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 "global_signals.h"
38 #include "region_view.h"
39 #include "route_time_axis.h"
40 #include "region_selection.h"
41 #include "selection.h"
42 #include "public_editor.h"
43 #include "ardour_ui.h"
44 #include "rgb_macros.h"
45 #include "gui_thread.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_frame(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()->DiskstreamChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::diskstream_changed, this), gui_context());
81 _trackview.track()->RecordEnableChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed, this), gui_context());
83 _trackview.session()->TransportStateChange.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed, this), gui_context());
84 _trackview.session()->TransportLooped.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped, this), gui_context());
85 _trackview.session()->RecordStateChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
88 ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
91 StreamView::~StreamView ()
101 if (_trackview.is_track()) {
102 display_track (_trackview.track ());
107 StreamView::set_position (gdouble x, gdouble y)
109 _canvas_group->set_position (ArdourCanvas::Duple (x, y));
114 StreamView::set_height (double h)
116 /* limit the values to something sane-ish */
118 if (h < 10.0 || h > 1000.0) {
122 if (canvas_rect->y1() == h) {
127 canvas_rect->set_y1 (height);
128 update_contents_height ();
134 StreamView::set_samples_per_pixel (double fpp)
136 RegionViewList::iterator i;
142 _samples_per_pixel = fpp;
144 for (i = region_views.begin(); i != region_views.end(); ++i) {
145 (*i)->set_samples_per_pixel (fpp);
148 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
149 RecBoxInfo &recbox = (*xi);
151 ArdourCanvas::Coord const xstart = _trackview.editor().sample_to_pixel (recbox.start);
152 ArdourCanvas::Coord const xend = _trackview.editor().sample_to_pixel (recbox.start + recbox.length);
154 recbox.rectangle->set_x0 (xstart);
155 recbox.rectangle->set_x1 (xend);
158 update_coverage_frames ();
164 StreamView::add_region_view (boost::weak_ptr<Region> wr)
166 boost::shared_ptr<Region> r (wr.lock());
171 add_region_view_internal (r, true);
173 if (_layer_display == Stacked || _layer_display == Expanded) {
174 update_contents_height ();
179 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
181 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
183 boost::shared_ptr<Region> r (weak_r.lock());
189 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
190 if (((*i)->region()) == r) {
192 region_views.erase (i);
198 RegionViewRemoved (); /* EMIT SIGNAL */
202 StreamView::undisplay_track ()
204 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
205 RegionViewList::iterator next = i;
211 region_views.clear();
215 StreamView::display_track (boost::shared_ptr<Track> tr)
217 playlist_switched_connection.disconnect();
218 playlist_switched (tr);
219 tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
223 StreamView::layer_regions()
225 // In one traversal of the region view list:
226 // - Build a list of region views sorted by layer
227 // - Remove invalid views from the actual region view list
229 list<RegionView*>::iterator i, tmp;
230 for (i = region_views.begin(); i != region_views.end(); ) {
234 if (!(*i)->is_valid()) {
236 region_views.erase (i);
240 (*i)->enable_display(true);
243 if (copy.size() == 0) {
244 copy.push_front((*i));
249 RegionViewList::iterator k = copy.begin();
250 RegionViewList::iterator l = copy.end();
253 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
254 copy.push_front((*i));
257 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
258 copy.push_back((*i));
263 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
264 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
265 copy.insert(j, (*i));
273 // Fix canvas layering by raising each to the top in the sorted order.
274 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
275 (*i)->get_canvas_group()->raise_to_top ();
280 StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
282 boost::shared_ptr<Track> tr (wtr.lock());
288 /* update layers count and the y positions and heights of our regions */
289 if (tr->playlist()) {
290 _layers = tr->playlist()->top_layer() + 1;
293 if (_layer_display == Stacked) {
294 update_contents_height ();
295 update_coverage_frames ();
297 /* layering has probably been modified. reflect this in the canvas. */
303 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
305 boost::shared_ptr<Track> tr (wtr.lock());
311 /* disconnect from old playlist */
313 playlist_connections.drop_connections ();
320 /* update layers count and the y positions and heights of our regions */
321 _layers = tr->playlist()->top_layer() + 1;
322 update_contents_height ();
323 update_coverage_frames ();
327 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
328 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::add_region_view, this, _1), gui_context());
329 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::remove_region_view, this, _1), gui_context());
330 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::update_coverage_frames, this), gui_context());
335 StreamView::diskstream_changed ()
337 boost::shared_ptr<Track> t;
339 if ((t = _trackview.track()) != 0) {
340 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
342 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
347 StreamView::apply_color (Gdk::Color const& c, ColorTarget target)
349 return apply_color (gdk_color_to_rgba (c), target);
353 StreamView::apply_color (uint32_t color, ColorTarget target)
355 list<RegionView *>::iterator i;
359 region_color = color;
360 for (i = region_views.begin(); i != region_views.end(); ++i) {
361 (*i)->set_color (region_color);
365 case StreamBaseColor:
366 stream_base_color = color;
367 canvas_rect->set_fill_color (stream_base_color);
373 StreamView::region_layered (RegionView* rv)
375 /* don't ever leave it at the bottom, since then it doesn't
376 get events - the parent group does instead ...
