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How to use WeirdX
====================================================================
Last modified: Wed Nov 15 16:20:17 UTC 2000
* SUPPORTED PLATFORMS
* REQUIREMENTS
* OPTIONAL
* USAGE
* USAGE AS AN APPLET
* WeirdX runs without Swing!
* XDMCP
* Copy/Paste
* Multibyte Characters
* Keyboard
* Hacks for the Alpha Transparency
* EsounD Support
* DXPC Support
* XJS Extension for WeirdX
* PROPERTIES
SUPPORTED PLATFORMS
===================
WeirdX is implemented with JDK 1.1.*.
So, WeirdX will be available on any platform, which support JDK 1.1.
Here, we list supported platforms, which we have confirmed already.
If you succeed to run WeirdX on other platform, please add it to
this list.
- Windows 95
- Windows 98
- Windows NT
- Windows 2000 Professional using JDK 1.3.0rc1 (feedback from Schult, John)
- OS/2, J2SE 1.3 (feeback from Dan Nimick)
- Sparc Solaris, Netscape4.72&Java2 Plug-in
(feedback from Chris Debenham)
- Intel Solaris 2.6.0
- Intel GNU/Linux, J2SE v.1.2.2
(feedback from David Golden)
- FreeBSD
(feedback from Brian Gilman)
- Alpha OSF1, J2SDK.v.1.2.1
(feedback from Keith Schincke)
- MacOS X Beta, Java HotSpot Client 1.3
(feedback from Ryan Calder)
- MacOS 9 with MRJ 2.1.4, MacOS 8.6 with MRJ 2.1.x
(feedback from Tarun Reddy, Eric Albert)
REQUIREMENTS:
=============
The following softwares are required to use WeirdX.
- JDK 1.1.*(in some case, Swing 1.1.*) or Java2
WeirdX runs without the Swing API and, in a optional mode,
it runs with the Swing API.
For the difference between them, please refer to the section
'WeirdX runs without Swing!'.
OPTIONAL:
=========
WeirdX is also usable as an Java applet;
WeirdX will run in a web browser, Internet Explorer, Netscape Navigator.
If you try WeirdX on Windows 95/98, we recommend to run WeirdX in a
web browser. If you run WeirdX as an application on DOS prompt,
it will run very slowly.
- web browser.
Internet Explorer or Netscape Navigator.
Don't use Java2 plug-in on Opera. Opera will crash.
USAGE:
======
java -jar weirdx.jar
If 'config/props' exists, property settings in that file will be
loaded. If you want to over write those propety settings, just edit
that file or give options to java command. For example,
java -Dweirdx.displaynum=3 -Dweirdx.jesd=yes -jar weirdx.jar
If everything goes well automagically, one window will be opened
on your desktop. This is an X Window System server.
In default setting, WeirdX will use display-name '<your hostname>:2.0' .
To run x clients on WeirdX, just specify '-display' option.
Suppose that WeirdX are running on some machine, named "foo",
and you have Un*x machine, named "bar". Try next command on machine "bar"
xlogo -display foo:2.0
Alternatively, if you have a JDK installed and you want some
configurability and use the confiruation options inside the
weirdx.html, you can run weirdx using the appletviewer:
appletviewer weirdx.html
Note: If you want to remote hosts to access the weirdx applet
running inside the appletviewer, you need to open the appletviewer
menu and relax the network access options for the applet to
remote access.
USAGE AS AN APPLET:
==================
Copy "misc/weirdx.jar" and "misc/weirdx.html" to some directory,
which is accessible through a http server, then open weirdx.html with
a web browser via a http server. If everything goes well,
WeirdX will start in your web browser.
In default setting, WeirdX use display-name
'<your hostname>:2.0' .
If you have Java Plug-in, try 'weirdx-JRE12.html'.
In some situations, JVM may throw the Security Exception.
WeirdX must gain access to TCP port(6002) and JVM may reject to do so.
WeirdX runs without Swing!:
==========================
Since 1.0.16, WeirdX runs without the Swing API.
# This improvement has been done by Marcus Schiesser.
This new version has advantages over previous versions,
which had used Swing API, in that, needless to say,
it can run on web browser without Java Plug-in
and it is free from the snail Swing's painting system.
The disadvantage is that you will observe unnecessary re-paintings on the
Swing free version. In other words, WeirdX had used the Swing API to
prevent those re-paintings. If you want to use Swing version, set a
property 'weirdx.ddxwindow' as 'com.jcraft.weirdx.DDXWindowImpSwing' .
