Re: Defining HAVE_MOUSE on Cygwin

[Ken Brown]

On 10/7/2012 2:46 AM, Eli Zaretskii wrote:
> > Date: Sat, 06 Oct 2012 21:56:01 -0400
> > From: Ken Brown <address@hidden>
> >
> > A Cygwin user has requested that emacs have mouse support on Cygwin even
> > if it is built --with-x=no.  Does anyone see a problem with this?  If
> > not, what's the best way to do it?  Here's one possibility:
> >
> > === modified file 'configure.ac'
> > --- configure.ac        2012-10-06 00:44:36 +0000
> > +++ configure.ac        2012-10-07 01:53:21 +0000
> > @@ -4358,6 +4358,11 @@
> >
> >    AC_SUBST(WINDOW_SYSTEM_OBJ)
> >
> > +## Always build with mouse support on Cygwin
> > +if test "$opsys" = "cygwin" && test "$window_system" = "none"; then
> > +  AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
> > +fi
> > +
> >    AH_TOP([/* GNU Emacs site configuration template file.
> >
> >    Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
>
> How will this work?  HAVE_MOUSE on a console requires mouse-support
> infrastructure.  AFAIK, we only have one such infrastructure: GPM.  Is
> that available on Cygwin?  If not, how will the mouse gestures be made
> known to Emacs in this build?

No, GPM is not available on Cygwin.  But one can still get rudimentary 
mouse support in Emacs by turning on xterm-mouse-mode, provided the 
terminal is xterm compatible.  And the standard Cygwin terminal is xterm 
compatible, i.e., it sends the standard xterm mouse escape sequences.

Ken