Method currentSelectedItemsChanged

YUViewLib/src/ui/PlaybackController.cpp:292–406

}

void PlaybackController::currentSelectedItemsChanged(playlistItem *item1,
                                                     playlistItem *item2,
                                                     bool          chageByPlayback)
{
  QSettings settings;
  auto continuePlayback = settings.value("ContinuePlaybackOnSequenceSelection", false).toBool();

  if (this->playing() && !chageByPlayback && !continuePlayback)
    this->pausePlayback();

  this->currentItem[0] = item1;
  this->currentItem[1] = item2;

  if (!this->anyItemIndexedByFrame())
  {
    this->enableControls(false);

    // Save the last valid frame index. Now the frame index is invalid.
    if (this->currentFrameIdx != -1)
      this->lastValidFrameIdx = this->currentFrameIdx;
    this->currentFrameIdx = -1;

    if (item1 && !item1->properties().isIndexedByFrame())
    {
      const auto sliderMax = item1->properties().duration * 10;
      this->updateFrameSliderAndSpinBoxWithoutSignals(0, sliderMax);
    }

    if (item1 && (chageByPlayback || (continuePlayback && this->playing())) &&
        this->playbackMode != PlaybackMode::WaitingForCache)
      // Update the timer
      this->startOrUpdateTimer();

    DEBUG_PLAYBACK("PlaybackController::currentSelectedItemsChanged No indexed items - "
                   "currentFrameIdx %d lastValidFrameIdx %d slider %d-%d",
                   this->currentFrameIdx,
                   this->lastValidFrameIdx,
                   this->frameSlider->minimum(),
                   this->frameSlider->maximum());

    // Also update the view to display the new frame
    this->splitViewPrimary->update(true);
    this->splitViewSeparate->update();
  }
  else if (this->playing() && (chageByPlayback || continuePlayback))
  {
    if (this->playbackMode != PlaybackMode::WaitingForCache)
      // Update the timer
      this->startOrUpdateTimer();

    this->updateFrameRange();

    if (!chageByPlayback && continuePlayback &&
        this->currentFrameIdx >= this->ui.frameSlider->maximum())
      // The user changed this but we want playback to continue. Unfortunately the new selected
      // sequence does not have as many frames as the previous one. So we start playback at the
      // start.
      this->setCurrentFrameAndUpdate(this->ui.frameSlider->minimum());