/** * @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->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); }