/indra/newview/llchatmsgbox.cpp
C++ | 92 lines | 49 code | 14 blank | 29 comment | 1 complexity | 9f9a31c7866e7d9d2a862bed41193e64 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llchatmsgbox.cpp
- * @author Martin Reddy
- * @brief chat history text box, able to show array of strings with separator
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
- #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)
- {
- changeDefault(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);
- }