void
createControls( ControlCanvas* cs )
{
// a container centered on the screen, containing an image and a text label.
{
VBox* center = new VBox();
center->setFrame( new RoundedFrame() );
center->getFrame()->setBackColor( 1,1,1,0.5 );
center->setPadding( 10 );
center->setHorizAlign( Control::ALIGN_CENTER );
center->setVertAlign( Control::ALIGN_CENTER );
// Add an image:
osg::Image* image = osgDB::readImageFile( "http://osgearth.org/chrome/site/osgearth.gif" );
if ( image ) {
ImageControl* imageCon = new ImageControl( image );
imageCon->setHorizAlign( Control::ALIGN_CENTER );
imageCon->setFixSizeForRotation( true );
imageCon->addEventHandler( new ImageRotationHandler );
center->addControl( imageCon );
center->setHorizAlign( Control::ALIGN_CENTER );
}
// Add a text label:
LabelControl* label = new LabelControl( "osgEarth Controls Toolkit" );
label->setFont( osgText::readFontFile( "arialbd.ttf" ) );
label->setFontSize( 24.0f );
label->setHorizAlign( Control::ALIGN_CENTER );
label->setMargin( 5 );
center->addControl( label );
// Add another
LabelControl* label2 = new LabelControl( "(Click the osgEarth logo to rotate it)" );
label2->setHorizAlign( Control::ALIGN_CENTER );
center->addControl( label2 );
cs->addControl( center );
}
// a simple vbox with absolute positioning in the upper left with two text labels.
{
VBox* ul = new VBox();
ul->setFrame( new Frame() );
ul->setPosition( 20, 20 );
ul->setPadding( 10 );
{
LabelControl* title = new LabelControl( "Upper left control", 22, osg::Vec4f(1,1,0,1) );
ul->addControl( title );
LabelControl* content = new LabelControl( "Here is some text in the upper left control" );
ul->addControl( content );
HBox* c2 = new HBox();
c2->setSpacing( 10 );
{
HSliderControl* slider = new HSliderControl( 0, 100 );
slider->setBackColor( .6,0,0,1 );
slider->setHeight( 25 );
slider->setWidth( 300 );
slider->addEventHandler( new MySliderHandler() );
c2->addControl( slider );
s_sliderLabel = new LabelControl();
s_sliderLabel->setVertAlign( Control::ALIGN_CENTER );
c2->addControl( s_sliderLabel );
}
ul->addControl( c2 );
HBox* c3 = new HBox();
c3->setHorizAlign( Control::ALIGN_CENTER );
c3->setSpacing( 10 );
{
HBox* c4 = new HBox();
c4->setSpacing( 5 );
{
c4->addControl( new CheckBoxControl( true ) );
c4->addControl( new LabelControl( "Checkbox 1" ) );
}
c3->addControl( c4 );
HBox* c5 = new HBox();
c5->setSpacing( 5 );
{
c5->addControl( new CheckBoxControl( false ) );
c5->addControl( new LabelControl( "Checkbox 2" ) );
}
c3->addControl( c5 );
}
ul->addControl( c3 );
}
cs->addControl( ul );
ul->addEventHandler( new MyClickHandler );
}
// a centered hbox container along the bottom on the screen.
{
HBox* bottom = new HBox();
bottom->setFrame( new RoundedFrame() );
bottom->getFrame()->setBackColor(0,0,0,0.5);
bottom->setMargin( 10 );
bottom->setSpacing( 145 );
bottom->setVertAlign( Control::ALIGN_BOTTOM );
bottom->setHorizAlign( Control::ALIGN_CENTER );
for( int i=0; i<4; ++i )
{
LabelControl* label = new LabelControl();
std::stringstream buf;
buf << "Label_" << i;
label->setText( buf.str() );
label->setMargin( 10 );
label->setBackColor( 1,1,1,0.4 );
bottom->addControl( label );
label->setActiveColor(1,.3,.3,1);
label->addEventHandler( new MyClickHandler );
}
cs->addControl( bottom );
}
}
