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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) Daniel Stenberg (2002)
*
* 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 "stdarg.h"
#include "string.h"
#include "rbunicode.h"
#include "stdio.h"
#include "kernel.h"
#include "screen_access.h"
#include "lang.h"
#include "settings.h"
#include "talk.h"
#include "splash.h"
#include "viewport.h"
#ifdef HAVE_LCD_BITMAP
#define MAXLINES (LCD_HEIGHT/6)
#define MAXBUFFER 512
#define RECT_SPACING 2
#else /* HAVE_LCD_CHARCELLS */
#define MAXLINES 2
#define MAXBUFFER 64
#define RECT_SPACING 0
#endif
static void splash_internal(struct screen * screen, const char *fmt, va_list ap)
{
char splash_buf[MAXBUFFER];
char *lines[MAXLINES];
char *next;
char *lastbreak = NULL;
char *store = NULL;
int line = 0;
int x = 0;
int y, i;
int space_w, w, h;
#ifdef HAVE_LCD_BITMAP
struct viewport vp;
int maxw = 0;
viewport_set_defaults(&vp, screen->screen_type);
screen->set_viewport(&vp);
screen->getstringsize(" ", &space_w, &h);
#else /* HAVE_LCD_CHARCELLS */
space_w = h = 1;
screen->double_height (false);
#endif
y = h;
vsnprintf(splash_buf, sizeof(splash_buf), fmt, ap);
va_end(ap);
/* break splash string into display lines, doing proper word wrap */
next = strtok_r(splash_buf, " ", &store);
if (!next)
goto end; /* nothing to display */
lines[0] = next;
while (true)
{
#ifdef HAVE_LCD_BITMAP
screen->getstringsize(next, &w, NULL);
#else
w = utf8length(next);
#endif
if (lastbreak)
{
if (x + (next - lastbreak) * space_w + w
> screen->lcdwidth - RECT_SPACING*2)
{ /* too wide, wrap */
#ifdef HAVE_LCD_BITMAP
if (x > maxw)
maxw = x;
#endif
if ((y + h > screen->lcdheight) || (line >= (MAXLINES-1)))
break; /* screen full or out of lines */
x = 0;
y += h;
lines[++line] = next;
}
else
{
/* restore & calculate spacing */
*lastbreak = ' ';
x += (next - lastbreak) * space_w;
}
}
x += w;
lastbreak = next + strlen(next);
next = strtok_r(NULL, " ", &store);
if (!next)
{ /* no more words */
#ifdef HAVE_LCD_BITMAP
if (x > maxw)
maxw = x;
#endif
break;
}
}
/* prepare viewport
* First boundaries, then the grey filling, then the black border and finally
* the text*/
screen->stop_scroll();
#ifdef HAVE_LCD_BITMAP
/* If we center the display, then just clear the box we need and put
a nice little frame and put the text in there! */
vp.y = (screen->lcdheight - y) / 2 - RECT_SPACING; /* height => y start position */
vp.x = (screen->lcdwidth - maxw) / 2 - RECT_SPACING;
vp.width = maxw + 2*RECT_SPACING;
vp.height = screen->lcdheight - (vp.y*2) + RECT_SPACING;
if (vp.y < 0)
vp.y = 0;
if (vp.x < 0)
vp.x = 0;
if (vp.width > screen->lcdwidth)
vp.width = screen->lcdwidth;
if (vp.height > screen->lcdheight)
vp.height = screen->lcdheight;
vp.flags |= VP_FLAG_ALIGN_CENTER;
#if LCD_DEPTH > 1
if (screen->depth > 1)
{
vp.drawmode = DRMODE_FG;
/* can't do vp.fg_pattern here, since set_foreground does a bit more on
* greyscale */
screen->set_foreground(SCREEN_COLOR_TO_NATIVE(screen, LCD_LIGHTGRAY));
}
else
#endif
vp.drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
screen->fillrect(0, 0, vp.width, vp.height);
#if LCD_DEPTH > 1
if (screen->depth > 1)
/* can't do vp.fg_pattern here, since set_foreground does a bit more on
* greyscale */
screen->set_foreground(SCREEN_COLOR_TO_NATIVE(screen, LCD_BLACK));
else
#endif
vp.drawmode = DRMODE_SOLID;
screen->drawrect(0, 0, vp.width, vp.height);
/* prepare putting the text */
y = RECT_SPACING;
#else /* HAVE_LCD_CHARCELLS */
y = 0; /* vertical centering on 2 lines would be silly */
screen->clear_display();
#endif
/* print the message to screen */
for (i = 0; i <= line; i++, y+=h)
{
#ifdef HAVE_LCD_BITMAP
screen->putsxy(0, y, lines[i]);
#else
screen->puts(0, y, lines[i]);
#endif
}
screen->update_viewport();
end:
screen->set_viewport(NULL);
}
void splashf(int ticks, const char *fmt, ...)
{
va_list ap;
int i;
/* If fmt is a lang ID then get the corresponding string (which
still might contain % place holders). */
fmt = P2STR((unsigned char *)fmt);
FOR_NB_SCREENS(i)
{
va_start(ap, fmt);
splash_internal(&(screens[i]), fmt, ap);
va_end(ap);
}
if (ticks)
sleep(ticks);
}
void splash(int ticks, const char *str)
{
#if !defined(SIMULATOR) || CONFIG_CODEC == SWCODEC
long id;
/* fmt may be a so called virtual pointer. See settings.h. */
if((id = P2ID((const unsigned char*)str)) >= 0)
/* If fmt specifies a voicefont ID, and voice menus are
enabled, then speak it. */
cond_talk_ids_fq(id);
#endif
splashf(ticks, "%s", P2STR((const unsigned char*)str));
}
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