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"
49 using namespace ARDOUR;
51 using namespace Editing;
53 StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* canvas_group)
55 , _canvas_group (canvas_group ? canvas_group : new ArdourCanvas::Group (_trackview.canvas_display()))
56 , _samples_per_pixel (_trackview.editor().get_current_zoom ())
59 , stream_base_color(0xFFFFFFFF)
61 , _layer_display (Overlaid)
63 , last_rec_data_frame(0)
65 CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group %1", _trackview.name()));
67 /* set_position() will position the group */
69 canvas_rect = new ArdourCanvas::Rectangle (_canvas_group);
70 CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle %1", _trackview.name()));
71 canvas_rect->set (ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, tv.current_height ()));
72 canvas_rect->set_outline_what (ArdourCanvas::Rectangle::BOTTOM);
73 canvas_rect->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
74 canvas_rect->set_fill (true);
75 canvas_rect->Event.connect (sigc::bind (sigc::mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
77 if (_trackview.is_track()) {
78 _trackview.track()->DiskstreamChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::diskstream_changed, this), gui_context());
79 _trackview.track()->RecordEnableChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed, this), gui_context());
81 _trackview.session()->TransportStateChange.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed, this), gui_context());
82 _trackview.session()->TransportLooped.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped, this), gui_context());
83 _trackview.session()->RecordStateChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
86 ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
89 StreamView::~StreamView ()
99 if (_trackview.is_track()) {
100 display_track (_trackview.track ());
105 StreamView::set_position (gdouble x, gdouble y)
107 _canvas_group->set_position (ArdourCanvas::Duple (x, y));
112 StreamView::set_height (double h)
114 /* limit the values to something sane-ish */
115 if (h < 10.0 || h > 1000.0) {
119 if (canvas_rect->y1() == h) {
124 canvas_rect->set_y1 (height);
125 update_contents_height ();
131 StreamView::set_samples_per_pixel (double fpp)
133 RegionViewList::iterator i;
139 _samples_per_pixel = fpp;
141 for (i = region_views.begin(); i != region_views.end(); ++i) {
142 (*i)->set_samples_per_pixel (fpp);
145 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
146 RecBoxInfo &recbox = (*xi);
148 ArdourCanvas::Coord const xstart = _trackview.editor().sample_to_pixel (recbox.start);
149 ArdourCanvas::Coord const xend = _trackview.editor().sample_to_pixel (recbox.start + recbox.length);
151 recbox.rectangle->set_x0 (xstart);
152 recbox.rectangle->set_x1 (xend);
155 update_coverage_frames ();
161 StreamView::add_region_view (boost::weak_ptr<Region> wr)
163 boost::shared_ptr<Region> r (wr.lock());
168 add_region_view_internal (r, true);
170 if (_layer_display == Stacked || _layer_display == Expanded) {
171 update_contents_height ();
176 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
178 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
180 boost::shared_ptr<Region> r (weak_r.lock());
186 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
187 if (((*i)->region()) == r) {
189 region_views.erase (i);
195 RegionViewRemoved (); /* EMIT SIGNAL */
199 StreamView::undisplay_track ()
201 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
202 RegionViewList::iterator next = i;
208 region_views.clear();
212 StreamView::display_track (boost::shared_ptr<Track> tr)
214 playlist_switched_connection.disconnect();
215 playlist_switched (tr);
216 tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
220 StreamView::layer_regions()
222 // In one traversal of the region view list:
223 // - Build a list of region views sorted by layer
224 // - Remove invalid views from the actual region view list
226 list<RegionView*>::iterator i, tmp;
227 for (i = region_views.begin(); i != region_views.end(); ) {
231 if (!(*i)->is_valid()) {
233 region_views.erase (i);
237 (*i)->enable_display(true);
240 if (copy.size() == 0) {
241 copy.push_front((*i));
246 RegionViewList::iterator k = copy.begin();
247 RegionViewList::iterator l = copy.end();
250 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
251 copy.push_front((*i));
254 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
255 copy.push_back((*i));
260 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
261 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
262 copy.insert(j, (*i));
270 // Fix canvas layering by raising each to the top in the sorted order.
271 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
272 (*i)->get_canvas_group()->raise_to_top ();
277 StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
279 boost::shared_ptr<Track> tr (wtr.lock());
285 /* update layers count and the y positions and heights of our regions */
286 if (tr->playlist()) {
287 _layers = tr->playlist()->top_layer() + 1;
290 if (_layer_display == Stacked) {
291 update_contents_height ();
292 update_coverage_frames ();
294 /* layering has probably been modified. reflect this in the canvas. */
300 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
302 boost::shared_ptr<Track> tr (wtr.lock());
308 /* disconnect from old playlist */
310 playlist_connections.drop_connections ();
317 /* update layers count and the y positions and heights of our regions */
318 _layers = tr->playlist()->top_layer() + 1;
319 update_contents_height ();
320 update_coverage_frames ();
324 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
325 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::add_region_view, this, _1), gui_context());
326 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::remove_region_view, this, _1), gui_context());
327 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::update_coverage_frames, this), gui_context());
332 StreamView::diskstream_changed ()
334 boost::shared_ptr<Track> t;
336 if ((t = _trackview.track()) != 0) {
337 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
339 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
344 StreamView::apply_color (Gdk::Color color, ColorTarget target)
346 list<RegionView *>::iterator i;
350 region_color = color;
351 for (i = region_views.begin(); i != region_views.end(); ++i) {
352 (*i)->set_color (region_color);
356 case StreamBaseColor:
357 stream_base_color = RGBA_TO_UINT (color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
358 canvas_rect->set_fill_color (stream_base_color);
364 StreamView::region_layered (RegionView* rv)
366 /* don't ever leave it at the bottom, since then it doesn't
367 get events - the parent group does instead ...
