Re: Textselection always copied to clipboard?

[Bjoern . Stenersen]

Björn Stenersen/sinw schrieb am 15.12.2004 15:56:54:

> Thomas DeWeese <[EMAIL PROTECTED]> schrieb am 15.12.2004 13:05:30:
>
> > [EMAIL PROTECTED] wrote:
> >
> > > i am trying to implement 'copy&paste' in my application. First i thought
> > > everything works great, when i pressed ctrl-c the selected text was
> > > copied to the clibboard. Then i realized i do not have press ctrl-c, the
> > > text always gets copied to clipboard when a selection is made (you can
> > > see this in org.apache.batik.gvt.text.ConcreteTextSelector). I think
> > > this is not very nice that i select a textnode and my clipboard gets
> > > flushed.
> >
> >     This is standard behavior on some systems (X Windows).  The person
> > who originally implemented this was a UNIX head.  It's not as bad
> > as you think once you get used to it...
> >
> > > I think there is even a little bug in this behaviour: the text is only
> > > copied to clipboard when you select it by dragging the mouse on a
> > > textnode. When you select the textnode with a double-click nothing is
> > > copied to clipboard.
> >
> >     I'll check on this.  It would probably be best to have the
> > the TextSelectionManager do the copying to the clipboard
> > if appropriate rather than burying this in the text selector.
> > This would make it a bit easier for the UI code to 'set policy'.

You can look at ConcreteTextSelector, line 272, getSelection() always returns null:-(


> >
> > > Can anybody give me a little tip my how to implement a 'usual'
> > > copy&paste (user has to press a button or ctrl-c)? In the api i found
> > > the class TextSelectionManager, but i do not know how to use it.
> >
> >     Well the first thing is to turn off the default behavior.
> > This can be done by subclassing TextSelectionManager to use
> > another custom subclass of ConcreteTextSelector.  Your
> > subclass of ConcreteTextSelector will simply override copyToClipboard
> > into a NOP.
>
> I already had this idea, but won´t work cause copyToClipboard() is
> private, same
> problem I had with other functions in ConcreteTextSelector.

I still have the same problem, everything I tried did not work. Does anyone have another idea?
Anyway, i think this problem will bother more people than me, what do you think about adding a function like

public void setTextSelectionManager(TextSelectionManagerAdapter a);

to JGVTComponent in a future release?


Have a nice christmas.

>
>
> >
> >     Then you can have your code call
> > 'ConcreteTextSelector.getSelection()' when an appropriate key
> > combination is pressed.
> >
> >
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