void LightShow::onCreate(Widget* w) {
    static const int NORMAL_FONT_SIZE=21;
    if (w != this)
        return;

    styggShader = false;
    useWireframe = false;

    Context* context = getApplication()->getContext();
    Proxy* proxy = getApplication()->getProxy();

    scene = proxy->getSceneAsset(
         "applets/lightshow/lightshow_remake.MBA{applets/lightshow/}");
    flarePrg = proxy->getProgram(
         "applets/lightshow/flare.vert;applets/lightshow/flare.frag");
    prg_gl2 = proxy->getProgram(
         "applets/lightshow/lightshow.vert;applets/lightshow/lightshow.frag");
    prg_gl1 = proxy->getProgram(
          "applets/lightshow/lightshow_gl1.vert;applets/lightshow/lightshow_gl1.frag");

    prepareFlares(context, flarePrg);

    camNode = (NodeAsset*) scene->getAsset(Asset::TYPE_NODE, "Camera01-node");
    targetNode = (NodeAsset*) scene->getAsset(Asset::TYPE_NODE,
                      "Camera01.Target-node");
    light0Node = (NodeAsset*) scene->getAsset(Asset::TYPE_NODE, "Omni01-node");
    light1Node = (NodeAsset*) scene->getAsset(Asset::TYPE_NODE, "Omni02-node");

    flareTex = proxy->getTexture2D("applets/lightshow/flare.png");
    time = 0;

    wg = createWidgetGroup("lightshow_wg");

    // add the user controls to switch between shading effects
    panel = wg->createPanel(this);
    panel->setSize(MDE::vec2i(180, 200));
    panel->setPosition(MDE::vec2i(0, 0));

    settingsGlLbl = wg->createCustomLabel(this);
    settingsGlLbl->build(NORMAL_FONT_SIZE, 16);
    settingsGlLbl->setPosition(vec2i(10, 0));
    settingsGlLbl->setColor(vec4(1.f, 1.f, 1.f, 1.f));
    settingsGlLbl->setTextAlign(TEXT_ALIGN_LEFT | TEXT_ALIGN_TOP);
    settingsGlLbl->setText("GL Version");

    gl11Chk = wg->createRadioButton(this);
    gl11Chk->setText("GLES 1.1");
    gl11Chk->setPosition(vec2i(10, 25));

    gl20Chk = wg->createRadioButton(this);
    gl20Chk->setText("GLES 2.0");
    gl20Chk->setPosition(vec2i(10, 50));

    glVersion = new RadioButtonGroup();
    glVersion->add(gl11Chk);
    glVersion->add(gl20Chk);

    renderLbl = wg->createCustomLabel(this);
    renderLbl->build(NORMAL_FONT_SIZE, 16);
    renderLbl->setPosition(vec2i(10, 90));
    renderLbl->setColor(vec4(1.f, 1.f, 1.f, 1.f));
    renderLbl->setTextAlign(TEXT_ALIGN_LEFT | TEXT_ALIGN_TOP);
    renderLbl->setText("Rendermode");

    solidChk = wg->createRadioButton(this);
    solidChk->setText("Solid");
    solidChk->setPosition(vec2i(10, 115));

    wireframeChk = wg->createRadioButton(this);
    wireframeChk->setText("Wireframe");
    wireframeChk->setPosition(vec2i(10, 140));

    renderMode = new RadioButtonGroup();
    renderMode->add(solidChk);
    renderMode->add(wireframeChk);

    exitButton = wg->createExitButton(this);
    exitButton->setPosition(MDE::vec2i(130, 150));

    solidChk->check();
    gl20Chk->check();

    setPosition(MDE::vec2i(0, 0));
    setSize(MDE::vec2i(800, 480));
}

void LightShow::onValueChanged(Widget* w) {
    useWireframe = wireframeChk->isChecked();
    styggShader = gl11Chk->isChecked();
}