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 "gtkmm2ext/keyboard.h"
32 #include "automation_region_view.h"
35 #include "editor_drag.h"
36 #include "gui_thread.h"
37 #include "midi_automation_line.h"
38 #include "public_editor.h"
42 AutomationRegionView::AutomationRegionView (ArdourCanvas::Container* parent,
43 AutomationTimeAxisView& time_axis,
44 boost::shared_ptr<ARDOUR::Region> region,
45 const Evoral::Parameter& param,
46 boost::shared_ptr<ARDOUR::AutomationList> list,
49 : RegionView(parent, time_axis, region, spu, basic_color, true)
50 , _region_relative_time_converter(region->session().tempo_map(), region->position())
51 , _source_relative_time_converter(region->session().tempo_map(), region->position() - region->start())
55 assert(list->parameter() == param);
59 group->raise_to_top();
62 AutomationRegionView::~AutomationRegionView ()
64 RegionViewGoingAway (this); /* EMIT_SIGNAL */
68 AutomationRegionView::init (bool /*wfd*/)
70 _enable_display = false;
72 RegionView::init (false);
74 reset_width_dependent_items ((double) _region->length() / samples_per_pixel);
76 set_height (trackview.current_height());
80 _enable_display = true;
84 AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
86 _line = boost::shared_ptr<AutomationLine> (new MidiAutomationLine(
87 ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
88 trackview, *get_canvas_group(), list,
89 boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region),
91 &_source_relative_time_converter));
93 _line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE));
94 _line->set_visibility (AutomationLine::VisibleAspects (AutomationLine::Line|AutomationLine::ControlPoints));
95 _line->set_maximum_time (_region->length());
96 _line->set_offset (_region->start ());
100 AutomationRegionView::canvas_group_event (GdkEvent* ev)
106 if (!trackview.editor().internal_editing()) {
107 // not in internal edit mode, so just act like a normal region
108 return RegionView::canvas_group_event (ev);
111 PublicEditor& e = trackview.editor ();
113 if (ev->type == GDK_BUTTON_PRESS && e.current_mouse_mode() == Editing::MouseObject) {
115 /* XXX: icky dcast to Editor */
116 e.drags()->set (new EditorRubberbandSelectDrag (dynamic_cast<Editor*> (&e), group), ev);
117 e.drags()->start_grab (ev);
120 } else if (ev->type == GDK_MOTION_NOTIFY && e.drags()->active()) {
121 /* we probably shouldn't have to handle this here, but... */
122 e.drags()->motion_handler(ev, false);
125 } else if (ev->type == GDK_BUTTON_RELEASE) {
126 if (e.drags()->end_grab (ev)) {
128 } else if (e.current_mouse_mode() != Editing::MouseDraw) {
129 return RegionView::canvas_group_event (ev);
132 double x = ev->button.x;
133 double y = ev->button.y;
135 /* convert to item coordinates in the time axis view */
136 automation_view()->canvas_display()->canvas_to_item (x, y);
139 y = std::max (y, 0.0);
140 y = std::min (y, _height - NAME_HIGHLIGHT_SIZE);
142 /* guard points only if primary modifier is used */
143 bool with_guard_points = Gtkmm2ext::Keyboard::modifier_state_equals (ev->button.state, Gtkmm2ext::Keyboard::PrimaryModifier);
144 add_automation_event (ev, e.pixel_to_sample (x) - _region->position() + _region->start(), y, with_guard_points);
148 return RegionView::canvas_group_event (ev);
151 /** @param when Position in frames, where 0 is the start of the region.
152 * @param y y position, relative to our TimeAxisView.
155 AutomationRegionView::add_automation_event (GdkEvent *, framepos_t when, double y, bool with_guard_points)
158 boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
159 boost::shared_ptr<ARDOUR::AutomationControl> ac
160 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
162 create_line(ac->alist());
166 AutomationTimeAxisView* const view = automation_view ();
168 /* compute vertical fractional position */
170 const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2;
175 when = snap_frame_to_frame (when - _region->start ()) + _region->start ();
179 double when_d = when;
180 _line->view_to_model_coord (when_d, y);
182 view->session()->begin_reversible_command (_("add automation event"));
183 XMLNode& before = _line->the_list()->get_state();
185 _line->the_list()->add (when_d, y, with_guard_points, false);
187 XMLNode& after = _line->the_list()->get_state();
189 view->session()->commit_reversible_command (
190 new MementoCommand<ARDOUR::AutomationList> (_line->memento_command_binder(), &before, &after));
192 view->session()->set_dirty ();
196 AutomationRegionView::paste (framepos_t pos,
197 unsigned paste_count,
199 boost::shared_ptr<const ARDOUR::AutomationList> slist)
201 AutomationTimeAxisView* const view = automation_view();
202 boost::shared_ptr<ARDOUR::AutomationList> my_list = _line->the_list();
204 if (view->session()->transport_rolling() && my_list->automation_write()) {
205 /* do not paste if this control is in write mode and we're rolling */
209 /* add multi-paste offset if applicable */
210 pos += view->editor().get_paste_offset(
211 pos, paste_count, _line->time_converter().to(slist->length()));
213 const double model_pos = _line->time_converter().from(pos - _line->time_converter().origin_b());
215 XMLNode& before = my_list->get_state();
216 my_list->paste(*slist, model_pos, times);
217 view->session()->add_command(
218 new MementoCommand<ARDOUR::AutomationList>(_line->memento_command_binder(), &before, &my_list->get_state()));
224 AutomationRegionView::set_height (double h)
226 RegionView::set_height(h);
229 _line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE));
234 AutomationRegionView::set_position (framepos_t pos, void* src, double* ignored)
237 _line->set_maximum_time (_region->length ());
240 return RegionView::set_position(pos, src, ignored);
245 AutomationRegionView::reset_width_dependent_items (double pixel_width)
247 RegionView::reset_width_dependent_items(pixel_width);
256 AutomationRegionView::region_resized (const PBD::PropertyChange& what_changed)
258 RegionView::region_resized (what_changed);
260 if (what_changed.contains (ARDOUR::Properties::position)) {
261 _region_relative_time_converter.set_origin_b(_region->position());
264 if (what_changed.contains (ARDOUR::Properties::start) ||
265 what_changed.contains (ARDOUR::Properties::position)) {
266 _source_relative_time_converter.set_origin_b (_region->position() - _region->start());
273 if (what_changed.contains (ARDOUR::Properties::start)) {
274 _line->set_offset (_region->start ());
277 if (what_changed.contains (ARDOUR::Properties::length)) {
278 _line->set_maximum_time (_region->length());
284 AutomationRegionView::entered (bool)
287 _line->track_entered();
293 AutomationRegionView::exited ()
296 _line->track_exited();