2 Copyright (C) 2001, 2006 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.
23 #include <gtkmm2ext/gtk_ui.h>
24 #include <gtkmm2ext/utils.h>
26 #include "ardour/playlist.h"
27 #include "ardour/region.h"
28 #include "ardour/track.h"
29 #include "ardour/session.h"
31 #include "pbd/compose.h"
33 #include "canvas/rectangle.h"
34 #include "canvas/debug.h"
36 #include "streamview.h"
37 #include "region_view.h"
38 #include "route_time_axis.h"
39 #include "region_selection.h"
40 #include "selection.h"
41 #include "public_editor.h"
43 #include "rgb_macros.h"
44 #include "gui_thread.h"
45 #include "ui_config.h"
51 using namespace ARDOUR;
52 using namespace ARDOUR_UI_UTILS;
54 using namespace Editing;
56 StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Container* canvas_group)
58 , _canvas_group (canvas_group ? canvas_group : new ArdourCanvas::Container (_trackview.canvas_display()))
59 , _samples_per_pixel (_trackview.editor().get_current_zoom ())
62 , stream_base_color(0xFFFFFFFF)
64 , _layer_display (Overlaid)
66 , last_rec_data_sample(0)
68 CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group %1", _trackview.name()));
70 /* set_position() will position the group */
72 canvas_rect = new ArdourCanvas::Rectangle (_canvas_group);
73 CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle %1", _trackview.name()));
74 canvas_rect->set (ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, tv.current_height ()));
75 canvas_rect->set_outline (false);
76 canvas_rect->set_fill (true);
77 canvas_rect->Event.connect (sigc::bind (sigc::mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
79 if (_trackview.is_track()) {
80 _trackview.track()->rec_enable_control()->Changed.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed, this), gui_context());
82 _trackview.session()->TransportStateChange.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed, this), gui_context());
83 _trackview.session()->TransportLooped.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped, this), gui_context());
84 _trackview.session()->RecordStateChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
87 UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
90 StreamView::~StreamView ()
100 if (_trackview.is_track()) {
101 display_track (_trackview.track ());
106 StreamView::set_position (gdouble x, gdouble y)
108 _canvas_group->set_position (ArdourCanvas::Duple (x, y));
113 StreamView::set_height (double h)
115 /* limit the values to something sane-ish */
117 if (h < 10.0 || h > 1000.0) {
126 canvas_rect->set_y1 (height);
127 update_contents_height ();
133 StreamView::set_samples_per_pixel (double fpp)
135 RegionViewList::iterator i;
141 if (fpp == _samples_per_pixel) {
145 _samples_per_pixel = fpp;
147 for (i = region_views.begin(); i != region_views.end(); ++i) {
148 (*i)->set_samples_per_pixel (fpp);
151 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
152 RecBoxInfo &recbox = (*xi);
154 ArdourCanvas::Coord const xstart = _trackview.editor().sample_to_pixel (recbox.start);
155 ArdourCanvas::Coord const xend = _trackview.editor().sample_to_pixel (recbox.start + recbox.length);
157 recbox.rectangle->set_x0 (xstart);
158 recbox.rectangle->set_x1 (xend);
161 update_coverage_samples ();
167 StreamView::add_region_view (boost::weak_ptr<Region> wr)
169 boost::shared_ptr<Region> r (wr.lock());
174 add_region_view_internal (r, true);
176 if (_layer_display == Stacked || _layer_display == Expanded) {
177 update_contents_height ();
182 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
184 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
186 boost::shared_ptr<Region> r (weak_r.lock());
192 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
193 if (((*i)->region()) == r) {
195 region_views.erase (i);
201 RegionViewRemoved (); /* EMIT SIGNAL */
205 StreamView::undisplay_track ()
207 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
208 RegionViewList::iterator next = i;
214 region_views.clear();
218 StreamView::display_track (boost::shared_ptr<Track> tr)
220 playlist_switched_connection.disconnect();
221 playlist_switched (tr);
222 tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
226 StreamView::layer_regions()
228 // In one traversal of the region view list:
229 // - Build a list of region views sorted by layer
230 // - Remove invalid views from the actual region view list
232 list<RegionView*>::iterator i, tmp;
233 for (i = region_views.begin(); i != region_views.end(); ) {
237 if (!(*i)->is_valid()) {
239 region_views.erase (i);
243 (*i)->enable_display(true);
246 if (copy.size() == 0) {
247 copy.push_front((*i));
252 RegionViewList::iterator k = copy.begin();
253 RegionViewList::iterator l = copy.end();
256 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
257 copy.push_front((*i));
260 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
261 copy.push_back((*i));
266 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
267 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
268 copy.insert(j, (*i));
276 // Fix canvas layering by raising each to the top in the sorted order.