XDMCP:
======
WeirdX supports XDMCP. If you want to use this functionality,
specify properties, 'weirdx.xdmcp.mode' and 'weirdx.xdmcp.address'
appropriately. In current implementation, 'indirect query' has not
been supported.
And this functionality can be used as a stand alone program,
so it will be useful for X Window System users, whose X server
does not support XDMCP. Try,
java com.jcraft.weirdx.XDMCP -query somewhere -display display-name
or
java com.jcraft.weirdx.XDMCP -broadcast somewhere -display display-name
If everything goes well, xdm will open a login-window on your
X server. After you get a login-window, please kill the above java process
as soon as possible.
Caution: At present, any authorization mechanism has not been implemented.
So please use this functionality with your own risk.
Copy/Paste:
==========
Copy/paste operations between the native window system
and WeirdX(CUT_BUFFER0) has been supported.
For example, you can copy/paste strings on 'xterm',
which runs on WeirdX, to 'notepad' on Windows98.
At present, 'selection' has not been supported. So you can't copy strings
on TextField widgets of GTK,Motif to apps on Windows98.
However, 'xcutsel' will help you.
Multibyte Characters:
====================
WeirdX supports to display multibyte characters on the internationalized JRE.
If you need to display Japanese, Korean and Chinese characters on Weirdx, try
weirdx.display.charset=JISX,KSC5601,GB2312
At present, WeirdX supports Japanese, Korean and Chinese characters,
but only Japanese characters have been confirmed to be
handled correctly.
If you succeeded or failed to display others, please write us.
Keyboard:
========
In default settings, WeirdX supposes that key events are from
US layout keyboard. If your keyboard is other layout one,
you can change internal keymap definitions by setting
a property 'weirdx.display.keymap'.
If your keyboard is for U.K., try
weirdx.display.keymap=gb
At present, WeirdX supports gb(U.K. layout keyboard), de.
If you are using other keyborad, for example, jp106. Please try
'misc/keymap/genkeymap.pl'. It is a perl script and generates
java files for supporting your keyboard.
Please refer to 'misc/keymap/HOWTO'for its usage.
Hacks for the Alpha Transparency:
=================================
Two hacks for the alpha transparency have been added.
* First hack renders backgrounds of every windows,
which have pixel background value, with alpha compositions.
For example, if you set a property 'weirdx.ddxwindow' as
'com.jcraft.weirdx.DDXWindowImpSwingAlphaBackground',
a property 'weirdx.display.background.alpha' as '0xff0000:0x20'
and run 'xterm -bg red',
the background of xterm will be rendered as '0x20ff0000'.
* Second hack renders contents of windows with alpha compositions.
This hack is based on Java2D, so J2SE 1.2.* or higher are required.
To enable this hack, set a property
'weirdx.ddxwindow' as
'com.jcraft.weirdx.DDXWindowImpSwingAlphaBackground2D' .
Please note those hacks are just for the fun, not for the practical use
and they will be useful for surprising your friends.
EsounD Support:
===============
You can run EsounD compatible applications on WeirdX with JEsd.
JEsd is a re-implementation of EsounD in pure Java and
has been developed by JCraft. Please note that your JVM must be
J2SE v1.3 or higher to use this functionality. To enable this
functionality, try following steps,
1. Download a jesd archive from http://www.jcraft.com/jesd/ ,
extract class files from it and then
make these class files to be accessible through the CLASSPATH by WeirdX.
2. Specify property 'weirdx.jesd' as 'yes'.
3. Run WeirdX.
4. On the remote host, try next command,
$ esdcat -s 'hostname where WeirdX is running' 'filename of WAV file'
Try other EsounD compatible apps, mpg123, gqmpeg and xmms.
DXPC Support:
=============
The dxpc(Differential X Protocol Compressor) is an X protocol compressor
designed to improve the speed of X applications run over low-bandwidth links
(such as dialup PPP connections).
WeirdX can accept connections via dxpc from X clients with the assistance
of JDxpc. JDxpc is a re-implementation of dxpc in pure Java and it has been
developed by JCraft under LGPL. It is available at http://www.jcraft.com/weirdx/ . To enable this functionality, try following steps,
1. Download a JDxpc archive from http://www.jcraft.com/jdxpc/ ,
extract class files from it and then make these class files to
be accessible through the CLASSPATH by WeirdX.
2. Specify property 'weirdx.jdxpc' as 'yes'.
3. Run WeirdX.
4. On the remote host, try next command,
$ dxpc -w 'hostname where WeirdX is running'
$ export DISPLAY=localhost:8.0
$ xlogo
Please note that dxpc must be version 3.7.0 and it is downloadable from
http://www.vigor.nu/dxpc/dxpc-3.7.0.html . Of course, you can use JDxpc
instead of using dxpc on remote host.
If you need to change the communication port number(by default, 4000) between
dxpc client and server proxies, specify the appropriate number to the property
'weirdx.jdxpcport'. (To use this property, JDxpc 0.0.6 or higher is required).
XJS Extension for WeirdX
========================
Now, XJS Extension for WeirdX has been included.
It is contributed by Christian Werner<Christian.Werner@t-online.de>
and enable you to use the JavaScriptTM engine from X clients.
For further descriptions, please check 'misc/xjs/README'.
PROPERTIES:
==========
WeirdX has some properties as below,
* weirdx.display.width: numeral
Width of root window. If you don't specify
this property, the property "WIDTH" will be used.
* weirdx.display.height: numeral
Height of root window. If you don't specify this property,
the property "HEIGHT" will be used.
* weirdx.displaynum: numeral
default: 2
If you specify "3", display-name, "hostname:3.0" will be used.
* weirdx.ddxwindow: class name
default: com.jcraft.weirdx.DDXWindowImp
Give a class name, which implements com.jcraft.weirdx.DDXWindow interface.
If you have the Swing, specify 'com.jcraft.weirdx.DDXWindowImpSwing' .
At present, 'com.jcraft.weirdx.DDXWindowImp',
'com.jcraft.weirdx.DDXWindowImpSwing',
'com.jcraft.weirdx.DDXWindowImpSwingAlphaBackground' and
'com.jcraft.weirdx.DDXWindowImpSwingAlphaBackground2D' are acceptable.
* weirdx.windowmode: InBrowser | Rootless | RootlessWM
default: InBrowser
If you specify 'Rootless' or 'RootlessWM', each toplevel window,
whose parent is root window, will have its own window frame.
In the 'RootlessWM' mode, you don't have to run X window manager and
title bars will be attached to X apps by the native window system.
* weirdx.display.visual: TrueColor16 | PseudoColor8 | StaticGray8
default: PseudoColor8
If 'PseudoColor8' is specified, 256 colors are used.
On the other hand, in specifying 'StaticGray8', 256 gray scaled
colors will be used.
* weirdx.display.acl: [+hostname[,+hostname[,...]]]
default: -
WeirdX only supports ACL based on hostnames.
* weirdx.display.threebutton: yes | no
default: no
Three button mouse emulation is enabled.
* weirdx.display.charset: [charset[,charset[,...]]]
Specified charsets will be handled.
For Japanese characters, specify 'JISX'. For Korean characters,
specify 'KSC5601', and for Chinese characters, specify 'GB2312'.
* weirdx.display.keymap: a name of keymap.
default: 101
Specified keymap definitions is used.
At present, '101', 'gb' and 'de' are acceptable.
* weirdx.xdmcp.mode: query | broadcast | no
default: no
If you require the XDMCP service, specify 'query' or 'broadcast'.
* weirdx.xdmcp.address: ip-address
Specify a query address or a broadcast address.
* weirdx.xrexec: yes | no
default: no
If you require the rexec service, specify 'yes'.
* weirdx.extension: names of extensions.
default: DummySHAPE
In current implementation, dummy of SHAPE extension is
included. If you hate such a hack, leave this property in blank.
* weirdx.display.background.alpha: pixel value:alpha value[,pixel:alpha[,...]]
default: blank
Specify pairs of a background pixel value and an alpha channel value.
If you specify '0xff0000:0x20, 0x00ff00:0x80',
The background color 'red' will be '0x20ff0000'
and the background color 'green' will be '0x8000ff00'.
* weirdx.jesd: yes | no
default: no
If you need to run EsounD compatible applications, specify 'yes'.
For using this functionality, your JVM must be J2SE v1.3 or higher.
* weirdx.jdxpc: yes | no
default: no
If you need to use dxpc, specify 'yes'.
* weirdx.jdxpcport: numeral
default: 4000
a number of TCP port for communication between dxpc server and client
proxies.
* weirdx.jdxpc.socket: class-name
default: null
* weirdx.jdxpc.serverproxy: class-name
default: com.jcraft.jdxpc.ServerProxy
* weirdx.displaysocket: class name
default com.jcraft.weirdx.DisplaySocket6k
* weirdx.display.autosize: boolean
default: false
The size of root window will be assigned according to the size of desktop.
This functionality will be useful in Rootless/RootlessWM mode.
In running as an application, "config/props" will be referred.