[PATCH weston] smoke: Don't commit an xdg_surface with a NULL buffer

[Jasper St. Pierre]

Wayland does not have child windows.
On Oct 16, 2014 8:22 PM, "Bill Spitzak" <spitzak at gmail.com> wrote:

> On 10/16/2014 08:03 PM, Jasper St. Pierre wrote:
>
>  Are there any use cases for hiding a window while keeping it in the same
>> place? We couldn't think of any on IRC.
>>
>
> There may be a desire to do that with child windows. If a client has a
> button that turns a child window on/off, and the user moves the child, then
> toggles the button on/off it probably should reappear where it was.
>
> But I think it is ok if the user moves the parent window while the
> children are hidden, the children reappear moved the same amount.
>
> I think currently the client can control where the child first appears,
> and could make it reappear in the same location (relative to the parent
> window) but not where the user moved it. But the fix would probably be to
> add an event so the client knows where the window was moved relative to the
> parent.
>
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