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livetrax/gtk2_ardour/editor_tempodisplay.cc

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/*
* Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2006-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2008-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2014-2015 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2017-2018 Ben Loftis <ben@harrisonconsoles.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <cstdio> // for sprintf, grrr
#include <cstdlib>
#include <cmath>
#include <string>
#include <climits>
#include "pbd/error.h"
#include "pbd/memento_command.h"
#include "pbd/unwind.h"
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/gtk_ui.h>
#include "ardour/session.h"
#include "ardour/tempo.h"
#include <gtkmm2ext/doi.h>
#include <gtkmm2ext/utils.h>
#include "canvas/canvas.h"
#include "canvas/item.h"
#include "canvas/line_set.h"
#include "automation_streamview.h"
#include "bbt_marker_dialog.h"
#include "editor.h"
#include "marker.h"
#include "tempo_dialog.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "tempo_map_change.h"
#include "time_axis_view.h"
#include "grid_lines.h"
#include "region_view.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace Editing;
using namespace Temporal;
void
Editor::remove_metric_marks ()
{
/* don't delete these while handling events, just punt till the GUI is idle */
for (auto & m : tempo_marks) {
delete_when_idle (m);
}
for (auto & m : meter_marks) {
delete_when_idle (m);
}
for (auto & m : bbt_marks) {
delete_when_idle (m);
}
tempo_marks.clear ();
meter_marks.clear ();
bbt_marks.clear ();
}
void
Editor::reassociate_metric_markers (TempoMap::SharedPtr const& tmap)
{
TempoMap::Metrics metrics;
for (auto & t : tempo_marks) {
reassociate_tempo_marker (tmap, tmap->tempos(), *dynamic_cast<TempoMarker*> (t));
}
for (auto & m : meter_marks) {
reassociate_meter_marker (tmap, tmap->meters(), *dynamic_cast<MeterMarker*> (m));
}
for (auto & b : bbt_marks) {
reassociate_bartime_marker (tmap, tmap->bartimes(), *dynamic_cast<BBTMarker*> (b));
}
}
void
Editor::reassociate_tempo_marker (TempoMap::SharedPtr const & tmap, Tempos const & tempos, TempoMarker& marker)
{
for (auto const & tempo : tempos) {
if (marker.point().sclock() == tempo.sclock()) {
marker.reset_tempo (tempo);
marker.curve().reset_point (tempo);
break;
}
}
}
void
Editor::reassociate_meter_marker (TempoMap::SharedPtr const & tmap, Meters const & meters, MeterMarker& marker)
{
for (auto const & meter : meters) {
if (marker.point().sclock() == meter.sclock()) {
marker.reset_meter (meter);
break;
}
}
}
void
Editor::reassociate_bartime_marker (TempoMap::SharedPtr const & tmap, MusicTimes const & bartimes, BBTMarker& marker)
{
for (auto const & bartime : bartimes) {
if (marker.point().sclock() == bartime.sclock()) {
marker.reset_point (bartime);
break;
}
}
}
void
Editor::make_bbt_marker (MusicTimePoint const * mtp, Marks::iterator before)
{
bbt_marks.insert (before, new BBTMarker (*this, *bbt_ruler, "meter marker", *mtp));
}
void
Editor::make_meter_marker (Temporal::MeterPoint const * ms, Marks::iterator before)
{
char buf[64];
snprintf (buf, sizeof(buf), "%d/%d", ms->divisions_per_bar(), ms->note_value ());
meter_marks.insert (before, new MeterMarker (*this, *meter_group, "meter marker", buf, *ms));
}
void
Editor::make_tempo_marker (Temporal::TempoPoint const * ts, TempoPoint const *& prev_ts, uint32_t tc_color, samplecnt_t sr, Marks::iterator before)
{
const std::string tname (X_(""));
char const * color_name = X_("tempo marker");
tempo_marks.insert (before, new TempoMarker (*this, *tempo_group, color_name, tname, *ts, ts->sample (sr), tc_color));
/* XXX the point of this code was "a jump in tempo by more than 1 ntpm results in a red
tempo mark pointer." (3a7bc1fd3f32f0)
*/
if (prev_ts && abs (prev_ts->end_note_types_per_minute() - ts->note_types_per_minute()) < 1.0) {
tempo_marks.back()->set_points_color ("tempo marker music");
} else {
tempo_marks.back()->set_points_color ("tempo marker");
}
prev_ts = ts;
}
void
Editor::reset_metric_marks ()
{
reset_tempo_marks ();
reset_meter_marks ();
/* Must come last, after temp and meter marks are created and are discoverable */
reset_bbt_marks ();
}
void
Editor::reset_tempo_marks ()
{
if (!_session) {
return;
}
const uint32_t tc_color = UIConfiguration::instance().color ("tempo curve");
const samplecnt_t sr (_session->sample_rate());
Tempos const & tempi (TempoMap::use()->tempos());
TempoPoint const * prev_ts = 0;
for (auto & t : tempo_marks) {
delete t;
}
tempo_marks.clear ();
for (auto const & t : tempi) {
make_tempo_marker (&t, prev_ts, tc_color, sr, tempo_marks.end());
prev_ts = &t;
}
double max_tempo;
double min_tempo;
set_tempo_curve_range (max_tempo, min_tempo);
update_tempo_curves (min_tempo, max_tempo, sr);
}
void
Editor::reset_meter_marks ()
{
if (!_session) {
return;
}
Meters const & meters (TempoMap::use()->meters());
for (auto & m : meter_marks) {
delete m;
}
meter_marks.clear ();
for (auto const & m : meters) {
make_meter_marker (&m, meter_marks.end());
}
}
void
Editor::reset_bbt_marks ()
{
if (!_session) {
return;
}
Temporal::TempoMap::SharedPtr tmap (TempoMap::use());
MusicTimes const & bartimes (tmap->bartimes());
for (auto & b : bbt_marks) {
delete b;
}
bbt_marks.clear ();
for (auto const & b : bartimes) {
make_bbt_marker (&b, bbt_marks.end());
}
}
void
Editor::update_tempo_curves (double min_tempo, double max_tempo, samplecnt_t sr)
{
for (Marks::iterator m = tempo_marks.begin(); m != tempo_marks.end(); ++m) {
TempoMarker* tm = static_cast<TempoMarker*>(*m);
Marks::iterator tmp = m;
++tmp;
TempoCurve& curve (tm->curve());
curve.update_range (min_tempo, max_tempo);
if (tmp != tempo_marks.end()) {
TempoMarker* nxt = static_cast<TempoMarker*>(*tmp);
curve.set_duration (nxt->tempo().sample(sr) - tm->tempo().sample(sr));
} else {
curve.set_duration (samplecnt_t (UINT32_MAX));
}
if (!tm->tempo().active()) {
curve.hide();
} else {
curve.show();
}
}
}
void
Editor::tempo_map_changed ()
{
if (ignore_map_change) {
return;
}
TempoMap::SharedPtr current_map = TempoMap::fetch ();
/* If the tempo map was changed by something other than the Editor, we
* will need to reassociate all visual elements used for tempo display
* with the new map.
*/
reset_metric_marks ();
update_tempo_based_rulers ();
update_all_marker_lanes ();
maybe_draw_grid_lines ();
}
void
Editor::redisplay_grid (bool immediate_redraw)
{
if (!_session) {
return;
}
if (immediate_redraw) {
update_tempo_based_rulers ();
update_grid();
} else {
Glib::signal_idle().connect (sigc::bind_return (sigc::bind (sigc::mem_fun (*this, &Editor::redisplay_grid), true), false));
}
}
void
Editor::tempo_curve_selected (Temporal::TempoPoint const * ts, bool yn)
{
if (ts == 0) {
return;
}
for (Marks::iterator x = tempo_marks.begin(); x != tempo_marks.end(); ++x) {
TempoMarker* tm = static_cast<TempoMarker*> (*x);
if (&tm->tempo() == ts) {
if (yn) {
tm->curve().set_color_rgba (UIConfiguration::instance().color ("location marker"));
} else {
tm->curve().set_color_rgba (UIConfiguration::instance().color ("tempo curve"));
}
break;
}
}
}
/* computes a grid starting a beat before and ending a beat after leftmost and rightmost respectively */
void
Editor::compute_current_bbt_points (Temporal::TempoMapPoints& grid, samplepos_t leftmost, samplepos_t rightmost)
{
if (!_session) {
return;
}
TempoMap::SharedPtr tmap (TempoMap::use());
/* prevent negative values of leftmost from creeping into tempomap
*/
const Beats left = tmap->quarters_at_sample (leftmost).round_down_to_beat();
const Beats lower_beat = (left < Beats() ? Beats() : left);
const samplecnt_t sr (_session->sample_rate());
switch (bbt_ruler_scale) {
case bbt_show_quarters:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 1);
break;
case bbt_show_eighths:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 2);
break;
case bbt_show_sixteenths:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 4);
break;
case bbt_show_thirtyseconds:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 8);
break;
case bbt_show_sixtyfourths:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 16);
break;
case bbt_show_onetwentyeighths:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 32);
break;
case bbt_show_1:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 1);
break;
case bbt_show_4:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 4);
break;
case bbt_show_16:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 16);
break;
case bbt_show_64:
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 64);
break;
default:
/* bbt_show_many */
tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 128);
break;
}
}
void
Editor::hide_grid_lines ()
{
if (grid_lines) {
grid_lines->hide();
}
}
void
Editor::maybe_draw_grid_lines ()
{
if ( _session == 0 ) {
return;
}
if (grid_lines == 0) {
grid_lines = new GridLines (time_line_group, ArdourCanvas::LineSet::Vertical);
}
grid_marks.clear();
samplepos_t rightmost_sample = _leftmost_sample + current_page_samples();
if ( grid_musical() ) {
metric_get_bbt (grid_marks, _leftmost_sample, rightmost_sample, 12);
} else if (_grid_type== GridTypeTimecode) {
metric_get_timecode (grid_marks, _leftmost_sample, rightmost_sample, 12);
} else if (_grid_type == GridTypeCDFrame) {
metric_get_minsec (grid_marks, _leftmost_sample, rightmost_sample, 12);
} else if (_grid_type == GridTypeMinSec) {
metric_get_minsec (grid_marks, _leftmost_sample, rightmost_sample, 12);
}
grid_lines->draw (grid_marks);
grid_lines->show();
}
void
Editor::mouse_add_new_tempo_event (timepos_t pos)
{
if (_session == 0) {
return;
}
if (pos.beats() > Beats()) {
TempoMapChange tmc (*this, _("add tempo mark"));
tmc.map().set_tempo (tmc.map().tempo_at (pos), pos);
}
//map.dump (cerr);
}
void
Editor::mouse_add_new_meter_event (timepos_t pos)
{
if (_session == 0) {
return;
}
MeterDialog meter_dialog (TempoMap::use(), pos, _("add"));
switch (meter_dialog.run ()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
double bpb = meter_dialog.get_bpb ();
bpb = max (1.0, bpb); // XXX is this a reasonable limit?
double note_type = meter_dialog.get_note_type ();
Temporal::BBT_Time r;
meter_dialog.get_bbt_time (r);
Temporal::BBT_Argument requested (superclock_t (0), r);
TempoMapChange tmc (*this, _("add time signature"));
pos = timepos_t (tmc.map().quarters_at (requested));
tmc.map().set_meter (Meter (bpb, note_type), pos);
}
void
Editor::add_bbt_marker_at_playhead_cursor ()
{
if (_session == 0) {
return;
}
mouse_add_bbt_marker_event (timepos_t (_session->transport_sample ()));
}
void
Editor::mouse_add_bbt_marker_event (timepos_t pos)
{
if (_session == 0) {
return;
}
/* position markers must always be positioned using audio time */
BBTMarkerDialog marker_dialog (timepos_t (pos.samples()), BBT_Time ());
/* run this modally since we are finishing a drag and the drag object
* will be destroyed when we return from here
*/
int result = marker_dialog.run ();
switch (result) {
case RESPONSE_ACCEPT:
case RESPONSE_OK:
break;
default:
return;
}
BBT_Time bbt;
std::string name;
bbt = marker_dialog.bbt_value ();
name = marker_dialog.name();
TempoMapChange tmc (*this, _("add BBT marker"));
tmc.map().set_bartime (bbt, marker_dialog.position(), name);
}
void
Editor::remove_bbt_marker (ArdourCanvas::Item* item)
{
ArdourMarker* marker;
BBTMarker* bbt_marker;
if ((marker = reinterpret_cast<ArdourMarker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: bbt marker canvas item has no marker object pointer!") << endmsg;
abort(); /*NOTREACHED*/
}
if ((bbt_marker = dynamic_cast<BBTMarker*> (marker)) == 0) {
fatal << _("programming error: marker for bbt is not a bbt marker!") << endmsg;
abort(); /*NOTREACHED*/
}
Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &Editor::real_remove_bbt_marker), &bbt_marker->mt_point()));
}
void
Editor::remove_tempo_marker (ArdourCanvas::Item* item)
{
ArdourMarker* marker;
TempoMarker* tempo_marker;
if ((marker = reinterpret_cast<ArdourMarker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
abort(); /*NOTREACHED*/
}
if ((tempo_marker = dynamic_cast<TempoMarker*> (marker)) == 0) {
fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
abort(); /*NOTREACHED*/
}
if (!tempo_marker->tempo().locked_to_meter() && tempo_marker->tempo().active()) {
Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &Editor::real_remove_tempo_marker), &tempo_marker->tempo()));
}
}
void
Editor::edit_meter_section (Temporal::MeterPoint& section)
{
MeterDialog meter_dialog (section, _("done"));
switch (meter_dialog.run()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
Temporal::TempoMetric tm (TempoMap::use()->metric_at (timepos_t (section.sample(TEMPORAL_SAMPLE_RATE))));
Temporal::MeterPoint const * mpp (TempoMap::use()->previous_meter (tm.meter()));
double bpb = meter_dialog.get_bpb ();
bpb = max (1.0, bpb); // XXX is this a reasonable limit?
double const note_type = meter_dialog.get_note_type ();
const Meter meter (bpb, note_type);
Temporal::Beats new_pos;
MusicTimePoint* mtp;
if ((mtp = dynamic_cast<Temporal::MusicTimePoint*> (&section))) {
/* ignore positional changes, that must be done via the MTP */
const Temporal::MeterPoint mp (meter, *mtp);
MusicTimePoint replacement (*mtp);
*((Temporal::MeterPoint*)&replacement) = mp;
TempoMapChange tmc (*this, _("edit BBT meter"));
tmc.map().replace_bartime (replacement);
return;
}
if (!mpp) {
/* first meter, cannot move */
new_pos = section.beats ();
} else {
/* Compute the given BBT time using a tempo metric composed
from the tempo in effect at the current position, and the
previous meter.
Step 1: get BBT time from dialog
*/
Temporal::BBT_Time w;
meter_dialog.get_bbt_time (w);
/* Step 2: construct the relevant tempo metric */
TempoMetric prev_tm (tm.tempo(), *mpp);
/* Step 3: construct new BBT_Argument */
Temporal::BBT_Argument when (tm.reftime(), w);
/* Step 4: convert to quarters */
new_pos = prev_tm.quarters_at (when);
}
TempoMapChange tmc (*this, _("edit time signature"));
tmc.map().set_meter (meter, timepos_t (new_pos));
}
void
Editor::edit_bbt (MusicTimePoint& point)
{
BBTMarkerDialog dialog (point);
switch (dialog.run ()) {
case RESPONSE_OK:
case RESPONSE_ACCEPT:
break;
default:
return;
}
if (dialog.bbt_value() == point.bbt()) {
/* just a name change, no need to modify the map */
point.set_name (dialog.name());
/* XXX need to update marker label */
return;
}
TempoMapChange tmc (*this, _("edit tempo"));
tmc.map().remove_bartime (point);
tmc.map().set_bartime (dialog.bbt_value(), dialog.position(), dialog.name());
}
void
Editor::edit_tempo_section (TempoPoint& section)
{
TempoDialog tempo_dialog (TempoMap::use(), section, _("done"));
switch (tempo_dialog.run ()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
Temporal::TempoMetric tm (TempoMap::use()->metric_at (timepos_t (section.sample (TEMPORAL_SAMPLE_RATE))));
Temporal::TempoPoint const * tpp (TempoMap::use()->previous_tempo (tm.tempo()));
double bpm = tempo_dialog.get_bpm ();
double end_bpm = tempo_dialog.get_end_bpm ();
int nt = tempo_dialog.get_note_type ();
bpm = max (0.01, bpm);
const Tempo tempo (bpm, end_bpm, nt);
Temporal::Beats new_pos;
MusicTimePoint* mtp;
if ((mtp = dynamic_cast<Temporal::MusicTimePoint*> (&section))) {
/* ignore positional changes, that must be done via the MTP */
MusicTimePoint replacement (*mtp);
*((TempoPoint*)&replacement) = tempo;
TempoMapChange tmc (*this, _("edit BBT tempo"));
tmc.map().replace_bartime (replacement);
return;
}
if (!tpp) {
/* first tempo, cannot move */
new_pos = section.beats ();
} else {
/* Compute the given BBT time using a tempo metric composed
from the meter in effect at the current position, and the
previous tempo.
Step 1: get BBT time from dialog
*/
Temporal::BBT_Time w;
tempo_dialog.get_bbt_time (w);
/* Step 2: construct the relevant tempo metric */
TempoMetric prev_tm (*tpp, tm.meter());
/* Step 3: construct new BBT_Argument */
Temporal::BBT_Argument when (tm.reftime(), w);
/* Step 4: convert to quarters */
new_pos = prev_tm.quarters_at (when).round_to_beat ();
}
TempoMapChange tmc (*this, _("edit tempo"));
// std::cerr << "using tempometric " << tm << std::endl;
// std::cerr << "edit tempo at " << when << " via quarters at = " << tmc.map().quarters_at (when) << std::endl;
tmc.map().replace_tempo (section, tempo, timepos_t (new_pos));
}
void
Editor::edit_tempo_marker (TempoMarker& tm)
{
edit_tempo_section (const_cast<Temporal::TempoPoint&>(tm.tempo()));
}
void
Editor::edit_meter_marker (MeterMarker& mm)
{
edit_meter_section (const_cast<Temporal::MeterPoint&>(mm.meter()));
}
void
Editor::edit_bbt_marker (BBTMarker& bm)
{
edit_bbt (const_cast<Temporal::MusicTimePoint&>(bm.mt_point()));
}
gint
Editor::real_remove_bbt_marker (MusicTimePoint const * point)
{
TempoMapChange tmc (*this, _("remove BBT marker"));
tmc.map().remove_bartime (*point);
return FALSE;
}
gint
Editor::real_remove_tempo_marker (TempoPoint const * section)
{
TempoMapChange tmc (*this, _("remove tempo change"));
tmc.map().remove_tempo (*section);
return FALSE;
}
void
Editor::remove_meter_marker (ArdourCanvas::Item* item)
{
ArdourMarker* marker;
MeterMarker* meter_marker;
if ((marker = reinterpret_cast<ArdourMarker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: meter marker canvas item has no marker object pointer!") << endmsg;
abort(); /*NOTREACHED*/
}
if ((meter_marker = dynamic_cast<MeterMarker*> (marker)) == 0) {
fatal << _("programming error: marker for meter is not a meter marker!") << endmsg;
abort(); /*NOTREACHED*/
}
if (!meter_marker->meter().map().is_initial(meter_marker->meter())) {
Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &Editor::real_remove_meter_marker), &meter_marker->meter()));
}
}
gint
Editor::real_remove_meter_marker (Temporal::MeterPoint const * section)
{
TempoMapChange tmc (*this, _("remove tempo mark"));
tmc.map().remove_meter (*section);
return FALSE;
}
Temporal::TempoMap::WritableSharedPtr
Editor::begin_tempo_mapping (Temporal::DomainBounceInfo& dbi)
{
TempoMap::WritableSharedPtr wmap = TempoMap::write_copy ();
TempoMap::set (wmap);
reassociate_metric_markers (wmap);
_session->start_domain_bounce (dbi);
return wmap;
}
void
Editor::abort_tempo_mapping ()
{
delete domain_bounce_info;
domain_bounce_info = nullptr;
TempoMap::abort_update ();
TempoMap::SharedPtr tmap (TempoMap::fetch());
reassociate_metric_markers (tmap);
}
void
Editor::commit_tempo_mapping (TempoMap::WritableSharedPtr& new_map)
{
TempoMap::update (new_map);
/* revert all positions */
_session->finish_domain_bounce (*domain_bounce_info);
delete domain_bounce_info;
domain_bounce_info = nullptr;
TempoMap::SharedPtr tmap (TempoMap::fetch());
reassociate_metric_markers (tmap);
}
Temporal::TempoMap::WritableSharedPtr
Editor::begin_tempo_map_edit ()
{
TempoMap::WritableSharedPtr wmap = TempoMap::write_copy ();
TempoMap::set (wmap);
reassociate_metric_markers (wmap);
return wmap;
}
void
Editor::abort_tempo_map_edit ()
{
/* this drops the lock held while we have a writable copy in our per-thread pointer */
TempoMap::abort_update ();
/* Now update our own per-thread copy of the tempo map pointer to be
the canonical one, and reconnect markers with elements of that map
*/
TempoMap::SharedPtr tmap (TempoMap::fetch());
reassociate_metric_markers (tmap);
}
void
Editor::_commit_tempo_map_edit (TempoMap::WritableSharedPtr& new_map, bool with_update)
{
if (!with_update) {
PBD::Unwinder<bool> uw (ignore_map_change, true);
TempoMap::update (new_map);
} else {
TempoMap::update (new_map);
