livetrax/libs/surfaces/mackie/controls.cc

 /*
	Copyright (C) 2006,2007 John Anderson

	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 <iostream>
#include <iomanip>
#include <sstream>

#include "controls.h"
#include "types.h"
#include "mackie_midi_builder.h"
#include "surface.h"

using namespace Mackie;
using namespace std;

void Group::add (Control& control)
{
	_controls.push_back (&control);
}

Strip::Strip (const std::string& name, int index)
	: Group (name)
	, _solo (0)
	, _recenable (0)
	, _mute (0)
	, _select (0)
	, _vselect (0)
	, _fader_touch (0)
	, _vpot (0)
	, _gain (0)
	, _index (index)
{
	/* master strip only */
}

Strip::Strip (Surface& surface, const std::string& name, int index, int unit_index, StripControlDefinition* ctls)
	: Group (name)
	, _solo (0)
	, _recenable (0)
	, _mute (0)
	, _select (0)
	, _vselect (0)
	, _fader_touch (0)
	, _vpot (0)
	, _gain (0)
	, _index (index)
{
	/* build the controls for this track, which will automatically add them
	   to the Group 
	*/

	for (uint32_t i = 0; ctls[i].name[0]; ++i) {
		ctls[i].factory (surface, ctls[i].base_id + unit_index, unit_index+1, ctls[i].name, *this);
	}
}	

/**
	TODO could optimise this to use enum, but it's only
	called during the protocol class instantiation.
*/
void Strip::add (Control & control)
{
	Group::add (control);

	if  (control.name() == "gain") {
		_gain = reinterpret_cast<Fader*>(&control);
	} else if  (control.name() == "vpot") {
		_vpot = reinterpret_cast<Pot*>(&control);
	} else if  (control.name() == "recenable") {
		_recenable = reinterpret_cast<Button*>(&control);
	} else if  (control.name() == "solo") {
		_solo = reinterpret_cast<Button*>(&control);
	} else if  (control.name() == "mute") {
		_mute = reinterpret_cast<Button*>(&control);
	} else if  (control.name() == "select") {
		_select = reinterpret_cast<Button*>(&control);
	} else if  (control.name() == "vselect") {
		_vselect = reinterpret_cast<Button*>(&control);
	} else if  (control.name() == "fader_touch") {
		_fader_touch = reinterpret_cast<Button*>(&control);
	} else if  (control.type() == Control::type_led || control.type() == Control::type_led_ring) {
		// relax
	} else {
		ostringstream os;
		os << "Strip::add: unknown control type " << control;
		throw MackieControlException (os.str());
	}
}

Control::Control (int id, int ordinal, std::string name, Group & group)
	: _id (id)
	, _ordinal (ordinal)
	, _name (name)
	, _group (group)
	, _in_use (false)
{
}

Fader& 
Strip::gain()
{
	if  (_gain == 0) {
		throw MackieControlException ("gain is null");
	}
	return *_gain;
}

Pot& 
Strip::vpot()
{
	if  (_vpot == 0) {
		throw MackieControlException ("vpot is null");
	}
	return *_vpot;
}

Button& 
Strip::recenable()
{
	if  (_recenable == 0) {
		throw MackieControlException ("recenable is null");
	}
	return *_recenable;
}

Button& 
Strip::solo()
{
	if  (_solo == 0) {
		throw MackieControlException ("solo is null");
	}
	return *_solo;
}
Button& 
Strip::mute()
{
	if  (_mute == 0) {
		throw MackieControlException ("mute is null");
	}
	return *_mute;
}

Button& 
Strip::select()
{
	if  (_select == 0) {
		throw MackieControlException ("select is null");
	}
	return *_select;
}

Button& 
Strip::vselect()
{
	if  (_vselect == 0) {
		throw MackieControlException ("vselect is null");
	}
	return *_vselect;
}

Button& 
Strip::fader_touch()
{
	if  (_fader_touch == 0) {
		throw MackieControlException ("fader_touch is null");
	}
	return *_fader_touch;
}

/** @return true if the control is in use, or false otherwise.
    Buttons are `in use' when they are held down.
    Faders with touch support are `in use' when they are being touched.
    Pots, or faders without touch support, are `in use' from the first move
    event until a timeout after the last move event.
*/
bool
Control::in_use () const
{
	return _in_use;
}

void
Control::set_in_use (bool in_use)
{
	_in_use = in_use;
}

ostream & Mackie::operator <<  (ostream & os, const Mackie::Control & control)
{
	os << typeid (control).name();
	os << " { ";
	os << "name: " << control.name();
	os << ", ";
	os << "id: " << "0x" << setw(4) << setfill('0') << hex << control.id() << setfill(' ');
	os << ", ";
	os << "type: " << "0x" << setw(2) << setfill('0') << hex << control.type() << setfill(' ');
	os << ", ";
	os << "raw_id: " << "0x" << setw(2) << setfill('0') << hex << control.raw_id() << setfill(' ');
	os << ", ";
	os << "ordinal: " << dec << control.ordinal();
	os << ", ";
	os << "group: " << control.group().name();
	os << " }";
	
	return os;
}

std::ostream & Mackie::operator <<  (std::ostream & os, const Strip & strip)
{
	os << typeid (strip).name();
	os << " { ";
	os << "has_solo: " << boolalpha << strip.has_solo();
	os << ", ";
	os << "has_recenable: " << boolalpha << strip.has_recenable();
	os << ", ";
	os << "has_mute: " << boolalpha << strip.has_mute();
	os << ", ";
	os << "has_select: " << boolalpha << strip.has_select();
	os << ", ";
	os << "has_vselect: " << boolalpha << strip.has_vselect();
	os << ", ";
	os << "has_fader_touch: " << boolalpha << strip.has_fader_touch();
	os << ", ";
	os << "has_vpot: " << boolalpha << strip.has_vpot();
	os << ", ";
	os << "has_gain: " << boolalpha << strip.has_gain();
	os << " }";
	
	return os;
}

Control*
Button::factory (Surface& surface, int id, int ordinal, const char* name, Group& group)
{
	Button* b = new Button (id, ordinal, name, group);
	surface.buttons[id] = b;
	surface.controls.push_back (b);
	group.add (*b);
	return b;
}

Control*
Fader::factory (Surface& surface, int id, int ordinal, const char* name, Group& group)
{
	Fader* f = new Fader (id, ordinal, name, group);
	surface.faders[id] = f;
	surface.controls.push_back (f);
	group.add (*f);
	return f;
}

Control*
Pot::factory (Surface& surface, int id, int ordinal, const char* name, Group& group)
{
	Pot* p = new Pot (id, ordinal, name, group);
	surface.pots[id] = p;
	surface.controls.push_back (p);
	group.add (*p);
	return p;
}

Control*
Led::factory (Surface& surface, int id, int ordinal, const char* name, Group& group)
{
	Led* l = new Led (id, ordinal, name, group);
	surface.leds[id] = l;
	surface.controls.push_back (l);
	group.add (*l);
	return l;
}

Control*
Jog::factory (Surface& surface, int id, int ordinal, const char* name, Group& group)
{
	Jog* j = new Jog (id, ordinal, name, group);
	surface.controls.push_back (j);
	surface.controls_by_name["jog"] = j;
	group.add (*j);
	return j;
}