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 ("color 62"),
107 *(const_cast<TempoSection*>(ts)), ts->frame(), false));
108 metric_marks.push_back (new TempoMarker (*this, *tempo_group, UIConfiguration::instance().color ("tempo marker"), buf,
109 *(const_cast<TempoSection*>(ts))));
115 const double min_tempo_range = 5.0;
116 const double tempo_delta = fabs (max_tempo - min_tempo);
118 if (tempo_delta < min_tempo_range) {
119 max_tempo += min_tempo_range - tempo_delta;
120 min_tempo += tempo_delta - min_tempo_range;
123 for (Curves::iterator x = tempo_curves.begin(); x != tempo_curves.end(); ) {
124 Curves::iterator tmp = x;
125 (*x)->set_max_tempo (max_tempo);
126 (*x)->set_min_tempo (min_tempo);
128 if (tmp != tempo_curves.end()) {
129 (*x)->set_position ((*x)->tempo().frame(), (*tmp)->tempo().frame());
131 (*x)->set_position ((*x)->tempo().frame(), UINT32_MAX);
136 for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
137 TempoMarker* tempo_marker;
139 if ((tempo_marker = dynamic_cast<TempoMarker*> (*x)) != 0) {
140 tempo_marker->update_height_mark ((tempo_marker->tempo().beats_per_minute() - min_tempo) / max (10.0, max_tempo - min_tempo));
147 Editor::tempo_map_changed (const PropertyChange& /*ignored*/)
153 ENSURE_GUI_THREAD (*this, &Editor::tempo_map_changed, ignored);
156 tempo_lines->tempo_map_changed();
159 std::vector<TempoMap::BBTPoint> grid;
160 compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
161 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
162 draw_measures (grid);
163 update_tempo_based_rulers (grid);
166 struct CurveComparator {
167 bool operator() (TempoCurve const * a, TempoCurve const * b) {
168 return a->position() < b->position();
173 Editor::marker_position_changed ()
179 ENSURE_GUI_THREAD (*this, &Editor::tempo_map_changed);
182 tempo_lines->tempo_map_changed();
185 double max_tempo = 0.0;
186 double min_tempo = DBL_MAX;
188 for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
189 TempoMarker* tempo_marker;
190 MeterMarker* meter_marker;
191 const TempoSection *ts;
192 const MeterSection *ms;
194 if ((tempo_marker = dynamic_cast<TempoMarker*> (*x)) != 0) {
195 if ((ts = &tempo_marker->tempo()) != 0) {
196 tempo_marker->set_position (ts->frame ());
198 snprintf (buf, sizeof (buf), "%.3f", ts->beats_per_minute());
199 tempo_marker->set_name (buf);
201 max_tempo = max (max_tempo, ts->beats_per_minute());
202 min_tempo = min (min_tempo, ts->beats_per_minute());
205 if ((meter_marker = dynamic_cast<MeterMarker*> (*x)) != 0) {
206 if ((ms = &meter_marker->meter()) != 0) {
207 meter_marker->set_position (ms->frame ());
212 tempo_curves.sort (CurveComparator());
214 const double min_tempo_range = 5.0;
215 const double tempo_delta = fabs (max_tempo - min_tempo);
217 if (tempo_delta < min_tempo_range) {
218 max_tempo += min_tempo_range - tempo_delta;
219 min_tempo += tempo_delta - min_tempo_range;
222 for (Curves::iterator x = tempo_curves.begin(); x != tempo_curves.end(); ) {
223 Curves::iterator tmp = x;
224 (*x)->set_max_tempo (max_tempo);
225 (*x)->set_min_tempo (min_tempo);
227 if (tmp != tempo_curves.end()) {
228 (*x)->set_position ((*x)->tempo().frame(), (*tmp)->tempo().frame());
230 (*x)->set_position ((*x)->tempo().frame(), UINT32_MAX);
235 for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
236 TempoMarker* tempo_marker;
237 if ((tempo_marker = dynamic_cast<TempoMarker*> (*x)) != 0) {
238 tempo_marker->update_height_mark ((tempo_marker->tempo().beats_per_minute() - min_tempo) / max (max_tempo - min_tempo, 10.0));
242 std::vector<TempoMap::BBTPoint> grid;
243 compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
244 draw_measures (grid);
245 update_tempo_based_rulers (grid);
249 Editor::redisplay_tempo (bool immediate_redraw)
255 if (immediate_redraw) {
256 std::vector<TempoMap::BBTPoint> grid;
258 compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
259 draw_measures (grid);
260 update_tempo_based_rulers (grid); // redraw rulers and measure lines
263 Glib::signal_idle().connect (sigc::bind_return (sigc::bind (sigc::mem_fun (*this, &Editor::redisplay_tempo), true), false));
267 /* computes a grid starting a beat before and ending a beat after leftmost and rightmost respectively */
269 Editor::compute_current_bbt_points (std::vector<TempoMap::BBTPoint>& grid, framepos_t leftmost, framepos_t rightmost)
275 /* prevent negative values of leftmost from creeping into tempomap
277 const double lower_beat = floor (_session->tempo_map().beat_at_frame (leftmost)) - 1.0;
278 _session->tempo_map().get_grid (grid, max (_session->tempo_map().frame_at_beat (lower_beat), (framepos_t) 0), rightmost);
282 Editor::hide_measures ()
290 Editor::draw_measures (std::vector<ARDOUR::TempoMap::BBTPoint>& grid)
292 if (_session == 0 || _show_measures == false || distance (grid.begin(), grid.end()) == 0) {
296 if (tempo_lines == 0) {
297 tempo_lines = new TempoLines (time_line_group, ArdourCanvas::LineSet::Vertical);
300 const unsigned divisions = get_grid_beat_divisions(leftmost_frame);
301 tempo_lines->draw (grid, divisions, leftmost_frame, _session->frame_rate());
305 Editor::mouse_add_new_tempo_event (framepos_t frame)
311 TempoMap& map(_session->tempo_map());
313 begin_reversible_command (_("add tempo mark"));
314 const double pulse = map.pulse_at_frame (frame);
317 XMLNode &before = map.get_state();
318 /* add music-locked ramped (?) tempo using the bpm/note type at frame*/
319 map.add_tempo (map.tempo_at_frame (frame), pulse, 0, TempoSection::Ramp, MusicTime);
321 XMLNode &after = map.get_state();
322 _session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
323 commit_reversible_command ();
330 Editor::mouse_add_new_meter_event (framepos_t frame)
337 TempoMap& map(_session->tempo_map());
338 MeterDialog meter_dialog (map, frame, _("add"));
340 switch (meter_dialog.run ()) {
341 case RESPONSE_ACCEPT:
347 double bpb = meter_dialog.get_bpb ();
348 bpb = max (1.0, bpb); // XXX is this a reasonable limit?
350 double note_type = meter_dialog.get_note_type ();
351 Timecode::BBT_Time requested;
353 meter_dialog.get_bbt_time (requested);
355 begin_reversible_command (_("add meter mark"));
356 XMLNode &before = map.get_state();
358 if (meter_dialog.get_lock_style() == MusicTime) {
359 map.add_meter (Meter (bpb, note_type), map.beat_at_bbt (requested), requested, 0, MusicTime);
361 map.add_meter (Meter (bpb, note_type), map.beat_at_bbt (requested), requested, map.frame_time (requested), AudioTime);
364 _session->add_command(new MementoCommand<TempoMap>(map, &before, &map.get_state()));
365 commit_reversible_command ();
371 Editor::remove_tempo_marker (ArdourCanvas::Item* item)
373 ArdourMarker* marker;
374 TempoMarker* tempo_marker;
376 if ((marker = reinterpret_cast<ArdourMarker *> (item->get_data ("marker"))) == 0) {
377 fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
378 abort(); /*NOTREACHED*/
381 if ((tempo_marker = dynamic_cast<TempoMarker*> (marker)) == 0) {
382 fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
383 abort(); /*NOTREACHED*/
386 if (tempo_marker->tempo().movable()) {
387 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &Editor::real_remove_tempo_marker), &tempo_marker->tempo()));
392 Editor::edit_meter_section (MeterSection* section)
394 MeterDialog meter_dialog (_session->tempo_map(), *section, _("done"));
396 switch (meter_dialog.run()) {
397 case RESPONSE_ACCEPT:
403 double bpb = meter_dialog.get_bpb ();
404 bpb = max (1.0, bpb); // XXX is this a reasonable limit?
