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/**
* @file lltextutil.cpp
* @brief Misc text-related auxiliary methods
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* 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 "lltextutil.h"
#include "lluicolor.h"
#include "lltextbox.h"
#include "llurlmatch.h"
boost::function<bool(LLUrlMatch*,LLTextBase*)> LLTextUtil::TextHelpers::iconCallbackCreationFunction = 0;
void LLTextUtil::textboxSetHighlightedVal(LLTextBox *txtbox, const LLStyle::Params& normal_style, const std::string& text, const std::string& hl)
{
static LLUIColor sFilterTextColor = LLUIColorTable::instance().getColor("FilterTextColor", LLColor4::green);
std::string text_uc = text;
LLStringUtil::toUpper(text_uc);
size_t hl_begin = 0, hl_len = hl.size();
if (hl_len == 0 || (hl_begin = text_uc.find(hl)) == std::string::npos)
{
txtbox->setText(text, normal_style);
return;
}
LLStyle::Params hl_style = normal_style;
hl_style.color = sFilterTextColor;
txtbox->setText(LLStringUtil::null); // clear text
txtbox->appendText(text.substr(0, hl_begin), false, normal_style);
txtbox->appendText(text.substr(hl_begin, hl_len), false, hl_style);
txtbox->appendText(text.substr(hl_begin + hl_len), false, normal_style);
}
void LLTextUtil::textboxSetGreyedVal(LLTextBox *txtbox, const LLStyle::Params& normal_style, const std::string& text, const std::string& greyed)
{
static LLUIColor sGreyedTextColor = LLUIColorTable::instance().getColor("Gray", LLColor4::grey);
size_t greyed_begin = 0, greyed_len = greyed.size();
if (greyed_len == 0 || (greyed_begin = text.find(greyed)) == std::string::npos)
{
txtbox->setText(text, normal_style);
return;
}
LLStyle::Params greyed_style = normal_style;
greyed_style.color = sGreyedTextColor;
txtbox->setText(LLStringUtil::null); // clear text
txtbox->appendText(text.substr(0, greyed_begin), false, normal_style);
txtbox->appendText(text.substr(greyed_begin, greyed_len), false, greyed_style);
txtbox->appendText(text.substr(greyed_begin + greyed_len), false, normal_style);
}
bool LLTextUtil::processUrlMatch(LLUrlMatch* match,LLTextBase* text_base, bool is_content_trusted)
{
if (match == 0 || text_base == 0)
return false;
if(match->getID() != LLUUID::null && TextHelpers::iconCallbackCreationFunction)
{
bool segment_created = TextHelpers::iconCallbackCreationFunction(match,text_base);
if(segment_created)
return true;
}
// output an optional icon before the Url
if (is_content_trusted && !match->getIcon().empty() )
{
LLUIImagePtr image = LLUI::getUIImage(match->getIcon());
if (image)
{
LLStyle::Params icon;
icon.image = image;
// Text will be replaced during rendering with the icon,
// but string cannot be empty or the segment won't be
// added (or drawn).
text_base->appendImageSegment(icon);
return true;
}
}
return false;
}
// EOF
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