ardour/livetrax
13
0
Fork 0
Code
56795a97a3
livetrax/gtk2_ardour/automation_region_view.cc

344 lines
11 KiB
C++
Raw Blame History

/*
* Copyright (C) 2007-2015 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) 2014-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2017-2019 Robin Gareus <robin@gareus.org>
*
* 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 <utility>
#include "pbd/memento_command.h"
#include "ardour/automation_control.h"
#include "ardour/event_type_map.h"
#include "ardour/midi_automation_list_binder.h"
#include "ardour/midi_region.h"
#include "ardour/midi_track.h"
#include "ardour/session.h"
#include "gtkmm2ext/keyboard.h"
#include "automation_region_view.h"
#include "editing.h"
#include "editor.h"
#include "editor_drag.h"
#include "gui_thread.h"
#include "midi_automation_line.h"
#include "public_editor.h"
#include "ui_config.h"
#include "pbd/i18n.h"
AutomationRegionView::AutomationRegionView (ArdourCanvas::Container* parent,
AutomationTimeAxisView& time_axis,
boost::shared_ptr<ARDOUR::Region> region,
const Evoral::Parameter& param,
boost::shared_ptr<ARDOUR::AutomationList> list,
double spu,
uint32_t basic_color)
: RegionView(parent, time_axis, region, spu, basic_color, true)
, _region_relative_time_converter(region->session().tempo_map(), region->position())
, _source_relative_time_converter(region->session().tempo_map(), region->position() - region->start())
, _parameter(param)
{
TimeAxisViewItem::set_position (_region->position(), this);
if (list) {
assert(list->parameter() == param);
create_line(list);
}
group->raise_to_top();
trackview.editor().MouseModeChanged.connect(_mouse_mode_connection, invalidator (*this),
boost::bind (&AutomationRegionView::mouse_mode_changed, this),
gui_context ());
}
AutomationRegionView::~AutomationRegionView ()
{
in_destructor = true;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
}
void
AutomationRegionView::init (bool /*wfd*/)
{
_enable_display = false;
RegionView::init (false);
reset_width_dependent_items ((double) _region->length() / samples_per_pixel);
set_height (trackview.current_height());
fill_color_name = "midi frame base";
set_colors ();
_enable_display = true;
}
void
AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
{
_line = boost::shared_ptr<AutomationLine> (new MidiAutomationLine(
ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
trackview, *get_canvas_group(), list,
boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region),
_parameter,
&_source_relative_time_converter));
_line->set_colors();
_line->set_height ((uint32_t)rint(trackview.current_height() - 2.5 - NAME_HIGHLIGHT_SIZE));
_line->set_visibility (AutomationLine::VisibleAspects (AutomationLine::Line|AutomationLine::ControlPoints));
_line->set_maximum_time (_region->length());
_line->set_offset (_region->start ());
}
uint32_t
AutomationRegionView::get_fill_color() const
{
const std::string mod_name = (_dragging ? "dragging region" :
trackview.editor().internal_editing() ? "editable region" :
"midi frame base");
if (_selected) {
return UIConfiguration::instance().color_mod ("selected region base", mod_name);
} else if (high_enough_for_name || !UIConfiguration::instance().get_color_regions_using_track_color()) {
return UIConfiguration::instance().color_mod ("midi frame base", mod_name);
}
return UIConfiguration::instance().color_mod (fill_color, mod_name);
}
void
AutomationRegionView::mouse_mode_changed ()
{
/* Adjust frame colour (become more transparent for internal tools) */
set_frame_color();
}
bool
AutomationRegionView::canvas_group_event (GdkEvent* ev)
{
if (in_destructor) {
return false;
}
PublicEditor& e = trackview.editor ();
if (trackview.editor().internal_editing() &&
ev->type == GDK_BUTTON_RELEASE &&
ev->button.button == 1 &&
e.current_mouse_mode() == Editing::MouseDraw &&
!e.drags()->active()) {
double x = ev->button.x;
double y = ev->button.y;
/* convert to item coordinates in the time axis view */
automation_view()->canvas_display()->canvas_to_item (x, y);
/* clamp y */
y = std::max (y, 0.0);
y = std::min (y, _height - NAME_HIGHLIGHT_SIZE);
/* guard points only if primary modifier is used */
bool with_guard_points = Gtkmm2ext::Keyboard::modifier_state_equals (ev->button.state, Gtkmm2ext::Keyboard::PrimaryModifier);
add_automation_event (ev, e.pixel_to_sample (x) - _region->position() + _region->start(), y, with_guard_points);
return true;
}
return RegionView::canvas_group_event (ev);
}
/** @param when Position in samples, where 0 is the start of the region.
* @param y y position, relative to our TimeAxisView.
*/
void
AutomationRegionView::add_automation_event (GdkEvent *, samplepos_t when, double y, bool with_guard_points)
{
boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
boost::shared_ptr<ARDOUR::AutomationControl> ac = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
if (!_line) {
assert(ac);
create_line(ac->alist());
}
assert(_line);
AutomationTimeAxisView* const view = automation_view ();
/* compute vertical fractional position */
y = 1.0 - (y / _line->height());
/* snap sample, prepare conversion to double beats */
double when_d = snap_sample_to_sample (when - _region->start ()).sample + _region->start ();
/* convert 'when' to music-time relative to the region and scale y from interface to internal */
_line->view_to_model_coord (when_d, y);
if (UIConfiguration::instance().get_new_automation_points_on_lane()) {
if (c->list()->size () == 0) {
/* we need the MidiTrack::MidiControl, not the region's (midi model source) control */
boost::shared_ptr<ARDOUR::MidiTrack> mt = boost::dynamic_pointer_cast<ARDOUR::MidiTrack> (view->parent_stripable ());
assert (mt);
boost::shared_ptr<Evoral::Control> mc = mt->control(_parameter);
assert (mc);
y = mc->user_double ();
} else {
y = c->list()->eval (when_d);
}
}
XMLNode& before = _line->the_list()->get_state();
if (_line->the_list()->editor_add (when_d, y, with_guard_points)) {
if (ac->automation_state () == ARDOUR::Off) {
ac->set_automation_state (ARDOUR::Play);
}
if (UIConfiguration::instance().get_automation_edit_cancels_auto_hide () && ac == view->session()->recently_touched_controllable ()) {
RouteTimeAxisView::signal_ctrl_touched (false);
}
view->editor().begin_reversible_command (_("add automation event"));
XMLNode& after = _line->the_list()->get_state();
view->session()->add_command (new MementoCommand<ARDOUR::AutomationList> (_line->memento_command_binder(), &before, &after));
view->editor().commit_reversible_command ();
view->session()->set_dirty ();
}
}
bool
AutomationRegionView::paste (samplepos_t pos,
unsigned paste_count,
float times,
boost::shared_ptr<const ARDOUR::AutomationList> slist)
{
using namespace ARDOUR;
AutomationTimeAxisView* const view = automation_view();
boost::shared_ptr<ARDOUR::AutomationList> my_list = _line->the_list();
if (view->session()->transport_rolling() && my_list->automation_write()) {
/* do not paste if this control is in write mode and we're rolling */
return false;
}
AutomationType src_type = (AutomationType)slist->parameter().type ();
double len = slist->length();
/* add multi-paste offset if applicable */
if (parameter_is_midi (src_type)) {
// convert length to samples (incl tempo-ramps)
len = BeatsSamplesConverter (view->session()->tempo_map(), pos).to (Temporal::Beats::from_double (len * paste_count));
pos += view->editor ().get_paste_offset (pos, paste_count > 0 ? 1 : 0, len);
} else {
pos += view->editor ().get_paste_offset (pos, paste_count, len);
}
/* convert sample-position to model's unit and position */
const double model_pos = _source_relative_time_converter.from (
pos - _source_relative_time_converter.origin_b());
XMLNode& before = my_list->get_state();
my_list->paste(*slist, model_pos, BeatsSamplesConverter (view->session()->tempo_map(), pos));
view->session()->add_command(
new MementoCommand<ARDOUR::AutomationList>(_line->memento_command_binder(), &before, &my_list->get_state()));
return true;
}
void
AutomationRegionView::set_height (double h)
{
RegionView::set_height(h);
if (_line) {
_line->set_height ((uint32_t)rint(h - 2.5 - NAME_HIGHLIGHT_SIZE));
}
}
bool
AutomationRegionView::set_position (samplepos_t pos, void* src, double* ignored)
{
if (_line) {
_line->set_maximum_time (_region->length ());
}
return RegionView::set_position(pos, src, ignored);
}
void
AutomationRegionView::reset_width_dependent_items (double pixel_width)
{
RegionView::reset_width_dependent_items(pixel_width);
if (_line) {
_line->reset();
}
}
void
AutomationRegionView::region_resized (const PBD::PropertyChange& what_changed)
{
RegionView::region_resized (what_changed);
if (what_changed.contains (ARDOUR::Properties::position)) {
_region_relative_time_converter.set_origin_b(_region->position());
}
if (what_changed.contains (ARDOUR::Properties::start) ||
what_changed.contains (ARDOUR::Properties::position)) {
_source_relative_time_converter.set_origin_b (_region->position() - _region->start());
}
if (!_line) {
return;
}
if (what_changed.contains (ARDOUR::Properties::start)) {
_line->set_offset (_region->start ());
}
if (what_changed.contains (ARDOUR::Properties::length)) {
_line->set_maximum_time (_region->length());
}
}
void
AutomationRegionView::entered ()
{
if (_line) {
_line->track_entered();
}
}
void
AutomationRegionView::exited ()
{
if (_line) {
_line->track_exited();
}
}
View Git Blame Copy Permalink