93 lines
2.5 KiB
C++
93 lines
2.5 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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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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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 , const LLStyle::Params& input_params )
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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, input_params);
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}
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