffopt' `inline:` configures diff highlighting for changes within a line.
+• 'pummaxwidth' sets maximum width for the completion popup menu.
 
 PLUGINS
 

runtime/doc/options.txt

@@ -4623,6 +4623,14 @@ A jump table for the options with a short description can be found at |Q_op|.
 	Maximum number of items to show in the popup menu
 	(|ins-completion-menu|). Zero means "use available screen space".
 
+						*'pummaxwidth'* *'pmw'*
+'pummaxwidth' 'pmw'	number	(default 0)
+			global
+	Maximum width for the popup menu (|ins-completion-menu|).  When zero,
+	there is no maximum width limit, otherwise the popup menu will never be
+	wider than this value.  Truncated text will be indicated by "..." at the
+	end.  Takes precedence over 'pumwidth'.
+
 						*'pumwidth'* *'pw'*
 'pumwidth' 'pw'		number	(default 15)
 			global

runtime/lua/vim/_meta/options.lua

@@ -4802,6 +4802,17 @@ vim.o.ph = vim.o.pumheight
 vim.go.pumheight = vim.o.pumheight
 vim.go.ph = vim.go.pumheight
 
+--- Maximum width for the popup menu (`ins-completion-menu`).  When zero,
+--- there is no maximum width limit, otherwise the popup menu will never be
+--- wider than this value.  Truncated text will be indicated by "..." at the
+--- end.  Takes precedence over 'pumwidth'.
+---
+--- @type integer
+vim.o.pummaxwidth = 0
+vim.o.pmw = vim.o.pummaxwidth
+vim.go.pummaxwidth = vim.o.pummaxwidth
+vim.go.pmw = vim.go.pummaxwidth
+
 --- Minimum width for the popup menu (`ins-completion-menu`).  If the
 --- cursor column + 'pumwidth' exceeds screen width, the popup menu is
 --- nudged to fit on the screen.

runtime/optwin.vim

@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2025 Mar 07
+" Last Change:	2025 Mar 28
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If there already is an option window, jump to that one.
@@ -736,6 +736,8 @@ if has("insert_expand")
   call <SID>OptionG("ph", &ph)
   call <SID>AddOption("pumwidth", gettext("minimum width of the popup menu"))
   call <SID>OptionG("pw", &pw)
+  call <SID>AddOption("pummaxwidth", gettext("maximum width of the popup menu"))
+  call <SID>OptionG("pmw", &pmw)
   call <SID>AddOption("completefunc", gettext("user defined function for Insert mode completion"))
   call append("$", "\t" .. s:local_to_buffer)
   call <SID>OptionL("cfu")