On Tuesday 06 March 2007 3:25 pm, Fargo Holiday wrote:
> >> I'm also fascinated by this issue. I'm glad Fargo finds what's
> >> happening!
>
> Figured I'd reply to this one. So far I haven't been able to replicate
> the issue. The test application, so far, runs just fine on my FC6 box,
> kernel 2.6.18-1.2200, gtk2 2.8.20-1, and my XP machine (aside from
> horrifying flicker). I might still be running Ubuntu on one of the
> machines here, if so I'll try it there. I'll also try it on the other
> FC6 box.
>
> Thanks,
> Fargo
Hi Fargo,
Something Interesting. You mentioned the flicker in the test app so I put in
code to minimize it and the sluggishness disappeared too. Then I decided to
count how many times the drag event fired. I now have this in the drag event:
If InitX<>X or InitY<>Y then
me.Refresh
pg.DrawRect X-20, Y-20, 40, 40
End If
InitX=X // these 3 are properties of the window
InitY=Y
Count=Count+1
Running this code, it does not flicker so bad (this is just the test) and it
is not sluggish. If I drag quickly from upper left to lower right, I see
numbers like 6500 to 9500 in the count variable after the drag.
If I remove the if statement, and quickly drag, I can watch the square slowly
move behind the cursor, taking about 3 full seconds. The count shows numbers
like 750 to 900. i.e. Much LESS. I had expected it to be many times higher.
So it is sluggish when it refreshes fewer times.
Could my check to see if it has moved somehow interrupt some built in checking
that thte system mdoes that is not working properly?
Don
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