David Robillard
b4fcdbb100
This should probably hijack the same modifier as the guard points and work the same on all automation tracks, but I did it this way to not change behaviour of track automation where a default is much more reasonable.
262 lines
6.8 KiB
C++
262 lines
6.8 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: David Robillard
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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 <utility>
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#include "pbd/memento_command.h"
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#include "ardour/automation_control.h"
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#include "ardour/event_type_map.h"
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#include "ardour/midi_automation_list_binder.h"
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#include "ardour/midi_region.h"
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#include "ardour/session.h"
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#include "gtkmm2ext/keyboard.h"
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#include "automation_region_view.h"
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#include "editing.h"
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#include "editor.h"
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#include "editor_drag.h"
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#include "gui_thread.h"
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#include "midi_automation_line.h"
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#include "public_editor.h"
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#include "i18n.h"
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AutomationRegionView::AutomationRegionView (ArdourCanvas::Container* parent,
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AutomationTimeAxisView& time_axis,
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boost::shared_ptr<ARDOUR::Region> region,
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const Evoral::Parameter& param,
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boost::shared_ptr<ARDOUR::AutomationList> list,
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double spu,
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uint32_t basic_color)
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: RegionView(parent, time_axis, region, spu, basic_color, true)
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, _parameter(param)
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{
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if (list) {
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assert(list->parameter() == param);
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create_line(list);
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}
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group->raise_to_top();
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}
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AutomationRegionView::~AutomationRegionView ()
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{
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RegionViewGoingAway (this); /* EMIT_SIGNAL */
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}
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void
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AutomationRegionView::init (bool /*wfd*/)
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{
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_enable_display = false;
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RegionView::init (false);
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reset_width_dependent_items ((double) _region->length() / samples_per_pixel);
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set_height (trackview.current_height());
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set_colors ();
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_enable_display = true;
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}
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void
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AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
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{
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_line = boost::shared_ptr<AutomationLine> (new MidiAutomationLine(
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ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
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trackview, *get_canvas_group(), list,
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boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region),
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_parameter,
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&_source_relative_time_converter));
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_line->set_colors();
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_line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE));
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_line->set_visibility (AutomationLine::VisibleAspects (AutomationLine::Line|AutomationLine::ControlPoints));
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_line->set_maximum_time (_region->length());
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_line->set_offset (_region->start ());
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}
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bool
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AutomationRegionView::canvas_group_event (GdkEvent* ev)
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{
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if (in_destructor) {
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return false;
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}
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PublicEditor& e = trackview.editor ();
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if (ev->type == GDK_BUTTON_PRESS && e.current_mouse_mode() == Editing::MouseObject) {
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/* XXX: icky dcast to Editor */
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e.drags()->set (new EditorRubberbandSelectDrag (dynamic_cast<Editor*> (&e), group), ev);
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e.drags()->start_grab (ev);
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return true;
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} else if (ev->type == GDK_MOTION_NOTIFY && e.drags()->active()) {
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/* we probably shouldn't have to handle this here, but... */
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e.drags()->motion_handler(ev, false);
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return true;
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} else if (ev->type == GDK_BUTTON_RELEASE) {
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if (e.drags()->end_grab (ev)) {
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return true;
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} else if (e.current_mouse_mode() != Editing::MouseObject &&
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e.current_mouse_mode() == Editing::MouseDraw) {
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return false;
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}
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double x = ev->button.x;
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double y = ev->button.y;
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/* convert to item coordinates in the time axis view */
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automation_view()->canvas_display()->canvas_to_item (x, y);
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/* clamp y */
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y = std::max (y, 0.0);
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y = std::min (y, _height - NAME_HIGHLIGHT_SIZE);
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/* guard points only if primary modifier is used */
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bool with_guard_points = Gtkmm2ext::Keyboard::modifier_state_equals (ev->button.state, Gtkmm2ext::Keyboard::PrimaryModifier);
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add_automation_event (ev, e.pixel_to_sample (x) - _region->position() + _region->start(), y, with_guard_points);
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return true;
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}
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return false;
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}
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/** @param when Position in frames, where 0 is the start of the region.
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* @param y y position, relative to our TimeAxisView.
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*/
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void
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AutomationRegionView::add_automation_event (GdkEvent *, framepos_t when, double y, bool with_guard_points)
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{
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if (!_line) {
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boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
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boost::shared_ptr<ARDOUR::AutomationControl> ac
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= boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
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assert(ac);
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create_line(ac->alist());
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}
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assert(_line);
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AutomationTimeAxisView* const view = automation_view ();
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/* compute vertical fractional position */
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const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2;
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y = 1.0 - (y / h);
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/* snap frame */
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when = snap_frame_to_frame (when - _region->start ()) + _region->start ();
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/* map using line */
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double when_d = when;
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_line->view_to_model_coord (when_d, y);
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view->session()->begin_reversible_command (_("add automation event"));
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XMLNode& before = _line->the_list()->get_state();
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_line->the_list()->add (when_d, y, with_guard_points, false);
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XMLNode& after = _line->the_list()->get_state();
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/* XXX: hack! */
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boost::shared_ptr<ARDOUR::MidiRegion> mr = boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region);
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assert (mr);
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view->session()->commit_reversible_command (
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new MementoCommand<ARDOUR::AutomationList> (new ARDOUR::MidiAutomationListBinder (mr->midi_source(), _parameter), &before, &after)
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);
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view->session()->set_dirty ();
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}
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void
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AutomationRegionView::set_height (double h)
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{
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RegionView::set_height(h);
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if (_line) {
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_line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE));
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}
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}
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bool
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AutomationRegionView::set_position (framepos_t pos, void* src, double* ignored)
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{
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if (_line) {
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_line->set_maximum_time (_region->length ());
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}
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return RegionView::set_position(pos, src, ignored);
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}
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void
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AutomationRegionView::reset_width_dependent_items (double pixel_width)
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{
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RegionView::reset_width_dependent_items(pixel_width);
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if (_line) {
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_line->reset();
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}
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}
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void
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AutomationRegionView::region_resized (const PBD::PropertyChange& what_changed)
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{
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RegionView::region_resized (what_changed);
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if (!_line) {
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return;
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}
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if (what_changed.contains (ARDOUR::Properties::start)) {
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_line->set_offset (_region->start ());
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}
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if (what_changed.contains (ARDOUR::Properties::length)) {
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_line->set_maximum_time (_region->length());
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}
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}
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void
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AutomationRegionView::entered (bool)
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{
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if (_line) {
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_line->track_entered();
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}
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}
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void
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AutomationRegionView::exited ()
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{
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if (_line) {
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_line->track_exited();
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}
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}
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