Method dropEvent

Telegram/SourceFiles/dialogs/dialogs_widget.cpp:3374–3394

}

void Widget::dropEvent(QDropEvent *e) {
	_chooseByDragTimer.cancel();
	if (_scroll->geometry().contains(e->pos())) {
		const auto globalPosition = mapToGlobal(e->pos());
		const auto thread = _suggestions
			? _suggestions->updateFromParentDrag(globalPosition)
			: _inner->updateFromParentDrag(globalPosition);
		if (thread) {
			e->setDropAction(Qt::CopyAction);
			e->accept();
			controller()->content()->filesOrForwardDrop(
				thread,
				e->mimeData());
			if (!thread->owningHistory()->isForum()) {
				hideChildList();
			}
			controller()->widget()->raise();
			controller()->widget()->activateWindow();
		}
	}
}

void Widget::listScrollUpdated() {
	const auto scrollTop = _scroll->scrollTop();