Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!caen!sol.ctr.columbia.edu!emory!gatech!usenet.ins.cwru.edu!ncoast!allbery
From: allbery@NCoast.ORG (Brandon S. Allbery KB8JRR)
Newsgroups: comp.unix.programmer
Subject: Re: Life Under Curses
Message-ID: <1991Feb26.041922.8177@NCoast.ORG>
Date: 26 Feb 91 04:19:22 GMT
References: <18812@brahms.udel.edu> <464@bria> <1991Feb18.215907.18174@jwt.UUCP>
Reply-To: allbery@ncoast.ORG (Brandon S. Allbery KB8JRR)
Followup-To: comp.unix.programmer
Organization: North Coast Public Access Un*x (ncoast)
Lines: 23

As quoted from <1991Feb18.215907.18174@jwt.UUCP> by john@jwt.UUCP (John Temples):
+---------------
| In article <464@bria> uunet!bria!mike writes:
| >Use touchwin(win) and then wrefresh(win); if for some reason your
| >curses library doesn't have 'em, then you can do something like this:
| 
| touchwin() didn't seem to do anything at all on my SVR3.2 system when I was
| trying to figure out how to do a complete screen redraw.  I ended up doing
| { endwin(); doupdate(); }  That got all windows redrawn.
+---------------

All touchwin does is disable some optimization, so wnoutrefresh() has to do
more work to figure out what actually changed.  It doesn't actually force
curses to believe that things *did* change.  This is needed because some
things (subwindows?) can cause things to change without telling the right
parts of curses, so wnoutrefresh() doesn't notice.

++Brandon
-- 
Me: Brandon S. Allbery			    VHF/UHF: KB8JRR on 220, 2m, 440
Internet: allbery@NCoast.ORG		    Packet: KB8JRR @ WA8BXN
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