Method brushStyleChanged

src/frontend/widgets/BackgroundWidget.cpp:282–288

}

void BackgroundWidget::brushStyleChanged(int index) {
	CONDITIONAL_LOCK_RETURN;

	auto style = (Qt::BrushStyle)index;
	for (auto* background : m_backgrounds)
		background->setBrushStyle(style);
}

void BackgroundWidget::firstColorChanged(const QColor& c) {
	CONDITIONAL_LOCK_RETURN;