HiDPI issues

[Narcis Garcia]

It's important that compositor does scaling as is done with fonts.


El 21/05/15 a les 11:35, Iban Eguia ha escrit:
> 
> 
> 2015-05-17 12:20 GMT+02:00 drago01 <drago01 at gmail.com
> <mailto:drago01 at gmail.com>>:
> 
>     On Sun, May 17, 2015 at 10:43 AM, Narcis Garcia
>     <informatica at actiu.net <mailto:informatica at actiu.net>> wrote:
>     > I'm using Gnome 3.8 in wide range of computers (in Trusty) and there is
>     > a problem with the inverse situation (low resolution): font scale can be
>     > tweaked, but not the rest of elements (icons, buttons, bars, etc.)
>     >
>     >
>     > El 17/05/15 a les 01:10, Alfredo Hernández ha escrit:
>     >> I reckon most if these errors are because of GTK+2. All of the issues
>     >> you've listed seem to be directly related to apps not updated to GTK+3.
>     >>
>     >> Cheers,
>     >> Alfredo
>     >>
>     >> On 16 May 2015 22:30, "Iban Eguia" <iem10393 at gmail.com <mailto:iem10393 at gmail.com>
>     >> <mailto:iem10393 at gmail.com <mailto:iem10393 at gmail.com>>> wrote:
>     >>
>     >>     Hi, guys, I've just bought a new computer with HiDPI display, and
>     >>     I'm experiencing some issues with it. I suppose that most of them
>     >>     will not be related to Ubuntu GNOME as a distribution, but in any
>     >>     case, I wanted to sum them up here so that you could tell me if
>     >>     they're related to the distribution, to GNOME or to specific
>     >>     applications. And, if it is the case that some of them could be
>     >>     solved from the distribution itself maybe we could do something
>     >>     about it, and I include myself, as I'm finishing my IT degree and
>     >>     maybe I could contribute. So, since I don't want to extend myself
>     >>     much longer, here I summarize these issues:
>     >>
>     >>       * Icons too small in save/load windows: Even if the icons in
>     >>         Nautilus are fine, in the load/save windows, (such as when I try
>     >>         to save something from Firefox or I open something in
>     >>         LibreOffice appear too small, and its difficult to see them
>     >>         properly.
> 
>     I have no idea what you mean here those should be fine.
> 
> 
> Well, here I'm talking about the save windows. I'm including an
> attachment to show it. About the rest, I understand it's not a Gnome issue.
>  
> 
> 
>     >>       * Icons too small in some applications: In Filezilla or
>     >>         ProjectLibre, I see that the icons are really small, what leads
>     >>         to an unpleasant user experience. I think that this is only
>     >>         related to certain applications, so probably they don't fit as a
>     >>         bug of the distribution.
> 
>     Those are indeed application specific. Currently mostly only GTK3
>     applications support
>     HIDPI ... QT5 ones do if you set an env var.
> 
>     >>       * In some circumstances, the cursor changes to Low DPI: For
>     >>         example, in Tweetdeck in Firefox or in Telegram Desktop, the
>     >>         cursor, only in some sections changes back to Low DPI and it's
>     >>         shown really small. I have seen this happen with the zoom
>     >>         cursor, with the hand cursor and with the text cursor.
> 
>     Never seen something like this ... did the application override the
>     cursor (theme)?
> 
>     >>       * Chrome totally lacks HiDPI support: I guess this should
>     be a bug
>     >>         report for Google, but as I'm trying to summarize all the errors
>     >>         I find I include it here.
> 
>     This is/will be fixed with Chrome 43 (not really a gnome issue).
> 
>     >>       * Firefox does not adapt by default to HiDPI: I had to change
>     >>         Firefox settings in about:config so that web pages didn't show
>     >>         so small.
> 
>     This is fixed in Firefox 38 (again not really a gnome issue).
> 
>     >>       * In Skype, all the interface is really small: Apart from being
>     >>         totally outdated, Skype is not adapted to HiDPI: All the fonts
>     >>         and interfaces are really small and only adapted to low-DPI. I
>     >>         understand this is a Microsoft issue.
> 
>     Fonts should adapt because we set xft-dpi as for the rest yeah ...
>     they'd probably have to port
>     it to QT5 to get proper hidpi support.
> 
>     >>       * Spotify is not adapted to HiDPI: As it happens with Skype, it
>     >>         has  all the fonts and interfaces only adapted to low-DPI.
>     >>
>     >>     Of course I understand that most of these can't be seen as bugs of
>     >>     the distribution, but I think that should be noted so as to
>     >>     understand better what is left to do with HiDPI displays both from
>     >>     the distribution perspective and from the contributors perspective.
>     >>     In any case, I'll try to report most of them to the respective
>     >>     developer communities.
> 
>     Well the way forward for legacy apps that will probably never support
>     hidpi is to let the compositor do the scaling.
>     This requires wayland though see
>     https://bugzilla.gnome.org/show_bug.cgi?id=728902
> 
>     Otherwise just file bugs for the applications; the issues you noted
>     aren't really gnome specific.
> 
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