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A node that can be affected by a pointing device. More...
#include <openvrml/node.h>
Public Member Functions | |
virtual | ~pointing_device_sensor_node ()=0 throw () |
Destroy. | |
void | activate (double timestamp, bool over, bool active, const double(&point)[3]) |
Convey a pointing device state change. | |
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virtual | ~child_node ()=0 throw () |
Destructor. | |
void | relocate () throw ( std::bad_alloc ) |
Called when the node is relocated to a new position in the scene graph. | |
void | render_child (viewer &v, rendering_context context) |
Render the node. | |
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virtual | ~bounded_volume_node () throw () |
Destroy. | |
const openvrml::bounding_volume & | bounding_volume () const |
Get this node's bounding volume. | |
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virtual | ~node ()=0 throw () |
Destructor. | |
void | add_ref () const throw () |
Increment the reference count. | |
void | remove_ref () const throw () |
Decrement the reference count. | |
void | release () const throw () |
Decrement the reference count; destroy the instance if the count drops to zero. | |
size_t | use_count () const throw () |
The number of owning references to the instance. | |
const node_type & | type () const throw () |
The type information object for the node . | |
const std::string & | id () const throw () |
Retrieve the name of this node . | |
void | id (const std::string &node_id) throw ( std::bad_alloc ) |
Set the name of the node . | |
const openvrml::scope & | scope () const throw () |
Get the scope to which the node belongs. | |
openvrml::scene * | scene () const throw () |
Get the scene with which the node is associated. | |
const std::vector < boost::intrusive_ptr< node > > & | impl_nodes () const throw () |
Get the implementation nodes of a PROTO instance. | |
std::ostream & | print (std::ostream &out, size_t indent) const |
Pretty print. | |
void | initialize (openvrml::scene &scene, double timestamp) throw ( std::bad_alloc ) |
Initialize the node. | |
std::auto_ptr< field_value > | field (const std::string &id) const throw ( unsupported_interface , std::bad_alloc ) |
Generalized field accessor. | |
openvrml::event_listener & | event_listener (const std::string &id) throw ( unsupported_interface ) |
Get an event listener. | |
openvrml::event_emitter & | event_emitter (const std::string &id) throw ( unsupported_interface ) |
Get an event emitter. | |
void | shutdown (double timestamp) throw () |
Shut down the node. | |
bool | modified () const throw ( boost::thread_resource_error ) |
Determine whether the node has been modified. | |
void | modified (bool value) throw ( boost::thread_resource_error ) |
Set the modified flag. |
Protected Member Functions | |
pointing_device_sensor_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) | |
Construct. | |
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child_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Constructor. | |
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bounded_volume_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Construct. | |
void | bounding_volume_dirty (bool value) |
Set whether the node's bounding volume needs to be recalculated. | |
bool | bounding_volume_dirty () const |
Whether the node's bounding volume needs to be recalculated. | |
virtual const openvrml::bounding_volume & | do_bounding_volume () const |
Called by bounding_volume . | |
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node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Construct. | |
boost::shared_mutex & | scene_mutex () |
The scene mutex. |
Private Member Functions | |
virtual void | do_activate (double timestamp, bool over, bool active, const double(&point)[3])=0 |
Called to convey a pointing device state change. |
Additional Inherited Members | |
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static const boost::intrusive_ptr< node > | self_tag |
Special value used when initializing a script_node . | |
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static void | emit_event (openvrml::event_emitter &emitter, double timestamp) throw ( std::bad_alloc ) |
Emit an event. | |
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To * | node_cast (node *n) |
Downcast a node to one of the abstract node types. | |
void | intrusive_ptr_add_ref (const node *n) |
Increment the reference count. | |
void | intrusive_ptr_release (const node *n) |
Decrement the reference count. | |
bool | is_proto_instance (const node &n) |
Check whether a node is a PROTO instance. |
A node that can be affected by a pointing device.
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pure virtual |
Destroy.
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protected |
Construct.
[in] | type | the node_type . |
[in] | scope | the scope to which the node belongs. |
void openvrml::pointing_device_sensor_node::activate | ( | double | timestamp, |
bool | over, | ||
bool | active, | ||
const double(&) | point[3] | ||
) |
Convey a pointing device state change.
This function delegates to do_activate
.
[in] | timestamp | the current time. |
[in] | over | whether the pointing device is over the geometry affected by the pointing device sensor. |
[in] | active | whether the pointing device is “active”; e.g., whether a mouse button is currently depressed. |
[in] | point | the position of the pointer on the affected geometry. |
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privatepure virtual |
Called to convey a pointing device state change.
[in] | timestamp | the current time. |
[in] | over | whether the pointing device is over the geometry affected by the pointing device sensor. |
[in] | active | whether the pointing device is “active”; e.g., whether a mouse button is currently depressed. |
[in] | point | the position of the pointer on the affected geometry. |