Re: Problem with mouse EventHandler on linux
- To: mathgroup at smc.vnet.net
- Subject: [mg104780] Re: Problem with mouse EventHandler on linux
- From: Harrie Kraai <hakraai at xs4all.nl>
- Date: Tue, 10 Nov 2009 05:56:47 -0500 (EST)
- References: <hcr9rr$9lk$1@smc.vnet.net>
Hi, is there anyone willing to try this out and confirm?
Then I can report this as a bug...
HK
Harrie Kraai wrote:
> Hi, I met the following problem with the EventHandler for mouse actions
> on Linux (SuSE 10.?, kernel 2.6.16.46), Mathematica 7.0.1
>
>
> DynamicModule[{a, b, c},
> EventHandler[
> Dynamic@ArrayPlot[{{a, b, c}}], {{"MouseDown",
> 1} :> (a = 1), {"MouseUp", 1} :> (a = 0), {"MouseDragged",
> 1} :> (Beep[]), {"MouseDown", 2} :> (b = 1), {"MouseUp",
> 2} :> (b = 0), {"MouseDragged", 2} :> (Beep[]), {"MouseDown",
> 3} :> (c = 1), {"MouseUp", 3} :> (c = 0), {"MouseDragged",
> 3} :> (Beep[])}], Initialization :> (a = 0; b = 0; c = 0;)]
>
> The arrayplot represents pushed buttons. The problem is that the right
> mouse button (2) signals a MouseUp immediately after a MouseDown, even
> if you keep it down. The middle button/wheel, supposed to be button 3,
> signals a MouseDown+MouseUp for button 1 when pushed down.
> On Windows (XP) I noticed that that buttons 1 and 2 work correctly but 3
> is completely ignored.
>
> Can you reproduce this? Is this a bug?
>
>
> HK
>