gtk2_ardour/streamview.h

   1 /*
   2     Copyright (C) 2001, 2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #ifndef __ardour_streamview_h__
  20 #define __ardour_streamview_h__
  21
  22 #include <list>
  23 #include <map>
  24 #include <cmath>
  25
  26 #include <ardour/location.h>
  27 #include "enums.h"
  28 #include "simplerect.h"
  29 #include "canvas.h"
  30
  31 namespace Gdk {
  32         class Color;
  33 }
  34
  35 namespace ARDOUR {
  36         class Route;
  37         class Diskstream;
  38         class Crossfade;
  39         class PeakData;
  40         class Region;
  41         class Source;
  42 }
  43
  44 struct RecBoxInfo {
  45         ArdourCanvas::SimpleRect* rectangle;
  46         nframes_t            start;
  47         nframes_t            length;
  48 };
  49
  50 class PublicEditor;
  51 class Selectable;
  52 class RouteTimeAxisView;
  53 class RegionView;
  54 class RegionSelection;
  55 class CrossfadeView;
  56 class Selection;
  57
  58 class StreamView : public sigc::trackable
  59 {
  60 public:
  61         virtual ~StreamView ();
  62
  63         RouteTimeAxisView& trackview() { return _trackview; }
  64
  65         void attach ();
  66
  67         void set_zoom_all();
  68
  69         int set_position (gdouble x, gdouble y);
  70         virtual int set_height (gdouble);
  71
  72         virtual int set_samples_per_unit (gdouble spp);
  73         gdouble     get_samples_per_unit () { return _samples_per_unit; }
  74
  75         ArdourCanvas::Group* background_group() { return _background_group; }
  76         ArdourCanvas::Group* canvas_item() { return canvas_group; }
  77
  78         enum ColorTarget {
  79                 RegionColor,
  80                 StreamBaseColor
  81         };
  82
  83         Gdk::Color get_region_color () const { return region_color; }
  84         void       apply_color (Gdk::Color&, ColorTarget t);
  85
  86         RegionView*  find_view (boost::shared_ptr<const ARDOUR::Region>);
  87         void         foreach_regionview (sigc::slot<void,RegionView*> slot);
  88
  89         void set_selected_regionviews (RegionSelection&);
  90         void get_selectables (nframes_t start, nframes_t end, list<Selectable* >&);
  91         void get_inverted_selectables (Selection&, list<Selectable* >& results);
  92
  93         void add_region_view (boost::shared_ptr<ARDOUR::Region>);
  94         void region_layered (RegionView*);
  95
  96         sigc::signal<void,RegionView*> RegionViewAdded;
  97
  98 protected:
  99         StreamView (RouteTimeAxisView&);
 100
 101 //private: (FIXME?)
 102
 103         void         transport_changed();
 104         void         transport_looped();
 105         void         rec_enable_changed();
 106         void         sess_rec_enable_changed();
 107         virtual void setup_rec_box () = 0;
 108         void         update_rec_box ();
 109         virtual void update_rec_regions () = 0;
 110
 111         virtual void add_region_view_internal (boost::shared_ptr<ARDOUR::Region>, bool wait_for_waves, bool recording = false) = 0;
 112         virtual void remove_region_view (boost::weak_ptr<ARDOUR::Region> );
 113         //void         remove_rec_region (boost::shared_ptr<ARDOUR::Region>); (unused)
 114
 115         void         display_diskstream (boost::weak_ptr<ARDOUR::Diskstream>);
 116         virtual void undisplay_diskstream ();
 117         virtual void redisplay_diskstream () = 0;
 118         void         diskstream_changed ();
 119
 120         virtual void playlist_changed (boost::weak_ptr<ARDOUR::Diskstream>);
 121         virtual void playlist_modified ();
 122
 123         virtual void color_handler () = 0;
 124
 125
 126         RouteTimeAxisView&        _trackview;
 127         ArdourCanvas::Group*      _background_group;
 128         ArdourCanvas::Group*      canvas_group;
 129         ArdourCanvas::SimpleRect* canvas_rect; /* frame around the whole thing */
 130
 131         typedef list<RegionView* > RegionViewList;
 132         RegionViewList  region_views;
 133
 134         double _samples_per_unit;
 135
 136         sigc::connection       screen_update_connection;
 137         vector<RecBoxInfo>     rec_rects;
 138         list<boost::shared_ptr<ARDOUR::Region> > rec_regions;
 139         bool                   rec_updating;
 140         bool                   rec_active;
 141         bool                   use_rec_regions;
 142
 143         Gdk::Color region_color;      ///< Contained region color
 144         uint32_t   stream_base_color; ///< Background color
 145
 146         vector<sigc::connection> playlist_connections;
 147         sigc::connection         playlist_change_connection;
 148 };
 149
 150 #endif /* __ardour_streamview_h__ */
 151