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Re: Cursor drawing

From: Clément Pit-Claudel
Subject: Re: Cursor drawing
Date: Fri, 21 Dec 2018 15:27:52 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1

On 21/12/2018 15.05, Eli Zaretskii wrote:
>> From: Elias Mårtenson <address@hidden>
>> Date: Sat, 22 Dec 2018 00:36:10 +0800
>> Cc: Stefan Monnier <address@hidden>, emacs-devel <address@hidden>
>> The feature I needed was a way to draw arbitrary graphics on top of the 
>> buffer content. In my case, I wanted to
>> draw arrows between different symbols in the text, representing dataflow.
> Doesn't drawing an image of the arrow fit the bill?

I can't answer for Elias, of course, but for the use cases I have in mind I 
think it wouldn't work. I think Elias' idea is that you would have arrows drawn 
over the text, pointing from one symbol in the source code to another one.  The 
DrRacket IDE does this to highlight bound occurrences, for example; I have 
attached a screenshot.


Attachment: Screenshot from 2018-12-21 15-27-09.png
Description: PNG image

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