osgEarth::Util::Controls::CheckBoxControl Class Reference

Inheritance diagram for osgEarth::Util::Controls::CheckBoxControl:

Collaboration diagram for osgEarth::Util::Controls::CheckBoxControl:

List of all members.

Public Member Functions
	CheckBoxControl (bool checked=false)
	CheckBoxControl (bool checked, ControlEventHandler *callback)
void	setValue (bool value)
bool	getValue () const
virtual void	draw (const ControlContext &cx, DrawableList &out)
Protected Member Functions
virtual bool	handle (const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa, ControlContext &cx)
void	fireValueChanged ()
Private Attributes
bool	_value

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Detailed Description

A check box toggle.

Definition at line 366 of file Controls.

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Constructor & Destructor Documentation

CheckBoxControl::CheckBoxControl

(

bool

checked = false

)

Definition at line 913 of file Controls.cpp.

                                             :
_value( value )
{
    setWidth( 16 );
    setHeight( 16 );
}

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CheckBoxControl::CheckBoxControl	(	bool	checked,
		ControlEventHandler *	callback
	)

Definition at line 920 of file Controls.cpp.

                                                                           :
_value( value )
{
    this->addEventHandler( handler );
    setWidth( 16 );
    setHeight( 16 );
}

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Member Function Documentation

void CheckBoxControl::draw	(	const ControlContext &	cx,
		DrawableList &	out
	)		[virtual]

Reimplemented from osgEarth::Util::Controls::Control.

Definition at line 949 of file Controls.cpp.

{
    Control::draw( cx, out );

    if ( visible() == true )
    {
        osg::Geometry* g = new osg::Geometry();

        float rx = osg::round( _renderPos.x() );
        float ry = osg::round( _renderPos.y() );
        float rw = _renderSize.x() - padding().x();
        float rh = _renderSize.y() - padding().y();
        float vph = cx._vp->height(); // - padding().bottom();

        osg::Vec3Array* verts = new osg::Vec3Array(4);
        g->setVertexArray( verts );

        (*verts)[0].set( rx, vph - ry, 0 );
        (*verts)[1].set( rx + rw, vph - ry, 0 );
        (*verts)[2].set( rx + rw, vph - (ry + rh), 0 );
        (*verts)[3].set( rx, vph - (ry + rh), 0 );

        g->addPrimitiveSet( new osg::DrawArrays( GL_LINE_LOOP, 0, 4 ) );

        if ( _value )
        {
            osg::DrawElementsUByte* e = new osg::DrawElementsUByte( GL_LINES );
            e->push_back( 0 );
            e->push_back( 2 );
            e->push_back( 1 );
            e->push_back( 3 );
            g->addPrimitiveSet( e );
        }

        osg::Vec4Array* c = new osg::Vec4Array(1);
        (*c)[0] = *foreColor();
        g->setColorArray( c );
        g->setColorBinding( osg::Geometry::BIND_OVERALL );

        out.push_back( g );
    }
}

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void CheckBoxControl::fireValueChanged

(

)

[protected]

Definition at line 929 of file Controls.cpp.

{
    for( ControlEventHandlerList::const_iterator i = _eventHandlers.begin(); i != _eventHandlers.end(); ++i )
    {
        i->get()->onValueChanged( this, _value );
    }
}

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bool osgEarth::Util::Controls::CheckBoxControl::getValue

(

)

const [inline]

Definition at line 373 of file Controls.

{ return _value; }

bool CheckBoxControl::handle	(	const osgGA::GUIEventAdapter &	ea,
		osgGA::GUIActionAdapter &	aa,
		ControlContext &	cx
	)		[protected, virtual]

Reimplemented from osgEarth::Util::Controls::Control.

Definition at line 993 of file Controls.cpp.

{
    if ( ea.getEventType() == osgGA::GUIEventAdapter::PUSH )
    {
        setValue( !_value );
        return true;
    }
    return Control::handle( ea, aa, cx );
}

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void CheckBoxControl::setValue

(

bool

value

)

Definition at line 938 of file Controls.cpp.

{
    if ( value != _value )
    {
        _value = value;
        fireValueChanged();
        dirty();
    }
}

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Member Data Documentation

bool osgEarth::Util::Controls::CheckBoxControl::_value [private]

Definition at line 384 of file Controls.

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

• /home/cube/sources/osgearth/src/osgEarthUtil/Controls
• /home/cube/sources/osgearth/src/osgEarthUtil/Controls.cpp