scrollbar.cpp

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//
// $Id: scrollbar.cpp 2 2008-03-01 20:58:50Z kulibali $
//
// Copyright (c) 2008, The Periapsis Project. All rights reserved. 
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//

#include "framework/scrollbar.hpp"
#include "math/vector.hpp"
#include "platform/lowlevel.hpp"

namespace gsgl
{

    using namespace data;
    using namespace math;
    using namespace platform;

    namespace framework
    {
        
        config_variable<int> scrollbar::ARROW_SIZE(L"framework/scrollbar/arrow_size", 10);


        scrollbar::scrollbar(widget *parent, 
                             int x, int y, int w, int h, 
                             const color & fg, const color & bg, 
                             bar_mode mode)
            : widget(parent, x, y, w, h, fg, bg), min_val(0), max_val(0), pos(0), extent(0), mode(mode)
        {
            //LOG_BASIC(L"ui: creating scrollbar");
        } // scrollbar::scrollbar()


        scrollbar::~scrollbar()
        {
            //LOG_BASIC(L"ui: destroying scrollbar");
        } // scrollbar::~scrollbar()


        void scrollbar::draw()
        {
            assert(max_val >= min_val);
            assert(pos >= min_val);
            assert(pos <= max_val);
            assert(pos + extent <= max_val);

            widget::draw();

            glPushAttrib(GL_ALL_ATTRIB_BITS);
            glPushClientAttrib(GL_CLIENT_ALL_ATTRIB_BITS);

            get_foreground().set();
            glLineWidth(3.0f);

            if (mode == VERTICAL)
            {
                // draw up arrow
                
                // draw down arrow
            }
            else
            {
            }

            glPopClientAttrib();
            glPopAttrib();
        } // scrollbar::draw()

    } // namespace framework

} // namespace gsgl

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