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Re: is there a hook run when display geometry changes?

From: David De La Harpe Golden
Subject: Re: is there a hook run when display geometry changes?
Date: Fri, 12 Aug 2011 20:40:41 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110626 Icedove/3.1.11

On 12/08/11 20:10, Thien-Thi Nguyen wrote:
() David De La Harpe Golden<address@hidden>
() Fri, 12 Aug 2011 19:59:34 +0100

    e.g. on X11, you'd want a hook run when emacs [selects for]
    and gets an xrandr XRRScreenChangeNotify event, I think.
    Could be a separate display-configuration-change-hook or
    maybe another trigger of window-configuration-change hook.

Perhaps there's a way to request such notifications from dbus.

That would seem rather unnecessarily convoluted. libxrandr exists and has the function for it. man 3 xrandr

A XRRScreenChangeNotifyEvent is sent to a client that has requested notification whenever the screen configuration is changed. A client can perform this request by calling XRRSelectInput, passing the display, the root window, and the RRScreenChangeNotifyMask mask.

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