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"
26 #include "automation_region_view.h"
27 #include "gui_thread.h"
28 #include "public_editor.h"
32 AutomationRegionView::AutomationRegionView(ArdourCanvas::Group* parent,
33 AutomationTimeAxisView& time_axis,
34 boost::shared_ptr<ARDOUR::Region> region,
35 const Evoral::Parameter& param,
36 boost::shared_ptr<ARDOUR::AutomationList> list,
38 Gdk::Color const & basic_color)
39 : RegionView(parent, time_axis, region, spu, basic_color)
43 assert(list->parameter() == param);
47 group->signal_event().connect (sigc::mem_fun (this, &AutomationRegionView::canvas_event), false);
48 group->raise_to_top();
52 AutomationRegionView::init (Gdk::Color const & basic_color, bool /*wfd*/)
54 _enable_display = false;
56 RegionView::init(basic_color, false);
58 compute_colors (basic_color);
60 reset_width_dependent_items ((double) _region->length() / samples_per_unit);
62 set_height (trackview.current_height());
64 _region->StateChanged.connect (*this, ui_bind (&RegionView::region_changed, this, _1), gui_context());
68 _enable_display = true;
72 AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
74 _line = boost::shared_ptr<AutomationLine>(new AutomationLine(
75 ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
76 trackview, *get_canvas_group(), list, &_time_converter));
78 _line->set_interpolation(list->interpolation());
79 _line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE));
81 _line->show_all_control_points();
85 AutomationRegionView::canvas_event(GdkEvent* ev)
87 if (ev->type == GDK_BUTTON_RELEASE) {
88 const nframes_t when = trackview.editor().pixel_to_frame((nframes_t)ev->button.x)
89 - _region->position();
90 add_automation_event(ev, when, ev->button.y);
97 AutomationRegionView::add_automation_event (GdkEvent* /*event*/, nframes_t when, double y)
100 boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
101 boost::shared_ptr<ARDOUR::AutomationControl> ac
102 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
104 create_line(ac->alist());
109 AutomationTimeAxisView* const view = automation_view();
111 view->canvas_display()->w2i (x, y);
113 /* compute vertical fractional position */
115 const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2;
120 _line->view_to_model_coord (x, y);
122 view->session()->begin_reversible_command (_("add automation event"));
123 XMLNode& before = _line->the_list()->get_state();
125 _line->the_list()->add (x, y);
127 XMLNode& after = _line->the_list()->get_state();
128 view->session()->commit_reversible_command (new MementoCommand<ARDOUR::AutomationList>(
129 *_line->the_list(), &before, &after));
131 view->session()->set_dirty ();
135 AutomationRegionView::set_height (double h)
137 RegionView::set_height(h);
140 _line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE));
144 AutomationRegionView::set_position (nframes64_t pos, void* src, double* ignored)
146 return RegionView::set_position(pos, src, ignored);
151 AutomationRegionView::reset_width_dependent_items (double pixel_width)
153 RegionView::reset_width_dependent_items(pixel_width);
161 AutomationRegionView::region_resized (PBD::Change what_changed)
163 RegionView::region_resized(what_changed);
171 AutomationRegionView::entered()
174 _line->track_entered();
179 AutomationRegionView::exited()
182 _line->track_exited();