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"
21 #include "canvas/group.h"
22 #include "canvas/rectangle.h"
23 #include "canvas/wave_view.h"
24 #include "ardour_ui.h"
25 #include "automation_time_axis.h"
26 #include "ghostregion.h"
27 #include "midi_streamview.h"
28 #include "midi_time_axis.h"
29 #include "rgb_macros.h"
33 using namespace Editing;
34 using namespace ArdourCanvas;
35 using namespace ARDOUR;
37 PBD::Signal1<void,GhostRegion*> GhostRegion::CatchDeletion;
39 GhostRegion::GhostRegion (ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxisView& source_tv, double initial_pos)
41 , source_trackview (source_tv)
43 group = new ArdourCanvas::Group (parent);
44 group->set_position (ArdourCanvas::Duple (initial_pos, 0));
46 base_rect = new ArdourCanvas::Rectangle (group);
47 base_rect->set_x0 (0);
48 base_rect->set_y0 (0);
49 base_rect->set_y1 (trackview.current_height());
50 base_rect->set_outline_what (0);
52 if (!is_automation_ghost()) {
56 GhostRegion::set_colors();
58 /* the parent group of a ghostregion is a dedicated group for ghosts,
59 so the new ghost would want to get to the top of that group*/
60 group->raise_to_top ();
63 GhostRegion::~GhostRegion ()
71 GhostRegion::set_duration (double units)
73 base_rect->set_x1 (units);
77 GhostRegion::set_height ()
79 base_rect->set_y1 (trackview.current_height());
83 GhostRegion::set_colors ()
85 if (is_automation_ghost()) {
86 base_rect->set_outline_color (ARDOUR_UI::config()->canvasvar_GhostTrackBase.get());
87 base_rect->set_fill_color (ARDOUR_UI::config()->canvasvar_GhostTrackBase.get());
92 GhostRegion::source_track_color(unsigned char alpha)
94 Gdk::Color color = source_trackview.color();
95 return RGBA_TO_UINT (color.get_red() / 256, color.get_green() / 256, color.get_blue() / 256, alpha);
99 GhostRegion::is_automation_ghost()
101 return (dynamic_cast<AutomationTimeAxisView*>(&trackview)) != 0;
104 AudioGhostRegion::AudioGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos)
105 : GhostRegion(tv.ghost_group(), tv, source_tv, initial_unit_pos)
111 AudioGhostRegion::set_frames_per_pixel (double fpp)
113 for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
114 (*i)->set_frames_per_pixel (fpp);
119 AudioGhostRegion::set_height ()
121 vector<WaveView*>::iterator i;
124 GhostRegion::set_height();
126 double const ht = ((trackview.current_height()) / (double) waves.size());
128 for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
129 (*i)->set_height (ht);
130 (*i)->set_y_position (n * ht);
135 AudioGhostRegion::set_colors ()
137 GhostRegion::set_colors();
140 if (is_automation_ghost()) {
141 fill_color = ARDOUR_UI::config()->canvasvar_GhostTrackWaveFill.get();
144 fill_color = source_track_color(200);
147 for (uint32_t n=0; n < waves.size(); ++n) {
148 waves[n]->set_outline_color (ARDOUR_UI::config()->canvasvar_GhostTrackWave.get());
149 waves[n]->set_fill_color (fill_color);
150 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
151 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
155 /** The general constructor; called when the destination timeaxisview doesn't have
158 * @param tv TimeAxisView that this ghost region is on.
159 * @param source_tv TimeAxisView that we are the ghost for.
161 MidiGhostRegion::MidiGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos)
162 : GhostRegion(tv.ghost_group(), tv, source_tv, initial_unit_pos)
163 , _optimization_iterator (events.end ())
165 base_rect->lower_to_bottom();
168 midi_view()->NoteRangeChanged.connect (sigc::mem_fun (*this, &MidiGhostRegion::update_range));
172 * @param msv MidiStreamView that this ghost region is on.
173 * @param source_tv TimeAxisView that we are the ghost for.
