From: dmg@... (David Martinez)
Date: 2002-04-17T18:45:19+09:00
Subject: Re: Floating icons over FXCanvas area

"Lyle Johnson" <lyle@knology.net> wrote in message news:<ubpr6af5fai62@corp.supernews.com>...
> > I am trying to draw a floating icon over a FXCanvas area using the
> > SEL_MOTION, but I don't know how to manage the deletion of the
> > previously drawn icon.
> 
> Can't you just paint over the previous rectangle occupied by the icon (after
> setting the paint color to the canvas background color)? Something like:
> 
>     def onMotion(sender, sel, event)
>         theCanvas = sender
>         dc = FXDCWindow.new(theCanvas, event)
>         # Paint over the old one
>         dc.foreground = theCanvas.backColor
>         dc.fillRectangle(oldX, oldY, theIcon.width, theIcon.height)
>         # Draw icon in its new position
>         dc.drawIcon(theIcon, event.rect.x, event.rect.y)
>         oldX, oldY = event.rect.x, event.rect.y
>         dc.end
>     end
> 
> Hope this helps,
> 
> Lyle

The problem it is al little bit more dificult, because in my FXcanvas
there are drawn shapes I want to pass over. I wold like to move the
floating icon without redrawing the canvas, more or less like the
cursor on the whole screen.

Thanks.