C++ LLPanel::reshape方法代码示例

void LLPanelMarketplaceListings::onTabChange()
{
	// Find active panel
	LLInventoryPanel* panel = (LLInventoryPanel*)getChild<LLTabContainer>("marketplace_filter_tabs")->getCurrentPanel();
	if (panel)
	{
		// If the panel doesn't allow drop on root, it doesn't allow the creation of new folder on root either
		LLButton* add_btn = getChild<LLButton>("add_btn");
		add_btn->setEnabled(panel->getAllowDropOnRoot());

		// Set filter string on active panel
		panel->setFilterSubString(mFilterSubString);

		// Show/hide the drop zone and resize the inventory tabs panel accordingly
		LLPanel* drop_zone = (LLPanel*)getChild<LLPanel>("marketplace_drop_zone");
		bool drop_zone_visible = drop_zone->getVisible();
		bool allow_drop_on_root = panel->getAllowDropOnRoot() && gSavedSettings.getBOOL("LiruEnableWIPUI");
		if (drop_zone_visible != allow_drop_on_root)
		{
			LLPanel* tabs = (LLPanel*)getChild<LLPanel>("tab_container_panel");
			S32 delta_height = drop_zone->getRect().getHeight();
			delta_height = (drop_zone_visible ? delta_height : -delta_height);
			tabs->reshape(tabs->getRect().getWidth(),tabs->getRect().getHeight() + delta_height);
			tabs->translate(0,-delta_height);
		}
		drop_zone->setVisible(allow_drop_on_root);
	}
}

void LLLayoutStack::updateLayout(BOOL force_resize)
{
	LLFastTimer ft(FTM_UPDATE_LAYOUT);
	static LLUICachedControl<S32> resize_bar_overlap ("UIResizeBarOverlap", 0);
	calcMinExtents();
	createResizeBars();

	// calculate current extents
	S32 total_width = 0;
	S32 total_height = 0;

	e_panel_list_t::iterator panel_it;
	for (panel_it = mPanels.begin(); panel_it != mPanels.end();	++panel_it)
	{
		LLPanel* panelp = (*panel_it);
		if (panelp->getVisible()) 
		{
			if (mAnimate)
			{
				if (!mAnimatedThisFrame)
				{
					(*panel_it)->mVisibleAmt = lerp((*panel_it)->mVisibleAmt, 1.f, LLCriticalDamp::getInterpolant(mOpenTimeConstant));
					if ((*panel_it)->mVisibleAmt > 0.99f)
					{
						(*panel_it)->mVisibleAmt = 1.f;
					}
				}
			}
			else
			{
				(*panel_it)->mVisibleAmt = 1.f;
			}
		}
		else // not visible
		{
			if (mAnimate)
			{
				if (!mAnimatedThisFrame)
				{
					(*panel_it)->mVisibleAmt = lerp((*panel_it)->mVisibleAmt, 0.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
					if ((*panel_it)->mVisibleAmt < 0.001f)
					{
						(*panel_it)->mVisibleAmt = 0.f;
					}
				}
			}
			else
			{
				(*panel_it)->mVisibleAmt = 0.f;
			}
		}

		if ((*panel_it)->mCollapsed)
		{
			(*panel_it)->mCollapseAmt = lerp((*panel_it)->mCollapseAmt, 1.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
		}
		else
		{
			(*panel_it)->mCollapseAmt = lerp((*panel_it)->mCollapseAmt, 0.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
		}

		if (mOrientation == HORIZONTAL)
		{
			// enforce minimize size constraint by default
			if (panelp->getRect().getWidth() < (*panel_it)->mMinDim)
			{
				panelp->reshape((*panel_it)->mMinDim, panelp->getRect().getHeight());
			}
        	total_width += llround(panelp->getRect().getWidth() * (*panel_it)->getCollapseFactor(mOrientation));
        	// want n-1 panel gaps for n panels
			if (panel_it != mPanels.begin())
			{
				total_width += mPanelSpacing;
			}
		}
		else //VERTICAL
		{
			// enforce minimize size constraint by default
			if (panelp->getRect().getHeight() < (*panel_it)->mMinDim)
			{
				panelp->reshape(panelp->getRect().getWidth(), (*panel_it)->mMinDim);
			}
			total_height += llround(panelp->getRect().getHeight() * (*panel_it)->getCollapseFactor(mOrientation));
			if (panel_it != mPanels.begin())
			{
				total_height += mPanelSpacing;
			}
		}
	}

	S32 num_resizable_panels = 0;
	S32 shrink_headroom_available = 0;
	S32 shrink_headroom_total = 0;
	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
	{
		// panels that are not fully visible do not count towards shrink headroom
		if ((*panel_it)->getCollapseFactor(mOrientation) < 1.f) 
		{
			continue;
		}
//.........这里部分代码省略.........

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));
}