Viewer based on MyCamera providing Trackball rotation, Rubberband zoom and Picking. More...

#include <MyCameraWidget.h>

Inheritance diagram for MyCameraWidget:

Public Types
enum	MouseMode { ROTATE, RUBBERBAND, SELECT }
	Different action modes for mouse. More...

Public Slots
void	setProjection (int proj)

void	setMouseMode (int mode)
	Set mouse action mode (see enum MouseMode for a list of supported action modes) More...

Public Slots inherited from OsgViewerWidget
virtual void	idle (double simulationTime=USE_REFERENCE_TIME)
	Do event and update traversal. More...

void	triggerRedraw ()
	Trigger a redraw in 1/60 sec. More...

void	toggleContinuousUpdate (bool activate)
	Toggle continous redraw (usefull for animation) More...

void	forceContinuousUpdate (bool force)
	Forces continous redraw (i.e. continuous redraw cannot be disabled via toggleContinousUpdate(false)) More...

Signals
void	positionChanged (float x, float y, float z)
	Unprojected mouse position. More...

void	focusChanged (bool)
	On focusInEvent/focusOutEvent this signal is emitted respectively with true/false as parameter. More...

void	doubleClicked (Selectable *selectable)
	Emitted when in SELECTION mode currently highlighted Selectable is double-clicked. More...

Signals inherited from OsgAdapterWidget
void	processEvents ()

Public Member Functions
	MyCameraWidget (QWidget *parent=0)

virtual	~MyCameraWidget ()

int	getProjection () const
	Get projection setting of MyCamera member (see MyCamera::Projection for supported projections) More...

int	getMouseMode () const
	Get current mouse action mode. More...

MyCamera *	getMyCamera ()
	Access to MyCamera class (e.g. for switching between orthographic and perspective projection) More...

virtual void	setSceneData (osg::Node *node)
	Override to append own HUD. More...

Public Member Functions inherited from OsgViewerWidget
	OsgViewerWidget (QWidget *parent=0)

virtual	~OsgViewerWidget ()

virtual bool	paintGL2PS (const char *filename, int format)
	Render scene to postscript using GL2PS library. More...

bool	isContinuousUpdateForced () const
	Returns true if continous update was forced (i.e. continuous redraw cannot be disable via toggleContinousUpdate(false)) More...

virtual void	frame (double simulationTime=USE_REFERENCE_TIME)

virtual void	requestRedraw ()

virtual void	requestContinuousUpdate (bool needed=true)

virtual void	requestWarpPointer (float x, float y)

Public Member Functions inherited from OsgAdapterWidget
	OsgAdapterWidget (QWidget *parent=0)

virtual	~OsgAdapterWidget ()

osgViewer::GraphicsWindow *	getGraphicsWindow ()

const osgViewer::GraphicsWindow *	getGraphicsWindow () const

Protected Slots
void	mouseOverNode (osg::Node *node)
	Corresponding signal from PickingHandler is connected here. More...

virtual void	focusInEvent (QFocusEvent *)
	Override QWidget::focusInEvent() to notice that we received focus. More...

virtual void	focusOutEvent (QFocusEvent *)
	Override QWidget::focusOutEvent() to notice that we lost focus. More...

void	myCameraChanged ()

Protected Member Functions
virtual void	paintGL ()
	Override OsgViewerWidget::paintGL() for overpainting via OpenGL. More...

virtual void	resizeGL (int width, int height)
	Override OsgAdapterWidget::resizeGL() for changing HUD aspect ratio also. More...

osg::Node *	createHUD (osgText::Text *text)
	Helper function which creates a simple heads-up-display which is later used to show name of highlighted Pickable. More...

osg::Node *	createAxesView ()
	Helper function which creates a little 3d view in the lower left of fixed size showing the 3d coordinate axes. More...


virtual void	mouseMoveEvent (QMouseEvent *event)
	Override Qt mouse events to allow different mouse modes. More...

virtual void	mousePressEvent (QMouseEvent *event)

virtual void	mouseReleaseEvent (QMouseEvent *event)

virtual void	mouseDoubleClickEvent (QMouseEvent *event)

virtual void	wheelEvent (QWheelEvent *event)

Protected Member Functions inherited from OsgAdapterWidget
void	init ()

virtual void	keyPressEvent (QKeyEvent *event)

virtual void	keyReleaseEvent (QKeyEvent *event)

osgGA::GUIEventAdapter *	makeEventAdapter (QMouseEvent *event, osgGA::GUIEventAdapter::EventType type)

Protected Attributes
MyCamera *	m_myCamera

int	m_mouseMode

bool	m_rubberbandActive

ClipRect	m_rubberbandRect

osg::ref_ptr< osg::Node >	m_hud

osg::ref_ptr< PickingHandler >	m_pickingHandler
	heads-up-display, should be an osg::Camera to make aspect ratio adjustion in resizeGL work More...

osg::ref_ptr < osg::MatrixTransform >	m_axes

osg::ref_ptr< osg::Node >	m_axesView

Protected Attributes inherited from OsgAdapterWidget
osg::ref_ptr < osgViewer::GraphicsWindowEmbedded >	_gw

Additional Inherited Members
Public Attributes inherited from OsgViewerWidget
unsigned long	idleCount

Detailed Description

Viewer based on MyCamera providing Trackball rotation, Rubberband zoom and Picking.

Author: Max Hermann <mhermann[at]mail.cern.ch>

Member Enumeration Documentation

enum MyCameraWidget::MouseMode

Different action modes for mouse.

Enumerator
ROTATE	Trackball rotation on left mouse button.
RUBBERBAND	Rubberband zoom on left mouse button.
SELECT	Picking/Selection on left mouse button.

Constructor & Destructor Documentation

MyCameraWidget::MyCameraWidget ( QWidget * parent = 0 )

References MyCamera::associate(), createAxesView(), createHUD(), m_axesView, m_hud, m_myCamera, m_pickingHandler, myCameraChanged(), and MyCamera::update().

virtual MyCameraWidget::~MyCameraWidget ( )

inlinevirtual

Member Function Documentation

osg::Node * MyCameraWidget::createAxesView ( )

protected

Helper function which creates a little 3d view in the lower left of fixed size showing the 3d coordinate axes.

References m_axes.

Referenced by MyCameraWidget().

osg::Node * MyCameraWidget::createHUD ( osgText::Text * text )

protected

Helper function which creates a simple heads-up-display which is later used to show name of highlighted Pickable.

Referenced by MyCameraWidget().

void MyCameraWidget::doubleClicked ( Selectable * selectable )

signal

Emitted when in SELECTION mode currently highlighted Selectable is double-clicked.

Referenced by mouseDoubleClickEvent().

void MyCameraWidget::focusChanged ( bool )

signal

On focusInEvent/focusOutEvent this signal is emitted respectively with true/false as parameter.

Referenced by focusInEvent(), and focusOutEvent().

virtual void MyCameraWidget::focusInEvent ( QFocusEvent * )

inlineprotectedvirtualslot

Override QWidget::focusInEvent() to notice that we received focus.

References focusChanged().

virtual void MyCameraWidget::focusOutEvent ( QFocusEvent * )

inlineprotectedvirtualslot

Override QWidget::focusOutEvent() to notice that we lost focus.

References focusChanged().

int MyCameraWidget::getMouseMode ( ) const

inline

Get current mouse action mode.

References m_mouseMode.

MyCamera* MyCameraWidget::getMyCamera ( )

inline

Access to MyCamera class (e.g. for switching between orthographic and perspective projection)

References m_myCamera.

Referenced by EventViewerWidget::adjustCenter(), EventViewerWidget::adjustDistance(), EventViewerWidget::EventViewerWidget(), EventViewerWidget::fitBoundingBox(), EventViewerWidget::getMyCamera(), EventViewerWidget::getRulerProjection(), EventViewerWidget::setLinked(), EventViewerWidget::setScenegraph(), EventViewerWidget::setViewHome(), EventViewerWidget::setViewMode(), and EventViewerWidget::updateRuler().

int MyCameraWidget::getProjection ( ) const

inline

Get projection setting of MyCamera member (see MyCamera::Projection for supported projections)

References MyCamera::getProjection(), and m_myCamera.

void MyCameraWidget::mouseDoubleClickEvent ( QMouseEvent * event )

protectedvirtual

References doubleClicked(), Selectable::getCurrent(), m_mouseMode, OsgAdapterWidget::mousePressEvent(), and SELECT.

void MyCameraWidget::mouseMoveEvent ( QMouseEvent * event )

protectedvirtual

Override Qt mouse events to allow different mouse modes.

Reimplemented from OsgAdapterWidget.

Reimplemented in EventCameraWidget.

References ClipRect::bottom, m_myCamera, m_rubberbandActive, m_rubberbandRect, OsgAdapterWidget::mouseMoveEvent(), positionChanged(), ClipRect::right, and MyCamera::unproject().

Referenced by EventCameraWidget::mouseMoveEvent().

void MyCameraWidget::mouseOverNode ( osg::Node * node )

protectedslot

Corresponding signal from PickingHandler is connected here.

void MyCameraWidget::mousePressEvent ( QMouseEvent * event )

protectedvirtual

Reimplemented from OsgAdapterWidget.

Reimplemented in EventCameraWidget.

