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livetrax/gtk2_ardour/region_view.cc
Paul Davis b35518e212 switch from boost::{shared,weak}_ptr to std::{shared,weak}_ptr
This is mostly a simple lexical search+replace but the absence of operator< for
std::weak_ptr<T> leads to some complications, particularly with Evoral::Sequence
and ExportPortChannel.
2023-03-24 14:19:15 -06:00

1252 lines
32 KiB
C++

/*
* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2019 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 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.
*/
#include <cmath>
#include <algorithm>
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include "temporal/tempo.h"
#include "ardour/playlist.h"
#include "ardour/source.h"
#include "gtkmm2ext/colors.h"
#include "canvas/arrow.h"
#include "canvas/polygon.h"
#include "canvas/debug.h"
#include "canvas/pixbuf.h"
#include "canvas/text.h"
#include "canvas/line.h"
#include "streamview.h"
#include "region_view.h"
#include "automation_region_view.h"
#include "public_editor.h"
#include "region_editor.h"
#include "ghostregion.h"
#include "ui_config.h"
#include "utils.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace ARDOUR_UI_UTILS;
using namespace PBD;
using namespace Editing;
using namespace Gtk;
using namespace ArdourCanvas;
static const int32_t sync_mark_width = 9;
PBD::Signal1<void,RegionView*> RegionView::RegionViewGoingAway;
RegionView::RegionView (ArdourCanvas::Container* parent,
TimeAxisView& tv,
const std::shared_ptr<ARDOUR::Region>& r,
double spu,
uint32_t basic_color,
bool automation)
: TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), false, automation,
(automation ? TimeAxisViewItem::ShowFrame :
TimeAxisViewItem::Visibility ((UIConfiguration::instance().get_show_region_name() ? TimeAxisViewItem::ShowNameText : 0) |
TimeAxisViewItem::ShowNameHighlight| TimeAxisViewItem::ShowFrame)))
, _region (r)
, sync_mark (nullptr)
, sync_line (nullptr)
, editor (nullptr)
, current_visible_sync_position (0.0)
, valid (false)
, _disable_display (0)
, _pixel_width (1.0)
, in_destructor (false)
, wait_for_data (false)
, _silence_text (nullptr)
, _xrun_markers_visible (false)
, _cue_markers_visible (false)
{
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &RegionView::parameter_changed));
for (const auto& s : _region->sources ()) {
s->CueMarkersChanged.connect (*this, invalidator (*this), [this] { update_cue_markers (); }, gui_context ());
}
}
RegionView::RegionView (const RegionView& other)
: sigc::trackable(other)
, TimeAxisViewItem (other)
, sync_mark (nullptr)
, sync_line (nullptr)
, _silence_text (nullptr)
, _xrun_markers_visible (false)
, _cue_markers_visible (false)
{
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &RegionView::parameter_changed));
/* derived concrete type will call init () */
_region = other._region;
current_visible_sync_position = other.current_visible_sync_position;
valid = false;
_pixel_width = other._pixel_width;
for (const auto& s : _region->sources ()) {
s->CueMarkersChanged.connect (*this, invalidator (*this), [this] { update_cue_markers (); }, gui_context ());
}
}
RegionView::RegionView (const RegionView& other, const std::shared_ptr<Region>& other_region)
: sigc::trackable(other)
, TimeAxisViewItem (other)
, sync_mark (nullptr)
, sync_line (nullptr)
, _silence_text (nullptr)
, _xrun_markers_visible (false)
, _cue_markers_visible (false)
{
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &RegionView::parameter_changed));
/* derived concrete type will call init () */
/* this is a pseudo-copy constructor used when dragging regions
around on the canvas.
