
Chapter 12. Advanced Topics 121
number of WPS files included in Rockbox, and you can load one of these at any
time by selecting it in Settings → Theme Settings → Browse .wps files.
Note: “Playing” a .wps from the File Browser has the same effect.
b
File Location: Custom WPS files may be located anywhere on the drive. The only
restriction is that they must end in .wps. When you “play” a .wps file, it will
be used for future WPS screens, and if the “played” .wps file is located in the
/.rockbox/wps directory, it will be remembered and used after reboot. The .wps
filename must be no more than 24 characters long for it to be remembered.
12.2.2 WPS – Build Your Own
Quite simply, enter the WPS code in your favourite text editor, Notepad on Windows
works fine. When you save it, instead of saving it as a .txt file, save it as a .wps
file. Example: Instead of Rockbox.txt, save the file as Rockbox.wps. To make sure non
english characters display correctly in your WPS you must save the .wps file with UTF-8
character encoding. This can be done in most editors, for example Notepad in Windows
2000 or XP (but not in 9x/ME) can do this. See appendix section B (page 131) for all
the tags that are available.
• All characters not preceded by % are displayed as typed.
• Lines beginning with # are comments and will be ignored.
• Maximum file size used is 1600 bytes. If you have a bigger WPS file, only the first
part of it will be loaded and used.
Note: Keep in mind that your player resolution is 112x64x1 (with the last number giving
b
the colour depth in bits) when designing your own WPS, or if you use a WPS designed
for another target.
Conditional Tags
If/else: Syntax: %?xx<true|false>
If the tag specified by “xx” has a value, the text between the “<” and the “|” is
displayed (the true part), else the text between the “|” and the “>” is displayed
(the false part). The else part is optional, so the “|” does not have to be specified
if no else part is desired. The conditionals nest, so the text in the if and else part
can contain all % commands, including conditionals.
Enumerations: Syntax: %?xx<alt1|alt2|alt3|...|else>
For tags with multiple values, like Play status, the conditional can hold a list of
alternatives, one for each value the tag can have. Example enumeration:
Example
%?mp<Stop|%Play|Pause|Ffwd|Rew>
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