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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 1 авг. 2020 г.
*
* lsp-tk-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-tk-lib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-tk-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_PROP_COLLECTION_WIDGETSET_H_
#define LSP_PLUG_IN_TK_PROP_COLLECTION_WIDGETSET_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
#include <lsp-plug.in/lltl/phashset.h>
namespace lsp
{
namespace tk
{
class GenericWidgetSet: public Property
{
private:
GenericWidgetSet & operator = (const GenericWidgetSet &);
GenericWidgetSet(const GenericWidgetSet &);
protected:
const w_class_t *pMeta;
prop::CollectionListener *pCListener;
mutable lltl::phashset<Widget> sSet;
public:
explicit GenericWidgetSet(const w_class_t *meta, prop::Listener *listener = NULL, prop::CollectionListener *clistener = NULL);
virtual ~GenericWidgetSet();
public:
status_t add(Widget *w);
status_t remove(Widget *w);
status_t toggle(Widget *w);
void clear();
status_t swap(GenericWidgetSet *dst);
inline status_t swap(GenericWidgetSet &dst) { return swap(&dst); }
inline bool values(lltl::parray<Widget> *dst) { return sSet.values(dst); }
inline bool values(lltl::parray<Widget> &dst) { return sSet.values(&dst); }
};
template <class widget_t>
class WidgetSet: public GenericWidgetSet
{
private:
WidgetSet<widget_t> & operator = (const WidgetSet<widget_t> &);
WidgetSet(const WidgetSet<widget_t> &);
protected:
inline widget_t *wcast(Widget *w) { return (w != NULL) ? static_cast<widget_t*>(w) : NULL; }
public:
explicit WidgetSet(prop::Listener *listener = NULL, prop::CollectionListener *clistener = NULL): GenericWidgetSet(&widget_t::metadata, listener, clistener) {}
public:
inline size_t size() const { return sSet.size(); }
inline status_t add(widget_t *w) { return GenericWidgetSet::add(w); }
inline status_t remove(widget_t *w) { return GenericWidgetSet::remove(w); }
inline bool contains(const widget_t *w) const { return sSet.contains(w); }
inline status_t toggle(widget_t *w) { return GenericWidgetSet::toggle(w); }
inline widget_t *any() { return wcast(sSet.any()); }
inline bool values(lltl::parray<widget_t> *dst)
{
union {
lltl::parray<widget_t> *wt;
lltl::parray<Widget> *wg;
} x;
x.wt = dst;
if (!sSet.values(x.wg))
return false;
for (size_t i=0, n=dst->size(); i<n; ++i)
dst->set(i, wcast(dst->uget(i)));
return true;
}
inline bool values(lltl::parray<Widget> &dst) { return values(&dst); }
using GenericWidgetSet::values;
inline status_t swap(WidgetSet<widget_t> *lst) { return GenericWidgetSet::swap(lst); }
inline status_t swap(WidgetSet<widget_t> &lst) { return GenericWidgetSet::swap(&lst); }
};
namespace prop
{
template <class widget_t>
class WidgetSet: public tk::WidgetSet<widget_t>
{
private:
WidgetSet<widget_t> & operator = (const WidgetSet<widget_t> &);
WidgetSet(const WidgetSet<widget_t> &);
public:
explicit WidgetSet(prop::Listener *listener = NULL, prop::CollectionListener *clistener = NULL): tk::WidgetSet<widget_t>(listener, clistener) {}
public:
inline void flush() { this->sSet.flush(); }
};
}
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_PROP_COLLECTION_WIDGETSET_H_ */
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