175 MidiGhostRegion::MidiGhostRegion(MidiStreamView& msv, TimeAxisView& source_tv, double initial_unit_pos)
176 : GhostRegion(msv.midi_underlay_group, msv.trackview(), source_tv, initial_unit_pos)
177 , _optimization_iterator (events.end ())
179 base_rect->lower_to_bottom();
182 midi_view()->NoteRangeChanged.connect (sigc::mem_fun (*this, &MidiGhostRegion::update_range));
185 MidiGhostRegion::~MidiGhostRegion()
190 MidiGhostRegion::GhostEvent::GhostEvent (NoteBase* e, ArdourCanvas::Group* g)
193 rect = new ArdourCanvas::Rectangle (g, ArdourCanvas::Rect (e->x0(), e->y0(), e->x1(), e->y1()));
196 MidiGhostRegion::GhostEvent::~GhostEvent ()
198 /* event is not ours to delete */
203 MidiGhostRegion::set_frames_per_pixel (double /*spu*/)
207 /** @return MidiStreamView that we are providing a ghost for */
209 MidiGhostRegion::midi_view ()
211 StreamView* sv = source_trackview.view ();
213 MidiStreamView* msv = dynamic_cast<MidiStreamView*> (sv);
220 MidiGhostRegion::set_height ()
222 GhostRegion::set_height();
227 MidiGhostRegion::set_colors()
229 guint fill = source_track_color(200);
231 GhostRegion::set_colors();
233 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
234 (*it)->rect->set_fill_color (fill);
235 (*it)->rect->set_outline_color (ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get());
240 MidiGhostRegion::update_range ()
242 MidiStreamView* mv = midi_view();
248 double const h = trackview.current_height() / double (mv->contents_note_range ());
250 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
251 uint8_t const note_num = (*it)->event->note()->note();
253 if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
257 double const y = trackview.current_height() - (note_num + 1 - mv->lowest_note()) * h + 1;
258 (*it)->rect->set_y0 (y);
259 (*it)->rect->set_y1 (y + h);
265 MidiGhostRegion::add_note (NoteBase* n)
267 GhostEvent* event = new GhostEvent (n, group);
268 events.push_back (event);
270 event->rect->set_fill_color (source_track_color(200));
271 event->rect->set_outline_color (ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get());
273 MidiStreamView* mv = midi_view();
276 const uint8_t note_num = n->note()->note();
278 if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
281 const double y = mv->note_to_y(note_num);
282 event->rect->set_y0 (y);
283 event->rect->set_y1 (y + mv->note_height());
289 MidiGhostRegion::clear_events()
291 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
296 _optimization_iterator = events.end ();
299 /** Update the x positions of our representation of a parent's note.
300 * @param parent The CanvasNote from the parent MidiRegionView.
303 MidiGhostRegion::update_note (NoteBase* parent)
305 GhostEvent* ev = find_event (parent);
310 double const x1 = parent->x0 ();
311 double const x2 = parent->x1 ();
312 ev->rect->set_x0 (x1);
313 ev->rect->set_x1 (x2);
317 MidiGhostRegion::remove_note (NoteBase* note)
319 GhostEvent* ev = find_event (note);
326 _optimization_iterator = events.end ();
329 /** Given a note in our parent region (ie the actual MidiRegionView), find our
330 * representation of it.
331 * @return Our Event, or 0 if not found.
334 MidiGhostRegion::GhostEvent *
335 MidiGhostRegion::find_event (NoteBase* parent)
337 /* we are using _optimization_iterator to speed up the common case where a caller
338 is going through our notes in order.
341 if (_optimization_iterator != events.end()) {
342 ++_optimization_iterator;
345 if (_optimization_iterator != events.end() && (*_optimization_iterator)->event == parent) {
346 return *_optimization_iterator;
349 for (_optimization_iterator = events.begin(); _optimization_iterator != events.end(); ++_optimization_iterator) {
350 if ((*_optimization_iterator)->event == parent) {
351 return *_optimization_iterator;