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/*
* Aethyra
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of Aethyra based on original code
* from The Mana World.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sstream>
#include <guichan/font.hpp>
#include "textbox.h"
TextBox::TextBox():
gcn::TextBox()
{
setOpaque(false);
setFrameSize(0);
mMinWidth = getWidth();
}
void TextBox::setTextWrapped(const std::string &text, int minDimension)
{
// Make sure parent scroll area sets width of this widget
if (getParent())
{
getParent()->logic();
}
// Take the supplied minimum dimension as a starting point and try to beat it
mMinWidth = minDimension;
std::stringstream wrappedStream;
std::string::size_type newlinePos, lastNewlinePos = 0;
int minWidth = 0;
int xpos;
do
{
// Determine next piece of string to wrap
newlinePos = text.find("\n", lastNewlinePos);
if (newlinePos == std::string::npos)
{
newlinePos = text.size();
}
std::string line =
text.substr(lastNewlinePos, newlinePos - lastNewlinePos);
std::string::size_type spacePos, lastSpacePos = 0;
xpos = 0;
spacePos = text.rfind(" ", text.size());
if (spacePos != std::string::npos)
{
const std::string word = text.substr(spacePos + 1);
const int length = getFont()->getWidth(word);
if (length > mMinWidth)
mMinWidth = length;
}
do
{
spacePos = line.find(" ", lastSpacePos);
if (spacePos == std::string::npos)
{
spacePos = line.size();
}
std::string word =
line.substr(lastSpacePos, spacePos - lastSpacePos);
int width = getFont()->getWidth(word);
if (xpos != 0 && xpos + width + getFont()->getWidth(" ") <= mMinWidth)
{
xpos += width + getFont()->getWidth(" ");
wrappedStream << " " << word;
}
else if (lastSpacePos == 0)
{
xpos += width;
wrappedStream << word;
}
else
{
if (xpos > minWidth)
minWidth = xpos;
// The window wasn't big enough. Resize it and try again.
if (minWidth > mMinWidth)
{
mMinWidth = minWidth;
wrappedStream.clear();
wrappedStream.str("");
spacePos = 0;
lastNewlinePos = 0;
newlinePos = text.find("\n", lastNewlinePos);
if (newlinePos == std::string::npos)
newlinePos = text.size();
line = text.substr(lastNewlinePos, newlinePos -
lastNewlinePos);
width = 0;
break;
}
else
{
wrappedStream << "\n" << word;
}
xpos = width;
}
lastSpacePos = spacePos + 1;
}
while (spacePos != line.size());
if (text.find("\n", lastNewlinePos) != std::string::npos)
wrappedStream << "\n";
lastNewlinePos = newlinePos + 1;
}
while (newlinePos != text.size());
if (xpos > minWidth)
minWidth = xpos;
mMinWidth = minWidth;
gcn::TextBox::setText(wrappedStream.str());
}
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