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livetrax/gtk2_ardour/automation_streamview.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

358 lines
10 KiB
C++

/*
* Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.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 <list>
#include <utility>
#include <gtkmm.h>
#include "gtkmm2ext/gtk_ui.h"
#include "pbd/compose.h"
#include "canvas/debug.h"
#include "ardour/midi_region.h"
#include "ardour/midi_source.h"
#include "automation_region_view.h"
#include "automation_streamview.h"
#include "automation_time_axis.h"
#include "gui_thread.h"
#include "public_editor.h"
#include "region_selection.h"
#include "region_view.h"
#include "rgb_macros.h"
#include "selection.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace ARDOUR_UI_UTILS;
using namespace PBD;
using namespace Editing;
AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
: StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()),
tv.canvas_display())
, _automation_view(tv)
, _pending_automation_state (Off)
{
CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group auto %1", tv.name()));
CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle auto %1", tv.name()));
color_handler ();
UIConfiguration::instance().ColorsChanged.connect(sigc::mem_fun(*this, &AutomationStreamView::color_handler));
}
AutomationStreamView::~AutomationStreamView ()
{
}
RegionView*
AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wait_for_data, bool /*recording*/)
{
if (!region) {
return 0;
}
if (wait_for_data) {
boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
if (mr) {
Source::Lock lock(mr->midi_source()->mutex());
mr->midi_source()->load_model(lock);
}
}
const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
region->control (_automation_view.parameter(), true)
);
boost::shared_ptr<AutomationList> list;
if (control) {
list = boost::dynamic_pointer_cast<AutomationList>(control->list());
if (control->list() && !list) {
error << _("unable to display automation region for control without list") << endmsg;
return 0;
}
}
AutomationRegionView *region_view;
std::list<RegionView *>::iterator i;
for (i = region_views.begin(); i != region_views.end(); ++i) {
if ((*i)->region() == region) {
/* great. we already have an AutomationRegionView for this Region. use it again. */
AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
if (arv->line()) {
arv->line()->set_list (list);
}
(*i)->set_valid (true);
(*i)->enable_display (wait_for_data);
display_region(arv);
return 0;
}
}
region_view = new AutomationRegionView (
_canvas_group, _automation_view, region,
_automation_view.parameter (), list,
_samples_per_pixel, region_color
);
region_view->init (false);
region_views.push_front (region_view);
/* follow global waveform setting */
if (wait_for_data) {
region_view->enable_display(true);
// region_view->midi_region()->midi_source(0)->load_model();
}
display_region (region_view);
/* catch regionview going away */
region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
/* setup automation state for this region */
boost::shared_ptr<AutomationLine> line = region_view->line ();
if (line && line->the_list()) {
line->the_list()->set_automation_state (automation_state ());
}
RegionViewAdded (region_view);
return region_view;
}
void
AutomationStreamView::display_region(AutomationRegionView* region_view)
{
region_view->line().reset();
}
void
AutomationStreamView::set_automation_state (AutoState state)
{
/* Setting the automation state for this view sets the state of all regions' lists to the same thing */
if (region_views.empty()) {
_pending_automation_state = state;
} else {
list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
if ((*i)->the_list()) {
(*i)->the_list()->set_automation_state (state);
}
}
}
}
void
AutomationStreamView::redisplay_track ()
{
// Flag region views as invalid and disable drawing
for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_valid (false);
(*i)->enable_display(false);
}
// Add and display region views, and flag them as valid
if (_trackview.is_track()) {
_trackview.track()->playlist()->foreach_region (
sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
);
}
// Stack regions by layer, and remove invalid regions
layer_regions();
}
void
AutomationStreamView::setup_rec_box ()
{
}
void
AutomationStreamView::color_handler ()
{
if (_trackview.is_midi_track()) {
canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("midi track base", "midi track base"));
} else {
canvas_rect->set_fill_color (UIConfiguration::instance().color ("midi bus base"));
}
}
AutoState
AutomationStreamView::automation_state () const
{
if (region_views.empty()) {
return _pending_automation_state;
}
boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
if (!line || !line->the_list()) {
return Off;
}
return line->the_list()->automation_state ();
}
bool
AutomationStreamView::has_automation () const
{
list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
if ((*i)->npoints() > 0) {
return true;
}
}
return false;
}
/** Our parent AutomationTimeAxisView calls this when the user requests a particular
* InterpolationStyle; tell the AutomationLists in our regions.
*/
void
AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
{
list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->the_list()->set_interpolation (s);
}
}
AutomationList::InterpolationStyle
AutomationStreamView::interpolation () const
{
if (region_views.empty()) {
return AutomationList::Linear;
}
AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
if (v) {
return v->line()->the_list()->interpolation ();
}
return AutomationList::Linear;
}
/** Clear all automation displayed in this view */
void
AutomationStreamView::clear ()
{
list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->clear ();
}
}
/** @param start Start position in session samples.
* @param end End position in session samples.
* @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
* @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
* NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
* confusing.
*/
void
AutomationStreamView::get_selectables (samplepos_t start, samplepos_t end, double botfrac, double topfrac, list<Selectable*>& results, bool /*within*/)
{
for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
if (arv) {
arv->line()->get_selectables (start, end, botfrac, topfrac, results);
}
}
}
void
AutomationStreamView::set_selected_points (PointSelection& ps)
{
list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->set_selected_points (ps);
}
}
list<boost::shared_ptr<AutomationLine> >
AutomationStreamView::get_lines () const
{
list<boost::shared_ptr<AutomationLine> > lines;
for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
if (arv) {
lines.push_back (arv->line());
}
}
return lines;
}
bool
AutomationStreamView::paste (samplepos_t pos,
unsigned paste_count,
float times,
boost::shared_ptr<ARDOUR::AutomationList> alist)
{
/* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */
if (region_views.empty()) {
return false;
}
region_views.sort (RegionView::PositionOrder());
list<RegionView*>::const_iterator prev = region_views.begin ();
for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
if ((*i)->region()->position() > pos) {
break;
}
prev = i;
}
boost::shared_ptr<Region> r = (*prev)->region ();
/* If *prev doesn't cover pos, it's no good */
if (r->position() > pos || ((r->position() + r->length()) < pos)) {
return false;
}
AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev);
return arv ? arv->paste(pos, paste_count, times, alist) : false;
}