Re: Copying X pixmap.

[Brett Granger <bdgranger alum mit edu>]

Shannon Rause wrote:
> First, sorry if this gets posted twice *
>
> Can someone point me in the proper direction on how to do this...
>
> I have an X pixmap (Pixmap) and I would like to copy its contents onto a
> GdkWindow.  I have tried to use XCopyArea() to do this but it appears that
> the background is redrawn over the copied pixmap.  I set it up so the
> XCopyArea() occurs in the windows expose event. You can actually see the
> pixmap contents as it blinks when you resize the window but it is
> immediately replaced by the standard gray background color.  Can someone
> tell me what I may be doing wrong?
>
> Thanks.

Are you trying to make the pixmap the background of the window, or just 
a pixmap widget that can be displayed anywhere in the window?  I'm 
assuming it has to be an X Pixmap and you can't use 
gtk_pixmap_new_from_file or some related call?  You can wrap the X 
pixmap in a gdk pixmap by using gdk_pixmap_foreign_new().  You can set 
the window background to it with gdk_window_set_back_pixmap().  You may 
also need to call gtk_widget_set_app_paintable() to stop the default 
background from being drawn over top of the pixmap.

Good luck!
--Brett