1 files changed, 266 insertions, 0 deletions
diff --git a/src/base/ColourMap.cpp b/src/base/ColourMap.cpp
new file mode 100644
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--- /dev/null
+++ b/src/base/ColourMap.cpp
@@ -0,0 +1,266 @@
+// -*- c-basic-offset: 4 -*-
+
+
+/*
+    Rosegarden
+    A sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    This file is Copyright 2003
+        Mark Hymers         <[email protected]>
+
+    The moral right of the authors to claim authorship of this work
+    has been asserted.
+
+    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 (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#include <string>
+
+#if (__GNUC__ < 3)
+#include <strstream>
+#define stringstream strstream
+#else
+#include <sstream>
+#endif
+
+#include "ColourMap.h"
+#include "XmlExportable.h"
+
+namespace Rosegarden 
+{
+
+ColourMap::ColourMap()
+{
+    // Set up the default colour.  The #defines can be found in ColourMap.h
+    Colour tempcolour(COLOUR_DEF_R, COLOUR_DEF_G, COLOUR_DEF_B);
+    m_map[0] = make_pair(tempcolour, std::string(""));
+}
+
+ColourMap::ColourMap(const Colour& input)
+{
+    // Set up the default colour based on the input
+    m_map[0] = make_pair(input, std::string(""));
+}
+
+ColourMap::~ColourMap()
+{
+    // Everything should destroy itself automatically
+}
+
+bool
+ColourMap::deleteItemByIndex(const unsigned int item_num)
+{
+    // We explicitly refuse to delete the default colour
+    if (item_num == 0) 
+        return false;
+
+    unsigned int n_e = m_map.erase(item_num);
+    if (n_e != 0)
+    {
+        return true;
+    }
+
+    // Otherwise we didn't find the right item
+    return false;
+}
+
+Colour
+ColourMap::getColourByIndex(const unsigned int item_num) const
+{
+    // Iterate over the m_map and if we find a match, return the
+    // Colour.  If we don't match, return the default colour.  m_map
+    // was initialised with at least one item in the ctor, so this is
+    // safe.
+    Colour ret = (*m_map.begin()).second.first;
+
+    for (RCMap::const_iterator position = m_map.begin();
+	 position != m_map.end(); ++position)
+        if (position->first == item_num)
+            ret = position->second.first;
+
+    return ret;
+}
+
+std::string
+ColourMap::getNameByIndex(const unsigned int item_num) const
+{
+    // Iterate over the m_map and if we find a match, return the name.
+    // If we don't match, return the default colour's name.  m_map was
+    // initialised with at least one item in the ctor, so this is
+    // safe.
+    std::string ret = (*m_map.begin()).second.second;
+
+    for (RCMap::const_iterator position = m_map.begin();
+	 position != m_map.end(); ++position)
+        if (position->first == item_num)
+            ret = position->second.second;
+
+    return ret;
+}
+
+bool
+ColourMap::addItem(const Colour colour, const std::string name)
+{
+    // If we want to limit the number of colours, here's the place to do it
+    unsigned int highest=0;
+
+    for (RCMap::iterator position = m_map.begin(); position != m_map.end(); ++position)
+    {
+        if (position->first != highest)
+            break;
+
+        ++highest;
+    }
+
+    m_map[highest] = make_pair(colour, name);
+
+    return true;
+}
+
+// WARNING: This version of addItem is only for use by rosexmlhandler.cpp
+bool
+ColourMap::addItem(const Colour colour, const std::string name, const unsigned int id)
+{
+    m_map[id] = make_pair(colour, name);
+
+    return true;
+}
+
+bool
+ColourMap::modifyNameByIndex(const unsigned int item_num, const std::string name)
+{
+    // We don't allow a name to be given to the default colour
+    if (item_num == 0)
+        return false;
+
+    for (RCMap::iterator position = m_map.begin(); position != m_map.end(); ++position)
+        if (position->first == item_num)
+        {
+            position->second.second = name;
+            return true;
+        }
+
+    // We didn't find the element
+    return false;
+}
+
+bool
+ColourMap::modifyColourByIndex(const unsigned int item_num, const Colour colour)
+{
+    for (RCMap::iterator position = m_map.begin(); position != m_map.end(); ++position)
+        if (position->first == item_num)
+        {
+            position->second.first = colour;
+            return true;
+        }
+
+    // We didn't find the element
+    return false;
+}
+
+bool
+ColourMap::swapItems(const unsigned int item_1, const unsigned int item_2)
+{
+    // It would make no difference but we return false because 
+    //  we haven't altered the iterator (see docs in ColourMap.h)
+    if (item_1 == item_2)
+        return false; 
+
+    // We refuse to swap the default colour for something else
+    // Basically because what would we do with the strings?
+    if ((item_1 == 0) || (item_2 == 0))
+        return false; 
+
+    unsigned int one = 0, two = 0;
+
+    // Check that both elements exist
+    // It's not worth bothering about optimising this
+    for (RCMap::iterator position = m_map.begin(); position != m_map.end(); ++position)
+    {
+        if (position->first == item_1) one = position->first;
+        if (position->first == item_2) two = position->first;
+    }
+
+    // If they both exist, do it
+    // There's probably a nicer way to do this
+    if ((one != 0) && (two != 0))
+    {
+        Colour tempC = m_map[one].first;
+        std::string tempS = m_map[one].second;
+        m_map[one].first = m_map[two].first;
+        m_map[one].second = m_map[two].second;
+        m_map[two].first = tempC;
+        m_map[two].second = tempS;
+
+        return true;
+    }
+
+    // Else they didn't
+    return false;
+}
+
+RCMap::const_iterator
+ColourMap::begin()
+{
+    RCMap::const_iterator ret = m_map.begin();
+    return ret;
+}
+
+RCMap::const_iterator
+ColourMap::end()
+{
+    RCMap::const_iterator ret = m_map.end();
+    return ret;
+}
+
+ColourMap&
+ColourMap::operator=(const ColourMap& input)
+{
+    if (this != &input)
+        m_map = input.m_map;
+
+    return *this;
+}
+
+int
+ColourMap::size() const
+{
+    return m_map.size();
+}
+
+std::string
+ColourMap::toXmlString(std::string name) const
+{
+    std::stringstream output;
+
+    output << "        <colourmap name=\"" << XmlExportable::encode(name)
+           << "\">" << std::endl;
+
+    for (RCMap::const_iterator pos = m_map.begin(); pos != m_map.end(); ++pos)
+    {
+        output << "  " << "            <colourpair id=\"" << pos->first
+               << "\" name=\"" << XmlExportable::encode(pos->second.second)
+               << "\" " << pos->second.first.dataToXmlString() << "/>" << std::endl;
+    }
+
+#if (__GNUC__ < 3)
+    output << "        </colourmap>" << std::endl << std::ends;
+#else
+    output << "        </colourmap>" << std::endl;
+#endif
+
+
+    return output.str();
+
+}
+
+}