Re: new hint for EWMH

On Fri, 03 Aug 2007 08:28:00 +0300 Tapani Pälli <[email protected]>
babbled:

i think what lubos was getting at is - make the input method window a MANAGED
window (not override-redirect) and just have a new window type - then let the
wm place that type of window anywhere it likes (where it thinks is a good idea
so it won't overlap other windows). i agree - this is cleaner than hinting at
rectangle lists.

> ext Lubos Lunak wrote:
> > On Monday 30 of July 2007, Tapani Pälli wrote:
> >   
> >> Hello,
> >> I would like to suggest a new hint '_NET_INPUT_AREAS' for EWMH to be
> >> used by window managers and toolkits. This hint would be a list of
> >> rectangles representing bounding boxes of the input methods on the screen.
> >> This allows a toolkit to place it's temporary windows (that might have
> >> input-entries) like popup-menu's so that they won't cover input-method
> >> areas and user can interact with those windows.
> >>
> >> I have suggested to have this patch for Matchbox window manager :
> >> http://bugzilla.openedhand.com/show_bug.cgi?id=333
> >>     
> >
> >  I'm not sure I understand the purpose of the hint correctly - why not
> > simply add a new window type for these windows? Could you post a
> > description for the hint as it should be included in the spec?
> >   
> 
> New Window type is fine for WM but a list of rectangles is much better
> toolkit-wise. Without this hint toolkit would need to go through whole
> window tree and pick input-method windows and then make collision
> detection logic. This is much heavier that having coordinates from the
> start. Description below :
> 
> ---------- 8< -------------------------------------------------------
> 
> Section : Root Window Properties (and Related Messages)
> 
> ...
> 
> _NET_INPUT_AREAS
> 
> _NET_INPUT_AREAS CARDINAL[]/32
> 
> This array contains a list of input-method areas. Toolkit and
> Applications can use this information to place their input-entry windows
> so that they won't overlap input-methods. Property is set and updated by
> the Window Manager.
> 
> // Tapani
> 
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