paint the header on the all-day event or to-do items that are drawn into the All Day grid.
paint the header on the all-day event or to-do items that are
drawn into the All Day grid.

Note: We don't draw a header if there are too many All Day items
on the same day due to space limitations.  Same for the hour grid --
we don't draw the header if there isn't enough space.

BUG: 177395

svn path=/trunk/KDE/kdepim/; revision=897185

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi