#robotics Logs

Dec 04 2018

02:21 AM deshipu: they throw experienced programmers as well
02:27 AM VansFannel: I want to learn ROS and I'm looking for a good course of book to follow with a lot of exercises. Can you recommend me one? Thanks.
02:29 AM deshipu: I think I have a deja vu
02:30 AM deshipu: VansFannel: have you tried asking on ROS-related channels/forums?
02:30 AM VansFannel: Yes!
03:18 AM rue_mohr: mrdata__, I have data fields, I need them to update
03:19 AM mrdata__: mhm?
03:19 AM rue_mohr: but I need them to all call a routine, identifying who they are when they do it
03:19 AM rue_mohr: so, I was looking for a widget callback I could trigger on them all at once
03:19 AM rue_mohr: I wa going to use the redraw
03:19 AM rue_mohr: but they dont have a hook for it
03:19 AM rue_mohr: so, I'm trying to work out what to do now
03:20 AM mrdata__: redraw in what environment?
03:20 AM rue_mohr: I can hook it to an obscure keyboard sequence
03:20 AM rue_mohr: I just need them to all trigger a callback
03:20 AM rue_mohr: that will set their value
03:20 AM rue_mohr: http://ruemohr.org/~ircjunk/images/cam_2dec2018.png
03:21 AM mrdata__: context: where is this running?
03:21 AM rue_mohr: see all the fields on the right
03:21 AM rue_mohr: the data for all those fields is stored in a struct
03:21 AM rue_mohr: I need to be able to load the struct into the fields
03:21 AM rue_mohr: but I dont have a 'handle' to them all
03:22 AM rue_mohr: but, they each have an identifier when their callbacks are set up
03:22 AM rue_mohr: so, the easiest thing is to have them all callback with their id, and have their value set
03:22 AM mrdata__: how much of the code do you own
03:22 AM mrdata__: or control
03:22 AM rue_mohr: its motif
03:22 AM mrdata__: never did much in motif
03:23 AM mrdata__: sorry
03:23 AM rue_mohr: I think I can append a mangment event to them, and tie it to a callback
03:23 AM rue_mohr: but I'm wondering if I should just tie it to a REALLY obscure keyboard stroke, and simulate it
03:24 AM rue_mohr: tho, the keyboard has a widget focus, so that might not work
03:24 AM rue_mohr: dunno
03:24 AM rue_mohr: this is more of a puzzle than when I first thought I had it solved
03:24 AM rue_mohr: worked till 1am, gnight
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