Method PaintBackground

Telegram/SourceFiles/window/section_widget.cpp:339–371

}

void SectionWidget::PaintBackground(
		not_null<Window::SessionController*> controller,
		not_null<Ui::ChatTheme*> theme,
		not_null<QWidget*> widget,
		QRect clip) {
	if (const auto id = theme->background().giftId) {
		const auto fillHeight = controller->content()->height();
		const auto fill = QSize(widget->width(), fillHeight);
		const auto &state = theme->backgroundState(fill);
		const auto make = [&] {
			return MakeWrappedEmoji<Ui::Text::LimitedLoopsEmoji>(
				controller->session().data().customEmojiManager().create(
					id,
					crl::guard(widget, [=] { widget->update(); }),
					Data::CustomEmojiSizeTag::Isolated),
				1);
		};
		if (!state.was.gift) {
			state.was.gift = make();
		}
		if (!state.now.gift) {
			state.now.gift = make();
		}
	}

	PaintBackground(
		theme,
		widget,
		controller->content()->height(),
		controller->content()->backgroundFromY(),
		clip,
		controller->isGifPausedAtLeastFor(GifPauseReason::Any));
}

void SectionWidget::PaintBackground(
		not_null<Ui::ChatTheme*> theme,