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;
53 using namespace Editing;
55 StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* canvas_group)
57 , _canvas_group (canvas_group ? canvas_group : new ArdourCanvas::Group (_trackview.canvas_display()))
58 , _samples_per_pixel (_trackview.editor().get_current_zoom ())
61 , stream_base_color(0xFFFFFFFF)
63 , _layer_display (Overlaid)
65 , last_rec_data_frame(0)
67 CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group %1", _trackview.name()));
69 /* set_position() will position the group */
71 canvas_rect = new ArdourCanvas::Rectangle (_canvas_group);
72 CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle %1", _trackview.name()));
73 canvas_rect->set (ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, tv.current_height ()));
74 canvas_rect->set_outline_what (ArdourCanvas::Rectangle::BOTTOM);
75 canvas_rect->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
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 */
117 if (h < 10.0 || h > 1000.0) {
121 if (canvas_rect->y1() == h) {
126 canvas_rect->set_y1 (height);
127 update_contents_height ();
133 StreamView::set_samples_per_pixel (double fpp)
135 RegionViewList::iterator i;
141 _samples_per_pixel = fpp;
143 for (i = region_views.begin(); i != region_views.end(); ++i) {
144 (*i)->set_samples_per_pixel (fpp);
147 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
148 RecBoxInfo &recbox = (*xi);
150 ArdourCanvas::Coord const xstart = _trackview.editor().sample_to_pixel (recbox.start);
151 ArdourCanvas::Coord const xend = _trackview.editor().sample_to_pixel (recbox.start + recbox.length);
153 recbox.rectangle->set_x0 (xstart);
154 recbox.rectangle->set_x1 (xend);
157 update_coverage_frames ();
163 StreamView::add_region_view (boost::weak_ptr<Region> wr)
165 boost::shared_ptr<Region> r (wr.lock());
170 add_region_view_internal (r, true);
172 if (_layer_display == Stacked || _layer_display == Expanded) {
173 update_contents_height ();
178 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
180 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
182 boost::shared_ptr<Region> r (weak_r.lock());
188 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
189 if (((*i)->region()) == r) {
191 region_views.erase (i);
197 RegionViewRemoved (); /* EMIT SIGNAL */
201 StreamView::undisplay_track ()
203 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
204 RegionViewList::iterator next = i;
210 region_views.clear();
214 StreamView::display_track (boost::shared_ptr<Track> tr)
216 playlist_switched_connection.disconnect();
217 playlist_switched (tr);
218 tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
222 StreamView::layer_regions()
224 // In one traversal of the region view list:
225 // - Build a list of region views sorted by layer
226 // - Remove invalid views from the actual region view list
228 list<RegionView*>::iterator i, tmp;
229 for (i = region_views.begin(); i != region_views.end(); ) {
233 if (!(*i)->is_valid()) {
235 region_views.erase (i);
239 (*i)->enable_display(true);
242 if (copy.size() == 0) {
243 copy.push_front((*i));
248 RegionViewList::iterator k = copy.begin();
249 RegionViewList::iterator l = copy.end();
252 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
253 copy.push_front((*i));
256 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
257 copy.push_back((*i));
262 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
263 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
264 copy.insert(j, (*i));
272 // Fix canvas layering by raising each to the top in the sorted order.
273 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
274 (*i)->get_canvas_group()->raise_to_top ();
279 StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
281 boost::shared_ptr<Track> tr (wtr.lock());
287 /* update layers count and the y positions and heights of our regions */
288 if (tr->playlist()) {
289 _layers = tr->playlist()->top_layer() + 1;
292 if (_layer_display == Stacked) {
293 update_contents_height ();
294 update_coverage_frames ();
296 /* layering has probably been modified. reflect this in the canvas. */
302 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
304 boost::shared_ptr<Track> tr (wtr.lock());
310 /* disconnect from old playlist */
312 playlist_connections.drop_connections ();
319 /* update layers count and the y positions and heights of our regions */
320 _layers = tr->playlist()->top_layer() + 1;
321 update_contents_height ();
322 update_coverage_frames ();
326 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
327 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::add_region_view, this, _1), gui_context());
328 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::remove_region_view, this, _1), gui_context());
329 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::update_coverage_frames, this), gui_context());
334 StreamView::diskstream_changed ()
336 boost::shared_ptr<Track> t;
338 if ((t = _trackview.track()) != 0) {
339 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
341 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
346 StreamView::apply_color (Gdk::Color color, ColorTarget target)
348 list<RegionView *>::iterator i;
352 region_color = color;
353 for (i = region_views.begin(); i != region_views.end(); ++i) {
354 (*i)->set_color (region_color);
358 case StreamBaseColor:
359 stream_base_color = RGBA_TO_UINT (color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
360 canvas_rect->set_fill_color (stream_base_color);
366 StreamView::region_layered (RegionView* rv)
368 /* don't ever leave it at the bottom, since then it doesn't
369 get events - the parent group does instead ...
371 rv->get_canvas_group()->raise (rv->region()->layer());
375 StreamView::rec_enable_changed ()
381 StreamView::sess_rec_enable_changed ()
387 StreamView::transport_changed()
393 StreamView::transport_looped()
395 // to force a new rec region
397 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
401 StreamView::update_rec_box ()
403 if (rec_active && rec_rects.size() > 0) {
404 /* only update the last box */
405 RecBoxInfo & rect = rec_rects.back();
406 framepos_t const at = _trackview.track()->current_capture_end ();
410 switch (_trackview.track()->mode()) {
414 rect.length = at - rect.start;
415 xstart = _trackview.editor().sample_to_pixel (rect.start);
416 xend = _trackview.editor().sample_to_pixel (at);
421 xstart = _trackview.editor().sample_to_pixel (_trackview.track()->current_capture_start());
422 xend = _trackview.editor().sample_to_pixel (at);
426 fatal << string_compose (_("programming error: %1"), "illegal track mode") << endmsg;
431 rect.rectangle->set_x0 (xstart);
432 rect.rectangle->set_x1 (xend);
437 StreamView::find_view (boost::shared_ptr<const Region> region)
439 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
441 if ((*i)->region() == region) {
449 StreamView::num_selected_regionviews () const
453 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
454 if ((*i)->get_selected()) {
462 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
464 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
470 StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
472 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
473 if ((*i)->get_selected()) {
480 StreamView::set_selected_regionviews (RegionSelection& regions)
484 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
488 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
495 (*i)->set_selected (selected);
500 /** Get selectable things within a given range.
501 * @param start Start time in session frames.
502 * @param end End time in session frames.
503 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
504 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
505 * @param result Filled in with selectable things.
509 StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
511 layer_t min_layer = 0;
512 layer_t max_layer = 0;
514 if (_layer_display == Stacked) {
515 double const c = child_height ();
517 int const mi = _layers - ((bottom - _trackview.y_position()) / c);
524 int const ma = _layers - ((top - _trackview.y_position()) / c);
525 if (ma > (int) _layers) {
526 max_layer = _layers - 1;
533 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
535 bool layer_ok = true;
537 if (_layer_display == Stacked) {
538 layer_t const l = (*i)->region()->layer ();
539 layer_ok = (min_layer <= l && l <= max_layer);
542 if ((*i)->region()->coverage (start, end) != Evoral::OverlapNone && layer_ok) {
543 results.push_back (*i);
549 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
551 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
552 if (!sel.regions.contains (*i)) {
553 results.push_back (*i);
558 /** @return height of a child region view, depending on stacked / overlaid mode */
560 StreamView::child_height () const
562 switch (_layer_display) {
566 return height / _layers;
568 return height / (_layers * 2 + 1);
576 StreamView::update_contents_height ()
578 const double h = child_height ();
580 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
581 switch (_layer_display) {
586 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
589 (*i)->set_y (height - ((*i)->region()->layer() + 1) * 2 * h);
593 (*i)->set_height (h);
596 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
597 switch (_layer_display) {
599 i->rectangle->set_y1 (height);
603 /* In stacked displays, the recregion is always at the top */
604 i->rectangle->set_y0 (0);
605 i->rectangle->set_y1 (h);
610 ContentsHeightChanged (); /* EMIT SIGNAL */
614 StreamView::set_layer_display (LayerDisplay d)
618 if (_layer_display == Overlaid) {
622 update_contents_height ();
623 update_coverage_frames ();
627 StreamView::update_coverage_frames ()
629 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
630 (*i)->update_coverage_frames (_layer_display);
635 StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
637 if (_new_rec_layer_time < to) {
638 /* The region being recorded has overlapped the start of a top-layered region, so
639 `fake' a new visual layer for the recording. This is only a visual thing for now,
640 as the proper layering will get sorted out when the recorded region is added to
644 /* Stop this happening again */
645 _new_rec_layer_time = max_framepos;
647 /* Make space in the view for the new layer */
650 /* Set the temporary region to the correct layer so that it gets drawn correctly */
651 region->set_layer (_layers - 1);
653 /* and reset the view */
654 update_contents_height ();
659 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
661 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
662 recorded region in. To work out where this needs to happen, find the start of the next
663 top-layered region after the start of the region we are recording and make a note of it.
665 if (_layer_display == Stacked) {
666 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
668 _new_rec_layer_time = max_framepos;
673 StreamView::enter_internal_edit_mode ()
675 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
681 StreamView::leave_internal_edit_mode ()
683 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {