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
77 canvas_rect->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 255);
79 canvas_rect->signal_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 ()
101 if (owns_background_group) {
102 delete _background_group;
105 if (owns_canvas_group) {
106 delete _canvas_group;
111 StreamView::attach ()
113 if (_trackview.is_track()) {
114 display_track (_trackview.track ());
119 StreamView::set_position (gdouble x, gdouble y)
121 _canvas_group->property_x() = x;
122 _canvas_group->property_y() = y;
127 StreamView::set_height (double h)
129 /* limit the values to something sane-ish */
130 if (h < 10.0 || h > 1000.0) {
134 if (canvas_rect->property_y2() == h) {
139 canvas_rect->property_y2() = height;
140 update_contents_height ();
146 StreamView::set_samples_per_unit (gdouble spp)
148 RegionViewList::iterator i;
154 _samples_per_unit = spp;
156 for (i = region_views.begin(); i != region_views.end(); ++i) {
157 (*i)->set_samples_per_unit (spp);
160 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
161 RecBoxInfo &recbox = (*xi);
163 gdouble xstart = _trackview.editor().frame_to_pixel (recbox.start);
164 gdouble xend = _trackview.editor().frame_to_pixel (recbox.start + recbox.length);
166 recbox.rectangle->property_x1() = xstart;
167 recbox.rectangle->property_x2() = xend;
170 update_coverage_frames ();
176 StreamView::add_region_view (boost::weak_ptr<Region> wr)
178 boost::shared_ptr<Region> r (wr.lock());
183 add_region_view_internal (r, true);
185 if (_layer_display == Stacked) {
186 update_contents_height ();
191 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
193 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
195 boost::shared_ptr<Region> r (weak_r.lock());
201 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
202 if (((*i)->region()) == r) {
204 region_views.erase (i);
210 RegionViewRemoved (); /* EMIT SIGNAL */
214 StreamView::undisplay_track ()
216 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
217 RegionViewList::iterator next = i;
223 region_views.clear();
227 StreamView::display_track (boost::shared_ptr<Track> tr)
229 playlist_switched_connection.disconnect();
230 playlist_switched (tr);
231 tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
235 StreamView::layer_regions()
237 // In one traversal of the region view list:
238 // - Build a list of region views sorted by layer
239 // - Remove invalid views from the actual region view list
241 list<RegionView*>::iterator i, tmp;
242 for (i = region_views.begin(); i != region_views.end(); ) {
246 if (!(*i)->is_valid()) {
248 region_views.erase (i);
252 (*i)->enable_display(true);
255 if (copy.size() == 0) {
256 copy.push_front((*i));
261 RegionViewList::iterator k = copy.begin();
262 RegionViewList::iterator l = copy.end();
265 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
266 copy.push_front((*i));
269 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
270 copy.push_back((*i));
275 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
276 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
277 copy.insert(j, (*i));
285 // Fix canvas layering by raising each to the top in the sorted order.
286 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
287 (*i)->get_canvas_group()->raise_to_top ();
292 StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
294 boost::shared_ptr<Track> tr (wtr.lock());
300 /* update layers count and the y positions and heights of our regions */
301 if (tr->playlist()) {
302 _layers = tr->playlist()->top_layer() + 1;
305 if (_layer_display == Stacked) {
306 update_contents_height ();
307 update_coverage_frames ();
309 /* layering has probably been modified. reflect this in the canvas. */
315 StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
317 boost::shared_ptr<Track> tr (wtr.lock());
323 /* disconnect from old playlist */
325 playlist_connections.drop_connections ();
328 /* update layers count and the y positions and heights of our regions */
329 _layers = tr->playlist()->top_layer() + 1;
330 update_contents_height ();
331 update_coverage_frames ();
333 tr->playlist()->set_explicit_relayering (_layer_display == Stacked);
341 tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
342 tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::add_region_view, this, _1), gui_context());
343 tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::remove_region_view, this, _1), gui_context());
344 tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), ui_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 (
374 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
375 canvas_rect->property_fill_color_rgba() = stream_base_color;
381 StreamView::region_layered (RegionView* rv)
383 /* don't ever leave it at the bottom, since then it doesn't
384 get events - the parent group does instead ...
386 rv->get_canvas_group()->raise (rv->region()->layer());
390 StreamView::rec_enable_changed ()
396 StreamView::sess_rec_enable_changed ()
402 StreamView::transport_changed()
408 StreamView::transport_looped()
410 // to force a new rec region
412 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
416 StreamView::update_rec_box ()
418 if (rec_active && rec_rects.size() > 0) {
419 /* only update the last box */
420 RecBoxInfo & rect = rec_rects.back();
421 framepos_t const at = _trackview.track()->current_capture_end ();
425 switch (_trackview.track()->mode()) {
429 rect.length = at - rect.start;
430 xstart = _trackview.editor().frame_to_pixel (rect.start);
431 xend = _trackview.editor().frame_to_pixel (at);
436 xstart = _trackview.editor().frame_to_pixel (_trackview.track()->current_capture_start());
437 xend = _trackview.editor().frame_to_pixel (at);
441 rect.rectangle->property_x1() = xstart;
442 rect.rectangle->property_x2() = xend;
447 StreamView::find_view (boost::shared_ptr<const Region> region)
449 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
451 if ((*i)->region() == region) {
459 StreamView::num_selected_regionviews () const
463 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
464 if ((*i)->get_selected()) {
472 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
474 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
480 StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
482 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
483 if ((*i)->get_selected()) {
490 StreamView::set_selected_regionviews (RegionSelection& regions)
494 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
498 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
505 (*i)->set_selected (selected);
510 /** Get selectable things within a given range.
511 * @param start Start time in session frames.
512 * @param end End time in session frames.
513 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
514 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
515 * @param result Filled in with selectable things.
519 StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
521 layer_t min_layer = 0;
522 layer_t max_layer = 0;
524 if (_layer_display == Stacked) {
525 double const c = child_height ();
527 int const mi = _layers - ((bottom - _trackview.y_position()) / c);
534 int const ma = _layers - ((top - _trackview.y_position()) / c);
536 max_layer = _layers - 1;
543 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
545 bool layer_ok = true;
547 if (_layer_display == Stacked) {
548 layer_t const l = (*i)->region()->layer ();
549 layer_ok = (min_layer <= l && l <= max_layer);
552 if ((*i)->region()->coverage (start, end) != OverlapNone && layer_ok) {
553 results.push_back (*i);
559 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
561 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
562 if (!sel.regions.contains (*i)) {
563 results.push_back (*i);
568 /** @return height of a child region view, depending on stacked / overlaid mode */
570 StreamView::child_height () const
572 if (_layer_display == Stacked) {
573 return height / _layers;
580 StreamView::update_contents_height ()
582 const double h = child_height ();
584 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
585 switch (_layer_display) {
590 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
594 (*i)->set_height (h);
597 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
598 switch (_layer_display) {
600 i->rectangle->property_y2() = height;
603 /* In stacked displays, the recregion is always at the top */
604 i->rectangle->property_y1() = 0;
605 i->rectangle->property_y2() = h;
612 StreamView::set_layer_display (LayerDisplay d)
615 update_contents_height ();
616 update_coverage_frames ();
617 _trackview.track()->playlist()->set_explicit_relayering (_layer_display == Stacked);
621 StreamView::update_coverage_frames ()
623 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
624 (*i)->update_coverage_frames (_layer_display);
629 StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
631 if (_new_rec_layer_time < to) {
632 /* The region being recorded has overlapped the start of a top-layered region, so
633 `fake' a new visual layer for the recording. This is only a visual thing for now,
634 as the proper layering will get sorted out when the recorded region is added to
638 /* Stop this happening again */
639 _new_rec_layer_time = max_framepos;
641 /* Make space in the view for the new layer */
644 /* Set the temporary region to the correct layer so that it gets drawn correctly */
645 region->set_layer (_layers - 1);
647 /* and reset the view */
648 update_contents_height ();
653 StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
655 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
656 recorded region in. To work out where this needs to happen, find the start of the next
657 top-layered region after the start of the region we are recording and make a note of it.
659 if (_layer_display == Stacked) {
660 _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
662 _new_rec_layer_time = max_framepos;
667 StreamView::enter_internal_edit_mode ()
669 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
675 StreamView::leave_internal_edit_mode ()
677 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {