blob: db6438e434ab67d05e959f6190f24e5e3aea0018 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
|
//! [0]
int MyLayout::heightForWidth(int w) const
{
if (cache_dirty || cached_width != w) {
// not all C++ compilers support "mutable"
MyLayout *that = (MyLayout*)this;
int h = calculateHeightForWidth(w);
that->cached_hfw = h;
return h;
}
return cached_hfw;
}
//! [0]
|