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 "ardour/parameter_descriptor.h"
22 #include "evoral/Note.hpp"
23 #include "canvas/container.h"
24 #include "canvas/polygon.h"
25 #include "canvas/rectangle.h"
26 #include "canvas/wave_view.h"
27 #include "canvas/debug.h"
29 #include "automation_time_axis.h"
30 #include "ghostregion.h"
31 #include "midi_streamview.h"
32 #include "midi_time_axis.h"
33 #include "region_view.h"
34 #include "midi_region_view.h"
35 #include "rgb_macros.h"
38 #include "ui_config.h"
41 using namespace Editing;
42 using namespace ArdourCanvas;
43 using namespace ARDOUR;
45 GhostRegion::GhostRegion(RegionView& rv,
46 ArdourCanvas::Container* parent,
48 TimeAxisView& source_tv,
52 , source_trackview(source_tv)
54 group = new ArdourCanvas::Container (parent);
55 CANVAS_DEBUG_NAME (group, "ghost region");
56 group->set_position (ArdourCanvas::Duple (initial_pos, 0));
58 base_rect = new ArdourCanvas::Rectangle (group);
59 CANVAS_DEBUG_NAME (base_rect, "ghost region rect");
60 base_rect->set_x0 (0);
61 base_rect->set_y0 (1.0);
62 base_rect->set_y1 (trackview.current_height());
63 base_rect->set_outline (false);
65 if (!is_automation_ghost()) {
69 GhostRegion::set_colors();
71 /* the parent group of a ghostregion is a dedicated group for ghosts,
72 so the new ghost would want to get to the top of that group*/
73 group->raise_to_top ();
76 GhostRegion::~GhostRegion ()
78 parent_rv.remove_ghost(this);
79 trackview.erase_ghost(this);
85 GhostRegion::set_duration (double units)
87 base_rect->set_x1 (units);
91 GhostRegion::set_height ()
93 base_rect->set_y1 (trackview.current_height());
97 GhostRegion::set_colors ()
99 if (is_automation_ghost()) {
100 base_rect->set_fill_color (UIConfiguration::instance().color_mod ("ghost track base", "ghost track base"));
105 GhostRegion::source_track_color(unsigned char alpha)
107 Gdk::Color color = source_trackview.color();
108 return RGBA_TO_UINT (color.get_red() / 256, color.get_green() / 256, color.get_blue() / 256, alpha);
112 GhostRegion::is_automation_ghost()
114 return (dynamic_cast<AutomationTimeAxisView*>(&trackview)) != 0;
117 AudioGhostRegion::AudioGhostRegion(RegionView& rv,
119 TimeAxisView& source_tv,
120 double initial_unit_pos)
121 : GhostRegion(rv, tv.ghost_group(), tv, source_tv, initial_unit_pos)
127 AudioGhostRegion::set_samples_per_pixel (double fpp)
129 for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
130 (*i)->set_samples_per_pixel (fpp);
135 AudioGhostRegion::set_height ()
137 vector<WaveView*>::iterator i;
140 GhostRegion::set_height();
142 double const ht = ((trackview.current_height()) / (double) waves.size());
144 for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
145 (*i)->set_height (ht);
146 (*i)->set_y_position (n * ht);
151 AudioGhostRegion::set_colors ()
153 GhostRegion::set_colors();
156 if (is_automation_ghost()) {
157 fill_color = UIConfiguration::instance().color ("ghost track wave fill");
160 fill_color = source_track_color(200);
163 for (uint32_t n=0; n < waves.size(); ++n) {
164 waves[n]->set_outline_color (UIConfiguration::instance().color ("ghost track wave"));
165 waves[n]->set_fill_color (fill_color);
166 waves[n]->set_clip_color (UIConfiguration::instance().color ("ghost track wave clip"));
167 waves[n]->set_zero_color (UIConfiguration::instance().color ("ghost track zero line"));
171 /** The general constructor; called when the destination timeaxisview doesn't have
174 * @param rv The parent RegionView that is being ghosted.
175 * @param tv TimeAxisView that this ghost region is on.
176 * @param source_tv TimeAxisView that we are the ghost for.
178 MidiGhostRegion::MidiGhostRegion(MidiRegionView& rv,
180 TimeAxisView& source_tv,
181 double initial_unit_pos)
182 : GhostRegion(rv, tv.ghost_group(), tv, source_tv, initial_unit_pos)
183 , _note_group (new ArdourCanvas::Container (group))
185 , _optimization_iterator(events.end())
187 _outline = UIConfiguration::instance().color ("ghost track midi outline");
189 base_rect->lower_to_bottom();
193 * @param rv The parent RegionView being ghosted.
194 * @param msv MidiStreamView that this ghost region is on.
195 * @param source_tv TimeAxisView that we are the ghost for.
197 MidiGhostRegion::MidiGhostRegion(MidiRegionView& rv,
199 TimeAxisView& source_tv,
200 double initial_unit_pos)
202 msv.midi_underlay_group,
206 , _note_group (new ArdourCanvas::Container (group))
208 , _optimization_iterator(events.end())
210 _outline = UIConfiguration::instance().color ("ghost track midi outline");
212 base_rect->lower_to_bottom();
215 MidiGhostRegion::~MidiGhostRegion()
221 MidiGhostRegion::GhostEvent::GhostEvent (NoteBase* e, ArdourCanvas::Container* g)
225 if (dynamic_cast<Note*>(e)) {
226 item = new ArdourCanvas::Rectangle(
227 g, ArdourCanvas::Rect(e->x0(), e->y0(), e->x1(), e->y1()));
230 Hit* hit = dynamic_cast<Hit*>(e);
234 ArdourCanvas::Polygon* poly = new ArdourCanvas::Polygon(g);
235 poly->set(Hit::points(e->y1() - e->y0()));
236 poly->set_position(hit->position());
241 CANVAS_DEBUG_NAME (item, "ghost note item");
244 MidiGhostRegion::GhostEvent::~GhostEvent ()
246 /* event is not ours to delete */
251 MidiGhostRegion::set_samples_per_pixel (double /*spu*/)
255 /** @return MidiStreamView that we are providing a ghost for */
257 MidiGhostRegion::midi_view ()
259 StreamView* sv = source_trackview.view ();
261 MidiStreamView* msv = dynamic_cast<MidiStreamView*> (sv);
268 MidiGhostRegion::set_height ()
270 GhostRegion::set_height();
271 update_contents_height ();
275 MidiGhostRegion::set_colors()
277 GhostRegion::set_colors();
278 _outline = UIConfiguration::instance().color ("ghost track midi outline");
280 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
281 it->second->item->set_fill_color (UIConfiguration::instance().color_mod((*it).second->event->base_color(), "ghost track midi fill"));
282 it->second->item->set_outline_color (_outline);
287 note_height(TimeAxisView& trackview, MidiStreamView* mv)
289 const double tv_height = trackview.current_height();
290 const double note_range = mv->contents_note_range();
292 return std::max(1.0, floor(tv_height / note_range - 1.0));
296 note_y(TimeAxisView& trackview, MidiStreamView* mv, uint8_t note_num)
298 const double tv_height = trackview.current_height();
299 const double note_range = mv->contents_note_range();
300 const double s = tv_height / note_range;
302 return tv_height - (note_num + 1 - mv->lowest_note()) * s;
306 MidiGhostRegion::update_contents_height ()
308 MidiStreamView* mv = midi_view();
314 double const h = note_height(trackview, mv);
316 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
317 uint8_t const note_num = it->second->event->note()->note();
319 double const y = note_y(trackview, mv, note_num);
321 if (!it->second->is_hit) {
322 _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(it->second->item);
323 _tmp_rect->set (ArdourCanvas::Rect (_tmp_rect->x0(), y, _tmp_rect->x1(), y + h));
325 _tmp_poly = static_cast<ArdourCanvas::Polygon*>(it->second->item);
326 Duple position = _tmp_poly->position();