277 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
278 (*i)->get_canvas_group()->raise_to_top ();
283 StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
285 boost::shared_ptr<Track> tr (wtr.lock());
291 /* update layers count and the y positions and heights of our regions */
292 if (tr->playlist()) {
293 _layers = tr->playlist()->top_layer() + 1;
296 if (_layer_display == Stacked) {
297 update_contents_height ();
298 /* tricky. playlist_changed() does this as well, and its really inefficient. */
299 update_coverage_samples ();
301 /* layering has probably been modified. reflect this in the canvas. */
307 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
309 boost::shared_ptr<Track> tr (wtr.lock());
315 /* disconnect from old playlist */
317 playlist_connections.drop_connections ();
318 //undisplay_track ();
321 tr->playlist()->freeze();
323 tr->playlist()->thaw();
324 /* update layers count and the y positions and heights of our regions */
325 _layers = tr->playlist()->top_layer() + 1;
326 update_contents_height ();
327 update_coverage_samples ();
331 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
332 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::add_region_view, this, _1), gui_context());
333 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::remove_region_view, this, _1), gui_context());
334 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::update_coverage_samples, this), gui_context());
339 StreamView::diskstream_changed ()
341 boost::shared_ptr<Track> t;
343 if ((t = _trackview.track()) != 0) {
344 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
346 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
351 StreamView::apply_color (Gdk::Color const& c, ColorTarget target)
353 return apply_color (gdk_color_to_rgba (c), target);
357 StreamView::apply_color (uint32_t color, ColorTarget target)
359 list<RegionView *>::iterator i;
363 region_color = color;
364 for (i = region_views.begin(); i != region_views.end(); ++i) {
365 (*i)->set_color (region_color);
369 case StreamBaseColor:
370 stream_base_color = color;
371 canvas_rect->set_fill_color (stream_base_color);
377 StreamView::region_layered (RegionView* rv)
379 /* don't ever leave it at the bottom, since then it doesn't
380 get events - the parent group does instead ...
382 rv->get_canvas_group()->raise (rv->region()->layer());
386 StreamView::rec_enable_changed ()
392 StreamView::sess_rec_enable_changed ()
398 StreamView::transport_changed()
404 StreamView::transport_looped()
406 // to force a new rec region
408 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
412 StreamView::create_rec_box(samplepos_t sample_pos, double width)
414 const double xstart = _trackview.editor().sample_to_pixel(sample_pos);
415 const double xend = xstart + width;
416 const uint32_t fill_color = UIConfiguration::instance().color_mod("recording rect", "recording_rect");
418 ArdourCanvas::Rectangle* rec_rect = new ArdourCanvas::Rectangle(_canvas_group);
419 rec_rect->set_x0(xstart);
421 rec_rect->set_x1(xend);
422 rec_rect->set_y1(child_height ());
423 rec_rect->set_outline_what(ArdourCanvas::Rectangle::What(0));
424 rec_rect->set_outline_color(UIConfiguration::instance().color("recording rect"));
425 rec_rect->set_fill_color(fill_color);
426 rec_rect->lower_to_bottom();
429 recbox.rectangle = rec_rect;
432 if (rec_rects.empty()) {
433 recbox.start = _trackview.session()->record_location ();
435 recbox.start = _trackview.session()->transport_sample ();
438 rec_rects.push_back (recbox);
440 screen_update_connection.disconnect();
441 screen_update_connection = Timers::rapid_connect (sigc::mem_fun(*this, &StreamView::update_rec_box));
448 StreamView::update_rec_box ()
450 if (rec_active && rec_rects.size() > 0) {
451 /* only update the last box */
452 RecBoxInfo & rect = rec_rects.back();
453 samplepos_t const at = _trackview.track()->current_capture_end ();
457 switch (_trackview.track()->mode()) {
461 rect.length = at - rect.start;
462 xstart = _trackview.editor().sample_to_pixel (rect.start);
463 xend = _trackview.editor().sample_to_pixel (at);
468 xstart = _trackview.editor().sample_to_pixel (_trackview.track()->current_capture_start());
469 xend = _trackview.editor().sample_to_pixel (at);
473 fatal << string_compose (_("programming error: %1"), "illegal track mode") << endmsg;
474 abort(); /*NOTREACHED*/
478 rect.rectangle->set_x0 (xstart);
479 rect.rectangle->set_x1 (xend);
484 StreamView::find_view (boost::shared_ptr<const Region> region)
486 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
488 if ((*i)->region() == region) {
496 StreamView::num_selected_regionviews () const
500 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
501 if ((*i)->selected()) {
509 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
511 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
517 StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
519 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
520 if ((*i)->selected()) {
527 StreamView::set_selected_regionviews (RegionSelection& regions)
531 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
535 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
542 (*i)->set_selected (selected);
546 /** Get selectable things within a given range.
547 * @param start Start time in session samples.
548 * @param end End time in session samples.
549 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
550 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
551 * @param result Filled in with selectable things.
554 StreamView::get_selectables (samplepos_t start, samplepos_t end, double top, double bottom, list<Selectable*>& results, bool within)
556 if (_trackview.editor().internal_editing()) {
557 return; // Don't select regions with an internal tool
560 layer_t min_layer = 0;
561 layer_t max_layer = 0;
563 if (_layer_display == Stacked) {
564 double const c = child_height ();
566 int const mi = _layers - ((bottom - _trackview.y_position()) / c);
573 int const ma = _layers - ((top - _trackview.y_position()) / c);
574 if (ma > (int) _layers) {
575 max_layer = _layers - 1;
582 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
584 bool layer_ok = true;
586 if (_layer_display == Stacked) {
587 layer_t const l = (*i)->region()->layer ();
588 layer_ok = (min_layer <= l && l <= max_layer);
592 if ((*i)->region()->coverage (start, end) == Evoral::OverlapExternal && layer_ok) {
593 results.push_back (*i);
596 if ((*i)->region()->coverage (start, end) != Evoral::OverlapNone && layer_ok) {
597 results.push_back (*i);
605 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
607 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
608 if (!sel.regions.contains (*i)) {
609 results.push_back (*i);
614 /** @return height of a child region view, depending on stacked / overlaid mode */
616 StreamView::child_height () const
618 switch (_layer_display) {
622 return height / _layers;
624 return height / (_layers * 2 + 1);
627 abort(); /* NOTREACHED */
632 StreamView::update_contents_height ()
634 const double h = child_height ();
636 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
637 switch (_layer_display) {
642 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
645 (*i)->set_y (height - ((*i)->region()->layer() + 1) * 2 * h);
649 (*i)->set_height (h);
652 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
653 switch (_layer_display) {
655 i->rectangle->set_y1 (height);
659 /* In stacked displays, the recregion is always at the top */
660 i->rectangle->set_y0 (0);
661 i->rectangle->set_y1 (h);
666 ContentsHeightChanged (); /* EMIT SIGNAL */
670 StreamView::set_layer_display (LayerDisplay d)
674 if (_layer_display == Overlaid) {
678 update_contents_height ();
679 update_coverage_samples ();
683 StreamView::update_coverage_samples ()
685 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
686 (*i)->update_coverage_samples (_layer_display);
691 StreamView::check_record_layers (boost::shared_ptr<Region> region, samplepos_t to)
693 if (_new_rec_layer_time < to) {
694 /* The region being recorded has overlapped the start of a top-layered region, so
695 `fake' a new visual layer for the recording. This is only a visual thing for now,
696 as the proper layering will get sorted out when the recorded region is added to
700 /* Stop this happening again */
701 _new_rec_layer_time = max_samplepos;
703 /* Make space in the view for the new layer */
706 /* Set the temporary region to the correct layer so that it gets drawn correctly */
707 region->set_layer (_layers - 1);
709 /* and reset the view */
710 update_contents_height ();
715 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
717 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
718 recorded region in. To work out where this needs to happen, find the start of the next
719 top-layered region after the start of the region we are recording and make a note of it.
721 if (_layer_display == Stacked) {
722 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
724 _new_rec_layer_time = max_samplepos;