A few fixes to interpolation of MIDI controller data. Don't interpolate
[ardour.git] / gtk2_ardour / automation_time_axis.h
1 /*
2     Copyright (C) 2000-2007 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
20 #ifndef __ardour_gtk_automation_time_axis_h__
21 #define __ardour_gtk_automation_time_axis_h__
22
23 #include <list>
24 #include <string>
25 #include <utility>
26
27 #include <boost/shared_ptr.hpp>
28
29 #include "ardour/types.h"
30 #include "ardour/automatable.h"
31 #include "ardour/automation_list.h"
32
33 #include "canvas.h"
34 #include "time_axis_view.h"
35 #include "simplerect.h"
36 #include "automation_controller.h"
37
38 namespace ARDOUR {
39         class Session;
40         class Route;
41         class AutomationControl;
42 }
43
44 class PublicEditor;
45 class TimeSelection;
46 class RegionSelection;
47 class PointSelection;
48 class AutomationLine;
49 class Selection;
50 class Selectable;
51 class AutomationStreamView;
52 class AutomationController;
53
54
55 class AutomationTimeAxisView : public TimeAxisView {
56   public:
57         AutomationTimeAxisView (ARDOUR::Session*,
58                                 boost::shared_ptr<ARDOUR::Route>,
59                                 boost::shared_ptr<ARDOUR::Automatable>,
60                                 boost::shared_ptr<ARDOUR::AutomationControl>,
61                                 PublicEditor&,
62                                 TimeAxisView& parent,
63                                 bool show_regions,
64                                 ArdourCanvas::Canvas& canvas,
65                                 const std::string & name, /* translatable */
66                                 const std::string & plug_name = "");
67
68         ~AutomationTimeAxisView();
69
70         virtual void set_height (uint32_t);
71         void set_samples_per_unit (double);
72         bool set_visibility (bool yn);
73         std::string name() const { return _name; }
74
75         void add_automation_event (ArdourCanvas::Item *item, GdkEvent *event, nframes_t, double);
76
77         void clear_lines ();
78         boost::shared_ptr<AutomationLine> line() { return _line; }
79
80         void set_selected_points (PointSelection&);
81         void get_selectables (nframes_t start, nframes_t end, double top, double bot, std::list<Selectable *>&);
82         void get_inverted_selectables (Selection&, std::list<Selectable*>& results);
83
84         void show_timestretch (nframes_t /*start*/, nframes_t /*end*/) {}
85         void hide_timestretch () {}
86
87         /* editing operations */
88
89         bool cut_copy_clear (Selection&, Editing::CutCopyOp);
90         bool cut_copy_clear_objects (PointSelection&, Editing::CutCopyOp);
91         bool paste (nframes_t, float times, Selection&, size_t nth);
92         void reset_objects (PointSelection&);
93
94         int  set_state (const XMLNode&, int version);
95         guint32 show_at (double y, int& nth, Gtk::VBox *parent);
96         void hide ();
97
98         static const std::string state_node_name;
99         XMLNode* get_state_node();
100
101         boost::shared_ptr<ARDOUR::AutomationControl> control()    { return _control; }
102         boost::shared_ptr<AutomationController>      controller() { return _controller; }
103
104         ArdourCanvas::Item* base_item () const {
105                 return _base_rect;
106         }
107
108         bool has_automation () const;
109
110   protected:
111         boost::shared_ptr<ARDOUR::Route> _route; ///< Parent route
112         boost::shared_ptr<ARDOUR::AutomationControl> _control; ///< Control
113         boost::shared_ptr<ARDOUR::Automatable> _automatable; ///< Control owner, maybe = _route
114
115         boost::shared_ptr<AutomationController> _controller;
116
117         ArdourCanvas::SimpleRect* _base_rect;
118         boost::shared_ptr<AutomationLine> _line;
119         /** AutomationStreamView if we are editing region-based automation (for MIDI), otherwise 0 */
120         AutomationStreamView* _view;
121
122         std::string _name;
123         bool    ignore_toggle;
124
125         bool    first_call_to_set_height;
126
127         Gtk::Button        hide_button;
128         Gtk::Button        auto_button;
129         Gtk::Menu*         automation_menu;
130         Gtk::Label*        plugname;
131         bool               plugname_packed;
132
133         Gtk::CheckMenuItem*     auto_off_item;
134         Gtk::CheckMenuItem*     auto_play_item;
135         Gtk::CheckMenuItem*     auto_touch_item;
136         Gtk::CheckMenuItem*     auto_write_item;
137
138         Gtk::CheckMenuItem* mode_discrete_item;
139         Gtk::CheckMenuItem* mode_line_item;
140
141         void add_line (boost::shared_ptr<AutomationLine>);
142
143         void clear_clicked ();
144         void hide_clicked ();
145         void auto_clicked ();
146
147         void build_display_menu ();
148
149         bool cut_copy_clear_one (AutomationLine&, Selection&, Editing::CutCopyOp);
150         bool cut_copy_clear_objects_one (AutomationLine&, PointSelection&, Editing::CutCopyOp);
151         bool paste_one (AutomationLine&, nframes_t, float times, Selection&, size_t nth);
152         void reset_objects_one (AutomationLine&, PointSelection&);
153
154         void set_automation_state (ARDOUR::AutoState);
155         bool ignore_state_request;
156
157         void automation_state_changed ();
158
159         void set_interpolation (ARDOUR::AutomationList::InterpolationStyle);
160         void interpolation_changed (ARDOUR::AutomationList::InterpolationStyle);
161
162         PBD::ScopedConnectionList _list_connections;
163
164         void update_extra_xml_shown (bool editor_shown);
165
166         void entered ();
167         void exited ();
168
169         //void set_colors ();
170         void color_handler ();
171
172         static Pango::FontDescription* name_font;
173         static bool have_name_font;
174 };
175
176 #endif /* __ardour_gtk_automation_time_axis_h__ */