From gtk-app-devel  Thu Jan 03 22:53:12 2008
From: Mike Melanson <mike () multimedia ! cx>
Date: Thu, 03 Jan 2008 22:53:12 +0000
To: gtk-app-devel
Subject: Re: Mouse wheel events
Message-Id: <477D6758.9050900 () multimedia ! cx>
X-MARC-Message: https://marc.info/?l=gtk-app-devel&m=119940085903526

Tom Trebisky wrote:
> Hello,
> 
> I have a GTK 2 application I have been developing that I would like
> to have use mouse wheel events.  I have a mouse event handler that
> gets left and right button events just fine, (being connected to the
> button release event).  Naturally, it doesn't get a thing when I
> rotate the center wheel on the mouse.  Can anyone tell me what
> to do, or direct me to appropriate documentation?

Investigate the GDK_SCROLL event. It gives you a GdkEventScroll event
structure that contains a direction field with GDK_SCROLL_UP or
GDK_SCROLL_DOWN.

Of course, this is different from the X11 event model which maps scroll
wheel events to mouse buttons 4 and 5.

-- 
	-Mike Melanson
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