patch 8.1.1645: cannot use a popup window for a balloon
Problem: Cannot use a popup window for a balloon.
Solution: Add popup_beval(). Add the "mousemoved" property. Add the
screenpos() function.
diff --git a/src/testdir/test_cursor_func.vim b/src/testdir/test_cursor_func.vim
index 1231957..0f638b3 100644
--- a/src/testdir/test_cursor_func.vim
+++ b/src/testdir/test_cursor_func.vim
@@ -72,3 +72,31 @@
call assert_equal(6, winsaveview().curswant)
quit!
endfunc
+
+func Test_screenpos()
+ rightbelow new
+ rightbelow 20vsplit
+ call setline(1, ["\tsome text", "long wrapping line here", "next line"])
+ redraw
+ let winid = win_getid()
+ let [winrow, wincol] = win_screenpos(winid)
+ call assert_equal({'row': winrow,
+ \ 'col': wincol + 0,
+ \ 'curscol': wincol + 7,
+ \ 'endcol': wincol + 7}, screenpos(winid, 1, 1))
+ call assert_equal({'row': winrow,
+ \ 'col': wincol + 13,
+ \ 'curscol': wincol + 13,
+ \ 'endcol': wincol + 13}, screenpos(winid, 1, 7))
+ call assert_equal({'row': winrow + 2,
+ \ 'col': wincol + 1,
+ \ 'curscol': wincol + 1,
+ \ 'endcol': wincol + 1}, screenpos(winid, 2, 22))
+ setlocal number
+ call assert_equal({'row': winrow + 3,
+ \ 'col': wincol + 9,
+ \ 'curscol': wincol + 9,
+ \ 'endcol': wincol + 9}, screenpos(winid, 2, 22))
+ close
+ bwipe!
+endfunc