?? ipcserver.cpp
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#include "ipcserver.h"#include <qsocket.h>#include <qvariant.h>#include <qimage.h>#include <qpalette.h>#include <qapplication.h>class IpcSocket : public QSocket{ Q_OBJECTpublic: IpcSocket( QObject *parent) : QSocket( parent ) { packetSize = 0; connect( this, SIGNAL(readyRead()), SLOT(read()) ); }signals: void receivedText( const QString& ); void receivedPixmap( const QPixmap& );private slots: void read() { Q_ULONG bytesAvail = bytesAvailable(); for ( ;; ) { if ( packetSize == 0 ) { QDataStream ds( this ); if ( bytesAvail < 4 ) return; ds >> packetSize; bytesAvail -= 4; } else { if ( bytesAvail < packetSize ) return; // read the packet in a byte array to be sure that you don't // read too much or too less QByteArray ba( packetSize ); readBlock( ba.data(), packetSize ); bytesAvail -= packetSize; packetSize = 0; QVariant variant; QDataStream ds( ba, IO_ReadOnly ); ds >> variant; switch ( variant.type() ) { case QVariant::String: emit receivedText( variant.toString() ); break; case QVariant::Image: emit receivedPixmap( QPixmap(variant.toImage()) ); break; case QVariant::Palette: QApplication::setPalette( variant.toPalette(), TRUE ); break; default: break; } } } }private: Q_UINT32 packetSize;};IpcServer::IpcServer( Q_UINT16 port, QObject *parent ) : QServerSocket( 0x7f000001, port, 1, parent ){}void IpcServer::newConnection( int socket ){ IpcSocket *s = new IpcSocket( this ); s->setSocket( socket ); connect( s, SIGNAL(receivedText(const QString&)), SIGNAL(receivedText(const QString&)) ); connect( s, SIGNAL(receivedPixmap(const QPixmap&)), SIGNAL(receivedPixmap(const QPixmap&)) );}#include "ipcserver.moc"?? 快捷鍵說明
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