378 rv->get_canvas_group()->raise (rv->region()->layer());
382 StreamView::rec_enable_changed ()
388 StreamView::sess_rec_enable_changed ()
394 StreamView::transport_changed()
400 StreamView::transport_looped()
402 // to force a new rec region
404 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
408 StreamView::update_rec_box ()
410 if (rec_active && rec_rects.size() > 0) {
411 /* only update the last box */
412 RecBoxInfo & rect = rec_rects.back();
413 framepos_t const at = _trackview.track()->current_capture_end ();
417 switch (_trackview.track()->mode()) {
421 rect.length = at - rect.start;
422 xstart = _trackview.editor().sample_to_pixel (rect.start);
423 xend = _trackview.editor().sample_to_pixel (at);
428 xstart = _trackview.editor().sample_to_pixel (_trackview.track()->current_capture_start());
429 xend = _trackview.editor().sample_to_pixel (at);
433 fatal << string_compose (_("programming error: %1"), "illegal track mode") << endmsg;
434 abort(); /*NOTREACHED*/
438 rect.rectangle->set_x0 (xstart);
439 rect.rectangle->set_x1 (xend);
444 StreamView::find_view (boost::shared_ptr<const Region> region)
446 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
448 if ((*i)->region() == region) {
456 StreamView::num_selected_regionviews () const
460 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
461 if ((*i)->get_selected()) {
469 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
471 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
477 StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
479 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
480 if ((*i)->get_selected()) {
487 StreamView::set_selected_regionviews (RegionSelection& regions)
491 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
495 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
502 (*i)->set_selected (selected);
507 /** Get selectable things within a given range.
508 * @param start Start time in session frames.
509 * @param end End time in session frames.
510 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
511 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
512 * @param result Filled in with selectable things.
516 StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
518 layer_t min_layer = 0;
519 layer_t max_layer = 0;
521 if (_layer_display == Stacked) {
522 double const c = child_height ();
524 int const mi = _layers - ((bottom - _trackview.y_position()) / c);
531 int const ma = _layers - ((top - _trackview.y_position()) / c);
532 if (ma > (int) _layers) {
533 max_layer = _layers - 1;
540 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
542 bool layer_ok = true;
544 if (_layer_display == Stacked) {
545 layer_t const l = (*i)->region()->layer ();
546 layer_ok = (min_layer <= l && l <= max_layer);
549 if ((*i)->region()->coverage (start, end) != Evoral::OverlapNone && layer_ok) {
550 results.push_back (*i);
556 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
558 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
559 if (!sel.regions.contains (*i)) {
560 results.push_back (*i);
565 /** @return height of a child region view, depending on stacked / overlaid mode */
567 StreamView::child_height () const
569 switch (_layer_display) {
573 return height / _layers;
575 return height / (_layers * 2 + 1);
578 abort(); /* NOTREACHED */
583 StreamView::update_contents_height ()
585 const double h = child_height ();
587 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
588 switch (_layer_display) {
593 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
596 (*i)->set_y (height - ((*i)->region()->layer() + 1) * 2 * h);
600 (*i)->set_height (h);
603 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
604 switch (_layer_display) {
606 i->rectangle->set_y1 (height);
610 /* In stacked displays, the recregion is always at the top */
611 i->rectangle->set_y0 (0);
612 i->rectangle->set_y1 (h);
617 ContentsHeightChanged (); /* EMIT SIGNAL */
621 StreamView::set_layer_display (LayerDisplay d)
625 if (_layer_display == Overlaid) {
629 update_contents_height ();
630 update_coverage_frames ();
634 StreamView::update_coverage_frames ()
636 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
637 (*i)->update_coverage_frames (_layer_display);
642 StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
644 if (_new_rec_layer_time < to) {
645 /* The region being recorded has overlapped the start of a top-layered region, so
646 `fake' a new visual layer for the recording. This is only a visual thing for now,
647 as the proper layering will get sorted out when the recorded region is added to
651 /* Stop this happening again */
652 _new_rec_layer_time = max_framepos;
654 /* Make space in the view for the new layer */
657 /* Set the temporary region to the correct layer so that it gets drawn correctly */
658 region->set_layer (_layers - 1);
660 /* and reset the view */
661 update_contents_height ();
666 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
668 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
669 recorded region in. To work out where this needs to happen, find the start of the next
670 top-layered region after the start of the region we are recording and make a note of it.
672 if (_layer_display == Stacked) {
673 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
675 _new_rec_layer_time = max_framepos;
680 StreamView::enter_internal_edit_mode ()
682 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
688 StreamView::leave_internal_edit_mode ()
690 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {