SceneModel Class Reference

Class representing the model of the scene containing objects like meshes, cameras and lights. More...

#include <SceneModel.h>

Collaboration diagram for SceneModel:

[legend]

List of all members.

Public Slots
void	connectParameters (Parameter *sourceParameter, Parameter *targetParameter)
	Creates a connection between the given parameters.
void	connectParameters (Node *sourceNode, Node *targetNode)
	Create connections between two nodes (connect by name).
void	createCamera (ViewingParameters *viewingParameters)
	Creates a new camera with parameters initialized according to the given viewing parameters.
void	deleteCamera (const QString &cameraName)
	Deletes an existing camera.
void	updateCamera (const QString &cameraName, ViewingParameters *viewingParameters)
	Applies the given viewing parameters to the camera with the given name.
void	cameraListRequested ()
	Sends the list of camereas when requested.
void	applyCamera (const QString &cameraName, ViewingParameters *viewingParameters)
	Applies the viewing parameters of the camera with the given name to the given viewing parameters.
void	deleteObject (const QString &name)
	Deletes a given object.
void	selectDeselectObject (const QString &name)
	Selects and deselects a given object.
void	deleteSelected ()
	Deletes the currently selected objects from the scene.
void	selectAll ()
	Selects all objects in the scene.
void	evaluateSelectedObjects ()
	Sets the evaluation flag of the selected objects to True.
void	ignoreSelectedObjects ()
	Sets the evaluation flag of the selected objects to False.
void	graphicsSceneSelectionChanged ()
	Updates the selection model according to the currently selected graphics items in the graphics scene.
void	changeNodeName (const QString &name)
	Updates the m_graphicsItemList in case a node has changed its name.
void	selectObject (const QString &name, bool toggle=false)
	Selects the object with the given name or toggles the selection state of the object with the given name.
void	deselectObject (const QString &name="")
	Deselects the object with the given name.
void	setCurrentFrame (int index, bool realtime=false)
	Sets the index of the current frame in the scene's time.
void	setStartFrame (int index)
	Sets the index of the start frame in the scene's time.
void	setEndFrame (int index)
	Sets the index of the end frame in the scene's time.
void	setInFrame (int index)
	Sets the index of the in frame in the scene's time.
void	setOutFrame (int index)
	Sets the index of the out frame in the scene's time.
void	setFrameStep (int frameStep)
	Sets the frame step to use for the scene.
void	setFrameRate (int frameRate)
	Sets the frame rate to use for the scene.
void	frameSelectedObjects (ViewingParameters *viewingParameters)
	Adjusts the given viewing parameters so that the currently selected objects are centered in the view.
void	setViewNode (unsigned int stageIndex, ViewNode *viewNode)
	Sets the node that currently has the view flag set.
void	rebuildScene ()
	Rebuilds the OGRE scene by obtaining the Ogre scene node from the current view node.
void	redrawTriggered ()
	Redraws the OGRE scene when active view node exists.
void	setNewNodePosition (const QPointF &scenePosition)
	Sets the scene coordinates to use when creating a new node.
void	addKey (NumberParameter *numberParameter)
	Adds a keyframe for the given number parameter at the current frame index.
Signals
void	sceneNameChanged (const QString &name)
	Signal that is emitted when the scene name has changed.
void	realtimeModeToggled (bool realtime)
	Signal that is emitted when the realtime mode has changed.
void	selectionChanged (bool objectsSelected)
	Signal that is emitted when the selection has changed.
void	currentFrameSet (int index)
	Signal that is emitted when the index of the current frame in the scene's time has been changed.
void	startFrameSet (int index)
	Signal that is emitted when the index of the start frame in the scene's time has been changed.
void	endFrameSet (int index)
	Signal that is emitted when the index of the end frame in the scene's time has been changed.
void	inFrameSet (int index)
	Signal that is emitted when the index of the in frame in the scene's time has been changed.
void	outFrameSet (int index)
	Signal that is emitted when the index of the out frame in the scene's time has been changed.
void	frameStepSet (int frameStep)
	Signal that is emitted when the frame step for the scene has been changed.
void	frameRateSet (int frameRate)
	Signal that is emitted when the frame rate for the scene has been changed.
void	modified ()
	Signal that is emitted when the internal state of the scene model has changed.
void	triggerRedraw ()
	Signal emitted when ogre scene node has changed in a a way that only scene redraw is needed. No structural change.
void	renderingTriggered ()
	Signal emitted when render targets should be updated.
void	imageSet (unsigned int stageIndex, Ogre::TexturePtr image)
	Signal that is emitted when the image to be viewed has been changed.
void	objectCreated (const QString &objectName)
	Signal that is emitted when a new object has been created.
void	camerasUpdated (const QList< Node * > &cameraNodes, const QString &cameraName)
	Signal that is emitted when the list of cameras has changed.
Public Member Functions
	SceneModel ()
	Constructor of the SceneModel class.
	~SceneModel ()
	Destructor of the SceneModel class.
QString	getName () const
	Returns the name of the scene.
void	setName (const QString &name)
	Sets the name of the scene.
NodeModel *	getNodeModel () const
	Returns the node model that holds all scene objects like meshes, cameras and lights.
QItemSelectionModel *	getSelectionModel () const
	Returns the selection model to use for synchronizing selections in all views.
NodeGraphicsItem *	getGraphicsItem (const QString &name) const
	Returns the graphics graphics item associated with a node by name.
QGraphicsScene *	getGraphicsScene () const
	Returns the graphics scene to use for all network views.
QList< QAction * >	getControlActions () const
	Returns a list of actions representing scene time controls.
QStringList	getSelectedObjects (bool onlyConnections=false) const
	Builds a list of object names from the current selection.
int	getFrameStep () const
	Returns the frame step currently set for the scene.
int	getFrameRate () const
	Returns the frame rate currently set for the scene.
void	getFrameRange (int *firstFrame, int *lastFrame) const
	Fills the given frame index variables with the frame range available for the scene time.
int	getCurrentFrame () const
	Returns the index of the current frame in the scene's time.
int	getStartFrame () const
	Returns the index of the start frame in the scene's time.
int	getEndFrame () const
	Returns the index of the end frame in the scene's time.
int	getInFrame () const
	Returns the index of the in frame in the scene's time.
int	getOutFrame () const
	Returns the index of the out frame in the scene's time.
void	createSceneRoot ()
	Creates the OGRE scene root scene node.
void	createScene (daeElement *rootElement)
	Creates the scene objects by parsing the COLLADA element tree contained in the given root element.
QString	createObject (const QString &typeName, const QString &name="", const QPointF &position=QPointF(-1,-1), bool select=false, bool visible=true)
	Creates a scene object of the given type with the given name with a node graphics item at the given location and optionally selects it.
void	connectParameters (Node *sourceNode, const QString &sourceParameterName, Node *targetNode, const QString &targetParameterName)
	Creates a connection between the parameters with the given names of the given nodes.
void	connectParametersByName (Node *sourceNode, Node *targetNode)
	Connects all parameters with the same name of two nodes.
void	createDaeElements (daeElement *parentElement) const
	Creates a COLLADA element tree corresponding to the objects currently contained in the scene.
void	clear ()
	Deletes all objects contained in the scene.
Protected Member Functions
virtual void	timerEvent (QTimerEvent *event)
	Handles timer events for the scene model.
Private Slots
void	selectionModelSelectionChanged (const QItemSelection &selected, const QItemSelection &deselected)
	Updates the scene model according to the given item selections.
void	connectionDestroyed (Connection *connection)
	Removes the connection that has been destroyed from the list of connections.
void	on_m_inFrameAction_triggered (bool checked=false)
	Event handler that is called when the in frame action has been triggered.
void	on_m_previousKeyAction_triggered (bool checked=false)
	Event handler that is called when the previous key action has been triggered.
void	on_m_previousFrameAction_triggered (bool checked=false)
	Event handler that is called when the previous frame action has been triggered.
void	on_m_playAction_toggled (bool checked)
	Event handler that is called when the play action has been toggled.
void	on_m_realtimeAction_toggled (bool checked)
	Event handler that is called when the realtime action has been toggled.
void	on_m_nextFrameAction_triggered (bool checked=false)
	Event handler that is called when the next frame action has been triggered.
void	on_m_nextKeyAction_triggered (bool checked=false)
	Event handler that is called when the next key action has been triggered.
void	on_m_outFrameAction_triggered (bool checked=false)
	Event handler that is called when the out frame action has been triggered.
Private Member Functions
void	initializeActions ()
	Initializes the actions that are contained in the scene model.
void	updateActions ()
	Enables or disables the timeline actions according to the current frame index.
QPointF	decodePosition (std::string position, const QString &nodeName)
	Decodes the given position for node graphics items from a COLLADA scene file.
void	createDaeElements (ParameterGroup *parameterGroup, daeElement *parentElement) const
	Creates COLLADA elements corresponding to the parameters contained in the given parameter group and adds them to the given parent element.
Private Attributes
QString	m_name
	The name of the current scene.
NodeModel *	m_nodeModel
	The node model that holds all scene objects like meshes, cameras and lights.
QItemSelectionModel *	m_selectionModel
	The selection model to use for synchronizing selections in all views.
QGraphicsScene *	m_graphicsScene
	The graphics scene to use for all network views.
QMap< QString, QGraphicsItem * >	m_graphicsItemMap
	A map for referencing graphics items by name.
QMap< QString, QGraphicsItem * >	m_connectionGraphicsItemMap
	A map for referencing graphics items (connections) by name.
QMap< unsigned int, Connection * >	m_connectionMap
	The list of connections currently set up in the scene.
QList< Node * >	m_cameraNodes
	The list of camera nodes currently set up in the scene.
int	m_newNodeIndex
	The number of newly created nodes to be used in the name of new nodes.
NumberParameter *	m_frameParameter
	The parameter containing the index of the current frame and the global frame range.
NumberParameter *	m_frameRangeParameter
	The parameter defining the indices of the in and out frames.
int	m_frameStep
	The number of frames to advance the animation by each play back step.
NumberParameter *	m_fpsParameter
	The parameter containing the number of frames per second.
QTime	m_lastTimestamp
	The last timestamp.
double	m_averageFps
	The averarage fps.
unsigned int	m_averageCounter
	The average counter.
QList< ViewNode * >	m_viewNodeList
	The node that currently has the view flag set.
int	m_timerId
	The ID of the scene timer.
Ogre::SceneNode *	m_sceneRoot
	The parent scene node for all scene objects to be displayed in viewports.
QPointF	m_newNodePosition
	The position to use for new nodes.
QAction *	m_inFrameAction
	The action for jumping to the in frame of the animation.
QAction *	m_previousKeyAction
	The action for jumping to the previous key of the selected channel.
QAction *	m_previousFrameAction
	The action for selecting the previous frame in the animation.
QAction *	m_playAction
	The action for starting and stopping animation playback.
QAction *	m_realtimeAction
	The action for starting and stopping realtime animation playback.
QAction *	m_nextFrameAction
	The action for selecting the next frame in the animation.
QAction *	m_nextKeyAction
	The action for jumping to the next key of the selected channel.
QAction *	m_outFrameAction
	The action for jumping to the out frame of the animation.
QAction *	m_separatorAction
	The action representing a separator for separating the playback options.
QAction *	m_playOptionsAction
	The action for grouping playback options.
QAction *	m_playLoopingAction
	The action representing the play looping option.
QAction *	m_playOnceAction
	The action representing the play once option.

---

Detailed Description

Class representing the model of the scene containing objects like meshes, cameras and lights.

Inheritance Diagram

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---

Constructor & Destructor Documentation

SceneModel::SceneModel

(

)

Constructor of the SceneModel class.

Constructors and Destructors.

SceneModel::~SceneModel

(

)

Destructor of the SceneModel class.

---

Member Function Documentation

QString SceneModel::getName

(

)

const

Returns the name of the scene.

Public Functions.

Returns:

The name of the scene.

Returns the name of the scene.

Returns:

The name of the scene.

void SceneModel::setName

(

const QString &

name

)

Sets the name of the scene.

Parameters:

name

The name of the scene.

NodeModel * SceneModel::getNodeModel

(

)

const

Returns the node model that holds all scene objects like meshes, cameras and lights.

Returns the standard item model that holds all scene objects like meshes, cameras and lights.

Returns:

The node model that holds all scene objects.

The standard item model that holds all scene objects.

QItemSelectionModel * SceneModel::getSelectionModel

(

)

const

Returns the selection model to use for synchronizing selections in all views.

Returns:

The selection model to use for synchronizing selections.

NodeGraphicsItem * SceneModel::getGraphicsItem

(

const QString &

name

)

const

Returns the graphics graphics item associated with a node by name.

Returns:

The graphics item associated with the node.

QGraphicsScene * SceneModel::getGraphicsScene

(

)

const

Returns the graphics scene to use for all network views.

Returns:

The graphics scene to use for all network views.

QList< QAction * > SceneModel::getControlActions

(

)

const

Returns a list of actions representing scene time controls.

Returns:

A list of actions representing scene time controls.

QStringList SceneModel::getSelectedObjects

(

bool

onlyConnections = false

)

const

Builds a list of object names from the current selection.

Returns:

A list of names of the currently selected objects.

int SceneModel::getFrameStep

(

)

const

Returns the frame step currently set for the scene.

Returns:

The frame step currently set for the scene.

int SceneModel::getFrameRate

(

)

const

Returns the frame rate currently set for the scene.

Returns:

The frame rate currently set for the scene.

void SceneModel::getFrameRange	(	int *	firstFrame,
		int *	lastFrame
	)			const

Fills the given frame index variables with the frame range available for the scene time.

Parameters:

	firstFrame	The index of the first frame in the scene's time range.
	lastFrame	The index of the last frame in the scene's time range.

int SceneModel::getCurrentFrame

(

)

const

Returns the index of the current frame in the scene's time.

Returns:

The index of the current frame in the scene's time.

int SceneModel::getStartFrame

(

)

const

Returns the index of the start frame in the scene's time.

Returns:

The index of the start frame in the scene's time.

int SceneModel::getEndFrame

(

)

const

Returns the index of the end frame in the scene's time.

Returns:

The index of the end frame in the scene's time.

int SceneModel::getInFrame

(

)

const

Returns the index of the in frame in the scene's time.

Returns:

The index of the in frame in the scene's time.

int SceneModel::getOutFrame

(

)

const

Returns the index of the out frame in the scene's time.

Returns:

The index of the out frame in the scene's time.

void SceneModel::createSceneRoot

(

)

Creates the OGRE scene root scene node.

void SceneModel::createScene

(

daeElement *

rootElement

)

Creates the scene objects by parsing the COLLADA element tree contained in the given root element.

Parameters:

rootElement

The root element of the tree to build the scene from.

QString SceneModel::createObject	(	const QString &	typeName,
		const QString &	name = "",
		const QPointF &	position = QPointF(-1, -1),
		bool	select = false,
		bool	visible = true
	)

Creates a scene object of the given type with the given name with a node graphics item at the given location and optionally selects it.

Parameters:

	typeName	The name of the type of object to create.
	name	The name to give to the object to add to the model.
	position	The position for the object's node graphics item.
	select	Flag to control whether to select the new node.
	visible	Flag to control whether the object should be visible in the scene model.

Returns:

The name of the created object, or an empty string if the object could not be created.

void SceneModel::connectParameters	(	Node *	sourceNode,
		const QString &	sourceParameterName,
		Node *	targetNode,
		const QString &	targetParameterName
	)

Creates a connection between the parameters with the given names of the given nodes.

The parameters to be connected must have the same parameter type.

Parameters:

	sourceNode	The source node for the new connection.
	sourceParameterName	The name of the output parameter of the source node.
	targetNode	The target node for the new connection.
	targetParameterName	The name of the input parameter of the target node.

void SceneModel::connectParametersByName	(	Node *	sourceNode,
		Node *	targetNode
	)

Connects all parameters with the same name of two nodes.

The parameters to be connected must have the same parameter type.

Parameters:

	sourceNode	The source node for the new connections.
	targetNode	The target node for the new connections.

void SceneModel::createDaeElements

(

daeElement *

parentElement

)

const

Creates a COLLADA element tree corresponding to the objects currently contained in the scene.

Parameters:

parentElement

The element under which to create the COLLADA element tree representing the scene.

void SceneModel::clear

(

)

Deletes all objects contained in the scene.

void SceneModel::connectParameters	(	Parameter *	sourceParameter,
		Parameter *	targetParameter
	)			[slot]

Creates a connection between the given parameters.

Public Slots.

The parameters to be connected must have the same parameter type.

Parameters:

	sourceParameter	The output parameter of the source node to connect.
	targetParameter	The input parameter of the target node to connect.

Creates a connection between the given parameters.

The parameters to be connected must have the same parameter type.

Parameters:

	sourceParameter	The output parameter of the source node to connect.
	targetParameter	The input parameter of the target node to connect.

void SceneModel::connectParameters	(	Node *	sourceNode,
		Node *	targetNode
	)			[slot]

Create connections between two nodes (connect by name).

Parameters:

	sourceNode	The source node.
	targetNode	The target node.

void SceneModel::createCamera

(

ViewingParameters *

viewingParameters

)

[slot]

Creates a new camera with parameters initialized according to the given viewing parameters.

Parameters:

viewingParameters

A collection of parameters for viewing the 3D scene.

void SceneModel::deleteCamera

(

const QString &

cameraName

)

[slot]

Deletes an existing camera.

Parameters:

cameraName

The name of the camera to delete.

void SceneModel::updateCamera	(	const QString &	cameraName,
		ViewingParameters *	viewingParameters
	)			[slot]

Applies the given viewing parameters to the camera with the given name.

Parameters:

	cameraName	The name of the camera to update.
	viewingParameters	The viewing parameters to apply to the camera with the given name.

void SceneModel::cameraListRequested

(

)

[slot]

Sends the list of camereas when requested.

void SceneModel::applyCamera	(	const QString &	cameraName,
		ViewingParameters *	viewingParameters
	)			[slot]

Applies the viewing parameters of the camera with the given name to the given viewing parameters.

Parameters:

	cameraName	The name of the camera to use.
	viewingParameters	The viewing parameters to modify.

void SceneModel::deleteObject

(

const QString &

name

)

[slot]

Deletes a given object.

void SceneModel::selectDeselectObject

(

const QString &

name

)

[slot]

Selects and deselects a given object.

void SceneModel::deleteSelected

(

)

[slot]

Deletes the currently selected objects from the scene.

void SceneModel::selectAll

(

)

[slot]

Selects all objects in the scene.

void SceneModel::evaluateSelectedObjects

(

)

[slot]

Sets the evaluation flag of the selected objects to True.

void SceneModel::ignoreSelectedObjects

(

)

[slot]

Sets the evaluation flag of the selected objects to False.

void SceneModel::graphicsSceneSelectionChanged

(

)

[slot]

Updates the selection model according to the currently selected graphics items in the graphics scene.

Is called when the selection in the graphics scene has changed.

void SceneModel::changeNodeName

(

const QString &

name

)

[slot]

Updates the m_graphicsItemList in case a node has changed its name.

void SceneModel::selectObject	(	const QString &	name,
		bool	toggle = false
	)			[slot]

Selects the object with the given name or toggles the selection state of the object with the given name.

Parameters:

	name	The name of the object to select.
	toggle	Flag that controls whether to toggle the selection of the object with the given name.

void SceneModel::deselectObject

(

const QString &

name = ""

)

[slot]

Deselects the object with the given name.

Parameters:

name

The name of the object to deselect.

void SceneModel::setCurrentFrame	(	int	index,
		bool	realtime = false
	)			[slot]

Sets the index of the current frame in the scene's time.

