C++ LLFloater::getHost方法代码示例

//static
// returns true if the instance is visible when completed
bool LLFloaterReg::toggleInstance(const std::string& name, const LLSD& key)
{
	LLFloater* instance = findInstance(name, key); 
	if (LLFloater::isShown(instance))
	{
		// When toggling *visibility*, close the host instead of the floater when hosted
		if (instance->getHost())
			instance->getHost()->closeFloater();
		else
			instance->closeFloater();
		return false;
	}
	else
	{
		return showInstance(name, key, TRUE) ? true : false;
	}
}

//static
LLFloater* LLFloaterReg::getInstance(const std::string& name, const LLSD& key) 
{
	LLFloater* res = findInstance(name, key);
	if (!res)
	{
		const LLFloaterBuildFunc& build_func = sBuildMap[name].mFunc;
		const std::string& xui_file = sBuildMap[name].mFile;
		if (build_func)
		{
			const std::string& groupname = sGroupMap[name];
			if (!groupname.empty())
			{
				instance_list_t& list = sInstanceMap[groupname];
				int index = list.size();

				res = build_func(key);
				
				bool success = res->buildFromFile(xui_file, NULL);
				if (!success)
				{
					llwarns << "Failed to build floater type: '" << name << "'." << llendl;
					return NULL;
				}
					
				// Note: key should eventually be a non optional LLFloater arg; for now, set mKey to be safe
				res->mKey = key;
				res->setInstanceName(name);
				res->applySavedVariables(); // Can't apply rect and dock state until setting instance name
				if (res->mAutoTile && !res->getHost() && index > 0)
				{
					const LLRect& cur_rect = res->getRect();
					LLRect next_rect = getFloaterRect(groupname);
					next_rect.setLeftTopAndSize(next_rect.mLeft, next_rect.mTop, cur_rect.getWidth(), cur_rect.getHeight());
					res->setRect(next_rect);
					res->setRectControl(LLStringUtil::null); // don't save rect of tiled floaters
					gFloaterView->adjustToFitScreen(res, true);
				}
				else
				{
					gFloaterView->adjustToFitScreen(res, false);
				}
				list.push_back(res);
			}
		}
		if (!res)
		{
			llwarns << "Floater type: '" << name << "' not registered." << llendl;
		}
	}
	return res;
}

void FSFloaterIMContainer::onOpen(const LLSD& key)
{

	LLMultiFloater::onOpen(key);
	

	// If we're using multitabs, and we open up for the first time
	// Add localchat by default if it's not already on the screen somewhere else. -AO	
	// But only if it hasnt been already so we can reopen it to the same tab -KC
	// Improved handling to leave most of the work to the LL tear-off code -Zi

	LLFloater* floater = FSFloaterNearbyChat::getInstance();
	if (! LLFloater::isVisible(floater) && (floater->getHost() != this))
	{
		if (gSavedSettings.getBOOL("ChatHistoryTornOff"))
		{
			// first set the tear-off host to this floater
			floater->setHost(this);
			// clear the tear-off host right after, the "last host used" will still stick
			floater->setHost(NULL);
			// reparent to floater view
			gFloaterView->addChild(floater);
		}
		else
		{
			LLMultiFloater::showFloater(floater);
		}
	}
	
/*
	if (key.isDefined())
	{
		LLIMFloater* im_floater = LLIMFloater::findInstance(key.asUUID());
		if (im_floater)
		{
			im_floater->openFloater();
		}
	}
*/
}

//static
void LLFloaterReg::toggleInstanceOrBringToFront(const LLSD& sdname, const LLSD& key)
{
	//
	// Floaters controlled by the toolbar behave a bit differently from others.
	// Namely they have 3-4 states as defined in the design wiki page here:
	//   https://wiki.lindenlab.com/wiki/FUI_Button_states
	//
	// The basic idea is this:
	// * If the target floater is minimized, this button press will un-minimize it.
	// * Else if the target floater is closed open it.
	// * Else if the target floater does not have focus, give it focus.
	//       * Also, if it is not on top, bring it forward when focus is given.
	// * Else the target floater is open, close it.
	// 
	std::string name = sdname.asString();
	LLFloater* instance = getInstance(name, key); 
	

	if (!instance)
	{
		LL_DEBUGS() << "Unable to get instance of floater '" << name << "'" << LL_ENDL;
		return;
	}
	
	// If hosted, we need to take that into account
	LLFloater* host = instance->getHost();
	
	if (host)
	{
		//FS:LO from above: * Else if the target floater does not have focus, give it focus. * Also, if it is not on top, bring it forward when focus is given.
		//if (host->isMinimized() || !host->isShown() || !host->isFrontmost())
		if (host->isMinimized() || !host->isShown() || (!host->hasFocus() || !host->isFrontmost()))
		{
			host->setMinimized(FALSE);
			instance->openFloater(key);
			instance->setVisibleAndFrontmost(true, key);
		}
		else if (!instance->getVisible())
		{
			instance->openFloater(key);
			instance->setVisibleAndFrontmost(true, key);
			instance->setFocus(TRUE);
		}
		else
		{
			instance->closeHostedFloater();
		}
	}
	else
	{
		if (instance->isMinimized())
		{
			instance->setMinimized(FALSE);
			instance->setVisibleAndFrontmost(true, key);
		}
		else if (!instance->isShown())
		{
			instance->openFloater(key);
			instance->setVisibleAndFrontmost(true, key);
		}
		//FS:LO from above: * Else if the target floater does not have focus, give it focus. * Also, if it is not on top, bring it forward when focus is given.
		//else if (!instance->isFrontmost())
		else if (!instance->hasFocus() || !instance->isFrontmost())
		{
			instance->setVisibleAndFrontmost(true, key);
		}
		else
		{
			instance->closeHostedFloater();
		}
	}
}

//static
LLFloater* LLFloaterReg::getInstance(const std::string& name, const LLSD& key) 
{
	LLFloater* res = findInstance(name, key);
	if (!res)
	{
		const LLFloaterBuildFunc& build_func = sBuildMap[name].mFunc;
		const std::string& xui_file = sBuildMap[name].mFile;
		if (build_func)
		{
			const std::string& groupname = sGroupMap[name];
			if (!groupname.empty())
			{
				instance_list_t& list = sInstanceMap[groupname];
				int index = list.size();

				res = build_func(key);
				
				bool success = res->buildFromFile(xui_file, NULL);
				if (!success)
				{
					llwarns << "Failed to build floater type: '" << name << "'." << llendl;
					return NULL;
				}
					
				// Note: key should eventually be a non optional LLFloater arg; for now, set mKey to be safe
				res->mKey = key;
				res->setInstanceName(name);
				
				// AO: Mark certain floaters (sidebar tab floaters) as needing to be pseudo-hidden on minimization.
				// At the moment we flag this pseudo hiding with the presence of a dummy control in floater_side_bar_tab.xml
				// and the name of the floater window. This should be refactored into a floater attribute.
				llinfos << "trying to restore variables for name: " << name << llendl;
				std::string pat = "side_bar_tab";
				size_t found = name.find(pat);
				if (found!=std::string::npos)
				{
					if (!res->hasChild("showMinimized"))
						res->setHideOnMinimize(true);
				}
				
				res->applySavedVariables(); // Can't apply rect and dock state until setting instance name
				if (res->mAutoTile && !res->getHost() && index > 0)
				{
					const LLRect& cur_rect = res->getRect();
					LLRect next_rect = getFloaterRect(groupname);
					next_rect.setLeftTopAndSize(next_rect.mLeft, next_rect.mTop, cur_rect.getWidth(), cur_rect.getHeight());
					res->setRect(next_rect);
					res->setRectControl(LLStringUtil::null); // don't save rect of tiled floaters
					gFloaterView->adjustToFitScreen(res, true);
				}
				else
				{
					gFloaterView->adjustToFitScreen(res, false);
				}
				list.push_back(res);
			}
		}
		if (!res)
		{
			llwarns << "Floater type: '" << name << "' not registered." << llendl;
		}
	}
	return res;
}