bool CCControlPotentiometerTest::init()
{
if (CCControlScene::init())
{
CCSize screenSize = CCDirector::sharedDirector()->getWinSize();
CCNode *layer = CCNode::create();
layer->setPosition(ccp (screenSize.width / 2, screenSize.height / 2));
this->addChild(layer, 1);
double layer_width = 0;
// Add the black background for the text
CCScale9Sprite *background = CCScale9Sprite::create("extensions/buttonBackground.png");
background->setContentSize(CCSizeMake(80, 50));
background->setPosition(ccp(layer_width + background->getContentSize().width / 2.0f, 0));
layer->addChild(background);
layer_width += background->getContentSize().width;
this->setDisplayValueLabel(CCLabelTTF::create("", "HelveticaNeue-Bold", 30));
m_pDisplayValueLabel->setPosition(background->getPosition());
layer->addChild(m_pDisplayValueLabel);
// Add the slider
CCControlPotentiometer *potentiometer = CCControlPotentiometer::create("extensions/potentiometerTrack.png"
,"extensions/potentiometerProgress.png"
,"extensions/potentiometerButton.png");
potentiometer->setPosition(ccp (layer_width + 10 + potentiometer->getContentSize().width / 2, 0));
// When the value of the slider will change, the given selector will be call
potentiometer->addTargetWithActionForControlEvents(this, cccontrol_selector(CCControlPotentiometerTest::valueChanged), CCControlEventValueChanged);
layer->addChild(potentiometer);
layer_width += potentiometer->getContentSize().width;
// Set the layer size
layer->setContentSize(CCSizeMake(layer_width, 0));
layer->setAnchorPoint(ccp (0.5f, 0.5f));
// Update the value label
this->valueChanged(potentiometer, CCControlEventValueChanged);
return true;
}
return false;
}
