https://bugs.kde.org/show_bug.cgi?id=386475

--- Comment #3 from Alvin Wong <alvinhoc...@gmail.com> ---
Created attachment 108747
  --> https://bugs.kde.org/attachment.cgi?id=108747&action=edit
tablet log

It seems that no mouse move events get sent when the pen is drawing.

My implementation of the pointer input api lets Windows generate the mouse move
events by "ignoring" all the pen move events (while accepting the pen down/up
events), which seems to work on 1703 but is now broken on 1709. I guess it
might be a side-effect of Windows being changed to synthesize touch events
first on pen down.

The question is, are the assistants updated only on mouse move but not tablet
move? I think it's not a really good idea to rely on mouse events always being
synthesized. (But then Qt does have its mouse event synthesizing code which can
be enabled/disabled if the OS does not synthesize mouse events itself... which
can't be used from my home-grown pointer input code...)

If Krita really does always expect mouse events, I can potentially add mouse
event synthesizing code, but it can get messy :/

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