406 double const note_type = meter_dialog.get_note_type ();
407 Timecode::BBT_Time when;
408 meter_dialog.get_bbt_time (when);
409 framepos_t const frame = _session->tempo_map().frame_time (when);
411 begin_reversible_command (_("replace meter mark"));
412 XMLNode &before = _session->tempo_map().get_state();
414 _session->tempo_map().replace_meter (*section, Meter (bpb, note_type), when, frame, meter_dialog.get_lock_style());
416 XMLNode &after = _session->tempo_map().get_state();
417 _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
418 commit_reversible_command ();
422 Editor::edit_tempo_section (TempoSection* section)
424 TempoDialog tempo_dialog (_session->tempo_map(), *section, _("done"));
426 switch (tempo_dialog.run ()) {
427 case RESPONSE_ACCEPT:
433 double bpm = tempo_dialog.get_bpm ();
434 double nt = tempo_dialog.get_note_type ();
435 Timecode::BBT_Time when;
437 tempo_dialog.get_bbt_time (when);
439 bpm = max (0.01, bpm);
441 begin_reversible_command (_("replace tempo mark"));
442 XMLNode &before = _session->tempo_map().get_state();
444 if (tempo_dialog.get_lock_style() == AudioTime) {
445 framepos_t const f = _session->tempo_map().predict_tempo_position (section, when).second;
446 _session->tempo_map().replace_tempo (*section, Tempo (bpm, nt), 0.0, f, tempo_dialog.get_tempo_type(), AudioTime);
448 double const p = _session->tempo_map().predict_tempo_position (section, when).first;
449 _session->tempo_map().replace_tempo (*section, Tempo (bpm, nt), p, 0, tempo_dialog.get_tempo_type(), MusicTime);
452 XMLNode &after = _session->tempo_map().get_state();
453 _session->add_command (new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
454 commit_reversible_command ();
458 Editor::edit_tempo_marker (TempoMarker& tm)
460 edit_tempo_section (&tm.tempo());
464 Editor::edit_meter_marker (MeterMarker& mm)
466 edit_meter_section (&mm.meter());
470 Editor::real_remove_tempo_marker (TempoSection *section)
472 begin_reversible_command (_("remove tempo mark"));
473 XMLNode &before = _session->tempo_map().get_state();
474 _session->tempo_map().remove_tempo (*section, true);
475 XMLNode &after = _session->tempo_map().get_state();
476 _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
477 commit_reversible_command ();
483 Editor::remove_meter_marker (ArdourCanvas::Item* item)
485 ArdourMarker* marker;
486 MeterMarker* meter_marker;
488 if ((marker = reinterpret_cast<ArdourMarker *> (item->get_data ("marker"))) == 0) {
489 fatal << _("programming error: meter marker canvas item has no marker object pointer!") << endmsg;
490 abort(); /*NOTREACHED*/
493 if ((meter_marker = dynamic_cast<MeterMarker*> (marker)) == 0) {
494 fatal << _("programming error: marker for meter is not a meter marker!") << endmsg;
495 abort(); /*NOTREACHED*/
498 if (meter_marker->meter().movable()) {
499 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &Editor::real_remove_meter_marker), &meter_marker->meter()));
504 Editor::real_remove_meter_marker (MeterSection *section)
506 begin_reversible_command (_("remove tempo mark"));
507 XMLNode &before = _session->tempo_map().get_state();
508 _session->tempo_map().remove_meter (*section, true);
509 XMLNode &after = _session->tempo_map().get_state();
510 _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
511 commit_reversible_command ();