gtkradiant/libs/generic/callback.cpp
TTimo 12b372f89c ok
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
2006-02-10 22:01:20 +00:00

109 lines
2.2 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "callback.h"
#if defined(_DEBUG) || defined(DOXYGEN)
namespace ExampleMemberCaller
{
// MemberCaller example
class Integer
{
public:
int value;
void printValue() const
{
// print this->value here;
}
void setValue()
{
value = 3;
}
// a typedef to make things more readable
typedef MemberCaller<Integer, &Integer::setValue> SetValueCaller;
};
void example()
{
Integer foo = { 0 };
{
Callback bar = ConstMemberCaller<Integer, &Integer::printValue>(foo);
// invoke the callback
bar(); // foo.printValue()
}
{
// use the typedef to improve readability
Callback bar = Integer::SetValueCaller(foo);
// invoke the callback
bar(); // foo.setValue()
}
}
// end example
}
namespace ExampleReferenceCaller
{
// ReferenceCaller example
void Int_printValue(const int& value)
{
// print value here;
}
void Int_setValue(int& value)
{
value = 3;
}
// a typedef to make things more readable
typedef ReferenceCaller<int, Int_setValue> IntSetValueCaller;
void example()
{
int foo = 0;
{
Callback bar = ConstReferenceCaller<int, Int_printValue>(foo);
// invoke the callback
bar(); // Int_printValue(foo)
}
{
// use the typedef to improve readability
Callback bar = IntSetValueCaller(foo);
// invoke the callback
bar(); // Int_setValue(foo)
}
}
// end example
}
#endif