'Re: Open Issues'

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List:       kde-kafka
Subject:    Re: Open Issues
From:       Stefan Schimanski <1Stein () gmx ! de>
Date:       2000-10-26 20:38:05
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> Something we could then do is to add code to the tokenizer to accept
> "plugin-tokens". In normal html viewing there would be no plugins
> registered, in kafka however tokens like "whitespace", "php-tag" etc, could
> be added. Which would be then be stored in the dom-tree.
> Example:
>
> <html>
>   <?echo $text; ?>
> </html>
>
> in normal khtml this would create
>  [html]
>      [texttag] <?echo $bgcolor; ?>"
>
> But after registering the php and whitespace objects we would have
>   [html]
>      [kafka-whitespace]  "   "
>      [kafka-php tag] "echo $bgcolor;"
>      [whitespace] "\n"
>
> Implementation specific, all kafka objects would have to subclass a
> "unknown-token" in the khtml lib, some smart code would have to sneak into
> the tokenizer to parse the "plugin" tokens.

That's exactly what I had in mind. Adding this to khtml should be possible. 
Lars already said that he would change the parser/tokenizer into classes with 
virtual function we could overwrite.

> > B) editing must be interactive and intiutive. This means that
> > drag'n'drop, wysiwyg editing of positions and dimension (i.e. of images,
> > tables, divs) is possible.
>
> Certainly, but is this not really easy if you have a DOM? You can ask khtml
> where stuff is, so finding out which token has been clicked is really easy.
> All we have to do is write logic that wil do the drawing.

I looked into the KHTMLView class this morning. Adding those things shouldn't 
be very hard. The whole html page is double buffered in a QImage while 
drawing and blitted to the QPainter. Before the last step we can easily add 
our own drawing code.

Schimmi

-- 
#! /bin/sh
for DVDs in Linux screw the MPAA and ; do dig $DVDs.z.zoy.org ; done | \
   perl -ne 's/\.//g; print pack("H224",$1) if(/^x([^z]*)/)' | gunzip
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