shouldn't be hard at all. is there a location where all the keys are documented?
On 1/8/07, Erlend Davidson <[EMAIL PROTECTED]> wrote: > > > Jamie McCracken wrote: > > Erlend Davidson wrote: > >> > >> Jamie McCracken wrote: > >>> Erlend Davidson wrote: > >>> > >>>> That would require a whole standard for thumbnailers... the thunar > >>>> ones take three or four command-line arguments (input file, size, > >>>> output file and optionally the URI of the file), this should be > >>>> sufficient, but someone might want more and then the standard would > >>>> break. > >>> not really the same arguments are used by gnome in its gconf based > >>> thumbnailers so its already a de facto standard. (A;though I dont > >>> know what KDE uses?) > >> KDE is slightly different I think. For example with kwebdesktop > >> (which is used to thumbnail webpages), > >> > >> kwebdesktop 640 480 output_file input_file. > >> > >> > >> This is not an impossible problem to overcome however, as the thunar > >> way of calling external thumbnailers involves the use of a .desktop > >> file, like: > >> > >> ---< html-thumbnailer.desktop >--- > >> [Desktop Entry] > >> Version=1.0 > >> Encoding=UTF-8 > >> Type=X-Thumbnailer > >> TryExec=kwebdesktop > >> MimeType=text/html; > >> Name=HTML Thumbnailer > >> X-Thumbnailer-Exec=kwebdesktop 640 480 %o %u > >> > >> > >> which can be used to change the order of arguments. > >>>> Incidently tracker uses the same command-line arguments as thunar > >>>> for thumbnailers. Coud you possibly change tracker to use the same > >>>> directory as thunar? > >>> thats my point - the only thing not standardised is the location of > >>> the scripts and thats why a freedesktop specified location would be > >>> preferred by tracker. > >> I might e-mail the xdg list. > >>> In the short term, I can of course check for gnome thumbs using > >>> GConfTool (which does not require linking in GConf) and as you say > >>> the thunar directory if it exists so patches welcome for that. > >>> > >>> feel free to add a bugzilla enhancement request > >>> (http://bugzilla.gnome.org) to tracker and I will get round to it > >>> eventually if no patch is forthcoming > >> What area of the source should I look in to? > > > > src/trackerd/tracker-metadata.c > > > > function tracker_metadata_get_thumbnail > Actually it's src/tracker-thumbnailer/tracker-thumbnailer.c > just after the comment: > /* do we have a thumbnailer for this mime type? */ > > Is there an easy way to process .desktop files? What needs to be done > is all .desktop files in /usr/local/share/thumbnailers/ read and only > those with "MimeType=argv[2]" selected. Then read > TryExec=DEPEND_ON_THIS_BINARY and check that DEPEND_ON_THIS_BINARY is > executable and on the path, if so run the command specified by the key > X-Thumbnailer-Exec. > e.g. convert "ps:$ifile[0]" -scale "$sizex$size" "png:$ofile" > _______________________________________________ > tracker-list mailing list > [email protected] > http://mail.gnome.org/mailman/listinfo/tracker-list > _______________________________________________ tracker-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/tracker-list
