add Group::clear(), do not clear _canvas member of Item when unparented (only the...

[ardour.git] / gtk2_ardour / tempo_lines.h

diff --git a/gtk2_ardour/tempo_lines.h b/gtk2_ardour/tempo_lines.h
index a0c76505162f9a2170b924d5cc57093f09dc86d3..f4ee293e29118694f292813d0513094721992d8d 100644 (file)
--- a/gtk2_ardour/tempo_lines.h
+++ b/gtk2_ardour/tempo_lines.h
@@ -19,39 +19,29 @@
 #ifndef __ardour_tempo_lines_h__
 #define __ardour_tempo_lines_h__
 
-#include <map>
-#include <boost/pool/pool.hpp>
-#include <boost/pool/pool_alloc.hpp>
+#include <list>
 #include "ardour/tempo.h"
 
-typedef boost::fast_pool_allocator<
-               std::pair<const double, ArdourCanvas::Line*>,
-               boost::default_user_allocator_new_delete,
-               boost::details::pool::null_mutex,
-               8192>
-       MapAllocator;
-
 class TempoLines {
 public:
        TempoLines(ArdourCanvas::Canvas& canvas, ArdourCanvas::Group* group, double screen_height);
 
        void tempo_map_changed();
 
-       void draw(const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, 
-                 const ARDOUR::TempoMap::BBTPointList::const_iterator& end, 
-                 double frames_per_unit);
+       void draw (const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, 
+                  const ARDOUR::TempoMap::BBTPointList::const_iterator& end, 
+                  double frames_per_unit);
 
        void show();
        void hide();
 
 private:
-       typedef std::map<double, ArdourCanvas::Line*, std::less<double>, MapAllocator> Lines;
+        typedef std::list<ArdourCanvas::Line*> Lines;
        Lines _lines;
+        Lines _cache;
 
         ArdourCanvas::Canvas& _canvas;
        ArdourCanvas::Group*  _group;
-       double                _clean_left;
-       double                _clean_right;
        double                _height;
 };