Paul Davis
2bf3ed423f
git-svn-id: svn://localhost/ardour2/trunk@1134 d708f5d6-7413-0410-9779-e7cbd77b26cf
1287 lines
27 KiB
C++
1287 lines
27 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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$Id$
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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 <pbd/stl_delete.h>
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#include <pbd/memento_command.h>
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#include <ardour/automation_event.h>
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#include <ardour/curve.h>
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#include <ardour/dB.h>
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#include "simplerect.h"
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#include "automation_line.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_selectable.h"
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#include "automation_time_axis.h"
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#include "public_editor.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 sigc;
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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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ControlPoint::ControlPoint (AutomationLine& al)
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: line (al)
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{
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model = al.the_list().end();
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view_index = 0;
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can_slide = true;
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_x = 0;
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_y = 0;
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_shape = Full;
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_size = 4.0;
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selected = false;
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item = new Canvas::SimpleRect (line.canvas_group());
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item->property_draw() = true;
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item->property_fill() = false;
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item->property_fill_color_rgba() = color_map[cControlPointFill];
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item->property_outline_color_rgba() = color_map[cControlPointOutline];
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item->property_outline_pixels() = 1;
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item->set_data ("control_point", this);
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item->signal_event().connect (mem_fun (this, &ControlPoint::event_handler));
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hide ();
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set_visible (false);
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}
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ControlPoint::ControlPoint (const ControlPoint& other, bool dummy_arg_to_force_special_copy_constructor)
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: line (other.line)
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{
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if (&other == this) {
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return;
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}
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model = other.model;
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view_index = other.view_index;
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can_slide = other.can_slide;
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_x = other._x;
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_y = other._y;
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_shape = other._shape;
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_size = other._size;
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selected = false;
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item = new Canvas::SimpleRect (line.canvas_group());
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item->property_fill() = false;
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item->property_outline_color_rgba() = color_map[cEnteredControlPointOutline];
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item->property_outline_pixels() = 1;
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/* NOTE: no event handling in copied ControlPoints */
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hide ();
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set_visible (false);
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}
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ControlPoint::~ControlPoint ()
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{
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delete item;
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}
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bool
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ControlPoint::event_handler (GdkEvent* event)
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{
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return PublicEditor::instance().canvas_control_point_event (event, item, this);
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}
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void
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ControlPoint::hide ()
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{
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item->hide();
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}
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void
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ControlPoint::show()
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{
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item->show();
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}
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void
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ControlPoint::set_visible (bool yn)
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{
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item->property_draw() = (gboolean) yn;
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}
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void
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ControlPoint::reset (double x, double y, AutomationList::iterator mi, uint32_t vi, ShapeType shape)
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{
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model = mi;
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view_index = vi;
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move_to (x, y, shape);
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}
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void
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ControlPoint::show_color (bool entered, bool hide_too)
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{
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if (entered) {
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if (selected) {
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item->property_outline_color_rgba() = color_map[cEnteredControlPointSelected];
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set_visible(true);
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} else {
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item->property_outline_color_rgba() = color_map[cEnteredControlPoint];
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if (hide_too) {
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set_visible(false);
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}
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}
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} else {
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if (selected) {
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item->property_outline_color_rgba() = color_map[cControlPointSelected];
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set_visible(true);
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} else {
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item->property_outline_color_rgba() = color_map[cControlPoint];
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if (hide_too) {
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set_visible(false);
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}
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}
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}
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}
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void
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ControlPoint::set_size (double sz)
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{
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_size = sz;
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#if 0
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if (_size > 6.0) {
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item->property_fill() = (gboolean) TRUE;
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} else {
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item->property_fill() = (gboolean) FALSE;
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}
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#endif
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move_to (_x, _y, _shape);
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}
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void
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ControlPoint::move_to (double x, double y, ShapeType shape)
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{
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double x1 = 0;
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double x2 = 0;
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double half_size = rint(_size/2.0);
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switch (shape) {
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case Full:
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x1 = x - half_size;
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x2 = x + half_size;
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break;
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case Start:
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x1 = x;
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x2 = x + half_size;
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break;
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case End:
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x1 = x - half_size;
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x2 = x;
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break;
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}
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item->property_x1() = x1;
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item->property_x2() = x2;
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item->property_y1() = y - half_size;
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item->property_y2() = y + half_size;
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_x = x;
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_y = y;
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_shape = shape;
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}
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/*****/
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AutomationLine::AutomationLine (const string & name, TimeAxisView& tv, ArdourCanvas::Group& parent, AutomationList& al)
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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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{
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points_visible = false;
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update_pending = false;
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_vc_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 (mem_fun (*this, &AutomationLine::event_handler));
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alist.StateChanged.connect (mem_fun(*this, &AutomationLine::list_changed));
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trackview.session().register_with_memento_command_factory(alist.id(), this);
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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 (mem_fun(*this, &AutomationLine::reset));
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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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line->show();
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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 (_height > TimeAxisView::hLarger) {
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return 8.0;
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} else if (_height > (guint32) TimeAxisView::hNormal) {
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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_verbose_cursor_uses_gain_mapping (bool yn)
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{
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if (yn != _vc_uses_gain_mapping) {
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_vc_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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void
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AutomationLine::modify_view (ControlPoint& cp, double x, double y, bool with_push)
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{
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modify_view_point (cp, x, y, with_push);
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update_line ();
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}
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void
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AutomationLine::modify_view_point (ControlPoint& cp, double x, double y, bool with_push)
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{
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double delta = 0.0;
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uint32_t last_movable = UINT_MAX;
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double x_limit = DBL_MAX;
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/* this just changes the current view. it does not alter
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the model in any way at all.
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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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if (cp.can_slide) {
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/* x-coord cannot move beyond adjacent points or the start/end, and is
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already in frames. it needs to be converted to canvas units.
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*/
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x = trackview.editor.frame_to_unit (x);
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/* clamp x position using view coordinates */
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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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x = max (x, before->get_x()+1.0);
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} else {
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before = &cp;
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}
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if (!with_push) {
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if (cp.view_index < control_points.size() - 1) {
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after = nth (cp.view_index + 1);
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/*if it is a "spike" leave the x alone */
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if (after->get_x() - before->get_x() < 2) {
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x = cp.get_x();
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} else {
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x = min (x, after->get_x()-1.0);
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}
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} else {
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after = &cp;
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}
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} else {
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ControlPoint* after;
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/* find the first point that can't move */
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for (uint32_t n = cp.view_index + 1; (after = nth (n)) != 0; ++n) {
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if (!after->can_slide) {
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x_limit = after->get_x() - 1.0;
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last_movable = after->view_index;
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break;
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}
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}
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delta = x - cp.get_x();
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}
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} else {
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/* leave the x-coordinate alone */
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x = trackview.editor.frame_to_unit ((*cp.model)->when);
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}
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if (!with_push) {
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cp.move_to (x, y, ControlPoint::Full);
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reset_line_coords (cp);
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} else {
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uint32_t limit = min (control_points.size(), (size_t)last_movable);
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/* move the current point to wherever the user told it to go, subject
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to x_limit.
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*/
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cp.move_to (min (x, x_limit), y, ControlPoint::Full);
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reset_line_coords (cp);
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/* now move all subsequent control points, to reflect the motion.
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*/
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for (uint32_t i = cp.view_index + 1; i < limit; ++i) {
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ControlPoint *p = nth (i);
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double new_x;
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if (p->can_slide) {
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new_x = min (p->get_x() + delta, x_limit);
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p->move_to (new_x, p->get_y(), ControlPoint::Full);
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reset_line_coords (*p);
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}
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}
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}
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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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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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void
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AutomationLine::update_line ()
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{
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line->property_points() = line_points;
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}
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void
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AutomationLine::sync_model_with_view_line (uint32_t start, uint32_t end)
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{
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ControlPoint *p;
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update_pending = true;
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for (uint32_t i = start; i <= end; ++i) {
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p = nth(i);
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sync_model_with_view_point(*p);
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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 = (nframes_t) floor (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((*cp.model)->when)) {
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mr.xval = (nframes_t) (*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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}
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/* virtual call: this will do the right thing
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for whatever particular type of line we are.
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*/
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view_to_model_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 = (nframes_t) (*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 = (nframes_t) (*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::sync_model_from (ControlPoint& cp)
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{
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ControlPoint* p;
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uint32_t lasti;
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sync_model_with_view_point (cp);
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/* we might have moved all points after `cp' by some amount
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if we pressed the with_push modifyer some of the time during the drag
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so all subsequent points have to be resynced
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*/
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lasti = control_points.size() - 1;
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p = nth (lasti);
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update_pending = true;
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while (p != &cp && lasti) {
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sync_model_with_view_point (*p);
|
|
--lasti;
|
|
p = nth (lasti);
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::sync_model_with_view_point (ControlPoint& cp)
|
|
{
|
|
ModelRepresentation mr;
|
|
double ydelta;
|
|
|
|
model_representation (cp, mr);
|
|
|
|
/* part 4: how much are we changing the central point by */
|
|
|
|
ydelta = mr.yval - mr.ypos;
|
|
|
|
/* IMPORTANT: changing the model when the x-coordinate changes
|
|
may invalidate the iterators that we are using. this means that we have
|
|
to change the points before+after the one corresponding to the visual CP
|
|
first (their x-coordinate doesn't change). then we change the
|
|
"main" point.
|
|
|
|
apply the full change to the central point, and interpolate
|
|
in each direction to cover all model points represented
|
|
by the control point.
|
|
*/
|
|
|
|
/* part 5: change all points before the primary point */
|
|
|
|
for (AutomationList::iterator i = mr.start; i != cp.model; ++i) {
|
|
|
|
double delta;
|
|
|
|
delta = ydelta * ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
|
|
|
|
/* x-coordinate (generally time) stays where it is,
|
|
y-coordinate moves by a certain amount.
|
|
*/
|
|
|
|
update_pending = true;
|
|
change_model (i, (*i)->when, mr.yval + delta);
|
|
}
|
|
|
|
/* part 6: change later points */
|
|
|
|
AutomationList::iterator i = cp.model;
|
|
|
|
++i;
|
|
|
|
while (i != mr.end) {
|
|
|
|
double delta;
|
|
|
|
delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
|
|
|
|
/* x-coordinate (generally time) stays where it is,
|
|
y-coordinate moves by a certain amount.
|
|
*/
|
|
|
|
update_pending = true;
|
|
change_model (i, (*i)->when, (*i)->value + delta);
|
|
|
|
++i;
|
|
}
|
|
|
|
/* part 7: change the primary point */
|
|
|
|
update_pending = true;
|
|
change_model (cp.model, mr.xval, mr.yval);
|
|
}
|
|
|
|
void
|
|
AutomationLine::determine_visible_control_points (ALPoints& points)
|
|
{
|
|
uint32_t view_index, pi, n;
|
|
AutomationList::iterator model;
|
|
uint32_t npoints;
|
|
double last_control_point_x = 0.0;
|
|
double last_control_point_y = 0.0;
|
|
uint32_t this_rx = 0;
|
|
uint32_t prev_rx = 0;
|
|
uint32_t this_ry = 0;
|
|
uint32_t prev_ry = 0;
|
|
double* slope;
|
|
uint32_t box_size;
|
|
uint32_t cpsize;
|
|
|
|
/* hide all existing points, and the line */
|
|
|
|
cpsize = 0;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
(*i)->hide();
|
|
++cpsize;
|
|
}
|
|
|
|
line->hide ();
|
|
|
|
if (points.empty()) {
|
|
return;
|
|
}
|
|
|
|
npoints = points.size();
|
|
|
|
/* compute derivative/slope for the entire line */
|
|
|
|
slope = new double[npoints];
|
|
|
|
for (n = 0; n < npoints - 1; ++n) {
|
|
double xdelta = points[n+1].x - points[n].x;
|
|
double ydelta = points[n+1].y - points[n].y;
|
|
slope[n] = ydelta/xdelta;
|
|
}
|
|
|
|
box_size = (uint32_t) control_point_box_size ();
|
|
|
|
/* read all points and decide which ones to show as control points */
|
|
|
|
view_index = 0;
|
|
|
|
for (model = alist.begin(), pi = 0; pi < npoints; ++model, ++pi) {
|
|
|
|
double tx = points[pi].x;
|
|
double ty = points[pi].y;
|
|
|
|
/* now ensure that the control_points vector reflects the current curve
|
|
state, but don't plot control points too close together. also, don't
|
|
plot a series of points all with the same value.
|
|
|
|
always plot the first and last points, of course.
|
|
*/
|
|
|
|
if (invalid_point (points, pi)) {
|
|
/* for some reason, we are supposed to ignore this point,
|
|
but still keep track of the model index.
|
|
*/
|
|
continue;
|
|
}
|
|
|
|
if (pi > 0 && pi < npoints - 1) {
|
|
if (slope[pi] == slope[pi-1]) {
|
|
|
|
/* no reason to display this point */
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* need to round here. the ultimate coordinates are integer
|
|
pixels, so tiny deltas in the coords will be eliminated
|
|
and we end up with "colinear" line segments. since the
|
|
line rendering code in libart doesn't like this very
|
|
much, we eliminate them here. don't do this for the first and last
|
|
points.
|
|
*/
|
|
|
|
this_rx = (uint32_t) rint (tx);
|
|
this_ry = (uint32_t) rint (ty);
|
|
|
|
if (view_index && pi != npoints && /* not the first, not the last */
|
|
(((this_rx == prev_rx) && (this_ry == prev_ry)) || /* same point */
|
|
(((this_rx - prev_rx) < (box_size + 2)) && /* too close horizontally */
|
|
((abs ((int)(this_ry - prev_ry)) < (int) (box_size + 2)))))) { /* too close vertically */
|
|
continue;
|
|
}
|
|
|
|
/* ok, we should display this point */
|
|
|
|
if (view_index >= cpsize) {
|
|
|
|
/* make sure we have enough control points */
|
|
|
|
ControlPoint* ncp = new ControlPoint (*this);
|
|
|
|
ncp->set_size (box_size);
|
|
|
|
control_points.push_back (ncp);
|
|
++cpsize;
|
|
}
|
|
|
|
ControlPoint::ShapeType shape;
|
|
|
|
if (!terminal_points_can_slide) {
|
|
if (pi == 0) {
|
|
control_points[view_index]->can_slide = false;
|
|
if (tx == 0) {
|
|
shape = ControlPoint::Start;
|
|
} else {
|
|
shape = ControlPoint::Full;
|
|
}
|
|
} else if (pi == npoints - 1) {
|
|
control_points[view_index]->can_slide = false;
|
|
shape = ControlPoint::End;
|
|
} else {
|
|
control_points[view_index]->can_slide = true;
|
|
shape = ControlPoint::Full;
|
|
}
|
|
} else {
|
|
control_points[view_index]->can_slide = true;
|
|
shape = ControlPoint::Full;
|
|
}
|
|
|
|
last_control_point_x = tx;
|
|
last_control_point_y = ty;
|
|
|
|
control_points[view_index]->reset (tx, ty, model, view_index, shape);
|
|
|
|
prev_rx = this_rx;
|
|
prev_ry = this_ry;
|
|
|
|
/* 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);
|
|
}
|
|
}
|
|
|
|
view_index++;
|
|
}
|
|
|
|
/* discard extra CP's to avoid confusing ourselves */
|
|
|
|
while (control_points.size() > view_index) {
|
|
ControlPoint* cp = control_points.back();
|
|
control_points.pop_back ();
|
|
delete cp;
|
|
}
|
|
|
|
if (!terminal_points_can_slide) {
|
|
control_points.back()->can_slide = false;
|
|
}
|
|
|
|
delete [] slope;
|
|
|
|
if (view_index > 1) {
|
|
|
|
npoints = view_index;
|
|
|
|
/* reset the line coordinates */
|
|
|
|
while (line_points.size() < npoints) {
|
|
line_points.push_back (Art::Point (0,0));
|
|
}
|
|
|
|
while (line_points.size() > npoints) {
|
|
line_points.pop_back ();
|
|
}
|
|
|
|
for (view_index = 0; view_index < npoints; ++view_index) {
|
|
line_points[view_index].set_x (control_points[view_index]->get_x());
|
|
line_points[view_index].set_y (control_points[view_index]->get_y());
|
|
}
|
|
|
|
line->property_points() = line_points;
|
|
|
|
if (_visible) {
|
|
line->show ();
|
|
}
|
|
}
|
|
|
|
set_selected_points (trackview.editor.get_selection().points);
|
|
}
|
|
|
|
string
|
|
AutomationLine::get_verbose_cursor_string (float fraction)
|
|
{
|
|
char buf[32];
|
|
|
|
if (_vc_uses_gain_mapping) {
|
|
if (fraction == 0.0) {
|
|
snprintf (buf, sizeof (buf), "-inf dB");
|
|
} else {
|
|
snprintf (buf, sizeof (buf), "%.1fdB", coefficient_to_dB (slider_position_to_gain (fraction)));
|
|
}
|
|
} else {
|
|
snprintf (buf, sizeof (buf), "%.2f", fraction);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
void
|
|
AutomationLine::start_drag (ControlPoint* cp, float fraction)
|
|
{
|
|
if (trackview.editor.current_session() == 0) { /* how? */
|
|
return;
|
|
}
|
|
|
|
string str;
|
|
|
|
if (cp) {
|
|
str = _("automation event move");
|
|
} else {
|
|
str = _("automation range drag");
|
|
}
|
|
|
|
trackview.editor.current_session()->begin_reversible_command (str);
|
|
trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, &get_state(), 0));
|
|
|
|
first_drag_fraction = fraction;
|
|
last_drag_fraction = fraction;
|
|
drags = 0;
|
|
}
|
|
|
|
void
|
|
AutomationLine::point_drag (ControlPoint& cp, nframes_t x, float fraction, bool with_push)
|
|
{
|
|
modify_view (cp, x, fraction, with_push);
|
|
drags++;
|
|
}
|
|
|
|
void
|
|
AutomationLine::line_drag (uint32_t i1, uint32_t i2, float fraction, bool with_push)
|
|
{
|
|
double ydelta = fraction - last_drag_fraction;
|
|
|
|
last_drag_fraction = fraction;
|
|
|
|
line_drag_cp1 = i1;
|
|
line_drag_cp2 = i2;
|
|
|
|
ControlPoint *cp;
|
|
|
|
for (uint32_t i = i1 ; i <= i2; i++) {
|
|
cp = nth (i);
|
|
modify_view_point (*cp, trackview.editor.unit_to_frame (cp->get_x()), ((_height - cp->get_y()) /_height) + ydelta, with_push);
|
|
}
|
|
|
|
update_line ();
|
|
|
|
drags++;
|
|
}
|
|
|
|
void
|
|
AutomationLine::end_drag (ControlPoint* cp)
|
|
{
|
|
if (drags) {
|
|
|
|
if (cp) {
|
|
sync_model_from (*cp);
|
|
} else {
|
|
sync_model_with_view_line (line_drag_cp1, line_drag_cp2);
|
|
}
|
|
|
|
update_pending = false;
|
|
|
|
trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, 0, &get_state()));
|
|
trackview.editor.current_session()->commit_reversible_command ();
|
|
trackview.editor.current_session()->set_dirty ();
|
|
}
|
|
}
|
|
|
|
bool
|
|
AutomationLine::control_points_adjacent (double xval, uint32_t & before, uint32_t& after)
|
|
{
|
|
ControlPoint *bcp = 0;
|
|
ControlPoint *acp = 0;
|
|
double unit_xval;
|
|
|
|
/* xval is in frames */
|
|
|
|
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.current_session()->begin_reversible_command (_("remove control point"));
|
|
XMLNode &before = get_state();
|
|
|
|
alist.erase (mr.start, mr.end);
|
|
|
|
trackview.editor.current_session()->add_command(new MementoCommand<AutomationLine>(*this, &before, &get_state()));
|
|
trackview.editor.current_session()->commit_reversible_command ();
|
|
trackview.editor.current_session()->set_dirty ();
|
|
}
|
|
|
|
void
|
|
AutomationLine::get_selectables (nframes_t& start, nframes_t& end,
|
|
double botfrac, double topfrac, list<Selectable*>& results)
|
|
{
|
|
|
|
double top;
|
|
double bot;
|
|
nframes_t nstart;
|
|
nframes_t nend;
|
|
bool collecting = false;
|
|
|
|
/* Curse X11 and its inverted coordinate system! */
|
|
|
|
bot = (1.0 - topfrac) * _height;
|
|
top = (1.0 - botfrac) * _height;
|
|
|
|
nstart = max_frames;
|
|
nend = 0;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
|
|
nframes_t when = (nframes_t) (*(*i)->model)->when;
|
|
|
|
if (when >= start && when <= end) {
|
|
|
|
if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
|
|
|
|
(*i)->show();
|
|
(*i)->set_visible(true);
|
|
collecting = true;
|
|
nstart = min (nstart, when);
|
|
nend = max (nend, when);
|
|
|
|
} else {
|
|
|
|
if (collecting) {
|
|
|
|
results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
|
|
collecting = false;
|
|
nstart = max_frames;
|
|
nend = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (collecting) {
|
|
results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& results)
|
|
{
|
|
// hmmm ....
|
|
}
|
|
|
|
void
|
|
AutomationLine::set_selected_points (PointSelection& points)
|
|
{
|
|
double top;
|
|
double bot;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
(*i)->selected = false;
|
|
}
|
|
|
|
if (points.empty()) {
|
|
goto out;
|
|
}
|
|
|
|
for (PointSelection::iterator r = points.begin(); r != points.end(); ++r) {
|
|
|
|
if (&(*r).track != &trackview) {
|
|
continue;
|
|
}
|
|
|
|
/* Curse X11 and its inverted coordinate system! */
|
|
|
|
bot = (1.0 - (*r).high_fract) * _height;
|
|
top = (1.0 - (*r).low_fract) * _height;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
|
|
double rstart, rend;
|
|
|
|
rstart = trackview.editor.frame_to_unit ((*r).start);
|
|
rend = trackview.editor.frame_to_unit ((*r).end);
|
|
|
|
if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
|
|
|
|
if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
|
|
|
|
(*i)->selected = true;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
out:
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
(*i)->show_color (false, !points_visible);
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
AutomationLine::show_selection ()
|
|
{
|
|
TimeSelection& time (trackview.editor.get_selection().time);
|
|
|
|
// cerr << "show selection\n";
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
|
|
(*i)->selected = false;
|
|
|
|
for (list<AudioRange>::iterator r = time.begin(); r != time.end(); ++r) {
|
|
double rstart, rend;
|
|
|
|
rstart = trackview.editor.frame_to_unit ((*r).start);
|
|
rend = trackview.editor.frame_to_unit ((*r).end);
|
|
|
|
if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
|
|
(*i)->selected = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
(*i)->show_color (false, !points_visible);
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::hide_selection ()
|
|
{
|
|
// cerr << "hide selection\n";
|
|
// show_selection ();
|
|
}
|
|
|
|
void
|
|
AutomationLine::list_changed ()
|
|
{
|
|
queue_reset ();
|
|
}
|
|
|
|
void
|
|
AutomationLine::reset_callback (const AutomationList& 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.const_begin(); ai != events.const_end(); ++ai) {
|
|
|
|
double translated_y = (*ai)->value;
|
|
model_to_view_y (translated_y);
|
|
|
|
tmp_points.push_back (ALPoint (trackview.editor.frame_to_unit ((*ai)->when),
|
|
_height - (translated_y * _height)));
|
|
}
|
|
|
|
determine_visible_control_points (tmp_points);
|
|
}
|
|
|
|
void
|
|
AutomationLine::reset ()
|
|
{
|
|
update_pending = false;
|
|
|
|
if (no_draw) {
|
|
return;
|
|
}
|
|
|
|
alist.apply_to_points (*this, &AutomationLine::reset_callback);
|
|
}
|
|
|
|
void
|
|
AutomationLine::clear ()
|
|
{
|
|
/* parent must create command */
|
|
XMLNode &before = get_state();
|
|
alist.clear();
|
|
trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, &before, &get_state()));
|
|
trackview.editor.current_session()->commit_reversible_command ();
|
|
trackview.editor.current_session()->set_dirty ();
|
|
}
|
|
|
|
void
|
|
AutomationLine::change_model (AutomationList::iterator i, double x, double y)
|
|
{
|
|
alist.modify (i, (nframes_t) x, y);
|
|
}
|
|
|
|
void
|
|
AutomationLine::change_model_range (AutomationList::iterator start, AutomationList::iterator end, double xdelta, float ydelta)
|
|
{
|
|
alist.move_range (start, end, xdelta, ydelta);
|
|
}
|
|
|
|
void
|
|
AutomationLine::show_all_control_points ()
|
|
{
|
|
points_visible = true;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
(*i)->show ();
|
|
(*i)->set_visible (true);
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationLine::hide_all_but_selected_control_points ()
|
|
{
|
|
points_visible = false;
|
|
|
|
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
|
|
if (!(*i)->selected) {
|
|
(*i)->set_visible (false);
|
|
}
|
|
}
|
|
}
|
|
|
|
XMLNode &
|
|
AutomationLine::get_state (void)
|
|
{
|
|
/* function as a proxy for the model */
|
|
return alist.get_state();
|
|
}
|
|
|
|
int
|
|
AutomationLine::set_state (const XMLNode &node)
|
|
{
|
|
/* function as a proxy for the model */
|
|
return alist.set_state (node);
|
|
}
|