Home

qtsingleapplication.h

This is the verbatim text of the qtsingleapplication.h include file. It is provided only for illustration; the copyright remains with Trolltech.

#ifndef QTSINGLEAPPLICATION_H
#define QTSINGLEAPPLICATION_H

#include <qapplication.h>
#ifdef Q_WS_MAC
#include <qt_mac.h>
#endif

class QtSingletonPrivate;
class QtSingletonSysPrivate;

#if defined(Q_WS_WIN)
#  if !defined(QT_QTSINGLEAPPLICATION_EXPORT) && !defined(QT_QTSINGLEAPPLICATION_IMPORT)
#    define QT_QTSINGLEAPPLICATION_EXPORT
#  elif defined(QT_QTSINGLEAPPLICATION_IMPORT)
#    if defined(QT_QTSINGLEAPPLICATION_EXPORT)
#      undef QT_QTSINGLEAPPLICATION_EXPORT
#    endif
#    define QT_QTSINGLEAPPLICATION_EXPORT __declspec(dllimport)
#  elif defined(QT_QTSINGLEAPPLICATION_EXPORT)
#    undef QT_QTSINGLEAPPLICATION_EXPORT
#    define QT_QTSINGLEAPPLICATION_EXPORT __declspec(dllexport)
#  endif
#else
#  define QT_QTSINGLEAPPLICATION_EXPORT
#endif

class QT_QTSINGLEAPPLICATION_EXPORT QtSingleApplication : public QApplication
{
    Q_OBJECT
public:
    QtSingleApplication( const QString &id, int &argc, char **argv, Type = GuiClient );
#ifdef Q_WS_X11
    QtSingleApplication( Display* dpy, const QString &id, int argc, char **argv, HANDLE visual = 0, HANDLE colormap = 0 );
#endif
    ~QtSingleApplication();

    bool isRunning() const;
    QString id() const;

    void initialize( bool activate = TRUE );

protected:
#if defined(Q_WS_X11)
    bool x11EventFilter( XEvent *msg );
#endif

public slots:
    bool sendMessage( const QString &message, int timeout = 5000 );
    virtual void activateMainWidget();

signals:
    void messageReceived( const QString& message );

private:
    friend class QtSingletonSysPrivate;
#ifdef Q_WS_MAC
    friend CFDataRef MyCallBack(CFMessagePortRef, SInt32, CFDataRef, void *);
#endif
    QtSingletonPrivate *d;
    QtSingletonSysPrivate *sysd;

    void sysInit();
    void sysCleanup();
};

#endif //QTSINGLEAPPLICATION_H