CAResponder

CAResponder Detailed Description

Class Description

It’s the superclass of all objects displayed on screen and defines the interface of response touch event.

Base Class

CAObject

Method

Access modifier	Method name	Description
public	isFirstResponder	Caller is first responder or not
public	resignFirstResponder	Resign caller’s first responder status
public	becomeFirstResponder	Inform caller that it becomes the first responder of current window
public	nextResponder	Return object of next receiving event
public	ccTouchBegan	Call when touch is begun
public	ccTouchMoved	Call when touch is moved
public	ccTouchEnded	Call when touch is ended
public	ccTouchCancelled	Call when touch is cancelled

Method Description

bool isFirstResponder()

Return value: bool
Description: return a bool value to judge current object is first responder or not.

virtual bool resignFirstResponder()
Return value: bool
Description: resign call object’s first responder status at current window.

virtual bool becomeFirstResponder()
Return value: bool
Description: set caller as first responder and return a bool value to judge if set is successful or not. The object that was set as first responder can receive touch event of all view.

virtual CAResponder nextResponder()*
Return value: bool
Description: return object of next receiving event, and return NULL if there is no event.

virtual bool ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
Return value: bool
Parameter:

Type	Parameter name	Description
CCTouch*	pTouch	Object that touch transfers
CCEvent*	pEvent	*this parameter is undetermined

virtual void ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent)
Return value: void

Type	Parameter name	Description
CCTouch*	pTouch	Object that touch transfers
CCEvent*	pEvent	*this parameter is undetermined

virtual void ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent)
Return value: void

Type	Parameter name	Description
CCTouch*	pTouch	Object that touch transfers
CCEvent*	pEvent	*this parameter is undetermined

virtual void ccTouchCancelled(CCTouch *pTouch, CCEvent *pEvent)
Return value: void

Type	Parameter name	Description
CCTouch*	pTouch	Object that touch transfers
CCEvent*	pEvent	*this parameter is undetermined