*/
/* derived concrete type will call init () */
_region = other_region;
current_visible_sync_position = other.current_visible_sync_position;
valid = false;
_pixel_width = other._pixel_width;
for (const auto& s : _region->sources ()) {
s->CueMarkersChanged.connect (*this, invalidator (*this), [this] { update_cue_markers (); }, gui_context ());
}
}
RegionView::RegionView (ArdourCanvas::Container* parent,
TimeAxisView& tv,
const std::shared_ptr<ARDOUR::Region>& r,
double spu,
uint32_t basic_color,
bool recording,
TimeAxisViewItem::Visibility visibility)
: TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), recording, false, visibility)
, _region (r)
, sync_mark (nullptr)
, sync_line (nullptr)
, editor (nullptr)
, current_visible_sync_position (0.0)
, valid (false)
, _disable_display (0)
, _pixel_width (1.0)
, in_destructor (false)
, wait_for_data (false)
, _silence_text (nullptr)
{
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &RegionView::parameter_changed));
for (const auto& s : _region->sources ()) {
s->CueMarkersChanged.connect (*this, invalidator (*this), [this] { update_cue_markers (); }, gui_context ());
}
}
void
RegionView::init (bool wfd)
{
editor = nullptr;
valid = true;
in_destructor = false;
wait_for_data = wfd;
if (name_highlight) {
name_highlight->set_data ("regionview", this);
name_highlight->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
}
if (frame_handle_start) {
frame_handle_start->set_data ("regionview", this);
frame_handle_start->set_data ("isleft", (void*) 1);
frame_handle_start->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_start, this));
frame_handle_start->raise_to_top();
}
if (frame_handle_end) {
frame_handle_end->set_data ("regionview", this);
frame_handle_end->set_data ("isleft", (void*) 0);
frame_handle_end->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_end, this));
frame_handle_end->raise_to_top();
}
if (name_text) {
name_text->set_data ("regionview", this);
name_text->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_event), name_text, this));
}
XrunPositions xrp;
_region->captured_xruns (xrp, true);
int arrow_size = (int)(7.0 * UIConfiguration::instance ().get_ui_scale ()) & ~1;
for (long x : xrp) {
auto* canvas_item = new ArdourCanvas::Arrow(group);
canvas_item->set_color (UIConfiguration::instance().color ("neutral:background"));
canvas_item->set_show_head (1, true);
canvas_item->set_show_head (0, false);
canvas_item->set_head_width (1, arrow_size);
canvas_item->set_head_height (1, arrow_size);
canvas_item->set_y0 (arrow_size);
canvas_item->set_y1 (arrow_size);
canvas_item->raise_to_top ();
canvas_item->hide ();
_xrun_markers.emplace_back(x, canvas_item);
}
_xrun_markers_visible = false;
update_xrun_markers ();
_cue_markers_visible = false;
update_cue_markers ();
/* derived class calls set_height () including RegionView::set_height() in ::init() */
//set_height (trackview.current_height());
_region->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&RegionView::region_changed, this, _1), gui_context());
/* derived class calls set_colors () including RegionView::set_colors() in ::init() */
//set_colors ();
UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &RegionView::color_handler));
/* XXX sync mark drag? */
}
RegionView::~RegionView ()
{
in_destructor = true;
for (auto& ghost : ghosts) {
delete ghost;
}
for (auto& i : _coverage_frame) {
delete i;
}
for (auto& _xrun_marker : _xrun_markers) {
delete (_xrun_marker.second);
}
for (auto& _cue_marker : _cue_markers) {
delete _cue_marker;
}
drop_silent_frames ();
delete editor;
}
bool
RegionView::canvas_group_event (GdkEvent* event)
{
if (!in_destructor) {
return trackview.editor().canvas_region_view_event (event, group, this);
