squilu/flu/src/Flu_Combo_List.cpp

// $Id: Flu_Combo_List.cpp,v 1.5 2004/03/24 02:49:13 jbryan Exp $

/***************************************************************
 *                FLU - FLTK Utility Widgets
 *  Copyright (C) 2002 Ohio Supercomputer Center, Ohio State University
 *
 * This file and its content is protected by a software license.
 * You should have received a copy of this license with this file.
 * If not, please contact the Ohio Supercomputer Center immediately:
 * Attn: Jason Bryan Re: FLU 1224 Kinnear Rd, Columbus, Ohio 43212
 *
 ***************************************************************/



#include <stdio.h>
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <string.h>
#include <stdlib.h>
#include <FL/math.h>

#include "FLU/Flu_Combo_List.H"

Flu_Combo_List::Flu_Combo_List( int X, int Y, int W, int H, const char* l )
    : Flu_Combo_Box( X, Y, W, H, l ), list(0,0,0,0)
{
    list.box( FL_FLAT_BOX );
    list.callback( _cb, this );
    set_combo_widget( &list );
    editable(0);
    pop_height(200);
}

void Flu_Combo_List::cb()
{
    if( list.value() )
        selected( list.text( list.value() ) );
    else
        _value( value() );
}

void Flu_Combo_List::_hilight( int x, int y )
{
    if( list.scrollbar.visible() )
    {
        if( x > list.x() && y > list.y() &&
                x < (list.x()+list.w()-list.scrollbar.w()) &&
                y < (list.y()+list.h()) )
            list.handle( FL_DRAG );
    }
    else
    {
        if( x > list.x() && y > list.y() &&
                x < (list.x()+list.w()) &&
                y < (list.y()+list.h()) )
            list.handle( FL_DRAG );
    }
}

bool Flu_Combo_List::_value( const char *v )
{
    // see if 'v' is in the list, and if so, make it the current selection
    for( int i = 1; i <= list.size(); i++ )
    {
        if( strcmp( list.text(i), v ) == 0 )
        {
            list.value( i );
            return true;
        }
    }
    return false;
}

const char* Flu_Combo_List::_next()
{
    int v = list.value();
    if( v < list.size() )
        list.value( v+1 );
    list.middleline( list.value() );
    return list.text(list.value());
}

const char* Flu_Combo_List::_previous()
{
    int v = list.value();
    if( v > 1 )
        list.value( v-1 );
    list.middleline( list.value() );
    return list.text(list.value());
}

void Flu_Combo_List::textsize(Fl_Fontsize pix)
{
    Flu_Combo_Box::textsize(pix);
    list.labelsize(pix);
    list.textsize(pix);
    input.textsize(pix);
}
void Flu_Combo_List::textfont(Fl_Font f)
{
    Flu_Combo_Box::textfont(f);
    list.labelfont(f);
    list.textfont(f);
    input.textfont(f);
}

void *Flu_Combo_List::get_data_at(int pos)
{
    if(pos == -1) pos = list.value();
    if(pos == 0) return 0;

    return list.data(pos);
}

void Flu_Combo_List::select_by_data (void *adata)
{
    int line = list.lineno_for_data(adata);
    list.value(line);
    value(list.text(line));
}