commit FS#9027 - conditional viewports

** BREAKS CURRENT WPS's  **
* %P has been removed, merged with the new %pb
* %pb is now %pb or %pb|bitmap|x|y|width|height| (any of those params can be - to use sane defaults... check wiki/task for more explaination)

* New %Vl and %Vd tags which are used to setup and display conditionaly displayed viewports (%Vl|<id>|<usual %V params>| to set up, then %Vd<id> to enable the viewport
* bumps the max allowed viewport count to 24
* you can setup 3 different progressbars in a WPS... max of one per viewport though

http://www.rockbox.org/tracker/task/9027?getfile=16785 is a simple perl script to convert old %P/%pb to the new %pb syntax

I'll commit changes to the cabbie wps soon which shows how to use %Vl/%Vd properly...

Reminder: %m will be removed soonish also so when fixing your WPS's remember to use conditional viewports to replace %m


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17759 a1c6a512-1295-4272-9138-f99709370657

wps/cabbiev2.128x128x16.wps

@@ -3,7 +3,6 @@
 #derived from "cabbie" (C) Yohann Misquitta
 %wd
 %X|wpsbackdrop-128x128x16.bmp|
-%P|pb-128x128x16.bmp|
 %xl|A|lock-128x128x16.bmp|3|110|2|
 %xl|B|battery-128x128x16.bmp|23|110|10|
 %xl|C|volume-128x128x16.bmp|51|110|10|
@@ -11,7 +10,7 @@
 %xl|E|repeat-128x128x16.bmp|97|110|4|
 %xl|F|playmode-128x128x16.bmp|111|110|5|
 %Cl|4|12|s60|s60|
-%pb|6|3|125|87|
+%pb|pb-128x128x16.bmp|3|87|122|6|
 #NowPlaying
 %?C<%s%m|70|%al%?it<%it|%fn>|%s%ac%?it<%it|%fn>>
 %?C<%s%m|70|%al%?ia<%ia|%?d2<%d2|(root)>>|%s%ac%?ia<%ia|%?d2<%d2|(root)>>>