References ClipRect::bottom, ClipRect::left, m_mouseMode, m_rubberbandActive, m_rubberbandRect, OsgAdapterWidget::mousePressEvent(), OsgViewerWidget::requestContinuousUpdate(), ClipRect::right, ROTATE, RUBBERBAND, SELECT, Selectable::toggleCurrent(), and ClipRect::top.

Referenced by EventCameraWidget::mousePressEvent().

void MyCameraWidget::mouseReleaseEvent ( QMouseEvent * event )

protectedvirtual

Reimplemented from OsgAdapterWidget.

Reimplemented in EventCameraWidget.

References ClipRect::bottom, ClipRect::left, m_mouseMode, m_myCamera, m_rubberbandActive, m_rubberbandRect, OsgAdapterWidget::mouseReleaseEvent(), OsgViewerWidget::requestContinuousUpdate(), ClipRect::right, ROTATE, RUBBERBAND, ClipRect::sort(), ClipRect::top, and MyCamera::zoom().

Referenced by EventCameraWidget::mouseReleaseEvent().

void MyCameraWidget::myCameraChanged ( )

protectedslot

References m_axes, m_myCamera, and MyCamera::rotation().

Referenced by MyCameraWidget().

void MyCameraWidget::paintGL ( )

protectedvirtual

Override OsgViewerWidget::paintGL() for overpainting via OpenGL.

Reimplemented from OsgViewerWidget.

References ClipRect::bottom, ClipRect::left, m_rubberbandActive, m_rubberbandRect, OsgViewerWidget::paintGL(), ClipRect::right, ClipRect::sort(), and ClipRect::top.

void MyCameraWidget::positionChanged	(	float	x,
		float	y,
		float	z
	)

signal

Unprojected mouse position.

Referenced by mouseMoveEvent().

void MyCameraWidget::resizeGL	(	int	width,
		int	height
	)

protectedvirtual

Override OsgAdapterWidget::resizeGL() for changing HUD aspect ratio also.

Reimplemented from OsgAdapterWidget.

References m_hud, and OsgAdapterWidget::resizeGL().

void MyCameraWidget::setMouseMode ( int mode )

slot

Set mouse action mode (see enum MouseMode for a list of supported action modes)

References m_mouseMode, m_pickingHandler, SELECT, and OsgViewerWidget::toggleContinuousUpdate().

void MyCameraWidget::setProjection ( int proj )

inlineslot

Set projection setting of MyCamera member (see MyCamera::Projection for supported projections) Pass thru is needed because MyCamera is no Q_OBJECT

References m_myCamera, and MyCamera::setProjection().

Referenced by EventViewerWidget::setViewMode().

void MyCameraWidget::setSceneData ( osg::Node * node )

virtual

Override to append own HUD.

Reimplemented in EventCameraWidget.

References m_axesView, m_hud, and OsgLighting::setupDefaultLighting().

Referenced by EventCameraWidget::setSceneData().

void MyCameraWidget::wheelEvent ( QWheelEvent * event )

protectedvirtual

Reimplemented from OsgAdapterWidget.

Reimplemented in EventCameraWidget.

References OsgAdapterWidget::wheelEvent().

Referenced by EventCameraWidget::wheelEvent().

Member Data Documentation

osg::ref_ptr<osg::MatrixTransform> MyCameraWidget::m_axes

protected

Referenced by createAxesView(), and myCameraChanged().

osg::ref_ptr<osg::Node> MyCameraWidget::m_axesView

protected

Referenced by MyCameraWidget(), and setSceneData().

osg::ref_ptr<osg::Node> MyCameraWidget::m_hud

protected

Referenced by MyCameraWidget(), resizeGL(), and setSceneData().

int MyCameraWidget::m_mouseMode

protected

Referenced by getMouseMode(), mouseDoubleClickEvent(), EventCameraWidget::mouseMoveEvent(), EventCameraWidget::mousePressEvent(), mousePressEvent(), EventCameraWidget::mouseReleaseEvent(), mouseReleaseEvent(), and setMouseMode().

MyCamera* MyCameraWidget::m_myCamera

protected

Referenced by getMyCamera(), getProjection(), mouseMoveEvent(), mouseReleaseEvent(), myCameraChanged(), MyCameraWidget(), and setProjection().

osg::ref_ptr<PickingHandler> MyCameraWidget::m_pickingHandler

protected

heads-up-display, should be an osg::Camera to make aspect ratio adjustion in resizeGL work

Referenced by MyCameraWidget(), and setMouseMode().

bool MyCameraWidget::m_rubberbandActive

protected

Referenced by mouseMoveEvent(), mousePressEvent(), mouseReleaseEvent(), and paintGL().

ClipRect MyCameraWidget::m_rubberbandRect

protected

Referenced by mouseMoveEvent(), mousePressEvent(), mouseReleaseEvent(), and paintGL().

Public Types

Public Slots

Signals

Public Member Functions

Protected Slots

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation