Ah, ok, that clears that up... Thanks,
Darren. Brian Cameron wrote: > Darren: > >> Hmm - the main issue that I'd have here how this would effect GDM? As I >> remember, GDM had issues before where the font-cache was broken/out of date >> too. >> >> Handling it post-login won't help if you can't get that far... > > Note that the new GDM 2.22 rewrite uses gnome-settings-daemon, so any > fix that involves g-s-d being smarter about fonts would likely also > benefit GDM going forward. > > Brian > > >> Alan Coopersmith wrote: >>> Just in case anyone here is interested in changes being proposed to the >>> font management systems we get from the open source community. >>> >>> -Alan Coopersmith- alan.coopersmith at sun.com >>> Sun Microsystems, Inc. - X Window System Engineering >>> >>> -------- Original Message -------- >>> Subject: [Fontconfig] Font autoinstallation meeting >>> Date: Fri, 06 Jun 2008 15:06:51 -0400 >>> From: Behdad Esfahbod <behdad at behdad.org> >>> To: Richard Hughes <rhughes at redhat.com>, Nicolas Mailhot >>> <nicolas.mailhot at gmail.com> >>> CC: fontconfig <fontconfig at lists.freedesktop.org>, fedora-fonts-list >>> <fedora-fonts-list at redhat.com>, gtk-i18n-list <gtk-i18n-list at >>> gnome.org> >>> >>> Hi guys, >>> >>> Lets meet Monday June 9th 17:00 UTC in ##fonts on freenode to discuss >>> font autoinstallation in Fedora. >>> >>> I've recently committed patches to GTK+ and gnome-settings-daemon (the >>> latter not committed just yet, but expect to commit today or tomorrow) >>> to detect fontconfig configuration changes and react to it [1]. By >>> react, I mean: >>> >>> - Make fontconfig reread its configuration, seeing newly installed >>> fonts, changed configs, etc, >>> - Make Pango fontmap drop its fontset caches, >>> - Redraw all widgets. >>> >>> With these in place, you can install a font rpm and all running >>> applications will pick it up withing 5 seconds. >>> >>> Next logical step is to detect when fonts are missing for some language, >>> and let PackageKit offer installing them. That's what I want to discuss >>> at the meeting. >>> >>> To get us started, this is the very rough design I have in mind right >>> now: >>> >>> >>> - Hook into PangoFcFontMap's load_fontset method, and if the font >>> pattern for the first font in the just-loaded fontset does not cover the >>> asked language, signal missing fonts for language. >>> >>> - The signal will be propagated to PackageKit over D-BUS >>> >>> - PackageKit will show a notification suggesting to install fonts for >>> langauge. In a further dialog it will list all font packages covering >>> the missing language(s?) and let user choose which ones to install. >>> >>> >>> Discussion: >>> >>> - I don't like making Pango do much. My previous idea was to add a >>> missing-fonts hook in Pango that another module can hook into. I don't >>> like that idea much now. Hooks are in general very unscalable in the >>> long run. >>> >>> - Here's another way to handle it: I'm going to make some changes to >>> PangoFontMap handling. The part relevant here is that one can call >>> pango_cairo_font_map_set_default() to change the default font map. >>> Then: >>> >>> - PackageKit-gnome will install a gtk-module that upon loading, gets >>> the current pangocairo defaultfontmap, subclasses it anonymously (that's >>> perfectly possible), overrides the load_fontset method, creates an >>> instance of it, and sets it as the new default pangocairo fontmap. >>> >>> - The hook then is responsible for using D-BUS or any other means >>> (xsettings?!) to notify PackageKit of missing fonts and at that point >>> I'm done :). >>> >>> >>> >>> For this to work, it's easiest if font packages provided names like >>> font-lang-fa, font-lang-fa_IR, font-lang-az_IR, etc. We can develop a >>> script to automatically generate that at package build time. Fontconfig >>> already has that list. >>> >>> >>> Anyway, further discussion during the meeting :). >>> >>> >>> Cheers, >>> >>> behdad >>> >>> [1] http://mces.blogspot.com/2008/06/online-font-installation.html >>> >>> _______________________________________________ >>> Fontconfig mailing list >>> Fontconfig at lists.freedesktop.org >>> http://lists.freedesktop.org/mailman/listinfo/fontconfig >>> _______________________________________________ >>> desktop-discuss mailing list >>> desktop-discuss at opensolaris.org >> _______________________________________________ >> desktop-discuss mailing list >> desktop-discuss at opensolaris.org >
