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 (*this, boost::bind (&StreamView::diskstream_changed, this), gui_context());
83 _trackview.get_diskstream()->RecordEnableChanged.connect (*this, boost::bind (&StreamView::rec_enable_changed, this), gui_context());
85 _trackview.session()->TransportStateChange.connect (*this, boost::bind (&StreamView::transport_changed, this), gui_context());
86 _trackview.session()->TransportLooped.connect (*this, boost::bind (&StreamView::transport_looped, this), gui_context());
87 _trackview.session()->RecordStateChanged.connect (*this, boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
90 ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
93 StreamView::~StreamView ()
95 undisplay_diskstream ();
99 if (owns_canvas_group) {
105 StreamView::attach ()
107 if (_trackview.is_track()) {
108 display_diskstream (_trackview.get_diskstream());
113 StreamView::set_position (gdouble x, gdouble y)
115 canvas_group->property_x() = x;
116 canvas_group->property_y() = y;
121 StreamView::set_height (double h)
123 /* limit the values to something sane-ish */
124 if (h < 10.0 || h > 1000.0) {
128 if (canvas_rect->property_y2() == h) {
133 canvas_rect->property_y2() = height;
134 update_contents_height ();
142 StreamView::set_samples_per_unit (gdouble spp)
144 RegionViewList::iterator i;
150 _samples_per_unit = spp;
152 for (i = region_views.begin(); i != region_views.end(); ++i) {
153 (*i)->set_samples_per_unit (spp);
156 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
157 RecBoxInfo &recbox = (*xi);
159 gdouble xstart = _trackview.editor().frame_to_pixel (recbox.start);
160 gdouble xend = _trackview.editor().frame_to_pixel (recbox.start + recbox.length);
162 recbox.rectangle->property_x1() = xstart;
163 recbox.rectangle->property_x2() = xend;
166 update_coverage_frames ();
172 StreamView::add_region_view_weak (boost::weak_ptr<Region> r)
174 boost::shared_ptr<Region> sp (r.lock());
177 add_region_view (sp);
183 StreamView::add_region_view (boost::shared_ptr<Region> r)
185 ENSURE_GUI_THREAD (*this, &StreamView::add_region_view_weak, boost::weak_ptr<Region>(r));
187 add_region_view_internal (r, true);
189 if (_layer_display == Stacked) {
190 update_contents_height ();
195 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
197 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
199 boost::shared_ptr<Region> r (weak_r.lock());
205 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
206 if (((*i)->region()) == r) {
208 region_views.erase (i);
209 cerr << "Deleting RV for " << r->name() << " @ " << r << endl;
217 StreamView::undisplay_diskstream ()
219 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
220 RegionViewList::iterator next = i;
226 region_views.clear();
230 StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
232 playlist_change_connection.disconnect();
233 playlist_changed (ds);
234 ds->PlaylistChanged.connect (playlist_change_connection, boost::bind (&StreamView::playlist_changed_weak, this, boost::weak_ptr<Diskstream> (ds)), gui_context());
238 StreamView::layer_regions()
240 // In one traversal of the region view list:
241 // - Build a list of region views sorted by layer
242 // - Remove invalid views from the actual region view list
244 list<RegionView*>::iterator i, tmp;
245 for (i = region_views.begin(); i != region_views.end(); ) {
249 if (!(*i)->is_valid()) {
251 region_views.erase (i);
255 (*i)->enable_display(true);
258 if (copy.size() == 0) {
259 copy.push_front((*i));
264 RegionViewList::iterator k = copy.begin();
265 RegionViewList::iterator l = copy.end();
268 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
269 copy.push_front((*i));
272 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
273 copy.push_back((*i));
278 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
279 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
280 copy.insert(j, (*i));
288 // Fix canvas layering by raising each to the top in the sorted order.
289 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
290 (*i)->get_canvas_group()->raise_to_top ();
295 StreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
297 boost::shared_ptr<Diskstream> sp (ds.lock());
300 playlist_modified (sp);
305 StreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
307 /* we do not allow shared_ptr<T> to be bound to slots */
308 ENSURE_GUI_THREAD (*this, &StreamView::playlist_modified_weak, ds)
310 /* update layers count and the y positions and heights of our regions */
311 if (ds->playlist()) {
312 _layers = ds->playlist()->top_layer() + 1;
315 if (_layer_display == Stacked) {
316 update_contents_height ();
317 update_coverage_frames ();
319 /* layering has probably been modified. reflect this in the canvas. */
325 StreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
327 boost::shared_ptr<Diskstream> sp (ds.lock());
329 playlist_changed (sp);
334 StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
336 ENSURE_GUI_THREAD (*this, &StreamView::playlist_changed_weak, boost::weak_ptr<Diskstream> (ds));
338 /* disconnect from old playlist */
340 playlist_connections.drop_connections ();
341 undisplay_diskstream ();
343 /* update layers count and the y positions and heights of our regions */
344 _layers = ds->playlist()->top_layer() + 1;
345 update_contents_height ();
346 update_coverage_frames ();
348 ds->playlist()->set_explicit_relayering (_layer_display == Stacked);
352 redisplay_diskstream ();
356 ds->playlist()->Modified.connect (playlist_connections, boost::bind (&StreamView::playlist_modified_weak, this, ds), gui_context());
357 ds->playlist()->RegionAdded.connect (playlist_connections, ui_bind (&StreamView::add_region_view_weak, this, _1), gui_context());
358 ds->playlist()->RegionRemoved.connect (playlist_connections, ui_bind (&StreamView::remove_region_view, this, _1), gui_context());
362 StreamView::diskstream_changed ()
364 boost::shared_ptr<Track> t;
366 if ((t = _trackview.track()) != 0) {
367 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::display_diskstream, this, t->diskstream()));
369 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::undisplay_diskstream, this));
374 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
377 list<RegionView *>::iterator i;
381 region_color = color;
382 for (i = region_views.begin(); i != region_views.end(); ++i) {
383 (*i)->set_color (region_color);
387 case StreamBaseColor:
388 stream_base_color = RGBA_TO_UINT (
389 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
390 canvas_rect->property_fill_color_rgba() = stream_base_color;
396 StreamView::region_layered (RegionView* rv)
398 /* don't ever leave it at the bottom, since then it doesn't
399 get events - the parent group does instead ...
401 rv->get_canvas_group()->raise (rv->region()->layer());
405 StreamView::rec_enable_changed ()
407 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
411 StreamView::sess_rec_enable_changed ()
413 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
417 StreamView::transport_changed()
419 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
423 StreamView::transport_looped()
425 // to force a new rec region
427 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box, this));
431 StreamView::update_rec_box ()
433 if (rec_active && rec_rects.size() > 0) {
434 /* only update the last box */
435 RecBoxInfo & rect = rec_rects.back();
436 nframes_t at = _trackview.get_diskstream()->current_capture_end();
440 switch (_trackview.track()->mode()) {
444 rect.length = at - rect.start;
445 xstart = _trackview.editor().frame_to_pixel (rect.start);
446 xend = _trackview.editor().frame_to_pixel (at);
451 xstart = _trackview.editor().frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
452 xend = _trackview.editor().frame_to_pixel (at);
456 rect.rectangle->property_x1() = xstart;
457 rect.rectangle->property_x2() = xend;
462 StreamView::find_view (boost::shared_ptr<const Region> region)
464 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
466 if ((*i)->region() == region) {
474 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
476 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
482 StreamView::set_selected_regionviews (RegionSelection& regions)
486 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
490 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
497 (*i)->set_selected (selected);
502 StreamView::get_selectables (nframes_t start, nframes_t end, double top, double bottom, list<Selectable*>& results)
504 layer_t min_layer = 0;
505 layer_t max_layer = 0;
507 if (_layer_display == Stacked) {
508 double const c = child_height ();
509 min_layer = _layers - ((bottom - _trackview.y_position()) / c);
510 max_layer = _layers - ((top - _trackview.y_position()) / c);
513 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
515 bool layer_ok = true;
517 if (_layer_display == Stacked) {
518 layer_t const l = (*i)->region()->layer ();
519 layer_ok = (min_layer <= l && l <= max_layer);
522 if ((*i)->region()->coverage (start, end) != OverlapNone && layer_ok) {
523 results.push_back (*i);
529 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
531 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
532 if (!sel.regions.contains (*i)) {
533 results.push_back (*i);
538 /** @return height of a child region view, depending on stacked / overlaid mode */
540 StreamView::child_height () const
542 if (_layer_display == Stacked) {
543 return height / _layers;
550 StreamView::update_contents_height ()
552 const double h = child_height ();
554 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
555 switch (_layer_display) {
560 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
564 (*i)->set_height (h);
567 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
568 i->rectangle->property_y2() = height - 1.0;
573 StreamView::set_layer_display (LayerDisplay d)
576 update_contents_height ();
577 update_coverage_frames ();
578 _trackview.get_diskstream()->playlist()->set_explicit_relayering (_layer_display == Stacked);
582 StreamView::update_coverage_frames ()
584 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
585 (*i)->update_coverage_frames (_layer_display);