qthread slot

作者: littlesu 分类: 开发经验发布时间: 2013-01-15 15:42 ė3,695 浏览数 6没有评论

#include &lt;QtCore/QCoreApplication&gt;  
#include &lt;QtCore/QObject&gt;  
#include &lt;QtCore/QThread&gt;  
#include &lt;QtCore/QDebug&gt;   
class Dummy :public QObject
{      
         Q_OBJECT  
public:     Dummy (QObject* parent=0):QObject (parent)     {}  
public slots :    
         void emitsig ()    
        {       
                 emit sig ();      
        }
signals :    
         void sig ();
};  

class Object :public QObject
{      
         Q_OBJECT  
public:
         Object(){}
public slots :
         void slot ()
        {   
                 qDebug()&lt;&lt;&quot;from thread slot:&quot; &lt;&lt;QThread:: currentThreadId();      
        }  
};   
#include &quot;main.moc&quot;
int main (int argc, char *argv[])
{     
         QCoreApplication a (argc, argv);      
         qDebug()&lt;&lt;&quot;main thread:&quot;&lt;&lt;QThread:: currentThreadId();     
         QThread thread ;      
         Object obj ;      
         Dummy dummy ;      
         obj.moveToThread (&amp;thread);     
         QObject::connect (&amp;dummy, SIGNAL(sig ()), &amp;obj, SLOT(slot ()));     
         thread.start ();      
         dummy.emitsig ();      
         return a .exec();
}

#include <QtCore/QCoreApplication>

#include <QtCore/QObject>

#include <QtCore/QThread>

#include <QtCore/QDebug>

class Dummy :public QObject

{

Q_OBJECT

public: Dummy (QObject* parent=0):QObject (parent) {}

public slots :

void emitsig ()

{

emit sig ();

}

signals :

void sig ();

};

class Object :public QObject

{

Q_OBJECT

public:

Object(){}

public slots :

void slot ()

{

qDebug()<<"from thread slot:" <<QThread:: currentThreadId();

}

};

#include "main.moc"

int main (int argc, char *argv[])

{

QCoreApplication a (argc, argv);

qDebug()<<"main thread:"<<QThread:: currentThreadId();

QThread thread ;

Object obj ;

Dummy dummy ;

obj.moveToThread (&thread);

QObject::connect (&dummy, SIGNAL(sig ()), &obj, SLOT(slot ()));

thread.start ();

dummy.emitsig ();

return a .exec();

}

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