1 files changed, 126 insertions, 0 deletions
diff --git a/indra/newview/llchatmsgbox.cpp b/indra/newview/llchatmsgbox.cpp
new file mode 100644
index 0000000000..e6398dd47a
--- /dev/null
+++ b/indra/newview/llchatmsgbox.cpp
@@ -0,0 +1,126 @@
+/** 
+ * @file llchatmsgbox.cpp
+ * @author Martin Reddy
+ * @brief chat history text box, able to show array of strings with separator
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * 
+ * Copyright (c) 2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llchatmsgbox.h"
+#include "llwindow.h"
+
+
+static LLDefaultChildRegistry::Register<LLChatMsgBox> r("text_chat");
+
+LLChatMsgBox::Params::Params() :
+	block_spacing("block_spacing", 10)
+{
+	line_spacing = 4;
+}
+
+LLChatMsgBox::LLChatMsgBox(const Params& p) :
+	LLTextBox(p),
+	mBlockSpacing(p.block_spacing)
+{}
+
+void LLChatMsgBox::addText( const LLStringExplicit& text )
+{
+	LLWString t = mText.getWString();
+	if (! t.empty())
+	{
+		t += '\n';
+	}
+	t += getWrappedText(text);
+	LLTextBox::setText(wstring_to_utf8str(t));
+	mSeparatorOffset.push_back(getLength());
+}
+
+void LLChatMsgBox::setText(const LLStringExplicit& text)
+{
+	mSeparatorOffset.clear();
+	mText.clear();
+	addText(text);
+}
+
+void LLChatMsgBox::setValue(const LLSD& value )
+{ 
+	setText(value.asString());
+}
+
+S32 LLChatMsgBox::getTextPixelHeight()
+{
+	S32 num_blocks = mSeparatorOffset.size();
+	S32 num_lines = getTextLinesNum();
+	return (S32)(num_lines * mDefaultFont->getLineHeight() + \
+				 (num_lines-1) * mLineSpacing + \
+				 (num_blocks-1) * mBlockSpacing + \
+				 2 * mLineSpacing);
+}
+
+S32 LLChatMsgBox::getTextLinesNum()
+{
+	S32 num_lines = getLineCount();
+	if (num_lines < 1)
+	{
+		num_lines = 1;
+	}
+	
+	return num_lines;
+}
+
+void LLChatMsgBox::drawText(S32 x, S32 y, const LLWString &text, const LLColor4 &color)
+{
+	S32 start = 0;
+	S32 width = getRect().getWidth()-10;
+
+	// iterate through each block of text that has been added
+	y -= mLineSpacing;
+	for (std::vector<S32>::iterator it = mSeparatorOffset.begin(); true ;)
+	{
+		// display the text for this block
+		S32 num_chars = *it - start;
+		LLWString text = mDisplayText.substr(start, num_chars);
+		LLTextBox::drawText(x, y, text, color);
+		
+		// exit the loop if this is the last text block
+		start += num_chars + 1;  // skip the newline
+		if (++it == mSeparatorOffset.end())
+		{
+			break;
+		}
+
+		// output a separator line between blocks
+		S32 num_lines = std::count(text.begin(), text.end(), '\n') + 1;
+		y -= num_lines * (llfloor(mDefaultFont->getLineHeight()) + mLineSpacing);
+		S32 sep_y = y - mBlockSpacing/2 + mLineSpacing/2;
+		gl_line_2d(5, sep_y, width, sep_y, LLColor4::grey);
+		y -= mBlockSpacing;
+	}
+}