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 (bind (
78 mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event),
79 canvas_rect, &_trackview));
81 if (_trackview.is_track()) {
82 _trackview.track()->DiskstreamChanged.connect (
83 mem_fun (*this, &StreamView::diskstream_changed));
84 _trackview.session().TransportStateChange.connect (
85 mem_fun (*this, &StreamView::transport_changed));
86 _trackview.session().TransportLooped.connect (
87 mem_fun (*this, &StreamView::transport_looped));
88 _trackview.get_diskstream()->RecordEnableChanged.connect (
89 mem_fun (*this, &StreamView::rec_enable_changed));
90 _trackview.session().RecordStateChanged.connect (
91 mem_fun (*this, &StreamView::sess_rec_enable_changed));
94 ColorsChanged.connect (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 (bind (mem_fun (*this, &StreamView::add_region_view), 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 (bind (mem_fun (*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 (bind (
238 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 in the sorted list order
294 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
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 (bind (mem_fun (*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 ();
327 StreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
329 boost::shared_ptr<Diskstream> sp (ds.lock());
331 playlist_changed (sp);
336 StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
338 ENSURE_GUI_THREAD (bind (
339 mem_fun (*this, &StreamView::playlist_changed_weak),
340 boost::weak_ptr<Diskstream> (ds)));
342 /* disconnect from old playlist */
344 for (vector<sigc::connection>::iterator i = playlist_connections.begin();
345 i != playlist_connections.end(); ++i) {
349 playlist_connections.clear();
350 undisplay_diskstream ();
352 /* update layers count and the y positions and heights of our regions */
353 _layers = ds->playlist()->top_layer() + 1;
354 update_contents_height ();
355 update_coverage_frames ();
357 ds->playlist()->set_explicit_relayering (_layer_display == Stacked);
361 redisplay_diskstream ();
365 playlist_connections.push_back (ds->playlist()->Modified.connect (bind (
366 mem_fun (*this, &StreamView::playlist_modified_weak), ds)));
368 playlist_connections.push_back (ds->playlist()->RegionAdded.connect (
369 mem_fun (*this, &StreamView::add_region_view_weak)));
371 playlist_connections.push_back (ds->playlist()->RegionRemoved.connect (
372 mem_fun (*this, &StreamView::remove_region_view)));
376 StreamView::diskstream_changed ()
378 boost::shared_ptr<Track> t;
380 if ((t = _trackview.track()) != 0) {
381 Gtkmm2ext::UI::instance()->call_slot (bind (
382 mem_fun (*this, &StreamView::display_diskstream),
385 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
390 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
393 list<RegionView *>::iterator i;
397 region_color = color;
398 for (i = region_views.begin(); i != region_views.end(); ++i) {
399 (*i)->set_color (region_color);
403 case StreamBaseColor:
404 stream_base_color = RGBA_TO_UINT (
405 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
406 canvas_rect->property_fill_color_rgba() = stream_base_color;
412 StreamView::region_layered (RegionView* rv)
414 /* don't ever leave it at the bottom, since then it doesn't
415 get events - the parent group does instead ...
417 rv->get_canvas_group()->raise (rv->region()->layer());
421 StreamView::rec_enable_changed ()
423 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
427 StreamView::sess_rec_enable_changed ()
429 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
433 StreamView::transport_changed()
435 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
439 StreamView::transport_looped()
441 // to force a new rec region
443 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
447 StreamView::update_rec_box ()
449 if (rec_active && rec_rects.size() > 0) {
450 /* only update the last box */
451 RecBoxInfo & rect = rec_rects.back();
452 nframes_t at = _trackview.get_diskstream()->current_capture_end();
456 switch (_trackview.track()->mode()) {
460 rect.length = at - rect.start;
461 xstart = _trackview.editor().frame_to_pixel (rect.start);
462 xend = _trackview.editor().frame_to_pixel (at);
467 xstart = _trackview.editor().frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
468 xend = _trackview.editor().frame_to_pixel (at);
472 rect.rectangle->property_x1() = xstart;
473 rect.rectangle->property_x2() = xend;
478 StreamView::find_view (boost::shared_ptr<const Region> region)
480 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
482 if ((*i)->region() == region) {
490 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
492 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
498 StreamView::set_selected_regionviews (RegionSelection& regions)
502 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
506 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
513 (*i)->set_selected (selected);
518 StreamView::get_selectables (nframes_t start, nframes_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 ();
525 min_layer = _layers - ((bottom - _trackview.y_position()) / c);
526 max_layer = _layers - ((top - _trackview.y_position()) / c);
529 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
531 bool layer_ok = true;
533 if (_layer_display == Stacked) {
534 layer_t const l = (*i)->region()->layer ();
535 layer_ok = (min_layer <= l && l <= max_layer);
538 if ((*i)->region()->coverage (start, end) != OverlapNone && layer_ok) {
539 results.push_back (*i);
545 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
547 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
548 if (!sel.regions.contains (*i)) {
549 results.push_back (*i);
554 /** @return height of a child region view, depending on stacked / overlaid mode */
556 StreamView::child_height () const
558 if (_layer_display == Stacked) {
559 return height / _layers;
566 StreamView::update_contents_height ()
568 const double h = child_height ();
570 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
571 switch (_layer_display) {
576 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
580 (*i)->set_height (h);
583 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
584 i->rectangle->property_y2() = height - 1.0;
589 StreamView::set_layer_display (LayerDisplay d)
592 update_contents_height ();
593 update_coverage_frames ();
594 _trackview.get_diskstream()->playlist()->set_explicit_relayering (_layer_display == Stacked);
598 StreamView::update_coverage_frames ()
600 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
601 (*i)->update_coverage_frames (_layer_display);