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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) Daniel Stenberg (2002)
*
* 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 "stdarg.h"
#include "string.h"
#include "rbunicode.h"
#include "stdio.h"
#include "kernel.h"
#include "screen_access.h"
#ifndef MAX
#define MAX(a, b) (((a)>(b))?(a):(b))
#endif
#ifdef HAVE_LCD_BITMAP
#define MAXLINES (LCD_HEIGHT/6)
#define MAXBUFFER 512
#else /* HAVE_LCD_CHARCELLS */
#define MAXLINES 2
#define MAXBUFFER 64
#endif
static void splash(struct screen * screen, const char *fmt, va_list ap)
{
char splash_buf[MAXBUFFER];
short widths[MAXLINES];
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
int maxw = 0;
#if LCD_DEPTH > 1
unsigned prevfg = 0;
#endif
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)
return; /* 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->width)
{ /* too wide, wrap */
widths[line] = x;
#ifdef HAVE_LCD_BITMAP
if (x > maxw)
maxw = x;
#endif
if ((y + h > screen->height) || (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 */
widths[line] = x;
#ifdef HAVE_LCD_BITMAP
if (x > maxw)
maxw = x;
#endif
break;
}
}
/* prepare screen */
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! */
y = (screen->height - y) / 2; /* height => y start position */
x = (screen->width - maxw) / 2 - 2;
#if LCD_DEPTH > 1
if (screen->depth > 1)
{
prevfg = screen->get_foreground();
screen->set_drawmode(DRMODE_FG);
screen->set_foreground(
SCREEN_COLOR_TO_NATIVE(screen, LCD_LIGHTGRAY));
}
else
#endif
screen->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
screen->fillrect(x, y-2, maxw+4, screen->height-y*2+4);
#if LCD_DEPTH > 1
if (screen->depth > 1)
screen->set_foreground(SCREEN_COLOR_TO_NATIVE(screen, LCD_BLACK));
else
#endif
screen->set_drawmode(DRMODE_SOLID);
screen->drawrect(x, y-2, maxw+4, screen->height-y*2+4);
#else /* HAVE_LCD_CHARCELLS */
y = 0; /* vertical centering on 2 lines would be silly */
x = 0;
screen->clear_display();
#endif
/* print the message to screen */
for (i = 0; i <= line; i++)
{
x = MAX((screen->width - widths[i]) / 2, 0);
#ifdef HAVE_LCD_BITMAP
screen->putsxy(x, y, lines[i]);
#else
screen->puts(x, y, lines[i]);
#endif
y += h;
}
#if defined(HAVE_LCD_BITMAP) && (LCD_DEPTH > 1)
if (screen->depth > 1)
{
screen->set_foreground(prevfg);
screen->set_drawmode(DRMODE_SOLID);
}
#endif
screen->update();
}
void gui_splash(struct screen * screen, int ticks,
const unsigned char *fmt, ...)
{
va_list ap;
va_start( ap, fmt );
splash(screen, fmt, ap);
va_end( ap );
if(ticks)
sleep(ticks);
}
void gui_syncsplash(int ticks, const unsigned char *fmt, ...)
{
va_list ap;
int i;
va_start( ap, fmt );
FOR_NB_SCREENS(i)
splash(&(screens[i]), fmt, ap);
va_end( ap );
if(ticks)
sleep(ticks);
}
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