Re: wm-spec-list Digest, Vol 40, Issue 3

["kettani lalla fatima zahra" <kettania gmail com>]

Hi,

> If I'm understanding "system modal window" correctly, then the usual
> way to create such a thing is to make a full-screen override redirect
> window.  All window managers allow for such a thing (because override
> redirect windows override the window manager's control).

 

I mean by system model, an application child window ( for example dialog box) that keeps the focus and doesn't allow input to other windows until the specified window is acknowledge.

"override redirect" shall be set to TRUE in that case, but it is done in the application, am i wrong?

If not, what i want is to force a specific child window to be system modal by the window manager through configuration.

Like for position and size of a specific window, even if the program sets a position and size, some WM allows the user to set different values.( KWIN )

 

>The application would need to actively grab the keyboard as well, to
>prevent the window manager's user from moving focus to windows beneath
>the full-screen window.  Since the WM has no knowledge of the intended
>behavior, it may still move focus at its discretion. So, you probably
>want to watch for that and return focus to your window if it does
>move.

I think you are right, the best way is to control the focus of application windows through WM, is this possible without modifying the application sources?

 

Cheers




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Date: Mon, 21 Jan 2008 09:34:38 -0500
From: "Dana Jansens" <danakj orodu net>
Subject: Re: WM features
To: wm-spec-list gnome org
Message-ID:
       <b3502dfb0801210634q3fc1f95dh60ee5fb7093db970 mail gmail com >
Content-Type: text/plain; charset=UTF-8

On Jan 21, 2008 1:24 AM, Nathaniel Smith <njs pobox com> wrote:
> On Mon, Jan 21, 2008 at 01:41:31AM +0000, kettani lalla fatima zahra wrote:
> >    Hi all,
> >    i have a question about window manager's features. Is there any WM that
> >    can force an application specific window to behave as a system modal
> >    window?
> >    I know for example that mwm offers XmNmwmInputMode resource that can be
> >    used by an application to set a system modal window, but i am interested
> >    by a customisation that could be done through WM without being invoked by
> >    the application it self.
>
> If I'm understanding "system modal window" correctly, then the usual
> way to create such a thing is to make a full-screen override redirect
> window.  All window managers allow for such a thing (because override
> redirect windows override the window manager's control).

The application would need to actively grab the keyboard as well, to
prevent the window manager's user from moving focus to windows beneath
the full-screen window.  Since the WM has no knowledge of the intended
behavior, it may still move focus at its discretion. So, you probably
want to watch for that and return focus to your window if it does
move.

Alternately, you can grab the entire X server, causing all other X
applications to temporarily freeze.  This may cause weird things like
cause your music player to pause until the server grab is released.

There's no real nice way to do what you want, but there are ways.


dana


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End of wm-spec-list Digest, Vol 40, Issue 3
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