patch 8.1.1622: wrong width if displaying a lot of lines in a popup window
Problem: Wrong width if displaying a lot of lines in a popup window.
Solution: Accurately compute the line overflow.
diff --git a/src/testdir/test_popupwin.vim b/src/testdir/test_popupwin.vim
index cc25976..f7579f5 100644
--- a/src/testdir/test_popupwin.vim
+++ b/src/testdir/test_popupwin.vim
@@ -1697,3 +1697,16 @@
redraw
call popup_close(winid)
endfunc
+
+func Test_popupwin_width()
+ let winid = popup_create(repeat(['short', 'long long long line', 'medium width'], 50), {
+ \ 'maxwidth': 40,
+ \ 'maxheight': 10,
+ \ })
+ for top in range(1, 20)
+ call popup_setoptions(winid, {'firstline': top})
+ redraw
+ call assert_equal(19, popup_getpos(winid).width)
+ endfor
+ call popup_clear()
+endfunc