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"
29 #include "ardour/source.h"
31 #include "automation_region_view.h"
34 #include "editor_drag.h"
35 #include "gui_thread.h"
36 #include "midi_automation_line.h"
37 #include "public_editor.h"
41 AutomationRegionView::AutomationRegionView (ArdourCanvas::Group* parent,
42 AutomationTimeAxisView& time_axis,
43 boost::shared_ptr<ARDOUR::Region> region,
44 const Evoral::Parameter& param,
45 boost::shared_ptr<ARDOUR::AutomationList> list,
47 Gdk::Color const & basic_color)
48 : RegionView(parent, time_axis, region, spu, basic_color, true)
52 assert(list->parameter() == param);
56 group->signal_event().connect (sigc::mem_fun (this, &AutomationRegionView::canvas_event), false);
57 group->raise_to_top();
60 AutomationRegionView::~AutomationRegionView ()
65 AutomationRegionView::init (Gdk::Color const & basic_color, bool /*wfd*/)
67 _enable_display = false;
69 RegionView::init(basic_color, false);
71 compute_colors (basic_color);
73 reset_width_dependent_items ((double) _region->length() / samples_per_unit);
75 set_height (trackview.current_height());
79 _enable_display = true;
83 AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
85 _line = boost::shared_ptr<AutomationLine> (new MidiAutomationLine(
86 ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
87 trackview, *get_canvas_group(), list,
88 boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region),
90 &_source_relative_time_converter));
92 _line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE));
94 _line->show_all_control_points();
95 _line->set_maximum_time (_region->length());
96 _line->set_offset (_region->start ());
100 AutomationRegionView::canvas_event (GdkEvent* ev)
102 PublicEditor& e = trackview.editor ();
104 if (ev->type == GDK_BUTTON_PRESS && e.current_mouse_mode() == Editing::MouseObject) {
106 /* XXX: icky dcast to Editor */
107 e.drags()->set (new EditorRubberbandSelectDrag (dynamic_cast<Editor*> (&e), group), ev);
109 } else if (ev->type == GDK_BUTTON_RELEASE) {
111 if (trackview.editor().drags()->active() && trackview.editor().drags()->end_grab (ev)) {
115 double x = ev->button.x;
116 double y = ev->button.y;
118 /* convert to item coordinates in the time axis view */
119 automation_view()->canvas_display()->w2i (x, y);
122 y = std::max (y, 0.0);
123 y = std::min (y, _height - NAME_HIGHLIGHT_SIZE);
125 add_automation_event (ev, trackview.editor().pixel_to_frame (x) - _region->position() + _region->start(), y);
131 /** @param when Position in frames, where 0 is the start of the region.
132 * @param y y position, relative to our TimeAxisView.
135 AutomationRegionView::add_automation_event (GdkEvent *, framepos_t when, double y)
138 boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
139 boost::shared_ptr<ARDOUR::AutomationControl> ac
140 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
142 create_line(ac->alist());
146 AutomationTimeAxisView* const view = automation_view ();
148 /* compute vertical fractional position */
150 const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2;
155 when = snap_frame_to_frame (when - _region->start ()) + _region->start ();
159 double when_d = when;
160 _line->view_to_model_coord (when_d, y);
162 view->session()->begin_reversible_command (_("add automation event"));
163 XMLNode& before = _line->the_list()->get_state();
165 _line->the_list()->add (when_d, y);
167 XMLNode& after = _line->the_list()->get_state();
170 boost::shared_ptr<ARDOUR::MidiRegion> mr = boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region);
173 view->session()->commit_reversible_command (
174 new MementoCommand<ARDOUR::AutomationList> (new ARDOUR::MidiAutomationListBinder (mr->midi_source(), _parameter), &before, &after)
178 view->session()->set_dirty ();
182 AutomationRegionView::set_height (double h)
184 RegionView::set_height(h);
187 _line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE));
192 AutomationRegionView::set_position (framepos_t pos, void* src, double* ignored)
195 _line->set_maximum_time (_region->length ());
198 return RegionView::set_position(pos, src, ignored);
203 AutomationRegionView::reset_width_dependent_items (double pixel_width)
205 RegionView::reset_width_dependent_items(pixel_width);
214 AutomationRegionView::region_resized (const PBD::PropertyChange& what_changed)
216 RegionView::region_resized (what_changed);
222 if (what_changed.contains (ARDOUR::Properties::start)) {
223 _line->set_offset (_region->start ());
226 if (what_changed.contains (ARDOUR::Properties::length)) {
227 _line->set_maximum_time (_region->length());
233 AutomationRegionView::entered (bool)
236 _line->track_entered();
242 AutomationRegionView::exited ()
245 _line->track_exited();