Method onClear

src/app/ui/document_view.cpp:512–542

}

bool DocumentView::onClear(Context* ctx)
{
  ContextWriter writer(ctx);
  Document* document = writer.document();
  bool visibleMask = document->isMaskVisible();

  if (!writer.cel())
    return false;

  {
    Transaction transaction(writer.context(), "Clear");
    transaction.execute(new cmd::ClearMask(writer.cel()));

    // If the cel wasn't deleted by cmd::ClearMask, we trim it.
    if (writer.cel() &&
        writer.cel()->layer()->isTransparent())
      transaction.execute(new cmd::TrimCel(writer.cel()));

    if (visibleMask &&
        !Preferences::instance().selection.keepSelectionAfterClear())
      transaction.execute(new cmd::DeselectMask(document));

    transaction.commit();
  }

  if (visibleMask)
    document->generateMaskBoundaries();

  document->notifyGeneralUpdate();
  return true;
}

void DocumentView::onCancel(Context* ctx)
{