Method paintEvent

YUViewLib/src/ui/views/SplitViewWidget.cpp:154–528

}

void splitViewWidget::paintEvent(QPaintEvent *)
{
  MoveAndZoomableView::updatePaletteIfNeeded();

  if (!playlist)
    // The playlist was not initialized yet. Nothing to draw (yet)
    return;

  QPainter painter(this);

  // Get the full size of the area that we can draw on (from the paint device base)
  QPoint drawArea_botR(width(), height());

  if (isViewFrozen)
  {
    QString text = "Playback is running in the separate view only.\nCheck 'Playback in primary "
                   "view' if you want playback to run here too.";

    // Set the QRect where to show the text
    QFont        displayFont = painter.font();
    QFontMetrics metrics(displayFont);
    QSize        textSize = metrics.size(0, text);

    QRect textRect;
    textRect.setSize(textSize);
    textRect.moveCenter(drawArea_botR / 2);

    // Draw a rectangle around the text in white with a black border
    QRect boxRect = textRect + QMargins(5, 5, 5, 5);
    painter.setPen(QPen(Qt::black, 1));
    painter.fillRect(boxRect, Qt::white);
    painter.drawRect(boxRect);

    painter.drawText(textRect, Qt::AlignCenter, text);

    MoveAndZoomableView::updateMouseCursor();

    return;
  }

  DEBUG_LOAD_DRAW("splitViewWidget::paintEvent drawing "
                  << (isMasterView ? " separate widget" : ""));

  // Get the current frame to draw
  const auto frame = playback->getCurrentFrame();

  // Is playback running?
  const bool playing = (playback) ? playback->playing() : false;
  // If yes, is is currently stalled because we are waiting for caching of an item to finish first?
  const bool waitingForCaching = playback->isWaitingForCaching();

  // Get the playlist item(s) to draw
  const auto item             = playlist->getSelectedItems();
  const bool anyItemsSelected = item[0] != nullptr || item[1] != nullptr;

  // The x position of the split (if splitting)
  const int xSplit = int(drawArea_botR.x() * splittingPoint);