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tdemultimedia/noatun/library/effects.cpp

286 lines
5.0 KiB

#include "effects.h"
#include "engine.h"
#include <common.h>
#include <dynamicrequest.h>
#include <artsflow.h>
#include <app.h>
#include <player.h>
#include <soundserver.h>
#include <noatunarts.h>
#include <qlayout.h>
#include <config.h>
#define HAS_ARTSVERSION_H
#ifdef HAS_ARTSVERSION_H
#include <artsgui.h>
#include <kartswidget.h>
#endif
#define engine napp->player()->engine()
#define server (*(engine->server()))
#define stack (*engine->effectStack())
using namespace std;
using namespace Arts;
class EffectConfigWidget : public QWidget
{
public:
EffectConfigWidget(Effect *e, QWidget *parent=0)
: QWidget(parent), mEf(e)
{}
virtual ~EffectConfigWidget()
{
mEf->mConfig=0;
}
private:
Effect *mEf;
};
Effect::Effect(const char *name)
: mId(0), mName(name), mConfig(0)
{
mEffect=new StereoEffect;
*mEffect=DynamicCast(server.createObject(std::string(name)));
napp->effects()->mItems.append(this);
}
long Effect::id() const
{
return mId;
}
StereoEffect *Effect::effect() const
{
return mEffect;
}
Effect *Effect::after() const
{
QPtrList<Effect> effects=napp->effects()->effects();
QPtrListIterator<Effect> i(effects);
for(; i.current(); ++i)
if ((*i)->id()==mId)
{
++i;
if (*i)
return *i;
}
return 0;
}
Effect *Effect::before() const
{
QPtrList<Effect> effects=napp->effects()->effects();
QPtrListIterator<Effect> i(effects);
for(; i.current(); ++i)
if ((*i)->id()==mId)
{
--i;
if (*i)
return *i;
}
return 0;
}
QCString Effect::name() const
{
return mName;
}
QString Effect::title() const
{
return clean(mName);
}
QString Effect::clean(const QCString &name)
{
int pos=name.findRev("::");
if (pos>0)
return name.right(name.length()-pos-2);
return name;
}
bool Effect::isNull() const
{
return effect()->isNull();
}
QWidget *Effect::configure(bool /*friendly*/)
{
#ifdef HAS_ARTSVERSION_H
if (mConfig) return mConfig;
if (!configurable()) return 0;
GenericGuiFactory factory;
Widget gui = factory.createGui(*mEffect);
if(!gui.isNull())
{
mConfig=new EffectConfigWidget(this);
mConfig->setCaption(title());
QBoxLayout *l=new QHBoxLayout(mConfig);
l->add(new KArtsWidget(gui, mConfig));
l->freeze();
}
return mConfig;
#else
return 0;
#endif
}
bool Effect::configurable() const
{
#ifdef HAS_ARTSVERSION_H
TraderQuery query;
query.supports("Interface","Arts::GuiFactory");
query.supports("CanCreate", mEffect->_interfaceName());
vector<TraderOffer> *queryResults = query.query();
bool yes= queryResults->size();
delete queryResults;
return yes;
#else
return 0;
#endif
}
Effect::~Effect()
{
delete mConfig;
napp->effects()->remove(this, false);
emit napp->effects()->deleting(this);
delete mEffect;
napp->effects()->mItems.removeRef(this);
}
Effects::Effects()
{
mItems.setAutoDelete(false);
}
bool Effects::insert(const Effect *after, Effect *item)
{
if (!item) return false;
if (item->id()) return false;
if (item->isNull()) return false;
long i;
item->effect()->start();
if (!after)
i=stack.insertTop(*item->effect(), (const char*)item->name());
else
i=stack.insertAfter(after->id(), *item->effect(), (const char*)item->name());
if (!i)
{
item->effect()->stop();
return false;
}
item->mId=i;
emit added(item);
return true;
}
bool Effects::append(Effect *item)
{
if (!item) return false;
if (item->id()) return false;
if (item->isNull()) return false;
item->effect()->start();
item->mId=stack.insertBottom(*item->effect(), (const char*)item->name());
if (!item->mId)
{
item->effect()->stop();
return false;
}
emit added(item);
return true;
}
void Effects::move(const Effect *after, Effect *item)
{
if (!item) return;
if (!item->id()) return;
long id=after ? after->id() : 0;
stack.move(id, item->id());
emit moved(item);
}
void Effects::remove(Effect *item, bool del)
{
if (!item) return;
if (!item->id()) return;
stack.remove(item->id());
item->effect()->stop();
item->mId=0;
removed(item);
if (del)
delete item;
}
void Effects::removeAll(bool del)
{
for (QPtrListIterator<Effect> i(mItems); i.current(); ++i)
if ((*i)->id())
remove(*i, del);
}
QStrList Effects::available() const
{
QStrList val;
Arts::TraderQuery query;
query.supports("Interface", "Arts::StereoEffect");
query.supports("Interface", "Arts::SynthModule");
query.supports("Use", "directly");
vector<Arts::TraderOffer> *offers = query.query();
for (vector<Arts::TraderOffer>::iterator i=offers->begin(); i!=offers->end(); i++)
{
Arts::TraderOffer &offer=*i;
QCString name = offer.interfaceName().c_str();
val.append(name);
}
delete offers;
return val;
}
Effect *Effects::findId(long id) const
{
for (QPtrListIterator<Effect> i(mItems); i.current(); ++i)
if ((*i)->id()==id)
return *i;
return 0;
}
QPtrList<Effect> Effects::effects() const
{
vector<long> *items=stack.effectList();
QPtrList<Effect> effects;
for (vector<long>::iterator i=items->begin();i!=items->end();i++)
if (Effect *e=findId(*i))
effects.append(e);
delete items;
return effects;
}
#undef server
#undef stack
#undef engine
#include "effects.moc"