2 Copyright (C) 2001-2007 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.
25 #include <gtkmm2ext/gtk_ui.h>
27 #include "ardour/midi_diskstream.h"
28 #include "ardour/midi_playlist.h"
29 #include "ardour/midi_region.h"
30 #include "ardour/midi_source.h"
31 #include "ardour/midi_track.h"
32 #include "ardour/region_factory.h"
33 #include "ardour/smf_source.h"
34 #include "ardour/session.h"
36 #include "ardour_ui.h"
37 #include "canvas-simplerect.h"
38 #include "global_signals.h"
39 #include "gui_thread.h"
41 #include "midi_region_view.h"
42 #include "midi_streamview.h"
43 #include "midi_time_axis.h"
44 #include "midi_util.h"
45 #include "public_editor.h"
46 #include "region_selection.h"
47 #include "region_view.h"
48 #include "rgb_macros.h"
49 #include "selection.h"
50 #include "simplerect.h"
54 using namespace ARDOUR
;
56 using namespace Editing
;
58 MidiStreamView::MidiStreamView (MidiTimeAxisView
& tv
)
60 , note_range_adjustment(0.0f
, 0.0f
, 0.0f
)
62 , _range_sum_cache(-1.0)
69 /* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
70 midi_underlay_group
= new ArdourCanvas::Group (*_canvas_group
);
71 midi_underlay_group
->lower_to_bottom();
73 /* put the note lines in the timeaxisview's group, so it
74 can be put below ghost regions from MIDI underlays*/
75 _note_lines
= new ArdourCanvas::LineSet(*_canvas_group
, ArdourCanvas::LineSet::Horizontal
);
77 _note_lines
->property_x1() = 0;
78 _note_lines
->property_y1() = 0;
79 _note_lines
->property_x2() = DBL_MAX
;
80 _note_lines
->property_y2() = 0;
82 _note_lines
->signal_event().connect(sigc::bind(
83 sigc::mem_fun(_trackview
.editor(), &PublicEditor::canvas_stream_view_event
),
84 _note_lines
, &_trackview
));
86 _note_lines
->lower_to_bottom();
90 ColorsChanged
.connect(sigc::mem_fun(*this, &MidiStreamView::color_handler
));
92 note_range_adjustment
.set_page_size(_highest_note
- _lowest_note
);
93 note_range_adjustment
.set_value(_lowest_note
);
95 note_range_adjustment
.signal_value_changed().connect(
96 sigc::mem_fun(*this, &MidiStreamView::note_range_adjustment_changed
));
99 MidiStreamView::~MidiStreamView ()
104 veto_note_range(uint8_t& min
, uint8_t& max
)
106 /* Legal notes, thanks */
110 /* Always display at least one octave in [0, 127] */
112 if (min
> (127 - 11)) {
115 } else if (max
< min
+ 11) {
116 uint8_t d
= 11 - (max
- min
);
117 if (max
+ d
/2 > 127) {
124 assert(max
- min
>= 11);
130 MidiStreamView::create_region_view (boost::shared_ptr
<Region
> r
, bool /*wfd*/, bool)
132 boost::shared_ptr
<MidiRegion
> region
= boost::dynamic_pointer_cast
<MidiRegion
> (r
);
138 RegionView
* region_view
= new MidiRegionView (_canvas_group
, _trackview
, region
,
139 _samples_per_unit
, region_color
);
141 region_view
->init (region_color
, false);
147 MidiStreamView::add_region_view_internal (boost::shared_ptr
<Region
> r
, bool wfd
, bool recording
)
149 boost::shared_ptr
<MidiRegion
> region
= boost::dynamic_pointer_cast
<MidiRegion
> (r
);
155 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
156 if ((*i
)->region() == r
) {
158 /* great. we already have a MidiRegionView for this Region. use it again. */
160 (*i
)->set_valid (true);
162 display_region(dynamic_cast<MidiRegionView
*>(*i
), wfd
);
168 MidiRegionView
* region_view
= dynamic_cast<MidiRegionView
*> (create_region_view (r
, wfd
, recording
));
169 if (region_view
== 0) {
173 region_views
.push_front (region_view
);
175 /* display events and find note range */
