rockbox/apps/gui/select.c
Kevin Ferrare 2bffba7406 oops ! fixed the compile error on the archos player, forgot a ifdef ...
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7748 a1c6a512-1295-4272-9138-f99709370657
2005-11-04 07:48:28 +00:00

145 lines
4.1 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Kevin Ferrare
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "select.h"
#include "lang.h"
#include "textarea.h"
#include "sprintf.h"
#include "kernel.h"
#include "screen_access.h"
void gui_select_init_numeric(struct gui_select * select,
const char * title,
int init_value,
int min_value,
int max_value,
int step,
const char * unit,
void (*formatter)(char* dest,
int dest_length,
int variable,
const char* unit)
)
{
select->canceled=false;
select->validated=false;
select->title=title;
select->min_value=min_value;
select->max_value=max_value;
select->option=init_value;
select->step=step;
select->extra_string=unit;
select->formatter=formatter;
select->items=NULL;
}
void gui_select_init_items(struct gui_select * select,
const char * title,
int selected,
const struct opt_items * items,
int nb_items)
{
select->canceled=false;
select->validated=false;
select->title=title;
select->min_value=0;
select->max_value=nb_items;
select->option=selected;
select->step=1;
select->formatter=NULL;
select->items=items;
}
//FIXME: si step>1, mettre d'abord au plus grand, ensuite passerau plus petit
void gui_select_next(struct gui_select * select)
{
select->option+=select->step;
if(select->option >= select->max_value)
select->option=select->min_value;
}
void gui_select_prev(struct gui_select * select)
{
select->option-=select->step;
if(select->option < select->min_value)
select->option=select->max_value-1;
}
void gui_select_draw(struct gui_select * select, struct screen * display)
{
#ifdef HAVE_LCD_BITMAP
screen_set_xmargin(display, 0);
#endif
gui_textarea_clear(display);
display->puts_scroll(0, 0, select->title);
if(gui_select_is_canceled(select))
display->puts_scroll(0, 0, str(LANG_MENU_SETTING_CANCEL));
if(select->items)
display->puts_scroll(0, 1, P2STR(select->items[select->option].string));
else
{
char buffer[30];
if(!select->formatter)
snprintf(buffer, sizeof buffer,"%d %s", select->option, select->extra_string);
else
select->formatter(buffer, sizeof buffer, select->option, select->extra_string);
display->puts_scroll(0, 1, buffer);
}
gui_textarea_update(display);
}
void gui_syncselect_draw(struct gui_select * select)
{
int i;
for(i=0;i<NB_SCREENS;i++)
gui_select_draw(select, &(screens[i]));
}
bool gui_syncselect_do_button(struct gui_select * select, int button)
{
bool moved=false;
switch(button)
{
case SELECT_INC :
case SELECT_INC | BUTTON_REPEAT :
gui_select_next(select);
moved=true;
break;
case SELECT_DEC :
case SELECT_DEC | BUTTON_REPEAT :
gui_select_prev(select);
moved=true;
break;
case SELECT_OK :
#ifdef SELECT_OK2
case SELECT_OK2 :
#endif
gui_select_validate(select);
break;
case SELECT_CANCEL :
case SELECT_CANCEL2 :
gui_select_cancel(select);
gui_syncselect_draw(select);
sleep(HZ/2);
break;
}
return(moved);
}