2 Copyright (C) 2000-2007 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "evoral/Note.hpp"
22 #include "ardour/parameter_descriptor.h"
24 #include "canvas/container.h"
25 #include "canvas/polygon.h"
26 #include "canvas/rectangle.h"
27 #include "canvas/debug.h"
29 #include "waveview/wave_view.h"
31 #include "automation_time_axis.h"
32 #include "ghostregion.h"
33 #include "midi_streamview.h"
34 #include "midi_time_axis.h"
35 #include "region_view.h"
36 #include "midi_region_view.h"
37 #include "rgb_macros.h"
40 #include "ui_config.h"
43 using namespace Editing;
44 using namespace ArdourCanvas;
45 using namespace ARDOUR;
47 GhostRegion::GhostRegion(RegionView& rv,
48 ArdourCanvas::Container* parent,
50 TimeAxisView& source_tv,
54 , source_trackview(source_tv)
56 group = new ArdourCanvas::Container (parent);
57 CANVAS_DEBUG_NAME (group, "ghost region");
58 group->set_position (ArdourCanvas::Duple (initial_pos, 0));
60 base_rect = new ArdourCanvas::Rectangle (group);
61 CANVAS_DEBUG_NAME (base_rect, "ghost region rect");
62 base_rect->set_x0 (0);
63 base_rect->set_y0 (1.0);
64 base_rect->set_y1 (trackview.current_height());
65 base_rect->set_outline (false);
67 if (!is_automation_ghost()) {
71 GhostRegion::set_colors();
73 /* the parent group of a ghostregion is a dedicated group for ghosts,
74 so the new ghost would want to get to the top of that group*/
75 group->raise_to_top ();
78 GhostRegion::~GhostRegion ()
80 parent_rv.remove_ghost(this);
81 trackview.erase_ghost(this);
87 GhostRegion::set_duration (double units)
89 base_rect->set_x1 (units);
93 GhostRegion::set_height ()
95 base_rect->set_y1 (trackview.current_height());
99 GhostRegion::set_colors ()
101 if (is_automation_ghost()) {
102 base_rect->set_fill_color (UIConfiguration::instance().color_mod ("ghost track base", "ghost track base"));
107 GhostRegion::source_track_color(unsigned char alpha)
109 Gdk::Color color = source_trackview.color();
110 return RGBA_TO_UINT (color.get_red() / 256, color.get_green() / 256, color.get_blue() / 256, alpha);
114 GhostRegion::is_automation_ghost()
116 return (dynamic_cast<AutomationTimeAxisView*>(&trackview)) != 0;
119 AudioGhostRegion::AudioGhostRegion(RegionView& rv,
121 TimeAxisView& source_tv,
122 double initial_unit_pos)
123 : GhostRegion(rv, tv.ghost_group(), tv, source_tv, initial_unit_pos)
129 AudioGhostRegion::set_samples_per_pixel (double fpp)
131 for (vector<ArdourWaveView::WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
132 (*i)->set_samples_per_pixel (fpp);
137 AudioGhostRegion::set_height ()
139 vector<ArdourWaveView::WaveView*>::iterator i;
142 GhostRegion::set_height();
144 double const ht = ((trackview.current_height()) / (double) waves.size());
146 for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
147 (*i)->set_height (ht);
148 (*i)->set_y_position (n * ht);
153 AudioGhostRegion::set_colors ()
155 GhostRegion::set_colors();
158 if (is_automation_ghost()) {
159 fill_color = UIConfiguration::instance().color ("ghost track wave fill");
162 fill_color = source_track_color(200);
165 for (uint32_t n=0; n < waves.size(); ++n) {
166 waves[n]->set_outline_color (UIConfiguration::instance().color ("ghost track wave"));
167 waves[n]->set_fill_color (fill_color);
168 waves[n]->set_clip_color (UIConfiguration::instance().color ("ghost track wave clip"));
169 waves[n]->set_zero_color (UIConfiguration::instance().color ("ghost track zero line"));
173 /** The general constructor; called when the destination timeaxisview doesn't have
176 * @param rv The parent RegionView that is being ghosted.
177 * @param tv TimeAxisView that this ghost region is on.
178 * @param source_tv TimeAxisView that we are the ghost for.
180 MidiGhostRegion::MidiGhostRegion(MidiRegionView& rv,
182 TimeAxisView& source_tv,
183 double initial_unit_pos)
184 : GhostRegion(rv, tv.ghost_group(), tv, source_tv, initial_unit_pos)
185 , _note_group (new ArdourCanvas::Container (group))
187 , _optimization_iterator(events.end())
189 _outline = UIConfiguration::instance().color ("ghost track midi outline");
191 base_rect->lower_to_bottom();
195 * @param rv The parent RegionView being ghosted.
196 * @param msv MidiStreamView that this ghost region is on.
197 * @param source_tv TimeAxisView that we are the ghost for.
199 MidiGhostRegion::MidiGhostRegion(MidiRegionView& rv,
201 TimeAxisView& source_tv,
202 double initial_unit_pos)
204 msv.midi_underlay_group,
208 , _note_group (new ArdourCanvas::Container (group))
210 , _optimization_iterator(events.end())
212 _outline = UIConfiguration::instance().color ("ghost track midi outline");
214 base_rect->lower_to_bottom();
217 MidiGhostRegion::~MidiGhostRegion()
223 MidiGhostRegion::GhostEvent::GhostEvent (NoteBase* e, ArdourCanvas::Container* g)
227 if (dynamic_cast<Note*>(e)) {
228 item = new ArdourCanvas::Rectangle(
229 g, ArdourCanvas::Rect(e->x0(), e->y0(), e->x1(), e->y1()));
232 Hit* hit = dynamic_cast<Hit*>(e);
236 ArdourCanvas::Polygon* poly = new ArdourCanvas::Polygon(g);
237 poly->set(Hit::points(e->y1() - e->y0()));
238 poly->set_position(hit->position());
243 CANVAS_DEBUG_NAME (item, "ghost note item");
246 MidiGhostRegion::GhostEvent::~GhostEvent ()
248 /* event is not ours to delete */
253 MidiGhostRegion::set_samples_per_pixel (double /*spu*/)
257 /** @return MidiStreamView that we are providing a ghost for */
259 MidiGhostRegion::midi_view ()
261 StreamView* sv = source_trackview.view ();
263 MidiStreamView* msv = dynamic_cast<MidiStreamView*> (sv);
270 MidiGhostRegion::set_height ()
272 GhostRegion::set_height();
273 update_contents_height ();
277 MidiGhostRegion::set_colors()
279 GhostRegion::set_colors();
280 _outline = UIConfiguration::instance().color ("ghost track midi outline");
282 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
283 it->second->item->set_fill_color (UIConfiguration::instance().color_mod((*it).second->event->base_color(), "ghost track midi fill"));
284 it->second->item->set_outline_color (_outline);
289 note_height(TimeAxisView& trackview, MidiStreamView* mv)
291 const double tv_height = trackview.current_height();
292 const double note_range = mv->contents_note_range();
294 return std::max(1.0, floor(tv_height / note_range - 1.0));
298 note_y(TimeAxisView& trackview, MidiStreamView* mv, uint8_t note_num)
300 const double tv_height = trackview.current_height();
301 const double note_range = mv->contents_note_range();
302 const double s = tv_height / note_range;
304 return tv_height - (note_num + 1 - mv->lowest_note()) * s;
308 MidiGhostRegion::update_contents_height ()
310 MidiStreamView* mv = midi_view();
316 double const h = note_height(trackview, mv);
318 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
319 uint8_t const note_num = it->second->event->note()->note();
321 double const y = note_y(trackview, mv, note_num);
323 if (!it->second->is_hit) {
324 _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(it->second->item);
325 _tmp_rect->set (ArdourCanvas::Rect (_tmp_rect->x0(), y, _tmp_rect->x1(), y + h));
327 _tmp_poly = static_cast<ArdourCanvas::Polygon*>(it->second->item);
328 Duple position = _tmp_poly->position();
330 _tmp_poly->set_position(position);
331 _tmp_poly->set(Hit::points(h));
337 MidiGhostRegion::add_note (NoteBase* n)
339 GhostEvent* event = new GhostEvent (n, _note_group);
340 events.insert (make_pair (n->note(), event));
342 event->item->set_fill_color (UIConfiguration::instance().color_mod(n->base_color(), "ghost track midi fill"));
343 event->item->set_outline_color (_outline);
345 MidiStreamView* mv = midi_view();
349 if (!n->item()->visible()) {
352 uint8_t const note_num = n->note()->note();
353 double const h = note_height(trackview, mv);
354 double const y = note_y(trackview, mv, note_num);
355 if (!event->is_hit) {
356 _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(event->item);
357 _tmp_rect->set (ArdourCanvas::Rect (_tmp_rect->x0(), y, _tmp_rect->x1(), y + h));
359 _tmp_poly = static_cast<ArdourCanvas::Polygon*>(event->item);
360 Duple position = _tmp_poly->position();
362 _tmp_poly->set_position(position);
363 _tmp_poly->set(Hit::points(h));
370 MidiGhostRegion::clear_events()
372 _note_group->clear (true);
374 _optimization_iterator = events.end();
377 /** Update the positions of our representation of a note.
378 * @param ev The GhostEvent from the parent MidiRegionView.
381 MidiGhostRegion::update_note (GhostEvent* ev)
383 MidiStreamView* mv = midi_view();
389 _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(ev->item);
391 uint8_t const note_num = ev->event->note()->note();
392 double const y = note_y(trackview, mv, note_num);
393 double const h = note_height(trackview, mv);
395 _tmp_rect->set (ArdourCanvas::Rect (ev->event->x0(), y, ev->event->x1(), y + h));
398 /** Update the positions of our representation of a parent's hit.
399 * @param ev The GhostEvent from the parent MidiRegionView.
402 MidiGhostRegion::update_hit (GhostEvent* ev)
404 MidiStreamView* mv = midi_view();
410 _tmp_poly = static_cast<ArdourCanvas::Polygon*>(ev->item);
412 uint8_t const note_num = ev->event->note()->note();
413 double const h = note_height(trackview, mv);
414 double const y = note_y(trackview, mv, note_num);
416 ArdourCanvas::Duple ppos = ev->item->position();
417 ArdourCanvas::Duple gpos = _tmp_poly->position();
421 _tmp_poly->set_position(gpos);
422 _tmp_poly->set(Hit::points(h));
426 MidiGhostRegion::remove_note (NoteBase* note)
428 EventList::iterator f = events.find (note->note());
429 if (f == events.end()) {
436 _optimization_iterator = events.end ();
439 MidiGhostRegion::redisplay_model ()
441 /* we rely on the parent MRV having removed notes not in the model */
442 for (EventList::iterator i = events.begin(); i != events.end(); ) {
444 boost::shared_ptr<NoteType> note = i->first;
445 GhostEvent* cne = i->second;
446 const bool visible = (note->note() >= parent_mrv._current_range_min) &&
447 (note->note() <= parent_mrv._current_range_max);
464 /** Given a note in our parent region (ie the actual MidiRegionView), find our
465 * representation of it.
466 * @return Our Event, or 0 if not found.
469 MidiGhostRegion::GhostEvent *
470 MidiGhostRegion::find_event (boost::shared_ptr<NoteType> parent)
472 /* we are using _optimization_iterator to speed up the common case where a caller
473 is going through our notes in order.
476 if (_optimization_iterator != events.end()) {
477 ++_optimization_iterator;
478 if (_optimization_iterator != events.end() && _optimization_iterator->first == parent) {
479 return _optimization_iterator->second;
483 _optimization_iterator = events.find (parent);
484 if (_optimization_iterator != events.end()) {
485 return _optimization_iterator->second;