David Robillard
b0e91bfa08
Add model loading and destroying to SMFSource. Load and display MIDI region data on session load. git-svn-id: svn://localhost/ardour2/trunk@1947 d708f5d6-7413-0410-9779-e7cbd77b26cf
207 lines
5.3 KiB
C++
207 lines
5.3 KiB
C++
/*
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Copyright (C) 2001-2006 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 <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 <ardour/playlist.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 "streamview.h"
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#include "midi_region_view.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 "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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boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion> (_region);
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mr->midi_source(0)->load_model();
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begin_write();
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for (size_t i=0; i < mr->midi_source(0)->model().n_events(); ++i)
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add_event(mr->midi_source(0)->model().event_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::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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throw; // FIXME
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return NULL;
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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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void
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MidiRegionView::add_event (const MidiEvent& ev)
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{
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/*printf("Event, time = %u, size = %zu, data = ",
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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");*/
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double y1 = trackview.height / 2.0;
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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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y1 = trackview.height - ((trackview.height / 127.0) * note);
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ArdourCanvas::SimpleRect * ev_rect = new Gnome::Canvas::SimpleRect(
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*(ArdourCanvas::Group*)get_canvas_group());
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ev_rect->property_x1() = trackview.editor.frame_to_pixel (
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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(trackview.height / 127.0);
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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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_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(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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}
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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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