| -rw-r--r-- | libopie2/opiecore/device/odevice.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libopie2/opiecore/device/odevice.cpp b/libopie2/opiecore/device/odevice.cpp index ec861ee..b5ae4e5 100644 --- a/libopie2/opiecore/device/odevice.cpp +++ b/libopie2/opiecore/device/odevice.cpp @@ -735,97 +735,99 @@ void ODevice::virtual_hook(int, void* ){ * before going to suspend. * */ void ODevice::sendSuspendmsg() { if ( isQWS() ) return; QCopEnvelope ( "QPE/System", "aboutToSuspend()" ); } /** * \brief Prepend the QWSServer::KeyboardFilter to the list of installed KeyFilters * * Prepend a QWSServer::KeyboardFilter to the List of Keyboard * Filters. This function is the only way to prepend a KeyFilter. * * @param aFilter The KeyFilter to be prepended to the list of filters * * @see Opie::Core::OKeyFilter * @see Opie::Core::OKeyFilter::inst() */ void ODevice::addPreHandler(QWSServer::KeyboardFilter*aFilter) { Opie::Core::OKeyFilter::inst()->addPreHandler(aFilter); } /** * \brief Remove the QWSServer::KeyboardFilter in the param from the list * * Remove the QWSServer::KeyboardFilter \par aFilter from the List * of Keyfilters. Call this when you delete the KeyFilter! * * @param aFilter The filter to be removed from the Opie::Core::OKeyFilter * @see Opie::Core::ODevice::addPreHandler */ void ODevice::remPreHandler(QWSServer::KeyboardFilter*aFilter) { Opie::Core::OKeyFilter::inst()->remPreHandler(aFilter); } /** * @internal * * @see changeMixerForAlarm */ void ODevice::playingStopped() { - const_cast<QObject*>(sender())->disconnect( this ); + if ( sender() ) + const_cast<QObject*>(sender())->disconnect( this ); + #ifndef QT_NO_SOUND if ( d->m_sound >= 0 ) { ::ioctl ( d->m_sound, MIXER_WRITE( d->m_mixer ), &d->m_vol ); ::close ( d->m_sound ); } #endif } /** * \brief Change the Volume for the Alarm and set it back after playing is finished * * If you play an Alarm Sound you might want to change the Mixer to * full volume and ignore the user setting. After it \sa Sound::isFinished * you would turn the volume back to the user preference. * The problem is that we used to enter the event loop while waiting * for the sound to be finished triggering all kind of reentrance * problems what a library shouldn't introduce. * Instead of manually waiting for the sound to be finished use * this Method and it will automatically restore the Mixer to * the user configuration after the sound finished playing. * * Note: The onwership of \param snd is not transfered and playing * is not started in this method. If 'snd' gets deleted before * playing is finished the volume doesn't get set back to * the user preference! * * \code * static Sound snd("alarm"); * if(!snd.isFinished()) * return; * * changeMixerForAlarm( my_channel, "/dev/mixer", &snd ); * snd.play() * \endcode * * * * @param mixer The mixer number/channel to use * @param file The file name. If you convert from QString use QFile::encodeName * @param snd The sound to wait for finishing * */ void ODevice::changeMixerForAlarm( int mixer, const char* file, Sound *snd ) { #ifndef QT_NO_SOUND if (( d->m_sound = ::open ( file, O_RDWR )) >= 0 ) { if ( ::ioctl ( d->m_sound, MIXER_READ( mixer ), &d->m_vol ) >= 0 ) { Config cfg ( "qpe" ); |