}
return false;
}
void
RegionView::set_silent_frames (const AudioIntervalResult& silences, double /*threshold*/)
{
samplecnt_t shortest = max_samplecnt;
/* remove old silent frames */
drop_silent_frames ();
if (silences.empty()) {
return;
}
uint32_t const color = UIConfiguration::instance().color_mod ("silence", "silence");
for (const auto& silence : silences) {
auto* cr = new ArdourCanvas::Rectangle (group);
cr->set_ignore_events (true);
_silent_frames.push_back (cr);
/* coordinates for the rect are relative to the regionview origin */
cr->set_x0 (trackview.editor ().sample_to_pixel (silence.first - _region->start_sample ()));
cr->set_x1 (trackview.editor ().sample_to_pixel (silence.second - _region->start_sample ()));
cr->set_y0 (1);
cr->set_y1 (_height - 2);
cr->set_outline (false);
cr->set_fill_color (color);
shortest = min (shortest, silence.second - silence.first);
}
/* Find shortest audible segment */
samplecnt_t shortest_audible = max_samplecnt;
samplecnt_t s = _region->start_sample();
for (const auto& silence : silences) {
samplecnt_t const dur = silence.first - s;
if (dur > 0) {
shortest_audible = min (shortest_audible, dur);
}
s = silence.second;
}
samplecnt_t const dur = _region->start_sample() + _region->length_samples() - 1 - s;
if (dur > 0) {
shortest_audible = min (shortest_audible, dur);
}
_silence_text = new ArdourCanvas::Text (group);
_silence_text->set_ignore_events (true);
_silence_text->set_font_description (get_font_for_style (N_("SilenceText")));
_silence_text->set_color (UIConfiguration::instance().color ("silence text"));
/* both positions are relative to the region start offset in source */
_silence_text->set_x_position (trackview.editor().sample_to_pixel (silences.front().first - _region->start_sample()) + 10.0);
_silence_text->set_y_position (20.0);
double ms = (float) shortest/_region->session().sample_rate();
/* ms are now in seconds */
char const * sunits;
if (ms >= 60.0) {
sunits = _("minutes");
ms /= 60.0;
} else if (ms < 1.0) {
sunits = _("msecs");
ms *= 1000.0;
} else {
sunits = _("secs");
}
string text = string_compose (ngettext ("%1 silent segment", "%1 silent segments", silences.size()), silences.size())
+ ", "
+ string_compose (_("shortest = %1 %2"), ms, sunits);
if (shortest_audible != max_samplepos) {
/* ms are now in seconds */
double ma = (float) shortest_audible / _region->session().sample_rate();
char const * aunits;
if (ma >= 60.0) {
aunits = _("minutes");
ma /= 60.0;
} else if (ma < 1.0) {
aunits = _("msecs");
ma *= 1000.0;
} else {
aunits = _("secs");
}
text += string_compose (_("\n (shortest audible segment = %1 %2)"), ma, aunits);
}
_silence_text->set (text);
}
void
RegionView::hide_silent_frames ()
{
for (auto& _silent_frame : _silent_frames) {
_silent_frame->hide ();
}
_silence_text->hide ();
}
void
RegionView::drop_silent_frames ()
{
ItemChangeBlocker cb (*group);
for (auto& _silent_frame : _silent_frames) {
delete _silent_frame;
}
_silent_frames.clear ();
delete _silence_text;
_silence_text = nullptr;
}
gint
RegionView::_lock_toggle (ArdourCanvas::Item*, GdkEvent* ev, void* arg)
{
switch (ev->type) {
case GDK_BUTTON_RELEASE:
static_cast<RegionView*>(arg)->lock_toggle ();
return TRUE;
break;
default:
break;
}
return FALSE;
}
void
RegionView::lock_toggle ()
{
_region->set_locked (!_region->locked());
}
void
RegionView::region_changed (const PropertyChange& what_changed)
{
DisplaySuspender ds (*this, false);
ENSURE_GUI_THREAD (*this, &RegionView::region_changed, what_changed);
if (what_changed.contains (ARDOUR::bounds_change)) {
region_resized (what_changed);
region_sync_changed ();
update_cue_markers ();
}
if (what_changed.contains (ARDOUR::Properties::muted)) {
region_muted ();
}
if (what_changed.contains (ARDOUR::Properties::opaque)) {
region_opacity ();
}
if (what_changed.contains (ARDOUR::Properties::name)) {
region_renamed ();
}
if (what_changed.contains (ARDOUR::Properties::time_domain)) {
region_renamed ();
}
if (what_changed.contains (ARDOUR::Properties::length)) {
region_renamed ();
}
if (what_changed.contains (ARDOUR::Properties::sync_position)) {
region_sync_changed ();
}
if (what_changed.contains (ARDOUR::Properties::locked)) {
region_locked ();
}
}
void
RegionView::region_locked ()
{
/* name will show locked status */
region_renamed ();
}
void
RegionView::region_resized (const PropertyChange& what_changed)
{
double unit_length;
/* position is stored in length */
if (what_changed.contains (ARDOUR::Properties::length)) {
set_position (_region->position(), 0);
}
PropertyChange s_and_l;
s_and_l.add (ARDOUR::Properties::start);
s_and_l.add (ARDOUR::Properties::length);
if (what_changed.contains (s_and_l)) {
set_duration (_region->length(), 0);
unit_length = _region->length_samples() / samples_per_pixel;
for (auto& ghost : ghosts) {
ghost->set_duration (unit_length);
}
update_xrun_markers ();
}
}
void
RegionView::reset_width_dependent_items (double pixel_width)
{
TimeAxisViewItem::reset_width_dependent_items (pixel_width);
_pixel_width = pixel_width;
if (_xrun_markers_visible) {
const samplepos_t start = _region->start_sample();
for (auto& _xrun_marker : _xrun_markers) {
float x_pos = trackview.editor ().sample_to_pixel (_xrun_marker.first - start);
_xrun_marker.second->set_x (x_pos);
}
}
}
void
RegionView::update_xrun_markers ()
{
const bool show_xruns_markers = UIConfiguration::instance().get_show_region_xrun_markers();
if (_xrun_markers_visible == show_xruns_markers && !_xrun_markers_visible) {
return;
}
const samplepos_t start = _region->start_sample();
const samplepos_t length = _region->length_samples();
for (auto& _xrun_marker : _xrun_markers) {
float x_pos = trackview.editor ().sample_to_pixel (_xrun_marker.first - start);
_xrun_marker.second->set_x (x_pos);
if (show_xruns_markers && (_xrun_marker.first >= start && _xrun_marker.first < start + length)) {
_xrun_marker.second->show ();
} else {
_xrun_marker.second->hide ();
}
}
_xrun_markers_visible = show_xruns_markers;
}
RegionView::ViewCueMarker::~ViewCueMarker ()
{
delete view_marker;
}
void
RegionView::update_cue_markers ()
{
const bool show_cue_markers = UIConfiguration::instance().get_show_region_cue_markers();
if (_cue_markers_visible == show_cue_markers && !_cue_markers_visible) {
return;
}
const timepos_t start = region()->start();
const timepos_t end = region()->start() + region()->length();
const Gtkmm2ext::SVAModifier alpha = UIConfiguration::instance().modifier (X_("region mark"));
const uint32_t color = Gtkmm2ext::HSV (UIConfiguration::instance().color ("region mark")).mod (alpha).color();
/* We assume that if the region has multiple sources, any of them will
* be appropriate as the origin of cue markers. We use the first one.
*/
std::shared_ptr<Source> source = region()->source (0);
CueMarkers const & model_markers (source->cue_markers());
/* Remove any view markers that are no longer present in the model cue
* marker set
*/
for (auto v = _cue_markers.begin (); v != _cue_markers.end ();) {
if (model_markers.find ((*v)->model_marker) == model_markers.end ()) {
delete *v;
v = _cue_markers.erase (v);
} else {
++v;
}
}
/* now check all the model markers and make sure we have view markers
* for them. Note that because we use Source::cue_markers() above the
* set will contain markers stamped with absolute, not region-relative,
* timestamps and some of them may be outside the Region.
*/
for (const auto& model_marker : model_markers) {
auto existing = _cue_markers.end ();
for (auto v = _cue_markers.begin (); v != _cue_markers.end (); ++v) {
if ((*v)->model_marker == model_marker) {
existing = v;
break;
}
}
if (existing == _cue_markers.end ()) {
if (model_marker.position () < start || model_marker.position () >= end) {
/* not within this region */
continue;
}
/* Create a new ViewCueMarker */
auto* mark = new ArdourMarker (trackview.editor(), *group, color , model_marker.text(), ArdourMarker::RegionCue, timepos_t (start.distance (model_marker.position())), true, this);
mark->set_points_color (color);
mark->set_show_line (true);
/* make sure the line has a clean end, before the frame
of the region view
*/
mark->set_line_height (trackview.current_height() - (1.5 * UIConfiguration::instance ().get_ui_scale ()));
mark->the_item().raise_to_top ();
if (show_cue_markers) {
mark->show ();
} else {
mark->hide ();
}
_cue_markers.push_back (new ViewCueMarker (mark, model_marker));
} else {
if (model_marker.position() < start || model_marker.position() >= end) {
/* not within this region */
delete (*existing);
_cue_markers.erase (existing);
continue;
}
/* Move and control visibility for an existing ViewCueMarker */
if (show_cue_markers) {
(*existing)->view_marker->show ();
} else {
(*existing)->view_marker->hide ();
}
(*existing)->view_marker->set_position (timepos_t (start.distance (model_marker.position ())));
(*existing)->view_marker->the_item().raise_to_top ();
}
}
_cue_markers_visible = show_cue_markers;
}
void
RegionView::region_muted ()
{
set_frame_color ();
region_renamed ();
}
void
RegionView::region_opacity ()
{
set_frame_color ();
}
void
RegionView::raise_to_top ()
{
_region->raise_to_top ();
}
void
RegionView::lower_to_bottom ()
{
_region->lower_to_bottom ();
}
bool
RegionView::set_position (timepos_t const & pos, void* /*src*/, double* ignored)
{
double delta;
bool ret;
if (!(ret = TimeAxisViewItem::set_position (pos, this, &delta))) {
return false;
}
if (ignored) {
*ignored = delta;
}
if (delta) {
for (auto& ghost : ghosts) {
ghost->group->move (ArdourCanvas::Duple (delta, 0.0));
}
}
return ret;
}
void
RegionView::set_samples_per_pixel (double fpp)
{
TimeAxisViewItem::set_samples_per_pixel (fpp);
for (auto& ghost : ghosts) {
ghost->set_samples_per_pixel (fpp);
ghost->set_duration (_region->length_samples () / fpp);
}
region_sync_changed ();
}
bool
RegionView::set_duration (timecnt_t const & dur, void *src)
{
if (!TimeAxisViewItem::set_duration (dur, src)) {
return false;
}
for (auto& ghost : ghosts) {
ghost->set_duration (_region->length_samples () / samples_per_pixel);
}
return true;
}
void
RegionView::set_colors ()
{
TimeAxisViewItem::set_colors ();
set_sync_mark_color ();
const Gtkmm2ext::SVAModifier alpha = UIConfiguration::instance().modifier (X_("region mark"));
const uint32_t color = Gtkmm2ext::HSV (UIConfiguration::instance().color ("region mark")).mod (alpha).color();
for (auto& _cue_marker : _cue_markers) {
_cue_marker->view_marker->set_color_rgba (color);
}
}
void
RegionView::parameter_changed (std::string const& p)
{
if (p == "show-region-xrun-markers") {
update_xrun_markers ();
} else if (p == "show-region-cue-markers") {
update_cue_markers ();
}
}
void
RegionView::set_sync_mark_color ()
{
if (sync_mark) {
Gtkmm2ext::Color c = UIConfiguration::instance().color ("sync mark");
sync_mark->set_fill_color (c);
sync_mark->set_outline_color (c);
sync_line->set_outline_color (c);
}
}
void
RegionView::show_region_editor ()
{
if (!editor) {
editor = new RegionEditor (trackview.session(), region());
}
editor->present ();
editor->show_all();
}
void
RegionView::hide_region_editor()
{
if (editor) {
editor->hide_all ();
}
}
std::string
RegionView::make_name () const
{
std::string str{};
// XXX nice to have some good icons for this
if (_region->position_time_domain() == Temporal::BeatTime) {
str += u8"\u266B"; // BEAMED EIGHTH NOTES
}
if (_region->locked()) {
str += u8"\u2629"; // CROSS OF JERUSALEM
str += _region->name();
} else if (_region->position_locked()) {
str += u8"\u21B9"; // LEFTWARDS ARROW TO BAR OVER RIGHTWARDS ARROW TO BAR
str += _region->name();
} else if (_region->video_locked()) {
str += '[';
str += _region->name();
str += ']';
} else {
str += _region->name();
}
if (_region->muted()) {
str = std::string(u8"\U0001F507") + str; // SPEAKER WITH CANCELLATION STROKE
}
return str;
}
void
RegionView::region_renamed ()
{
std::string str = make_name ();
set_item_name (str, this);
set_name_text (str);
}
void
RegionView::region_sync_changed ()
{
int sync_dir;
timecnt_t sync_offset;
sync_offset = _region->sync_offset (sync_dir);
if (sync_offset.is_zero ()) {
/* no need for a sync mark */
if (sync_mark) {
sync_mark->hide();
sync_line->hide ();
}
return;
}
if (!sync_mark) {
/* points set below */
sync_mark = new ArdourCanvas::Polygon (group);
CANVAS_DEBUG_NAME (sync_mark, string_compose ("sync mark for %1", get_item_name()));
sync_line = new ArdourCanvas::Line (group);
CANVAS_DEBUG_NAME (sync_line, string_compose ("sync mark for %1", get_item_name()));
set_sync_mark_color ();
}
/* this has to handle both a genuine change of position, a change of samples_per_pixel
and a change in the bounds of the _region->
*/
if (sync_offset == 0) {
/* no sync mark - its the start of the region */
sync_mark->hide();
sync_line->hide ();
} else {
if ((sync_dir < 0) || ((sync_dir > 0) && (sync_offset > _region->length()))) {
/* no sync mark - its out of the bounds of the region */
sync_mark->hide();
sync_line->hide ();
} else {
/* lets do it */
Points points;
//points = sync_mark->property_points().get_value();
double offset = trackview.editor().duration_to_pixels (sync_offset);
points.push_back (ArdourCanvas::Duple (offset - ((sync_mark_width-1)/2), 1));
points.push_back (ArdourCanvas::Duple (offset + ((sync_mark_width-1)/2), 1));
points.push_back (ArdourCanvas::Duple (offset, sync_mark_width - 1));
points.push_back (ArdourCanvas::Duple (offset - ((sync_mark_width-1)/2), 1));
sync_mark->set (points);
sync_mark->show ();
sync_line->set (ArdourCanvas::Duple (offset, 0), ArdourCanvas::Duple (offset, trackview.current_height() - NAME_HIGHLIGHT_SIZE));
sync_line->show ();
}
}
}
void
RegionView::move (double x_delta, double y_delta)
{
if (!_region->can_move() || (x_delta == 0 && y_delta == 0)) {
return;
}
/* items will not prevent Item::move() moving
* them to a negative x-axis coordinate, which
* is legal, but we don't want that here.
*/
ArdourCanvas::Item *item = get_canvas_group ();
if (item->position().x + x_delta < 0) {
x_delta = -item->position().x; /* move it to zero */
}
item->move (ArdourCanvas::Duple (x_delta, y_delta));
/* note: ghosts never leave their tracks so y_delta for them is always zero */
for (auto& ghost : ghosts) {
ghost->group->move (ArdourCanvas::Duple (x_delta, 0.0));
}
}
void
RegionView::remove_ghost_in (TimeAxisView& tv)
{
for (auto& ghost : ghosts) {
if (&ghost->trackview == &tv) {
delete ghost;
break;
}
}
}
void
RegionView::remove_ghost (GhostRegion* ghost)
{
if (in_destructor) {
return;
}
for (auto i = ghosts.begin(); i != ghosts.end(); ++i) {
if (*i == ghost) {
ghosts.erase (i);
break;
}
}
}
void
RegionView::set_height (double h)
{
TimeAxisViewItem::set_height(h);
if (sync_line) {
Points points;
int sync_dir;
timecnt_t sync_offset;
sync_offset = _region->sync_offset (sync_dir);
double offset = trackview.editor().duration_to_pixels (sync_offset);
sync_line->set (
ArdourCanvas::Duple (offset, 0),
ArdourCanvas::Duple (offset, h - NAME_HIGHLIGHT_SIZE)
);
}
for (auto& i : _coverage_frame) {
i->set_y1 (h + 1);
}
for (auto& _silent_frame : _silent_frames) {
_silent_frame->set_y1 (h + 1);
}
for (auto& _cue_marker : _cue_markers) {
_cue_marker->view_marker->set_line_height (h - (1.5 * UIConfiguration::instance ().get_ui_scale ()));
}
}
/** Remove old coverage frame and make new ones, if we're in a LayerDisplay mode
* which uses them. */
void
RegionView::update_coverage_frame (LayerDisplay d)
{
/* remove old coverage frame */
for (auto& i : _coverage_frame) {
delete i;
}
_coverage_frame.clear ();
if (d != Stacked) {
/* don't do coverage frame unless we're in stacked mode */
return;
}
std::shared_ptr<Playlist> pl (_region->playlist ());
if (!pl) {
return;
}
timepos_t const position = _region->position ();
timepos_t t (position);
timepos_t const end = _region->nt_last ();
ArdourCanvas::Rectangle* cr = nullptr;
bool me = false;
/* the color that will be used to show parts of regions that will not be heard */
uint32_t const non_playing_color = UIConfiguration::instance().color_mod ("covered region", "covered region base");
while (t < end) {
t = t.increment ();
/* is this region is on top at time t? */
bool const new_me = pl->region_is_audible_at (_region, t);
/* finish off any old rect, if required */
if (cr && me != new_me) {
cr->set_x1 (trackview.editor().duration_to_pixels (position.distance (t)));
cr = 0;
}
/* start off any new rect, if required */
if (!cr && !new_me) {
cr = new ArdourCanvas::Rectangle (group);
_coverage_frame.push_back (cr);
cr->set_x0 (trackview.editor().duration_to_pixels (position.distance (t)));
cr->set_y0 (1);
cr->set_y1 (_height + 1);
cr->set_outline (false);
cr->set_ignore_events (true);
cr->set_fill_color (non_playing_color);
}
t = pl->find_next_region_boundary (t, 1);
if (t == timepos_t::max (t.time_domain())) {
break;
}
me = new_me;
}
if (cr) {
/* finish off the last rectangle */
cr->set_x1 (trackview.editor().duration_to_pixels (position.distance (end)));
}
if (frame_handle_start) {
frame_handle_start->raise_to_top ();
}
if (frame_handle_end) {
frame_handle_end->raise_to_top ();
}
if (name_highlight) {
name_highlight->raise_to_top ();
}
if (name_text) {
name_text->raise_to_top ();
}
}
bool
RegionView::trim_front (timepos_t const & new_bound, bool no_overlap)
{
if (_region->locked()) {
return false;
}
if (_region->position() == new_bound) {
return false;
}
timepos_t const pos = _region->position();
_region->trim_front (new_bound);
if (no_overlap) {
/* Get the next region on the left of this region and shrink/expand it. */
std::shared_ptr<Playlist> playlist (_region->playlist());
std::shared_ptr<Region> region_left = playlist->find_next_region (pos, End, 0);
bool regions_touching = false;
if (region_left && (pos == region_left->end())) {
regions_touching = true;
}
/* Only trim region on the left if the first sample has gone beyond the left region's last sample. */
if (region_left && (region_left->nt_last() > _region->position() || regions_touching)) {
