llchatmsgbox.cpp
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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) 2009-2010, 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->getDocumentView()->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 , const LLStyle::Params& input_params )
- {
- 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, input_params);
- }