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"
31 #include "streamview.h"
32 #include "region_view.h"
33 #include "route_time_axis.h"
34 #include "canvas-waveview.h"
35 #include "canvas-simplerect.h"
36 #include "region_selection.h"
37 #include "selection.h"
38 #include "public_editor.h"
39 #include "ardour_ui.h"
40 #include "rgb_macros.h"
41 #include "gui_thread.h"
45 using namespace ARDOUR;
47 using namespace Editing;
49 StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* group)
51 , owns_canvas_group(group == 0)
52 , _background_group (new ArdourCanvas::Group (*_trackview.canvas_background()))
53 , canvas_group(group ? group : new ArdourCanvas::Group(*_trackview.canvas_display()))
54 , _samples_per_unit (_trackview.editor().get_current_zoom ())
57 , use_rec_regions (tv.editor().show_waveforms_recording ())
58 , region_color(_trackview.color())
59 , stream_base_color(0xFFFFFFFF)
61 , _layer_display (Overlaid)
63 , last_rec_data_frame(0)
65 /* set_position() will position the group */
67 canvas_rect = new ArdourCanvas::SimpleRect (*_background_group);
68 canvas_rect->property_x1() = 0.0;
69 canvas_rect->property_y1() = 0.0;
70 canvas_rect->property_x2() = _trackview.editor().get_physical_screen_width ();
71 canvas_rect->property_y2() = (double) tv.current_height();
72 canvas_rect->raise(1); // raise above tempo lines
74 canvas_rect->property_outline_what() = (guint32) (0x2|0x8); // outline RHS and bottom
76 canvas_rect->signal_event().connect (bind (
77 mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event),
78 canvas_rect, &_trackview));
80 if (_trackview.is_track()) {
81 _trackview.track()->DiskstreamChanged.connect (
82 mem_fun (*this, &StreamView::diskstream_changed));
83 _trackview.session().TransportStateChange.connect (
84 mem_fun (*this, &StreamView::transport_changed));
85 _trackview.session().TransportLooped.connect (
86 mem_fun (*this, &StreamView::transport_looped));
87 _trackview.get_diskstream()->RecordEnableChanged.connect (
88 mem_fun (*this, &StreamView::rec_enable_changed));
89 _trackview.session().RecordStateChanged.connect (
90 mem_fun (*this, &StreamView::sess_rec_enable_changed));
93 ColorsChanged.connect (mem_fun (*this, &StreamView::color_handler));
96 StreamView::~StreamView ()
98 undisplay_diskstream ();
102 if (owns_canvas_group) {
108 StreamView::attach ()
110 if (_trackview.is_track()) {
111 display_diskstream (_trackview.get_diskstream());
116 StreamView::set_position (gdouble x, gdouble y)
118 canvas_group->property_x() = x;
119 canvas_group->property_y() = y;
124 StreamView::set_height (double h)
126 /* limit the values to something sane-ish */
127 if (h < 10.0 || h > 1000.0) {
131 if (canvas_rect->property_y2() == h) {
136 canvas_rect->property_y2() = height;
137 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_weak (boost::weak_ptr<Region> r)
177 boost::shared_ptr<Region> sp (r.lock());
180 add_region_view (sp);
186 StreamView::add_region_view (boost::shared_ptr<Region> r)
188 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::add_region_view), r));
190 add_region_view_internal (r, true);
192 if (_layer_display == Stacked) {
193 update_contents_height ();
198 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
200 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), weak_r));
202 boost::shared_ptr<Region> r (weak_r.lock());
208 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
209 if (((*i)->region()) == r) {
211 region_views.erase (i);
219 StreamView::undisplay_diskstream ()
221 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
222 RegionViewList::iterator next = i;
228 region_views.clear();
232 StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
234 playlist_change_connection.disconnect();
235 playlist_changed (ds);
236 playlist_change_connection = ds->PlaylistChanged.connect (bind (
237 mem_fun (*this, &StreamView::playlist_changed_weak),
238 boost::weak_ptr<Diskstream> (ds)));
242 StreamView::layer_regions()
244 // In one traversal of the region view list:
245 // - Build a list of region views sorted by layer
246 // - Remove invalid views from the actual region view list
248 list<RegionView*>::iterator i, tmp;
249 for (i = region_views.begin(); i != region_views.end(); ) {
253 if (!(*i)->is_valid()) {
255 region_views.erase (i);
259 (*i)->enable_display(true);
262 if (copy.size() == 0) {
263 copy.push_front((*i));
268 RegionViewList::iterator k = copy.begin();
269 RegionViewList::iterator l = copy.end();
272 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
273 copy.push_front((*i));
276 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
277 copy.push_back((*i));
282 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
283 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
284 copy.insert(j, (*i));
292 // Fix canvas layering by raising each in the sorted list order
293 for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
299 StreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
301 boost::shared_ptr<Diskstream> sp (ds.lock());
304 playlist_modified (sp);
309 StreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
311 /* we do not allow shared_ptr<T> to be bound to slots */
312 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_modified_weak), ds));
314 /* update layers count and the y positions and heights of our regions */
315 if (ds->playlist()) {
316 _layers = ds->playlist()->top_layer() + 1;
317 update_contents_height ();
318 update_coverage_frames ();
319 //redisplay_diskstream ();
324 StreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
326 boost::shared_ptr<Diskstream> sp (ds.lock());
328 playlist_changed (sp);
333 StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
335 ENSURE_GUI_THREAD (bind (
336 mem_fun (*this, &StreamView::playlist_changed_weak),
337 boost::weak_ptr<Diskstream> (ds)));
339 /* disconnect from old playlist */
341 for (vector<sigc::connection>::iterator i = playlist_connections.begin();
342 i != playlist_connections.end(); ++i) {
346 playlist_connections.clear();
347 undisplay_diskstream ();
349 /* update layers count and the y positions and heights of our regions */
350 _layers = ds->playlist()->top_layer() + 1;
351 update_contents_height ();
353 update_coverage_frames ();
356 redisplay_diskstream ();
360 playlist_connections.push_back (ds->playlist()->Modified.connect (bind (
361 mem_fun (*this, &StreamView::playlist_modified_weak), ds)));
363 playlist_connections.push_back (ds->playlist()->RegionAdded.connect (
364 mem_fun (*this, &StreamView::add_region_view_weak)));
366 playlist_connections.push_back (ds->playlist()->RegionRemoved.connect (
367 mem_fun (*this, &StreamView::remove_region_view)));
371 StreamView::diskstream_changed ()
373 boost::shared_ptr<Track> t;
375 if ((t = _trackview.track()) != 0) {
376 Gtkmm2ext::UI::instance()->call_slot (bind (
377 mem_fun (*this, &StreamView::display_diskstream),
380 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
385 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
388 list<RegionView *>::iterator i;
392 region_color = color;
393 for (i = region_views.begin(); i != region_views.end(); ++i) {
394 (*i)->set_color (region_color);
398 case StreamBaseColor:
399 stream_base_color = RGBA_TO_UINT (
400 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
401 canvas_rect->property_fill_color_rgba() = stream_base_color;
407 StreamView::region_layered (RegionView* rv)
409 /* don't ever leave it at the bottom, since then it doesn't
410 get events - the parent group does instead ...
412 rv->get_canvas_group()->raise (rv->region()->layer());
416 StreamView::rec_enable_changed ()
418 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
422 StreamView::sess_rec_enable_changed ()
424 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
428 StreamView::transport_changed()
430 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
434 StreamView::transport_looped()
436 // to force a new rec region
438 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
442 StreamView::update_rec_box ()
444 if (rec_active && rec_rects.size() > 0) {
445 /* only update the last box */
446 RecBoxInfo & rect = rec_rects.back();
447 nframes_t at = _trackview.get_diskstream()->current_capture_end();
451 switch (_trackview.track()->mode()) {
455 rect.length = at - rect.start;
456 xstart = _trackview.editor().frame_to_pixel (rect.start);
457 xend = _trackview.editor().frame_to_pixel (at);
462 xstart = _trackview.editor().frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
463 xend = _trackview.editor().frame_to_pixel (at);
467 rect.rectangle->property_x1() = xstart;
468 rect.rectangle->property_x2() = xend;
473 StreamView::find_view (boost::shared_ptr<const Region> region)
475 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
477 if ((*i)->region() == region) {
485 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
487 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
493 StreamView::set_selected_regionviews (RegionSelection& regions)
497 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
501 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
508 (*i)->set_selected (selected);
513 StreamView::get_selectables (nframes_t start, nframes_t end, list<Selectable*>& results)
515 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
516 if ((*i)->region()->coverage(start, end) != OverlapNone) {
517 results.push_back (*i);
523 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
525 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
526 if (!sel.regions.contains (*i)) {
527 results.push_back (*i);
532 /** @return height of a child region view, depending on stacked / overlaid mode */
534 StreamView::child_height () const
536 if (_layer_display == Stacked) {
537 return height / _layers;
544 StreamView::update_contents_height ()
546 const double h = child_height ();
548 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
549 switch (_layer_display) {
554 (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
558 (*i)->set_height (h);
561 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
562 i->rectangle->property_y2() = height - 1.0;
567 StreamView::set_layer_display (LayerDisplay d)
570 update_contents_height ();
571 update_coverage_frames ();
575 StreamView::update_coverage_frames ()
577 for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
578 (*i)->update_coverage_frames (_layer_display);