git-svn-id: svn://localhost/ardour2/branches/3.0@7592 d708f5d6-7413-0410-9779-e7cbd77b26cf
1325 lines
32 KiB
C++
1325 lines
32 KiB
C++
/*
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Copyright (C) 2002-2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <cmath>
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#include <climits>
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#include <vector>
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#include <fstream>
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#include "pbd/stl_delete.h"
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#include "pbd/memento_command.h"
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#include "pbd/stacktrace.h"
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#include "ardour/automation_list.h"
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#include "ardour/dB.h"
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#include "evoral/Curve.hpp"
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#include "simplerect.h"
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#include "automation_line.h"
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#include "control_point.h"
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#include "gui_thread.h"
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#include "rgb_macros.h"
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#include "ardour_ui.h"
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#include "public_editor.h"
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#include "utils.h"
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#include "selection.h"
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#include "time_axis_view.h"
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#include "point_selection.h"
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#include "automation_time_axis.h"
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#include "public_editor.h"
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#include "ardour/event_type_map.h"
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#include "ardour/session.h"
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Editing;
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using namespace Gnome; // for Canvas
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static const Evoral::IdentityConverter<double, sframes_t> default_converter;
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AutomationLine::AutomationLine (const string& name, TimeAxisView& tv, ArdourCanvas::Group& parent,
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boost::shared_ptr<AutomationList> al,
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const Evoral::TimeConverter<double, sframes_t>* converter)
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: trackview (tv)
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, _name (name)
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, alist (al)
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, _parent_group (parent)
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, _time_converter (converter ? (*converter) : default_converter)
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{
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points_visible = false;
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update_pending = false;
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_uses_gain_mapping = false;
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no_draw = false;
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_visible = true;
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terminal_points_can_slide = true;
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_height = 0;
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group = new ArdourCanvas::Group (parent);
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group->property_x() = 0.0;
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group->property_y() = 0.0;
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line = new ArdourCanvas::Line (*group);
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line->property_width_pixels() = (guint)1;
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line->set_data ("line", this);
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line->signal_event().connect (sigc::mem_fun (*this, &AutomationLine::event_handler));
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connect_to_list ();
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trackview.session()->register_with_memento_command_factory(alist->id(), this);
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if (alist->parameter().type() == GainAutomation ||
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alist->parameter().type() == EnvelopeAutomation) {
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set_uses_gain_mapping (true);
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}
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interpolation_changed (alist->interpolation ());
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connect_to_list ();
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}
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AutomationLine::~AutomationLine ()
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{
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vector_delete (&control_points);
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delete group;
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}
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bool
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AutomationLine::event_handler (GdkEvent* event)
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{
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return PublicEditor::instance().canvas_line_event (event, line, this);
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}
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void
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AutomationLine::queue_reset ()
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{
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if (!update_pending) {
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update_pending = true;
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Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationLine::reset, this));
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}
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}
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void
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AutomationLine::show ()
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{
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if (alist->interpolation() != AutomationList::Discrete) {
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line->show();
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}
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if (points_visible) {
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for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
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(*i)->show ();
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}
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}
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_visible = true;
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}
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void
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AutomationLine::hide ()
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{
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line->hide();
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for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
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(*i)->hide();
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}
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_visible = false;
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}
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double
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AutomationLine::control_point_box_size ()
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{
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if (alist->interpolation() == AutomationList::Discrete) {
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return max((_height*4.0) / (double)(alist->parameter().max() - alist->parameter().min()),
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4.0);
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}
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if (_height > TimeAxisView::preset_height (HeightLarger)) {
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return 8.0;
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} else if (_height > (guint32) TimeAxisView::preset_height (HeightNormal)) {
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return 6.0;
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}
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return 4.0;
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}
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void
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AutomationLine::set_height (guint32 h)
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{
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if (h != _height) {
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_height = h;
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double bsz = control_point_box_size();
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for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
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(*i)->set_size (bsz);
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}
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reset ();
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}
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}
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void
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AutomationLine::set_line_color (uint32_t color)
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{
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_line_color = color;
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line->property_fill_color_rgba() = color;
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}
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void
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AutomationLine::set_uses_gain_mapping (bool yn)
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{
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if (yn != _uses_gain_mapping) {
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_uses_gain_mapping = yn;
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reset ();
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}
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}
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ControlPoint*
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AutomationLine::nth (uint32_t n)
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{
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if (n < control_points.size()) {
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return control_points[n];
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} else {
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return 0;
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}
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}
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ControlPoint const *
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AutomationLine::nth (uint32_t n) const
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{
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if (n < control_points.size()) {
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return control_points[n];
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} else {
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return 0;
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}
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}
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void
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AutomationLine::modify_point_y (ControlPoint& cp, double y)
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{
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/* clamp y-coord appropriately. y is supposed to be a normalized fraction (0.0-1.0),
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and needs to be converted to a canvas unit distance.
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*/
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y = max (0.0, y);
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y = min (1.0, y);
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y = _height - (y * _height);
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double const x = trackview.editor().frame_to_unit (_time_converter.to((*cp.model())->when));
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trackview.editor().session()->begin_reversible_command (_("automation event move"));
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trackview.editor().session()->add_command (
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new MementoCommand<AutomationList> (memento_command_binder(), &get_state(), 0)
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);
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cp.move_to (x, y, ControlPoint::Full);
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reset_line_coords (cp);
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if (line_points.size() > 1) {
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line->property_points() = line_points;
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}
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alist->freeze ();
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sync_model_with_view_point (cp, false, 0);
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alist->thaw ();
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update_pending = false;
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trackview.editor().session()->add_command (
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new MementoCommand<AutomationList> (memento_command_binder(), 0, &alist->get_state())
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);
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trackview.editor().session()->commit_reversible_command ();
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trackview.editor().session()->set_dirty ();
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}
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void
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AutomationLine::reset_line_coords (ControlPoint& cp)
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{
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if (cp.view_index() < line_points.size()) {
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line_points[cp.view_index()].set_x (cp.get_x());
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line_points[cp.view_index()].set_y (cp.get_y());
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}
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}
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void
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AutomationLine::sync_model_with_view_points (list<ControlPoint*> cp, bool did_push, int64_t distance)
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{
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update_pending = true;
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for (list<ControlPoint*>::iterator i = cp.begin(); i != cp.end(); ++i) {
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sync_model_with_view_point (**i, did_push, distance);
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}
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}
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void
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AutomationLine::model_representation (ControlPoint& cp, ModelRepresentation& mr)
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{
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/* part one: find out where the visual control point is.
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initial results are in canvas units. ask the
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line to convert them to something relevant.
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*/
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mr.xval = cp.get_x();
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mr.yval = 1.0 - (cp.get_y() / _height);
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/* if xval has not changed, set it directly from the model to avoid rounding errors */
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if (mr.xval == trackview.editor().frame_to_unit(_time_converter.to((*cp.model())->when))) {
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mr.xval = (*cp.model())->when;
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} else {
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mr.xval = trackview.editor().unit_to_frame (mr.xval);
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mr.xval = _time_converter.from (mr.xval);
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}
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/* convert y to model units; the x was already done above
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*/
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view_to_model_coord_y (mr.yval);
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/* part 2: find out where the model point is now
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*/
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mr.xpos = (*cp.model())->when;
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mr.ypos = (*cp.model())->value;
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/* part 3: get the position of the visual control
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points before and after us.
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*/
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ControlPoint* before;
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ControlPoint* after;
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if (cp.view_index()) {
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before = nth (cp.view_index() - 1);
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} else {
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before = 0;
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}
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after = nth (cp.view_index() + 1);
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if (before) {
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mr.xmin = (*before->model())->when;
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mr.ymin = (*before->model())->value;
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mr.start = before->model();
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++mr.start;
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} else {
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mr.xmin = mr.xpos;
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mr.ymin = mr.ypos;
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mr.start = cp.model();
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}
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if (after) {
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mr.end = after->model();
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} else {
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mr.xmax = mr.xpos;
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mr.ymax = mr.ypos;
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mr.end = cp.model();
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++mr.end;
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}
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}
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void
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AutomationLine::determine_visible_control_points (ALPoints& points)
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{
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uint32_t view_index, pi, n;
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AutomationList::iterator model;
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uint32_t npoints;
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uint32_t this_rx = 0;
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uint32_t prev_rx = 0;
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uint32_t this_ry = 0;
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uint32_t prev_ry = 0;
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double* slope;
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uint32_t box_size;
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/* hide all existing points, and the line */
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for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
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(*i)->hide();
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}
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line->hide ();
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if (points.empty()) {
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return;
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}
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npoints = points.size();
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/* compute derivative/slope for the entire line */
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slope = new double[npoints];
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for (n = 0; n < npoints - 1; ++n) {
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double xdelta = points[n+1].x - points[n].x;
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double ydelta = points[n+1].y - points[n].y;
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slope[n] = ydelta/xdelta;
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}
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box_size = (uint32_t) control_point_box_size ();
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/* read all points and decide which ones to show as control points */
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view_index = 0;
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for (model = alist->begin(), pi = 0; pi < npoints; ++model, ++pi) {
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double tx = points[pi].x;
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double ty = points[pi].y;
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if (find (_always_in_view.begin(), _always_in_view.end(), (*model)->when) != _always_in_view.end()) {
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add_visible_control_point (view_index, pi, tx, ty, model, npoints);
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prev_rx = this_rx;
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prev_ry = this_ry;
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++view_index;
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continue;
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}
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if (isnan (tx) || isnan (ty)) {
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warning << string_compose (_("Ignoring illegal points on AutomationLine \"%1\""),
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_name) << endmsg;
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continue;
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}
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/* now ensure that the control_points vector reflects the current curve
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state, but don't plot control points too close together. also, don't
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plot a series of points all with the same value.
