[maemo-developers] dealing with non-GTK windows

[From: Tapani Pälli]

Hello;

ext Austin Che wrote:
> Tapani Pälli <tapani.palli at nokia.com> wrote:
>
>   
>>>     - Is it possible to force such a window into fullscreen? I don't
>>>       care if it needs to be done manually. For example, is it
>>>       possible to have a program that takes whatever window is
>>>       currently on top/in focus and makes it fullscreen?
>>>   
>>>       
>> Yes, by giving hints to window manager. This can be achieved by setting
>> _NET_WM_STATE to _NET_WM_STATE_FULLSCREEN.
>>     
>
>     Thanks! I found it easier to use gdk_window_foreign_new and then
>     gdk_window_fullscreen. I've now got a semi-working hack using my
>     powerlaunch program to force any window into fullscreen by
>     pressing power,fullscreen.
>     
>     For example, I can now run NX in fullscreen and get a full KDE
>     desktop on the N800:
>     http://austinche.name/maemo/nx-fullscreen.png
>     
>     The one remaining issue I have is how to reliably get the ID of
>     the top window or focused window. I'm using XQueryPointer to get
>     the window under the pointer but it appears to sometimes give
>     windows that no longer exist (cache?) and thereby giving BadWindow
>     errors.
>   

This sounds dirty. You could read root window property
_NET_CLIENT_LIST_STACKING instead to get list of window id's (the last
one is the topmost one).

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>   

// Tapani