CThemeScrollBar.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 alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <FL/Fl.H>
#include <FL/Enumerations.H>
#include <sptk5/xdoc/Node.h>
#include <sptk5/gui/CThemeImageCollection.h>
#include <map>
#include <string>
 
namespace sptk {
 
enum CThemeScrollBarType
{
    THM_SCROLLBAR_VERTICAL,
    THM_SCROLLBAR_HORIZONTAL
};
 
class SP_EXPORT CScrollBarImages
{
public:
 
    enum type
    {
        TROUGH,
 
        SLIDER
 
    };
 
    CThemeScrollBarType m_orientation;
 
    CThemeImageCollection m_parts[3];
 
    CThemeImageCollection m_steppers[2];
 
    CScrollBarImages() noexcept
        : m_orientation(THM_SCROLLBAR_VERTICAL)
    {
    }
 
    void load(CThemeScrollBarType atype, bool desaturateInactiveButtons, bool externalFile = false);
 
    void clear();
};
 
class SP_EXPORT CThemeScrollBar
{
public:
    static CScrollBarImages m_scrollBar[2];
 
    static int m_scrollBarTroughBorder;
 
    static int m_scrollBarSliderWidth;
 
    static int m_scrollBarStepperSize;
 
 
    static void loadGtkScrollbarButtons(
        xdoc::Document& xml, const String& orientation, CThemeImageCollection& buttonImages);
 
    static void loadGtkScrollbarTroughs(xdoc::Document& xml);
 
    static void loadGtkScrollbarSliders(xdoc::Document& xml);
 
    static void loadGtkScrollbars(xdoc::Document& xml);
 
    static bool sizeScrollBar(int& w, int& h);
 
    static bool drawScrollBar(int x, int y, int w, int h, float minimum, float maximum, float value, float size,
                              int activeZone, bool active);
};
 
}