Method restartTask

Gui/ProgressTaskInfo.cpp:287–332

} // ProgressTaskInfo::cancelTask

void
ProgressTaskInfo::restartTask()
{
    {
        QMutexLocker k(&_imp->canceledMutex);
        _imp->canceled = false;
    }
    _imp->updatedProgressOnce = false;
    _imp->timer.reset(new TimeLapse);
    _imp->refreshLabelTimer->start(NATRON_PROGRESS_DIALOG_ETA_REFRESH_MS);

    _imp->pauseTasksButton->setEnabled(true);
    _imp->restartTasksButton->setEnabled(false);


    NodePtr node = _imp->getNode();
    if (!node) {
        return;
    }
    EffectInstancePtr effect = node->getEffectInstance();
    if (!effect) {
        return;
    }
    if ( effect->isOutput() ) {
        int firstFrame;
        if ( (_imp->lastRenderedFrame == _imp->lastFrame) || (_imp->lastRenderedFrame == -1) ) {
            firstFrame = _imp->firstFrame;
            _imp->nFramesRendered = 0;
        } else {
            firstFrame =  _imp->lastRenderedFrame;
        }
        AppInstance::RenderWork w( dynamic_cast<OutputEffectInstance*>( node->getEffectInstance().get() ),
                                   firstFrame,
                                   _imp->lastFrame,
                                   _imp->frameStep,
                                   node->getApp()->isRenderStatsActionChecked() );
        w.isRestart = true;
        _imp->statusItem->setTextColor(Qt::yellow);
        _imp->status = eProgressTaskStatusQueued;
        _imp->statusItem->setText( tr("Queued") );
        _imp->refreshButtons();
        std::list<AppInstance::RenderWork> works;
        works.push_back(w);
        node->getApp()->startWritersRendering(false, works);
    }
}

void
ProgressTaskInfo::onRenderEngineFrameComputed(int frame,