CCControlExtension/CCControl
#ifndef __CCCONTROL_H__
#define __CCCONTROL_H__
#include "CCInvocation.h"
#include "CCControlUtils.h"
#include "cocos2d.h"
NS_CC_EXT_BEGIN
class CCInvocation;
/**
* @addtogroup GUI
* @{
* @addtogroup control_extension
* @{
*/
/** Number of kinds of control event. */
#define kControlEventTotalNumber 9
/** Kinds of possible events for the control objects. */
enum
{
CCControlEventTouchDown = 1 << 0, // A touch-down event in the control.
CCControlEventTouchDragInside = 1 << 1, // An event where a finger is dragged inside the bounds of the control.
CCControlEventTouchDragOutside = 1 << 2, // An event where a finger is dragged just outside the bounds of the control.
CCControlEventTouchDragEnter = 1 << 3, // An event where a finger is dragged into the bounds of the control.
CCControlEventTouchDragExit = 1 << 4, // An event where a finger is dragged from within a control to outside its bounds.
CCControlEventTouchUpInside = 1 << 5, // A touch-up event in the control where the finger is inside the bounds of the control.
CCControlEventTouchUpOutside = 1 << 6, // A touch-up event in the control where the finger is outside the bounds of the control.
CCControlEventTouchCancel = 1 << 7, // A system event canceling the current touches for the control.
CCControlEventValueChanged = 1 << 8 // A touch dragging or otherwise manipulating a control, causing it to emit a series of different
values.
};
typedef unsigned int CCControlEvent;
/** The possible state for a control. */
enum
{
CCControlStateNormal = 1 << 0, // The normal, or default state of a control°™that is, enabled but neither selected nor highlighted.
CCControlStateHighlighted = 1 << 1, // Highlighted state of a control. A control enters this state when a touch down, drag inside or drag enter
is performed. You can retrieve and set this value through the highlighted property.
CCControlStateDisabled = 1 << 2, // Disabled state of a control. This state indicates that the control is currently disabled. You can retrieve
and set this value through the enabled property.
CCControlStateSelected = 1 << 3 // Selected state of a control. This state indicates that the control is currently selected. You can retrieve
and set this value through the selected property.
};
typedef unsigned int CCControlState;
/*
* @class
* CCControl is inspired by the UIControl API class from the UIKit library of
* CocoaTouch. It provides a base class for control CCSprites such as CCButton
* or CCSlider that convey user intent to the application.
*
* The goal of CCControl is to define an interface and base implementation for
* preparing action messages and initially dispatching them to their targets when
* certain events occur.
*
* To use the CCControl you have to subclass it.
*/
class CCControl : public CCLayerRGBA
{
//CCRGBAProtocol
bool m_bIsOpacityModifyRGB;
/** The current control state constant. */
CC_SYNTHESIZE_READONLY(CCControlState, m_eState, State);
/** True if all of the controls parents are visible */
protected:
bool m_hasVisibleParents;
public:
/** Tells whether the control is enabled. */
virtual void setEnabled(bool bEnabled);
virtual bool isEnabled();
/** A Boolean value that determines the control selected state. */
virtual void setSelected(bool bSelected);
virtual bool isSelected();
/** A Boolean value that determines whether the control is highlighted. */
virtual void setHighlighted(bool bHighlighted);
virtual bool isHighlighted();
bool hasVisibleParents();
/**
* Updates the control layout using its current internal state.
*/
virtual void needsLayout();
virtual bool isOpacityModifyRGB();
virtual void setOpacityModifyRGB(bool bOpacityModifyRGB);
protected:
bool m_bEnabled;
bool m_bSelected;
bool m_bHighlighted;
/**
* Table of connection between the CCControlEvents and their associated
* target-actions pairs. For each CCButtonEvents a list of NSInvocation
* (which contains the target-action pair) is linked.
*/
CCDictionary* m_pDispatchTable;
public:
CCControl();
virtual bool init(void);
virtual ~CCControl();
virtual void onEnter();
virtual void onExit();
virtual void registerWithTouchDispatcher();
/**
* Sends action messages for the given control events.
*
* @param controlEvents A bitmask whose set flags specify the control events for
* which action messages are sent. See "CCControlEvent" for bitmask constants.
