Method packHorizontal

src/eepp/ui/uilinearlayout.cpp:285–411

}

void UILinearLayout::packHorizontal() {
	if ( mPacking )
		return;
	mPacking = true;
	bool sizeChanged = false;
	Sizef size( getPixelsSize() );

	if ( getLayoutWidthPolicy() == SizePolicy::MatchParent ) {
		Float w = getMatchParentWidth();

		if ( (int)w != (int)getPixelsSize().getWidth() ) {
			sizeChanged = true;
			size.setWidth( w );
		}
	}

	if ( getLayoutHeightPolicy() == SizePolicy::MatchParent && 0 == getLayoutWeight() ) {
		Float h = getMatchParentHeight();

		if ( (int)h != (int)getPixelsSize().getHeight() ) {
			sizeChanged = true;
			size.setHeight( h );
		}
	}

	if ( sizeChanged )
		setInternalPixelsSize( size );

	applyHeightPolicyOnChildren();

	Float curX = mPaddingPx.Left;
	Float maxY = 0;
	Sizei freeSize = getTotalUsedSize();

	Node* child = mChild;

	while ( NULL != child ) {
		if ( child->isWidget() && child->isVisible() ) {
			UIWidget* widget = static_cast<UIWidget*>( child );
			Rectf margin = widget->getLayoutPixelsMargin();

			curX += eeceil( margin.Left );

			Vector2f pos( curX, mPaddingPx.Top );

			if ( widget->getLayoutWeight() != 0 ) {
				Float totSize =
					( getLayoutWidthPolicy() == SizePolicy::MatchParent ||
					  getLayoutWidthPolicy() == SizePolicy::Fixed )
						? getPixelsSize().getWidth() - mPaddingPx.Left - mPaddingPx.Right
						: getParent()->getPixelsSize().getWidth() - mLayoutMarginPx.Right -
							  mLayoutMarginPx.Left - mPaddingPx.Left - mPaddingPx.Right;
				Float newSize = eemax(
					eeceil( totSize - freeSize.getWidth() ) * widget->getLayoutWeight(), 0.f );

				widget->setPixelsSize( newSize, widget->getPixelsSize().getHeight() );
			}