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tdemultimedia/arts/modules/common/env_effectrackitem_impl.cpp

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/* This file is part of the KDE project
Copyright (C) 2002-2003 Matthias Kretz <kretz@kde.org>
2002 Arnold Krille <arnold@arnoldarts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// $Id$
#include "artsmodulescommon.h"
#include <debug.h>
#include "env_item_impl.h"
#include <connect.h>
#include <stdio.h>
#include <vector>
#include <map>
// Wether you are able to edit the name of the effectrack with an ugly LineInput or not.
//#define EFFECTRACK_NAME
// We should implement something like a ConfigWidget or at least a KLineInputBox or something...
namespace Arts {
namespace Environment {
class EffectRackItem_impl : virtual public EffectRackItem_skel,
virtual public Item_impl
{
protected:
std::string _name;
AudioManagerClient _amClient;
struct RackWiring {
RackWiring( const std::string & type, AudioManagerClient _amClient )
: routedtomaster( false )
, amClient( _amClient )
{
effect = SubClass( type );
connect( input, effect );
connect( effect, output );
}
inline void setName( const std::string & efname )
{
name = efname;
input.busname( efname );
if( ! routedtomaster )
{
output.title( efname );
output.autoRestoreID( efname );
}
}
inline void start()
{
input.start();
effect.start();
output.start();
}
inline void stop()
{
input.stop();
effect.stop();
output.stop();
}
inline void master( bool tomaster )
{
routedtomaster = tomaster;
output.stop();
output = tomaster ? Synth_AMAN_PLAY( amClient ) : Synth_AMAN_PLAY();
connect( effect, output );
if( ! tomaster )
{
output.title( name );
output.autoRestoreID( name );
}
output.start();
}
bool routedtomaster;
std::string name;
std::string effectName;
Synth_BUS_DOWNLINK input;
Arts::StereoEffect effect;
Synth_AMAN_PLAY output;
AudioManagerClient amClient;
};
std::vector<RackWiring> _wirings;
public:
EffectRackItem_impl()
: _name( "effect rack" )
, _amClient( amPlay, _name + " Master", "effectrack_" + _name )
{
// TODO: check if there's another effect rack with the same name already - if so prefix with 2./3./4.
}
// readonly attribute sequence<Arts::StereoEffect> effects;
std::vector<Arts::StereoEffect> *effects()
{
std::vector<Arts::StereoEffect> * effects = new std::vector<Arts::StereoEffect>;
for( std::vector<RackWiring>::iterator it = _wirings.begin(); it != _wirings.end(); ++it )
effects->push_back( it->effect );
return effects;
}
// attribute long effectCount;
long effectCount() { return _wirings.size(); }
// attribute string name;
void name(const std::string& newName) {
if(newName != _name)
{
_name = newName;
_amClient.title( _name + " Master" );
_amClient.autoRestoreID( "effectrack_" + _name );
for( unsigned int i = 0; i < _wirings.size(); i++ )
_wirings[i].setName( effectName( i, _wirings[ i ].effectName ) );
name_changed( newName );
}
}
std::string name() { return _name; }
void loadFromList(const std::vector<std::string>& /*list*/)
{
}
std::vector<std::string> *saveToList()
{
std::vector<std::string> *result = new std::vector<std::string>;
return result;
}
std::string effectName( int n, const std::string & en )
{
char * efname = new char[ _name.length() + en.length() + 128 ];
sprintf( efname, "%s%02d (%s)", _name.c_str(), n, en.c_str() );
return efname;
}
Arts::StereoEffect createEffect( const std::string & type, const std::string & name )
{
RackWiring wiring( type, _amClient );
wiring.setName( effectName( _wirings.size() + 1, name ) );
wiring.start();
_wirings.push_back( wiring );
return wiring.effect;
}
void delEffect( long pos )
{
_wirings[ pos ].stop();
_wirings.erase( _wirings.begin() + pos );
for( unsigned int i = pos; i < _wirings.size(); ++i )
_wirings[ i ].setName( effectName( i, _wirings[ i ].effectName ) );
}
void routeToMaster( long pos, bool tomaster )
{
_wirings[ pos ].master( tomaster );
}
};
REGISTER_IMPLEMENTATION(EffectRackItem_impl);
}
using namespace Environment;
typedef WeakReference<VBox> VBox_wref;
class EffectRackItemGui_impl : virtual public EffectRackItemGui_skel {
private:
bool _active;
long _effectCount;
std::string _type;
EffectRackItem _effectRack;
/* widgets */
VBox_wref _widget;
HBox hbox;
VBox effect_vbox;
#ifdef EFFECTRACK_NAME
LineEdit name;
#endif
ComboBox typebox;
Button addbutton;
GenericGuiFactory guiFactory;
std::vector<EffectRackSlot> _slots;
std::map<std::string, std::string> typeforname;
std::map<std::string, std::string> namefortype;
public:
EffectRackItemGui self() { return EffectRackItemGui::_from_base(_copy()); }
void redoGui()
{
VBox vbox = _widget;
if(vbox.isNull())
arts_warning("update with vbox null");
if(_effectRack.isNull())
arts_warning("update with _effectRack null");
if(!_effectRack.isNull() && !vbox.isNull())
{
vbox.spacing( 0 );
vbox.margin( 10 );
hbox = HBox( vbox );
hbox.spacing( 5 );
hbox.margin( 0 );
#ifdef EFFECTRACK_NAME
name = LineEdit();
name.caption("name");
name.text(_effectRack.name());
name.parent(hbox);
connect(name,"text_changed", _effectRack, "name");
#endif
std::vector<std::string> choices;
TraderQuery query;
query.supports( "Interface", "Arts::StereoEffect" );
query.supports( "Features", "RackGUI" );
std::vector<TraderOffer> *queryResults = query.query();
for(std::vector<TraderOffer>::iterator it = queryResults->begin(); it != queryResults->end(); ++it)
{
std::vector<std::string> * names = it->getProperty( "Name" );
std::string name = names->empty() ? it->interfaceName() : names->front();
delete names;
choices.push_back( name );
typeforname[ name ] = it->interfaceName();
namefortype[ it->interfaceName() ] = name;
}
delete queryResults;
typebox = ComboBox();
typebox.choices(choices);
typebox.value(_type);
typebox.parent(hbox);
connect(typebox,"value_changed", self(), "type");
addbutton = Button( "add", hbox );
connect( addbutton, "clicked_changed", self(), "addeffect" );
effect_vbox = VBox( vbox );
effect_vbox.margin( 0 );
effect_vbox.spacing( 5 );
effect_vbox.show();
Frame spacer;
spacer.parent( effect_vbox );
spacer.vSizePolicy( spExpanding );
spacer.show();
effect_vbox._addChild( spacer, "spacer" );
_slots.clear();
// add Arts::StereoEffect widgets
std::vector<Arts::StereoEffect> * effects = _effectRack.effects();
for( std::vector<Arts::StereoEffect>::iterator it = effects->begin(); it != effects->end(); ++it )
createEffectGui( *it );
delete effects;
}
else
{
/* FIXME: maybe insert a "dead" label here */
if(!vbox.isNull())
vbox.show();
effect_vbox = VBox::null();
hbox = HBox::null();
// name = LineEdit::null();
typebox = ComboBox::null();
_slots.clear();
}
}
void createEffectGui( Arts::StereoEffect effect )
{
Widget w = guiFactory.createGui( effect );
if( ! w.isNull() )
{
// insert effect GUI into the "Rack"
EffectRackSlot slot( effect_vbox, w, self() );
_slots.push_back( slot );
}
}
void removeSlot( EffectRackSlot slot )
{
unsigned int i;
for( i = 0; i < _slots.size() && ! _slots[ i ]._isEqual( slot ) ; ++i );
if( i < _slots.size() )
{
_slots.erase( _slots.begin() + i );
_effectRack.delEffect( i );
}
else
arts_warning( "WARNING: Trying to remove an unknown slot" );
}
void routeToMaster( EffectRackSlot slot, bool tomaster )
{
unsigned int i;
for( i = 0; i < _slots.size() && ! _slots[ i ]._isEqual( slot ) ; ++i );
if( i < _slots.size() )
_effectRack.routeToMaster( i, tomaster );
else
arts_warning( "WARNING: Trying to route an unknown slot" );
}
bool active() { return _active; }
void active(bool newActive)
{
if(newActive != _active)
{
_active = newActive;
if(!newActive)
_effectRack = EffectRackItem::null();
redoGui();
}
}
std::string type()
{
return _type;
}
void type(const std::string& t)
{
_type = typeforname[ t ];
}
bool addeffect() { return false; } //unused
void addeffect( bool clicked )
{
if( ! addbutton.clicked() || ! clicked )
return;
Arts::StereoEffect effect = _effectRack.createEffect( _type, namefortype[ _type ] );
createEffectGui( effect );
}
Widget initialize(EffectRackItem item)
{
VBox vbox;
vbox._addChild(self(),"the_gui_updating_widget");
_widget = vbox;
_effectRack = item;
_active = item.active();
_type = "Arts::Synth_VOICE_REMOVAL";
_effectCount = item.effectCount();
if(!_effectRack.isNull())
{
connect(_effectRack, "active_changed", self(), "active");
}
redoGui();
return vbox;
}
};
REGISTER_IMPLEMENTATION(EffectRackItemGui_impl);
class EffectRackGuiFactory_impl : virtual public EffectRackGuiFactory_skel
{
public:
Widget createGui(Object object)
{
arts_return_val_if_fail(!object.isNull(), Arts::Widget::null());
std::string iface = object._interfaceName();
arts_return_val_if_fail(iface == "Arts::Environment::EffectRackItem",
Arts::Widget::null());
if(iface == "Arts::Environment::EffectRackItem")
{
EffectRackItem effectRack = DynamicCast(object);
arts_return_val_if_fail(!effectRack.isNull(), Arts::Widget::null());
EffectRackItemGui gui;
return gui.initialize(effectRack);
}
return Arts::Widget::null();
}
};
REGISTER_IMPLEMENTATION(EffectRackGuiFactory_impl);
}