Rogue Wave Views
Foundation Package API Reference Guide
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action.h File Reference
#include <ilviews/ilv.h>
#include <ilviews/base/memory.h>
#include <ilviews/base/iostream.h>
#include <ilviews/base/array.h>
#include <ilviews/base/string.h>
#include <ilviews/base/smartptr.h>
#include <ilviews/base/observer.h>
#include <ilviews/base/clssinfo.h>
#include <ilviews/base/value.h>

Classes

class  IlvAction
 Object class encapsulating the interpretation of an action of the user in a given context. More...
 
class  IlvActionFlags
 Flags indicating the properties of an IlvAction object. More...
 
class  IlvActionHistory
 A repository of user actions. More...
 
class  IlvActionMessage
 Notification message sent to observers of IlvActionHistory objects. More...
 
class  IlvActionSelectionHandler
 Links an IlvActionHistory object to its context. More...
 

Macros

#define IlvActionDeclareMembers()
 
#define IlvDefineAbstractActionClass(classname, superclass)
 
#define IlvDefineActionClass(classname, superclass)
 
#define IlvRepeatableActionDeclareMembers(classname)
 

Enumerations

enum  IlvActionMessageType {
  addmsg, destroymsg, purgemsg, repeatmsg,
  undomsg, redomsg, othermsg
}
 

Detailed Description

Library: views
Declaration of the IlvAction and IlvActionHistory classes, two base classes for handling the history of user actions.

Macro Definition Documentation

§ IlvActionDeclareMembers

#define IlvActionDeclareMembers ( )

Declare metaclass information for IlvAction objects.

This macro should be used inside the class declaration:

class MyAction
: public IlvAction {
.. other declarations ...
};

§ IlvDefineAbstractActionClass

#define IlvDefineAbstractActionClass (   classname,
  superclass 
)

This macro should be used in implementation files to define the default members for action classes that cannot be instantiated without default arguments. That is, their main constructors require explicit parameters.

§ IlvDefineActionClass

#define IlvDefineActionClass (   classname,
  superclass 
)

This macro should be used in implementation files to define the default members for action classes that can be instantiated with no default arguments.

§ IlvRepeatableActionDeclareMembers

#define IlvRepeatableActionDeclareMembers (   classname)

This macro declares the duplicate() method and the copy constructor, making it possible for an action to be repeated. The copy constructor must be implemented in the classes where this macro is used.

Enumeration Type Documentation

§ IlvActionMessageType

Instances of IlvActionHistory can notify IlvObserver objects of actions executed by the user. This enumeration defines all the types of messages that an IlvActionHistory object can send to its observers.

See also
IlvActionMessage, IlvActionHistory.
Enumerator
addmsg 

An action performed by the user has been added to the action history.

destroymsg 

The action history is about to delete one action.

purgemsg 

The action history is about to purge its action queue.

repeatmsg 

An action has just been repeated.

undomsg 

A command has just been undone.

redomsg 

A command has just been redone.

othermsg 

Any other message that the action history or its subclasses can generate.


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