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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: 7 мая 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_BOOLEAN_H_
#define LSP_PLUG_IN_TK_PROP_BOOLEAN_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
/**
* Booleaning-point property interface
*/
class Boolean: public SimpleProperty
{
private:
Boolean & operator = (const Boolean &);
Boolean(const Boolean &);
protected:
bool bValue;
protected:
virtual void commit(atom_t property);
virtual void push();
protected:
explicit Boolean(prop::Listener *listener = NULL);
virtual ~Boolean();
public:
/**
* Get value of the boolean property
* @return value of the boolean property
*/
inline bool get() const { return bValue; }
/**
* Get inverse value of the boolean property
* @return inverse value of the boolean property
*/
inline bool iget() const { return !bValue; }
/**
* Set value of the boolean property
* @param v value of the boolean property
* @return previous value
*/
bool set(bool v = true);
/**
* Invert the value of the boolean property
* @return previous value
*/
inline bool toggle() { return set(!bValue); }
/**
* Swap contents
* @param dst destination property to perform swap
*/
void swap(Boolean *dst);
/**
* Commit boolean flag as some bit in a bit set
* @param set bit set to take as source
* @param flag flag that indicates boolean value
* @return updated bit set
*/
size_t add_as_flag(size_t set, size_t flag);
};
namespace prop
{
/**
* Booleaning property implementation
*/
class Boolean: public tk::Boolean
{
private:
Boolean & operator = (const Boolean &);
Boolean(const Boolean &);
public:
explicit inline Boolean(prop::Listener *listener = NULL): tk::Boolean(listener) {};
public:
/**
* Bind property with specified name to the style of linked widget
*/
inline status_t bind(atom_t property, Style *style) { return SimpleProperty::bind(property, style, PT_BOOL, &sListener); }
inline status_t bind(const char *property, Style *style) { return SimpleProperty::bind(property, style, PT_BOOL, &sListener); }
inline status_t bind(const LSPString *property, Style *style) { return SimpleProperty::bind(property, style, PT_BOOL, &sListener); }
/**
* Unbind property
*/
inline status_t unbind() { return SimpleProperty::unbind(&sListener); };
/**
* Commit value
* @param value value to commit
* @return previous value
*/
bool commit_value(bool value);
inline void listener(prop::Listener *listener) { pListener = listener; }
};
}
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_PROP_BOOLEAN_H_ */
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