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/**
* @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");
class ChatSeparator : public LLTextSegment
{
public:
ChatSeparator(S32 start, S32 end)
: LLTextSegment(start, end),
mEditor(NULL)
{}
/*virtual*/ void linkToDocument(class LLTextBase* editor)
{
mEditor = editor;
}
/*virtual*/ void unlinkFromDocument(class LLTextBase* editor)
{
mEditor = NULL;
}
/*virtual*/ S32 getWidth(S32 first_char, S32 num_chars) const
{
return mEditor->getDocumentPanel()->getRect().getWidth();
}
/*virtual*/ F32 draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRect& draw_rect)
{
gl_line_2d(draw_rect.mLeft + 5, draw_rect.getCenterY(), draw_rect.mRight - 5, draw_rect.getCenterY(), LLColor4::grey);
return draw_rect.getWidth();
}
private:
LLTextBase* mEditor;
};
LLChatMsgBox::Params::Params() :
block_spacing("block_spacing", 10)
{
line_spacing.pixels = 4;
}
LLChatMsgBox::LLChatMsgBox(const Params& p) :
LLTextBox(p),
mBlockSpacing(p.block_spacing)
{}
void LLChatMsgBox::addText( const LLStringExplicit& text )
{
S32 length = getLength();
// if there is existing text, add a separator
if (length > 0)
{
// chat separator exists right before the null terminator
insertSegment(new ChatSeparator(length - 1, length - 1));
}
// prepend newline only if there is some existing text
appendText(text, length > 0);
}
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