2 * Copyright (C) 2010-2018 Paul Davis <paul@linuxaudiosystems.com>
3 * Copyright (C) 2011-2015 David Robillard <d@drobilla.net>
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.
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.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef __gtk2_ardour_step_editor_h__
21 #define __gtk2_ardour_step_editor_h__
26 #include <sigc++/trackable.h>
28 #include "pbd/signals.h"
30 #include "temporal/beats.h"
38 class MidiTimeAxisView;
42 /** A StepEditor is an object which understands how to interact with the
43 * MidiTrack and MidiTimeAxisView APIs to make the changes required during step
44 * editing. However, it defers all GUI matters to the StepEntry class, which
45 * presents an interface to the user, and then calls StepEditor methods to make
48 * The StepEntry is a singleton, used over and over each time the user wants to
49 * step edit; the StepEditor is owned by a MidiTimeAxisView and re-used for any
50 * step editing in the MidiTrack for which the MidiTimeAxisView is a view.
53 class StepEditor : public PBD::ScopedConnectionList, public sigc::trackable
56 StepEditor (PublicEditor&, boost::shared_ptr<ARDOUR::MidiTrack>, MidiTimeAxisView&);
57 virtual ~StepEditor ();
59 void step_entry_done ();
61 void check_step_edit ();
62 void step_edit_rest (Temporal::Beats beats);
63 void step_edit_beat_sync ();
64 void step_edit_bar_sync ();
65 int step_add_bank_change (uint8_t channel, uint8_t bank);
66 int step_add_program_change (uint8_t channel, uint8_t program);
67 int step_add_note (uint8_t channel, uint8_t pitch, uint8_t velocity,
68 Temporal::Beats beat_duration);
69 void step_edit_sustain (Temporal::Beats beats);
70 bool step_edit_within_triplet () const;
71 void step_edit_toggle_triplet ();
72 bool step_edit_within_chord () const;
73 void step_edit_toggle_chord ();
74 void reset_step_edit_beat_pos ();
75 void resync_step_edit_to_edit_point ();
76 void move_step_edit_beat_pos (Temporal::Beats beats);
77 void set_step_edit_cursor_width (Temporal::Beats beats);
79 std::string name () const;
81 void start_step_editing ();
82 void stop_step_editing ();
85 ARDOUR::samplepos_t step_edit_insert_position;
86 Temporal::Beats step_edit_beat_pos;
87 boost::shared_ptr<ARDOUR::MidiRegion> step_edit_region;
88 MidiRegionView* step_edit_region_view;
89 uint8_t _step_edit_triplet_countdown;
90 bool _step_edit_within_chord;
91 Temporal::Beats _step_edit_chord_duration;
92 PBD::ScopedConnection step_edit_region_connection;
93 PublicEditor& _editor;
94 boost::shared_ptr<ARDOUR::MidiTrack> _track;
95 MidiTimeAxisView& _mtv;
96 int8_t last_added_pitch;
97 Temporal::Beats last_added_end;
99 sigc::connection delete_connection;
100 sigc::connection hide_connection;
102 void region_removed (boost::weak_ptr<ARDOUR::Region>);
103 void playlist_changed ();
104 bool step_entry_hidden (GdkEventAny*);
105 void resync_step_edit_position ();
106 void prepare_step_edit_region ();
109 #endif /* __gtk2_ardour_step_editor_h__ */