Re: [gtk-list] wheel support, was: Re: Plans for 1.3/1.4

[Nils Philippsen <nils fht-esslingen de>]

On Mon, 1 Mar 1999, Ben Darnell wrote:

> I would also like to request support for scrolling with the Logitech Trackman
> Marble FX.  For those of you that don't know, it's a 4-button trackball.  With
> the Windows drivers, the fourth button is by default used for scrolling in one of
> two ways:
> 1) Click button 4 once, and the cursor changes to a 2- or 4-way arrow (it detects
> which directions scrolling is possible in).  Roll the ball to scroll the window
> under the cursor in that direction.  Click any button to return to normal
> operation
> 2) Roll the ball while holding button 4 and the window under the cursor will
> scroll in that direction
> 
> In both cases, when the ball is used for scrolling, the cursor does not move.
> This particular bit may be difficult to do in X; I don't know enough of how it
> handles the cursor to be sure.  Anyway, this is one of the main features of
> Windows that I miss; i would greatly appreciate if it was added to GTK.  I'm
> willing to help with this, but I'm not sure how useful I can be, since I don't
> know much about X programming.

This would be quite a big job, since X doesn't know anything about
scrollbars...

Nils
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