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/source.h"
29 #include "ardour/track.h"
30 #include "ardour/session.h"
32 #include "streamview.h"
33 #include "global_signals.h"
34 #include "region_view.h"
35 #include "route_time_axis.h"
36 #include "canvas-waveview.h"
37 #include "canvas-simplerect.h"
38 #include "region_selection.h"
39 #include "selection.h"
40 #include "public_editor.h"
41 #include "ardour_ui.h"
42 #include "rgb_macros.h"
43 #include "gui_thread.h"
47 using namespace ARDOUR;
49 using namespace Editing;
51 StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* background_group, ArdourCanvas::Group* canvas_group)
53 , owns_background_group (background_group == 0)
54 , owns_canvas_group (canvas_group == 0)
55 , _background_group (background_group ? background_group : new ArdourCanvas::Group (*_trackview.canvas_background()))
56 , _canvas_group (canvas_group ? canvas_group : new ArdourCanvas::Group(*_trackview.canvas_display()))
57 , _samples_per_unit (_trackview.editor().get_current_zoom ())
60 , region_color(_trackview.color())
61 , stream_base_color(0xFFFFFFFF)
63 , _layer_display (Overlaid)
65 , last_rec_data_frame(0)
67 /* set_position() will position the group */
69 canvas_rect = new ArdourCanvas::SimpleRect (*_background_group);
70 canvas_rect->property_x1() = 0.0;
71 canvas_rect->property_y1() = 0.0;
72 canvas_rect->property_x2() = Gtkmm2ext::physical_screen_width (_trackview.editor().get_window());
73 canvas_rect->property_y2() = (double) tv.current_height();
74 canvas_rect->raise(1); // raise above tempo lines
76 canvas_rect->property_outline_what() = (guint32) (0x2|0x8); // outline RHS and bottom
78 canvas_rect->signal_event().connect (sigc::bind (
79 sigc::mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event),
80 canvas_rect, &_trackview));
82 if (_trackview.is_track()) {
83 _trackview.track()->DiskstreamChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::diskstream_changed, this), gui_context());
84 _trackview.track()->RecordEnableChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed, this), gui_context());
86 _trackview.session()->TransportStateChange.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed, this), gui_context());
87 _trackview.session()->TransportLooped.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped, this), gui_context());
88 _trackview.session()->RecordStateChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
91 ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
94 StreamView::~StreamView ()
100 if (owns_background_group) {
101 delete _background_group;
104 if (owns_canvas_group) {
105 delete _canvas_group;
110 StreamView::attach ()
112 if (_trackview.is_track()) {
113 display_track (_trackview.track ());
118 StreamView::set_position (gdouble x, gdouble y)
120 _canvas_group->property_x() = x;
121 _canvas_group->property_y() = y;
126 StreamView::set_height (double h)
128 /* limit the values to something sane-ish */
129 if (h < 10.0 || h > 1000.0) {
133 if (canvas_rect->property_y2() == h) {
138 canvas_rect->property_y2() = height;
139 update_contents_height ();
145 StreamView::set_samples_per_unit (gdouble spp)
147 RegionViewList::iterator i;
153 _samples_per_unit = spp;
155 for (i = region_views.begin(); i != region_views.end(); ++i) {
156 (*i)->set_samples_per_unit (spp);
159 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
160 RecBoxInfo &recbox = (*xi);
162 gdouble xstart = _trackview.editor().frame_to_pixel (recbox.start);
163 gdouble xend = _trackview.editor().frame_to_pixel (recbox.start + recbox.length);
165 recbox.rectangle->property_x1() = xstart;
166 recbox.rectangle->property_x2() = xend;
169 update_coverage_frames ();
175 StreamView::add_region_view (boost::weak_ptr<Region> wr)
177 boost::shared_ptr<Region> r (wr.lock());
182 add_region_view_internal (r, true);
184 if (_layer_display == Stacked) {
185 update_contents_height ();
190 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
192 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
194 boost::shared_ptr<Region> r (weak_r.lock());
200 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
201 if (((*i)->region()) == r) {
203 region_views.erase (i);
211 StreamView::undisplay_track ()
213 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
214 RegionViewList::iterator next = i;
220 region_views.clear();
224 StreamView::display_track (boost::shared_ptr<Track> tr)
226 playlist_switched_connection.disconnect();
227 playlist_switched (tr);
228 tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
232 StreamView::layer_regions()
234 // In one traversal of the region view list:
235 // - Build a list of region views sorted by layer
236 // - Remove invalid views from the actual region view list
238 list<RegionView*>::iterator i, tmp;
239 for (i = region_views.begin(); i != region_views.end(); ) {
243 if (!(*i)->is_valid()) {
245 region_views.erase (i);
249 (*i)->enable_display(true);
252 if (copy.size() == 0) {
253 copy.push_front((*i));
258 RegionViewList::iterator k = copy.begin();
259 RegionViewList::iterator l = copy.end();
262 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
263 copy.push_front((*i));
266 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
267 copy.push_back((*i));
272 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
273 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
274 copy.insert(j, (*i));
282 // Fix canvas layering by raising each to the top in the sorted order.
283 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
284 (*i)->get_canvas_group()->raise_to_top ();
289 StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
291 boost::shared_ptr<Track> tr (wtr.lock());
297 /* update layers count and the y positions and heights of our regions */
298 if (tr->playlist()) {
299 _layers = tr->playlist()->top_layer() + 1;
302 if (_layer_display == Stacked) {
303 update_contents_height ();
304 update_coverage_frames ();
306 /* layering has probably been modified. reflect this in the canvas. */
312 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
314 boost::shared_ptr<Track> tr (wtr.lock());
320 /* disconnect from old playlist */
322 playlist_connections.drop_connections ();
325 /* update layers count and the y positions and heights of our regions */
326 _layers = tr->playlist()->top_layer() + 1;
327 update_contents_height ();
328 update_coverage_frames ();
330 tr->playlist()->set_explicit_relayering (_layer_display == Stacked);
338 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
339 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::add_region_view, this, _1), gui_context());
340 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::remove_region_view, this, _1), gui_context());
341 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::update_coverage_frames, this), gui_context());
345 StreamView::diskstream_changed ()
347 boost::shared_ptr<Track> t;
349 if ((t = _trackview.track()) != 0) {
350 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
352 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
357 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
359 list<RegionView *>::iterator i;
363 region_color = color;
364 for (i = region_views.begin(); i != region_views.end(); ++i) {
365 (*i)->set_color (region_color);
369 case StreamBaseColor:
370 stream_base_color = RGBA_TO_UINT (
371 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
372 canvas_rect->property_fill_color_rgba() = stream_base_color;
378 StreamView::region_layered (RegionView* rv)
380 /* don't ever leave it at the bottom, since then it doesn't
381 get events - the parent group does instead ...
383 rv->get_canvas_group()->raise (rv->region()->layer());
387 StreamView::rec_enable_changed ()
393 StreamView::sess_rec_enable_changed ()
399 StreamView::transport_changed()
405 StreamView::transport_looped()
407 // to force a new rec region
409 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
413 StreamView::update_rec_box ()
415 if (rec_active && rec_rects.size() > 0) {
416 /* only update the last box */
417 RecBoxInfo & rect = rec_rects.back();
418 framepos_t const at = _trackview.track()->current_capture_end ();
422 switch (_trackview.track()->mode()) {
426 rect.length = at - rect.start;
427 xstart = _trackview.editor().frame_to_pixel (rect.start);
428 xend = _trackview.editor().frame_to_pixel (at);
433 xstart = _trackview.editor().frame_to_pixel (_trackview.track()->current_capture_start());
434 xend = _trackview.editor().frame_to_pixel (at);
438 rect.rectangle->property_x1() = xstart;
439 rect.rectangle->property_x2() = 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 ();
523 min_layer = _layers - ((bottom - _trackview.y_position()) / c);
524 max_layer = _layers - ((top - _trackview.y_position()) / c);
527 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
529 bool layer_ok = true;
531 if (_layer_display == Stacked) {
532 layer_t const l = (*i)->region()->layer ();
533 layer_ok = (min_layer <= l && l <= max_layer);
536 if ((*i)->region()->coverage (start, end) != OverlapNone && layer_ok) {
537 results.push_back (*i);
543 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
545 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
546 if (!sel.regions.contains (*i)) {
547 results.push_back (*i);
552 /** @return height of a child region view, depending on stacked / overlaid mode */
554 StreamView::child_height () const
556 if (_layer_display == Stacked) {
557 return height / _layers;
564 StreamView::update_contents_height ()
566 const double h = child_height ();
568 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
569 switch (_layer_display) {
574 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
578 (*i)->set_height (h);
581 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
582 switch (_layer_display) {
584 i->rectangle->property_y2() = height;
587 /* In stacked displays, the recregion is always at the top */
588 i->rectangle->property_y1() = 0;
589 i->rectangle->property_y2() = h;
596 StreamView::set_layer_display (LayerDisplay d)
599 update_contents_height ();
600 update_coverage_frames ();
601 _trackview.track()->playlist()->set_explicit_relayering (_layer_display == Stacked);
605 StreamView::update_coverage_frames ()
607 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
608 (*i)->update_coverage_frames (_layer_display);
613 StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
615 if (_new_rec_layer_time < to) {
616 /* The region being recorded has overlapped the start of a top-layered region, so
617 `fake' a new visual layer for the recording. This is only a visual thing for now,
618 as the proper layering will get sorted out when the recorded region is added to
622 /* Stop this happening again */
623 _new_rec_layer_time = max_framepos;
625 /* Make space in the view for the new layer */
628 /* Set the temporary region to the correct layer so that it gets drawn correctly */
629 region->set_layer (_layers - 1);
631 /* and reset the view */
632 update_contents_height ();
637 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
639 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
640 recorded region in. To work out where this needs to happen, find the start of the next
641 top-layered region after the start of the region we are recording and make a note of it.
643 if (_layer_display == Stacked) {
644 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
646 _new_rec_layer_time = max_framepos;