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livetrax/gtk2_ardour/editor_rulers.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C) 
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

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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());
_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);
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 (_("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;
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 = 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;
Timecode::BBT_Time lower_beat, upper_beat; // the beats at each end of the ruler
double floor_lower_beat = floor(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 (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_accent_modulo = 1;
bbt_bar_helper_on = false;
bbt_bars = 0;
bbt_nmarks = 1;
bbt_ruler_scale = bbt_show_many;
switch (_grid_type) {
case GridTypeBeatDiv2:
bbt_beat_subdivision = 2;
break;
case GridTypeBeatDiv3:
bbt_beat_subdivision = 3;
break;
case GridTypeBeatDiv4:
bbt_beat_subdivision = 4;
break;
case GridTypeBeatDiv5:
bbt_beat_subdivision = 5;
bbt_accent_modulo = 2; // XXX YIKES
break;
case GridTypeBeatDiv6:
bbt_beat_subdivision = 3;
bbt_accent_modulo = 2; // XXX YIKES
break;
case GridTypeBeatDiv7:
bbt_beat_subdivision = 7;
bbt_accent_modulo = 2; // XXX YIKES
break;
case GridTypeBeatDiv8:
bbt_beat_subdivision = 4;
bbt_accent_modulo = 2;
break;
case GridTypeBeatDiv10:
bbt_beat_subdivision = 5;
bbt_accent_modulo = 2; // XXX YIKES
break;
case GridTypeBeatDiv12:
bbt_beat_subdivision = 3;
bbt_accent_modulo = 3;
break;
case GridTypeBeatDiv14:
bbt_beat_subdivision = 7;
bbt_accent_modulo = 3; // XXX YIKES!
break;
case GridTypeBeatDiv16:
bbt_beat_subdivision = 4;
bbt_accent_modulo = 4;
break;
case GridTypeBeatDiv20:
bbt_beat_subdivision = 5;
bbt_accent_modulo = 5;
break;
case GridTypeBeatDiv24:
bbt_beat_subdivision = 6;
bbt_accent_modulo = 6;
break;
case GridTypeBeatDiv28:
bbt_beat_subdivision = 7;
bbt_accent_modulo = 7;
break;
case GridTypeBeatDiv32:
bbt_beat_subdivision = 4;
bbt_accent_modulo = 8;
break;
case GridTypeBar:
case GridTypeBeat:
bbt_beat_subdivision = 4;
break;
case GridTypeNone:
case GridTypeTimecode:
case GridTypeMinSec:
case GridTypeCDFrame:
bbt_beat_subdivision = 4;
break;
}
const double ceil_upper_beat = floor (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;
beats = (ceil_upper_beat - floor_lower_beat);// - bbt_bars; possible thinko; this fixes the problem (for me) where measure lines alternately appear&disappear while playing at certain zoom scales
double beat_density = ((beats + 1) * ((double) (upper - lower) / (double) (1 + beat_after_upper_pos - beat_before_lower_pos))) / 5.0;
/* 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;
}
//set upper limits on the beat_density based on the user's grid selection
if (_grid_type == GridTypeBar) {
beat_density = fmax (beat_density, 16.01);
} else if (_grid_type == GridTypeBeat) {
beat_density = fmax (beat_density, 4.01);
} else if (_grid_type == GridTypeBeatDiv2) {
beat_density = fmax (beat_density, 2.01);
} else if (_grid_type == GridTypeBeatDiv4) {
beat_density = fmax (beat_density, 1.001);
} else if (_grid_type == GridTypeBeatDiv8) {
beat_density = fmax (beat_density, 0.501);
} else if (_grid_type == GridTypeBeatDiv16) {
beat_density = fmax (beat_density, 0.2501);
} else if (_grid_type == GridTypeBeatDiv32) {
beat_density = fmax (beat_density, 0.12501);
}
if (beat_density > 2048) {
bbt_ruler_scale = bbt_show_many;
} else if (beat_density > 512) {
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 {
bbt_ruler_scale = bbt_show_thirtyseconds;
}
}
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;
Timecode::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;
}
switch (bbt_ruler_scale) {
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:
beats = distance (grid.begin(), grid.end());
bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
bbt_position_of_helper = lower + (30 * Editor::get_current_zoom ());
// could do marks.assign() here to preallocate
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 = Timecode::BBT_Time::ticks_per_beat / bbt_beat_subdivision;
tick = skip; // the first non-beat tick
t = 0;
while (tick < Timecode::BBT_Time::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;
}
mark.label = "";
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_sixteenths:
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 = Timecode::BBT_Time::ticks_per_beat / bbt_beat_subdivision;
tick = skip; // the first non-beat tick
t = 0;
while (tick < Timecode::BBT_Time::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 = Timecode::BBT_Time::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 < Timecode::BBT_Time::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()) {
if ((*i).bar % 4 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
mark.style = ArdourCanvas::Ruler::Mark::Major;
} else {
buf[0] = '\0';
if ((*i).bar % 4 == 3) {
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;
}
}
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 = 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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