*/
virtual void sendActionsForControlEvents(CCControlEvent controlEvents);
/**
* Adds a target and action for a particular event (or events) to an internal
* dispatch table.
* The action message may optionnaly include the sender and the event as
* parameters, in that order.
* When you call this method, target is not retained.
*
* @param target The target object that is, the object to which the action
* message is sent. It cannot be nil. The target is not retained.
* @param action A selector identifying an action message. It cannot be NULL.
* @param controlEvents A bitmask specifying the control events for which the
* action message is sent. See "CCControlEvent" for bitmask constants.
*/
virtual void addTargetWithActionForControlEvents(CCObject* target, SEL_CCControlHandler action, CCControlEvent controlEvents);
/**
* Removes a target and action for a particular event (or events) from an
* internal dispatch table.
*
* @param target The target objectóthat is, the object to which the action
* message is sent. Pass nil to remove all targets paired with action and the
* specified control events.
* @param action A selector identifying an action message. Pass NULL to remove
* all action messages paired with target.
* @param controlEvents A bitmask specifying the control events associated with
* target and action. See "CCControlEvent" for bitmask constants.
*/
virtual void removeTargetWithActionForControlEvents(CCObject* target, SEL_CCControlHandler action, CCControlEvent controlEvents);
/**
* Returns a point corresponding to the touh location converted into the
* control space coordinates.
* @param touch A CCTouch object that represents a touch.
*/
virtual CCPoint getTouchLocation(CCTouch* touch);
/**
* Returns a boolean value that indicates whether a touch is inside the bounds
* of the receiver. The given touch must be relative to the world.
*
* @param touch A CCTouch object that represents a touch.
*
* @return YES whether a touch is inside the receiver°Øs rect.
*/
virtual bool isTouchInside(CCTouch * touch);
protected:
/**
* Returns an CCInvocation object able to construct messages using a given
* target-action pair. (The invocation may optionnaly include the sender and
* the event as parameters, in that order)
*
* @param target The target object.
* @param action A selector identifying an action message.
* @param controlEvent A control events for which the action message is sent.
* See "CCControlEvent" for constants.
*
* @return an CCInvocation object able to construct messages using a given
* target-action pair.
*/
CCInvocation* invocationWithTargetAndActionForControlEvent(CCObject* target, SEL_CCControlHandler action, CCControlEvent controlEvent);
/**
* Returns the CCInvocation list for the given control event. If the list does
* not exist, it'll create an empty array before returning it.
*
* @param controlEvent A control events for which the action message is sent.
* See "CCControlEvent" for constants.
*
* @return the CCInvocation list for the given control event.
*/
//<CCInvocation*>
CCArray* dispatchListforControlEvent(CCControlEvent controlEvent);
/**
* Adds a target and action for a particular event to an internal dispatch
* table.
* The action message may optionnaly include the sender and the event as
* parameters, in that order.
* When you call this method, target is not retained.
*
* @param target The target object°™that is, the object to which the action
* message is sent. It cannot be nil. The target is not retained.
* @param action A selector identifying an action message. It cannot be NULL.
* @param controlEvent A control event for which the action message is sent.
* See "CCControlEvent" for constants.
*/
void addTargetWithActionForControlEvent(CCObject* target, SEL_CCControlHandler action, CCControlEvent controlEvent);
/**
* Removes a target and action for a particular event from an internal dispatch
* table.
*
* @param target The target object°™that is, the object to which the action
* message is sent. Pass nil to remove all targets paired with action and the
* specified control events.
* @param action A selector identifying an action message. Pass NULL to remove
* all action messages paired with target.
* @param controlEvent A control event for which the action message is sent.
* See "CCControlEvent" for constants.
*/
void removeTargetWithActionForControlEvent(CCObject* target, SEL_CCControlHandler action, CCControlEvent controlEvent);
static CCControl* create();
public:
void addHandleOfControlEvent(int nFunID,CCControlEvent controlEvent);
void removeHandleOfControlEvent(CCControlEvent controlEvent);
private:
int getHandleOfControlEvent(CCControlEvent controlEvent);
private:
std::map<int,int> m_mapHandleOfControlEvent;
};
// end of GUI group
/// @}
/// @}
NS_CC_EXT_END
#endif
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