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always plot the first and last points, of course.
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*/
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if (invalid_point (points, pi)) {
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/* for some reason, we are supposed to ignore this point,
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but still keep track of the model index.
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*/
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continue;
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}
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if (pi > 0 && pi < npoints - 1) {
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if (slope[pi] == slope[pi-1]) {
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/* no reason to display this point */
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continue;
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}
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}
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/* need to round here. the ultimate coordinates are integer
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pixels, so tiny deltas in the coords will be eliminated
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and we end up with "colinear" line segments. since the
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line rendering code in libart doesn't like this very
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much, we eliminate them here. don't do this for the first and last
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points.
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*/
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this_rx = (uint32_t) rint (tx);
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this_ry = (uint32_t) rint (ty);
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if (view_index && pi != npoints && /* not the first, not the last */
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(((this_rx == prev_rx) && (this_ry == prev_ry)) || /* same point */
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(((this_rx - prev_rx) < (box_size + 2)) && /* not identical, but still too close horizontally */
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(abs ((int)(this_ry - prev_ry)) < (int) (box_size + 2))))) { /* too close vertically */
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continue;
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}
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/* ok, we should display this point */
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add_visible_control_point (view_index, pi, tx, ty, model, npoints);
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prev_rx = this_rx;
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prev_ry = this_ry;
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view_index++;
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}
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/* discard extra CP's to avoid confusing ourselves */
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while (control_points.size() > view_index) {
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ControlPoint* cp = control_points.back();
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control_points.pop_back ();
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delete cp;
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}
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if (!terminal_points_can_slide) {
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control_points.back()->set_can_slide(false);
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}
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delete [] slope;
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if (view_index > 1) {
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npoints = view_index;
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/* reset the line coordinates */
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while (line_points.size() < npoints) {
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line_points.push_back (Art::Point (0,0));
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}
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while (line_points.size() > npoints) {
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line_points.pop_back ();
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}
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for (view_index = 0; view_index < npoints; ++view_index) {
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line_points[view_index].set_x (control_points[view_index]->get_x());
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line_points[view_index].set_y (control_points[view_index]->get_y());
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}
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line->property_points() = line_points;
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if (_visible && alist->interpolation() != AutomationList::Discrete) {
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line->show();
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}
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}
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set_selected_points (trackview.editor().get_selection().points);
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}
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string
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AutomationLine::get_verbose_cursor_string (double fraction) const
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{
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std::string s = fraction_to_string (fraction);
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if (_uses_gain_mapping) {
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s += " dB";
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}
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return s;
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}
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/**
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* @param fraction y fraction
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* @return string representation of this value, using dB if appropriate.
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*/
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string
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AutomationLine::fraction_to_string (double fraction) const
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{
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char buf[32];
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if (_uses_gain_mapping) {
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if (fraction == 0.0) {
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snprintf (buf, sizeof (buf), "-inf");
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} else {
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snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain (fraction)));
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}
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} else {
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double dummy = 0.0;
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view_to_model_coord (dummy, fraction);
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if (EventTypeMap::instance().is_integer (alist->parameter())) {
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snprintf (buf, sizeof (buf), "%d", (int)fraction);
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} else {
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snprintf (buf, sizeof (buf), "%.2f", fraction);
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}
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}
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return buf;
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}
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/**
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* @param s Value string in the form as returned by fraction_to_string.
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* @return Corresponding y fraction.
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*/
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double
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AutomationLine::string_to_fraction (string const & s) const
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{
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if (s == "-inf") {
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return 0;
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}
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double v;
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sscanf (s.c_str(), "%lf", &v);
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if (_uses_gain_mapping) {
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v = gain_to_slider_position (dB_to_coefficient (v));
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} else {
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double dummy = 0.0;
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model_to_view_coord (dummy, v);
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}
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return v;
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}
|
|
|
|
bool
|
|
AutomationLine::invalid_point (ALPoints& p, uint32_t index)
|
|
{
|
|
return p[index].x == max_frames && p[index].y == DBL_MAX;
|
|
}
|
|
|
|
void
|
|
AutomationLine::invalidate_point (ALPoints& p, uint32_t index)
|
|
{
|
|
p[index].x = max_frames;
|
|
p[index].y = DBL_MAX;
|
|
}
|
|
|
|
/** Start dragging a single point, possibly adding others if the supplied point is selected and there
|
|
* are other selected points.
|
|
*
|
|
* @param cp Point to drag.
|
|
* @param x Initial x position (units).
|
|
* @param fraction Initial y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
|
|
*/
|
|
void
|
|
AutomationLine::start_drag_single (ControlPoint* cp, double x, float fraction)
|
|
{
|
|
trackview.editor().session()->begin_reversible_command (_("automation event move"));
|
|
trackview.editor().session()->add_command (
|
|
new MementoCommand<AutomationList> (memento_command_binder(), &get_state(), 0)
|
|
);
|
|
|
|
_drag_points.clear ();
|
|
_drag_points.push_back (cp);
|
|
|
|
if (cp->get_selected ()) {
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
if (*i != cp && (*i)->get_selected()) {
|
|
_drag_points.push_back (*i);
|
|
}
|
|
}
|
|
}
|
|
|
|
start_drag_common (x, fraction);
|
|
}
|
|
|
|
/** Start dragging a line vertically (with no change in x)
|
|
* @param i1 Control point index of the `left' point on the line.
|
|
* @param i2 Control point index of the `right' point on the line.
|
|
* @param fraction Initial y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
|
|
*/
|
|
void
|
|
AutomationLine::start_drag_line (uint32_t i1, uint32_t i2, float fraction)
|
|
{
|
|
trackview.editor().session()->begin_reversible_command (_("automation range move"));
|
|
trackview.editor().session()->add_command (
|
|
new MementoCommand<AutomationList> (memento_command_binder (), &get_state(), 0)
|
|
);
|
|
|
|
_drag_points.clear ();
|
|
for (uint32_t i = i1; i <= i2; i++) {
|
|
_drag_points.push_back (nth (i));
|
|
}
|
|
|
|
start_drag_common (0, fraction);
|
|
}
|
|
|
|
/** Start dragging multiple points (with no change in x)
|
|
* @param cp Points to drag.
|
|
* @param fraction Initial y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
|
|
*/
|
|
void
|
|
AutomationLine::start_drag_multiple (list<ControlPoint*> cp, float fraction, XMLNode* state)
|
|
{
|
|
trackview.editor().session()->begin_reversible_command (_("automation range move"));
|
|
trackview.editor().session()->add_command (
|
|
new MementoCommand<AutomationList> (memento_command_binder(), state, 0)
|
|
);
|
|
|
|
_drag_points = cp;
|
|
start_drag_common (0, fraction);
|
|
}
|
|
|
|
|
|
struct ControlPointSorter
|
|
{
|
|
bool operator() (ControlPoint const * a, ControlPoint const * b) {
|
|
return a->get_x() < b->get_x();
|
|
}
|
|
};
|
|
|
|
/** Common parts of starting a drag.
|
|
* @param x Starting x position in units, or 0 if x is being ignored.
|
|
* @param fraction Starting y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
|
|
*/
|
|
void
|
|
AutomationLine::start_drag_common (double x, float fraction)
|
|
{
|
|
_drag_x = x;
|
|
_drag_distance = 0;
|
|
_last_drag_fraction = fraction;
|
|
_drag_had_movement = false;
|
|
did_push = false;
|
|
|
|
_drag_points.sort (ControlPointSorter ());
|
|
|
|
/* find the additional points that will be dragged when the user is holding
|
|
the "push" modifier
|
|
*/
|
|
|
|
uint32_t i = _drag_points.back()->view_index () + 1;
|
|
ControlPoint* p = 0;
|
|
_push_points.clear ();
|
|
while ((p = nth (i)) != 0 && p->can_slide()) {
|
|
_push_points.push_back (p);
|
|
++i;
|
|
}
|
|
}
|
|
|
|
/** Should be called to indicate motion during a drag.
|
|
* @param x New x position of the drag in units, or undefined if ignore_x == true.
|
|
* @param fraction New y fraction.
|
|
* @return x position and y fraction that were actually used (once clamped).
|
|
*/
|
|
pair<double, float>
|
|
AutomationLine::drag_motion (double x, float fraction, bool ignore_x, bool with_push)
|
|
{
|
|
/* setup the points that are to be moved this time round */
|
|
list<ControlPoint*> points = _drag_points;
|
|
if (with_push) {
|
|
copy (_push_points.begin(), _push_points.end(), back_inserter (points));
|
|
points.sort (ControlPointSorter ());
|
|
}
|
|
|
|
double dx = ignore_x ? 0 : (x - _drag_x);
|
|
double dy = fraction - _last_drag_fraction;
|
|
|
|
/* find x limits */
|
|
ControlPoint* before = 0;
|
|
ControlPoint* after = 0;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
if ((*i)->get_x() < points.front()->get_x()) {
|
|
before = *i;
|
|
}
|
|
if ((*i)->get_x() > points.back()->get_x() && after == 0) {
|
|
after = *i;
|
|
}
|
|
}
|
|
|
|
double const before_x = before ? before->get_x() : 0;
|
|
double const after_x = after ? after->get_x() : DBL_MAX;
|
|
|
|
/* clamp x */
|
|
for (list<ControlPoint*>::iterator i = points.begin(); i != points.end(); ++i) {
|
|
|
|
if ((*i)->can_slide() && !ignore_x) {
|
|
|
|
/* clamp min x */
|
|
double const a = (*i)->get_x() + dx;
|
|
double const b = before_x + 1;
|
|
if (a < b) {
|
|
dx += b - a;
|
|
}
|
|
|
|
/* clamp max x */
|
|
if (after) {
|
|
|
|
if (after_x - before_x < 2) {
|
|
/* after and before are very close, so just leave this alone */
|
|
dx = 0;
|
|
} else {
|
|
double const a = (*i)->get_x() + dx;
|
|
double const b = after_x - 1;
|
|
if (a > b) {
|
|
dx -= a - b;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* clamp y */
|
|
for (list<ControlPoint*>::iterator i = points.begin(); i != points.end(); ++i) {
|
|
double const y = ((_height - (*i)->get_y()) / _height) + dy;
|
|
if (y < 0) {
|
|
dy -= y;
|
|
}
|
|
if (y > 1) {
|
|
dy -= (y - 1);
|
|
}
|
|
}
|
|
|
|
pair<double, float> const clamped (_drag_x + dx, _last_drag_fraction + dy);
|
|
_drag_distance += dx;
|
|
_drag_x = x;
|
|
_last_drag_fraction = fraction;
|
|
|
|
for (list<ControlPoint*>::iterator i = _drag_points.begin(); i != _drag_points.end(); ++i) {
|
|
(*i)->move_to ((*i)->get_x() + dx, (*i)->get_y() - _height * dy, ControlPoint::Full);
|
|
reset_line_coords (**i);
|
|
}
|
|
|
|
if (with_push) {
|
|
/* move push points, preserving their y */
|
|
for (list<ControlPoint*>::iterator i = _push_points.begin(); i != _push_points.end(); ++i) {
|
|
(*i)->move_to ((*i)->get_x() + dx, (*i)->get_y(), ControlPoint::Full);
|
|
reset_line_coords (**i);
|
|
}
|
|
}
|
|
|
|
if (line_points.size() > 1) {
|
|
line->property_points() = line_points;
|
|
}
|
|
|
|
_drag_had_movement = true;
|
|
did_push = with_push;
|
|
|
|
return clamped;
|
|
}
|
|
|
|
/** Should be called to indicate the end of a drag */
|
|
void
|
|
AutomationLine::end_drag ()
|
|
{
|
|
if (!_drag_had_movement) {
|
|
return;
|
|
}
|
|
|
|
alist->freeze ();
|
|
|
|
/* set up the points that were moved this time round */
|
|
list<ControlPoint*> points = _drag_points;
|
|
if (did_push) {
|
|
copy (_push_points.begin(), _push_points.end(), back_inserter (points));
|
|
points.sort (ControlPointSorter ());
|
|
}
|
|
|
|
sync_model_with_view_points (points, did_push, rint (_drag_distance * trackview.editor().get_current_zoom ()));
|
|
|
|
alist->thaw ();
|
|
|
|
update_pending = false;
|
|
|
|
trackview.editor().session()->add_command (
|
|
new MementoCommand<AutomationList>(memento_command_binder (), 0, &alist->get_state())
|
|
);
|
|
|
|
trackview.editor().session()->commit_reversible_command ();
|
|
trackview.editor().session()->set_dirty ();
|
|
}
|
|
|
|
void
|
|
AutomationLine::sync_model_with_view_point (ControlPoint& cp, bool did_push, int64_t distance)
|
|
{
|
|
ModelRepresentation mr;
|
|
double ydelta;
|
|
|
|
model_representation (cp, mr);
|
|
|
|
/* how much are we changing the central point by */
|
|
|
|
ydelta = mr.yval - mr.ypos;
|
|
|
|
/*
|
|
apply the full change to the central point, and interpolate
|
|
on both axes to cover all model points represented
|
|
by the control point.
|
|
*/
|
|
|
|
/* change all points before the primary point */
|
|
|
|
for (AutomationList::iterator i = mr.start; i != cp.model(); ++i) {
|
|
|
|
double fract = ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
|
|
double y_delta = ydelta * fract;
|
|
double x_delta = distance * fract;
|
|
|
|
/* interpolate */
|
|
|
|
if (y_delta || x_delta) {
|
|
alist->modify (i, (*i)->when + x_delta, mr.ymin + y_delta);
|
|
}
|
|
}
|
|
|
|
/* change the primary point */
|
|
|
|
update_pending = true;
|
|
alist->modify (cp.model(), mr.xval, mr.yval);
|
|
|
|
/* change later points */
|
|
|
|
AutomationList::iterator i = cp.model();
|
|
|
|
++i;
|
|
|
|
while (i != mr.end) {
|
|
|
|
double delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
|
|
|
|
/* all later points move by the same distance along the x-axis as the main point */
|
|
|
|
if (delta) {
|
|
alist->modify (i, (*i)->when + distance, (*i)->value + delta);
|
|
}
|
|
|
|
++i;
|
|
}
|
|
|
|
if (did_push) {
|
|
|
|
/* move all points after the range represented by the view by the same distance
|
|
as the main point moved.
|
|
*/
|
|
|
|
alist->slide (mr.end, distance);
|
|
}
|
|
}
|
|
|
|
bool
|
|
AutomationLine::control_points_adjacent (double xval, uint32_t & before, uint32_t& after)
|
|
{
|
|
ControlPoint *bcp = 0;
|
|
ControlPoint *acp = 0;
|
|
double unit_xval;
|
|
|
|
unit_xval = trackview.editor().frame_to_unit (xval);
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
|
|
if ((*i)->get_x() <= unit_xval) {
|
|
|
|
if (!bcp || (*i)->get_x() > bcp->get_x()) {
|
|
bcp = *i;
|
|
before = bcp->view_index();
|
|
}
|
|
|
|
} else if ((*i)->get_x() > unit_xval) {
|
|
acp = *i;
|
|
after = acp->view_index();
|
|
break;
|
|
}
|
|
}
|
|
|
|
return bcp && acp;
|
|
}
|
|
|
|
bool
|
|
AutomationLine::is_last_point (ControlPoint& cp)
|
|
{
|
|
ModelRepresentation mr;
|
|
|
|
model_representation (cp, mr);
|
|
|
|
// If the list is not empty, and the point is the last point in the list
|
|
|
|
if (!alist->empty() && mr.end == alist->end()) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
AutomationLine::is_first_point (ControlPoint& cp)
|
|
{
|
|
ModelRepresentation mr;
|
|
|
|
model_representation (cp, mr);
|
|
|
|
// If the list is not empty, and the point is the first point in the list
|
|
|
|
if (!alist->empty() && mr.start == alist->begin()) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// This is copied into AudioRegionGainLine
|
|
void
|
|
AutomationLine::remove_point (ControlPoint& cp)
|
|
{
|
|
ModelRepresentation mr;
|
|
|
|
model_representation (cp, mr);
|
|
|
|
trackview.editor().session()->begin_reversible_command (_("remove control point"));
|
|
XMLNode &before = alist->get_state();
|
|
|
|
alist->erase (mr.start, mr.end);
|
|
|
|
trackview.editor().session()->add_command(
|
|
new MementoCommand<AutomationList> (memento_command_binder (), &before, &alist->get_state())
|
|
);
|
|
|
|
trackview.editor().session()->commit_reversible_command ();
|
|
trackview.editor().session()->set_dirty ();
|
|
}
|
|
|
|
/** Get selectable points within an area.
|
|
* @param start Start position in session frames.
|
|
* @param end End position in session frames.
|
|
* @param bot Bottom y range, as a fraction of line height, where 0 is the bottom of the line.
|
|
* @param top Top y range, as a fraction of line height, where 0 is the bottom of the line.
|
|
* @param result Filled in with selectable things; in this case, ControlPoints.
|
|
*/
|
|
void
|
|
AutomationLine::get_selectables (
|
|
framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results
|
|
)
|
|
{
|
|
/* convert fractions to display coordinates with 0 at the top of the track */
|
|
double const bot_track = (1 - topfrac) * trackview.current_height ();
|
|
double const top_track = (1 - botfrac) * trackview.current_height ();
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
double const model_when = (*(*i)->model())->when;
|
|
framepos_t const session_frames_when = _time_converter.to (model_when) + _time_converter.origin_b ();
|
|
|
|
if (session_frames_when >= start && session_frames_when <= end && (*i)->get_y() >= bot_track && (*i)->get_y() <= top_track) {
|
|
results.push_back (*i);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& /*results*/)
|
|
{
|
|
// hmmm ....
|
|
}
|
|
|
|
/** Take a PointSelection and find ControlPoints that fall within it */
|
|
list<ControlPoint*>
|
|
AutomationLine::point_selection_to_control_points (PointSelection const & s)
|
|
{
|
|
list<ControlPoint*> cp;
|
|
|
|
for (PointSelection::const_iterator i = s.begin(); i != s.end(); ++i) {
|
|
|
|
if (i->track != &trackview) {
|
|
continue;
|
|
}
|
|
|
|
double const bot = (1 - i->high_fract) * trackview.current_height ();
|
|
double const top = (1 - i->low_fract) * trackview.current_height ();
|
|
|
|
for (vector<ControlPoint*>::iterator j = control_points.begin(); j != control_points.end(); ++j) {
|
|
|
|
double const rstart = trackview.editor().frame_to_unit (_time_converter.to (i->start));
|
|
double const rend = trackview.editor().frame_to_unit (_time_converter.to (i->end));
|
|
|
|
if ((*j)->get_x() >= rstart && (*j)->get_x() <= rend) {
|
|
if ((*j)->get_y() >= bot && (*j)->get_y() <= top) {
|
|
cp.push_back (*j);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return cp;
|
|
}
|
|
|
|
void
|
|
AutomationLine::set_selected_points (PointSelection& points)
|
|
{
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
(*i)->set_selected (false);
|
|
}
|
|
|
|
if (!points.empty()) {
|
|
list<ControlPoint*> cp = point_selection_to_control_points (points);
|
|
for (list<ControlPoint*>::iterator i = cp.begin(); i != cp.end(); ++i) {
|
|
(*i)->set_selected (true);
|
|
}
|
|
}
|
|
|
|
set_colors ();
|
|
}
|
|
|
|
void AutomationLine::set_colors ()
|
|
{
|
|
set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
(*i)->set_color ();
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::list_changed ()
|
|
{
|
|
queue_reset ();
|
|
}
|
|
|
|
void
|
|
AutomationLine::reset_callback (const Evoral::ControlList& events)
|
|
{
|
|
ALPoints tmp_points;
|
|
uint32_t npoints = events.size();
|
|
|
|
if (npoints == 0) {
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
delete *i;
|
|
}
|
|
control_points.clear ();
|
|
line->hide();
|
|
return;
|
|
}
|
|
|
|
AutomationList::const_iterator ai;
|
|
|
|
for (ai = events.begin(); ai != events.end(); ++ai) {
|
|
|
|
double translated_x = (*ai)->when;
|
|
double translated_y = (*ai)->value;
|
|
model_to_view_coord (translated_x, translated_y);
|
|
|
|
add_model_point (tmp_points, (*ai)->when, translated_y);
|
|
}
|
|
|
|
determine_visible_control_points (tmp_points);
|
|
}
|
|
|
|
|
|
void
|
|
AutomationLine::add_model_point (ALPoints& tmp_points, double frame, double yfract)
|
|
{
|
|
tmp_points.push_back (ALPoint (trackview.editor().frame_to_unit (_time_converter.to(frame)),
|
|
_height - (yfract * _height)));
|
|
}
|
|
|
|
void
|
|
AutomationLine::reset ()
|
|
{
|
|
update_pending = false;
|
|
|
|
if (no_draw) {
|
|
return;
|
|
}
|
|
|
|
alist->apply_to_points (*this, &AutomationLine::reset_callback);
|
|
}
|
|
|
|
void
|
|
AutomationLine::clear ()
|
|
{
|
|
/* parent must create and commit command */
|
|
XMLNode &before = alist->get_state();
|
|
alist->clear();
|
|
|
|
trackview.editor().session()->add_command (
|
|
new MementoCommand<AutomationList> (memento_command_binder (), &before, &alist->get_state())
|
|
);
|
|
}
|
|
|
|
void
|
|
AutomationLine::change_model (AutomationList::iterator /*i*/, double /*x*/, double /*y*/)
|
|
{
|
|
}
|
|
|
|
void
|
|
AutomationLine::set_list (boost::shared_ptr<ARDOUR::AutomationList> list)
|
|
{
|
|
alist = list;
|
|
queue_reset ();
|
|
connect_to_list ();
|
|
}
|
|
|
|
void
|
|
AutomationLine::show_all_control_points ()
|
|
{
|
|
points_visible = true;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
if (!(*i)->visible()) {
|
|
(*i)->show ();
|
|
(*i)->set_visible (true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::hide_all_but_selected_control_points ()
|
|
{
|
|
if (alist->interpolation() == AutomationList::Discrete) {
|
|
return;
|
|
}
|
|
|
|
points_visible = false;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
if (!(*i)->get_selected()) {
|
|
(*i)->set_visible (false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::track_entered()
|
|
{
|
|
if (alist->interpolation() != AutomationList::Discrete) {
|
|
show_all_control_points();
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::track_exited()
|
|
{
|
|
if (alist->interpolation() != AutomationList::Discrete) {
|
|
hide_all_but_selected_control_points();
|
|
}
|
|
}
|
|
|
|
XMLNode &
|
|
AutomationLine::get_state (void)
|
|
{
|
|
/* function as a proxy for the model */
|
|
return alist->get_state();
|
|
}
|
|
|
|
int
|
|
AutomationLine::set_state (const XMLNode &node, int version)
|
|
{
|
|
/* function as a proxy for the model */
|
|
return alist->set_state (node, version);
|
|
}
|
|
|
|
void
|
|
AutomationLine::view_to_model_coord (double& x, double& y) const
|
|
{
|
|
x = _time_converter.from (x);
|
|
view_to_model_coord_y (y);
|
|
}
|
|
|
|
void
|
|
AutomationLine::view_to_model_coord_y (double& y) const
|
|
{
|
|
/* TODO: This should be more generic ... */
|
|
if (alist->parameter().type() == GainAutomation ||
|
|
alist->parameter().type() == EnvelopeAutomation) {
|
|
y = slider_position_to_gain (y);
|
|
y = max (0.0, y);
|
|
y = min (2.0, y);
|
|
} else if (alist->parameter().type() == PanAutomation) {
|
|
// vertical coordinate axis reversal
|
|
y = 1.0 - y;
|
|
} else if (alist->parameter().type() == PluginAutomation) {
|
|
y = y * (double)(alist->get_max_y()- alist->get_min_y()) + alist->get_min_y();
|
|
} else {
|
|
y = (int)(y * alist->parameter().max());
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::model_to_view_coord (double& x, double& y) const
|
|
{
|
|
/* TODO: This should be more generic ... */
|
|
if (alist->parameter().type() == GainAutomation ||
|
|
alist->parameter().type() == EnvelopeAutomation) {
|
|
y = gain_to_slider_position (y);
|
|
} else if (alist->parameter().type() == PanAutomation) {
|
|
// vertical coordinate axis reversal
|
|
y = 1.0 - y;
|
|
} else if (alist->parameter().type() == PluginAutomation) {
|
|
y = (y - alist->get_min_y()) / (double)(alist->get_max_y()- alist->get_min_y());
|
|
} else {
|
|
y = y / (double)alist->parameter().max(); /* ... like this */
|
|
}
|
|
|
|
x = _time_converter.to(x);
|
|
}
|
|
|
|
/** Called when our list has announced that its interpolation style has changed */
|
|
void
|
|
AutomationLine::interpolation_changed (AutomationList::InterpolationStyle style)
|
|
{
|
|
if (style == AutomationList::Discrete) {
|
|
show_all_control_points();
|
|
line->hide();
|
|
} else {
|
|
hide_all_but_selected_control_points();
|
|
line->show();
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::add_visible_control_point (uint32_t view_index, uint32_t pi, double tx, double ty, AutomationList::iterator model, uint32_t npoints)
|
|
{
|
|
if (view_index >= control_points.size()) {
|
|
|
|
/* make sure we have enough control points */
|
|
|
|
ControlPoint* ncp = new ControlPoint (*this);
|
|
ncp->set_size (control_point_box_size ());
|
|
|
|
control_points.push_back (ncp);
|
|
}
|
|
|
|
ControlPoint::ShapeType shape;
|
|
|
|
if (!terminal_points_can_slide) {
|
|
if (pi == 0) {
|
|
control_points[view_index]->set_can_slide(false);
|
|
if (tx == 0) {
|
|
shape = ControlPoint::Start;
|
|
} else {
|
|
shape = ControlPoint::Full;
|
|
}
|
|
} else if (pi == npoints - 1) {
|
|
control_points[view_index]->set_can_slide(false);
|
|
shape = ControlPoint::End;
|
|
} else {
|
|
control_points[view_index]->set_can_slide(true);
|
|
shape = ControlPoint::Full;
|
|
}
|
|
} else {
|
|
control_points[view_index]->set_can_slide(true);
|
|
shape = ControlPoint::Full;
|
|
}
|
|
|
|
control_points[view_index]->reset (tx, ty, model, view_index, shape);
|
|
|
|
/* finally, control visibility */
|
|
|
|
if (_visible && points_visible) {
|
|
control_points[view_index]->show ();
|
|
control_points[view_index]->set_visible (true);
|
|
} else {
|
|
if (!points_visible) {
|
|
control_points[view_index]->set_visible (false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::add_always_in_view (double x)
|
|
{
|
|
_always_in_view.push_back (x);
|
|
alist->apply_to_points (*this, &AutomationLine::reset_callback);
|
|
}
|
|
|
|
void
|
|
AutomationLine::clear_always_in_view ()
|
|
{
|
|
_always_in_view.clear ();
|
|
alist->apply_to_points (*this, &AutomationLine::reset_callback);
|
|
}
|
|
|
|
void
|
|
AutomationLine::connect_to_list ()
|
|
{
|
|
_list_connections.drop_connections ();
|
|
|
|
alist->StateChanged.connect (_list_connections, invalidator (*this), boost::bind (&AutomationLine::list_changed, this), gui_context());
|
|
|
|
alist->InterpolationChanged.connect (
|
|
_list_connections, invalidator (*this), boost::bind (&AutomationLine::interpolation_changed, this, _1), gui_context()
|
|
);
|
|
}
|
|
|
|
MementoCommandBinder<AutomationList>*
|
|
AutomationLine::memento_command_binder ()
|
|
{
|
|
return new SimpleMementoCommandBinder<AutomationList> (*alist.get());
|
|
}
|