Mega Code Archive
Cpp with qobject
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/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of APress nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <string>
using namespace std;
#include <QtDebug>
#include <QObject>
class MyClass : public QObject
{
public:
MyClass( const string &text, QObject *parent = 0 );
const string &text();
void setText( const string &text );
int getLengthOfText();
private:
string m_text;
};
MyClass::MyClass( const string &text, QObject *parent ) : QObject( parent )
{
m_text = text;
}
const string &MyClass::text() { return m_text; }
void MyClass::setText( const string &text ) { m_text = text; }
int MyClass::getLengthOfText() { return m_text.size(); }
int main( int argc, char **argv )
{
QObject parent;
MyClass *a, *b, *c;
a = new MyClass( "foo", &parent );
b = new MyClass( "ba-a-ar", &parent );
c = new MyClass( "baz", &parent );
qDebug() << QString::fromStdString(a->text()) << " (" << a->getLengthOfText() << ")";
a->setText( b->text() );
qDebug() << QString::fromStdString(a->text()) << " (" << a->getLengthOfText() << ")";
return a->getLengthOfText() - c->getLengthOfText();
}
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