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* background_group, ArdourCanvas::Group* canvas_group)
55 , owns_background_group (background_group == 0)
56 , owns_canvas_group (canvas_group == 0)
57 , _background_group (background_group ? background_group : new ArdourCanvas::Group (_trackview.canvas_background()))
58 , _canvas_group (canvas_group ? canvas_group : new ArdourCanvas::Group (_trackview.canvas_display()))
59 , _frames_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 (_background_group, string_compose ("SV background group %1", _trackview.name()));
69 CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group %1", _trackview.name()));
71 /* set_position() will position the group */
73 canvas_rect = new ArdourCanvas::Rectangle (_background_group);
74 CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle %1", _trackview.name()));
75 canvas_rect->set (ArdourCanvas::Rect (0, 0, ArdourCanvas::COORD_MAX, tv.current_height ()));
76 canvas_rect->raise(1); // raise above tempo lines
78 canvas_rect->set_outline_what (0x2 | 0x8);
79 canvas_rect->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
81 canvas_rect->Event.connect (sigc::bind (
82 sigc::mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event),
83 canvas_rect, &_trackview));
85 if (_trackview.is_track()) {
86 _trackview.track()->DiskstreamChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::diskstream_changed, this), gui_context());
87 _trackview.track()->RecordEnableChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed, this), gui_context());
89 _trackview.session()->TransportStateChange.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed, this), gui_context());
90 _trackview.session()->TransportLooped.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped, this), gui_context());
91 _trackview.session()->RecordStateChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
94 ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
97 StreamView::~StreamView ()
103 if (owns_background_group) {
104 delete _background_group;
107 if (owns_canvas_group) {
108 delete _canvas_group;
113 StreamView::attach ()
115 if (_trackview.is_track()) {
116 display_track (_trackview.track ());
121 StreamView::set_position (gdouble x, gdouble y)
123 _canvas_group->set_position (ArdourCanvas::Duple (x, y));
128 StreamView::set_height (double h)
130 /* limit the values to something sane-ish */
131 if (h < 10.0 || h > 1000.0) {
135 if (canvas_rect->y1() == h) {
140 canvas_rect->set_y1 (height);
141 update_contents_height ();
147 StreamView::set_frames_per_pixel (double fpp)
149 RegionViewList::iterator i;
155 _frames_per_pixel = fpp;
157 for (i = region_views.begin(); i != region_views.end(); ++i) {
158 (*i)->set_frames_per_pixel (fpp);
161 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
162 RecBoxInfo &recbox = (*xi);
164 ArdourCanvas::Coord const xstart = _trackview.editor().frame_to_pixel (recbox.start);
165 ArdourCanvas::Coord const xend = _trackview.editor().frame_to_pixel (recbox.start + recbox.length);
167 recbox.rectangle->set_x0 (xstart);
168 recbox.rectangle->set_x1 (xend);
171 update_coverage_frames ();
177 StreamView::add_region_view (boost::weak_ptr<Region> wr)
179 boost::shared_ptr<Region> r (wr.lock());
184 add_region_view_internal (r, true);
186 if (_layer_display == Stacked || _layer_display == Expanded) {
187 update_contents_height ();
192 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
194 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
196 boost::shared_ptr<Region> r (weak_r.lock());
202 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
203 if (((*i)->region()) == r) {
205 region_views.erase (i);
211 RegionViewRemoved (); /* EMIT SIGNAL */
215 StreamView::undisplay_track ()
217 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
218 RegionViewList::iterator next = i;
224 region_views.clear();
228 StreamView::display_track (boost::shared_ptr<Track> tr)
230 playlist_switched_connection.disconnect();
231 playlist_switched (tr);
232 tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
236 StreamView::layer_regions()
238 // In one traversal of the region view list:
239 // - Build a list of region views sorted by layer
240 // - Remove invalid views from the actual region view list
242 list<RegionView*>::iterator i, tmp;
243 for (i = region_views.begin(); i != region_views.end(); ) {
247 if (!(*i)->is_valid()) {
249 region_views.erase (i);
253 (*i)->enable_display(true);
256 if (copy.size() == 0) {
257 copy.push_front((*i));
262 RegionViewList::iterator k = copy.begin();
263 RegionViewList::iterator l = copy.end();
266 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
267 copy.push_front((*i));
270 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
271 copy.push_back((*i));
276 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
277 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
278 copy.insert(j, (*i));
286 // Fix canvas layering by raising each to the top in the sorted order.
287 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
288 (*i)->get_canvas_group()->raise_to_top ();
293 StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
295 boost::shared_ptr<Track> tr (wtr.lock());
301 /* update layers count and the y positions and heights of our regions */
302 if (tr->playlist()) {
303 _layers = tr->playlist()->top_layer() + 1;
306 if (_layer_display == Stacked) {
307 update_contents_height ();
308 update_coverage_frames ();
310 /* layering has probably been modified. reflect this in the canvas. */
316 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
318 boost::shared_ptr<Track> tr (wtr.lock());
324 /* disconnect from old playlist */
326 playlist_connections.drop_connections ();
333 /* update layers count and the y positions and heights of our regions */
334 _layers = tr->playlist()->top_layer() + 1;
335 update_contents_height ();
336 update_coverage_frames ();
340 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
341 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::add_region_view, this, _1), gui_context());
342 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::remove_region_view, this, _1), gui_context());
343 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::update_coverage_frames, this), gui_context());
348 StreamView::diskstream_changed ()
350 boost::shared_ptr<Track> t;
352 if ((t = _trackview.track()) != 0) {
353 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
355 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
360 StreamView::apply_color (Gdk::Color color, ColorTarget target)
362 list<RegionView *>::iterator i;
366 region_color = color;
367 for (i = region_views.begin(); i != region_views.end(); ++i) {
368 (*i)->set_color (region_color);
372 case StreamBaseColor:
373 stream_base_color = RGBA_TO_UINT (color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
374 canvas_rect->set_fill_color (stream_base_color);
380 StreamView::region_layered (RegionView* rv)
382 /* don't ever leave it at the bottom, since then it doesn't
383 get events - the parent group does instead ...
385 rv->get_canvas_group()->raise (rv->region()->layer());
389 StreamView::rec_enable_changed ()
395 StreamView::sess_rec_enable_changed ()
401 StreamView::transport_changed()
407 StreamView::transport_looped()
409 // to force a new rec region
411 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
415 StreamView::update_rec_box ()
417 if (rec_active && rec_rects.size() > 0) {
418 /* only update the last box */
419 RecBoxInfo & rect = rec_rects.back();
420 framepos_t const at = _trackview.track()->current_capture_end ();
424 switch (_trackview.track()->mode()) {
428 rect.length = at - rect.start;
429 xstart = _trackview.editor().frame_to_pixel (rect.start);
430 xend = _trackview.editor().frame_to_pixel (at);
435 xstart = _trackview.editor().frame_to_pixel (_trackview.track()->current_capture_start());
436 xend = _trackview.editor().frame_to_pixel (at);
440 rect.rectangle->set_x0 (xstart);
441 rect.rectangle->set_x1 (xend);
446 StreamView::find_view (boost::shared_ptr<const Region> region)
448 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
450 if ((*i)->region() == region) {
458 StreamView::num_selected_regionviews () const
462 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
463 if ((*i)->get_selected()) {
471 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
473 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
479 StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
481 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
482 if ((*i)->get_selected()) {
489 StreamView::set_selected_regionviews (RegionSelection& regions)
493 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
497 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
504 (*i)->set_selected (selected);
509 /** Get selectable things within a given range.
510 * @param start Start time in session frames.
511 * @param end End time in session frames.
512 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
513 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
514 * @param result Filled in with selectable things.
518 StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
520 layer_t min_layer = 0;
521 layer_t max_layer = 0;
523 if (_layer_display == Stacked) {
524 double const c = child_height ();
526 int const mi = _layers - ((bottom - _trackview.y_position()) / c);
533 int const ma = _layers - ((top - _trackview.y_position()) / c);
534 if (ma > (int) _layers) {
535 max_layer = _layers - 1;
542 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
544 bool layer_ok = true;
546 if (_layer_display == Stacked) {
547 layer_t const l = (*i)->region()->layer ();
548 layer_ok = (min_layer <= l && l <= max_layer);
551 if ((*i)->region()->coverage (start, end) != Evoral::OverlapNone && layer_ok) {
552 results.push_back (*i);
558 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
560 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
561 if (!sel.regions.contains (*i)) {
562 results.push_back (*i);
567 /** @return height of a child region view, depending on stacked / overlaid mode */
569 StreamView::child_height () const
571 switch (_layer_display) {
575 return height / _layers;
577 return height / (_layers * 2 + 1);
585 StreamView::update_contents_height ()
587 const double h = child_height ();
589 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
590 switch (_layer_display) {
595 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
598 (*i)->set_y (height - ((*i)->region()->layer() + 1) * 2 * h);
602 (*i)->set_height (h);
605 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
606 switch (_layer_display) {
608 i->rectangle->set_y1 (height);
612 /* In stacked displays, the recregion is always at the top */
613 i->rectangle->set_y0 (0);
614 i->rectangle->set_y1 (h);
619 ContentsHeightChanged (); /* EMIT SIGNAL */
623 StreamView::set_layer_display (LayerDisplay d)
627 if (_layer_display == Overlaid) {
631 update_contents_height ();
632 update_coverage_frames ();
636 StreamView::update_coverage_frames ()
638 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
639 (*i)->update_coverage_frames (_layer_display);
644 StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
646 if (_new_rec_layer_time < to) {
647 /* The region being recorded has overlapped the start of a top-layered region, so
648 `fake' a new visual layer for the recording. This is only a visual thing for now,
649 as the proper layering will get sorted out when the recorded region is added to
653 /* Stop this happening again */
654 _new_rec_layer_time = max_framepos;
656 /* Make space in the view for the new layer */
659 /* Set the temporary region to the correct layer so that it gets drawn correctly */
660 region->set_layer (_layers - 1);
662 /* and reset the view */
663 update_contents_height ();
668 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
670 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
671 recorded region in. To work out where this needs to happen, find the start of the next
672 top-layered region after the start of the region we are recording and make a note of it.
674 if (_layer_display == Stacked) {
675 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
677 _new_rec_layer_time = max_framepos;
682 StreamView::enter_internal_edit_mode ()
684 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
690 StreamView::leave_internal_edit_mode ()
692 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {