IMPORTANT: names have not been downcased and spaced yet, so many colors are not found
691 lines
18 KiB
C++
691 lines
18 KiB
C++
/*
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Copyright (C) 2001-2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <cmath>
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#include <utility>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include "canvas/line_set.h"
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#include "canvas/rectangle.h"
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#include "ardour/midi_region.h"
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#include "ardour/midi_source.h"
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#include "ardour/midi_track.h"
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#include "ardour/operations.h"
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#include "ardour/region_factory.h"
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#include "ardour/session.h"
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#include "ardour/smf_source.h"
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#include "ardour_ui.h"
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#include "global_signals.h"
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#include "gui_thread.h"
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#include "midi_region_view.h"
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#include "midi_streamview.h"
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#include "midi_time_axis.h"
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#include "midi_util.h"
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#include "public_editor.h"
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#include "region_selection.h"
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#include "region_view.h"
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#include "rgb_macros.h"
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#include "selection.h"
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#include "utils.h"
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace ARDOUR_UI_UTILS;
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using namespace PBD;
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using namespace Editing;
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MidiStreamView::MidiStreamView (MidiTimeAxisView& tv)
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: StreamView (tv)
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, note_range_adjustment(0.0f, 0.0f, 0.0f)
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, _range_dirty(false)
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, _range_sum_cache(-1.0)
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, _lowest_note(60)
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, _highest_note(71)
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, _data_note_min(60)
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, _data_note_max(71)
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, _note_lines (0)
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, _updates_suspended (false)
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{
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/* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
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midi_underlay_group = new ArdourCanvas::Container (_canvas_group);
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midi_underlay_group->lower_to_bottom();
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/* put the note lines in the timeaxisview's group, so it
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can be put below ghost regions from MIDI underlays
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*/
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_note_lines = new ArdourCanvas::LineSet (_canvas_group, ArdourCanvas::LineSet::Horizontal);
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_note_lines->Event.connect(
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sigc::bind(sigc::mem_fun(_trackview.editor(),
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&PublicEditor::canvas_stream_view_event),
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_note_lines, &_trackview));
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_note_lines->lower_to_bottom();
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color_handler ();
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ColorsChanged.connect(sigc::mem_fun(*this, &MidiStreamView::color_handler));
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note_range_adjustment.set_page_size(_highest_note - _lowest_note);
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note_range_adjustment.set_value(_lowest_note);
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note_range_adjustment.signal_value_changed().connect(
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sigc::mem_fun(*this, &MidiStreamView::note_range_adjustment_changed));
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}
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MidiStreamView::~MidiStreamView ()
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{
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}
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RegionView*
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MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool /*wfd*/, bool)
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{
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boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
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if (region == 0) {
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return 0;
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}
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RegionView* region_view = new MidiRegionView (_canvas_group, _trackview, region,
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_samples_per_pixel, region_color);
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region_view->init (false);
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return region_view;
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}
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RegionView*
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MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_data, bool recording)
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{
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boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
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if (!region) {
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return 0;
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}
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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if ((*i)->region() == r) {
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/* great. we already have a MidiRegionView for this Region. use it again. */
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(*i)->set_valid (true);
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display_region(dynamic_cast<MidiRegionView*>(*i), wait_for_data);
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return 0;
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}
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}
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MidiRegionView* region_view = dynamic_cast<MidiRegionView*> (create_region_view (r, wait_for_data, recording));
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if (region_view == 0) {
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return 0;
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}
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region_views.push_front (region_view);
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if (_trackview.editor().internal_editing()) {
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region_view->hide_rect ();
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} else {
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region_view->show_rect ();
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}
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/* display events and find note range */
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display_region (region_view, wait_for_data);
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/* fit note range if we are importing */
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if (_trackview.session()->operation_in_progress (Operations::insert_file)) {
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set_note_range (ContentsRange);
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}
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/* catch regionview going away */
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boost::weak_ptr<Region> wr (region); // make this explicit
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region->DropReferences.connect (*this, invalidator (*this), boost::bind (&MidiStreamView::remove_region_view, this, wr), gui_context());
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RegionViewAdded (region_view);
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return region_view;
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}
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void
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MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
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{
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if (!region_view) {
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return;
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}
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region_view->enable_display (true);
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region_view->set_height (child_height());
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boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
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if (!source) {
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error << _("attempt to display MIDI region with no source") << endmsg;
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return;
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}
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if (load_model) {
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source->load_model();
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}
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if (!source->model()) {
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error << _("attempt to display MIDI region with no model") << endmsg;
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return;
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}
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_range_dirty = update_data_note_range(
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source->model()->lowest_note(),
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source->model()->highest_note());
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// Display region contents
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region_view->display_model(source->model());
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}
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void
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MidiStreamView::display_track (boost::shared_ptr<Track> tr)
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{
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StreamView::display_track (tr);
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draw_note_lines();
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NoteRangeChanged();
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}
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void
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MidiStreamView::update_contents_metrics(boost::shared_ptr<Region> r)
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{
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boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(r);
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if (mr) {
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mr->midi_source(0)->load_model();
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_range_dirty = update_data_note_range(
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mr->model()->lowest_note(),
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mr->model()->highest_note());
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}
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}
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bool
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MidiStreamView::update_data_note_range(uint8_t min, uint8_t max)
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{
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bool dirty = false;
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if (min < _data_note_min) {
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_data_note_min = min;
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dirty = true;
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}
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if (max > _data_note_max) {
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_data_note_max = max;
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dirty = true;
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}
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return dirty;
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}
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void
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MidiStreamView::redisplay_track ()
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{
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if (!_trackview.is_midi_track()) {
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return;
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}
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list<RegionView*>::iterator i;
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// Load models if necessary, and find note range of all our contents
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_range_dirty = false;
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_data_note_min = 127;
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_data_note_max = 0;
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_trackview.track()->playlist()->foreach_region(
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sigc::mem_fun (*this, &StreamView::update_contents_metrics));
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// No notes, use default range
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if (!_range_dirty) {
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_data_note_min = 60;
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_data_note_max = 71;
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}
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// Flag region views as invalid and disable drawing
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for (i = region_views.begin(); i != region_views.end(); ++i) {
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(*i)->set_valid(false);
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(*i)->enable_display(false);
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}
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// Add and display region views, and flag them as valid
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_trackview.track()->playlist()->foreach_region(
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sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view)));
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// Stack regions by layer, and remove invalid regions
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layer_regions();
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// Update note range (not regions which are correct) and draw note lines
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apply_note_range(_lowest_note, _highest_note, false);
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}
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void
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MidiStreamView::update_contents_height ()
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{
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StreamView::update_contents_height();
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_note_lines->set_extent (ArdourCanvas::COORD_MAX);
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apply_note_range (lowest_note(), highest_note(), true);
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}
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void
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MidiStreamView::draw_note_lines()
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{
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if (!_note_lines || _updates_suspended) {
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return;
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}
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double y;
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double prev_y = .5;
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uint32_t color;
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_note_lines->clear();
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if (child_height() < 140 || note_height() < 3) {
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/* track is too small for note lines, or there are too many */
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return;
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}
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/* do this is order of highest ... lowest since that matches the
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* coordinate system in which y=0 is at the top
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*/
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for (int i = highest_note() + 1; i >= lowest_note(); --i) {
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y = floor(note_to_y (i)) + .5;
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/* this is the line actually corresponding to the division
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* between notes
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*/
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if (i <= highest_note()) {
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_note_lines->add (y, 1.0, ARDOUR_UI::config()->color ("PianoRollBlackOutline"));
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}
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/* now add a thicker line/bar which covers the entire vertical
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* height of this note.
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*/
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switch (i % 12) {
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case 1:
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case 3:
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case 6:
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case 8:
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case 10:
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color = ARDOUR_UI::config()->color ("PianoRollBlack");
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break;
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default:
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color = ARDOUR_UI::config()->color ("PianoRollWhite");
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break;
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}
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double h = y - prev_y;
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double mid = y + (h/2.0);
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if (height > 1.0) { // XXX ? should that not be h >= 1 ?
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_note_lines->add (mid, h, color);
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}
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prev_y = y;
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}
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}
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void
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MidiStreamView::set_note_range(VisibleNoteRange r)
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{
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if (r == FullRange) {
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_lowest_note = 0;
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_highest_note = 127;
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} else {
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_lowest_note = _data_note_min;
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_highest_note = _data_note_max;
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}
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apply_note_range(_lowest_note, _highest_note, true);
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}
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void
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MidiStreamView::apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views)
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{
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_highest_note = highest;
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_lowest_note = lowest;
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int const max_note_height = 20; // This should probably be based on text size...
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int const range = _highest_note - _lowest_note;
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int const pixels_per_note = floor (child_height () / range);
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/* do not grow note height beyond 10 pixels */
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if (pixels_per_note > max_note_height) {
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int const available_note_range = floor (child_height() / max_note_height);
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int additional_notes = available_note_range - range;
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/* distribute additional notes to higher and lower ranges, clamp at 0 and 127 */
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for (int i = 0; i < additional_notes; i++){
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if (i % 2 && _highest_note < 127){
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_highest_note++;
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}
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else if (i % 2) {
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_lowest_note--;
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}
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else if (_lowest_note > 0){
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_lowest_note--;
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}
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else {
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_highest_note++;
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}
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}
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}
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note_range_adjustment.set_page_size(_highest_note - _lowest_note);
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note_range_adjustment.set_value(_lowest_note);
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draw_note_lines();
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if (to_region_views) {
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apply_note_range_to_regions ();
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}
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NoteRangeChanged();
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}
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void
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MidiStreamView::apply_note_range_to_regions ()
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{
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if (!_updates_suspended) {
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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((MidiRegionView*)(*i))->apply_note_range(_lowest_note, _highest_note);
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}
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}
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}
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void
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MidiStreamView::update_note_range(uint8_t note_num)
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{
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_data_note_min = min(_data_note_min, note_num);
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_data_note_max = max(_data_note_max, note_num);
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}
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void
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MidiStreamView::setup_rec_box ()
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{
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// cerr << _trackview.name() << " streamview SRB\n";
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if (_trackview.session()->transport_rolling()) {
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if (!rec_active &&
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_trackview.session()->record_status() == Session::Recording &&
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_trackview.track()->record_enabled()) {
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if (Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
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/* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
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MidiRegion::SourceList sources;
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rec_data_ready_connections.drop_connections ();
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sources.push_back (_trackview.midi_track()->write_source());
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// handle multi
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framepos_t start = 0;
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if (rec_regions.size() > 0) {
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start = rec_regions.back().first->start()
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+ _trackview.track()->get_captured_frames(rec_regions.size()-1);
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}
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if (!rec_regions.empty()) {
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MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rec_regions.back().second);
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mrv->end_write ();
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}
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PropertyList plist;
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plist.add (ARDOUR::Properties::start, start);
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plist.add (ARDOUR::Properties::length, 1);
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/* Just above we're setting this nascent region's length to 1. I think this
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is so that the RegionView gets created with a non-zero width, as apparently
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creating a RegionView with a zero width causes it never to be displayed
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(there is a warning in TimeAxisViewItem::init about this). However, we
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must also set length_beats to something non-zero, otherwise the frame length
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of 1 causes length_beats to be set to some small quantity << 1. Then
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when the position is set up below, this length_beats is used to recompute
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length using BeatsFramesConverter::to, which is slightly innacurate for small
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beats values because it converts floating point beats to bars, beats and
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integer ticks. The upshot of which being that length gets set back to 0,
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meaning no region view is ever seen, meaning no MIDI notes during record (#3820).
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*/
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plist.add (ARDOUR::Properties::length_beats, 1);
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plist.add (ARDOUR::Properties::name, string());
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plist.add (ARDOUR::Properties::layer, 0);
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boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
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(RegionFactory::create (sources, plist, false)));
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if (region) {
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region->set_start (_trackview.track()->current_capture_start()
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- _trackview.track()->get_capture_start_frame (0));
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region->set_position (_trackview.track()->current_capture_start());
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RegionView* rv = add_region_view_internal (region, false);
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MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rv);
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mrv->begin_write ();
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/* rec region will be destroyed in setup_rec_box */
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rec_regions.push_back (make_pair (region, rv));
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/* we add the region later */
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setup_new_rec_layer_time (region);
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} else {
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error << _("failed to create MIDI region") << endmsg;
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}
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}
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/* start a new rec box */
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boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
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framepos_t const frame_pos = mt->current_capture_start ();
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gdouble const xstart = _trackview.editor().sample_to_pixel (frame_pos);
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gdouble const xend = xstart;
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uint32_t fill_color;
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fill_color = ARDOUR_UI::config()->color ("RecordingRect");
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ArdourCanvas::Rectangle * rec_rect = new ArdourCanvas::Rectangle (_canvas_group);
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rec_rect->set (ArdourCanvas::Rect (xstart, 1, xend, _trackview.current_height() - 1));
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rec_rect->set_outline_color (ARDOUR_UI::config()->color ("RecordingRect"));
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rec_rect->set_fill_color (fill_color);
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rec_rect->lower_to_bottom();
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RecBoxInfo recbox;
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recbox.rectangle = rec_rect;
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recbox.start = _trackview.session()->transport_frame();
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recbox.length = 0;
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rec_rects.push_back (recbox);
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screen_update_connection.disconnect();
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screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
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sigc::mem_fun (*this, &MidiStreamView::update_rec_box));
|
|
rec_updating = true;
|
|
rec_active = true;
|
|
|
|
} else if (rec_active &&
|
|
(_trackview.session()->record_status() != Session::Recording ||
|
|
!_trackview.track()->record_enabled())) {
|
|
screen_update_connection.disconnect();
|
|
rec_active = false;
|
|
rec_updating = false;
|
|
}
|
|
|
|
} else {
|
|
|
|
// cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
|
|
|
|
if (!rec_rects.empty() || !rec_regions.empty()) {
|
|
|
|
/* disconnect rapid update */
|
|
screen_update_connection.disconnect();
|
|
rec_data_ready_connections.drop_connections ();
|
|
|
|
rec_updating = false;
|
|
rec_active = false;
|
|
|
|
/* remove temp regions */
|
|
|
|
for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
|
|
list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
|
|
|
|
tmp = iter;
|
|
++tmp;
|
|
|
|
(*iter).first->drop_references ();
|
|
|
|
iter = tmp;
|
|
}
|
|
|
|
rec_regions.clear();
|
|
|
|
// cerr << "\tclear " << rec_rects.size() << " rec rects\n";
|
|
|
|
/* transport stopped, clear boxes */
|
|
for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
|
|
RecBoxInfo &rect = (*iter);
|
|
delete rect.rectangle;
|
|
}
|
|
|
|
rec_rects.clear();
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
MidiStreamView::color_handler ()
|
|
{
|
|
draw_note_lines ();
|
|
|
|
if (_trackview.is_midi_track()) {
|
|
canvas_rect->set_fill_color (ARDOUR_UI::config()->color ("MidiTrackBase"));
|
|
} else {
|
|
canvas_rect->set_fill_color (ARDOUR_UI::config()->color ("MidiBusBase"));
|
|
}
|
|
}
|
|
|
|
void
|
|
MidiStreamView::note_range_adjustment_changed()
|
|
{
|
|
double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
|
|
int lowest = (int) floor(note_range_adjustment.get_value());
|
|
int highest;
|
|
|
|
if (sum == _range_sum_cache) {
|
|
//cerr << "cached" << endl;
|
|
highest = (int) floor(sum);
|
|
} else {
|
|
//cerr << "recalc" << endl;
|
|
highest = lowest + (int) floor(note_range_adjustment.get_page_size());
|
|
_range_sum_cache = sum;
|
|
}
|
|
|
|
if (lowest == _lowest_note && highest == _highest_note) {
|
|
return;
|
|
}
|
|
|
|
//cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
|
|
//cerr << " val=" << v_zoom_adjustment.get_value() << " page=" << v_zoom_adjustment.get_page_size() << " sum=" << v_zoom_adjustment.get_value() + v_zoom_adjustment.get_page_size() << endl;
|
|
|
|
_lowest_note = lowest;
|
|
_highest_note = highest;
|
|
apply_note_range(lowest, highest, true);
|
|
}
|
|
|
|
void
|
|
MidiStreamView::update_rec_box ()
|
|
{
|
|
StreamView::update_rec_box ();
|
|
|
|
if (rec_regions.empty()) {
|
|
return;
|
|
}
|
|
|
|
/* Update the region being recorded to reflect where we currently are */
|
|
boost::shared_ptr<ARDOUR::Region> region = rec_regions.back().first;
|
|
region->set_length (_trackview.track()->current_capture_end () - _trackview.track()->current_capture_start());
|
|
|
|
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rec_regions.back().second);
|
|
mrv->extend_active_notes ();
|
|
}
|
|
|
|
uint8_t
|
|
MidiStreamView::y_to_note (double y) const
|
|
{
|
|
int const n = ((contents_height() - y - 1) / contents_height() * (double)contents_note_range())
|
|
+ lowest_note();
|
|
|
|
if (n < 0) {
|
|
return 0;
|
|
} else if (n > 127) {
|
|
return 127;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
/** Suspend updates to the regions' note ranges and our
|
|
* note lines until resume_updates() is called.
|
|
*/
|
|
void
|
|
MidiStreamView::suspend_updates ()
|
|
{
|
|
_updates_suspended = true;
|
|
}
|
|
|
|
/** Resume updates to region note ranges and note lines,
|
|
* and update them now.
|
|
*/
|
|
void
|
|
MidiStreamView::resume_updates ()
|
|
{
|
|
_updates_suspended = false;
|
|
|
|
draw_note_lines ();
|
|
apply_note_range_to_regions ();
|
|
|
|
_canvas_group->redraw ();
|
|
}
|
|
|
|
void
|
|
MidiStreamView::leave_internal_edit_mode ()
|
|
{
|
|
StreamView::leave_internal_edit_mode ();
|
|
for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
|
|
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*i);
|
|
if (mrv) {
|
|
mrv->clear_selection ();
|
|
}
|
|
}
|
|
}
|