diff options
Diffstat (limited to 'src/corelib/global/qflags.h')
| -rw-r--r-- | src/corelib/global/qflags.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/corelib/global/qflags.h b/src/corelib/global/qflags.h index bdfc453e08..097f2760b4 100644 --- a/src/corelib/global/qflags.h +++ b/src/corelib/global/qflags.h @@ -47,6 +47,10 @@ #include <QtCore/qtypeinfo.h> #include <QtCore/qtypetraits.h> +#ifdef Q_COMPILER_INITIALIZER_LISTS +#include <initializer_list> +#endif + QT_BEGIN_NAMESPACE class QFlag @@ -116,6 +120,11 @@ public: Q_DECL_CONSTEXPR inline QFlags(Zero = 0) : i(0) {} Q_DECL_CONSTEXPR inline QFlags(QFlag f) : i(f) {} +#ifdef Q_COMPILER_INITIALIZER_LISTS + Q_DECL_CONSTEXPR inline QFlags(std::initializer_list<Enum> flags) + : i(initializer_list_helper(flags.begin(), flags.end())) {} +#endif + inline QFlags &operator&=(int mask) { i &= mask; return *this; } inline QFlags &operator&=(uint mask) { i &= mask; return *this; } inline QFlags &operator&=(Enum mask) { i &= Int(mask); return *this; } @@ -139,6 +148,14 @@ public: Q_DECL_CONSTEXPR inline bool testFlag(Enum f) const { return (i & Int(f)) == Int(f) && (Int(f) != 0 || i == Int(f) ); } private: +#ifdef Q_COMPILER_INITIALIZER_LISTS + Q_DECL_CONSTEXPR static inline Int initializer_list_helper(typename std::initializer_list<Enum>::const_iterator it, + typename std::initializer_list<Enum>::const_iterator end) + { + return (it == end ? Int(0) : (Int(*it) | initializer_list_helper(it + 1, end))); + } +#endif + Int i; }; |