[PATCH weston 1/2] Clip pointer input to menu surface.

[Scott Moreau]

On Sun, Oct 7, 2012 at 3:46 PM, Pekka Vuorela <pvuorela at iki.fi> wrote:

> On su, 2012-10-07 at 15:12 -0600, Scott Moreau wrote:
> >
> >
> > On Sun, Oct 7, 2012 at 12:21 PM, Pekka Vuorela <pvuorela at iki.fi>
> > wrote:
> >         On su, 2012-10-07 at 04:28 -0600, Scott Moreau wrote:
> >         > Don't send motion events to the surface when the pointer is
> >         not over the menu.
> >         > This was also causing items to be selected when clicking
> >         outside of the menu.
> >
> >
> >         Wouldn't it be quite a lousy grab if only events on top of the
> >         grabbing
> >         window would be delivered?
> >
> >
> > Is there another way to determine this information from client side?
> >
> >
> Client knows the width of the menu and can ignore events based on that.
>
> I was actually checking out why menu handling doesn't work properly a
> week ago and came across few other issues. First, it's not doing a real
> grab even though wl_shell_surface::set_popup defines one. Events only
> passed on top of client's surfaces. Second, mouse on top of main window
> passes events with coordinates relative to that.


The x/y we get when outside of the menu surface are relative to the parent.
So
there's no way currently to tell from client side whether or not the motion
event
is on the parent or child. I'm not sure why you'd need a grab here, unless
you
wanted to be able to drag a menu for some reason.


> Created a bug report
> for those https://bugs.freedesktop.org/show_bug.cgi?id=55325
>
>
>
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