2 Copyright (C) 2007 Paul Davis
3 Author: David Robillard
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.
22 #include "pbd/memento_command.h"
24 #include "ardour/automation_control.h"
25 #include "ardour/event_type_map.h"
26 #include "ardour/midi_automation_list_binder.h"
27 #include "ardour/midi_region.h"
28 #include "ardour/session.h"
30 #include "automation_region_view.h"
33 #include "editor_drag.h"
34 #include "gui_thread.h"
35 #include "midi_automation_line.h"
36 #include "public_editor.h"
40 AutomationRegionView::AutomationRegionView (ArdourCanvas::Group* parent,
41 AutomationTimeAxisView& time_axis,
42 boost::shared_ptr<ARDOUR::Region> region,
43 const Evoral::Parameter& param,
44 boost::shared_ptr<ARDOUR::AutomationList> list,
46 Gdk::Color const & basic_color)
47 : RegionView(parent, time_axis, region, spu, basic_color, true)
51 assert(list->parameter() == param);
55 group->signal_event().connect (sigc::mem_fun (this, &AutomationRegionView::canvas_event), false);
56 group->raise_to_top();
59 AutomationRegionView::~AutomationRegionView ()
64 AutomationRegionView::init (Gdk::Color const & basic_color, bool /*wfd*/)
66 _enable_display = false;
68 RegionView::init(basic_color, false);
70 compute_colors (basic_color);
72 reset_width_dependent_items ((double) _region->length() / samples_per_unit);
74 set_height (trackview.current_height());
78 _enable_display = true;
82 AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
84 _line = boost::shared_ptr<AutomationLine> (new MidiAutomationLine(
85 ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
86 trackview, *get_canvas_group(), list,
87 boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region),
89 &_source_relative_time_converter));
91 _line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE));
93 _line->show_all_control_points();
94 _line->set_maximum_time (_region->length());
95 _line->set_offset (_region->start ());
99 AutomationRegionView::canvas_event (GdkEvent* ev)
101 PublicEditor& e = trackview.editor ();
103 if (ev->type == GDK_BUTTON_PRESS && e.current_mouse_mode() == Editing::MouseObject) {
105 /* XXX: icky dcast to Editor */
106 e.drags()->set (new EditorRubberbandSelectDrag (dynamic_cast<Editor*> (&e), group), ev);
108 } else if (ev->type == GDK_BUTTON_RELEASE) {
110 if (trackview.editor().drags()->active() && trackview.editor().drags()->end_grab (ev)) {
114 double x = ev->button.x;
115 double y = ev->button.y;
117 /* convert to item coordinates in the time axis view */
118 automation_view()->canvas_display()->w2i (x, y);
121 y = std::max (y, 0.0);
122 y = std::min (y, _height - NAME_HIGHLIGHT_SIZE);
124 add_automation_event (ev, trackview.editor().pixel_to_frame (x) - _region->position() + _region->start(), y);
130 /** @param when Position in frames, where 0 is the start of the region.
131 * @param y y position, relative to our TimeAxisView.
134 AutomationRegionView::add_automation_event (GdkEvent *, framepos_t when, double y)
137 boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
138 boost::shared_ptr<ARDOUR::AutomationControl> ac
139 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
141 create_line(ac->alist());
145 AutomationTimeAxisView* const view = automation_view ();
147 /* compute vertical fractional position */
149 const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2;
154 when = snap_frame_to_frame (when - _region->start ()) + _region->start ();
158 double when_d = when;
159 _line->view_to_model_coord (when_d, y);
161 view->session()->begin_reversible_command (_("add automation event"));
162 XMLNode& before = _line->the_list()->get_state();
164 _line->the_list()->add (when_d, y);
166 XMLNode& after = _line->the_list()->get_state();
169 boost::shared_ptr<ARDOUR::MidiRegion> mr = boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region);
172 view->session()->commit_reversible_command (
173 new MementoCommand<ARDOUR::AutomationList> (new ARDOUR::MidiAutomationListBinder (mr->midi_source(), _parameter), &before, &after)
177 view->session()->set_dirty ();
181 AutomationRegionView::set_height (double h)
183 RegionView::set_height(h);
186 _line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE));
191 AutomationRegionView::set_position (framepos_t pos, void* src, double* ignored)
194 _line->set_maximum_time (_region->length ());
197 return RegionView::set_position(pos, src, ignored);
202 AutomationRegionView::reset_width_dependent_items (double pixel_width)
204 RegionView::reset_width_dependent_items(pixel_width);
213 AutomationRegionView::region_resized (const PBD::PropertyChange& what_changed)
215 RegionView::region_resized (what_changed);
221 if (what_changed.contains (ARDOUR::Properties::start)) {
222 _line->set_offset (_region->start ());
225 if (what_changed.contains (ARDOUR::Properties::length)) {
226 _line->set_maximum_time (_region->length());
232 AutomationRegionView::entered (bool)
235 _line->track_entered();
241 AutomationRegionView::exited ()
244 _line->track_exited();