mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-10-31 15:47:10 -04:00
124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
#ifndef QT_HELPERS_HPP_
|
|
#define QT_HELPERS_HPP_
|
|
|
|
#include <stdexcept>
|
|
|
|
#include <QString>
|
|
#include <QChar>
|
|
#include <QMetaObject>
|
|
#include <QHostAddress>
|
|
#include <QDataStream>
|
|
#include <QMetaType>
|
|
#include <QMetaEnum>
|
|
|
|
#define ENUM_QDATASTREAM_OPS_DECL(CLASS, ENUM) \
|
|
QDataStream& operator << (QDataStream&, CLASS::ENUM const&); \
|
|
QDataStream& operator >> (QDataStream&, CLASS::ENUM&);
|
|
|
|
#define ENUM_QDATASTREAM_OPS_IMPL(CLASS, ENUM) \
|
|
QDataStream& operator << (QDataStream& os, CLASS::ENUM const& v) \
|
|
{ \
|
|
auto const& mo = CLASS::staticMetaObject; \
|
|
return os << mo.enumerator (mo.indexOfEnumerator (#ENUM)).valueToKey (static_cast<int> (v)); \
|
|
} \
|
|
\
|
|
QDataStream& operator >> (QDataStream& is, CLASS::ENUM& v) \
|
|
{ \
|
|
char * buffer; \
|
|
is >> buffer; \
|
|
bool ok {false}; \
|
|
auto const& mo = CLASS::staticMetaObject; \
|
|
auto const& me = mo.enumerator (mo.indexOfEnumerator (#ENUM)); \
|
|
if (buffer) \
|
|
{ \
|
|
v = static_cast<CLASS::ENUM> (me.keyToValue (buffer, &ok)); \
|
|
delete [] buffer; \
|
|
} \
|
|
if (!ok) \
|
|
{ \
|
|
v = static_cast<CLASS::ENUM> (me.value (0)); \
|
|
} \
|
|
return is; \
|
|
}
|
|
|
|
#define ENUM_CONVERSION_OPS_DECL(CLASS, ENUM) \
|
|
QString enum_to_qstring (CLASS::ENUM const&);
|
|
|
|
#define ENUM_CONVERSION_OPS_IMPL(CLASS, ENUM) \
|
|
QString enum_to_qstring (CLASS::ENUM const& m) \
|
|
{ \
|
|
auto const& mo = CLASS::staticMetaObject; \
|
|
return QString {mo.enumerator (mo.indexOfEnumerator (#ENUM)).valueToKey (static_cast<int> (m))}; \
|
|
}
|
|
|
|
#if QT_VERSION >= QT_VERSION_CHECK (5, 15, 0)
|
|
Qt::SplitBehaviorFlags const SkipEmptyParts = Qt::SkipEmptyParts;
|
|
#else
|
|
QString::SplitBehavior const SkipEmptyParts = QString::SkipEmptyParts;
|
|
#endif
|
|
|
|
inline
|
|
void throw_qstring (QString const& qs)
|
|
{
|
|
throw std::runtime_error {qs.toLocal8Bit ().constData ()};
|
|
}
|
|
|
|
QString font_as_stylesheet (QFont const&);
|
|
|
|
// do what is necessary to change a dynamic property and trigger any
|
|
// conditional style sheet updates
|
|
void update_dynamic_property (QWidget *, char const * property, QVariant const& value);
|
|
|
|
// round a QDateTime instance to an integral interval of milliseconds
|
|
QDateTime qt_round_date_time_to (QDateTime dt, int milliseconds);
|
|
|
|
// truncate a QDateTime to an integral interval of milliseconds
|
|
QDateTime qt_truncate_date_time_to (QDateTime dt, int milliseconds);
|
|
|
|
template <class T>
|
|
class VPtr
|
|
{
|
|
public:
|
|
static T * asPtr (QVariant v)
|
|
{
|
|
return reinterpret_cast<T *> (v.value<void *> ());
|
|
}
|
|
|
|
static QVariant asQVariant(T * ptr)
|
|
{
|
|
return QVariant::fromValue (reinterpret_cast<void *> (ptr));
|
|
}
|
|
};
|
|
|
|
#if QT_VERSION < QT_VERSION_CHECK (5, 14, 0)
|
|
// The Qt devs "fixed" this in 5.14 to specialize to use their own
|
|
// qHash(), it doesn't fix the problem we were addressing as qHash()
|
|
// returns a uint so is still a poorly distributed 32-bit value on
|
|
// 64-bit platforms, but we can't specialize ourselves as Qt already
|
|
// has - sigh.
|
|
namespace std
|
|
{
|
|
// std::hash<> specialization for QString based on the dbj2
|
|
// algorithm http://www.cse.yorku.ca/~oz/hash.html because qHash()
|
|
// is poor on 64-bit platforms due to being a 32-bit hash value
|
|
template<>
|
|
struct hash<QString>
|
|
{
|
|
std::size_t operator () (QString const& s) const noexcept
|
|
{
|
|
std::size_t hash {5381};
|
|
for (int i = 0; i < s.size (); ++i)
|
|
{
|
|
hash = ((hash << 5) + hash) + ((s.at (i).row () << 8) | s.at (i).cell ());
|
|
}
|
|
return hash;
|
|
}
|
|
};
|
|
}
|
|
#endif
|
|
|
|
// Register some useful Qt types with QMetaType
|
|
Q_DECLARE_METATYPE (QHostAddress);
|
|
|
|
#endif
|