176 display_region (region_view
, wfd
);
178 /* catch regionview going away */
179 region
->DropReferences
.connect (*this, invalidator (*this), boost::bind (&MidiStreamView::remove_region_view
, this, region
), gui_context());
181 RegionViewAdded (region_view
);
187 MidiStreamView::display_region(MidiRegionView
* region_view
, bool load_model
)
192 region_view
->enable_display(true);
194 boost::shared_ptr
<MidiSource
> source(region_view
->midi_region()->midi_source(0));
197 source
->load_model();
200 _range_dirty
= update_data_note_range(
201 source
->model()->lowest_note(),
202 source
->model()->highest_note());
204 // Display region contents
205 region_view
->set_height (child_height());
206 region_view
->display_model(source
->model());
210 MidiStreamView::display_track (boost::shared_ptr
<Track
> tr
)
212 StreamView::display_track (tr
);
220 MidiStreamView::update_contents_metrics(boost::shared_ptr
<Region
> r
)
222 boost::shared_ptr
<MidiRegion
> mr
= boost::dynamic_pointer_cast
<MidiRegion
>(r
);
224 mr
->midi_source(0)->load_model();
225 _range_dirty
= update_data_note_range(
226 mr
->model()->lowest_note(),
227 mr
->model()->highest_note());
232 MidiStreamView::update_data_note_range(uint8_t min
, uint8_t max
)
235 if (min
< _data_note_min
) {
236 _data_note_min
= min
;
239 if (max
> _data_note_max
) {
240 _data_note_max
= max
;
247 MidiStreamView::redisplay_track ()
249 if (!_trackview
.is_midi_track()) {
253 list
<RegionView
*>::iterator i
;
255 // Load models if necessary, and find note range of all our contents
256 _range_dirty
= false;
257 _data_note_min
= 127;
259 _trackview
.track()->playlist()->foreach_region(
260 sigc::mem_fun (*this, &StreamView::update_contents_metrics
)
263 // No notes, use default range
269 // Extend visible range to show newly recorded data, if necessary
270 _lowest_note
= std::min(_lowest_note
, _data_note_min
);
271 _highest_note
= std::max(_highest_note
, _data_note_max
);
273 veto_note_range(_lowest_note
, _highest_note
);
275 // Flag region views as invalid and disable drawing
276 for (i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
277 (*i
)->set_valid(false);
278 (*i
)->enable_display(false);
281 // Add and display region views, and flag them as valid
282 _trackview
.track()->playlist()->foreach_region(
283 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view
))
286 // Stack regions by layer, and remove invalid regions
289 // Update note range (not regions which are correct) and draw note lines
290 apply_note_range(_lowest_note
, _highest_note
, false);
295 MidiStreamView::update_contents_height ()
297 StreamView::update_contents_height();
298 _note_lines
->property_y2() = child_height ();
300 apply_note_range (lowest_note(), highest_note(), true);
304 MidiStreamView::draw_note_lines()
311 double prev_y
= contents_height();
314 _note_lines
->clear();
316 if (child_height() < 140){
320 for (int i
= lowest_note(); i
<= highest_note(); ++i
) {
321 y
= floor(note_to_y(i
));
323 _note_lines
->add_line(prev_y
, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline
.get());
331 color
= ARDOUR_UI::config()->canvasvar_PianoRollBlack
.get();
334 color
= ARDOUR_UI::config()->canvasvar_PianoRollWhite
.get();
338 if (i
== highest_note()) {
339 _note_lines
->add_line(y
, prev_y
- y
, color
);
341 _note_lines
->add_line(y
+ 1.0, prev_y
- y
- 1.0, color
);
349 MidiStreamView::set_note_range(VisibleNoteRange r
)
351 if (r
== FullRange
) {
