more changes to broken-out tempo code
[ardour.git] / gtk2_ardour / automation_region_view.h
1 /*
2     Copyright (C) 2007 Paul Davis
3     Author: David Robillard
4
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 2 of the License, or
8     (at your option) any later version.
9
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14
15     You should have received a copy of the GNU General Public License
16     along with this program; if not, write to the Free Software
17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #ifndef __gtk_ardour_automation_region_view_h__
21 #define __gtk_ardour_automation_region_view_h__
22
23 #include "ardour/types.h"
24
25 #include "region_view.h"
26 #include "automation_time_axis.h"
27 #include "automation_line.h"
28 #include "enums.h"
29
30 namespace ARDOUR {
31         class AutomationList;
32         class Parameter;
33 };
34
35 class TimeAxisView;
36
37 class AutomationRegionView : public RegionView
38 {
39 public:
40         AutomationRegionView(ArdourCanvas::Container*,
41                              AutomationTimeAxisView&,
42                              boost::shared_ptr<ARDOUR::Region>,
43                              const Evoral::Parameter& parameter,
44                              boost::shared_ptr<ARDOUR::AutomationList>,
45                              double initial_samples_per_pixel,
46                              uint32_t basic_color);
47
48         ~AutomationRegionView();
49
50         void init (bool wfd);
51
52         bool paste (framepos_t                                      pos,
53                     unsigned                                        paste_count,
54                     float                                           times,
55                     boost::shared_ptr<const ARDOUR::AutomationList> slist);
56
57         ARDOUR::DoubleBeatsFramesConverter const & region_relative_time_converter () const {
58                 return _region_relative_time_converter;
59         }
60
61         ARDOUR::DoubleBeatsFramesConverter const & source_relative_time_converter () const {
62                 return _source_relative_time_converter;
63         }
64
65         inline AutomationTimeAxisView* automation_view() const
66                 { return dynamic_cast<AutomationTimeAxisView*>(&trackview); }
67
68         boost::shared_ptr<AutomationLine> line() { return _line; }
69
70         // We are a ghost.  Meta ghosts?  Crazy talk.
71         virtual GhostRegion* add_ghost(TimeAxisView&) { return 0; }
72
73         uint32_t get_fill_color() const;
74
75         void set_height (double);
76         void reset_width_dependent_items(double pixel_width);
77
78 protected:
79         void create_line(boost::shared_ptr<ARDOUR::AutomationList> list);
80         bool set_position(framepos_t pos, void* src, double* ignored);
81         void region_resized (const PBD::PropertyChange&);
82         bool canvas_group_event(GdkEvent* ev);
83         void add_automation_event (GdkEvent* event, framepos_t when, double y, bool with_guard_points);
84         void mouse_mode_changed ();
85         void entered();
86         void exited();
87
88 private:
89         ARDOUR::DoubleBeatsFramesConverter _region_relative_time_converter;
90         ARDOUR::DoubleBeatsFramesConverter _source_relative_time_converter;
91         Evoral::Parameter                  _parameter;
92         boost::shared_ptr<AutomationLine>  _line;
93         PBD::ScopedConnection              _mouse_mode_connection;
94 };
95
96 #endif /* __gtk_ardour_automation_region_view_h__ */