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bug#9366: Display geometry change hook


From: David De La Harpe Golden
Subject: bug#9366: Display geometry change hook
Date: Thu, 25 Aug 2011 13:42:29 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110626 Icedove/3.1.11

On 25/08/11 06:55, Eli Zaretskii wrote:
Date: Thu, 25 Aug 2011 06:16:58 +0100
From: David De La Harpe Golden<address@hidden>

Dunno about w32 as yet, but presumably it has something similar.

On MS-Windows there's the WM_DISPLAYCHANGE message sent to the message
pump.  Emacs already accepts that message (see w32term.c), but
currently does nothing with it except announcing the change to the
attached debugger.

However, on Windows the message also specifies the new resolution, so
this:


Technically the incoming x11 event does too, but as you can re-query with the existing #'display-pixel-width etc. functions (and get the new values) anyway by the time the hook actually runs (on x11), wasn't sure we needed to allow for propagation of the info really.





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