}
}
void
Editor::set_tempo_curve_range (double& max_tempo, double& min_tempo) const
{
TempoMap::SharedPtr map (TempoMap::use());
max_tempo = map->max_notes_per_minute();
min_tempo = map->min_notes_per_minute();
max_tempo = std::max (max_tempo, 200.);
min_tempo = std::min (min_tempo, 40.);
const double min_tempo_range = 5.0;
const double tempo_delta = fabs (max_tempo - min_tempo);
if (tempo_delta < min_tempo_range) {
max_tempo += min_tempo_range - tempo_delta;
min_tempo += tempo_delta - min_tempo_range;
}
}
void
Editor::mid_tempo_change (MidTempoChanges what_changed)
{
// std::cerr << "============== MID TEMPO\n";
// TempoMap::SharedPtr map (TempoMap::use());
// map->dump (std::cerr);
if ((what_changed & MidTempoChanges(BBTChanged|TempoChanged|MappingChanged))) {
double max_tempo;
double min_tempo;
set_tempo_curve_range (max_tempo, min_tempo);
update_tempo_curves (min_tempo, max_tempo, _session->sample_rate());
}
for (auto & t : tempo_marks) {
t->update ();
}
for (auto & m : meter_marks) {
m->update ();
}
for (auto & b : bbt_marks) {
b->update ();
}
update_tempo_based_rulers ();
maybe_draw_grid_lines ();
if (!(what_changed & (MappingChanged|BBTChanged))) {
/* Nothing changes in tracks when it is a tempo mapping
* operation or a BBT change
*/
foreach_time_axis_view (sigc::mem_fun (*this, &Editor::mid_tempo_per_track_update));
}
}
void
Editor::mid_tempo_per_track_update (TimeAxisView& tav)
{
MidiTimeAxisView* mtav = dynamic_cast<MidiTimeAxisView*> (&tav);
if (mtav) {
MidiStreamView* msv = mtav->midi_view();
if (msv) {
msv->foreach_regionview (sigc::mem_fun (*this, &Editor::mid_tempo_per_region_update));
}
TimeAxisView::Children kids (tav.get_child_list());
for (TimeAxisView::Children::iterator ct = kids.begin(); ct != kids.end(); ++ct) {
std::shared_ptr<AutomationTimeAxisView> atav = std::dynamic_pointer_cast<AutomationTimeAxisView> (*ct);
if (atav) {
AutomationStreamView* asv = atav->automation_view ();
if (asv) {
asv->foreach_regionview (sigc::mem_fun (*this, &Editor::mid_tempo_per_region_update));
}
}
}
}
}
void
Editor::mid_tempo_per_region_update (RegionView* rv)
{
rv->tempo_map_changed ();
}
void
Editor::clear_tempo_markers_before (timepos_t where, bool stop_at_music_times)
{
if (!_session) {
return;
}
TempoMap::WritableSharedPtr wmap = begin_tempo_map_edit ();
XMLNode* before_state = &wmap->get_state ();
if (!wmap->clear_tempos_before (where, stop_at_music_times)) {
abort_tempo_map_edit ();
return;
}
begin_reversible_command (_("clear earlier tempos"));
commit_tempo_map_edit (wmap, true);
XMLNode& after = wmap->get_state ();
_session->add_command (new Temporal::TempoCommand (_("clear earlier tempos"), before_state, &after));
commit_reversible_command ();
}
void
Editor::clear_tempo_markers_after (timepos_t where, bool stop_at_music_times)
{
if (!_session) {
return;
}
TempoMap::WritableSharedPtr wmap = begin_tempo_map_edit ();
XMLNode* before_state = &wmap->get_state ();
if (!wmap->clear_tempos_after (where, stop_at_music_times)) {
abort_tempo_map_edit ();
return;
}
begin_reversible_command (_("clear later tempos"));
commit_tempo_map_edit (wmap, true);
XMLNode& after = wmap->get_state ();
_session->add_command (new Temporal::TempoCommand (_("clear later tempos"), before_state, &after));
commit_reversible_command ();
}
TempoMarker*
Editor::find_marker_for_tempo (Temporal::TempoPoint const & tp)
{
for (auto const & tm : tempo_marks) {
TempoMarker* t;
if ((t = dynamic_cast<TempoMarker*>(tm))->tempo() == tp) {
return t;
}
}
return nullptr;
}
MeterMarker*
Editor::find_marker_for_meter (Temporal::MeterPoint const & mp)
{
for (auto const & mm : meter_marks) {
MeterMarker* m;
if ((m = dynamic_cast<MeterMarker*>(mm))->meter() == mp) {
return m;
}
}
return nullptr;
}
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