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rockbox/apps/gui/skin_engine/skin_parser.c
Thomas Martitz ed99b6eaff Fix FS#12337. Skin viewports' line height was initialized with the UI font height. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30786 a1c6a512-1295-4272-9138-f99709370657
2011-10-18 19:04:45 +00:00

2186 lines
65 KiB
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Nicolas Pennequin, Dan Everton, Matthias Mohr
* 2010 Jonathan Gordon
*
* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "config.h"
#include "core_alloc.h"
#include "file.h"
#include "misc.h"
#include "plugin.h"
#include "viewport.h"
#include "skin_buffer.h"
#include "skin_parser.h"
#include "tag_table.h"
#ifdef __PCTOOL__
#ifdef WPSEDITOR
#include "proxy.h"
#include "sysfont.h"
#else
#include "action.h"
#include "checkwps.h"
#include "audio.h"
#define lang_is_rtl() (false)
#define DEBUGF printf
#endif /*WPSEDITOR*/
#else
#include "debug.h"
#include "language.h"
#endif /*__PCTOOL__*/
#include <ctype.h>
#include <stdbool.h>
#include "font.h"
#include "wps_internals.h"
#include "skin_engine.h"
#include "settings.h"
#include "settings_list.h"
#if CONFIG_TUNER
#include "radio.h"
#include "tuner.h"
#endif
#ifdef HAVE_LCD_BITMAP
#include "bmp.h"
#endif
#ifdef HAVE_ALBUMART
#include "playback.h"
#endif
#include "backdrop.h"
#include "statusbar-skinned.h"
#define WPS_ERROR_INVALID_PARAM -1
#if LCD_HEIGHT > 160
#define SKIN_FONT_SIZE (1024*10)
#else
#define SKIN_FONT_SIZE (1024*3)
#endif
#define GLYPHS_TO_CACHE 256
static bool isdefault(struct skin_tag_parameter *param)
{
return param->type == DEFAULT;
}
/* which screen are we parsing for? */
static enum screen_type curr_screen;
/* the current viewport */
static struct skin_element *curr_viewport_element;
static struct skin_viewport *curr_vp;
static struct line *curr_line;
static int follow_lang_direction = 0;
typedef int (*parse_function)(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data);
#ifdef HAVE_LCD_BITMAP
/* add a skin_token_list item to the list chain. ALWAYS appended because some of the
* chains require the order to be kept.
*/
static void add_to_ll_chain(struct skin_token_list **list, struct skin_token_list *item)
{
if (*list == NULL)
*list = item;
else
{
struct skin_token_list *t = *list;
while (t->next)
t = t->next;
t->next = item;
}
}
#endif
void *skin_find_item(const char *label, enum skin_find_what what,
struct wps_data *data)
{
const char *itemlabel = NULL;
union {
struct skin_token_list *linkedlist;
struct skin_element *vplist;
} list = {NULL};
bool isvplist = false;
void *ret = NULL;
switch (what)
{
case SKIN_FIND_UIVP:
case SKIN_FIND_VP:
list.vplist = data->tree;
isvplist = true;
break;
#ifdef HAVE_LCD_BITMAP
case SKIN_FIND_IMAGE:
list.linkedlist = data->images;
break;
#endif
#ifdef HAVE_TOUCHSCREEN
case SKIN_FIND_TOUCHREGION:
list.linkedlist = data->touchregions;
break;
#endif
#ifdef HAVE_SKIN_VARIABLES
case SKIN_VARIABLE:
list.linkedlist = data->skinvars;
break;
#endif
}
while (list.linkedlist)
{
bool skip = false;
switch (what)
{
case SKIN_FIND_UIVP:
case SKIN_FIND_VP:
ret = list.vplist->data;
itemlabel = ((struct skin_viewport *)ret)->label;
skip = !(((struct skin_viewport *)ret)->is_infovp ==
(what==SKIN_FIND_UIVP));
break;
#ifdef HAVE_LCD_BITMAP
case SKIN_FIND_IMAGE:
ret = list.linkedlist->token->value.data;
itemlabel = ((struct gui_img *)ret)->label;
break;
#endif
#ifdef HAVE_TOUCHSCREEN
case SKIN_FIND_TOUCHREGION:
ret = list.linkedlist->token->value.data;
itemlabel = ((struct touchregion *)ret)->label;
break;
#endif
#ifdef HAVE_SKIN_VARIABLES
case SKIN_VARIABLE:
ret = list.linkedlist->token->value.data;
itemlabel = ((struct skin_var *)ret)->label;
break;
#endif
}
if (!skip && itemlabel && !strcmp(itemlabel, label))
return ret;
if (isvplist)
list.vplist = list.vplist->next;
else
list.linkedlist = list.linkedlist->next;
}
return NULL;
}
#ifdef HAVE_LCD_BITMAP
/* create and init a new wpsll item.
* passing NULL to token will alloc a new one.
* You should only pass NULL for the token when the token type (table above)
* is WPS_NO_TOKEN which means it is not stored automatically in the skins token array
*/
static struct skin_token_list *new_skin_token_list_item(struct wps_token *token,
void* token_data)
{
struct skin_token_list *llitem =
(struct skin_token_list *)skin_buffer_alloc(sizeof(struct skin_token_list));
if (!token)
token = (struct wps_token*)skin_buffer_alloc(sizeof(struct wps_token));
if (!llitem || !token)
return NULL;
llitem->next = NULL;
llitem->token = token;
if (token_data)
llitem->token->value.data = token_data;
return llitem;
}
static int parse_statusbar_tags(struct skin_element* element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)element;
if (token->type == SKIN_TOKEN_DRAW_INBUILTBAR)
{
token->value.data = (void*)&curr_vp->vp;
}
else
{
struct skin_element *def_vp = wps_data->tree;
struct skin_viewport *default_vp = def_vp->data;
if (def_vp->params_count == 0)
{
wps_data->wps_sb_tag = true;
wps_data->show_sb_on_wps = (token->type == SKIN_TOKEN_ENABLE_THEME);
}
if (wps_data->show_sb_on_wps)
{
viewport_set_defaults(&default_vp->vp, curr_screen);
}
else
{
viewport_set_fullscreen(&default_vp->vp, curr_screen);
}
#ifdef HAVE_REMOTE_LCD
/* viewport_set_defaults() sets the font to FONT_UI+curr_screen.
* This parser requires font 1 to always be the UI font,
* so force it back to FONT_UI and handle the screen number at the end */
default_vp->vp.font = FONT_UI;
#endif
}
return 0;
}
static int get_image_id(int c)
{
if(c >= 'a' && c <= 'z')
return c - 'a';
else if(c >= 'A' && c <= 'Z')
return c - 'A' + 26;
else
return -1;
}
char *get_image_filename(const char *start, const char* bmpdir,
char *buf, int buf_size)
{
snprintf(buf, buf_size, "%s/%s", bmpdir, start);
return buf;
}
static int parse_image_display(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
char *label = element->params[0].data.text;
char sublabel = '\0';
int subimage;
struct gui_img *img;
struct image_display *id = skin_buffer_alloc(sizeof(struct image_display));
if (element->params_count == 1 && strlen(label) <= 2)
{
/* backwards compatability. Allow %xd(Aa) to still work */
sublabel = label[1];
label[1] = '\0';
}
/* sanity check */
img = skin_find_item(label, SKIN_FIND_IMAGE, wps_data);
if (!img || !id)
{
return WPS_ERROR_INVALID_PARAM;
}
id->label = label;
id->offset = 0;
id->token = NULL;
if (img->using_preloaded_icons)
{
token->type = SKIN_TOKEN_IMAGE_DISPLAY_LISTICON;
}
if (element->params_count > 1)
{
if (element->params[1].type == CODE)
id->token = element->params[1].data.code->data;
/* specify a number. 1 being the first subimage (i.e top) NOT 0 */
else if (element->params[1].type == INTEGER)
id->subimage = element->params[1].data.number - 1;
if (element->params_count > 2)
id->offset = element->params[2].data.number;
}
else
{
if ((subimage = get_image_id(sublabel)) != -1)
{
if (subimage >= img->num_subimages)
return WPS_ERROR_INVALID_PARAM;
id->subimage = subimage;
} else {
id->subimage = 0;
}
}
token->value.data = id;
return 0;
}
static int parse_image_load(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
const char* filename;
const char* id;
int x,y;
struct gui_img *img;
/* format: %x(n,filename.bmp,x,y)
or %xl(n,filename.bmp,x,y)
or %xl(n,filename.bmp,x,y,num_subimages)
*/
id = element->params[0].data.text;
filename = element->params[1].data.text;
x = element->params[2].data.number;
y = element->params[3].data.number;
/* check the image number and load state */
if(skin_find_item(id, SKIN_FIND_IMAGE, wps_data))
{
/* Invalid image ID */
return WPS_ERROR_INVALID_PARAM;
}
img = (struct gui_img*)skin_buffer_alloc(sizeof(struct gui_img));
if (!img)
return WPS_ERROR_INVALID_PARAM;
/* save a pointer to the filename */
img->bm.data = (char*)filename;
img->label = id;
img->x = x;
img->y = y;
img->num_subimages = 1;
img->always_display = false;
img->display = -1;
img->using_preloaded_icons = false;
img->buflib_handle = -1;
/* save current viewport */
img->vp = &curr_vp->vp;
if (token->type == SKIN_TOKEN_IMAGE_DISPLAY)
{
img->always_display = true;
}
else if (element->params_count == 5)
{
img->num_subimages = element->params[4].data.number;
if (img->num_subimages <= 0)
return WPS_ERROR_INVALID_PARAM;
}
if (!strcmp(img->bm.data, "__list_icons__"))
{
img->num_subimages = Icon_Last_Themeable;
img->using_preloaded_icons = true;
}
struct skin_token_list *item =
(struct skin_token_list *)new_skin_token_list_item(NULL, img);
if (!item)
return WPS_ERROR_INVALID_PARAM;
add_to_ll_chain(&wps_data->images, item);
return 0;
}
struct skin_font {
int id; /* the id from font_load */
char *name; /* filename without path and extension */
int glyphs; /* how many glyphs to reserve room for */
};
static struct skin_font skinfonts[MAXUSERFONTS];
static int parse_font_load(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data; (void)token;
int id = element->params[0].data.number;
char *filename = element->params[1].data.text;
int glyphs;
char *ptr;
if(element->params_count > 2)
glyphs = element->params[2].data.number;
else
glyphs = 0;
if (id < 2)
{
DEBUGF("font id must be >= 2\n");
return 1;
}
#if defined(DEBUG) || defined(SIMULATOR)
if (skinfonts[id-2].name != NULL)
{
DEBUGF("font id %d already being used\n", id);
}
#endif
/* make sure the filename contains .fnt,
* we dont actually use it, but require it anyway */
ptr = strchr(filename, '.');
if (!ptr || strncmp(ptr, ".fnt", 4))
return WPS_ERROR_INVALID_PARAM;
skinfonts[id-2].id = -1;
skinfonts[id-2].name = filename;
skinfonts[id-2].glyphs = glyphs;
return 0;
}
#ifdef HAVE_LCD_BITMAP
static int parse_playlistview(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
struct playlistviewer *viewer =
(struct playlistviewer *)skin_buffer_alloc(sizeof(struct playlistviewer));
if (!viewer)
return WPS_ERROR_INVALID_PARAM;
viewer->vp = &curr_vp->vp;
viewer->show_icons = true;
viewer->start_offset = element->params[0].data.number;
viewer->line = element->params[1].data.code;
token->value.data = (void*)viewer;
return 0;
}
#endif
#ifdef HAVE_LCD_COLOR
static int parse_viewport_gradient_setup(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
struct gradient_config *cfg;
if (element->params_count < 2) /* only start and end are required */
return 1;
cfg = (struct gradient_config *)skin_buffer_alloc(sizeof(struct gradient_config));
if (!cfg)
return 1;
if (!parse_color(curr_screen, element->params[0].data.text, &cfg->start) ||
!parse_color(curr_screen, element->params[1].data.text, &cfg->end))
return 1;
if (element->params_count > 2)
{
if (!parse_color(curr_screen, element->params[2].data.text, &cfg->text))
return 1;
}
else
{
cfg->text = curr_vp->vp.fg_pattern;
}
token->value.data = cfg;
return 0;
}
#endif
static int parse_listitem(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
struct listitem *li = (struct listitem *)skin_buffer_alloc(sizeof(struct listitem));
if (!li)
return 1;
token->value.data = li;
if (element->params_count == 0)
li->offset = 0;
else
{
li->offset = element->params[0].data.number;
if (element->params_count > 1)
li->wrap = strcasecmp(element->params[1].data.text, "nowrap") != 0;
else
li->wrap = true;
}
return 0;
}
static int parse_listitemviewport(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
#ifndef __PCTOOL__
struct listitem_viewport_cfg *cfg =
(struct listitem_viewport_cfg *)skin_buffer_alloc(
sizeof(struct listitem_viewport_cfg));
if (!cfg)
return -1;
cfg->data = wps_data;
cfg->tile = false;
cfg->label = element->params[0].data.text;
cfg->width = -1;
cfg->height = -1;
if (!isdefault(&element->params[1]))
cfg->width = element->params[1].data.number;
if (!isdefault(&element->params[2]))
cfg->height = element->params[2].data.number;
if (element->params_count > 3 &&
!strcmp(element->params[3].data.text, "tile"))
cfg->tile = true;
token->value.data = (void*)cfg;
#endif
return 0;
}
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
static int parse_viewporttextstyle(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
int style;
char *mode = element->params[0].data.text;
unsigned colour;
if (!strcmp(mode, "invert"))
{
style = STYLE_INVERT;
}
else if (!strcmp(mode, "colour") || !strcmp(mode, "color"))
{
if (element->params_count < 2 ||
!parse_color(curr_screen, element->params[1].data.text, &colour))
return 1;
style = STYLE_COLORED|(STYLE_COLOR_MASK&colour);
}
#ifdef HAVE_LCD_COLOR
else if (!strcmp(mode, "gradient"))
{
int num_lines;
if (element->params_count < 2)
num_lines = 1;
else /* atoi() instead of using a number in the parser is because [si]
* will select the number for something which looks like a colour
* making the "colour" case (above) harder to parse */
num_lines = atoi(element->params[1].data.text);
style = STYLE_GRADIENT|NUMLN_PACK(num_lines)|CURLN_PACK(0);
}
#endif
else if (!strcmp(mode, "clear"))
{
style = STYLE_DEFAULT;
}
else
return 1;
token->value.l = style;
return 0;
}
static int parse_viewportcolour(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
struct skin_tag_parameter *param = element->params;
struct viewport_colour *colour =
(struct viewport_colour *)skin_buffer_alloc(sizeof(struct viewport_colour));
if (!colour)
return -1;
if (isdefault(param))
{
colour->colour = get_viewport_default_colour(curr_screen,
token->type == SKIN_TOKEN_VIEWPORT_FGCOLOUR);
}
else
{
if (!parse_color(curr_screen, param->data.text, &colour->colour))
return -1;
}
colour->vp = &curr_vp->vp;
token->value.data = colour;
if (element->line == curr_viewport_element->line)
{
if (token->type == SKIN_TOKEN_VIEWPORT_FGCOLOUR)
{
curr_vp->start_fgcolour = colour->colour;
curr_vp->vp.fg_pattern = colour->colour;
}
else
{
curr_vp->start_bgcolour = colour->colour;
curr_vp->vp.bg_pattern = colour->colour;
}
}
return 0;
}
static int parse_image_special(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data; /* kill warning */
(void)token;
#if LCD_DEPTH > 1
char *filename;
if (token->type == SKIN_TOKEN_IMAGE_BACKDROP)
{
if (isdefault(&element->params[0]))
{
filename = "-";
}
else
{
filename = element->params[0].data.text;
/* format: %X(filename.bmp) or %X(d) */
if (!strcmp(filename, "d"))
filename = NULL;
}
wps_data->backdrop = filename;
}
#endif
return 0;
}
#endif
#endif /* HAVE_LCD_BITMAP */
static int parse_setting_and_lang(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
/* NOTE: both the string validations that happen in here will
* automatically PASS on checkwps because its too hard to get
* settings_list.c and english.lang built for it.
* If that ever changes remove the #ifndef __PCTOOL__'s here
*/
(void)wps_data;
char *temp = element->params[0].data.text;
int i;
if (token->type == SKIN_TOKEN_TRANSLATEDSTRING)
{
#ifndef __PCTOOL__
i = lang_english_to_id(temp);
if (i < 0)
return WPS_ERROR_INVALID_PARAM;
#endif
}
else
{
#ifndef __PCTOOL__
if (find_setting_by_cfgname(temp, &i) == NULL)
return WPS_ERROR_INVALID_PARAM;
#endif
}
/* Store the setting number */
token->value.i = i;
return 0;
}
static int parse_logical_if(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
char *op = element->params[1].data.text;
struct logical_if *lif = skin_buffer_alloc(sizeof(struct logical_if));
if (!lif)
return -1;
token->value.data = lif;
lif->token = element->params[0].data.code->data;
if (!strncmp(op, "=", 1))
lif->op = IF_EQUALS;
else if (!strncmp(op, "!=", 2))
lif->op = IF_NOTEQUALS;
else if (!strncmp(op, ">=", 2))
lif->op = IF_GREATERTHAN_EQ;
else if (!strncmp(op, "<=", 2))
lif->op = IF_LESSTHAN_EQ;
else if (!strncmp(op, ">", 2))
lif->op = IF_GREATERTHAN;
else if (!strncmp(op, "<", 1))
lif->op = IF_LESSTHAN;
memcpy(&lif->operand, &element->params[2], sizeof(lif->operand));
if (element->params_count > 3)
lif->num_options = element->params[3].data.number;
else
lif->num_options = TOKEN_VALUE_ONLY;
return 0;
}
static int parse_timeout_tag(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
int val = 0;
if (element->params_count == 0)
{
switch (token->type)
{
case SKIN_TOKEN_SUBLINE_TIMEOUT:
return -1;
case SKIN_TOKEN_BUTTON_VOLUME:
case SKIN_TOKEN_TRACK_STARTING:
case SKIN_TOKEN_TRACK_ENDING:
val = 10;
break;
default:
break;
}
}
else
val = element->params[0].data.number;
token->value.i = val * TIMEOUT_UNIT;
return 0;
}
static int parse_substring_tag(struct skin_element* element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
struct substring *ss = (struct substring*)skin_buffer_alloc(sizeof(struct substring));
if (!ss)
return 1;
ss->start = element->params[0].data.number;
if (element->params[1].type == DEFAULT)
ss->length = -1;
else
ss->length = element->params[1].data.number;
ss->token = element->params[2].data.code->data;
token->value.data = ss;
return 0;
}
static int parse_progressbar_tag(struct skin_element* element,
struct wps_token *token,
struct wps_data *wps_data)
{
#ifdef HAVE_LCD_BITMAP
struct progressbar *pb;
struct viewport *vp = &curr_vp->vp;
struct skin_tag_parameter *param = element->params;
int curr_param = 0;
char *image_filename = NULL;
if (element->params_count == 0 &&
element->tag->type != SKIN_TOKEN_PROGRESSBAR)
return 0; /* nothing to do */
pb = (struct progressbar*)skin_buffer_alloc(sizeof(struct progressbar));
token->value.data = pb;
if (!pb)
return WPS_ERROR_INVALID_PARAM;
pb->vp = vp;
pb->follow_lang_direction = follow_lang_direction > 0;
pb->nofill = false;
pb->nobar = false;
pb->image = NULL;
pb->slider = NULL;
pb->backdrop = NULL;
pb->invert_fill_direction = false;
pb->horizontal = true;
if (element->params_count == 0)
{
pb->x = 0;
pb->width = vp->width;
pb->height = SYSFONT_HEIGHT-2;
pb->y = -1; /* Will be computed during the rendering */
pb->type = element->tag->type;
return 0;
}
/* (x, y, width, height, ...) */
if (!isdefault(param))
pb->x = param->data.number;
else
pb->x = 0;
param++;
if (!isdefault(param))
pb->y = param->data.number;
else
pb->y = -1; /* computed at rendering */
param++;
if (!isdefault(param))
pb->width = param->data.number;
else
pb->width = vp->width - pb->x;
param++;
if (!isdefault(param))
{
/* A zero height makes no sense - reject it */
if (param->data.number == 0)
return WPS_ERROR_INVALID_PARAM;
pb->height = param->data.number;
}
else
{
if (vp->font > FONT_UI)
pb->height = -1; /* calculate at display time */
else
{
#ifndef __PCTOOL__
pb->height = font_get(vp->font)->height;
#else
pb->height = 8;
#endif
}
}
/* optional params, first is the image filename if it isnt recognised as a keyword */
curr_param = 4;
if (isdefault(&element->params[curr_param]))
{
param++;
curr_param++;
}
pb->horizontal = pb->width > pb->height;
while (curr_param < element->params_count)
{
param++;
if (!strcmp(param->data.text, "invert"))
pb->invert_fill_direction = true;
else if (!strcmp(param->data.text, "nofill"))
pb->nofill = true;
else if (!strcmp(param->data.text, "nobar"))
pb->nobar = true;
else if (!strcmp(param->data.text, "slider"))
{
if (curr_param+1 < element->params_count)
{
curr_param++;
param++;
pb->slider = skin_find_item(param->data.text,
SKIN_FIND_IMAGE, wps_data);
}
else /* option needs the next param */
return -1;
}
else if (!strcmp(param->data.text, "image"))
{
if (curr_param+1 < element->params_count)
{
curr_param++;
param++;
image_filename = param->data.text;
}
else /* option needs the next param */
return -1;
}
else if (!strcmp(param->data.text, "backdrop"))
{
if (curr_param+1 < element->params_count)
{
curr_param++;
param++;
pb->backdrop = skin_find_item(param->data.text,
SKIN_FIND_IMAGE, wps_data);
}
else /* option needs the next param */
return -1;
}
else if (!strcmp(param->data.text, "vertical"))
{
pb->horizontal = false;
if (isdefault(&element->params[3]))
pb->height = vp->height - pb->y;
}
else if (!strcmp(param->data.text, "horizontal"))
pb->horizontal = true;
else if (curr_param == 4)
image_filename = param->data.text;
curr_param++;
}
if (image_filename)
{
pb->image = skin_find_item(image_filename, SKIN_FIND_IMAGE, wps_data);
if (!pb->image) /* load later */
{
struct gui_img* img = (struct gui_img*)skin_buffer_alloc(sizeof(struct gui_img));
if (!img)
return WPS_ERROR_INVALID_PARAM;
/* save a pointer to the filename */
img->bm.data = (char*)image_filename;
img->label = image_filename;
img->x = 0;
img->y = 0;
img->num_subimages = 1;
img->always_display = false;
img->display = -1;
img->using_preloaded_icons = false;
img->buflib_handle = -1;
img->vp = &curr_vp->vp;
struct skin_token_list *item =
(struct skin_token_list *)new_skin_token_list_item(NULL, img);
if (!item)
return WPS_ERROR_INVALID_PARAM;
add_to_ll_chain(&wps_data->images, item);
pb->image = img;
}
}
if (token->type == SKIN_TOKEN_VOLUME)
token->type = SKIN_TOKEN_VOLUMEBAR;
else if (token->type == SKIN_TOKEN_BATTERY_PERCENT)
token->type = SKIN_TOKEN_BATTERY_PERCENTBAR;
else if (token->type == SKIN_TOKEN_TUNER_RSSI)
token->type = SKIN_TOKEN_TUNER_RSSI_BAR;
else if (token->type == SKIN_TOKEN_PEAKMETER_LEFT)
token->type = SKIN_TOKEN_PEAKMETER_LEFTBAR;
else if (token->type == SKIN_TOKEN_PEAKMETER_RIGHT)
token->type = SKIN_TOKEN_PEAKMETER_RIGHTBAR;
else if (token->type == SKIN_TOKEN_LIST_NEEDS_SCROLLBAR)
token->type = SKIN_TOKEN_LIST_SCROLLBAR;
pb->type = token->type;
return 0;
#else
(void)element;
if (token->type == SKIN_TOKEN_PROGRESSBAR ||
token->type == SKIN_TOKEN_PLAYER_PROGRESSBAR)
{
wps_data->full_line_progressbar =
token->type == SKIN_TOKEN_PLAYER_PROGRESSBAR;
}
return 0;
#endif
}
#ifdef HAVE_ALBUMART
static int parse_albumart_load(struct skin_element* element,
struct wps_token *token,
struct wps_data *wps_data)
{
struct dim dimensions;
int albumart_slot;
bool swap_for_rtl = lang_is_rtl() && follow_lang_direction;
struct skin_albumart *aa =
(struct skin_albumart *)skin_buffer_alloc(sizeof(struct skin_albumart));
(void)token; /* silence warning */
if (!aa)
return -1;
/* reset albumart info in wps */
aa->width = -1;
aa->height = -1;
aa->xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
aa->yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
aa->x = element->params[0].data.number;
aa->y = element->params[1].data.number;
aa->width = element->params[2].data.number;
aa->height = element->params[3].data.number;
aa->vp = &curr_vp->vp;
aa->draw_handle = -1;
/* if we got here, we parsed everything ok .. ! */
if (aa->width < 0)
aa->width = 0;
else if (aa->width > LCD_WIDTH)
aa->width = LCD_WIDTH;
if (aa->height < 0)
aa->height = 0;
else if (aa->height > LCD_HEIGHT)
aa->height = LCD_HEIGHT;
if (swap_for_rtl)
aa->x = LCD_WIDTH - (aa->x + aa->width);
aa->state = WPS_ALBUMART_LOAD;
wps_data->albumart = aa;
dimensions.width = aa->width;
dimensions.height = aa->height;
albumart_slot = playback_claim_aa_slot(&dimensions);
if (0 <= albumart_slot)
wps_data->playback_aa_slot = albumart_slot;
if (element->params_count > 4 && !isdefault(&element->params[4]))
{
switch (*element->params[4].data.text)
{
case 'l':
case 'L':
if (swap_for_rtl)
aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
else
aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
break;
case 'c':
case 'C':
aa->xalign = WPS_ALBUMART_ALIGN_CENTER;
break;
case 'r':
case 'R':
if (swap_for_rtl)
aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
else
aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
break;
}
}
if (element->params_count > 5 && !isdefault(&element->params[5]))
{
switch (*element->params[5].data.text)
{
case 't':
case 'T':
aa->yalign = WPS_ALBUMART_ALIGN_TOP;
break;
case 'c':
case 'C':
aa->yalign = WPS_ALBUMART_ALIGN_CENTER;
break;
case 'b':
case 'B':
aa->yalign = WPS_ALBUMART_ALIGN_BOTTOM;
break;
}
}
return 0;
}
#endif /* HAVE_ALBUMART */
#ifdef HAVE_SKIN_VARIABLES
static struct skin_var* find_or_add_var(const char* label,
struct wps_data *data)
{
struct skin_var* ret = skin_find_item(label, SKIN_VARIABLE, data);
if (!ret)
{
ret = (struct skin_var*)skin_buffer_alloc(sizeof(struct skin_var));
if (!ret)
return NULL;
ret->label = label;
ret->value = 1;
ret->last_changed = 0xffff;
struct skin_token_list *item = new_skin_token_list_item(NULL, ret);
if (!item)
return NULL;
add_to_ll_chain(&data->skinvars, item);
}
return ret;
}
static int parse_skinvar( struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
const char* label = element->params[0].data.text;
struct skin_var* var = find_or_add_var(label, wps_data);
if (!var)
return WPS_ERROR_INVALID_PARAM;
switch (token->type)
{
case SKIN_TOKEN_VAR_GETVAL:
token->value.data = var;
break;
case SKIN_TOKEN_VAR_SET:
{
struct skin_var_changer *data =
(struct skin_var_changer*)skin_buffer_alloc(
sizeof(struct skin_var_changer));
if (!data)
return WPS_ERROR_INVALID_PARAM;
data->var = var;
data->newval = element->params[2].data.number;
data->max = 0;
if (!strcmp(element->params[1].data.text, "set"))
data->direct = true;
else if (!strcmp(element->params[1].data.text, "inc"))
{
data->direct = false;
}
else if (!strcmp(element->params[1].data.text, "dec"))
{
data->direct = false;
data->newval *= -1;
}
if (element->params_count > 3)
data->max = element->params[3].data.number;
token->value.data = data;
}
break;
case SKIN_TOKEN_VAR_TIMEOUT:
{
struct skin_var_lastchange *data =
(struct skin_var_lastchange*)skin_buffer_alloc(
sizeof(struct skin_var_lastchange));
if (!data)
return WPS_ERROR_INVALID_PARAM;
data->var = var;
data->timeout = 10;
if (element->params_count > 1)
data->timeout = element->params[1].data.number;
data->timeout *= TIMEOUT_UNIT;
token->value.data = data;
}
break;
default: /* kill the warning */
break;
}
return 0;
}
#endif /* HAVE_SKIN_VARIABLES */
#ifdef HAVE_TOUCHSCREEN
static int parse_lasttouch(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
struct touchregion_lastpress *data =
(struct touchregion_lastpress*)skin_buffer_alloc(
sizeof(struct touchregion_lastpress));
int i;
if (!data)
return WPS_ERROR_INVALID_PARAM;
data->region = NULL;
data->timeout = 10;
for (i=0; i<element->params_count; i++)
{
if (element->params[i].type == STRING)
data->region = skin_find_item(element->params[i].data.text,
SKIN_FIND_TOUCHREGION, wps_data);
else if (element->params[i].type == INTEGER ||
element->params[i].type == DECIMAL)
data->timeout = element->params[i].data.number;
}
data->timeout *= TIMEOUT_UNIT;
token->value.data = data;
return 0;
}
struct touchaction {const char* s; int action;};
static const struct touchaction touchactions[] = {
/* generic actions, convert to screen actions on use */
{"none", ACTION_TOUCHSCREEN}, {"lock", ACTION_TOUCH_SOFTLOCK },
{"prev", ACTION_STD_PREV }, {"next", ACTION_STD_NEXT },
{"rwd", ACTION_STD_PREVREPEAT }, {"ffwd", ACTION_STD_NEXTREPEAT },
{"hotkey", ACTION_STD_HOTKEY}, {"select", ACTION_STD_OK },
{"menu", ACTION_STD_MENU }, {"cancel", ACTION_STD_CANCEL },
{"contextmenu", ACTION_STD_CONTEXT},{"quickscreen", ACTION_STD_QUICKSCREEN },
/* list/tree actions */
{ "resumeplayback", ACTION_TREE_WPS}, /* returns to previous music, WPS/FM */
/* not really WPS specific, but no equivilant ACTION_STD_* */
{"voldown", ACTION_WPS_VOLDOWN}, {"volup", ACTION_WPS_VOLUP},
{"mute", ACTION_TOUCH_MUTE },
/* generic settings changers */
{"setting_inc", ACTION_SETTINGS_INC}, {"setting_dec", ACTION_SETTINGS_DEC},
{"setting_set", ACTION_SETTINGS_SET},
/* WPS specific actions */
{"wps_prev", ACTION_WPS_SKIPPREV }, {"wps_next", ACTION_WPS_SKIPNEXT },
{"browse", ACTION_WPS_BROWSE },
{"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
{"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
{"pitch", ACTION_WPS_PITCHSCREEN}, {"playlist", ACTION_WPS_VIEW_PLAYLIST },
#if CONFIG_TUNER
/* FM screen actions */
/* Also allow browse, play, stop from WPS codes */
{"mode", ACTION_FM_MODE }, {"record", ACTION_FM_RECORD },
{"presets", ACTION_FM_PRESET},
#endif
};
static int touchregion_setup_setting(struct skin_element *element, int param_no,
struct touchregion *region)
{
#ifndef __PCTOOL__
int p = param_no;
char *name = element->params[p++].data.text;
int j;
region->setting_data.setting = find_setting_by_cfgname(name, &j);
if (region->setting_data.setting == NULL)
return WPS_ERROR_INVALID_PARAM;
if (region->action == ACTION_SETTINGS_SET)
{
char* text;
int temp;
struct touchsetting *setting =
&region->setting_data;
if (element->params_count < p+1)
return -1;
text = element->params[p++].data.text;
switch (settings[j].flags&F_T_MASK)
{
case F_T_CUSTOM:
setting->value.text = text;
break;
case F_T_INT:
case F_T_UINT:
if (settings[j].cfg_vals == NULL)
{
setting->value.number = atoi(text);
}
else if (cfg_string_to_int(j, &temp, text))
{
if (settings[j].flags&F_TABLE_SETTING)
setting->value.number =
settings[j].table_setting->values[temp];
else
setting->value.number = temp;
}
else
return -1;
break;
case F_T_BOOL:
if (cfg_string_to_int(j, &temp, text))
{
setting->value.number = temp;
}
else
return -1;
break;
default:
return -1;
}
}
return p-param_no;
#endif /* __PCTOOL__ */
return 0;
}
static int parse_touchregion(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)token;
unsigned i, imax;
int p;
struct touchregion *region = NULL;
const char *action;
const char pb_string[] = "progressbar";
const char vol_string[] = "volume";
/* format: %T([label,], x,y,width,height,action[, ...])
* if action starts with & the area must be held to happen
*/
region = (struct touchregion*)skin_buffer_alloc(sizeof(struct touchregion));
if (!region)
return WPS_ERROR_INVALID_PARAM;
/* should probably do some bounds checking here with the viewport... but later */
region->action = ACTION_NONE;
if (element->params[0].type == STRING)
{
region->label = element->params[0].data.text;
p = 1;
/* "[SI]III[SI]|SS" is the param list. There MUST be 4 numbers
* followed by at least one string. Verify that here */
if (element->params_count < 6 ||
element->params[4].type != INTEGER)
return WPS_ERROR_INVALID_PARAM;
}
else
{
region->label = NULL;
p = 0;
}
region->x = element->params[p++].data.number;
region->y = element->params[p++].data.number;
region->width = element->params[p++].data.number;
region->height = element->params[p++].data.number;
region->wvp = curr_vp;
region->armed = false;
region->reverse_bar = false;
region->value = 0;
region->last_press = 0xffff;
region->press_length = PRESS;
region->allow_while_locked = false;
action = element->params[p++].data.text;
/* figure out the action */
if(!strcmp(pb_string, action))
region->action = ACTION_TOUCH_SCROLLBAR;
else if(!strcmp(vol_string, action))
region->action = ACTION_TOUCH_VOLUME;
else
{
imax = ARRAYLEN(touchactions);
for (i = 0; i < imax; i++)
{
/* try to match with one of our touchregion screens */
if (!strcmp(touchactions[i].s, action))
{
region->action = touchactions[i].action;
if (region->action == ACTION_SETTINGS_INC ||
region->action == ACTION_SETTINGS_DEC ||
region->action == ACTION_SETTINGS_SET)
{
int val;
if (element->params_count < p+1)
return WPS_ERROR_INVALID_PARAM;
val = touchregion_setup_setting(element, p, region);
if (val < 0)
return WPS_ERROR_INVALID_PARAM;
p += val;
}
break;
}
}
if (region->action == ACTION_NONE)
return WPS_ERROR_INVALID_PARAM;
}
while (p < element->params_count)
{
char* param = element->params[p++].data.text;
if (!strcmp(param, "allow_while_locked"))
region->allow_while_locked = true;
else if (!strcmp(param, "reverse_bar"))
region->reverse_bar = true;
else if (!strcmp(param, "repeat_press"))
region->press_length = REPEAT;
else if (!strcmp(param, "long_press"))
region->press_length = LONG_PRESS;
}
struct skin_token_list *item = new_skin_token_list_item(NULL, region);
if (!item)
return WPS_ERROR_INVALID_PARAM;
add_to_ll_chain(&wps_data->touchregions, item);
if (region->action == ACTION_TOUCH_MUTE)
{
region->value = global_settings.volume;
}
return 0;
}
#endif
static bool check_feature_tag(const int type)
{
switch (type)
{
case SKIN_TOKEN_RTC_PRESENT:
#if CONFIG_RTC
return true;
#else
return false;
#endif
case SKIN_TOKEN_HAVE_RECORDING:
#ifdef HAVE_RECORDING
return true;
#else
return false;
#endif
case SKIN_TOKEN_HAVE_TUNER:
#if CONFIG_TUNER
if (radio_hardware_present())
return true;
#endif
return false;
case SKIN_TOKEN_HAVE_TOUCH:
#ifdef HAVE_TOUCHSCREEN
return true;
#else
return false;
#endif
#if CONFIG_TUNER
case SKIN_TOKEN_HAVE_RDS:
#ifdef HAVE_RDS_CAP
return true;
#else
return false;
#endif /* HAVE_RDS_CAP */
#endif /* CONFIG_TUNER */
default: /* not a tag we care about, just don't skip */
return true;
}
}
/* This is used to free any buflib allocations before the rest of
* wps_data is reset.
