C++ GUIEventAdapter::getButtonMask方法代码示例

bool TimerHandler::handle( const osgGA::GUIEventAdapter& ea,
		                       osgGA::GUIActionAdapter& aa )
{
	
	switch ( ea.getEventType())
	{
	case osgGA::GUIEventAdapter::FRAME:
		//std::cout << "MouseButton mask: " << ea.getButtonMask() << std::endl;
		if(ea.getButtonMask() == 0)
			Constants::getInstance()->mouseDown = false;
		else if (ea.getButtonMask() & 2)
			Constants::getInstance()->mouseDown = true;
		float x = ea.getX();
		float y = ea.getY();
		//std::cout << "X:  " << x << std::endl;
		//std::cout << "Y:  " << y << std::endl;
		if(Constants::getInstance()->mouseDown == false && Constants::getInstance()->disableMouse == false && ScriptRunner::getInstance()->isRunning == false) gameRender->updateDirection(x, y);
		gameRender->updateGamePlay();
		_count++;
		break;
	}

	return false;



}

bool Vwr::CameraManipulator::handlePush(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us)
{
	if (ea.getButtonMask() == GUIEventAdapter::MIDDLE_MOUSE_BUTTON)
	{
		if (_distance != 0)
		{
			lastDistance = _distance;

			osg::Vec3d eye, cameraCenter, up;

			osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>( &us );
			viewer->getCamera()->getViewMatrixAsLookAt(eye, cameraCenter, up);

			_center = eye;
			_distance = 0;
		}
		else
		{
			_distance = lastDistance;
		}

		return true;
	}
	else
	{
		flushMouseEventStack();
		addMouseEvent(ea);
		if (calcMovement()) us.requestRedraw();
		us.requestContinuousUpdate(false);
		_thrown = false;
		return true;
	}
}

bool Vwr::CameraManipulator::handleRelease(const osgGA::GUIEventAdapter& ea,
		osgGA::GUIActionAdapter& us) {
	if (ea.getButtonMask() == 0) {

		double timeSinceLastRecordEvent = _ga_t0.valid() ? (ea.getTime()
				- _ga_t0->getTime()) : DBL_MAX;
		if (timeSinceLastRecordEvent > 0.02)
			flushMouseEventStack();

		if (isMouseMoving()) {
			if (calcMovement()) {
				us.requestRedraw();
				us.requestContinuousUpdate(true);
				_thrown = _allowThrow;
			}
		} else {
			flushMouseEventStack();
			addMouseEvent(ea);
			if (calcMovement())
				us.requestRedraw();
			us.requestContinuousUpdate(false);
			_thrown = false;
		}

	} else {
		flushMouseEventStack();
		addMouseEvent(ea);
		if (calcMovement())
			us.requestRedraw();
		us.requestContinuousUpdate(false);
		_thrown = false;
	}
	return true;
}

bool TranslatePlaneDragger::handle(const PointerInfo& pointer, const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
{
    // Check if the dragger node is in the nodepath.
    if (!pointer.contains(this)) return false;

    if ((ea.getButtonMask() & osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON) &&
        ea.getEventType() == osgGA::GUIEventAdapter::PUSH)
        _usingTranslate1DDragger = true;

    bool handled = false;
    if (_usingTranslate1DDragger)
    {
        if (_translate1DDragger->handle(pointer, ea, aa))
            handled = true;
    }
    else
    {
        if (_translate2DDragger->handle(pointer, ea, aa))
            handled = true;
    }

    if (ea.getEventType() == osgGA::GUIEventAdapter::RELEASE)
        _usingTranslate1DDragger = false;

    return handled;
}

    bool handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
    { 
        if ( ea.getHandled() ) return false;
        if ( ea.getEventType() == osgGA::GUIEventAdapter::PUSH &&
             ea.getButtonMask() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON &&
             (ea.getModKeyMask() & osgGA::GUIEventAdapter::MODKEY_CTRL) != 0 &&
             terrain_srs.valid() &&
             layer.valid() )
        {
            osgViewer::View* view = dynamic_cast<osgViewer::View*>( &aa );
            if ( !view ) return false;
            osgUtil::LineSegmentIntersector::Intersections hits;
            if ( view->computeIntersections( ea.getX(), ea.getY(), hits ) )
            {
                osgUtil::LineSegmentIntersector::Intersection first = *hits.begin();
                osg::Vec3d hit = first.getWorldIntersectPoint() - first.getWorldIntersectNormal()*0.2;
                osgGIS::GeoPoint world( hit, terrain_srs.get() );
                osgGIS::GeoPoint result = terrain_srs->getGeographicSRS()->transform( world );

                osgGIS::FeatureCursor cursor = layer->getCursor( result );
                highlight( cursor );

                std::stringstream buf;

                buf << "World: " << world.toString() << std::endl
                    << "Geo: " << result.toString() << std::endl
                    << "SRS: " << terrain_srs->getName() << std::endl;
                int line_count = 2;

                for( cursor.reset(); cursor.hasNext(); )
                {
                    osgGIS::Feature* f = cursor.next();
                    osgGIS::AttributeList attrs = f->getAttributes();
                    for( osgGIS::AttributeList::const_iterator i = attrs.begin(); i != attrs.end(); i++ )
                    {
                        std::string key = i->getKey();
                        if ( key.length() > 0 )
                        {
                            buf << key << " : " << i->asString() << std::endl;
                            line_count++;
                        }
                    }
                    break;
                }

                if ( buf.str().length() == 0 )
                {
                    buf << "Control-Left-Click to query";
                    line_count++;
                }
                hud_text->setText( buf.str() );
                hud_text->setPosition( osg::Vec3( 10, line_count*TEXT_SIZE*1.1f, 0 ) );
                hud_text->dirtyDisplayList();
            }
        }

        return false; // never "handled"
    }

bool OrbitCameraManipulator::handleMouseRelease( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
	osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
	if( !view )	return false;

	if( ea.getButtonMask() == 0 )
	{
		double timeSinceLastRecordEvent = _ga_t0.valid() ? (ea.getTime() - _ga_t0->getTime()) : DBL_MAX;
		if( timeSinceLastRecordEvent > 0.02 )
		{
			flushMouseEventStack();
		}

		if( isMouseMoving() )
		{
			if( performMovement( ea, aa ) && _allowThrow )
			{
				aa.requestRedraw();
				aa.requestContinuousUpdate( true );
				_thrown = true;
				// TODO: fade out throw animation
			}

			return true;
		}
	}
	
	if( !m_pointer_push_drag )
	{
		// select object
		bool intersection_geometry_found = intersectSceneSelect( ea, view );

		if( !intersection_geometry_found )
		{
			// click to background -> unselect all
			if( m_system != nullptr )
			{
				m_system->clearSelection();
			}
			
		}
	}
	m_pointer_push_drag = false;

	flushMouseEventStack();
	addMouseEvent( ea );
	if( performMovement( ea, aa ) )
	{
		aa.requestRedraw();
	}
	aa.requestContinuousUpdate( false );
	_thrown = false;

	return true;
}

bool NavigationControl::handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa, ControlContext& cx )
{
  switch ( ea.getEventType() )
  {
    case osgGA::GUIEventAdapter::PUSH:
      _mouse_down_event = &ea;
      break;
    case osgGA::GUIEventAdapter::FRAME:
      if ( _mouse_down_event )
      {
        _mouse_down_event = &ea;
      }
      break;
    case osgGA::GUIEventAdapter::RELEASE:
      for ( ControlEventHandlerList::const_iterator i = _eventHandlers.begin(); i != _eventHandlers.end(); ++i )
      {
        NavigationControlHandler* handler = dynamic_cast<NavigationControlHandler*>( i->get() );
        if ( handler )
        {
          handler->onClick( this, ea.getButtonMask(), ea, aa );
        }
      }
      _mouse_down_event = NULL;
      break;
    default:
      /* ignore */
      ;
  }
  if ( _mouse_down_event )
  {
    //OE_NOTICE << "NavigationControl::handle getEventType " << ea.getEventType() << std::endl;
    for ( ControlEventHandlerList::const_iterator i = _eventHandlers.begin(); i != _eventHandlers.end(); ++i )
    {
      NavigationControlHandler* handler = dynamic_cast<NavigationControlHandler*>( i->get() );
      if ( handler )
      {
        handler->onMouseDown( this, ea.getButtonMask() );
      }
    }
  }
  return Control::handle( ea, aa, cx );
}

bool InteractiveImageHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
{
    if (ea.getHandled()) return false;

    if (!_image) return false;

