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/*
* Copyright (C) 2025 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2025 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 4 июн. 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_MULTI_RANGEFLOAT_H_
#define LSP_PLUG_IN_TK_PROP_MULTI_RANGEFLOAT_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
/**
* Floating-point property interface
*/
class RangeFloat: public MultiProperty
{
protected:
enum property_t
{
P_VALUE,
P_RVALUE,
P_MIN,
P_MAX,
P_COUNT
};
enum flags_t
{
F_RANGE_LOCK = 1 << 0,
F_AUTO_LIMIT = 1 << 1
};
protected:
static const prop::desc_t DESC[];
protected:
atom_t vAtoms[P_COUNT]; // Atom bindings
float fValue;
float fMin;
float fMax;
size_t nFlags;
float_transform_t pTransform;
mutable void *pTransformArg;
protected:
virtual void push() override;
virtual void commit(atom_t property) override;
float climited(float v) const;
float change(float k, float step);
float do_limit(float v) const;
float transform(float v) const;
protected:
explicit RangeFloat(prop::Listener *listener = NULL);
RangeFloat(const RangeFloat &) = delete;
RangeFloat(RangeFloat &&) = delete;
virtual ~RangeFloat() override;
RangeFloat & operator = (const RangeFloat &) = delete;
RangeFloat & operator = (RangeFloat &&) = delete;
public:
inline void set_transform(float_transform_t func, void *arg = NULL) { pTransform = func; pTransformArg = arg; }
inline void clear_transform() { set_transform(NULL, NULL); }
public:
inline float get() const { return do_limit(fValue); }
inline float min() const { return fMin; }
inline float max() const { return fMax; }
inline float range() const { return fMax - fMin; }
inline float abs_range() const { return (fMax > fMin) ? fMax - fMin : fMin - fMax; }
inline bool range_locked() const { return nFlags & F_RANGE_LOCK; }
inline bool auto_limit() const { return nFlags & F_AUTO_LIMIT; }
float set(float v);
float set_all(float v, float min, float max);
float set_min(float v);
float set_max(float v);
void set_range(float min, float max);
float add(float value, bool cyclic = false);
float sub(float value, bool cyclic = false);
float get_normalized(float value) const { return Property::normalized(value, fMin, fMax); }
inline float get_normalized() const { return Property::normalized(fValue, fMin, fMax); }
float set_normalized(float value, bool cyclic = false);
static inline float limit(float value, float min, float max) { return Property::limit(value, min, max); }
inline float limit(float v) const { return Property::limit(v, fMin, fMax); }
static inline bool matches(float v, float min, float max) { return Property::matches(v, min, max); }
inline bool matches(float v) const { return Property::matches(v, fMin, fMax); }
};
namespace prop
{
/**
* RangeFloat property implementation
*/
class RangeFloat: public tk::RangeFloat
{
public:
explicit RangeFloat(prop::Listener *listener = NULL): tk::RangeFloat(listener) {};
RangeFloat(const RangeFloat &) = delete;
RangeFloat(RangeFloat &&) = delete;
RangeFloat & operator = (const RangeFloat &) = delete;
RangeFloat & operator = (RangeFloat &&) = delete;
public:
bool lock_range(bool lock = true);
inline bool unlock_range() { return lock_range(false); }
bool set_auto_limit(bool enable = true);
float set_min(float v);
float set_max(float v);
void set_range(float min, float max);
float set_all(float v, float min, float max);
float commit_value(float v);
/**
* Bind property with specified name to the style of linked widget
*/
inline status_t bind(atom_t property, Style *style) { return tk::RangeFloat::bind(property, style, vAtoms, DESC, &sListener); }
inline status_t bind(const char *property, Style *style) { return tk::RangeFloat::bind(property, style, vAtoms, DESC, &sListener); }
inline status_t bind(const LSPString *property, Style *style) { return tk::RangeFloat::bind(property, style, vAtoms, DESC, &sListener); }
/**
* Unbind property
*/
inline status_t unbind() { return tk::RangeFloat::unbind(vAtoms, DESC, &sListener); };
};
} /* namespace prop */
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_PROP_MULTI_RANGEFLOAT_H_ */
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