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README for the nano-X VNC viewer
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What is VNC ?
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-------------
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VNC is Virtual Network Computing, you have a 'viewer' running on one
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machine which allows you to control the desktop of a different
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machine via the VNC 'server'. The design allows the viewer and server
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to run on different hardware and different operating systems yet
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still work together. What this means in practice is that you can have
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a Windoze desktop in a window on your X display or vice-versa.
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The viewer has also been designed to be small and portable so it
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seemed like a good candidate for a nano-X application.
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More info, source and binaries can be found at:
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http://www.uk.research.att.com/vnc/
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Status of the nano-X port
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-------------------------
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The nano-X port is based on the VNC viewer for X, version 3.3.2.
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This is the 2nd work-in-progress release, the main differences
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from the previous release are:
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+ Now uses GrSetSystemPalette() to handle 8-bit palette displays.
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+ Builds for Microwindows 0.88pre8.
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The features / limitations of this release are:
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+ Compiled with Microwindows version 0.88pre8
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+ Viewer tested on uClinux running on an Isicad Prisma 700
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workstation with the serial mouse driver, the tty keyboard driver
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and my own screen driver. The Prisma has a 1280 x 1024, 256 colour
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display but it is not accessible as a frame buffer so needs a
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custom microwindows screen driver.
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+ Also tested with the X11 screen driver on Slackware Linux.
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+ Tested with VNC servers running on NetBSD-Amiga and Slackware
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Linux.
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+ Only tested with an 8-bit palette display.
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+ Keyboard handling is working but only for simple ASCII text, no
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shift-clicking.
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+ Mouse seems to work OK.
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+ No way to scroll the screen if the viewer window is smaller than
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the server's screen.
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+ Runs very slowly on the Prisma, most likely due to the Prisma's
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weird graphics interface.
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Installation
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------------
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The tarball is intended to be unpacked in the src/demos subdirectory
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of the Microwindows distribution. The makefiles have been adapted
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from those used by the rest of the demo programs so it should build
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from the top level 'make'. The resulting binary will appear as
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src/bin/vnc. You will need a network connection to a VNC server
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to do anything with it :-)
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George Harvey
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fr30@dial.pipex.com
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13th June 2000
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