comparison layer/SingleColourLayer.h @ 293:15b8a4bfe855

* continue to pick "new" colours for coloured layers even when all colours
  have been used at least once, rather than sticking on the last one
* some messing about with application palette settings
* when replacing an audio file, retain the previous playback settings for
  any layers that depended on the old file
* re-check plugin program setting when a parameter changes -- so a plugin
  can decide to reset the program if the parameters no longer match those
  for the current program
* fix failure to update check-boxes for toggled plugin parameters when their
  parameters are changed by program changes

 #define _SINGLE_COLOUR_LAYER_H_
 
 #include "Layer.h"
 #include <QColor>
 #include <vector>
+#include <map>
 
 class SingleColourLayer : public Layer
 {
 public:
     virtual void setBaseColour(int);

 
     virtual void flagBaseColourChanged() { }
     virtual int getDefaultColourHint(bool /* darkBackground */,
                                      bool & /* impose */) { return -1; }
 
-    typedef std::multiset<int> ColourIndexPool;
-    static ColourIndexPool m_usedColourIndices;
+    typedef std::map<int, int> ColourRefCount;
+    static ColourRefCount m_colourRefCount;
 
     int m_colour;
 };
 
 #endif