provide full scroll-based editing in MIDI list editor
[ardour.git] / gtk2_ardour / midi_list_editor.h
1 /*
2     Copyright (C) 2009 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_gtk2_midi_list_editor_h_
20 #define __ardour_gtk2_midi_list_editor_h_
21
22 #include <gtkmm/treeview.h>
23 #include <gtkmm/table.h>
24 #include <gtkmm/box.h>
25 #include <gtkmm/liststore.h>
26 #include <gtkmm/scrolledwindow.h>
27
28 #include "evoral/types.hpp"
29
30 #include "ardour/session_handle.h"
31
32 #include "ardour_window.h"
33
34 namespace Evoral {
35         template<typename Time> class Note;
36 };
37
38 namespace ARDOUR {
39         class MidiRegion;
40         class MidiModel;
41         class MidiTrack;
42         class Session;
43 };
44
45 class MidiListEditor : public ArdourWindow
46 {
47   public:
48         typedef Evoral::Note<Evoral::MusicalTime> NoteType;
49
50         MidiListEditor(ARDOUR::Session*, boost::shared_ptr<ARDOUR::MidiRegion>,
51                        boost::shared_ptr<ARDOUR::MidiTrack>);
52         ~MidiListEditor();
53
54   private:
55         struct MidiListModelColumns : public Gtk::TreeModel::ColumnRecord {
56                 MidiListModelColumns() {
57                         add (channel);
58                         add (note);
59                         add (note_name);
60                         add (velocity);
61                         add (start);
62                         add (length);
63                         add (_note);
64                 };
65                 Gtk::TreeModelColumn<uint8_t>     channel;
66                 Gtk::TreeModelColumn<uint8_t>     note;
67                 Gtk::TreeModelColumn<std::string> note_name;
68                 Gtk::TreeModelColumn<uint8_t>     velocity;
69                 Gtk::TreeModelColumn<std::string> start;
70                 Gtk::TreeModelColumn<std::string> length;
71                 Gtk::TreeModelColumn<boost::shared_ptr<NoteType> > _note;
72         };
73
74         struct NoteLengthColumns : public Gtk::TreeModel::ColumnRecord {
75                 NoteLengthColumns() {
76                         add (ticks);
77                         add (name);
78                 }
79                 Gtk::TreeModelColumn<int>         ticks;
80                 Gtk::TreeModelColumn<std::string> name;
81         };
82
83         MidiListModelColumns         columns;
84         Glib::RefPtr<Gtk::ListStore> model;
85         NoteLengthColumns            note_length_columns;
86         Glib::RefPtr<Gtk::ListStore> note_length_model;
87         Gtk::TreeView                view;
88         Gtk::ScrolledWindow          scroller;
89         Gtk::TreeModel::Path         edit_path;
90         int                          edit_column;
91         Gtk::CellRendererText*       editing_renderer;
92         Gtk::CellEditable*           editing_editable;
93         Gtk::Table                   buttons;
94         Gtk::VBox                    vbox;
95         Gtk::ToggleButton            sound_notes_button;
96
97         boost::shared_ptr<ARDOUR::MidiRegion> region;
98         boost::shared_ptr<ARDOUR::MidiTrack>  track;
99
100         /** connection used to connect to model's ContentChanged signal */
101         PBD::ScopedConnection content_connection;
102
103         void edited (const std::string&, const std::string&);
104         void editing_started (Gtk::CellEditable*, const std::string& path, int);
105         void editing_canceled ();
106         void stop_editing (bool cancelled = false);
107
108         void redisplay_model ();
109
110         bool key_press (GdkEventKey* ev);
111         bool key_release (GdkEventKey* ev);
112         bool scroll_event (GdkEventScroll*);
113
114         void delete_selected_note ();
115         void selection_changed ();
116 };
117
118 #endif /* __ardour_gtk2_midi_list_editor_h_ */