C_ACTION_FLAGS.h

#pragma once
#include "QFog_constants.h"
//act = action

//This class should be used as a mixin with any class X that
//hosts an LUndoer attachment. This class provides
//a Boolean flag is_modified for each possible LAction of X. 
//In QFog_constants.h, define an index for each action of X.
//The indices must be consecutive integers starting at 0. 


//******************************************
class C_ACTION_FLAGS
{
protected:
    BOOLEAN     its_is_modified[max_num_of_act_types];
    USHORT      its_num_of_act_types;
public:
    C_ACTION_FLAGS(USHORT   num_of_actions);
    BOOLEAN     is_modified(USHORT  act_type) const;    
    VOID        set_is_modified(BOOLEAN  is_mod, USHORT  act_type);
    VOID        set_is_modified(BOOLEAN  is_mod);
};
#pragma mark -


//******************************************
inline
BOOLEAN   C_ACTION_FLAGS::is_modified(
USHORT      act_type)           //in
const
{
    SignalIf_(act_type >= its_num_of_act_types);
    return its_is_modified[act_type];
}
//******************************************
inline
VOID   C_ACTION_FLAGS::set_is_modified(
BOOLEAN         is_mod,     //in
USHORT          act_type)   //in
{
    SignalIf_(act_type >= its_num_of_act_types);
    its_is_modified[act_type] = is_mod;
    //For is_mod==true, could say PostAction(0) here.
}