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Author Topic: Lua Key Check (TI-Nspire)  (Read 2066 times)

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Offline SiphonicSugar

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Lua Key Check (TI-Nspire)
« on: December 01, 2015, 05:08:59 am »
So, what would be some example of code that would check if I have pressed the tab button, and if I press tab, add 1 to x?


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Re: Lua Key Check (TI-Nspire)
« Reply #1 on: December 01, 2015, 05:19:55 am »
Lua key presses work with callbacks. The on.tabKey function is called whenever the tab key is pressed, and on.arrowKey when an arrow key is pressed, etc...
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Re: Lua Key Check (TI-Nspire)
« Reply #2 on: December 01, 2015, 05:38:17 am »
Isn't there a key map somewhere for Lua with the valid key names in code form? (eg tabKey) We have that for Axe and BASIC, although with numbers.
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Re: Lua Key Check (TI-Nspire)
« Reply #3 on: December 01, 2015, 05:39:37 am »
Well, see the Nspire-Lua API PDF from TI or https://wiki.inspired-lua.org/Category:Events
on.charIn is probably what you want for non-arrow and non-special keys.
« Last Edit: December 01, 2015, 05:41:47 am by Adriweb »
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Re: Lua Key Check (TI-Nspire)
« Reply #4 on: December 01, 2015, 05:41:09 am »
Oh I meant a graphical key map, like this, not a list:



But thanks anyway. I'll also check the PDF later to see if it has a graphical key map.
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Re: Lua Key Check (TI-Nspire)
« Reply #5 on: December 01, 2015, 11:58:20 am »
Oh. Unfortunately as far as I know there is no keymap because they don't have a universal getkey command. There are just interrupts called that ld studios linked.

Also here is an example of a code that increments x when you press the tab button:
Code: [Select]
function on.tabKey()
   x=x+1
end
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Re: Lua Key Check (TI-Nspire)
« Reply #6 on: December 01, 2015, 09:18:13 pm »
Thanks for the help, I will probably use this topic to ask more Lua questions later.
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Re: Lua Key Check (TI-Nspire)
« Reply #7 on: December 02, 2015, 06:42:35 am »
Oh. Unfortunately as far as I know there is no keymap because they don't have a universal getkey command. There are just interrupts called that ld studios linked.

Also here is an example of a code that increments x when you press the tab button:
Code: [Select]
function on.tabKey()
   x=x+1
end
I see. Interesting. That's definitively something I would need to get used to if I learned Lua I guess, but again I don't plan to do TI-Nspire dev. Good luck SiphonicSugar!
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