Re: [wxlua-users] wxGrid scroll event

[Milind G. <mil...@gm...>]

Thanks
   Yes AddPendingEvent scheme worked. I am getting the scroll bar position
from the window

Regards,
Milind


On Thu, Aug 30, 2012 at 8:46 PM, John Labenski <jla...@gm...> wrote:

> On Wed, Aug 29, 2012 at 2:48 PM, Milind Gupta <mil...@gm...>
> wrote:
> > Hi,
> >         I have 2 wxGrid windows side by side and I want to synchronize
> the
> > scroll on the 2 windows. The scroll event works fine but when I read the
> > scroll position of the window and set the scroll on the other window it
> does
> > not sync up. There is a lag. It seems that the actual scroll happens
> after
> > my event handler is processed so my other window always gets to the
> position
> > where the 1st one was before.
>
> Where are you getting the scroll position from? The event or the
> window itself? You should compare the two.
>
> > Is there a way to let the scroll happen and then read the scroll
> position?
> > The wxWidgets forum said that there is a hidden function called
> > HandleOnScroll, which I tried but it does not work in wxLua. Is there any
> > other way?
>
> If you want to process something after an event comes, create a new
> event with whatever event type you want and a unique id you can use to
> discriminate it and add it as a pending event to be sent after the
> current event is handled.
>
> local updateEvent = wx.wxCommandEvent(wx.wxEVT_COMMAND_BUTTON_CLICKED,
> ID_REFRESH_GRID_SCROLL);
> mywindow:GetEventHandler():AddPendingEvent(updateEvent);
>
> then when you get this event in your handler for it, sync the scrollbars.
>
> Regards,
>     John
>
>
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