Wine MIME handling

Roderick Colenbrander thunderbird2k at
Thu Jun 18 15:57:34 CDT 2009

Just for the record winebrowser already seems to support what is
needed without any changes, so need for winemime. The following does
the trick for pdf:



"Content Type"="application/pdf"





@="winebrowser \"%1\""


On Tue, Jun 16, 2009 at 8:13 PM, Roderick
Colenbrander<thunderbird2k at> wrote:
> On Tue, Jun 16, 2009 at 7:23 PM, Brian Vincent<brian.vincent at> wrote:
>> On Tue, Jun 16, 2009 at 5:26 AM, Roderick Colenbrander
>> <thunderbird2k at> wrote:
>>> For the past few days I have been looking at MIME handling in Wine. A
>>> program I'm using uses CreateProcess to launch a pdf file and I would
>>> like to use the default native pdf viewer.
>> I think it would be useful to have two different checkbox option in winecfg
>> that ask:
>> 1.  "Always open files with native application if available?"
>> 2.  "Ask me whether to open with file formats with a native application or
>> my Windows application?"
>> (Optionally, saying "No" to #1 could imply #2.  However, I think it might be
>> clearer to explicitly have it as an option.)
>> For instance, in the case of PDF's, say you have a great native viewer
>> available and you want to use that viewer to view all PDF's.  However, you
>> also have Adobe Acrobat installed under Wine (hypothetical, I have no idea
>> if that app works) and that's what you like to use for editing.  You
>> probably want to use the viewer most of the time, but every once in a while
>> you'd probably like to be prompted to use Acrobat so you can edit the PDF.
>> What would also be slick is to have the Windows Explorer "Open With..."
>> functionality provide a list of native apps as well.
>> -Brian
> The XDG spec which is what I would use defines how to find a program
> which can handle the format (a default handler). The user can override
> the handler but I'm not sure whether the spec also defines a way to
> query which programs can handle the format. This would be needed for
> the 'Open With...' stuff if it is possible then it should be done from
> within shell32.
> What I'm interested in at this point is a method to add native apps to
> handle opening of files (using HKEY_CLASSES_ROOT like on Windows). I
> propose to do this using a winemime program/script. The tool would use
> 'xdg-open' to get the default handler (when the user selects a
> different handler from the default handler on the system, his
> preference is selected). I'm not sure whether the tool needs to be a
> script, program or whether it should be part of shell32. If it is a
> script should xdg-open be forked or ported to C for a winelib version
> of winemime?
> Roderick

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