[Qemu-devel] [Bug 1592351] Re: mouse pointer offset with gtk, gl=on

[Jirislaby <1592351@bugs.launchpad.net>]

That works for scale = 1. Given scale is set only in draw (2d) and not
in render (3d), it never worked with other scales. Apart from that, the
code is full of bugs.

I could make it work with the attached diff modulo the fprintfs,
basically. However I am not going to invest more time into that, as it
has to be audited and fixed by someone who actually understands the
code.

** Patch added: "debug & fix patch"
   https://bugs.launchpad.net/qemu/+bug/1592351/+attachment/4683813/+files/fix.diff

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https://bugs.launchpad.net/bugs/1592351

Title:
  mouse pointer offset with gtk,gl=on

Status in QEMU:
  Confirmed

Bug description:
  When I turn gl=on for -display gtk, some Y offset is added to the
  mouse pointer coordinates. That is, when I click on an icon, an icon
  _above_ the one I clicked triggers.

  Using xev, it seems to be offset of 10-12 pixels.

  It happens with all ps/2 mouse, -usbdevice mouse and -usbdevice
  tablet.

  Without gl=on, the pointer is precise.

  I have these qemu versions:
  qemu-2.6.0-470.2.x86_64
  qemu-ipxe-1.0.0-470.2.noarch
  qemu-ksm-2.6.0-470.2.x86_64
  qemu-kvm-2.6.0-470.2.x86_64
  qemu-ovmf-x86_64-2015+git1462940744.321151f-2.1.noarch
  qemu-ppc-2.6.0-470.2.x86_64
  qemu-seabios-1.9.1-470.2.noarch
  qemu-sgabios-8-470.2.noarch
  qemu-tools-2.6.0-470.2.x86_64
  qemu-vgabios-1.9.1-470.2.noarch
  qemu-x86-2.6.0-470.2.x86_64

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