fd02642ee0
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8043 a1c6a512-1295-4272-9138-f99709370657
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 by Kevin Ferrare
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "option_select.h"
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#include "sprintf.h"
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#include "kernel.h"
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#include "lang.h"
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void option_select_init_numeric(struct option_select * opt,
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const char * title,
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int init_value,
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int min_value,
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int max_value,
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int step,
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const char * unit,
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option_formatter *formatter)
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{
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opt->title=title;
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opt->min_value=min_value;
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opt->max_value=max_value+1;
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opt->option=init_value;
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opt->step=step;
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opt->extra_string=unit;
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opt->formatter=formatter;
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opt->items=NULL;
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opt->limit_loop=false;
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}
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void option_select_init_items(struct option_select * opt,
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const char * title,
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int selected,
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const struct opt_items * items,
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int nb_items)
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{
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opt->title=title;
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opt->min_value=0;
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opt->max_value=nb_items;
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opt->option=selected;
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opt->step=1;
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opt->formatter=NULL;
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opt->items=items;
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opt->limit_loop=false;
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}
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void option_select_next(struct option_select * opt)
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{
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if(opt->option + opt->step >= opt->max_value)
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{
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if(!opt->limit_loop)
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{
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if(opt->option==opt->max_value-1)
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opt->option=opt->min_value;
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else
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opt->option=opt->max_value-1;
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}
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}
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else
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opt->option+=opt->step;
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}
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void option_select_prev(struct option_select * opt)
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{
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if(opt->option - opt->step < opt->min_value)
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{
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if(!opt->limit_loop)
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{
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if(opt->option==opt->min_value)
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opt->option=opt->max_value-1;
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else
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opt->option=opt->min_value;
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}
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}
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else
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opt->option-=opt->step;
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}
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const char * option_select_get_text(struct option_select * opt, char * buffer,
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int buffersize)
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{
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if(opt->items)
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return(P2STR(opt->items[opt->option].string));
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if(!opt->formatter)
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snprintf(buffer, buffersize,"%d %s", opt->option, opt->extra_string);
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else
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opt->formatter(buffer, buffersize, opt->option, opt->extra_string);
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return(buffer);
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}
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