Wine creating windows offscreen when "multiwindow" is used?

[Jon TURNEY]

On 09/07/2014 23:22, Matt D. wrote:
> Yes! That fixed it. Windows from Wine open up just as regular X
> windows on the primary monitor.

Thanks for testing.

This change is included in 1.14.1-4

> To achieve this is appears as though you're ignoring the Window's
> requested x/y position entirely and favoring the placement
> heuristics, as these coordinates are being ignored.

When the requested position isn't on a monitor, yes.

> I do have a use-case where I want windows from Wine to be created at
> a designated position for testing, so I don't have to test on a
> Windows machine for placement as well. Is it at all possible to have
> these windows map their coordinates strictly, as in 0,0 on the
> primary monitor would be 1920x1080 in my case.

This is a bit more work.

Firstly, it seems there are some bugs in the way we transform between X
and Windows coordinates, so it's only done correctly when the top-left
of the X screen is at the top-left of the Windows virtual desktop.

Secondly, I'm not sure how we can have X coordinates 0,0 not at the
top-left and have things work correctly.  X windows with negative
coordinates are by definition off-screen, so may not render correctly.

Or we could adjust the placement of all windows by the required offset, 
but I'm not sure that is a good idea.

> For example, I may want a child window which is a custom dialog
> aligned to the center of its parent, or a newly created window to be
> center-aligned to the screen.

You might find running wine in 'virtual desktop' mode helpful, as I 
don't think it has enough knowledge of the Xinerama monitor layout to 
place windows centered on a monitor.

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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