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 
region_relative_time_converter()58 	ARDOUR::DoubleBeatsSamplesConverter const & region_relative_time_converter () const {
59 		return _region_relative_time_converter;
60 	}
61 
source_relative_time_converter()62 	ARDOUR::DoubleBeatsSamplesConverter const & source_relative_time_converter () const {
63 		return _source_relative_time_converter;
64 	}
65 
automation_view()66 	inline AutomationTimeAxisView* automation_view() const
67 		{ return dynamic_cast<AutomationTimeAxisView*>(&trackview); }
68 
line()69 	boost::shared_ptr<AutomationLine> line() { return _line; }
70 
71 	// We are a ghost.  Meta ghosts?  Crazy talk.
add_ghost(TimeAxisView &)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__ */
98