1 #include "ardour/midi_track.h"
2 #include "ardour/midi_region.h"
3 #include "ardour/tempo.h"
4 #include "ardour/types.h"
6 #include "gui_thread.h"
7 #include "midi_region_view.h"
8 #include "public_editor.h"
9 #include "step_editor.h"
10 #include "step_entry.h"
12 using namespace ARDOUR;
16 StepEditor::StepEditor (PublicEditor& e, boost::shared_ptr<MidiTrack> t, MidiTimeAxisView& mtv)
22 step_edit_insert_position = 0;
23 _step_edit_triplet_countdown = 0;
24 _step_edit_within_chord = 0;
25 _step_edit_chord_duration = 0.0;
26 step_edit_region_view = 0;
28 _track->PlaylistChanged.connect (*this, invalidator (*this),
29 boost::bind (&StepEditor::playlist_changed, this),
34 StepEditor::~StepEditor()
40 StepEditor::start_step_editing ()
42 _step_edit_triplet_countdown = 0;
43 _step_edit_within_chord = 0;
44 _step_edit_chord_duration = 0.0;
45 step_edit_region.reset ();
46 step_edit_region_view = 0;
48 resync_step_edit_position ();
49 prepare_step_edit_region ();
50 reset_step_edit_beat_pos ();
52 assert (step_edit_region);
53 assert (step_edit_region_view);
55 if (step_editor == 0) {
56 step_editor = new StepEntry (*this);
57 step_editor->signal_delete_event().connect (sigc::mem_fun (*this, &StepEditor::step_editor_hidden));
58 step_editor->signal_hide().connect (sigc::mem_fun (*this, &StepEditor::step_editor_hide));
61 step_edit_region_view->show_step_edit_cursor (step_edit_beat_pos);
62 step_edit_region_view->set_step_edit_cursor_width (step_editor->note_length());
64 step_editor->set_position (WIN_POS_MOUSE);
65 step_editor->present ();
69 StepEditor::resync_step_edit_position ()
71 step_edit_insert_position = _editor.get_preferred_edit_position ();
75 StepEditor::resync_step_edit_to_edit_point ()
77 resync_step_edit_position ();
78 if (step_edit_region) {
79 reset_step_edit_beat_pos ();
84 StepEditor::prepare_step_edit_region ()
86 boost::shared_ptr<Region> r = _track->playlist()->top_region_at (step_edit_insert_position);
89 step_edit_region = boost::dynamic_pointer_cast<MidiRegion>(r);
92 if (step_edit_region) {
93 RegionView* rv = _mtv.midi_view()->find_view (step_edit_region);
94 step_edit_region_view = dynamic_cast<MidiRegionView*> (rv);
97 step_edit_region = _mtv.add_region (step_edit_insert_position);
98 RegionView* rv = _mtv.midi_view()->find_view (step_edit_region);
99 step_edit_region_view = dynamic_cast<MidiRegionView*>(rv);
105 StepEditor::reset_step_edit_beat_pos ()
107 assert (step_edit_region);
108 assert (step_edit_region_view);
110 framecnt_t frames_from_start = _editor.get_preferred_edit_position() - step_edit_region->position();
112 if (frames_from_start < 0) {
113 /* this can happen with snap enabled, and the edit point == Playhead. we snap the
114 position of the new region, and it can end up after the edit point.
116 frames_from_start = 0;
119 step_edit_beat_pos = step_edit_region_view->frames_to_beats (frames_from_start);
120 step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
124 StepEditor::step_editor_hidden (GdkEventAny*)
131 StepEditor::step_editor_hide ()
133 /* everything else will follow the change in the model */
134 _track->set_step_editing (false);
138 StepEditor::stop_step_editing ()
141 step_editor->hide ();
144 if (step_edit_region_view) {
145 step_edit_region_view->hide_step_edit_cursor();
148 step_edit_region.reset ();
152 StepEditor::check_step_edit ()
154 MidiRingBuffer<nframes_t>& incoming (_track->step_edit_ring_buffer());
156 uint32_t bufsize = 32;
158 buf = new uint8_t[bufsize];
160 while (incoming.read_space()) {
162 Evoral::EventType type;
165 incoming.read_prefix (&time, &type, &size);
167 if (size > bufsize) {
170 buf = new uint8_t[bufsize];
173 incoming.read_contents (size, buf);
175 if ((buf[0] & 0xf0) == MIDI_CMD_NOTE_ON) {
176 step_add_note (buf[0] & 0xf, buf[1], buf[2], 0.0);
182 StepEditor::step_add_bank_change (uint8_t channel, uint8_t bank)
188 StepEditor::step_add_program_change (uint8_t channel, uint8_t program)
194 StepEditor::step_edit_sustain (Evoral::MusicalTime beats)
196 if (step_edit_region_view) {
197 step_edit_region_view->step_sustain (beats);
202 StepEditor::move_step_edit_beat_pos (Evoral::MusicalTime beats)
205 step_edit_beat_pos = min (step_edit_beat_pos + beats,
206 step_edit_region_view->frames_to_beats (step_edit_region->length()));
