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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Kevin Ferrare
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "yesno.h"
#include "system.h"
#include "kernel.h"
#include "misc.h"
#include "lang.h"
#include "action.h"
#include "talk.h"
#include "settings.h"
#include "viewport.h"
struct gui_yesno
{
const struct text_message * main_message;
const struct text_message * result_message[2];
struct viewport *vp;
struct screen * display;
};
static void talk_text_message(const struct text_message * message, bool enqueue)
{
int line;
if(message)
{
for(line=0; line<message->nb_lines; line++)
{
long id = P2ID((unsigned char *)message->message_lines[line]);
if(id>=0)
{
talk_id(id, enqueue);
enqueue = true;
}
}
}
}
static int put_message(struct screen *display,
const struct text_message * message,
int start, int max_y)
{
int i;
for(i=0; i<message->nb_lines && i+start<max_y; i++)
{
display->puts_scroll(0, i+start,
P2STR((unsigned char *)message->message_lines[i]));
}
return i;
}
/*
* Draws the yesno
* - yn : the yesno structure
*/
static void gui_yesno_draw(struct gui_yesno * yn)
{
struct screen * display=yn->display;
struct viewport *vp = yn->vp;
int nb_lines, vp_lines, line_shift=0;
display->set_viewport(vp);
display->clear_viewport();
nb_lines = yn->main_message->nb_lines;
vp_lines = viewport_get_nb_lines(vp);
if(nb_lines+3< vp_lines)
line_shift=1;
line_shift += put_message(display, yn->main_message,
line_shift, vp_lines);
/* Space remaining for yes / no text ? */
if(line_shift+2 <= vp_lines)
{
if(line_shift+3 <= vp_lines)
line_shift++;
display->puts(0, line_shift, str(LANG_CONFIRM_WITH_BUTTON));
#ifdef HAVE_LCD_BITMAP
display->puts(0, line_shift+1, str(LANG_CANCEL_WITH_ANY));
#endif
}
display->update_viewport();
display->set_viewport(NULL);
}
/*
* Draws the yesno result
* - yn : the yesno structure
* - result : the result tha must be displayed :
* YESNO_NO if no
* YESNO_YES if yes
*/
static bool gui_yesno_draw_result(struct gui_yesno * yn, enum yesno_res result)
{
const struct text_message * message=yn->result_message[result];
struct viewport *vp = yn->vp;
struct screen * display=yn->display;
if(message==NULL)
return false;
display->set_viewport(vp);
display->clear_viewport();
put_message(yn->display, message, 0, viewport_get_nb_lines(vp));
display->update_viewport();
display->set_viewport(NULL);
return(true);
}
enum yesno_res gui_syncyesno_run(const struct text_message * main_message,
const struct text_message * yes_message,
const struct text_message * no_message)
{
int i;
int button;
int result=-1;
bool result_displayed;
struct gui_yesno yn[NB_SCREENS];
struct viewport vp[NB_SCREENS];
long talked_tick = 0;
FOR_NB_SCREENS(i)
{
yn[i].main_message=main_message;
yn[i].result_message[YESNO_YES]=yes_message;
yn[i].result_message[YESNO_NO]=no_message;
yn[i].display=&screens[i];
yn[i].vp = &vp[i];
viewport_set_defaults(yn[i].vp, i);
screens[i].stop_scroll();
gui_yesno_draw(&(yn[i]));
}
while (result==-1)
{
/* Repeat the question every 5secs (more or less) */
if (global_settings.talk_menu
&& (talked_tick==0 || TIME_AFTER(current_tick, talked_tick+HZ*5)))
{
talked_tick = current_tick;
talk_text_message(main_message, false);
}
button = get_action(CONTEXT_YESNOSCREEN, HZ*5);
switch (button)
{
case ACTION_YESNO_ACCEPT:
result=YESNO_YES;
break;
case ACTION_NONE:
case SYS_CHARGER_DISCONNECTED:
/* ignore some SYS events that can happen */
continue;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED)
return(YESNO_USB);
result = YESNO_NO;
}
}
FOR_NB_SCREENS(i)
result_displayed=gui_yesno_draw_result(&(yn[i]), result);
if (global_settings.talk_menu)
{
talk_text_message((result == YESNO_YES) ? yes_message
: no_message, false);
talk_force_enqueue_next();
}
if(result_displayed)
sleep(HZ);
FOR_NB_SCREENS(i) /* stop scrolling before getting out */
screens[i].scroll_stop(yn[i].vp);
return(result);
}
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