[Qemu-devel] [Bug 1835729] [NEW] GTK display does not support host scale factor

[Tristan Van Berkom]

Public bug reported:

In the GNOME desktop environment, for HiDPI displays there is support to
upscale everything.

This can be set in "System Settings -> Displays -> Scale".

I believe this affects GDK in the same way as setting the "GDK_SCALE"
environment variable does.

When launching `qemu-system-x86_64 ... -display gtk`, this scale factor
seems to get lost; the result is that the host window is upscaled and
doubled in size, while the guest appears only in the bottom left corner
of the UI.

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "Screenshot displaying the problem"
   
https://bugs.launchpad.net/bugs/1835729/+attachment/5275625/+files/qemu-gtk-display.png

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1835729

Title:
  GTK display does not support host scale factor

Status in QEMU:
  New

Bug description:
  In the GNOME desktop environment, for HiDPI displays there is support
  to upscale everything.

  This can be set in "System Settings -> Displays -> Scale".

  I believe this affects GDK in the same way as setting the "GDK_SCALE"
  environment variable does.

  When launching `qemu-system-x86_64 ... -display gtk`, this scale
  factor seems to get lost; the result is that the host window is
  upscaled and doubled in size, while the guest appears only in the
  bottom left corner of the UI.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1835729/+subscriptions