Re: TouchScreen scrolling?
- From: captain deadly gmail com
- To: gtk-list gnome org
- Subject: Re: TouchScreen scrolling?
- Date: Fri, 3 Dec 2010 07:06:33 +0000
On Friday 03 December 2010 05:02:14 Tristan Van Berkom wrote:
> This functionality (generally known as 'kinetic scrolling') is not
> available with
> the current GtkScrolledWindow. I have some ideas on how it could be
> implemented and as it's a pretty popular feature, someone might already
> be in the process of developing this.
>
> You might be able to achieve this by subclassing the GtkScrolledWindow
> and handling the mouse events yourself to drive the scroll adjustment
> positions (however this might turn out to be complex as you would
> want the scrollbars to dissapear and the current scrolled window
> only does scrolling when the scrollbars are visible, so it would involve
> duplicating some of the scrolled window's size request/allocation code
> which is ... tricky).
>
> Cheers,
> -Tristan
Thanks a million for that advice Tristan. I'll have a think on it and decide
how to approach this. It does sound a bit tricky ;-)
>
> On Thu, Dec 2, 2010 at 8:40 PM, <captain deadly gmail com> wrote:
> > Hello all,
> > trying to write an app that runs on a touch screen device without a
> > mouse. I can't find too much info but could well be looking in the wrong
> > place or with the wrong search string.
> >
> > I've a list of items in a TreeView which I'd like to be able to grab to
> > scroll. At present I'm presenting a popup menu on a double click so that
> > I don't confuse the click to drag with the double click. Is there some
> > way of achieving this grab to scroll functionality in gtk?
> > _______________________________________________
> > gtk-list mailing list
> > gtk-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gtk-list
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]