form.h

/*
 * Copyright (C) 2018 Microchip Technology Inc.  All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef EGT_FORM_H
#define EGT_FORM_H
 
#include <egt/detail/meta.h>
#include <egt/frame.h>
#include <egt/sizer.h>
#include <memory>
#include <string>
#include <vector>
 
namespace egt
{
inline namespace v1
{
 
namespace experimental
{
 
class EGT_API Form : public Frame
{
public:
 
    explicit Form(const std::string& title = {}) noexcept;
 
    explicit Form(Frame& parent, const std::string& title = {}) noexcept;
 
    explicit Form(Serializer::Properties& props) noexcept
        : Form(props, false)
    {
    }
 
protected:
 
    explicit Form(Serializer::Properties& props, bool is_derived) noexcept;
 
public:
 
    void add_group(const std::string& caption);
 
    template<class T>
    void add_option(const std::string& name, const std::shared_ptr<T>& widget)
    {
        auto p = std::dynamic_pointer_cast<Widget>(widget);
        add_option(name, p);
    }
 
    void add_option(const std::string& name, const std::shared_ptr<Widget>& widget);
 
    template<class T>
    void add_option(const std::shared_ptr<T>& widget)
    {
        auto p = std::dynamic_pointer_cast<Widget>(widget);
        add_option(p);
    }
 
    void add_option(const std::shared_ptr<Widget>& widget);
 
    void remove_options();
 
    void name_align(const AlignFlags& align)
    {
        if (detail::change_if_diff<>(m_name_align, align))
            parent_layout();
    }
 
    void group_align(const AlignFlags& align)
    {
        if (detail::change_if_diff<>(m_group_align, align))
            parent_layout();
    }
 
protected:
 
    EGT_NODISCARD virtual DefaultDim min_option_height() const
    {
        return 50;
    }
 
    BoxSizer m_vsizer;
 
    std::vector<Widget*> m_options;
 
    AlignFlags m_name_align{AlignFlag::center_vertical | AlignFlag::left};
 
    AlignFlags m_group_align{AlignFlag::bottom | AlignFlag::left};
};
 
}
}
}
 
#endif