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WSJT-X
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Do not access ui widgets after the UI has been destroyed 

During  orderly close down  the UI  can  be destroyed  while Rx  audio
blocks are  still being  delivered. Therefore the  UI pointer  must be
checked  in MainWindow::datasink  before attempting  to access  the UI
widgets.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6683 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Bill Somerville 2016-05-17 20:45:40 +00:00
parent 22a9195326
commit a63e906cbb
1 changed files with 7 additions and 7 deletions
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14
mainwindow.cpp
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@ -938,7 +938,7 @@ void MainWindow::dataSink(qint64 frames)
QString t;
m_pctZap=m_nzap*100.0/m_nsps; // TODO: this is currently redundant
t.sprintf(" Rx noise: %5.1f ",m_px);
ui->signal_meter_widget->setValue(m_px); // Update thermometer
if (ui) ui->signal_meter_widget->setValue(m_px); // Update thermometer
if(m_monitoring || m_diskData) {
m_wideGraph->dataSink2(s,m_df3,m_ihsym,m_diskData);
}
@ -976,7 +976,7 @@ void MainWindow::dataSink(qint64 frames)
t.sprintf("%3d %7.1f %7.1f %7.1f %7.1f %3d",echocom_.nsum,xlevel,sigdb,
dfreq,width,nqual);
t=QDateTime::currentDateTimeUtc().toString("hh:mm:ss ") + t;
ui->decodedTextBrowser->appendText(t);
if (ui) ui->decodedTextBrowser->appendText(t);
if(m_echoGraph->isVisible()) m_echoGraph->plotSpec();
m_nclearave=0;
//Don't restart Monitor after an Echo transmission
@ -1039,12 +1039,12 @@ void MainWindow::dataSink(qint64 frames)
QString t3=cmnd;
int i1=cmnd.indexOf("/wsprd ");
cmnd=t3.mid(0,i1+7) + t3.mid(i1+7);
ui->DecodeButton->setChecked (true);
if (ui) ui->DecodeButton->setChecked (true);
p1.start(QDir::toNativeSeparators(cmnd));
m_messageClient->status_update (m_freqNominal, m_mode, m_hisCall,
QString::number (ui->rptSpinBox->value ()),
m_modeTx, ui->autoButton->isChecked (),
m_transmitting, (m_decoderBusy = true));
if (ui) m_messageClient->status_update (m_freqNominal, m_mode, m_hisCall,
QString::number (ui->rptSpinBox->value ()),
m_modeTx, ui->autoButton->isChecked (),
m_transmitting, (m_decoderBusy = true));
}
m_rxDone=true;
}