355 _lowest_note
= _data_note_min
;
356 _highest_note
= _data_note_max
;
359 apply_note_range(_lowest_note
, _highest_note
, true);
363 MidiStreamView::apply_note_range(uint8_t lowest
, uint8_t highest
, bool to_region_views
)
365 _highest_note
= highest
;
366 _lowest_note
= lowest
;
368 int const range
= _highest_note
- _lowest_note
;
369 int const pixels_per_note
= floor (child_height () / range
);
371 /* do not grow note height beyond 10 pixels */
372 if (pixels_per_note
> 10) {
374 int const available_note_range
= floor (child_height() / 10);
375 int additional_notes
= available_note_range
- range
;
377 /* distribute additional notes to higher and lower ranges, clamp at 0 and 127 */
378 for (int i
= 0; i
< additional_notes
; i
++){
380 if (i
% 2 && _highest_note
< 127){
386 else if (_lowest_note
> 0){
395 note_range_adjustment
.set_page_size(_highest_note
- _lowest_note
);
396 note_range_adjustment
.set_value(_lowest_note
);
400 if (to_region_views
) {
401 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
402 ((MidiRegionView
*)(*i
))->apply_note_range(_lowest_note
, _highest_note
);
410 MidiStreamView::update_note_range(uint8_t note_num
)
412 assert(note_num
<= 127);
413 _data_note_min
= min(_data_note_min
, note_num
);
414 _data_note_max
= max(_data_note_max
, note_num
);
418 MidiStreamView::setup_rec_box ()
420 // cerr << _trackview.name() << " streamview SRB\n";
422 if (_trackview
.session()->transport_rolling()) {
425 _trackview
.session()->record_status() == Session::Recording
&&
426 _trackview
.track()->record_enabled()) {
428 if (Config
->get_show_waveforms_while_recording() && rec_regions
.size() == rec_rects
.size()) {
430 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
432 MidiRegion::SourceList sources
;
434 rec_data_ready_connections
.drop_connections ();
436 sources
.push_back (_trackview
.midi_track()->write_source());
440 framepos_t start
= 0;
441 if (rec_regions
.size() > 0) {
442 start
= rec_regions
.back().first
->start()
443 + _trackview
.track()->get_captured_frames(rec_regions
.size()-1);
446 if (!rec_regions
.empty()) {
447 MidiRegionView
* mrv
= dynamic_cast<MidiRegionView
*> (rec_regions
.back().second
);
453 plist
.add (ARDOUR::Properties::start
, start
);
454 plist
.add (ARDOUR::Properties::length
, 1);
455 plist
.add (ARDOUR::Properties::name
, string());
456 plist
.add (ARDOUR::Properties::layer
, 0);
458 boost::shared_ptr
<MidiRegion
> region (boost::dynamic_pointer_cast
<MidiRegion
>
459 (RegionFactory::create (sources
, plist
, false)));
462 region
->set_start (_trackview
.track()->current_capture_start() - _trackview
.track()->get_capture_start_frame (0), this);
463 region
->set_position (_trackview
.track()->current_capture_start(), this);
464 RegionView
* rv
= add_region_view_internal (region
, false);
465 MidiRegionView
* mrv
= dynamic_cast<MidiRegionView
*> (rv
);
468 rec_regions
.push_back (make_pair (region
, rv
));
470 // rec regions are destroyed in setup_rec_box
472 /* we add the region later */
474 setup_new_rec_layer_time (region
);
477 /* start a new rec box */
479 boost::shared_ptr
<MidiTrack
> mt
= _trackview
.midi_track(); /* we know what it is already */
480 framepos_t
const frame_pos
= mt
->current_capture_start ();
481 gdouble
const xstart
= _trackview
.editor().frame_to_pixel (frame_pos
);
482 gdouble
const xend
= xstart
;
485 assert(_trackview
.midi_track()->mode() == Normal
);
487 fill_color
= ARDOUR_UI::config()->canvasvar_RecordingRect
.get();
489 ArdourCanvas::SimpleRect
* rec_rect
= new Gnome::Canvas::SimpleRect (*_canvas_group
);
490 rec_rect
->property_x1() = xstart
;
491 rec_rect
->property_y1() = 1.0;
492 rec_rect
->property_x2() = xend
;
493 rec_rect
->property_y2() = (double) _trackview
.current_height() - 1;
494 rec_rect
->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect
.get();
495 rec_rect
->property_fill_color_rgba() = fill_color
;
496 rec_rect
->lower_to_bottom();
499 recbox
.rectangle
= rec_rect
;
500 recbox
.start
= _trackview
.session()->transport_frame();
503 rec_rects
.push_back (recbox
);
505 screen_update_connection
.disconnect();
506 screen_update_connection
= ARDOUR_UI::instance()->SuperRapidScreenUpdate
.connect (
507 sigc::mem_fun (*this, &MidiStreamView::update_rec_box
));
511 } else if (rec_active
&&
512 (_trackview
.session()->record_status() != Session::Recording
||
513 !_trackview
.track()->record_enabled())) {
514 screen_update_connection
.disconnect();
516 rec_updating
= false;
521 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
523 if (!rec_rects
.empty() || !rec_regions
.empty()) {
525 /* disconnect rapid update */
526 screen_update_connection
.disconnect();
527 rec_data_ready_connections
.drop_connections ();
529 rec_updating
= false;
532 /* remove temp regions */
534 for (list
<pair
<boost::shared_ptr
<Region
>,RegionView
*> >::iterator iter
= rec_regions
.begin(); iter
!= rec_regions
.end();) {
535 list
<pair
<boost::shared_ptr
<Region
>,RegionView
*> >::iterator tmp
;
540 (*iter
).first
->drop_references ();
547 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
549 /* transport stopped, clear boxes */
550 for (vector
<RecBoxInfo
>::iterator iter
=rec_rects
.begin(); iter
!= rec_rects
.end(); ++iter
) {
551 RecBoxInfo
&rect
= (*iter
);
552 delete rect
.rectangle
;
562 MidiStreamView::color_handler ()
566 if (_trackview
.is_midi_track()) {
567 canvas_rect
->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase
.get();
569 canvas_rect
->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase
.get();;
574 MidiStreamView::note_range_adjustment_changed()
576 double sum
= note_range_adjustment
.get_value() + note_range_adjustment
.get_page_size();
577 int lowest
= (int) floor(note_range_adjustment
.get_value());
580 if (sum
== _range_sum_cache
) {
581 //cerr << "cached" << endl;
582 highest
= (int) floor(sum
);
584 //cerr << "recalc" << endl;
585 highest
= lowest
+ (int) floor(note_range_adjustment
.get_page_size());
586 _range_sum_cache
= sum
;
589 if (lowest
== _lowest_note
&& highest
== _highest_note
) {
593 //cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
594 //cerr << " val=" << v_zoom_adjustment.get_value() << " page=" << v_zoom_adjustment.get_page_size() << " sum=" << v_zoom_adjustment.get_value() + v_zoom_adjustment.get_page_size() << endl;
596 _lowest_note
= lowest
;
597 _highest_note
= highest
;
598 apply_note_range(lowest
, highest
, true);
602 MidiStreamView::update_rec_box ()
604 StreamView::update_rec_box ();
606 if (rec_regions
.empty()) {
610 /* Update the region being recorded to reflect where we currently are */
611 boost::shared_ptr
<ARDOUR::Region
> region
= rec_regions
.back().first
;
612 region
->set_length (_trackview
.track()->current_capture_end () - _trackview
.track()->current_capture_start(), this);
614 MidiRegionView
* mrv
= dynamic_cast<MidiRegionView
*> (rec_regions
.back().second
);
615 mrv
->extend_active_notes ();