* The call to this in settings_apply_skins() is the last chance to do
* any core_free()'s before wps_data is trashed and those handles lost
*/
void skin_data_free_buflib_allocs(struct wps_data *wps_data)
{
(void)wps_data;
#ifdef HAVE_LCD_BITMAP
#ifndef __PCTOOL__
struct skin_token_list *list = wps_data->images;
while (list)
{
struct gui_img *img = (struct gui_img*)list->token->value.data;
if (img->buflib_handle > 0)
core_free(img->buflib_handle);
list = list->next;
}
wps_data->images = NULL;
if (wps_data->font_ids != NULL)
{
while (wps_data->font_count > 0)
font_unload(wps_data->font_ids[--wps_data->font_count]);
}
wps_data->font_ids = NULL;
#endif
#endif
}
/*
* initial setup of wps_data; does reset everything
* except fields which need to survive, i.e.
* Also called if the load fails
**/
static void skin_data_reset(struct wps_data *wps_data)
{
skin_data_free_buflib_allocs(wps_data);
#ifdef HAVE_LCD_BITMAP
wps_data->images = NULL;
#endif
wps_data->tree = NULL;
#if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
if (wps_data->backdrop_id >= 0)
skin_backdrop_unload(wps_data->backdrop_id);
wps_data->backdrop = NULL;
#endif
#ifdef HAVE_TOUCHSCREEN
wps_data->touchregions = NULL;
#endif
#ifdef HAVE_SKIN_VARIABLES
wps_data->skinvars = NULL;
#endif
#ifdef HAVE_ALBUMART
wps_data->albumart = NULL;
if (wps_data->playback_aa_slot >= 0)
{
playback_release_aa_slot(wps_data->playback_aa_slot);
wps_data->playback_aa_slot = -1;
}
#endif
#ifdef HAVE_LCD_BITMAP
wps_data->peak_meter_enabled = false;
wps_data->wps_sb_tag = false;
wps_data->show_sb_on_wps = false;
#else /* HAVE_LCD_CHARCELLS */
/* progress bars */
int i;
for (i = 0; i < 8; i++)
{
wps_data->wps_progress_pat[i] = 0;
}
wps_data->full_line_progressbar = false;
#endif
wps_data->wps_loaded = false;
}
#ifdef HAVE_LCD_BITMAP
#ifndef __PCTOOL__
static int currently_loading_handle = -1;
static int buflib_move_callback(int handle, void* current, void* new)
{
(void)current;
(void)new;
if (handle == currently_loading_handle)
return BUFLIB_CB_CANNOT_MOVE;
return BUFLIB_CB_OK;
}
static struct buflib_callbacks buflib_ops = {buflib_move_callback, NULL};
static void lock_handle(int handle)
{
currently_loading_handle = handle;
}
static void unlock_handle(void)
{
currently_loading_handle = -1;
}
#endif
static int load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
{
(void)wps_data; /* only needed for remote targets */
char img_path[MAX_PATH];
int fd;
int handle;
get_image_filename(bitmap->data, bmpdir,
img_path, sizeof(img_path));
/* load the image */
int format;
#ifdef HAVE_REMOTE_LCD
if (curr_screen == SCREEN_REMOTE)
format = FORMAT_ANY|FORMAT_REMOTE;
else
#endif
format = FORMAT_ANY|FORMAT_TRANSPARENT;
fd = open(img_path, O_RDONLY);
if (fd < 0)
{
DEBUGF("Couldn't open %s\n", img_path);
return fd;
}
#ifndef __PCTOOL__
size_t buf_size = read_bmp_fd(fd, bitmap, 0,
format|FORMAT_RETURN_SIZE, NULL);
handle = core_alloc_ex(bitmap->data, buf_size, &buflib_ops);
if (handle < 0)
{
#ifndef APPLICATION
DEBUGF("Not enough skin buffer: need %zd more.\n",
buf_size - skin_buffer_freespace());
#endif
close(fd);
return handle;
}
lseek(fd, 0, SEEK_SET);
lock_handle(handle);
bitmap->data = core_get_data(handle);
int ret = read_bmp_fd(fd, bitmap, buf_size, format, NULL);
bitmap->data = NULL; /* do this to force a crash later if the
caller doesnt call core_get_data() */
unlock_handle();
close(fd);
if (ret > 0)
{
return handle;
}
else
{
/* Abort if we can't load an image */
DEBUGF("Couldn't load '%s'\n", img_path);
core_free(handle);
return -1;
}
#else /* !__PCTOOL__ */
close(fd);
return 1;
#endif
}
static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
{
struct skin_token_list *list;
bool retval = true; /* return false if a single image failed to load */
/* regular images */
list = wps_data->images;
while (list)
{
struct gui_img *img = (struct gui_img*)list->token->value.data;
if (img->bm.data)
{
if (img->using_preloaded_icons)
{
img->loaded = true;
list->token->type = SKIN_TOKEN_IMAGE_DISPLAY_LISTICON;
}
else
{
img->buflib_handle = load_skin_bmp(wps_data, &img->bm, bmpdir);
img->loaded = img->buflib_handle >= 0;
if (img->loaded)
img->subimage_height = img->bm.height / img->num_subimages;
else
retval = false;
}
}
list = list->next;
}
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
wps_data->backdrop_id = skin_backdrop_assign(wps_data->backdrop, bmpdir, curr_screen);
#endif /* has backdrop support */
return retval;
}
static bool skin_load_fonts(struct wps_data *data)
{
/* don't spit out after the first failue to aid debugging */
int id_array[MAXUSERFONTS];
int font_count = 0;
bool success = true;
struct skin_element *vp_list;
int font_id;
/* walk though each viewport and assign its font */
for(vp_list = data->tree; vp_list; vp_list = vp_list->next)
{
/* first, find the viewports that have a non-sys/ui-font font */
struct skin_viewport *skin_vp =
(struct skin_viewport*)vp_list->data;
struct viewport *vp = &skin_vp->vp;
font_id = skin_vp->parsed_fontid;
if (font_id == 1)
{ /* the usual case -> built-in fonts */
vp->font = global_status.font_id[curr_screen];
continue;
}
else if (font_id <= 0)
{
vp->font = FONT_SYSFIXED;
continue;
}
/* now find the corresponding skin_font */
struct skin_font *font = &skinfonts[font_id-2];
if (!font->name)
{
if (success)
{
DEBUGF("font %d not specified\n", font_id);
}
success = false;
continue;
}
/* load the font - will handle loading the same font again if
* multiple viewports use the same */
if (font->id < 0)
{
char path[MAX_PATH];
snprintf(path, sizeof path, FONT_DIR "/%s", font->name);
#ifndef __PCTOOL__
if (skinfonts[font_id-2].glyphs > 0)
{
font->id = font_load_ex(path,
font_glyphs_to_bufsize(path, skinfonts[font_id-2].glyphs));
}
else
#endif
