scroll_widget.cpp

来自「ncbi源码」· C++ 代码 · 共 184 行

/*
 * ===========================================================================
 * PRODUCTION $Log: scroll_widget.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 20:49:39  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.5
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: scroll_widget.cpp,v 1000.1 2004/06/01 20:49:39 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Andrey Yazhuk
 *
 * File Description:
 *
 */

#include <ncbi_pch.hpp>
#include <gui/graph/scroll_widget.hpp>
#include <gui/graph/igraph_utils.hpp>

BEGIN_NCBI_SCOPE

///////////////////////////////////////////////////////////////////////////////
/// IScrollableWidget

CScrollWidget::CScrollWidget(int x, int y, int w, int h)
: Fl_Group(x, y, w, h),
  m_pScrollX(NULL),
  m_pScrollY(NULL),
  m_pScWidget(NULL)
{
}

CScrollWidget::~CScrollWidget()
{
    m_pScWidget = NULL;

    destroy_null(m_pScrollX);
    destroy_null(m_pScrollY);
}

void    CScrollWidget::SetScrollableWidget(IScrollableWidget* pScW)
{
    m_pScWidget = pScW;
    m_pScWidget->SetContainer(static_cast<IScrollContainer*>(this));

    Fl_Widget* pW = dynamic_cast<Fl_Widget*>(pScW);

    pW->box(FL_NO_BOX);
    pW->color(49);
    pW->selection_color(49);
    pW->labeltype(FL_NORMAL_LABEL);
    pW->labelfont(0);
    pW->labelsize(14);
    pW->labelcolor(56);
    pW->align(FL_ALIGN_CENTER);
    pW->when(FL_WHEN_RELEASE);  
    
    add_resizable(*pW);

    const int kScrollBarSize = 15;
    
    m_pScrollX = new Fl_Scrollbar
            (x(), y() + (h() - kScrollBarSize), 
            w() - kScrollBarSize, kScrollBarSize);
    m_pScrollX->type(FL_HORIZONTAL);
    m_pScrollX->labeltype(FL_NO_LABEL);
    m_pScrollX->callback(CScrollWidget::x_OnScrollX, this );
   
    m_pScrollY = new Fl_Scrollbar
        (x() + (w() - kScrollBarSize), y(), kScrollBarSize, 
                  h() - kScrollBarSize);
    m_pScrollY->type(FL_VERTICAL);
    m_pScrollY->labeltype(FL_NO_LABEL);
    m_pScrollY->callback(CScrollWidget::x_OnScrollY, this );
 
    end(); 
}
void CScrollWidget::SetValuesX(int Pos, int Page, int Min, int Max)
{
    if (m_pScrollX)
        m_pScrollX->value(Pos, Page, Min, Max);
}
void CScrollWidget::SetValuesY(int Pos, int Page, int Min, int Max)
{
    if (m_pScrollY)
        m_pScrollY->value(Pos, Page, Min, Max);
}

/*
void CScrollWidget::SetPosX(int Pos)
{
    if (m_pScrollX)
        m_pScrollX->value(Pos, Size, minimum(), maximum());
}

void CScrollWidget::SetPageSizeX(int Size)
{
    if (m_pScrollX) {
        int Pos = value();
        m_pScrollX->value(Pos, Size, minimum(), maximum());
    }

}
void CScrollWidget::SetScrollRangeX(int Min, int Max)
{
    if (m_pScrollX)
        m_pScrollX->range(Min, Max);
}

void CScrollWidget::SetPosY(int Pos)
{
}

void CScrollWidget::SetPageSizeY(int Size)
{
}

void CScrollWidget::SetScrollRangeY(int Start, int End)
{
}
*/
void CScrollWidget::x_OnScrollX(Fl_Widget* pW, void* pData)
{
    CScrollWidget* pCont = reinterpret_cast<CScrollWidget*>(pData);
    if (pCont)        
       pCont->m_pScWidget->OnScrollX(pCont->m_pScrollX);
}

void CScrollWidget::x_OnScrollY(Fl_Widget* pW, void* pData)
{
    CScrollWidget* pCont = reinterpret_cast<CScrollWidget*>(pData);
    if (pCont)        
       pCont->m_pScWidget->OnScrollY(pCont->m_pScrollY);
}

END_NCBI_SCOPE

/*
 * ===========================================================================
 * $Log: scroll_widget.cpp,v $
 * Revision 1000.1  2004/06/01 20:49:39  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.5
 *
 * Revision 1.5  2004/05/21 22:27:42  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.4  2003/09/04 14:03:03  dicuccio
 * Inlined destructors of interface classes
 *
 * Revision 1.3  2003/08/11 16:10:57  yazhuk
 * Compilation fixes for GCC
 *
 * Revision 1.2  2003/08/08 15:59:36  yazhuk
 * Comments added
 *
 * ===========================================================================
 */