2 Copyright (C) 2002 Paul Davis
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.
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.
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.
21 #include "gtk2ardour-config.h"
24 #include <cstdio> // for sprintf, grrr
30 #include "pbd/error.h"
31 #include "pbd/memento_command.h"
33 #include <gtkmm2ext/utils.h>
34 #include <gtkmm2ext/gtk_ui.h>
36 #include "ardour/session.h"
37 #include "ardour/tempo.h"
38 #include <gtkmm2ext/doi.h>
39 #include <gtkmm2ext/utils.h>
41 #include "canvas/canvas.h"
42 #include "canvas/item.h"
43 #include "canvas/line_set.h"
47 #include "tempo_dialog.h"
48 #include "rgb_macros.h"
49 #include "gui_thread.h"
50 #include "time_axis_view.h"
51 #include "tempo_lines.h"
52 #include "ui_config.h"
57 using namespace ARDOUR;
60 using namespace Gtkmm2ext;
61 using namespace Editing;
64 Editor::remove_metric_marks ()
66 /* don't delete these while handling events, just punt till the GUI is idle */
68 for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
69 delete_when_idle (*x);
71 metric_marks.clear ();
73 for (Curves::iterator x = tempo_curves.begin(); x != tempo_curves.end(); ++x) {
76 tempo_curves.clear ();
80 Editor::draw_metric_marks (const Metrics& metrics)
83 double max_tempo = 0.0;
84 double min_tempo = DBL_MAX;
86 remove_metric_marks (); // also clears tempo curves
88 for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
89 const MeterSection *ms;
90 const TempoSection *ts;
92 if ((ms = dynamic_cast<const MeterSection*>(*i)) != 0) {
93 snprintf (buf, sizeof(buf), "%g/%g", ms->divisions_per_bar(), ms->note_divisor ());
94 metric_marks.push_back (new MeterMarker (*this, *meter_group, UIConfiguration::instance().color ("meter marker"), buf,
95 *(const_cast<MeterSection*>(ms))));
96 } else if ((ts = dynamic_cast<const TempoSection*>(*i)) != 0) {
97 if (UIConfiguration::instance().get_allow_non_quarter_pulse()) {
98 snprintf (buf, sizeof (buf), "%.3f/%.0f", ts->beats_per_minute(), ts->note_type());
100 snprintf (buf, sizeof (buf), "%.3f", ts->beats_per_minute());
103 max_tempo = max (max_tempo, ts->beats_per_minute());
104 min_tempo = min (min_tempo, ts->beats_per_minute());
106 tempo_curves.push_back (new TempoCurve (*this, *tempo_group, UIConfiguration::instance().color ("tempo curve"),
107 *(const_cast<TempoSection*>(ts)), ts->frame(), false));
108 if (ts->position_lock_style() == MusicTime) {
109 metric_marks.push_back (new TempoMarker (*this, *tempo_group, UIConfiguration::instance().color ("tempo marker music"), buf,
110 *(const_cast<TempoSection*>(ts))));
112 metric_marks.push_back (new TempoMarker (*this, *tempo_group, UIConfiguration::instance().color ("tempo marker"), buf,
113 *(const_cast<TempoSection*>(ts))));
120 const double min_tempo_range = 5.0;
121 const double tempo_delta = fabs (max_tempo - min_tempo);
123 if (tempo_delta < min_tempo_range) {
124 max_tempo += min_tempo_range - tempo_delta;
125 min_tempo += tempo_delta - min_tempo_range;
128 for (Curves::iterator x = tempo_curves.begin(); x != tempo_curves.end(); ) {
129 Curves::iterator tmp = x;
130 (*x)->set_max_tempo (max_tempo);
131 (*x)->set_min_tempo (min_tempo);
133 if (tmp != tempo_curves.end()) {
134 (*x)->set_position ((*x)->tempo().frame(), (*tmp)->tempo().frame());
136 (*x)->set_position ((*x)->tempo().frame(), UINT32_MAX);
141 for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
142 TempoMarker* tempo_marker;
144 if ((tempo_marker = dynamic_cast<TempoMarker*> (*x)) != 0) {
145 tempo_marker->update_height_mark ((tempo_marker->tempo().beats_per_minute() - min_tempo) / max (10.0, max_tempo - min_tempo));
152 Editor::tempo_map_changed (const PropertyChange& /*ignored*/)
158 ENSURE_GUI_THREAD (*this, &Editor::tempo_map_changed, ignored);
161 tempo_lines->tempo_map_changed();
164 std::vector<TempoMap::BBTPoint> grid;
165 compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
166 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
167 draw_measures (grid);
168 update_tempo_based_rulers (grid);
171 struct CurveComparator {
172 bool operator() (TempoCurve const * a, TempoCurve const * b) {
173 return a->position() < b->position();
178 Editor::marker_position_changed ()
184 ENSURE_GUI_THREAD (*this, &Editor::tempo_map_changed);
187 tempo_lines->tempo_map_changed();
190 double max_tempo = 0.0;
191 double min_tempo = DBL_MAX;
193 for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
194 TempoMarker* tempo_marker;
195 MeterMarker* meter_marker;
196 const TempoSection *ts;
197 const MeterSection *ms;
199 if ((tempo_marker = dynamic_cast<TempoMarker*> (*x)) != 0) {
200 if ((ts = &tempo_marker->tempo()) != 0) {
201 tempo_marker->set_position (ts->frame ());
203 snprintf (buf, sizeof (buf), "%.3f", ts->beats_per_minute());
204 tempo_marker->set_name (buf);
206 max_tempo = max (max_tempo, ts->beats_per_minute());
207 min_tempo = min (min_tempo, ts->beats_per_minute());
210 if ((meter_marker = dynamic_cast<MeterMarker*> (*x)) != 0) {
211 if ((ms = &meter_marker->meter()) != 0) {
212 meter_marker->set_position (ms->frame ());
217 tempo_curves.sort (CurveComparator());
219 const double min_tempo_range = 5.0;
220 const double tempo_delta = fabs (max_tempo - min_tempo);
222 if (tempo_delta < min_tempo_range) {
223 max_tempo += min_tempo_range - tempo_delta;
224 min_tempo += tempo_delta - min_tempo_range;
227 for (Curves::iterator x = tempo_curves.begin(); x != tempo_curves.end(); ) {
228 Curves::iterator tmp = x;
229 (*x)->set_max_tempo (max_tempo);
230 (*x)->set_min_tempo (min_tempo);
232 if (tmp != tempo_curves.end()) {
233 (*x)->set_position ((*x)->tempo().frame(), (*tmp)->tempo().frame());
235 (*x)->set_position ((*x)->tempo().frame(), UINT32_MAX);
240 for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
241 TempoMarker* tempo_marker;
242 if ((tempo_marker = dynamic_cast<TempoMarker*> (*x)) != 0) {
243 tempo_marker->update_height_mark ((tempo_marker->tempo().beats_per_minute() - min_tempo) / max (max_tempo - min_tempo, 10.0));
247 std::vector<TempoMap::BBTPoint> grid;
248 compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
249 draw_measures (grid);
250 update_tempo_based_rulers (grid);
254 Editor::redisplay_tempo (bool immediate_redraw)
260 if (immediate_redraw) {
261 std::vector<TempoMap::BBTPoint> grid;
263 compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
264 draw_measures (grid);
265 update_tempo_based_rulers (grid); // redraw rulers and measure lines
268 Glib::signal_idle().connect (sigc::bind_return (sigc::bind (sigc::mem_fun (*this, &Editor::redisplay_tempo), true), false));
272 /* computes a grid starting a beat before and ending a beat after leftmost and rightmost respectively */
274 Editor::compute_current_bbt_points (std::vector<TempoMap::BBTPoint>& grid, framepos_t leftmost, framepos_t rightmost)
280 /* prevent negative values of leftmost from creeping into tempomap
282 const double lower_beat = floor (_session->tempo_map().beat_at_frame (leftmost)) - 1.0;
283 _session->tempo_map().get_grid (grid, max (_session->tempo_map().frame_at_beat (lower_beat), (framepos_t) 0), rightmost);
287 Editor::hide_measures ()
295 Editor::draw_measures (std::vector<ARDOUR::TempoMap::BBTPoint>& grid)
297 if (_session == 0 || _show_measures == false || distance (grid.begin(), grid.end()) == 0) {
301 if (tempo_lines == 0) {
302 tempo_lines = new TempoLines (time_line_group, ArdourCanvas::LineSet::Vertical);
305 const unsigned divisions = get_grid_beat_divisions(leftmost_frame);
306 tempo_lines->draw (grid, divisions, leftmost_frame, _session->frame_rate());
310 Editor::mouse_add_new_tempo_event (framepos_t frame)
316 TempoMap& map(_session->tempo_map());
318 begin_reversible_command (_("add tempo mark"));
319 const double pulse = map.pulse_at_frame (frame);
322 XMLNode &before = map.get_state();
323 /* add music-locked ramped (?) tempo using the bpm/note type at frame*/
324 map.add_tempo (map.tempo_at_frame (frame), pulse, 0, TempoSection::Ramp, MusicTime);
326 XMLNode &after = map.get_state();
327 _session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
328 commit_reversible_command ();
335 Editor::mouse_add_new_meter_event (framepos_t frame)
342 TempoMap& map(_session->tempo_map());
343 MeterDialog meter_dialog (map, frame, _("add"));
345 switch (meter_dialog.run ()) {
346 case RESPONSE_ACCEPT:
352 double bpb = meter_dialog.get_bpb ();
353 bpb = max (1.0, bpb); // XXX is this a reasonable limit?
