WMNavigationSlices::PickCallback Class Reference

Handles picking events. More...

Collaboration diagram for WMNavigationSlices::PickCallback:

Public Types
typedef std::shared_ptr< PickCallback >	SPtr
	For the lazy guys. More...

Public Member Functions
	PickCallback (osg::ref_ptr< osg::Node > node, WPropDouble property, bool negateDirection=false)
	The callback, controlling. More...

Private Member Functions
void	pick (WPickInfo pickInfo)
	Pick event handler. More...

Private Attributes
boost::signals2::scoped_connection	m_pickConnection
	The pick connection for the pick() event handler. More...
osg::ref_ptr< osg::Node >	m_node
	The slice node. More...
WPropDouble	m_property
	The property controlling the position of the slice. More...
osg::ref_ptr< WGECamera >	m_camera
	The camera under which the node is placed. More...
bool	m_isPicked
	If true, the item is still picked. More...
osg::ref_ptr< osg::Uniform >	m_pickUniform
	This uniform is used to inform the shader about current pick-state. More...
WVector2d	m_oldPixelPosition
	The stored pixel position of a previous drag event. More...
float	m_dir
	The transformation direction. More...

Detailed Description

Handles picking events.

Definition at line 112 of file WMNavigationSlices.h.

Member Typedef Documentation

SPtr

typedef std::shared_ptr< PickCallback > WMNavigationSlices::PickCallback::SPtr

For the lazy guys.

Definition at line 118 of file WMNavigationSlices.h.

Constructor & Destructor Documentation

PickCallback()

WMNavigationSlices::PickCallback::PickCallback	(	osg::ref_ptr< osg::Node >	node,
		WPropDouble	property,
		bool	negateDirection = false
	)

The callback, controlling.

Parameters

property	the property controlling the position of the slice
node	the node getting controlled by this instance.
negateDirection	if true, the translation direction is switched.

Definition at line 301 of file WMNavigationSlices.cpp.

References WGraphicsEngine::getGraphicsEngine(), m_camera, m_pickConnection, m_pickUniform, and pick().

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Member Function Documentation

pick()

void WMNavigationSlices::PickCallback::pick ( WPickInfo  pickInfo )

private

Pick event handler.

Uses for dragging the slices

Parameters

pickInfo

the pick information.

Definition at line 316 of file WMNavigationSlices.cpp.

References WPickInfo::getName(), WPickInfo::getPickNormal(), WPickInfo::getPickPixel(), and wge::unprojectFromScreen().

Referenced by PickCallback().

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Member Data Documentation

m_camera

osg::ref_ptr< WGECamera > WMNavigationSlices::PickCallback::m_camera

private

The camera under which the node is placed.

Needed for proper back-projection.

Definition at line 155 of file WMNavigationSlices.h.

Referenced by PickCallback().

m_dir

float WMNavigationSlices::PickCallback::m_dir

private

The transformation direction.

This is needed since the OSG coord system has a mirrored coronal direction.

Definition at line 175 of file WMNavigationSlices.h.

m_isPicked

bool WMNavigationSlices::PickCallback::m_isPicked

private

If true, the item is still picked.

Definition at line 160 of file WMNavigationSlices.h.

m_node

osg::ref_ptr< osg::Node > WMNavigationSlices::PickCallback::m_node

private

The slice node.

Used for checking if picked.

Definition at line 145 of file WMNavigationSlices.h.

m_oldPixelPosition

WVector2d WMNavigationSlices::PickCallback::m_oldPixelPosition

private

The stored pixel position of a previous drag event.

Definition at line 170 of file WMNavigationSlices.h.

m_pickConnection

boost::signals2::scoped_connection WMNavigationSlices::PickCallback::m_pickConnection

private

The pick connection for the pick() event handler.

Definition at line 140 of file WMNavigationSlices.h.

Referenced by PickCallback().

m_pickUniform

osg::ref_ptr< osg::Uniform > WMNavigationSlices::PickCallback::m_pickUniform

private

This uniform is used to inform the shader about current pick-state.

Definition at line 165 of file WMNavigationSlices.h.

Referenced by PickCallback().

m_property

WPropDouble WMNavigationSlices::PickCallback::m_property

private

The property controlling the position of the slice.

Definition at line 150 of file WMNavigationSlices.h.

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The documentation for this class was generated from the following files:

• WMNavigationSlices.h
• WMNavigationSlices.cpp