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Re: [Bug 755406] Re: Mouse offset problem when using a WINE application maximized

 

On Tue, 21 Feb 2012, Andreas E. wrote:

> Isn't it time to get the double title bar fixed? Both Ubuntu 12.04 LTS 
> and Wine 1.4 claim to be stable and quality releases. Both would profit 
> from a fix no matter who's fault it is.
>
> Scott Talbert said: The issue seems to occur because Unity modifies the 
> MWM hints [...] and then Wine subsequently restores them. Since I have 
> never experienced double title bars in other apps except Wine, isn't it 
> then wrong behavior that Wine restores the MVM hints, or shouldn't have 
> Unity changed them in the first place?

Modifying the MWM hints is how Unity removes the title bar from a window. 
I'm not sure there is any other way to do it.

I did present a patch to the Wine developers which basically checked to 
see if the MWM hints had been modified (by something outside Wine, e.g., 
Unity) and if so, stop Wine from modifying them.  However, the Wine 
developers argued that Unity should not be modifying the hints.  I suppose 
that it is possible that Ubuntu could look into using this patch as a 
delta from upstream.

What I haven't investigated, however, is how things work with Unity 2D. 
Unity 2D doesn't exhibit the double-title-bar problem, but I haven't 
investigated to determine why.

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https://bugs.launchpad.net/bugs/755406

Title:
  Mouse offset problem when using a WINE application maximized

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