99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/**
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* @file llchatmsgbox.cpp
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* @author Martin Reddy
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* @brief chat history text box, able to show array of strings with separator
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*
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* $LicenseInfo:firstyear=2009&license=viewergpl$
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*
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* Copyright (c) 2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llchatmsgbox.h"
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#include "llwindow.h"
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static LLDefaultChildRegistry::Register<LLChatMsgBox> r("text_chat");
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class ChatSeparator : public LLTextSegment
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{
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public:
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ChatSeparator(S32 start, S32 end)
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: LLTextSegment(start, end),
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mEditor(NULL)
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{}
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/*virtual*/ void linkToDocument(class LLTextBase* editor)
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{
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mEditor = editor;
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}
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/*virtual*/ void unlinkFromDocument(class LLTextBase* editor)
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{
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mEditor = NULL;
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}
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/*virtual*/ S32 getWidth(S32 first_char, S32 num_chars) const
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{
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return mEditor->getDocumentView()->getRect().getWidth();
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}
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/*virtual*/ F32 draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRect& draw_rect)
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{
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gl_line_2d(draw_rect.mLeft + 5, draw_rect.getCenterY(), draw_rect.mRight - 5, draw_rect.getCenterY(), LLColor4::grey);
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return draw_rect.getWidth();
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}
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private:
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LLTextBase* mEditor;
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};
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LLChatMsgBox::Params::Params() :
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block_spacing("block_spacing", 10)
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{
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line_spacing.pixels = 4;
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}
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LLChatMsgBox::LLChatMsgBox(const Params& p) :
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LLTextBox(p),
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mBlockSpacing(p.block_spacing)
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{}
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void LLChatMsgBox::addText( const LLStringExplicit& text )
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{
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S32 length = getLength();
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// if there is existing text, add a separator
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if (length > 0)
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{
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// chat separator exists right before the null terminator
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insertSegment(new ChatSeparator(length - 1, length - 1));
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}
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// prepend newline only if there is some existing text
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appendText(text, length > 0);
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}
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