axmol/extensions/GUI/CCControlExtension/CCControlStepper.cpp

348 lines
9.8 KiB
C++

/*
* Copyright (c) 2012 cocos2d-x.org
* http://www.cocos2d-x.org
*
* Copyright 2012 Yannick Loriot. All rights reserved.
* http://yannickloriot.com
*
* 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 falseT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND falseNINFRINGEMENT. IN false 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 "CCControlStepper.h"
NS_CC_EXT_BEGIN
#define ControlStepperLabelColorEnabled Color3B(55, 55, 55)
#define ControlStepperLabelColorDisabled Color3B(147, 147, 147)
#define ControlStepperLabelFont "CourierNewPSMT"
#define kAutorepeatDeltaTime 0.15f
#define kAutorepeatIncreaseTimeIncrement 12
ControlStepper::ControlStepper()
: _minusSprite(NULL)
, _plusSprite(NULL)
, _minusLabel(NULL)
, _plusLabel(NULL)
, _value(0.0)
, _continuous(false)
, _autorepeat(false)
, _wraps(false)
, _minimumValue(0.0)
, _maximumValue(0.0)
, _stepValue(0.0)
, _touchInsideFlag(false)
, _touchedPart(kControlStepperPartNone)
, _autorepeatCount(0)
{
}
ControlStepper::~ControlStepper()
{
unscheduleAllSelectors();
CC_SAFE_RELEASE(_minusSprite);
CC_SAFE_RELEASE(_plusSprite);
CC_SAFE_RELEASE(_minusLabel);
CC_SAFE_RELEASE(_plusLabel);
}
bool ControlStepper::initWithMinusSpriteAndPlusSprite(Sprite *minusSprite, Sprite *plusSprite)
{
if (Control::init())
{
CCAssert(minusSprite, "Minus sprite must be not nil");
CCAssert(plusSprite, "Plus sprite must be not nil");
setTouchEnabled(true);
// Set the default values
_autorepeat = true;
_continuous = true;
_minimumValue = 0;
_maximumValue = 100;
_value = 0;
_stepValue = 1;
_wraps = false;
this->ignoreAnchorPointForPosition( false );
// Add the minus components
this->setMinusSprite(minusSprite);
_minusSprite->setPosition( Point(minusSprite->getContentSize().width / 2, minusSprite->getContentSize().height / 2) );
this->addChild(_minusSprite);
this->setMinusLabel( LabelTTF::create("-", ControlStepperLabelFont, 40));
_minusLabel->setColor(ControlStepperLabelColorDisabled);
_minusLabel->setPosition(CCPointMake(_minusSprite->getContentSize().width / 2, _minusSprite->getContentSize().height / 2) );
_minusSprite->addChild(_minusLabel);
// Add the plus components
this->setPlusSprite( plusSprite );
_plusSprite->setPosition( Point(minusSprite->getContentSize().width + plusSprite->getContentSize().width / 2,
minusSprite->getContentSize().height / 2) );
this->addChild(_plusSprite);
this->setPlusLabel( LabelTTF::create("+", ControlStepperLabelFont, 40 ));
_plusLabel->setColor( ControlStepperLabelColorEnabled );
_plusLabel->setPosition( CCPointMake(_plusSprite->getContentSize().width / 2, _plusSprite->getContentSize().height / 2) );
_plusSprite->addChild(_plusLabel);
// Defines the content size
Rect maxRect = ControlUtils::RectUnion(_minusSprite->boundingBox(), _plusSprite->boundingBox());
this->setContentSize( CCSizeMake(_minusSprite->getContentSize().width + _plusSprite->getContentSize().height, maxRect.size.height) );
return true;
}
return false;
}
ControlStepper* ControlStepper::create(Sprite *minusSprite, Sprite *plusSprite)
{
ControlStepper* pRet = new ControlStepper();
if (pRet != NULL && pRet->initWithMinusSpriteAndPlusSprite(minusSprite, plusSprite))
{
pRet->autorelease();
}
else
{
CC_SAFE_DELETE(pRet);
}
return pRet;
}
//#pragma mark Properties
void ControlStepper::setWraps(bool wraps)
{
_wraps = wraps;
if (_wraps)
{
_minusLabel->setColor( ControlStepperLabelColorEnabled );
_plusLabel->setColor(ControlStepperLabelColorEnabled );
}
this->setValue( _value );
}
void ControlStepper::setMinimumValue(double minimumValue)
{
if (minimumValue >= _maximumValue)
{
CCAssert(0, "Must be numerically less than maximumValue.");
}
_minimumValue = minimumValue;
this->setValue( _value );
}
void ControlStepper::setMaximumValue(double maximumValue)
{
if (maximumValue <= _minimumValue)
{
CCAssert(0, "Must be numerically greater than minimumValue.");
}
_maximumValue = maximumValue;
this->setValue(_value);
}
void ControlStepper::setValue(double value)
{
this->setValueWithSendingEvent(value, true);
}
double ControlStepper::getValue()
{
return _value;
}
void ControlStepper::setStepValue(double stepValue)
{
if (stepValue <= 0)
{
CCAssert(0,"Must be numerically greater than 0.");
}
_stepValue = stepValue;
}
bool ControlStepper::isContinuous()
{
return _continuous;
}
//#pragma mark -
//#pragma mark ControlStepper Public Methods
void ControlStepper::setValueWithSendingEvent(double value, bool send)
{
if (value < _minimumValue)
{
value = _wraps ? _maximumValue : _minimumValue;
} else if (value > _maximumValue)
{
value = _wraps ? _minimumValue : _maximumValue;
}
_value = value;
if (!_wraps)
{
_minusLabel->setColor((value == _minimumValue) ? ControlStepperLabelColorDisabled : ControlStepperLabelColorEnabled);
_plusLabel->setColor((value == _maximumValue) ? ControlStepperLabelColorDisabled : ControlStepperLabelColorEnabled);
}
if (send)
{
this->sendActionsForControlEvents(ControlEventValueChanged);
}
}
void ControlStepper::startAutorepeat()
{
_autorepeatCount = -1;
this->schedule(schedule_selector(ControlStepper::update), kAutorepeatDeltaTime, kRepeatForever, kAutorepeatDeltaTime * 3);
}
/** Stop the autorepeat. */
void ControlStepper::stopAutorepeat()
{
this->unschedule(schedule_selector(ControlStepper::update));
}
void ControlStepper::update(float dt)
{
_autorepeatCount++;
if ((_autorepeatCount < kAutorepeatIncreaseTimeIncrement) && (_autorepeatCount % 3) != 0)
return;
if (_touchedPart == kControlStepperPartMinus)
{
this->setValueWithSendingEvent(_value - _stepValue, _continuous);
} else if (_touchedPart == kControlStepperPartPlus)
{
this->setValueWithSendingEvent(_value + _stepValue, _continuous);
}
}
//#pragma mark ControlStepper Private Methods
void ControlStepper::updateLayoutUsingTouchLocation(Point location)
{
if (location.x < _minusSprite->getContentSize().width
&& _value > _minimumValue)
{
_touchedPart = kControlStepperPartMinus;
_minusSprite->setColor(Color3B::GRAY);
_plusSprite->setColor(Color3B::WHITE);
} else if (location.x >= _minusSprite->getContentSize().width
&& _value < _maximumValue)
{
_touchedPart = kControlStepperPartPlus;
_minusSprite->setColor(Color3B::WHITE);
_plusSprite->setColor(Color3B::GRAY);
} else
{
_touchedPart = kControlStepperPartNone;
_minusSprite->setColor(Color3B::WHITE);
_plusSprite->setColor(Color3B::WHITE);
}
}
bool ControlStepper::ccTouchBegan(Touch *pTouch, Event *pEvent)
{
if (!isTouchInside(pTouch) || !isEnabled() || !isVisible())
{
return false;
}
Point location = this->getTouchLocation(pTouch);
this->updateLayoutUsingTouchLocation(location);
_touchInsideFlag = true;
if (_autorepeat)
{
this->startAutorepeat();
}
return true;
}
void ControlStepper::ccTouchMoved(Touch *pTouch, Event *pEvent)
{
if (this->isTouchInside(pTouch))
{
Point location = this->getTouchLocation(pTouch);
this->updateLayoutUsingTouchLocation(location);
if (!_touchInsideFlag)
{
_touchInsideFlag = true;
if (_autorepeat)
{
this->startAutorepeat();
}
}
} else
{
_touchInsideFlag = false;
_touchedPart = kControlStepperPartNone;
_minusSprite->setColor(Color3B::WHITE);
_plusSprite->setColor(Color3B::WHITE);
if (_autorepeat)
{
this->stopAutorepeat();
}
}
}
void ControlStepper::ccTouchEnded(Touch *pTouch, Event *pEvent)
{
_minusSprite->setColor(Color3B::WHITE);
_plusSprite->setColor(Color3B::WHITE);
if (_autorepeat)
{
this->stopAutorepeat();
}
if (this->isTouchInside(pTouch))
{
Point location = this->getTouchLocation(pTouch);
this->setValue(_value + ((location.x < _minusSprite->getContentSize().width) ? (0.0-_stepValue) : _stepValue));
}
}
NS_CC_EXT_END