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Merge pull request #12352 from andyque/add-two-events-to-ui-slider 

Improve ui::Slider
This commit is contained in:
子龙山人 2015-06-29 17:01:27 +08:00
parent aa86ed9a04 b8826d9de4
commit c997284825
4 changed files with 127 additions and 15 deletions
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30
cocos/ui/UISlider.cpp
View File

@ -48,6 +48,7 @@ _slidBallDisabledRenderer(nullptr),
_slidBallRenderer(nullptr),
_barLength(0.0),
_percent(0),
_maxPercent(100),
_scale9Enabled(false),
_prevIgnoreSize(true),
_zoomScale(0.1f),
@ -384,18 +385,28 @@ void Slider::loadSlidBallTextureDisabled(SpriteFrame* spriteframe)
this->updateChildrenDisplayedRGBA();
}
void Slider::setMaxPercent(int percent)
{
_maxPercent = percent;
}
int Slider::getMaxPercent()const
{
return _maxPercent;
}
void Slider::setPercent(int percent)
{
if (percent > 100)
if (percent > _maxPercent)
{
percent = 100;
percent = _maxPercent;
}
if (percent < 0)
{
percent = 0;
}
_percent = percent;
float res = percent / 100.0f;
float res = 1.0 * percent / _maxPercent;
float dis = _barLength * res;
_slidBallRenderer->setPosition(dis, _contentSize.height / 2.0f);
if (_scale9Enabled)
@ -433,7 +444,7 @@ bool Slider::onTouchBegan(Touch *touch, Event *unusedEvent)
{
Vec2 nsp = convertToNodeSpace(_touchBeganPosition);
setPercent(getPercentWithBallPos(nsp.x));
percentChangedEvent();
percentChangedEvent(EventType::ON_SLIDEBALL_DOWN);
}
return pass;
}
@ -443,22 +454,24 @@ void Slider::onTouchMoved(Touch *touch, Event *unusedEvent)
_touchMovePosition = touch->getLocation();
Vec2 nsp = convertToNodeSpace(_touchMovePosition);
setPercent(getPercentWithBallPos(nsp.x));
percentChangedEvent();
percentChangedEvent(EventType::ON_PERCENTAGE_CHANGED);
}
void Slider::onTouchEnded(Touch *touch, Event *unusedEvent)
{
Widget::onTouchEnded(touch, unusedEvent);
percentChangedEvent(EventType::ON_SLIDEBALL_UP);
}
void Slider::onTouchCancelled(Touch *touch, Event *unusedEvent)
{
Widget::onTouchCancelled(touch, unusedEvent);
percentChangedEvent(EventType::ON_SLIDEBALL_CANCEL);
}
float Slider::getPercentWithBallPos(float px)const
{
return ((px/_barLength)*100.0f);
return ((px/_barLength) * static_cast<float>(_maxPercent));
}
void Slider::addEventListenerSlider(Ref *target, SEL_SlidPercentChangedEvent selector)
@ -472,7 +485,7 @@ void Slider::addEventListener(const ccSliderCallback& callback)
_eventCallback = callback;
}
void Slider::percentChangedEvent()
void Slider::percentChangedEvent(EventType event)
{
this->retain();
if (_sliderEventListener && _sliderEventSelector)
@ -481,7 +494,7 @@ void Slider::percentChangedEvent()
}
if (_eventCallback)
{
_eventCallback(this, EventType::ON_PERCENTAGE_CHANGED);
_eventCallback(this,event);
}
if (_ccEventCallback)
{
@ -695,6 +708,7 @@ void Slider::copySpecialProperties(Widget *widget)
loadSlidBallTexturePressed(slider->_slidBallPressedRenderer->getSpriteFrame());
loadSlidBallTextureDisabled(slider->_slidBallDisabledRenderer->getSpriteFrame());
setPercent(slider->getPercent());
setMaxPercent(slider->getMaxPercent());
_isSliderBallPressedTextureLoaded = slider->_isSliderBallPressedTextureLoaded;
_isSliderBallDisabledTexturedLoaded = slider->_isSliderBallDisabledTexturedLoaded;
_sliderEventListener = slider->_sliderEventListener;

24
cocos/ui/UISlider.h
View File

@ -61,7 +61,11 @@ public:
*/
enum class EventType
{
ON_PERCENTAGE_CHANGED
ON_PERCENTAGE_CHANGED,
//@since v3.7
ON_SLIDEBALL_DOWN,
ON_SLIDEBALL_UP,
ON_SLIDEBALL_CANCEL
};
typedef std::function<void(Ref*,EventType)> ccSliderCallback;
/**
@ -205,6 +209,21 @@ public:
*/
int getPercent()const;
/**
* Set a large value could give more control to the precision.
* @since v3.7
* @param percent The max percent of Slider.
*/
void setMaxPercent(int percent);
/**
* Query the maximum percent of Slider. The default value is 100.
* @since v3.7
* @return The maximum percent of the Slider.
*/
int getMaxPercent()const;
CC_DEPRECATED_ATTRIBUTE void addEventListenerSlider(Ref* target,SEL_SlidPercentChangedEvent selector);
/**
* Add call back function called when slider's percent has changed to slider.
@ -252,7 +271,7 @@ CC_CONSTRUCTOR_ACCESS:
protected:
virtual void initRenderer() override;
float getPercentWithBallPos(float location)const;
void percentChangedEvent();
void percentChangedEvent(EventType event);
virtual void onPressStateChangedToNormal() override;
virtual void onPressStateChangedToPressed() override;
virtual void onPressStateChangedToDisabled() override;
@ -284,6 +303,7 @@ protected:
float _barLength;
int _percent;
int _maxPercent;
bool _scale9Enabled;
bool _prevIgnoreSize;

72
tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UISliderTest/UISliderTest.cpp
View File

@ -10,6 +10,7 @@ UISliderTests::UISliderTests()
ADD_TEST_CASE(UISliderTest_Scale9_State_Change);
ADD_TEST_CASE(UISliderNormalDefaultTest);
ADD_TEST_CASE(UISliderDisabledDefaultTest);
ADD_TEST_CASE(UISliderNewEventCallbackTest);
}
// UISliderTest
@ -47,6 +48,7 @@ bool UISliderTest::init()
slider->loadBarTexture("cocosui/sliderTrack.png");
slider->loadSlidBallTextures("cocosui/sliderThumb.png", "cocosui/sliderThumb.png", "");
slider->loadProgressBarTexture("cocosui/sliderProgress.png");
slider->setMaxPercent(10000);
slider->setPosition(Vec2(widgetSize.width / 2.0f, widgetSize.height / 2.0f/* + slider->getSize().height * 2.0f*/));
slider->addEventListener(CC_CALLBACK_2(UISliderTest::sliderEvent, this));
_uiLayer->addChild(slider);
@ -63,7 +65,8 @@ void UISliderTest::sliderEvent(Ref *pSender, Slider::EventType type)
{
Slider* slider = dynamic_cast<Slider*>(pSender);
int percent = slider->getPercent();
_displayValueLabel->setString(String::createWithFormat("Percent %d", percent)->getCString());
int maxPercent = slider->getMaxPercent();
_displayValueLabel->setString(StringUtils::format("Percent %f", 10000.0 * percent / maxPercent));
}
}
@ -121,7 +124,7 @@ void UISliderTest_Scale9::sliderEvent(Ref *pSender, Slider::EventType type)
{
Slider* slider = dynamic_cast<Slider*>(pSender);
int percent = slider->getPercent();
_displayValueLabel->setString(String::createWithFormat("Percent %d", percent)->getCString());
_displayValueLabel->setString(StringUtils::format("Percent %d", percent));
}
}
@ -189,7 +192,7 @@ void UISliderTest_Scale9_State_Change::sliderEvent(Ref *pSender, Slider::EventTy
{
Slider* slider = dynamic_cast<Slider*>(pSender);
int percent = slider->getPercent();
_displayValueLabel->setString(String::createWithFormat("Percent %d", percent)->getCString());
_displayValueLabel->setString(StringUtils::format("Percent %d", percent));
}
}
@ -303,3 +306,66 @@ bool UISliderDisabledDefaultTest::init()
}
// UISliderNewEventCallbackTest
UISliderNewEventCallbackTest::UISliderNewEventCallbackTest()
: _displayValueLabel(nullptr)
{
}
UISliderNewEventCallbackTest::~UISliderNewEventCallbackTest()
{
}
bool UISliderNewEventCallbackTest::init()
{
if (UIScene::init())
{
Size widgetSize = _widget->getContentSize();
// Add a label in which the slider alert will be displayed
_displayValueLabel = Text::create("","Arial",32);
_displayValueLabel->setAnchorPoint(Vec2(0.5f, -1));
_displayValueLabel->setPosition(Vec2(widgetSize.width / 2.0f, widgetSize.height / 2.0f + 100));
_uiLayer->addChild(_displayValueLabel);
// Add the alert
Text* alert = Text::create("See console ouput for Slider Down and Up event.","fonts/Marker Felt.ttf",20);
alert->setColor(Color3B(159, 168, 176));
alert->setPosition(Vec2(widgetSize.width / 2.0f,
widgetSize.height / 2.0f - alert->getContentSize().height * 3.75f));
_uiLayer->addChild(alert);
// Create the slider
Slider* slider = Slider::create();
slider->loadBarTexture("cocosui/sliderTrack.png");
slider->loadSlidBallTextures("cocosui/sliderThumb.png", "cocosui/sliderThumb.png", "");
slider->loadProgressBarTexture("cocosui/sliderProgress.png");
slider->setMaxPercent(1000);
slider->setPosition(Vec2(widgetSize.width / 2.0f,
widgetSize.height / 2.0f + 50));
slider->addEventListener([=](Ref* widget,Slider::EventType type)
{
Slider* slider = (Slider*)widget;
if(type == Slider::EventType::ON_SLIDEBALL_DOWN)
{
CCLOG("slider button pressed!");
}
else if(type == Slider::EventType::ON_PERCENTAGE_CHANGED)
{
CCLOG("slider is moving! percent = %f", 100.0f * slider->getPercent() / slider->getMaxPercent() );
}
else if(type == Slider::EventType::ON_SLIDEBALL_UP)
{
CCLOG("slider button is released.");
}
});
_uiLayer->addChild(slider);
return true;
}
return false;
}

12
tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UISliderTest/UISliderTest.h
View File

@ -98,4 +98,16 @@ protected:
cocos2d::ui::Text* _displayValueLabel;
};
class UISliderNewEventCallbackTest : public UIScene
{
public:
CREATE_FUNC(UISliderNewEventCallbackTest);
UISliderNewEventCallbackTest();
~UISliderNewEventCallbackTest();
virtual bool init() override;
protected:
cocos2d::ui::Text* _displayValueLabel;
};
#endif /* defined(__TestCpp__UISliderTest__) */