[Bf-committers] [GHOST] Pending events of already destroyed windows

[Mitchell Stokes]

Does SDL have Wayland support? If so, it might be simpler to just use Ghost
SDL for Wayland.

--Mitchell Stokes


On Thu, Nov 28, 2013 at 9:47 AM, Wander Lairson Costa <
wander.lairson at gmail.com> wrote:

> Hi,
>
> I've been trying to implement wayland support for ghost [1]. While
> implementing fullscreen support, I noticed that the gears test
> application often crashes when switching back to the normal mode.
>
> This is what happens:
>
> * I press 'F' key and a new window is created and goes fullscreen.
> * The window is displayed fullscreen.
> * Wayland periodically sends me 'redraw' events.
> * Everytime I receive a 'redraw' event from wayland, I push an
> 'WindowUpdate' event.
> * When I press 'F' again, the key event is pushed to the event queue.
> * I receive a 'redraw' event from wayland, then I push an 'WindowUpdate'
> event.
> * The 'F' key event is dispatched and the fullscreen window is destroyed.
> * The 'WindowUpdate' is dispatched, but the event now carries an
> invalid window object.
> * Eventually the application crashes.
>
> So, what happens to pending events when the Window is destroyed? If I
> understood correctly, the events remains on the event queue, but I
> think I am missing something here.
>
> Ideas?
>
> [1] https://github.com/walac/blender-wayland
>
> --
> Best Regards,
> Wander Lairson Costa
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