328 _tmp_poly->set_position(position);
329 _tmp_poly->set(Hit::points(h));
335 MidiGhostRegion::add_note (NoteBase* n)
337 GhostEvent* event = new GhostEvent (n, _note_group);
338 events.insert (make_pair (n->note(), event));
340 event->item->set_fill_color (UIConfiguration::instance().color_mod(n->base_color(), "ghost track midi fill"));
341 event->item->set_outline_color (_outline);
343 MidiStreamView* mv = midi_view();
347 if (!n->item()->visible()) {
350 uint8_t const note_num = n->note()->note();
351 double const h = note_height(trackview, mv);
352 double const y = note_y(trackview, mv, note_num);
353 if (!event->is_hit) {
354 _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(event->item);
355 _tmp_rect->set (ArdourCanvas::Rect (_tmp_rect->x0(), y, _tmp_rect->x1(), y + h));
357 _tmp_poly = static_cast<ArdourCanvas::Polygon*>(event->item);
358 Duple position = _tmp_poly->position();
360 _tmp_poly->set_position(position);
361 _tmp_poly->set(Hit::points(h));
368 MidiGhostRegion::clear_events()
370 _note_group->clear (true);
372 _optimization_iterator = events.end();
375 /** Update the positions of our representation of a note.
376 * @param ev The GhostEvent from the parent MidiRegionView.
379 MidiGhostRegion::update_note (GhostEvent* ev)
381 MidiStreamView* mv = midi_view();
387 _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(ev->item);
389 uint8_t const note_num = ev->event->note()->note();
390 double const y = note_y(trackview, mv, note_num);
391 double const h = note_height(trackview, mv);
393 _tmp_rect->set (ArdourCanvas::Rect (ev->event->x0(), y, ev->event->x1(), y + h));
396 /** Update the positions of our representation of a parent's hit.
397 * @param ev The GhostEvent from the parent MidiRegionView.
400 MidiGhostRegion::update_hit (GhostEvent* ev)
402 MidiStreamView* mv = midi_view();
408 _tmp_poly = static_cast<ArdourCanvas::Polygon*>(ev->item);
410 uint8_t const note_num = ev->event->note()->note();
411 double const h = note_height(trackview, mv);
412 double const y = note_y(trackview, mv, note_num);
414 ArdourCanvas::Duple ppos = ev->item->position();
415 ArdourCanvas::Duple gpos = _tmp_poly->position();
419 _tmp_poly->set_position(gpos);
420 _tmp_poly->set(Hit::points(h));
424 MidiGhostRegion::remove_note (NoteBase* note)
426 EventList::iterator f = events.find (note->note());
427 if (f == events.end()) {
434 _optimization_iterator = events.end ();
437 MidiGhostRegion::redisplay_model ()
439 /* we rely on the parent MRV having removed notes not in the model */
440 for (EventList::iterator i = events.begin(); i != events.end(); ) {
442 boost::shared_ptr<NoteType> note = i->first;
443 GhostEvent* cne = i->second;
444 const bool visible = (note->note() >= parent_mrv._current_range_min) &&
445 (note->note() <= parent_mrv._current_range_max);
462 /** Given a note in our parent region (ie the actual MidiRegionView), find our
463 * representation of it.
464 * @return Our Event, or 0 if not found.
467 MidiGhostRegion::GhostEvent *
468 MidiGhostRegion::find_event (boost::shared_ptr<NoteType> parent)
470 /* we are using _optimization_iterator to speed up the common case where a caller
471 is going through our notes in order.
474 if (_optimization_iterator != events.end()) {
475 ++_optimization_iterator;
476 if (_optimization_iterator != events.end() && _optimization_iterator->first == parent) {
477 return _optimization_iterator->second;
481 _optimization_iterator = events.find (parent);
482 if (_optimization_iterator != events.end()) {
483 return _optimization_iterator->second;