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/*
*
* 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.
*
*/
/*
* $Id: roundbut.c,v 1.0 2002/05/08 05:16:30 zhao Release $
*.
* This file is part of the XForms library package.
* Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
* All rights reserved.
*.
*
*
*/
#if defined(F_ID) || defined(DEBUG)
char *fl_id_rbut = "$Id: roundbut.c,v 1.0 2002/05/08 05:16:30 zhao Release $";
#endif
#include <sys/types.h>
#include "forms.h"
typedef FL_BUTTON_STRUCT SPEC;
/* Draws a round button */
static void
draw_roundbutton(FL_OBJECT * ob)
{
int c1;
FL_Coord xx, yy, rr, cr, 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_ROUNDBUTTON_MCOL : FL_ROUNDBUTTON_TOPCOL;
fl_drw_box(ob->boxtype, ob->x, ob->y, ob->w, ob->h, c1, ob->bw);
rr = 0.3f * FL_min(ob->w, ob->h);
rr = (int) (rr + 0.5f);
xx = ob->x + 1.5f * (bw < 2 ? 2 : bw) + rr + 1.1;
yy = ob->y + ob->h / 2;
fl_circf(xx, yy, rr, ob->col1);
fl_circ(xx, yy, rr, FL_BLACK);
if (sp->val)
{
cr = (0.8f * rr);
fl_circf(xx, yy, cr, ob->col2);
fl_circ(xx, yy, cr, FL_BLACK);
}
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_draw_object_label_outside(ob);
if (ob->type == FL_RETURN_BUTTON)
fl_drw_text(0,
(FL_Coord) (ob->x + ob->w - 0.8f * ob->h),
(FL_Coord) (ob->y + 0.2f * ob->h),
(FL_Coord) (0.6f * ob->h), (FL_Coord) (0.6f * ob->h),
ob->lcol, 0, 0, "@returnarrow");
}
/* creates an object */
FL_OBJECT *
fl_create_roundbutton(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_ROUNDBUTTON, draw_roundbutton, 0);
ob = fl_create_generic_button(FL_ROUNDBUTTON, type, x, y, w, h, label);
ob->boxtype = FL_ROUNDBUTTON_BOXTYPE;
ob->col1 = FL_ROUNDBUTTON_COL1;
ob->col2 = FL_ROUNDBUTTON_COL2;
ob->align = FL_ROUNDBUTTON_ALIGN;
ob->lcol = FL_ROUNDBUTTON_LCOL;
return ob;
}
/* Adds an object */
FL_OBJECT *
fl_add_roundbutton(int type, FL_Coord x, FL_Coord y, FL_Coord w, FL_Coord h,
const char *label)
{
FL_OBJECT *ob;
ob = fl_create_roundbutton(type, x, y, w, h, label);
fl_add_object(fl_current_form, ob);
return ob;
}
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