mirror of https://github.com/axmolengine/axmol.git
80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
#ifndef __UIEVENTDISPATCHER_H__
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#define __UIEVENTDISPATCHER_H__
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#include "FairyGUIMacros.h"
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#include "cocos2d.h"
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#include "EventContext.h"
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#include "UIEventType.h"
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NS_FGUI_BEGIN
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typedef std::function<void(EventContext* context)> EventCallback;
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class EventTag
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{
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public:
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static const EventTag None;
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EventTag();
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explicit EventTag(void* ptr);
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explicit EventTag(int value);
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explicit EventTag(const EventTag& other);
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explicit EventTag(EventTag&& other);
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~EventTag();
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EventTag& operator= (const EventTag& other);
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EventTag& operator= (EventTag&& other);
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EventTag& operator= (void* ptr);
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EventTag& operator= (int v);
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bool operator!= (const EventTag& v);
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bool operator!= (const EventTag& v) const;
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bool operator== (const EventTag& v);
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bool operator== (const EventTag& v) const;
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bool isNone() const { return _value == 0; }
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private:
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uintptr_t _value;
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};
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class InputProcessor;
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class UIEventDispatcher : public cocos2d::Ref
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{
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public:
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UIEventDispatcher();
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virtual ~UIEventDispatcher();
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void addEventListener(int eventType, const EventCallback& callback) { return addEventListener(eventType, callback, EventTag::None); }
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void addEventListener(int eventType, const EventCallback& callback, const EventTag& tag);
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void removeEventListener(int eventType) { removeEventListener(eventType, EventTag::None); }
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void removeEventListener(int eventType, const EventTag& tag);
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void removeEventListeners();
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bool hasEventListener(int eventType) const { return hasEventListener(eventType, EventTag::None); }
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bool hasEventListener(int eventType, const EventTag& tag) const;
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bool dispatchEvent(int eventType, void* data = nullptr, const cocos2d::Value& dataValue = cocos2d::Value::Null);
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bool bubbleEvent(int eventType, void* data = nullptr, const cocos2d::Value& dataValue = cocos2d::Value::Null);
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bool isDispatchingEvent(int eventType);
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private:
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void doDispatch(int eventType, EventContext* context);
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void doBubble(int eventType, EventContext* context);
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struct EventCallbackItem
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{
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EventCallback callback;
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int eventType;
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EventTag tag;
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int dispatching;
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};
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std::vector<EventCallbackItem*> _callbacks;
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int _dispatching;
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};
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NS_FGUI_END
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#endif
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