355 double note_type = meter_dialog.get_note_type ();
357 Timecode::BBT_Time requested;
358 meter_dialog.get_bbt_time (requested);
360 const double beat = map.beat_at_bbt (requested);
362 begin_reversible_command (_("add meter mark"));
363 XMLNode &before = map.get_state();
365 if (meter_dialog.get_lock_style() == MusicTime) {
366 map.add_meter (Meter (bpb, note_type), beat, requested, map.frame_at_beat (beat), MusicTime);
368 map.add_meter (Meter (bpb, note_type), beat, requested, map.frame_at_beat (beat), AudioTime);
371 _session->add_command(new MementoCommand<TempoMap>(map, &before, &map.get_state()));
372 commit_reversible_command ();
378 Editor::remove_tempo_marker (ArdourCanvas::Item* item)
380 ArdourMarker* marker;
381 TempoMarker* tempo_marker;
383 if ((marker = reinterpret_cast<ArdourMarker *> (item->get_data ("marker"))) == 0) {
384 fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
385 abort(); /*NOTREACHED*/
388 if ((tempo_marker = dynamic_cast<TempoMarker*> (marker)) == 0) {
389 fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
390 abort(); /*NOTREACHED*/
393 if (tempo_marker->tempo().movable()) {
394 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &Editor::real_remove_tempo_marker), &tempo_marker->tempo()));
399 Editor::edit_meter_section (MeterSection* section)
401 MeterDialog meter_dialog (_session->tempo_map(), *section, _("done"));
403 switch (meter_dialog.run()) {
404 case RESPONSE_ACCEPT:
410 double bpb = meter_dialog.get_bpb ();
411 bpb = max (1.0, bpb); // XXX is this a reasonable limit?
413 double const note_type = meter_dialog.get_note_type ();
414 const Meter meter (bpb, note_type);
416 Timecode::BBT_Time when;
417 meter_dialog.get_bbt_time (when);
419 framepos_t const frame = _session->tempo_map().frame_at_bbt (when);
420 const PositionLockStyle pls = (meter_dialog.get_lock_style() == AudioTime) ? AudioTime : MusicTime;
422 begin_reversible_command (_("replace meter mark"));
423 XMLNode &before = _session->tempo_map().get_state();
425 _session->tempo_map().replace_meter (*section, meter, when, frame, pls);
427 XMLNode &after = _session->tempo_map().get_state();
428 _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
429 commit_reversible_command ();
433 Editor::edit_tempo_section (TempoSection* section)
435 TempoDialog tempo_dialog (_session->tempo_map(), *section, _("done"));
437 switch (tempo_dialog.run ()) {
438 case RESPONSE_ACCEPT:
444 double bpm = tempo_dialog.get_bpm ();
445 double nt = tempo_dialog.get_note_type ();
446 bpm = max (0.01, bpm);
447 const Tempo tempo (bpm, nt);
449 Timecode::BBT_Time when;
450 tempo_dialog.get_bbt_time (when);
452 const TempoSection::Type ttype (tempo_dialog.get_tempo_type());
454 begin_reversible_command (_("replace tempo mark"));
455 XMLNode &before = _session->tempo_map().get_state();
457 if (tempo_dialog.get_lock_style() == AudioTime) {
458 framepos_t const f = _session->tempo_map().predict_tempo_position (section, when).second;
459 _session->tempo_map().replace_tempo (*section, tempo, 0.0, f, ttype, AudioTime);
461 double const p = _session->tempo_map().predict_tempo_position (section, when).first;
462 _session->tempo_map().replace_tempo (*section, tempo, p, 0, ttype, MusicTime);
465 XMLNode &after = _session->tempo_map().get_state();
466 _session->add_command (new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
467 commit_reversible_command ();
471 Editor::edit_tempo_marker (TempoMarker& tm)
473 edit_tempo_section (&tm.tempo());
477 Editor::edit_meter_marker (MeterMarker& mm)
479 edit_meter_section (&mm.meter());
483 Editor::real_remove_tempo_marker (TempoSection *section)
485 begin_reversible_command (_("remove tempo mark"));
486 XMLNode &before = _session->tempo_map().get_state();
487 _session->tempo_map().remove_tempo (*section, true);
488 XMLNode &after = _session->tempo_map().get_state();
489 _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
490 commit_reversible_command ();
496 Editor::remove_meter_marker (ArdourCanvas::Item* item)
498 ArdourMarker* marker;
499 MeterMarker* meter_marker;
501 if ((marker = reinterpret_cast<ArdourMarker *> (item->get_data ("marker"))) == 0) {
502 fatal << _("programming error: meter marker canvas item has no marker object pointer!") << endmsg;
503 abort(); /*NOTREACHED*/
506 if ((meter_marker = dynamic_cast<MeterMarker*> (marker)) == 0) {
507 fatal << _("programming error: marker for meter is not a meter marker!") << endmsg;
508 abort(); /*NOTREACHED*/
511 if (meter_marker->meter().movable()) {
512 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &Editor::real_remove_meter_marker), &meter_marker->meter()));
517 Editor::real_remove_meter_marker (MeterSection *section)
519 begin_reversible_command (_("remove tempo mark"));
520 XMLNode &before = _session->tempo_map().get_state();
521 _session->tempo_map().remove_meter (*section, true);
522 XMLNode &after = _session->tempo_map().get_state();
523 _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
524 commit_reversible_command ();