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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/gui/widgets/textbox.cpp
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/gui/widgets/textbox.cpp')
-rw-r--r--src/gui/widgets/textbox.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/gui/widgets/textbox.cpp b/src/gui/widgets/textbox.cpp
new file mode 100644
index 000000000..f248f35d2
--- /dev/null
+++ b/src/gui/widgets/textbox.cpp
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+/*
+ * The Mana Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gui/widgets/textbox.h"
+
+#include "gui/theme.h"
+
+#include <guichan/font.hpp>
+
+#include <sstream>
+
+TextBox::TextBox() :
+ mTextColor(&Theme::getThemeColor(Theme::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 && width > mMinWidth)
+ {
+ mMinWidth = width;
+ xpos = width;
+ wrappedStream << word;
+ }
+ else if (xpos != 0 && xpos + getFont()->getWidth(" ") + width <=
+ mMinWidth)
+ {
+ xpos += getFont()->getWidth(" ") + width;
+ 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());
+}