gtk2_ardour/automation_region_view.h

   1 /*
   2  * Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
   3  * Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.net>
   4  * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #ifndef __gtk_ardour_automation_region_view_h__
  22 #define __gtk_ardour_automation_region_view_h__
  23
  24 #include "ardour/types.h"
  25
  26 #include "region_view.h"
  27 #include "automation_time_axis.h"
  28 #include "automation_line.h"
  29 #include "enums.h"
  30
  31 namespace ARDOUR {
  32         class AutomationList;
  33         class Parameter;
  34 };
  35
  36 class TimeAxisView;
  37
  38 class AutomationRegionView : public RegionView
  39 {
  40 public:
  41         AutomationRegionView(ArdourCanvas::Container*,
  42                              AutomationTimeAxisView&,
  43                              boost::shared_ptr<ARDOUR::Region>,
  44                              const Evoral::Parameter& parameter,
  45                              boost::shared_ptr<ARDOUR::AutomationList>,
  46                              double initial_samples_per_pixel,
  47                              uint32_t basic_color);
  48
  49         ~AutomationRegionView();
  50
  51         void init (bool wfd);
  52
  53         bool paste (samplepos_t                                     pos,
  54                     unsigned                                        paste_count,
  55                     float                                           times,
  56                     boost::shared_ptr<const ARDOUR::AutomationList> slist);
  57
  58         ARDOUR::DoubleBeatsSamplesConverter const & region_relative_time_converter () const {
  59                 return _region_relative_time_converter;
  60         }
  61
  62         ARDOUR::DoubleBeatsSamplesConverter const & source_relative_time_converter () const {
  63                 return _source_relative_time_converter;
  64         }
  65
  66         inline AutomationTimeAxisView* automation_view() const
  67                 { return dynamic_cast<AutomationTimeAxisView*>(&trackview); }
  68
  69         boost::shared_ptr<AutomationLine> line() { return _line; }
  70
  71         // We are a ghost.  Meta ghosts?  Crazy talk.
  72         virtual GhostRegion* add_ghost(TimeAxisView&) { return 0; }
  73
  74         uint32_t get_fill_color() const;
  75
  76         void set_height (double);
  77         void reset_width_dependent_items(double pixel_width);
  78
  79 protected:
  80         void create_line(boost::shared_ptr<ARDOUR::AutomationList> list);
  81         bool set_position(samplepos_t pos, void* src, double* ignored);
  82         void region_resized (const PBD::PropertyChange&);
  83         bool canvas_group_event(GdkEvent* ev);
  84         void add_automation_event (GdkEvent* event, samplepos_t when, double y, bool with_guard_points);
  85         void mouse_mode_changed ();
  86         void entered();
  87         void exited();
  88
  89 private:
  90         ARDOUR::DoubleBeatsSamplesConverter _region_relative_time_converter;
  91         ARDOUR::DoubleBeatsSamplesConverter _source_relative_time_converter;
  92         Evoral::Parameter                   _parameter;
  93         boost::shared_ptr<AutomationLine>   _line;
  94         PBD::ScopedConnection               _mouse_mode_connection;
  95 };
  96
  97 #endif /* __gtk_ardour_automation_region_view_h__ */