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[Feature] Skin engine Themes grab text from a file %ft(file, line) WIP

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allow the skin engine to read text files and return a particular line

you then can use ss on that string to allow display of strings from the file
(Playername comes to mind)

able to be used as conditional
%?ft(filename)<Found|Not Found>

if (selected) line of file is empty the tag is treated as #COMMENT

scroll timeouts now persist thru trackchange

bugfix:
%t(n)%?x<text|text>
would ignore the specified timeout defaulting to 2 seconds

playername.txt generated at boot if it doesn't exist contents: 'RockBox!'

Change-Id: I961910e01be052ef902f77e6d92fc3e367ffe9d0
This commit is contained in:
William Wilgus 2024-12-03 11:42:46 -05:00 • committed by Solomon Peachy
parent c754bc5870
commit 62b5dfd81d
32 changed files with 144 additions and 50 deletions
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70
apps/gui/skin_engine/skin_parser.c
View file

@ -1316,6 +1316,73 @@ static int parse_progressbar_tag(struct skin_element* element,
return 0;
}
static int parse_filetext(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
const char* filename;
char buf[MAX_PATH];
int line = 0;
int fd;
/* format: %ft(filename[,line]) */
filename = get_param_text(element, 0);
if (element->params_count == 2)
line = get_param(element, 1)->data.number;
else if (element->params_count != 1)
{
DEBUGF("%s(file, line): %s Error: param count %d\n",
__func__, filename, element->params_count);
return WPS_ERROR_INVALID_PARAM;
}
path_append(buf, root_realpath(), filename, sizeof(buf));
DEBUGF("%s %s[%d]\n", __func__, buf, line);
if ((fd = open_utf8(buf, O_RDONLY)) < 0)
{
DEBUGF("%s: Error Opening %s\n", __func__, buf);
goto failure;
}
int rd = 0;
while (line >= 0)
{
if ((rd = read_line(fd, buf, sizeof(buf))) < 0)
{
buf[0] = '\0';
break;
}
line--;
}
if (rd <= 0) /* empty line? */
{
DEBUGF("%s: Error(%d) Reading %s\n", __func__, rd, filename);
goto failure;
}
buf[rd] = '\0';
char * skinbuf = skin_buffer_alloc(rd+1);
if (!skinbuf)
{
DEBUGF("%s: Error No Buffer %s\n", __func__, filename);
close(fd);
return WPS_ERROR_INVALID_PARAM;
}
strcpy(skinbuf, buf);
close(fd);
token->value.data = PTRTOSKINOFFSET(skin_buffer, skinbuf);
token->type = SKIN_TOKEN_STRING;
return 0;
failure:
element->type = COMMENT;
token->type = SKIN_TOKEN_NO_TOKEN;
return 0;
}
#ifdef HAVE_ALBUMART
static int parse_albumart_load(struct skin_element* element,
struct wps_token *token,
@ -2378,6 +2445,9 @@ static int skin_element_callback(struct skin_element* element, void* data)
case SKIN_TOKEN_FILE_DIRECTORY:
token->value.i = get_param(element, 0)->data.number;
break;
case SKIN_TOKEN_FILE_TEXT:
function = parse_filetext;
break;
#ifdef HAVE_BACKDROP_IMAGE
case SKIN_TOKEN_VIEWPORT_FGCOLOUR:
case SKIN_TOKEN_VIEWPORT_BGCOLOUR: