CLayoutClient.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library 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 Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexey overridep@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <FL/Fl_Widget.H>
#include <sptk5/xdoc/Node.h>
#include <string>
 
namespace sptk {
 
enum class CLayoutAlign : uint8_t
{
    NONE,   
    LEFT,   
    RIGHT,  
    TOP,    
    BOTTOM, 
    CLIENT  
};
 
enum class CLayoutXMLmode : uint8_t
{
    DATA = 1,
 
    LAYOUT = 2,
 
    LAYOUTDATA = 3
};
 
class SP_EXPORT CLayoutClient
{
    friend class CLayoutManager;
 
    int m_layoutSize;
 
    int m_lastPreferredW {0};
 
    int m_lastPreferredH {0};
 
protected:
    int lastPreferredH() const;
 
    int lastPreferredW() const;
 
    void lastPreferredH(int height);
 
    void lastPreferredW(int width);
 
    Fl_Widget* m_widget;
 
    String m_name;
 
    String m_label;
 
    CLayoutAlign m_layoutAlign;
 
public:
    CLayoutClient(Fl_Widget* widget, int layoutSize, CLayoutAlign ca);
 
    virtual ~CLayoutClient()
    {
    }
 
    CLayoutAlign layoutAlign() const
    {
        return m_layoutAlign;
    }
 
    void layoutAlign(CLayoutAlign al)
    {
        m_layoutAlign = al;
    }
 
    int layoutSize() const
    {
        return m_layoutSize;
    }
 
    void layoutSize(int ls)
    {
        m_layoutSize = ls;
    }
 
    virtual void label(const String& l)
    {
        m_label = l;
        m_widget->label(m_label.c_str());
    }
 
    virtual const String& label() const
    {
        return m_label;
    }
 
    void name(const char* aname)
    {
        m_name = aname;
    }
 
    void name(const String& aname)
    {
        m_name = aname;
    }
 
    const String& name() const
    {
        return m_name;
    }
 
    virtual bool preferredSize(int& w, int& h)
    {
        return false;
    }
 
    virtual bool computeSize(int& w, int& h)
    {
        bool rc = preferredSize(w, h);
        m_lastPreferredW = w;
        m_lastPreferredH = h;
        return rc;
    }
 
    virtual String className() const
    {
        return "Undefined";
    }
 
    Fl_Widget* widget() const
    {
        return m_widget;
    }
 
    virtual void load(const xdoc::SNode& node, CLayoutXMLmode xmlMode);
 
    virtual void load(const std::shared_ptr<xdoc::Node>& node)
    {
        load(node, CLayoutXMLmode::LAYOUT);
    }
 
    virtual void save(const std::shared_ptr<xdoc::Node>& node, CLayoutXMLmode xmlMode) const;
};
} // namespace sptk