Author Topic: Lua Q&A  (Read 40360 times)

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Offline Jim Bauwens

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Re: Lua Q&A
« Reply #15 on: July 01, 2011, 04:03:20 pm »
There is a D2Editor, but it really is buggy, so you can't use it.

You can make something like this:
Code: (Lua) [Select]

msg = ""

function on.paint(gc)
    gc:drawString(msg,10,10,"top")
end

function on.charIn(ch)
    msg = msg .. ch
    platform.window:invalidate()
end

Of course you will have to do some changes to make it usable, but it should show the basics.

Offline ExtendeD

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Re: Lua Q&A
« Reply #16 on: July 02, 2011, 04:30:15 am »
Try to use the class D2Editor.

[edit] sorry I missed jimbauwens's post.

jimbauwens, what's wrong with it? The scrolling?
« Last Edit: July 02, 2011, 04:31:54 am by ExtendeD »
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Offline Levak

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Re: Lua Q&A
« Reply #17 on: July 02, 2011, 10:35:14 am »
Try to use the class D2Editor.

[edit] sorry I missed jimbauwens's post.

jimbauwens, what's wrong with it? The scrolling?

Because we can't edit it on ClickPad ? (or even I'm stupid)
« Last Edit: July 02, 2011, 10:35:27 am by Levak »
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Offline pianoman

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Re: Lua Q&A
« Reply #18 on: July 02, 2011, 10:56:10 am »
Ok, thank you.

Offline ExtendeD

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Re: Lua Q&A
« Reply #19 on: July 02, 2011, 02:06:20 pm »
Levak: you mean you can't set the focus on it? A quick try with a single D2Editor on the screen gets the focus on nspire_emu.
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Offline Levak

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Re: Lua Q&A
« Reply #20 on: July 02, 2011, 03:30:20 pm »
Levak: you mean you can't set the focus on it? A quick try with a single D2Editor on the screen gets the focus on nspire_emu.
I can't. setFocus is a nil value :

Code: [Select]
function on.create()
editor = D2Editor.newRichText()
editor:move(50,50)
editor:resize(200,100)
end
 
function on.charIn(char)
currentText = editor:getText()
editor:setText(currentText .. char) --Add char to the editor
end
 
function on.enterKey()
on.charIn(string.char(10)) --Add a new line
end

function on.tabKey()
if focus then
focus = false
D2Editor.setFocus(false)
else
focus = true
D2Editor.setFocus(false)
end
end

But yes, if I type some keys, it enters the text, OK.

I have thus found another reason to not use the D2Editor : we can't delete it.
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Offline Jim Bauwens

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Re: Lua Q&A
« Reply #21 on: July 02, 2011, 03:54:43 pm »
The D2Editor also sucks events for some reason, and my programs start acting really weird after a while. I really would like to use it, but its so bugged that I can't. It just get to anoying after a time.

Offline pianoman

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Re: Lua Q&A
« Reply #22 on: July 09, 2011, 07:14:18 pm »
Is there a way to resize images in the program?

Offline Levak

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Re: Lua Q&A
« Reply #23 on: July 09, 2011, 07:20:22 pm »
I do not get mad at people, I just want them to learn the way I learnt.
My website - TI-Planet - iNspired-Lua

Offline pianoman

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Re: Lua Q&A
« Reply #24 on: July 09, 2011, 07:23:59 pm »
Thanks, Levak!

Offline cypressx1

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Re: Lua Q&A
« Reply #25 on: July 15, 2011, 09:16:46 am »
........... function on.paint(gc) .......Text=editor:getText()  gc:drawString(Text,0,0) end   May this work

Offline Jim Bauwens

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Re: Lua Q&A
« Reply #26 on: July 15, 2011, 01:26:39 pm »
cypressx1, You can put Lua code in [ code] tag's for better readability :)

Your code is correct, but you must make sure that you have an editor created (D2editor), and that you sometimes invalidate your screen. Also, you should add "top" to your drawString, because now it will be a bit ofscreen:
Code: (Lua) [Select]
gc:drawString(Text,0,0,"top")

Offline cypressx1

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Re: Lua Q&A
« Reply #27 on: July 18, 2011, 08:22:08 am »
Thanks!

Offline Munchor

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Re: Lua Q&A
« Reply #28 on: July 24, 2011, 05:08:06 pm »
Has anybody achieved +- smoothscrolling?

Offline fb39ca4

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Re: Lua Q&A
« Reply #29 on: July 24, 2011, 08:14:32 pm »
I know the Copter game had smooth scrolling but then again those graphics were simple.