fltk_utils.cpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: fltk_utils.cpp,v $
 * PRODUCTION Revision 1000.3  2004/06/01 21:04:57  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.24
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: fltk_utils.cpp,v 1000.3 2004/06/01 21:04:57 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:  Mike DiCuccio
 *
 * File Description:
 *    Generic FLTK utilities.
 */

#include <ncbi_pch.hpp>
#include <corelib/ncbiapp.hpp>
#include <gui/utils/fltk_utils.hpp>
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Window.H>

BEGIN_NCBI_SCOPE

//
// our event cache
//
CFltkEvent::TEventMap CFltkEvent::sm_EventMap;


Fl_Cursor CFltkUtils::m_CurrentCursor = FL_CURSOR_DEFAULT;

void CFltkUtils::Lock()
{
#ifdef NCBI_THREADS
    Fl::lock();
#endif
}


void CFltkUtils::Unlock(void* ptr)
{
#ifdef NCBI_THREADS
    Fl::unlock();
    Fl::awake(ptr);
#endif
}


void CFltkUtils::SetCursor(Fl_Cursor cursor)
{
    CFltkGuard LOCK;
    m_CurrentCursor = cursor;
    fl_cursor(cursor);
}


// 
// Escape fltk special characters: \, @, &
//
string CFltkUtils::EscapeSpecialChars(const string& src)
{
    string dest = src;
    dest = NStr::Replace(dest, "/", "\\/");
    dest = NStr::Replace(dest, "@", "\\@");
    dest = NStr::Replace(dest, "&", "\\&");
    return dest;
}


Fl_Cursor CFltkUtils::GetCursor()
{
    CFltkGuard LOCK;
    return m_CurrentCursor;
}


CFltkCursorGuard::CFltkCursorGuard(Fl_Cursor cursor)
    : m_OrigCursor(FL_CURSOR_DEFAULT)
    , m_CursorWindow(NULL)
{
    CFltkGuard LOCK;
    m_OrigCursor = CFltkUtils::GetCursor();
    Fl_Widget* focus = Fl::focus();
    if (focus) {
        m_CursorWindow = focus->window();
    }

    CFltkUtils::SetCursor(cursor);
}


CFltkCursorGuard::~CFltkCursorGuard()
{
    CFltkGuard LOCK;
    Fl_Widget* focus = Fl::focus();
    Fl::focus(m_CursorWindow);
    CFltkUtils::SetCursor(m_OrigCursor);
    Fl::focus(focus);
}


//
//
// box types for FLTK
//
//

static void s_NcbiBox_Right(int x, int y, int w, int h, Fl_Color c)
{
    fl_color(FL_GRAY_RAMP + 15);
    fl_line_style(FL_SOLID, 2);
    fl_line(x + w, y, x + w, y + h);
    fl_line_style(FL_SOLID, 1);
}


void CFltkUtils::Init(int argc, char** argv)
{
    CFltkUtils::Lock();

    //
    // basic FLTK setup stuff
    //

    // this gets us the fast path for OpenGL rendering
    CNcbiApplication* app = CNcbiApplication::Instance();
    if (app) {
        app->SetEnvironment("GL_SWAP_TYPE", "NODAMAGE");
    }

    // set our default visual
    Fl::visual(FL_DOUBLE | FL_RGB8);

    // set our default interaction modes
    // this is operating-system dependent
    // NB: this will go away
    CFltkEvent::SetOSDefaults();

    // all default box types
    Fl::set_boxtype(static_cast<Fl_Boxtype>(static_cast<int>(eBox_RightEdge)),
                    s_NcbiBox_Right, 1, 1, 2, 2);

    // FLTK argument processing
    Fl::args(argc, argv);
};

END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: fltk_utils.cpp,v $
 * Revision 1000.3  2004/06/01 21:04:57  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.24
 *
 * Revision 1.24  2004/05/25 21:13:01  ucko
 * Explicitly cast through int when converting between enum types.
 *
 * Revision 1.23  2004/05/25 17:14:38  dicuccio
 * Added standard FLTK intialization routine.  Fixed EscapeChars() - replace with
 * correct characters
 *
 * Revision 1.22  2004/05/21 22:27:51  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.21  2004/05/18 11:24:13  friedman
 * Added method to add escape char to FLTK special chars.
 *
 * Revision 1.20  2004/03/23 13:39:32  dicuccio
 * Added GetCursor().  Fixed hanging wait cursor
 *
 * Revision 1.19  2004/03/17 19:51:24  yazhuk
 * Moved Event classes to gui_event.cpp
 *
 * Revision 1.18  2004/03/02 22:28:08  yazhuk
 * CGUIEvent fix - reset m_GUIsignal on every event
 *
 * Revision 1.17  2004/02/05 16:57:44  lebedev
 * Mac OS specific StandartConfig fixed
 *
 * Revision 1.16  2004/01/30 17:14:40  dicuccio
 * Added standard handlers for cut/copy/paste/undo/redo
 *
 * Revision 1.15  2004/01/09 01:00:32  dicuccio
 * FIxed typo - CGUnIEvent
 *
 * Revision 1.14  2004/01/08 19:37:24  yazhuk
 * Added FL_UNFOCUS handling
 *
 * Revision 1.13  2004/01/06 20:16:34  dicuccio
 * Added CFltkCursorGuard
 *
 * Revision 1.12  2003/12/31 20:19:42  dicuccio
 * Added CFltkUtils::Lock(), CFltkUtils::Unlock()
 *
 * Revision 1.11  2003/12/01 16:31:37  yazhuk
 * Added CGUIEvent class
 *
 * Revision 1.10  2003/06/30 12:55:04  dicuccio
 * Fixed (hopefully) event mapping for MacOS
 *
 * Revision 1.9  2003/06/26 16:01:03  dicuccio
 * Remove double click from an explicitly set flag - it causes confusion on event
 * mapping
 *
 * Revision 1.8  2003/06/16 00:35:19  dicuccio
 * Added CAppPopup
 *
 * Revision 1.7  2003/06/13 12:39:09  dicuccio
 * Code clean-up.  Made some local const arrays static
 *
 * Revision 1.6  2003/03/21 17:02:57  dicuccio
 * Moved fltk_utils --> gui/utils
 *
 * Revision 1.5  2003/03/10 23:06:13  kuznets
 * iterate -> ITERATE
 *
 * Revision 1.4  2003/01/13 13:10:07  dicuccio
 * Namespace clean-up.  Retired namespace gui -> converted all to namespace ncbi.
 * Moved all FLUID-generated code into namespace ncbi.
 *
 * Revision 1.3  2002/12/23 13:48:59  dicuccio
 * Changed all *EventState --> *Event (less verbose)
 *
 * Revision 1.2  2002/11/20 16:27:41  lebedev
 * Mac OS: key mapping changed
 *
 * Revision 1.1  2002/11/19 17:07:23  dicuccio
 * Initial revision.
 *
 * ===========================================================================
 */