diff options
Diffstat (limited to 'src/corelib/text/qchar.h')
-rw-r--r-- | src/corelib/text/qchar.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/corelib/text/qchar.h b/src/corelib/text/qchar.h index 982abe9346..f66671e27c 100644 --- a/src/corelib/text/qchar.h +++ b/src/corelib/text/qchar.h @@ -101,12 +101,18 @@ public: LastValidCodePoint = 0x10ffff }; +#ifdef QT_IMPLICIT_QCHAR_CONSTRUCTION +#define QCHAR_MAYBE_IMPLICIT Q_IMPLICIT +#else +#define QCHAR_MAYBE_IMPLICIT explicit +#endif + constexpr Q_IMPLICIT QChar() noexcept : ucs(0) {} constexpr Q_IMPLICIT QChar(ushort rc) noexcept : ucs(rc) {} - constexpr Q_IMPLICIT QChar(uchar c, uchar r) noexcept : ucs(char16_t((r << 8) | c)) {} + constexpr QCHAR_MAYBE_IMPLICIT QChar(uchar c, uchar r) noexcept : ucs(char16_t((r << 8) | c)) {} constexpr Q_IMPLICIT QChar(short rc) noexcept : ucs(char16_t(rc)) {} - constexpr Q_IMPLICIT QChar(uint rc) noexcept : ucs(char16_t(rc & 0xffff)) {} - constexpr Q_IMPLICIT QChar(int rc) noexcept : ucs(char16_t(rc & 0xffff)) {} + constexpr QCHAR_MAYBE_IMPLICIT QChar(uint rc) noexcept : ucs(char16_t(rc & 0xffff)) {} + constexpr QCHAR_MAYBE_IMPLICIT QChar(int rc) noexcept : ucs(char16_t(rc & 0xffff)) {} constexpr Q_IMPLICIT QChar(SpecialCharacter s) noexcept : ucs(char16_t(s)) {} // implicit constexpr Q_IMPLICIT QChar(QLatin1Char ch) noexcept : ucs(ch.unicode()) {} // implicit constexpr Q_IMPLICIT QChar(char16_t ch) noexcept : ucs(ch) {} // implicit @@ -114,18 +120,19 @@ public: static_assert(sizeof(wchar_t) == sizeof(char16_t)); #endif #if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC) -# if !defined(_WCHAR_T_DEFINED) || defined(_NATIVE_WCHAR_T_DEFINED) constexpr Q_IMPLICIT QChar(wchar_t ch) noexcept : ucs(char16_t(ch)) {} // implicit -# endif #endif #ifndef QT_NO_CAST_FROM_ASCII + // Always implicit -- allow for 'x' => QChar conversions QT_ASCII_CAST_WARN constexpr Q_IMPLICIT QChar(char c) noexcept : ucs(uchar(c)) { } #ifndef QT_RESTRICTED_CAST_FROM_ASCII - QT_ASCII_CAST_WARN constexpr Q_IMPLICIT QChar(uchar c) noexcept : ucs(c) { } + QT_ASCII_CAST_WARN constexpr QCHAR_MAYBE_IMPLICIT QChar(uchar c) noexcept : ucs(c) { } #endif #endif +#undef QCHAR_MAYBE_IMPLICIT + static constexpr QChar fromUcs2(char16_t c) noexcept { return QChar{c}; } static constexpr inline auto fromUcs4(char32_t c) noexcept; |