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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"
#include "strptokspn_r.h"
#include "scrollbar.h"
#include "font.h"
static long progress_next_tick = 0;
#define MAXLINES (LCD_HEIGHT/6)
#define MAXBUFFER 512
#define RECT_SPACING 2
#define SPLASH_MEMORY_INTERVAL (HZ)
static bool splash_internal(struct screen * screen, const char *fmt, va_list ap,
struct viewport *vp, int addl_lines)
{
char splash_buf[MAXBUFFER];
struct splash_lines {
const char *str;
size_t len;
} lines[MAXLINES];
const char *next;
const char *lastbreak = NULL;
const char *store = NULL;
int line = 0;
int x = 0;
int y, i;
int space_w, w, chr_h;
int width, height;
int maxw = 0;
int fontnum = vp->font;
char lastbrkchr;
size_t len, next_len;
const char matchstr[] = "\r\n\f\v\t ";
font_getstringsize(" ", &space_w, &chr_h, fontnum);
y = chr_h + (addl_lines * chr_h);
vsnprintf(splash_buf, sizeof(splash_buf), fmt, ap);
va_end(ap);
/* break splash string into display lines, doing proper word wrap */
next = strptokspn_r(splash_buf, matchstr, &next_len, &store);
if (!next)
return false; /* nothing to display */
lines[line].len = next_len;
lines[line].str = next;
while (true)
{
w = font_getstringnsize(next, next_len, NULL, NULL, fontnum);
if (lastbreak)
{
len = next - lastbreak;
int next_w = len * space_w;
if (x + next_w + w > vp->width - RECT_SPACING*2 || lastbrkchr != ' ')
{ /* too wide, or control character wrap */
if (x > maxw)
maxw = x;
if ((y + chr_h * 2 > vp->height) || (line >= (MAXLINES-1)))
break; /* screen full or out of lines */
x = 0;
y += chr_h;
lines[++line].len = next_len;
lines[line].str = next;
}
else
{
/* restore & calculate spacing */
lines[line].len += next_len + 1;
x += next_w;
}
}
x += w;
lastbreak = next + next_len;
lastbrkchr = *lastbreak;
next = strptokspn_r(NULL, matchstr, &next_len, &store);
if (!next)
{ /* no more words */
if (x > maxw)
maxw = x;
break;
}
}
/* prepare viewport
* First boundaries, then the grey filling, then the black border and finally
* the text*/
screen->scroll_stop();
width = maxw + 2*RECT_SPACING;
height = y + 2*RECT_SPACING;
if (width > vp->width)
width = vp->width;
if (height > vp->height)
height = vp->height;
vp->x += (vp->width - width) / 2;
vp->y += (vp->height - height) / 2;
vp->width = width;
vp->height = height;
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->fill_viewport();
#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->draw_border_viewport();
/* print the message to screen */
for(i = 0, y = RECT_SPACING; i <= line; i++, y+= chr_h)
{
screen->putsxyf(0, y, "%.*s", lines[i].len, lines[i].str);
}
return true; /* needs update */
}
void splashf(int ticks, const char *fmt, ...)
{
va_list ap;
/* 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)
{
struct screen * screen = &(screens[i]);
struct viewport vp;
viewport_set_defaults(&vp, screen->screen_type);
struct viewport *last_vp = screen->set_viewport(&vp);
va_start(ap, fmt);
if (splash_internal(screen, fmt, ap, &vp, 0))
screen->update_viewport();
va_end(ap);
screen->set_viewport(last_vp);
}
if (ticks)
sleep(ticks);
}
void splash(int ticks, const char *str)
{
#if !defined(SIMULATOR)
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));
}
/* set delay before progress meter is shown */
void splash_progress_set_delay(long delay_ticks)
{
progress_next_tick = current_tick + delay_ticks;
}
/* splash a progress meter */
void splash_progress(int current, int total, const char *fmt, ...)
{
va_list ap;
int vp_flag = VP_FLAG_VP_DIRTY;
/* progress update tick */
long now = current_tick;
if (current < total)
{
if(TIME_BEFORE(now, progress_next_tick))
return;
/* limit to 20fps */
progress_next_tick = now + HZ/20;
vp_flag = 0; /* don't mark vp dirty to prevent flashing */
}
/* 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)
{
struct screen * screen = &(screens[i]);
struct viewport vp;
viewport_set_defaults(&vp, screen->screen_type);
struct viewport *last_vp = screen->set_viewport_ex(&vp, vp_flag);
va_start(ap, fmt);
if (splash_internal(screen, fmt, ap, &vp, 1))
{
int size = screen->getcharheight();
int x = RECT_SPACING;
int y = vp.height - size - RECT_SPACING;
int w = vp.width - RECT_SPACING * 2;
int h = size;
#ifdef HAVE_LCD_COLOR
const int sb_flags = HORIZONTAL | FOREGROUND;
#else
const int sb_flags = HORIZONTAL;
#endif
gui_scrollbar_draw(screen, x, y, w, h, total, 0, current, sb_flags);
screen->update_viewport();
}
va_end(ap);
screen->set_viewport(last_vp);
}
}
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