patch 8.1.1676: "maxwidth" of popup window does not always work properly
Problem: "maxwidth" of popup window does not always work properly.
Solution: Adjust the computation. (Naruhiko Nishino, closes #4653)
diff --git a/src/testdir/test_popupwin.vim b/src/testdir/test_popupwin.vim
index a55e913..456e0db 100644
--- a/src/testdir/test_popupwin.vim
+++ b/src/testdir/test_popupwin.vim
@@ -1819,3 +1819,46 @@
call assert_equal([], bufinfo.popups)
exe 'bwipe! ' .. buf
endfunc
+
+func Test_popup_menu_with_maxwidth()
+ if !CanRunVimInTerminal()
+ throw 'Skipped: cannot make screendumps'
+ endif
+
+ let lines =<< trim END
+ call setline(1, range(1, 10))
+ hi ScrollThumb ctermbg=blue
+ hi ScrollBar ctermbg=red
+ func PopupMenu(lines, line, col, scrollbar = 0)
+ return popup_menu(a:lines, {
+ \ 'maxwidth': 10,
+ \ 'maxheight': 3,
+ \ 'pos' : 'topleft',
+ \ 'col' : a:col,
+ \ 'line' : a:line,
+ \ 'scrollbar' : a:scrollbar,
+ \ })
+ endfunc
+ call PopupMenu(['x'], 1, 1)
+ call PopupMenu(['123456789|'], 1, 16)
+ call PopupMenu(['123456789|' .. ' '], 7, 1)
+ call PopupMenu([repeat('123456789|', 100)], 7, 16)
+ call PopupMenu(repeat(['123456789|' .. ' '], 5), 1, 33, 1)
+ END
+ call writefile(lines, 'XtestPopupMenuMaxWidth')
+ let buf = RunVimInTerminal('-S XtestPopupMenuMaxWidth', {'rows': 13})
+ call VerifyScreenDump(buf, 'Test_popupwin_menu_maxwidth_1', {})
+
+ " close the menu popupwin.
+ call term_sendkeys(buf, " ")
+ call term_sendkeys(buf, " ")
+ call term_sendkeys(buf, " ")
+ call term_sendkeys(buf, " ")
+ call term_sendkeys(buf, " ")
+
+ " clean up
+ call StopVimInTerminal(buf)
+ call delete('XtestPopupMenuMaxWidth')
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab