cutehmi Namespace Reference

Namespaces
	internal

Classes
struct	Error
	Standarized error. More...
class	ErrorException
	Error exception. More...
struct	ErrorInfo
	Error info. More...
class	Exception
	Exception. More...
class	ExceptionMixin
	Exception mixin. More...
class	Init
	Init. More...
class	Initializer
	Initializer template. More...
struct	InplaceError
	In-place error. More...
class	Message
	Message. More...
class	Messenger
	Messenger. More...
class	MPtr
	Members pointer. More...
class	NonCopyable
	Non-copyable object. More...
class	NonMovable
	Non-movable object. More...
class	Notification
	Notification. More...
class	NotificationListModel
	Notification list model. More...
class	Notifier
	Notifier. More...
class	Singleton
	Singleton template. More...
class	Worker
	Worker. More...

Functions
template<typename ERR >
ErrorInfo	errorInfo (ERR err)
	Get error info. More...
bool	ape (qreal r1, qreal r2, qreal eps=EPS)
	Approximately equal. More...
bool	ale (qreal r1, qreal r2, qreal eps=EPS)
	Almost equal. More...
bool	clt (qreal r1, qreal r2, qreal eps=EPS)
	Considerably less than. More...
bool	cgt (qreal r1, qreal r2, qreal eps=EPS)
	Considerably greater than. More...
const QLoggingCategory &	loggingCategory ()
	Logging category of the extension. More...
CUTEHMI_API void	destroySingletonInstances ()
	Destroy singleton instances. More...
template<class INPUT_IT , class SIZE , class OUTPUT_IT >
OUTPUT_IT	copy_n (INPUT_IT first, SIZE count, OUTPUT_IT result)
template<class INPUT_IT1 , class INPUT_IT2 >
bool	equal (INPUT_IT1 first1, INPUT_IT1 last1, INPUT_IT2 first2)

Variables
constexpr qreal	EPS = std::numeric_limits<qreal>::epsilon() * 0.5 * 0x10000
	CuteHMI epsilon. More...

Function Documentation

ale()

bool cutehmi::ale ( qreal  r1, qreal  r2, qreal  eps = EPS  )

inline

Almost equal.

Compares real numbers r1, r2. Function similar to ape(), however ale() is slightly stronger than ape() (r1 and r2 must be slightly closer to each other to manifest equality). This function can be problematic, when one of the values is exactly zero, because in such case it returns true only if second argument is also exactly zero.

Parameters

r1	first number to compare.
r2	second number to compare.
eps	epsilon tolerance parameter used in comparison.

Returns

true when r1 and r2 are almost equal, false otherwise.

See also

ape().

ape()

bool cutehmi::ape ( qreal  r1, qreal  r2, qreal  eps = EPS  )

inline

Approximately equal.

Compares real numbers r1, r2.

Parameters

r1	first number to compare.
r2	second number to compare.
eps	epsilon tolerance parameter used in comparison.

Returns

true when r1 and r2 are approximately equal, false otherwise.

See also

ale().

cgt()

bool cutehmi::cgt ( qreal  r1, qreal  r2, qreal  eps = EPS  )

inline

Considerably greater than.

Parameters

r1	first number to compare.
r2	second number to compare.
eps	epsilon tolerance parameter used in comparison.

Returns

true when r1 is considerably greater than r2, false otherwise.

clt()

bool cutehmi::clt ( qreal  r1, qreal  r2, qreal  eps = EPS  )

inline

Considerably less than.

Parameters

r1	first number to compare.
r2	second number to compare.
eps	epsilon tolerance parameter used in comparison.

Returns

true when r1 is considerably less than r2, false otherwise.

copy_n()

template<class INPUT_IT , class SIZE , class OUTPUT_IT >

OUTPUT_IT cutehmi::copy_n	(	INPUT_IT	first,
		SIZE	count,
		OUTPUT_IT	result
	)

destroySingletonInstances()

void cutehmi::destroySingletonInstances

(

)

Destroy singleton instances.

This function is provided to satisfy the requirement that QApplication has to be first created and last destroyed QObject. It destroys all singletons that inherit after Singleton class template. Once this function is called singletons become unusable.

Note

Only frontend applications, which instantiate QApplication should take care about this function.

Principle:

cutehmi::destroySingletonInstances-determined_destruction_order
Singleton instances will be destroyed in reverse order as they were instantiated, that is singletons for which Singleton::Instance() function has been called first will be destroyed last.

equal()

template<class INPUT_IT1 , class INPUT_IT2 >

bool cutehmi::equal	(	INPUT_IT1	first1,
		INPUT_IT1	last1,
		INPUT_IT2	first2
	)

errorInfo()

template<typename ERR >

ErrorInfo cutehmi::errorInfo

(

ERR

err

)

Get error info.

Produces ErrorInfo from instance of Error or its subclass.

Parameters

err	instance of Error class or its subclass.

Returns

error info structure.

loggingCategory()

const QLoggingCategory& cutehmi::loggingCategory ( )

inline

Logging category of the extension.

Returns

logging category.

Variable Documentation

EPS

constexpr qreal cutehmi::EPS = std::numeric_limits<qreal>::epsilon() * 0.5 * 0x10000

constexpr

CuteHMI epsilon.

This constant is used in fuzzy comparison functions.