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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: 1 июн. 2021 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_ALIGNMENT_H_
#define LSP_PLUG_IN_TK_PROP_MULTI_ALIGNMENT_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
/**
* Alignment property.
* Allows to align element within parent container
* from the most left/top (-1) position to the
* most right/bottom (1) position in one direction
*
* Additionally, it allows to control the scaling of
* the space relative to the rest empty space if possible
*/
class Alignment: public MultiProperty
{
protected:
enum property_t
{
P_VALUE,
P_ALIGN,
P_SCALE,
P_COUNT
};
protected:
static const prop::desc_t DESC[];
protected:
atom_t vAtoms[P_COUNT]; // Atom bindings
float nAlign; // Alignment
float nScale; // Scaling
protected:
virtual void push() override;
virtual void commit(atom_t property) override;
void parse(const LSPString *s);
protected:
explicit Alignment(prop::Listener *listener = NULL);
Alignment(const Alignment &) = delete;
Alignment(Alignment &&) = delete;
virtual ~Alignment() override;
Alignment & operator = (const Alignment &) = delete;
Alignment & operator = (Alignment &&) = delete;
public:
inline float align() const { return nAlign; }
inline float scale() const { return nScale; }
float set_align(float v);
float set_scale(float v);
void set(float halign, float valign);
inline void set_default() { MultiProperty::set_default(vAtoms, DESC); }
public:
void happly(ws::rectangle_t *dst, const ws::rectangle_t *src, const ws::size_limit_t *req);
void happly(ws::rectangle_t *dst, const ws::rectangle_t *src, ssize_t avail);
void vapply(ws::rectangle_t *dst, const ws::rectangle_t *src, const ws::size_limit_t *req);
void vapply(ws::rectangle_t *dst, const ws::rectangle_t *src, ssize_t avail);
void apply(ws::rectangle_t *dst, const ws::rectangle_t *src, const ws::size_limit_t *req, orientation_t orientation);
void apply(ws::rectangle_t *dst, const ws::rectangle_t *src, ssize_t avail, orientation_t orientation);
inline void happly(ws::rectangle_t *dst, const ws::size_limit_t *req) { return happly(dst, dst, req); }
inline void happly(ws::rectangle_t *dst, ssize_t avail) { return happly(dst, dst, avail); }
inline void vapply(ws::rectangle_t *dst, const ws::size_limit_t *req) { return vapply(dst, dst, req); }
inline void vapply(ws::rectangle_t *dst, ssize_t avail) { return vapply(dst, dst, avail); }
void apply(ws::rectangle_t *dst, const ws::size_limit_t *req, orientation_t orientation);
void apply(ws::rectangle_t *dst, ssize_t avail, orientation_t orientation);
};
namespace prop
{
/**
* Alignment property implementation
*/
class Alignment: public tk::Alignment
{
public:
explicit Alignment(prop::Listener *listener = NULL): tk::Alignment(listener) {};
Alignment(const Alignment &) = delete;
Alignment(Alignment &&) = delete;
Alignment & operator = (const Alignment &) = delete;
Alignment & operator = (Alignment &&) = delete;
public:
/**
* Bind property with specified name to the style of linked widget
*/
inline status_t bind(atom_t property, Style *style) { return tk::Alignment::bind(property, style, vAtoms, DESC, &sListener); }
inline status_t bind(const char *property, Style *style) { return tk::Alignment::bind(property, style, vAtoms, DESC, &sListener); }
inline status_t bind(const LSPString *property, Style *style) { return tk::Alignment::bind(property, style, vAtoms, DESC, &sListener); }
/**
* Unbind property
*/
inline status_t unbind() { return tk::Alignment::unbind(vAtoms, DESC, &sListener); };
inline void listener(prop::Listener *listener) { pListener = listener; }
};
} /* namespace prop */
} /* namespace tk */
} /* namespace lsp */
#endif /* INCLUDE_LSP_PLUG_IN_TK_PROP_MULTI_ALIGNMENT_H_ */
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