369 rv->get_canvas_group()->raise (rv->region()->layer());
373 StreamView::rec_enable_changed ()
379 StreamView::sess_rec_enable_changed ()
385 StreamView::transport_changed()
391 StreamView::transport_looped()
393 // to force a new rec region
395 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
399 StreamView::update_rec_box ()
401 if (rec_active && rec_rects.size() > 0) {
402 /* only update the last box */
403 RecBoxInfo & rect = rec_rects.back();
404 framepos_t const at = _trackview.track()->current_capture_end ();
408 switch (_trackview.track()->mode()) {
412 rect.length = at - rect.start;
413 xstart = _trackview.editor().sample_to_pixel (rect.start);
414 xend = _trackview.editor().sample_to_pixel (at);
419 xstart = _trackview.editor().sample_to_pixel (_trackview.track()->current_capture_start());
420 xend = _trackview.editor().sample_to_pixel (at);
424 rect.rectangle->set_x0 (xstart);
425 rect.rectangle->set_x1 (xend);
430 StreamView::find_view (boost::shared_ptr<const Region> region)
432 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
434 if ((*i)->region() == region) {
442 StreamView::num_selected_regionviews () const
446 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
447 if ((*i)->get_selected()) {
455 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
457 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
463 StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
465 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
466 if ((*i)->get_selected()) {
473 StreamView::set_selected_regionviews (RegionSelection& regions)
477 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
481 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
488 (*i)->set_selected (selected);
493 /** Get selectable things within a given range.
494 * @param start Start time in session frames.
495 * @param end End time in session frames.
496 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
497 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
498 * @param result Filled in with selectable things.
502 StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
504 layer_t min_layer = 0;
505 layer_t max_layer = 0;
507 if (_layer_display == Stacked) {
508 double const c = child_height ();
510 int const mi = _layers - ((bottom - _trackview.y_position()) / c);
517 int const ma = _layers - ((top - _trackview.y_position()) / c);
518 if (ma > (int) _layers) {
519 max_layer = _layers - 1;
526 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
528 bool layer_ok = true;
530 if (_layer_display == Stacked) {
531 layer_t const l = (*i)->region()->layer ();
532 layer_ok = (min_layer <= l && l <= max_layer);
535 if ((*i)->region()->coverage (start, end) != Evoral::OverlapNone && layer_ok) {
536 results.push_back (*i);
542 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
544 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
545 if (!sel.regions.contains (*i)) {
546 results.push_back (*i);
551 /** @return height of a child region view, depending on stacked / overlaid mode */
553 StreamView::child_height () const
555 switch (_layer_display) {
559 return height / _layers;
561 return height / (_layers * 2 + 1);
569 StreamView::update_contents_height ()
571 const double h = child_height ();
573 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
574 switch (_layer_display) {
579 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
582 (*i)->set_y (height - ((*i)->region()->layer() + 1) * 2 * h);
586 (*i)->set_height (h);
589 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
590 switch (_layer_display) {
592 i->rectangle->set_y1 (height);
596 /* In stacked displays, the recregion is always at the top */
597 i->rectangle->set_y0 (0);
598 i->rectangle->set_y1 (h);
603 ContentsHeightChanged (); /* EMIT SIGNAL */
607 StreamView::set_layer_display (LayerDisplay d)
611 if (_layer_display == Overlaid) {
615 update_contents_height ();
616 update_coverage_frames ();
620 StreamView::update_coverage_frames ()
622 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
623 (*i)->update_coverage_frames (_layer_display);
628 StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
630 if (_new_rec_layer_time < to) {
631 /* The region being recorded has overlapped the start of a top-layered region, so
632 `fake' a new visual layer for the recording. This is only a visual thing for now,
633 as the proper layering will get sorted out when the recorded region is added to
637 /* Stop this happening again */
638 _new_rec_layer_time = max_framepos;
640 /* Make space in the view for the new layer */
643 /* Set the temporary region to the correct layer so that it gets drawn correctly */
644 region->set_layer (_layers - 1);
646 /* and reset the view */
647 update_contents_height ();
652 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
654 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
655 recorded region in. To work out where this needs to happen, find the start of the next
656 top-layered region after the start of the region we are recording and make a note of it.
658 if (_layer_display == Stacked) {
659 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
661 _new_rec_layer_time = max_framepos;
666 StreamView::enter_internal_edit_mode ()
668 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
674 StreamView::leave_internal_edit_mode ()
676 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {