Inheritance diagram for nana::arg_wheel:

Public Types
enum	wheel { wheel::vertical, wheel::horizontal }

Public Attributes
wheel	which
	which wheel is rotated More...

bool	upwards
	true if the wheel is rotated to the top/left, depends on which and false otherwise More...

unsigned	distance
	expressed in multiples or divisions of 120 More...

Public Attributes inherited from nana::arg_mouse
event_code	evt_code
	what kind of mouse event? More...

::nana::window	window_handle
	A handle to the event window. More...

::nana::point	pos
	cursor position in the event window More...

::nana::mouse	button
	indicates a button which triggers the event More...

bool	left_button
	true if mouse left button is pressed More...

bool	mid_button
	true if mouse middle button is pressed More...

bool	right_button
	true if mouse right button is pressed More...

bool	alt
	true if keyboard alt is pressed More...

bool	shift
	true if keyboard Shift is pressed More...

bool	ctrl
	true if keyboard Ctrl is pressed More...

Additional Inherited Members
Public Member Functions inherited from nana::arg_mouse
bool	is_left_button () const
	Checks if left button is operated,. More...

Public Member Functions inherited from nana::event_arg
virtual	~event_arg ()=default

void	stop_propagation () const
	ignorable handlers behind the current one in a chain of event handlers will not get called. More...

bool	propagation_stopped () const

Detailed Description

The type arg_wheel is derived from arg_mouse, a handler with prototype void(const arg_mouse&) can be set for mouse_wheel.

Member Enumeration Documentation

strong

Enumerator
vertical
horizontal

unsigned nana::arg_wheel::distance

expressed in multiples or divisions of 120

bool nana::arg_wheel::upwards

true if the wheel is rotated to the top/left, depends on which and false otherwise

wheel nana::arg_wheel::which

which wheel is rotated