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 "ardour_ui.h"
22 #include "automation_time_axis.h"
23 #include "canvas-note.h"
24 #include "ghostregion.h"
25 #include "midi_streamview.h"
26 #include "midi_time_axis.h"
27 #include "rgb_macros.h"
28 #include "simplerect.h"
32 using namespace Editing;
33 using namespace ArdourCanvas;
34 using namespace ARDOUR;
36 PBD::Signal1<void,GhostRegion*> GhostRegion::CatchDeletion;
38 GhostRegion::GhostRegion (ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxisView& source_tv, double initial_pos)
40 , source_trackview (source_tv)
42 group = new ArdourCanvas::Group (*parent);
43 group->property_x() = initial_pos;
44 group->property_y() = 0.0;
46 base_rect = new ArdourCanvas::SimpleRect (*group);
47 base_rect->property_x1() = (double) 0.0;
48 base_rect->property_y1() = (double) 0.0;
49 base_rect->property_y2() = (double) trackview.current_height();
50 base_rect->property_outline_what() = (guint32) 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->property_x2() = units;
77 GhostRegion::set_height ()
79 base_rect->property_y2() = (double) trackview.current_height();
83 GhostRegion::set_colors ()
85 if (is_automation_ghost()) {
86 base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
87 base_rect->property_fill_color_rgba() = 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_samples_per_unit (double spu)
113 for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
114 (*i)->property_samples_per_unit() = spu;
119 AudioGhostRegion::set_height ()
122 vector<WaveView*>::iterator i;
125 GhostRegion::set_height();
127 ht = ((trackview.current_height()) / (double) waves.size());
129 for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
130 gdouble yoff = n * ht;
131 (*i)->property_height() = ht;
132 (*i)->property_y() = yoff;
137 AudioGhostRegion::set_colors ()
139 GhostRegion::set_colors();
142 if (is_automation_ghost()) {
143 fill_color = ARDOUR_UI::config()->canvasvar_GhostTrackWaveFill.get();
146 fill_color = source_track_color(200);
149 for (uint32_t n=0; n < waves.size(); ++n) {
150 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
151 waves[n]->property_fill_color() = fill_color;
152 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
153 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
157 /** The general constructor; called when the destination timeaxisview doesn't have
160 * @param tv TimeAxisView that this ghost region is on.
161 * @param source_tv TimeAxisView that we are the ghost for.
163 MidiGhostRegion::MidiGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos)
164 : GhostRegion(tv.ghost_group(), tv, source_tv, initial_unit_pos)
165 , _optimization_iterator (events.end ())
167 base_rect->lower_to_bottom();
170 midi_view()->NoteRangeChanged.connect (sigc::mem_fun (*this, &MidiGhostRegion::update_range));
174 * @param msv MidiStreamView that this ghost region is on.
175 * @param source_tv TimeAxisView that we are the ghost for.
177 MidiGhostRegion::MidiGhostRegion(MidiStreamView& msv, TimeAxisView& source_tv, double initial_unit_pos)
178 : GhostRegion(msv.midi_underlay_group, msv.trackview(), source_tv, initial_unit_pos)
179 , _optimization_iterator (events.end ())
181 base_rect->lower_to_bottom();
184 midi_view()->NoteRangeChanged.connect (sigc::mem_fun (*this, &MidiGhostRegion::update_range));
187 MidiGhostRegion::~MidiGhostRegion()
192 MidiGhostRegion::Event::Event (ArdourCanvas::CanvasNoteEvent* e, ArdourCanvas::Group* g)
195 rect = new ArdourCanvas::SimpleRect (*g, e->x1(), e->y1(), e->x2(), e->y2());
198 MidiGhostRegion::Event::~Event ()
200 /* event is not ours to delete */
205 MidiGhostRegion::set_samples_per_unit (double /*spu*/)
209 /** @return MidiStreamView that we are providing a ghost for */
211 MidiGhostRegion::midi_view ()
213 StreamView* sv = source_trackview.view ();
215 MidiStreamView* msv = dynamic_cast<MidiStreamView*> (sv);
222 MidiGhostRegion::set_height ()
224 GhostRegion::set_height();
229 MidiGhostRegion::set_colors()
231 guint fill = source_track_color(200);
233 GhostRegion::set_colors();
235 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
236 (*it)->rect->property_fill_color_rgba() = fill;
237 (*it)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get();
242 MidiGhostRegion::update_range ()
244 MidiStreamView* mv = midi_view();
250 double const h = trackview.current_height() / double (mv->contents_note_range ());
252 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
253 uint8_t const note_num = (*it)->event->note()->note();
255 if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
259 double const y = trackview.current_height() - (note_num + 1 - mv->lowest_note()) * h + 1;
260 (*it)->rect->property_y1() = y;
261 (*it)->rect->property_y2() = y + h;
267 MidiGhostRegion::add_note(ArdourCanvas::CanvasNote* n)
269 Event* event = new Event (n, group);
270 events.push_back (event);
272 event->rect->property_fill_color_rgba() = source_track_color(200);
273 event->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get();
275 MidiStreamView* mv = midi_view();
278 const uint8_t note_num = n->note()->note();
280 if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
283 const double y = mv->note_to_y(note_num);
284 event->rect->property_y1() = y;
285 event->rect->property_y2() = y + mv->note_height();
291 MidiGhostRegion::clear_events()
293 for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
298 _optimization_iterator = events.end ();
301 /** Update the x positions of our representation of a parent's note.
302 * @param parent The CanvasNote from the parent MidiRegionView.
305 MidiGhostRegion::update_note (ArdourCanvas::CanvasNote* parent)
307 Event* ev = find_event (parent);
312 double const x1 = parent->property_x1 ();
313 double const x2 = parent->property_x2 ();
314 ev->rect->property_x1 () = x1;
315 ev->rect->property_x2 () = x2;
319 MidiGhostRegion::remove_note (ArdourCanvas::CanvasNoteEvent* note)
321 Event* ev = find_event (note);
328 _optimization_iterator = events.end ();
331 /** Given a note in our parent region (ie the actual MidiRegionView), find our
332 * representation of it.
333 * @return Our Event, or 0 if not found.
336 MidiGhostRegion::Event *
337 MidiGhostRegion::find_event (ArdourCanvas::CanvasNoteEvent* parent)
339 /* we are using _optimization_iterator to speed up the common case where a caller
340 is going through our notes in order.
343 if (_optimization_iterator != events.end()) {
344 ++_optimization_iterator;
347 if (_optimization_iterator != events.end() && (*_optimization_iterator)->event == parent) {
348 return *_optimization_iterator;
351 for (_optimization_iterator = events.begin(); _optimization_iterator != events.end(); ++_optimization_iterator) {
352 if ((*_optimization_iterator)->event == parent) {
353 return *_optimization_iterator;