Re: Question on gtk_label_set_selectable

[Gregory Hosler <ghosler redhat com>]

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David Ne?as (Yeti) wrote:
> On Fri, Oct 19, 2007 at 07:44:19PM +0800, Gregory Hosler wrote:
> > Gregory Hosler wrote:
> > > Hi all,
> > >
> > > I have labels, which I wish to allow the user to select the text for the purpose
> > > of cut/pasting. So I set
> > >
> > >     gtk_label_set_selectable (GTK_LABEL (dlabel), 1)
> > >
> > > on the label.
> > >
> > > The problem I have now is that when the label is created, not only is the text
> > > selectable, but it is also SELECTED as an initial state. I would prefer for the
> > > text to be selectable, BUT NOT selected (at least as a default state).
> > >
> > > How might I turn off "selected" ?
> > >
> > > any tips ?
> > After some exploring, and looking at the gtk samples, I have an answer.
> > I'm not happy with it. It seems (to me) like there is a bug, so let me
> > explain what works, and what doesn't work.
> >
> > If I have a window (dwindow), and then create a label as follows:
> >
> >         dlabel=gtk_label_new("");
> >         gtk_label_set_text(GTK_LABEL(dlabel), "my text");
> >         gtk_label_set_line_wrap(GTK_LABEL(dlabel),1);
> >         gtk_label_set_selectable (GTK_LABEL (dlabel), 1);
> >
> > Then attach my label to the window and then:
> >
> >         gtk_widget_show_all(dwindow);
> >
> > My label will show up, as selectable, BUT the label text will be
> > initially selected.
> >
> > If I change the above sequence to this:
> >
> >         dlabel=gtk_label_new("");
> >         gtk_label_set_text(GTK_LABEL(dlabel), "my text");
> >         gtk_label_set_line_wrap(GTK_LABEL(dlabel),1);
> >
> > Then attach my label to the window and then:
> >
> >         gtk_widget_show_all(dwindow);
> >         gtk_label_set_selectable (GTK_LABEL (dlabel), 1);
> >
> > i.e. setting the selectable attribute AFTER the label is realized,
> > created, etc. *then* the label text will NOT be selected (but it is
> > still selectable).
> >
> > I do not understand why in one case the initial state of the text is
> > "selected" and in the 2nd case it is NOT "selected".
> >
> > Is this a bug? Or is there a reason this is like this?
> >
> > thoughts ?
>
> I have not seen the code, but...
>
> Your label the first widget in the window that accepts focus
> (selectable labels can receive focus, unlike normal labels).
> Therefore the label will get focus, which selects its text
> -- at least this seems to be the default behaviour.
>
> If you add the label after it's decided which widget should
> receive focus, the label does not get focus and therefore
> its text is not selected.

interesting thought.

The label is in a dialog box with one or 2 buttons. I guess I need to
put the focus onto the default button.

I'll give that a try, and see what happens.

Thanks,

- -Greg

> Yeti
>
> --
> http://gwyddion.net/
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| Greg Hosler                                   ghosler redhat com    |
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