-void
-MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
-{
- ENSURE_GUI_THREAD (bind (mem_fun (*this, &MidiStreamView::update_rec_regions), data, start, dur));
-
- if (use_rec_regions) {
-
- uint32_t n = 0;
- bool update_range = false;
-
- for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
-
- list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
-
- tmp = iter;
- ++tmp;
-
- boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
- if (!region || !iter->second) {
- iter = tmp;
- continue;
- }
-
- if (!canvas_item_visible (rec_rects[n].rectangle)) {
- /* rect already hidden, this region is done */
- iter = tmp;
- continue;
- }
-
- nframes_t origlen = region->length();
-
- if (region == rec_regions.back().first && rec_active) {
-
- if (start >= region->midi_source(0)->timeline_position()) {
-
- nframes_t nlen = start + dur - region->position();
-
- if (nlen != region->length()) {
-
- region->freeze ();
- region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
- region->set_length (start + dur - region->position(), this);
- region->thaw ("updated");
-
- if (origlen == 1) {
- /* our special initial length */
- iter->second = add_region_view_internal (region, false);
- ((MidiRegionView*)iter->second)->begin_write();
- }
-
- /* also update rect */
- ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
- gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
- rect->property_x2() = xend;
-
- /* draw events */
- MidiRegionView* mrv = (MidiRegionView*)iter->second;
- for (size_t i=0; i < data->n_notes(); ++i) {
-
- // FIXME: slooooooooow!
-
- const boost::shared_ptr<MidiRegionView::NoteType> note = data->note_at(i);
-
- if (note->length() > 0 && note->end_time() + region->position() > start)
- mrv->resolve_note(note->note(), note->end_time());
-
- if (note->time() + region->position() < start)
- continue;
-
- if (note->time() + region->position() > start + dur)
- break;
-
- if (note->note() < _lowest_note) {
- _lowest_note = note->note();
- update_range = true;
- } else if (note->note() > _highest_note) {
- _highest_note = note->note();
- update_range = true;
- }
-
- mrv->add_note (note, !update_range);
-
- }
-
- mrv->extend_active_notes();
- }
- }
-
- } else {
-
- nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
-
- if (nlen != region->length()) {
-
- if (region->source_length(0) >= region->position() + nlen) {
-
- region->freeze ();
- region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
- region->set_length (nlen, this);
- region->thaw ("updated");
-
- if (origlen == 1) {
- /* our special initial length */
- iter->second = add_region_view_internal (region, false);
- }
-
- /* also hide rect */
- ArdourCanvas::Item * rect = rec_rects[n].rectangle;
- rect->hide();
-
- }
- }
- }