C++ LLWString::substr方法代码示例

// If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
// Otherwise returns input and channel 0.
LLWString LLChatBar::stripChannelNumber(const LLWString &mesg, S32* channel)
{
	if (mesg[0] == '/'
		&& mesg[1] == '/')
	{
		// This is a "repeat channel send"
		*channel = mLastSpecialChatChannel;
		return mesg.substr(2, mesg.length() - 2);
	}
	else if (mesg[0] == '/'
			 && mesg[1]
			 && ( LLStringOps::isDigit(mesg[1]) 
				// <edit>
				|| mesg[1] == '-' ))
				// </edit>
	{
		// This a special "/20" speak on a channel
		S32 pos = 0;
		// <edit>
		if(mesg[1] == '-')
			pos++;
		// </edit>
		// Copy the channel number into a string
		LLWString channel_string;
		llwchar c;
		do
		{
			c = mesg[pos+1];
			channel_string.push_back(c);
			pos++;
		}
		while(c && pos < 64 && LLStringOps::isDigit(c));
		
		// Move the pointer forward to the first non-whitespace char
		// Check isspace before looping, so we can handle "/33foo"
		// as well as "/33 foo"
		while(c && iswspace(c))
		{
			c = mesg[pos+1];
			pos++;
		}
		
		mLastSpecialChatChannel = strtol(wstring_to_utf8str(channel_string).c_str(), NULL, 10);
		// <edit>
		if(mesg[1] == '-')
			mLastSpecialChatChannel = -mLastSpecialChatChannel;
		// </edit>
		*channel = mLastSpecialChatChannel;
		return mesg.substr(pos, mesg.length() - pos);
	}
	else
	{
		// This is normal chat.
		*channel = 0;
		return mesg;
	}
}

void LLConsole::addQueuedLines()
{
	for (line_queue_t::iterator iter = mLineQueue.begin();
		 iter != mLineQueue.end(); ++iter)
	{
		LineInfo& line_info = *iter;
		LLWString wline = line_info.wline;
		//F32 size = line_info.size;
		LLColor4 color = line_info.color;
		if (!wline.empty() && mFont != NULL)
		{
			// Wrap lines that are longer than the view is wide.
			S32 offset = 0;
			while( offset < (S32)wline.length() )
			{
				S32 skip_chars; // skip '\n'
				// Figure out if a word-wrapped line fits here.
				LLWString::size_type line_end = wline.find_first_of(llwchar('\n'), offset);
				if (line_end != LLWString::npos)
				{
					skip_chars = 1; // skip '\n'
				}
				else
				{
					line_end = wline.size();
					skip_chars = 0;
				}
				U32 drawable = mFont->maxDrawableChars(wline.c_str()+offset, (F32)mRect.getWidth(), line_end-offset, TRUE);
				if (drawable != 0)
				{
					LLFixedBuffer::addLine(wline.substr(offset, drawable));
					mAddTimes[mAddTimes.size()-1] = line_info.add_time;
				}
				else
				{
					// force a blank line
					LLFixedBuffer::addLine(" ");
				}
				mColors.push_back(color);
				offset += (drawable + skip_chars);
			}
		}
	}
	mLineQueue.clear();
}

void LLClipboard::copyFromPrimarySubstring(const LLWString &src, S32 pos, S32 len, const LLUUID& source_id )
{
	mSourceID = source_id;
	mString = src.substr(pos, len);
	LLView::getWindow()->copyTextToPrimary( mString );
}

// If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
// Otherwise returns input and channel 0.
LLWString FSNearbyChat::stripChannelNumber(const LLWString &mesg, S32* channel, S32* last_channel, bool* is_set)
{
	*is_set = false;

	if (mesg[0] == '/'
		&& mesg[1] == '/')
	{
		// This is a "repeat channel send"
		*is_set = true;
		*channel = *last_channel;
		return mesg.substr(2, mesg.length() - 2);
	}
	else if (mesg[0] == '/'
			 && mesg[1]
	//<FS:TS> FIRE-11412: Allow saying /-channel for negative numbers
	//        (this code was here; documenting for the future)
			 //&& LLStringOps::isDigit(mesg[1]))
			 && (LLStringOps::isDigit(mesg[1])
				 || (mesg[1] == '-'
				 	&& mesg[2]
				 	&& LLStringOps::isDigit(mesg[2]))))
	//</FS:TS> FIRE-11412
	{
		// This a special "/20" speak on a channel
		*is_set = true;
		S32 pos = 0;
		//<FS:TS> FIRE-11412: Allow saying /-channel for negative numbers
		//        (this code was here; documenting for the future)
		if (mesg[1] == '-')
		{
			pos++;
		}
		//</FS:TS> FIRE-11412
		
		// Copy the channel number into a string
		LLWString channel_string;
		llwchar c;
		do
		{
			c = mesg[pos + 1];
			channel_string.push_back(c);
			pos++;
		}
		while (c && pos < 64 && LLStringOps::isDigit(c));
		
		// Move the pointer forward to the first non-whitespace char
		// Check isspace before looping, so we can handle "/33foo"
		// as well as "/33 foo"
		while (c && iswspace(c))
		{
			c = mesg[pos+1];
			pos++;
		}
		
		*last_channel = strtol(wstring_to_utf8str(channel_string).c_str(), NULL, 10);
		//<FS:TS> FIRE-11412: Allow saying /-channel for negative numbers
		//        (this code was here; documenting for the future)
		if (mesg[1] == '-')
		{
			*last_channel = -(*last_channel);
		}
		//</FS:TS> FIRE-11412
		*channel = *last_channel;
		return mesg.substr(pos, mesg.length() - pos);
	}
	else
	{
		// This is normal chat.
		*channel = 0;
		return mesg;
	}
}

// Concatenate the input string to the LL and the system clipboard
bool LLClipboard::addToClipboard(const LLWString &src, S32 pos, S32 len, bool use_primary)
{
	mString = src.substr(pos, len);
	return (use_primary ? LLView::getWindow()->copyTextToPrimary(mString) : LLView::getWindow()->copyTextToClipboard(mString));
}

//.........这里部分代码省略.........
//	shadow_imagep->draw( background_box_left + 2, 
//									background_box_bottom - 2, 
//									background_box_width, 
//									background_box_height,
//									gColors.getColor( "LoginProgressBoxShadowColor" ) );
//	bar_outline_imagep->draw( background_box_left, 
//									background_box_bottom, 
//									background_box_width, 
//									background_box_height,
//									gColors.getColor("LoginProgressBoxBorderColor") );

	bar_imagep->draw( background_box_left + 1,
									background_box_bottom + 1, 
									background_box_width - 2,
									background_box_height - 2,
									gColors.getColor("LoginProgressBoxCenterColor") );

	// we'll need this later for catching a click if it looks like it contains a link
	if ( mMessage.find( "http://" ) != std::string::npos )
		mOutlineRect.set( background_box_left, background_box_top, background_box_right, background_box_bottom );
	else
		mOutlineRect.set( 0, 0, 0, 0 );

	// draw loading bar
	font->renderUTF8(top_line, 0,
		line_x, line_one_y,
		//LLColor4::white,
		gColors.getColor("LoginProgressBoxTextColor"),
		LLFontGL::HCENTER, LLFontGL::BASELINE,
		LLFontGL::DROP_SHADOW);
	font->renderUTF8(mText, 0,
		line_x, line_two_y,
		//LLColor4::white,
		gColors.getColor("LoginProgressBoxTextColor"),
		LLFontGL::HCENTER, LLFontGL::BASELINE,
		LLFontGL::DROP_SHADOW);
		
//	shadow_imagep->draw(
//		bar_left + 2, 
//		bar_bottom - 2, 
//		bar_width, 
//		bar_height,
//		gColors.getColor("LoginProgressBoxShadowColor"));

//	bar_imagep->draw(
//		bar_left, 
//		bar_bottom, 
//		bar_width, 
//		bar_height,
//		LLColor4(0.7f, 0.7f, 0.8f, 1.0f));

	bar_bg_imagep->draw(
		bar_left + 2, 
		bar_bottom + 2,
		bar_width - 4, 
		bar_height - 4,
		background_color);

	LLColor4 bar_color = gColors.getColor("LoginProgressBarFgColor");
	bar_color.mV[3] = alpha;
	bar_fg_imagep->draw(
		bar_left + 2, 
		bar_bottom + 2,
		llround((bar_width - 4) * (mPercentDone / 100.f)), 
		bar_height - 4,
		bar_color);

	S32 line_three_y = line_two_y - LINE_SPACING * 3;
	
	// draw the message if there is one
	if(!mMessage.empty())
	{
		LLColor4 text_message_color = gColors.getColor("LoginProgressBoxTextColor");
		LLWString wmessage = utf8str_to_wstring(mMessage);
		const F32 MAX_PIXELS = 640.0f;
		S32 chars_left = wmessage.length();
		S32 chars_this_time = 0;
		S32 msgidx = 0;
		while(chars_left > 0)
		{
			chars_this_time = font->maxDrawableChars(wmessage.substr(msgidx).c_str(),
													 MAX_PIXELS,
													 MAX_STRING - 1,
													 TRUE);
			LLWString wbuffer = wmessage.substr(msgidx, chars_this_time);
			font->render(wbuffer, 0,
						 (F32)line_x, (F32)line_three_y,
						 //LLColor4::white,
						 gColors.getColor("LoginProgressBoxTextColor"),
						 LLFontGL::HCENTER, LLFontGL::BASELINE,
						 LLFontGL::DROP_SHADOW);
			msgidx += chars_this_time;
			chars_left -= chars_this_time;
			line_three_y -= LINE_SPACING;
		}
	}

	// draw children
	LLView::draw();
}