Linux Certif

Toute la documentation sur la certification Linux LPI

events

NAME

Event classes -

Detailed Description

Classes

class SoButtonEvent
The SoButtonEvent class is the base class for all button events.

The event classes which results from the user pushing buttons on some device (keyboard, mouse or spaceball) all inherit this class. The SoButtonEvent class contains methods for setting and getting the state of the button(s). "
class SoEvent
The SoEvent class is the base class for all Coin events.

Coin contains its own set of event classes, independent of the underlying window system. "
class SoKeyboardEvent
The SoKeyboardEvent class contains information about keyboard interaction.

When the user presses any keys on the keyboard, these will be translated from a system specific event into a Coin event and sent to the scenegraph by using instances of this class. "
class SoLocation2Event
The SoLocation2Event class contains information about 2D movement events.

Location2 events are generated by devices capable of 2D, e.g. pointer devices -- typically computer mice. Instances of this class contains information about the position of the pointer on the render area. "
class SoMotion3Event
The SoMotion3Event class contains information about 3D movement events.

Motion3 events are generated by devices capable of '3D motion', for instance spaceballs. Instances of this class contains information about these devices' translations and rotations in all 3 dimensions. "
class SoMouseButtonEvent
The SoMouseButtonEvent class contains information about mousebutton interaction.

When the user presses any buttons on the mouse, these will be translated from a system specific event into a Coin event and sent to the scenegraph by using instances of this class. "
class SoSpaceballButtonEvent
The SoSpaceballButtonEvent class contains information about spaceball button interaction.

When the user presses any buttons on a spaceball device, these will be translated from a system specific event into a Coin event and sent to the scenegraph by using instances of this class. "