qglobal.h

qt-x11-opensource-src-4.1.4.tar.gz源码

#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION

/*
  The catch-all template.
*/

template <typename T> inline bool qIsDetached(T &) { return true; }

template <typename T>
class QTypeInfo
{
public:
    enum {
        isPointer = false,
        isComplex = true,
        isStatic = true,
        isLarge = (sizeof(T)>sizeof(void*)),
        isDummy = false
    };
};

template <typename T>
class QTypeInfo<T*>
{
public:
    enum {
        isPointer = true,
        isComplex = false,
        isStatic = false,
        isLarge = false,
        isDummy = false
    };
};

#else

template <typename T> char QTypeInfoHelper(T*(*)());
void* QTypeInfoHelper(...);

template <typename T> inline bool qIsDetached(T &) { return true; }

template <typename T>
class QTypeInfo
{
public:
    enum {
        isPointer = (1 == sizeof(QTypeInfoHelper((T(*)())0))),
        isComplex = !isPointer,
        isStatic = !isPointer,
        isLarge = (sizeof(T)>sizeof(void*)),
        isDummy = false
    };
};

#endif /* QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION */

/*
   Specialize a specific type with:

     Q_DECLARE_TYPEINFO(type, flags);

   where 'type' is the name of the type to specialize and 'flags' is
   logically-OR'ed combination of the flags below.
*/
enum { /* TYPEINFO flags */
    Q_COMPLEX_TYPE = 0,
    Q_PRIMITIVE_TYPE = 0x1,
    Q_STATIC_TYPE = 0,
    Q_MOVABLE_TYPE = 0x2,
    Q_DUMMY_TYPE = 0x4
};

#define Q_DECLARE_TYPEINFO(TYPE, FLAGS) \
template <> \
class QTypeInfo<TYPE> \
{ \
public: \
    enum { \
        isComplex = (((FLAGS) & Q_PRIMITIVE_TYPE) == 0), \
        isStatic = (((FLAGS) & (Q_MOVABLE_TYPE | Q_PRIMITIVE_TYPE)) == 0), \
        isLarge = (sizeof(TYPE)>sizeof(void*)), \
        isPointer = false, \
        isDummy = (((FLAGS) & Q_DUMMY_TYPE) != 0) \
    }; \
    static inline const char *name() { return #TYPE; } \
}

/*
   Specialize a shared type with:

     Q_DECLARE_SHARED(type);

   where 'type' is the name of the type to specialize.  NOTE: shared
   types must declare a 'bool isDetached(void) const;' member for this
   to work.
*/
#define Q_DECLARE_SHARED(TYPE) \
template <> inline bool qIsDetached<TYPE>(TYPE &t) { return t.isDetached(); }

/*
   QTypeInfo primitive specializations
*/
Q_DECLARE_TYPEINFO(bool, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(char, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(signed char, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(uchar, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(short, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(ushort, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(int, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(uint, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(long, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(ulong, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(qint64, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(quint64, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(float, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(double, Q_PRIMITIVE_TYPE);
#ifndef Q_OS_DARWIN
Q_DECLARE_TYPEINFO(long double, Q_PRIMITIVE_TYPE);
#endif

/*
   These functions make it possible to use standard C++ functions with
   a similar name from Qt header files (especially template classes).
*/
Q_CORE_EXPORT void *qMalloc(size_t size);
Q_CORE_EXPORT void qFree(void *ptr);
Q_CORE_EXPORT void *qRealloc(void *ptr, size_t size);
Q_CORE_EXPORT void *qMemCopy(void *dest, const void *src, size_t n);
Q_CORE_EXPORT void *qMemSet(void *dest, int c, size_t n);


