nana::simple_dragdrop Class Reference

Classes
struct	implementation

Public Member Functions
	simple_dragdrop (window source)
	simple_dragdrop (window drag_origin, std::function< bool()> when, window drop_target, std::function< void()> how)
	~simple_dragdrop ()
void	condition (std::function< bool()> predicate_fn)
	Condition checker. More...
void	make_drop (window target, std::function< void()> drop_fn)

Constructor & Destructor Documentation

nana::simple_dragdrop::simple_dragdrop ( window  source )

explicit

nana::simple_dragdrop::simple_dragdrop ( window  drag_origin, std::function< bool()>  when, window  drop_target, std::function< void()>  how  )

inline

nana::simple_dragdrop::~simple_dragdrop

(

)

Member Function Documentation

void nana::simple_dragdrop::condition

(

std::function< bool()>

predicate_fn

)

Condition checker.

Sets a condition checker that determines whether the drag-and-drop operation can start. If a condition checker is not set, it always start drag-and-drop operation.

Parameters

predicate_fn

Unary predicate which returns #true# for starting drag-and-drop operation.

void nana::simple_dragdrop::make_drop	(	window	target,
		std::function< void()>	drop_fn
	)