C++ LLNotificationPtr::isReusable方法代码示例

//.........这里部分代码省略.........
		mTextBox = getChild<LLTextEditor>("text_editor_box"); 
	}

	// *TODO: magic numbers(???) - copied from llnotify.cpp(250)
	const S32 MAX_LENGTH = 512 + 20 + DB_FIRST_NAME_BUF_SIZE + DB_LAST_NAME_BUF_SIZE + DB_INV_ITEM_NAME_BUF_SIZE; 

	mTextBox->setMaxTextLength(MAX_LENGTH);
	mTextBox->setVisible(TRUE);
	mTextBox->setValue(notification->getMessage());

	// add buttons for a script notification
	if (mIsTip)
	{
		adjustPanelForTipNotice();
	}
	else
	{
		std::vector<index_button_pair_t> buttons;
		buttons.reserve(mNumOptions);
		S32 buttons_width = 0;
		// create all buttons and accumulate they total width to reshape mControlPanel
		for (S32 i = 0; i < mNumOptions; i++)
		{
			LLSD form_element = form->getElement(i);
			if (form_element["type"].asString() != "button")
			{
				continue;
			}
			LLButton* new_button = createButton(form_element, TRUE);
			buttons_width += new_button->getRect().getWidth();
			S32 index = form_element["index"].asInteger();
			buttons.push_back(index_button_pair_t(index,new_button));
		}
		if (buttons.empty())
		{
			addDefaultButton();
		}
		else
		{
			const S32 button_panel_width = mControlPanel->getRect().getWidth();// do not change width of the panel
			S32 button_panel_height = mControlPanel->getRect().getHeight();
			//try get an average h_pad to spread out buttons
			S32 h_pad = (button_panel_width - buttons_width) / (S32(buttons.size()));
			if(h_pad < 2*HPAD)
			{
				/*
				 * Probably it is  a scriptdialog toast
				 * for a scriptdialog toast h_pad can be < 2*HPAD if we have a lot of buttons.
				 * In last case set default h_pad to avoid heaping of buttons 
				 */
				S32 button_per_row = button_panel_width / BUTTON_WIDTH;
				h_pad = (button_panel_width % BUTTON_WIDTH) / (button_per_row - 1);// -1  because we do not need space after last button in a row   
				if(h_pad < 2*HPAD) // still not enough space between buttons ?
				{
					h_pad = 2*HPAD;
				}
			}
			if (mIsScriptDialog)
			{
				// we are using default width for script buttons so we can determinate button_rows
				//to get a number of rows we divide the required width of the buttons to button_panel_width
				S32 button_rows = llceil(F32(buttons.size() - 1) * (BUTTON_WIDTH + h_pad) / button_panel_width);
				//S32 button_rows = (buttons.size() - 1) * (BUTTON_WIDTH + h_pad) / button_panel_width;
				//reserve one row for the ignore_btn
				button_rows++;
				//calculate required panel height for scripdialog notification.
				button_panel_height = button_rows * (BTN_HEIGHT + VPAD)	+ IGNORE_BTN_TOP_DELTA + BOTTOM_PAD;
			}
			else
			{
				// in common case buttons can have different widths so we need to calculate button_rows according to buttons_width
				//S32 button_rows = llceil(F32(buttons.size()) * (buttons_width + h_pad) / button_panel_width);
				S32 button_rows = llceil(F32((buttons.size() - 1) * h_pad + buttons_width) / button_panel_width);
				//calculate required panel height 
				button_panel_height = button_rows * (BTN_HEIGHT + VPAD)	+ BOTTOM_PAD;
			}
		
			// we need to keep min width and max height to make visible all buttons, because width of the toast can not be changed
			adjustPanelForScriptNotice(button_panel_width, button_panel_height);
			updateButtonsLayout(buttons, h_pad);
			// save buttons for later use in disableButtons()
			mButtons.assign(buttons.begin(), buttons.end());
		}
	}
	// adjust panel's height to the text size
	mInfoPanel->setFollowsAll();
	snapToMessageHeight(mTextBox, MAX_LENGTH);

	if(notification->isReusable())
	{
		mButtonClickConnection = sButtonClickSignal.connect(
			boost::bind(&LLToastNotifyPanel::onToastPanelButtonClicked, this, _1, _2));

		if(notification->isRespondedTo())
		{
			// User selected an option in toast, now disable required buttons in IM window
			disableRespondedOptions(notification);
		}
	}
}