    switch(ea.getEventType())
    {
        case(osgGA::GUIEventAdapter::MOVE):
        case(osgGA::GUIEventAdapter::DRAG):
        case(osgGA::GUIEventAdapter::PUSH):
        case(osgGA::GUIEventAdapter::RELEASE):
        {
            osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
            int x,y;
            if (mousePosition(view, nv, ea, x, y))
            {
                return _image->sendPointerEvent(x, y, ea.getButtonMask());
            }
            break;
        }
        case(osgGA::GUIEventAdapter::KEYDOWN):
        case(osgGA::GUIEventAdapter::KEYUP):
        {
            osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
            int x,y;
            bool sendKeyEvent = mousePosition(view, nv, ea, x, y);

            if (sendKeyEvent)
            {
                return _image->sendKeyEvent(ea.getKey(), ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN);
            }
            break;
        }
        case (osgGA::GUIEventAdapter::RESIZE):
        {
            if (_fullscreen && _camera.valid())
            {
                _camera->setViewport(0, 0, ea.getWindowWidth(), ea.getWindowHeight());

                resize(ea.getWindowWidth(), ea.getWindowHeight());
                return true;
            }
            break;
        }

        default:
            return false;
    }
    return false;
}

bool PickHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa)
{
    switch(ea.getEventType())
    {
    case(osgGA::GUIEventAdapter::PUSH):
        {
            if (ea.getModKeyMask() == 0)
                return false;

            osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
            if (view == NULL)
                return false;

            osgUtil::LineSegmentIntersector::Intersection intersection;
            osg::NodePath node_path;
            Renderable* renderable = NULL;
            if (ea.getButtonMask() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)
                renderable = computeIntersection<Renderable>(view, ea, intersection, node_path);
            else if (ea.getButtonMask() == osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON)
                renderable = computePointIntersection<Renderable>(view, ea, intersection, node_path);
            else 
                return false;

            if (renderable == NULL)
                return false;

            renderable->pickEvent(ea.getModKeyMask(), intersection.getWorldIntersectPoint());
            return true;
        }
        break;
    default:
        return false;
    }

    return false;
}

 void write(const osgGA::GUIEventAdapter& event)
 {
     writeUInt(event.getEventType());
     writeUInt(event.getKey());
     writeUInt(event.getButton());
     writeInt(event.getWindowX());
     writeInt(event.getWindowY());
     writeUInt(event.getWindowWidth());
     writeUInt(event.getWindowHeight());
     writeFloat(event.getXmin());
     writeFloat(event.getYmin());
     writeFloat(event.getXmax());
     writeFloat(event.getYmax());
     writeFloat(event.getX());
     writeFloat(event.getY());
     writeUInt(event.getButtonMask());
     writeUInt(event.getModKeyMask());
     writeDouble(event.getTime());
 }

bool PickHandler::handlePush( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
	if (ea.getButtonMask() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)
	{
		leftButtonPressed = true;

		origin_mX = ea.getX();
		origin_mY = ea.getY();

		origin_mX_normalized = ea.getXnormalized();
		origin_mY_normalized = ea.getYnormalized();

		if (pickMode != PickMode::NONE && !isShiftPressed && !isCtrlPressed)
		{
			unselectPickedNodes();
			unselectPickedEdges();
		}

		osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>( &aa );

		if (!viewer)
			return false;

		if (pickMode == PickMode::MULTI)
		{
			isDrawingSelectionQuad = true;

			drawSelectionQuad(origin_mX, origin_mY, viewer);
		}

		else
		{
			return pick(ea.getXnormalized() - 0.00005f, ea.getYnormalized() - 0.00005f, ea.getXnormalized() + 0.00005f, ea.getYnormalized() + 0.00005f, viewer );

		}
	}

	_mX = ea.getX();
	_mY = ea.getY();
	return false;
}

// mouse button has been pushed down
bool OrbitCameraManipulator::handleMousePush( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
	osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
	if( !view )
	{
		return false;
	}

	m_pointer_push_drag = false;
	flushMouseEventStack();
	addMouseEvent( ea );
	m_ga_pointer_push = &ea;

	intersectSceneRotateCenter( ea, view );

	int buttonMask = ea.getButtonMask();
	if( buttonMask == osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON || buttonMask == (osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON | osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON) )
	{
		m_pan_point.set( m_pointer_intersection );
	}
	
	if( buttonMask == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON )
	{
		osg::Vec3d distance_intersect_eye( m_pointer_intersection - m_eye );
		//double distance_eye_intersection = distance_intersect_eye.length();

		// rotate the intersection cone into mouse ray direction
		if( m_intersect_hit_geometry )
		{

		}
	}
	aa.requestRedraw();
	aa.requestContinuousUpdate( false );
	_thrown = false;

	return false;
}

bool TabPlaneDragger::handle(const PointerInfo& pointer, const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
{
    if (ea.getButtonMask() & osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON) return false;

    // Check if the dragger node is in the nodepath.
    if (!pointer.contains(this)) return false;

    // Since the translate plane and the handleNode lie on the same plane the hit could've been on either one. But we
    // need to handle the scaling draggers before the translation. Check if the node path has the scaling nodes else
    // check for the scaling nodes in next hit.
    if (_cornerScaleDragger->handle(pointer, ea, aa))
        return true;
    if (_horzEdgeScaleDragger->handle(pointer, ea, aa))
        return true;
    if (_vertEdgeScaleDragger->handle(pointer, ea, aa))
        return true;

    PointerInfo nextPointer(pointer);
    nextPointer.next();

    while (!nextPointer.completed())
    {
        if (_cornerScaleDragger->handle(nextPointer, ea, aa))
            return true;
        if (_horzEdgeScaleDragger->handle(nextPointer, ea, aa))
            return true;
        if (_vertEdgeScaleDragger->handle(nextPointer, ea, aa))
            return true;

        nextPointer.next();
    }

    if (_translateDragger->handle(pointer, ea, aa))
        return true;

    return false;
}

//==============================================================================
static void assignEventToButtons(
    MouseButtonEvent (&mLastButtonEvent)[NUM_MOUSE_BUTTONS],
    const osgGA::GUIEventAdapter& ea)
{
    MouseButtonEvent event = BUTTON_NOTHING;
    if(ea.getEventType() == osgGA::GUIEventAdapter::PUSH)
        event = BUTTON_PUSH;
    else if(ea.getEventType() == osgGA::GUIEventAdapter::DRAG)
        event = BUTTON_DRAG;
    else if(ea.getEventType() == osgGA::GUIEventAdapter::RELEASE)
        event = BUTTON_RELEASE;

    if(BUTTON_RELEASE == event)
    {
        if( (ea.getButtonMask() & osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON) == 0
                && wasActive(mLastButtonEvent[LEFT_MOUSE]) )
            mLastButtonEvent[LEFT_MOUSE] = event;

        if( (ea.getButtonMask() & osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON) == 0
                && wasActive(mLastButtonEvent[RIGHT_MOUSE]) )
            mLastButtonEvent[RIGHT_MOUSE] = event;

        if( (ea.getButtonMask() & osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON) == 0
                && wasActive(mLastButtonEvent[MIDDLE_MOUSE]) )
            mLastButtonEvent[MIDDLE_MOUSE] = event;
    }
    else
    {
        if(ea.getButtonMask() & osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)
            mLastButtonEvent[LEFT_MOUSE] = event;

        if(ea.getButtonMask() & osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON)
            mLastButtonEvent[RIGHT_MOUSE] = event;

        if(ea.getButtonMask() & osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON)
            mLastButtonEvent[MIDDLE_MOUSE] = event;
    }
}

//==============================================================================
void DefaultEventHandler::eventPick(const osgGA::GUIEventAdapter& ea)
{
    MouseButtonEvent mbe;
    switch(ea.getEventType())
    {
    case osgGA::GUIEventAdapter::PUSH:
        mbe = BUTTON_PUSH;
        break;
    case osgGA::GUIEventAdapter::DRAG:
        mbe = BUTTON_DRAG;
        break;
    case osgGA::GUIEventAdapter::RELEASE:
        mbe = BUTTON_RELEASE;
        break;
    default:
        return;
    }

    if(   ( (ea.getButtonMask() & osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)
            && !mSuppressButtonPicks[LEFT_MOUSE][mbe])
            || ( (ea.getButtonMask() & osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON)
                 && !mSuppressButtonPicks[RIGHT_MOUSE][mbe])
            || ( (ea.getButtonMask() & osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON)
                 && !mSuppressButtonPicks[MIDDLE_MOUSE][mbe]))
    {
        pick(mTempPicks, ea);

        if(ea.getButtonMask() & osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)
            mButtonPicks[LEFT_MOUSE][mbe] = mTempPicks;

        if(ea.getButtonMask() & osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON)
            mButtonPicks[RIGHT_MOUSE][mbe] = mTempPicks;

        if(ea.getButtonMask() & osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON)
            mButtonPicks[MIDDLE_MOUSE][mbe] = mTempPicks;
    }
}