[patch] XDG dirs on Windows - Akonadi data/config as an example

[Christian Ehrlicher]

Jaroslaw Staniek schrieb:
> hi
> This is not quite topic for kde-windows; it rather belongs to lower level.
> But we tend to rather carefully select our dirs, so:
> 
> The base dir defined by XDG specs is $HOME, and subdirs are hidden, e.g.
> .config, .local.
> On Windows we have $APPDATA and $HOME, and I would say the former is 
> preferred
> to flood with subdirs.
> While trying to make Akonadi run on Windows flawlessy (it required mysql
> server instance) and looking at current
> kdesupport/akonadi/libs/xdgbasedirs.cpp, in particular 
> XdgBaseDirs::homePath()
> method,  I can see that the config dirs are computed as follows:
> 
> 1. if $XDG_CONFIG_HOME exists, it's used; $HOME is prepended if
> $XDG_CONFIG_HOME is not absolute.
> 2. if $XDG_CONFIG_HOME is empty; $HOME is selected as the base dir.
> 3. to the result of 1. or 2., subdir name is added, e.g. .config or .local.
> 
> Now on Windows it means you'd end up with cryptic .config and .local 
> files not
>   really related to the operating system specs, when hidden files are not
> denoted by the leading dot.
> 
> My proposal is to use $APPDATA/XDG/ or if $APPDATA is empty, $HOME/XDG/ as
> default (i.e. when expected $XDG_* variable is empty).
> 
> That would clearly give one root directory for any XDG-compliant 
> settings on
> the OS where XDG is uncommon.
> 
> Appropriate patch is attached.
> 
Please do not use env vars but ShGetSpecialFolderPathW like we did for 
kde4 and marble config files.


Christian

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