David Edmundson <> changed:

           What    |Removed                     |Added
             Status|CONFIRMED                   |RESOLVED
         Resolution|---                         |FIXED
      Latest Commit|                            |
                   |                            |sma-workspace/7cfdd9a5260b8
                   |                            |bc6140a85270a6d6bb0cc98e009

--- Comment #16 from David Edmundson <> ---
Git commit 7cfdd9a5260b8bc6140a85270a6d6bb0cc98e009 by David Edmundson.
Committed on 08/08/2017 at 10:37.
Pushed by davidedmundson into branch 'master'.

Set a default font DPI if not set

Currently X and Xwayland (unless set otherwise) defaults to a DPI of 96.

GTK on wayland (unless set otherwise) defaults to a DPI of 96.

Qt (currently) defaults to physical size/resolution. This leads to
reports that Wayland looks big.

Qt is potentially also changing to 96 for > Qt5.10.
(it's in review at the time of writing)

Now kwin has proper scaling support, legacy apps get scaled by the
compositor without font hacks, and apps that scale themselves need a
non-scaled font DPI. (i.e a 4k screen at 2x still wants a DPI of 96 not

We want to change the wayland scale factor not the font.

If a user does override this setting that override will still work.

Test Plan:
don't have this setting explcitly set
dolphin --platform wayland and dolphin --platform xcb have everything
the same size. Even on a scaled display where one is scaled up by the
compositor and one is native.

Reviewers: #plasma, mart

Reviewed By: #plasma, mart

Subscribers: plasma-devel

Tags: #plasma

Differential Revision:

M  +2    -0    startkde/startplasmacompositor.cmake

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