Parameters:

index

The new index of the current frame in the scene's time.

void SceneModel::setStartFrame

(

int

index

)

[slot]

Sets the index of the start frame in the scene's time.

Parameters:

index

The new index of the start frame in the scene's time.

void SceneModel::setEndFrame

(

int

index

)

[slot]

Sets the index of the end frame in the scene's time.

Parameters:

index

The new index of the end frame in the scene's time.

void SceneModel::setInFrame

(

int

index

)

[slot]

Sets the index of the in frame in the scene's time.

Parameters:

index

The new index of the in frame in the scene's time.

void SceneModel::setOutFrame

(

int

index

)

[slot]

Sets the index of the out frame in the scene's time.

Parameters:

index

The new index of the out frame in the scene's time.

void SceneModel::setFrameStep

(

int

frameStep

)

[slot]

Sets the frame step to use for the scene.

Parameters:

frameStep

The frame step to use for the scene.

void SceneModel::setFrameRate

(

int

frameRate

)

[slot]

Sets the frame rate to use for the scene.

Parameters:

frameRate

The frame rate to use for the scene.

void SceneModel::frameSelectedObjects

(

ViewingParameters *

viewingParameters

)

[slot]

Adjusts the given viewing parameters so that the currently selected objects are centered in the view.

All objects will be framed if no objects are currently selected.

Parameters:

viewingParameters

The viewing parameters to modify.

void SceneModel::setViewNode	(	unsigned int	stageIndex,
		ViewNode *	viewNode
	)			[slot]

Sets the node that currently has the view flag set.

Parameters:

	stageIndex	The index of the stage for which to set the view node (currently not used).
	viewNode	The new node that is currently viewed.

void SceneModel::rebuildScene

(

)

[slot]

Rebuilds the OGRE scene by obtaining the Ogre scene node from the current view node.

Obtains the OGRE scene node from the current view node and adds it as a child to the scene root scene node.

void SceneModel::redrawTriggered

(

)

[slot]

Redraws the OGRE scene when active view node exists.

void SceneModel::setNewNodePosition

(

const QPointF &

scenePosition

)

[slot]

Sets the scene coordinates to use when creating a new node.

Parameters:

scenePosition

The position in scene coordinates to use for a new node.

void SceneModel::addKey

(

NumberParameter *

numberParameter

)

[slot]

Adds a keyframe for the given number parameter at the current frame index.

Parameters:

numberParameter

The number parameter to add a keyframe for.

void SceneModel::sceneNameChanged

(

const QString &

name

)

[signal]

Signal that is emitted when the scene name has changed.

Parameters:

name

The scene name.

void SceneModel::realtimeModeToggled

(

bool

realtime

)

[signal]

Signal that is emitted when the realtime mode has changed.

Parameters:

realtime

Flag that states whether realtime mode is enabled or not.

void SceneModel::selectionChanged

(

bool

objectsSelected

)

[signal]

Signal that is emitted when the selection has changed.

Parameters:

objectsSelected

Flag that states whether objects in the scene are selected.

void SceneModel::currentFrameSet

(

int

index

)

[signal]

Signal that is emitted when the index of the current frame in the scene's time has been changed.

Parameters:

index

The new index of the current frame in the scene's time.

void SceneModel::startFrameSet

(

int

index

)

[signal]

Signal that is emitted when the index of the start frame in the scene's time has been changed.

Parameters:

index

The new index of the start frame in the scene's time.

void SceneModel::endFrameSet

(

int

index

)

[signal]

Signal that is emitted when the index of the end frame in the scene's time has been changed.

Parameters:

index

The new index of the end frame in the scene's time.

void SceneModel::inFrameSet

(

int

index

)

[signal]

Signal that is emitted when the index of the in frame in the scene's time has been changed.

Parameters:

index

The new index of the in frame in the scene's time.

void SceneModel::outFrameSet

(

int

index

)

[signal]

Signal that is emitted when the index of the out frame in the scene's time has been changed.

Parameters:

index

The new index of the out frame in the scene's time.

void SceneModel::frameStepSet

(

int

frameStep

)

[signal]

Signal that is emitted when the frame step for the scene has been changed.

Parameters:

frameStep

The new frame step to use for the scene.

void SceneModel::frameRateSet

(

int

frameRate

)

[signal]

Signal that is emitted when the frame rate for the scene has been changed.

Parameters:

frameRate

The new frame rate to use for the scene.

void SceneModel::modified

(

)

[signal]

Signal that is emitted when the internal state of the scene model has changed.

void SceneModel::triggerRedraw

(

)

[signal]

Signal emitted when ogre scene node has changed in a a way that only scene redraw is needed. No structural change.

void SceneModel::renderingTriggered

(

)

[signal]

Signal emitted when render targets should be updated.

void SceneModel::imageSet	(	unsigned int	stageIndex,
		Ogre::TexturePtr	image
	)			[signal]

Signal that is emitted when the image to be viewed has been changed.

Parameters:

	stageIndex	The index of the stage to which the image belongs.
	image	The image that is to be viewed.

void SceneModel::objectCreated

(

const QString &

objectName

)

[signal]

Signal that is emitted when a new object has been created.

Parameters:

objectName

The name of the created object.

void SceneModel::camerasUpdated	(	const QList< Node * > &	cameraNodes,
		const QString &	cameraName
	)			[signal]

Signal that is emitted when the list of cameras has changed.

Parameters:

	cameraNames	List of cameras in the scene.
	cameraName	Name of new created camera.

void SceneModel::timerEvent

(

QTimerEvent *

event

)

[protected, virtual]

Handles timer events for the scene model.

Protected Events.

Parameters:

event

The description of the timer event.

Handles timer events for the scene model.

Parameters:

event

The description of the timer event.

void SceneModel::selectionModelSelectionChanged	(	const QItemSelection &	selected,
		const QItemSelection &	deselected
	)			[private, slot]

Updates the scene model according to the given item selections.

Private Slots.

Is called when the selection in the selection model has changed.

Parameters:

	selected	The list of selected items.
	deselected	The list of deselected items.

Updates the scene model according to the given item selections.

Is called when the selection in the selection model has changed.

Parameters:

	selected	The list of selected items.
	deselected	The list of deselected items.

void SceneModel::connectionDestroyed

(

Connection *

connection

)

[private, slot]

Removes the connection that has been destroyed from the list of connections.

Is called when a connection has been destroyed.

void SceneModel::on_m_inFrameAction_triggered

(

bool

checked = false

)

[private, slot]

Event handler that is called when the in frame action has been triggered.

Parameters:

checked

The state of the action.

void SceneModel::on_m_previousKeyAction_triggered

(

bool

checked = false

)

[private, slot]

Event handler that is called when the previous key action has been triggered.

Parameters:

checked

The state of the action.

void SceneModel::on_m_previousFrameAction_triggered

(

bool

checked = false

)

[private, slot]

Event handler that is called when the previous frame action has been triggered.

Parameters:

checked

The state of the action.

void SceneModel::on_m_playAction_toggled

(

bool

checked

)

[private, slot]

Event handler that is called when the play action has been toggled.

Parameters:

	checked	The state of the play action.
	checked	The state of the action.

void SceneModel::on_m_realtimeAction_toggled

(

bool

checked

)

[private, slot]

Event handler that is called when the realtime action has been toggled.

Parameters:

checked

The state of the action.

void SceneModel::on_m_nextFrameAction_triggered

(

bool

checked = false

)

[private, slot]

Event handler that is called when the next frame action has been triggered.

Parameters:

checked

The state of the action.

void SceneModel::on_m_nextKeyAction_triggered

(

bool

checked = false

)

[private, slot]

Event handler that is called when the next key action has been triggered.

Parameters:

checked

The state of the action.

void SceneModel::on_m_outFrameAction_triggered

(

bool

checked = false

)

[private, slot]

Event handler that is called when the out frame action has been triggered.

Parameters:

checked

The state of the action.

void SceneModel::initializeActions

(

)

[private]

Initializes the actions that are contained in the scene model.

Private Functions.

void SceneModel::updateActions

(

)

[private]

Enables or disables the timeline actions according to the current frame index.

QPointF SceneModel::decodePosition	(	std::string	position,
		const QString &	nodeName
	)			[private]

Decodes the given position for node graphics items from a COLLADA scene file.

Parameters:

	position	The position value to decode into a Qt position.
	nodeName	The name of the node whose position value to decode (used for log messages only).

Returns:

The position corresponding to the given position value.

void SceneModel::createDaeElements	(	ParameterGroup *	parameterGroup,
		daeElement *	parentElement
	)			const [private]

Creates COLLADA elements corresponding to the parameters contained in the given parameter group and adds them to the given parent element.

Parameters:

	parameterGroup	The parameter group to create COLLADA elements from.
	parentElement	The element under which to create the COLLADA elements representing the parameter group.

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Member Data Documentation

QString SceneModel::m_name [private]

The name of the current scene.

NodeModel* SceneModel::m_nodeModel [private]

The node model that holds all scene objects like meshes, cameras and lights.

QItemSelectionModel* SceneModel::m_selectionModel [private]

The selection model to use for synchronizing selections in all views.

QGraphicsScene* SceneModel::m_graphicsScene [private]

The graphics scene to use for all network views.

QMap<QString, QGraphicsItem *> SceneModel::m_graphicsItemMap [private]

A map for referencing graphics items by name.

QMap<QString, QGraphicsItem *> SceneModel::m_connectionGraphicsItemMap [private]

A map for referencing graphics items (connections) by name.

QMap<unsigned int, Connection *> SceneModel::m_connectionMap [private]

The list of connections currently set up in the scene.

QList<Node *> SceneModel::m_cameraNodes [private]

The list of camera nodes currently set up in the scene.

int SceneModel::m_newNodeIndex [private]

The number of newly created nodes to be used in the name of new nodes.

NumberParameter* SceneModel::m_frameParameter [private]

The parameter containing the index of the current frame and the global frame range.

NumberParameter* SceneModel::m_frameRangeParameter [private]

The parameter defining the indices of the in and out frames.

int SceneModel::m_frameStep [private]

The number of frames to advance the animation by each play back step.

NumberParameter* SceneModel::m_fpsParameter [private]

The parameter containing the number of frames per second.

QTime SceneModel::m_lastTimestamp [private]

The last timestamp.

double SceneModel::m_averageFps [private]

The averarage fps.

unsigned int SceneModel::m_averageCounter [private]

The average counter.

QList<ViewNode *> SceneModel::m_viewNodeList [private]

The node that currently has the view flag set.

int SceneModel::m_timerId [private]

The ID of the scene timer.

Ogre::SceneNode* SceneModel::m_sceneRoot [private]

The parent scene node for all scene objects to be displayed in viewports.

QPointF SceneModel::m_newNodePosition [private]

The position to use for new nodes.

QAction* SceneModel::m_inFrameAction [private]

The action for jumping to the in frame of the animation.

QAction* SceneModel::m_previousKeyAction [private]

The action for jumping to the previous key of the selected channel.

QAction* SceneModel::m_previousFrameAction [private]

The action for selecting the previous frame in the animation.

QAction* SceneModel::m_playAction [private]

The action for starting and stopping animation playback.

QAction* SceneModel::m_realtimeAction [private]

The action for starting and stopping realtime animation playback.

QAction* SceneModel::m_nextFrameAction [private]

The action for selecting the next frame in the animation.

QAction* SceneModel::m_nextKeyAction [private]

The action for jumping to the next key of the selected channel.

QAction* SceneModel::m_outFrameAction [private]

The action for jumping to the out frame of the animation.

QAction* SceneModel::m_separatorAction [private]

The action representing a separator for separating the playback options.

QAction* SceneModel::m_playOptionsAction [private]

The action for grouping playback options.

QAction* SceneModel::m_playLoopingAction [private]

The action representing the play looping option.

QAction* SceneModel::m_playOnceAction [private]

The action representing the play once option.

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

• SceneModel.h
• SceneModel.cpp