112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/**
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* @file lltextutil.cpp
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* @brief Misc text-related auxiliary methods
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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 "lltextutil.h"
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#include "lluicolor.h"
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#include "lltextbox.h"
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#include "llurlmatch.h"
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boost::function<bool(LLUrlMatch*,LLTextBase*)> LLTextUtil::TextHelpers::iconCallbackCreationFunction = 0;
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void LLTextUtil::textboxSetHighlightedVal(LLTextBox *txtbox, const LLStyle::Params& normal_style, const std::string& text, const std::string& hl)
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{
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static LLUIColor sFilterTextColor = LLUIColorTable::instance().getColor("FilterTextColor", LLColor4::green);
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std::string text_uc = text;
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LLStringUtil::toUpper(text_uc);
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size_t hl_begin = 0, hl_len = hl.size();
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if (hl_len == 0 || (hl_begin = text_uc.find(hl)) == std::string::npos)
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{
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txtbox->setText(text, normal_style);
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return;
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}
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LLStyle::Params hl_style = normal_style;
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hl_style.color = sFilterTextColor;
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txtbox->setText(LLStringUtil::null); // clear text
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txtbox->appendText(text.substr(0, hl_begin), false, normal_style);
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txtbox->appendText(text.substr(hl_begin, hl_len), false, hl_style);
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txtbox->appendText(text.substr(hl_begin + hl_len), false, normal_style);
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}
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void LLTextUtil::textboxSetGreyedVal(LLTextBox *txtbox, const LLStyle::Params& normal_style, const std::string& text, const std::string& greyed)
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{
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static LLUIColor sGreyedTextColor = LLUIColorTable::instance().getColor("Gray", LLColor4::grey);
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size_t greyed_begin = 0, greyed_len = greyed.size();
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if (greyed_len == 0 || (greyed_begin = text.find(greyed)) == std::string::npos)
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{
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txtbox->setText(text, normal_style);
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return;
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}
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LLStyle::Params greyed_style = normal_style;
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greyed_style.color = sGreyedTextColor;
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txtbox->setText(LLStringUtil::null); // clear text
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txtbox->appendText(text.substr(0, greyed_begin), false, normal_style);
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txtbox->appendText(text.substr(greyed_begin, greyed_len), false, greyed_style);
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txtbox->appendText(text.substr(greyed_begin + greyed_len), false, normal_style);
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}
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bool LLTextUtil::processUrlMatch(LLUrlMatch* match,LLTextBase* text_base, bool is_content_trusted)
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{
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if (match == 0 || text_base == 0)
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return false;
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if(match->getID() != LLUUID::null && TextHelpers::iconCallbackCreationFunction)
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{
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bool segment_created = TextHelpers::iconCallbackCreationFunction(match,text_base);
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if(segment_created)
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return true;
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}
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// output an optional icon before the Url
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if (is_content_trusted && !match->getIcon().empty() )
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{
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LLUIImagePtr image = LLUI::getUIImage(match->getIcon());
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if (image)
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{
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LLStyle::Params icon;
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icon.image = image;
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// Text will be replaced during rendering with the icon,
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// but string cannot be empty or the segment won't be
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// added (or drawn).
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text_base->appendImageSegment(icon);
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return true;
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}
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}
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return false;
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}
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// EOF
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