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Fix conversion operators for Qt type casters with latest pybind11.

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This commit is contained in:
Mikaël Capelle
2023-04-09 20:41:57 +02:00
parent 1effc57990
commit 1cdeb081b2
1 changed files with 18 additions and 6 deletions
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src/pybind11-qt/include/pybind11_qt/details/pybind11_qt_sip.h
+18 -6
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@@ -52,16 +52,28 @@ namespace pybind11::detail::qt {
}
}
template <class T,
std::enable_if_t<std::is_same_v<T, QClass> && !is_pointer, int> = 0>
operator T&()
// pybind11 requires operator T&() & and operator T&&() && but here we want to
// use SFINAE with is_pointer so we need to template the operator
//
// having a template <class U> operator U&&() does not work since it will not
// deduce the proper return type for QClass&& or QClass& so we have two separate
// overloads, and in each one, U is actually a reference type (lvalue or rvalue)
//
template <class U,
std::enable_if_t<std::is_same_v<std::remove_reference_t<U>, QClass> &&
std::is_lvalue_reference_v<U> && !is_pointer,
int> = 0>
operator U()
{
return value;
}
template <class T,
std::enable_if_t<std::is_same_v<T, QClass> && !is_pointer, int> = 0>
operator T&&() &&
template <class U,
std::enable_if_t<std::is_same_v<std::remove_reference_t<U>, QClass> &&
std::is_rvalue_reference_v<U> && !is_pointer,
int> = 0>
operator U() &&
{
return std::move(value);
}