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livetrax/gtk2_ardour/editor_rulers.cc
Paul Davis f4490f54c5 change Timecode::BBT_Time to use Temporal namespace, plus a couple of other minor changes to enable compilation 
This still uses the tempo map object in libs/ardour, not the new one in libs/temporal, and isn't likely to be functional
(though it could be)
2021-08-13 12:51:28 -06:00

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/*
* Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2010 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2017 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2013-2018 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2016 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2015-2018 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 <cmath>
#include <inttypes.h>
#include <string>
#include <gtk/gtkaction.h>
#include "canvas/container.h"
#include "canvas/canvas.h"
#include "canvas/ruler.h"
#include "canvas/debug.h"
#include "canvas/scroll_group.h"
#include "ardour/session.h"
#include "ardour/tempo.h"
#include "ardour/profile.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/keyboard.h"
#include "ardour_ui.h"
#include "editor.h"
#include "editing.h"
#include "actions.h"
#include "gui_thread.h"
#include "ruler_dialog.h"
#include "time_axis_view.h"
#include "editor_drag.h"
#include "editor_cursors.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Editing;
/* the order here must match the "metric" enums in editor.h */
class TimecodeMetric : public ArdourCanvas::Ruler::Metric
{
public:
TimecodeMetric (Editor* e) : _editor (e) {}
void get_marks (std::vector<ArdourCanvas::Ruler::Mark>& marks, double lower, double upper, int maxchars) const {
_editor->metric_get_timecode (marks, lower, upper, maxchars);
}
private:
Editor* _editor;
};
class SamplesMetric : public ArdourCanvas::Ruler::Metric
{
public:
SamplesMetric (Editor* e) : _editor (e) {}
void get_marks (std::vector<ArdourCanvas::Ruler::Mark>& marks, double lower, double upper, int maxchars) const {
_editor->metric_get_samples (marks, lower, upper, maxchars);
}
private:
Editor* _editor;
};
class BBTMetric : public ArdourCanvas::Ruler::Metric
{
public:
BBTMetric (Editor* e) : _editor (e) {}
void get_marks (std::vector<ArdourCanvas::Ruler::Mark>& marks, double lower, double upper, int maxchars) const {
_editor->metric_get_bbt (marks, lower, upper, maxchars);
}
private:
Editor* _editor;
};
class MinsecMetric : public ArdourCanvas::Ruler::Metric
{
public:
MinsecMetric (Editor* e) : _editor (e) {}
void get_marks (std::vector<ArdourCanvas::Ruler::Mark>& marks, double lower, double upper, int maxchars) const {
_editor->metric_get_minsec (marks, lower, upper, maxchars);
}
private:
Editor* _editor;
};
static ArdourCanvas::Ruler::Metric* _bbt_metric;
static ArdourCanvas::Ruler::Metric* _timecode_metric;
static ArdourCanvas::Ruler::Metric* _samples_metric;
static ArdourCanvas::Ruler::Metric* _minsec_metric;
void
Editor::initialize_rulers ()
{
ruler_grabbed_widget = 0;
Pango::FontDescription font (UIConfiguration::instance().get_SmallerFont());
Pango::FontDescription larger_font (UIConfiguration::instance().get_SmallBoldFont());
_timecode_metric = new TimecodeMetric (this);
_bbt_metric = new BBTMetric (this);
_minsec_metric = new MinsecMetric (this);
_samples_metric = new SamplesMetric (this);
timecode_ruler = new ArdourCanvas::Ruler (_time_markers_group, *_timecode_metric,
ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, timebar_height));
timecode_ruler->set_font_description (font);
CANVAS_DEBUG_NAME (timecode_ruler, "timecode ruler");
timecode_nmarks = 0;
samples_ruler = new ArdourCanvas::Ruler (_time_markers_group, *_samples_metric,
ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, timebar_height));
samples_ruler->set_font_description (font);
CANVAS_DEBUG_NAME (samples_ruler, "samples ruler");
minsec_ruler = new ArdourCanvas::Ruler (_time_markers_group, *_minsec_metric,
ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, timebar_height));
minsec_ruler->set_font_description (font);
CANVAS_DEBUG_NAME (minsec_ruler, "minsec ruler");
minsec_nmarks = 0;
bbt_ruler = new ArdourCanvas::Ruler (_time_markers_group, *_bbt_metric,
ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, timebar_height));
bbt_ruler->set_font_description (font);
bbt_ruler->set_second_font_description (larger_font);
CANVAS_DEBUG_NAME (bbt_ruler, "bbt ruler");
timecode_nmarks = 0;
using namespace Box_Helpers;
BoxList & lab_children = time_bars_vbox.children();
lab_children.push_back (Element(minsec_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(timecode_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(samples_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(bbt_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(meter_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(tempo_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(range_mark_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(transport_mark_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(cd_mark_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(mark_label, PACK_SHRINK, PACK_START));
lab_children.push_back (Element(videotl_label, PACK_SHRINK, PACK_START));
/* 1 event handler to bind them all ... */
timecode_ruler->Event.connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_ruler_event), timecode_ruler, TimecodeRulerItem));
minsec_ruler->Event.connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_ruler_event), minsec_ruler, MinsecRulerItem));
bbt_ruler->Event.connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_ruler_event), bbt_ruler, BBTRulerItem));
samples_ruler->Event.connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_ruler_event), samples_ruler, SamplesRulerItem));
visible_timebars = 0; /*this will be changed below */
}
bool
Editor::ruler_label_button_release (GdkEventButton* ev)
{
if (Gtkmm2ext::Keyboard::is_context_menu_event (ev)) {
if (!ruler_dialog) {
ruler_dialog = new RulerDialog ();
}
ruler_dialog->present ();
}
return true;
}
void
Editor::popup_ruler_menu (samplepos_t where, ItemType t)
{
using namespace Menu_Helpers;
if (editor_ruler_menu == 0) {
editor_ruler_menu = new Menu;
editor_ruler_menu->set_name ("ArdourContextMenu");
}
// always build from scratch
MenuList& ruler_items = editor_ruler_menu->items();
editor_ruler_menu->set_name ("ArdourContextMenu");
ruler_items.clear();
switch (t) {
case MarkerBarItem:
ruler_items.push_back (MenuElem (_("New location marker"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_add_new_marker), where, false)));
ruler_items.push_back (MenuElem (_("Clear all locations"), sigc::mem_fun(*this, &Editor::clear_markers)));
ruler_items.push_back (MenuElem (_("Clear all xruns"), sigc::mem_fun(*this, &Editor::clear_xrun_markers)));
ruler_items.push_back (MenuElem (_("Unhide locations"), sigc::mem_fun(*this, &Editor::unhide_markers)));
break;
case RangeMarkerBarItem:
ruler_items.push_back (MenuElem (_("New range"), sigc::bind (sigc::mem_fun (*this, &Editor::mouse_add_new_range), where)));
ruler_items.push_back (MenuElem (_("Clear all ranges"), sigc::mem_fun(*this, &Editor::clear_ranges)));
ruler_items.push_back (MenuElem (_("Unhide ranges"), sigc::mem_fun(*this, &Editor::unhide_ranges)));
break;
case TransportMarkerBarItem:
ruler_items.push_back (MenuElem (_("New Loop range"), sigc::bind (sigc::mem_fun (*this, &Editor::mouse_add_new_loop), where)));
ruler_items.push_back (MenuElem (_("New Punch range"), sigc::bind (sigc::mem_fun (*this, &Editor::mouse_add_new_punch), where)));
break;
case CdMarkerBarItem:
// TODO
ruler_items.push_back (MenuElem (_("New CD track marker"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_add_new_marker), where, true)));
break;
case TempoBarItem:
ruler_items.push_back (MenuElem (_("New Tempo"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_add_new_tempo_event), where)));
break;
case MeterBarItem:
ruler_items.push_back (MenuElem (_("New Meter"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_add_new_meter_event), where)));
break;
case VideoBarItem:
/* proper headings would be nice
* but AFAICT the only way to get them will be to define a
* special GTK style for insensitive Elements or subclass MenuItem
*/
//ruler_items.push_back (MenuElem (_("Timeline height"))); // heading
//static_cast<MenuItem*>(&ruler_items.back())->set_sensitive(false);
ruler_items.push_back (CheckMenuElem (_("Large"), sigc::bind (sigc::mem_fun(*this, &Editor::set_video_timeline_height), 6)));
if (videotl_bar_height == 6) { static_cast<Gtk::CheckMenuItem*>(&ruler_items.back())->set_active(true);}
ruler_items.push_back (CheckMenuElem (_("Normal"), sigc::bind (sigc::mem_fun(*this, &Editor::set_video_timeline_height), 4)));
if (videotl_bar_height == 4) { static_cast<Gtk::CheckMenuItem*>(&ruler_items.back())->set_active(true);}
ruler_items.push_back (CheckMenuElem (_("Small"), sigc::bind (sigc::mem_fun(*this, &Editor::set_video_timeline_height), 3)));
if (videotl_bar_height == 3) { static_cast<Gtk::CheckMenuItem*>(&ruler_items.back())->set_active(true);}
ruler_items.push_back (SeparatorElem ());
//ruler_items.push_back (MenuElem (_("Align Video Track"))); // heading
//static_cast<MenuItem*>(&ruler_items.back())->set_sensitive(false);
ruler_items.push_back (CheckMenuElem (_("Lock")));
{
Gtk::CheckMenuItem* vtl_lock = static_cast<Gtk::CheckMenuItem*>(&ruler_items.back());
vtl_lock->set_active(is_video_timeline_locked());
vtl_lock->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_video_timeline_locked));
}
ruler_items.push_back (SeparatorElem ());
//ruler_items.push_back (MenuElem (_("Video Monitor"))); // heading
//static_cast<MenuItem*>(&ruler_items.back())->set_sensitive(false);
ruler_items.push_back (CheckMenuElem (_("Video Monitor")));
{
Gtk::CheckMenuItem* xjadeo_toggle = static_cast<Gtk::CheckMenuItem*>(&ruler_items.back());
if (!ARDOUR_UI::instance()->video_timeline->found_xjadeo()) {
xjadeo_toggle->set_sensitive(false);
}
xjadeo_toggle->set_active(xjadeo_proc_action->get_active());
xjadeo_toggle->signal_activate().connect (sigc::bind(sigc::mem_fun(*this, &Editor::toggle_xjadeo_proc), -1));
}
break;
default:
break;
}
if (!ruler_items.empty()) {
editor_ruler_menu->popup (1, gtk_get_current_event_time());
}
no_ruler_shown_update = false;
}
void
Editor::store_ruler_visibility ()
{
XMLNode* node = new XMLNode(X_("RulerVisibility"));
node->set_property (X_("timecode"), ruler_timecode_action->get_active());
node->set_property (X_("bbt"), ruler_bbt_action->get_active());
node->set_property (X_("samples"), ruler_samples_action->get_active());
node->set_property (X_("minsec"), ruler_minsec_action->get_active());
node->set_property (X_("tempo"), ruler_tempo_action->get_active());
node->set_property (X_("meter"), ruler_meter_action->get_active());
node->set_property (X_("marker"), ruler_marker_action->get_active());
node->set_property (X_("rangemarker"), ruler_range_action->get_active());
node->set_property (X_("transportmarker"), ruler_loop_punch_action->get_active());
node->set_property (X_("cdmarker"), ruler_cd_marker_action->get_active());
node->set_property (X_("videotl"), ruler_video_action->get_active());
_session->add_extra_xml (*node);
}
void
Editor::restore_ruler_visibility ()
{
XMLNode * node = _session->extra_xml (X_("RulerVisibility"));
no_ruler_shown_update = true;
bool yn;
if (node) {
if (node->get_property ("timecode", yn)) {
ruler_timecode_action->set_active (yn);
}
if (node->get_property ("bbt", yn)) {
ruler_bbt_action->set_active (yn);
}
if (node->get_property ("samples", yn)) {
ruler_samples_action->set_active (yn);
}
if (node->get_property ("minsec", yn)) {
ruler_minsec_action->set_active (yn);
}
if (node->get_property ("tempo", yn)) {
ruler_tempo_action->set_active (yn);
}
if (node->get_property ("meter", yn)) {
ruler_meter_action->set_active (yn);
}
if (node->get_property ("marker", yn)) {
ruler_marker_action->set_active (yn);
}
if (node->get_property ("rangemarker", yn)) {
ruler_range_action->set_active (yn);
}
if (node->get_property ("transportmarker", yn)) {
ruler_loop_punch_action->set_active (yn);
}
if (node->get_property ("cdmarker", yn)) {
ruler_cd_marker_action->set_active (yn);
} else {
// this _session doesn't yet know about the cdmarker ruler
// as a benefit to the user who doesn't know the feature exists, show the ruler if
// any cd marks exist
ruler_cd_marker_action->set_active (false);
const Locations::LocationList & locs = _session->locations()->list();
for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
if ((*i)->is_cd_marker()) {
ruler_cd_marker_action->set_active (true);
break;
}
}
}
if (node->get_property ("videotl", yn)) {
ruler_video_action->set_active (yn);
}
}
no_ruler_shown_update = false;
update_ruler_visibility ();
}
void
Editor::update_ruler_visibility ()
{
int visible_timebars = 0;
if (no_ruler_shown_update) {
return;
}
/* the order of the timebars is fixed, so we have to go through each one
* and adjust its position depending on what is shown.
*
* Order: minsec, timecode, samples, bbt, meter, tempo, ranges,
* loop/punch, cd markers, location markers
*/
double tbpos = 0.0;
double tbgpos = 0.0;
double old_unit_pos;
#ifdef __APPLE__
/* gtk update probs require this (damn) */
meter_label.hide();
tempo_label.hide();
range_mark_label.hide();
transport_mark_label.hide();
cd_mark_label.hide();
mark_label.hide();
videotl_label.hide();
#endif
if (ruler_minsec_action->get_active()) {
old_unit_pos = minsec_ruler->position().y;
if (tbpos != old_unit_pos) {
minsec_ruler->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
minsec_ruler->show();
minsec_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
minsec_ruler->hide();
minsec_label.hide();
}
if (ruler_timecode_action->get_active()) {
old_unit_pos = timecode_ruler->position().y;
if (tbpos != old_unit_pos) {
timecode_ruler->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
timecode_ruler->show();
timecode_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
timecode_ruler->hide();
timecode_label.hide();
}
if (ruler_samples_action->get_active()) {
old_unit_pos = samples_ruler->position().y;
if (tbpos != old_unit_pos) {
samples_ruler->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
samples_ruler->show();
samples_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
samples_ruler->hide();
samples_label.hide();
}
if (ruler_bbt_action->get_active()) {
old_unit_pos = bbt_ruler->position().y;
if (tbpos != old_unit_pos) {
bbt_ruler->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
bbt_ruler->show();
bbt_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
bbt_ruler->hide();
bbt_label.hide();
}
if (ruler_meter_action->get_active()) {
old_unit_pos = meter_group->position().y;
if (tbpos != old_unit_pos) {
meter_group->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
meter_group->show();
meter_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
meter_group->hide();
meter_label.hide();
}
if (ruler_tempo_action->get_active()) {
old_unit_pos = tempo_group->position().y;
if (tbpos != old_unit_pos) {
tempo_group->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
tempo_group->show();
tempo_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
tempo_group->hide();
tempo_label.hide();
}
if (ruler_range_action->get_active()) {
old_unit_pos = range_marker_group->position().y;
if (tbpos != old_unit_pos) {
range_marker_group->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
range_marker_group->show();
range_mark_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
range_marker_group->hide();
range_mark_label.hide();
}
if (ruler_loop_punch_action->get_active()) {
old_unit_pos = transport_marker_group->position().y;
if (tbpos != old_unit_pos) {
transport_marker_group->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
transport_marker_group->show();
transport_mark_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
transport_marker_group->hide();
transport_mark_label.hide();
}
if (ruler_cd_marker_action->get_active()) {
old_unit_pos = cd_marker_group->position().y;
if (tbpos != old_unit_pos) {
cd_marker_group->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
cd_marker_group->show();
cd_mark_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
// make sure all cd markers show up in their respective places
update_cd_marker_display();
} else {
cd_marker_group->hide();
cd_mark_label.hide();
// make sure all cd markers show up in their respective places
update_cd_marker_display();
}
if (ruler_marker_action->get_active()) {
old_unit_pos = marker_group->position().y;
if (tbpos != old_unit_pos) {
marker_group->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
marker_group->show();
mark_label.show();
tbpos += timebar_height;
tbgpos += timebar_height;
visible_timebars++;
} else {
marker_group->hide();
mark_label.hide();
}
if (ruler_video_action->get_active()) {
old_unit_pos = videotl_group->position().y;
if (tbpos != old_unit_pos) {
videotl_group->move (ArdourCanvas::Duple (0.0, tbpos - old_unit_pos));
}
videotl_group->show();
videotl_label.show();
tbpos += timebar_height * videotl_bar_height;
tbgpos += timebar_height * videotl_bar_height;
visible_timebars+=videotl_bar_height;
queue_visual_videotimeline_update();
} else {
videotl_group->hide();
videotl_label.hide();
update_video_timeline(true);
}
time_bars_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
/* move hv_scroll_group (trackviews) to the end of the timebars
*/
hv_scroll_group->set_y_position (timebar_height * visible_timebars);
compute_fixed_ruler_scale ();
update_fixed_rulers();
redisplay_grid (false);
/* Changing ruler visibility means that any lines on markers might need updating */
for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
i->second->setup_lines ();
}
}
void
Editor::update_just_timecode ()
{
ENSURE_GUI_THREAD (*this, &Editor::update_just_timecode)
if (_session == 0) {
return;
}
samplepos_t rightmost_sample = _leftmost_sample + current_page_samples();
if (ruler_timecode_action->get_active()) {
timecode_ruler->set_range (_leftmost_sample, rightmost_sample);
}
}
void
Editor::compute_fixed_ruler_scale ()
{
if (_session == 0) {
return;
}
if (ruler_timecode_action->get_active()) {
set_timecode_ruler_scale (_leftmost_sample, _leftmost_sample + current_page_samples());
}
if (ruler_minsec_action->get_active()) {
set_minsec_ruler_scale (_leftmost_sample, _leftmost_sample + current_page_samples());
}
if (ruler_samples_action->get_active()) {
set_samples_ruler_scale (_leftmost_sample, _leftmost_sample + current_page_samples());
}
}
void
Editor::update_fixed_rulers ()
{
samplepos_t rightmost_sample;
if (_session == 0) {
return;
}
compute_fixed_ruler_scale ();
_timecode_metric->units_per_pixel = samples_per_pixel;
_samples_metric->units_per_pixel = samples_per_pixel;
_minsec_metric->units_per_pixel = samples_per_pixel;
rightmost_sample = _leftmost_sample + current_page_samples();
/* these force a redraw, which in turn will force execution of the metric callbacks
to compute the relevant ticks to display.
*/
if (ruler_timecode_action->get_active()) {
timecode_ruler->set_range (_leftmost_sample, rightmost_sample);
}
if (ruler_samples_action->get_active()) {
samples_ruler->set_range (_leftmost_sample, rightmost_sample);
}
if (ruler_minsec_action->get_active()) {
minsec_ruler->set_range (_leftmost_sample, rightmost_sample);
}
}
void
Editor::update_tempo_based_rulers ()
{
if (_session == 0) {
return;
}
_bbt_metric->units_per_pixel = samples_per_pixel;
compute_bbt_ruler_scale (_leftmost_sample, _leftmost_sample + current_page_samples());
if (ruler_bbt_action->get_active()) {
bbt_ruler->set_range (_leftmost_sample, _leftmost_sample+current_page_samples());
}
}
void
Editor::set_timecode_ruler_scale (samplepos_t lower, samplepos_t upper)
{
using namespace std;
samplepos_t spacer;
samplepos_t fr;
if (_session == 0) {
return;
}
fr = _session->sample_rate();
if (lower > (spacer = (samplepos_t) (128 * Editor::get_current_zoom ()))) {
lower = lower - spacer;
} else {
lower = 0;
}
upper = upper + spacer;
samplecnt_t const range = upper - lower;
if (range < (2 * _session->samples_per_timecode_frame())) { /* 0 - 2 samples */
timecode_ruler_scale = timecode_show_bits;
timecode_mark_modulo = 20;
timecode_nmarks = 2 + (2 * _session->config.get_subframes_per_frame());
} else if (range <= (fr / 4)) { /* 2 samples - 0.250 second */
timecode_ruler_scale = timecode_show_samples;
timecode_mark_modulo = 1;
timecode_nmarks = 2 + (range / (samplepos_t)_session->samples_per_timecode_frame());
} else if (range <= (fr / 2)) { /* 0.25-0.5 second */
timecode_ruler_scale = timecode_show_samples;
timecode_mark_modulo = 2;
timecode_nmarks = 2 + (range / (samplepos_t)_session->samples_per_timecode_frame());
} else if (range <= fr) { /* 0.5-1 second */
timecode_ruler_scale = timecode_show_samples;
timecode_mark_modulo = 5;
timecode_nmarks = 2 + (range / (samplepos_t)_session->samples_per_timecode_frame());
} else if (range <= 2 * fr) { /* 1-2 seconds */
timecode_ruler_scale = timecode_show_samples;
timecode_mark_modulo = 10;
timecode_nmarks = 2 + (range / (samplepos_t)_session->samples_per_timecode_frame());
} else if (range <= 8 * fr) { /* 2-8 seconds */
timecode_ruler_scale = timecode_show_seconds;
timecode_mark_modulo = 1;
timecode_nmarks = 2 + (range / fr);
} else if (range <= 16 * fr) { /* 8-16 seconds */
timecode_ruler_scale = timecode_show_seconds;
timecode_mark_modulo = 2;
timecode_nmarks = 2 + (range / fr);
} else if (range <= 30 * fr) { /* 16-30 seconds */
timecode_ruler_scale = timecode_show_seconds;
timecode_mark_modulo = 5;
timecode_nmarks = 2 + (range / fr);
} else if (range <= 60 * fr) { /* 30-60 seconds */
timecode_ruler_scale = timecode_show_seconds;
timecode_mark_modulo = 5;
timecode_nmarks = 2 + (range / fr);
} else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
timecode_ruler_scale = timecode_show_seconds;
timecode_mark_modulo = 15;
timecode_nmarks = 2 + (range / fr);
} else if (range <= 4 * 60 * fr) { /* 2-4 minutes */
timecode_ruler_scale = timecode_show_seconds;
timecode_mark_modulo = 30;
timecode_nmarks = 2 + (range / fr);
} else if (range <= 10 * 60 * fr) { /* 4-10 minutes */
timecode_ruler_scale = timecode_show_minutes;
timecode_mark_modulo = 2;
timecode_nmarks = 2 + 10;
} else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
timecode_ruler_scale = timecode_show_minutes;
timecode_mark_modulo = 5;
timecode_nmarks = 2 + 30;
} else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
timecode_ruler_scale = timecode_show_minutes;
timecode_mark_modulo = 10;
timecode_nmarks = 2 + 60;
} else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
timecode_ruler_scale = timecode_show_minutes;
timecode_mark_modulo = 30;
timecode_nmarks = 2 + (60 * 4);
} else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
timecode_ruler_scale = timecode_show_hours;
timecode_mark_modulo = 1;
timecode_nmarks = 2 + 8;
} else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
timecode_ruler_scale = timecode_show_hours;
timecode_mark_modulo = 1;
timecode_nmarks = 2 + 24;
} else {
const samplecnt_t hours_in_range = range / (60 * 60 * fr);
const int text_width_rough_guess = 120; /* pixels, very very approximate guess at how wide the tick mark text is */
/* Normally we do not need to know anything about the width of the canvas
to set the ruler scale, because the caller has already determined
the width and set lower + upper arguments to this function to match that.
But in this case, where the range defined by lower and uppper can vary
substantially (basically anything from 24hrs+ to several billion years)
trying to decide which tick marks to show does require us to know
about the available width.
*/
timecode_nmarks = _track_canvas->width() / text_width_rough_guess;
timecode_ruler_scale = timecode_show_many_hours;
timecode_mark_modulo = std::max ((samplecnt_t) 1, 1 + (hours_in_range / timecode_nmarks));
}
}
void
Editor::metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>& marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
{
samplepos_t pos;
samplecnt_t spacer;
Timecode::Time timecode;
gchar buf[16];
gint n;
ArdourCanvas::Ruler::Mark mark;
if (_session == 0) {
return;
}
if (lower > (spacer = (samplecnt_t)(128 * Editor::get_current_zoom ()))) {
lower = lower - spacer;
} else {
lower = 0;
}
pos = (samplecnt_t) floor (lower);
switch (timecode_ruler_scale) {
case timecode_show_bits:
// Find timecode time of this sample (pos) with subframe accuracy
_session->sample_to_timecode(pos, timecode, true /* use_offset */, true /* use_subframes */);
for (n = 0; n < timecode_nmarks; n++) {
_session->timecode_to_sample(timecode, pos, true /* use_offset */, true /* use_subframes */);
if ((timecode.subframes % timecode_mark_modulo) == 0) {
if (timecode.subframes == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
snprintf (buf, sizeof(buf), ".%02u", timecode.subframes);
}
} else {
snprintf (buf, sizeof(buf)," ");
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
mark.label = buf;
mark.position = pos;
marks.push_back (mark);
// Increment subframes by one
Timecode::increment_subframes (timecode, _session->config.get_subframes_per_frame());
}
break;
case timecode_show_samples:
// Find timecode time of this sample (pos)
_session->sample_to_timecode (pos, timecode, true /* use_offset */, false /* use_subframes */);
// Go to next whole sample down
Timecode::frames_floot (timecode);
for (n = 0; n < timecode_nmarks; n++) {
_session->timecode_to_sample (timecode, pos, true /* use_offset */, false /* use_subframes */);
if ((timecode.frames % timecode_mark_modulo) == 0) {
if (timecode.frames == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
}
mark.position = pos;
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
} else {
snprintf (buf, sizeof(buf)," ");
mark.style = ArdourCanvas::Ruler::Mark::Micro;
mark.position = pos;
}
mark.label = buf;
marks.push_back (mark);
Timecode::increment (timecode, _session->config.get_subframes_per_frame());
}
break;
case timecode_show_seconds:
// Find timecode time of this sample (pos)
_session->sample_to_timecode (pos, timecode, true /* use_offset */, false /* use_subframes */);
// Go to next whole second down
Timecode::seconds_floor (timecode);
for (n = 0; n < timecode_nmarks; n++) {
_session->timecode_to_sample (timecode, pos, true /* use_offset */, false /* use_subframes */);
if ((timecode.seconds % timecode_mark_modulo) == 0) {
if (timecode.seconds == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
mark.position = pos;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
mark.position = pos;
}
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
} else {
snprintf (buf, sizeof(buf)," ");
mark.style = ArdourCanvas::Ruler::Mark::Micro;
mark.position = pos;
}
mark.label = buf;
marks.push_back (mark);
Timecode::increment_seconds (timecode, _session->config.get_subframes_per_frame());
}
break;
case timecode_show_minutes:
//Find timecode time of this sample (pos)
_session->sample_to_timecode (pos, timecode, true /* use_offset */, false /* use_subframes */);
// Go to next whole minute down
Timecode::minutes_floor (timecode);
for (n = 0; n < timecode_nmarks; n++) {
_session->timecode_to_sample (timecode, pos, true /* use_offset */, false /* use_subframes */);
if ((timecode.minutes % timecode_mark_modulo) == 0) {
if (timecode.minutes == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
}
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
} else {
snprintf (buf, sizeof(buf)," ");
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
mark.label = buf;
mark.position = pos;
marks.push_back (mark);
Timecode::increment_minutes (timecode, _session->config.get_subframes_per_frame());
}
break;
case timecode_show_hours:
// Find timecode time of this sample (pos)
_session->sample_to_timecode (pos, timecode, true /* use_offset */, false /* use_subframes */);
// Go to next whole hour down
Timecode::hours_floor (timecode);
for (n = 0; n < timecode_nmarks; n++) {
_session->timecode_to_sample (timecode, pos, true /* use_offset */, false /* use_subframes */);
if ((timecode.hours % timecode_mark_modulo) == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
} else {
snprintf (buf, sizeof(buf)," ");
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
mark.label = buf;
mark.position = pos;
marks.push_back (mark);
Timecode::increment_hours (timecode, _session->config.get_subframes_per_frame());
}
break;
case timecode_show_many_hours:
// Find timecode time of this sample (pos)
_session->sample_to_timecode (pos, timecode, true /* use_offset */, false /* use_subframes */);
// Go to next whole hour down
Timecode::hours_floor (timecode);
for (n = 0; n < timecode_nmarks;) {
_session->timecode_to_sample (timecode, pos, true /* use_offset */, false /* use_subframes */);
if ((timecode.hours % timecode_mark_modulo) == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
mark.label = buf;
mark.position = pos;
marks.push_back (mark);
++n;
}
/* can't use Timecode::increment_hours() here because we may be traversing thousands of hours
* and doing it 1 hour at a time is just stupid (and slow).
*/
timecode.hours += timecode_mark_modulo - (timecode.hours % timecode_mark_modulo);
}
break;
}
}
void
Editor::compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper)
{
if (_session == 0) {
return;
}
std::vector<TempoMap::BBTPoint>::const_iterator i;
Temporal::BBT_Time lower_beat, upper_beat; // the beats at each end of the ruler
double floor_lower_beat = floor(std::max (0.0, _session->tempo_map().beat_at_sample (lower)));
if (floor_lower_beat < 0.0) {
floor_lower_beat = 0.0;
}
const samplecnt_t beat_before_lower_pos = _session->tempo_map().sample_at_beat (floor_lower_beat);
const samplecnt_t beat_after_upper_pos = _session->tempo_map().sample_at_beat (floor (std::max (0.0, _session->tempo_map().beat_at_sample (upper))) + 1.0);
_session->bbt_time (beat_before_lower_pos, lower_beat);
_session->bbt_time (beat_after_upper_pos, upper_beat);
uint32_t beats = 0;
bbt_bar_helper_on = false;
bbt_bars = 0;
bbt_nmarks = 1;
bbt_ruler_scale = bbt_show_many;
const double ceil_upper_beat = floor (std::max (0.0, _session->tempo_map().beat_at_sample (upper))) + 1.0;
if (ceil_upper_beat == floor_lower_beat) {
return;
}
bbt_bars = _session->tempo_map().bbt_at_beat (ceil_upper_beat).bars - _session->tempo_map().bbt_at_beat (floor_lower_beat).bars;
double ruler_line_granularity = UIConfiguration::instance().get_ruler_granularity (); //in pixels
