From 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 2 Jan 2011 01:48:38 +0200
Subject: Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.
---
 src/gui/widgets/textbox.cpp | 149 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 src/gui/widgets/textbox.cpp

(limited to 'src/gui/widgets/textbox.cpp')

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
@@ -0,0 +1,149 @@
+/*
+ *  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());
+}
-- 
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