207 } else if (beats < 0.0) {
208 if (beats < step_edit_beat_pos) {
209 step_edit_beat_pos += beats; // its negative, remember
211 step_edit_beat_pos = 0;
214 step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
218 StepEditor::step_add_note (uint8_t channel, uint8_t pitch, uint8_t velocity, Evoral::MusicalTime beat_duration)
220 /* do these things in case undo removed the step edit region
222 if (!step_edit_region) {
223 resync_step_edit_position ();
224 prepare_step_edit_region ();
225 reset_step_edit_beat_pos ();
226 step_edit_region_view->show_step_edit_cursor (step_edit_beat_pos);
227 step_edit_region_view->set_step_edit_cursor_width (step_editor->note_length());
230 assert (step_edit_region);
231 assert (step_edit_region_view);
233 if (beat_duration == 0.0) {
235 beat_duration = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
242 MidiStreamView* msv = _mtv.midi_view();
244 /* make sure its visible on the vertical axis */
246 if (pitch < msv->lowest_note() || pitch > msv->highest_note()) {
247 msv->update_note_range (pitch);
248 msv->set_note_range (MidiStreamView::ContentsRange);
251 /* make sure its visible on the horizontal axis */
253 nframes64_t fpos = step_edit_region->position() +
254 step_edit_region_view->beats_to_frames (step_edit_beat_pos + beat_duration);
256 if (fpos >= (_editor.leftmost_position() + _editor.current_page_frames())) {
257 _editor.reset_x_origin (fpos - (_editor.current_page_frames()/4));
260 step_edit_region_view->step_add_note (channel, pitch, velocity, step_edit_beat_pos, beat_duration);
262 if (_step_edit_triplet_countdown > 0) {
263 _step_edit_triplet_countdown--;
265 if (_step_edit_triplet_countdown == 0) {
266 _step_edit_triplet_countdown = 3;
270 if (!_step_edit_within_chord) {
271 step_edit_beat_pos += beat_duration;
272 step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
274 step_edit_beat_pos += 1.0/Meter::ticks_per_beat; // tiny, but no longer overlapping
275 _step_edit_chord_duration = max (_step_edit_chord_duration, beat_duration);
282 StepEditor::set_step_edit_cursor_width (Evoral::MusicalTime beats)
284 if (step_edit_region_view) {
285 step_edit_region_view->set_step_edit_cursor_width (beats);
290 StepEditor::step_edit_within_triplet() const
292 return _step_edit_triplet_countdown > 0;
296 StepEditor::step_edit_within_chord() const
298 return _step_edit_within_chord;
302 StepEditor::step_edit_toggle_triplet ()
304 if (_step_edit_triplet_countdown == 0) {
305 _step_edit_within_chord = false;
306 _step_edit_triplet_countdown = 3;
308 _step_edit_triplet_countdown = 0;
313 StepEditor::step_edit_toggle_chord ()
315 if (_step_edit_within_chord) {
316 _step_edit_within_chord = false;
317 step_edit_beat_pos += _step_edit_chord_duration;
318 step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
320 _step_edit_triplet_countdown = 0;
321 _step_edit_within_chord = true;
326 StepEditor::step_edit_rest (Evoral::MusicalTime beats)
331 beats = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
337 step_edit_beat_pos += beats;
338 step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
343 StepEditor::step_edit_beat_sync ()
345 step_edit_beat_pos = ceil (step_edit_beat_pos);
346 step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
350 StepEditor::step_edit_bar_sync ()
352 Session* _session = _mtv.session ();
354 if (!_session || !step_edit_region_view || !step_edit_region) {
358 framepos_t fpos = step_edit_region->position() +
359 step_edit_region_view->beats_to_frames (step_edit_beat_pos);
360 fpos = _session->tempo_map().round_to_bar (fpos, 1);
361 step_edit_beat_pos = ceil (step_edit_region_view->frames_to_beats (fpos - step_edit_region->position()));
362 step_edit_region_view->move_step_edit_cursor (step_edit_beat_pos);
366 StepEditor::playlist_changed ()
368 step_edit_region_connection.disconnect ();
369 _track->playlist()->RegionRemoved.connect (step_edit_region_connection, invalidator (*this),
370 ui_bind (&StepEditor::region_removed, this, _1),
375 StepEditor::region_removed (boost::weak_ptr<Region> wr)
377 boost::shared_ptr<Region> r (wr.lock());
383 if (step_edit_region == r) {
384 step_edit_region.reset();
385 step_edit_region_view = 0;
386 // force a recompute of the insert position
387 step_edit_beat_pos = -1.0;
392 StepEditor::name() const
394 return _track->name();