ruler_line_granularity = _visible_canvas_width / (ruler_line_granularity*5); //fudge factor '5' probably related to (4+1 beats)/measure, I think
beats = (ceil_upper_beat - floor_lower_beat);
double beat_density = ((beats + 1) * ((double) (upper - lower) / (double) (1 + beat_after_upper_pos - beat_before_lower_pos))) / (float)ruler_line_granularity;
/* Only show the bar helper if there aren't many bars on the screen */
if ((bbt_bars < 2) || (beats < 5)) {
bbt_bar_helper_on = true;
}
if (beat_density > 2048) {
bbt_ruler_scale = bbt_show_many;
} else if (beat_density > 1024) {
bbt_ruler_scale = bbt_show_64;
} else if (beat_density > 256) {
bbt_ruler_scale = bbt_show_16;
} else if (beat_density > 64) {
bbt_ruler_scale = bbt_show_4;
} else if (beat_density > 16) {
bbt_ruler_scale = bbt_show_1;
} else if (beat_density > 4) {
bbt_ruler_scale = bbt_show_quarters;
} else if (beat_density > 2) {
bbt_ruler_scale = bbt_show_eighths;
} else if (beat_density > 1) {
bbt_ruler_scale = bbt_show_sixteenths;
} else if (beat_density > 0.5) {
bbt_ruler_scale = bbt_show_thirtyseconds;
} else if (beat_density > 0.25) {
bbt_ruler_scale = bbt_show_sixtyfourths;
} else {
bbt_ruler_scale = bbt_show_onetwentyeighths;
}
/* Now that we know how fine a grid (Ruler) is allowable on this screen, limit it to the coarseness selected by the user */
/* note: GridType and RulerScale are not the same enums, so it's not a simple mathematical operation */
int suggested_scale = (int) bbt_ruler_scale;
int divs = get_grid_music_divisions(_grid_type);
if (_grid_type == GridTypeBar) {
suggested_scale = std::min(suggested_scale, (int) bbt_show_1);
} else if (_grid_type == GridTypeBeat) {
suggested_scale = std::min(suggested_scale, (int) bbt_show_quarters);
} else if ( divs < 4 ) {
suggested_scale = std::min(suggested_scale, (int) bbt_show_eighths);
} else if ( divs < 8 ) {
suggested_scale = std::min(suggested_scale, (int) bbt_show_sixteenths);
} else if ( divs < 16 ) {
suggested_scale = std::min(suggested_scale, (int) bbt_show_thirtyseconds);
} else if ( divs < 32 ) {
suggested_scale = std::min(suggested_scale, (int) bbt_show_sixtyfourths);
} else {
suggested_scale = std::min(suggested_scale, (int) bbt_show_onetwentyeighths);
}
bbt_ruler_scale = (Editor::BBTRulerScale) suggested_scale;
}
static void
edit_last_mark_label (std::vector<ArdourCanvas::Ruler::Mark>& marks, const std::string& newlabel)
{
ArdourCanvas::Ruler::Mark copy = marks.back();
copy.label = newlabel;
marks.pop_back ();
marks.push_back (copy);
}
void
Editor::metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>& marks, gdouble lower, gdouble upper, gint /*maxchars*/)
{
if (_session == 0) {
return;
}
std::vector<TempoMap::BBTPoint>::const_iterator i;
char buf[64];
gint n = 0;
samplepos_t pos;
Temporal::BBT_Time next_beat;
uint32_t beats = 0;
uint32_t tick = 0;
uint32_t skip;
uint32_t t;
double bbt_position_of_helper;
bool i_am_accented = false;
bool helper_active = false;
ArdourCanvas::Ruler::Mark mark;
std::vector<TempoMap::BBTPoint> grid;
compute_current_bbt_points (grid, lower, upper);
if (distance (grid.begin(), grid.end()) == 0) {
return;
}
/* we can accent certain lines depending on the user's Grid choice */
/* for example, even in a 4/4 meter we can draw a grid with triplet-feel */
/* and in this case you will want the accents on '3s' not '2s' */
uint32_t bbt_divisor = 2;
uint32_t bbt_accent_modulo = 2;
switch (_grid_type) {
case GridTypeBeatDiv3:
bbt_divisor = 3;
bbt_accent_modulo = 3;
break;
case GridTypeBeatDiv5:
bbt_divisor = 5;
bbt_accent_modulo = 5;
break;
case GridTypeBeatDiv6:
bbt_divisor = 3;
bbt_accent_modulo = 3;
break;
case GridTypeBeatDiv7:
bbt_divisor = 7;
bbt_accent_modulo = 7;
break;
case GridTypeBeatDiv10:
bbt_divisor = 5;
bbt_accent_modulo = 5;
break;
case GridTypeBeatDiv12:
bbt_divisor = 3;
bbt_accent_modulo = 3;
break;
case GridTypeBeatDiv14:
bbt_divisor = 7;
bbt_accent_modulo = 7;
break;
case GridTypeBeatDiv16:
bbt_accent_modulo = 4;
break;
case GridTypeBeatDiv20:
bbt_divisor = 5;
bbt_accent_modulo = 5;
break;
case GridTypeBeatDiv24:
bbt_divisor = 6;
bbt_accent_modulo = 6;
break;
case GridTypeBeatDiv28:
bbt_divisor = 7;
bbt_accent_modulo = 7;
break;
case GridTypeBeatDiv32:
bbt_accent_modulo = 8;
break;
default:
bbt_divisor = 2;
bbt_accent_modulo = 2;
break;
}
uint32_t bbt_beat_subdivision = 1;
switch (bbt_ruler_scale) {
case bbt_show_quarters:
bbt_beat_subdivision = 1;
break;
case bbt_show_eighths:
bbt_beat_subdivision = 1;
break;
case bbt_show_sixteenths:
bbt_beat_subdivision = 2;
break;
case bbt_show_thirtyseconds:
bbt_beat_subdivision = 4;
break;
case bbt_show_sixtyfourths:
bbt_beat_subdivision = 8;
break;
case bbt_show_onetwentyeighths:
bbt_beat_subdivision = 16;
break;
default:
bbt_beat_subdivision = 1;
break;
}
bbt_beat_subdivision *= bbt_divisor;
switch (bbt_ruler_scale) {
case bbt_show_many:
bbt_nmarks = 1;
snprintf (buf, sizeof(buf), "cannot handle %" PRIu32 " bars", bbt_bars);
mark.style = ArdourCanvas::Ruler::Mark::Major;
mark.label = buf;
mark.position = lower;
marks.push_back (mark);
break;
case bbt_show_64:
bbt_nmarks = (gint) (bbt_bars / 64) + 1;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; i++) {
if ((*i).is_bar()) {
if ((*i).bar % 64 == 1) {
if ((*i).bar % 256 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
buf[0] = '\0';
if ((*i).bar % 256 == 129) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
}
break;
case bbt_show_16:
bbt_nmarks = (bbt_bars / 16) + 1;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; i++) {
if ((*i).is_bar()) {
if ((*i).bar % 16 == 1) {
if ((*i).bar % 64 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
buf[0] = '\0';
if ((*i).bar % 64 == 33) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
}
break;
case bbt_show_4:
bbt_nmarks = (bbt_bars / 4) + 1;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; ++i) {
if ((*i).is_bar()) {
if ((*i).bar % 4 == 1) {
if ((*i).bar % 16 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
buf[0] = '\0';
if ((*i).bar % 16 == 9) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
}
break;
case bbt_show_1:
bbt_nmarks = bbt_bars + 2;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; ++i) {
if ((*i).is_bar()) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bbt().bars);
mark.style = ArdourCanvas::Ruler::Mark::Major;
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
break;
case bbt_show_quarters:
beats = distance (grid.begin(), grid.end());
bbt_nmarks = beats + 2;
mark.label = "";
mark.position = lower;
mark.style = ArdourCanvas::Ruler::Mark::Micro;
marks.push_back (mark);
for (n = 1, i = grid.begin(); n < bbt_nmarks && i != grid.end(); ++i) {
if ((*i).sample < lower && (bbt_bar_helper_on)) {
snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
edit_last_mark_label (marks, buf);
} else {
if ((*i).is_bar()) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
} else if (((*i).beat % 2 == 1)) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
buf[0] = '\0';
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
buf[0] = '\0';
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
n++;
}
}
break;
case bbt_show_eighths:
case bbt_show_sixteenths:
case bbt_show_thirtyseconds:
case bbt_show_sixtyfourths:
case bbt_show_onetwentyeighths:
beats = distance (grid.begin(), grid.end());
bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
bbt_position_of_helper = lower + (3 * Editor::get_current_zoom ());
mark.label = "";
mark.position = lower;
mark.style = ArdourCanvas::Ruler::Mark::Micro;
marks.push_back (mark);
for (n = 1, i = grid.begin(); n < bbt_nmarks && i != grid.end(); ++i) {
if ((*i).sample < lower && (bbt_bar_helper_on)) {
snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
edit_last_mark_label (marks, buf);
helper_active = true;
} else {
if ((*i).is_bar()) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
}
if (((*i).sample < bbt_position_of_helper) && helper_active) {
buf[0] = '\0';
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
n++;
}
/* Add the tick marks */
skip = Temporal::ticks_per_beat / bbt_beat_subdivision;
tick = skip; // the first non-beat tick
t = 0;
while (tick < Temporal::ticks_per_beat && (n < bbt_nmarks)) {
next_beat.beats = (*i).beat;
next_beat.bars = (*i).bar;
next_beat.ticks = tick;
pos = _session->tempo_map().sample_at_bbt (next_beat);
if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
i_am_accented = true;
}
if (i_am_accented && (pos > bbt_position_of_helper)){
snprintf (buf, sizeof(buf), "%" PRIu32, tick);
} else {
buf[0] = '\0';
}
mark.label = buf;
mark.position = pos;
if ((bbt_beat_subdivision > 4) && i_am_accented) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
i_am_accented = false;
marks.push_back (mark);
tick += skip;
++t;
++n;
}
}
break;
case bbt_show_thirtyseconds:
beats = distance (grid.begin(), grid.end());
bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
bbt_position_of_helper = lower + (3 * Editor::get_current_zoom ());
mark.label = "";
mark.position = lower;
mark.style = ArdourCanvas::Ruler::Mark::Micro;
marks.push_back (mark);
for (n = 1, i = grid.begin(); n < bbt_nmarks && i != grid.end(); ++i) {
if ((*i).sample < lower && (bbt_bar_helper_on)) {
snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
edit_last_mark_label (marks, buf);
helper_active = true;
} else {
if ((*i).is_bar()) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
}
if (((*i).sample < bbt_position_of_helper) && helper_active) {
buf[0] = '\0';
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
n++;
}
/* Add the tick marks */
skip = Temporal::ticks_per_beat / bbt_beat_subdivision;
next_beat.beats = (*i).beat;
next_beat.bars = (*i).bar;
tick = skip; // the first non-beat tick
t = 0;
while (tick < Temporal::ticks_per_beat && (n < bbt_nmarks)) {
next_beat.ticks = tick;
pos = _session->tempo_map().sample_at_bbt (next_beat);
if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
i_am_accented = true;
}
if (pos > bbt_position_of_helper) {
snprintf (buf, sizeof(buf), "%" PRIu32, tick);
} else {
buf[0] = '\0';
}
mark.label = buf;
mark.position = pos;
if ((bbt_beat_subdivision > 4) && i_am_accented) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
i_am_accented = false;
marks.push_back (mark);
tick += skip;
++t;
++n;
}
}
break;
case bbt_show_many:
bbt_nmarks = 1;
snprintf (buf, sizeof(buf), "cannot handle %" PRIu32 " bars", bbt_bars);
mark.style = ArdourCanvas::Ruler::Mark::Major;
mark.label = buf;
mark.position = lower;
marks.push_back (mark);
break;
case bbt_show_64:
bbt_nmarks = (gint) (bbt_bars / 64) + 1;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; i++) {
if ((*i).is_bar()) {
if ((*i).bar % 64 == 1) {
if ((*i).bar % 256 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
buf[0] = '\0';
if ((*i).bar % 256 == 129) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
}
break;
case bbt_show_16:
bbt_nmarks = (bbt_bars / 16) + 1;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; i++) {
if ((*i).is_bar()) {
if ((*i).bar % 16 == 1) {
if ((*i).bar % 64 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
buf[0] = '\0';
if ((*i).bar % 64 == 33) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
}
break;
case bbt_show_4:
bbt_nmarks = (bbt_bars / 4) + 1;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; ++i) {
if ((*i).is_bar()) {
if ((*i).bar % 4 == 1) {
if ((*i).bar % 16 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
buf[0] = '\0';
if ((*i).bar % 16 == 9) {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
}
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
}
break;
case bbt_show_1:
// default:
bbt_nmarks = bbt_bars + 2;
for (n = 0, i = grid.begin(); i != grid.end() && n < bbt_nmarks; ++i) {
if ((*i).is_bar()) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bbt().bars);
mark.style = ArdourCanvas::Ruler::Mark::Major;
mark.label = buf;
mark.position = (*i).sample;
marks.push_back (mark);
++n;
}
}
break;
}
}
void
Editor::set_samples_ruler_scale (samplepos_t lower, samplepos_t upper)
{
_samples_ruler_interval = (upper - lower) / 5;
}
void
Editor::metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>& marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
{
samplepos_t pos;
samplepos_t const ilower = (samplepos_t) floor (lower);
gchar buf[16];
gint nmarks;
gint n;
ArdourCanvas::Ruler::Mark mark;
if (_session == 0) {
return;
}
nmarks = 5;
for (n = 0, pos = ilower; n < nmarks; pos += _samples_ruler_interval, ++n) {
snprintf (buf, sizeof(buf), "%" PRIi64, pos);
mark.label = buf;
mark.position = pos;
mark.style = ArdourCanvas::Ruler::Mark::Major;
marks.push_back (mark);
}
}
static void
sample_to_clock_parts (samplepos_t sample,
samplepos_t sample_rate,
long* hrs_p,
long* mins_p,
long* secs_p,
long* millisecs_p)
{
samplepos_t left;
long hrs;
long mins;
long secs;
long millisecs;
left = sample;
hrs = left / (sample_rate * 60 * 60 * 1000);
left -= hrs * sample_rate * 60 * 60 * 1000;
mins = left / (sample_rate * 60 * 1000);
left -= mins * sample_rate * 60 * 1000;
secs = left / (sample_rate * 1000);
left -= secs * sample_rate * 1000;
millisecs = left / sample_rate;
*millisecs_p = millisecs;
*secs_p = secs;
*mins_p = mins;
*hrs_p = hrs;
return;
}
void
Editor::set_minsec_ruler_scale (samplepos_t lower, samplepos_t upper)
{
samplepos_t fr = _session->sample_rate() * 1000;
samplepos_t spacer;
if (_session == 0) {
return;
}
/* to prevent 'flashing' */
if (lower > (spacer = (samplepos_t)(128 * Editor::get_current_zoom ()))) {
lower -= spacer;
} else {
lower = 0;
}
upper += spacer;
samplecnt_t const range = (upper - lower) * 1000;
if (range <= (fr / 10)) { /* 0-0.1 second */
minsec_mark_interval = fr / 1000; /* show 1/1000 seconds */
minsec_ruler_scale = minsec_show_msecs;
minsec_mark_modulo = 10;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= (fr / 2)) { /* 0-0.5 second */
minsec_mark_interval = fr / 100; /* show 1/100 seconds */
minsec_ruler_scale = minsec_show_msecs;
minsec_mark_modulo = 100;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= fr) { /* 0-1 second */
minsec_mark_interval = fr / 10; /* show 1/10 seconds */
minsec_ruler_scale = minsec_show_msecs;
minsec_mark_modulo = 200;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 2 * fr) { /* 1-2 seconds */
minsec_mark_interval = fr / 10; /* show 1/10 seconds */
minsec_ruler_scale = minsec_show_msecs;
minsec_mark_modulo = 500;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 8 * fr) { /* 2-5 seconds */
minsec_mark_interval = fr / 5; /* show 2 seconds */
minsec_ruler_scale = minsec_show_msecs;
minsec_mark_modulo = 1000;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 16 * fr) { /* 8-16 seconds */
minsec_mark_interval = fr; /* show 1 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 2;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 30 * fr) { /* 10-30 seconds */
minsec_mark_interval = fr; /* show 1 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 5;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 60 * fr) { /* 30-60 seconds */
minsec_mark_interval = fr; /* show 1 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 5;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
minsec_mark_interval = 5 * fr; /* show 5 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 3;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 4 * 60 * fr) { /* 4 minutes */
minsec_mark_interval = 5 * fr; /* show 10 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 30;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 10 * 60 * fr) { /* 10 minutes */
minsec_mark_interval = 30 * fr; /* show 30 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 120;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
minsec_mark_interval = 60 * fr; /* show 1 minute */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 5;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
minsec_mark_interval = 2 * 60 * fr; /* show 2 minutes */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 10;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
minsec_mark_interval = 5 * 60 * fr; /* show 10 minutes */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 30;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
minsec_mark_interval = 20 * 60 * fr; /* show 20 minutes */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 60;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
minsec_mark_interval = 60 * 60 * fr; /* show 60 minutes */
minsec_ruler_scale = minsec_show_hours;
minsec_mark_modulo = 2;
minsec_nmarks = 2 + (range / minsec_mark_interval);
} else {
const samplecnt_t hours_in_range = range / (60 * 60 * fr);
const int text_width_rough_guess = 70; /* pixels, very very approximate guess at how wide the tick mark text is */
/* Normally we do not need to know anything about the width of the canvas
to set the ruler scale, because the caller has already determined
the width and set lower + upper arguments to this function to match that.
But in this case, where the range defined by lower and uppper can vary
substantially (anything from 24hrs+ to several billion years)
trying to decide which tick marks to show does require us to know
about the available width.
*/
minsec_nmarks = _track_canvas->width() / text_width_rough_guess;
minsec_mark_modulo = std::max ((samplecnt_t) 1, 1 + (hours_in_range / minsec_nmarks));
minsec_mark_interval = minsec_mark_modulo * (60 * 60 * fr);
minsec_ruler_scale = minsec_show_many_hours;
}
}
void
Editor::metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>& marks, gdouble lower, gdouble upper, gint /*maxchars*/)
{
samplepos_t pos;
samplepos_t spacer;
long hrs, mins, secs, millisecs;
gchar buf[16];
gint n;
ArdourCanvas::Ruler::Mark mark;
if (_session == 0) {
return;
}
/* to prevent 'flashing' */
if (lower > (spacer = (samplepos_t) (128 * Editor::get_current_zoom ()))) {
lower = lower - spacer;
} else {
lower = 0;
}
if (minsec_mark_interval == 0) { //we got here too early; divide-by-zero imminent
return;
}
pos = (((1000 * (samplepos_t) floor(lower)) + (minsec_mark_interval/2))/minsec_mark_interval) * minsec_mark_interval;
switch (minsec_ruler_scale) {
case minsec_show_msecs:
for (n = 0; n < minsec_nmarks && n < upper; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, _session->sample_rate(), &hrs, &mins, &secs, &millisecs);
if (millisecs % minsec_mark_modulo == 0) {
if (millisecs == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
}
snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
} else {
buf[0] = '\0';
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
mark.label = buf;
mark.position = pos/1000.0;
marks.push_back (mark);
}
break;
case minsec_show_seconds:
for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, _session->sample_rate(), &hrs, &mins, &secs, &millisecs);
if (secs % minsec_mark_modulo == 0) {
if (secs == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
}
snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld", hrs, mins, secs);
} else {
buf[0] = '\0';
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
mark.label = buf;
mark.position = pos/1000.0;
marks.push_back (mark);
}
break;
case minsec_show_minutes:
for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, _session->sample_rate(), &hrs, &mins, &secs, &millisecs);
if (mins % minsec_mark_modulo == 0) {
if (mins == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
mark.style = ArdourCanvas::Ruler::Mark::Minor;
}
snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld", hrs, mins, secs);
} else {
buf[0] = '\0';
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
mark.label = buf;
mark.position = pos/1000.0;
marks.push_back (mark);
}
break;
case minsec_show_hours:
for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, _session->sample_rate(), &hrs, &mins, &secs, &millisecs);
if (hrs % minsec_mark_modulo == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%02ld:%02ld", hrs, mins);
} else {
buf[0] = '\0';
mark.style = ArdourCanvas::Ruler::Mark::Micro;
}
mark.label = buf;
mark.position = pos/1000.0;
marks.push_back (mark);
}
break;
case minsec_show_many_hours:
for (n = 0; n < minsec_nmarks;) {
sample_to_clock_parts (pos, _session->sample_rate(), &hrs, &mins, &secs, &millisecs);
if (hrs % minsec_mark_modulo == 0) {
mark.style = ArdourCanvas::Ruler::Mark::Major;
snprintf (buf, sizeof(buf), "%02ld:00", hrs);
mark.label = buf;
mark.position = pos/1000.0;
marks.push_back (mark);
++n;
}
pos += minsec_mark_interval;
}
break;
}
}
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