font->id = font_load(path);
//printf("[%d] %s -> %d\n",font_id, font->name, font->id);
id_array[font_count++] = font->id;
}
if (font->id < 0)
{
DEBUGF("Unable to load font %d: '%s.fnt'\n",
font_id, font->name);
font->name = NULL; /* to stop trying to load it again if we fail */
success = false;
continue;
}
/* finally, assign the font_id to the viewport */
vp->font = font->id;
vp->line_height = font_get(vp->font)->height;
}
data->font_ids = skin_buffer_alloc(font_count * sizeof(int));
if (!success || data->font_ids == NULL)
{
while (font_count > 0)
{
if(id_array[--font_count] != -1)
font_unload(id_array[font_count]);
}
data->font_ids = NULL;
return false;
}
memcpy(data->font_ids, id_array, sizeof(int)*font_count);
data->font_count = font_count;
return success;
}
#endif /* HAVE_LCD_BITMAP */
static int convert_viewport(struct wps_data *data, struct skin_element* element)
{
struct skin_viewport *skin_vp =
(struct skin_viewport *)skin_buffer_alloc(sizeof(struct skin_viewport));
struct screen *display = &screens[curr_screen];
if (!skin_vp)
return CALLBACK_ERROR;
skin_vp->hidden_flags = 0;
skin_vp->label = NULL;
skin_vp->is_infovp = false;
skin_vp->parsed_fontid = 1;
element->data = skin_vp;
curr_vp = skin_vp;
curr_viewport_element = element;
viewport_set_defaults(&skin_vp->vp, curr_screen);
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
skin_vp->start_fgcolour = skin_vp->vp.fg_pattern;
skin_vp->start_bgcolour = skin_vp->vp.bg_pattern;
#endif
#ifdef HAVE_LCD_COLOR
skin_vp->start_gradient.start = skin_vp->vp.lss_pattern;
skin_vp->start_gradient.end = skin_vp->vp.lse_pattern;
skin_vp->start_gradient.text = skin_vp->vp.lst_pattern;
#endif
struct skin_tag_parameter *param = element->params;
if (element->params_count == 0) /* default viewport */
{
if (!data->tree) /* first viewport in the skin */
data->tree = element;
skin_vp->label = VP_DEFAULT_LABEL;
return CALLBACK_OK;
}
if (element->params_count == 6)
{
if (element->tag->type == SKIN_TOKEN_UIVIEWPORT_LOAD)
{
skin_vp->is_infovp = true;
if (isdefault(param))
{
skin_vp->hidden_flags = VP_NEVER_VISIBLE;
skin_vp->label = VP_DEFAULT_LABEL;
}
else
{
skin_vp->hidden_flags = VP_NEVER_VISIBLE;
skin_vp->label = param->data.text;
}
}
else
{
skin_vp->hidden_flags = VP_DRAW_HIDEABLE|VP_DRAW_HIDDEN;
skin_vp->label = param->data.text;
}
param++;
}
/* x */
if (!isdefault(param))
{
skin_vp->vp.x = param->data.number;
if (param->data.number < 0)
skin_vp->vp.x += display->lcdwidth;
}
param++;
/* y */
if (!isdefault(param))
{
skin_vp->vp.y = param->data.number;
if (param->data.number < 0)
skin_vp->vp.y += display->lcdheight;
}
param++;
/* width */
if (!isdefault(param))
{
skin_vp->vp.width = param->data.number;
if (param->data.number < 0)
skin_vp->vp.width = (skin_vp->vp.width + display->lcdwidth) - skin_vp->vp.x;
}
else
{
skin_vp->vp.width = display->lcdwidth - skin_vp->vp.x;
}
param++;
/* height */
if (!isdefault(param))
{
skin_vp->vp.height = param->data.number;
if (param->data.number < 0)
skin_vp->vp.height = (skin_vp->vp.height + display->lcdheight) - skin_vp->vp.y;
}
else
{
skin_vp->vp.height = display->lcdheight - skin_vp->vp.y;
}
param++;
#ifdef HAVE_LCD_BITMAP
/* font */
if (!isdefault(param))
skin_vp->parsed_fontid = param->data.number;
#endif
if ((unsigned) skin_vp->vp.x >= (unsigned) display->lcdwidth ||
skin_vp->vp.width + skin_vp->vp.x > display->lcdwidth ||
(unsigned) skin_vp->vp.y >= (unsigned) display->lcdheight ||
skin_vp->vp.height + skin_vp->vp.y > display->lcdheight)
return CALLBACK_ERROR;
return CALLBACK_OK;
}
static int skin_element_callback(struct skin_element* element, void* data)
{
struct wps_data *wps_data = (struct wps_data *)data;
struct wps_token *token;
parse_function function = NULL;
switch (element->type)
{
/* IMPORTANT: element params are shared, so copy them if needed
* or use then NOW, dont presume they have a long lifespan
*/
case TAG:
{
token = (struct wps_token*)skin_buffer_alloc(sizeof(struct wps_token));
memset(token, 0, sizeof(*token));
token->type = element->tag->type;
if (element->tag->flags&SKIN_RTC_REFRESH)
{
#if CONFIG_RTC
curr_line->update_mode |= SKIN_REFRESH_DYNAMIC;
#else
curr_line->update_mode |= SKIN_REFRESH_STATIC;
#endif
}
else
curr_line->update_mode |= element->tag->flags&SKIN_REFRESH_ALL;
element->data = token;
/* Some tags need special handling for the tag, so add them here */
switch (token->type)
{
case SKIN_TOKEN_ALIGN_LANGDIRECTION:
follow_lang_direction = 2;
break;
case SKIN_TOKEN_LOGICAL_IF:
function = parse_logical_if;
break;
case SKIN_TOKEN_SUBSTRING:
function = parse_substring_tag;
break;
case SKIN_TOKEN_PROGRESSBAR:
case SKIN_TOKEN_VOLUME:
case SKIN_TOKEN_BATTERY_PERCENT:
case SKIN_TOKEN_PLAYER_PROGRESSBAR:
case SKIN_TOKEN_PEAKMETER_LEFT:
case SKIN_TOKEN_PEAKMETER_RIGHT:
case SKIN_TOKEN_LIST_NEEDS_SCROLLBAR:
#ifdef HAVE_RADIO_RSSI
case SKIN_TOKEN_TUNER_RSSI:
#endif
function = parse_progressbar_tag;
break;
case SKIN_TOKEN_SUBLINE_TIMEOUT:
case SKIN_TOKEN_BUTTON_VOLUME:
case SKIN_TOKEN_TRACK_STARTING:
case SKIN_TOKEN_TRACK_ENDING:
function = parse_timeout_tag;
break;
#ifdef HAVE_LCD_BITMAP
case SKIN_TOKEN_LIST_ITEM_TEXT:
case SKIN_TOKEN_LIST_ITEM_ICON:
function = parse_listitem;
break;
case SKIN_TOKEN_DISABLE_THEME:
case SKIN_TOKEN_ENABLE_THEME:
case SKIN_TOKEN_DRAW_INBUILTBAR:
function = parse_statusbar_tags;
break;
case SKIN_TOKEN_LIST_TITLE_TEXT:
#ifndef __PCTOOL__
sb_skin_has_title(curr_screen);
#endif
break;
#endif
case SKIN_TOKEN_FILE_DIRECTORY:
token->value.i = element->params[0].data.number;
break;
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
case SKIN_TOKEN_VIEWPORT_FGCOLOUR:
case SKIN_TOKEN_VIEWPORT_BGCOLOUR:
function = parse_viewportcolour;
break;
case SKIN_TOKEN_IMAGE_BACKDROP:
function = parse_image_special;
break;
case SKIN_TOKEN_VIEWPORT_TEXTSTYLE:
function = parse_viewporttextstyle;
break;
#endif
#ifdef HAVE_LCD_COLOR
case SKIN_TOKEN_VIEWPORT_GRADIENT_SETUP:
function = parse_viewport_gradient_setup;
break;
#endif
case SKIN_TOKEN_TRANSLATEDSTRING:
case SKIN_TOKEN_SETTING:
function = parse_setting_and_lang;
break;
#ifdef HAVE_LCD_BITMAP
case SKIN_TOKEN_VIEWPORT_CUSTOMLIST:
function = parse_playlistview;
break;
case SKIN_TOKEN_LOAD_FONT:
function = parse_font_load;
break;
case SKIN_TOKEN_VIEWPORT_ENABLE:
case SKIN_TOKEN_UIVIEWPORT_ENABLE:
token->value.data = element->params[0].data.text;
break;
case SKIN_TOKEN_IMAGE_PRELOAD_DISPLAY:
function = parse_image_display;
break;
case SKIN_TOKEN_IMAGE_PRELOAD:
case SKIN_TOKEN_IMAGE_DISPLAY:
function = parse_image_load;
break;
case SKIN_TOKEN_LIST_ITEM_CFG:
function = parse_listitemviewport;
break;
#endif
#ifdef HAVE_TOUCHSCREEN
case SKIN_TOKEN_TOUCHREGION:
function = parse_touchregion;
break;
case SKIN_TOKEN_LASTTOUCH:
function = parse_lasttouch;
break;
#endif
#ifdef HAVE_ALBUMART
case SKIN_TOKEN_ALBUMART_DISPLAY:
if (wps_data->albumart)
wps_data->albumart->vp = &curr_vp->vp;
break;
case SKIN_TOKEN_ALBUMART_LOAD:
function = parse_albumart_load;
break;
#endif
#ifdef HAVE_SKIN_VARIABLES
case SKIN_TOKEN_VAR_SET:
case SKIN_TOKEN_VAR_GETVAL:
case SKIN_TOKEN_VAR_TIMEOUT:
function = parse_skinvar;
break;
#endif
default:
break;
}
if (function)
{
if (function(element, token, wps_data) < 0)
return CALLBACK_ERROR;
}
/* tags that start with 'F', 'I' or 'D' are for the next file */
if ( *(element->tag->name) == 'I' || *(element->tag->name) == 'F' ||
*(element->tag->name) == 'D')
token->next = true;
if (follow_lang_direction > 0 )
follow_lang_direction--;
break;
}
case VIEWPORT:
return convert_viewport(wps_data, element);
case LINE:
{
struct line *line =
(struct line *)skin_buffer_alloc(sizeof(struct line));
line->update_mode = SKIN_REFRESH_STATIC;
curr_line = line;
element->data = line;
}
break;
case LINE_ALTERNATOR:
{
struct line_alternator *alternator =
(struct line_alternator *)skin_buffer_alloc(sizeof(struct line_alternator));
alternator->current_line = 0;
#ifndef __PCTOOL__
alternator->next_change_tick = current_tick;
#endif
element->data = alternator;
}
break;
case CONDITIONAL:
{
struct conditional *conditional =
(struct conditional *)skin_buffer_alloc(sizeof(struct conditional));
conditional->last_value = -1;
conditional->token = element->data;
element->data = conditional;
if (!check_feature_tag(element->tag->type))
{
return FEATURE_NOT_AVAILABLE;
}
return CALLBACK_OK;
}
case TEXT:
curr_line->update_mode |= SKIN_REFRESH_STATIC;
break;
default:
break;
}
return CALLBACK_OK;
}
/* to setup up the wps-data from a format-buffer (isfile = false)
from a (wps-)file (isfile = true)*/
bool skin_data_load(enum screen_type screen, struct wps_data *wps_data,
const char *buf, bool isfile)
{
char *wps_buffer = NULL;
if (!wps_data || !buf)
return false;
#ifdef HAVE_ALBUMART
int status;
struct mp3entry *curtrack;
long offset;
struct skin_albumart old_aa = {.state = WPS_ALBUMART_NONE};
if (wps_data->albumart)
{
old_aa.state = wps_data->albumart->state;
old_aa.height = wps_data->albumart->height;
old_aa.width = wps_data->albumart->width;
}
#endif
#ifdef HAVE_LCD_BITMAP
int i;
for (i=0;i<MAXUSERFONTS;i++)
{
skinfonts[i].id = -1;
skinfonts[i].name = NULL;
}
#endif
#ifdef DEBUG_SKIN_ENGINE
if (isfile && debug_wps)
{
DEBUGF("\n=====================\nLoading '%s'\n=====================\n", buf);
}
#endif
skin_data_reset(wps_data);
wps_data->wps_loaded = false;
curr_screen = screen;
curr_line = NULL;
curr_vp = NULL;
curr_viewport_element = NULL;
if (isfile)
{
int fd = open_utf8(buf, O_RDONLY);
if (fd < 0)
return false;
/* get buffer space from the plugin buffer */
size_t buffersize = 0;
wps_buffer = (char *)plugin_get_buffer(&buffersize);
if (!wps_buffer)
return false;
/* copy the file's content to the buffer for parsing,
ensuring that every line ends with a newline char. */
unsigned int start = 0;
while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
{
start += strlen(wps_buffer + start);
if (start < buffersize - 1)
{
wps_buffer[start++] = '\n';
wps_buffer[start] = 0;
}
}
close(fd);
if (start <= 0)
return false;
}
else
{
wps_buffer = (char*)buf;
}
#if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
wps_data->backdrop = "-";
wps_data->backdrop_id = -1;
#endif
/* parse the skin source */
#ifndef APPLICATION
skin_buffer_save_position();
#endif
wps_data->tree = skin_parse(wps_buffer, skin_element_callback, wps_data);
if (!wps_data->tree) {
skin_data_reset(wps_data);
#ifndef APPLICATION
skin_buffer_restore_position();
#endif
return false;
}
#ifdef HAVE_LCD_BITMAP
char bmpdir[MAX_PATH];
if (isfile)
{
/* get the bitmap dir */
char *dot = strrchr(buf, '.');
strlcpy(bmpdir, buf, dot - buf + 1);
}
else
{
snprintf(bmpdir, MAX_PATH, "%s", BACKDROP_DIR);
}
/* load the bitmaps that were found by the parsing */
if (!load_skin_bitmaps(wps_data, bmpdir) ||
!skin_load_fonts(wps_data))
{
skin_data_reset(wps_data);
#ifndef APPLICATION
skin_buffer_restore_position();
#endif
return false;
}
#endif
#if defined(HAVE_ALBUMART) && !defined(__PCTOOL__)
status = audio_status();
if (status & AUDIO_STATUS_PLAY)
{
struct skin_albumart *aa = wps_data->albumart;
if (aa && ((aa->state && !old_aa.state) ||
(aa->state &&
(((old_aa.height != aa->height) ||
(old_aa.width != aa->width))))))
{
curtrack = audio_current_track();
offset = curtrack->offset;
audio_stop();
if (!(status & AUDIO_STATUS_PAUSE))
audio_play(offset);
}
}
#endif
wps_data->wps_loaded = true;
#ifdef DEBUG_SKIN_ENGINE
// if (isfile && debug_wps)
// debug_skin_usage();
#endif
return true;
}
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