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File Content: `demohelp.txt`


  ----------------------------------------------

      xturtleDemo - Help

  ----------------------------------------------

  This document has two sections:

  (1) How to use the demo viewer
  (2) How to add your own demos to the demo repository


  (1) How to use the demo viewer.

  Select a demoscript from the example menu.
  The (syntax coloured) source code appears in the left
  source code window. IT CANNOT BE EDITED, but ONLY VIEWED!

  - Press START button to start the demo.
  - Stop execution by pressing the STOP button.
  - Clear screen by pressing the CLEAR button.
  - Restart by pressing the START button again.

  SPECIAL demos are those which run EVENTDRIVEN.
  (For example clock.py - or oldTurtleDemo.py which
  in the end expects a mouse click.):

      Press START button to start the demo.

      - Until the EVENTLOOP is entered everything works
      as in an ordinary demo script.

      - When the EVENTLOOP is entered, you control the
      application by using the mouse and/or keys (or it's
      controlled by some timer events)
      To stop it you can and must press the STOP button.

      While the EVENTLOOP is running, the examples menu is disabled.

      - Only after having pressed the STOP button, you may
      restart it or choose another example script.

   * * * * * * * *
   In some rare situations there may occur interferences/conflicts
   between events concerning the demo script and those concerning the
   demo-viewer. (They run in the same process.) Strange behaviour may be
   the consequence and in the worst case you must close and restart the
   viewer.
   * * * * * * * *


   (2) How to add your own demos to the demo repository

   - scriptname: must begin with tdemo_ ,
     so it must have the form tdemo_<your-script-name>.py

   - place: same directory as xturtleDemo.py or some
     subdirectory, the name of which must also begin with
     tdemo_.....

   - requirements on source code:
       code must contain a main() function which will
       be executed by the viewer (see provided example scripts)
       main() may return a string which will be displayed
       in the Label below the source code window (when execution
       has finished.) 

       !! For programs, which are EVENT DRIVEN, main must return
       !! the string "EVENTLOOP". This informs the viewer, that the
       !! script is still running and must be stopped by the user!

Name	Size	Permission
about_turtle.txt	3525 bytes	0644
about_turtledemo.txt	302 bytes	0644
demohelp.txt	2438 bytes	0644
tdemo_I_dontlike_tiltdemo.py	1073 bytes	0644
tdemo_I_dontlike_tiltdemo.pyc	1659 bytes	0644
tdemo_I_dontlike_tiltdemo.pyo	1659 bytes	0644
tdemo_bytedesign.py	4219 bytes	0644
tdemo_bytedesign.pyc	5313 bytes	0644
tdemo_bytedesign.pyo	5313 bytes	0644
tdemo_chaos.py	953 bytes	0644
tdemo_chaos.pyc	2297 bytes	0644
tdemo_chaos.pyo	2297 bytes	0644
tdemo_clock.py	3018 bytes	0644
tdemo_clock.pyc	4490 bytes	0644
tdemo_clock.pyo	4490 bytes	0644
tdemo_colormixer.py	1338 bytes	0644
tdemo_colormixer.pyc	2365 bytes	0644
tdemo_colormixer.pyo	2365 bytes	0644
tdemo_fractalcurves.py	3410 bytes	0644
tdemo_fractalcurves.pyc	3524 bytes	0644
tdemo_fractalcurves.pyo	3524 bytes	0644
tdemo_lindenmayer_indian.py	2433 bytes	0644
tdemo_lindenmayer_indian.pyc	3602 bytes	0644
tdemo_lindenmayer_indian.pyo	3602 bytes	0644
tdemo_minimal_hanoi.py	1961 bytes	0644
tdemo_minimal_hanoi.pyc	3589 bytes	0644
tdemo_minimal_hanoi.pyo	3589 bytes	0644
tdemo_nim.py	6588 bytes	0644
tdemo_nim.pyc	9383 bytes	0644
tdemo_nim.pyo	9383 bytes	0644
tdemo_paint.py	1126 bytes	0644
tdemo_paint.pyc	1737 bytes	0644
tdemo_paint.pyo	1737 bytes	0644
tdemo_peace.py	1117 bytes	0644
tdemo_peace.pyc	1443 bytes	0644
tdemo_peace.pyo	1443 bytes	0644
tdemo_penrose.py	3536 bytes	0644
tdemo_penrose.pyc	6005 bytes	0644
tdemo_penrose.pyo	6005 bytes	0644
tdemo_planet_and_moon.py	2840 bytes	0644
tdemo_planet_and_moon.pyc	4548 bytes	0644
tdemo_planet_and_moon.pyo	4548 bytes	0644
tdemo_tree.py	1411 bytes	0644
tdemo_tree.pyc	2123 bytes	0644
tdemo_tree.pyo	2123 bytes	0644
tdemo_wikipedia.py	1347 bytes	0644
tdemo_wikipedia.pyc	1955 bytes	0644
tdemo_wikipedia.pyo	1955 bytes	0644
tdemo_yinyang.py	808 bytes	0644
tdemo_yinyang.pyc	1320 bytes	0644
tdemo_yinyang.pyo	1320 bytes	0644
turtle.cfg	160 bytes	0644
turtleDemo.py	10183 bytes	0644
turtleDemo.pyc	10212 bytes	0644
turtleDemo.pyo	10212 bytes	0644
turtledemo_two_canvases.py	885 bytes	0644
turtledemo_two_canvases.pyc	1252 bytes	0644
turtledemo_two_canvases.pyo	1252 bytes	0644

Name

Size

Permission

Action

about_turtle.txt

3525 bytes

0644