region_left->trim_end (_region->position().decrement());
}
}
region_changed (ARDOUR::bounds_change);
return (pos != _region->position()); // return true if we actually changed something
}
bool
RegionView::trim_end (timepos_t const & new_bound, bool no_overlap)
{
if (_region->locked()) {
return false;
}
timepos_t const last = _region->nt_last();
_region->trim_end (new_bound);
if (no_overlap) {
/* Get the next region on the right of this region and shrink/expand it. */
std::shared_ptr<Playlist> playlist (_region->playlist());
std::shared_ptr<Region> region_right = playlist->find_next_region (last, Start, 1);
bool regions_touching = false;
if (region_right && (last == region_right->position().decrement())) {
regions_touching = true;
}
/* Only trim region on the right if the last sample has gone beyond the right region's first sample. */
if (region_right && (region_right->position() < _region->nt_last() || regions_touching)) {
region_right->trim_front (_region->end());
}
region_changed (ARDOUR::bounds_change);
} else {
region_changed (PropertyChange (ARDOUR::Properties::length));
}
return (last != _region->nt_last()); // return true if we actually changed something
}
void
RegionView::thaw_after_trim ()
{
if (_region->locked()) {
return;
}
_region->resume_property_changes ();
}
void
RegionView::move_contents (timecnt_t const & distance)
{
if (_region->locked()) {
return;
}
_region->move_start (distance);
region_changed (PropertyChange (ARDOUR::Properties::start));
}
/** Snap a time offset within our region using the current snap settings.
* @param x Time offset from this region's position.
* @param ensure_snap whether to ignore snap_mode (in the case of SnapOff) and magnetic snap.
* Used when inverting snap mode logic with key modifiers, or snap distance calculation.
* @return Snapped time offset from this region's position.
*/
timecnt_t
RegionView::snap_region_time_to_region_time (timecnt_t const & x, bool ensure_snap) const
{
PublicEditor& editor = trackview.editor();
/* x is region relative, convert it to global absolute time */
timepos_t const session_pos = _region->position() + x;
/* try a snap in either direction */
timepos_t snapped = session_pos;
editor.snap_to (snapped, Temporal::RoundNearest, SnapToAny_Visual, ensure_snap);
/* if we went off the beginning of the region, snap forwards */
if (snapped < _region->position ()) {
snapped = session_pos;
editor.snap_to (snapped, Temporal::RoundUpAlways, SnapToAny_Visual, ensure_snap);
}
/* back to region relative */
return _region->region_relative_position (snapped);
}
timecnt_t
RegionView::region_relative_distance (timecnt_t const & duration, Temporal::TimeDomain domain)
{
return Temporal::TempoMap::use()->convert_duration (duration, _region->position(), domain);
}
void
RegionView::update_visibility ()
{
/* currently only the name visibility can be changed dynamically */
if (UIConfiguration::instance().get_show_region_name()) {
visibility = Visibility (visibility | ShowNameText);
} else {
visibility = Visibility (visibility & ~ShowNameText);
}
manage_name_text ();
}
void
RegionView::set_selected (bool yn)
{
_region->set_selected_for_solo(yn);
TimeAxisViewItem::set_selected(yn);
}
void
RegionView::maybe_raise_cue_markers ()
{
for (auto& _cue_marker : _cue_markers) {
_cue_marker->view_marker->the_item ().raise_to_top ();
}
}
CueMarker
RegionView::find_model_cue_marker (ArdourMarker* m)
{
for (auto& _cue_marker : _cue_markers) {
if (_cue_marker->view_marker == m) {
return _cue_marker->model_marker;
}
}
return CueMarker (string(), timepos_t()); /* empty string signifies invalid */
}
void
RegionView::drop_cue_marker (ArdourMarker* m)
{
for (auto v = _cue_markers.begin(); v != _cue_markers.end(); ++v) {
if ((*v)->view_marker == m) {
delete m;
_cue_markers.erase (v);
return;
}
}
}
void
RegionView::enable_display (bool view_only)
{
if (_disable_display) {
_disable_display--;
if (_disable_display == 0) {
redisplay (view_only);
}
}
}
void
RegionView::disable_display ()
{
_disable_display++;
}
bool
RegionView::display_enabled() const
{
return !_disable_display;
}