Thanks for the information. Is there any link which shows an example of how to use this APIs for example, if I want to create a rounded-rect window. I see we can only combine 2 regions [by XShapeCombineRegion] which is again a rectangle as the Region structure says typedef struct _XRegion { long size; long numRects; Box *rects; where Box is {x1, x2, y1, y2}; Box extents; //not sure what this is for } <div class="gmail_quote"> On Mon, Jan 24, 2011 at 1:36 PM, Alan Coopersmith <<a href="mailto:alan.coopersmith@oracle.com">alan.coopersmith@oracle.com</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div class="im">On 01/23/11 11:13 PM, Prasanta Sadhukhan wrote: > Hi > > I was wondering if X11 has any way of supporting/creating a non-rectangular window? </div><a href="http://www.x.org/releases/X11R7.6/doc/libXext/shapelib.html" target="_blank">http://www.x.org/releases/X11R7.6/doc/libXext/shapelib.html</a> or <a href="http://www.x.org/releases/X11R7.6/doc/libXext/shapelib.pdf" target="_blank">http://www.x.org/releases/X11R7.6/doc/libXext/shapelib.pdf</a> if you prefer PDF. -- -Alan Coopersmith- <a href="mailto:alan.coopersmith@oracle.com">alan.coopersmith@oracle.com</a> Oracle Solaris Platform Engineering: X Window System </blockquote></div>