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List:       koffice-devel
Subject:    Re: Communication between tools
From:       Jeremias Epperlein <jeeree () web ! de>
Date:       2009-07-10 12:51:44
Message-ID: f80fad6f0907100551s20395e12m9bb6aed2b2a0ef6e () mail ! gmail ! com
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I am not 100% sure this is true, did you try out, what I described in the bug?
Maybe active is technicaly not right, maybe it is more activated.

Greetings
Jeremias

2009/7/10 Thomas Zander <zander@kde.org>:
> There is per definition only one tool active at a time. So your shape will not be \
> deleted or changed from under you. Sorry if I was being confusing about this \
> before... 
> - original message -
> Subject:        Communication between tools
> From:   Jeremias Epperlein <jeeree@web.de>
> Date:           09/07/2009 21:40
> 
> Hi everybody,
> 
> I used the last week mainly to think about, how to best implement the
> management of multiple tool instances
> being active on the same formula shape. Just a few remarks and
> questions the also effects other parts of koffice:
> 
> - is there any way a tool knows that the shape it edits got deleted -
> see (http://bugs.kde.org/show_bug.cgi?id=199612)
> - what is the best way to tell a tool, that the data it edits has changed
> -> just make your data a QObject and use signals and slots (is there
> somewhere an explanation why shapes are no QObjects?,
> I think I heard something along the lines of them being to expensive,
> so is it a good idea to make your data class a QObject?)
> - should the list of old cursors (e.g. of the text tool, we want to
> restore the selection in a shape when we deactivate and then activate
> it again)
> and the current cursor be stored in the tool or the shape, Thomas
> suggested that Pierre wants to move them there for the text tool, what
> are
> the reasons?
> ->I think when there would be a way for a tool to know, that it's
> shape got deleted, the list of old cursors and the current cursor can
> be stored in
> the toold
> 
> Greetings, have fun in the sun
> Jeremias
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