/*
   Avoid some particularly useless warnings from some stupid compilers.
   To get ALL C++ compiler warnings, define QT_CC_WARNINGS or comment out
   the line "#define QT_NO_WARNINGS".
*/
#if !defined(QT_CC_WARNINGS)
#  define QT_NO_WARNINGS
#endif
#if defined(QT_NO_WARNINGS)
#  if defined(Q_CC_MSVC)
#    pragma warning(disable: 4251) /* class 'A' needs to have dll interface for to be used by clients of class 'B'. */
#    pragma warning(disable: 4244) /* 'conversion' conversion from 'type1' to 'type2', possible loss of data */
#    pragma warning(disable: 4275) /* non - DLL-interface classkey 'identifier' used as base for DLL-interface classkey 'identifier' */
#    pragma warning(disable: 4514) /* unreferenced inline/local function has been removed */
#    pragma warning(disable: 4800) /* 'type' : forcing value to bool 'true' or 'false' (performance warning) */
#    pragma warning(disable: 4097) /* typedef-name 'identifier1' used as synonym for class-name 'identifier2' */
#    pragma warning(disable: 4706) /* assignment within conditional expression */
#    pragma warning(disable: 4786) /* truncating debug info after 255 characters */
#    pragma warning(disable: 4660) /* template-class specialization 'identifier' is already instantiated */
#    pragma warning(disable: 4355) /* 'this' : used in base member initializer list */
#    pragma warning(disable: 4231) /* nonstandard extension used : 'extern' before template explicit instantiation */
#    pragma warning(disable: 4710) /* function not inlined */
#    pragma warning(disable: 4530) /* C++ exception handler used, but unwind semantics are not enabled. Specify -GX */
#  elif defined(Q_CC_BOR)
#    pragma option -w-inl
#    pragma option -w-aus
#    pragma warn -inl
#    pragma warn -pia
#    pragma warn -ccc
#    pragma warn -rch
#    pragma warn -sig
#  endif
#endif

class Q_CORE_EXPORT QFlag
{
    int i;
public:
    inline QFlag(int i);
    inline operator int() const { return i; }
};

inline QFlag::QFlag(int ai) : i(ai) {}


#ifndef Q_NO_TYPESAFE_FLAGS

template<typename Enum>
class QFlags
{
    typedef void **Zero;
    int i;
public:
    typedef Enum enum_type;
    inline QFlags(const QFlags &f) : i(f.i) {}
    inline QFlags(Enum f) : i(f) {}
    inline QFlags(Zero = 0) : i(0) {}
    inline QFlags(QFlag f) : i(f) {}

    inline QFlags &operator=(const QFlags &f) { i = f.i; return *this; }
    inline QFlags &operator&=(int mask) {  i &= mask; return *this; }
    inline QFlags &operator&=(uint mask) {  i &= mask; return *this; }
    inline QFlags &operator|=(QFlags f) {  i |= f.i; return *this; }
    inline QFlags &operator|=(Enum f) {  i |= f; return *this; }
    inline QFlags &operator^=(QFlags f) {  i ^= f.i; return *this; }
    inline QFlags &operator^=(Enum f) {  i ^= f; return *this; }


    inline operator int() const { return i;}

    inline QFlags operator|(QFlags f) const { QFlags g; g.i = i | f.i; return g; }
    inline QFlags operator|(Enum f) const { QFlags g; g.i = i | f; return g; }
    inline QFlags operator^(QFlags f) const { QFlags g; g.i = i ^ f.i; return g; }
    inline QFlags operator^(Enum f) const { QFlags g; g.i = i ^ f; return g; }
    inline QFlags operator&(int mask) const { QFlags g; g.i = i & mask; return g; }
    inline QFlags operator&(uint mask) const { QFlags g; g.i = i & mask; return g; }
    inline QFlags operator&(Enum f) const { QFlags g; g.i = i & f; return g; }
    inline QFlags operator~() const { QFlags g; g.i = ~i; return g; }

    inline bool operator!() const { return !i; }
};

#define Q_DECLARE_FLAGS(Flags, Enum)\
typedef QFlags<Enum> Flags;
#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) \
inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) \
{ return QFlags<Flags::enum_type>(f1) | f2; } \
inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) \
{ return f2 | f1; }

#else /* Q_NO_TYPESAFE_FLAGS */

#define Q_DECLARE_FLAGS(Flags, Enum)\
typedef uint Flags;
#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)

#endif /* Q_NO_TYPESAFE_FLAGS */

#if defined(Q_CC_GNU) && !defined(Q_CC_INTEL)
/* make use of typeof-extension */
template <typename T>
class QForeachContainer {
public:
    inline QForeachContainer(const T& t) : c(t), brk(0), i(c.begin()), e(c.end()) { }
    const T c;
    int brk;
    typename T::const_iterator i, e;
};

#define Q_FOREACH(variable, container)                                \
for (QForeachContainer<__typeof__(container)> _container_(container); \
     !_container_.brk && _container_.i != _container_.e;              \
     __extension__  ({ ++_container_.brk; ++_container_.i; }))                       \
    for (variable = *_container_.i;; __extension__ ({--_container_.brk; break;}))

#else

struct QForeachContainerBase {};

template <typename T>
class QForeachContainer : public QForeachContainerBase {
public:
    inline QForeachContainer(const T& t): c(t), brk(0), i(c.begin()), e(c.end()){};
    const T c;
    mutable int brk;
    mutable typename T::const_iterator i, e;
    inline bool condition() const { return (!brk++ && i != e); }
};

template <typename T> inline T *qForeachPointer(const T &) { return 0; }

template <typename T> inline QForeachContainer<T> qForeachContainerNew(const T& t)
{ return QForeachContainer<T>(t); }

template <typename T>
inline const QForeachContainer<T> *qForeachContainer(const QForeachContainerBase *base, const T *)
{ return static_cast<const QForeachContainer<T> *>(base); }

#define Q_FOREACH(variable, container) \
    for (const QForeachContainerBase &_container_ = qForeachContainerNew(container); \
         qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->condition();       \
         ++qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i)               \
        for (variable = *qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i; \
             qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk;           \
             --qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk)

#endif

#define Q_FOREVER for(;;)
#ifndef QT_NO_KEYWORDS
#  ifndef foreach
#    define foreach Q_FOREACH
#  endif
#  ifndef forever
#    define forever Q_FOREVER
#  endif
#endif

#if 0
/* tell gcc to use its built-in methods for some common functions */
#if defined(QT_NO_DEBUG) && defined(Q_CC_GNU)
#  define qMemCopy __builtin_memcpy
#  define qMemSet __builtin_memset
#endif
#endif

#define Q_DECLARE_PRIVATE(Class) \
    inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(d_ptr); } \
    inline const Class##Private* d_func() const { return reinterpret_cast<const Class##Private *>(d_ptr); } \
    friend class Class##Private;

#define Q_DECLARE_PUBLIC(Class) \
    inline Class* q_func() { return static_cast<Class *>(q_ptr); } \
    inline const Class* q_func() const { return static_cast<const Class *>(q_ptr); } \
    friend class Class;

#define Q_D(Class) Class##Private * const d = d_func()
#define Q_Q(Class) Class * const q = q_func()

#define QT_TR_NOOP(x) (x)
#define QT_TRANSLATE_NOOP(scope, x) (x)
#define QDOC_PROPERTY(text)

/*
   Some classes do not permit copies to be made of an object. These
   classes contains a private copy constructor and assignment
   operator to disable copying (the compiler gives an error message).
*/

#if !defined(Q_NO_DECLARED_NOT_DEFINED) || !defined(QT_MAKEDLL)
 #define Q_DISABLE_COPY(Class) \
     Class(const Class &); \
     Class &operator=(const Class &);
#else
 #define Q_DISABLE_COPY(Class)
#endif

class QByteArray;
Q_CORE_EXPORT QByteArray qgetenv(const char *varName);

inline int qIntCast(double f) { return int(f); }
inline int qIntCast(float f) { return int(f); }


/*
   Compat functions that were generated by configure
*/
#ifdef QT3_SUPPORT
#ifndef QT_PRODUCT_LICENSEE
#  define QT_PRODUCT_LICENSEE QLibraryInfo::licensee()
#endif
#ifndef QT_PRODUCT_LICENSE
#  define QT_PRODUCT_LICENSE QLibraryInfo::licensedProducts()
#endif
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPath();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathDocs();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathHeaders();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathLibs();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathBins();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathPlugins();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathData();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathTranslations();
QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathSysconf();
#endif

/*
   This gives us the possibility to check which modules the user can
   use. These are purely compile time checks and will generate no code.
*/

/* Qt modules */
#define QT_MODULE_CORE                  0x001
#define QT_MODULE_GUI                   0x002
#define QT_MODULE_NETWORK               0x004
#define QT_MODULE_OPENGL                0x008
#define QT_MODULE_SQL                   0x010
#define QT_MODULE_XML                   0x020
#define QT_MODULE_QT3SUPPORTLIGHT       0x040
#define QT_MODULE_QT3SUPPORT            0x080
#define QT_MODULE_SVG                   0x100
#define QT_MODULE_ACTIVEQT              0x200

/* Qt editions */
#define QT_EDITION_CONSOLE      (QT_MODULE_CORE \
                                 | QT_MODULE_NETWORK \
                                 | QT_MODULE_SQL \
                                 | QT_MODULE_XML)
#define QT_EDITION_DESKTOPLIGHT (QT_MODULE_CORE \
                                 | QT_MODULE_GUI \
                                 | QT_MODULE_QT3SUPPORTLIGHT)
#define QT_EDITION_OPENSOURCE   (QT_MODULE_CORE \
                                 | QT_MODULE_GUI \
                                 | QT_MODULE_NETWORK \
                                 | QT_MODULE_OPENGL \
                                 | QT_MODULE_SQL \
                                 | QT_MODULE_XML \
                                 | QT_MODULE_QT3SUPPORTLIGHT \
                                 | QT_MODULE_QT3SUPPORT \
                                 | QT_MODULE_SVG)
#define QT_EDITION_DESKTOP      (QT_EDITION_OPENSOURCE \
                                 | QT_MODULE_ACTIVEQT)
#define QT_EDITION_UNIVERSAL    QT_EDITION_DESKTOP
#define QT_EDITION_ACADEMIC     QT_EDITION_DESKTOP
#define QT_EDITION_EDUCATIONAL  QT_EDITION_DESKTOP
#define QT_EDITION_EVALUATION   QT_EDITION_DESKTOP

/* Determine which modules can be used */
#ifndef QT_EDITION
#  ifdef QT_BUILD_QMAKE
#    define QT_EDITION QT_EDITION_DESKTOP
#  else
#    error "Qt not configured correctly, please run configure"
#  endif
#endif

#define QT_LICENSED_MODULE(x) \
    enum QtValidLicenseFor##x##Module { Licensed##x = true };

#if (QT_EDITION & QT_MODULE_CORE)
QT_LICENSED_MODULE(Core)
#endif
#if (QT_EDITION & QT_MODULE_GUI)
QT_LICENSED_MODULE(Gui)
#endif
#if (QT_EDITION & QT_MODULE_NETWORK)
QT_LICENSED_MODULE(Network)
#endif
#if (QT_EDITION & QT_MODULE_OPENGL)
QT_LICENSED_MODULE(OpenGL)
#endif
#if (QT_EDITION & QT_MODULE_SQL)
QT_LICENSED_MODULE(Sql)
#endif
#if (QT_EDITION & QT_MODULE_XML)
QT_LICENSED_MODULE(Xml)
#endif
#if (QT_EDITION & QT_MODULE_QT3SUPPORTLIGHT)
QT_LICENSED_MODULE(Qt3SupportLight)
#endif
#if (QT_EDITION & QT_MODULE_QT3SUPPORT)
QT_LICENSED_MODULE(Qt3Support)
#endif
#if (QT_EDITION & QT_MODULE_SVG)
QT_LICENSED_MODULE(Svg)
#endif
#if (QT_EDITION & QT_MODULE_ACTIVEQT)
QT_LICENSED_MODULE(ActiveQt)
#endif

#define QT_MODULE(x) \
    typedef QtValidLicenseFor##x##Module Qt##x##Module;

QT_END_HEADER

#endif /* __cplusplus */

#endif /* QGLOBAL_H */