axmol/samples/Cpp/TestCpp/Classes/ExtensionsTest/ControlExtensionTest/CCControlPotentiometerTest/CCControlPotentiometerTest.cpp

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/*
* Copyright (c) 2012 cocos2d-x.org
* Copyright (c) 2012 Yannick Loriot
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "CCControlPotentiometerTest.h"
ControlPotentiometerTest::ControlPotentiometerTest()
: _displayValueLabel(NULL)
{
}
ControlPotentiometerTest::~ControlPotentiometerTest()
{
CC_SAFE_RELEASE(_displayValueLabel);
}
bool ControlPotentiometerTest::init()
{
if (ControlScene::init())
{
Size screenSize = Director::sharedDirector()->getWinSize();
Node *layer = Node::create();
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layer->setPosition(Point(screenSize.width / 2, screenSize.height / 2));
this->addChild(layer, 1);
double layer_width = 0;
// Add the black background for the text
Scale9Sprite *background = Scale9Sprite::create("extensions/buttonBackground.png");
background->setContentSize(CCSizeMake(80, 50));
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background->setPosition(Point(layer_width + background->getContentSize().width / 2.0f, 0));
layer->addChild(background);
layer_width += background->getContentSize().width;
this->setDisplayValueLabel(LabelTTF::create("", "HelveticaNeue-Bold", 30));
_displayValueLabel->setPosition(background->getPosition());
layer->addChild(_displayValueLabel);
// Add the slider
ControlPotentiometer *potentiometer = ControlPotentiometer::create("extensions/potentiometerTrack.png"
,"extensions/potentiometerProgress.png"
,"extensions/potentiometerButton.png");
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potentiometer->setPosition(Point(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(ControlPotentiometerTest::valueChanged), ControlEventValueChanged);
layer->addChild(potentiometer);
layer_width += potentiometer->getContentSize().width;
// Set the layer size
layer->setContentSize(CCSizeMake(layer_width, 0));
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layer->setAnchorPoint(Point(0.5f, 0.5f));
// Update the value label
this->valueChanged(potentiometer, ControlEventValueChanged);
return true;
}
return false;
}
void ControlPotentiometerTest::valueChanged(Object *sender, ControlEvent controlEvent)
{
ControlPotentiometer* pControl = (ControlPotentiometer*)sender;
// Change value of label.
_displayValueLabel->setString(String::createWithFormat("%.02f", pControl->getValue())->getCString());
}