2 Copyright (C) 2007 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "pbd/memento_command.h"
21 #include "ardour/automation_control.h"
22 #include "ardour/event_type_map.h"
23 #include "ardour/session.h"
24 #include "ardour/source.h"
25 #include "automation_region_view.h"
26 #include "public_editor.h"
30 AutomationRegionView::AutomationRegionView(ArdourCanvas::Group* parent,
31 AutomationTimeAxisView& time_axis,
32 boost::shared_ptr<ARDOUR::Region> region,
33 const Evoral::Parameter& param,
34 boost::shared_ptr<ARDOUR::AutomationList> list,
36 Gdk::Color const & basic_color)
37 : RegionView(parent, time_axis, region, spu, basic_color)
41 assert(list->parameter() == param);
45 group->signal_event().connect (mem_fun (this, &AutomationRegionView::canvas_event), false);
49 AutomationRegionView::init (Gdk::Color const & basic_color, bool wfd)
51 _enable_display = false;
53 RegionView::init(basic_color, false);
55 compute_colors (basic_color);
57 reset_width_dependent_items ((double) _region->length() / samples_per_unit);
59 set_height (trackview.current_height());
61 _region->StateChanged.connect (mem_fun(*this, &AutomationRegionView::region_changed));
65 _enable_display = true;
69 AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
71 _line = boost::shared_ptr<AutomationLine>(new AutomationLine(
72 ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
73 trackview, *get_canvas_group(), list, &_time_converter));
75 _line->set_interpolation(list->interpolation());
77 _line->show_all_control_points();
78 _line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE));
82 AutomationRegionView::canvas_event(GdkEvent* ev)
84 if (ev->type == GDK_BUTTON_RELEASE) {
86 const nframes_t when = trackview.editor().pixel_to_frame((nframes_t)ev->button.x)
87 - _region->position();
88 add_automation_event(ev, when, ev->button.y);
95 AutomationRegionView::add_automation_event (GdkEvent* event, nframes_t when, double y)
98 boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
99 boost::shared_ptr<ARDOUR::AutomationControl> ac
100 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
102 create_line(ac->alist());
107 AutomationTimeAxisView* const view = automation_view();
109 view->canvas_display()->w2i (x, y);
111 /* compute vertical fractional position */
113 const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2;
118 _line->view_to_model_coord (x, y);
120 view->session().begin_reversible_command (_("add automation event"));
121 XMLNode& before = _line->the_list()->get_state();
123 _line->the_list()->add (when, y);
125 XMLNode& after = _line->the_list()->get_state();
126 view->session().commit_reversible_command (new MementoCommand<ARDOUR::AutomationList>(
127 *_line->the_list(), &before, &after));
129 view->session().set_dirty ();
133 AutomationRegionView::set_height (double h)
135 RegionView::set_height(h);
138 _line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE));
142 AutomationRegionView::set_position (nframes_t pos, void* src, double* ignored)
144 return RegionView::set_position(pos, src, ignored);
149 AutomationRegionView::reset_width_dependent_items (double pixel_width)
151 RegionView::reset_width_dependent_items(pixel_width);
159 AutomationRegionView::region_resized (ARDOUR::Change what_changed)
161 RegionView::region_resized(what_changed);
169 AutomationRegionView::entered()
172 _line->track_entered();
177 AutomationRegionView::exited()
180 _line->track_exited();