Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker!bloom-beacon!LARRY.MCRCIM.MCGILL.EDU!mouse
From: mouse@LARRY.MCRCIM.MCGILL.EDU
Newsgroups: comp.windows.x
Subject: Re:  transparent buttons over pixmaps
Message-ID: <9007261510.AA11944@Larry.McRCIM.McGill.EDU>
Date: 26 Jul 90 15:10:52 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 17

> I need to place pushbuttons at several locations over a pixmap, in
> this case a satellite photo.  The pushbutton must be transparent,
> i.e., let the satellite photo show through except for the button's
> border.

> [What I've done so far] works, sort of, but I'm trolling for other
> approaches.

Well, how about this?  Draw the button picture by creating an
InputOutput window and setting its shape to just the shape you want.
Then create an InputOnly window covering the whole button and use that
to detect mouse clicks on the button.

					der Mouse

			old: mcgill-vision!mouse
			new: mouse@larry.mcrcim.mcgill.edu