C++ LLPanel::setRect方法代码示例

LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLUICtrlFactory *factory)
{
	std::string name("panel");
	node->getAttributeString("name", name);

	LLPanel* panelp = factory->createFactoryPanel(name);
	// Fall back on a default panel, if there was no special factory.
	if (!panelp)
	{
		LLRect rect;
		createRect(node, rect, parent, LLRect());
		// create a new panel without a border, by default
		panelp = new LLPanel(name, rect, FALSE);
		panelp->initPanelXML(node, parent, factory);
		// preserve panel's width and height, but override the location
		const LLRect& panelrect = panelp->getRect();
		S32 w = panelrect.getWidth();
		S32 h = panelrect.getHeight();
		rect.setLeftTopAndSize(rect.mLeft, rect.mTop, w, h);
		panelp->setRect(rect);
	}
	else
	{
		panelp->initPanelXML(node, parent, factory);
	}

	return panelp;
}

LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLUICtrlFactory *factory)
{
	std::string name("panel");
	node->getAttributeString("name", name);

	LLPanel* panelp = factory->createFactoryPanel(name);
	LLFastTimer _(FTM_PANEL_CONSTRUCTION);
	// Fall back on a default panel, if there was no special factory.
	if (!panelp)
	{
		LLRect rect;
		createRect(node, rect, parent, LLRect());
		// create a new panel without a border, by default
		panelp = new LLPanel(name, rect, FALSE);
		// for local registry callbacks; define in constructor, referenced in XUI or postBuild
		panelp->mCommitCallbackRegistrar.pushScope(); 
		panelp->mEnableCallbackRegistrar.pushScope();
		panelp->initPanelXML(node, parent, factory);
		panelp->mCommitCallbackRegistrar.popScope();
		panelp->mEnableCallbackRegistrar.popScope();
		// preserve panel's width and height, but override the location
		const LLRect& panelrect = panelp->getRect();
		S32 w = panelrect.getWidth();
		S32 h = panelrect.getHeight();
		rect.setLeftTopAndSize(rect.mLeft, rect.mTop, w, h);
		panelp->setRect(rect);
	}
	else
	{
		if(!factory->builtPanel(panelp))
		{
			// for local registry callbacks; define in constructor, referenced in XUI or postBuild
			panelp->mCommitCallbackRegistrar.pushScope(); 
			panelp->mEnableCallbackRegistrar.pushScope();
			panelp->initPanelXML(node, parent, factory);
			panelp->mCommitCallbackRegistrar.popScope();
			panelp->mEnableCallbackRegistrar.popScope();
		}
		else
		{
			LLRect new_rect = panelp->getRect();
			// override rectangle with embedding parameters as provided
			panelp->createRect(node, new_rect, parent);
			panelp->setOrigin(new_rect.mLeft, new_rect.mBottom);
			panelp->setShape(new_rect);
			// optionally override follows flags from including nodes
			panelp->parseFollowsFlags(node);
		}
	}

	return panelp;
}

void LLFlatListView::rearrangeItems()
{
	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);

	setNoItemsCommentVisible(mItemPairs.empty());

	if (mItemPairs.empty()) return;

	//calculating required height - assuming items can be of different height
	//list should accommodate all its items
	S32 height = 0;

	S32 invisible_children_count = 0;
	pairs_iterator_t it = mItemPairs.begin();
	for (; it != mItemPairs.end(); ++it)
	{
		LLPanel* item = (*it)->first;

		// skip invisible child
		if (!item->getVisible())
		{
			++invisible_children_count;
			continue;
		}

		height += item->getRect().getHeight();
	}

	// add paddings between items, excluding invisible ones
	height += mItemPad * (mItemPairs.size() - invisible_children_count - 1);

	LLRect rc = mItemsPanel->getRect();
	S32 width = mItemsNoScrollWidth;

	// update width to avoid horizontal scrollbar
	if (height > getRect().getHeight() - 2 * mBorderThickness)
		width -= scrollbar_size;

	//changes the bottom, end of the list goes down in the scroll container
	rc.setLeftTopAndSize(rc.mLeft, rc.mTop, width, height);
	mItemsPanel->setRect(rc);

	//reshaping items
	S32 item_new_top = height;
	pairs_iterator_t it2, first_it = mItemPairs.begin();
	for (it2 = first_it; it2 != mItemPairs.end(); ++it2)
	{
		LLPanel* item = (*it2)->first;

		// skip invisible child
		if (!item->getVisible())
			continue;

		LLRect rc = item->getRect();
		rc.setLeftTopAndSize(rc.mLeft, item_new_top, width, rc.getHeight());
		item->reshape(rc.getWidth(), rc.getHeight());
		item->setRect(rc);

		// move top for next item in list
		item_new_top -= (rc.getHeight() + mItemPad);
	}

	// Stretch selected item rect to ensure it won't be clipped
	mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1));
}