mirror of https://github.com/axmolengine/axmol.git
324 lines
10 KiB
C++
324 lines
10 KiB
C++
/*
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* Copyright (c) 2012 cocos2d-x.org
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* http://www.cocos2d-x.org
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*
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* Copyright 2011 Yannick Loriot.
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* http://yannickloriot.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* Converted to c++ / cocos2d-x by Angus C
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*
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*/
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#include "CCControlSlider.h"
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#include "CCTouch.h"
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#include "CCDirector.h"
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NS_CC_EXT_BEGIN
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ControlSlider::ControlSlider()
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: _value(0.0f)
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, _minimumValue(0.0f)
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, _maximumValue(0.0f)
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, _minimumAllowedValue(0.0f)
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, _maximumAllowedValue(0.0f)
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, _thumbSprite(nullptr)
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, _selectedThumbSprite(nullptr)
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, _progressSprite(nullptr)
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, _backgroundSprite(nullptr)
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{
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}
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ControlSlider::~ControlSlider()
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{
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CC_SAFE_RELEASE(_thumbSprite);
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CC_SAFE_RELEASE(_selectedThumbSprite);
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CC_SAFE_RELEASE(_progressSprite);
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CC_SAFE_RELEASE(_backgroundSprite);
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}
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ControlSlider* ControlSlider::create(const char* bgFile, const char* progressFile, const char* thumbFile)
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{
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// Prepare background for slider
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Sprite *backgroundSprite = Sprite::create(bgFile);
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// Prepare progress for slider
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Sprite *progressSprite = Sprite::create(progressFile);
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// Prepare thumb (menuItem) for slider
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Sprite *thumbSprite = Sprite::create(thumbFile);
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return ControlSlider::create(backgroundSprite, progressSprite, thumbSprite);
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}
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ControlSlider* ControlSlider::create(const char* bgFile, const char* progressFile, const char* thumbFile,
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const char* selectedThumbSpriteFile)
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{
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// Prepare background for slider
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Sprite *backgroundSprite = Sprite::create(bgFile);
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// Prepare progress for slider
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Sprite *progressSprite = Sprite::create(progressFile);
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// Prepare thumb (menuItem) for slider
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Sprite *thumbSprite = Sprite::create(thumbFile);
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// Prepare selected thumb (menuItem) for slider
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Sprite *selectedThumbSprite = Sprite::create(selectedThumbSpriteFile);
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return ControlSlider::create(backgroundSprite, progressSprite, thumbSprite, selectedThumbSprite);
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}
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ControlSlider* ControlSlider::create(Sprite * backgroundSprite, Sprite* pogressSprite, Sprite* thumbSprite)
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{
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ControlSlider *pRet = new ControlSlider();
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pRet->initWithSprites(backgroundSprite, pogressSprite, thumbSprite);
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pRet->autorelease();
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return pRet;
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}
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ControlSlider* ControlSlider::create(Sprite * backgroundSprite, Sprite* pogressSprite, Sprite* thumbSprite,
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Sprite* selectedThumbSprite)
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{
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ControlSlider *pRet = new ControlSlider();
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pRet->initWithSprites(backgroundSprite, pogressSprite, thumbSprite, selectedThumbSprite);
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pRet->autorelease();
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return pRet;
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}
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bool ControlSlider::initWithSprites(Sprite * backgroundSprite, Sprite* progressSprite, Sprite* thumbSprite)
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{
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Sprite* selectedThumbSprite = Sprite::createWithTexture(thumbSprite->getTexture(),
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thumbSprite->getTextureRect());
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selectedThumbSprite->setColor(Color3B::GRAY);
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return this->initWithSprites(backgroundSprite, progressSprite, thumbSprite, selectedThumbSprite);
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}
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bool ControlSlider::initWithSprites(Sprite * backgroundSprite, Sprite* progressSprite, Sprite* thumbSprite,
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Sprite* selectedThumbSprite)
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{
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if (Control::init())
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{
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CCASSERT(backgroundSprite, "Background sprite must be not nil");
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CCASSERT(progressSprite, "Progress sprite must be not nil");
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CCASSERT(thumbSprite, "Thumb sprite must be not nil");
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CCASSERT(selectedThumbSprite, "Thumb sprite must be not nil");
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ignoreAnchorPointForPosition(false);
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this->setBackgroundSprite(backgroundSprite);
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this->setProgressSprite(progressSprite);
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this->setThumbSprite(thumbSprite);
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this->setSelectedThumbSprite(selectedThumbSprite);
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// Defines the content size
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Rect maxRect = ControlUtils::RectUnion(backgroundSprite->getBoundingBox(), thumbSprite->getBoundingBox());
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setContentSize(Size(maxRect.size.width, maxRect.size.height));
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// Add the slider background
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_backgroundSprite->setAnchorPoint(Vector2(0.5f, 0.5f));
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_backgroundSprite->setPosition(Vector2(this->getContentSize().width / 2, this->getContentSize().height / 2));
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addChild(_backgroundSprite);
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// Add the progress bar
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_progressSprite->setAnchorPoint(Vector2(0.0f, 0.5f));
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_progressSprite->setPosition(Vector2(0.0f, this->getContentSize().height / 2));
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addChild(_progressSprite);
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// Add the slider thumb
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_thumbSprite->setPosition(Vector2(0.0f, this->getContentSize().height / 2));
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addChild(_thumbSprite);
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_selectedThumbSprite->setPosition(Vector2(0.0f, this->getContentSize().height / 2));
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_selectedThumbSprite->setVisible(false);
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addChild(_selectedThumbSprite);
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// Init default values
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_minimumValue = 0.0f;
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_maximumValue = 1.0f;
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setValue(_minimumValue);
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return true;
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}
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else
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{
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return false;
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}
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}
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void ControlSlider::setEnabled(bool enabled)
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{
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Control::setEnabled(enabled);
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if (_thumbSprite != NULL)
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{
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_thumbSprite->setOpacity((enabled) ? 255 : 128);
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}
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}
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void ControlSlider::setValue(float value)
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{
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// set new value with sentinel
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if (value < _minimumValue)
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{
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value = _minimumValue;
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}
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if (value > _maximumValue)
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{
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value = _maximumValue;
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}
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_value = value;
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this->needsLayout();
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this->sendActionsForControlEvents(Control::EventType::VALUE_CHANGED);
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}
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void ControlSlider::setMinimumValue(float minimumValue)
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{
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_minimumValue=minimumValue;
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_minimumAllowedValue = minimumValue;
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if (_minimumValue >= _maximumValue)
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{
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_maximumValue = _minimumValue + 1.0f;
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}
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setValue(_value);
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}
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void ControlSlider::setMaximumValue(float maximumValue)
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{
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_maximumValue=maximumValue;
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_maximumAllowedValue = maximumValue;
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if (_maximumValue <= _minimumValue)
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{
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_minimumValue = _maximumValue - 1.0f;
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}
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setValue(_value);
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}
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bool ControlSlider::isTouchInside(Touch * touch)
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{
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Vector2 touchLocation = touch->getLocation();
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touchLocation = this->getParent()->convertToNodeSpace(touchLocation);
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Rect rect = this->getBoundingBox();
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rect.size.width += _thumbSprite->getContentSize().width;
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rect.origin.x -= _thumbSprite->getContentSize().width / 2;
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return rect.containsPoint(touchLocation);
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}
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Vector2 ControlSlider::locationFromTouch(Touch* touch)
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{
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Vector2 touchLocation = touch->getLocation(); // Get the touch position
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touchLocation = this->convertToNodeSpace(touchLocation); // Convert to the node space of this class
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if (touchLocation.x < 0)
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{
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touchLocation.x = 0;
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} else if (touchLocation.x > _backgroundSprite->getContentSize().width)
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{
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touchLocation.x = _backgroundSprite->getContentSize().width;
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}
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return touchLocation;
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}
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bool ControlSlider::onTouchBegan(Touch* touch, Event* pEvent)
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{
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if (!isTouchInside(touch) || !isEnabled() || !isVisible())
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{
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return false;
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}
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Vector2 location = locationFromTouch(touch);
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sliderBegan(location);
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return true;
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}
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void ControlSlider::onTouchMoved(Touch *pTouch, Event *pEvent)
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{
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Vector2 location = locationFromTouch(pTouch);
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sliderMoved(location);
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}
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void ControlSlider::onTouchEnded(Touch *pTouch, Event *pEvent)
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{
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sliderEnded(Vector2::ZERO);
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}
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void ControlSlider::needsLayout()
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{
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if (NULL == _thumbSprite || NULL == _selectedThumbSprite || NULL == _backgroundSprite
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|| NULL == _progressSprite)
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{
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return;
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}
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// Update thumb position for new value
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float percent = (_value - _minimumValue) / (_maximumValue - _minimumValue);
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Vector2 pos = _thumbSprite->getPosition();
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pos.x = percent * _backgroundSprite->getContentSize().width;
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_thumbSprite->setPosition(pos);
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_selectedThumbSprite->setPosition(pos);
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// Stretches content proportional to newLevel
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Rect textureRect = _progressSprite->getTextureRect();
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textureRect = Rect(textureRect.origin.x, textureRect.origin.y, pos.x, textureRect.size.height);
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_progressSprite->setTextureRect(textureRect, _progressSprite->isTextureRectRotated(), textureRect.size);
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}
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void ControlSlider::sliderBegan(Vector2 location)
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{
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this->setSelected(true);
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_thumbSprite->setVisible(false);
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_selectedThumbSprite->setVisible(true);
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setValue(valueForLocation(location));
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}
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void ControlSlider::sliderMoved(Vector2 location)
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{
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setValue(valueForLocation(location));
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}
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void ControlSlider::sliderEnded(Vector2 location)
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{
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if (this->isSelected())
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{
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setValue(valueForLocation(_thumbSprite->getPosition()));
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}
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_thumbSprite->setVisible(true);
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_selectedThumbSprite->setVisible(false);
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this->setSelected(false);
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}
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float ControlSlider::valueForLocation(Vector2 location)
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{
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float percent = location.x/ _backgroundSprite->getContentSize().width;
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return MAX(MIN(_minimumValue + percent * (_maximumValue - _minimumValue), _maximumAllowedValue), _minimumAllowedValue);
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}
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NS_CC_EXT_END
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