Method onAutoSize

src/eepp/ui/uiscrollbar.cpp:123–184

}

void UIScrollBar::onAutoSize() {
	if ( mSlider == nullptr )
		return;

	Sizef size;
	UISkin* tSkin = mSlider->getBackSlider()->getSkin();

	if ( NULL != tSkin ) {
		size = tSkin->getSize();

		setMinSize( PixelDensity::pxToDp( size ) );

		if ( mFlags & UI_AUTO_SIZE ) {
			if ( mSlider->isVertical() ) {
				mSlider->setSize( size.getWidth(), getSize().getHeight() );
				setSize( size.getWidth(), getSize().getHeight() );
			} else {
				mSlider->setSize( getSize().getWidth(), size.getHeight() );
				setSize( getSize().getWidth(), size.getHeight() );
			}
		}
	} else if ( NULL != mSlider->getSliderButton() ) {
		tSkin = mSlider->getSliderButton()->getSkin();

		if ( NULL != tSkin ) {
			size = tSkin->getSize();

			setMinSize( PixelDensity::pxToDp( size ) );

			if ( mFlags & UI_AUTO_SIZE ) {
				if ( mSlider->isVertical() ) {
					setSize( size.getWidth(), getSize().getHeight() );
				} else {
					setSize( getSize().getWidth(), size.getHeight() );
				}
			}
		}
	}

	if ( mWidthPolicy == SizePolicy::WrapContent || mHeightPolicy == SizePolicy::WrapContent ) {
		size = PixelDensity::dpToPx( mSlider->getSize() ) + mPaddingPx;

		if ( mScrollBarStyle == TwoButtons ) {
			if ( mSlider->isVertical() ) {
				size.y +=
					mBtnDown->getPixelsSize().getHeight() + mBtnUp->getPixelsSize().getHeight();
			} else {
				size.x += mBtnDown->getPixelsSize().getWidth() + mBtnUp->getPixelsSize().getWidth();
			}
		}

		if ( mWidthPolicy == SizePolicy::WrapContent ) {
			setInternalPixelsWidth( size.getWidth() );
		}

		if ( mHeightPolicy == SizePolicy::WrapContent ) {
			setInternalPixelsHeight( size.getHeight() );
		}