diff options
Diffstat (limited to 'src/gui/widgets/textbox.cpp')
-rw-r--r-- | src/gui/widgets/textbox.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/gui/widgets/textbox.cpp b/src/gui/widgets/textbox.cpp new file mode 100644 index 00000000..bf3692ec --- /dev/null +++ b/src/gui/widgets/textbox.cpp @@ -0,0 +1,142 @@ +/* + * The Mana World + * Copyright (C) 2004 The Mana World Development Team + * + * This file is part of 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 "gui/widgets/textbox.h" + +#include "gui/palette.h" + +#include <guichan/font.hpp> + +#include <sstream> + +TextBox::TextBox() : + gcn::TextBox(), mTextColor(&guiPalette->getColor(Palette::TEXT)) +{ + 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 spacePos, newlinePos, lastNewlinePos = 0; + int minWidth = 0; + int xpos; + + 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 + { + // 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 lastSpacePos = 0; + xpos = 0; + + 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()); +} |