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bug#28621: Proposed patch for doc of posn-window and code of posn-set-po


From: Robert Weiner
Subject: bug#28621: Proposed patch for doc of posn-window and code of posn-set-point to handle frame arguments
Date: Fri, 29 Sep 2017 12:48:22 -0400

On Fri, Sep 29, 2017 at 4:34 AM, martin rudalics <address@hidden> wrote:
> ! `posn-window': The window or frame of the event end.

If we start talking about "event ends" here we should export that
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concept to the remaining ‘posn-*’ functions as well.
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​Yes.
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> ! If POSITION is outside the frame where the event was initiated, return
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> ! that frame instead.  POSITION should be a list of the form returned by
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I suppose this is not sufficient: We get a frame also when the mouse is
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on its tool or menu bar, some of ist borders ...

​posn-area reports whether the event was in the text area or not.​

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But note that I've never been able to understand the purpose of these
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‘posn-*’ functions and they usually confuse the hell out of me.  IMHO it
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would make much more sense to declare them obsolete and concentrate on
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describing event structures better.

It does seem like some additional work is needed to simplify event handling and handle a multi-frame world better.

Bob

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