| Tree diagrams for widget diagnostic tool [message #4623] |
Fri, 30 June 1995 00:00 |
cool
Messages: 1
Registered: June 1995
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Junior Member |
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Hi. I'm wondering if anyone has written an IDL routine to draw tree diagrams,
e.g.
a
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________________
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b c d
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_____
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e f
except with neat boxes around each member...
Reason being that I've written a widget diagnostic tool that breaks down the
current widget list held by XMANAGER into a parent/child/siblings etc tree.
From here, I pull out all the event handlers, and assign a toggle button to
each event handler such that I can intercept and interrogate any/all events
in any currently active widgets, and capture for display values/uvalues etc,
before passing the event onto its intended destination.
Having done all the recursive work to generate the widget family tree, I've
developed a crude tree diagram in a window, but I can either get the boxes
laid out nicely with joining lines that sometimes cross, or joining lines
that don't cross, but the boxes are a tad jumbled. I've also had the
matching box on the tree diagram "lite up" when a button is pressed.
It'd be nice to find an IDL procedure that would take as input some tree
structure, or perhaps a Fortran routine that would return relative
XY coordinates of each member of the family. Even a reference to a good
text book on this complex subject would be handy.
Hope someone can help!
------------------------------------------------------------ --------------------
Andrew Cool | andrew.cool@dsto.defence.gov.au
Information Technology Officer |
High Frequency Radar Division | phone: +61 8 259 5199
Defence Science and Technology Organization | fax: +61 8 259 6673
PO Box 1500 Salisbury, South Australia 5108 |
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