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- Newsgroups: comp.windows.x
- Path: sparky!uunet!snorkelwacker.mit.edu!bloom-beacon!INTERNET!dont-send-mail-to-path-lines
- From: converse@expo.lcs.mit.EDU (Donna Converse)
- Subject: Re: Touchscreens and Multple Pointer Devices
- Message-ID: <9207241635.AA15433@excess.lcs.mit.edu>
- Sender: daemon@athena.mit.edu (Mr Background)
- Organization: X Consortium, MIT Laboratory for Computer Science
- References: <5720@taurus.cs.nps.navy.mil>
- Date: Fri, 24 Jul 1992 16:35:39 GMT
- Lines: 34
-
-
- > Ideally, I'd like to be able to have the pointing device configurable
- > between the touchscreen and a trackball (mice don't work on a rolling ship).
- > The pilot, who is normally preoccupied, needs to be able to "hit" a control
- > quickly, hence the touchscreen. However, he may want to ask the co-pilot to
- > do some more detailed input which requires either a trackball or keyboard.
- > I'd like to keep all 4 stations identical in hardware, using software for
- > configuration.
- >
- > The touchscreen vendor I've located stated that X11R4 uses only a single
- > pointing device, but that X11R5 can have multiple ones. How does this work?
-
- Read the "X11 Input Extension Library Specification", available by
- anonymous ftp at the machine and directory
- export.lcs.mit.edu:pub/R5untarred/mit/doc/extensions/xinput/
-
- > Are there multiple mouseforms on the screen?
-
- No
-
- > Are they both generating
- > events?
-
- Yes
-
- > In Motif (1.2, I assume), can events from either device trigger
- > callbacks (arm, activate, etc)?
-
- No (unless the software is customized), input devices which trigger callbacks
- must be core devices; they cannot be extension devices.
-
-
- Donna Converse
- converse@expo.lcs.mit.edu
-