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>
25 #include "ardour/playlist.h"
26 #include "ardour/region.h"
27 #include "ardour/source.h"
28 #include "ardour/diskstream.h"
29 #include "ardour/track.h"
30 #include "ardour/session.h"
32 #include "streamview.h"
33 #include "region_view.h"
34 #include "route_time_axis.h"
35 #include "canvas-waveview.h"
36 #include "canvas-simplerect.h"
37 #include "region_selection.h"
38 #include "selection.h"
39 #include "public_editor.h"
40 #include "ardour_ui.h"
41 #include "rgb_macros.h"
42 #include "gui_thread.h"
46 using namespace ARDOUR;
48 using namespace Editing;
50 StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* group)
52 , owns_canvas_group(group == 0)
53 , _background_group (new ArdourCanvas::Group (*_trackview.canvas_background()))
54 , canvas_group(group ? group : new ArdourCanvas::Group(*_trackview.canvas_display()))
55 , _samples_per_unit (_trackview.editor().get_current_zoom ())
58 , use_rec_regions (tv.editor().show_waveforms_recording ())
59 , region_color(_trackview.color())
60 , stream_base_color(0xFFFFFFFF)
62 , _layer_display (Overlaid)
64 , last_rec_data_frame(0)
66 /* set_position() will position the group */
68 canvas_rect = new ArdourCanvas::SimpleRect (*_background_group);
69 canvas_rect->property_x1() = 0.0;
70 canvas_rect->property_y1() = 0.0;
71 canvas_rect->property_x2() = _trackview.editor().get_physical_screen_width ();
72 canvas_rect->property_y2() = (double) tv.current_height();
73 canvas_rect->raise(1); // raise above tempo lines
75 canvas_rect->property_outline_what() = (guint32) (0x2|0x8); // outline RHS and bottom
77 canvas_rect->signal_event().connect (sigc::bind (
78 sigc::mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event),
79 canvas_rect, &_trackview));
81 if (_trackview.is_track()) {
82 _trackview.track()->DiskstreamChanged.connect (
83 sigc::mem_fun (*this, &StreamView::diskstream_changed));
84 _trackview.session().TransportStateChange.connect (
85 sigc::mem_fun (*this, &StreamView::transport_changed));
86 _trackview.session().TransportLooped.connect (
87 sigc::mem_fun (*this, &StreamView::transport_looped));
88 _trackview.get_diskstream()->RecordEnableChanged.connect (
89 sigc::mem_fun (*this, &StreamView::rec_enable_changed));
90 _trackview.session().RecordStateChanged.connect (
91 sigc::mem_fun (*this, &StreamView::sess_rec_enable_changed));
94 ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
97 StreamView::~StreamView ()
99 undisplay_diskstream ();
103 if (owns_canvas_group) {
109 StreamView::attach ()
111 if (_trackview.is_track()) {
112 display_diskstream (_trackview.get_diskstream());
117 StreamView::set_position (gdouble x, gdouble y)
119 canvas_group->property_x() = x;
120 canvas_group->property_y() = y;
125 StreamView::set_height (double h)
127 /* limit the values to something sane-ish */
128 if (h < 10.0 || h > 1000.0) {
132 if (canvas_rect->property_y2() == h) {
137 canvas_rect->property_y2() = height;
138 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_weak (boost::weak_ptr<Region> r)
178 boost::shared_ptr<Region> sp (r.lock());
181 add_region_view (sp);
187 StreamView::add_region_view (boost::shared_ptr<Region> r)
189 ENSURE_GUI_THREAD (*this, &StreamView::add_region_view_weak, boost::weak_ptr<Region>(r));
191 add_region_view_internal (r, true);
193 if (_layer_display == Stacked) {
194 update_contents_height ();
199 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
201 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
203 boost::shared_ptr<Region> r (weak_r.lock());
209 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
210 if (((*i)->region()) == r) {
212 region_views.erase (i);
220 StreamView::undisplay_diskstream ()
222 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
223 RegionViewList::iterator next = i;
229 region_views.clear();
233 StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
235 playlist_change_connection.disconnect();
236 playlist_changed (ds);
237 playlist_change_connection = ds->PlaylistChanged.connect (
238 sigc::bind (sigc::mem_fun (*this, &StreamView::playlist_changed_weak),
239 boost::weak_ptr<Diskstream> (ds)));
243 StreamView::layer_regions()
245 // In one traversal of the region view list:
246 // - Build a list of region views sorted by layer
247 // - Remove invalid views from the actual region view list
249 list<RegionView*>::iterator i, tmp;
250 for (i = region_views.begin(); i != region_views.end(); ) {
254 if (!(*i)->is_valid()) {
256 region_views.erase (i);
260 (*i)->enable_display(true);
263 if (copy.size() == 0) {
264 copy.push_front((*i));
269 RegionViewList::iterator k = copy.begin();
270 RegionViewList::iterator l = copy.end();
273 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
274 copy.push_front((*i));
277 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
278 copy.push_back((*i));
283 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
284 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
285 copy.insert(j, (*i));
293 // Fix canvas layering by raising each to the top in the sorted order.
294 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
295 (*i)->get_canvas_group()->raise_to_top ();
300 StreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
302 boost::shared_ptr<Diskstream> sp (ds.lock());
305 playlist_modified (sp);
310 StreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
312 /* we do not allow shared_ptr<T> to be bound to slots */
313 ENSURE_GUI_THREAD (*this, &StreamView::playlist_modified_weak, ds)
315 /* update layers count and the y positions and heights of our regions */
316 if (ds->playlist()) {
317 _layers = ds->playlist()->top_layer() + 1;
320 if (_layer_display == Stacked) {
321 update_contents_height ();
322 update_coverage_frames ();
324 /* layering has probably been modified. reflect this in the canvas. */
330 StreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
332 boost::shared_ptr<Diskstream> sp (ds.lock());
334 playlist_changed (sp);
339 StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
341 ENSURE_GUI_THREAD (*this, &StreamView::playlist_changed_weak, boost::weak_ptr<Diskstream> (ds));
343 /* disconnect from old playlist */
345 for (vector<sigc::connection>::iterator i = playlist_connections.begin();
346 i != playlist_connections.end(); ++i) {
350 playlist_connections.clear();
351 undisplay_diskstream ();
353 /* update layers count and the y positions and heights of our regions */
354 _layers = ds->playlist()->top_layer() + 1;
355 update_contents_height ();
356 update_coverage_frames ();
358 ds->playlist()->set_explicit_relayering (_layer_display == Stacked);
362 redisplay_diskstream ();
366 playlist_connections.push_back (ds->playlist()->Modified.connect (sigc::bind (
367 sigc::mem_fun (*this, &StreamView::playlist_modified_weak), ds)));
369 playlist_connections.push_back (ds->playlist()->RegionAdded.connect (
370 sigc::mem_fun (*this, &StreamView::add_region_view_weak)));
372 playlist_connections.push_back (ds->playlist()->RegionRemoved.connect (
373 sigc::mem_fun (*this, &StreamView::remove_region_view)));
377 StreamView::diskstream_changed ()
379 boost::shared_ptr<Track> t;
381 if ((t = _trackview.track()) != 0) {
382 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::display_diskstream, this, t->diskstream()));
384 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::undisplay_diskstream, this));
389 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
392 list<RegionView *>::iterator i;
396 region_color = color;
397 for (i = region_views.begin(); i != region_views.end(); ++i) {
398 (*i)->set_color (region_color);
402 case StreamBaseColor:
403 stream_base_color = RGBA_TO_UINT (
404 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
405 canvas_rect->property_fill_color_rgba() = stream_base_color;
411 StreamView::region_layered (RegionView* rv)
413 /* don't ever leave it at the bottom, since then it doesn't
414 get events - the parent group does instead ...
416 rv->get_canvas_group()->raise (rv->region()->layer());
420 StreamView::rec_enable_changed ()
422 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
426 StreamView::sess_rec_enable_changed ()
428 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
432 StreamView::transport_changed()
434 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
438 StreamView::transport_looped()
440 // to force a new rec region
442 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
446 StreamView::update_rec_box ()
448 if (rec_active && rec_rects.size() > 0) {
449 /* only update the last box */
450 RecBoxInfo & rect = rec_rects.back();
451 nframes_t at = _trackview.get_diskstream()->current_capture_end();
455 switch (_trackview.track()->mode()) {
459 rect.length = at - rect.start;
460 xstart = _trackview.editor().frame_to_pixel (rect.start);
461 xend = _trackview.editor().frame_to_pixel (at);
466 xstart = _trackview.editor().frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
467 xend = _trackview.editor().frame_to_pixel (at);
471 rect.rectangle->property_x1() = xstart;
472 rect.rectangle->property_x2() = xend;
477 StreamView::find_view (boost::shared_ptr<const Region> region)
479 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
481 if ((*i)->region() == region) {
489 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
491 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
497 StreamView::set_selected_regionviews (RegionSelection& regions)
501 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
505 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
512 (*i)->set_selected (selected);
517 StreamView::get_selectables (nframes_t start, nframes_t end, double top, double bottom, list<Selectable*>& results)
519 layer_t min_layer = 0;
520 layer_t max_layer = 0;
522 if (_layer_display == Stacked) {
523 double const c = child_height ();
524 min_layer = _layers - ((bottom - _trackview.y_position()) / c);
525 max_layer = _layers - ((top - _trackview.y_position()) / c);
528 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
530 bool layer_ok = true;
532 if (_layer_display == Stacked) {
533 layer_t const l = (*i)->region()->layer ();
534 layer_ok = (min_layer <= l && l <= max_layer);
537 if ((*i)->region()->coverage (start, end) != OverlapNone && layer_ok) {
538 results.push_back (*i);
544 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
546 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
547 if (!sel.regions.contains (*i)) {
548 results.push_back (*i);
553 /** @return height of a child region view, depending on stacked / overlaid mode */
555 StreamView::child_height () const
557 if (_layer_display == Stacked) {
558 return height / _layers;
565 StreamView::update_contents_height ()
567 const double h = child_height ();
569 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
570 switch (_layer_display) {
575 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
579 (*i)->set_height (h);
582 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
583 i->rectangle->property_y2() = height - 1.0;
588 StreamView::set_layer_display (LayerDisplay d)
591 update_contents_height ();
592 update_coverage_frames ();
593 _trackview.get_diskstream()->playlist()->set_explicit_relayering (_layer_display == Stacked);
597 StreamView::update_coverage_frames ()
599 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
600 (*i)->update_coverage_frames (_layer_display);