- ENSURE_GUI_THREAD (bind (mem_fun (*this, &MidiStreamView::update_rec_regions), data, start, dur));
-
- if (use_rec_regions) {
-
- uint32_t n = 0;
-
- 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;
-
- if (!canvas_item_visible (rec_rects[n].rectangle)) {
- /* rect already hidden, this region is done */
- iter = tmp;
- continue;
- }
-
- boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
- if (!region) {
- continue;
- }
-
- nframes_t origlen = region->length();
-
- //cerr << "MIDI URR: " << start << " * " << dur
- // << " (origlen " << origlen << ")" << endl;
-
- if (region == rec_regions.back().first && rec_active) {
-
- if (start >= region->start()) {
-
- nframes_t nlen = start + dur - region->start();
-
- if (nlen != region->length()) {
-
- 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);
- ((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->size(); ++i) {
- const MidiEvent& ev = (*data.get())[i];
- mrv->add_event(ev);
- mrv->extend_active_notes();
- }