From kde-devel  Wed Nov 21 18:27:00 2012
From: Kevin Krammer <krammer () kde ! org>
Date: Wed, 21 Nov 2012 18:27:00 +0000
To: kde-devel
Subject: Re: KStandardAction source code
Message-Id: <201211211927.09629.krammer () kde ! org>
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On Friday, 2012-11-09, Jan Kalcic wrote:
> On 11/08/2012 07:04 AM, Kevin Krammer wrote:
> > Hi,
> >=20
> > On Wednesday, 2012-11-07, Jan Kalcic wrote:
> >> Hi,
> >>=20
> >> I have a Qt app which I am little-by-little "moving" to KDE, with this=
 I
> >> mean I am switching from Qt classes to KDE ones where possible.
> >>=20
> >> With this I am now adding new KStandardAction(s), very quick and easy,
> >> but AFAIU these only provides predefined menu items via XMLGUI
> >> technology, but not the slot implementation code. So for example, if I
> >> want to use the copy KStandardAction, I anyway need to write the source
> >> code for the slot this action is connected to.
> >=20
> > Yes, because what "copy" means is very much dependent on what I fully=20
> > the application does, i.e. what kind of content your application is
> > editing.
> >=20
> > A file manager will copy a list of file URLs to the clipboard, a text
> > editor would copy some plain text, a web browser might copy plain text
> > and/or HTML, an image editor some pixel data.
> >=20
> > The classes holding the data will have different API, different variable
> > names, etc.
> >=20
> > There is just no way to share this in a generic way.
>=20
> I understand, it really makes sense to me.
>=20
> However my wondering was because of the behavior of "copy" and "paste",
> for example, which just copy and paste what selected whatever and
> whereever it is, like if it was "over" the applications and shared by
> them. Trying to say it with different words, in my app I can easily do
> Ctrl+C and Ctrl-C and this simply work. However, if I want the same for
> my actions I have to write the whole code while it seems it is already
> there somewhere :-)

It is more likely that whatever widget you are dealing with has built-in=20
support for clipboard operations. For example QTextEdit does.

Cheers,
Kevin
=2D-=20
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring

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