C++ LLFloaterPay类代码示例

// static
void LLFloaterPay::payViaObject(money_callback callback, const LLUUID& object_id)
{
	LLViewerObject* object = gObjectList.findObject(object_id);
	if (!object) return;
	
	LLFloaterPay *floater = new LLFloaterPay("Give L$", callback, object_id, TRUE);
	if (!floater) return;

	LLSelectNode* node = floater->mObjectSelection->getFirstRootNode();
	if (!node) 
	{
		//FIXME: notify user object no longer exists
		floater->close();
		return;
	}
	
	LLHost target_region = object->getRegion()->getHost();
	
	LLMessageSystem* msg = gMessageSystem;
	msg->newMessageFast(_PREHASH_RequestPayPrice);
	msg->nextBlockFast(_PREHASH_ObjectData);
	msg->addUUIDFast(_PREHASH_ObjectID, object_id);
	msg->sendReliable(target_region);
	msg->setHandlerFuncFast(_PREHASH_PayPriceReply, processPayPriceReply,(void **)floater);
	
	LLUUID owner_id;
	BOOL is_group = FALSE;
	node->mPermissions->getOwnership(owner_id, is_group);
	
	floater->childSetText("object_name_text",node->mName);

	floater->finishPayUI(owner_id, is_group);
}

// static
void LLFloaterPay::onCancel(void* data)
{
	LLFloaterPay* self = reinterpret_cast<LLFloaterPay*>(data);
	if(self)
	{
		self->closeFloater();
	}
}

// static
void LLFloaterPay::onKeystroke(LLLineEditor*, void* data)
{
	LLFloaterPay* self = reinterpret_cast<LLFloaterPay*>(data);
	if(self)
	{
		// enable the Pay button when amount is non-empty and positive, disable otherwise
		std::string amtstr = self->childGetText("amount");
		self->childSetEnabled("pay btn", !amtstr.empty() && atoi(amtstr.c_str()) > 0);
	}
}

// static
void LLFloaterPay::onKeystroke(LLLineEditor*, void* data)
{
	LLFloaterPay* self = reinterpret_cast<LLFloaterPay*>(data);
	if(self)
	{
		// enable the Pay button when amount is non-empty and positive, disable otherwise
		std::string amtstr = self->getChild<LLUICtrl>("amount")->getValue().asString();
		self->getChildView("pay btn")->setEnabled(!amtstr.empty() && atoi(amtstr.c_str()) > 0);
	}
}

// static
void LLFloaterPay::payViaObject(money_callback callback, LLSafeHandle<LLObjectSelection> selection)
{
	// Object that lead to the selection, may be child
	LLViewerObject* object = selection->getPrimaryObject();
	if (!object)
		return;
	
	LLFloaterPay *floater = LLFloaterReg::showTypedInstance<LLFloaterPay>("pay_object", LLSD(object->getID()));
	if (!floater)
		return;
	
	floater->setCallback(callback);
	// Hold onto the selection until we close
	floater->mObjectSelection = selection;

	LLSelectNode* node = selection->getFirstRootNode();
	if (!node) 
	{
		//FIXME: notify user object no longer exists
		floater->closeFloater();
		return;
	}
	
	LLHost target_region = object->getRegion()->getHost();
	
	LLMessageSystem* msg = gMessageSystem;
	msg->newMessageFast(_PREHASH_RequestPayPrice);
	msg->nextBlockFast(_PREHASH_ObjectData);
	msg->addUUIDFast(_PREHASH_ObjectID, object->getID());
	msg->sendReliable(target_region);
	msg->setHandlerFuncFast(_PREHASH_PayPriceReply, processPayPriceReply,(void **)floater);
	
	LLUUID owner_id;
	BOOL is_group = FALSE;
	node->mPermissions->getOwnership(owner_id, is_group);
	
	floater->childSetText("object_name_text",node->mName);

	floater->finishPayUI(owner_id, is_group);
}

// static
void LLFloaterPay::onCacheOwnerName(const LLUUID& owner_id,
									const std::string& firstname,
									const std::string& lastname,
									BOOL is_group,
									void* userdata)
{
	LLFloaterPay* self = (LLFloaterPay*)userdata;
	if (!self) return;
	
	if (is_group)
	{
		self->childSetVisible("payee_group",true);
		self->childSetVisible("payee_resident",false);
	}
	else
	{
		self->childSetVisible("payee_group",false);
		self->childSetVisible("payee_resident",true);
	}
	
	self->childSetTextArg("payee_name", "[FIRST]", firstname);
	self->childSetTextArg("payee_name", "[LAST]", lastname);
}

// static
void LLFloaterPay::processPayPriceReply(LLMessageSystem* msg, void **userdata)
{
	LLFloaterPay* self = (LLFloaterPay*)userdata;
	if (self)
	{
		S32 price;
		LLUUID target;

		msg->getUUIDFast(_PREHASH_ObjectData,_PREHASH_ObjectID,target);
		if (target != self->mTargetUUID)
		{
			// This is a message for a different object's pay info
			return;
		}

		msg->getS32Fast(_PREHASH_ObjectData,_PREHASH_DefaultPayPrice,price);
		
		if (PAY_PRICE_HIDE == price)
		{
			self->childSetVisible("amount", FALSE);
			self->childSetVisible("pay btn", FALSE);
			self->childSetVisible("amount text", FALSE);
		}
		else if (PAY_PRICE_DEFAULT == price)
		{			
			self->childSetVisible("amount", TRUE);
			self->childSetVisible("pay btn", TRUE);
			self->childSetVisible("amount text", TRUE);
		}
		else
		{
			// PAY_PRICE_HIDE and PAY_PRICE_DEFAULT are negative values
			// So we take the absolute value here after we have checked for those cases
			
			self->childSetVisible("amount", TRUE);
			self->childSetVisible("pay btn", TRUE);
			self->childSetEnabled("pay btn", TRUE);
			self->childSetVisible("amount text", TRUE);

			self->childSetText("amount", llformat("%d", llabs(price)));
		}

		S32 num_blocks = msg->getNumberOfBlocksFast(_PREHASH_ButtonData);
		S32 i = 0;
		if (num_blocks > MAX_PAY_BUTTONS) num_blocks = MAX_PAY_BUTTONS;

		S32 max_pay_amount = 0;
		S32 padding_required = 0;

		for (i=0;i<num_blocks;++i)
		{
			S32 pay_button;
			msg->getS32Fast(_PREHASH_ButtonData,_PREHASH_PayButton,pay_button,i);
			if (pay_button > 0)
			{
				std::string button_str = "L$";
				button_str += LLResMgr::getInstance()->getMonetaryString( pay_button );

				self->mQuickPayButton[i]->setLabelSelected(button_str);
				self->mQuickPayButton[i]->setLabelUnselected(button_str);
				self->mQuickPayButton[i]->setVisible(TRUE);
				self->mQuickPayInfo[i]->mAmount = pay_button;
				self->childSetVisible("fastpay text",TRUE);

				if ( pay_button > max_pay_amount )
				{
					max_pay_amount = pay_button;
				}
			}
			else
			{
				self->mQuickPayButton[i]->setVisible(FALSE);
			}
		}

		// build a string containing the maximum value and calc nerw button width from it.
		std::string balance_str = "L$";
		balance_str += LLResMgr::getInstance()->getMonetaryString( max_pay_amount );
		const LLFontGL* font = LLFontGL::getFontSansSerif();
		S32 new_button_width = font->getWidth( std::string(balance_str));
		new_button_width += ( 12 + 12 );	// padding

		// dialong is sized for 2 digit pay amounts - larger pay values need to be scaled
		const S32 threshold = 100000;
		if ( max_pay_amount >= threshold )
		{
			S32 num_digits_threshold = (S32)log10((double)threshold) + 1;
			S32 num_digits_max = (S32)log10((double)max_pay_amount) + 1;
				
			// calculate the extra width required by 2 buttons with max amount and some commas
			padding_required = ( num_digits_max - num_digits_threshold + ( num_digits_max / 3 ) ) * font->getWidth( std::string("0") );
		};

		// change in button width
		S32 button_delta = new_button_width - FASTPAY_BUTTON_WIDTH;
		if ( button_delta < 0 ) 
			button_delta = 0;

		// now we know the maximum amount, we can resize all the buttons to be 
//.........这里部分代码省略.........