ardour/gtk2_ardour/midi_region_view.cc

/*
    Copyright (C) 2001-2006 Paul Davis 

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <cmath>
#include <cassert>
#include <algorithm>

#include <gtkmm.h>

#include <gtkmm2ext/gtk_ui.h>

#include <ardour/playlist.h>
#include <ardour/midi_region.h>
#include <ardour/midi_source.h>
#include <ardour/midi_diskstream.h>

#include "streamview.h"
#include "midi_region_view.h"
#include "midi_time_axis.h"
#include "simplerect.h"
#include "simpleline.h"
#include "public_editor.h"
//#include "midi_region_editor.h"
#include "ghostregion.h"
#include "midi_time_axis.h"
#include "utils.h"
#include "rgb_macros.h"
#include "gui_thread.h"

#include "i18n.h"

using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;

MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu,
				  Gdk::Color& basic_color)
	: RegionView (parent, tv, r, spu, basic_color)
{
}

MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu, 
				  Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
	: RegionView (parent, tv, r, spu, basic_color, visibility)
{
}

void
MidiRegionView::init (Gdk::Color& basic_color, bool wfd)
{
	// FIXME: Some redundancy here with RegionView::init.  Need to figure out
	// where order is important and where it isn't...
	
	// FIXME
	RegionView::init(basic_color, /*wfd*/false);

	compute_colors (basic_color);

	reset_width_dependent_items ((double) _region->length() / samples_per_unit);

	set_y_position_and_height (0, trackview.height);

	region_muted ();
	region_resized (BoundsChanged);
	region_locked ();

	_region->StateChanged.connect (mem_fun(*this, &MidiRegionView::region_changed));

	set_colors ();
}

MidiRegionView::~MidiRegionView ()
{
	in_destructor = true;

	RegionViewGoingAway (this); /* EMIT_SIGNAL */
}

boost::shared_ptr<ARDOUR::MidiRegion>
MidiRegionView::midi_region() const
{
	// "Guaranteed" to succeed...
	return boost::dynamic_pointer_cast<MidiRegion>(_region);
}

void
MidiRegionView::show_region_editor ()
{
	cerr << "No MIDI region editor." << endl;
}

GhostRegion*
MidiRegionView::add_ghost (AutomationTimeAxisView& atv)
{
	throw; // FIXME
	return NULL;
}