/*
    File        : writablefield_b.c++
    Date        : 19-Sep-02
    Description : Base class to represent a writable field toolbox gadget.

    Copyright  1995-2002 Alexander Thoukydides

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/

// Include header file for this module
#include "writablefield_b.h"

/*
    Parameters  : value             - The text string to set.
    Returns     : writablefield_b   - This object.
    Description : Set the value of this gadget. To reduce flicker the value
                  is not updated unless it has changed.
*/
writablefield_b &writablefield_b::operator=(const char *value)
{
    gadget_w_string::operator=(value);
    return *this;
}

/*
    Parameters  : value             - The text string to set.
    Returns     : writablefield_b   - This object.
    Description : Set the value of this gadget. To reduce flicker the value
                  is not updated unless it has changed.
*/
writablefield_b &writablefield_b::operator=(const string &value)
{
    gadget_w_string::operator=(value);
    return *this;
}

/*
    Parameters  : position  - The field justification.
    Returns     : void
    Description : Gadget specific function to set the justification.
*/
void writablefield_b::_set_justification(justification position)
{
    gadget_flags flags = _get_flags()
                         & ~(writablefield_RJUSTIFIED | writablefield_HCENTRED);
    if (position == right) flags |= writablefield_RJUSTIFIED;
    else if (position == centre) flags |= writablefield_HCENTRED;
    _set_flags(flags);
}

/*
    Parameters  : void
    Returns     : bool  - The field justification.
    Description : Gadget specific function to Get the justification.
*/
writablefield_b::justification writablefield_b::_get_justification() const
{
    gadget_flags flags = _get_flags();
    return  flags & writablefield_RJUSTIFIED
            ? right
            : (flags & writablefield_HCENTRED ? centre : left);
}
