Method DrawSortButtonState

src/widget.cpp:816–827

* Draw a sort button's up or down arrow symbol. * @param widget Sort button widget * @param state State of sort button */

 * @param state State of sort button
 */
void Window::DrawSortButtonState(WidgetID widget, SortButtonState state) const
{
	if (state == SBS_OFF) return;

	assert(!this->widget_lookup.empty());
	Rect r = this->GetWidget<NWidgetBase>(widget)->GetCurrentRect();

	/* Sort button uses the same sprites as vertical scrollbar */
	Dimension dim = NWidgetScrollbar::GetVerticalDimension();

	DrawSpriteIgnorePadding(state == SBS_DOWN ? SPR_ARROW_DOWN : SPR_ARROW_UP, PAL_NONE, r.WithWidth(dim.width, _current_text_dir == TD_LTR), SA_CENTER);
}

/**
 * Get width of up/down arrow of sort button state.