/*
 *
 *  This file is part of the XForms library package.
 *
 * XForms is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1, or
 * (at your option) any later version.
 *
 * XForms 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with XForms; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 *
 */


/**
 * \file round3d.c
 *
 *.
 *  This file is part of the XForms library package.
 *  Copyright (c) 1996-2002  T.C. Zhao
 *  All rights reserved.
 *.
 *
 */

#if defined F_ID || defined DEBUG
char *fl_r3dbut = "$Id: round3d.c,v 1.8 2008/05/04 21:08:00 jtt Exp $";
#endif

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <sys/types.h>
#include "include/forms.h"
#include "flinternal.h"

typedef FL_BUTTON_STRUCT SPEC;


/***************************************
 * Draws a round button
 ***************************************/

static void
draw_round3dbutton( FL_OBJECT * ob )
{
    int c1;
    FL_Coord xx,
		     yy,
		     rr,
		     bw = FL_abs( ob->bw );
    SPEC *sp = ob->spec;

    if (    ob->boxtype == FL_NO_BOX
		 && ( sp->event == FL_ENTER || sp->event == FL_LEAVE ) )
		return;

    c1 = ob->belowmouse ? FL_ROUND3DBUTTON_MCOL : FL_ROUND3DBUTTON_TOPCOL;

    fl_drw_box(ob->boxtype, ob->x, ob->y, ob->w, ob->h, c1, ob->bw);

    rr = 0.3 * FL_min( ob->w, ob->h ) + 0.5;
//    xx = ob->x + 1.5 * ( bw < 2 ? 2 : bw ) + rr + 1.1;
    xx = ob->x + rr + 4.1;
    yy = ob->y + 0.5 * ob->h;

    if ( rr < bw / 2 )
		rr = bw / 2 + 1;

#if 1
    fl_drw_box( FL_OVAL3D_DOWNBOX, xx - rr, yy - rr,
				2 * rr, 2 * rr, ob->col1, ob->bw );
#else
    olw = fl_get_linewidth( );
    fl_linewidth( bw );
    fl_arc( xx, yy, rr - bw / 2, 450, 2250, FL_BOTTOM_BCOL );
    fl_arc( xx, yy, rr - bw / 2, 0, 450, FL_TOP_BCOL );
    fl_arc( xx, yy, rr - bw / 2, 2250, 3600, FL_TOP_BCOL );
    fl_linewidth( olw );

    if ( fli_dithered( fl_vmode ) )
		fl_arc( xx, yy, rr - bw / 2, 0, 3600, FL_BLACK );
#endif

    if ( sp->val )
		fl_circf( xx, yy, ( int ) FL_max( 1, 0.85 * rr - 1.0 - 0.5 * bw ),
				  ob->col2 );

    if ( ob->align == FL_ALIGN_CENTER )
		fl_drw_text( FL_ALIGN_LEFT, xx + rr + 1, ob->y, 0, ob->h,
					 ob->lcol, ob->lstyle, ob->lsize, ob->label );
    else
		fl_drw_text_beside( ob->align, ob->x, ob->y, ob->w, ob->h,
							ob->lcol, ob->lstyle, ob->lsize, ob->label );

    if ( ob->type == FL_RETURN_BUTTON )
		fl_drw_text( 0,
					 ob->x + ob->w - 0.8 * ob->h, ob->y + 0.2 * ob->h,
					 0.6 * ob->h, 0.6 * ob->h, ob->lcol, 0, 0, "@returnarrow" );
}


/***************************************
 * creates an object
 ***************************************/

FL_OBJECT *
fl_create_round3dbutton( int          type,
						 FL_Coord     x,
						 FL_Coord     y,
						 FL_Coord     w,
						 FL_Coord     h,
						 const char * label )
{
    FL_OBJECT *ob;

    fl_add_button_class( FL_ROUND3DBUTTON, draw_round3dbutton, 0 );
    ob = fl_create_generic_button( FL_ROUND3DBUTTON, type, x, y, w, h, label );

    ob->boxtype = FL_ROUND3DBUTTON_BOXTYPE;
    ob->col1    = FL_ROUND3DBUTTON_COL1;
    ob->col2    = FL_ROUND3DBUTTON_COL2;
    ob->align   = FL_ROUND3DBUTTON_ALIGN;
    ob->lcol    = FL_ROUND3DBUTTON_LCOL;

    return ob;
}


/***************************************
 * Adds an object
 ***************************************/

FL_OBJECT *
fl_add_round3dbutton( int          type,
					  FL_Coord     x,
					  FL_Coord     y,
					  FL_Coord     w,
					  FL_Coord     h,
					  const char * label )
{
    FL_OBJECT *ob = fl_create_round3dbutton( type, x, y, w, h, label );

    fl_add_object( fl_current_form, ob );
    return ob;
}
