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)
55 , _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->raise(1); // raise above tempo lines
74 canvas_rect->set_outline_what (ArdourCanvas::Rectangle::What (ArdourCanvas::Rectangle::TOP | ArdourCanvas::Rectangle::BOTTOM));
75 canvas_rect->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
76 canvas_rect->set_fill_color (RGBA_TO_UINT (1.0, 0, 0, 255));
77 canvas_rect->set_fill (true);
79 canvas_rect->Event.connect (sigc::bind (
80 sigc::mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event),
81 canvas_rect, &_trackview));
83 if (_trackview.is_track()) {
84 _trackview.track()->DiskstreamChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::diskstream_changed, this), gui_context());
85 _trackview.track()->RecordEnableChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed, this), gui_context());
87 _trackview.session()->TransportStateChange.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed, this), gui_context());
88 _trackview.session()->TransportLooped.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped, this), gui_context());
89 _trackview.session()->RecordStateChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
92 ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
95 StreamView::~StreamView ()
103 StreamView::attach ()
105 if (_trackview.is_track()) {
106 display_track (_trackview.track ());
111 StreamView::set_position (gdouble x, gdouble y)
113 _canvas_group->set_position (ArdourCanvas::Duple (x, y));
118 StreamView::set_height (double h)
120 /* limit the values to something sane-ish */
121 if (h < 10.0 || h > 1000.0) {
125 if (canvas_rect->y1() == h) {
130 canvas_rect->set_y1 (height);
131 update_contents_height ();
137 StreamView::set_samples_per_pixel (double fpp)
139 RegionViewList::iterator i;
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_frames ();
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 update_coverage_frames ();
300 /* layering has probably been modified. reflect this in the canvas. */
306 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
308 boost::shared_ptr<Track> tr (wtr.lock());
314 /* disconnect from old playlist */
316 playlist_connections.drop_connections ();
323 /* update layers count and the y positions and heights of our regions */
324 _layers = tr->playlist()->top_layer() + 1;
325 update_contents_height ();
326 update_coverage_frames ();
330 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
331 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::add_region_view, this, _1), gui_context());
332 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::remove_region_view, this, _1), gui_context());
333 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::update_coverage_frames, this), gui_context());
338 StreamView::diskstream_changed ()
340 boost::shared_ptr<Track> t;
342 if ((t = _trackview.track()) != 0) {
343 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
345 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
350 StreamView::apply_color (Gdk::Color color, ColorTarget target)
352 list<RegionView *>::iterator i;
356 region_color = color;
357 for (i = region_views.begin(); i != region_views.end(); ++i) {
358 (*i)->set_color (region_color);
362 case StreamBaseColor:
363 stream_base_color = RGBA_TO_UINT (color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
364 canvas_rect->set_fill_color (stream_base_color);
370 StreamView::region_layered (RegionView* rv)
372 /* don't ever leave it at the bottom, since then it doesn't
373 get events - the parent group does instead ...
375 rv->get_canvas_group()->raise (rv->region()->layer());
379 StreamView::rec_enable_changed ()
385 StreamView::sess_rec_enable_changed ()
391 StreamView::transport_changed()
397 StreamView::transport_looped()
399 // to force a new rec region
401 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
405 StreamView::update_rec_box ()
407 if (rec_active && rec_rects.size() > 0) {
408 /* only update the last box */
409 RecBoxInfo & rect = rec_rects.back();
410 framepos_t const at = _trackview.track()->current_capture_end ();
414 switch (_trackview.track()->mode()) {
418 rect.length = at - rect.start;
419 xstart = _trackview.editor().sample_to_pixel (rect.start);
420 xend = _trackview.editor().sample_to_pixel (at);
425 xstart = _trackview.editor().sample_to_pixel (_trackview.track()->current_capture_start());
426 xend = _trackview.editor().sample_to_pixel (at);
430 rect.rectangle->set_x0 (xstart);
431 rect.rectangle->set_x1 (xend);
436 StreamView::find_view (boost::shared_ptr<const Region> region)
438 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
440 if ((*i)->region() == region) {
448 StreamView::num_selected_regionviews () const
452 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
453 if ((*i)->get_selected()) {
461 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
463 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
469 StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
471 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
472 if ((*i)->get_selected()) {
479 StreamView::set_selected_regionviews (RegionSelection& regions)
483 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
487 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
494 (*i)->set_selected (selected);
499 /** Get selectable things within a given range.
500 * @param start Start time in session frames.
501 * @param end End time in session frames.
502 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
503 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
504 * @param result Filled in with selectable things.
508 StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
510 layer_t min_layer = 0;
511 layer_t max_layer = 0;
513 if (_layer_display == Stacked) {
514 double const c = child_height ();
516 int const mi = _layers - ((bottom - _trackview.y_position()) / c);
523 int const ma = _layers - ((top - _trackview.y_position()) / c);
524 if (ma > (int) _layers) {
525 max_layer = _layers - 1;
532 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
534 bool layer_ok = true;
536 if (_layer_display == Stacked) {
537 layer_t const l = (*i)->region()->layer ();
538 layer_ok = (min_layer <= l && l <= max_layer);
541 if ((*i)->region()->coverage (start, end) != Evoral::OverlapNone && layer_ok) {
542 results.push_back (*i);
548 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
550 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
551 if (!sel.regions.contains (*i)) {
552 results.push_back (*i);
557 /** @return height of a child region view, depending on stacked / overlaid mode */
559 StreamView::child_height () const
561 switch (_layer_display) {
565 return height / _layers;
567 return height / (_layers * 2 + 1);
575 StreamView::update_contents_height ()
577 const double h = child_height ();
579 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
580 switch (_layer_display) {
585 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
588 (*i)->set_y (height - ((*i)->region()->layer() + 1) * 2 * h);
592 (*i)->set_height (h);
595 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
596 switch (_layer_display) {
598 i->rectangle->set_y1 (height);
602 /* In stacked displays, the recregion is always at the top */
603 i->rectangle->set_y0 (0);
604 i->rectangle->set_y1 (h);
609 ContentsHeightChanged (); /* EMIT SIGNAL */
613 StreamView::set_layer_display (LayerDisplay d)
617 if (_layer_display == Overlaid) {
621 update_contents_height ();
622 update_coverage_frames ();
626 StreamView::update_coverage_frames ()
628 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
629 (*i)->update_coverage_frames (_layer_display);
634 StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
636 if (_new_rec_layer_time < to) {
637 /* The region being recorded has overlapped the start of a top-layered region, so
638 `fake' a new visual layer for the recording. This is only a visual thing for now,
639 as the proper layering will get sorted out when the recorded region is added to
643 /* Stop this happening again */
644 _new_rec_layer_time = max_framepos;
646 /* Make space in the view for the new layer */
649 /* Set the temporary region to the correct layer so that it gets drawn correctly */
650 region->set_layer (_layers - 1);
652 /* and reset the view */
653 update_contents_height ();
658 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
660 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
661 recorded region in. To work out where this needs to happen, find the start of the next
662 top-layered region after the start of the region we are recording and make a note of it.
664 if (_layer_display == Stacked) {
665 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
667 _new_rec_layer_time = max_framepos;
672 StreamView::enter_internal_edit_mode ()
674 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
680 StreamView::leave_internal_edit_mode ()
682 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {