git-svn-id: svn://localhost/ardour2/trunk@2154 d708f5d6-7413-0410-9779-e7cbd77b26cf
446 lines
12 KiB
C++
446 lines
12 KiB
C++
/*
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Copyright (C) 2001-2007 Paul Davis
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Author: Dave Robillard
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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 <cassert>
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#include <algorithm>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include <sigc++/signal.h>
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#include <ardour/playlist.h>
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#include <ardour/tempo.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_diskstream.h>
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#include <ardour/midi_events.h>
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#include <ardour/midi_model.h>
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#include "streamview.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 "simplerect.h"
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#include "simpleline.h"
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#include "diamond.h"
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#include "public_editor.h"
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#include "ghostregion.h"
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#include "midi_time_axis.h"
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#include "utils.h"
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#include "rgb_macros.h"
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#include "gui_thread.h"
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#include "i18n.h"
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using namespace sigc;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Editing;
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using namespace ArdourCanvas;
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MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu,
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Gdk::Color& basic_color)
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: RegionView (parent, tv, r, spu, basic_color)
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, _active_notes(0)
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{
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}
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MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu,
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Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
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: RegionView (parent, tv, r, spu, basic_color, visibility)
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, _active_notes(0)
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{
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}
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void
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MidiRegionView::init (Gdk::Color& basic_color, bool wfd)
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{
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// FIXME: Some redundancy here with RegionView::init. Need to figure out
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// where order is important and where it isn't...
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// FIXME
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RegionView::init(basic_color, /*wfd*/false);
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compute_colors (basic_color);
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reset_width_dependent_items ((double) _region->length() / samples_per_unit);
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set_y_position_and_height (0, trackview.height);
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region_muted ();
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region_resized (BoundsChanged);
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region_locked ();
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_region->StateChanged.connect (mem_fun(*this, &MidiRegionView::region_changed));
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set_colors ();
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if (wfd) {
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midi_region()->midi_source(0)->load_model();
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display_events();
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}
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midi_region()->midi_source(0)->model()->ContentsChanged.connect(sigc::mem_fun(
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this, &MidiRegionView::redisplay_model));
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group->signal_event().connect (mem_fun (this, &MidiRegionView::canvas_event));
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}
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bool
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MidiRegionView::canvas_event(GdkEvent* ev)
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{
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if (trackview.editor.current_mouse_mode() == MouseNote) {
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if (ev->type == GDK_BUTTON_PRESS) {
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MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
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MidiStreamView* const view = mtv->midi_view();
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const uint8_t note_range = view->highest_note() - view->lowest_note() + 1;
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const double footer_height = name_highlight->property_y2() - name_highlight->property_y1();
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const double roll_height = trackview.height - footer_height;
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double x = ev->button.x;
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double y = ev->button.y;
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get_canvas_group()->w2i(x, y);
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double note = floor((roll_height - y) / roll_height * (double)note_range) + view->lowest_note();
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assert(note >= 0.0);
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assert(note <= 127.0);
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const nframes_t stamp = trackview.editor.pixel_to_frame (x);
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assert(stamp >= 0);
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//assert(stamp <= _region->length());
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const Meter& m = trackview.session().tempo_map().meter_at(stamp);
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const Tempo& t = trackview.session().tempo_map().tempo_at(stamp);
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double dur = m.frames_per_bar(t, trackview.session().frame_rate()) / m.beats_per_bar();
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MidiModel* model = midi_region()->midi_source(0)->model();
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// Add a 1 beat long note (for now)
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const MidiModel::Note new_note(stamp, dur, (uint8_t)note, 0x40);
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model->begin_command();
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model->add_note(new_note);
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model->finish_command();
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view->update_bounds(new_note.note);
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add_note(new_note);
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}
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}
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return false;
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}
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bool
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MidiRegionView::note_canvas_event(GdkEvent* ev)
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{
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cerr << "NOTE CANVAS EVENT" << endl;
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return true;
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}
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void
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MidiRegionView::redisplay_model()
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{
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clear_events();
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display_events();
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}
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void
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MidiRegionView::clear_events()
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{
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for (std::vector<ArdourCanvas::Item*>::iterator i = _events.begin(); i != _events.end(); ++i)
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delete *i;
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_events.clear();
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}
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void
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MidiRegionView::display_events()
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{
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clear_events();
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begin_write();
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for (size_t i=0; i < midi_region()->midi_source(0)->model()->n_notes(); ++i)
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add_note(midi_region()->midi_source(0)->model()->note_at(i));
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end_write();
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}
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MidiRegionView::~MidiRegionView ()
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{
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in_destructor = true;
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end_write();
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RegionViewGoingAway (this); /* EMIT_SIGNAL */
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}
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boost::shared_ptr<ARDOUR::MidiRegion>
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MidiRegionView::midi_region() const
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{
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// "Guaranteed" to succeed...
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return boost::dynamic_pointer_cast<MidiRegion>(_region);
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}
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void
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MidiRegionView::region_resized (Change what_changed)
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{
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RegionView::region_resized(what_changed);
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if (what_changed & ARDOUR::PositionChanged) {
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display_events();
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} else if (what_changed & Change (StartChanged)) {
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//cerr << "MIDI RV START CHANGED" << endl;
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} else if (what_changed & Change (LengthChanged)) {
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//cerr << "MIDI RV LENGTH CHANGED" << endl;
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}
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}
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void
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MidiRegionView::reset_width_dependent_items (double pixel_width)
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{
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RegionView::reset_width_dependent_items(pixel_width);
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assert(_pixel_width == pixel_width);
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display_events();
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}
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void
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MidiRegionView::set_y_position_and_height (double y, double h)
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{
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RegionView::set_y_position_and_height(y, h - 1);
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display_events();
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if (name_text) {
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name_text->raise_to_top();
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}
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}
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void
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MidiRegionView::show_region_editor ()
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{
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cerr << "No MIDI region editor." << endl;
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}
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GhostRegion*
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MidiRegionView::add_ghost (AutomationTimeAxisView& atv)
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{
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RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
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assert(rtv);
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double unit_position = _region->position () / samples_per_unit;
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GhostRegion* ghost = new GhostRegion (atv, unit_position);
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ghost->set_height ();
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ghost->set_duration (_region->length() / samples_per_unit);
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ghosts.push_back (ghost);
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ghost->GoingAway.connect (mem_fun(*this, &MidiRegionView::remove_ghost));
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return ghost;
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}
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/** Begin tracking note state for successive calls to add_event
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*/
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void
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MidiRegionView::begin_write()
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{
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_active_notes = new ArdourCanvas::SimpleRect*[128];
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for (unsigned i=0; i < 128; ++i)
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_active_notes[i] = NULL;
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}
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/** Destroy note state for add_event
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*/
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void
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MidiRegionView::end_write()
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{
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delete[] _active_notes;
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_active_notes = NULL;
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}
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/** Add a MIDI event.
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*
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* This is used while recording, and handles displaying still-unresolved notes.
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* Displaying an existing model is simpler, and done with add_note.
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*/
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void
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MidiRegionView::add_event (const MidiEvent& ev)
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{
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/*printf("Event, time = %f, size = %zu, data = ", ev.time, ev.size);
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for (size_t i=0; i < ev.size; ++i) {
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printf("%X ", ev.buffer[i]);
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}
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printf("\n\n");*/
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MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
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MidiStreamView* const view = mtv->midi_view();
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ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
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const uint8_t note_range = view->highest_note() - view->lowest_note() + 1;
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const double footer_height = name_highlight->property_y2() - name_highlight->property_y1();
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const double pixel_range = (trackview.height - footer_height - 5.0) / (double)note_range;
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if (mtv->note_mode() == Note) {
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if ((ev.buffer[0] & 0xF0) == MIDI_CMD_NOTE_ON) {
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const Byte& note = ev.buffer[1];
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const double y1 = trackview.height - (pixel_range * (note - view->lowest_note() + 1))
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- footer_height - 3.0;
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ArdourCanvas::SimpleRect * ev_rect = new Gnome::Canvas::SimpleRect(*group);
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ev_rect->property_x1() = trackview.editor.frame_to_pixel (
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(nframes_t)ev.time);
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ev_rect->property_y1() = y1;
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ev_rect->property_x2() = trackview.editor.frame_to_pixel (
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_region->length());
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ev_rect->property_y2() = y1 + ceil(pixel_range);
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ev_rect->property_outline_color_rgba() = 0xFFFFFFAA;
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/* outline all but right edge */
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ev_rect->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
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ev_rect->property_fill_color_rgba() = 0xFFFFFF66;
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ev_rect->signal_event().connect(sigc::mem_fun(this, &MidiRegionView::note_canvas_event));
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ev_rect->raise_to_top();
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_events.push_back(ev_rect);
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if (_active_notes)
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_active_notes[note] = ev_rect;
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} else if ((ev.buffer[0] & 0xF0) == MIDI_CMD_NOTE_OFF) {
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const Byte& note = ev.buffer[1];
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if (_active_notes && _active_notes[note]) {
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_active_notes[note]->property_x2() = trackview.editor.frame_to_pixel((nframes_t)ev.time);
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_active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
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_active_notes[note] = NULL;
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}
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}
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} else if (mtv->note_mode() == Percussion) {
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const Byte& note = ev.buffer[1];
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const double x = trackview.editor.frame_to_pixel((nframes_t)ev.time);
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const double y = trackview.height - (pixel_range * (note - view->lowest_note() + 1))
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- footer_height - 3.0;
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Diamond* ev_diamond = new Diamond(*group, std::min(pixel_range, 5.0));
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ev_diamond->move(x, y);
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ev_diamond->show();
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ev_diamond->property_outline_color_rgba() = 0xFFFFFFDD;
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ev_diamond->property_fill_color_rgba() = 0xFFFFFF66;
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ev_diamond->signal_event().connect(sigc::mem_fun(this, &MidiRegionView::note_canvas_event));
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_events.push_back(ev_diamond);
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}
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}
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/** Extend active notes to rightmost edge of region (if length is changed)
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*/
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void
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MidiRegionView::extend_active_notes()
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{
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if (!_active_notes)
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return;
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for (unsigned i=0; i < 128; ++i)
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if (_active_notes[i])
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_active_notes[i]->property_x2() = trackview.editor.frame_to_pixel(_region->length());
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}
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/** Add a MIDI note (with duration).
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*
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* This does no 'realtime' note resolution, notes from a MidiModel have a
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* duration so they can be drawn in full immediately.
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*/
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void
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MidiRegionView::add_note (const MidiModel::Note& note)
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{
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assert(note.start >= 0);
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assert(note.start < _region->length());
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//assert(note.start + note.duration < _region->length());
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/*printf("Event, time = %f, size = %zu, data = ", ev.time, ev.size);
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for (size_t i=0; i < ev.size; ++i) {
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printf("%X ", ev.buffer[i]);
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}
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printf("\n\n");*/
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MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
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MidiStreamView* const view = mtv->midi_view();
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ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
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const uint8_t note_range = view->highest_note() - view->lowest_note() + 1;
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const double footer_height = name_highlight->property_y2() - name_highlight->property_y1();
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const double pixel_range = (trackview.height - footer_height - 5.0) / (double)note_range;
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if (mtv->note_mode() == Note) {
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const double y1 = trackview.height - (pixel_range * (note.note - view->lowest_note() + 1))
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- footer_height - 3.0;
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ArdourCanvas::SimpleRect * ev_rect = new Gnome::Canvas::SimpleRect(*group);
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ev_rect->property_x1() = trackview.editor.frame_to_pixel((nframes_t)note.start);
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ev_rect->property_y1() = y1;
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ev_rect->property_x2() = trackview.editor.frame_to_pixel((nframes_t)(note.start + note.duration));
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ev_rect->property_y2() = y1 + ceil(pixel_range);
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ev_rect->property_fill_color_rgba() = 0xFFFFFF66;
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ev_rect->property_outline_color_rgba() = 0xFFFFFFAA;
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ev_rect->property_outline_what() = (guint32) 0xF; // all edges
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ev_rect->show();
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_events.push_back(ev_rect);
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} else if (mtv->note_mode() == Percussion) {
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const double x = trackview.editor.frame_to_pixel((nframes_t)note.start);
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const double y = trackview.height - (pixel_range * (note.note - view->lowest_note() + 1))
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- footer_height - 3.0;
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Diamond* ev_diamond = new Diamond(*group, std::min(pixel_range, 5.0));
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ev_diamond->move(x, y);
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ev_diamond->show();
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ev_diamond->property_outline_color_rgba() = 0xFFFFFFDD;
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ev_diamond->property_fill_color_rgba() = 0xFFFFFF66;
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_events.push_back(ev_diamond);
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}
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}
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